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authorRalf Baechle <ralf@linux-mips.org>2013-05-09 11:57:30 -0400
committerRalf Baechle <ralf@linux-mips.org>2013-05-09 11:57:30 -0400
commitb22d1b6a91ca4260f869e349179ae53f18c664db (patch)
tree6ac6c2bd202100727638f02ae5037ec78144e8d5 /arch
parent5e0e61dd2c89c673f89fb57dcd3cc746dc0c1706 (diff)
parent0ab2b7d08ea7226dc72ff0f8c05f470566facf7c (diff)
Merge branch 'mti-next' of git://git.linux-mips.org/pub/scm/sjhill/linux-sjhill into mips-for-linux-next
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/Kconfig24
-rw-r--r--arch/mips/Makefile1
-rw-r--r--arch/mips/ar7/memory.c1
-rw-r--r--arch/mips/configs/malta_defconfig69
-rw-r--r--arch/mips/configs/maltaaprp_defconfig195
-rw-r--r--arch/mips/configs/maltasmtc_defconfig196
-rw-r--r--arch/mips/configs/maltasmvp_defconfig199
-rw-r--r--arch/mips/configs/maltaup_defconfig194
-rw-r--r--arch/mips/configs/sead3_defconfig3
-rw-r--r--arch/mips/configs/sead3micro_defconfig122
-rw-r--r--arch/mips/fw/lib/Makefile2
-rw-r--r--arch/mips/fw/lib/cmdline.c101
-rw-r--r--arch/mips/include/asm/asm.h2
-rw-r--r--arch/mips/include/asm/branch.h40
-rw-r--r--arch/mips/include/asm/dma-coherence.h15
-rw-r--r--arch/mips/include/asm/dma-mapping.h1
-rw-r--r--arch/mips/include/asm/fpu_emulator.h6
-rw-r--r--arch/mips/include/asm/fw/fw.h47
-rw-r--r--arch/mips/include/asm/gic.h16
-rw-r--r--arch/mips/include/asm/inst.h12
-rw-r--r--arch/mips/include/asm/kvm_host.h2
-rw-r--r--arch/mips/include/asm/mach-generic/dma-coherence.h5
-rw-r--r--arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h4
-rw-r--r--arch/mips/include/asm/mips-boards/generic.h3
-rw-r--r--arch/mips/include/asm/mips-boards/prom.h47
-rw-r--r--arch/mips/include/asm/mipsregs.h19
-rw-r--r--arch/mips/include/asm/mmu_context.h95
-rw-r--r--arch/mips/include/asm/stackframe.h12
-rw-r--r--arch/mips/include/asm/time.h8
-rw-r--r--arch/mips/include/asm/uaccess.h14
-rw-r--r--arch/mips/include/asm/uasm.h84
-rw-r--r--arch/mips/include/uapi/asm/inst.h564
-rw-r--r--arch/mips/kernel/Makefile3
-rw-r--r--arch/mips/kernel/branch.c178
-rw-r--r--arch/mips/kernel/cevt-gic.c104
-rw-r--r--arch/mips/kernel/cevt-r4k.c9
-rw-r--r--arch/mips/kernel/cpu-probe.c3
-rw-r--r--arch/mips/kernel/csrc-gic.c13
-rw-r--r--arch/mips/kernel/genex.S75
-rw-r--r--arch/mips/kernel/irq-gic.c47
-rw-r--r--arch/mips/kernel/proc.c4
-rw-r--r--arch/mips/kernel/process.c101
-rw-r--r--arch/mips/kernel/scall32-o32.S9
-rw-r--r--arch/mips/kernel/signal.c9
-rw-r--r--arch/mips/kernel/smp-mt.c3
-rw-r--r--arch/mips/kernel/smtc-asm.S3
-rw-r--r--arch/mips/kernel/smtc.c10
-rw-r--r--arch/mips/kernel/traps.c302
-rw-r--r--arch/mips/kernel/unaligned.c1489
-rw-r--r--arch/mips/kvm/kvm_mips_emul.c29
-rw-r--r--arch/mips/kvm/kvm_tlb.c26
-rw-r--r--arch/mips/lib/dump_tlb.c5
-rw-r--r--arch/mips/lib/memset.S84
-rw-r--r--arch/mips/lib/r3k_dump_tlb.c7
-rw-r--r--arch/mips/lib/strlen_user.S9
-rw-r--r--arch/mips/lib/strncpy_user.S32
-rw-r--r--arch/mips/lib/strnlen_user.S2
-rw-r--r--arch/mips/math-emu/cp1emu.c919
-rw-r--r--arch/mips/math-emu/dsemul.c30
-rw-r--r--arch/mips/mm/Makefile4
-rw-r--r--arch/mips/mm/c-r4k.c24
-rw-r--r--arch/mips/mm/dma-default.c25
-rw-r--r--arch/mips/mm/tlb-r3k.c20
-rw-r--r--arch/mips/mm/tlb-r4k.c2
-rw-r--r--arch/mips/mm/tlb-r8k.c2
-rw-r--r--arch/mips/mm/tlbex.c100
-rw-r--r--arch/mips/mm/uasm-micromips.c221
-rw-r--r--arch/mips/mm/uasm-mips.c205
-rw-r--r--arch/mips/mm/uasm.c326
-rw-r--r--arch/mips/mti-malta/Makefile5
-rw-r--r--arch/mips/mti-malta/malta-cmdline.c59
-rw-r--r--arch/mips/mti-malta/malta-display.c38
-rw-r--r--arch/mips/mti-malta/malta-init.c153
-rw-r--r--arch/mips/mti-malta/malta-int.c4
-rw-r--r--arch/mips/mti-malta/malta-memory.c104
-rw-r--r--arch/mips/mti-malta/malta-setup.c87
-rw-r--r--arch/mips/mti-malta/malta-time.c40
-rw-r--r--arch/mips/mti-sead3/Makefile8
-rw-r--r--arch/mips/mti-sead3/leds-sead3.c24
-rw-r--r--arch/mips/mti-sead3/sead3-cmdline.c46
-rw-r--r--arch/mips/mti-sead3/sead3-console.c2
-rw-r--r--arch/mips/mti-sead3/sead3-display.c1
-rw-r--r--arch/mips/mti-sead3/sead3-init.c130
-rw-r--r--arch/mips/mti-sead3/sead3-int.c1
-rw-r--r--arch/mips/mti-sead3/sead3-setup.c4
-rw-r--r--arch/mips/mti-sead3/sead3-time.c1
-rw-r--r--arch/mips/powertv/init.c3
-rw-r--r--arch/mips/powertv/init.h2
-rw-r--r--arch/mips/powertv/memory.c1
-rw-r--r--arch/mips/powertv/powertv_setup.c1
90 files changed, 5835 insertions, 1416 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0cb6f5ffeecd..033ffd0abe2c 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -336,6 +336,7 @@ config MIPS_SEAD3
336 select BOOT_RAW 336 select BOOT_RAW
337 select CEVT_R4K 337 select CEVT_R4K
338 select CSRC_R4K 338 select CSRC_R4K
339 select CSRC_GIC
339 select CPU_MIPSR2_IRQ_VI 340 select CPU_MIPSR2_IRQ_VI
340 select CPU_MIPSR2_IRQ_EI 341 select CPU_MIPSR2_IRQ_EI
341 select DMA_NONCOHERENT 342 select DMA_NONCOHERENT
@@ -352,6 +353,7 @@ config MIPS_SEAD3
352 select SYS_SUPPORTS_BIG_ENDIAN 353 select SYS_SUPPORTS_BIG_ENDIAN
353 select SYS_SUPPORTS_LITTLE_ENDIAN 354 select SYS_SUPPORTS_LITTLE_ENDIAN
354 select SYS_SUPPORTS_SMARTMIPS 355 select SYS_SUPPORTS_SMARTMIPS
356 select SYS_SUPPORTS_MICROMIPS
355 select USB_ARCH_HAS_EHCI 357 select USB_ARCH_HAS_EHCI
356 select USB_EHCI_BIG_ENDIAN_DESC 358 select USB_EHCI_BIG_ENDIAN_DESC
357 select USB_EHCI_BIG_ENDIAN_MMIO 359 select USB_EHCI_BIG_ENDIAN_MMIO
@@ -908,6 +910,9 @@ config CEVT_GT641XX
908config CEVT_R4K 910config CEVT_R4K
909 bool 911 bool
910 912
913config CEVT_GIC
914 bool
915
911config CEVT_SB1250 916config CEVT_SB1250
912 bool 917 bool
913 918
@@ -1824,6 +1829,15 @@ config FORCE_MAX_ZONEORDER
1824 The page size is not necessarily 4KB. Keep this in mind 1829 The page size is not necessarily 4KB. Keep this in mind
1825 when choosing a value for this option. 1830 when choosing a value for this option.
1826 1831
1832config CEVT_GIC
1833 bool "Use GIC global counter for clock events"
1834 depends on IRQ_GIC && !(MIPS_SEAD3 || MIPS_MT_SMTC)
1835 help
1836 Use the GIC global counter for the clock events. The R4K clock
1837 event driver is always present, so if the platform ends up not
1838 detecting a GIC, it will fall back to the R4K timer for the
1839 generation of clock events.
1840
1827config BOARD_SCACHE 1841config BOARD_SCACHE
1828 bool 1842 bool
1829 1843
@@ -2048,6 +2062,13 @@ config CPU_HAS_SMARTMIPS
2048 you don't know you probably don't have SmartMIPS and should say N 2062 you don't know you probably don't have SmartMIPS and should say N
2049 here. 2063 here.
2050 2064
2065config CPU_MICROMIPS
2066 depends on SYS_SUPPORTS_MICROMIPS
2067 bool "Build kernel using microMIPS ISA"
2068 help
2069 When this option is enabled the kernel will be built using the
2070 microMIPS ISA
2071
2051config CPU_HAS_WB 2072config CPU_HAS_WB
2052 bool 2073 bool
2053 2074
@@ -2110,6 +2131,9 @@ config SYS_SUPPORTS_HIGHMEM
2110config SYS_SUPPORTS_SMARTMIPS 2131config SYS_SUPPORTS_SMARTMIPS
2111 bool 2132 bool
2112 2133
2134config SYS_SUPPORTS_MICROMIPS
2135 bool
2136
2113config ARCH_FLATMEM_ENABLE 2137config ARCH_FLATMEM_ENABLE
2114 def_bool y 2138 def_bool y
2115 depends on !NUMA && !CPU_LOONGSON2 2139 depends on !NUMA && !CPU_LOONGSON2
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 6f7978f95090..dd58a04ef4bc 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -114,6 +114,7 @@ cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*e
114cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) 114cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
115 115
116cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) 116cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips)
117cflags-$(CONFIG_CPU_MICROMIPS) += $(call cc-option,-mmicromips -mno-jals)
117 118
118cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ 119cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
119 -fno-omit-frame-pointer 120 -fno-omit-frame-pointer
diff --git a/arch/mips/ar7/memory.c b/arch/mips/ar7/memory.c
index 28abfeef09d6..92dfa481205b 100644
--- a/arch/mips/ar7/memory.c
+++ b/arch/mips/ar7/memory.c
@@ -30,7 +30,6 @@
30#include <asm/sections.h> 30#include <asm/sections.h>
31 31
32#include <asm/mach-ar7/ar7.h> 32#include <asm/mach-ar7/ar7.h>
33#include <asm/mips-boards/prom.h>
34 33
35static int __init memsize(void) 34static int __init memsize(void)
36{ 35{
diff --git a/arch/mips/configs/malta_defconfig b/arch/mips/configs/malta_defconfig
index cd732e5b4fd5..ce1d3eeeb737 100644
--- a/arch/mips/configs/malta_defconfig
+++ b/arch/mips/configs/malta_defconfig
@@ -2,30 +2,21 @@ CONFIG_MIPS_MALTA=y
2CONFIG_CPU_LITTLE_ENDIAN=y 2CONFIG_CPU_LITTLE_ENDIAN=y
3CONFIG_CPU_MIPS32_R2=y 3CONFIG_CPU_MIPS32_R2=y
4CONFIG_MIPS_MT_SMP=y 4CONFIG_MIPS_MT_SMP=y
5CONFIG_NO_HZ=y
6CONFIG_HIGH_RES_TIMERS=y
7CONFIG_HZ_100=y 5CONFIG_HZ_100=y
8CONFIG_EXPERIMENTAL=y
9CONFIG_SYSVIPC=y 6CONFIG_SYSVIPC=y
7CONFIG_NO_HZ=y
8CONFIG_HIGH_RES_TIMERS=y
10CONFIG_LOG_BUF_SHIFT=15 9CONFIG_LOG_BUF_SHIFT=15
11CONFIG_SYSFS_DEPRECATED_V2=y
12CONFIG_RELAY=y
13CONFIG_NAMESPACES=y 10CONFIG_NAMESPACES=y
14CONFIG_UTS_NS=y 11CONFIG_RELAY=y
15CONFIG_IPC_NS=y
16CONFIG_PID_NS=y
17# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
18CONFIG_EXPERT=y 12CONFIG_EXPERT=y
19# CONFIG_SYSCTL_SYSCALL is not set
20# CONFIG_COMPAT_BRK is not set 13# CONFIG_COMPAT_BRK is not set
21CONFIG_SLAB=y 14CONFIG_SLAB=y
22CONFIG_MODULES=y 15CONFIG_MODULES=y
23CONFIG_MODULE_UNLOAD=y 16CONFIG_MODULE_UNLOAD=y
24CONFIG_MODVERSIONS=y 17CONFIG_MODVERSIONS=y
25CONFIG_MODULE_SRCVERSION_ALL=y 18CONFIG_MODULE_SRCVERSION_ALL=y
26# CONFIG_BLK_DEV_BSG is not set
27CONFIG_PCI=y 19CONFIG_PCI=y
28CONFIG_PM=y
29CONFIG_PACKET=y 20CONFIG_PACKET=y
30CONFIG_UNIX=y 21CONFIG_UNIX=y
31CONFIG_XFRM_USER=m 22CONFIG_XFRM_USER=m
@@ -41,8 +32,6 @@ CONFIG_IP_PNP=y
41CONFIG_IP_PNP_DHCP=y 32CONFIG_IP_PNP_DHCP=y
42CONFIG_IP_PNP_BOOTP=y 33CONFIG_IP_PNP_BOOTP=y
43CONFIG_NET_IPIP=m 34CONFIG_NET_IPIP=m
44CONFIG_NET_IPGRE=m
45CONFIG_NET_IPGRE_BROADCAST=y
46CONFIG_IP_MROUTE=y 35CONFIG_IP_MROUTE=y
47CONFIG_IP_PIMSM_V1=y 36CONFIG_IP_PIMSM_V1=y
48CONFIG_IP_PIMSM_V2=y 37CONFIG_IP_PIMSM_V2=y
@@ -65,7 +54,6 @@ CONFIG_IPV6_MROUTE=y
65CONFIG_IPV6_PIMSM_V2=y 54CONFIG_IPV6_PIMSM_V2=y
66CONFIG_NETWORK_SECMARK=y 55CONFIG_NETWORK_SECMARK=y
67CONFIG_NETFILTER=y 56CONFIG_NETFILTER=y
68CONFIG_NETFILTER_NETLINK_QUEUE=m
69CONFIG_NF_CONNTRACK=m 57CONFIG_NF_CONNTRACK=m
70CONFIG_NF_CONNTRACK_SECMARK=y 58CONFIG_NF_CONNTRACK_SECMARK=y
71CONFIG_NF_CONNTRACK_EVENTS=y 59CONFIG_NF_CONNTRACK_EVENTS=y
@@ -136,23 +124,15 @@ CONFIG_IP_VS_DH=m
136CONFIG_IP_VS_SH=m 124CONFIG_IP_VS_SH=m
137CONFIG_IP_VS_SED=m 125CONFIG_IP_VS_SED=m
138CONFIG_IP_VS_NQ=m 126CONFIG_IP_VS_NQ=m
139CONFIG_IP_VS_FTP=m
140CONFIG_NF_CONNTRACK_IPV4=m 127CONFIG_NF_CONNTRACK_IPV4=m
141CONFIG_IP_NF_QUEUE=m 128CONFIG_IP_NF_QUEUE=m
142CONFIG_IP_NF_IPTABLES=m 129CONFIG_IP_NF_IPTABLES=m
143CONFIG_IP_NF_MATCH_ADDRTYPE=m
144CONFIG_IP_NF_MATCH_AH=m 130CONFIG_IP_NF_MATCH_AH=m
145CONFIG_IP_NF_MATCH_ECN=m 131CONFIG_IP_NF_MATCH_ECN=m
146CONFIG_IP_NF_MATCH_TTL=m 132CONFIG_IP_NF_MATCH_TTL=m
147CONFIG_IP_NF_FILTER=m 133CONFIG_IP_NF_FILTER=m
148CONFIG_IP_NF_TARGET_REJECT=m 134CONFIG_IP_NF_TARGET_REJECT=m
149CONFIG_IP_NF_TARGET_LOG=m
150CONFIG_IP_NF_TARGET_ULOG=m 135CONFIG_IP_NF_TARGET_ULOG=m
151CONFIG_NF_NAT=m
152CONFIG_IP_NF_TARGET_MASQUERADE=m
153CONFIG_IP_NF_TARGET_NETMAP=m
154CONFIG_IP_NF_TARGET_REDIRECT=m
155CONFIG_NF_NAT_SNMP_BASIC=m
156CONFIG_IP_NF_MANGLE=m 136CONFIG_IP_NF_MANGLE=m
157CONFIG_IP_NF_TARGET_CLUSTERIP=m 137CONFIG_IP_NF_TARGET_CLUSTERIP=m
158CONFIG_IP_NF_TARGET_ECN=m 138CONFIG_IP_NF_TARGET_ECN=m
@@ -162,8 +142,6 @@ CONFIG_IP_NF_ARPTABLES=m
162CONFIG_IP_NF_ARPFILTER=m 142CONFIG_IP_NF_ARPFILTER=m
163CONFIG_IP_NF_ARP_MANGLE=m 143CONFIG_IP_NF_ARP_MANGLE=m
164CONFIG_NF_CONNTRACK_IPV6=m 144CONFIG_NF_CONNTRACK_IPV6=m
165CONFIG_IP6_NF_QUEUE=m
166CONFIG_IP6_NF_IPTABLES=m
167CONFIG_IP6_NF_MATCH_AH=m 145CONFIG_IP6_NF_MATCH_AH=m
168CONFIG_IP6_NF_MATCH_EUI64=m 146CONFIG_IP6_NF_MATCH_EUI64=m
169CONFIG_IP6_NF_MATCH_FRAG=m 147CONFIG_IP6_NF_MATCH_FRAG=m
@@ -173,7 +151,6 @@ CONFIG_IP6_NF_MATCH_IPV6HEADER=m
173CONFIG_IP6_NF_MATCH_MH=m 151CONFIG_IP6_NF_MATCH_MH=m
174CONFIG_IP6_NF_MATCH_RT=m 152CONFIG_IP6_NF_MATCH_RT=m
175CONFIG_IP6_NF_TARGET_HL=m 153CONFIG_IP6_NF_TARGET_HL=m
176CONFIG_IP6_NF_TARGET_LOG=m
177CONFIG_IP6_NF_FILTER=m 154CONFIG_IP6_NF_FILTER=m
178CONFIG_IP6_NF_TARGET_REJECT=m 155CONFIG_IP6_NF_TARGET_REJECT=m
179CONFIG_IP6_NF_MANGLE=m 156CONFIG_IP6_NF_MANGLE=m
@@ -247,12 +224,10 @@ CONFIG_MAC80211=m
247CONFIG_MAC80211_RC_PID=y 224CONFIG_MAC80211_RC_PID=y
248CONFIG_MAC80211_RC_DEFAULT_PID=y 225CONFIG_MAC80211_RC_DEFAULT_PID=y
249CONFIG_MAC80211_MESH=y 226CONFIG_MAC80211_MESH=y
250CONFIG_MAC80211_LEDS=y
251CONFIG_RFKILL=m 227CONFIG_RFKILL=m
252CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug" 228CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
253CONFIG_CONNECTOR=m 229CONFIG_CONNECTOR=m
254CONFIG_MTD=y 230CONFIG_MTD=y
255CONFIG_MTD_PARTITIONS=y
256CONFIG_MTD_CHAR=y 231CONFIG_MTD_CHAR=y
257CONFIG_MTD_BLOCK=y 232CONFIG_MTD_BLOCK=y
258CONFIG_MTD_OOPS=m 233CONFIG_MTD_OOPS=m
@@ -271,7 +246,6 @@ CONFIG_BLK_DEV_NBD=m
271CONFIG_BLK_DEV_RAM=y 246CONFIG_BLK_DEV_RAM=y
272CONFIG_CDROM_PKTCDVD=m 247CONFIG_CDROM_PKTCDVD=m
273CONFIG_ATA_OVER_ETH=m 248CONFIG_ATA_OVER_ETH=m
274# CONFIG_MISC_DEVICES is not set
275CONFIG_IDE=y 249CONFIG_IDE=y
276CONFIG_BLK_DEV_IDECD=y 250CONFIG_BLK_DEV_IDECD=y
277CONFIG_IDE_GENERIC=y 251CONFIG_IDE_GENERIC=y
@@ -317,13 +291,19 @@ CONFIG_DM_MIRROR=m
317CONFIG_DM_ZERO=m 291CONFIG_DM_ZERO=m
318CONFIG_DM_MULTIPATH=m 292CONFIG_DM_MULTIPATH=m
319CONFIG_NETDEVICES=y 293CONFIG_NETDEVICES=y
320CONFIG_IFB=m
321CONFIG_DUMMY=m
322CONFIG_BONDING=m 294CONFIG_BONDING=m
323CONFIG_MACVLAN=m 295CONFIG_DUMMY=m
324CONFIG_EQUALIZER=m 296CONFIG_EQUALIZER=m
297CONFIG_IFB=m
298CONFIG_MACVLAN=m
325CONFIG_TUN=m 299CONFIG_TUN=m
326CONFIG_VETH=m 300CONFIG_VETH=m
301# CONFIG_NET_VENDOR_3COM is not set
302CONFIG_PCNET32=y
303CONFIG_CHELSIO_T3=m
304CONFIG_AX88796=m
305CONFIG_NETXEN_NIC=m
306CONFIG_TC35815=m
327CONFIG_MARVELL_PHY=m 307CONFIG_MARVELL_PHY=m
328CONFIG_DAVICOM_PHY=m 308CONFIG_DAVICOM_PHY=m
329CONFIG_QSEMI_PHY=m 309CONFIG_QSEMI_PHY=m
@@ -334,14 +314,6 @@ CONFIG_SMSC_PHY=m
334CONFIG_BROADCOM_PHY=m 314CONFIG_BROADCOM_PHY=m
335CONFIG_ICPLUS_PHY=m 315CONFIG_ICPLUS_PHY=m
336CONFIG_REALTEK_PHY=m 316CONFIG_REALTEK_PHY=m
337CONFIG_MDIO_BITBANG=m
338CONFIG_NET_ETHERNET=y
339CONFIG_AX88796=m
340CONFIG_NET_PCI=y
341CONFIG_PCNET32=y
342CONFIG_TC35815=m
343CONFIG_CHELSIO_T3=m
344CONFIG_NETXEN_NIC=m
345CONFIG_ATMEL=m 317CONFIG_ATMEL=m
346CONFIG_PCI_ATMEL=m 318CONFIG_PCI_ATMEL=m
347CONFIG_PRISM54=m 319CONFIG_PRISM54=m
@@ -352,15 +324,7 @@ CONFIG_HOSTAP_PLX=m
352CONFIG_HOSTAP_PCI=m 324CONFIG_HOSTAP_PCI=m
353CONFIG_IPW2100=m 325CONFIG_IPW2100=m
354CONFIG_IPW2100_MONITOR=y 326CONFIG_IPW2100_MONITOR=y
355CONFIG_IPW2200=m
356CONFIG_IPW2200_MONITOR=y
357CONFIG_IPW2200_PROMISCUOUS=y
358CONFIG_IPW2200_QOS=y
359CONFIG_LIBERTAS=m 327CONFIG_LIBERTAS=m
360CONFIG_HERMES=m
361CONFIG_PLX_HERMES=m
362CONFIG_TMD_HERMES=m
363CONFIG_NORTEL_HERMES=m
364# CONFIG_INPUT_KEYBOARD is not set 328# CONFIG_INPUT_KEYBOARD is not set
365# CONFIG_INPUT_MOUSE is not set 329# CONFIG_INPUT_MOUSE is not set
366# CONFIG_SERIO_I8042 is not set 330# CONFIG_SERIO_I8042 is not set
@@ -373,12 +337,6 @@ CONFIG_FB_CIRRUS=y
373# CONFIG_VGA_CONSOLE is not set 337# CONFIG_VGA_CONSOLE is not set
374CONFIG_FRAMEBUFFER_CONSOLE=y 338CONFIG_FRAMEBUFFER_CONSOLE=y
375CONFIG_HID=m 339CONFIG_HID=m
376CONFIG_LEDS_CLASS=y
377CONFIG_LEDS_TRIGGER_TIMER=m
378CONFIG_LEDS_TRIGGER_IDE_DISK=y
379CONFIG_LEDS_TRIGGER_HEARTBEAT=m
380CONFIG_LEDS_TRIGGER_BACKLIGHT=m
381CONFIG_LEDS_TRIGGER_DEFAULT_ON=m
382CONFIG_RTC_CLASS=y 340CONFIG_RTC_CLASS=y
383CONFIG_RTC_DRV_CMOS=y 341CONFIG_RTC_DRV_CMOS=y
384CONFIG_UIO=m 342CONFIG_UIO=m
@@ -398,7 +356,6 @@ CONFIG_XFS_QUOTA=y
398CONFIG_XFS_POSIX_ACL=y 356CONFIG_XFS_POSIX_ACL=y
399CONFIG_QUOTA=y 357CONFIG_QUOTA=y
400CONFIG_QFMT_V2=y 358CONFIG_QFMT_V2=y
401CONFIG_AUTOFS_FS=y
402CONFIG_FUSE_FS=m 359CONFIG_FUSE_FS=m
403CONFIG_ISO9660_FS=m 360CONFIG_ISO9660_FS=m
404CONFIG_JOLIET=y 361CONFIG_JOLIET=y
@@ -425,7 +382,6 @@ CONFIG_ROMFS_FS=m
425CONFIG_SYSV_FS=m 382CONFIG_SYSV_FS=m
426CONFIG_UFS_FS=m 383CONFIG_UFS_FS=m
427CONFIG_NFS_FS=y 384CONFIG_NFS_FS=y
428CONFIG_NFS_V3=y
429CONFIG_ROOT_NFS=y 385CONFIG_ROOT_NFS=y
430CONFIG_NFSD=y 386CONFIG_NFSD=y
431CONFIG_NFSD_V3=y 387CONFIG_NFSD_V3=y
@@ -466,7 +422,6 @@ CONFIG_NLS_ISO8859_14=m
466CONFIG_NLS_ISO8859_15=m 422CONFIG_NLS_ISO8859_15=m
467CONFIG_NLS_KOI8_R=m 423CONFIG_NLS_KOI8_R=m
468CONFIG_NLS_KOI8_U=m 424CONFIG_NLS_KOI8_U=m
469# CONFIG_RCU_CPU_STALL_DETECTOR is not set
470CONFIG_CRYPTO_NULL=m 425CONFIG_CRYPTO_NULL=m
471CONFIG_CRYPTO_CRYPTD=m 426CONFIG_CRYPTO_CRYPTD=m
472CONFIG_CRYPTO_LRW=m 427CONFIG_CRYPTO_LRW=m
diff --git a/arch/mips/configs/maltaaprp_defconfig b/arch/mips/configs/maltaaprp_defconfig
new file mode 100644
index 000000000000..93057a760dfa
--- /dev/null
+++ b/arch/mips/configs/maltaaprp_defconfig
@@ -0,0 +1,195 @@
1CONFIG_MIPS_MALTA=y
2CONFIG_CPU_LITTLE_ENDIAN=y
3CONFIG_CPU_MIPS32_R2=y
4CONFIG_MIPS_VPE_LOADER=y
5CONFIG_MIPS_VPE_APSP_API=y
6CONFIG_HZ_100=y
7CONFIG_LOCALVERSION="aprp"
8CONFIG_SYSVIPC=y
9CONFIG_POSIX_MQUEUE=y
10CONFIG_AUDIT=y
11CONFIG_IKCONFIG=y
12CONFIG_IKCONFIG_PROC=y
13CONFIG_LOG_BUF_SHIFT=15
14CONFIG_SYSCTL_SYSCALL=y
15CONFIG_EMBEDDED=y
16CONFIG_SLAB=y
17CONFIG_MODULES=y
18CONFIG_MODULE_UNLOAD=y
19CONFIG_MODVERSIONS=y
20CONFIG_MODULE_SRCVERSION_ALL=y
21# CONFIG_BLK_DEV_BSG is not set
22CONFIG_PCI=y
23# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
24CONFIG_NET=y
25CONFIG_PACKET=y
26CONFIG_UNIX=y
27CONFIG_XFRM_USER=m
28CONFIG_NET_KEY=y
29CONFIG_INET=y
30CONFIG_IP_MULTICAST=y
31CONFIG_IP_ADVANCED_ROUTER=y
32CONFIG_IP_MULTIPLE_TABLES=y
33CONFIG_IP_ROUTE_MULTIPATH=y
34CONFIG_IP_ROUTE_VERBOSE=y
35CONFIG_IP_PNP=y
36CONFIG_IP_PNP_DHCP=y
37CONFIG_IP_PNP_BOOTP=y
38CONFIG_NET_IPIP=m
39CONFIG_IP_MROUTE=y
40CONFIG_IP_PIMSM_V1=y
41CONFIG_IP_PIMSM_V2=y
42CONFIG_SYN_COOKIES=y
43CONFIG_INET_AH=m
44CONFIG_INET_ESP=m
45CONFIG_INET_IPCOMP=m
46# CONFIG_INET_LRO is not set
47CONFIG_IPV6_PRIVACY=y
48CONFIG_INET6_AH=m
49CONFIG_INET6_ESP=m
50CONFIG_INET6_IPCOMP=m
51CONFIG_IPV6_TUNNEL=m
52CONFIG_BRIDGE=m
53CONFIG_VLAN_8021Q=m
54CONFIG_ATALK=m
55CONFIG_DEV_APPLETALK=m
56CONFIG_IPDDP=m
57CONFIG_IPDDP_ENCAP=y
58CONFIG_IPDDP_DECAP=y
59CONFIG_NET_SCHED=y
60CONFIG_NET_SCH_CBQ=m
61CONFIG_NET_SCH_HTB=m
62CONFIG_NET_SCH_HFSC=m
63CONFIG_NET_SCH_PRIO=m
64CONFIG_NET_SCH_RED=m
65CONFIG_NET_SCH_SFQ=m
66CONFIG_NET_SCH_TEQL=m
67CONFIG_NET_SCH_TBF=m
68CONFIG_NET_SCH_GRED=m
69CONFIG_NET_SCH_DSMARK=m
70CONFIG_NET_SCH_NETEM=m
71CONFIG_NET_SCH_INGRESS=m
72CONFIG_NET_CLS_BASIC=m
73CONFIG_NET_CLS_TCINDEX=m
74CONFIG_NET_CLS_ROUTE4=m
75CONFIG_NET_CLS_FW=m
76CONFIG_NET_CLS_U32=m
77CONFIG_NET_CLS_RSVP=m
78CONFIG_NET_CLS_RSVP6=m
79CONFIG_NET_CLS_ACT=y
80CONFIG_NET_ACT_POLICE=y
81CONFIG_NET_CLS_IND=y
82# CONFIG_WIRELESS is not set
83CONFIG_BLK_DEV_LOOP=y
84CONFIG_BLK_DEV_CRYPTOLOOP=m
85CONFIG_IDE=y
86# CONFIG_IDE_PROC_FS is not set
87# CONFIG_IDEPCI_PCIBUS_ORDER is not set
88CONFIG_BLK_DEV_GENERIC=y
89CONFIG_BLK_DEV_PIIX=y
90CONFIG_SCSI=y
91CONFIG_BLK_DEV_SD=y
92CONFIG_CHR_DEV_SG=y
93# CONFIG_SCSI_LOWLEVEL is not set
94CONFIG_NETDEVICES=y
95# CONFIG_NET_VENDOR_3COM is not set
96# CONFIG_NET_VENDOR_ADAPTEC is not set
97# CONFIG_NET_VENDOR_ALTEON is not set
98CONFIG_PCNET32=y
99# CONFIG_NET_VENDOR_ATHEROS is not set
100# CONFIG_NET_VENDOR_BROADCOM is not set
101# CONFIG_NET_VENDOR_BROCADE is not set
102# CONFIG_NET_VENDOR_CHELSIO is not set
103# CONFIG_NET_VENDOR_CISCO is not set
104# CONFIG_NET_VENDOR_DEC is not set
105# CONFIG_NET_VENDOR_DLINK is not set
106# CONFIG_NET_VENDOR_EMULEX is not set
107# CONFIG_NET_VENDOR_EXAR is not set
108# CONFIG_NET_VENDOR_HP is not set
109# CONFIG_NET_VENDOR_INTEL is not set
110# CONFIG_NET_VENDOR_MARVELL is not set
111# CONFIG_NET_VENDOR_MELLANOX is not set
112# CONFIG_NET_VENDOR_MICREL is not set
113# CONFIG_NET_VENDOR_MYRI is not set
114# CONFIG_NET_VENDOR_NATSEMI is not set
115# CONFIG_NET_VENDOR_NVIDIA is not set
116# CONFIG_NET_VENDOR_OKI is not set
117# CONFIG_NET_PACKET_ENGINE is not set
118# CONFIG_NET_VENDOR_QLOGIC is not set
119# CONFIG_NET_VENDOR_REALTEK is not set
120# CONFIG_NET_VENDOR_RDC is not set
121# CONFIG_NET_VENDOR_SEEQ is not set
122# CONFIG_NET_VENDOR_SILAN is not set
123# CONFIG_NET_VENDOR_SIS is not set
124# CONFIG_NET_VENDOR_SMSC is not set
125# CONFIG_NET_VENDOR_STMICRO is not set
126# CONFIG_NET_VENDOR_SUN is not set
127# CONFIG_NET_VENDOR_TEHUTI is not set
128# CONFIG_NET_VENDOR_TI is not set
129# CONFIG_NET_VENDOR_TOSHIBA is not set
130# CONFIG_NET_VENDOR_VIA is not set
131# CONFIG_WLAN is not set
132# CONFIG_VT is not set
133CONFIG_LEGACY_PTY_COUNT=16
134CONFIG_SERIAL_8250=y
135CONFIG_SERIAL_8250_CONSOLE=y
136CONFIG_HW_RANDOM=y
137# CONFIG_HWMON is not set
138CONFIG_VIDEO_OUTPUT_CONTROL=m
139CONFIG_FB=y
140CONFIG_FIRMWARE_EDID=y
141CONFIG_FB_MATROX=y
142CONFIG_FB_MATROX_G=y
143CONFIG_USB=y
144CONFIG_USB_EHCI_HCD=y
145# CONFIG_USB_EHCI_TT_NEWSCHED is not set
146CONFIG_USB_UHCI_HCD=y
147CONFIG_USB_STORAGE=y
148CONFIG_NEW_LEDS=y
149CONFIG_LEDS_CLASS=y
150CONFIG_LEDS_TRIGGERS=y
151CONFIG_LEDS_TRIGGER_TIMER=y
152CONFIG_LEDS_TRIGGER_IDE_DISK=y
153CONFIG_LEDS_TRIGGER_HEARTBEAT=y
154CONFIG_LEDS_TRIGGER_BACKLIGHT=y
155CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
156CONFIG_RTC_CLASS=y
157CONFIG_RTC_DRV_CMOS=y
158CONFIG_EXT2_FS=y
159CONFIG_EXT3_FS=y
160# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
161CONFIG_XFS_FS=y
162CONFIG_XFS_QUOTA=y
163CONFIG_XFS_POSIX_ACL=y
164CONFIG_QUOTA=y
165CONFIG_QFMT_V2=y
166CONFIG_MSDOS_FS=m
167CONFIG_VFAT_FS=m
168CONFIG_PROC_KCORE=y
169CONFIG_TMPFS=y
170CONFIG_NFS_FS=y
171CONFIG_ROOT_NFS=y
172CONFIG_CIFS=m
173CONFIG_CIFS_WEAK_PW_HASH=y
174CONFIG_CIFS_XATTR=y
175CONFIG_CIFS_POSIX=y
176CONFIG_NLS_CODEPAGE_437=m
177CONFIG_NLS_ISO8859_1=m
178# CONFIG_FTRACE is not set
179CONFIG_CRYPTO_NULL=m
180CONFIG_CRYPTO_PCBC=m
181CONFIG_CRYPTO_HMAC=y
182CONFIG_CRYPTO_MICHAEL_MIC=m
183CONFIG_CRYPTO_SHA512=m
184CONFIG_CRYPTO_TGR192=m
185CONFIG_CRYPTO_WP512=m
186CONFIG_CRYPTO_ANUBIS=m
187CONFIG_CRYPTO_BLOWFISH=m
188CONFIG_CRYPTO_CAST5=m
189CONFIG_CRYPTO_CAST6=m
190CONFIG_CRYPTO_KHAZAD=m
191CONFIG_CRYPTO_SERPENT=m
192CONFIG_CRYPTO_TEA=m
193CONFIG_CRYPTO_TWOFISH=m
194# CONFIG_CRYPTO_ANSI_CPRNG is not set
195# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/configs/maltasmtc_defconfig b/arch/mips/configs/maltasmtc_defconfig
new file mode 100644
index 000000000000..4e54b75d89be
--- /dev/null
+++ b/arch/mips/configs/maltasmtc_defconfig
@@ -0,0 +1,196 @@
1CONFIG_MIPS_MALTA=y
2CONFIG_CPU_LITTLE_ENDIAN=y
3CONFIG_CPU_MIPS32_R2=y
4CONFIG_MIPS_MT_SMTC=y
5# CONFIG_MIPS_MT_FPAFF is not set
6CONFIG_NR_CPUS=9
7CONFIG_HZ_48=y
8CONFIG_LOCALVERSION="smtc"
9CONFIG_SYSVIPC=y
10CONFIG_POSIX_MQUEUE=y
11CONFIG_AUDIT=y
12CONFIG_IKCONFIG=y
13CONFIG_IKCONFIG_PROC=y
14CONFIG_LOG_BUF_SHIFT=15
15CONFIG_SYSCTL_SYSCALL=y
16CONFIG_EMBEDDED=y
17CONFIG_SLAB=y
18CONFIG_MODULES=y
19CONFIG_MODULE_UNLOAD=y
20CONFIG_MODVERSIONS=y
21CONFIG_MODULE_SRCVERSION_ALL=y
22# CONFIG_BLK_DEV_BSG is not set
23CONFIG_PCI=y
24# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
25CONFIG_NET=y
26CONFIG_PACKET=y
27CONFIG_UNIX=y
28CONFIG_XFRM_USER=m
29CONFIG_NET_KEY=y
30CONFIG_INET=y
31CONFIG_IP_MULTICAST=y
32CONFIG_IP_ADVANCED_ROUTER=y
33CONFIG_IP_MULTIPLE_TABLES=y
34CONFIG_IP_ROUTE_MULTIPATH=y
35CONFIG_IP_ROUTE_VERBOSE=y
36CONFIG_IP_PNP=y
37CONFIG_IP_PNP_DHCP=y
38CONFIG_IP_PNP_BOOTP=y
39CONFIG_NET_IPIP=m
40CONFIG_IP_MROUTE=y
41CONFIG_IP_PIMSM_V1=y
42CONFIG_IP_PIMSM_V2=y
43CONFIG_SYN_COOKIES=y
44CONFIG_INET_AH=m
45CONFIG_INET_ESP=m
46CONFIG_INET_IPCOMP=m
47# CONFIG_INET_LRO is not set
48CONFIG_IPV6_PRIVACY=y
49CONFIG_INET6_AH=m
50CONFIG_INET6_ESP=m
51CONFIG_INET6_IPCOMP=m
52CONFIG_IPV6_TUNNEL=m
53CONFIG_BRIDGE=m
54CONFIG_VLAN_8021Q=m
55CONFIG_ATALK=m
56CONFIG_DEV_APPLETALK=m
57CONFIG_IPDDP=m
58CONFIG_IPDDP_ENCAP=y
59CONFIG_IPDDP_DECAP=y
60CONFIG_NET_SCHED=y
61CONFIG_NET_SCH_CBQ=m
62CONFIG_NET_SCH_HTB=m
63CONFIG_NET_SCH_HFSC=m
64CONFIG_NET_SCH_PRIO=m
65CONFIG_NET_SCH_RED=m
66CONFIG_NET_SCH_SFQ=m
67CONFIG_NET_SCH_TEQL=m
68CONFIG_NET_SCH_TBF=m
69CONFIG_NET_SCH_GRED=m
70CONFIG_NET_SCH_DSMARK=m
71CONFIG_NET_SCH_NETEM=m
72CONFIG_NET_SCH_INGRESS=m
73CONFIG_NET_CLS_BASIC=m
74CONFIG_NET_CLS_TCINDEX=m
75CONFIG_NET_CLS_ROUTE4=m
76CONFIG_NET_CLS_FW=m
77CONFIG_NET_CLS_U32=m
78CONFIG_NET_CLS_RSVP=m
79CONFIG_NET_CLS_RSVP6=m
80CONFIG_NET_CLS_ACT=y
81CONFIG_NET_ACT_POLICE=y
82CONFIG_NET_CLS_IND=y
83# CONFIG_WIRELESS is not set
84CONFIG_BLK_DEV_LOOP=y
85CONFIG_BLK_DEV_CRYPTOLOOP=m
86CONFIG_IDE=y
87# CONFIG_IDE_PROC_FS is not set
88# CONFIG_IDEPCI_PCIBUS_ORDER is not set
89CONFIG_BLK_DEV_GENERIC=y
90CONFIG_BLK_DEV_PIIX=y
91CONFIG_SCSI=y
92CONFIG_BLK_DEV_SD=y
93CONFIG_CHR_DEV_SG=y
94# CONFIG_SCSI_LOWLEVEL is not set
95CONFIG_NETDEVICES=y
96# CONFIG_NET_VENDOR_3COM is not set
97# CONFIG_NET_VENDOR_ADAPTEC is not set
98# CONFIG_NET_VENDOR_ALTEON is not set
99CONFIG_PCNET32=y
100# CONFIG_NET_VENDOR_ATHEROS is not set
101# CONFIG_NET_VENDOR_BROADCOM is not set
102# CONFIG_NET_VENDOR_BROCADE is not set
103# CONFIG_NET_VENDOR_CHELSIO is not set
104# CONFIG_NET_VENDOR_CISCO is not set
105# CONFIG_NET_VENDOR_DEC is not set
106# CONFIG_NET_VENDOR_DLINK is not set
107# CONFIG_NET_VENDOR_EMULEX is not set
108# CONFIG_NET_VENDOR_EXAR is not set
109# CONFIG_NET_VENDOR_HP is not set
110# CONFIG_NET_VENDOR_INTEL is not set
111# CONFIG_NET_VENDOR_MARVELL is not set
112# CONFIG_NET_VENDOR_MELLANOX is not set
113# CONFIG_NET_VENDOR_MICREL is not set
114# CONFIG_NET_VENDOR_MYRI is not set
115# CONFIG_NET_VENDOR_NATSEMI is not set
116# CONFIG_NET_VENDOR_NVIDIA is not set
117# CONFIG_NET_VENDOR_OKI is not set
118# CONFIG_NET_PACKET_ENGINE is not set
119# CONFIG_NET_VENDOR_QLOGIC is not set
120# CONFIG_NET_VENDOR_REALTEK is not set
121# CONFIG_NET_VENDOR_RDC is not set
122# CONFIG_NET_VENDOR_SEEQ is not set
123# CONFIG_NET_VENDOR_SILAN is not set
124# CONFIG_NET_VENDOR_SIS is not set
125# CONFIG_NET_VENDOR_SMSC is not set
126# CONFIG_NET_VENDOR_STMICRO is not set
127# CONFIG_NET_VENDOR_SUN is not set
128# CONFIG_NET_VENDOR_TEHUTI is not set
129# CONFIG_NET_VENDOR_TI is not set
130# CONFIG_NET_VENDOR_TOSHIBA is not set
131# CONFIG_NET_VENDOR_VIA is not set
132# CONFIG_WLAN is not set
133# CONFIG_VT is not set
134CONFIG_LEGACY_PTY_COUNT=16
135CONFIG_SERIAL_8250=y
136CONFIG_SERIAL_8250_CONSOLE=y
137CONFIG_HW_RANDOM=y
138# CONFIG_HWMON is not set
139CONFIG_VIDEO_OUTPUT_CONTROL=m
140CONFIG_FB=y
141CONFIG_FIRMWARE_EDID=y
142CONFIG_FB_MATROX=y
143CONFIG_FB_MATROX_G=y
144CONFIG_USB=y
145CONFIG_USB_EHCI_HCD=y
146# CONFIG_USB_EHCI_TT_NEWSCHED is not set
147CONFIG_USB_UHCI_HCD=y
148CONFIG_USB_STORAGE=y
149CONFIG_NEW_LEDS=y
150CONFIG_LEDS_CLASS=y
151CONFIG_LEDS_TRIGGERS=y
152CONFIG_LEDS_TRIGGER_TIMER=y
153CONFIG_LEDS_TRIGGER_IDE_DISK=y
154CONFIG_LEDS_TRIGGER_HEARTBEAT=y
155CONFIG_LEDS_TRIGGER_BACKLIGHT=y
156CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
157CONFIG_RTC_CLASS=y
158CONFIG_RTC_DRV_CMOS=y
159CONFIG_EXT2_FS=y
160CONFIG_EXT3_FS=y
161# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
162CONFIG_XFS_FS=y
163CONFIG_XFS_QUOTA=y
164CONFIG_XFS_POSIX_ACL=y
165CONFIG_QUOTA=y
166CONFIG_QFMT_V2=y
167CONFIG_MSDOS_FS=m
168CONFIG_VFAT_FS=m
169CONFIG_PROC_KCORE=y
170CONFIG_TMPFS=y
171CONFIG_NFS_FS=y
172CONFIG_ROOT_NFS=y
173CONFIG_CIFS=m
174CONFIG_CIFS_WEAK_PW_HASH=y
175CONFIG_CIFS_XATTR=y
176CONFIG_CIFS_POSIX=y
177CONFIG_NLS_CODEPAGE_437=m
178CONFIG_NLS_ISO8859_1=m
179# CONFIG_FTRACE is not set
180CONFIG_CRYPTO_NULL=m
181CONFIG_CRYPTO_PCBC=m
182CONFIG_CRYPTO_HMAC=y
183CONFIG_CRYPTO_MICHAEL_MIC=m
184CONFIG_CRYPTO_SHA512=m
185CONFIG_CRYPTO_TGR192=m
186CONFIG_CRYPTO_WP512=m
187CONFIG_CRYPTO_ANUBIS=m
188CONFIG_CRYPTO_BLOWFISH=m
189CONFIG_CRYPTO_CAST5=m
190CONFIG_CRYPTO_CAST6=m
191CONFIG_CRYPTO_KHAZAD=m
192CONFIG_CRYPTO_SERPENT=m
193CONFIG_CRYPTO_TEA=m
194CONFIG_CRYPTO_TWOFISH=m
195# CONFIG_CRYPTO_ANSI_CPRNG is not set
196# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/configs/maltasmvp_defconfig b/arch/mips/configs/maltasmvp_defconfig
new file mode 100644
index 000000000000..8a666021b870
--- /dev/null
+++ b/arch/mips/configs/maltasmvp_defconfig
@@ -0,0 +1,199 @@
1CONFIG_MIPS_MALTA=y
2CONFIG_CPU_LITTLE_ENDIAN=y
3CONFIG_CPU_MIPS32_R2=y
4CONFIG_MIPS_MT_SMP=y
5CONFIG_SCHED_SMT=y
6CONFIG_MIPS_CMP=y
7CONFIG_NR_CPUS=8
8CONFIG_HZ_100=y
9CONFIG_LOCALVERSION="cmp"
10CONFIG_SYSVIPC=y
11CONFIG_POSIX_MQUEUE=y
12CONFIG_AUDIT=y
13CONFIG_NO_HZ=y
14CONFIG_IKCONFIG=y
15CONFIG_IKCONFIG_PROC=y
16CONFIG_LOG_BUF_SHIFT=15
17CONFIG_SYSCTL_SYSCALL=y
18CONFIG_EMBEDDED=y
19CONFIG_SLAB=y
20CONFIG_MODULES=y
21CONFIG_MODULE_UNLOAD=y
22CONFIG_MODVERSIONS=y
23CONFIG_MODULE_SRCVERSION_ALL=y
24# CONFIG_BLK_DEV_BSG is not set
25CONFIG_PCI=y
26# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
27CONFIG_NET=y
28CONFIG_PACKET=y
29CONFIG_UNIX=y
30CONFIG_XFRM_USER=m
31CONFIG_NET_KEY=y
32CONFIG_INET=y
33CONFIG_IP_MULTICAST=y
34CONFIG_IP_ADVANCED_ROUTER=y
35CONFIG_IP_MULTIPLE_TABLES=y
36CONFIG_IP_ROUTE_MULTIPATH=y
37CONFIG_IP_ROUTE_VERBOSE=y
38CONFIG_IP_PNP=y
39CONFIG_IP_PNP_DHCP=y
40CONFIG_IP_PNP_BOOTP=y
41CONFIG_NET_IPIP=m
42CONFIG_IP_MROUTE=y
43CONFIG_IP_PIMSM_V1=y
44CONFIG_IP_PIMSM_V2=y
45CONFIG_SYN_COOKIES=y
46CONFIG_INET_AH=m
47CONFIG_INET_ESP=m
48CONFIG_INET_IPCOMP=m
49# CONFIG_INET_LRO is not set
50CONFIG_IPV6_PRIVACY=y
51CONFIG_INET6_AH=m
52CONFIG_INET6_ESP=m
53CONFIG_INET6_IPCOMP=m
54CONFIG_IPV6_TUNNEL=m
55CONFIG_BRIDGE=m
56CONFIG_VLAN_8021Q=m
57CONFIG_ATALK=m
58CONFIG_DEV_APPLETALK=m
59CONFIG_IPDDP=m
60CONFIG_IPDDP_ENCAP=y
61CONFIG_IPDDP_DECAP=y
62CONFIG_NET_SCHED=y
63CONFIG_NET_SCH_CBQ=m
64CONFIG_NET_SCH_HTB=m
65CONFIG_NET_SCH_HFSC=m
66CONFIG_NET_SCH_PRIO=m
67CONFIG_NET_SCH_RED=m
68CONFIG_NET_SCH_SFQ=m
69CONFIG_NET_SCH_TEQL=m
70CONFIG_NET_SCH_TBF=m
71CONFIG_NET_SCH_GRED=m
72CONFIG_NET_SCH_DSMARK=m
73CONFIG_NET_SCH_NETEM=m
74CONFIG_NET_SCH_INGRESS=m
75CONFIG_NET_CLS_BASIC=m
76CONFIG_NET_CLS_TCINDEX=m
77CONFIG_NET_CLS_ROUTE4=m
78CONFIG_NET_CLS_FW=m
79CONFIG_NET_CLS_U32=m
80CONFIG_NET_CLS_RSVP=m
81CONFIG_NET_CLS_RSVP6=m
82CONFIG_NET_CLS_ACT=y
83CONFIG_NET_ACT_POLICE=y
84CONFIG_NET_CLS_IND=y
85# CONFIG_WIRELESS is not set
86CONFIG_BLK_DEV_LOOP=y
87CONFIG_BLK_DEV_CRYPTOLOOP=m
88CONFIG_IDE=y
89# CONFIG_IDE_PROC_FS is not set
90# CONFIG_IDEPCI_PCIBUS_ORDER is not set
91CONFIG_BLK_DEV_GENERIC=y
92CONFIG_BLK_DEV_PIIX=y
93CONFIG_SCSI=y
94CONFIG_BLK_DEV_SD=y
95CONFIG_CHR_DEV_SG=y
96# CONFIG_SCSI_LOWLEVEL is not set
97CONFIG_NETDEVICES=y
98# CONFIG_NET_VENDOR_3COM is not set
99# CONFIG_NET_VENDOR_ADAPTEC is not set
100# CONFIG_NET_VENDOR_ALTEON is not set
101CONFIG_PCNET32=y
102# CONFIG_NET_VENDOR_ATHEROS is not set
103# CONFIG_NET_VENDOR_BROADCOM is not set
104# CONFIG_NET_VENDOR_BROCADE is not set
105# CONFIG_NET_VENDOR_CHELSIO is not set
106# CONFIG_NET_VENDOR_CISCO is not set
107# CONFIG_NET_VENDOR_DEC is not set
108# CONFIG_NET_VENDOR_DLINK is not set
109# CONFIG_NET_VENDOR_EMULEX is not set
110# CONFIG_NET_VENDOR_EXAR is not set
111# CONFIG_NET_VENDOR_HP is not set
112# CONFIG_NET_VENDOR_INTEL is not set
113# CONFIG_NET_VENDOR_MARVELL is not set
114# CONFIG_NET_VENDOR_MELLANOX is not set
115# CONFIG_NET_VENDOR_MICREL is not set
116# CONFIG_NET_VENDOR_MYRI is not set
117# CONFIG_NET_VENDOR_NATSEMI is not set
118# CONFIG_NET_VENDOR_NVIDIA is not set
119# CONFIG_NET_VENDOR_OKI is not set
120# CONFIG_NET_PACKET_ENGINE is not set
121# CONFIG_NET_VENDOR_QLOGIC is not set
122# CONFIG_NET_VENDOR_REALTEK is not set
123# CONFIG_NET_VENDOR_RDC is not set
124# CONFIG_NET_VENDOR_SEEQ is not set
125# CONFIG_NET_VENDOR_SILAN is not set
126# CONFIG_NET_VENDOR_SIS is not set
127# CONFIG_NET_VENDOR_SMSC is not set
128# CONFIG_NET_VENDOR_STMICRO is not set
129# CONFIG_NET_VENDOR_SUN is not set
130# CONFIG_NET_VENDOR_TEHUTI is not set
131# CONFIG_NET_VENDOR_TI is not set
132# CONFIG_NET_VENDOR_TOSHIBA is not set
133# CONFIG_NET_VENDOR_VIA is not set
134# CONFIG_NET_VENDOR_WIZNET is not set
135# CONFIG_WLAN is not set
136# CONFIG_VT is not set
137CONFIG_LEGACY_PTY_COUNT=4
138CONFIG_SERIAL_8250=y
139CONFIG_SERIAL_8250_CONSOLE=y
140CONFIG_HW_RANDOM=y
141# CONFIG_HWMON is not set
142CONFIG_VIDEO_OUTPUT_CONTROL=m
143CONFIG_FB=y
144CONFIG_FIRMWARE_EDID=y
145CONFIG_FB_MATROX=y
146CONFIG_FB_MATROX_G=y
147CONFIG_USB=y
148CONFIG_USB_EHCI_HCD=y
149# CONFIG_USB_EHCI_TT_NEWSCHED is not set
150CONFIG_USB_UHCI_HCD=y
151CONFIG_USB_STORAGE=y
152CONFIG_NEW_LEDS=y
153CONFIG_LEDS_CLASS=y
154CONFIG_LEDS_TRIGGERS=y
155CONFIG_LEDS_TRIGGER_TIMER=y
156CONFIG_LEDS_TRIGGER_IDE_DISK=y
157CONFIG_LEDS_TRIGGER_HEARTBEAT=y
158CONFIG_LEDS_TRIGGER_BACKLIGHT=y
159CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
160CONFIG_RTC_CLASS=y
161CONFIG_RTC_DRV_CMOS=y
162CONFIG_EXT2_FS=y
163CONFIG_EXT3_FS=y
164# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
165CONFIG_XFS_FS=y
166CONFIG_XFS_QUOTA=y
167CONFIG_XFS_POSIX_ACL=y
168CONFIG_QUOTA=y
169CONFIG_QFMT_V2=y
170CONFIG_MSDOS_FS=m
171CONFIG_VFAT_FS=m
172CONFIG_PROC_KCORE=y
173CONFIG_TMPFS=y
174CONFIG_NFS_FS=y
175CONFIG_ROOT_NFS=y
176CONFIG_CIFS=m
177CONFIG_CIFS_WEAK_PW_HASH=y
178CONFIG_CIFS_XATTR=y
179CONFIG_CIFS_POSIX=y
180CONFIG_NLS_CODEPAGE_437=m
181CONFIG_NLS_ISO8859_1=m
182# CONFIG_FTRACE is not set
183CONFIG_CRYPTO_NULL=m
184CONFIG_CRYPTO_PCBC=m
185CONFIG_CRYPTO_HMAC=y
186CONFIG_CRYPTO_MICHAEL_MIC=m
187CONFIG_CRYPTO_SHA512=m
188CONFIG_CRYPTO_TGR192=m
189CONFIG_CRYPTO_WP512=m
190CONFIG_CRYPTO_ANUBIS=m
191CONFIG_CRYPTO_BLOWFISH=m
192CONFIG_CRYPTO_CAST5=m
193CONFIG_CRYPTO_CAST6=m
194CONFIG_CRYPTO_KHAZAD=m
195CONFIG_CRYPTO_SERPENT=m
196CONFIG_CRYPTO_TEA=m
197CONFIG_CRYPTO_TWOFISH=m
198# CONFIG_CRYPTO_ANSI_CPRNG is not set
199# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/configs/maltaup_defconfig b/arch/mips/configs/maltaup_defconfig
new file mode 100644
index 000000000000..9868fc9c1133
--- /dev/null
+++ b/arch/mips/configs/maltaup_defconfig
@@ -0,0 +1,194 @@
1CONFIG_MIPS_MALTA=y
2CONFIG_CPU_LITTLE_ENDIAN=y
3CONFIG_CPU_MIPS32_R2=y
4CONFIG_HZ_100=y
5CONFIG_LOCALVERSION="up"
6CONFIG_SYSVIPC=y
7CONFIG_POSIX_MQUEUE=y
8CONFIG_AUDIT=y
9CONFIG_NO_HZ=y
10CONFIG_IKCONFIG=y
11CONFIG_IKCONFIG_PROC=y
12CONFIG_LOG_BUF_SHIFT=15
13CONFIG_SYSCTL_SYSCALL=y
14CONFIG_EMBEDDED=y
15CONFIG_SLAB=y
16CONFIG_MODULES=y
17CONFIG_MODULE_UNLOAD=y
18CONFIG_MODVERSIONS=y
19CONFIG_MODULE_SRCVERSION_ALL=y
20# CONFIG_BLK_DEV_BSG is not set
21CONFIG_PCI=y
22# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
23CONFIG_NET=y
24CONFIG_PACKET=y
25CONFIG_UNIX=y
26CONFIG_XFRM_USER=m
27CONFIG_NET_KEY=y
28CONFIG_INET=y
29CONFIG_IP_MULTICAST=y
30CONFIG_IP_ADVANCED_ROUTER=y
31CONFIG_IP_MULTIPLE_TABLES=y
32CONFIG_IP_ROUTE_MULTIPATH=y
33CONFIG_IP_ROUTE_VERBOSE=y
34CONFIG_IP_PNP=y
35CONFIG_IP_PNP_DHCP=y
36CONFIG_IP_PNP_BOOTP=y
37CONFIG_NET_IPIP=m
38CONFIG_IP_MROUTE=y
39CONFIG_IP_PIMSM_V1=y
40CONFIG_IP_PIMSM_V2=y
41CONFIG_SYN_COOKIES=y
42CONFIG_INET_AH=m
43CONFIG_INET_ESP=m
44CONFIG_INET_IPCOMP=m
45# CONFIG_INET_LRO is not set
46CONFIG_IPV6_PRIVACY=y
47CONFIG_INET6_AH=m
48CONFIG_INET6_ESP=m
49CONFIG_INET6_IPCOMP=m
50CONFIG_IPV6_TUNNEL=m
51CONFIG_BRIDGE=m
52CONFIG_VLAN_8021Q=m
53CONFIG_ATALK=m
54CONFIG_DEV_APPLETALK=m
55CONFIG_IPDDP=m
56CONFIG_IPDDP_ENCAP=y
57CONFIG_IPDDP_DECAP=y
58CONFIG_NET_SCHED=y
59CONFIG_NET_SCH_CBQ=m
60CONFIG_NET_SCH_HTB=m
61CONFIG_NET_SCH_HFSC=m
62CONFIG_NET_SCH_PRIO=m
63CONFIG_NET_SCH_RED=m
64CONFIG_NET_SCH_SFQ=m
65CONFIG_NET_SCH_TEQL=m
66CONFIG_NET_SCH_TBF=m
67CONFIG_NET_SCH_GRED=m
68CONFIG_NET_SCH_DSMARK=m
69CONFIG_NET_SCH_NETEM=m
70CONFIG_NET_SCH_INGRESS=m
71CONFIG_NET_CLS_BASIC=m
72CONFIG_NET_CLS_TCINDEX=m
73CONFIG_NET_CLS_ROUTE4=m
74CONFIG_NET_CLS_FW=m
75CONFIG_NET_CLS_U32=m
76CONFIG_NET_CLS_RSVP=m
77CONFIG_NET_CLS_RSVP6=m
78CONFIG_NET_CLS_ACT=y
79CONFIG_NET_ACT_POLICE=y
80CONFIG_NET_CLS_IND=y
81# CONFIG_WIRELESS is not set
82CONFIG_BLK_DEV_LOOP=y
83CONFIG_BLK_DEV_CRYPTOLOOP=m
84CONFIG_IDE=y
85# CONFIG_IDE_PROC_FS is not set
86# CONFIG_IDEPCI_PCIBUS_ORDER is not set
87CONFIG_BLK_DEV_GENERIC=y
88CONFIG_BLK_DEV_PIIX=y
89CONFIG_SCSI=y
90CONFIG_BLK_DEV_SD=y
91CONFIG_CHR_DEV_SG=y
92# CONFIG_SCSI_LOWLEVEL is not set
93CONFIG_NETDEVICES=y
94# CONFIG_NET_VENDOR_3COM is not set
95# CONFIG_NET_VENDOR_ADAPTEC is not set
96# CONFIG_NET_VENDOR_ALTEON is not set
97CONFIG_PCNET32=y
98# CONFIG_NET_VENDOR_ATHEROS is not set
99# CONFIG_NET_VENDOR_BROADCOM is not set
100# CONFIG_NET_VENDOR_BROCADE is not set
101# CONFIG_NET_VENDOR_CHELSIO is not set
102# CONFIG_NET_VENDOR_CISCO is not set
103# CONFIG_NET_VENDOR_DEC is not set
104# CONFIG_NET_VENDOR_DLINK is not set
105# CONFIG_NET_VENDOR_EMULEX is not set
106# CONFIG_NET_VENDOR_EXAR is not set
107# CONFIG_NET_VENDOR_HP is not set
108# CONFIG_NET_VENDOR_INTEL is not set
109# CONFIG_NET_VENDOR_MARVELL is not set
110# CONFIG_NET_VENDOR_MELLANOX is not set
111# CONFIG_NET_VENDOR_MICREL is not set
112# CONFIG_NET_VENDOR_MYRI is not set
113# CONFIG_NET_VENDOR_NATSEMI is not set
114# CONFIG_NET_VENDOR_NVIDIA is not set
115# CONFIG_NET_VENDOR_OKI is not set
116# CONFIG_NET_PACKET_ENGINE is not set
117# CONFIG_NET_VENDOR_QLOGIC is not set
118# CONFIG_NET_VENDOR_REALTEK is not set
119# CONFIG_NET_VENDOR_RDC is not set
120# CONFIG_NET_VENDOR_SEEQ is not set
121# CONFIG_NET_VENDOR_SILAN is not set
122# CONFIG_NET_VENDOR_SIS is not set
123# CONFIG_NET_VENDOR_SMSC is not set
124# CONFIG_NET_VENDOR_STMICRO is not set
125# CONFIG_NET_VENDOR_SUN is not set
126# CONFIG_NET_VENDOR_TEHUTI is not set
127# CONFIG_NET_VENDOR_TI is not set
128# CONFIG_NET_VENDOR_TOSHIBA is not set
129# CONFIG_NET_VENDOR_VIA is not set
130# CONFIG_WLAN is not set
131# CONFIG_VT is not set
132CONFIG_LEGACY_PTY_COUNT=16
133CONFIG_SERIAL_8250=y
134CONFIG_SERIAL_8250_CONSOLE=y
135CONFIG_HW_RANDOM=y
136# CONFIG_HWMON is not set
137CONFIG_VIDEO_OUTPUT_CONTROL=m
138CONFIG_FB=y
139CONFIG_FIRMWARE_EDID=y
140CONFIG_FB_MATROX=y
141CONFIG_FB_MATROX_G=y
142CONFIG_USB=y
143CONFIG_USB_EHCI_HCD=y
144# CONFIG_USB_EHCI_TT_NEWSCHED is not set
145CONFIG_USB_UHCI_HCD=y
146CONFIG_USB_STORAGE=y
147CONFIG_NEW_LEDS=y
148CONFIG_LEDS_CLASS=y
149CONFIG_LEDS_TRIGGERS=y
150CONFIG_LEDS_TRIGGER_TIMER=y
151CONFIG_LEDS_TRIGGER_IDE_DISK=y
152CONFIG_LEDS_TRIGGER_HEARTBEAT=y
153CONFIG_LEDS_TRIGGER_BACKLIGHT=y
154CONFIG_LEDS_TRIGGER_DEFAULT_ON=y
155CONFIG_RTC_CLASS=y
156CONFIG_RTC_DRV_CMOS=y
157CONFIG_EXT2_FS=y
158CONFIG_EXT3_FS=y
159# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
160CONFIG_XFS_FS=y
161CONFIG_XFS_QUOTA=y
162CONFIG_XFS_POSIX_ACL=y
163CONFIG_QUOTA=y
164CONFIG_QFMT_V2=y
165CONFIG_MSDOS_FS=m
166CONFIG_VFAT_FS=m
167CONFIG_PROC_KCORE=y
168CONFIG_TMPFS=y
169CONFIG_NFS_FS=y
170CONFIG_ROOT_NFS=y
171CONFIG_CIFS=m
172CONFIG_CIFS_WEAK_PW_HASH=y
173CONFIG_CIFS_XATTR=y
174CONFIG_CIFS_POSIX=y
175CONFIG_NLS_CODEPAGE_437=m
176CONFIG_NLS_ISO8859_1=m
177# CONFIG_FTRACE is not set
178CONFIG_CRYPTO_NULL=m
179CONFIG_CRYPTO_PCBC=m
180CONFIG_CRYPTO_HMAC=y
181CONFIG_CRYPTO_MICHAEL_MIC=m
182CONFIG_CRYPTO_SHA512=m
183CONFIG_CRYPTO_TGR192=m
184CONFIG_CRYPTO_WP512=m
185CONFIG_CRYPTO_ANUBIS=m
186CONFIG_CRYPTO_BLOWFISH=m
187CONFIG_CRYPTO_CAST5=m
188CONFIG_CRYPTO_CAST6=m
189CONFIG_CRYPTO_KHAZAD=m
190CONFIG_CRYPTO_SERPENT=m
191CONFIG_CRYPTO_TEA=m
192CONFIG_CRYPTO_TWOFISH=m
193# CONFIG_CRYPTO_ANSI_CPRNG is not set
194# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/configs/sead3_defconfig b/arch/mips/configs/sead3_defconfig
index e3eec68d9132..0abe681c11a0 100644
--- a/arch/mips/configs/sead3_defconfig
+++ b/arch/mips/configs/sead3_defconfig
@@ -2,7 +2,6 @@ CONFIG_MIPS_SEAD3=y
2CONFIG_CPU_LITTLE_ENDIAN=y 2CONFIG_CPU_LITTLE_ENDIAN=y
3CONFIG_CPU_MIPS32_R2=y 3CONFIG_CPU_MIPS32_R2=y
4CONFIG_HZ_100=y 4CONFIG_HZ_100=y
5CONFIG_EXPERIMENTAL=y
6CONFIG_SYSVIPC=y 5CONFIG_SYSVIPC=y
7CONFIG_POSIX_MQUEUE=y 6CONFIG_POSIX_MQUEUE=y
8CONFIG_NO_HZ=y 7CONFIG_NO_HZ=y
@@ -115,10 +114,8 @@ CONFIG_NLS_ISO8859_1=y
115CONFIG_NLS_ISO8859_15=y 114CONFIG_NLS_ISO8859_15=y
116CONFIG_NLS_UTF8=y 115CONFIG_NLS_UTF8=y
117# CONFIG_FTRACE is not set 116# CONFIG_FTRACE is not set
118CONFIG_CRYPTO=y
119CONFIG_CRYPTO_CBC=y 117CONFIG_CRYPTO_CBC=y
120CONFIG_CRYPTO_ECB=y 118CONFIG_CRYPTO_ECB=y
121CONFIG_CRYPTO_AES=y
122CONFIG_CRYPTO_ARC4=y 119CONFIG_CRYPTO_ARC4=y
123# CONFIG_CRYPTO_ANSI_CPRNG is not set 120# CONFIG_CRYPTO_ANSI_CPRNG is not set
124# CONFIG_CRYPTO_HW is not set 121# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/configs/sead3micro_defconfig b/arch/mips/configs/sead3micro_defconfig
new file mode 100644
index 000000000000..2a0da5bf4b64
--- /dev/null
+++ b/arch/mips/configs/sead3micro_defconfig
@@ -0,0 +1,122 @@
1CONFIG_MIPS_SEAD3=y
2CONFIG_CPU_LITTLE_ENDIAN=y
3CONFIG_CPU_MIPS32_R2=y
4CONFIG_CPU_MICROMIPS=y
5CONFIG_HZ_100=y
6CONFIG_SYSVIPC=y
7CONFIG_POSIX_MQUEUE=y
8CONFIG_NO_HZ=y
9CONFIG_HIGH_RES_TIMERS=y
10CONFIG_IKCONFIG=y
11CONFIG_IKCONFIG_PROC=y
12CONFIG_LOG_BUF_SHIFT=15
13CONFIG_EMBEDDED=y
14CONFIG_SLAB=y
15CONFIG_PROFILING=y
16CONFIG_OPROFILE=y
17CONFIG_MODULES=y
18# CONFIG_BLK_DEV_BSG is not set
19# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
20CONFIG_NET=y
21CONFIG_PACKET=y
22CONFIG_UNIX=y
23CONFIG_INET=y
24CONFIG_IP_PNP=y
25CONFIG_IP_PNP_DHCP=y
26CONFIG_IP_PNP_BOOTP=y
27# CONFIG_INET_XFRM_MODE_TRANSPORT is not set
28# CONFIG_INET_XFRM_MODE_TUNNEL is not set
29# CONFIG_INET_XFRM_MODE_BEET is not set
30# CONFIG_INET_LRO is not set
31# CONFIG_INET_DIAG is not set
32# CONFIG_IPV6 is not set
33# CONFIG_WIRELESS is not set
34CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
35CONFIG_MTD=y
36CONFIG_MTD_CHAR=y
37CONFIG_MTD_BLOCK=y
38CONFIG_MTD_CFI=y
39CONFIG_MTD_CFI_INTELEXT=y
40CONFIG_MTD_PHYSMAP=y
41CONFIG_MTD_UBI=y
42CONFIG_MTD_UBI_GLUEBI=y
43CONFIG_BLK_DEV_LOOP=y
44CONFIG_BLK_DEV_CRYPTOLOOP=m
45CONFIG_SCSI=y
46# CONFIG_SCSI_PROC_FS is not set
47CONFIG_BLK_DEV_SD=y
48CONFIG_CHR_DEV_SG=y
49# CONFIG_SCSI_LOWLEVEL is not set
50CONFIG_NETDEVICES=y
51CONFIG_SMSC911X=y
52# CONFIG_NET_VENDOR_WIZNET is not set
53CONFIG_MARVELL_PHY=y
54CONFIG_DAVICOM_PHY=y
55CONFIG_QSEMI_PHY=y
56CONFIG_LXT_PHY=y
57CONFIG_CICADA_PHY=y
58CONFIG_VITESSE_PHY=y
59CONFIG_SMSC_PHY=y
60CONFIG_BROADCOM_PHY=y
61CONFIG_ICPLUS_PHY=y
62# CONFIG_WLAN is not set
63# CONFIG_INPUT_MOUSEDEV is not set
64# CONFIG_INPUT_KEYBOARD is not set
65# CONFIG_INPUT_MOUSE is not set
66# CONFIG_SERIO is not set
67# CONFIG_CONSOLE_TRANSLATIONS is not set
68CONFIG_VT_HW_CONSOLE_BINDING=y
69CONFIG_LEGACY_PTY_COUNT=32
70CONFIG_SERIAL_8250=y
71CONFIG_SERIAL_8250_CONSOLE=y
72CONFIG_SERIAL_8250_NR_UARTS=2
73CONFIG_SERIAL_8250_RUNTIME_UARTS=2
74# CONFIG_HW_RANDOM is not set
75CONFIG_I2C=y
76# CONFIG_I2C_COMPAT is not set
77CONFIG_I2C_CHARDEV=y
78# CONFIG_I2C_HELPER_AUTO is not set
79CONFIG_SPI=y
80CONFIG_SENSORS_ADT7475=y
81CONFIG_BACKLIGHT_LCD_SUPPORT=y
82CONFIG_LCD_CLASS_DEVICE=y
83CONFIG_BACKLIGHT_CLASS_DEVICE=y
84# CONFIG_VGA_CONSOLE is not set
85CONFIG_USB=y
86CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
87CONFIG_USB_EHCI_HCD=y
88CONFIG_USB_EHCI_ROOT_HUB_TT=y
89CONFIG_USB_STORAGE=y
90CONFIG_MMC=y
91CONFIG_MMC_DEBUG=y
92CONFIG_MMC_SPI=y
93CONFIG_NEW_LEDS=y
94CONFIG_LEDS_CLASS=y
95CONFIG_LEDS_TRIGGERS=y
96CONFIG_LEDS_TRIGGER_HEARTBEAT=y
97CONFIG_RTC_CLASS=y
98CONFIG_RTC_DRV_M41T80=y
99CONFIG_EXT3_FS=y
100# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
101CONFIG_XFS_FS=y
102CONFIG_XFS_QUOTA=y
103CONFIG_XFS_POSIX_ACL=y
104CONFIG_QUOTA=y
105# CONFIG_PRINT_QUOTA_WARNING is not set
106CONFIG_MSDOS_FS=m
107CONFIG_VFAT_FS=m
108CONFIG_TMPFS=y
109CONFIG_JFFS2_FS=y
110CONFIG_NFS_FS=y
111CONFIG_ROOT_NFS=y
112CONFIG_NLS_CODEPAGE_437=y
113CONFIG_NLS_ASCII=y
114CONFIG_NLS_ISO8859_1=y
115CONFIG_NLS_ISO8859_15=y
116CONFIG_NLS_UTF8=y
117# CONFIG_FTRACE is not set
118CONFIG_CRYPTO_CBC=y
119CONFIG_CRYPTO_ECB=y
120CONFIG_CRYPTO_ARC4=y
121# CONFIG_CRYPTO_ANSI_CPRNG is not set
122# CONFIG_CRYPTO_HW is not set
diff --git a/arch/mips/fw/lib/Makefile b/arch/mips/fw/lib/Makefile
index 84befc968fc4..529150516777 100644
--- a/arch/mips/fw/lib/Makefile
+++ b/arch/mips/fw/lib/Makefile
@@ -2,4 +2,6 @@
2# Makefile for generic prom monitor library routines under Linux. 2# Makefile for generic prom monitor library routines under Linux.
3# 3#
4 4
5lib-y += cmdline.o
6
5lib-$(CONFIG_64BIT) += call_o32.o 7lib-$(CONFIG_64BIT) += call_o32.o
diff --git a/arch/mips/fw/lib/cmdline.c b/arch/mips/fw/lib/cmdline.c
new file mode 100644
index 000000000000..ffd0345780ae
--- /dev/null
+++ b/arch/mips/fw/lib/cmdline.c
@@ -0,0 +1,101 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
7 */
8#include <linux/init.h>
9#include <linux/kernel.h>
10#include <linux/string.h>
11
12#include <asm/addrspace.h>
13#include <asm/fw/fw.h>
14
15int fw_argc;
16int *_fw_argv;
17int *_fw_envp;
18
19void __init fw_init_cmdline(void)
20{
21 int i;
22
23 /* Validate command line parameters. */
24 if ((fw_arg0 >= CKSEG0) || (fw_arg1 < CKSEG0)) {
25 fw_argc = 0;
26 _fw_argv = NULL;
27 } else {
28 fw_argc = (fw_arg0 & 0x0000ffff);
29 _fw_argv = (int *)fw_arg1;
30 }
31
32 /* Validate environment pointer. */
33 if (fw_arg2 < CKSEG0)
34 _fw_envp = NULL;
35 else
36 _fw_envp = (int *)fw_arg2;
37
38 for (i = 1; i < fw_argc; i++) {
39 strlcat(arcs_cmdline, fw_argv(i), COMMAND_LINE_SIZE);
40 if (i < (fw_argc - 1))
41 strlcat(arcs_cmdline, " ", COMMAND_LINE_SIZE);
42 }
43}
44
45char * __init fw_getcmdline(void)
46{
47 return &(arcs_cmdline[0]);
48}
49
50char *fw_getenv(char *envname)
51{
52 char *result = NULL;
53
54 if (_fw_envp != NULL) {
55 /*
56 * Return a pointer to the given environment variable.
57 * YAMON uses "name", "value" pairs, while U-Boot uses
58 * "name=value".
59 */
60 int i, yamon, index = 0;
61
62 yamon = (strchr(fw_envp(index), '=') == NULL);
63 i = strlen(envname);
64
65 while (fw_envp(index)) {
66 if (strncmp(envname, fw_envp(index), i) == 0) {
67 if (yamon) {
68 result = fw_envp(index + 1);
69 break;
70 } else if (fw_envp(index)[i] == '=') {
71 result = (fw_envp(index + 1) + i);
72 break;
73 }
74 }
75
76 /* Increment array index. */
77 if (yamon)
78 index += 2;
79 else
80 index += 1;
81 }
82 }
83
84 return result;
85}
86
87unsigned long fw_getenvl(char *envname)
88{
89 unsigned long envl = 0UL;
90 char *str;
91 long val;
92 int tmp;
93
94 str = fw_getenv(envname);
95 if (str) {
96 tmp = kstrtol(str, 0, &val);
97 envl = (unsigned long)val;
98 }
99
100 return envl;
101}
diff --git a/arch/mips/include/asm/asm.h b/arch/mips/include/asm/asm.h
index 164a21e65b42..879691d194af 100644
--- a/arch/mips/include/asm/asm.h
+++ b/arch/mips/include/asm/asm.h
@@ -296,6 +296,7 @@ symbol = value
296#define LONG_SUBU subu 296#define LONG_SUBU subu
297#define LONG_L lw 297#define LONG_L lw
298#define LONG_S sw 298#define LONG_S sw
299#define LONG_SP swp
299#define LONG_SLL sll 300#define LONG_SLL sll
300#define LONG_SLLV sllv 301#define LONG_SLLV sllv
301#define LONG_SRL srl 302#define LONG_SRL srl
@@ -318,6 +319,7 @@ symbol = value
318#define LONG_SUBU dsubu 319#define LONG_SUBU dsubu
319#define LONG_L ld 320#define LONG_L ld
320#define LONG_S sd 321#define LONG_S sd
322#define LONG_SP sdp
321#define LONG_SLL dsll 323#define LONG_SLL dsll
322#define LONG_SLLV dsllv 324#define LONG_SLLV dsllv
323#define LONG_SRL dsrl 325#define LONG_SRL dsrl
diff --git a/arch/mips/include/asm/branch.h b/arch/mips/include/asm/branch.h
index 888766ae1f85..e28a3e0eb3cb 100644
--- a/arch/mips/include/asm/branch.h
+++ b/arch/mips/include/asm/branch.h
@@ -11,6 +11,14 @@
11#include <asm/ptrace.h> 11#include <asm/ptrace.h>
12#include <asm/inst.h> 12#include <asm/inst.h>
13 13
14extern int __isa_exception_epc(struct pt_regs *regs);
15extern int __compute_return_epc(struct pt_regs *regs);
16extern int __compute_return_epc_for_insn(struct pt_regs *regs,
17 union mips_instruction insn);
18extern int __microMIPS_compute_return_epc(struct pt_regs *regs);
19extern int __MIPS16e_compute_return_epc(struct pt_regs *regs);
20
21
14static inline int delay_slot(struct pt_regs *regs) 22static inline int delay_slot(struct pt_regs *regs)
15{ 23{
16 return regs->cp0_cause & CAUSEF_BD; 24 return regs->cp0_cause & CAUSEF_BD;
@@ -18,20 +26,27 @@ static inline int delay_slot(struct pt_regs *regs)
18 26
19static inline unsigned long exception_epc(struct pt_regs *regs) 27static inline unsigned long exception_epc(struct pt_regs *regs)
20{ 28{
21 if (!delay_slot(regs)) 29 if (likely(!delay_slot(regs)))
22 return regs->cp0_epc; 30 return regs->cp0_epc;
23 31
32 if (get_isa16_mode(regs->cp0_epc))
33 return __isa_exception_epc(regs);
34
24 return regs->cp0_epc + 4; 35 return regs->cp0_epc + 4;
25} 36}
26 37
27#define BRANCH_LIKELY_TAKEN 0x0001 38#define BRANCH_LIKELY_TAKEN 0x0001
28 39
29extern int __compute_return_epc(struct pt_regs *regs);
30extern int __compute_return_epc_for_insn(struct pt_regs *regs,
31 union mips_instruction insn);
32
33static inline int compute_return_epc(struct pt_regs *regs) 40static inline int compute_return_epc(struct pt_regs *regs)
34{ 41{
42 if (get_isa16_mode(regs->cp0_epc)) {
43 if (cpu_has_mmips)
44 return __microMIPS_compute_return_epc(regs);
45 if (cpu_has_mips16)
46 return __MIPS16e_compute_return_epc(regs);
47 return regs->cp0_epc;
48 }
49
35 if (!delay_slot(regs)) { 50 if (!delay_slot(regs)) {
36 regs->cp0_epc += 4; 51 regs->cp0_epc += 4;
37 return 0; 52 return 0;
@@ -40,4 +55,19 @@ static inline int compute_return_epc(struct pt_regs *regs)
40 return __compute_return_epc(regs); 55 return __compute_return_epc(regs);
41} 56}
42 57
58static inline int MIPS16e_compute_return_epc(struct pt_regs *regs,
59 union mips16e_instruction *inst)
60{
61 if (likely(!delay_slot(regs))) {
62 if (inst->ri.opcode == MIPS16e_extend_op) {
63 regs->cp0_epc += 4;
64 return 0;
65 }
66 regs->cp0_epc += 2;
67 return 0;
68 }
69
70 return __MIPS16e_compute_return_epc(regs);
71}
72
43#endif /* _ASM_BRANCH_H */ 73#endif /* _ASM_BRANCH_H */
diff --git a/arch/mips/include/asm/dma-coherence.h b/arch/mips/include/asm/dma-coherence.h
new file mode 100644
index 000000000000..242cbb3ca582
--- /dev/null
+++ b/arch/mips/include/asm/dma-coherence.h
@@ -0,0 +1,15 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
7 *
8 */
9#ifndef __ASM_DMA_COHERENCE_H
10#define __ASM_DMA_COHERENCE_H
11
12extern int coherentio;
13extern int hw_coherentio;
14
15#endif
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index f8fc74b6cb47..84238c574d5e 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -2,6 +2,7 @@
2#define _ASM_DMA_MAPPING_H 2#define _ASM_DMA_MAPPING_H
3 3
4#include <asm/scatterlist.h> 4#include <asm/scatterlist.h>
5#include <asm/dma-coherence.h>
5#include <asm/cache.h> 6#include <asm/cache.h>
6#include <asm-generic/dma-coherent.h> 7#include <asm-generic/dma-coherent.h>
7 8
diff --git a/arch/mips/include/asm/fpu_emulator.h b/arch/mips/include/asm/fpu_emulator.h
index 3b4092705567..2abb587d5ab4 100644
--- a/arch/mips/include/asm/fpu_emulator.h
+++ b/arch/mips/include/asm/fpu_emulator.h
@@ -54,6 +54,12 @@ do { \
54extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir, 54extern int mips_dsemul(struct pt_regs *regs, mips_instruction ir,
55 unsigned long cpc); 55 unsigned long cpc);
56extern int do_dsemulret(struct pt_regs *xcp); 56extern int do_dsemulret(struct pt_regs *xcp);
57extern int fpu_emulator_cop1Handler(struct pt_regs *xcp,
58 struct mips_fpu_struct *ctx, int has_fpu,
59 void *__user *fault_addr);
60int process_fpemu_return(int sig, void __user *fault_addr);
61int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
62 unsigned long *contpc);
57 63
58/* 64/*
59 * Instruction inserted following the badinst to further tag the sequence 65 * Instruction inserted following the badinst to further tag the sequence
diff --git a/arch/mips/include/asm/fw/fw.h b/arch/mips/include/asm/fw/fw.h
new file mode 100644
index 000000000000..d6c50a7e9ede
--- /dev/null
+++ b/arch/mips/include/asm/fw/fw.h
@@ -0,0 +1,47 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2012 MIPS Technologies, Inc.
7 */
8#ifndef __ASM_FW_H_
9#define __ASM_FW_H_
10
11#include <asm/bootinfo.h> /* For cleaner code... */
12
13enum fw_memtypes {
14 fw_dontuse,
15 fw_code,
16 fw_free,
17};
18
19typedef struct {
20 unsigned long base; /* Within KSEG0 */
21 unsigned int size; /* bytes */
22 enum fw_memtypes type; /* fw_memtypes */
23} fw_memblock_t;
24
25/* Maximum number of memory block descriptors. */
26#define FW_MAX_MEMBLOCKS 32
27
28extern int fw_argc;
29extern int *_fw_argv;
30extern int *_fw_envp;
31
32/*
33 * Most firmware like YAMON, PMON, etc. pass arguments and environment
34 * variables as 32-bit pointers. These take care of sign extension.
35 */
36#define fw_argv(index) ((char *)(long)_fw_argv[(index)])
37#define fw_envp(index) ((char *)(long)_fw_envp[(index)])
38
39extern void fw_init_cmdline(void);
40extern char *fw_getcmdline(void);
41extern fw_memblock_t *fw_getmdesc(void);
42extern void fw_meminit(void);
43extern char *fw_getenv(char *name);
44extern unsigned long fw_getenvl(char *name);
45extern void fw_init_early_console(char port);
46
47#endif /* __ASM_FW_H_ */
diff --git a/arch/mips/include/asm/gic.h b/arch/mips/include/asm/gic.h
index bdc9786ab5a7..7153b32de18e 100644
--- a/arch/mips/include/asm/gic.h
+++ b/arch/mips/include/asm/gic.h
@@ -202,7 +202,7 @@
202#define GIC_VPE_WD_COUNT0_OFS 0x0094 202#define GIC_VPE_WD_COUNT0_OFS 0x0094
203#define GIC_VPE_WD_INITIAL0_OFS 0x0098 203#define GIC_VPE_WD_INITIAL0_OFS 0x0098
204#define GIC_VPE_COMPARE_LO_OFS 0x00a0 204#define GIC_VPE_COMPARE_LO_OFS 0x00a0
205#define GIC_VPE_COMPARE_HI 0x00a4 205#define GIC_VPE_COMPARE_HI_OFS 0x00a4
206 206
207#define GIC_VPE_EIC_SHADOW_SET_BASE 0x0100 207#define GIC_VPE_EIC_SHADOW_SET_BASE 0x0100
208#define GIC_VPE_EIC_SS(intr) \ 208#define GIC_VPE_EIC_SS(intr) \
@@ -359,7 +359,11 @@ struct gic_shared_intr_map {
359/* Mapped interrupt to pin X, then GIC will generate the vector (X+1). */ 359/* Mapped interrupt to pin X, then GIC will generate the vector (X+1). */
360#define GIC_PIN_TO_VEC_OFFSET (1) 360#define GIC_PIN_TO_VEC_OFFSET (1)
361 361
362extern int gic_present; 362#include <linux/clocksource.h>
363#include <linux/irq.h>
364
365extern unsigned int gic_present;
366extern unsigned int gic_frequency;
363extern unsigned long _gic_base; 367extern unsigned long _gic_base;
364extern unsigned int gic_irq_base; 368extern unsigned int gic_irq_base;
365extern unsigned int gic_irq_flags[]; 369extern unsigned int gic_irq_flags[];
@@ -368,18 +372,20 @@ extern struct gic_shared_intr_map gic_shared_intr_map[];
368extern void gic_init(unsigned long gic_base_addr, 372extern void gic_init(unsigned long gic_base_addr,
369 unsigned long gic_addrspace_size, struct gic_intr_map *intrmap, 373 unsigned long gic_addrspace_size, struct gic_intr_map *intrmap,
370 unsigned int intrmap_size, unsigned int irqbase); 374 unsigned int intrmap_size, unsigned int irqbase);
371
372extern void gic_clocksource_init(unsigned int); 375extern void gic_clocksource_init(unsigned int);
373extern unsigned int gic_get_int(void); 376extern unsigned int gic_compare_int (void);
377extern cycle_t gic_read_count(void);
378extern cycle_t gic_read_compare(void);
379extern void gic_write_compare(cycle_t cnt);
374extern void gic_send_ipi(unsigned int intr); 380extern void gic_send_ipi(unsigned int intr);
375extern unsigned int plat_ipi_call_int_xlate(unsigned int); 381extern unsigned int plat_ipi_call_int_xlate(unsigned int);
376extern unsigned int plat_ipi_resched_int_xlate(unsigned int); 382extern unsigned int plat_ipi_resched_int_xlate(unsigned int);
377extern void gic_bind_eic_interrupt(int irq, int set); 383extern void gic_bind_eic_interrupt(int irq, int set);
378extern unsigned int gic_get_timer_pending(void); 384extern unsigned int gic_get_timer_pending(void);
385extern unsigned int gic_get_int(void);
379extern void gic_enable_interrupt(int irq_vec); 386extern void gic_enable_interrupt(int irq_vec);
380extern void gic_disable_interrupt(int irq_vec); 387extern void gic_disable_interrupt(int irq_vec);
381extern void gic_irq_ack(struct irq_data *d); 388extern void gic_irq_ack(struct irq_data *d);
382extern void gic_finish_irq(struct irq_data *d); 389extern void gic_finish_irq(struct irq_data *d);
383extern void gic_platform_init(int irqs, struct irq_chip *irq_controller); 390extern void gic_platform_init(int irqs, struct irq_chip *irq_controller);
384
385#endif /* _ASM_GICREGS_H */ 391#endif /* _ASM_GICREGS_H */
diff --git a/arch/mips/include/asm/inst.h b/arch/mips/include/asm/inst.h
index f1eadf764071..22912f78401c 100644
--- a/arch/mips/include/asm/inst.h
+++ b/arch/mips/include/asm/inst.h
@@ -73,4 +73,16 @@
73 73
74typedef unsigned int mips_instruction; 74typedef unsigned int mips_instruction;
75 75
76/* microMIPS instruction decode structure. Do NOT export!!! */
77struct mm_decoded_insn {
78 mips_instruction insn;
79 mips_instruction next_insn;
80 int pc_inc;
81 int next_pc_inc;
82 int micro_mips_mode;
83};
84
85/* Recode table from 16-bit register notation to 32-bit GPR. Do NOT export!!! */
86extern const int reg16to32[];
87
76#endif /* _ASM_INST_H */ 88#endif /* _ASM_INST_H */
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h
index 143875c6c95a..e68781e18387 100644
--- a/arch/mips/include/asm/kvm_host.h
+++ b/arch/mips/include/asm/kvm_host.h
@@ -336,7 +336,7 @@ enum emulation_result {
336#define VPN2_MASK 0xffffe000 336#define VPN2_MASK 0xffffe000
337#define TLB_IS_GLOBAL(x) (((x).tlb_lo0 & MIPS3_PG_G) && ((x).tlb_lo1 & MIPS3_PG_G)) 337#define TLB_IS_GLOBAL(x) (((x).tlb_lo0 & MIPS3_PG_G) && ((x).tlb_lo1 & MIPS3_PG_G))
338#define TLB_VPN2(x) ((x).tlb_hi & VPN2_MASK) 338#define TLB_VPN2(x) ((x).tlb_hi & VPN2_MASK)
339#define TLB_ASID(x) ((x).tlb_hi & ASID_MASK) 339#define TLB_ASID(x) (ASID_MASK((x).tlb_hi))
340#define TLB_IS_VALID(x, va) (((va) & (1 << PAGE_SHIFT)) ? ((x).tlb_lo1 & MIPS3_PG_V) : ((x).tlb_lo0 & MIPS3_PG_V)) 340#define TLB_IS_VALID(x, va) (((va) & (1 << PAGE_SHIFT)) ? ((x).tlb_lo1 & MIPS3_PG_V) : ((x).tlb_lo0 & MIPS3_PG_V))
341 341
342struct kvm_mips_tlb { 342struct kvm_mips_tlb {
diff --git a/arch/mips/include/asm/mach-generic/dma-coherence.h b/arch/mips/include/asm/mach-generic/dma-coherence.h
index 9c95177f7a7e..fe23034aaf72 100644
--- a/arch/mips/include/asm/mach-generic/dma-coherence.h
+++ b/arch/mips/include/asm/mach-generic/dma-coherence.h
@@ -61,9 +61,8 @@ static inline int plat_device_is_coherent(struct device *dev)
61{ 61{
62#ifdef CONFIG_DMA_COHERENT 62#ifdef CONFIG_DMA_COHERENT
63 return 1; 63 return 1;
64#endif 64#else
65#ifdef CONFIG_DMA_NONCOHERENT 65 return coherentio;
66 return 0;
67#endif 66#endif
68} 67}
69 68
diff --git a/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h b/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
index 193c0912d38e..bfbd7035d4c5 100644
--- a/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-sead3/cpu-feature-overrides.h
@@ -28,7 +28,11 @@
28/* #define cpu_has_prefetch ? */ 28/* #define cpu_has_prefetch ? */
29#define cpu_has_mcheck 1 29#define cpu_has_mcheck 1
30/* #define cpu_has_ejtag ? */ 30/* #define cpu_has_ejtag ? */
31#ifdef CONFIG_CPU_MICROMIPS
32#define cpu_has_llsc 0
33#else
31#define cpu_has_llsc 1 34#define cpu_has_llsc 1
35#endif
32/* #define cpu_has_vtag_icache ? */ 36/* #define cpu_has_vtag_icache ? */
33/* #define cpu_has_dc_aliases ? */ 37/* #define cpu_has_dc_aliases ? */
34/* #define cpu_has_ic_fills_f_dc ? */ 38/* #define cpu_has_ic_fills_f_dc ? */
diff --git a/arch/mips/include/asm/mips-boards/generic.h b/arch/mips/include/asm/mips-boards/generic.h
index 44a09a64160a..bd9746fbe4af 100644
--- a/arch/mips/include/asm/mips-boards/generic.h
+++ b/arch/mips/include/asm/mips-boards/generic.h
@@ -83,4 +83,7 @@ extern void mips_pcibios_init(void);
83#define mips_pcibios_init() do { } while (0) 83#define mips_pcibios_init() do { } while (0)
84#endif 84#endif
85 85
86extern void mips_scroll_message(void);
87extern void mips_display_message(const char *str);
88
86#endif /* __ASM_MIPS_BOARDS_GENERIC_H */ 89#endif /* __ASM_MIPS_BOARDS_GENERIC_H */
diff --git a/arch/mips/include/asm/mips-boards/prom.h b/arch/mips/include/asm/mips-boards/prom.h
deleted file mode 100644
index e7aed3e4ff58..000000000000
--- a/arch/mips/include/asm/mips-boards/prom.h
+++ /dev/null
@@ -1,47 +0,0 @@
1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved.
4 *
5 * ########################################################################
6 *
7 * This program is free software; you can distribute it and/or modify it
8 * under the terms of the GNU General Public License (Version 2) as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
19 *
20 * ########################################################################
21 *
22 * MIPS boards bootprom interface for the Linux kernel.
23 *
24 */
25
26#ifndef _MIPS_PROM_H
27#define _MIPS_PROM_H
28
29extern char *prom_getcmdline(void);
30extern char *prom_getenv(char *name);
31extern void prom_init_cmdline(void);
32extern void prom_meminit(void);
33extern void prom_fixup_mem_map(unsigned long start_mem, unsigned long end_mem);
34extern void mips_display_message(const char *str);
35extern void mips_display_word(unsigned int num);
36extern void mips_scroll_message(void);
37extern int get_ethernet_addr(char *ethernet_addr);
38
39/* Memory descriptor management. */
40#define PROM_MAX_PMEMBLOCKS 32
41struct prom_pmemblock {
42 unsigned long base; /* Within KSEG0. */
43 unsigned int size; /* In bytes. */
44 unsigned int type; /* free or prom memory */
45};
46
47#endif /* !(_MIPS_PROM_H) */
diff --git a/arch/mips/include/asm/mipsregs.h b/arch/mips/include/asm/mipsregs.h
index 0da44d422f5b..87e6207b05e4 100644
--- a/arch/mips/include/asm/mipsregs.h
+++ b/arch/mips/include/asm/mipsregs.h
@@ -596,6 +596,7 @@
596#define MIPS_CONF3_RXI (_ULCAST_(1) << 12) 596#define MIPS_CONF3_RXI (_ULCAST_(1) << 12)
597#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) 597#define MIPS_CONF3_ULRI (_ULCAST_(1) << 13)
598#define MIPS_CONF3_ISA (_ULCAST_(3) << 14) 598#define MIPS_CONF3_ISA (_ULCAST_(3) << 14)
599#define MIPS_CONF3_ISA_OE (_ULCAST_(3) << 16)
599#define MIPS_CONF3_VZ (_ULCAST_(1) << 23) 600#define MIPS_CONF3_VZ (_ULCAST_(1) << 23)
600 601
601#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) 602#define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0)
@@ -623,6 +624,24 @@
623#ifndef __ASSEMBLY__ 624#ifndef __ASSEMBLY__
624 625
625/* 626/*
627 * Macros for handling the ISA mode bit for microMIPS.
628 */
629#define get_isa16_mode(x) ((x) & 0x1)
630#define msk_isa16_mode(x) ((x) & ~0x1)
631#define set_isa16_mode(x) do { (x) |= 0x1; } while(0)
632
633/*
634 * microMIPS instructions can be 16-bit or 32-bit in length. This
635 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
636 */
637static inline int mm_insn_16bit(u16 insn)
638{
639 u16 opcode = (insn >> 10) & 0x7;
640
641 return (opcode >= 1 && opcode <= 3) ? 1 : 0;
642}
643
644/*
626 * Functions to access the R10000 performance counters. These are basically 645 * Functions to access the R10000 performance counters. These are basically
627 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit 646 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
628 * performance counter number encoded into bits 1 ... 5 of the instruction. 647 * performance counter number encoded into bits 1 ... 5 of the instruction.
diff --git a/arch/mips/include/asm/mmu_context.h b/arch/mips/include/asm/mmu_context.h
index 820116067c10..1554721e4808 100644
--- a/arch/mips/include/asm/mmu_context.h
+++ b/arch/mips/include/asm/mmu_context.h
@@ -67,45 +67,68 @@ extern unsigned long pgd_current[];
67 TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir) 67 TLBMISS_HANDLER_SETUP_PGD(swapper_pg_dir)
68#endif 68#endif
69#endif /* CONFIG_MIPS_PGD_C0_CONTEXT*/ 69#endif /* CONFIG_MIPS_PGD_C0_CONTEXT*/
70#if defined(CONFIG_CPU_R3000) || defined(CONFIG_CPU_TX39XX)
71 70
72#define ASID_INC 0x40 71#define ASID_INC(asid) \
73#define ASID_MASK 0xfc0 72({ \
74 73 unsigned long __asid = asid; \
75#elif defined(CONFIG_CPU_R8000) 74 __asm__("1:\taddiu\t%0,1\t\t\t\t# patched\n\t" \
76 75 ".section\t__asid_inc,\"a\"\n\t" \
77#define ASID_INC 0x10 76 ".word\t1b\n\t" \
78#define ASID_MASK 0xff0 77 ".previous" \
79 78 :"=r" (__asid) \
80#elif defined(CONFIG_MIPS_MT_SMTC) 79 :"0" (__asid)); \
81 80 __asid; \
82#define ASID_INC 0x1 81})
83extern unsigned long smtc_asid_mask; 82#define ASID_MASK(asid) \
84#define ASID_MASK (smtc_asid_mask) 83({ \
85#define HW_ASID_MASK 0xff 84 unsigned long __asid = asid; \
86/* End SMTC/34K debug hack */ 85 __asm__("1:\tandi\t%0,%1,0xfc0\t\t\t# patched\n\t" \
87#else /* FIXME: not correct for R6000 */ 86 ".section\t__asid_mask,\"a\"\n\t" \
88 87 ".word\t1b\n\t" \
89#define ASID_INC 0x1 88 ".previous" \
90#define ASID_MASK 0xff 89 :"=r" (__asid) \
90 :"r" (__asid)); \
91 __asid; \
92})
93#define ASID_VERSION_MASK \
94({ \
95 unsigned long __asid; \
96 __asm__("1:\taddiu\t%0,$0,0xff00\t\t\t\t# patched\n\t" \
97 ".section\t__asid_version_mask,\"a\"\n\t" \
98 ".word\t1b\n\t" \
99 ".previous" \
100 :"=r" (__asid)); \
101 __asid; \
102})
103#define ASID_FIRST_VERSION \
104({ \
105 unsigned long __asid = asid; \
106 __asm__("1:\tli\t%0,0x100\t\t\t\t# patched\n\t" \
107 ".section\t__asid_first_version,\"a\"\n\t" \
108 ".word\t1b\n\t" \
109 ".previous" \
110 :"=r" (__asid)); \
111 __asid; \
112})
113
114#define ASID_FIRST_VERSION_R3000 0x1000
115#define ASID_FIRST_VERSION_R4000 0x100
116#define ASID_FIRST_VERSION_R8000 0x1000
117#define ASID_FIRST_VERSION_RM9000 0x1000
91 118
119#ifdef CONFIG_MIPS_MT_SMTC
120#define SMTC_HW_ASID_MASK 0xff
121extern unsigned int smtc_asid_mask;
92#endif 122#endif
93 123
94#define cpu_context(cpu, mm) ((mm)->context.asid[cpu]) 124#define cpu_context(cpu, mm) ((mm)->context.asid[cpu])
95#define cpu_asid(cpu, mm) (cpu_context((cpu), (mm)) & ASID_MASK) 125#define cpu_asid(cpu, mm) ASID_MASK(cpu_context((cpu), (mm)))
96#define asid_cache(cpu) (cpu_data[cpu].asid_cache) 126#define asid_cache(cpu) (cpu_data[cpu].asid_cache)
97 127
98static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) 128static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk)
99{ 129{
100} 130}
101 131
102/*
103 * All unused by hardware upper bits will be considered
104 * as a software asid extension.
105 */
106#define ASID_VERSION_MASK ((unsigned long)~(ASID_MASK|(ASID_MASK-1)))
107#define ASID_FIRST_VERSION ((unsigned long)(~ASID_VERSION_MASK) + 1)
108
109#ifndef CONFIG_MIPS_MT_SMTC 132#ifndef CONFIG_MIPS_MT_SMTC
110/* Normal, classic MIPS get_new_mmu_context */ 133/* Normal, classic MIPS get_new_mmu_context */
111static inline void 134static inline void
@@ -114,7 +137,7 @@ get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
114 extern void kvm_local_flush_tlb_all(void); 137 extern void kvm_local_flush_tlb_all(void);
115 unsigned long asid = asid_cache(cpu); 138 unsigned long asid = asid_cache(cpu);
116 139
117 if (! ((asid += ASID_INC) & ASID_MASK) ) { 140 if (!ASID_MASK((asid = ASID_INC(asid)))) {
118 if (cpu_has_vtag_icache) 141 if (cpu_has_vtag_icache)
119 flush_icache_all(); 142 flush_icache_all();
120#ifdef CONFIG_VIRTUALIZATION 143#ifdef CONFIG_VIRTUALIZATION
@@ -177,7 +200,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
177 * free up the ASID value for use and flush any old 200 * free up the ASID value for use and flush any old
178 * instances of it from the TLB. 201 * instances of it from the TLB.
179 */ 202 */
180 oldasid = (read_c0_entryhi() & ASID_MASK); 203 oldasid = ASID_MASK(read_c0_entryhi());
181 if(smtc_live_asid[mytlb][oldasid]) { 204 if(smtc_live_asid[mytlb][oldasid]) {
182 smtc_live_asid[mytlb][oldasid] &= ~(0x1 << cpu); 205 smtc_live_asid[mytlb][oldasid] &= ~(0x1 << cpu);
183 if(smtc_live_asid[mytlb][oldasid] == 0) 206 if(smtc_live_asid[mytlb][oldasid] == 0)
@@ -188,7 +211,7 @@ static inline void switch_mm(struct mm_struct *prev, struct mm_struct *next,
188 * having ASID_MASK smaller than the hardware maximum, 211 * having ASID_MASK smaller than the hardware maximum,
189 * make sure no "soft" bits become "hard"... 212 * make sure no "soft" bits become "hard"...
190 */ 213 */
191 write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) | 214 write_c0_entryhi((read_c0_entryhi() & ~SMTC_HW_ASID_MASK) |
192 cpu_asid(cpu, next)); 215 cpu_asid(cpu, next));
193 ehb(); /* Make sure it propagates to TCStatus */ 216 ehb(); /* Make sure it propagates to TCStatus */
194 evpe(mtflags); 217 evpe(mtflags);
@@ -241,15 +264,15 @@ activate_mm(struct mm_struct *prev, struct mm_struct *next)
241#ifdef CONFIG_MIPS_MT_SMTC 264#ifdef CONFIG_MIPS_MT_SMTC
242 /* See comments for similar code above */ 265 /* See comments for similar code above */
243 mtflags = dvpe(); 266 mtflags = dvpe();
244 oldasid = read_c0_entryhi() & ASID_MASK; 267 oldasid = ASID_MASK(read_c0_entryhi());
245 if(smtc_live_asid[mytlb][oldasid]) { 268 if(smtc_live_asid[mytlb][oldasid]) {
246 smtc_live_asid[mytlb][oldasid] &= ~(0x1 << cpu); 269 smtc_live_asid[mytlb][oldasid] &= ~(0x1 << cpu);
247 if(smtc_live_asid[mytlb][oldasid] == 0) 270 if(smtc_live_asid[mytlb][oldasid] == 0)
248 smtc_flush_tlb_asid(oldasid); 271 smtc_flush_tlb_asid(oldasid);
249 } 272 }
250 /* See comments for similar code above */ 273 /* See comments for similar code above */
251 write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) | 274 write_c0_entryhi((read_c0_entryhi() & ~SMTC_HW_ASID_MASK) |
252 cpu_asid(cpu, next)); 275 cpu_asid(cpu, next));
253 ehb(); /* Make sure it propagates to TCStatus */ 276 ehb(); /* Make sure it propagates to TCStatus */
254 evpe(mtflags); 277 evpe(mtflags);
255#else 278#else
@@ -286,14 +309,14 @@ drop_mmu_context(struct mm_struct *mm, unsigned cpu)
286#ifdef CONFIG_MIPS_MT_SMTC 309#ifdef CONFIG_MIPS_MT_SMTC
287 /* See comments for similar code above */ 310 /* See comments for similar code above */
288 prevvpe = dvpe(); 311 prevvpe = dvpe();
289 oldasid = (read_c0_entryhi() & ASID_MASK); 312 oldasid = ASID_MASK(read_c0_entryhi());
290 if (smtc_live_asid[mytlb][oldasid]) { 313 if (smtc_live_asid[mytlb][oldasid]) {
291 smtc_live_asid[mytlb][oldasid] &= ~(0x1 << cpu); 314 smtc_live_asid[mytlb][oldasid] &= ~(0x1 << cpu);
292 if(smtc_live_asid[mytlb][oldasid] == 0) 315 if(smtc_live_asid[mytlb][oldasid] == 0)
293 smtc_flush_tlb_asid(oldasid); 316 smtc_flush_tlb_asid(oldasid);
294 } 317 }
295 /* See comments for similar code above */ 318 /* See comments for similar code above */
296 write_c0_entryhi((read_c0_entryhi() & ~HW_ASID_MASK) 319 write_c0_entryhi((read_c0_entryhi() & ~SMTC_HW_ASID_MASK)
297 | cpu_asid(cpu, mm)); 320 | cpu_asid(cpu, mm));
298 ehb(); /* Make sure it propagates to TCStatus */ 321 ehb(); /* Make sure it propagates to TCStatus */
299 evpe(prevvpe); 322 evpe(prevvpe);
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index c99384018161..a89d1b10d027 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -139,7 +139,7 @@
1391: move ra, k0 1391: move ra, k0
140 li k0, 3 140 li k0, 3
141 mtc0 k0, $22 141 mtc0 k0, $22
142#endif /* CONFIG_CPU_LOONGSON2F */ 142#endif /* CONFIG_CPU_JUMP_WORKAROUNDS */
143#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32) 143#if defined(CONFIG_32BIT) || defined(KBUILD_64BIT_SYM32)
144 lui k1, %hi(kernelsp) 144 lui k1, %hi(kernelsp)
145#else 145#else
@@ -189,6 +189,7 @@
189 LONG_S $0, PT_R0(sp) 189 LONG_S $0, PT_R0(sp)
190 mfc0 v1, CP0_STATUS 190 mfc0 v1, CP0_STATUS
191 LONG_S $2, PT_R2(sp) 191 LONG_S $2, PT_R2(sp)
192 LONG_S v1, PT_STATUS(sp)
192#ifdef CONFIG_MIPS_MT_SMTC 193#ifdef CONFIG_MIPS_MT_SMTC
193 /* 194 /*
194 * Ideally, these instructions would be shuffled in 195 * Ideally, these instructions would be shuffled in
@@ -200,21 +201,20 @@
200 LONG_S k0, PT_TCSTATUS(sp) 201 LONG_S k0, PT_TCSTATUS(sp)
201#endif /* CONFIG_MIPS_MT_SMTC */ 202#endif /* CONFIG_MIPS_MT_SMTC */
202 LONG_S $4, PT_R4(sp) 203 LONG_S $4, PT_R4(sp)
203 LONG_S $5, PT_R5(sp)
204 LONG_S v1, PT_STATUS(sp)
205 mfc0 v1, CP0_CAUSE 204 mfc0 v1, CP0_CAUSE
206 LONG_S $6, PT_R6(sp) 205 LONG_S $5, PT_R5(sp)
207 LONG_S $7, PT_R7(sp)
208 LONG_S v1, PT_CAUSE(sp) 206 LONG_S v1, PT_CAUSE(sp)
207 LONG_S $6, PT_R6(sp)
209 MFC0 v1, CP0_EPC 208 MFC0 v1, CP0_EPC
209 LONG_S $7, PT_R7(sp)
210#ifdef CONFIG_64BIT 210#ifdef CONFIG_64BIT
211 LONG_S $8, PT_R8(sp) 211 LONG_S $8, PT_R8(sp)
212 LONG_S $9, PT_R9(sp) 212 LONG_S $9, PT_R9(sp)
213#endif 213#endif
214 LONG_S v1, PT_EPC(sp)
214 LONG_S $25, PT_R25(sp) 215 LONG_S $25, PT_R25(sp)
215 LONG_S $28, PT_R28(sp) 216 LONG_S $28, PT_R28(sp)
216 LONG_S $31, PT_R31(sp) 217 LONG_S $31, PT_R31(sp)
217 LONG_S v1, PT_EPC(sp)
218 ori $28, sp, _THREAD_MASK 218 ori $28, sp, _THREAD_MASK
219 xori $28, _THREAD_MASK 219 xori $28, _THREAD_MASK
220#ifdef CONFIG_CPU_CAVIUM_OCTEON 220#ifdef CONFIG_CPU_CAVIUM_OCTEON
diff --git a/arch/mips/include/asm/time.h b/arch/mips/include/asm/time.h
index debc8009bd58..2d7b9df4542d 100644
--- a/arch/mips/include/asm/time.h
+++ b/arch/mips/include/asm/time.h
@@ -52,13 +52,15 @@ extern int (*perf_irq)(void);
52 */ 52 */
53extern unsigned int __weak get_c0_compare_int(void); 53extern unsigned int __weak get_c0_compare_int(void);
54extern int r4k_clockevent_init(void); 54extern int r4k_clockevent_init(void);
55extern int smtc_clockevent_init(void);
56extern int gic_clockevent_init(void);
55 57
56static inline int mips_clockevent_init(void) 58static inline int mips_clockevent_init(void)
57{ 59{
58#ifdef CONFIG_MIPS_MT_SMTC 60#ifdef CONFIG_MIPS_MT_SMTC
59 extern int smtc_clockevent_init(void);
60
61 return smtc_clockevent_init(); 61 return smtc_clockevent_init();
62#elif defined(CONFIG_CEVT_GIC)
63 return (gic_clockevent_init() | r4k_clockevent_init());
62#elif defined(CONFIG_CEVT_R4K) 64#elif defined(CONFIG_CEVT_R4K)
63 return r4k_clockevent_init(); 65 return r4k_clockevent_init();
64#else 66#else
@@ -69,9 +71,7 @@ static inline int mips_clockevent_init(void)
69/* 71/*
70 * Initialize the count register as a clocksource 72 * Initialize the count register as a clocksource
71 */ 73 */
72#ifdef CONFIG_CSRC_R4K
73extern int init_r4k_clocksource(void); 74extern int init_r4k_clocksource(void);
74#endif
75 75
76static inline int init_mips_clocksource(void) 76static inline int init_mips_clocksource(void)
77{ 77{
diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h
index b46caab453a5..f3fa3750f577 100644
--- a/arch/mips/include/asm/uaccess.h
+++ b/arch/mips/include/asm/uaccess.h
@@ -270,6 +270,7 @@ do { \
270 __asm__ __volatile__( \ 270 __asm__ __volatile__( \
271 "1: " insn " %1, %3 \n" \ 271 "1: " insn " %1, %3 \n" \
272 "2: \n" \ 272 "2: \n" \
273 " .insn \n" \
273 " .section .fixup,\"ax\" \n" \ 274 " .section .fixup,\"ax\" \n" \
274 "3: li %0, %4 \n" \ 275 "3: li %0, %4 \n" \
275 " j 2b \n" \ 276 " j 2b \n" \
@@ -296,7 +297,9 @@ do { \
296 __asm__ __volatile__( \ 297 __asm__ __volatile__( \
297 "1: lw %1, (%3) \n" \ 298 "1: lw %1, (%3) \n" \
298 "2: lw %D1, 4(%3) \n" \ 299 "2: lw %D1, 4(%3) \n" \
299 "3: .section .fixup,\"ax\" \n" \ 300 "3: \n" \
301 " .insn \n" \
302 " .section .fixup,\"ax\" \n" \
300 "4: li %0, %4 \n" \ 303 "4: li %0, %4 \n" \
301 " move %1, $0 \n" \ 304 " move %1, $0 \n" \
302 " move %D1, $0 \n" \ 305 " move %D1, $0 \n" \
@@ -364,6 +367,7 @@ do { \
364 __asm__ __volatile__( \ 367 __asm__ __volatile__( \
365 "1: " insn " %z2, %3 # __put_user_asm\n" \ 368 "1: " insn " %z2, %3 # __put_user_asm\n" \
366 "2: \n" \ 369 "2: \n" \
370 " .insn \n" \
367 " .section .fixup,\"ax\" \n" \ 371 " .section .fixup,\"ax\" \n" \
368 "3: li %0, %4 \n" \ 372 "3: li %0, %4 \n" \
369 " j 2b \n" \ 373 " j 2b \n" \
@@ -382,6 +386,7 @@ do { \
382 "1: sw %2, (%3) # __put_user_asm_ll32 \n" \ 386 "1: sw %2, (%3) # __put_user_asm_ll32 \n" \
383 "2: sw %D2, 4(%3) \n" \ 387 "2: sw %D2, 4(%3) \n" \
384 "3: \n" \ 388 "3: \n" \
389 " .insn \n" \
385 " .section .fixup,\"ax\" \n" \ 390 " .section .fixup,\"ax\" \n" \
386 "4: li %0, %4 \n" \ 391 "4: li %0, %4 \n" \
387 " j 3b \n" \ 392 " j 3b \n" \
@@ -533,6 +538,7 @@ do { \
533 __asm__ __volatile__( \ 538 __asm__ __volatile__( \
534 "1: " insn " %1, %3 \n" \ 539 "1: " insn " %1, %3 \n" \
535 "2: \n" \ 540 "2: \n" \
541 " .insn \n" \
536 " .section .fixup,\"ax\" \n" \ 542 " .section .fixup,\"ax\" \n" \
537 "3: li %0, %4 \n" \ 543 "3: li %0, %4 \n" \
538 " j 2b \n" \ 544 " j 2b \n" \
@@ -558,7 +564,9 @@ do { \
558 "1: ulw %1, (%3) \n" \ 564 "1: ulw %1, (%3) \n" \
559 "2: ulw %D1, 4(%3) \n" \ 565 "2: ulw %D1, 4(%3) \n" \
560 " move %0, $0 \n" \ 566 " move %0, $0 \n" \
561 "3: .section .fixup,\"ax\" \n" \ 567 "3: \n" \
568 " .insn \n" \
569 " .section .fixup,\"ax\" \n" \
562 "4: li %0, %4 \n" \ 570 "4: li %0, %4 \n" \
563 " move %1, $0 \n" \ 571 " move %1, $0 \n" \
564 " move %D1, $0 \n" \ 572 " move %D1, $0 \n" \
@@ -625,6 +633,7 @@ do { \
625 __asm__ __volatile__( \ 633 __asm__ __volatile__( \
626 "1: " insn " %z2, %3 # __put_user_unaligned_asm\n" \ 634 "1: " insn " %z2, %3 # __put_user_unaligned_asm\n" \
627 "2: \n" \ 635 "2: \n" \
636 " .insn \n" \
628 " .section .fixup,\"ax\" \n" \ 637 " .section .fixup,\"ax\" \n" \
629 "3: li %0, %4 \n" \ 638 "3: li %0, %4 \n" \
630 " j 2b \n" \ 639 " j 2b \n" \
@@ -643,6 +652,7 @@ do { \
643 "1: sw %2, (%3) # __put_user_unaligned_asm_ll32 \n" \ 652 "1: sw %2, (%3) # __put_user_unaligned_asm_ll32 \n" \
644 "2: sw %D2, 4(%3) \n" \ 653 "2: sw %D2, 4(%3) \n" \
645 "3: \n" \ 654 "3: \n" \
655 " .insn \n" \
646 " .section .fixup,\"ax\" \n" \ 656 " .section .fixup,\"ax\" \n" \
647 "4: li %0, %4 \n" \ 657 "4: li %0, %4 \n" \
648 " j 3b \n" \ 658 " j 3b \n" \
diff --git a/arch/mips/include/asm/uasm.h b/arch/mips/include/asm/uasm.h
index 058e941626a6..370d967725c2 100644
--- a/arch/mips/include/asm/uasm.h
+++ b/arch/mips/include/asm/uasm.h
@@ -6,7 +6,7 @@
6 * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer 6 * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer
7 * Copyright (C) 2005 Maciej W. Rozycki 7 * Copyright (C) 2005 Maciej W. Rozycki
8 * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) 8 * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org)
9 * Copyright (C) 2012 MIPS Technologies, Inc. 9 * Copyright (C) 2012, 2013 MIPS Technologies, Inc. All rights reserved.
10 */ 10 */
11 11
12#include <linux/types.h> 12#include <linux/types.h>
@@ -22,44 +22,75 @@
22#define UASM_EXPORT_SYMBOL(sym) 22#define UASM_EXPORT_SYMBOL(sym)
23#endif 23#endif
24 24
25#define _UASM_ISA_CLASSIC 0
26#define _UASM_ISA_MICROMIPS 1
27
28#ifndef UASM_ISA
29#ifdef CONFIG_CPU_MICROMIPS
30#define UASM_ISA _UASM_ISA_MICROMIPS
31#else
32#define UASM_ISA _UASM_ISA_CLASSIC
33#endif
34#endif
35
36#if (UASM_ISA == _UASM_ISA_CLASSIC)
37#ifdef CONFIG_CPU_MICROMIPS
38#define ISAOPC(op) CL_uasm_i##op
39#define ISAFUNC(x) CL_##x
40#else
41#define ISAOPC(op) uasm_i##op
42#define ISAFUNC(x) x
43#endif
44#elif (UASM_ISA == _UASM_ISA_MICROMIPS)
45#ifdef CONFIG_CPU_MICROMIPS
46#define ISAOPC(op) uasm_i##op
47#define ISAFUNC(x) x
48#else
49#define ISAOPC(op) MM_uasm_i##op
50#define ISAFUNC(x) MM_##x
51#endif
52#else
53#error Unsupported micro-assembler ISA!!!
54#endif
55
25#define Ip_u1u2u3(op) \ 56#define Ip_u1u2u3(op) \
26void __uasminit \ 57void __uasminit \
27uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) 58ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
28 59
29#define Ip_u2u1u3(op) \ 60#define Ip_u2u1u3(op) \
30void __uasminit \ 61void __uasminit \
31uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) 62ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
32 63
33#define Ip_u3u1u2(op) \ 64#define Ip_u3u1u2(op) \
34void __uasminit \ 65void __uasminit \
35uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c) 66ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c)
36 67
37#define Ip_u1u2s3(op) \ 68#define Ip_u1u2s3(op) \
38void __uasminit \ 69void __uasminit \
39uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c) 70ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
40 71
41#define Ip_u2s3u1(op) \ 72#define Ip_u2s3u1(op) \
42void __uasminit \ 73void __uasminit \
43uasm_i##op(u32 **buf, unsigned int a, signed int b, unsigned int c) 74ISAOPC(op)(u32 **buf, unsigned int a, signed int b, unsigned int c)
44 75
45#define Ip_u2u1s3(op) \ 76#define Ip_u2u1s3(op) \
46void __uasminit \ 77void __uasminit \
47uasm_i##op(u32 **buf, unsigned int a, unsigned int b, signed int c) 78ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, signed int c)
48 79
49#define Ip_u2u1msbu3(op) \ 80#define Ip_u2u1msbu3(op) \
50void __uasminit \ 81void __uasminit \
51uasm_i##op(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \ 82ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b, unsigned int c, \
52 unsigned int d) 83 unsigned int d)
53 84
54#define Ip_u1u2(op) \ 85#define Ip_u1u2(op) \
55void __uasminit uasm_i##op(u32 **buf, unsigned int a, unsigned int b) 86void __uasminit ISAOPC(op)(u32 **buf, unsigned int a, unsigned int b)
56 87
57#define Ip_u1s2(op) \ 88#define Ip_u1s2(op) \
58void __uasminit uasm_i##op(u32 **buf, unsigned int a, signed int b) 89void __uasminit ISAOPC(op)(u32 **buf, unsigned int a, signed int b)
59 90
60#define Ip_u1(op) void __uasminit uasm_i##op(u32 **buf, unsigned int a) 91#define Ip_u1(op) void __uasminit ISAOPC(op)(u32 **buf, unsigned int a)
61 92
62#define Ip_0(op) void __uasminit uasm_i##op(u32 **buf) 93#define Ip_0(op) void __uasminit ISAOPC(op)(u32 **buf)
63 94
64Ip_u2u1s3(_addiu); 95Ip_u2u1s3(_addiu);
65Ip_u3u1u2(_addu); 96Ip_u3u1u2(_addu);
@@ -132,19 +163,20 @@ struct uasm_label {
132 int lab; 163 int lab;
133}; 164};
134 165
135void __uasminit uasm_build_label(struct uasm_label **lab, u32 *addr, int lid); 166void __uasminit ISAFUNC(uasm_build_label)(struct uasm_label **lab, u32 *addr,
167 int lid);
136#ifdef CONFIG_64BIT 168#ifdef CONFIG_64BIT
137int uasm_in_compat_space_p(long addr); 169int ISAFUNC(uasm_in_compat_space_p)(long addr);
138#endif 170#endif
139int uasm_rel_hi(long val); 171int ISAFUNC(uasm_rel_hi)(long val);
140int uasm_rel_lo(long val); 172int ISAFUNC(uasm_rel_lo)(long val);
141void UASM_i_LA_mostly(u32 **buf, unsigned int rs, long addr); 173void ISAFUNC(UASM_i_LA_mostly)(u32 **buf, unsigned int rs, long addr);
142void UASM_i_LA(u32 **buf, unsigned int rs, long addr); 174void ISAFUNC(UASM_i_LA)(u32 **buf, unsigned int rs, long addr);
143 175
144#define UASM_L_LA(lb) \ 176#define UASM_L_LA(lb) \
145static inline void __uasminit uasm_l##lb(struct uasm_label **lab, u32 *addr) \ 177static inline void __uasminit ISAFUNC(uasm_l##lb)(struct uasm_label **lab, u32 *addr) \
146{ \ 178{ \
147 uasm_build_label(lab, addr, label##lb); \ 179 ISAFUNC(uasm_build_label)(lab, addr, label##lb); \
148} 180}
149 181
150/* convenience macros for instructions */ 182/* convenience macros for instructions */
@@ -196,27 +228,27 @@ static inline void uasm_i_drotr_safe(u32 **p, unsigned int a1,
196 unsigned int a2, unsigned int a3) 228 unsigned int a2, unsigned int a3)
197{ 229{
198 if (a3 < 32) 230 if (a3 < 32)
199 uasm_i_drotr(p, a1, a2, a3); 231 ISAOPC(_drotr)(p, a1, a2, a3);
200 else 232 else
201 uasm_i_drotr32(p, a1, a2, a3 - 32); 233 ISAOPC(_drotr32)(p, a1, a2, a3 - 32);
202} 234}
203 235
204static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1, 236static inline void uasm_i_dsll_safe(u32 **p, unsigned int a1,
205 unsigned int a2, unsigned int a3) 237 unsigned int a2, unsigned int a3)
206{ 238{
207 if (a3 < 32) 239 if (a3 < 32)
208 uasm_i_dsll(p, a1, a2, a3); 240 ISAOPC(_dsll)(p, a1, a2, a3);
209 else 241 else
210 uasm_i_dsll32(p, a1, a2, a3 - 32); 242 ISAOPC(_dsll32)(p, a1, a2, a3 - 32);
211} 243}
212 244
213static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1, 245static inline void uasm_i_dsrl_safe(u32 **p, unsigned int a1,
214 unsigned int a2, unsigned int a3) 246 unsigned int a2, unsigned int a3)
215{ 247{
216 if (a3 < 32) 248 if (a3 < 32)
217 uasm_i_dsrl(p, a1, a2, a3); 249 ISAOPC(_dsrl)(p, a1, a2, a3);
218 else 250 else
219 uasm_i_dsrl32(p, a1, a2, a3 - 32); 251 ISAOPC(_dsrl32)(p, a1, a2, a3 - 32);
220} 252}
221 253
222/* Handle relocations. */ 254/* Handle relocations. */
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index 4d078815eaa5..0f4aec2ad1e6 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -7,6 +7,7 @@
7 * 7 *
8 * Copyright (C) 1996, 2000 by Ralf Baechle 8 * Copyright (C) 1996, 2000 by Ralf Baechle
9 * Copyright (C) 2006 by Thiemo Seufer 9 * Copyright (C) 2006 by Thiemo Seufer
10 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
10 */ 11 */
11#ifndef _UAPI_ASM_INST_H 12#ifndef _UAPI_ASM_INST_H
12#define _UAPI_ASM_INST_H 13#define _UAPI_ASM_INST_H
@@ -193,6 +194,282 @@ enum lx_func {
193}; 194};
194 195
195/* 196/*
197 * (microMIPS) Major opcodes.
198 */
199enum mm_major_op {
200 mm_pool32a_op, mm_pool16a_op, mm_lbu16_op, mm_move16_op,
201 mm_addi32_op, mm_lbu32_op, mm_sb32_op, mm_lb32_op,
202 mm_pool32b_op, mm_pool16b_op, mm_lhu16_op, mm_andi16_op,
203 mm_addiu32_op, mm_lhu32_op, mm_sh32_op, mm_lh32_op,
204 mm_pool32i_op, mm_pool16c_op, mm_lwsp16_op, mm_pool16d_op,
205 mm_ori32_op, mm_pool32f_op, mm_reserved1_op, mm_reserved2_op,
206 mm_pool32c_op, mm_lwgp16_op, mm_lw16_op, mm_pool16e_op,
207 mm_xori32_op, mm_jals32_op, mm_addiupc_op, mm_reserved3_op,
208 mm_reserved4_op, mm_pool16f_op, mm_sb16_op, mm_beqz16_op,
209 mm_slti32_op, mm_beq32_op, mm_swc132_op, mm_lwc132_op,
210 mm_reserved5_op, mm_reserved6_op, mm_sh16_op, mm_bnez16_op,
211 mm_sltiu32_op, mm_bne32_op, mm_sdc132_op, mm_ldc132_op,
212 mm_reserved7_op, mm_reserved8_op, mm_swsp16_op, mm_b16_op,
213 mm_andi32_op, mm_j32_op, mm_sd32_op, mm_ld32_op,
214 mm_reserved11_op, mm_reserved12_op, mm_sw16_op, mm_li16_op,
215 mm_jalx32_op, mm_jal32_op, mm_sw32_op, mm_lw32_op,
216};
217
218/*
219 * (microMIPS) POOL32I minor opcodes.
220 */
221enum mm_32i_minor_op {
222 mm_bltz_op, mm_bltzal_op, mm_bgez_op, mm_bgezal_op,
223 mm_blez_op, mm_bnezc_op, mm_bgtz_op, mm_beqzc_op,
224 mm_tlti_op, mm_tgei_op, mm_tltiu_op, mm_tgeiu_op,
225 mm_tnei_op, mm_lui_op, mm_teqi_op, mm_reserved13_op,
226 mm_synci_op, mm_bltzals_op, mm_reserved14_op, mm_bgezals_op,
227 mm_bc2f_op, mm_bc2t_op, mm_reserved15_op, mm_reserved16_op,
228 mm_reserved17_op, mm_reserved18_op, mm_bposge64_op, mm_bposge32_op,
229 mm_bc1f_op, mm_bc1t_op, mm_reserved19_op, mm_reserved20_op,
230 mm_bc1any2f_op, mm_bc1any2t_op, mm_bc1any4f_op, mm_bc1any4t_op,
231};
232
233/*
234 * (microMIPS) POOL32A minor opcodes.
235 */
236enum mm_32a_minor_op {
237 mm_sll32_op = 0x000,
238 mm_ins_op = 0x00c,
239 mm_ext_op = 0x02c,
240 mm_pool32axf_op = 0x03c,
241 mm_srl32_op = 0x040,
242 mm_sra_op = 0x080,
243 mm_rotr_op = 0x0c0,
244 mm_lwxs_op = 0x118,
245 mm_addu32_op = 0x150,
246 mm_subu32_op = 0x1d0,
247 mm_and_op = 0x250,
248 mm_or32_op = 0x290,
249 mm_xor32_op = 0x310,
250};
251
252/*
253 * (microMIPS) POOL32B functions.
254 */
255enum mm_32b_func {
256 mm_lwc2_func = 0x0,
257 mm_lwp_func = 0x1,
258 mm_ldc2_func = 0x2,
259 mm_ldp_func = 0x4,
260 mm_lwm32_func = 0x5,
261 mm_cache_func = 0x6,
262 mm_ldm_func = 0x7,
263 mm_swc2_func = 0x8,
264 mm_swp_func = 0x9,
265 mm_sdc2_func = 0xa,
266 mm_sdp_func = 0xc,
267 mm_swm32_func = 0xd,
268 mm_sdm_func = 0xf,
269};
270
271/*
272 * (microMIPS) POOL32C functions.
273 */
274enum mm_32c_func {
275 mm_pref_func = 0x2,
276 mm_ll_func = 0x3,
277 mm_swr_func = 0x9,
278 mm_sc_func = 0xb,
279 mm_lwu_func = 0xe,
280};
281
282/*
283 * (microMIPS) POOL32AXF minor opcodes.
284 */
285enum mm_32axf_minor_op {
286 mm_mfc0_op = 0x003,
287 mm_mtc0_op = 0x00b,
288 mm_tlbp_op = 0x00d,
289 mm_jalr_op = 0x03c,
290 mm_tlbr_op = 0x04d,
291 mm_jalrhb_op = 0x07c,
292 mm_tlbwi_op = 0x08d,
293 mm_tlbwr_op = 0x0cd,
294 mm_jalrs_op = 0x13c,
295 mm_jalrshb_op = 0x17c,
296 mm_syscall_op = 0x22d,
297 mm_eret_op = 0x3cd,
298};
299
300/*
301 * (microMIPS) POOL32F minor opcodes.
302 */
303enum mm_32f_minor_op {
304 mm_32f_00_op = 0x00,
305 mm_32f_01_op = 0x01,
306 mm_32f_02_op = 0x02,
307 mm_32f_10_op = 0x08,
308 mm_32f_11_op = 0x09,
309 mm_32f_12_op = 0x0a,
310 mm_32f_20_op = 0x10,
311 mm_32f_30_op = 0x18,
312 mm_32f_40_op = 0x20,
313 mm_32f_41_op = 0x21,
314 mm_32f_42_op = 0x22,
315 mm_32f_50_op = 0x28,
316 mm_32f_51_op = 0x29,
317 mm_32f_52_op = 0x2a,
318 mm_32f_60_op = 0x30,
319 mm_32f_70_op = 0x38,
320 mm_32f_73_op = 0x3b,
321 mm_32f_74_op = 0x3c,
322};
323
324/*
325 * (microMIPS) POOL32F secondary minor opcodes.
326 */
327enum mm_32f_10_minor_op {
328 mm_lwxc1_op = 0x1,
329 mm_swxc1_op,
330 mm_ldxc1_op,
331 mm_sdxc1_op,
332 mm_luxc1_op,
333 mm_suxc1_op,
334};
335
336enum mm_32f_func {
337 mm_lwxc1_func = 0x048,
338 mm_swxc1_func = 0x088,
339 mm_ldxc1_func = 0x0c8,
340 mm_sdxc1_func = 0x108,
341};
342
343/*
344 * (microMIPS) POOL32F secondary minor opcodes.
345 */
346enum mm_32f_40_minor_op {
347 mm_fmovf_op,
348 mm_fmovt_op,
349};
350
351/*
352 * (microMIPS) POOL32F secondary minor opcodes.
353 */
354enum mm_32f_60_minor_op {
355 mm_fadd_op,
356 mm_fsub_op,
357 mm_fmul_op,
358 mm_fdiv_op,
359};
360
361/*
362 * (microMIPS) POOL32F secondary minor opcodes.
363 */
364enum mm_32f_70_minor_op {
365 mm_fmovn_op,
366 mm_fmovz_op,
367};
368
369/*
370 * (microMIPS) POOL32FXF secondary minor opcodes for POOL32F.
371 */
372enum mm_32f_73_minor_op {
373 mm_fmov0_op = 0x01,
374 mm_fcvtl_op = 0x04,
375 mm_movf0_op = 0x05,
376 mm_frsqrt_op = 0x08,
377 mm_ffloorl_op = 0x0c,
378 mm_fabs0_op = 0x0d,
379 mm_fcvtw_op = 0x24,
380 mm_movt0_op = 0x25,
381 mm_fsqrt_op = 0x28,
382 mm_ffloorw_op = 0x2c,
383 mm_fneg0_op = 0x2d,
384 mm_cfc1_op = 0x40,
385 mm_frecip_op = 0x48,
386 mm_fceill_op = 0x4c,
387 mm_fcvtd0_op = 0x4d,
388 mm_ctc1_op = 0x60,
389 mm_fceilw_op = 0x6c,
390 mm_fcvts0_op = 0x6d,
391 mm_mfc1_op = 0x80,
392 mm_fmov1_op = 0x81,
393 mm_movf1_op = 0x85,
394 mm_ftruncl_op = 0x8c,
395 mm_fabs1_op = 0x8d,
396 mm_mtc1_op = 0xa0,
397 mm_movt1_op = 0xa5,
398 mm_ftruncw_op = 0xac,
399 mm_fneg1_op = 0xad,
400 mm_froundl_op = 0xcc,
401 mm_fcvtd1_op = 0xcd,
402 mm_froundw_op = 0xec,
403 mm_fcvts1_op = 0xed,
404};
405
406/*
407 * (microMIPS) POOL16C minor opcodes.
408 */
409enum mm_16c_minor_op {
410 mm_lwm16_op = 0x04,
411 mm_swm16_op = 0x05,
412 mm_jr16_op = 0x18,
413 mm_jrc_op = 0x1a,
414 mm_jalr16_op = 0x1c,
415 mm_jalrs16_op = 0x1e,
416};
417
418/*
419 * (microMIPS) POOL16D minor opcodes.
420 */
421enum mm_16d_minor_op {
422 mm_addius5_func,
423 mm_addiusp_func,
424};
425
426/*
427 * (MIPS16e) opcodes.
428 */
429enum MIPS16e_ops {
430 MIPS16e_jal_op = 003,
431 MIPS16e_ld_op = 007,
432 MIPS16e_i8_op = 014,
433 MIPS16e_sd_op = 017,
434 MIPS16e_lb_op = 020,
435 MIPS16e_lh_op = 021,
436 MIPS16e_lwsp_op = 022,
437 MIPS16e_lw_op = 023,
438 MIPS16e_lbu_op = 024,
439 MIPS16e_lhu_op = 025,
440 MIPS16e_lwpc_op = 026,
441 MIPS16e_lwu_op = 027,
442 MIPS16e_sb_op = 030,
443 MIPS16e_sh_op = 031,
444 MIPS16e_swsp_op = 032,
445 MIPS16e_sw_op = 033,
446 MIPS16e_rr_op = 035,
447 MIPS16e_extend_op = 036,
448 MIPS16e_i64_op = 037,
449};
450
451enum MIPS16e_i64_func {
452 MIPS16e_ldsp_func,
453 MIPS16e_sdsp_func,
454 MIPS16e_sdrasp_func,
455 MIPS16e_dadjsp_func,
456 MIPS16e_ldpc_func,
457};
458
459enum MIPS16e_rr_func {
460 MIPS16e_jr_func,
461};
462
463enum MIPS6e_i8_func {
464 MIPS16e_swrasp_func = 02,
465};
466
467/*
468 * (microMIPS & MIPS16e) NOP instruction.
469 */
470#define MM_NOP16 0x0c00
471
472/*
196 * Damn ... bitfields depend from byteorder :-( 473 * Damn ... bitfields depend from byteorder :-(
197 */ 474 */
198#ifdef __MIPSEB__ 475#ifdef __MIPSEB__
@@ -311,6 +588,262 @@ struct v_format { /* MDMX vector format */
311 ;))))))) 588 ;)))))))
312}; 589};
313 590
591/*
592 * microMIPS instruction formats (32-bit length)
593 *
594 * NOTE:
595 * Parenthesis denote whether the format is a microMIPS instruction or
596 * if it is MIPS32 instruction re-encoded for use in the microMIPS ASE.
597 */
598struct fb_format { /* FPU branch format (MIPS32) */
599 BITFIELD_FIELD(unsigned int opcode : 6,
600 BITFIELD_FIELD(unsigned int bc : 5,
601 BITFIELD_FIELD(unsigned int cc : 3,
602 BITFIELD_FIELD(unsigned int flag : 2,
603 BITFIELD_FIELD(signed int simmediate : 16,
604 ;)))))
605};
606
607struct fp0_format { /* FPU multiply and add format (MIPS32) */
608 BITFIELD_FIELD(unsigned int opcode : 6,
609 BITFIELD_FIELD(unsigned int fmt : 5,
610 BITFIELD_FIELD(unsigned int ft : 5,
611 BITFIELD_FIELD(unsigned int fs : 5,
612 BITFIELD_FIELD(unsigned int fd : 5,
613 BITFIELD_FIELD(unsigned int func : 6,
614 ;))))))
615};
616
617struct mm_fp0_format { /* FPU multipy and add format (microMIPS) */
618 BITFIELD_FIELD(unsigned int opcode : 6,
619 BITFIELD_FIELD(unsigned int ft : 5,
620 BITFIELD_FIELD(unsigned int fs : 5,
621 BITFIELD_FIELD(unsigned int fd : 5,
622 BITFIELD_FIELD(unsigned int fmt : 3,
623 BITFIELD_FIELD(unsigned int op : 2,
624 BITFIELD_FIELD(unsigned int func : 6,
625 ;)))))))
626};
627
628struct fp1_format { /* FPU mfc1 and cfc1 format (MIPS32) */
629 BITFIELD_FIELD(unsigned int opcode : 6,
630 BITFIELD_FIELD(unsigned int op : 5,
631 BITFIELD_FIELD(unsigned int rt : 5,
632 BITFIELD_FIELD(unsigned int fs : 5,
633 BITFIELD_FIELD(unsigned int fd : 5,
634 BITFIELD_FIELD(unsigned int func : 6,
635 ;))))))
636};
637
638struct mm_fp1_format { /* FPU mfc1 and cfc1 format (microMIPS) */
639 BITFIELD_FIELD(unsigned int opcode : 6,
640 BITFIELD_FIELD(unsigned int rt : 5,
641 BITFIELD_FIELD(unsigned int fs : 5,
642 BITFIELD_FIELD(unsigned int fmt : 2,
643 BITFIELD_FIELD(unsigned int op : 8,
644 BITFIELD_FIELD(unsigned int func : 6,
645 ;))))))
646};
647
648struct mm_fp2_format { /* FPU movt and movf format (microMIPS) */
649 BITFIELD_FIELD(unsigned int opcode : 6,
650 BITFIELD_FIELD(unsigned int fd : 5,
651 BITFIELD_FIELD(unsigned int fs : 5,
652 BITFIELD_FIELD(unsigned int cc : 3,
653 BITFIELD_FIELD(unsigned int zero : 2,
654 BITFIELD_FIELD(unsigned int fmt : 2,
655 BITFIELD_FIELD(unsigned int op : 3,
656 BITFIELD_FIELD(unsigned int func : 6,
657 ;))))))))
658};
659
660struct mm_fp3_format { /* FPU abs and neg format (microMIPS) */
661 BITFIELD_FIELD(unsigned int opcode : 6,
662 BITFIELD_FIELD(unsigned int rt : 5,
663 BITFIELD_FIELD(unsigned int fs : 5,
664 BITFIELD_FIELD(unsigned int fmt : 3,
665 BITFIELD_FIELD(unsigned int op : 7,
666 BITFIELD_FIELD(unsigned int func : 6,
667 ;))))))
668};
669
670struct mm_fp4_format { /* FPU c.cond format (microMIPS) */
671 BITFIELD_FIELD(unsigned int opcode : 6,
672 BITFIELD_FIELD(unsigned int rt : 5,
673 BITFIELD_FIELD(unsigned int fs : 5,
674 BITFIELD_FIELD(unsigned int cc : 3,
675 BITFIELD_FIELD(unsigned int fmt : 3,
676 BITFIELD_FIELD(unsigned int cond : 4,
677 BITFIELD_FIELD(unsigned int func : 6,
678 ;)))))))
679};
680
681struct mm_fp5_format { /* FPU lwxc1 and swxc1 format (microMIPS) */
682 BITFIELD_FIELD(unsigned int opcode : 6,
683 BITFIELD_FIELD(unsigned int index : 5,
684 BITFIELD_FIELD(unsigned int base : 5,
685 BITFIELD_FIELD(unsigned int fd : 5,
686 BITFIELD_FIELD(unsigned int op : 5,
687 BITFIELD_FIELD(unsigned int func : 6,
688 ;))))))
689};
690
691struct fp6_format { /* FPU madd and msub format (MIPS IV) */
692 BITFIELD_FIELD(unsigned int opcode : 6,
693 BITFIELD_FIELD(unsigned int fr : 5,
694 BITFIELD_FIELD(unsigned int ft : 5,
695 BITFIELD_FIELD(unsigned int fs : 5,
696 BITFIELD_FIELD(unsigned int fd : 5,
697 BITFIELD_FIELD(unsigned int func : 6,
698 ;))))))
699};
700
701struct mm_fp6_format { /* FPU madd and msub format (microMIPS) */
702 BITFIELD_FIELD(unsigned int opcode : 6,
703 BITFIELD_FIELD(unsigned int ft : 5,
704 BITFIELD_FIELD(unsigned int fs : 5,
705 BITFIELD_FIELD(unsigned int fd : 5,
706 BITFIELD_FIELD(unsigned int fr : 5,
707 BITFIELD_FIELD(unsigned int func : 6,
708 ;))))))
709};
710
711struct mm_i_format { /* Immediate format (microMIPS) */
712 BITFIELD_FIELD(unsigned int opcode : 6,
713 BITFIELD_FIELD(unsigned int rt : 5,
714 BITFIELD_FIELD(unsigned int rs : 5,
715 BITFIELD_FIELD(signed int simmediate : 16,
716 ;))))
717};
718
719struct mm_m_format { /* Multi-word load/store format (microMIPS) */
720 BITFIELD_FIELD(unsigned int opcode : 6,
721 BITFIELD_FIELD(unsigned int rd : 5,
722 BITFIELD_FIELD(unsigned int base : 5,
723 BITFIELD_FIELD(unsigned int func : 4,
724 BITFIELD_FIELD(signed int simmediate : 12,
725 ;)))))
726};
727
728struct mm_x_format { /* Scaled indexed load format (microMIPS) */
729 BITFIELD_FIELD(unsigned int opcode : 6,
730 BITFIELD_FIELD(unsigned int index : 5,
731 BITFIELD_FIELD(unsigned int base : 5,
732 BITFIELD_FIELD(unsigned int rd : 5,
733 BITFIELD_FIELD(unsigned int func : 11,
734 ;)))))
735};
736
737/*
738 * microMIPS instruction formats (16-bit length)
739 */
740struct mm_b0_format { /* Unconditional branch format (microMIPS) */
741 BITFIELD_FIELD(unsigned int opcode : 6,
742 BITFIELD_FIELD(signed int simmediate : 10,
743 BITFIELD_FIELD(unsigned int : 16, /* Ignored */
744 ;)))
745};
746
747struct mm_b1_format { /* Conditional branch format (microMIPS) */
748 BITFIELD_FIELD(unsigned int opcode : 6,
749 BITFIELD_FIELD(unsigned int rs : 3,
750 BITFIELD_FIELD(signed int simmediate : 7,
751 BITFIELD_FIELD(unsigned int : 16, /* Ignored */
752 ;))))
753};
754
755struct mm16_m_format { /* Multi-word load/store format */
756 BITFIELD_FIELD(unsigned int opcode : 6,
757 BITFIELD_FIELD(unsigned int func : 4,
758 BITFIELD_FIELD(unsigned int rlist : 2,
759 BITFIELD_FIELD(unsigned int imm : 4,
760 BITFIELD_FIELD(unsigned int : 16, /* Ignored */
761 ;)))))
762};
763
764struct mm16_rb_format { /* Signed immediate format */
765 BITFIELD_FIELD(unsigned int opcode : 6,
766 BITFIELD_FIELD(unsigned int rt : 3,
767 BITFIELD_FIELD(unsigned int base : 3,
768 BITFIELD_FIELD(signed int simmediate : 4,
769 BITFIELD_FIELD(unsigned int : 16, /* Ignored */
770 ;)))))
771};
772
773struct mm16_r3_format { /* Load from global pointer format */
774 BITFIELD_FIELD(unsigned int opcode : 6,
775 BITFIELD_FIELD(unsigned int rt : 3,
776 BITFIELD_FIELD(signed int simmediate : 7,
777 BITFIELD_FIELD(unsigned int : 16, /* Ignored */
778 ;))))
779};
780
781struct mm16_r5_format { /* Load/store from stack pointer format */
782 BITFIELD_FIELD(unsigned int opcode : 6,
783 BITFIELD_FIELD(unsigned int rt : 5,
784 BITFIELD_FIELD(signed int simmediate : 5,
785 BITFIELD_FIELD(unsigned int : 16, /* Ignored */
786 ;))))
787};
788
789/*
790 * MIPS16e instruction formats (16-bit length)
791 */
792struct m16e_rr {
793 BITFIELD_FIELD(unsigned int opcode : 5,
794 BITFIELD_FIELD(unsigned int rx : 3,
795 BITFIELD_FIELD(unsigned int nd : 1,
796 BITFIELD_FIELD(unsigned int l : 1,
797 BITFIELD_FIELD(unsigned int ra : 1,
798 BITFIELD_FIELD(unsigned int func : 5,
799 ;))))))
800};
801
802struct m16e_jal {
803 BITFIELD_FIELD(unsigned int opcode : 5,
804 BITFIELD_FIELD(unsigned int x : 1,
805 BITFIELD_FIELD(unsigned int imm20_16 : 5,
806 BITFIELD_FIELD(signed int imm25_21 : 5,
807 ;))))
808};
809
810struct m16e_i64 {
811 BITFIELD_FIELD(unsigned int opcode : 5,
812 BITFIELD_FIELD(unsigned int func : 3,
813 BITFIELD_FIELD(unsigned int imm : 8,
814 ;)))
815};
816
817struct m16e_ri64 {
818 BITFIELD_FIELD(unsigned int opcode : 5,
819 BITFIELD_FIELD(unsigned int func : 3,
820 BITFIELD_FIELD(unsigned int ry : 3,
821 BITFIELD_FIELD(unsigned int imm : 5,
822 ;))))
823};
824
825struct m16e_ri {
826 BITFIELD_FIELD(unsigned int opcode : 5,
827 BITFIELD_FIELD(unsigned int rx : 3,
828 BITFIELD_FIELD(unsigned int imm : 8,
829 ;)))
830};
831
832struct m16e_rri {
833 BITFIELD_FIELD(unsigned int opcode : 5,
834 BITFIELD_FIELD(unsigned int rx : 3,
835 BITFIELD_FIELD(unsigned int ry : 3,
836 BITFIELD_FIELD(unsigned int imm : 5,
837 ;))))
838};
839
840struct m16e_i8 {
841 BITFIELD_FIELD(unsigned int opcode : 5,
842 BITFIELD_FIELD(unsigned int func : 3,
843 BITFIELD_FIELD(unsigned int imm : 8,
844 ;)))
845};
846
314union mips_instruction { 847union mips_instruction {
315 unsigned int word; 848 unsigned int word;
316 unsigned short halfword[2]; 849 unsigned short halfword[2];
@@ -326,6 +859,37 @@ union mips_instruction {
326 struct b_format b_format; 859 struct b_format b_format;
327 struct ps_format ps_format; 860 struct ps_format ps_format;
328 struct v_format v_format; 861 struct v_format v_format;
862 struct fb_format fb_format;
863 struct fp0_format fp0_format;
864 struct mm_fp0_format mm_fp0_format;
865 struct fp1_format fp1_format;
866 struct mm_fp1_format mm_fp1_format;
867 struct mm_fp2_format mm_fp2_format;
868 struct mm_fp3_format mm_fp3_format;
869 struct mm_fp4_format mm_fp4_format;
870 struct mm_fp5_format mm_fp5_format;
871 struct fp6_format fp6_format;
872 struct mm_fp6_format mm_fp6_format;
873 struct mm_i_format mm_i_format;
874 struct mm_m_format mm_m_format;
875 struct mm_x_format mm_x_format;
876 struct mm_b0_format mm_b0_format;
877 struct mm_b1_format mm_b1_format;
878 struct mm16_m_format mm16_m_format ;
879 struct mm16_rb_format mm16_rb_format;
880 struct mm16_r3_format mm16_r3_format;
881 struct mm16_r5_format mm16_r5_format;
882};
883
884union mips16e_instruction {
885 unsigned int full : 16;
886 struct m16e_rr rr;
887 struct m16e_jal jal;
888 struct m16e_i64 i64;
889 struct m16e_ri64 ri64;
890 struct m16e_ri ri;
891 struct m16e_rri rri;
892 struct m16e_i8 i8;
329}; 893};
330 894
331#endif /* _UAPI_ASM_INST_H */ 895#endif /* _UAPI_ASM_INST_H */
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index cdb87b2a423d..cb96ace5c8c5 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -19,15 +19,16 @@ obj-$(CONFIG_CEVT_BCM1480) += cevt-bcm1480.o
19obj-$(CONFIG_CEVT_R4K) += cevt-r4k.o 19obj-$(CONFIG_CEVT_R4K) += cevt-r4k.o
20obj-$(CONFIG_MIPS_MT_SMTC) += cevt-smtc.o 20obj-$(CONFIG_MIPS_MT_SMTC) += cevt-smtc.o
21obj-$(CONFIG_CEVT_DS1287) += cevt-ds1287.o 21obj-$(CONFIG_CEVT_DS1287) += cevt-ds1287.o
22obj-$(CONFIG_CEVT_GIC) += cevt-gic.o
22obj-$(CONFIG_CEVT_GT641XX) += cevt-gt641xx.o 23obj-$(CONFIG_CEVT_GT641XX) += cevt-gt641xx.o
23obj-$(CONFIG_CEVT_SB1250) += cevt-sb1250.o 24obj-$(CONFIG_CEVT_SB1250) += cevt-sb1250.o
24obj-$(CONFIG_CEVT_TXX9) += cevt-txx9.o 25obj-$(CONFIG_CEVT_TXX9) += cevt-txx9.o
25obj-$(CONFIG_CSRC_BCM1480) += csrc-bcm1480.o 26obj-$(CONFIG_CSRC_BCM1480) += csrc-bcm1480.o
27obj-$(CONFIG_CSRC_GIC) += csrc-gic.o
26obj-$(CONFIG_CSRC_IOASIC) += csrc-ioasic.o 28obj-$(CONFIG_CSRC_IOASIC) += csrc-ioasic.o
27obj-$(CONFIG_CSRC_POWERTV) += csrc-powertv.o 29obj-$(CONFIG_CSRC_POWERTV) += csrc-powertv.o
28obj-$(CONFIG_CSRC_R4K) += csrc-r4k.o 30obj-$(CONFIG_CSRC_R4K) += csrc-r4k.o
29obj-$(CONFIG_CSRC_SB1250) += csrc-sb1250.o 31obj-$(CONFIG_CSRC_SB1250) += csrc-sb1250.o
30obj-$(CONFIG_CSRC_GIC) += csrc-gic.o
31obj-$(CONFIG_SYNC_R4K) += sync-r4k.o 32obj-$(CONFIG_SYNC_R4K) += sync-r4k.o
32 33
33obj-$(CONFIG_STACKTRACE) += stacktrace.o 34obj-$(CONFIG_STACKTRACE) += stacktrace.o
diff --git a/arch/mips/kernel/branch.c b/arch/mips/kernel/branch.c
index 83ffe950f710..46c2ad0703a0 100644
--- a/arch/mips/kernel/branch.c
+++ b/arch/mips/kernel/branch.c
@@ -14,10 +14,186 @@
14#include <asm/cpu.h> 14#include <asm/cpu.h>
15#include <asm/cpu-features.h> 15#include <asm/cpu-features.h>
16#include <asm/fpu.h> 16#include <asm/fpu.h>
17#include <asm/fpu_emulator.h>
17#include <asm/inst.h> 18#include <asm/inst.h>
18#include <asm/ptrace.h> 19#include <asm/ptrace.h>
19#include <asm/uaccess.h> 20#include <asm/uaccess.h>
20 21
22/*
23 * Calculate and return exception PC in case of branch delay slot
24 * for microMIPS and MIPS16e. It does not clear the ISA mode bit.
25 */
26int __isa_exception_epc(struct pt_regs *regs)
27{
28 unsigned short inst;
29 long epc = regs->cp0_epc;
30
31 /* Calculate exception PC in branch delay slot. */
32 if (__get_user(inst, (u16 __user *) msk_isa16_mode(epc))) {
33 /* This should never happen because delay slot was checked. */
34 force_sig(SIGSEGV, current);
35 return epc;
36 }
37 if (cpu_has_mips16) {
38 if (((union mips16e_instruction)inst).ri.opcode
39 == MIPS16e_jal_op)
40 epc += 4;
41 else
42 epc += 2;
43 } else if (mm_insn_16bit(inst))
44 epc += 2;
45 else
46 epc += 4;
47
48 return epc;
49}
50
51/*
52 * Compute return address and emulate branch in microMIPS mode after an
53 * exception only. It does not handle compact branches/jumps and cannot
54 * be used in interrupt context. (Compact branches/jumps do not cause
55 * exceptions.)
56 */
57int __microMIPS_compute_return_epc(struct pt_regs *regs)
58{
59 u16 __user *pc16;
60 u16 halfword;
61 unsigned int word;
62 unsigned long contpc;
63 struct mm_decoded_insn mminsn = { 0 };
64
65 mminsn.micro_mips_mode = 1;
66
67 /* This load never faults. */
68 pc16 = (unsigned short __user *)msk_isa16_mode(regs->cp0_epc);
69 __get_user(halfword, pc16);
70 pc16++;
71 contpc = regs->cp0_epc + 2;
72 word = ((unsigned int)halfword << 16);
73 mminsn.pc_inc = 2;
74
75 if (!mm_insn_16bit(halfword)) {
76 __get_user(halfword, pc16);
77 pc16++;
78 contpc = regs->cp0_epc + 4;
79 mminsn.pc_inc = 4;
80 word |= halfword;
81 }
82 mminsn.insn = word;
83
84 if (get_user(halfword, pc16))
85 goto sigsegv;
86 mminsn.next_pc_inc = 2;
87 word = ((unsigned int)halfword << 16);
88
89 if (!mm_insn_16bit(halfword)) {
90 pc16++;
91 if (get_user(halfword, pc16))
92 goto sigsegv;
93 mminsn.next_pc_inc = 4;
94 word |= halfword;
95 }
96 mminsn.next_insn = word;
97
98 mm_isBranchInstr(regs, mminsn, &contpc);
99
100 regs->cp0_epc = contpc;
101
102 return 0;
103
104sigsegv:
105 force_sig(SIGSEGV, current);
106 return -EFAULT;
107}
108
109/*
110 * Compute return address and emulate branch in MIPS16e mode after an
111 * exception only. It does not handle compact branches/jumps and cannot
112 * be used in interrupt context. (Compact branches/jumps do not cause
113 * exceptions.)
114 */
115int __MIPS16e_compute_return_epc(struct pt_regs *regs)
116{
117 u16 __user *addr;
118 union mips16e_instruction inst;
119 u16 inst2;
120 u32 fullinst;
121 long epc;
122
123 epc = regs->cp0_epc;
124
125 /* Read the instruction. */
126 addr = (u16 __user *)msk_isa16_mode(epc);
127 if (__get_user(inst.full, addr)) {
128 force_sig(SIGSEGV, current);
129 return -EFAULT;
130 }
131
132 switch (inst.ri.opcode) {
133 case MIPS16e_extend_op:
134 regs->cp0_epc += 4;
135 return 0;
136
137 /*
138 * JAL and JALX in MIPS16e mode
139 */
140 case MIPS16e_jal_op:
141 addr += 1;
142 if (__get_user(inst2, addr)) {
143 force_sig(SIGSEGV, current);
144 return -EFAULT;
145 }
146 fullinst = ((unsigned)inst.full << 16) | inst2;
147 regs->regs[31] = epc + 6;
148 epc += 4;
149 epc >>= 28;
150 epc <<= 28;
151 /*
152 * JAL:5 X:1 TARGET[20-16]:5 TARGET[25:21]:5 TARGET[15:0]:16
153 *
154 * ......TARGET[15:0].................TARGET[20:16]...........
155 * ......TARGET[25:21]
156 */
157 epc |=
158 ((fullinst & 0xffff) << 2) | ((fullinst & 0x3e00000) >> 3) |
159 ((fullinst & 0x1f0000) << 7);
160 if (!inst.jal.x)
161 set_isa16_mode(epc); /* Set ISA mode bit. */
162 regs->cp0_epc = epc;
163 return 0;
164
165 /*
166 * J(AL)R(C)
167 */
168 case MIPS16e_rr_op:
169 if (inst.rr.func == MIPS16e_jr_func) {
170
171 if (inst.rr.ra)
172 regs->cp0_epc = regs->regs[31];
173 else
174 regs->cp0_epc =
175 regs->regs[reg16to32[inst.rr.rx]];
176
177 if (inst.rr.l) {
178 if (inst.rr.nd)
179 regs->regs[31] = epc + 2;
180 else
181 regs->regs[31] = epc + 4;
182 }
183 return 0;
184 }
185 break;
186 }
187
188 /*
189 * All other cases have no branch delay slot and are 16-bits.
190 * Branches do not cause an exception.
191 */
192 regs->cp0_epc += 2;
193
194 return 0;
195}
196
21/** 197/**
22 * __compute_return_epc_for_insn - Computes the return address and do emulate 198 * __compute_return_epc_for_insn - Computes the return address and do emulate
23 * branch simulation, if required. 199 * branch simulation, if required.
@@ -129,6 +305,8 @@ int __compute_return_epc_for_insn(struct pt_regs *regs,
129 epc <<= 28; 305 epc <<= 28;
130 epc |= (insn.j_format.target << 2); 306 epc |= (insn.j_format.target << 2);
131 regs->cp0_epc = epc; 307 regs->cp0_epc = epc;
308 if (insn.i_format.opcode == jalx_op)
309 set_isa16_mode(regs->cp0_epc);
132 break; 310 break;
133 311
134 /* 312 /*
diff --git a/arch/mips/kernel/cevt-gic.c b/arch/mips/kernel/cevt-gic.c
new file mode 100644
index 000000000000..730eaf92c018
--- /dev/null
+++ b/arch/mips/kernel/cevt-gic.c
@@ -0,0 +1,104 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2013 Imagination Technologies Ltd.
7 */
8#include <linux/clockchips.h>
9#include <linux/interrupt.h>
10#include <linux/percpu.h>
11#include <linux/smp.h>
12#include <linux/irq.h>
13
14#include <asm/time.h>
15#include <asm/gic.h>
16#include <asm/mips-boards/maltaint.h>
17
18DEFINE_PER_CPU(struct clock_event_device, gic_clockevent_device);
19int gic_timer_irq_installed;
20
21
22static int gic_next_event(unsigned long delta, struct clock_event_device *evt)
23{
24 u64 cnt;
25 int res;
26
27 cnt = gic_read_count();
28 cnt += (u64)delta;
29 gic_write_compare(cnt);
30 res = ((int)(gic_read_count() - cnt) >= 0) ? -ETIME : 0;
31 return res;
32}
33
34void gic_set_clock_mode(enum clock_event_mode mode,
35 struct clock_event_device *evt)
36{
37 /* Nothing to do ... */
38}
39
40irqreturn_t gic_compare_interrupt(int irq, void *dev_id)
41{
42 struct clock_event_device *cd;
43 int cpu = smp_processor_id();
44
45 gic_write_compare(gic_read_compare());
46 cd = &per_cpu(gic_clockevent_device, cpu);
47 cd->event_handler(cd);
48 return IRQ_HANDLED;
49}
50
51struct irqaction gic_compare_irqaction = {
52 .handler = gic_compare_interrupt,
53 .flags = IRQF_PERCPU | IRQF_TIMER,
54 .name = "timer",
55};
56
57
58void gic_event_handler(struct clock_event_device *dev)
59{
60}
61
62int __cpuinit gic_clockevent_init(void)
63{
64 unsigned int cpu = smp_processor_id();
65 struct clock_event_device *cd;
66 unsigned int irq;
67
68 if (!cpu_has_counter || !gic_frequency)
69 return -ENXIO;
70
71 irq = MIPS_GIC_IRQ_BASE;
72
73 cd = &per_cpu(gic_clockevent_device, cpu);
74
75 cd->name = "MIPS GIC";
76 cd->features = CLOCK_EVT_FEAT_ONESHOT;
77
78 clockevent_set_clock(cd, gic_frequency);
79
80 /* Calculate the min / max delta */
81 cd->max_delta_ns = clockevent_delta2ns(0x7fffffff, cd);
82 cd->min_delta_ns = clockevent_delta2ns(0x300, cd);
83
84 cd->rating = 300;
85 cd->irq = irq;
86 cd->cpumask = cpumask_of(cpu);
87 cd->set_next_event = gic_next_event;
88 cd->set_mode = gic_set_clock_mode;
89 cd->event_handler = gic_event_handler;
90
91 clockevents_register_device(cd);
92
93 GICWRITE(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE_MAP), 0x80000002);
94 GICWRITE(GIC_REG(VPE_LOCAL, GIC_VPE_SMASK), GIC_VPE_SMASK_CMP_MSK);
95
96 if (gic_timer_irq_installed)
97 return 0;
98
99 gic_timer_irq_installed = 1;
100
101 setup_irq(irq, &gic_compare_irqaction);
102 irq_set_handler(irq, handle_percpu_irq);
103 return 0;
104}
diff --git a/arch/mips/kernel/cevt-r4k.c b/arch/mips/kernel/cevt-r4k.c
index fd75d7144524..02033eaf8825 100644
--- a/arch/mips/kernel/cevt-r4k.c
+++ b/arch/mips/kernel/cevt-r4k.c
@@ -23,7 +23,6 @@
23 */ 23 */
24 24
25#ifndef CONFIG_MIPS_MT_SMTC 25#ifndef CONFIG_MIPS_MT_SMTC
26
27static int mips_next_event(unsigned long delta, 26static int mips_next_event(unsigned long delta,
28 struct clock_event_device *evt) 27 struct clock_event_device *evt)
29{ 28{
@@ -49,7 +48,6 @@ DEFINE_PER_CPU(struct clock_event_device, mips_clockevent_device);
49int cp0_timer_irq_installed; 48int cp0_timer_irq_installed;
50 49
51#ifndef CONFIG_MIPS_MT_SMTC 50#ifndef CONFIG_MIPS_MT_SMTC
52
53irqreturn_t c0_compare_interrupt(int irq, void *dev_id) 51irqreturn_t c0_compare_interrupt(int irq, void *dev_id)
54{ 52{
55 const int r2 = cpu_has_mips_r2; 53 const int r2 = cpu_has_mips_r2;
@@ -74,6 +72,9 @@ irqreturn_t c0_compare_interrupt(int irq, void *dev_id)
74 /* Clear Count/Compare Interrupt */ 72 /* Clear Count/Compare Interrupt */
75 write_c0_compare(read_c0_compare()); 73 write_c0_compare(read_c0_compare());
76 cd = &per_cpu(mips_clockevent_device, cpu); 74 cd = &per_cpu(mips_clockevent_device, cpu);
75#ifdef CONFIG_CEVT_GIC
76 if (!gic_present)
77#endif
77 cd->event_handler(cd); 78 cd->event_handler(cd);
78 } 79 }
79 80
@@ -170,7 +171,6 @@ int c0_compare_int_usable(void)
170} 171}
171 172
172#ifndef CONFIG_MIPS_MT_SMTC 173#ifndef CONFIG_MIPS_MT_SMTC
173
174int __cpuinit r4k_clockevent_init(void) 174int __cpuinit r4k_clockevent_init(void)
175{ 175{
176 unsigned int cpu = smp_processor_id(); 176 unsigned int cpu = smp_processor_id();
@@ -210,6 +210,9 @@ int __cpuinit r4k_clockevent_init(void)
210 cd->set_mode = mips_set_clock_mode; 210 cd->set_mode = mips_set_clock_mode;
211 cd->event_handler = mips_event_handler; 211 cd->event_handler = mips_event_handler;
212 212
213#ifdef CONFIG_CEVT_GIC
214 if (!gic_present)
215#endif
213 clockevents_register_device(cd); 216 clockevents_register_device(cd);
214 217
215 if (cp0_timer_irq_installed) 218 if (cp0_timer_irq_installed)
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 5fe66a0c3224..4bbffdb9024f 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -470,6 +470,9 @@ static inline unsigned int decode_config3(struct cpuinfo_mips *c)
470 c->options |= MIPS_CPU_ULRI; 470 c->options |= MIPS_CPU_ULRI;
471 if (config3 & MIPS_CONF3_ISA) 471 if (config3 & MIPS_CONF3_ISA)
472 c->options |= MIPS_CPU_MICROMIPS; 472 c->options |= MIPS_CPU_MICROMIPS;
473#ifdef CONFIG_CPU_MICROMIPS
474 write_c0_config3(read_c0_config3() | MIPS_CONF3_ISA_OE);
475#endif
473 if (config3 & MIPS_CONF3_VZ) 476 if (config3 & MIPS_CONF3_VZ)
474 c->ases |= MIPS_ASE_VZ; 477 c->ases |= MIPS_ASE_VZ;
475 478
diff --git a/arch/mips/kernel/csrc-gic.c b/arch/mips/kernel/csrc-gic.c
index 5dca24bce51b..e02620901117 100644
--- a/arch/mips/kernel/csrc-gic.c
+++ b/arch/mips/kernel/csrc-gic.c
@@ -5,23 +5,14 @@
5 * 5 *
6 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved. 6 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
7 */ 7 */
8#include <linux/clocksource.h>
9#include <linux/init.h> 8#include <linux/init.h>
9#include <linux/time.h>
10 10
11#include <asm/time.h>
12#include <asm/gic.h> 11#include <asm/gic.h>
13 12
14static cycle_t gic_hpt_read(struct clocksource *cs) 13static cycle_t gic_hpt_read(struct clocksource *cs)
15{ 14{
16 unsigned int hi, hi2, lo; 15 return gic_read_count();
17
18 do {
19 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_63_32), hi);
20 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), lo);
21 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_63_32), hi2);
22 } while (hi2 != hi);
23
24 return (((cycle_t) hi) << 32) + lo;
25} 16}
26 17
27static struct clocksource gic_clocksource = { 18static struct clocksource gic_clocksource = {
diff --git a/arch/mips/kernel/genex.S b/arch/mips/kernel/genex.S
index ecb347ce1b3d..5c2ba9f08a80 100644
--- a/arch/mips/kernel/genex.S
+++ b/arch/mips/kernel/genex.S
@@ -5,8 +5,8 @@
5 * 5 *
6 * Copyright (C) 1994 - 2000, 2001, 2003 Ralf Baechle 6 * Copyright (C) 1994 - 2000, 2001, 2003 Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2001 MIPS Technologies, Inc.
9 * Copyright (C) 2002, 2007 Maciej W. Rozycki 8 * Copyright (C) 2002, 2007 Maciej W. Rozycki
9 * Copyright (C) 2001, 2012 MIPS Technologies, Inc. All rights reserved.
10 */ 10 */
11#include <linux/init.h> 11#include <linux/init.h>
12 12
@@ -21,8 +21,10 @@
21#include <asm/war.h> 21#include <asm/war.h>
22#include <asm/thread_info.h> 22#include <asm/thread_info.h>
23 23
24#ifdef CONFIG_MIPS_MT_SMTC
24#define PANIC_PIC(msg) \ 25#define PANIC_PIC(msg) \
25 .set push; \ 26 .set push; \
27 .set nomicromips; \
26 .set reorder; \ 28 .set reorder; \
27 PTR_LA a0,8f; \ 29 PTR_LA a0,8f; \
28 .set noat; \ 30 .set noat; \
@@ -31,17 +33,10 @@
319: b 9b; \ 339: b 9b; \
32 .set pop; \ 34 .set pop; \
33 TEXT(msg) 35 TEXT(msg)
36#endif
34 37
35 __INIT 38 __INIT
36 39
37NESTED(except_vec0_generic, 0, sp)
38 PANIC_PIC("Exception vector 0 called")
39 END(except_vec0_generic)
40
41NESTED(except_vec1_generic, 0, sp)
42 PANIC_PIC("Exception vector 1 called")
43 END(except_vec1_generic)
44
45/* 40/*
46 * General exception vector for all other CPUs. 41 * General exception vector for all other CPUs.
47 * 42 *
@@ -138,12 +133,19 @@ LEAF(r4k_wait)
138 nop 133 nop
139 nop 134 nop
140 nop 135 nop
136#ifdef CONFIG_CPU_MICROMIPS
137 nop
138 nop
139 nop
140 nop
141#endif
141 .set mips3 142 .set mips3
142 wait 143 wait
143 /* end of rollback region (the region size must be power of two) */ 144 /* end of rollback region (the region size must be power of two) */
144 .set pop
1451: 1451:
146 jr ra 146 jr ra
147 nop
148 .set pop
147 END(r4k_wait) 149 END(r4k_wait)
148 150
149 .macro BUILD_ROLLBACK_PROLOGUE handler 151 .macro BUILD_ROLLBACK_PROLOGUE handler
@@ -201,7 +203,11 @@ NESTED(handle_int, PT_SIZE, sp)
201 LONG_L s0, TI_REGS($28) 203 LONG_L s0, TI_REGS($28)
202 LONG_S sp, TI_REGS($28) 204 LONG_S sp, TI_REGS($28)
203 PTR_LA ra, ret_from_irq 205 PTR_LA ra, ret_from_irq
204 j plat_irq_dispatch 206 PTR_LA v0, plat_irq_dispatch
207 jr v0
208#ifdef CONFIG_CPU_MICROMIPS
209 nop
210#endif
205 END(handle_int) 211 END(handle_int)
206 212
207 __INIT 213 __INIT
@@ -222,11 +228,14 @@ NESTED(except_vec4, 0, sp)
222/* 228/*
223 * EJTAG debug exception handler. 229 * EJTAG debug exception handler.
224 * The EJTAG debug exception entry point is 0xbfc00480, which 230 * The EJTAG debug exception entry point is 0xbfc00480, which
225 * normally is in the boot PROM, so the boot PROM must do a 231 * normally is in the boot PROM, so the boot PROM must do an
226 * unconditional jump to this vector. 232 * unconditional jump to this vector.
227 */ 233 */
228NESTED(except_vec_ejtag_debug, 0, sp) 234NESTED(except_vec_ejtag_debug, 0, sp)
229 j ejtag_debug_handler 235 j ejtag_debug_handler
236#ifdef CONFIG_CPU_MICROMIPS
237 nop
238#endif
230 END(except_vec_ejtag_debug) 239 END(except_vec_ejtag_debug)
231 240
232 __FINIT 241 __FINIT
@@ -251,9 +260,10 @@ NESTED(except_vec_vi, 0, sp)
251FEXPORT(except_vec_vi_mori) 260FEXPORT(except_vec_vi_mori)
252 ori a0, $0, 0 261 ori a0, $0, 0
253#endif /* CONFIG_MIPS_MT_SMTC */ 262#endif /* CONFIG_MIPS_MT_SMTC */
263 PTR_LA v1, except_vec_vi_handler
254FEXPORT(except_vec_vi_lui) 264FEXPORT(except_vec_vi_lui)
255 lui v0, 0 /* Patched */ 265 lui v0, 0 /* Patched */
256 j except_vec_vi_handler 266 jr v1
257FEXPORT(except_vec_vi_ori) 267FEXPORT(except_vec_vi_ori)
258 ori v0, 0 /* Patched */ 268 ori v0, 0 /* Patched */
259 .set pop 269 .set pop
@@ -354,6 +364,9 @@ EXPORT(ejtag_debug_buffer)
354 */ 364 */
355NESTED(except_vec_nmi, 0, sp) 365NESTED(except_vec_nmi, 0, sp)
356 j nmi_handler 366 j nmi_handler
367#ifdef CONFIG_CPU_MICROMIPS
368 nop
369#endif
357 END(except_vec_nmi) 370 END(except_vec_nmi)
358 371
359 __FINIT 372 __FINIT
@@ -480,7 +493,7 @@ NESTED(nmi_handler, PT_SIZE, sp)
480 .set noreorder 493 .set noreorder
481 /* check if TLB contains a entry for EPC */ 494 /* check if TLB contains a entry for EPC */
482 MFC0 k1, CP0_ENTRYHI 495 MFC0 k1, CP0_ENTRYHI
483 andi k1, 0xff /* ASID_MASK */ 496 andi k1, 0xff /* ASID_MASK patched at run-time!! */
484 MFC0 k0, CP0_EPC 497 MFC0 k0, CP0_EPC
485 PTR_SRL k0, _PAGE_SHIFT + 1 498 PTR_SRL k0, _PAGE_SHIFT + 1
486 PTR_SLL k0, _PAGE_SHIFT + 1 499 PTR_SLL k0, _PAGE_SHIFT + 1
@@ -500,13 +513,35 @@ NESTED(nmi_handler, PT_SIZE, sp)
500 .set push 513 .set push
501 .set noat 514 .set noat
502 .set noreorder 515 .set noreorder
503 /* 0x7c03e83b: rdhwr v1,$29 */ 516 /* MIPS32: 0x7c03e83b: rdhwr v1,$29 */
517 /* microMIPS: 0x007d6b3c: rdhwr v1,$29 */
504 MFC0 k1, CP0_EPC 518 MFC0 k1, CP0_EPC
505 lui k0, 0x7c03 519#if defined(CONFIG_CPU_MICROMIPS) || defined(CONFIG_CPU_MIPS32_R2) || defined(CONFIG_CPU_MIPS64_R2)
506 lw k1, (k1) 520 and k0, k1, 1
507 ori k0, 0xe83b 521 beqz k0, 1f
508 .set reorder 522 xor k1, k0
523 lhu k0, (k1)
524 lhu k1, 2(k1)
525 ins k1, k0, 16, 16
526 lui k0, 0x007d
527 b docheck
528 ori k0, 0x6b3c
5291:
530 lui k0, 0x7c03
531 lw k1, (k1)
532 ori k0, 0xe83b
533#else
534 andi k0, k1, 1
535 bnez k0, handle_ri
536 lui k0, 0x7c03
537 lw k1, (k1)
538 ori k0, 0xe83b
539#endif
540 .set reorder
541docheck:
509 bne k0, k1, handle_ri /* if not ours */ 542 bne k0, k1, handle_ri /* if not ours */
543
544isrdhwr:
510 /* The insn is rdhwr. No need to check CAUSE.BD here. */ 545 /* The insn is rdhwr. No need to check CAUSE.BD here. */
511 get_saved_sp /* k1 := current_thread_info */ 546 get_saved_sp /* k1 := current_thread_info */
512 .set noreorder 547 .set noreorder
diff --git a/arch/mips/kernel/irq-gic.c b/arch/mips/kernel/irq-gic.c
index 485e6a961b31..c01b307317a9 100644
--- a/arch/mips/kernel/irq-gic.c
+++ b/arch/mips/kernel/irq-gic.c
@@ -10,6 +10,7 @@
10#include <linux/init.h> 10#include <linux/init.h>
11#include <linux/smp.h> 11#include <linux/smp.h>
12#include <linux/irq.h> 12#include <linux/irq.h>
13#include <linux/clocksource.h>
13 14
14#include <asm/io.h> 15#include <asm/io.h>
15#include <asm/gic.h> 16#include <asm/gic.h>
@@ -19,6 +20,8 @@
19#include <linux/hardirq.h> 20#include <linux/hardirq.h>
20#include <asm-generic/bitops/find.h> 21#include <asm-generic/bitops/find.h>
21 22
23unsigned int gic_frequency;
24unsigned int gic_present;
22unsigned long _gic_base; 25unsigned long _gic_base;
23unsigned int gic_irq_base; 26unsigned int gic_irq_base;
24unsigned int gic_irq_flags[GIC_NUM_INTRS]; 27unsigned int gic_irq_flags[GIC_NUM_INTRS];
@@ -30,6 +33,39 @@ static struct gic_pcpu_mask pcpu_masks[NR_CPUS];
30static struct gic_pending_regs pending_regs[NR_CPUS]; 33static struct gic_pending_regs pending_regs[NR_CPUS];
31static struct gic_intrmask_regs intrmask_regs[NR_CPUS]; 34static struct gic_intrmask_regs intrmask_regs[NR_CPUS];
32 35
36#if defined(CONFIG_CSRC_GIC) || defined(CONFIG_CEVT_GIC)
37cycle_t gic_read_count(void)
38{
39 unsigned int hi, hi2, lo;
40
41 do {
42 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_63_32), hi);
43 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), lo);
44 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_63_32), hi2);
45 } while (hi2 != hi);
46
47 return (((cycle_t) hi) << 32) + lo;
48}
49
50void gic_write_compare(cycle_t cnt)
51{
52 GICWRITE(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE_HI),
53 (int)(cnt >> 32));
54 GICWRITE(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE_LO),
55 (int)(cnt & 0xffffffff));
56}
57
58cycle_t gic_read_compare(void)
59{
60 unsigned int hi, lo;
61
62 GICREAD(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE_HI), hi);
63 GICREAD(GIC_REG(VPE_LOCAL, GIC_VPE_COMPARE_LO), lo);
64
65 return (((cycle_t) hi) << 32) + lo;
66}
67#endif
68
33unsigned int gic_get_timer_pending(void) 69unsigned int gic_get_timer_pending(void)
34{ 70{
35 unsigned int vpe_pending; 71 unsigned int vpe_pending;
@@ -116,6 +152,17 @@ static void __init vpe_local_setup(unsigned int numvpes)
116 } 152 }
117} 153}
118 154
155unsigned int gic_compare_int(void)
156{
157 unsigned int pending;
158
159 GICREAD(GIC_REG(VPE_LOCAL, GIC_VPE_PEND), pending);
160 if (pending & GIC_VPE_PEND_CMP_MSK)
161 return 1;
162 else
163 return 0;
164}
165
119unsigned int gic_get_int(void) 166unsigned int gic_get_int(void)
120{ 167{
121 unsigned int i; 168 unsigned int i;
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 1dd137bab5c5..a3e461408b7e 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -99,6 +99,10 @@ static int show_cpuinfo(struct seq_file *m, void *v)
99 if (cpu_has_vz) seq_printf(m, "%s", " vz"); 99 if (cpu_has_vz) seq_printf(m, "%s", " vz");
100 seq_printf(m, "\n"); 100 seq_printf(m, "\n");
101 101
102 if (cpu_has_mmips) {
103 seq_printf(m, "micromips kernel\t: %s\n",
104 (read_c0_config3() & MIPS_CONF3_ISA_OE) ? "yes" : "no");
105 }
102 seq_printf(m, "shadow register sets\t: %d\n", 106 seq_printf(m, "shadow register sets\t: %d\n",
103 cpu_data[n].srsets); 107 cpu_data[n].srsets);
104 seq_printf(m, "kscratch registers\t: %d\n", 108 seq_printf(m, "kscratch registers\t: %d\n",
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 3be4405c2d14..ef533760d2c8 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -7,6 +7,7 @@
7 * Copyright (C) 2005, 2006 by Ralf Baechle (ralf@linux-mips.org) 7 * Copyright (C) 2005, 2006 by Ralf Baechle (ralf@linux-mips.org)
8 * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 8 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
9 * Copyright (C) 2004 Thiemo Seufer 9 * Copyright (C) 2004 Thiemo Seufer
10 * Copyright (C) 2013 Imagination Technologies Ltd.
10 */ 11 */
11#include <linux/errno.h> 12#include <linux/errno.h>
12#include <linux/sched.h> 13#include <linux/sched.h>
@@ -243,34 +244,115 @@ struct mips_frame_info {
243 244
244static inline int is_ra_save_ins(union mips_instruction *ip) 245static inline int is_ra_save_ins(union mips_instruction *ip)
245{ 246{
247#ifdef CONFIG_CPU_MICROMIPS
248 union mips_instruction mmi;
249
250 /*
251 * swsp ra,offset
252 * swm16 reglist,offset(sp)
253 * swm32 reglist,offset(sp)
254 * sw32 ra,offset(sp)
255 * jradiussp - NOT SUPPORTED
256 *
257 * microMIPS is way more fun...
258 */
259 if (mm_insn_16bit(ip->halfword[0])) {
260 mmi.word = (ip->halfword[0] << 16);
261 return ((mmi.mm16_r5_format.opcode == mm_swsp16_op &&
262 mmi.mm16_r5_format.rt == 31) ||
263 (mmi.mm16_m_format.opcode == mm_pool16c_op &&
264 mmi.mm16_m_format.func == mm_swm16_op));
265 }
266 else {
267 mmi.halfword[0] = ip->halfword[1];
268 mmi.halfword[1] = ip->halfword[0];
269 return ((mmi.mm_m_format.opcode == mm_pool32b_op &&
270 mmi.mm_m_format.rd > 9 &&
271 mmi.mm_m_format.base == 29 &&
272 mmi.mm_m_format.func == mm_swm32_func) ||
273 (mmi.i_format.opcode == mm_sw32_op &&
274 mmi.i_format.rs == 29 &&
275 mmi.i_format.rt == 31));
276 }
277#else
246 /* sw / sd $ra, offset($sp) */ 278 /* sw / sd $ra, offset($sp) */
247 return (ip->i_format.opcode == sw_op || ip->i_format.opcode == sd_op) && 279 return (ip->i_format.opcode == sw_op || ip->i_format.opcode == sd_op) &&
248 ip->i_format.rs == 29 && 280 ip->i_format.rs == 29 &&
249 ip->i_format.rt == 31; 281 ip->i_format.rt == 31;
282#endif
250} 283}
251 284
252static inline int is_jal_jalr_jr_ins(union mips_instruction *ip) 285static inline int is_jal_jalr_jr_ins(union mips_instruction *ip)
253{ 286{
287#ifdef CONFIG_CPU_MICROMIPS
288 /*
289 * jr16,jrc,jalr16,jalr16
290 * jal
291 * jalr/jr,jalr.hb/jr.hb,jalrs,jalrs.hb
292 * jraddiusp - NOT SUPPORTED
293 *
294 * microMIPS is kind of more fun...
295 */
296 union mips_instruction mmi;
297
298 mmi.word = (ip->halfword[0] << 16);
299
300 if ((mmi.mm16_r5_format.opcode == mm_pool16c_op &&
301 (mmi.mm16_r5_format.rt & mm_jr16_op) == mm_jr16_op) ||
302 ip->j_format.opcode == mm_jal32_op)
303 return 1;
304 if (ip->r_format.opcode != mm_pool32a_op ||
305 ip->r_format.func != mm_pool32axf_op)
306 return 0;
307 return (((ip->u_format.uimmediate >> 6) & mm_jalr_op) == mm_jalr_op);
308#else
254 if (ip->j_format.opcode == jal_op) 309 if (ip->j_format.opcode == jal_op)
255 return 1; 310 return 1;
256 if (ip->r_format.opcode != spec_op) 311 if (ip->r_format.opcode != spec_op)
257 return 0; 312 return 0;
258 return ip->r_format.func == jalr_op || ip->r_format.func == jr_op; 313 return ip->r_format.func == jalr_op || ip->r_format.func == jr_op;
314#endif
259} 315}
260 316
261static inline int is_sp_move_ins(union mips_instruction *ip) 317static inline int is_sp_move_ins(union mips_instruction *ip)
262{ 318{
319#ifdef CONFIG_CPU_MICROMIPS
320 /*
321 * addiusp -imm
322 * addius5 sp,-imm
323 * addiu32 sp,sp,-imm
324 * jradiussp - NOT SUPPORTED
325 *
326 * microMIPS is not more fun...
327 */
328 if (mm_insn_16bit(ip->halfword[0])) {
329 union mips_instruction mmi;
330
331 mmi.word = (ip->halfword[0] << 16);
332 return ((mmi.mm16_r3_format.opcode == mm_pool16d_op &&
333 mmi.mm16_r3_format.simmediate && mm_addiusp_func) ||
334 (mmi.mm16_r5_format.opcode == mm_pool16d_op &&
335 mmi.mm16_r5_format.rt == 29));
336 }
337 return (ip->mm_i_format.opcode == mm_addiu32_op &&
338 ip->mm_i_format.rt == 29 && ip->mm_i_format.rs == 29);
339#else
263 /* addiu/daddiu sp,sp,-imm */ 340 /* addiu/daddiu sp,sp,-imm */
264 if (ip->i_format.rs != 29 || ip->i_format.rt != 29) 341 if (ip->i_format.rs != 29 || ip->i_format.rt != 29)
265 return 0; 342 return 0;
266 if (ip->i_format.opcode == addiu_op || ip->i_format.opcode == daddiu_op) 343 if (ip->i_format.opcode == addiu_op || ip->i_format.opcode == daddiu_op)
267 return 1; 344 return 1;
345#endif
268 return 0; 346 return 0;
269} 347}
270 348
271static int get_frame_info(struct mips_frame_info *info) 349static int get_frame_info(struct mips_frame_info *info)
272{ 350{
351#ifdef CONFIG_CPU_MICROMIPS
352 union mips_instruction *ip = (void *) (((char *) info->func) - 1);
353#else
273 union mips_instruction *ip = info->func; 354 union mips_instruction *ip = info->func;
355#endif
274 unsigned max_insns = info->func_size / sizeof(union mips_instruction); 356 unsigned max_insns = info->func_size / sizeof(union mips_instruction);
275 unsigned i; 357 unsigned i;
276 358
@@ -290,7 +372,26 @@ static int get_frame_info(struct mips_frame_info *info)
290 break; 372 break;
291 if (!info->frame_size) { 373 if (!info->frame_size) {
292 if (is_sp_move_ins(ip)) 374 if (is_sp_move_ins(ip))
375 {
376#ifdef CONFIG_CPU_MICROMIPS
377 if (mm_insn_16bit(ip->halfword[0]))
378 {
379 unsigned short tmp;
380
381 if (ip->halfword[0] & mm_addiusp_func)
382 {
383 tmp = (((ip->halfword[0] >> 1) & 0x1ff) << 2);
384 info->frame_size = -(signed short)(tmp | ((tmp & 0x100) ? 0xfe00 : 0));
385 } else {
386 tmp = (ip->halfword[0] >> 1);
387 info->frame_size = -(signed short)(tmp & 0xf);
388 }
389 ip = (void *) &ip->halfword[1];
390 ip--;
391 } else
392#endif
293 info->frame_size = - ip->i_format.simmediate; 393 info->frame_size = - ip->i_format.simmediate;
394 }
294 continue; 395 continue;
295 } 396 }
296 if (info->pc_offset == -1 && is_ra_save_ins(ip)) { 397 if (info->pc_offset == -1 && is_ra_save_ins(ip)) {
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 9ea29649fc28..9b36424b03c5 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -138,9 +138,18 @@ stackargs:
1385: jr t1 1385: jr t1
139 sw t5, 16(sp) # argument #5 to ksp 139 sw t5, 16(sp) # argument #5 to ksp
140 140
141#ifdef CONFIG_CPU_MICROMIPS
141 sw t8, 28(sp) # argument #8 to ksp 142 sw t8, 28(sp) # argument #8 to ksp
143 nop
142 sw t7, 24(sp) # argument #7 to ksp 144 sw t7, 24(sp) # argument #7 to ksp
145 nop
143 sw t6, 20(sp) # argument #6 to ksp 146 sw t6, 20(sp) # argument #6 to ksp
147 nop
148#else
149 sw t8, 28(sp) # argument #8 to ksp
150 sw t7, 24(sp) # argument #7 to ksp
151 sw t6, 20(sp) # argument #6 to ksp
152#endif
1446: j stack_done # go back 1536: j stack_done # go back
145 nop 154 nop
146 .set pop 155 .set pop
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index b5e88fd83277..fd3ef2c2afbc 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -35,6 +35,7 @@
35#include <asm/war.h> 35#include <asm/war.h>
36#include <asm/vdso.h> 36#include <asm/vdso.h>
37#include <asm/dsp.h> 37#include <asm/dsp.h>
38#include <asm/inst.h>
38 39
39#include "signal-common.h" 40#include "signal-common.h"
40 41
@@ -480,7 +481,15 @@ static void handle_signal(unsigned long sig, siginfo_t *info,
480 sigset_t *oldset = sigmask_to_save(); 481 sigset_t *oldset = sigmask_to_save();
481 int ret; 482 int ret;
482 struct mips_abi *abi = current->thread.abi; 483 struct mips_abi *abi = current->thread.abi;
484#ifdef CONFIG_CPU_MICROMIPS
485 void *vdso;
486 unsigned int tmp = (unsigned int)current->mm->context.vdso;
487
488 set_isa16_mode(tmp);
489 vdso = (void *)tmp;
490#else
483 void *vdso = current->mm->context.vdso; 491 void *vdso = current->mm->context.vdso;
492#endif
484 493
485 if (regs->regs[0]) { 494 if (regs->regs[0]) {
486 switch(regs->regs[2]) { 495 switch(regs->regs[2]) {
diff --git a/arch/mips/kernel/smp-mt.c b/arch/mips/kernel/smp-mt.c
index bfede063d96a..3e5164c11cac 100644
--- a/arch/mips/kernel/smp-mt.c
+++ b/arch/mips/kernel/smp-mt.c
@@ -34,6 +34,7 @@
34#include <asm/mipsregs.h> 34#include <asm/mipsregs.h>
35#include <asm/mipsmtregs.h> 35#include <asm/mipsmtregs.h>
36#include <asm/mips_mt.h> 36#include <asm/mips_mt.h>
37#include <asm/gic.h>
37 38
38static void __init smvp_copy_vpe_config(void) 39static void __init smvp_copy_vpe_config(void)
39{ 40{
@@ -151,8 +152,6 @@ static void vsmp_send_ipi_mask(const struct cpumask *mask, unsigned int action)
151static void __cpuinit vsmp_init_secondary(void) 152static void __cpuinit vsmp_init_secondary(void)
152{ 153{
153#ifdef CONFIG_IRQ_GIC 154#ifdef CONFIG_IRQ_GIC
154 extern int gic_present;
155
156 /* This is Malta specific: IPI,performance and timer interrupts */ 155 /* This is Malta specific: IPI,performance and timer interrupts */
157 if (gic_present) 156 if (gic_present)
158 change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 | 157 change_c0_status(ST0_IM, STATUSF_IP3 | STATUSF_IP4 |
diff --git a/arch/mips/kernel/smtc-asm.S b/arch/mips/kernel/smtc-asm.S
index 76016ac0a9c8..2866863a39df 100644
--- a/arch/mips/kernel/smtc-asm.S
+++ b/arch/mips/kernel/smtc-asm.S
@@ -49,6 +49,9 @@ CAN WE PROVE THAT WE WON'T DO THIS IF INTS DISABLED??
49 .text 49 .text
50 .align 5 50 .align 5
51FEXPORT(__smtc_ipi_vector) 51FEXPORT(__smtc_ipi_vector)
52#ifdef CONFIG_CPU_MICROMIPS
53 nop
54#endif
52 .set noat 55 .set noat
53 /* Disable thread scheduling to make Status update atomic */ 56 /* Disable thread scheduling to make Status update atomic */
54 DMT 27 # dmt k1 57 DMT 27 # dmt k1
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 7186222dc5bb..31d22f3121c9 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -111,7 +111,7 @@ static int vpe0limit;
111static int ipibuffers; 111static int ipibuffers;
112static int nostlb; 112static int nostlb;
113static int asidmask; 113static int asidmask;
114unsigned long smtc_asid_mask = 0xff; 114unsigned int smtc_asid_mask = 0xff;
115 115
116static int __init vpe0tcs(char *str) 116static int __init vpe0tcs(char *str)
117{ 117{
@@ -1395,7 +1395,7 @@ void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
1395 asid = asid_cache(cpu); 1395 asid = asid_cache(cpu);
1396 1396
1397 do { 1397 do {
1398 if (!((asid += ASID_INC) & ASID_MASK) ) { 1398 if (!ASID_MASK(ASID_INC(asid))) {
1399 if (cpu_has_vtag_icache) 1399 if (cpu_has_vtag_icache)
1400 flush_icache_all(); 1400 flush_icache_all();
1401 /* Traverse all online CPUs (hack requires contiguous range) */ 1401 /* Traverse all online CPUs (hack requires contiguous range) */
@@ -1414,7 +1414,7 @@ void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
1414 mips_ihb(); 1414 mips_ihb();
1415 } 1415 }
1416 tcstat = read_tc_c0_tcstatus(); 1416 tcstat = read_tc_c0_tcstatus();
1417 smtc_live_asid[tlb][(tcstat & ASID_MASK)] |= (asiduse)(0x1 << i); 1417 smtc_live_asid[tlb][ASID_MASK(tcstat)] |= (asiduse)(0x1 << i);
1418 if (!prevhalt) 1418 if (!prevhalt)
1419 write_tc_c0_tchalt(0); 1419 write_tc_c0_tchalt(0);
1420 } 1420 }
@@ -1423,7 +1423,7 @@ void smtc_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu)
1423 asid = ASID_FIRST_VERSION; 1423 asid = ASID_FIRST_VERSION;
1424 local_flush_tlb_all(); /* start new asid cycle */ 1424 local_flush_tlb_all(); /* start new asid cycle */
1425 } 1425 }
1426 } while (smtc_live_asid[tlb][(asid & ASID_MASK)]); 1426 } while (smtc_live_asid[tlb][ASID_MASK(asid)]);
1427 1427
1428 /* 1428 /*
1429 * SMTC shares the TLB within VPEs and possibly across all VPEs. 1429 * SMTC shares the TLB within VPEs and possibly across all VPEs.
@@ -1461,7 +1461,7 @@ void smtc_flush_tlb_asid(unsigned long asid)
1461 tlb_read(); 1461 tlb_read();
1462 ehb(); 1462 ehb();
1463 ehi = read_c0_entryhi(); 1463 ehi = read_c0_entryhi();
1464 if ((ehi & ASID_MASK) == asid) { 1464 if (ASID_MASK(ehi) == asid) {
1465 /* 1465 /*
1466 * Invalidate only entries with specified ASID, 1466 * Invalidate only entries with specified ASID,
1467 * makiing sure all entries differ. 1467 * makiing sure all entries differ.
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 7a99e60dadbd..3c906e723fd4 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -8,8 +8,8 @@
8 * Copyright (C) 1998 Ulf Carlsson 8 * Copyright (C) 1998 Ulf Carlsson
9 * Copyright (C) 1999 Silicon Graphics, Inc. 9 * Copyright (C) 1999 Silicon Graphics, Inc.
10 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com 10 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com
11 * Copyright (C) 2000, 01 MIPS Technologies, Inc.
12 * Copyright (C) 2002, 2003, 2004, 2005, 2007 Maciej W. Rozycki 11 * Copyright (C) 2002, 2003, 2004, 2005, 2007 Maciej W. Rozycki
12 * Copyright (C) 2000, 2001, 2012 MIPS Technologies, Inc. All rights reserved.
13 */ 13 */
14#include <linux/bug.h> 14#include <linux/bug.h>
15#include <linux/compiler.h> 15#include <linux/compiler.h>
@@ -83,10 +83,6 @@ extern asmlinkage void handle_dsp(void);
83extern asmlinkage void handle_mcheck(void); 83extern asmlinkage void handle_mcheck(void);
84extern asmlinkage void handle_reserved(void); 84extern asmlinkage void handle_reserved(void);
85 85
86extern int fpu_emulator_cop1Handler(struct pt_regs *xcp,
87 struct mips_fpu_struct *ctx, int has_fpu,
88 void *__user *fault_addr);
89
90void (*board_be_init)(void); 86void (*board_be_init)(void);
91int (*board_be_handler)(struct pt_regs *regs, int is_fixup); 87int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
92void (*board_nmi_handler_setup)(void); 88void (*board_nmi_handler_setup)(void);
@@ -495,6 +491,12 @@ asmlinkage void do_be(struct pt_regs *regs)
495#define SYNC 0x0000000f 491#define SYNC 0x0000000f
496#define RDHWR 0x0000003b 492#define RDHWR 0x0000003b
497 493
494/* microMIPS definitions */
495#define MM_POOL32A_FUNC 0xfc00ffff
496#define MM_RDHWR 0x00006b3c
497#define MM_RS 0x001f0000
498#define MM_RT 0x03e00000
499
498/* 500/*
499 * The ll_bit is cleared by r*_switch.S 501 * The ll_bit is cleared by r*_switch.S
500 */ 502 */
@@ -609,42 +611,62 @@ static int simulate_llsc(struct pt_regs *regs, unsigned int opcode)
609 * Simulate trapping 'rdhwr' instructions to provide user accessible 611 * Simulate trapping 'rdhwr' instructions to provide user accessible
610 * registers not implemented in hardware. 612 * registers not implemented in hardware.
611 */ 613 */
612static int simulate_rdhwr(struct pt_regs *regs, unsigned int opcode) 614static int simulate_rdhwr(struct pt_regs *regs, int rd, int rt)
613{ 615{
614 struct thread_info *ti = task_thread_info(current); 616 struct thread_info *ti = task_thread_info(current);
615 617
618 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS,
619 1, regs, 0);
620 switch (rd) {
621 case 0: /* CPU number */
622 regs->regs[rt] = smp_processor_id();
623 return 0;
624 case 1: /* SYNCI length */
625 regs->regs[rt] = min(current_cpu_data.dcache.linesz,
626 current_cpu_data.icache.linesz);
627 return 0;
628 case 2: /* Read count register */
629 regs->regs[rt] = read_c0_count();
630 return 0;
631 case 3: /* Count register resolution */
632 switch (current_cpu_data.cputype) {
633 case CPU_20KC:
634 case CPU_25KF:
635 regs->regs[rt] = 1;
636 break;
637 default:
638 regs->regs[rt] = 2;
639 }
640 return 0;
641 case 29:
642 regs->regs[rt] = ti->tp_value;
643 return 0;
644 default:
645 return -1;
646 }
647}
648
649static int simulate_rdhwr_normal(struct pt_regs *regs, unsigned int opcode)
650{
616 if ((opcode & OPCODE) == SPEC3 && (opcode & FUNC) == RDHWR) { 651 if ((opcode & OPCODE) == SPEC3 && (opcode & FUNC) == RDHWR) {
617 int rd = (opcode & RD) >> 11; 652 int rd = (opcode & RD) >> 11;
618 int rt = (opcode & RT) >> 16; 653 int rt = (opcode & RT) >> 16;
619 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 654
620 1, regs, 0); 655 simulate_rdhwr(regs, rd, rt);
621 switch (rd) { 656 return 0;
622 case 0: /* CPU number */ 657 }
623 regs->regs[rt] = smp_processor_id(); 658
624 return 0; 659 /* Not ours. */
625 case 1: /* SYNCI length */ 660 return -1;
626 regs->regs[rt] = min(current_cpu_data.dcache.linesz, 661}
627 current_cpu_data.icache.linesz); 662
628 return 0; 663static int simulate_rdhwr_mm(struct pt_regs *regs, unsigned short opcode)
629 case 2: /* Read count register */ 664{
630 regs->regs[rt] = read_c0_count(); 665 if ((opcode & MM_POOL32A_FUNC) == MM_RDHWR) {
631 return 0; 666 int rd = (opcode & MM_RS) >> 16;
632 case 3: /* Count register resolution */ 667 int rt = (opcode & MM_RT) >> 21;
633 switch (current_cpu_data.cputype) { 668 simulate_rdhwr(regs, rd, rt);
634 case CPU_20KC: 669 return 0;
635 case CPU_25KF:
636 regs->regs[rt] = 1;
637 break;
638 default:
639 regs->regs[rt] = 2;
640 }
641 return 0;
642 case 29:
643 regs->regs[rt] = ti->tp_value;
644 return 0;
645 default:
646 return -1;
647 }
648 } 670 }
649 671
650 /* Not ours. */ 672 /* Not ours. */
@@ -675,7 +697,7 @@ asmlinkage void do_ov(struct pt_regs *regs)
675 force_sig_info(SIGFPE, &info, current); 697 force_sig_info(SIGFPE, &info, current);
676} 698}
677 699
678static int process_fpemu_return(int sig, void __user *fault_addr) 700int process_fpemu_return(int sig, void __user *fault_addr)
679{ 701{
680 if (sig == SIGSEGV || sig == SIGBUS) { 702 if (sig == SIGSEGV || sig == SIGBUS) {
681 struct siginfo si = {0}; 703 struct siginfo si = {0};
@@ -826,9 +848,29 @@ static void do_trap_or_bp(struct pt_regs *regs, unsigned int code,
826asmlinkage void do_bp(struct pt_regs *regs) 848asmlinkage void do_bp(struct pt_regs *regs)
827{ 849{
828 unsigned int opcode, bcode; 850 unsigned int opcode, bcode;
829 851 unsigned long epc;
830 if (__get_user(opcode, (unsigned int __user *) exception_epc(regs))) 852 u16 instr[2];
831 goto out_sigsegv; 853
854 if (get_isa16_mode(regs->cp0_epc)) {
855 /* Calculate EPC. */
856 epc = exception_epc(regs);
857 if (cpu_has_mmips) {
858 if ((__get_user(instr[0], (u16 __user *)msk_isa16_mode(epc)) ||
859 (__get_user(instr[1], (u16 __user *)msk_isa16_mode(epc + 2)))))
860 goto out_sigsegv;
861 opcode = (instr[0] << 16) | instr[1];
862 } else {
863 /* MIPS16e mode */
864 if (__get_user(instr[0], (u16 __user *)msk_isa16_mode(epc)))
865 goto out_sigsegv;
866 bcode = (instr[0] >> 6) & 0x3f;
867 do_trap_or_bp(regs, bcode, "Break");
868 return;
869 }
870 } else {
871 if (__get_user(opcode, (unsigned int __user *) exception_epc(regs)))
872 goto out_sigsegv;
873 }
832 874
833 /* 875 /*
834 * There is the ancient bug in the MIPS assemblers that the break 876 * There is the ancient bug in the MIPS assemblers that the break
@@ -869,13 +911,22 @@ out_sigsegv:
869asmlinkage void do_tr(struct pt_regs *regs) 911asmlinkage void do_tr(struct pt_regs *regs)
870{ 912{
871 unsigned int opcode, tcode = 0; 913 unsigned int opcode, tcode = 0;
914 u16 instr[2];
915 unsigned long epc = exception_epc(regs);
872 916
873 if (__get_user(opcode, (unsigned int __user *) exception_epc(regs))) 917 if ((__get_user(instr[0], (u16 __user *)msk_isa16_mode(epc))) ||
874 goto out_sigsegv; 918 (__get_user(instr[1], (u16 __user *)msk_isa16_mode(epc + 2))))
919 goto out_sigsegv;
920 opcode = (instr[0] << 16) | instr[1];
875 921
876 /* Immediate versions don't provide a code. */ 922 /* Immediate versions don't provide a code. */
877 if (!(opcode & OPCODE)) 923 if (!(opcode & OPCODE)) {
878 tcode = ((opcode >> 6) & ((1 << 10) - 1)); 924 if (get_isa16_mode(regs->cp0_epc))
925 /* microMIPS */
926 tcode = (opcode >> 12) & 0x1f;
927 else
928 tcode = ((opcode >> 6) & ((1 << 10) - 1));
929 }
879 930
880 do_trap_or_bp(regs, tcode, "Trap"); 931 do_trap_or_bp(regs, tcode, "Trap");
881 return; 932 return;
@@ -888,6 +939,7 @@ asmlinkage void do_ri(struct pt_regs *regs)
888{ 939{
889 unsigned int __user *epc = (unsigned int __user *)exception_epc(regs); 940 unsigned int __user *epc = (unsigned int __user *)exception_epc(regs);
890 unsigned long old_epc = regs->cp0_epc; 941 unsigned long old_epc = regs->cp0_epc;
942 unsigned long old31 = regs->regs[31];
891 unsigned int opcode = 0; 943 unsigned int opcode = 0;
892 int status = -1; 944 int status = -1;
893 945
@@ -900,23 +952,37 @@ asmlinkage void do_ri(struct pt_regs *regs)
900 if (unlikely(compute_return_epc(regs) < 0)) 952 if (unlikely(compute_return_epc(regs) < 0))
901 return; 953 return;
902 954
903 if (unlikely(get_user(opcode, epc) < 0)) 955 if (get_isa16_mode(regs->cp0_epc)) {
904 status = SIGSEGV; 956 unsigned short mmop[2] = { 0 };
905 957
906 if (!cpu_has_llsc && status < 0) 958 if (unlikely(get_user(mmop[0], epc) < 0))
907 status = simulate_llsc(regs, opcode); 959 status = SIGSEGV;
960 if (unlikely(get_user(mmop[1], epc) < 0))
961 status = SIGSEGV;
962 opcode = (mmop[0] << 16) | mmop[1];
908 963
909 if (status < 0) 964 if (status < 0)
910 status = simulate_rdhwr(regs, opcode); 965 status = simulate_rdhwr_mm(regs, opcode);
966 } else {
967 if (unlikely(get_user(opcode, epc) < 0))
968 status = SIGSEGV;
911 969
912 if (status < 0) 970 if (!cpu_has_llsc && status < 0)
913 status = simulate_sync(regs, opcode); 971 status = simulate_llsc(regs, opcode);
972
973 if (status < 0)
974 status = simulate_rdhwr_normal(regs, opcode);
975
976 if (status < 0)
977 status = simulate_sync(regs, opcode);
978 }
914 979
915 if (status < 0) 980 if (status < 0)
916 status = SIGILL; 981 status = SIGILL;
917 982
918 if (unlikely(status > 0)) { 983 if (unlikely(status > 0)) {
919 regs->cp0_epc = old_epc; /* Undo skip-over. */ 984 regs->cp0_epc = old_epc; /* Undo skip-over. */
985 regs->regs[31] = old31;
920 force_sig(status, current); 986 force_sig(status, current);
921 } 987 }
922} 988}
@@ -986,7 +1052,7 @@ static int default_cu2_call(struct notifier_block *nfb, unsigned long action,
986asmlinkage void do_cpu(struct pt_regs *regs) 1052asmlinkage void do_cpu(struct pt_regs *regs)
987{ 1053{
988 unsigned int __user *epc; 1054 unsigned int __user *epc;
989 unsigned long old_epc; 1055 unsigned long old_epc, old31;
990 unsigned int opcode; 1056 unsigned int opcode;
991 unsigned int cpid; 1057 unsigned int cpid;
992 int status; 1058 int status;
@@ -1000,26 +1066,41 @@ asmlinkage void do_cpu(struct pt_regs *regs)
1000 case 0: 1066 case 0:
1001 epc = (unsigned int __user *)exception_epc(regs); 1067 epc = (unsigned int __user *)exception_epc(regs);
1002 old_epc = regs->cp0_epc; 1068 old_epc = regs->cp0_epc;
1069 old31 = regs->regs[31];
1003 opcode = 0; 1070 opcode = 0;
1004 status = -1; 1071 status = -1;
1005 1072
1006 if (unlikely(compute_return_epc(regs) < 0)) 1073 if (unlikely(compute_return_epc(regs) < 0))
1007 return; 1074 return;
1008 1075
1009 if (unlikely(get_user(opcode, epc) < 0)) 1076 if (get_isa16_mode(regs->cp0_epc)) {
1010 status = SIGSEGV; 1077 unsigned short mmop[2] = { 0 };
1011 1078
1012 if (!cpu_has_llsc && status < 0) 1079 if (unlikely(get_user(mmop[0], epc) < 0))
1013 status = simulate_llsc(regs, opcode); 1080 status = SIGSEGV;
1081 if (unlikely(get_user(mmop[1], epc) < 0))
1082 status = SIGSEGV;
1083 opcode = (mmop[0] << 16) | mmop[1];
1014 1084
1015 if (status < 0) 1085 if (status < 0)
1016 status = simulate_rdhwr(regs, opcode); 1086 status = simulate_rdhwr_mm(regs, opcode);
1087 } else {
1088 if (unlikely(get_user(opcode, epc) < 0))
1089 status = SIGSEGV;
1090
1091 if (!cpu_has_llsc && status < 0)
1092 status = simulate_llsc(regs, opcode);
1093
1094 if (status < 0)
1095 status = simulate_rdhwr_normal(regs, opcode);
1096 }
1017 1097
1018 if (status < 0) 1098 if (status < 0)
1019 status = SIGILL; 1099 status = SIGILL;
1020 1100
1021 if (unlikely(status > 0)) { 1101 if (unlikely(status > 0)) {
1022 regs->cp0_epc = old_epc; /* Undo skip-over. */ 1102 regs->cp0_epc = old_epc; /* Undo skip-over. */
1103 regs->regs[31] = old31;
1023 force_sig(status, current); 1104 force_sig(status, current);
1024 } 1105 }
1025 1106
@@ -1333,7 +1414,7 @@ asmlinkage void cache_parity_error(void)
1333void ejtag_exception_handler(struct pt_regs *regs) 1414void ejtag_exception_handler(struct pt_regs *regs)
1334{ 1415{
1335 const int field = 2 * sizeof(unsigned long); 1416 const int field = 2 * sizeof(unsigned long);
1336 unsigned long depc, old_epc; 1417 unsigned long depc, old_epc, old_ra;
1337 unsigned int debug; 1418 unsigned int debug;
1338 1419
1339 printk(KERN_DEBUG "SDBBP EJTAG debug exception - not handled yet, just ignored!\n"); 1420 printk(KERN_DEBUG "SDBBP EJTAG debug exception - not handled yet, just ignored!\n");
@@ -1348,10 +1429,12 @@ void ejtag_exception_handler(struct pt_regs *regs)
1348 * calculation. 1429 * calculation.
1349 */ 1430 */
1350 old_epc = regs->cp0_epc; 1431 old_epc = regs->cp0_epc;
1432 old_ra = regs->regs[31];
1351 regs->cp0_epc = depc; 1433 regs->cp0_epc = depc;
1352 __compute_return_epc(regs); 1434 compute_return_epc(regs);
1353 depc = regs->cp0_epc; 1435 depc = regs->cp0_epc;
1354 regs->cp0_epc = old_epc; 1436 regs->cp0_epc = old_epc;
1437 regs->regs[31] = old_ra;
1355 } else 1438 } else
1356 depc += 4; 1439 depc += 4;
1357 write_c0_depc(depc); 1440 write_c0_depc(depc);
@@ -1390,10 +1473,27 @@ unsigned long vi_handlers[64];
1390void __init *set_except_vector(int n, void *addr) 1473void __init *set_except_vector(int n, void *addr)
1391{ 1474{
1392 unsigned long handler = (unsigned long) addr; 1475 unsigned long handler = (unsigned long) addr;
1393 unsigned long old_handler = xchg(&exception_handlers[n], handler); 1476 unsigned long old_handler;
1477
1478#ifdef CONFIG_CPU_MICROMIPS
1479 /*
1480 * Only the TLB handlers are cache aligned with an even
1481 * address. All other handlers are on an odd address and
1482 * require no modification. Otherwise, MIPS32 mode will
1483 * be entered when handling any TLB exceptions. That
1484 * would be bad...since we must stay in microMIPS mode.
1485 */
1486 if (!(handler & 0x1))
1487 handler |= 1;
1488#endif
1489 old_handler = xchg(&exception_handlers[n], handler);
1394 1490
1395 if (n == 0 && cpu_has_divec) { 1491 if (n == 0 && cpu_has_divec) {
1492#ifdef CONFIG_CPU_MICROMIPS
1493 unsigned long jump_mask = ~((1 << 27) - 1);
1494#else
1396 unsigned long jump_mask = ~((1 << 28) - 1); 1495 unsigned long jump_mask = ~((1 << 28) - 1);
1496#endif
1397 u32 *buf = (u32 *)(ebase + 0x200); 1497 u32 *buf = (u32 *)(ebase + 0x200);
1398 unsigned int k0 = 26; 1498 unsigned int k0 = 26;
1399 if ((handler & jump_mask) == ((ebase + 0x200) & jump_mask)) { 1499 if ((handler & jump_mask) == ((ebase + 0x200) & jump_mask)) {
@@ -1420,17 +1520,18 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
1420 unsigned long handler; 1520 unsigned long handler;
1421 unsigned long old_handler = vi_handlers[n]; 1521 unsigned long old_handler = vi_handlers[n];
1422 int srssets = current_cpu_data.srsets; 1522 int srssets = current_cpu_data.srsets;
1423 u32 *w; 1523 u16 *h;
1424 unsigned char *b; 1524 unsigned char *b;
1425 1525
1426 BUG_ON(!cpu_has_veic && !cpu_has_vint); 1526 BUG_ON(!cpu_has_veic && !cpu_has_vint);
1527 BUG_ON((n < 0) && (n > 9));
1427 1528
1428 if (addr == NULL) { 1529 if (addr == NULL) {
1429 handler = (unsigned long) do_default_vi; 1530 handler = (unsigned long) do_default_vi;
1430 srs = 0; 1531 srs = 0;
1431 } else 1532 } else
1432 handler = (unsigned long) addr; 1533 handler = (unsigned long) addr;
1433 vi_handlers[n] = (unsigned long) addr; 1534 vi_handlers[n] = handler;
1434 1535
1435 b = (unsigned char *)(ebase + 0x200 + n*VECTORSPACING); 1536 b = (unsigned char *)(ebase + 0x200 + n*VECTORSPACING);
1436 1537
@@ -1449,9 +1550,8 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
1449 if (srs == 0) { 1550 if (srs == 0) {
1450 /* 1551 /*
1451 * If no shadow set is selected then use the default handler 1552 * If no shadow set is selected then use the default handler
1452 * that does normal register saving and a standard interrupt exit 1553 * that does normal register saving and standard interrupt exit
1453 */ 1554 */
1454
1455 extern char except_vec_vi, except_vec_vi_lui; 1555 extern char except_vec_vi, except_vec_vi_lui;
1456 extern char except_vec_vi_ori, except_vec_vi_end; 1556 extern char except_vec_vi_ori, except_vec_vi_end;
1457 extern char rollback_except_vec_vi; 1557 extern char rollback_except_vec_vi;
@@ -1464,11 +1564,20 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
1464 * Status.IM bit to be masked before going there. 1564 * Status.IM bit to be masked before going there.
1465 */ 1565 */
1466 extern char except_vec_vi_mori; 1566 extern char except_vec_vi_mori;
1567#if defined(CONFIG_CPU_MICROMIPS) || defined(CONFIG_CPU_BIG_ENDIAN)
1568 const int mori_offset = &except_vec_vi_mori - vec_start + 2;
1569#else
1467 const int mori_offset = &except_vec_vi_mori - vec_start; 1570 const int mori_offset = &except_vec_vi_mori - vec_start;
1571#endif
1468#endif /* CONFIG_MIPS_MT_SMTC */ 1572#endif /* CONFIG_MIPS_MT_SMTC */
1469 const int handler_len = &except_vec_vi_end - vec_start; 1573#if defined(CONFIG_CPU_MICROMIPS) || defined(CONFIG_CPU_BIG_ENDIAN)
1574 const int lui_offset = &except_vec_vi_lui - vec_start + 2;
1575 const int ori_offset = &except_vec_vi_ori - vec_start + 2;
1576#else
1470 const int lui_offset = &except_vec_vi_lui - vec_start; 1577 const int lui_offset = &except_vec_vi_lui - vec_start;
1471 const int ori_offset = &except_vec_vi_ori - vec_start; 1578 const int ori_offset = &except_vec_vi_ori - vec_start;
1579#endif
1580 const int handler_len = &except_vec_vi_end - vec_start;
1472 1581
1473 if (handler_len > VECTORSPACING) { 1582 if (handler_len > VECTORSPACING) {
1474 /* 1583 /*
@@ -1478,30 +1587,44 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
1478 panic("VECTORSPACING too small"); 1587 panic("VECTORSPACING too small");
1479 } 1588 }
1480 1589
1481 memcpy(b, vec_start, handler_len); 1590 set_handler(((unsigned long)b - ebase), vec_start,
1591#ifdef CONFIG_CPU_MICROMIPS
1592 (handler_len - 1));
1593#else
1594 handler_len);
1595#endif
1482#ifdef CONFIG_MIPS_MT_SMTC 1596#ifdef CONFIG_MIPS_MT_SMTC
1483 BUG_ON(n > 7); /* Vector index %d exceeds SMTC maximum. */ 1597 BUG_ON(n > 7); /* Vector index %d exceeds SMTC maximum. */
1484 1598
1485 w = (u32 *)(b + mori_offset); 1599 h = (u16 *)(b + mori_offset);
1486 *w = (*w & 0xffff0000) | (0x100 << n); 1600 *h = (0x100 << n);
1487#endif /* CONFIG_MIPS_MT_SMTC */ 1601#endif /* CONFIG_MIPS_MT_SMTC */
1488 w = (u32 *)(b + lui_offset); 1602 h = (u16 *)(b + lui_offset);
1489 *w = (*w & 0xffff0000) | (((u32)handler >> 16) & 0xffff); 1603 *h = (handler >> 16) & 0xffff;
1490 w = (u32 *)(b + ori_offset); 1604 h = (u16 *)(b + ori_offset);
1491 *w = (*w & 0xffff0000) | ((u32)handler & 0xffff); 1605 *h = (handler & 0xffff);
1492 local_flush_icache_range((unsigned long)b, 1606 local_flush_icache_range((unsigned long)b,
1493 (unsigned long)(b+handler_len)); 1607 (unsigned long)(b+handler_len));
1494 } 1608 }
1495 else { 1609 else {
1496 /* 1610 /*
1497 * In other cases jump directly to the interrupt handler 1611 * In other cases jump directly to the interrupt handler. It
1498 * 1612 * is the handler's responsibility to save registers if required
1499 * It is the handlers responsibility to save registers if required 1613 * (eg hi/lo) and return from the exception using "eret".
1500 * (eg hi/lo) and return from the exception using "eret"
1501 */ 1614 */
1502 w = (u32 *)b; 1615 u32 insn;
1503 *w++ = 0x08000000 | (((u32)handler >> 2) & 0x03fffff); /* j handler */ 1616
1504 *w = 0; 1617 h = (u16 *)b;
1618 /* j handler */
1619#ifdef CONFIG_CPU_MICROMIPS
1620 insn = 0xd4000000 | (((u32)handler & 0x07ffffff) >> 1);
1621#else
1622 insn = 0x08000000 | (((u32)handler & 0x0fffffff) >> 2);
1623#endif
1624 h[0] = (insn >> 16) & 0xffff;
1625 h[1] = insn & 0xffff;
1626 h[2] = 0;
1627 h[3] = 0;
1505 local_flush_icache_range((unsigned long)b, 1628 local_flush_icache_range((unsigned long)b,
1506 (unsigned long)(b+8)); 1629 (unsigned long)(b+8));
1507 } 1630 }
@@ -1546,6 +1669,7 @@ void __cpuinit per_cpu_trap_init(bool is_boot_cpu)
1546 unsigned int cpu = smp_processor_id(); 1669 unsigned int cpu = smp_processor_id();
1547 unsigned int status_set = ST0_CU0; 1670 unsigned int status_set = ST0_CU0;
1548 unsigned int hwrena = cpu_hwrena_impl_bits; 1671 unsigned int hwrena = cpu_hwrena_impl_bits;
1672 unsigned long asid = 0;
1549#ifdef CONFIG_MIPS_MT_SMTC 1673#ifdef CONFIG_MIPS_MT_SMTC
1550 int secondaryTC = 0; 1674 int secondaryTC = 0;
1551 int bootTC = (cpu == 0); 1675 int bootTC = (cpu == 0);
@@ -1629,8 +1753,9 @@ void __cpuinit per_cpu_trap_init(bool is_boot_cpu)
1629 } 1753 }
1630#endif /* CONFIG_MIPS_MT_SMTC */ 1754#endif /* CONFIG_MIPS_MT_SMTC */
1631 1755
1632 if (!cpu_data[cpu].asid_cache) 1756 asid = ASID_FIRST_VERSION;
1633 cpu_data[cpu].asid_cache = ASID_FIRST_VERSION; 1757 cpu_data[cpu].asid_cache = asid;
1758 TLBMISS_HANDLER_SETUP();
1634 1759
1635 atomic_inc(&init_mm.mm_count); 1760 atomic_inc(&init_mm.mm_count);
1636 current->active_mm = &init_mm; 1761 current->active_mm = &init_mm;
@@ -1660,7 +1785,11 @@ void __cpuinit per_cpu_trap_init(bool is_boot_cpu)
1660/* Install CPU exception handler */ 1785/* Install CPU exception handler */
1661void __cpuinit set_handler(unsigned long offset, void *addr, unsigned long size) 1786void __cpuinit set_handler(unsigned long offset, void *addr, unsigned long size)
1662{ 1787{
1788#ifdef CONFIG_CPU_MICROMIPS
1789 memcpy((void *)(ebase + offset), ((unsigned char *)addr - 1), size);
1790#else
1663 memcpy((void *)(ebase + offset), addr, size); 1791 memcpy((void *)(ebase + offset), addr, size);
1792#endif
1664 local_flush_icache_range(ebase + offset, ebase + offset + size); 1793 local_flush_icache_range(ebase + offset, ebase + offset + size);
1665} 1794}
1666 1795
@@ -1694,8 +1823,9 @@ __setup("rdhwr_noopt", set_rdhwr_noopt);
1694 1823
1695void __init trap_init(void) 1824void __init trap_init(void)
1696{ 1825{
1697 extern char except_vec3_generic, except_vec3_r4000; 1826 extern char except_vec3_generic;
1698 extern char except_vec4; 1827 extern char except_vec4;
1828 extern char except_vec3_r4000;
1699 unsigned long i; 1829 unsigned long i;
1700 int rollback; 1830 int rollback;
1701 1831
@@ -1833,11 +1963,11 @@ void __init trap_init(void)
1833 1963
1834 if (cpu_has_vce) 1964 if (cpu_has_vce)
1835 /* Special exception: R4[04]00 uses also the divec space. */ 1965 /* Special exception: R4[04]00 uses also the divec space. */
1836 memcpy((void *)(ebase + 0x180), &except_vec3_r4000, 0x100); 1966 set_handler(0x180, &except_vec3_r4000, 0x100);
1837 else if (cpu_has_4kex) 1967 else if (cpu_has_4kex)
1838 memcpy((void *)(ebase + 0x180), &except_vec3_generic, 0x80); 1968 set_handler(0x180, &except_vec3_generic, 0x80);
1839 else 1969 else
1840 memcpy((void *)(ebase + 0x080), &except_vec3_generic, 0x80); 1970 set_handler(0x080, &except_vec3_generic, 0x80);
1841 1971
1842 local_flush_icache_range(ebase, ebase + 0x400); 1972 local_flush_icache_range(ebase, ebase + 0x400);
1843 flush_tlb_handlers(); 1973 flush_tlb_handlers();
diff --git a/arch/mips/kernel/unaligned.c b/arch/mips/kernel/unaligned.c
index 6087a54c86a0..203d8857070d 100644
--- a/arch/mips/kernel/unaligned.c
+++ b/arch/mips/kernel/unaligned.c
@@ -83,8 +83,12 @@
83#include <asm/branch.h> 83#include <asm/branch.h>
84#include <asm/byteorder.h> 84#include <asm/byteorder.h>
85#include <asm/cop2.h> 85#include <asm/cop2.h>
86#include <asm/fpu.h>
87#include <asm/fpu_emulator.h>
86#include <asm/inst.h> 88#include <asm/inst.h>
87#include <asm/uaccess.h> 89#include <asm/uaccess.h>
90#include <asm/fpu.h>
91#include <asm/fpu_emulator.h>
88 92
89#define STR(x) __STR(x) 93#define STR(x) __STR(x)
90#define __STR(x) #x 94#define __STR(x) #x
@@ -102,12 +106,332 @@ static u32 unaligned_action;
102#endif 106#endif
103extern void show_registers(struct pt_regs *regs); 107extern void show_registers(struct pt_regs *regs);
104 108
109#ifdef __BIG_ENDIAN
110#define LoadHW(addr, value, res) \
111 __asm__ __volatile__ (".set\tnoat\n" \
112 "1:\tlb\t%0, 0(%2)\n" \
113 "2:\tlbu\t$1, 1(%2)\n\t" \
114 "sll\t%0, 0x8\n\t" \
115 "or\t%0, $1\n\t" \
116 "li\t%1, 0\n" \
117 "3:\t.set\tat\n\t" \
118 ".insn\n\t" \
119 ".section\t.fixup,\"ax\"\n\t" \
120 "4:\tli\t%1, %3\n\t" \
121 "j\t3b\n\t" \
122 ".previous\n\t" \
123 ".section\t__ex_table,\"a\"\n\t" \
124 STR(PTR)"\t1b, 4b\n\t" \
125 STR(PTR)"\t2b, 4b\n\t" \
126 ".previous" \
127 : "=&r" (value), "=r" (res) \
128 : "r" (addr), "i" (-EFAULT));
129
130#define LoadW(addr, value, res) \
131 __asm__ __volatile__ ( \
132 "1:\tlwl\t%0, (%2)\n" \
133 "2:\tlwr\t%0, 3(%2)\n\t" \
134 "li\t%1, 0\n" \
135 "3:\n\t" \
136 ".insn\n\t" \
137 ".section\t.fixup,\"ax\"\n\t" \
138 "4:\tli\t%1, %3\n\t" \
139 "j\t3b\n\t" \
140 ".previous\n\t" \
141 ".section\t__ex_table,\"a\"\n\t" \
142 STR(PTR)"\t1b, 4b\n\t" \
143 STR(PTR)"\t2b, 4b\n\t" \
144 ".previous" \
145 : "=&r" (value), "=r" (res) \
146 : "r" (addr), "i" (-EFAULT));
147
148#define LoadHWU(addr, value, res) \
149 __asm__ __volatile__ ( \
150 ".set\tnoat\n" \
151 "1:\tlbu\t%0, 0(%2)\n" \
152 "2:\tlbu\t$1, 1(%2)\n\t" \
153 "sll\t%0, 0x8\n\t" \
154 "or\t%0, $1\n\t" \
155 "li\t%1, 0\n" \
156 "3:\n\t" \
157 ".insn\n\t" \
158 ".set\tat\n\t" \
159 ".section\t.fixup,\"ax\"\n\t" \
160 "4:\tli\t%1, %3\n\t" \
161 "j\t3b\n\t" \
162 ".previous\n\t" \
163 ".section\t__ex_table,\"a\"\n\t" \
164 STR(PTR)"\t1b, 4b\n\t" \
165 STR(PTR)"\t2b, 4b\n\t" \
166 ".previous" \
167 : "=&r" (value), "=r" (res) \
168 : "r" (addr), "i" (-EFAULT));
169
170#define LoadWU(addr, value, res) \
171 __asm__ __volatile__ ( \
172 "1:\tlwl\t%0, (%2)\n" \
173 "2:\tlwr\t%0, 3(%2)\n\t" \
174 "dsll\t%0, %0, 32\n\t" \
175 "dsrl\t%0, %0, 32\n\t" \
176 "li\t%1, 0\n" \
177 "3:\n\t" \
178 ".insn\n\t" \
179 "\t.section\t.fixup,\"ax\"\n\t" \
180 "4:\tli\t%1, %3\n\t" \
181 "j\t3b\n\t" \
182 ".previous\n\t" \
183 ".section\t__ex_table,\"a\"\n\t" \
184 STR(PTR)"\t1b, 4b\n\t" \
185 STR(PTR)"\t2b, 4b\n\t" \
186 ".previous" \
187 : "=&r" (value), "=r" (res) \
188 : "r" (addr), "i" (-EFAULT));
189
190#define LoadDW(addr, value, res) \
191 __asm__ __volatile__ ( \
192 "1:\tldl\t%0, (%2)\n" \
193 "2:\tldr\t%0, 7(%2)\n\t" \
194 "li\t%1, 0\n" \
195 "3:\n\t" \
196 ".insn\n\t" \
197 "\t.section\t.fixup,\"ax\"\n\t" \
198 "4:\tli\t%1, %3\n\t" \
199 "j\t3b\n\t" \
200 ".previous\n\t" \
201 ".section\t__ex_table,\"a\"\n\t" \
202 STR(PTR)"\t1b, 4b\n\t" \
203 STR(PTR)"\t2b, 4b\n\t" \
204 ".previous" \
205 : "=&r" (value), "=r" (res) \
206 : "r" (addr), "i" (-EFAULT));
207
208#define StoreHW(addr, value, res) \
209 __asm__ __volatile__ ( \
210 ".set\tnoat\n" \
211 "1:\tsb\t%1, 1(%2)\n\t" \
212 "srl\t$1, %1, 0x8\n" \
213 "2:\tsb\t$1, 0(%2)\n\t" \
214 ".set\tat\n\t" \
215 "li\t%0, 0\n" \
216 "3:\n\t" \
217 ".insn\n\t" \
218 ".section\t.fixup,\"ax\"\n\t" \
219 "4:\tli\t%0, %3\n\t" \
220 "j\t3b\n\t" \
221 ".previous\n\t" \
222 ".section\t__ex_table,\"a\"\n\t" \
223 STR(PTR)"\t1b, 4b\n\t" \
224 STR(PTR)"\t2b, 4b\n\t" \
225 ".previous" \
226 : "=r" (res) \
227 : "r" (value), "r" (addr), "i" (-EFAULT));
228
229#define StoreW(addr, value, res) \
230 __asm__ __volatile__ ( \
231 "1:\tswl\t%1,(%2)\n" \
232 "2:\tswr\t%1, 3(%2)\n\t" \
233 "li\t%0, 0\n" \
234 "3:\n\t" \
235 ".insn\n\t" \
236 ".section\t.fixup,\"ax\"\n\t" \
237 "4:\tli\t%0, %3\n\t" \
238 "j\t3b\n\t" \
239 ".previous\n\t" \
240 ".section\t__ex_table,\"a\"\n\t" \
241 STR(PTR)"\t1b, 4b\n\t" \
242 STR(PTR)"\t2b, 4b\n\t" \
243 ".previous" \
244 : "=r" (res) \
245 : "r" (value), "r" (addr), "i" (-EFAULT));
246
247#define StoreDW(addr, value, res) \
248 __asm__ __volatile__ ( \
249 "1:\tsdl\t%1,(%2)\n" \
250 "2:\tsdr\t%1, 7(%2)\n\t" \
251 "li\t%0, 0\n" \
252 "3:\n\t" \
253 ".insn\n\t" \
254 ".section\t.fixup,\"ax\"\n\t" \
255 "4:\tli\t%0, %3\n\t" \
256 "j\t3b\n\t" \
257 ".previous\n\t" \
258 ".section\t__ex_table,\"a\"\n\t" \
259 STR(PTR)"\t1b, 4b\n\t" \
260 STR(PTR)"\t2b, 4b\n\t" \
261 ".previous" \
262 : "=r" (res) \
263 : "r" (value), "r" (addr), "i" (-EFAULT));
264#endif
265
266#ifdef __LITTLE_ENDIAN
267#define LoadHW(addr, value, res) \
268 __asm__ __volatile__ (".set\tnoat\n" \
269 "1:\tlb\t%0, 1(%2)\n" \
270 "2:\tlbu\t$1, 0(%2)\n\t" \
271 "sll\t%0, 0x8\n\t" \
272 "or\t%0, $1\n\t" \
273 "li\t%1, 0\n" \
274 "3:\t.set\tat\n\t" \
275 ".insn\n\t" \
276 ".section\t.fixup,\"ax\"\n\t" \
277 "4:\tli\t%1, %3\n\t" \
278 "j\t3b\n\t" \
279 ".previous\n\t" \
280 ".section\t__ex_table,\"a\"\n\t" \
281 STR(PTR)"\t1b, 4b\n\t" \
282 STR(PTR)"\t2b, 4b\n\t" \
283 ".previous" \
284 : "=&r" (value), "=r" (res) \
285 : "r" (addr), "i" (-EFAULT));
286
287#define LoadW(addr, value, res) \
288 __asm__ __volatile__ ( \
289 "1:\tlwl\t%0, 3(%2)\n" \
290 "2:\tlwr\t%0, (%2)\n\t" \
291 "li\t%1, 0\n" \
292 "3:\n\t" \
293 ".insn\n\t" \
294 ".section\t.fixup,\"ax\"\n\t" \
295 "4:\tli\t%1, %3\n\t" \
296 "j\t3b\n\t" \
297 ".previous\n\t" \
298 ".section\t__ex_table,\"a\"\n\t" \
299 STR(PTR)"\t1b, 4b\n\t" \
300 STR(PTR)"\t2b, 4b\n\t" \
301 ".previous" \
302 : "=&r" (value), "=r" (res) \
303 : "r" (addr), "i" (-EFAULT));
304
305#define LoadHWU(addr, value, res) \
306 __asm__ __volatile__ ( \
307 ".set\tnoat\n" \
308 "1:\tlbu\t%0, 1(%2)\n" \
309 "2:\tlbu\t$1, 0(%2)\n\t" \
310 "sll\t%0, 0x8\n\t" \
311 "or\t%0, $1\n\t" \
312 "li\t%1, 0\n" \
313 "3:\n\t" \
314 ".insn\n\t" \
315 ".set\tat\n\t" \
316 ".section\t.fixup,\"ax\"\n\t" \
317 "4:\tli\t%1, %3\n\t" \
318 "j\t3b\n\t" \
319 ".previous\n\t" \
320 ".section\t__ex_table,\"a\"\n\t" \
321 STR(PTR)"\t1b, 4b\n\t" \
322 STR(PTR)"\t2b, 4b\n\t" \
323 ".previous" \
324 : "=&r" (value), "=r" (res) \
325 : "r" (addr), "i" (-EFAULT));
326
327#define LoadWU(addr, value, res) \
328 __asm__ __volatile__ ( \
329 "1:\tlwl\t%0, 3(%2)\n" \
330 "2:\tlwr\t%0, (%2)\n\t" \
331 "dsll\t%0, %0, 32\n\t" \
332 "dsrl\t%0, %0, 32\n\t" \
333 "li\t%1, 0\n" \
334 "3:\n\t" \
335 ".insn\n\t" \
336 "\t.section\t.fixup,\"ax\"\n\t" \
337 "4:\tli\t%1, %3\n\t" \
338 "j\t3b\n\t" \
339 ".previous\n\t" \
340 ".section\t__ex_table,\"a\"\n\t" \
341 STR(PTR)"\t1b, 4b\n\t" \
342 STR(PTR)"\t2b, 4b\n\t" \
343 ".previous" \
344 : "=&r" (value), "=r" (res) \
345 : "r" (addr), "i" (-EFAULT));
346
347#define LoadDW(addr, value, res) \
348 __asm__ __volatile__ ( \
349 "1:\tldl\t%0, 7(%2)\n" \
350 "2:\tldr\t%0, (%2)\n\t" \
351 "li\t%1, 0\n" \
352 "3:\n\t" \
353 ".insn\n\t" \
354 "\t.section\t.fixup,\"ax\"\n\t" \
355 "4:\tli\t%1, %3\n\t" \
356 "j\t3b\n\t" \
357 ".previous\n\t" \
358 ".section\t__ex_table,\"a\"\n\t" \
359 STR(PTR)"\t1b, 4b\n\t" \
360 STR(PTR)"\t2b, 4b\n\t" \
361 ".previous" \
362 : "=&r" (value), "=r" (res) \
363 : "r" (addr), "i" (-EFAULT));
364
365#define StoreHW(addr, value, res) \
366 __asm__ __volatile__ ( \
367 ".set\tnoat\n" \
368 "1:\tsb\t%1, 0(%2)\n\t" \
369 "srl\t$1,%1, 0x8\n" \
370 "2:\tsb\t$1, 1(%2)\n\t" \
371 ".set\tat\n\t" \
372 "li\t%0, 0\n" \
373 "3:\n\t" \
374 ".insn\n\t" \
375 ".section\t.fixup,\"ax\"\n\t" \
376 "4:\tli\t%0, %3\n\t" \
377 "j\t3b\n\t" \
378 ".previous\n\t" \
379 ".section\t__ex_table,\"a\"\n\t" \
380 STR(PTR)"\t1b, 4b\n\t" \
381 STR(PTR)"\t2b, 4b\n\t" \
382 ".previous" \
383 : "=r" (res) \
384 : "r" (value), "r" (addr), "i" (-EFAULT));
385
386#define StoreW(addr, value, res) \
387 __asm__ __volatile__ ( \
388 "1:\tswl\t%1, 3(%2)\n" \
389 "2:\tswr\t%1, (%2)\n\t" \
390 "li\t%0, 0\n" \
391 "3:\n\t" \
392 ".insn\n\t" \
393 ".section\t.fixup,\"ax\"\n\t" \
394 "4:\tli\t%0, %3\n\t" \
395 "j\t3b\n\t" \
396 ".previous\n\t" \
397 ".section\t__ex_table,\"a\"\n\t" \
398 STR(PTR)"\t1b, 4b\n\t" \
399 STR(PTR)"\t2b, 4b\n\t" \
400 ".previous" \
401 : "=r" (res) \
402 : "r" (value), "r" (addr), "i" (-EFAULT));
403
404#define StoreDW(addr, value, res) \
405 __asm__ __volatile__ ( \
406 "1:\tsdl\t%1, 7(%2)\n" \
407 "2:\tsdr\t%1, (%2)\n\t" \
408 "li\t%0, 0\n" \
409 "3:\n\t" \
410 ".insn\n\t" \
411 ".section\t.fixup,\"ax\"\n\t" \
412 "4:\tli\t%0, %3\n\t" \
413 "j\t3b\n\t" \
414 ".previous\n\t" \
415 ".section\t__ex_table,\"a\"\n\t" \
416 STR(PTR)"\t1b, 4b\n\t" \
417 STR(PTR)"\t2b, 4b\n\t" \
418 ".previous" \
419 : "=r" (res) \
420 : "r" (value), "r" (addr), "i" (-EFAULT));
421#endif
422
105static void emulate_load_store_insn(struct pt_regs *regs, 423static void emulate_load_store_insn(struct pt_regs *regs,
106 void __user *addr, unsigned int __user *pc) 424 void __user *addr, unsigned int __user *pc)
107{ 425{
108 union mips_instruction insn; 426 union mips_instruction insn;
109 unsigned long value; 427 unsigned long value;
110 unsigned int res; 428 unsigned int res;
429 unsigned long origpc;
430 unsigned long orig31;
431 void __user *fault_addr = NULL;
432
433 origpc = (unsigned long)pc;
434 orig31 = regs->regs[31];
111 435
112 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, regs, 0); 436 perf_sw_event(PERF_COUNT_SW_EMULATION_FAULTS, 1, regs, 0);
113 437
@@ -117,22 +441,22 @@ static void emulate_load_store_insn(struct pt_regs *regs,
117 __get_user(insn.word, pc); 441 __get_user(insn.word, pc);
118 442
119 switch (insn.i_format.opcode) { 443 switch (insn.i_format.opcode) {
120 /* 444 /*
121 * These are instructions that a compiler doesn't generate. We 445 * These are instructions that a compiler doesn't generate. We
122 * can assume therefore that the code is MIPS-aware and 446 * can assume therefore that the code is MIPS-aware and
123 * really buggy. Emulating these instructions would break the 447 * really buggy. Emulating these instructions would break the
124 * semantics anyway. 448 * semantics anyway.
125 */ 449 */
126 case ll_op: 450 case ll_op:
127 case lld_op: 451 case lld_op:
128 case sc_op: 452 case sc_op:
129 case scd_op: 453 case scd_op:
130 454
131 /* 455 /*
132 * For these instructions the only way to create an address 456 * For these instructions the only way to create an address
133 * error is an attempted access to kernel/supervisor address 457 * error is an attempted access to kernel/supervisor address
134 * space. 458 * space.
135 */ 459 */
136 case ldl_op: 460 case ldl_op:
137 case ldr_op: 461 case ldr_op:
138 case lwl_op: 462 case lwl_op:
@@ -146,36 +470,15 @@ static void emulate_load_store_insn(struct pt_regs *regs,
146 case sb_op: 470 case sb_op:
147 goto sigbus; 471 goto sigbus;
148 472
149 /* 473 /*
150 * The remaining opcodes are the ones that are really of interest. 474 * The remaining opcodes are the ones that are really of
151 */ 475 * interest.
476 */
152 case lh_op: 477 case lh_op:
153 if (!access_ok(VERIFY_READ, addr, 2)) 478 if (!access_ok(VERIFY_READ, addr, 2))
154 goto sigbus; 479 goto sigbus;
155 480
156 __asm__ __volatile__ (".set\tnoat\n" 481 LoadHW(addr, value, res);
157#ifdef __BIG_ENDIAN
158 "1:\tlb\t%0, 0(%2)\n"
159 "2:\tlbu\t$1, 1(%2)\n\t"
160#endif
161#ifdef __LITTLE_ENDIAN
162 "1:\tlb\t%0, 1(%2)\n"
163 "2:\tlbu\t$1, 0(%2)\n\t"
164#endif
165 "sll\t%0, 0x8\n\t"
166 "or\t%0, $1\n\t"
167 "li\t%1, 0\n"
168 "3:\t.set\tat\n\t"
169 ".section\t.fixup,\"ax\"\n\t"
170 "4:\tli\t%1, %3\n\t"
171 "j\t3b\n\t"
172 ".previous\n\t"
173 ".section\t__ex_table,\"a\"\n\t"
174 STR(PTR)"\t1b, 4b\n\t"
175 STR(PTR)"\t2b, 4b\n\t"
176 ".previous"
177 : "=&r" (value), "=r" (res)
178 : "r" (addr), "i" (-EFAULT));
179 if (res) 482 if (res)
180 goto fault; 483 goto fault;
181 compute_return_epc(regs); 484 compute_return_epc(regs);
@@ -186,26 +489,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
186 if (!access_ok(VERIFY_READ, addr, 4)) 489 if (!access_ok(VERIFY_READ, addr, 4))
187 goto sigbus; 490 goto sigbus;
188 491
189 __asm__ __volatile__ ( 492 LoadW(addr, value, res);
190#ifdef __BIG_ENDIAN
191 "1:\tlwl\t%0, (%2)\n"
192 "2:\tlwr\t%0, 3(%2)\n\t"
193#endif
194#ifdef __LITTLE_ENDIAN
195 "1:\tlwl\t%0, 3(%2)\n"
196 "2:\tlwr\t%0, (%2)\n\t"
197#endif
198 "li\t%1, 0\n"
199 "3:\t.section\t.fixup,\"ax\"\n\t"
200 "4:\tli\t%1, %3\n\t"
201 "j\t3b\n\t"
202 ".previous\n\t"
203 ".section\t__ex_table,\"a\"\n\t"
204 STR(PTR)"\t1b, 4b\n\t"
205 STR(PTR)"\t2b, 4b\n\t"
206 ".previous"
207 : "=&r" (value), "=r" (res)
208 : "r" (addr), "i" (-EFAULT));
209 if (res) 493 if (res)
210 goto fault; 494 goto fault;
211 compute_return_epc(regs); 495 compute_return_epc(regs);
@@ -216,30 +500,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
216 if (!access_ok(VERIFY_READ, addr, 2)) 500 if (!access_ok(VERIFY_READ, addr, 2))
217 goto sigbus; 501 goto sigbus;
218 502
219 __asm__ __volatile__ ( 503 LoadHWU(addr, value, res);
220 ".set\tnoat\n"
221#ifdef __BIG_ENDIAN
222 "1:\tlbu\t%0, 0(%2)\n"
223 "2:\tlbu\t$1, 1(%2)\n\t"
224#endif
225#ifdef __LITTLE_ENDIAN
226 "1:\tlbu\t%0, 1(%2)\n"
227 "2:\tlbu\t$1, 0(%2)\n\t"
228#endif
229 "sll\t%0, 0x8\n\t"
230 "or\t%0, $1\n\t"
231 "li\t%1, 0\n"
232 "3:\t.set\tat\n\t"
233 ".section\t.fixup,\"ax\"\n\t"
234 "4:\tli\t%1, %3\n\t"
235 "j\t3b\n\t"
236 ".previous\n\t"
237 ".section\t__ex_table,\"a\"\n\t"
238 STR(PTR)"\t1b, 4b\n\t"
239 STR(PTR)"\t2b, 4b\n\t"
240 ".previous"
241 : "=&r" (value), "=r" (res)
242 : "r" (addr), "i" (-EFAULT));
243 if (res) 504 if (res)
244 goto fault; 505 goto fault;
245 compute_return_epc(regs); 506 compute_return_epc(regs);
@@ -258,28 +519,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
258 if (!access_ok(VERIFY_READ, addr, 4)) 519 if (!access_ok(VERIFY_READ, addr, 4))
259 goto sigbus; 520 goto sigbus;
260 521
261 __asm__ __volatile__ ( 522 LoadWU(addr, value, res);
262#ifdef __BIG_ENDIAN
263 "1:\tlwl\t%0, (%2)\n"
264 "2:\tlwr\t%0, 3(%2)\n\t"
265#endif
266#ifdef __LITTLE_ENDIAN
267 "1:\tlwl\t%0, 3(%2)\n"
268 "2:\tlwr\t%0, (%2)\n\t"
269#endif
270 "dsll\t%0, %0, 32\n\t"
271 "dsrl\t%0, %0, 32\n\t"
272 "li\t%1, 0\n"
273 "3:\t.section\t.fixup,\"ax\"\n\t"
274 "4:\tli\t%1, %3\n\t"
275 "j\t3b\n\t"
276 ".previous\n\t"
277 ".section\t__ex_table,\"a\"\n\t"
278 STR(PTR)"\t1b, 4b\n\t"
279 STR(PTR)"\t2b, 4b\n\t"
280 ".previous"
281 : "=&r" (value), "=r" (res)
282 : "r" (addr), "i" (-EFAULT));
283 if (res) 523 if (res)
284 goto fault; 524 goto fault;
285 compute_return_epc(regs); 525 compute_return_epc(regs);
@@ -302,26 +542,7 @@ static void emulate_load_store_insn(struct pt_regs *regs,
302 if (!access_ok(VERIFY_READ, addr, 8)) 542 if (!access_ok(VERIFY_READ, addr, 8))
303 goto sigbus; 543 goto sigbus;
304 544
305 __asm__ __volatile__ ( 545 LoadDW(addr, value, res);
306#ifdef __BIG_ENDIAN
307 "1:\tldl\t%0, (%2)\n"
308 "2:\tldr\t%0, 7(%2)\n\t"
309#endif
310#ifdef __LITTLE_ENDIAN
311 "1:\tldl\t%0, 7(%2)\n"
312 "2:\tldr\t%0, (%2)\n\t"
313#endif
314 "li\t%1, 0\n"
315 "3:\t.section\t.fixup,\"ax\"\n\t"
316 "4:\tli\t%1, %3\n\t"
317 "j\t3b\n\t"
318 ".previous\n\t"
319 ".section\t__ex_table,\"a\"\n\t"
320 STR(PTR)"\t1b, 4b\n\t"
321 STR(PTR)"\t2b, 4b\n\t"
322 ".previous"
323 : "=&r" (value), "=r" (res)
324 : "r" (addr), "i" (-EFAULT));
325 if (res) 546 if (res)
326 goto fault; 547 goto fault;
327 compute_return_epc(regs); 548 compute_return_epc(regs);
@@ -336,68 +557,22 @@ static void emulate_load_store_insn(struct pt_regs *regs,
336 if (!access_ok(VERIFY_WRITE, addr, 2)) 557 if (!access_ok(VERIFY_WRITE, addr, 2))
337 goto sigbus; 558 goto sigbus;
338 559
560 compute_return_epc(regs);
339 value = regs->regs[insn.i_format.rt]; 561 value = regs->regs[insn.i_format.rt];
340 __asm__ __volatile__ ( 562 StoreHW(addr, value, res);
341#ifdef __BIG_ENDIAN
342 ".set\tnoat\n"
343 "1:\tsb\t%1, 1(%2)\n\t"
344 "srl\t$1, %1, 0x8\n"
345 "2:\tsb\t$1, 0(%2)\n\t"
346 ".set\tat\n\t"
347#endif
348#ifdef __LITTLE_ENDIAN
349 ".set\tnoat\n"
350 "1:\tsb\t%1, 0(%2)\n\t"
351 "srl\t$1,%1, 0x8\n"
352 "2:\tsb\t$1, 1(%2)\n\t"
353 ".set\tat\n\t"
354#endif
355 "li\t%0, 0\n"
356 "3:\n\t"
357 ".section\t.fixup,\"ax\"\n\t"
358 "4:\tli\t%0, %3\n\t"
359 "j\t3b\n\t"
360 ".previous\n\t"
361 ".section\t__ex_table,\"a\"\n\t"
362 STR(PTR)"\t1b, 4b\n\t"
363 STR(PTR)"\t2b, 4b\n\t"
364 ".previous"
365 : "=r" (res)
366 : "r" (value), "r" (addr), "i" (-EFAULT));
367 if (res) 563 if (res)
368 goto fault; 564 goto fault;
369 compute_return_epc(regs);
370 break; 565 break;
371 566
372 case sw_op: 567 case sw_op:
373 if (!access_ok(VERIFY_WRITE, addr, 4)) 568 if (!access_ok(VERIFY_WRITE, addr, 4))
374 goto sigbus; 569 goto sigbus;
375 570
571 compute_return_epc(regs);
376 value = regs->regs[insn.i_format.rt]; 572 value = regs->regs[insn.i_format.rt];
377 __asm__ __volatile__ ( 573 StoreW(addr, value, res);
378#ifdef __BIG_ENDIAN
379 "1:\tswl\t%1,(%2)\n"
380 "2:\tswr\t%1, 3(%2)\n\t"
381#endif
382#ifdef __LITTLE_ENDIAN
383 "1:\tswl\t%1, 3(%2)\n"
384 "2:\tswr\t%1, (%2)\n\t"
385#endif
386 "li\t%0, 0\n"
387 "3:\n\t"
388 ".section\t.fixup,\"ax\"\n\t"
389 "4:\tli\t%0, %3\n\t"
390 "j\t3b\n\t"
391 ".previous\n\t"
392 ".section\t__ex_table,\"a\"\n\t"
393 STR(PTR)"\t1b, 4b\n\t"
394 STR(PTR)"\t2b, 4b\n\t"
395 ".previous"
396 : "=r" (res)
397 : "r" (value), "r" (addr), "i" (-EFAULT));
398 if (res) 574 if (res)
399 goto fault; 575 goto fault;
400 compute_return_epc(regs);
401 break; 576 break;
402 577
403 case sd_op: 578 case sd_op:
@@ -412,31 +587,11 @@ static void emulate_load_store_insn(struct pt_regs *regs,
412 if (!access_ok(VERIFY_WRITE, addr, 8)) 587 if (!access_ok(VERIFY_WRITE, addr, 8))
413 goto sigbus; 588 goto sigbus;
414 589
590 compute_return_epc(regs);
415 value = regs->regs[insn.i_format.rt]; 591 value = regs->regs[insn.i_format.rt];
416 __asm__ __volatile__ ( 592 StoreDW(addr, value, res);
417#ifdef __BIG_ENDIAN
418 "1:\tsdl\t%1,(%2)\n"
419 "2:\tsdr\t%1, 7(%2)\n\t"
420#endif
421#ifdef __LITTLE_ENDIAN
422 "1:\tsdl\t%1, 7(%2)\n"
423 "2:\tsdr\t%1, (%2)\n\t"
424#endif
425 "li\t%0, 0\n"
426 "3:\n\t"
427 ".section\t.fixup,\"ax\"\n\t"
428 "4:\tli\t%0, %3\n\t"
429 "j\t3b\n\t"
430 ".previous\n\t"
431 ".section\t__ex_table,\"a\"\n\t"
432 STR(PTR)"\t1b, 4b\n\t"
433 STR(PTR)"\t2b, 4b\n\t"
434 ".previous"
435 : "=r" (res)
436 : "r" (value), "r" (addr), "i" (-EFAULT));
437 if (res) 593 if (res)
438 goto fault; 594 goto fault;
439 compute_return_epc(regs);
440 break; 595 break;
441#endif /* CONFIG_64BIT */ 596#endif /* CONFIG_64BIT */
442 597
@@ -447,10 +602,21 @@ static void emulate_load_store_insn(struct pt_regs *regs,
447 case ldc1_op: 602 case ldc1_op:
448 case swc1_op: 603 case swc1_op:
449 case sdc1_op: 604 case sdc1_op:
450 /* 605 die_if_kernel("Unaligned FP access in kernel code", regs);
451 * I herewith declare: this does not happen. So send SIGBUS. 606 BUG_ON(!used_math());
452 */ 607 BUG_ON(!is_fpu_owner());
453 goto sigbus; 608
609 lose_fpu(1); /* Save FPU state for the emulator. */
610 res = fpu_emulator_cop1Handler(regs, &current->thread.fpu, 1,
611 &fault_addr);
612 own_fpu(1); /* Restore FPU state. */
613
614 /* Signal if something went wrong. */
615 process_fpemu_return(res, fault_addr);
616
617 if (res == 0)
618 break;
619 return;
454 620
455 /* 621 /*
456 * COP2 is available to implementor for application specific use. 622 * COP2 is available to implementor for application specific use.
@@ -488,6 +654,9 @@ static void emulate_load_store_insn(struct pt_regs *regs,
488 return; 654 return;
489 655
490fault: 656fault:
657 /* roll back jump/branch */
658 regs->cp0_epc = origpc;
659 regs->regs[31] = orig31;
491 /* Did we have an exception handler installed? */ 660 /* Did we have an exception handler installed? */
492 if (fixup_exception(regs)) 661 if (fixup_exception(regs))
493 return; 662 return;
@@ -504,10 +673,881 @@ sigbus:
504 return; 673 return;
505 674
506sigill: 675sigill:
507 die_if_kernel("Unhandled kernel unaligned access or invalid instruction", regs); 676 die_if_kernel
677 ("Unhandled kernel unaligned access or invalid instruction", regs);
508 force_sig(SIGILL, current); 678 force_sig(SIGILL, current);
509} 679}
510 680
681/* Recode table from 16-bit register notation to 32-bit GPR. */
682const int reg16to32[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
683
684/* Recode table from 16-bit STORE register notation to 32-bit GPR. */
685const int reg16to32st[] = { 0, 17, 2, 3, 4, 5, 6, 7 };
686
687void emulate_load_store_microMIPS(struct pt_regs *regs, void __user * addr)
688{
689 unsigned long value;
690 unsigned int res;
691 int i;
692 unsigned int reg = 0, rvar;
693 unsigned long orig31;
694 u16 __user *pc16;
695 u16 halfword;
696 unsigned int word;
697 unsigned long origpc, contpc;
698 union mips_instruction insn;
699 struct mm_decoded_insn mminsn;
700 void __user *fault_addr = NULL;
701
702 origpc = regs->cp0_epc;
703 orig31 = regs->regs[31];
704
705 mminsn.micro_mips_mode = 1;
706
707 /*
708 * This load never faults.
709 */
710 pc16 = (unsigned short __user *)msk_isa16_mode(regs->cp0_epc);
711 __get_user(halfword, pc16);
712 pc16++;
713 contpc = regs->cp0_epc + 2;
714 word = ((unsigned int)halfword << 16);
715 mminsn.pc_inc = 2;
716
717 if (!mm_insn_16bit(halfword)) {
718 __get_user(halfword, pc16);
719 pc16++;
720 contpc = regs->cp0_epc + 4;
721 mminsn.pc_inc = 4;
722 word |= halfword;
723 }
724 mminsn.insn = word;
725
726 if (get_user(halfword, pc16))
727 goto fault;
728 mminsn.next_pc_inc = 2;
729 word = ((unsigned int)halfword << 16);
730
731 if (!mm_insn_16bit(halfword)) {
732 pc16++;
733 if (get_user(halfword, pc16))
734 goto fault;
735 mminsn.next_pc_inc = 4;
736 word |= halfword;
737 }
738 mminsn.next_insn = word;
739
740 insn = (union mips_instruction)(mminsn.insn);
741 if (mm_isBranchInstr(regs, mminsn, &contpc))
742 insn = (union mips_instruction)(mminsn.next_insn);
743
744 /* Parse instruction to find what to do */
745
746 switch (insn.mm_i_format.opcode) {
747
748 case mm_pool32a_op:
749 switch (insn.mm_x_format.func) {
750 case mm_lwxs_op:
751 reg = insn.mm_x_format.rd;
752 goto loadW;
753 }
754
755 goto sigbus;
756
757 case mm_pool32b_op:
758 switch (insn.mm_m_format.func) {
759 case mm_lwp_func:
760 reg = insn.mm_m_format.rd;
761 if (reg == 31)
762 goto sigbus;
763
764 if (!access_ok(VERIFY_READ, addr, 8))
765 goto sigbus;
766
767 LoadW(addr, value, res);
768 if (res)
769 goto fault;
770 regs->regs[reg] = value;
771 addr += 4;
772 LoadW(addr, value, res);
773 if (res)
774 goto fault;
775 regs->regs[reg + 1] = value;
776 goto success;
777
778 case mm_swp_func:
779 reg = insn.mm_m_format.rd;
780 if (reg == 31)
781 goto sigbus;
782
783 if (!access_ok(VERIFY_WRITE, addr, 8))
784 goto sigbus;
785
786 value = regs->regs[reg];
787 StoreW(addr, value, res);
788 if (res)
789 goto fault;
790 addr += 4;
791 value = regs->regs[reg + 1];
792 StoreW(addr, value, res);
793 if (res)
794 goto fault;
795 goto success;
796
797 case mm_ldp_func:
798#ifdef CONFIG_64BIT
799 reg = insn.mm_m_format.rd;
800 if (reg == 31)
801 goto sigbus;
802
803 if (!access_ok(VERIFY_READ, addr, 16))
804 goto sigbus;
805
806 LoadDW(addr, value, res);
807 if (res)
808 goto fault;
809 regs->regs[reg] = value;
810 addr += 8;
811 LoadDW(addr, value, res);
812 if (res)
813 goto fault;
814 regs->regs[reg + 1] = value;
815 goto success;
816#endif /* CONFIG_64BIT */
817
818 goto sigill;
819
820 case mm_sdp_func:
821#ifdef CONFIG_64BIT
822 reg = insn.mm_m_format.rd;
823 if (reg == 31)
824 goto sigbus;
825
826 if (!access_ok(VERIFY_WRITE, addr, 16))
827 goto sigbus;
828
829 value = regs->regs[reg];
830 StoreDW(addr, value, res);
831 if (res)
832 goto fault;
833 addr += 8;
834 value = regs->regs[reg + 1];
835 StoreDW(addr, value, res);
836 if (res)
837 goto fault;
838 goto success;
839#endif /* CONFIG_64BIT */
840
841 goto sigill;
842
843 case mm_lwm32_func:
844 reg = insn.mm_m_format.rd;
845 rvar = reg & 0xf;
846 if ((rvar > 9) || !reg)
847 goto sigill;
848 if (reg & 0x10) {
849 if (!access_ok
850 (VERIFY_READ, addr, 4 * (rvar + 1)))
851 goto sigbus;
852 } else {
853 if (!access_ok(VERIFY_READ, addr, 4 * rvar))
854 goto sigbus;
855 }
856 if (rvar == 9)
857 rvar = 8;
858 for (i = 16; rvar; rvar--, i++) {
859 LoadW(addr, value, res);
860 if (res)
861 goto fault;
862 addr += 4;
863 regs->regs[i] = value;
864 }
865 if ((reg & 0xf) == 9) {
866 LoadW(addr, value, res);
867 if (res)
868 goto fault;
869 addr += 4;
870 regs->regs[30] = value;
871 }
872 if (reg & 0x10) {
873 LoadW(addr, value, res);
874 if (res)
875 goto fault;
876 regs->regs[31] = value;
877 }
878 goto success;
879
880 case mm_swm32_func:
881 reg = insn.mm_m_format.rd;
882 rvar = reg & 0xf;
883 if ((rvar > 9) || !reg)
884 goto sigill;
885 if (reg & 0x10) {
886 if (!access_ok
887 (VERIFY_WRITE, addr, 4 * (rvar + 1)))
888 goto sigbus;
889 } else {
890 if (!access_ok(VERIFY_WRITE, addr, 4 * rvar))
891 goto sigbus;
892 }
893 if (rvar == 9)
894 rvar = 8;
895 for (i = 16; rvar; rvar--, i++) {
896 value = regs->regs[i];
897 StoreW(addr, value, res);
898 if (res)
899 goto fault;
900 addr += 4;
901 }
902 if ((reg & 0xf) == 9) {
903 value = regs->regs[30];
904 StoreW(addr, value, res);
905 if (res)
906 goto fault;
907 addr += 4;
908 }
909 if (reg & 0x10) {
910 value = regs->regs[31];
911 StoreW(addr, value, res);
912 if (res)
913 goto fault;
914 }
915 goto success;
916
917 case mm_ldm_func:
918#ifdef CONFIG_64BIT
919 reg = insn.mm_m_format.rd;
920 rvar = reg & 0xf;
921 if ((rvar > 9) || !reg)
922 goto sigill;
923 if (reg & 0x10) {
924 if (!access_ok
925 (VERIFY_READ, addr, 8 * (rvar + 1)))
926 goto sigbus;
927 } else {
928 if (!access_ok(VERIFY_READ, addr, 8 * rvar))
929 goto sigbus;
930 }
931 if (rvar == 9)
932 rvar = 8;
933
934 for (i = 16; rvar; rvar--, i++) {
935 LoadDW(addr, value, res);
936 if (res)
937 goto fault;
938 addr += 4;
939 regs->regs[i] = value;
940 }
941 if ((reg & 0xf) == 9) {
942 LoadDW(addr, value, res);
943 if (res)
944 goto fault;
945 addr += 8;
946 regs->regs[30] = value;
947 }
948 if (reg & 0x10) {
949 LoadDW(addr, value, res);
950 if (res)
951 goto fault;
952 regs->regs[31] = value;
953 }
954 goto success;
955#endif /* CONFIG_64BIT */
956
957 goto sigill;
958
959 case mm_sdm_func:
960#ifdef CONFIG_64BIT
961 reg = insn.mm_m_format.rd;
962 rvar = reg & 0xf;
963 if ((rvar > 9) || !reg)
964 goto sigill;
965 if (reg & 0x10) {
966 if (!access_ok
967 (VERIFY_WRITE, addr, 8 * (rvar + 1)))
968 goto sigbus;
969 } else {
970 if (!access_ok(VERIFY_WRITE, addr, 8 * rvar))
971 goto sigbus;
972 }
973 if (rvar == 9)
974 rvar = 8;
975
976 for (i = 16; rvar; rvar--, i++) {
977 value = regs->regs[i];
978 StoreDW(addr, value, res);
979 if (res)
980 goto fault;
981 addr += 8;
982 }
983 if ((reg & 0xf) == 9) {
984 value = regs->regs[30];
985 StoreDW(addr, value, res);
986 if (res)
987 goto fault;
988 addr += 8;
989 }
990 if (reg & 0x10) {
991 value = regs->regs[31];
992 StoreDW(addr, value, res);
993 if (res)
994 goto fault;
995 }
996 goto success;
997#endif /* CONFIG_64BIT */
998
999 goto sigill;
1000
1001 /* LWC2, SWC2, LDC2, SDC2 are not serviced */
1002 }
1003
1004 goto sigbus;
1005
1006 case mm_pool32c_op:
1007 switch (insn.mm_m_format.func) {
1008 case mm_lwu_func:
1009 reg = insn.mm_m_format.rd;
1010 goto loadWU;
1011 }
1012
1013 /* LL,SC,LLD,SCD are not serviced */
1014 goto sigbus;
1015
1016 case mm_pool32f_op:
1017 switch (insn.mm_x_format.func) {
1018 case mm_lwxc1_func:
1019 case mm_swxc1_func:
1020 case mm_ldxc1_func:
1021 case mm_sdxc1_func:
1022 goto fpu_emul;
1023 }
1024
1025 goto sigbus;
1026
1027 case mm_ldc132_op:
1028 case mm_sdc132_op:
1029 case mm_lwc132_op:
1030 case mm_swc132_op:
1031fpu_emul:
1032 /* roll back jump/branch */
1033 regs->cp0_epc = origpc;
1034 regs->regs[31] = orig31;
1035
1036 die_if_kernel("Unaligned FP access in kernel code", regs);
1037 BUG_ON(!used_math());
1038 BUG_ON(!is_fpu_owner());
1039
1040 lose_fpu(1); /* save the FPU state for the emulator */
1041 res = fpu_emulator_cop1Handler(regs, &current->thread.fpu, 1,
1042 &fault_addr);
1043 own_fpu(1); /* restore FPU state */
1044
1045 /* If something went wrong, signal */
1046 process_fpemu_return(res, fault_addr);
1047
1048 if (res == 0)
1049 goto success;
1050 return;
1051
1052 case mm_lh32_op:
1053 reg = insn.mm_i_format.rt;
1054 goto loadHW;
1055
1056 case mm_lhu32_op:
1057 reg = insn.mm_i_format.rt;
1058 goto loadHWU;
1059
1060 case mm_lw32_op:
1061 reg = insn.mm_i_format.rt;
1062 goto loadW;
1063
1064 case mm_sh32_op:
1065 reg = insn.mm_i_format.rt;
1066 goto storeHW;
1067
1068 case mm_sw32_op:
1069 reg = insn.mm_i_format.rt;
1070 goto storeW;
1071
1072 case mm_ld32_op:
1073 reg = insn.mm_i_format.rt;
1074 goto loadDW;
1075
1076 case mm_sd32_op:
1077 reg = insn.mm_i_format.rt;
1078 goto storeDW;
1079
1080 case mm_pool16c_op:
1081 switch (insn.mm16_m_format.func) {
1082 case mm_lwm16_op:
1083 reg = insn.mm16_m_format.rlist;
1084 rvar = reg + 1;
1085 if (!access_ok(VERIFY_READ, addr, 4 * rvar))
1086 goto sigbus;
1087
1088 for (i = 16; rvar; rvar--, i++) {
1089 LoadW(addr, value, res);
1090 if (res)
1091 goto fault;
1092 addr += 4;
1093 regs->regs[i] = value;
1094 }
1095 LoadW(addr, value, res);
1096 if (res)
1097 goto fault;
1098 regs->regs[31] = value;
1099
1100 goto success;
1101
1102 case mm_swm16_op:
1103 reg = insn.mm16_m_format.rlist;
1104 rvar = reg + 1;
1105 if (!access_ok(VERIFY_WRITE, addr, 4 * rvar))
1106 goto sigbus;
1107
1108 for (i = 16; rvar; rvar--, i++) {
1109 value = regs->regs[i];
1110 StoreW(addr, value, res);
1111 if (res)
1112 goto fault;
1113 addr += 4;
1114 }
1115 value = regs->regs[31];
1116 StoreW(addr, value, res);
1117 if (res)
1118 goto fault;
1119
1120 goto success;
1121
1122 }
1123
1124 goto sigbus;
1125
1126 case mm_lhu16_op:
1127 reg = reg16to32[insn.mm16_rb_format.rt];
1128 goto loadHWU;
1129
1130 case mm_lw16_op:
1131 reg = reg16to32[insn.mm16_rb_format.rt];
1132 goto loadW;
1133
1134 case mm_sh16_op:
1135 reg = reg16to32st[insn.mm16_rb_format.rt];
1136 goto storeHW;
1137
1138 case mm_sw16_op:
1139 reg = reg16to32st[insn.mm16_rb_format.rt];
1140 goto storeW;
1141
1142 case mm_lwsp16_op:
1143 reg = insn.mm16_r5_format.rt;
1144 goto loadW;
1145
1146 case mm_swsp16_op:
1147 reg = insn.mm16_r5_format.rt;
1148 goto storeW;
1149
1150 case mm_lwgp16_op:
1151 reg = reg16to32[insn.mm16_r3_format.rt];
1152 goto loadW;
1153
1154 default:
1155 goto sigill;
1156 }
1157
1158loadHW:
1159 if (!access_ok(VERIFY_READ, addr, 2))
1160 goto sigbus;
1161
1162 LoadHW(addr, value, res);
1163 if (res)
1164 goto fault;
1165 regs->regs[reg] = value;
1166 goto success;
1167
1168loadHWU:
1169 if (!access_ok(VERIFY_READ, addr, 2))
1170 goto sigbus;
1171
1172 LoadHWU(addr, value, res);
1173 if (res)
1174 goto fault;
1175 regs->regs[reg] = value;
1176 goto success;
1177
1178loadW:
1179 if (!access_ok(VERIFY_READ, addr, 4))
1180 goto sigbus;
1181
1182 LoadW(addr, value, res);
1183 if (res)
1184 goto fault;
1185 regs->regs[reg] = value;
1186 goto success;
1187
1188loadWU:
1189#ifdef CONFIG_64BIT
1190 /*
1191 * A 32-bit kernel might be running on a 64-bit processor. But
1192 * if we're on a 32-bit processor and an i-cache incoherency
1193 * or race makes us see a 64-bit instruction here the sdl/sdr
1194 * would blow up, so for now we don't handle unaligned 64-bit
1195 * instructions on 32-bit kernels.
1196 */
1197 if (!access_ok(VERIFY_READ, addr, 4))
1198 goto sigbus;
1199
1200 LoadWU(addr, value, res);
1201 if (res)
1202 goto fault;
1203 regs->regs[reg] = value;
1204 goto success;
1205#endif /* CONFIG_64BIT */
1206
1207 /* Cannot handle 64-bit instructions in 32-bit kernel */
1208 goto sigill;
1209
1210loadDW:
1211#ifdef CONFIG_64BIT
1212 /*
1213 * A 32-bit kernel might be running on a 64-bit processor. But
1214 * if we're on a 32-bit processor and an i-cache incoherency
1215 * or race makes us see a 64-bit instruction here the sdl/sdr
1216 * would blow up, so for now we don't handle unaligned 64-bit
1217 * instructions on 32-bit kernels.
1218 */
1219 if (!access_ok(VERIFY_READ, addr, 8))
1220 goto sigbus;
1221
1222 LoadDW(addr, value, res);
1223 if (res)
1224 goto fault;
1225 regs->regs[reg] = value;
1226 goto success;
1227#endif /* CONFIG_64BIT */
1228
1229 /* Cannot handle 64-bit instructions in 32-bit kernel */
1230 goto sigill;
1231
1232storeHW:
1233 if (!access_ok(VERIFY_WRITE, addr, 2))
1234 goto sigbus;
1235
1236 value = regs->regs[reg];
1237 StoreHW(addr, value, res);
1238 if (res)
1239 goto fault;
1240 goto success;
1241
1242storeW:
1243 if (!access_ok(VERIFY_WRITE, addr, 4))
1244 goto sigbus;
1245
1246 value = regs->regs[reg];
1247 StoreW(addr, value, res);
1248 if (res)
1249 goto fault;
1250 goto success;
1251
1252storeDW:
1253#ifdef CONFIG_64BIT
1254 /*
1255 * A 32-bit kernel might be running on a 64-bit processor. But
1256 * if we're on a 32-bit processor and an i-cache incoherency
1257 * or race makes us see a 64-bit instruction here the sdl/sdr
1258 * would blow up, so for now we don't handle unaligned 64-bit
1259 * instructions on 32-bit kernels.
1260 */
1261 if (!access_ok(VERIFY_WRITE, addr, 8))
1262 goto sigbus;
1263
1264 value = regs->regs[reg];
1265 StoreDW(addr, value, res);
1266 if (res)
1267 goto fault;
1268 goto success;
1269#endif /* CONFIG_64BIT */
1270
1271 /* Cannot handle 64-bit instructions in 32-bit kernel */
1272 goto sigill;
1273
1274success:
1275 regs->cp0_epc = contpc; /* advance or branch */
1276
1277#ifdef CONFIG_DEBUG_FS
1278 unaligned_instructions++;
1279#endif
1280 return;
1281
1282fault:
1283 /* roll back jump/branch */
1284 regs->cp0_epc = origpc;
1285 regs->regs[31] = orig31;
1286 /* Did we have an exception handler installed? */
1287 if (fixup_exception(regs))
1288 return;
1289
1290 die_if_kernel("Unhandled kernel unaligned access", regs);
1291 force_sig(SIGSEGV, current);
1292
1293 return;
1294
1295sigbus:
1296 die_if_kernel("Unhandled kernel unaligned access", regs);
1297 force_sig(SIGBUS, current);
1298
1299 return;
1300
1301sigill:
1302 die_if_kernel
1303 ("Unhandled kernel unaligned access or invalid instruction", regs);
1304 force_sig(SIGILL, current);
1305}
1306
1307static void emulate_load_store_MIPS16e(struct pt_regs *regs, void __user * addr)
1308{
1309 unsigned long value;
1310 unsigned int res;
1311 int reg;
1312 unsigned long orig31;
1313 u16 __user *pc16;
1314 unsigned long origpc;
1315 union mips16e_instruction mips16inst, oldinst;
1316
1317 origpc = regs->cp0_epc;
1318 orig31 = regs->regs[31];
1319 pc16 = (unsigned short __user *)msk_isa16_mode(origpc);
1320 /*
1321 * This load never faults.
1322 */
1323 __get_user(mips16inst.full, pc16);
1324 oldinst = mips16inst;
1325
1326 /* skip EXTEND instruction */
1327 if (mips16inst.ri.opcode == MIPS16e_extend_op) {
1328 pc16++;
1329 __get_user(mips16inst.full, pc16);
1330 } else if (delay_slot(regs)) {
1331 /* skip jump instructions */
1332 /* JAL/JALX are 32 bits but have OPCODE in first short int */
1333 if (mips16inst.ri.opcode == MIPS16e_jal_op)
1334 pc16++;
1335 pc16++;
1336 if (get_user(mips16inst.full, pc16))
1337 goto sigbus;
1338 }
1339
1340 switch (mips16inst.ri.opcode) {
1341 case MIPS16e_i64_op: /* I64 or RI64 instruction */
1342 switch (mips16inst.i64.func) { /* I64/RI64 func field check */
1343 case MIPS16e_ldpc_func:
1344 case MIPS16e_ldsp_func:
1345 reg = reg16to32[mips16inst.ri64.ry];
1346 goto loadDW;
1347
1348 case MIPS16e_sdsp_func:
1349 reg = reg16to32[mips16inst.ri64.ry];
1350 goto writeDW;
1351
1352 case MIPS16e_sdrasp_func:
1353 reg = 29; /* GPRSP */
1354 goto writeDW;
1355 }
1356
1357 goto sigbus;
1358
1359 case MIPS16e_swsp_op:
1360 case MIPS16e_lwpc_op:
1361 case MIPS16e_lwsp_op:
1362 reg = reg16to32[mips16inst.ri.rx];
1363 break;
1364
1365 case MIPS16e_i8_op:
1366 if (mips16inst.i8.func != MIPS16e_swrasp_func)
1367 goto sigbus;
1368 reg = 29; /* GPRSP */
1369 break;
1370
1371 default:
1372 reg = reg16to32[mips16inst.rri.ry];
1373 break;
1374 }
1375
1376 switch (mips16inst.ri.opcode) {
1377
1378 case MIPS16e_lb_op:
1379 case MIPS16e_lbu_op:
1380 case MIPS16e_sb_op:
1381 goto sigbus;
1382
1383 case MIPS16e_lh_op:
1384 if (!access_ok(VERIFY_READ, addr, 2))
1385 goto sigbus;
1386
1387 LoadHW(addr, value, res);
1388 if (res)
1389 goto fault;
1390 MIPS16e_compute_return_epc(regs, &oldinst);
1391 regs->regs[reg] = value;
1392 break;
1393
1394 case MIPS16e_lhu_op:
1395 if (!access_ok(VERIFY_READ, addr, 2))
1396 goto sigbus;
1397
1398 LoadHWU(addr, value, res);
1399 if (res)
1400 goto fault;
1401 MIPS16e_compute_return_epc(regs, &oldinst);
1402 regs->regs[reg] = value;
1403 break;
1404
1405 case MIPS16e_lw_op:
1406 case MIPS16e_lwpc_op:
1407 case MIPS16e_lwsp_op:
1408 if (!access_ok(VERIFY_READ, addr, 4))
1409 goto sigbus;
1410
1411 LoadW(addr, value, res);
1412 if (res)
1413 goto fault;
1414 MIPS16e_compute_return_epc(regs, &oldinst);
1415 regs->regs[reg] = value;
1416 break;
1417
1418 case MIPS16e_lwu_op:
1419#ifdef CONFIG_64BIT
1420 /*
1421 * A 32-bit kernel might be running on a 64-bit processor. But
1422 * if we're on a 32-bit processor and an i-cache incoherency
1423 * or race makes us see a 64-bit instruction here the sdl/sdr
1424 * would blow up, so for now we don't handle unaligned 64-bit
1425 * instructions on 32-bit kernels.
1426 */
1427 if (!access_ok(VERIFY_READ, addr, 4))
1428 goto sigbus;
1429
1430 LoadWU(addr, value, res);
1431 if (res)
1432 goto fault;
1433 MIPS16e_compute_return_epc(regs, &oldinst);
1434 regs->regs[reg] = value;
1435 break;
1436#endif /* CONFIG_64BIT */
1437
1438 /* Cannot handle 64-bit instructions in 32-bit kernel */
1439 goto sigill;
1440
1441 case MIPS16e_ld_op:
1442loadDW:
1443#ifdef CONFIG_64BIT
1444 /*
1445 * A 32-bit kernel might be running on a 64-bit processor. But
1446 * if we're on a 32-bit processor and an i-cache incoherency
1447 * or race makes us see a 64-bit instruction here the sdl/sdr
1448 * would blow up, so for now we don't handle unaligned 64-bit
1449 * instructions on 32-bit kernels.
1450 */
1451 if (!access_ok(VERIFY_READ, addr, 8))
1452 goto sigbus;
1453
1454 LoadDW(addr, value, res);
1455 if (res)
1456 goto fault;
1457 MIPS16e_compute_return_epc(regs, &oldinst);
1458 regs->regs[reg] = value;
1459 break;
1460#endif /* CONFIG_64BIT */
1461
1462 /* Cannot handle 64-bit instructions in 32-bit kernel */
1463 goto sigill;
1464
1465 case MIPS16e_sh_op:
1466 if (!access_ok(VERIFY_WRITE, addr, 2))
1467 goto sigbus;
1468
1469 MIPS16e_compute_return_epc(regs, &oldinst);
1470 value = regs->regs[reg];
1471 StoreHW(addr, value, res);
1472 if (res)
1473 goto fault;
1474 break;
1475
1476 case MIPS16e_sw_op:
1477 case MIPS16e_swsp_op:
1478 case MIPS16e_i8_op: /* actually - MIPS16e_swrasp_func */
1479 if (!access_ok(VERIFY_WRITE, addr, 4))
1480 goto sigbus;
1481
1482 MIPS16e_compute_return_epc(regs, &oldinst);
1483 value = regs->regs[reg];
1484 StoreW(addr, value, res);
1485 if (res)
1486 goto fault;
1487 break;
1488
1489 case MIPS16e_sd_op:
1490writeDW:
1491#ifdef CONFIG_64BIT
1492 /*
1493 * A 32-bit kernel might be running on a 64-bit processor. But
1494 * if we're on a 32-bit processor and an i-cache incoherency
1495 * or race makes us see a 64-bit instruction here the sdl/sdr
1496 * would blow up, so for now we don't handle unaligned 64-bit
1497 * instructions on 32-bit kernels.
1498 */
1499 if (!access_ok(VERIFY_WRITE, addr, 8))
1500 goto sigbus;
1501
1502 MIPS16e_compute_return_epc(regs, &oldinst);
1503 value = regs->regs[reg];
1504 StoreDW(addr, value, res);
1505 if (res)
1506 goto fault;
1507 break;
1508#endif /* CONFIG_64BIT */
1509
1510 /* Cannot handle 64-bit instructions in 32-bit kernel */
1511 goto sigill;
1512
1513 default:
1514 /*
1515 * Pheeee... We encountered an yet unknown instruction or
1516 * cache coherence problem. Die sucker, die ...
1517 */
1518 goto sigill;
1519 }
1520
1521#ifdef CONFIG_DEBUG_FS
1522 unaligned_instructions++;
1523#endif
1524
1525 return;
1526
1527fault:
1528 /* roll back jump/branch */
1529 regs->cp0_epc = origpc;
1530 regs->regs[31] = orig31;
1531 /* Did we have an exception handler installed? */
1532 if (fixup_exception(regs))
1533 return;
1534
1535 die_if_kernel("Unhandled kernel unaligned access", regs);
1536 force_sig(SIGSEGV, current);
1537
1538 return;
1539
1540sigbus:
1541 die_if_kernel("Unhandled kernel unaligned access", regs);
1542 force_sig(SIGBUS, current);
1543
1544 return;
1545
1546sigill:
1547 die_if_kernel
1548 ("Unhandled kernel unaligned access or invalid instruction", regs);
1549 force_sig(SIGILL, current);
1550}
511asmlinkage void do_ade(struct pt_regs *regs) 1551asmlinkage void do_ade(struct pt_regs *regs)
512{ 1552{
513 unsigned int __user *pc; 1553 unsigned int __user *pc;
@@ -517,23 +1557,62 @@ asmlinkage void do_ade(struct pt_regs *regs)
517 1, regs, regs->cp0_badvaddr); 1557 1, regs, regs->cp0_badvaddr);
518 /* 1558 /*
519 * Did we catch a fault trying to load an instruction? 1559 * Did we catch a fault trying to load an instruction?
520 * Or are we running in MIPS16 mode?
521 */ 1560 */
522 if ((regs->cp0_badvaddr == regs->cp0_epc) || (regs->cp0_epc & 0x1)) 1561 if (regs->cp0_badvaddr == regs->cp0_epc)
523 goto sigbus; 1562 goto sigbus;
524 1563
525 pc = (unsigned int __user *) exception_epc(regs);
526 if (user_mode(regs) && !test_thread_flag(TIF_FIXADE)) 1564 if (user_mode(regs) && !test_thread_flag(TIF_FIXADE))
527 goto sigbus; 1565 goto sigbus;
528 if (unaligned_action == UNALIGNED_ACTION_SIGNAL) 1566 if (unaligned_action == UNALIGNED_ACTION_SIGNAL)
529 goto sigbus; 1567 goto sigbus;
530 else if (unaligned_action == UNALIGNED_ACTION_SHOW)
531 show_registers(regs);
532 1568
533 /* 1569 /*
534 * Do branch emulation only if we didn't forward the exception. 1570 * Do branch emulation only if we didn't forward the exception.
535 * This is all so but ugly ... 1571 * This is all so but ugly ...
536 */ 1572 */
1573
1574 /*
1575 * Are we running in microMIPS mode?
1576 */
1577 if (get_isa16_mode(regs->cp0_epc)) {
1578 /*
1579 * Did we catch a fault trying to load an instruction in
1580 * 16-bit mode?
1581 */
1582 if (regs->cp0_badvaddr == msk_isa16_mode(regs->cp0_epc))
1583 goto sigbus;
1584 if (unaligned_action == UNALIGNED_ACTION_SHOW)
1585 show_registers(regs);
1586
1587 if (cpu_has_mmips) {
1588 seg = get_fs();
1589 if (!user_mode(regs))
1590 set_fs(KERNEL_DS);
1591 emulate_load_store_microMIPS(regs,
1592 (void __user *)regs->cp0_badvaddr);
1593 set_fs(seg);
1594
1595 return;
1596 }
1597
1598 if (cpu_has_mips16) {
1599 seg = get_fs();
1600 if (!user_mode(regs))
1601 set_fs(KERNEL_DS);
1602 emulate_load_store_MIPS16e(regs,
1603 (void __user *)regs->cp0_badvaddr);
1604 set_fs(seg);
1605
1606 return;
1607 }
1608
1609 goto sigbus;
1610 }
1611
1612 if (unaligned_action == UNALIGNED_ACTION_SHOW)
1613 show_registers(regs);
1614 pc = (unsigned int __user *)exception_epc(regs);
1615
537 seg = get_fs(); 1616 seg = get_fs();
538 if (!user_mode(regs)) 1617 if (!user_mode(regs))
539 set_fs(KERNEL_DS); 1618 set_fs(KERNEL_DS);
diff --git a/arch/mips/kvm/kvm_mips_emul.c b/arch/mips/kvm/kvm_mips_emul.c
index 4b6274b47f33..2b2bac9a40aa 100644
--- a/arch/mips/kvm/kvm_mips_emul.c
+++ b/arch/mips/kvm/kvm_mips_emul.c
@@ -525,18 +525,16 @@ kvm_mips_emulate_CP0(uint32_t inst, uint32_t *opc, uint32_t cause,
525 printk("MTCz, cop0->reg[EBASE]: %#lx\n", 525 printk("MTCz, cop0->reg[EBASE]: %#lx\n",
526 kvm_read_c0_guest_ebase(cop0)); 526 kvm_read_c0_guest_ebase(cop0));
527 } else if (rd == MIPS_CP0_TLB_HI && sel == 0) { 527 } else if (rd == MIPS_CP0_TLB_HI && sel == 0) {
528 uint32_t nasid = 528 uint32_t nasid = ASID_MASK(vcpu->arch.gprs[rt]);
529 vcpu->arch.gprs[rt] & ASID_MASK;
530 if ((KSEGX(vcpu->arch.gprs[rt]) != CKSEG0) 529 if ((KSEGX(vcpu->arch.gprs[rt]) != CKSEG0)
531 && 530 &&
532 ((kvm_read_c0_guest_entryhi(cop0) & 531 (ASID_MASK(kvm_read_c0_guest_entryhi(cop0))
533 ASID_MASK) != nasid)) { 532 != nasid)) {
534 533
535 kvm_debug 534 kvm_debug
536 ("MTCz, change ASID from %#lx to %#lx\n", 535 ("MTCz, change ASID from %#lx to %#lx\n",
537 kvm_read_c0_guest_entryhi(cop0) & 536 ASID_MASK(kvm_read_c0_guest_entryhi(cop0)),
538 ASID_MASK, 537 ASID_MASK(vcpu->arch.gprs[rt]));
539 vcpu->arch.gprs[rt] & ASID_MASK);
540 538
541 /* Blow away the shadow host TLBs */ 539 /* Blow away the shadow host TLBs */
542 kvm_mips_flush_host_tlb(1); 540 kvm_mips_flush_host_tlb(1);
@@ -988,8 +986,7 @@ kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc, uint32_t cause,
988 * resulting handler will do the right thing 986 * resulting handler will do the right thing
989 */ 987 */
990 index = kvm_mips_guest_tlb_lookup(vcpu, (va & VPN2_MASK) | 988 index = kvm_mips_guest_tlb_lookup(vcpu, (va & VPN2_MASK) |
991 (kvm_read_c0_guest_entryhi 989 ASID_MASK(kvm_read_c0_guest_entryhi(cop0)));
992 (cop0) & ASID_MASK));
993 990
994 if (index < 0) { 991 if (index < 0) {
995 vcpu->arch.host_cp0_entryhi = (va & VPN2_MASK); 992 vcpu->arch.host_cp0_entryhi = (va & VPN2_MASK);
@@ -1154,7 +1151,7 @@ kvm_mips_emulate_tlbmiss_ld(unsigned long cause, uint32_t *opc,
1154 struct kvm_vcpu_arch *arch = &vcpu->arch; 1151 struct kvm_vcpu_arch *arch = &vcpu->arch;
1155 enum emulation_result er = EMULATE_DONE; 1152 enum emulation_result er = EMULATE_DONE;
1156 unsigned long entryhi = (vcpu->arch. host_cp0_badvaddr & VPN2_MASK) | 1153 unsigned long entryhi = (vcpu->arch. host_cp0_badvaddr & VPN2_MASK) |
1157 (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK); 1154 ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
1158 1155
1159 if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) { 1156 if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
1160 /* save old pc */ 1157 /* save old pc */
@@ -1201,7 +1198,7 @@ kvm_mips_emulate_tlbinv_ld(unsigned long cause, uint32_t *opc,
1201 enum emulation_result er = EMULATE_DONE; 1198 enum emulation_result er = EMULATE_DONE;
1202 unsigned long entryhi = 1199 unsigned long entryhi =
1203 (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) | 1200 (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
1204 (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK); 1201 ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
1205 1202
1206 if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) { 1203 if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
1207 /* save old pc */ 1204 /* save old pc */
@@ -1246,7 +1243,7 @@ kvm_mips_emulate_tlbmiss_st(unsigned long cause, uint32_t *opc,
1246 struct kvm_vcpu_arch *arch = &vcpu->arch; 1243 struct kvm_vcpu_arch *arch = &vcpu->arch;
1247 enum emulation_result er = EMULATE_DONE; 1244 enum emulation_result er = EMULATE_DONE;
1248 unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) | 1245 unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
1249 (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK); 1246 ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
1250 1247
1251 if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) { 1248 if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
1252 /* save old pc */ 1249 /* save old pc */
@@ -1290,7 +1287,7 @@ kvm_mips_emulate_tlbinv_st(unsigned long cause, uint32_t *opc,
1290 struct kvm_vcpu_arch *arch = &vcpu->arch; 1287 struct kvm_vcpu_arch *arch = &vcpu->arch;
1291 enum emulation_result er = EMULATE_DONE; 1288 enum emulation_result er = EMULATE_DONE;
1292 unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) | 1289 unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
1293 (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK); 1290 ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
1294 1291
1295 if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) { 1292 if ((kvm_read_c0_guest_status(cop0) & ST0_EXL) == 0) {
1296 /* save old pc */ 1293 /* save old pc */
@@ -1359,7 +1356,7 @@ kvm_mips_emulate_tlbmod(unsigned long cause, uint32_t *opc,
1359{ 1356{
1360 struct mips_coproc *cop0 = vcpu->arch.cop0; 1357 struct mips_coproc *cop0 = vcpu->arch.cop0;
1361 unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) | 1358 unsigned long entryhi = (vcpu->arch.host_cp0_badvaddr & VPN2_MASK) |
1362 (kvm_read_c0_guest_entryhi(cop0) & ASID_MASK); 1359 ASID_MASK(kvm_read_c0_guest_entryhi(cop0));
1363 struct kvm_vcpu_arch *arch = &vcpu->arch; 1360 struct kvm_vcpu_arch *arch = &vcpu->arch;
1364 enum emulation_result er = EMULATE_DONE; 1361 enum emulation_result er = EMULATE_DONE;
1365 1362
@@ -1786,8 +1783,8 @@ kvm_mips_handle_tlbmiss(unsigned long cause, uint32_t *opc,
1786 */ 1783 */
1787 index = kvm_mips_guest_tlb_lookup(vcpu, 1784 index = kvm_mips_guest_tlb_lookup(vcpu,
1788 (va & VPN2_MASK) | 1785 (va & VPN2_MASK) |
1789 (kvm_read_c0_guest_entryhi 1786 ASID_MASK(kvm_read_c0_guest_entryhi
1790 (vcpu->arch.cop0) & ASID_MASK)); 1787 (vcpu->arch.cop0)));
1791 if (index < 0) { 1788 if (index < 0) {
1792 if (exccode == T_TLB_LD_MISS) { 1789 if (exccode == T_TLB_LD_MISS) {
1793 er = kvm_mips_emulate_tlbmiss_ld(cause, opc, run, vcpu); 1790 er = kvm_mips_emulate_tlbmiss_ld(cause, opc, run, vcpu);
diff --git a/arch/mips/kvm/kvm_tlb.c b/arch/mips/kvm/kvm_tlb.c
index e3f0d9b8b6c5..89511a9258d3 100644
--- a/arch/mips/kvm/kvm_tlb.c
+++ b/arch/mips/kvm/kvm_tlb.c
@@ -51,13 +51,13 @@ EXPORT_SYMBOL(kvm_mips_is_error_pfn);
51 51
52uint32_t kvm_mips_get_kernel_asid(struct kvm_vcpu *vcpu) 52uint32_t kvm_mips_get_kernel_asid(struct kvm_vcpu *vcpu)
53{ 53{
54 return vcpu->arch.guest_kernel_asid[smp_processor_id()] & ASID_MASK; 54 return ASID_MASK(vcpu->arch.guest_kernel_asid[smp_processor_id()]);
55} 55}
56 56
57 57
58uint32_t kvm_mips_get_user_asid(struct kvm_vcpu *vcpu) 58uint32_t kvm_mips_get_user_asid(struct kvm_vcpu *vcpu)
59{ 59{
60 return vcpu->arch.guest_user_asid[smp_processor_id()] & ASID_MASK; 60 return ASID_MASK(vcpu->arch.guest_user_asid[smp_processor_id()]);
61} 61}
62 62
63inline uint32_t kvm_mips_get_commpage_asid (struct kvm_vcpu *vcpu) 63inline uint32_t kvm_mips_get_commpage_asid (struct kvm_vcpu *vcpu)
@@ -84,7 +84,7 @@ void kvm_mips_dump_host_tlbs(void)
84 old_pagemask = read_c0_pagemask(); 84 old_pagemask = read_c0_pagemask();
85 85
86 printk("HOST TLBs:\n"); 86 printk("HOST TLBs:\n");
87 printk("ASID: %#lx\n", read_c0_entryhi() & ASID_MASK); 87 printk("ASID: %#lx\n", ASID_MASK(read_c0_entryhi()));
88 88
89 for (i = 0; i < current_cpu_data.tlbsize; i++) { 89 for (i = 0; i < current_cpu_data.tlbsize; i++) {
90 write_c0_index(i); 90 write_c0_index(i);
@@ -428,7 +428,7 @@ int kvm_mips_guest_tlb_lookup(struct kvm_vcpu *vcpu, unsigned long entryhi)
428 428
429 for (i = 0; i < KVM_MIPS_GUEST_TLB_SIZE; i++) { 429 for (i = 0; i < KVM_MIPS_GUEST_TLB_SIZE; i++) {
430 if (((TLB_VPN2(tlb[i]) & ~tlb[i].tlb_mask) == ((entryhi & VPN2_MASK) & ~tlb[i].tlb_mask)) && 430 if (((TLB_VPN2(tlb[i]) & ~tlb[i].tlb_mask) == ((entryhi & VPN2_MASK) & ~tlb[i].tlb_mask)) &&
431 (TLB_IS_GLOBAL(tlb[i]) || (TLB_ASID(tlb[i]) == (entryhi & ASID_MASK)))) { 431 (TLB_IS_GLOBAL(tlb[i]) || (TLB_ASID(tlb[i]) == ASID_MASK(entryhi)))) {
432 index = i; 432 index = i;
433 break; 433 break;
434 } 434 }
@@ -626,7 +626,7 @@ kvm_get_new_mmu_context(struct mm_struct *mm, unsigned long cpu,
626{ 626{
627 unsigned long asid = asid_cache(cpu); 627 unsigned long asid = asid_cache(cpu);
628 628
629 if (!((asid += ASID_INC) & ASID_MASK)) { 629 if (!(ASID_MASK(ASID_INC(asid)))) {
630 if (cpu_has_vtag_icache) { 630 if (cpu_has_vtag_icache) {
631 flush_icache_all(); 631 flush_icache_all();
632 } 632 }
@@ -804,8 +804,7 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
804 if (!newasid) { 804 if (!newasid) {
805 /* If we preempted while the guest was executing, then reload the pre-empted ASID */ 805 /* If we preempted while the guest was executing, then reload the pre-empted ASID */
806 if (current->flags & PF_VCPU) { 806 if (current->flags & PF_VCPU) {
807 write_c0_entryhi(vcpu->arch. 807 write_c0_entryhi(ASID_MASK(vcpu->arch.preempt_entryhi));
808 preempt_entryhi & ASID_MASK);
809 ehb(); 808 ehb();
810 } 809 }
811 } else { 810 } else {
@@ -817,13 +816,11 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu)
817 */ 816 */
818 if (current->flags & PF_VCPU) { 817 if (current->flags & PF_VCPU) {
819 if (KVM_GUEST_KERNEL_MODE(vcpu)) 818 if (KVM_GUEST_KERNEL_MODE(vcpu))
820 write_c0_entryhi(vcpu->arch. 819 write_c0_entryhi(ASID_MASK(vcpu->arch.
821 guest_kernel_asid[cpu] & 820 guest_kernel_asid[cpu]));
822 ASID_MASK);
823 else 821 else
824 write_c0_entryhi(vcpu->arch. 822 write_c0_entryhi(ASID_MASK(vcpu->arch.
825 guest_user_asid[cpu] & 823 guest_user_asid[cpu]));
826 ASID_MASK);
827 ehb(); 824 ehb();
828 } 825 }
829 } 826 }
@@ -882,8 +879,7 @@ uint32_t kvm_get_inst(uint32_t *opc, struct kvm_vcpu *vcpu)
882 kvm_mips_guest_tlb_lookup(vcpu, 879 kvm_mips_guest_tlb_lookup(vcpu,
883 ((unsigned long) opc & VPN2_MASK) 880 ((unsigned long) opc & VPN2_MASK)
884 | 881 |
885 (kvm_read_c0_guest_entryhi 882 ASID_MASK(kvm_read_c0_guest_entryhi(cop0)));
886 (cop0) & ASID_MASK));
887 if (index < 0) { 883 if (index < 0) {
888 kvm_err 884 kvm_err
889 ("%s: get_user_failed for %p, vcpu: %p, ASID: %#lx\n", 885 ("%s: get_user_failed for %p, vcpu: %p, ASID: %#lx\n",
diff --git a/arch/mips/lib/dump_tlb.c b/arch/mips/lib/dump_tlb.c
index 32b9f21bfd85..8a12d00908e0 100644
--- a/arch/mips/lib/dump_tlb.c
+++ b/arch/mips/lib/dump_tlb.c
@@ -11,6 +11,7 @@
11#include <asm/page.h> 11#include <asm/page.h>
12#include <asm/pgtable.h> 12#include <asm/pgtable.h>
13#include <asm/tlbdebug.h> 13#include <asm/tlbdebug.h>
14#include <asm/mmu_context.h>
14 15
15static inline const char *msk2str(unsigned int mask) 16static inline const char *msk2str(unsigned int mask)
16{ 17{
@@ -55,7 +56,7 @@ static void dump_tlb(int first, int last)
55 s_pagemask = read_c0_pagemask(); 56 s_pagemask = read_c0_pagemask();
56 s_entryhi = read_c0_entryhi(); 57 s_entryhi = read_c0_entryhi();
57 s_index = read_c0_index(); 58 s_index = read_c0_index();
58 asid = s_entryhi & 0xff; 59 asid = ASID_MASK(s_entryhi);
59 60
60 for (i = first; i <= last; i++) { 61 for (i = first; i <= last; i++) {
61 write_c0_index(i); 62 write_c0_index(i);
@@ -85,7 +86,7 @@ static void dump_tlb(int first, int last)
85 86
86 printk("va=%0*lx asid=%02lx\n", 87 printk("va=%0*lx asid=%02lx\n",
87 width, (entryhi & ~0x1fffUL), 88 width, (entryhi & ~0x1fffUL),
88 entryhi & 0xff); 89 ASID_MASK(entryhi));
89 printk("\t[pa=%0*llx c=%d d=%d v=%d g=%d] ", 90 printk("\t[pa=%0*llx c=%d d=%d v=%d g=%d] ",
90 width, 91 width,
91 (entrylo0 << 6) & PAGE_MASK, c0, 92 (entrylo0 << 6) & PAGE_MASK, c0,
diff --git a/arch/mips/lib/memset.S b/arch/mips/lib/memset.S
index 053d3b0b0317..0580194e7402 100644
--- a/arch/mips/lib/memset.S
+++ b/arch/mips/lib/memset.S
@@ -5,7 +5,8 @@
5 * 5 *
6 * Copyright (C) 1998, 1999, 2000 by Ralf Baechle 6 * Copyright (C) 1998, 1999, 2000 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc. 7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2007 Maciej W. Rozycki 8 * Copyright (C) 2007 by Maciej W. Rozycki
9 * Copyright (C) 2011, 2012 MIPS Technologies, Inc.
9 */ 10 */
10#include <asm/asm.h> 11#include <asm/asm.h>
11#include <asm/asm-offsets.h> 12#include <asm/asm-offsets.h>
@@ -19,6 +20,20 @@
19#define LONG_S_R sdr 20#define LONG_S_R sdr
20#endif 21#endif
21 22
23#ifdef CONFIG_CPU_MICROMIPS
24#define STORSIZE (LONGSIZE * 2)
25#define STORMASK (STORSIZE - 1)
26#define FILL64RG t8
27#define FILLPTRG t7
28#undef LONG_S
29#define LONG_S LONG_SP
30#else
31#define STORSIZE LONGSIZE
32#define STORMASK LONGMASK
33#define FILL64RG a1
34#define FILLPTRG t0
35#endif
36
22#define EX(insn,reg,addr,handler) \ 37#define EX(insn,reg,addr,handler) \
239: insn reg, addr; \ 389: insn reg, addr; \
24 .section __ex_table,"a"; \ 39 .section __ex_table,"a"; \
@@ -26,23 +41,25 @@
26 .previous 41 .previous
27 42
28 .macro f_fill64 dst, offset, val, fixup 43 .macro f_fill64 dst, offset, val, fixup
29 EX(LONG_S, \val, (\offset + 0 * LONGSIZE)(\dst), \fixup) 44 EX(LONG_S, \val, (\offset + 0 * STORSIZE)(\dst), \fixup)
30 EX(LONG_S, \val, (\offset + 1 * LONGSIZE)(\dst), \fixup) 45 EX(LONG_S, \val, (\offset + 1 * STORSIZE)(\dst), \fixup)
31 EX(LONG_S, \val, (\offset + 2 * LONGSIZE)(\dst), \fixup) 46 EX(LONG_S, \val, (\offset + 2 * STORSIZE)(\dst), \fixup)
32 EX(LONG_S, \val, (\offset + 3 * LONGSIZE)(\dst), \fixup) 47 EX(LONG_S, \val, (\offset + 3 * STORSIZE)(\dst), \fixup)
33 EX(LONG_S, \val, (\offset + 4 * LONGSIZE)(\dst), \fixup) 48#if ((defined(CONFIG_CPU_MICROMIPS) && (LONGSIZE == 4)) || !defined(CONFIG_CPU_MICROMIPS))
34 EX(LONG_S, \val, (\offset + 5 * LONGSIZE)(\dst), \fixup) 49 EX(LONG_S, \val, (\offset + 4 * STORSIZE)(\dst), \fixup)
35 EX(LONG_S, \val, (\offset + 6 * LONGSIZE)(\dst), \fixup) 50 EX(LONG_S, \val, (\offset + 5 * STORSIZE)(\dst), \fixup)
36 EX(LONG_S, \val, (\offset + 7 * LONGSIZE)(\dst), \fixup) 51 EX(LONG_S, \val, (\offset + 6 * STORSIZE)(\dst), \fixup)
37#if LONGSIZE == 4 52 EX(LONG_S, \val, (\offset + 7 * STORSIZE)(\dst), \fixup)
38 EX(LONG_S, \val, (\offset + 8 * LONGSIZE)(\dst), \fixup) 53#endif
39 EX(LONG_S, \val, (\offset + 9 * LONGSIZE)(\dst), \fixup) 54#if (!defined(CONFIG_CPU_MICROMIPS) && (LONGSIZE == 4))
40 EX(LONG_S, \val, (\offset + 10 * LONGSIZE)(\dst), \fixup) 55 EX(LONG_S, \val, (\offset + 8 * STORSIZE)(\dst), \fixup)
41 EX(LONG_S, \val, (\offset + 11 * LONGSIZE)(\dst), \fixup) 56 EX(LONG_S, \val, (\offset + 9 * STORSIZE)(\dst), \fixup)
42 EX(LONG_S, \val, (\offset + 12 * LONGSIZE)(\dst), \fixup) 57 EX(LONG_S, \val, (\offset + 10 * STORSIZE)(\dst), \fixup)
43 EX(LONG_S, \val, (\offset + 13 * LONGSIZE)(\dst), \fixup) 58 EX(LONG_S, \val, (\offset + 11 * STORSIZE)(\dst), \fixup)
44 EX(LONG_S, \val, (\offset + 14 * LONGSIZE)(\dst), \fixup) 59 EX(LONG_S, \val, (\offset + 12 * STORSIZE)(\dst), \fixup)
45 EX(LONG_S, \val, (\offset + 15 * LONGSIZE)(\dst), \fixup) 60 EX(LONG_S, \val, (\offset + 13 * STORSIZE)(\dst), \fixup)
61 EX(LONG_S, \val, (\offset + 14 * STORSIZE)(\dst), \fixup)
62 EX(LONG_S, \val, (\offset + 15 * STORSIZE)(\dst), \fixup)
46#endif 63#endif
47 .endm 64 .endm
48 65
@@ -71,16 +88,20 @@ LEAF(memset)
711: 881:
72 89
73FEXPORT(__bzero) 90FEXPORT(__bzero)
74 sltiu t0, a2, LONGSIZE /* very small region? */ 91 sltiu t0, a2, STORSIZE /* very small region? */
75 bnez t0, .Lsmall_memset 92 bnez t0, .Lsmall_memset
76 andi t0, a0, LONGMASK /* aligned? */ 93 andi t0, a0, STORMASK /* aligned? */
77 94
95#ifdef CONFIG_CPU_MICROMIPS
96 move t8, a1 /* used by 'swp' instruction */
97 move t9, a1
98#endif
78#ifndef CONFIG_CPU_DADDI_WORKAROUNDS 99#ifndef CONFIG_CPU_DADDI_WORKAROUNDS
79 beqz t0, 1f 100 beqz t0, 1f
80 PTR_SUBU t0, LONGSIZE /* alignment in bytes */ 101 PTR_SUBU t0, STORSIZE /* alignment in bytes */
81#else 102#else
82 .set noat 103 .set noat
83 li AT, LONGSIZE 104 li AT, STORSIZE
84 beqz t0, 1f 105 beqz t0, 1f
85 PTR_SUBU t0, AT /* alignment in bytes */ 106 PTR_SUBU t0, AT /* alignment in bytes */
86 .set at 107 .set at
@@ -99,24 +120,27 @@ FEXPORT(__bzero)
991: ori t1, a2, 0x3f /* # of full blocks */ 1201: ori t1, a2, 0x3f /* # of full blocks */
100 xori t1, 0x3f 121 xori t1, 0x3f
101 beqz t1, .Lmemset_partial /* no block to fill */ 122 beqz t1, .Lmemset_partial /* no block to fill */
102 andi t0, a2, 0x40-LONGSIZE 123 andi t0, a2, 0x40-STORSIZE
103 124
104 PTR_ADDU t1, a0 /* end address */ 125 PTR_ADDU t1, a0 /* end address */
105 .set reorder 126 .set reorder
1061: PTR_ADDIU a0, 64 1271: PTR_ADDIU a0, 64
107 R10KCBARRIER(0(ra)) 128 R10KCBARRIER(0(ra))
108 f_fill64 a0, -64, a1, .Lfwd_fixup 129 f_fill64 a0, -64, FILL64RG, .Lfwd_fixup
109 bne t1, a0, 1b 130 bne t1, a0, 1b
110 .set noreorder 131 .set noreorder
111 132
112.Lmemset_partial: 133.Lmemset_partial:
113 R10KCBARRIER(0(ra)) 134 R10KCBARRIER(0(ra))
114 PTR_LA t1, 2f /* where to start */ 135 PTR_LA t1, 2f /* where to start */
136#ifdef CONFIG_CPU_MICROMIPS
137 LONG_SRL t7, t0, 1
138#endif
115#if LONGSIZE == 4 139#if LONGSIZE == 4
116 PTR_SUBU t1, t0 140 PTR_SUBU t1, FILLPTRG
117#else 141#else
118 .set noat 142 .set noat
119 LONG_SRL AT, t0, 1 143 LONG_SRL AT, FILLPTRG, 1
120 PTR_SUBU t1, AT 144 PTR_SUBU t1, AT
121 .set at 145 .set at
122#endif 146#endif
@@ -126,9 +150,9 @@ FEXPORT(__bzero)
126 .set push 150 .set push
127 .set noreorder 151 .set noreorder
128 .set nomacro 152 .set nomacro
129 f_fill64 a0, -64, a1, .Lpartial_fixup /* ... but first do longs ... */ 153 f_fill64 a0, -64, FILL64RG, .Lpartial_fixup /* ... but first do longs ... */
1302: .set pop 1542: .set pop
131 andi a2, LONGMASK /* At most one long to go */ 155 andi a2, STORMASK /* At most one long to go */
132 156
133 beqz a2, 1f 157 beqz a2, 1f
134 PTR_ADDU a0, a2 /* What's left */ 158 PTR_ADDU a0, a2 /* What's left */
@@ -169,7 +193,7 @@ FEXPORT(__bzero)
169 193
170.Lpartial_fixup: 194.Lpartial_fixup:
171 PTR_L t0, TI_TASK($28) 195 PTR_L t0, TI_TASK($28)
172 andi a2, LONGMASK 196 andi a2, STORMASK
173 LONG_L t0, THREAD_BUADDR(t0) 197 LONG_L t0, THREAD_BUADDR(t0)
174 LONG_ADDU a2, t1 198 LONG_ADDU a2, t1
175 jr ra 199 jr ra
@@ -177,4 +201,4 @@ FEXPORT(__bzero)
177 201
178.Llast_fixup: 202.Llast_fixup:
179 jr ra 203 jr ra
180 andi v1, a2, LONGMASK 204 andi v1, a2, STORMASK
diff --git a/arch/mips/lib/r3k_dump_tlb.c b/arch/mips/lib/r3k_dump_tlb.c
index 91615c2ef0cf..8327698b9937 100644
--- a/arch/mips/lib/r3k_dump_tlb.c
+++ b/arch/mips/lib/r3k_dump_tlb.c
@@ -9,6 +9,7 @@
9#include <linux/mm.h> 9#include <linux/mm.h>
10 10
11#include <asm/mipsregs.h> 11#include <asm/mipsregs.h>
12#include <asm/mmu_context.h>
12#include <asm/page.h> 13#include <asm/page.h>
13#include <asm/pgtable.h> 14#include <asm/pgtable.h>
14#include <asm/tlbdebug.h> 15#include <asm/tlbdebug.h>
@@ -21,7 +22,7 @@ static void dump_tlb(int first, int last)
21 unsigned int asid; 22 unsigned int asid;
22 unsigned long entryhi, entrylo0; 23 unsigned long entryhi, entrylo0;
23 24
24 asid = read_c0_entryhi() & 0xfc0; 25 asid = ASID_MASK(read_c0_entryhi());
25 26
26 for (i = first; i <= last; i++) { 27 for (i = first; i <= last; i++) {
27 write_c0_index(i<<8); 28 write_c0_index(i<<8);
@@ -35,7 +36,7 @@ static void dump_tlb(int first, int last)
35 36
36 /* Unused entries have a virtual address of KSEG0. */ 37 /* Unused entries have a virtual address of KSEG0. */
37 if ((entryhi & 0xffffe000) != 0x80000000 38 if ((entryhi & 0xffffe000) != 0x80000000
38 && (entryhi & 0xfc0) == asid) { 39 && (ASID_MASK(entryhi) == asid)) {
39 /* 40 /*
40 * Only print entries in use 41 * Only print entries in use
41 */ 42 */
@@ -44,7 +45,7 @@ static void dump_tlb(int first, int last)
44 printk("va=%08lx asid=%08lx" 45 printk("va=%08lx asid=%08lx"
45 " [pa=%06lx n=%d d=%d v=%d g=%d]", 46 " [pa=%06lx n=%d d=%d v=%d g=%d]",
46 (entryhi & 0xffffe000), 47 (entryhi & 0xffffe000),
47 entryhi & 0xfc0, 48 ASID_MASK(entryhi),
48 entrylo0 & PAGE_MASK, 49 entrylo0 & PAGE_MASK,
49 (entrylo0 & (1 << 11)) ? 1 : 0, 50 (entrylo0 & (1 << 11)) ? 1 : 0,
50 (entrylo0 & (1 << 10)) ? 1 : 0, 51 (entrylo0 & (1 << 10)) ? 1 : 0,
diff --git a/arch/mips/lib/strlen_user.S b/arch/mips/lib/strlen_user.S
index fdbb970f670d..e362dcdc69d1 100644
--- a/arch/mips/lib/strlen_user.S
+++ b/arch/mips/lib/strlen_user.S
@@ -3,8 +3,9 @@
3 * License. See the file "COPYING" in the main directory of this archive 3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (c) 1996, 1998, 1999, 2004 by Ralf Baechle 6 * Copyright (C) 1996, 1998, 1999, 2004 by Ralf Baechle
7 * Copyright (c) 1999 Silicon Graphics, Inc. 7 * Copyright (C) 1999 Silicon Graphics, Inc.
8 * Copyright (C) 2011 MIPS Technologies, Inc.
8 */ 9 */
9#include <asm/asm.h> 10#include <asm/asm.h>
10#include <asm/asm-offsets.h> 11#include <asm/asm-offsets.h>
@@ -28,9 +29,9 @@ LEAF(__strlen_user_asm)
28 29
29FEXPORT(__strlen_user_nocheck_asm) 30FEXPORT(__strlen_user_nocheck_asm)
30 move v0, a0 31 move v0, a0
311: EX(lb, t0, (v0), .Lfault) 321: EX(lbu, v1, (v0), .Lfault)
32 PTR_ADDIU v0, 1 33 PTR_ADDIU v0, 1
33 bnez t0, 1b 34 bnez v1, 1b
34 PTR_SUBU v0, a0 35 PTR_SUBU v0, a0
35 jr ra 36 jr ra
36 END(__strlen_user_asm) 37 END(__strlen_user_asm)
diff --git a/arch/mips/lib/strncpy_user.S b/arch/mips/lib/strncpy_user.S
index bad539487503..92870b6b53ea 100644
--- a/arch/mips/lib/strncpy_user.S
+++ b/arch/mips/lib/strncpy_user.S
@@ -3,7 +3,8 @@
3 * License. See the file "COPYING" in the main directory of this archive 3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details. 4 * for more details.
5 * 5 *
6 * Copyright (c) 1996, 1999 by Ralf Baechle 6 * Copyright (C) 1996, 1999 by Ralf Baechle
7 * Copyright (C) 2011 MIPS Technologies, Inc.
7 */ 8 */
8#include <linux/errno.h> 9#include <linux/errno.h>
9#include <asm/asm.h> 10#include <asm/asm.h>
@@ -33,26 +34,27 @@ LEAF(__strncpy_from_user_asm)
33 bnez v0, .Lfault 34 bnez v0, .Lfault
34 35
35FEXPORT(__strncpy_from_user_nocheck_asm) 36FEXPORT(__strncpy_from_user_nocheck_asm)
36 move v0, zero
37 move v1, a1
38 .set noreorder 37 .set noreorder
391: EX(lbu, t0, (v1), .Lfault) 38 move t0, zero
39 move v1, a1
401: EX(lbu, v0, (v1), .Lfault)
40 PTR_ADDIU v1, 1 41 PTR_ADDIU v1, 1
41 R10KCBARRIER(0(ra)) 42 R10KCBARRIER(0(ra))
42 beqz t0, 2f 43 beqz v0, 2f
43 sb t0, (a0) 44 sb v0, (a0)
44 PTR_ADDIU v0, 1 45 PTR_ADDIU t0, 1
45 .set reorder 46 bne t0, a2, 1b
46 PTR_ADDIU a0, 1 47 PTR_ADDIU a0, 1
47 bne v0, a2, 1b 482: PTR_ADDU v0, a1, t0
482: PTR_ADDU t0, a1, v0 49 xor v0, a1
49 xor t0, a1 50 bltz v0, .Lfault
50 bltz t0, .Lfault 51 nop
51 jr ra # return n 52 jr ra # return n
53 move v0, t0
52 END(__strncpy_from_user_asm) 54 END(__strncpy_from_user_asm)
53 55
54.Lfault: li v0, -EFAULT 56.Lfault: jr ra
55 jr ra 57 li v0, -EFAULT
56 58
57 .section __ex_table,"a" 59 .section __ex_table,"a"
58 PTR 1b, .Lfault 60 PTR 1b, .Lfault
diff --git a/arch/mips/lib/strnlen_user.S b/arch/mips/lib/strnlen_user.S
index beea03c8c0ce..fcacea5e61f1 100644
--- a/arch/mips/lib/strnlen_user.S
+++ b/arch/mips/lib/strnlen_user.S
@@ -35,7 +35,7 @@ FEXPORT(__strnlen_user_nocheck_asm)
35 PTR_ADDU a1, a0 # stop pointer 35 PTR_ADDU a1, a0 # stop pointer
361: beq v0, a1, 1f # limit reached? 361: beq v0, a1, 1f # limit reached?
37 EX(lb, t0, (v0), .Lfault) 37 EX(lb, t0, (v0), .Lfault)
38 PTR_ADDU v0, 1 38 PTR_ADDIU v0, 1
39 bnez t0, 1b 39 bnez t0, 1b
401: PTR_SUBU v0, a0 401: PTR_SUBU v0, a0
41 jr ra 41 jr ra
diff --git a/arch/mips/math-emu/cp1emu.c b/arch/mips/math-emu/cp1emu.c
index afb5a0bcf7a5..f03771900813 100644
--- a/arch/mips/math-emu/cp1emu.c
+++ b/arch/mips/math-emu/cp1emu.c
@@ -45,6 +45,7 @@
45#include <asm/signal.h> 45#include <asm/signal.h>
46#include <asm/mipsregs.h> 46#include <asm/mipsregs.h>
47#include <asm/fpu_emulator.h> 47#include <asm/fpu_emulator.h>
48#include <asm/fpu.h>
48#include <asm/uaccess.h> 49#include <asm/uaccess.h>
49#include <asm/branch.h> 50#include <asm/branch.h>
50 51
@@ -81,6 +82,11 @@ DEFINE_PER_CPU(struct mips_fpu_emulator_stats, fpuemustats);
81/* Determine rounding mode from the RM bits of the FCSR */ 82/* Determine rounding mode from the RM bits of the FCSR */
82#define modeindex(v) ((v) & FPU_CSR_RM) 83#define modeindex(v) ((v) & FPU_CSR_RM)
83 84
85/* microMIPS bitfields */
86#define MM_POOL32A_MINOR_MASK 0x3f
87#define MM_POOL32A_MINOR_SHIFT 0x6
88#define MM_MIPS32_COND_FC 0x30
89
84/* Convert Mips rounding mode (0..3) to IEEE library modes. */ 90/* Convert Mips rounding mode (0..3) to IEEE library modes. */
85static const unsigned char ieee_rm[4] = { 91static const unsigned char ieee_rm[4] = {
86 [FPU_CSR_RN] = IEEE754_RN, 92 [FPU_CSR_RN] = IEEE754_RN,
@@ -110,6 +116,556 @@ static const unsigned int fpucondbit[8] = {
110}; 116};
111#endif 117#endif
112 118
119/* (microMIPS) Convert 16-bit register encoding to 32-bit register encoding. */
120static const unsigned int reg16to32map[8] = {16, 17, 2, 3, 4, 5, 6, 7};
121
122/* (microMIPS) Convert certain microMIPS instructions to MIPS32 format. */
123static const int sd_format[] = {16, 17, 0, 0, 0, 0, 0, 0};
124static const int sdps_format[] = {16, 17, 22, 0, 0, 0, 0, 0};
125static const int dwl_format[] = {17, 20, 21, 0, 0, 0, 0, 0};
126static const int swl_format[] = {16, 20, 21, 0, 0, 0, 0, 0};
127
128/*
129 * This functions translates a 32-bit microMIPS instruction
130 * into a 32-bit MIPS32 instruction. Returns 0 on success
131 * and SIGILL otherwise.
132 */
133static int microMIPS32_to_MIPS32(union mips_instruction *insn_ptr)
134{
135 union mips_instruction insn = *insn_ptr;
136 union mips_instruction mips32_insn = insn;
137 int func, fmt, op;
138
139 switch (insn.mm_i_format.opcode) {
140 case mm_ldc132_op:
141 mips32_insn.mm_i_format.opcode = ldc1_op;
142 mips32_insn.mm_i_format.rt = insn.mm_i_format.rs;
143 mips32_insn.mm_i_format.rs = insn.mm_i_format.rt;
144 break;
145 case mm_lwc132_op:
146 mips32_insn.mm_i_format.opcode = lwc1_op;
147 mips32_insn.mm_i_format.rt = insn.mm_i_format.rs;
148 mips32_insn.mm_i_format.rs = insn.mm_i_format.rt;
149 break;
150 case mm_sdc132_op:
151 mips32_insn.mm_i_format.opcode = sdc1_op;
152 mips32_insn.mm_i_format.rt = insn.mm_i_format.rs;
153 mips32_insn.mm_i_format.rs = insn.mm_i_format.rt;
154 break;
155 case mm_swc132_op:
156 mips32_insn.mm_i_format.opcode = swc1_op;
157 mips32_insn.mm_i_format.rt = insn.mm_i_format.rs;
158 mips32_insn.mm_i_format.rs = insn.mm_i_format.rt;
159 break;
160 case mm_pool32i_op:
161 /* NOTE: offset is << by 1 if in microMIPS mode. */
162 if ((insn.mm_i_format.rt == mm_bc1f_op) ||
163 (insn.mm_i_format.rt == mm_bc1t_op)) {
164 mips32_insn.fb_format.opcode = cop1_op;
165 mips32_insn.fb_format.bc = bc_op;
166 mips32_insn.fb_format.flag =
167 (insn.mm_i_format.rt == mm_bc1t_op) ? 1 : 0;
168 } else
169 return SIGILL;
170 break;
171 case mm_pool32f_op:
172 switch (insn.mm_fp0_format.func) {
173 case mm_32f_01_op:
174 case mm_32f_11_op:
175 case mm_32f_02_op:
176 case mm_32f_12_op:
177 case mm_32f_41_op:
178 case mm_32f_51_op:
179 case mm_32f_42_op:
180 case mm_32f_52_op:
181 op = insn.mm_fp0_format.func;
182 if (op == mm_32f_01_op)
183 func = madd_s_op;
184 else if (op == mm_32f_11_op)
185 func = madd_d_op;
186 else if (op == mm_32f_02_op)
187 func = nmadd_s_op;
188 else if (op == mm_32f_12_op)
189 func = nmadd_d_op;
190 else if (op == mm_32f_41_op)
191 func = msub_s_op;
192 else if (op == mm_32f_51_op)
193 func = msub_d_op;
194 else if (op == mm_32f_42_op)
195 func = nmsub_s_op;
196 else
197 func = nmsub_d_op;
198 mips32_insn.fp6_format.opcode = cop1x_op;
199 mips32_insn.fp6_format.fr = insn.mm_fp6_format.fr;
200 mips32_insn.fp6_format.ft = insn.mm_fp6_format.ft;
201 mips32_insn.fp6_format.fs = insn.mm_fp6_format.fs;
202 mips32_insn.fp6_format.fd = insn.mm_fp6_format.fd;
203 mips32_insn.fp6_format.func = func;
204 break;
205 case mm_32f_10_op:
206 func = -1; /* Invalid */
207 op = insn.mm_fp5_format.op & 0x7;
208 if (op == mm_ldxc1_op)
209 func = ldxc1_op;
210 else if (op == mm_sdxc1_op)
211 func = sdxc1_op;
212 else if (op == mm_lwxc1_op)
213 func = lwxc1_op;
214 else if (op == mm_swxc1_op)
215 func = swxc1_op;
216
217 if (func != -1) {
218 mips32_insn.r_format.opcode = cop1x_op;
219 mips32_insn.r_format.rs =
220 insn.mm_fp5_format.base;
221 mips32_insn.r_format.rt =
222 insn.mm_fp5_format.index;
223 mips32_insn.r_format.rd = 0;
224 mips32_insn.r_format.re = insn.mm_fp5_format.fd;
225 mips32_insn.r_format.func = func;
226 } else
227 return SIGILL;
228 break;
229 case mm_32f_40_op:
230 op = -1; /* Invalid */
231 if (insn.mm_fp2_format.op == mm_fmovt_op)
232 op = 1;
233 else if (insn.mm_fp2_format.op == mm_fmovf_op)
234 op = 0;
235 if (op != -1) {
236 mips32_insn.fp0_format.opcode = cop1_op;
237 mips32_insn.fp0_format.fmt =
238 sdps_format[insn.mm_fp2_format.fmt];
239 mips32_insn.fp0_format.ft =
240 (insn.mm_fp2_format.cc<<2) + op;
241 mips32_insn.fp0_format.fs =
242 insn.mm_fp2_format.fs;
243 mips32_insn.fp0_format.fd =
244 insn.mm_fp2_format.fd;
245 mips32_insn.fp0_format.func = fmovc_op;
246 } else
247 return SIGILL;
248 break;
249 case mm_32f_60_op:
250 func = -1; /* Invalid */
251 if (insn.mm_fp0_format.op == mm_fadd_op)
252 func = fadd_op;
253 else if (insn.mm_fp0_format.op == mm_fsub_op)
254 func = fsub_op;
255 else if (insn.mm_fp0_format.op == mm_fmul_op)
256 func = fmul_op;
257 else if (insn.mm_fp0_format.op == mm_fdiv_op)
258 func = fdiv_op;
259 if (func != -1) {
260 mips32_insn.fp0_format.opcode = cop1_op;
261 mips32_insn.fp0_format.fmt =
262 sdps_format[insn.mm_fp0_format.fmt];
263 mips32_insn.fp0_format.ft =
264 insn.mm_fp0_format.ft;
265 mips32_insn.fp0_format.fs =
266 insn.mm_fp0_format.fs;
267 mips32_insn.fp0_format.fd =
268 insn.mm_fp0_format.fd;
269 mips32_insn.fp0_format.func = func;
270 } else
271 return SIGILL;
272 break;
273 case mm_32f_70_op:
274 func = -1; /* Invalid */
275 if (insn.mm_fp0_format.op == mm_fmovn_op)
276 func = fmovn_op;
277 else if (insn.mm_fp0_format.op == mm_fmovz_op)
278 func = fmovz_op;
279 if (func != -1) {
280 mips32_insn.fp0_format.opcode = cop1_op;
281 mips32_insn.fp0_format.fmt =
282 sdps_format[insn.mm_fp0_format.fmt];
283 mips32_insn.fp0_format.ft =
284 insn.mm_fp0_format.ft;
285 mips32_insn.fp0_format.fs =
286 insn.mm_fp0_format.fs;
287 mips32_insn.fp0_format.fd =
288 insn.mm_fp0_format.fd;
289 mips32_insn.fp0_format.func = func;
290 } else
291 return SIGILL;
292 break;
293 case mm_32f_73_op: /* POOL32FXF */
294 switch (insn.mm_fp1_format.op) {
295 case mm_movf0_op:
296 case mm_movf1_op:
297 case mm_movt0_op:
298 case mm_movt1_op:
299 if ((insn.mm_fp1_format.op & 0x7f) ==
300 mm_movf0_op)
301 op = 0;
302 else
303 op = 1;
304 mips32_insn.r_format.opcode = spec_op;
305 mips32_insn.r_format.rs = insn.mm_fp4_format.fs;
306 mips32_insn.r_format.rt =
307 (insn.mm_fp4_format.cc << 2) + op;
308 mips32_insn.r_format.rd = insn.mm_fp4_format.rt;
309 mips32_insn.r_format.re = 0;
310 mips32_insn.r_format.func = movc_op;
311 break;
312 case mm_fcvtd0_op:
313 case mm_fcvtd1_op:
314 case mm_fcvts0_op:
315 case mm_fcvts1_op:
316 if ((insn.mm_fp1_format.op & 0x7f) ==
317 mm_fcvtd0_op) {
318 func = fcvtd_op;
319 fmt = swl_format[insn.mm_fp3_format.fmt];
320 } else {
321 func = fcvts_op;
322 fmt = dwl_format[insn.mm_fp3_format.fmt];
323 }
324 mips32_insn.fp0_format.opcode = cop1_op;
325 mips32_insn.fp0_format.fmt = fmt;
326 mips32_insn.fp0_format.ft = 0;
327 mips32_insn.fp0_format.fs =
328 insn.mm_fp3_format.fs;
329 mips32_insn.fp0_format.fd =
330 insn.mm_fp3_format.rt;
331 mips32_insn.fp0_format.func = func;
332 break;
333 case mm_fmov0_op:
334 case mm_fmov1_op:
335 case mm_fabs0_op:
336 case mm_fabs1_op:
337 case mm_fneg0_op:
338 case mm_fneg1_op:
339 if ((insn.mm_fp1_format.op & 0x7f) ==
340 mm_fmov0_op)
341 func = fmov_op;
342 else if ((insn.mm_fp1_format.op & 0x7f) ==
343 mm_fabs0_op)
344 func = fabs_op;
345 else
346 func = fneg_op;
347 mips32_insn.fp0_format.opcode = cop1_op;
348 mips32_insn.fp0_format.fmt =
349 sdps_format[insn.mm_fp3_format.fmt];
350 mips32_insn.fp0_format.ft = 0;
351 mips32_insn.fp0_format.fs =
352 insn.mm_fp3_format.fs;
353 mips32_insn.fp0_format.fd =
354 insn.mm_fp3_format.rt;
355 mips32_insn.fp0_format.func = func;
356 break;
357 case mm_ffloorl_op:
358 case mm_ffloorw_op:
359 case mm_fceill_op:
360 case mm_fceilw_op:
361 case mm_ftruncl_op:
362 case mm_ftruncw_op:
363 case mm_froundl_op:
364 case mm_froundw_op:
365 case mm_fcvtl_op:
366 case mm_fcvtw_op:
367 if (insn.mm_fp1_format.op == mm_ffloorl_op)
368 func = ffloorl_op;
369 else if (insn.mm_fp1_format.op == mm_ffloorw_op)
370 func = ffloor_op;
371 else if (insn.mm_fp1_format.op == mm_fceill_op)
372 func = fceill_op;
373 else if (insn.mm_fp1_format.op == mm_fceilw_op)
374 func = fceil_op;
375 else if (insn.mm_fp1_format.op == mm_ftruncl_op)
376 func = ftruncl_op;
377 else if (insn.mm_fp1_format.op == mm_ftruncw_op)
378 func = ftrunc_op;
379 else if (insn.mm_fp1_format.op == mm_froundl_op)
380 func = froundl_op;
381 else if (insn.mm_fp1_format.op == mm_froundw_op)
382 func = fround_op;
383 else if (insn.mm_fp1_format.op == mm_fcvtl_op)
384 func = fcvtl_op;
385 else
386 func = fcvtw_op;
387 mips32_insn.fp0_format.opcode = cop1_op;
388 mips32_insn.fp0_format.fmt =
389 sd_format[insn.mm_fp1_format.fmt];
390 mips32_insn.fp0_format.ft = 0;
391 mips32_insn.fp0_format.fs =
392 insn.mm_fp1_format.fs;
393 mips32_insn.fp0_format.fd =
394 insn.mm_fp1_format.rt;
395 mips32_insn.fp0_format.func = func;
396 break;
397 case mm_frsqrt_op:
398 case mm_fsqrt_op:
399 case mm_frecip_op:
400 if (insn.mm_fp1_format.op == mm_frsqrt_op)
401 func = frsqrt_op;
402 else if (insn.mm_fp1_format.op == mm_fsqrt_op)
403 func = fsqrt_op;
404 else
405 func = frecip_op;
406 mips32_insn.fp0_format.opcode = cop1_op;
407 mips32_insn.fp0_format.fmt =
408 sdps_format[insn.mm_fp1_format.fmt];
409 mips32_insn.fp0_format.ft = 0;
410 mips32_insn.fp0_format.fs =
411 insn.mm_fp1_format.fs;
412 mips32_insn.fp0_format.fd =
413 insn.mm_fp1_format.rt;
414 mips32_insn.fp0_format.func = func;
415 break;
416 case mm_mfc1_op:
417 case mm_mtc1_op:
418 case mm_cfc1_op:
419 case mm_ctc1_op:
420 if (insn.mm_fp1_format.op == mm_mfc1_op)
421 op = mfc_op;
422 else if (insn.mm_fp1_format.op == mm_mtc1_op)
423 op = mtc_op;
424 else if (insn.mm_fp1_format.op == mm_cfc1_op)
425 op = cfc_op;
426 else
427 op = ctc_op;
428 mips32_insn.fp1_format.opcode = cop1_op;
429 mips32_insn.fp1_format.op = op;
430 mips32_insn.fp1_format.rt =
431 insn.mm_fp1_format.rt;
432 mips32_insn.fp1_format.fs =
433 insn.mm_fp1_format.fs;
434 mips32_insn.fp1_format.fd = 0;
435 mips32_insn.fp1_format.func = 0;
436 break;
437 default:
438 return SIGILL;
439 break;
440 }
441 break;
442 case mm_32f_74_op: /* c.cond.fmt */
443 mips32_insn.fp0_format.opcode = cop1_op;
444 mips32_insn.fp0_format.fmt =
445 sdps_format[insn.mm_fp4_format.fmt];
446 mips32_insn.fp0_format.ft = insn.mm_fp4_format.rt;
447 mips32_insn.fp0_format.fs = insn.mm_fp4_format.fs;
448 mips32_insn.fp0_format.fd = insn.mm_fp4_format.cc << 2;
449 mips32_insn.fp0_format.func =
450 insn.mm_fp4_format.cond | MM_MIPS32_COND_FC;
451 break;
452 default:
453 return SIGILL;
454 break;
455 }
456 break;
457 default:
458 return SIGILL;
459 break;
460 }
461
462 *insn_ptr = mips32_insn;
463 return 0;
464}
465
466int mm_isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
467 unsigned long *contpc)
468{
469 union mips_instruction insn = (union mips_instruction)dec_insn.insn;
470 int bc_false = 0;
471 unsigned int fcr31;
472 unsigned int bit;
473
474 switch (insn.mm_i_format.opcode) {
475 case mm_pool32a_op:
476 if ((insn.mm_i_format.simmediate & MM_POOL32A_MINOR_MASK) ==
477 mm_pool32axf_op) {
478 switch (insn.mm_i_format.simmediate >>
479 MM_POOL32A_MINOR_SHIFT) {
480 case mm_jalr_op:
481 case mm_jalrhb_op:
482 case mm_jalrs_op:
483 case mm_jalrshb_op:
484 if (insn.mm_i_format.rt != 0) /* Not mm_jr */
485 regs->regs[insn.mm_i_format.rt] =
486 regs->cp0_epc +
487 dec_insn.pc_inc +
488 dec_insn.next_pc_inc;
489 *contpc = regs->regs[insn.mm_i_format.rs];
490 return 1;
491 break;
492 }
493 }
494 break;
495 case mm_pool32i_op:
496 switch (insn.mm_i_format.rt) {
497 case mm_bltzals_op:
498 case mm_bltzal_op:
499 regs->regs[31] = regs->cp0_epc +
500 dec_insn.pc_inc +
501 dec_insn.next_pc_inc;
502 /* Fall through */
503 case mm_bltz_op:
504 if ((long)regs->regs[insn.mm_i_format.rs] < 0)
505 *contpc = regs->cp0_epc +
506 dec_insn.pc_inc +
507 (insn.mm_i_format.simmediate << 1);
508 else
509 *contpc = regs->cp0_epc +
510 dec_insn.pc_inc +
511 dec_insn.next_pc_inc;
512 return 1;
513 break;
514 case mm_bgezals_op:
515 case mm_bgezal_op:
516 regs->regs[31] = regs->cp0_epc +
517 dec_insn.pc_inc +
518 dec_insn.next_pc_inc;
519 /* Fall through */
520 case mm_bgez_op:
521 if ((long)regs->regs[insn.mm_i_format.rs] >= 0)
522 *contpc = regs->cp0_epc +
523 dec_insn.pc_inc +
524 (insn.mm_i_format.simmediate << 1);
525 else
526 *contpc = regs->cp0_epc +
527 dec_insn.pc_inc +
528 dec_insn.next_pc_inc;
529 return 1;
530 break;
531 case mm_blez_op:
532 if ((long)regs->regs[insn.mm_i_format.rs] <= 0)
533 *contpc = regs->cp0_epc +
534 dec_insn.pc_inc +
535 (insn.mm_i_format.simmediate << 1);
536 else
537 *contpc = regs->cp0_epc +
538 dec_insn.pc_inc +
539 dec_insn.next_pc_inc;
540 return 1;
541 break;
542 case mm_bgtz_op:
543 if ((long)regs->regs[insn.mm_i_format.rs] <= 0)
544 *contpc = regs->cp0_epc +
545 dec_insn.pc_inc +
546 (insn.mm_i_format.simmediate << 1);
547 else
548 *contpc = regs->cp0_epc +
549 dec_insn.pc_inc +
550 dec_insn.next_pc_inc;
551 return 1;
552 break;
553 case mm_bc2f_op:
554 case mm_bc1f_op:
555 bc_false = 1;
556 /* Fall through */
557 case mm_bc2t_op:
558 case mm_bc1t_op:
559 preempt_disable();
560 if (is_fpu_owner())
561 asm volatile("cfc1\t%0,$31" : "=r" (fcr31));
562 else
563 fcr31 = current->thread.fpu.fcr31;
564 preempt_enable();
565
566 if (bc_false)
567 fcr31 = ~fcr31;
568
569 bit = (insn.mm_i_format.rs >> 2);
570 bit += (bit != 0);
571 bit += 23;
572 if (fcr31 & (1 << bit))
573 *contpc = regs->cp0_epc +
574 dec_insn.pc_inc +
575 (insn.mm_i_format.simmediate << 1);
576 else
577 *contpc = regs->cp0_epc +
578 dec_insn.pc_inc + dec_insn.next_pc_inc;
579 return 1;
580 break;
581 }
582 break;
583 case mm_pool16c_op:
584 switch (insn.mm_i_format.rt) {
585 case mm_jalr16_op:
586 case mm_jalrs16_op:
587 regs->regs[31] = regs->cp0_epc +
588 dec_insn.pc_inc + dec_insn.next_pc_inc;
589 /* Fall through */
590 case mm_jr16_op:
591 *contpc = regs->regs[insn.mm_i_format.rs];
592 return 1;
593 break;
594 }
595 break;
596 case mm_beqz16_op:
597 if ((long)regs->regs[reg16to32map[insn.mm_b1_format.rs]] == 0)
598 *contpc = regs->cp0_epc +
599 dec_insn.pc_inc +
600 (insn.mm_b1_format.simmediate << 1);
601 else
602 *contpc = regs->cp0_epc +
603 dec_insn.pc_inc + dec_insn.next_pc_inc;
604 return 1;
605 break;
606 case mm_bnez16_op:
607 if ((long)regs->regs[reg16to32map[insn.mm_b1_format.rs]] != 0)
608 *contpc = regs->cp0_epc +
609 dec_insn.pc_inc +
610 (insn.mm_b1_format.simmediate << 1);
611 else
612 *contpc = regs->cp0_epc +
613 dec_insn.pc_inc + dec_insn.next_pc_inc;
614 return 1;
615 break;
616 case mm_b16_op:
617 *contpc = regs->cp0_epc + dec_insn.pc_inc +
618 (insn.mm_b0_format.simmediate << 1);
619 return 1;
620 break;
621 case mm_beq32_op:
622 if (regs->regs[insn.mm_i_format.rs] ==
623 regs->regs[insn.mm_i_format.rt])
624 *contpc = regs->cp0_epc +
625 dec_insn.pc_inc +
626 (insn.mm_i_format.simmediate << 1);
627 else
628 *contpc = regs->cp0_epc +
629 dec_insn.pc_inc +
630 dec_insn.next_pc_inc;
631 return 1;
632 break;
633 case mm_bne32_op:
634 if (regs->regs[insn.mm_i_format.rs] !=
635 regs->regs[insn.mm_i_format.rt])
636 *contpc = regs->cp0_epc +
637 dec_insn.pc_inc +
638 (insn.mm_i_format.simmediate << 1);
639 else
640 *contpc = regs->cp0_epc +
641 dec_insn.pc_inc + dec_insn.next_pc_inc;
642 return 1;
643 break;
644 case mm_jalx32_op:
645 regs->regs[31] = regs->cp0_epc +
646 dec_insn.pc_inc + dec_insn.next_pc_inc;
647 *contpc = regs->cp0_epc + dec_insn.pc_inc;
648 *contpc >>= 28;
649 *contpc <<= 28;
650 *contpc |= (insn.j_format.target << 2);
651 return 1;
652 break;
653 case mm_jals32_op:
654 case mm_jal32_op:
655 regs->regs[31] = regs->cp0_epc +
656 dec_insn.pc_inc + dec_insn.next_pc_inc;
657 /* Fall through */
658 case mm_j32_op:
659 *contpc = regs->cp0_epc + dec_insn.pc_inc;
660 *contpc >>= 27;
661 *contpc <<= 27;
662 *contpc |= (insn.j_format.target << 1);
663 set_isa16_mode(*contpc);
664 return 1;
665 break;
666 }
667 return 0;
668}
113 669
114/* 670/*
115 * Redundant with logic already in kernel/branch.c, 671 * Redundant with logic already in kernel/branch.c,
@@ -117,53 +673,177 @@ static const unsigned int fpucondbit[8] = {
117 * a single subroutine should be used across both 673 * a single subroutine should be used across both
118 * modules. 674 * modules.
119 */ 675 */
120static int isBranchInstr(mips_instruction * i) 676static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
677 unsigned long *contpc)
121{ 678{
122 switch (MIPSInst_OPCODE(*i)) { 679 union mips_instruction insn = (union mips_instruction)dec_insn.insn;
680 unsigned int fcr31;
681 unsigned int bit = 0;
682
683 switch (insn.i_format.opcode) {
123 case spec_op: 684 case spec_op:
124 switch (MIPSInst_FUNC(*i)) { 685 switch (insn.r_format.func) {
125 case jalr_op: 686 case jalr_op:
687 regs->regs[insn.r_format.rd] =
688 regs->cp0_epc + dec_insn.pc_inc +
689 dec_insn.next_pc_inc;
690 /* Fall through */
126 case jr_op: 691 case jr_op:
692 *contpc = regs->regs[insn.r_format.rs];
127 return 1; 693 return 1;
694 break;
128 } 695 }
129 break; 696 break;
130
131 case bcond_op: 697 case bcond_op:
132 switch (MIPSInst_RT(*i)) { 698 switch (insn.i_format.rt) {
699 case bltzal_op:
700 case bltzall_op:
701 regs->regs[31] = regs->cp0_epc +
702 dec_insn.pc_inc +
703 dec_insn.next_pc_inc;
704 /* Fall through */
133 case bltz_op: 705 case bltz_op:
134 case bgez_op:
135 case bltzl_op: 706 case bltzl_op:
136 case bgezl_op: 707 if ((long)regs->regs[insn.i_format.rs] < 0)
137 case bltzal_op: 708 *contpc = regs->cp0_epc +
709 dec_insn.pc_inc +
710 (insn.i_format.simmediate << 2);
711 else
712 *contpc = regs->cp0_epc +
713 dec_insn.pc_inc +
714 dec_insn.next_pc_inc;
715 return 1;
716 break;
138 case bgezal_op: 717 case bgezal_op:
139 case bltzall_op:
140 case bgezall_op: 718 case bgezall_op:
719 regs->regs[31] = regs->cp0_epc +
720 dec_insn.pc_inc +
721 dec_insn.next_pc_inc;
722 /* Fall through */
723 case bgez_op:
724 case bgezl_op:
725 if ((long)regs->regs[insn.i_format.rs] >= 0)
726 *contpc = regs->cp0_epc +
727 dec_insn.pc_inc +
728 (insn.i_format.simmediate << 2);
729 else
730 *contpc = regs->cp0_epc +
731 dec_insn.pc_inc +
732 dec_insn.next_pc_inc;
141 return 1; 733 return 1;
734 break;
142 } 735 }
143 break; 736 break;
144
145 case j_op:
146 case jal_op:
147 case jalx_op: 737 case jalx_op:
738 set_isa16_mode(bit);
739 case jal_op:
740 regs->regs[31] = regs->cp0_epc +
741 dec_insn.pc_inc +
742 dec_insn.next_pc_inc;
743 /* Fall through */
744 case j_op:
745 *contpc = regs->cp0_epc + dec_insn.pc_inc;
746 *contpc >>= 28;
747 *contpc <<= 28;
748 *contpc |= (insn.j_format.target << 2);
749 /* Set microMIPS mode bit: XOR for jalx. */
750 *contpc ^= bit;
751 return 1;
752 break;
148 case beq_op: 753 case beq_op:
149 case bne_op:
150 case blez_op:
151 case bgtz_op:
152 case beql_op: 754 case beql_op:
755 if (regs->regs[insn.i_format.rs] ==
756 regs->regs[insn.i_format.rt])
757 *contpc = regs->cp0_epc +
758 dec_insn.pc_inc +
759 (insn.i_format.simmediate << 2);
760 else
761 *contpc = regs->cp0_epc +
762 dec_insn.pc_inc +
763 dec_insn.next_pc_inc;
764 return 1;
765 break;
766 case bne_op:
153 case bnel_op: 767 case bnel_op:
768 if (regs->regs[insn.i_format.rs] !=
769 regs->regs[insn.i_format.rt])
770 *contpc = regs->cp0_epc +
771 dec_insn.pc_inc +
772 (insn.i_format.simmediate << 2);
773 else
774 *contpc = regs->cp0_epc +
775 dec_insn.pc_inc +
776 dec_insn.next_pc_inc;
777 return 1;
778 break;
779 case blez_op:
154 case blezl_op: 780 case blezl_op:
781 if ((long)regs->regs[insn.i_format.rs] <= 0)
782 *contpc = regs->cp0_epc +
783 dec_insn.pc_inc +
784 (insn.i_format.simmediate << 2);
785 else
786 *contpc = regs->cp0_epc +
787 dec_insn.pc_inc +
788 dec_insn.next_pc_inc;
789 return 1;
790 break;
791 case bgtz_op:
155 case bgtzl_op: 792 case bgtzl_op:
793 if ((long)regs->regs[insn.i_format.rs] > 0)
794 *contpc = regs->cp0_epc +
795 dec_insn.pc_inc +
796 (insn.i_format.simmediate << 2);
797 else
798 *contpc = regs->cp0_epc +
799 dec_insn.pc_inc +
800 dec_insn.next_pc_inc;
156 return 1; 801 return 1;
157 802 break;
158 case cop0_op: 803 case cop0_op:
159 case cop1_op: 804 case cop1_op:
160 case cop2_op: 805 case cop2_op:
161 case cop1x_op: 806 case cop1x_op:
162 if (MIPSInst_RS(*i) == bc_op) 807 if (insn.i_format.rs == bc_op) {
163 return 1; 808 preempt_disable();
809 if (is_fpu_owner())
810 asm volatile("cfc1\t%0,$31" : "=r" (fcr31));
811 else
812 fcr31 = current->thread.fpu.fcr31;
813 preempt_enable();
814
815 bit = (insn.i_format.rt >> 2);
816 bit += (bit != 0);
817 bit += 23;
818 switch (insn.i_format.rt & 3) {
819 case 0: /* bc1f */
820 case 2: /* bc1fl */
821 if (~fcr31 & (1 << bit))
822 *contpc = regs->cp0_epc +
823 dec_insn.pc_inc +
824 (insn.i_format.simmediate << 2);
825 else
826 *contpc = regs->cp0_epc +
827 dec_insn.pc_inc +
828 dec_insn.next_pc_inc;
829 return 1;
830 break;
831 case 1: /* bc1t */
832 case 3: /* bc1tl */
833 if (fcr31 & (1 << bit))
834 *contpc = regs->cp0_epc +
835 dec_insn.pc_inc +
836 (insn.i_format.simmediate << 2);
837 else
838 *contpc = regs->cp0_epc +
839 dec_insn.pc_inc +
840 dec_insn.next_pc_inc;
841 return 1;
842 break;
843 }
844 }
164 break; 845 break;
165 } 846 }
166
167 return 0; 847 return 0;
168} 848}
169 849
@@ -210,26 +890,23 @@ static inline int cop1_64bit(struct pt_regs *xcp)
210 */ 890 */
211 891
212static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx, 892static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
213 void *__user *fault_addr) 893 struct mm_decoded_insn dec_insn, void *__user *fault_addr)
214{ 894{
215 mips_instruction ir; 895 mips_instruction ir;
216 unsigned long emulpc, contpc; 896 unsigned long contpc = xcp->cp0_epc + dec_insn.pc_inc;
217 unsigned int cond; 897 unsigned int cond;
218 898 int pc_inc;
219 if (!access_ok(VERIFY_READ, xcp->cp0_epc, sizeof(mips_instruction))) {
220 MIPS_FPU_EMU_INC_STATS(errors);
221 *fault_addr = (mips_instruction __user *)xcp->cp0_epc;
222 return SIGBUS;
223 }
224 if (__get_user(ir, (mips_instruction __user *) xcp->cp0_epc)) {
225 MIPS_FPU_EMU_INC_STATS(errors);
226 *fault_addr = (mips_instruction __user *)xcp->cp0_epc;
227 return SIGSEGV;
228 }
229 899
230 /* XXX NEC Vr54xx bug workaround */ 900 /* XXX NEC Vr54xx bug workaround */
231 if ((xcp->cp0_cause & CAUSEF_BD) && !isBranchInstr(&ir)) 901 if (xcp->cp0_cause & CAUSEF_BD) {
232 xcp->cp0_cause &= ~CAUSEF_BD; 902 if (dec_insn.micro_mips_mode) {
903 if (!mm_isBranchInstr(xcp, dec_insn, &contpc))
904 xcp->cp0_cause &= ~CAUSEF_BD;
905 } else {
906 if (!isBranchInstr(xcp, dec_insn, &contpc))
907 xcp->cp0_cause &= ~CAUSEF_BD;
908 }
909 }
233 910
234 if (xcp->cp0_cause & CAUSEF_BD) { 911 if (xcp->cp0_cause & CAUSEF_BD) {
235 /* 912 /*
@@ -244,32 +921,33 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
244 * Linux MIPS branch emulator operates on context, updating the 921 * Linux MIPS branch emulator operates on context, updating the
245 * cp0_epc. 922 * cp0_epc.
246 */ 923 */
247 emulpc = xcp->cp0_epc + 4; /* Snapshot emulation target */ 924 ir = dec_insn.next_insn; /* process delay slot instr */
925 pc_inc = dec_insn.next_pc_inc;
926 } else {
927 ir = dec_insn.insn; /* process current instr */
928 pc_inc = dec_insn.pc_inc;
929 }
248 930
249 if (__compute_return_epc(xcp) < 0) { 931 /*
250#ifdef CP1DBG 932 * Since microMIPS FPU instructios are a subset of MIPS32 FPU
251 printk("failed to emulate branch at %p\n", 933 * instructions, we want to convert microMIPS FPU instructions
252 (void *) (xcp->cp0_epc)); 934 * into MIPS32 instructions so that we could reuse all of the
253#endif 935 * FPU emulation code.
936 *
937 * NOTE: We cannot do this for branch instructions since they
938 * are not a subset. Example: Cannot emulate a 16-bit
939 * aligned target address with a MIPS32 instruction.
940 */
941 if (dec_insn.micro_mips_mode) {
942 /*
943 * If next instruction is a 16-bit instruction, then it
944 * it cannot be a FPU instruction. This could happen
945 * since we can be called for non-FPU instructions.
946 */
947 if ((pc_inc == 2) ||
948 (microMIPS32_to_MIPS32((union mips_instruction *)&ir)
949 == SIGILL))
254 return SIGILL; 950 return SIGILL;
255 }
256 if (!access_ok(VERIFY_READ, emulpc, sizeof(mips_instruction))) {
257 MIPS_FPU_EMU_INC_STATS(errors);
258 *fault_addr = (mips_instruction __user *)emulpc;
259 return SIGBUS;
260 }
261 if (__get_user(ir, (mips_instruction __user *) emulpc)) {
262 MIPS_FPU_EMU_INC_STATS(errors);
263 *fault_addr = (mips_instruction __user *)emulpc;
264 return SIGSEGV;
265 }
266 /* __compute_return_epc() will have updated cp0_epc */
267 contpc = xcp->cp0_epc;
268 /* In order not to confuse ptrace() et al, tweak context */
269 xcp->cp0_epc = emulpc - 4;
270 } else {
271 emulpc = xcp->cp0_epc;
272 contpc = xcp->cp0_epc + 4;
273 } 951 }
274 952
275 emul: 953 emul:
@@ -474,22 +1152,35 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
474 /* branch taken: emulate dslot 1152 /* branch taken: emulate dslot
475 * instruction 1153 * instruction
476 */ 1154 */
477 xcp->cp0_epc += 4; 1155 xcp->cp0_epc += dec_insn.pc_inc;
478 contpc = (xcp->cp0_epc + 1156
479 (MIPSInst_SIMM(ir) << 2)); 1157 contpc = MIPSInst_SIMM(ir);
480 1158 ir = dec_insn.next_insn;
481 if (!access_ok(VERIFY_READ, xcp->cp0_epc, 1159 if (dec_insn.micro_mips_mode) {
482 sizeof(mips_instruction))) { 1160 contpc = (xcp->cp0_epc + (contpc << 1));
483 MIPS_FPU_EMU_INC_STATS(errors); 1161
484 *fault_addr = (mips_instruction __user *)xcp->cp0_epc; 1162 /* If 16-bit instruction, not FPU. */
485 return SIGBUS; 1163 if ((dec_insn.next_pc_inc == 2) ||
486 } 1164 (microMIPS32_to_MIPS32((union mips_instruction *)&ir) == SIGILL)) {
487 if (__get_user(ir, 1165
488 (mips_instruction __user *) xcp->cp0_epc)) { 1166 /*
489 MIPS_FPU_EMU_INC_STATS(errors); 1167 * Since this instruction will
490 *fault_addr = (mips_instruction __user *)xcp->cp0_epc; 1168 * be put on the stack with
491 return SIGSEGV; 1169 * 32-bit words, get around
492 } 1170 * this problem by putting a
1171 * NOP16 as the second one.
1172 */
1173 if (dec_insn.next_pc_inc == 2)
1174 ir = (ir & (~0xffff)) | MM_NOP16;
1175
1176 /*
1177 * Single step the non-CP1
1178 * instruction in the dslot.
1179 */
1180 return mips_dsemul(xcp, ir, contpc);
1181 }
1182 } else
1183 contpc = (xcp->cp0_epc + (contpc << 2));
493 1184
494 switch (MIPSInst_OPCODE(ir)) { 1185 switch (MIPSInst_OPCODE(ir)) {
495 case lwc1_op: 1186 case lwc1_op:
@@ -525,8 +1216,8 @@ static int cop1Emulate(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
525 * branch likely nullifies 1216 * branch likely nullifies
526 * dslot if not taken 1217 * dslot if not taken
527 */ 1218 */
528 xcp->cp0_epc += 4; 1219 xcp->cp0_epc += dec_insn.pc_inc;
529 contpc += 4; 1220 contpc += dec_insn.pc_inc;
530 /* 1221 /*
531 * else continue & execute 1222 * else continue & execute
532 * dslot as normal insn 1223 * dslot as normal insn
@@ -1313,25 +2004,75 @@ int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
1313 int has_fpu, void *__user *fault_addr) 2004 int has_fpu, void *__user *fault_addr)
1314{ 2005{
1315 unsigned long oldepc, prevepc; 2006 unsigned long oldepc, prevepc;
1316 mips_instruction insn; 2007 struct mm_decoded_insn dec_insn;
2008 u16 instr[4];
2009 u16 *instr_ptr;
1317 int sig = 0; 2010 int sig = 0;
1318 2011
1319 oldepc = xcp->cp0_epc; 2012 oldepc = xcp->cp0_epc;
1320 do { 2013 do {
1321 prevepc = xcp->cp0_epc; 2014 prevepc = xcp->cp0_epc;
1322 2015
1323 if (!access_ok(VERIFY_READ, xcp->cp0_epc, sizeof(mips_instruction))) { 2016 if (get_isa16_mode(prevepc) && cpu_has_mmips) {
1324 MIPS_FPU_EMU_INC_STATS(errors); 2017 /*
1325 *fault_addr = (mips_instruction __user *)xcp->cp0_epc; 2018 * Get next 2 microMIPS instructions and convert them
1326 return SIGBUS; 2019 * into 32-bit instructions.
1327 } 2020 */
1328 if (__get_user(insn, (mips_instruction __user *) xcp->cp0_epc)) { 2021 if ((get_user(instr[0], (u16 __user *)msk_isa16_mode(xcp->cp0_epc))) ||
1329 MIPS_FPU_EMU_INC_STATS(errors); 2022 (get_user(instr[1], (u16 __user *)msk_isa16_mode(xcp->cp0_epc + 2))) ||
1330 *fault_addr = (mips_instruction __user *)xcp->cp0_epc; 2023 (get_user(instr[2], (u16 __user *)msk_isa16_mode(xcp->cp0_epc + 4))) ||
1331 return SIGSEGV; 2024 (get_user(instr[3], (u16 __user *)msk_isa16_mode(xcp->cp0_epc + 6)))) {
2025 MIPS_FPU_EMU_INC_STATS(errors);
2026 return SIGBUS;
2027 }
2028 instr_ptr = instr;
2029
2030 /* Get first instruction. */
2031 if (mm_insn_16bit(*instr_ptr)) {
2032 /* Duplicate the half-word. */
2033 dec_insn.insn = (*instr_ptr << 16) |
2034 (*instr_ptr);
2035 /* 16-bit instruction. */
2036 dec_insn.pc_inc = 2;
2037 instr_ptr += 1;
2038 } else {
2039 dec_insn.insn = (*instr_ptr << 16) |
2040 *(instr_ptr+1);
2041 /* 32-bit instruction. */
2042 dec_insn.pc_inc = 4;
2043 instr_ptr += 2;
2044 }
2045 /* Get second instruction. */
2046 if (mm_insn_16bit(*instr_ptr)) {
2047 /* Duplicate the half-word. */
2048 dec_insn.next_insn = (*instr_ptr << 16) |
2049 (*instr_ptr);
2050 /* 16-bit instruction. */
2051 dec_insn.next_pc_inc = 2;
2052 } else {
2053 dec_insn.next_insn = (*instr_ptr << 16) |
2054 *(instr_ptr+1);
2055 /* 32-bit instruction. */
2056 dec_insn.next_pc_inc = 4;
2057 }
2058 dec_insn.micro_mips_mode = 1;
2059 } else {
2060 if ((get_user(dec_insn.insn,
2061 (mips_instruction __user *) xcp->cp0_epc)) ||
2062 (get_user(dec_insn.next_insn,
2063 (mips_instruction __user *)(xcp->cp0_epc+4)))) {
2064 MIPS_FPU_EMU_INC_STATS(errors);
2065 return SIGBUS;
2066 }
2067 dec_insn.pc_inc = 4;
2068 dec_insn.next_pc_inc = 4;
2069 dec_insn.micro_mips_mode = 0;
1332 } 2070 }
1333 if (insn == 0) 2071
1334 xcp->cp0_epc += 4; /* skip nops */ 2072 if ((dec_insn.insn == 0) ||
2073 ((dec_insn.pc_inc == 2) &&
2074 ((dec_insn.insn & 0xffff) == MM_NOP16)))
2075 xcp->cp0_epc += dec_insn.pc_inc; /* Skip NOPs */
1335 else { 2076 else {
1336 /* 2077 /*
1337 * The 'ieee754_csr' is an alias of 2078 * The 'ieee754_csr' is an alias of
@@ -1341,7 +2082,7 @@ int fpu_emulator_cop1Handler(struct pt_regs *xcp, struct mips_fpu_struct *ctx,
1341 */ 2082 */
1342 /* convert to ieee library modes */ 2083 /* convert to ieee library modes */
1343 ieee754_csr.rm = ieee_rm[ieee754_csr.rm]; 2084 ieee754_csr.rm = ieee_rm[ieee754_csr.rm];
1344 sig = cop1Emulate(xcp, ctx, fault_addr); 2085 sig = cop1Emulate(xcp, ctx, dec_insn, fault_addr);
1345 /* revert to mips rounding mode */ 2086 /* revert to mips rounding mode */
1346 ieee754_csr.rm = mips_rm[ieee754_csr.rm]; 2087 ieee754_csr.rm = mips_rm[ieee754_csr.rm];
1347 } 2088 }
diff --git a/arch/mips/math-emu/dsemul.c b/arch/mips/math-emu/dsemul.c
index 384a3b0091ea..7ea622ab8dad 100644
--- a/arch/mips/math-emu/dsemul.c
+++ b/arch/mips/math-emu/dsemul.c
@@ -55,7 +55,9 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
55 struct emuframe __user *fr; 55 struct emuframe __user *fr;
56 int err; 56 int err;
57 57
58 if (ir == 0) { /* a nop is easy */ 58 if ((get_isa16_mode(regs->cp0_epc) && ((ir >> 16) == MM_NOP16)) ||
59 (ir == 0)) {
60 /* NOP is easy */
59 regs->cp0_epc = cpc; 61 regs->cp0_epc = cpc;
60 regs->cp0_cause &= ~CAUSEF_BD; 62 regs->cp0_cause &= ~CAUSEF_BD;
61 return 0; 63 return 0;
@@ -91,8 +93,16 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
91 if (unlikely(!access_ok(VERIFY_WRITE, fr, sizeof(struct emuframe)))) 93 if (unlikely(!access_ok(VERIFY_WRITE, fr, sizeof(struct emuframe))))
92 return SIGBUS; 94 return SIGBUS;
93 95
94 err = __put_user(ir, &fr->emul); 96 if (get_isa16_mode(regs->cp0_epc)) {
95 err |= __put_user((mips_instruction)BREAK_MATH, &fr->badinst); 97 err = __put_user(ir >> 16, (u16 __user *)(&fr->emul));
98 err |= __put_user(ir & 0xffff, (u16 __user *)((long)(&fr->emul) + 2));
99 err |= __put_user(BREAK_MATH >> 16, (u16 __user *)(&fr->badinst));
100 err |= __put_user(BREAK_MATH & 0xffff, (u16 __user *)((long)(&fr->badinst) + 2));
101 } else {
102 err = __put_user(ir, &fr->emul);
103 err |= __put_user((mips_instruction)BREAK_MATH, &fr->badinst);
104 }
105
96 err |= __put_user((mips_instruction)BD_COOKIE, &fr->cookie); 106 err |= __put_user((mips_instruction)BD_COOKIE, &fr->cookie);
97 err |= __put_user(cpc, &fr->epc); 107 err |= __put_user(cpc, &fr->epc);
98 108
@@ -101,7 +111,8 @@ int mips_dsemul(struct pt_regs *regs, mips_instruction ir, unsigned long cpc)
101 return SIGBUS; 111 return SIGBUS;
102 } 112 }
103 113
104 regs->cp0_epc = (unsigned long) &fr->emul; 114 regs->cp0_epc = ((unsigned long) &fr->emul) |
115 get_isa16_mode(regs->cp0_epc);
105 116
106 flush_cache_sigtramp((unsigned long)&fr->badinst); 117 flush_cache_sigtramp((unsigned long)&fr->badinst);
107 118
@@ -114,9 +125,10 @@ int do_dsemulret(struct pt_regs *xcp)
114 unsigned long epc; 125 unsigned long epc;
115 u32 insn, cookie; 126 u32 insn, cookie;
116 int err = 0; 127 int err = 0;
128 u16 instr[2];
117 129
118 fr = (struct emuframe __user *) 130 fr = (struct emuframe __user *)
119 (xcp->cp0_epc - sizeof(mips_instruction)); 131 (msk_isa16_mode(xcp->cp0_epc) - sizeof(mips_instruction));
120 132
121 /* 133 /*
122 * If we can't even access the area, something is very wrong, but we'll 134 * If we can't even access the area, something is very wrong, but we'll
@@ -131,7 +143,13 @@ int do_dsemulret(struct pt_regs *xcp)
131 * - Is the instruction pointed to by the EPC an BREAK_MATH? 143 * - Is the instruction pointed to by the EPC an BREAK_MATH?
132 * - Is the following memory word the BD_COOKIE? 144 * - Is the following memory word the BD_COOKIE?
133 */ 145 */
134 err = __get_user(insn, &fr->badinst); 146 if (get_isa16_mode(xcp->cp0_epc)) {
147 err = __get_user(instr[0], (u16 __user *)(&fr->badinst));
148 err |= __get_user(instr[1], (u16 __user *)((long)(&fr->badinst) + 2));
149 insn = (instr[0] << 16) | instr[1];
150 } else {
151 err = __get_user(insn, &fr->badinst);
152 }
135 err |= __get_user(cookie, &fr->cookie); 153 err |= __get_user(cookie, &fr->cookie);
136 154
137 if (unlikely(err || (insn != BREAK_MATH) || (cookie != BD_COOKIE))) { 155 if (unlikely(err || (insn != BREAK_MATH) || (cookie != BD_COOKIE))) {
diff --git a/arch/mips/mm/Makefile b/arch/mips/mm/Makefile
index 1dcec30ad1c4..e87aae1f2e80 100644
--- a/arch/mips/mm/Makefile
+++ b/arch/mips/mm/Makefile
@@ -4,7 +4,7 @@
4 4
5obj-y += cache.o dma-default.o extable.o fault.o \ 5obj-y += cache.o dma-default.o extable.o fault.o \
6 gup.o init.o mmap.o page.o page-funcs.o \ 6 gup.o init.o mmap.o page.o page-funcs.o \
7 tlbex.o tlbex-fault.o uasm.o 7 tlbex.o tlbex-fault.o uasm-mips.o
8 8
9obj-$(CONFIG_32BIT) += ioremap.o pgtable-32.o 9obj-$(CONFIG_32BIT) += ioremap.o pgtable-32.o
10obj-$(CONFIG_64BIT) += pgtable-64.o 10obj-$(CONFIG_64BIT) += pgtable-64.o
@@ -22,3 +22,5 @@ obj-$(CONFIG_IP22_CPU_SCACHE) += sc-ip22.o
22obj-$(CONFIG_R5000_CPU_SCACHE) += sc-r5k.o 22obj-$(CONFIG_R5000_CPU_SCACHE) += sc-r5k.o
23obj-$(CONFIG_RM7000_CPU_SCACHE) += sc-rm7k.o 23obj-$(CONFIG_RM7000_CPU_SCACHE) += sc-rm7k.o
24obj-$(CONFIG_MIPS_CPU_SCACHE) += sc-mips.o 24obj-$(CONFIG_MIPS_CPU_SCACHE) += sc-mips.o
25
26obj-$(CONFIG_SYS_SUPPORTS_MICROMIPS) += uasm-micromips.o
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 96f4d5a6c21c..21813beec7a5 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -33,6 +33,7 @@
33#include <asm/war.h> 33#include <asm/war.h>
34#include <asm/cacheflush.h> /* for run_uncached() */ 34#include <asm/cacheflush.h> /* for run_uncached() */
35#include <asm/traps.h> 35#include <asm/traps.h>
36#include <asm/dma-coherence.h>
36 37
37/* 38/*
38 * Special Variant of smp_call_function for use by cache functions: 39 * Special Variant of smp_call_function for use by cache functions:
@@ -1379,20 +1380,6 @@ static void __cpuinit coherency_setup(void)
1379 } 1380 }
1380} 1381}
1381 1382
1382#if defined(CONFIG_DMA_NONCOHERENT)
1383
1384static int __cpuinitdata coherentio;
1385
1386static int __init setcoherentio(char *str)
1387{
1388 coherentio = 1;
1389
1390 return 0;
1391}
1392
1393early_param("coherentio", setcoherentio);
1394#endif
1395
1396static void __cpuinit r4k_cache_error_setup(void) 1383static void __cpuinit r4k_cache_error_setup(void)
1397{ 1384{
1398 extern char __weak except_vec2_generic; 1385 extern char __weak except_vec2_generic;
@@ -1474,9 +1461,14 @@ void __cpuinit r4k_cache_init(void)
1474 1461
1475 build_clear_page(); 1462 build_clear_page();
1476 build_copy_page(); 1463 build_copy_page();
1477#if !defined(CONFIG_MIPS_CMP) 1464
1465 /*
1466 * We want to run CMP kernels on core with and without coherent
1467 * caches. Therefore, do not use CONFIG_MIPS_CMP to decide whether
1468 * or not to flush caches.
1469 */
1478 local_r4k___flush_cache_all(NULL); 1470 local_r4k___flush_cache_all(NULL);
1479#endif 1471
1480 coherency_setup(); 1472 coherency_setup();
1481 board_cache_error_setup = r4k_cache_error_setup; 1473 board_cache_error_setup = r4k_cache_error_setup;
1482} 1474}
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index f9ef83829a52..caf92ecb37d6 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -22,6 +22,26 @@
22 22
23#include <dma-coherence.h> 23#include <dma-coherence.h>
24 24
25int coherentio = 0; /* User defined DMA coherency from command line. */
26EXPORT_SYMBOL_GPL(coherentio);
27int hw_coherentio = 0; /* Actual hardware supported DMA coherency setting. */
28
29static int __init setcoherentio(char *str)
30{
31 coherentio = 1;
32 pr_info("Hardware DMA cache coherency (command line)\n");
33 return 0;
34}
35early_param("coherentio", setcoherentio);
36
37static int __init setnocoherentio(char *str)
38{
39 coherentio = 0;
40 pr_info("Software DMA cache coherency (command line)\n");
41 return 0;
42}
43early_param("nocoherentio", setnocoherentio);
44
25static inline struct page *dma_addr_to_page(struct device *dev, 45static inline struct page *dma_addr_to_page(struct device *dev,
26 dma_addr_t dma_addr) 46 dma_addr_t dma_addr)
27{ 47{
@@ -115,7 +135,8 @@ static void *mips_dma_alloc_coherent(struct device *dev, size_t size,
115 135
116 if (!plat_device_is_coherent(dev)) { 136 if (!plat_device_is_coherent(dev)) {
117 dma_cache_wback_inv((unsigned long) ret, size); 137 dma_cache_wback_inv((unsigned long) ret, size);
118 ret = UNCAC_ADDR(ret); 138 if (!hw_coherentio)
139 ret = UNCAC_ADDR(ret);
119 } 140 }
120 } 141 }
121 142
@@ -142,7 +163,7 @@ static void mips_dma_free_coherent(struct device *dev, size_t size, void *vaddr,
142 163
143 plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL); 164 plat_unmap_dma_mem(dev, dma_handle, size, DMA_BIDIRECTIONAL);
144 165
145 if (!plat_device_is_coherent(dev)) 166 if (!plat_device_is_coherent(dev) && !hw_coherentio)
146 addr = CAC_ADDR(addr); 167 addr = CAC_ADDR(addr);
147 168
148 free_pages(addr, get_order(size)); 169 free_pages(addr, get_order(size));
diff --git a/arch/mips/mm/tlb-r3k.c b/arch/mips/mm/tlb-r3k.c
index a63d1ed0827f..4a13c150f31b 100644
--- a/arch/mips/mm/tlb-r3k.c
+++ b/arch/mips/mm/tlb-r3k.c
@@ -51,7 +51,7 @@ void local_flush_tlb_all(void)
51#endif 51#endif
52 52
53 local_irq_save(flags); 53 local_irq_save(flags);
54 old_ctx = read_c0_entryhi() & ASID_MASK; 54 old_ctx = ASID_MASK(read_c0_entryhi());
55 write_c0_entrylo0(0); 55 write_c0_entrylo0(0);
56 entry = r3k_have_wired_reg ? read_c0_wired() : 8; 56 entry = r3k_have_wired_reg ? read_c0_wired() : 8;
57 for (; entry < current_cpu_data.tlbsize; entry++) { 57 for (; entry < current_cpu_data.tlbsize; entry++) {
@@ -87,13 +87,13 @@ void local_flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
87 87
88#ifdef DEBUG_TLB 88#ifdef DEBUG_TLB
89 printk("[tlbrange<%lu,0x%08lx,0x%08lx>]", 89 printk("[tlbrange<%lu,0x%08lx,0x%08lx>]",
90 cpu_context(cpu, mm) & ASID_MASK, start, end); 90 ASID_MASK(cpu_context(cpu, mm)), start, end);
91#endif 91#endif
92 local_irq_save(flags); 92 local_irq_save(flags);
93 size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT; 93 size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
94 if (size <= current_cpu_data.tlbsize) { 94 if (size <= current_cpu_data.tlbsize) {
95 int oldpid = read_c0_entryhi() & ASID_MASK; 95 int oldpid = ASID_MASK(read_c0_entryhi());
96 int newpid = cpu_context(cpu, mm) & ASID_MASK; 96 int newpid = ASID_MASK(cpu_context(cpu, mm));
97 97
98 start &= PAGE_MASK; 98 start &= PAGE_MASK;
99 end += PAGE_SIZE - 1; 99 end += PAGE_SIZE - 1;
@@ -166,10 +166,10 @@ void local_flush_tlb_page(struct vm_area_struct *vma, unsigned long page)
166#ifdef DEBUG_TLB 166#ifdef DEBUG_TLB
167 printk("[tlbpage<%lu,0x%08lx>]", cpu_context(cpu, vma->vm_mm), page); 167 printk("[tlbpage<%lu,0x%08lx>]", cpu_context(cpu, vma->vm_mm), page);
168#endif 168#endif
169 newpid = cpu_context(cpu, vma->vm_mm) & ASID_MASK; 169 newpid = ASID_MASK(cpu_context(cpu, vma->vm_mm));
170 page &= PAGE_MASK; 170 page &= PAGE_MASK;
171 local_irq_save(flags); 171 local_irq_save(flags);
172 oldpid = read_c0_entryhi() & ASID_MASK; 172 oldpid = ASID_MASK(read_c0_entryhi());
173 write_c0_entryhi(page | newpid); 173 write_c0_entryhi(page | newpid);
174 BARRIER; 174 BARRIER;
175 tlb_probe(); 175 tlb_probe();
@@ -197,10 +197,10 @@ void __update_tlb(struct vm_area_struct *vma, unsigned long address, pte_t pte)
197 if (current->active_mm != vma->vm_mm) 197 if (current->active_mm != vma->vm_mm)
198 return; 198 return;
199 199
200 pid = read_c0_entryhi() & ASID_MASK; 200 pid = ASID_MASK(read_c0_entryhi());
201 201
202#ifdef DEBUG_TLB 202#ifdef DEBUG_TLB
203 if ((pid != (cpu_context(cpu, vma->vm_mm) & ASID_MASK)) || (cpu_context(cpu, vma->vm_mm) == 0)) { 203 if ((pid != ASID_MASK(cpu_context(cpu, vma->vm_mm))) || (cpu_context(cpu, vma->vm_mm) == 0)) {
204 printk("update_mmu_cache: Wheee, bogus tlbpid mmpid=%lu tlbpid=%d\n", 204 printk("update_mmu_cache: Wheee, bogus tlbpid mmpid=%lu tlbpid=%d\n",
205 (cpu_context(cpu, vma->vm_mm)), pid); 205 (cpu_context(cpu, vma->vm_mm)), pid);
206 } 206 }
@@ -241,7 +241,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
241 241
242 local_irq_save(flags); 242 local_irq_save(flags);
243 /* Save old context and create impossible VPN2 value */ 243 /* Save old context and create impossible VPN2 value */
244 old_ctx = read_c0_entryhi() & ASID_MASK; 244 old_ctx = ASID_MASK(read_c0_entryhi());
245 old_pagemask = read_c0_pagemask(); 245 old_pagemask = read_c0_pagemask();
246 w = read_c0_wired(); 246 w = read_c0_wired();
247 write_c0_wired(w + 1); 247 write_c0_wired(w + 1);
@@ -264,7 +264,7 @@ void add_wired_entry(unsigned long entrylo0, unsigned long entrylo1,
264#endif 264#endif
265 265
266 local_irq_save(flags); 266 local_irq_save(flags);
267 old_ctx = read_c0_entryhi() & ASID_MASK; 267 old_ctx = ASID_MASK(read_c0_entryhi());
268 write_c0_entrylo0(entrylo0); 268 write_c0_entrylo0(entrylo0);
269 write_c0_entryhi(entryhi); 269 write_c0_entryhi(entryhi);
270 write_c0_index(wired); 270 write_c0_index(wired);
diff --git a/arch/mips/mm/tlb-r4k.c b/arch/mips/mm/tlb-r4k.c
index c643de4c473a..09653b290d53 100644
--- a/arch/mips/mm/tlb-r4k.c
+++ b/arch/mips/mm/tlb-r4k.c
@@ -287,7 +287,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
287 287
288 ENTER_CRITICAL(flags); 288 ENTER_CRITICAL(flags);
289 289
290 pid = read_c0_entryhi() & ASID_MASK; 290 pid = ASID_MASK(read_c0_entryhi());
291 address &= (PAGE_MASK << 1); 291 address &= (PAGE_MASK << 1);
292 write_c0_entryhi(address | pid); 292 write_c0_entryhi(address | pid);
293 pgdp = pgd_offset(vma->vm_mm, address); 293 pgdp = pgd_offset(vma->vm_mm, address);
diff --git a/arch/mips/mm/tlb-r8k.c b/arch/mips/mm/tlb-r8k.c
index 91c2499f806a..122f9207f49e 100644
--- a/arch/mips/mm/tlb-r8k.c
+++ b/arch/mips/mm/tlb-r8k.c
@@ -195,7 +195,7 @@ void __update_tlb(struct vm_area_struct * vma, unsigned long address, pte_t pte)
195 if (current->active_mm != vma->vm_mm) 195 if (current->active_mm != vma->vm_mm)
196 return; 196 return;
197 197
198 pid = read_c0_entryhi() & ASID_MASK; 198 pid = ASID_MASK(read_c0_entryhi());
199 199
200 local_irq_save(flags); 200 local_irq_save(flags);
201 address &= PAGE_MASK; 201 address &= PAGE_MASK;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 3b3822afb059..4d46d3787576 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -29,6 +29,7 @@
29#include <linux/init.h> 29#include <linux/init.h>
30#include <linux/cache.h> 30#include <linux/cache.h>
31 31
32#include <asm/mmu_context.h>
32#include <asm/cacheflush.h> 33#include <asm/cacheflush.h>
33#include <asm/pgtable.h> 34#include <asm/pgtable.h>
34#include <asm/war.h> 35#include <asm/war.h>
@@ -305,6 +306,78 @@ static struct uasm_reloc relocs[128] __cpuinitdata;
305static int check_for_high_segbits __cpuinitdata; 306static int check_for_high_segbits __cpuinitdata;
306#endif 307#endif
307 308
309static void __cpuinit insn_fixup(unsigned int **start, unsigned int **stop,
310 unsigned int i_const)
311{
312 unsigned int **p;
313
314 for (p = start; p < stop; p++) {
315#ifndef CONFIG_CPU_MICROMIPS
316 unsigned int *ip;
317
318 ip = *p;
319 *ip = (*ip & 0xffff0000) | i_const;
320#else
321 unsigned short *ip;
322
323 ip = ((unsigned short *)((unsigned int)*p - 1));
324 if ((*ip & 0xf000) == 0x4000) {
325 *ip &= 0xfff1;
326 *ip |= (i_const << 1);
327 } else if ((*ip & 0xf000) == 0x6000) {
328 *ip &= 0xfff1;
329 *ip |= ((i_const >> 2) << 1);
330 } else {
331 ip++;
332 *ip = i_const;
333 }
334#endif
335 local_flush_icache_range((unsigned long)ip,
336 (unsigned long)ip + sizeof(*ip));
337 }
338}
339
340#define asid_insn_fixup(section, const) \
341do { \
342 extern unsigned int *__start_ ## section; \
343 extern unsigned int *__stop_ ## section; \
344 insn_fixup(&__start_ ## section, &__stop_ ## section, const); \
345} while(0)
346
347/*
348 * Caller is assumed to flush the caches before the first context switch.
349 */
350static void __cpuinit setup_asid(unsigned int inc, unsigned int mask,
351 unsigned int version_mask,
352 unsigned int first_version)
353{
354 extern asmlinkage void handle_ri_rdhwr_vivt(void);
355 unsigned long *vivt_exc;
356
357#ifdef CONFIG_CPU_MICROMIPS
358 /*
359 * Worst case optimised microMIPS addiu instructions support
360 * only a 3-bit immediate value.
361 */
362 if(inc > 7)
363 panic("Invalid ASID increment value!");
364#endif
365 asid_insn_fixup(__asid_inc, inc);
366 asid_insn_fixup(__asid_mask, mask);
367 asid_insn_fixup(__asid_version_mask, version_mask);
368 asid_insn_fixup(__asid_first_version, first_version);
369
370 /* Patch up the 'handle_ri_rdhwr_vivt' handler. */
371 vivt_exc = (unsigned long *) &handle_ri_rdhwr_vivt;
372#ifdef CONFIG_CPU_MICROMIPS
373 vivt_exc = (unsigned long *)((unsigned long) vivt_exc - 1);
374#endif
375 vivt_exc++;
376 *vivt_exc = (*vivt_exc & ~mask) | mask;
377
378 current_cpu_data.asid_cache = first_version;
379}
380
308static int check_for_high_segbits __cpuinitdata; 381static int check_for_high_segbits __cpuinitdata;
309 382
310static unsigned int kscratch_used_mask __cpuinitdata; 383static unsigned int kscratch_used_mask __cpuinitdata;
@@ -2030,6 +2103,13 @@ static void __cpuinit build_r4000_tlb_load_handler(void)
2030 2103
2031 uasm_l_nopage_tlbl(&l, p); 2104 uasm_l_nopage_tlbl(&l, p);
2032 build_restore_work_registers(&p); 2105 build_restore_work_registers(&p);
2106#ifdef CONFIG_CPU_MICROMIPS
2107 if ((unsigned long)tlb_do_page_fault_0 & 1) {
2108 uasm_i_lui(&p, K0, uasm_rel_hi((long)tlb_do_page_fault_0));
2109 uasm_i_addiu(&p, K0, K0, uasm_rel_lo((long)tlb_do_page_fault_0));
2110 uasm_i_jr(&p, K0);
2111 } else
2112#endif
2033 uasm_i_j(&p, (unsigned long)tlb_do_page_fault_0 & 0x0fffffff); 2113 uasm_i_j(&p, (unsigned long)tlb_do_page_fault_0 & 0x0fffffff);
2034 uasm_i_nop(&p); 2114 uasm_i_nop(&p);
2035 2115
@@ -2077,6 +2157,13 @@ static void __cpuinit build_r4000_tlb_store_handler(void)
2077 2157
2078 uasm_l_nopage_tlbs(&l, p); 2158 uasm_l_nopage_tlbs(&l, p);
2079 build_restore_work_registers(&p); 2159 build_restore_work_registers(&p);
2160#ifdef CONFIG_CPU_MICROMIPS
2161 if ((unsigned long)tlb_do_page_fault_1 & 1) {
2162 uasm_i_lui(&p, K0, uasm_rel_hi((long)tlb_do_page_fault_1));
2163 uasm_i_addiu(&p, K0, K0, uasm_rel_lo((long)tlb_do_page_fault_1));
2164 uasm_i_jr(&p, K0);
2165 } else
2166#endif
2080 uasm_i_j(&p, (unsigned long)tlb_do_page_fault_1 & 0x0fffffff); 2167 uasm_i_j(&p, (unsigned long)tlb_do_page_fault_1 & 0x0fffffff);
2081 uasm_i_nop(&p); 2168 uasm_i_nop(&p);
2082 2169
@@ -2125,6 +2212,13 @@ static void __cpuinit build_r4000_tlb_modify_handler(void)
2125 2212
2126 uasm_l_nopage_tlbm(&l, p); 2213 uasm_l_nopage_tlbm(&l, p);
2127 build_restore_work_registers(&p); 2214 build_restore_work_registers(&p);
2215#ifdef CONFIG_CPU_MICROMIPS
2216 if ((unsigned long)tlb_do_page_fault_1 & 1) {
2217 uasm_i_lui(&p, K0, uasm_rel_hi((long)tlb_do_page_fault_1));
2218 uasm_i_addiu(&p, K0, K0, uasm_rel_lo((long)tlb_do_page_fault_1));
2219 uasm_i_jr(&p, K0);
2220 } else
2221#endif
2128 uasm_i_j(&p, (unsigned long)tlb_do_page_fault_1 & 0x0fffffff); 2222 uasm_i_j(&p, (unsigned long)tlb_do_page_fault_1 & 0x0fffffff);
2129 uasm_i_nop(&p); 2223 uasm_i_nop(&p);
2130 2224
@@ -2162,6 +2256,7 @@ void __cpuinit build_tlb_refill_handler(void)
2162 case CPU_TX3922: 2256 case CPU_TX3922:
2163 case CPU_TX3927: 2257 case CPU_TX3927:
2164#ifndef CONFIG_MIPS_PGD_C0_CONTEXT 2258#ifndef CONFIG_MIPS_PGD_C0_CONTEXT
2259 setup_asid(0x40, 0xfc0, 0xf000, ASID_FIRST_VERSION_R3000);
2165 if (cpu_has_local_ebase) 2260 if (cpu_has_local_ebase)
2166 build_r3000_tlb_refill_handler(); 2261 build_r3000_tlb_refill_handler();
2167 if (!run_once) { 2262 if (!run_once) {
@@ -2187,6 +2282,11 @@ void __cpuinit build_tlb_refill_handler(void)
2187 break; 2282 break;
2188 2283
2189 default: 2284 default:
2285#ifndef CONFIG_MIPS_MT_SMTC
2286 setup_asid(0x1, 0xff, 0xff00, ASID_FIRST_VERSION_R4000);
2287#else
2288 setup_asid(0x1, smtc_asid_mask, 0xff00, ASID_FIRST_VERSION_R4000);
2289#endif
2190 if (!run_once) { 2290 if (!run_once) {
2191 scratch_reg = allocate_kscratch(); 2291 scratch_reg = allocate_kscratch();
2192#ifdef CONFIG_MIPS_PGD_C0_CONTEXT 2292#ifdef CONFIG_MIPS_PGD_C0_CONTEXT
diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c
new file mode 100644
index 000000000000..162ee6d62788
--- /dev/null
+++ b/arch/mips/mm/uasm-micromips.c
@@ -0,0 +1,221 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * A small micro-assembler. It is intentionally kept simple, does only
7 * support a subset of instructions, and does not try to hide pipeline
8 * effects like branch delay slots.
9 *
10 * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer
11 * Copyright (C) 2005, 2007 Maciej W. Rozycki
12 * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org)
13 * Copyright (C) 2012, 2013 MIPS Technologies, Inc. All rights reserved.
14 */
15
16#include <linux/kernel.h>
17#include <linux/types.h>
18#include <linux/init.h>
19
20#include <asm/inst.h>
21#include <asm/elf.h>
22#include <asm/bugs.h>
23#define UASM_ISA _UASM_ISA_MICROMIPS
24#include <asm/uasm.h>
25
26#define RS_MASK 0x1f
27#define RS_SH 16
28#define RT_MASK 0x1f
29#define RT_SH 21
30#define SCIMM_MASK 0x3ff
31#define SCIMM_SH 16
32
33/* This macro sets the non-variable bits of an instruction. */
34#define M(a, b, c, d, e, f) \
35 ((a) << OP_SH \
36 | (b) << RT_SH \
37 | (c) << RS_SH \
38 | (d) << RD_SH \
39 | (e) << RE_SH \
40 | (f) << FUNC_SH)
41
42/* Define these when we are not the ISA the kernel is being compiled with. */
43#ifndef CONFIG_CPU_MICROMIPS
44#define MM_uasm_i_b(buf, off) ISAOPC(_beq)(buf, 0, 0, off)
45#define MM_uasm_i_beqz(buf, rs, off) ISAOPC(_beq)(buf, rs, 0, off)
46#define MM_uasm_i_beqzl(buf, rs, off) ISAOPC(_beql)(buf, rs, 0, off)
47#define MM_uasm_i_bnez(buf, rs, off) ISAOPC(_bne)(buf, rs, 0, off)
48#endif
49
50#include "uasm.c"
51
52static struct insn insn_table_MM[] __uasminitdata = {
53 { insn_addu, M(mm_pool32a_op, 0, 0, 0, 0, mm_addu32_op), RT | RS | RD },
54 { insn_addiu, M(mm_addiu32_op, 0, 0, 0, 0, 0), RT | RS | SIMM },
55 { insn_and, M(mm_pool32a_op, 0, 0, 0, 0, mm_and_op), RT | RS | RD },
56 { insn_andi, M(mm_andi32_op, 0, 0, 0, 0, 0), RT | RS | UIMM },
57 { insn_beq, M(mm_beq32_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
58 { insn_beql, 0, 0 },
59 { insn_bgez, M(mm_pool32i_op, mm_bgez_op, 0, 0, 0, 0), RS | BIMM },
60 { insn_bgezl, 0, 0 },
61 { insn_bltz, M(mm_pool32i_op, mm_bltz_op, 0, 0, 0, 0), RS | BIMM },
62 { insn_bltzl, 0, 0 },
63 { insn_bne, M(mm_bne32_op, 0, 0, 0, 0, 0), RT | RS | BIMM },
64 { insn_cache, M(mm_pool32b_op, 0, 0, mm_cache_func, 0, 0), RT | RS | SIMM },
65 { insn_daddu, 0, 0 },
66 { insn_daddiu, 0, 0 },
67 { insn_dmfc0, 0, 0 },
68 { insn_dmtc0, 0, 0 },
69 { insn_dsll, 0, 0 },
70 { insn_dsll32, 0, 0 },
71 { insn_dsra, 0, 0 },
72 { insn_dsrl, 0, 0 },
73 { insn_dsrl32, 0, 0 },
74 { insn_drotr, 0, 0 },
75 { insn_drotr32, 0, 0 },
76 { insn_dsubu, 0, 0 },
77 { insn_eret, M(mm_pool32a_op, 0, 0, 0, mm_eret_op, mm_pool32axf_op), 0 },
78 { insn_ins, M(mm_pool32a_op, 0, 0, 0, 0, mm_ins_op), RT | RS | RD | RE },
79 { insn_ext, M(mm_pool32a_op, 0, 0, 0, 0, mm_ext_op), RT | RS | RD | RE },
80 { insn_j, M(mm_j32_op, 0, 0, 0, 0, 0), JIMM },
81 { insn_jal, M(mm_jal32_op, 0, 0, 0, 0, 0), JIMM },
82 { insn_jr, M(mm_pool32a_op, 0, 0, 0, mm_jalr_op, mm_pool32axf_op), RS },
83 { insn_ld, 0, 0 },
84 { insn_ll, M(mm_pool32c_op, 0, 0, (mm_ll_func << 1), 0, 0), RS | RT | SIMM },
85 { insn_lld, 0, 0 },
86 { insn_lui, M(mm_pool32i_op, mm_lui_op, 0, 0, 0, 0), RS | SIMM },
87 { insn_lw, M(mm_lw32_op, 0, 0, 0, 0, 0), RT | RS | SIMM },
88 { insn_mfc0, M(mm_pool32a_op, 0, 0, 0, mm_mfc0_op, mm_pool32axf_op), RT | RS | RD },
89 { insn_mtc0, M(mm_pool32a_op, 0, 0, 0, mm_mtc0_op, mm_pool32axf_op), RT | RS | RD },
90 { insn_or, M(mm_pool32a_op, 0, 0, 0, 0, mm_or32_op), RT | RS | RD },
91 { insn_ori, M(mm_ori32_op, 0, 0, 0, 0, 0), RT | RS | UIMM },
92 { insn_pref, M(mm_pool32c_op, 0, 0, (mm_pref_func << 1), 0, 0), RT | RS | SIMM },
93 { insn_rfe, 0, 0 },
94 { insn_sc, M(mm_pool32c_op, 0, 0, (mm_sc_func << 1), 0, 0), RT | RS | SIMM },
95 { insn_scd, 0, 0 },
96 { insn_sd, 0, 0 },
97 { insn_sll, M(mm_pool32a_op, 0, 0, 0, 0, mm_sll32_op), RT | RS | RD },
98 { insn_sra, M(mm_pool32a_op, 0, 0, 0, 0, mm_sra_op), RT | RS | RD },
99 { insn_srl, M(mm_pool32a_op, 0, 0, 0, 0, mm_srl32_op), RT | RS | RD },
100 { insn_rotr, M(mm_pool32a_op, 0, 0, 0, 0, mm_rotr_op), RT | RS | RD },
101 { insn_subu, M(mm_pool32a_op, 0, 0, 0, 0, mm_subu32_op), RT | RS | RD },
102 { insn_sw, M(mm_sw32_op, 0, 0, 0, 0, 0), RT | RS | SIMM },
103 { insn_tlbp, M(mm_pool32a_op, 0, 0, 0, mm_tlbp_op, mm_pool32axf_op), 0 },
104 { insn_tlbr, M(mm_pool32a_op, 0, 0, 0, mm_tlbr_op, mm_pool32axf_op), 0 },
105 { insn_tlbwi, M(mm_pool32a_op, 0, 0, 0, mm_tlbwi_op, mm_pool32axf_op), 0 },
106 { insn_tlbwr, M(mm_pool32a_op, 0, 0, 0, mm_tlbwr_op, mm_pool32axf_op), 0 },
107 { insn_xor, M(mm_pool32a_op, 0, 0, 0, 0, mm_xor32_op), RT | RS | RD },
108 { insn_xori, M(mm_xori32_op, 0, 0, 0, 0, 0), RT | RS | UIMM },
109 { insn_dins, 0, 0 },
110 { insn_dinsm, 0, 0 },
111 { insn_syscall, M(mm_pool32a_op, 0, 0, 0, mm_syscall_op, mm_pool32axf_op), SCIMM},
112 { insn_bbit0, 0, 0 },
113 { insn_bbit1, 0, 0 },
114 { insn_lwx, 0, 0 },
115 { insn_ldx, 0, 0 },
116 { insn_invalid, 0, 0 }
117};
118
119#undef M
120
121static inline __uasminit u32 build_bimm(s32 arg)
122{
123 WARN(arg > 0xffff || arg < -0x10000,
124 KERN_WARNING "Micro-assembler field overflow\n");
125
126 WARN(arg & 0x3, KERN_WARNING "Invalid micro-assembler branch target\n");
127
128 return ((arg < 0) ? (1 << 15) : 0) | ((arg >> 1) & 0x7fff);
129}
130
131static inline __uasminit u32 build_jimm(u32 arg)
132{
133
134 WARN(arg & ~((JIMM_MASK << 2) | 1),
135 KERN_WARNING "Micro-assembler field overflow\n");
136
137 return (arg >> 1) & JIMM_MASK;
138}
139
140/*
141 * The order of opcode arguments is implicitly left to right,
142 * starting with RS and ending with FUNC or IMM.
143 */
144static void __uasminit build_insn(u32 **buf, enum opcode opc, ...)
145{
146 struct insn *ip = NULL;
147 unsigned int i;
148 va_list ap;
149 u32 op;
150
151 for (i = 0; insn_table_MM[i].opcode != insn_invalid; i++)
152 if (insn_table_MM[i].opcode == opc) {
153 ip = &insn_table_MM[i];
154 break;
155 }
156
157 if (!ip || (opc == insn_daddiu && r4k_daddiu_bug()))
158 panic("Unsupported Micro-assembler instruction %d", opc);
159
160 op = ip->match;
161 va_start(ap, opc);
162 if (ip->fields & RS) {
163 if (opc == insn_mfc0 || opc == insn_mtc0)
164 op |= build_rt(va_arg(ap, u32));
165 else
166 op |= build_rs(va_arg(ap, u32));
167 }
168 if (ip->fields & RT) {
169 if (opc == insn_mfc0 || opc == insn_mtc0)
170 op |= build_rs(va_arg(ap, u32));
171 else
172 op |= build_rt(va_arg(ap, u32));
173 }
174 if (ip->fields & RD)
175 op |= build_rd(va_arg(ap, u32));
176 if (ip->fields & RE)
177 op |= build_re(va_arg(ap, u32));
178 if (ip->fields & SIMM)
179 op |= build_simm(va_arg(ap, s32));
180 if (ip->fields & UIMM)
181 op |= build_uimm(va_arg(ap, u32));
182 if (ip->fields & BIMM)
183 op |= build_bimm(va_arg(ap, s32));
184 if (ip->fields & JIMM)
185 op |= build_jimm(va_arg(ap, u32));
186 if (ip->fields & FUNC)
187 op |= build_func(va_arg(ap, u32));
188 if (ip->fields & SET)
189 op |= build_set(va_arg(ap, u32));
190 if (ip->fields & SCIMM)
191 op |= build_scimm(va_arg(ap, u32));
192 va_end(ap);
193
194#ifdef CONFIG_CPU_LITTLE_ENDIAN
195 **buf = ((op & 0xffff) << 16) | (op >> 16);
196#else
197 **buf = op;
198#endif
199 (*buf)++;
200}
201
202static inline void __uasminit
203__resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab)
204{
205 long laddr = (long)lab->addr;
206 long raddr = (long)rel->addr;
207
208 switch (rel->type) {
209 case R_MIPS_PC16:
210#ifdef CONFIG_CPU_LITTLE_ENDIAN
211 *rel->addr |= (build_bimm(laddr - (raddr + 4)) << 16);
212#else
213 *rel->addr |= build_bimm(laddr - (raddr + 4));
214#endif
215 break;
216
217 default:
218 panic("Unsupported Micro-assembler relocation %d",
219 rel->type);
220 }
221}
diff --git a/arch/mips/mm/uasm-mips.c b/arch/mips/mm/uasm-mips.c
new file mode 100644
index 000000000000..5fcdd8fe3e83
--- /dev/null
+++ b/arch/mips/mm/uasm-mips.c
@@ -0,0 +1,205 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * A small micro-assembler. It is intentionally kept simple, does only
7 * support a subset of instructions, and does not try to hide pipeline
8 * effects like branch delay slots.
9 *
10 * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer
11 * Copyright (C) 2005, 2007 Maciej W. Rozycki
12 * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org)
13 * Copyright (C) 2012, 2013 MIPS Technologies, Inc. All rights reserved.
14 */
15
16#include <linux/kernel.h>
17#include <linux/types.h>
18#include <linux/init.h>
19
20#include <asm/inst.h>
21#include <asm/elf.h>
22#include <asm/bugs.h>
23#define UASM_ISA _UASM_ISA_CLASSIC
24#include <asm/uasm.h>
25
26#define RS_MASK 0x1f
27#define RS_SH 21
28#define RT_MASK 0x1f
29#define RT_SH 16
30#define SCIMM_MASK 0xfffff
31#define SCIMM_SH 6
32
33/* This macro sets the non-variable bits of an instruction. */
34#define M(a, b, c, d, e, f) \
35 ((a) << OP_SH \
36 | (b) << RS_SH \
37 | (c) << RT_SH \
38 | (d) << RD_SH \
39 | (e) << RE_SH \
40 | (f) << FUNC_SH)
41
42/* Define these when we are not the ISA the kernel is being compiled with. */
43#ifdef CONFIG_CPU_MICROMIPS
44#define CL_uasm_i_b(buf, off) ISAOPC(_beq)(buf, 0, 0, off)
45#define CL_uasm_i_beqz(buf, rs, off) ISAOPC(_beq)(buf, rs, 0, off)
46#define CL_uasm_i_beqzl(buf, rs, off) ISAOPC(_beql)(buf, rs, 0, off)
47#define CL_uasm_i_bnez(buf, rs, off) ISAOPC(_bne)(buf, rs, 0, off)
48#endif
49
50#include "uasm.c"
51
52static struct insn insn_table[] __uasminitdata = {
53 { insn_addiu, M(addiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
54 { insn_addu, M(spec_op, 0, 0, 0, 0, addu_op), RS | RT | RD },
55 { insn_andi, M(andi_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
56 { insn_and, M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD },
57 { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
58 { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
59 { insn_beql, M(beql_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
60 { insn_beq, M(beq_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
61 { insn_bgezl, M(bcond_op, 0, bgezl_op, 0, 0, 0), RS | BIMM },
62 { insn_bgez, M(bcond_op, 0, bgez_op, 0, 0, 0), RS | BIMM },
63 { insn_bltzl, M(bcond_op, 0, bltzl_op, 0, 0, 0), RS | BIMM },
64 { insn_bltz, M(bcond_op, 0, bltz_op, 0, 0, 0), RS | BIMM },
65 { insn_bne, M(bne_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
66 { insn_cache, M(cache_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
67 { insn_daddiu, M(daddiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
68 { insn_daddu, M(spec_op, 0, 0, 0, 0, daddu_op), RS | RT | RD },
69 { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE },
70 { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE },
71 { insn_dmfc0, M(cop0_op, dmfc_op, 0, 0, 0, 0), RT | RD | SET},
72 { insn_dmtc0, M(cop0_op, dmtc_op, 0, 0, 0, 0), RT | RD | SET},
73 { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE },
74 { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE },
75 { insn_dsll32, M(spec_op, 0, 0, 0, 0, dsll32_op), RT | RD | RE },
76 { insn_dsll, M(spec_op, 0, 0, 0, 0, dsll_op), RT | RD | RE },
77 { insn_dsra, M(spec_op, 0, 0, 0, 0, dsra_op), RT | RD | RE },
78 { insn_dsrl32, M(spec_op, 0, 0, 0, 0, dsrl32_op), RT | RD | RE },
79 { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE },
80 { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD },
81 { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 },
82 { insn_ext, M(spec3_op, 0, 0, 0, 0, ext_op), RS | RT | RD | RE },
83 { insn_ins, M(spec3_op, 0, 0, 0, 0, ins_op), RS | RT | RD | RE },
84 { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM },
85 { insn_jal, M(jal_op, 0, 0, 0, 0, 0), JIMM },
86 { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM },
87 { insn_jr, M(spec_op, 0, 0, 0, 0, jr_op), RS },
88 { insn_ld, M(ld_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
89 { insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD },
90 { insn_lld, M(lld_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
91 { insn_ll, M(ll_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
92 { insn_lui, M(lui_op, 0, 0, 0, 0, 0), RT | SIMM },
93 { insn_lw, M(lw_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
94 { insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD },
95 { insn_mfc0, M(cop0_op, mfc_op, 0, 0, 0, 0), RT | RD | SET},
96 { insn_mtc0, M(cop0_op, mtc_op, 0, 0, 0, 0), RT | RD | SET},
97 { insn_ori, M(ori_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
98 { insn_or, M(spec_op, 0, 0, 0, 0, or_op), RS | RT | RD },
99 { insn_pref, M(pref_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
100 { insn_rfe, M(cop0_op, cop_op, 0, 0, 0, rfe_op), 0 },
101 { insn_rotr, M(spec_op, 1, 0, 0, 0, srl_op), RT | RD | RE },
102 { insn_scd, M(scd_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
103 { insn_sc, M(sc_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
104 { insn_sd, M(sd_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
105 { insn_sll, M(spec_op, 0, 0, 0, 0, sll_op), RT | RD | RE },
106 { insn_sra, M(spec_op, 0, 0, 0, 0, sra_op), RT | RD | RE },
107 { insn_srl, M(spec_op, 0, 0, 0, 0, srl_op), RT | RD | RE },
108 { insn_subu, M(spec_op, 0, 0, 0, 0, subu_op), RS | RT | RD },
109 { insn_sw, M(sw_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
110 { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM},
111 { insn_tlbp, M(cop0_op, cop_op, 0, 0, 0, tlbp_op), 0 },
112 { insn_tlbr, M(cop0_op, cop_op, 0, 0, 0, tlbr_op), 0 },
113 { insn_tlbwi, M(cop0_op, cop_op, 0, 0, 0, tlbwi_op), 0 },
114 { insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 },
115 { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
116 { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD },
117 { insn_invalid, 0, 0 }
118};
119
120#undef M
121
122static inline __uasminit u32 build_bimm(s32 arg)
123{
124 WARN(arg > 0x1ffff || arg < -0x20000,
125 KERN_WARNING "Micro-assembler field overflow\n");
126
127 WARN(arg & 0x3, KERN_WARNING "Invalid micro-assembler branch target\n");
128
129 return ((arg < 0) ? (1 << 15) : 0) | ((arg >> 2) & 0x7fff);
130}
131
132static inline __uasminit u32 build_jimm(u32 arg)
133{
134 WARN(arg & ~(JIMM_MASK << 2),
135 KERN_WARNING "Micro-assembler field overflow\n");
136
137 return (arg >> 2) & JIMM_MASK;
138}
139
140/*
141 * The order of opcode arguments is implicitly left to right,
142 * starting with RS and ending with FUNC or IMM.
143 */
144static void __uasminit build_insn(u32 **buf, enum opcode opc, ...)
145{
146 struct insn *ip = NULL;
147 unsigned int i;
148 va_list ap;
149 u32 op;
150
151 for (i = 0; insn_table[i].opcode != insn_invalid; i++)
152 if (insn_table[i].opcode == opc) {
153 ip = &insn_table[i];
154 break;
155 }
156
157 if (!ip || (opc == insn_daddiu && r4k_daddiu_bug()))
158 panic("Unsupported Micro-assembler instruction %d", opc);
159
160 op = ip->match;
161 va_start(ap, opc);
162 if (ip->fields & RS)
163 op |= build_rs(va_arg(ap, u32));
164 if (ip->fields & RT)
165 op |= build_rt(va_arg(ap, u32));
166 if (ip->fields & RD)
167 op |= build_rd(va_arg(ap, u32));
168 if (ip->fields & RE)
169 op |= build_re(va_arg(ap, u32));
170 if (ip->fields & SIMM)
171 op |= build_simm(va_arg(ap, s32));
172 if (ip->fields & UIMM)
173 op |= build_uimm(va_arg(ap, u32));
174 if (ip->fields & BIMM)
175 op |= build_bimm(va_arg(ap, s32));
176 if (ip->fields & JIMM)
177 op |= build_jimm(va_arg(ap, u32));
178 if (ip->fields & FUNC)
179 op |= build_func(va_arg(ap, u32));
180 if (ip->fields & SET)
181 op |= build_set(va_arg(ap, u32));
182 if (ip->fields & SCIMM)
183 op |= build_scimm(va_arg(ap, u32));
184 va_end(ap);
185
186 **buf = op;
187 (*buf)++;
188}
189
190static inline void __uasminit
191__resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab)
192{
193 long laddr = (long)lab->addr;
194 long raddr = (long)rel->addr;
195
196 switch (rel->type) {
197 case R_MIPS_PC16:
198 *rel->addr |= build_bimm(laddr - (raddr + 4));
199 break;
200
201 default:
202 panic("Unsupported Micro-assembler relocation %d",
203 rel->type);
204 }
205}
diff --git a/arch/mips/mm/uasm.c b/arch/mips/mm/uasm.c
index 942ff6c2eba2..7eb5e4355d25 100644
--- a/arch/mips/mm/uasm.c
+++ b/arch/mips/mm/uasm.c
@@ -10,17 +10,9 @@
10 * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer 10 * Copyright (C) 2004, 2005, 2006, 2008 Thiemo Seufer
11 * Copyright (C) 2005, 2007 Maciej W. Rozycki 11 * Copyright (C) 2005, 2007 Maciej W. Rozycki
12 * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org) 12 * Copyright (C) 2006 Ralf Baechle (ralf@linux-mips.org)
13 * Copyright (C) 2012, 2013 MIPS Technologies, Inc. All rights reserved.
13 */ 14 */
14 15
15#include <linux/kernel.h>
16#include <linux/types.h>
17#include <linux/init.h>
18
19#include <asm/inst.h>
20#include <asm/elf.h>
21#include <asm/bugs.h>
22#include <asm/uasm.h>
23
24enum fields { 16enum fields {
25 RS = 0x001, 17 RS = 0x001,
26 RT = 0x002, 18 RT = 0x002,
@@ -37,10 +29,6 @@ enum fields {
37 29
38#define OP_MASK 0x3f 30#define OP_MASK 0x3f
39#define OP_SH 26 31#define OP_SH 26
40#define RS_MASK 0x1f
41#define RS_SH 21
42#define RT_MASK 0x1f
43#define RT_SH 16
44#define RD_MASK 0x1f 32#define RD_MASK 0x1f
45#define RD_SH 11 33#define RD_SH 11
46#define RE_MASK 0x1f 34#define RE_MASK 0x1f
@@ -53,8 +41,6 @@ enum fields {
53#define FUNC_SH 0 41#define FUNC_SH 0
54#define SET_MASK 0x7 42#define SET_MASK 0x7
55#define SET_SH 0 43#define SET_SH 0
56#define SCIMM_MASK 0xfffff
57#define SCIMM_SH 6
58 44
59enum opcode { 45enum opcode {
60 insn_invalid, 46 insn_invalid,
@@ -77,85 +63,6 @@ struct insn {
77 enum fields fields; 63 enum fields fields;
78}; 64};
79 65
80/* This macro sets the non-variable bits of an instruction. */
81#define M(a, b, c, d, e, f) \
82 ((a) << OP_SH \
83 | (b) << RS_SH \
84 | (c) << RT_SH \
85 | (d) << RD_SH \
86 | (e) << RE_SH \
87 | (f) << FUNC_SH)
88
89static struct insn insn_table[] __uasminitdata = {
90 { insn_addiu, M(addiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
91 { insn_addu, M(spec_op, 0, 0, 0, 0, addu_op), RS | RT | RD },
92 { insn_andi, M(andi_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
93 { insn_and, M(spec_op, 0, 0, 0, 0, and_op), RS | RT | RD },
94 { insn_bbit0, M(lwc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
95 { insn_bbit1, M(swc2_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
96 { insn_beql, M(beql_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
97 { insn_beq, M(beq_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
98 { insn_bgezl, M(bcond_op, 0, bgezl_op, 0, 0, 0), RS | BIMM },
99 { insn_bgez, M(bcond_op, 0, bgez_op, 0, 0, 0), RS | BIMM },
100 { insn_bltzl, M(bcond_op, 0, bltzl_op, 0, 0, 0), RS | BIMM },
101 { insn_bltz, M(bcond_op, 0, bltz_op, 0, 0, 0), RS | BIMM },
102 { insn_bne, M(bne_op, 0, 0, 0, 0, 0), RS | RT | BIMM },
103 { insn_cache, M(cache_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
104 { insn_daddiu, M(daddiu_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
105 { insn_daddu, M(spec_op, 0, 0, 0, 0, daddu_op), RS | RT | RD },
106 { insn_dinsm, M(spec3_op, 0, 0, 0, 0, dinsm_op), RS | RT | RD | RE },
107 { insn_dins, M(spec3_op, 0, 0, 0, 0, dins_op), RS | RT | RD | RE },
108 { insn_dmfc0, M(cop0_op, dmfc_op, 0, 0, 0, 0), RT | RD | SET},
109 { insn_dmtc0, M(cop0_op, dmtc_op, 0, 0, 0, 0), RT | RD | SET},
110 { insn_drotr32, M(spec_op, 1, 0, 0, 0, dsrl32_op), RT | RD | RE },
111 { insn_drotr, M(spec_op, 1, 0, 0, 0, dsrl_op), RT | RD | RE },
112 { insn_dsll32, M(spec_op, 0, 0, 0, 0, dsll32_op), RT | RD | RE },
113 { insn_dsll, M(spec_op, 0, 0, 0, 0, dsll_op), RT | RD | RE },
114 { insn_dsra, M(spec_op, 0, 0, 0, 0, dsra_op), RT | RD | RE },
115 { insn_dsrl32, M(spec_op, 0, 0, 0, 0, dsrl32_op), RT | RD | RE },
116 { insn_dsrl, M(spec_op, 0, 0, 0, 0, dsrl_op), RT | RD | RE },
117 { insn_dsubu, M(spec_op, 0, 0, 0, 0, dsubu_op), RS | RT | RD },
118 { insn_eret, M(cop0_op, cop_op, 0, 0, 0, eret_op), 0 },
119 { insn_ext, M(spec3_op, 0, 0, 0, 0, ext_op), RS | RT | RD | RE },
120 { insn_ins, M(spec3_op, 0, 0, 0, 0, ins_op), RS | RT | RD | RE },
121 { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM },
122 { insn_jal, M(jal_op, 0, 0, 0, 0, 0), JIMM },
123 { insn_j, M(j_op, 0, 0, 0, 0, 0), JIMM },
124 { insn_jr, M(spec_op, 0, 0, 0, 0, jr_op), RS },
125 { insn_ld, M(ld_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
126 { insn_ldx, M(spec3_op, 0, 0, 0, ldx_op, lx_op), RS | RT | RD },
127 { insn_lld, M(lld_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
128 { insn_ll, M(ll_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
129 { insn_lui, M(lui_op, 0, 0, 0, 0, 0), RT | SIMM },
130 { insn_lw, M(lw_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
131 { insn_lwx, M(spec3_op, 0, 0, 0, lwx_op, lx_op), RS | RT | RD },
132 { insn_mfc0, M(cop0_op, mfc_op, 0, 0, 0, 0), RT | RD | SET},
133 { insn_mtc0, M(cop0_op, mtc_op, 0, 0, 0, 0), RT | RD | SET},
134 { insn_ori, M(ori_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
135 { insn_or, M(spec_op, 0, 0, 0, 0, or_op), RS | RT | RD },
136 { insn_pref, M(pref_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
137 { insn_rfe, M(cop0_op, cop_op, 0, 0, 0, rfe_op), 0 },
138 { insn_rotr, M(spec_op, 1, 0, 0, 0, srl_op), RT | RD | RE },
139 { insn_scd, M(scd_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
140 { insn_sc, M(sc_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
141 { insn_sd, M(sd_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
142 { insn_sll, M(spec_op, 0, 0, 0, 0, sll_op), RT | RD | RE },
143 { insn_sra, M(spec_op, 0, 0, 0, 0, sra_op), RT | RD | RE },
144 { insn_srl, M(spec_op, 0, 0, 0, 0, srl_op), RT | RD | RE },
145 { insn_subu, M(spec_op, 0, 0, 0, 0, subu_op), RS | RT | RD },
146 { insn_sw, M(sw_op, 0, 0, 0, 0, 0), RS | RT | SIMM },
147 { insn_syscall, M(spec_op, 0, 0, 0, 0, syscall_op), SCIMM},
148 { insn_tlbp, M(cop0_op, cop_op, 0, 0, 0, tlbp_op), 0 },
149 { insn_tlbr, M(cop0_op, cop_op, 0, 0, 0, tlbr_op), 0 },
150 { insn_tlbwi, M(cop0_op, cop_op, 0, 0, 0, tlbwi_op), 0 },
151 { insn_tlbwr, M(cop0_op, cop_op, 0, 0, 0, tlbwr_op), 0 },
152 { insn_xori, M(xori_op, 0, 0, 0, 0, 0), RS | RT | UIMM },
153 { insn_xor, M(spec_op, 0, 0, 0, 0, xor_op), RS | RT | RD },
154 { insn_invalid, 0, 0 }
155};
156
157#undef M
158
159static inline __uasminit u32 build_rs(u32 arg) 66static inline __uasminit u32 build_rs(u32 arg)
160{ 67{
161 WARN(arg & ~RS_MASK, KERN_WARNING "Micro-assembler field overflow\n"); 68 WARN(arg & ~RS_MASK, KERN_WARNING "Micro-assembler field overflow\n");
@@ -199,24 +106,6 @@ static inline __uasminit u32 build_uimm(u32 arg)
199 return arg & IMM_MASK; 106 return arg & IMM_MASK;
200} 107}
201 108
202static inline __uasminit u32 build_bimm(s32 arg)
203{
204 WARN(arg > 0x1ffff || arg < -0x20000,
205 KERN_WARNING "Micro-assembler field overflow\n");
206
207 WARN(arg & 0x3, KERN_WARNING "Invalid micro-assembler branch target\n");
208
209 return ((arg < 0) ? (1 << 15) : 0) | ((arg >> 2) & 0x7fff);
210}
211
212static inline __uasminit u32 build_jimm(u32 arg)
213{
214 WARN(arg & ~(JIMM_MASK << 2),
215 KERN_WARNING "Micro-assembler field overflow\n");
216
217 return (arg >> 2) & JIMM_MASK;
218}
219
220static inline __uasminit u32 build_scimm(u32 arg) 109static inline __uasminit u32 build_scimm(u32 arg)
221{ 110{
222 WARN(arg & ~SCIMM_MASK, 111 WARN(arg & ~SCIMM_MASK,
@@ -239,55 +128,7 @@ static inline __uasminit u32 build_set(u32 arg)
239 return arg & SET_MASK; 128 return arg & SET_MASK;
240} 129}
241 130
242/* 131static void __uasminit build_insn(u32 **buf, enum opcode opc, ...);
243 * The order of opcode arguments is implicitly left to right,
244 * starting with RS and ending with FUNC or IMM.
245 */
246static void __uasminit build_insn(u32 **buf, enum opcode opc, ...)
247{
248 struct insn *ip = NULL;
249 unsigned int i;
250 va_list ap;
251 u32 op;
252
253 for (i = 0; insn_table[i].opcode != insn_invalid; i++)
254 if (insn_table[i].opcode == opc) {
255 ip = &insn_table[i];
256 break;
257 }
258
259 if (!ip || (opc == insn_daddiu && r4k_daddiu_bug()))
260 panic("Unsupported Micro-assembler instruction %d", opc);
261
262 op = ip->match;
263 va_start(ap, opc);
264 if (ip->fields & RS)
265 op |= build_rs(va_arg(ap, u32));
266 if (ip->fields & RT)
267 op |= build_rt(va_arg(ap, u32));
268 if (ip->fields & RD)
269 op |= build_rd(va_arg(ap, u32));
270 if (ip->fields & RE)
271 op |= build_re(va_arg(ap, u32));
272 if (ip->fields & SIMM)
273 op |= build_simm(va_arg(ap, s32));
274 if (ip->fields & UIMM)
275 op |= build_uimm(va_arg(ap, u32));
276 if (ip->fields & BIMM)
277 op |= build_bimm(va_arg(ap, s32));
278 if (ip->fields & JIMM)
279 op |= build_jimm(va_arg(ap, u32));
280 if (ip->fields & FUNC)
281 op |= build_func(va_arg(ap, u32));
282 if (ip->fields & SET)
283 op |= build_set(va_arg(ap, u32));
284 if (ip->fields & SCIMM)
285 op |= build_scimm(va_arg(ap, u32));
286 va_end(ap);
287
288 **buf = op;
289 (*buf)++;
290}
291 132
292#define I_u1u2u3(op) \ 133#define I_u1u2u3(op) \
293Ip_u1u2u3(op) \ 134Ip_u1u2u3(op) \
@@ -445,7 +286,7 @@ I_u3u1u2(_ldx)
445 286
446#ifdef CONFIG_CPU_CAVIUM_OCTEON 287#ifdef CONFIG_CPU_CAVIUM_OCTEON
447#include <asm/octeon/octeon.h> 288#include <asm/octeon/octeon.h>
448void __uasminit uasm_i_pref(u32 **buf, unsigned int a, signed int b, 289void __uasminit ISAFUNC(uasm_i_pref)(u32 **buf, unsigned int a, signed int b,
449 unsigned int c) 290 unsigned int c)
450{ 291{
451 if (OCTEON_IS_MODEL(OCTEON_CN63XX_PASS1_X) && a <= 24 && a != 5) 292 if (OCTEON_IS_MODEL(OCTEON_CN63XX_PASS1_X) && a <= 24 && a != 5)
@@ -457,21 +298,21 @@ void __uasminit uasm_i_pref(u32 **buf, unsigned int a, signed int b,
457 else 298 else
458 build_insn(buf, insn_pref, c, a, b); 299 build_insn(buf, insn_pref, c, a, b);
459} 300}
460UASM_EXPORT_SYMBOL(uasm_i_pref); 301UASM_EXPORT_SYMBOL(ISAFUNC(uasm_i_pref));
461#else 302#else
462I_u2s3u1(_pref) 303I_u2s3u1(_pref)
463#endif 304#endif
464 305
465/* Handle labels. */ 306/* Handle labels. */
466void __uasminit uasm_build_label(struct uasm_label **lab, u32 *addr, int lid) 307void __uasminit ISAFUNC(uasm_build_label)(struct uasm_label **lab, u32 *addr, int lid)
467{ 308{
468 (*lab)->addr = addr; 309 (*lab)->addr = addr;
469 (*lab)->lab = lid; 310 (*lab)->lab = lid;
470 (*lab)++; 311 (*lab)++;
471} 312}
472UASM_EXPORT_SYMBOL(uasm_build_label); 313UASM_EXPORT_SYMBOL(ISAFUNC(uasm_build_label));
473 314
474int __uasminit uasm_in_compat_space_p(long addr) 315int __uasminit ISAFUNC(uasm_in_compat_space_p)(long addr)
475{ 316{
476 /* Is this address in 32bit compat space? */ 317 /* Is this address in 32bit compat space? */
477#ifdef CONFIG_64BIT 318#ifdef CONFIG_64BIT
@@ -480,7 +321,7 @@ int __uasminit uasm_in_compat_space_p(long addr)
480 return 1; 321 return 1;
481#endif 322#endif
482} 323}
483UASM_EXPORT_SYMBOL(uasm_in_compat_space_p); 324UASM_EXPORT_SYMBOL(ISAFUNC(uasm_in_compat_space_p));
484 325
485static int __uasminit uasm_rel_highest(long val) 326static int __uasminit uasm_rel_highest(long val)
486{ 327{
@@ -500,77 +341,66 @@ static int __uasminit uasm_rel_higher(long val)
500#endif 341#endif
501} 342}
502 343
503int __uasminit uasm_rel_hi(long val) 344int __uasminit ISAFUNC(uasm_rel_hi)(long val)
504{ 345{
505 return ((((val + 0x8000L) >> 16) & 0xffff) ^ 0x8000) - 0x8000; 346 return ((((val + 0x8000L) >> 16) & 0xffff) ^ 0x8000) - 0x8000;
506} 347}
507UASM_EXPORT_SYMBOL(uasm_rel_hi); 348UASM_EXPORT_SYMBOL(ISAFUNC(uasm_rel_hi));
508 349
509int __uasminit uasm_rel_lo(long val) 350int __uasminit ISAFUNC(uasm_rel_lo)(long val)
510{ 351{
511 return ((val & 0xffff) ^ 0x8000) - 0x8000; 352 return ((val & 0xffff) ^ 0x8000) - 0x8000;
512} 353}
513UASM_EXPORT_SYMBOL(uasm_rel_lo); 354UASM_EXPORT_SYMBOL(ISAFUNC(uasm_rel_lo));
514 355
515void __uasminit UASM_i_LA_mostly(u32 **buf, unsigned int rs, long addr) 356void __uasminit ISAFUNC(UASM_i_LA_mostly)(u32 **buf, unsigned int rs, long addr)
516{ 357{
517 if (!uasm_in_compat_space_p(addr)) { 358 if (!ISAFUNC(uasm_in_compat_space_p)(addr)) {
518 uasm_i_lui(buf, rs, uasm_rel_highest(addr)); 359 ISAFUNC(uasm_i_lui)(buf, rs, uasm_rel_highest(addr));
519 if (uasm_rel_higher(addr)) 360 if (uasm_rel_higher(addr))
520 uasm_i_daddiu(buf, rs, rs, uasm_rel_higher(addr)); 361 ISAFUNC(uasm_i_daddiu)(buf, rs, rs, uasm_rel_higher(addr));
521 if (uasm_rel_hi(addr)) { 362 if (ISAFUNC(uasm_rel_hi(addr))) {
522 uasm_i_dsll(buf, rs, rs, 16); 363 ISAFUNC(uasm_i_dsll)(buf, rs, rs, 16);
523 uasm_i_daddiu(buf, rs, rs, uasm_rel_hi(addr)); 364 ISAFUNC(uasm_i_daddiu)(buf, rs, rs,
524 uasm_i_dsll(buf, rs, rs, 16); 365 ISAFUNC(uasm_rel_hi)(addr));
366 ISAFUNC(uasm_i_dsll)(buf, rs, rs, 16);
525 } else 367 } else
526 uasm_i_dsll32(buf, rs, rs, 0); 368 ISAFUNC(uasm_i_dsll32)(buf, rs, rs, 0);
527 } else 369 } else
528 uasm_i_lui(buf, rs, uasm_rel_hi(addr)); 370 ISAFUNC(uasm_i_lui)(buf, rs, ISAFUNC(uasm_rel_hi(addr)));
529} 371}
530UASM_EXPORT_SYMBOL(UASM_i_LA_mostly); 372UASM_EXPORT_SYMBOL(ISAFUNC(UASM_i_LA_mostly));
531 373
532void __uasminit UASM_i_LA(u32 **buf, unsigned int rs, long addr) 374void __uasminit ISAFUNC(UASM_i_LA)(u32 **buf, unsigned int rs, long addr)
533{ 375{
534 UASM_i_LA_mostly(buf, rs, addr); 376 ISAFUNC(UASM_i_LA_mostly)(buf, rs, addr);
535 if (uasm_rel_lo(addr)) { 377 if (ISAFUNC(uasm_rel_lo(addr))) {
536 if (!uasm_in_compat_space_p(addr)) 378 if (!ISAFUNC(uasm_in_compat_space_p)(addr))
537 uasm_i_daddiu(buf, rs, rs, uasm_rel_lo(addr)); 379 ISAFUNC(uasm_i_daddiu)(buf, rs, rs,
380 ISAFUNC(uasm_rel_lo(addr)));
538 else 381 else
539 uasm_i_addiu(buf, rs, rs, uasm_rel_lo(addr)); 382 ISAFUNC(uasm_i_addiu)(buf, rs, rs,
383 ISAFUNC(uasm_rel_lo(addr)));
540 } 384 }
541} 385}
542UASM_EXPORT_SYMBOL(UASM_i_LA); 386UASM_EXPORT_SYMBOL(ISAFUNC(UASM_i_LA));
543 387
544/* Handle relocations. */ 388/* Handle relocations. */
545void __uasminit 389void __uasminit
546uasm_r_mips_pc16(struct uasm_reloc **rel, u32 *addr, int lid) 390ISAFUNC(uasm_r_mips_pc16)(struct uasm_reloc **rel, u32 *addr, int lid)
547{ 391{
548 (*rel)->addr = addr; 392 (*rel)->addr = addr;
549 (*rel)->type = R_MIPS_PC16; 393 (*rel)->type = R_MIPS_PC16;
550 (*rel)->lab = lid; 394 (*rel)->lab = lid;
551 (*rel)++; 395 (*rel)++;
552} 396}
553UASM_EXPORT_SYMBOL(uasm_r_mips_pc16); 397UASM_EXPORT_SYMBOL(ISAFUNC(uasm_r_mips_pc16));
554 398
555static inline void __uasminit 399static inline void __uasminit
556__resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab) 400__resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab);
557{
558 long laddr = (long)lab->addr;
559 long raddr = (long)rel->addr;
560
561 switch (rel->type) {
562 case R_MIPS_PC16:
563 *rel->addr |= build_bimm(laddr - (raddr + 4));
564 break;
565
566 default:
567 panic("Unsupported Micro-assembler relocation %d",
568 rel->type);
569 }
570}
571 401
572void __uasminit 402void __uasminit
573uasm_resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab) 403ISAFUNC(uasm_resolve_relocs)(struct uasm_reloc *rel, struct uasm_label *lab)
574{ 404{
575 struct uasm_label *l; 405 struct uasm_label *l;
576 406
@@ -579,40 +409,40 @@ uasm_resolve_relocs(struct uasm_reloc *rel, struct uasm_label *lab)
579 if (rel->lab == l->lab) 409 if (rel->lab == l->lab)
580 __resolve_relocs(rel, l); 410 __resolve_relocs(rel, l);
581} 411}
582UASM_EXPORT_SYMBOL(uasm_resolve_relocs); 412UASM_EXPORT_SYMBOL(ISAFUNC(uasm_resolve_relocs));
583 413
584void __uasminit 414void __uasminit
585uasm_move_relocs(struct uasm_reloc *rel, u32 *first, u32 *end, long off) 415ISAFUNC(uasm_move_relocs)(struct uasm_reloc *rel, u32 *first, u32 *end, long off)
586{ 416{
587 for (; rel->lab != UASM_LABEL_INVALID; rel++) 417 for (; rel->lab != UASM_LABEL_INVALID; rel++)
588 if (rel->addr >= first && rel->addr < end) 418 if (rel->addr >= first && rel->addr < end)
589 rel->addr += off; 419 rel->addr += off;
590} 420}
591UASM_EXPORT_SYMBOL(uasm_move_relocs); 421UASM_EXPORT_SYMBOL(ISAFUNC(uasm_move_relocs));
592 422
593void __uasminit 423void __uasminit
594uasm_move_labels(struct uasm_label *lab, u32 *first, u32 *end, long off) 424ISAFUNC(uasm_move_labels)(struct uasm_label *lab, u32 *first, u32 *end, long off)
595{ 425{
596 for (; lab->lab != UASM_LABEL_INVALID; lab++) 426 for (; lab->lab != UASM_LABEL_INVALID; lab++)
597 if (lab->addr >= first && lab->addr < end) 427 if (lab->addr >= first && lab->addr < end)
598 lab->addr += off; 428 lab->addr += off;
599} 429}
600UASM_EXPORT_SYMBOL(uasm_move_labels); 430UASM_EXPORT_SYMBOL(ISAFUNC(uasm_move_labels));
601 431
602void __uasminit 432void __uasminit
603uasm_copy_handler(struct uasm_reloc *rel, struct uasm_label *lab, u32 *first, 433ISAFUNC(uasm_copy_handler)(struct uasm_reloc *rel, struct uasm_label *lab, u32 *first,
604 u32 *end, u32 *target) 434 u32 *end, u32 *target)
605{ 435{
606 long off = (long)(target - first); 436 long off = (long)(target - first);
607 437
608 memcpy(target, first, (end - first) * sizeof(u32)); 438 memcpy(target, first, (end - first) * sizeof(u32));
609 439
610 uasm_move_relocs(rel, first, end, off); 440 ISAFUNC(uasm_move_relocs(rel, first, end, off));
611 uasm_move_labels(lab, first, end, off); 441 ISAFUNC(uasm_move_labels(lab, first, end, off));
612} 442}
613UASM_EXPORT_SYMBOL(uasm_copy_handler); 443UASM_EXPORT_SYMBOL(ISAFUNC(uasm_copy_handler));
614 444
615int __uasminit uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr) 445int __uasminit ISAFUNC(uasm_insn_has_bdelay)(struct uasm_reloc *rel, u32 *addr)
616{ 446{
617 for (; rel->lab != UASM_LABEL_INVALID; rel++) { 447 for (; rel->lab != UASM_LABEL_INVALID; rel++) {
618 if (rel->addr == addr 448 if (rel->addr == addr
@@ -623,88 +453,88 @@ int __uasminit uasm_insn_has_bdelay(struct uasm_reloc *rel, u32 *addr)
623 453
624 return 0; 454 return 0;
625} 455}
626UASM_EXPORT_SYMBOL(uasm_insn_has_bdelay); 456UASM_EXPORT_SYMBOL(ISAFUNC(uasm_insn_has_bdelay));
627 457
628/* Convenience functions for labeled branches. */ 458/* Convenience functions for labeled branches. */
629void __uasminit 459void __uasminit
630uasm_il_bltz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 460ISAFUNC(uasm_il_bltz)(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid)
631{ 461{
632 uasm_r_mips_pc16(r, *p, lid); 462 uasm_r_mips_pc16(r, *p, lid);
633 uasm_i_bltz(p, reg, 0); 463 ISAFUNC(uasm_i_bltz)(p, reg, 0);
634} 464}
635UASM_EXPORT_SYMBOL(uasm_il_bltz); 465UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bltz));
636 466
637void __uasminit 467void __uasminit
638uasm_il_b(u32 **p, struct uasm_reloc **r, int lid) 468ISAFUNC(uasm_il_b)(u32 **p, struct uasm_reloc **r, int lid)
639{ 469{
640 uasm_r_mips_pc16(r, *p, lid); 470 uasm_r_mips_pc16(r, *p, lid);
641 uasm_i_b(p, 0); 471 ISAFUNC(uasm_i_b)(p, 0);
642} 472}
643UASM_EXPORT_SYMBOL(uasm_il_b); 473UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_b));
644 474
645void __uasminit 475void __uasminit
646uasm_il_beqz(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 476ISAFUNC(uasm_il_beqz)(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid)
647{ 477{
648 uasm_r_mips_pc16(r, *p, lid); 478 uasm_r_mips_pc16(r, *p, lid);
649 uasm_i_beqz(p, reg, 0); 479 ISAFUNC(uasm_i_beqz)(p, reg, 0);
650} 480}
651UASM_EXPORT_SYMBOL(uasm_il_beqz); 481UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beqz));
652 482
653void __uasminit 483void __uasminit
654uasm_il_beqzl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 484ISAFUNC(uasm_il_beqzl)(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid)
655{ 485{
656 uasm_r_mips_pc16(r, *p, lid); 486 uasm_r_mips_pc16(r, *p, lid);
657 uasm_i_beqzl(p, reg, 0); 487 ISAFUNC(uasm_i_beqzl)(p, reg, 0);
658} 488}
659UASM_EXPORT_SYMBOL(uasm_il_beqzl); 489UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_beqzl));
660 490
661void __uasminit 491void __uasminit
662uasm_il_bne(u32 **p, struct uasm_reloc **r, unsigned int reg1, 492ISAFUNC(uasm_il_bne)(u32 **p, struct uasm_reloc **r, unsigned int reg1,
663 unsigned int reg2, int lid) 493 unsigned int reg2, int lid)
664{ 494{
665 uasm_r_mips_pc16(r, *p, lid); 495 uasm_r_mips_pc16(r, *p, lid);
666 uasm_i_bne(p, reg1, reg2, 0); 496 ISAFUNC(uasm_i_bne)(p, reg1, reg2, 0);
667} 497}
668UASM_EXPORT_SYMBOL(uasm_il_bne); 498UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bne));
669 499
670void __uasminit 500void __uasminit
671uasm_il_bnez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 501ISAFUNC(uasm_il_bnez)(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid)
672{ 502{
673 uasm_r_mips_pc16(r, *p, lid); 503 uasm_r_mips_pc16(r, *p, lid);
674 uasm_i_bnez(p, reg, 0); 504 ISAFUNC(uasm_i_bnez)(p, reg, 0);
675} 505}
676UASM_EXPORT_SYMBOL(uasm_il_bnez); 506UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bnez));
677 507
678void __uasminit 508void __uasminit
679uasm_il_bgezl(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 509ISAFUNC(uasm_il_bgezl)(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid)
680{ 510{
681 uasm_r_mips_pc16(r, *p, lid); 511 uasm_r_mips_pc16(r, *p, lid);
682 uasm_i_bgezl(p, reg, 0); 512 ISAFUNC(uasm_i_bgezl)(p, reg, 0);
683} 513}
684UASM_EXPORT_SYMBOL(uasm_il_bgezl); 514UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bgezl));
685 515
686void __uasminit 516void __uasminit
687uasm_il_bgez(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid) 517ISAFUNC(uasm_il_bgez)(u32 **p, struct uasm_reloc **r, unsigned int reg, int lid)
688{ 518{
689 uasm_r_mips_pc16(r, *p, lid); 519 uasm_r_mips_pc16(r, *p, lid);
690 uasm_i_bgez(p, reg, 0); 520 ISAFUNC(uasm_i_bgez)(p, reg, 0);
691} 521}
692UASM_EXPORT_SYMBOL(uasm_il_bgez); 522UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bgez));
693 523
694void __uasminit 524void __uasminit
695uasm_il_bbit0(u32 **p, struct uasm_reloc **r, unsigned int reg, 525ISAFUNC(uasm_il_bbit0)(u32 **p, struct uasm_reloc **r, unsigned int reg,
696 unsigned int bit, int lid) 526 unsigned int bit, int lid)
697{ 527{
698 uasm_r_mips_pc16(r, *p, lid); 528 uasm_r_mips_pc16(r, *p, lid);
699 uasm_i_bbit0(p, reg, bit, 0); 529 ISAFUNC(uasm_i_bbit0)(p, reg, bit, 0);
700} 530}
701UASM_EXPORT_SYMBOL(uasm_il_bbit0); 531UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bbit0));
702 532
703void __uasminit 533void __uasminit
704uasm_il_bbit1(u32 **p, struct uasm_reloc **r, unsigned int reg, 534ISAFUNC(uasm_il_bbit1)(u32 **p, struct uasm_reloc **r, unsigned int reg,
705 unsigned int bit, int lid) 535 unsigned int bit, int lid)
706{ 536{
707 uasm_r_mips_pc16(r, *p, lid); 537 uasm_r_mips_pc16(r, *p, lid);
708 uasm_i_bbit1(p, reg, bit, 0); 538 ISAFUNC(uasm_i_bbit1)(p, reg, bit, 0);
709} 539}
710UASM_EXPORT_SYMBOL(uasm_il_bbit1); 540UASM_EXPORT_SYMBOL(ISAFUNC(uasm_il_bbit1));
diff --git a/arch/mips/mti-malta/Makefile b/arch/mips/mti-malta/Makefile
index 6079ef33b5f0..0388fc8b5613 100644
--- a/arch/mips/mti-malta/Makefile
+++ b/arch/mips/mti-malta/Makefile
@@ -5,9 +5,8 @@
5# Copyright (C) 2008 Wind River Systems, Inc. 5# Copyright (C) 2008 Wind River Systems, Inc.
6# written by Ralf Baechle <ralf@linux-mips.org> 6# written by Ralf Baechle <ralf@linux-mips.org>
7# 7#
8obj-y := malta-amon.o malta-cmdline.o \ 8obj-y := malta-amon.o malta-display.o malta-init.o \
9 malta-display.o malta-init.o malta-int.o \ 9 malta-int.o malta-memory.o malta-platform.o \
10 malta-memory.o malta-platform.o \
11 malta-reset.o malta-setup.o malta-time.o 10 malta-reset.o malta-setup.o malta-time.o
12 11
13obj-$(CONFIG_EARLY_PRINTK) += malta-console.o 12obj-$(CONFIG_EARLY_PRINTK) += malta-console.o
diff --git a/arch/mips/mti-malta/malta-cmdline.c b/arch/mips/mti-malta/malta-cmdline.c
deleted file mode 100644
index 5576a306a145..000000000000
--- a/arch/mips/mti-malta/malta-cmdline.c
+++ /dev/null
@@ -1,59 +0,0 @@
1/*
2 * Carsten Langgaard, carstenl@mips.com
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
4 *
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 *
18 * Kernel command line creation using the prom monitor (YAMON) argc/argv.
19 */
20#include <linux/init.h>
21#include <linux/string.h>
22
23#include <asm/bootinfo.h>
24
25extern int prom_argc;
26extern int *_prom_argv;
27
28/*
29 * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
30 * This macro take care of sign extension.
31 */
32#define prom_argv(index) ((char *)(long)_prom_argv[(index)])
33
34char * __init prom_getcmdline(void)
35{
36 return &(arcs_cmdline[0]);
37}
38
39
40void __init prom_init_cmdline(void)
41{
42 char *cp;
43 int actr;
44
45 actr = 1; /* Always ignore argv[0] */
46
47 cp = &(arcs_cmdline[0]);
48 while(actr < prom_argc) {
49 strcpy(cp, prom_argv(actr));
50 cp += strlen(prom_argv(actr));
51 *cp++ = ' ';
52 actr++;
53 }
54 if (cp != &(arcs_cmdline[0])) {
55 /* get rid of trailing space */
56 --cp;
57 *cp = '\0';
58 }
59}
diff --git a/arch/mips/mti-malta/malta-display.c b/arch/mips/mti-malta/malta-display.c
index 9bc58a24e80a..d4f807191ecd 100644
--- a/arch/mips/mti-malta/malta-display.c
+++ b/arch/mips/mti-malta/malta-display.c
@@ -1,28 +1,20 @@
1/* 1/*
2 * Carsten Langgaard, carstenl@mips.com 2 * This file is subject to the terms and conditions of the GNU General Public
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. 3 * License. See the file "COPYING" in the main directory of this archive
4 * 4 * for more details.
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 * 5 *
18 * Display routines for display messages in MIPS boards ascii display. 6 * Display routines for display messages in MIPS boards ascii display.
7 *
8 * Copyright (C) 1999,2000,2012 MIPS Technologies, Inc.
9 * All rights reserved.
10 * Authors: Carsten Langgaard <carstenl@mips.com>
11 * Steven J. Hill <sjhill@mips.com>
19 */ 12 */
20
21#include <linux/compiler.h> 13#include <linux/compiler.h>
22#include <linux/timer.h> 14#include <linux/timer.h>
23#include <asm/io.h> 15#include <linux/io.h>
16
24#include <asm/mips-boards/generic.h> 17#include <asm/mips-boards/generic.h>
25#include <asm/mips-boards/prom.h>
26 18
27extern const char display_string[]; 19extern const char display_string[];
28static unsigned int display_count; 20static unsigned int display_count;
@@ -36,11 +28,11 @@ void mips_display_message(const char *str)
36 if (unlikely(display == NULL)) 28 if (unlikely(display == NULL))
37 display = ioremap(ASCII_DISPLAY_POS_BASE, 16*sizeof(int)); 29 display = ioremap(ASCII_DISPLAY_POS_BASE, 16*sizeof(int));
38 30
39 for (i = 0; i <= 14; i=i+2) { 31 for (i = 0; i <= 14; i += 2) {
40 if (*str) 32 if (*str)
41 __raw_writel(*str++, display + i); 33 __raw_writel(*str++, display + i);
42 else 34 else
43 __raw_writel(' ', display + i); 35 __raw_writel(' ', display + i);
44 } 36 }
45} 37}
46 38
diff --git a/arch/mips/mti-malta/malta-init.c b/arch/mips/mti-malta/malta-init.c
index c2cbce9e435e..ff8caffd3266 100644
--- a/arch/mips/mti-malta/malta-init.c
+++ b/arch/mips/mti-malta/malta-init.c
@@ -1,54 +1,28 @@
1/* 1/*
2 * Copyright (C) 1999, 2000, 2004, 2005 MIPS Technologies, Inc. 2 * This file is subject to the terms and conditions of the GNU General Public
3 * All rights reserved. 3 * License. See the file "COPYING" in the main directory of this archive
4 * Authors: Carsten Langgaard <carstenl@mips.com> 4 * for more details.
5 * Maciej W. Rozycki <macro@mips.com>
6 *
7 * This program is free software; you can distribute it and/or modify it
8 * under the terms of the GNU General Public License (Version 2) as
9 * published by the Free Software Foundation.
10 *
11 * This program is distributed in the hope it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
19 * 5 *
20 * PROM library initialisation code. 6 * PROM library initialisation code.
7 *
8 * Copyright (C) 1999,2000,2004,2005,2012 MIPS Technologies, Inc.
9 * All rights reserved.
10 * Authors: Carsten Langgaard <carstenl@mips.com>
11 * Maciej W. Rozycki <macro@mips.com>
12 * Steven J. Hill <sjhill@mips.com>
21 */ 13 */
22#include <linux/init.h> 14#include <linux/init.h>
23#include <linux/string.h> 15#include <linux/string.h>
24#include <linux/kernel.h> 16#include <linux/kernel.h>
25 17
26#include <asm/bootinfo.h>
27#include <asm/gt64120.h>
28#include <asm/io.h>
29#include <asm/cacheflush.h> 18#include <asm/cacheflush.h>
30#include <asm/smp-ops.h> 19#include <asm/smp-ops.h>
31#include <asm/traps.h> 20#include <asm/traps.h>
32 21#include <asm/fw/fw.h>
33#include <asm/gcmpregs.h> 22#include <asm/gcmpregs.h>
34#include <asm/mips-boards/prom.h>
35#include <asm/mips-boards/generic.h> 23#include <asm/mips-boards/generic.h>
36#include <asm/mips-boards/bonito64.h>
37#include <asm/mips-boards/msc01_pci.h>
38
39#include <asm/mips-boards/malta.h> 24#include <asm/mips-boards/malta.h>
40 25
41int prom_argc;
42int *_prom_argv, *_prom_envp;
43
44/*
45 * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
46 * This macro take care of sign extension, if running in 64-bit mode.
47 */
48#define prom_envp(index) ((char *)(long)_prom_envp[(index)])
49
50int init_debug;
51
52static int mips_revision_corid; 26static int mips_revision_corid;
53int mips_revision_sconid; 27int mips_revision_sconid;
54 28
@@ -62,74 +36,6 @@ unsigned long _pcictrl_gt64120;
62/* MIPS System controller register base */ 36/* MIPS System controller register base */
63unsigned long _pcictrl_msc; 37unsigned long _pcictrl_msc;
64 38
65char *prom_getenv(char *envname)
66{
67 /*
68 * Return a pointer to the given environment variable.
69 * In 64-bit mode: we're using 64-bit pointers, but all pointers
70 * in the PROM structures are only 32-bit, so we need some
71 * workarounds, if we are running in 64-bit mode.
72 */
73 int i, index=0;
74
75 i = strlen(envname);
76
77 while (prom_envp(index)) {
78 if(strncmp(envname, prom_envp(index), i) == 0) {
79 return(prom_envp(index+1));
80 }
81 index += 2;
82 }
83
84 return NULL;
85}
86
87static inline unsigned char str2hexnum(unsigned char c)
88{
89 if (c >= '0' && c <= '9')
90 return c - '0';
91 if (c >= 'a' && c <= 'f')
92 return c - 'a' + 10;
93 return 0; /* foo */
94}
95
96static inline void str2eaddr(unsigned char *ea, unsigned char *str)
97{
98 int i;
99
100 for (i = 0; i < 6; i++) {
101 unsigned char num;
102
103 if((*str == '.') || (*str == ':'))
104 str++;
105 num = str2hexnum(*str++) << 4;
106 num |= (str2hexnum(*str++));
107 ea[i] = num;
108 }
109}
110
111int get_ethernet_addr(char *ethernet_addr)
112{
113 char *ethaddr_str;
114
115 ethaddr_str = prom_getenv("ethaddr");
116 if (!ethaddr_str) {
117 printk("ethaddr not set in boot prom\n");
118 return -1;
119 }
120 str2eaddr(ethernet_addr, ethaddr_str);
121
122 if (init_debug > 1) {
123 int i;
124 printk("get_ethernet_addr: ");
125 for (i=0; i<5; i++)
126 printk("%02x:", (unsigned char)*(ethernet_addr+i));
127 printk("%02x\n", *(ethernet_addr+i));
128 }
129
130 return 0;
131}
132
133#ifdef CONFIG_SERIAL_8250_CONSOLE 39#ifdef CONFIG_SERIAL_8250_CONSOLE
134static void __init console_config(void) 40static void __init console_config(void)
135{ 41{
@@ -138,17 +44,23 @@ static void __init console_config(void)
138 char parity = '\0', bits = '\0', flow = '\0'; 44 char parity = '\0', bits = '\0', flow = '\0';
139 char *s; 45 char *s;
140 46
141 if ((strstr(prom_getcmdline(), "console=")) == NULL) { 47 if ((strstr(fw_getcmdline(), "console=")) == NULL) {
142 s = prom_getenv("modetty0"); 48 s = fw_getenv("modetty0");
143 if (s) { 49 if (s) {
144 while (*s >= '0' && *s <= '9') 50 while (*s >= '0' && *s <= '9')
145 baud = baud*10 + *s++ - '0'; 51 baud = baud*10 + *s++ - '0';
146 if (*s == ',') s++; 52 if (*s == ',')
147 if (*s) parity = *s++; 53 s++;
148 if (*s == ',') s++; 54 if (*s)
149 if (*s) bits = *s++; 55 parity = *s++;
150 if (*s == ',') s++; 56 if (*s == ',')
151 if (*s == 'h') flow = 'r'; 57 s++;
58 if (*s)
59 bits = *s++;
60 if (*s == ',')
61 s++;
62 if (*s == 'h')
63 flow = 'r';
152 } 64 }
153 if (baud == 0) 65 if (baud == 0)
154 baud = 38400; 66 baud = 38400;
@@ -158,8 +70,9 @@ static void __init console_config(void)
158 bits = '8'; 70 bits = '8';
159 if (flow == '\0') 71 if (flow == '\0')
160 flow = 'r'; 72 flow = 'r';
161 sprintf(console_string, " console=ttyS0,%d%c%c%c", baud, parity, bits, flow); 73 sprintf(console_string, " console=ttyS0,%d%c%c%c", baud,
162 strcat(prom_getcmdline(), console_string); 74 parity, bits, flow);
75 strcat(fw_getcmdline(), console_string);
163 pr_info("Config serial console:%s\n", console_string); 76 pr_info("Config serial console:%s\n", console_string);
164 } 77 }
165} 78}
@@ -193,10 +106,6 @@ extern struct plat_smp_ops msmtc_smp_ops;
193 106
194void __init prom_init(void) 107void __init prom_init(void)
195{ 108{
196 prom_argc = fw_arg0;
197 _prom_argv = (int *) fw_arg1;
198 _prom_envp = (int *) fw_arg2;
199
200 mips_display_message("LINUX"); 109 mips_display_message("LINUX");
201 110
202 /* 111 /*
@@ -306,7 +215,7 @@ void __init prom_init(void)
306 case MIPS_REVISION_SCON_SOCIT: 215 case MIPS_REVISION_SCON_SOCIT:
307 case MIPS_REVISION_SCON_ROCIT: 216 case MIPS_REVISION_SCON_ROCIT:
308 _pcictrl_msc = (unsigned long)ioremap(MIPS_MSC01_PCI_REG_BASE, 0x2000); 217 _pcictrl_msc = (unsigned long)ioremap(MIPS_MSC01_PCI_REG_BASE, 0x2000);
309 mips_pci_controller: 218mips_pci_controller:
310 mb(); 219 mb();
311 MSC_READ(MSC01_PCI_CFG, data); 220 MSC_READ(MSC01_PCI_CFG, data);
312 MSC_WRITE(MSC01_PCI_CFG, data & ~MSC01_PCI_CFG_EN_BIT); 221 MSC_WRITE(MSC01_PCI_CFG, data & ~MSC01_PCI_CFG_EN_BIT);
@@ -348,13 +257,13 @@ void __init prom_init(void)
348 default: 257 default:
349 /* Unknown system controller */ 258 /* Unknown system controller */
350 mips_display_message("SC Error"); 259 mips_display_message("SC Error");
351 while (1); /* We die here... */ 260 while (1); /* We die here... */
352 } 261 }
353 board_nmi_handler_setup = mips_nmi_setup; 262 board_nmi_handler_setup = mips_nmi_setup;
354 board_ejtag_handler_setup = mips_ejtag_setup; 263 board_ejtag_handler_setup = mips_ejtag_setup;
355 264
356 prom_init_cmdline(); 265 fw_init_cmdline();
357 prom_meminit(); 266 fw_meminit();
358#ifdef CONFIG_SERIAL_8250_CONSOLE 267#ifdef CONFIG_SERIAL_8250_CONSOLE
359 console_config(); 268 console_config();
360#endif 269#endif
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index e364af70e6cf..0a1339ac3ec8 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -47,7 +47,6 @@
47#include <asm/setup.h> 47#include <asm/setup.h>
48 48
49int gcmp_present = -1; 49int gcmp_present = -1;
50int gic_present;
51static unsigned long _msc01_biu_base; 50static unsigned long _msc01_biu_base;
52static unsigned long _gcmp_base; 51static unsigned long _gcmp_base;
53static unsigned int ipi_map[NR_CPUS]; 52static unsigned int ipi_map[NR_CPUS];
@@ -134,6 +133,9 @@ static void malta_ipi_irqdispatch(void)
134{ 133{
135 int irq; 134 int irq;
136 135
136 if (gic_compare_int())
137 do_IRQ(MIPS_GIC_IRQ_BASE);
138
137 irq = gic_get_int(); 139 irq = gic_get_int();
138 if (irq < 0) 140 if (irq < 0)
139 return; /* interrupt has already been cleared */ 141 return; /* interrupt has already been cleared */
diff --git a/arch/mips/mti-malta/malta-memory.c b/arch/mips/mti-malta/malta-memory.c
index f3d43aa023a9..1f73d63e92a7 100644
--- a/arch/mips/mti-malta/malta-memory.c
+++ b/arch/mips/mti-malta/malta-memory.c
@@ -1,73 +1,45 @@
1/* 1/*
2 * Carsten Langgaard, carstenl@mips.com 2 * This file is subject to the terms and conditions of the GNU General Public
3 * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. 3 * License. See the file "COPYING" in the main directory of this archive
4 * 4 * for more details.
5 * This program is free software; you can distribute it and/or modify it
6 * under the terms of the GNU General Public License (Version 2) as
7 * published by the Free Software Foundation.
8 *
9 * This program is distributed in the hope it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * for more details.
13 *
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
17 * 5 *
18 * PROM library functions for acquiring/using memory descriptors given to 6 * PROM library functions for acquiring/using memory descriptors given to
19 * us from the YAMON. 7 * us from the YAMON.
8 *
9 * Copyright (C) 1999,2000,2012 MIPS Technologies, Inc.
10 * All rights reserved.
11 * Authors: Carsten Langgaard <carstenl@mips.com>
12 * Steven J. Hill <sjhill@mips.com>
20 */ 13 */
21#include <linux/init.h> 14#include <linux/init.h>
22#include <linux/mm.h>
23#include <linux/bootmem.h> 15#include <linux/bootmem.h>
24#include <linux/pfn.h>
25#include <linux/string.h> 16#include <linux/string.h>
26 17
27#include <asm/bootinfo.h> 18#include <asm/bootinfo.h>
28#include <asm/page.h>
29#include <asm/sections.h> 19#include <asm/sections.h>
20#include <asm/fw/fw.h>
30 21
31#include <asm/mips-boards/prom.h> 22static fw_memblock_t mdesc[FW_MAX_MEMBLOCKS];
32
33/*#define DEBUG*/
34
35enum yamon_memtypes {
36 yamon_dontuse,
37 yamon_prom,
38 yamon_free,
39};
40static struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS];
41
42#ifdef DEBUG
43static char *mtypes[3] = {
44 "Dont use memory",
45 "YAMON PROM memory",
46 "Free memory",
47};
48#endif
49 23
50/* determined physical memory size, not overridden by command line args */ 24/* determined physical memory size, not overridden by command line args */
51unsigned long physical_memsize = 0L; 25unsigned long physical_memsize = 0L;
52 26
53static struct prom_pmemblock * __init prom_getmdesc(void) 27fw_memblock_t * __init fw_getmdesc(void)
54{ 28{
55 char *memsize_str; 29 char *memsize_str, *ptr;
56 unsigned int memsize; 30 unsigned int memsize;
57 char *ptr;
58 static char cmdline[COMMAND_LINE_SIZE] __initdata; 31 static char cmdline[COMMAND_LINE_SIZE] __initdata;
32 long val;
33 int tmp;
59 34
60 /* otherwise look in the environment */ 35 /* otherwise look in the environment */
61 memsize_str = prom_getenv("memsize"); 36 memsize_str = fw_getenv("memsize");
62 if (!memsize_str) { 37 if (!memsize_str) {
63 printk(KERN_WARNING 38 pr_warn("memsize not set in YAMON, set to default (32Mb)\n");
64 "memsize not set in boot prom, set to default (32Mb)\n");
65 physical_memsize = 0x02000000; 39 physical_memsize = 0x02000000;
66 } else { 40 } else {
67#ifdef DEBUG 41 tmp = kstrtol(memsize_str, 0, &val);
68 pr_debug("prom_memsize = %s\n", memsize_str); 42 physical_memsize = (unsigned long)val;
69#endif
70 physical_memsize = simple_strtol(memsize_str, NULL, 0);
71 } 43 }
72 44
73#ifdef CONFIG_CPU_BIG_ENDIAN 45#ifdef CONFIG_CPU_BIG_ENDIAN
@@ -90,11 +62,11 @@ static struct prom_pmemblock * __init prom_getmdesc(void)
90 62
91 memset(mdesc, 0, sizeof(mdesc)); 63 memset(mdesc, 0, sizeof(mdesc));
92 64
93 mdesc[0].type = yamon_dontuse; 65 mdesc[0].type = fw_dontuse;
94 mdesc[0].base = 0x00000000; 66 mdesc[0].base = 0x00000000;
95 mdesc[0].size = 0x00001000; 67 mdesc[0].size = 0x00001000;
96 68
97 mdesc[1].type = yamon_prom; 69 mdesc[1].type = fw_code;
98 mdesc[1].base = 0x00001000; 70 mdesc[1].base = 0x00001000;
99 mdesc[1].size = 0x000ef000; 71 mdesc[1].size = 0x000ef000;
100 72
@@ -105,55 +77,45 @@ static struct prom_pmemblock * __init prom_getmdesc(void)
105 * This mean that this area can't be used as DMA memory for PCI 77 * This mean that this area can't be used as DMA memory for PCI
106 * devices. 78 * devices.
107 */ 79 */
108 mdesc[2].type = yamon_dontuse; 80 mdesc[2].type = fw_dontuse;
109 mdesc[2].base = 0x000f0000; 81 mdesc[2].base = 0x000f0000;
110 mdesc[2].size = 0x00010000; 82 mdesc[2].size = 0x00010000;
111 83
112 mdesc[3].type = yamon_dontuse; 84 mdesc[3].type = fw_dontuse;
113 mdesc[3].base = 0x00100000; 85 mdesc[3].base = 0x00100000;
114 mdesc[3].size = CPHYSADDR(PFN_ALIGN((unsigned long)&_end)) - mdesc[3].base; 86 mdesc[3].size = CPHYSADDR(PFN_ALIGN((unsigned long)&_end)) -
87 mdesc[3].base;
115 88
116 mdesc[4].type = yamon_free; 89 mdesc[4].type = fw_free;
117 mdesc[4].base = CPHYSADDR(PFN_ALIGN(&_end)); 90 mdesc[4].base = CPHYSADDR(PFN_ALIGN(&_end));
118 mdesc[4].size = memsize - mdesc[4].base; 91 mdesc[4].size = memsize - mdesc[4].base;
119 92
120 return &mdesc[0]; 93 return &mdesc[0];
121} 94}
122 95
123static int __init prom_memtype_classify(unsigned int type) 96static int __init fw_memtype_classify(unsigned int type)
124{ 97{
125 switch (type) { 98 switch (type) {
126 case yamon_free: 99 case fw_free:
127 return BOOT_MEM_RAM; 100 return BOOT_MEM_RAM;
128 case yamon_prom: 101 case fw_code:
129 return BOOT_MEM_ROM_DATA; 102 return BOOT_MEM_ROM_DATA;
130 default: 103 default:
131 return BOOT_MEM_RESERVED; 104 return BOOT_MEM_RESERVED;
132 } 105 }
133} 106}
134 107
135void __init prom_meminit(void) 108void __init fw_meminit(void)
136{ 109{
137 struct prom_pmemblock *p; 110 fw_memblock_t *p;
138 111
139#ifdef DEBUG 112 p = fw_getmdesc();
140 pr_debug("YAMON MEMORY DESCRIPTOR dump:\n");
141 p = prom_getmdesc();
142 while (p->size) {
143 int i = 0;
144 pr_debug("[%d,%p]: base<%08lx> size<%08lx> type<%s>\n",
145 i, p, p->base, p->size, mtypes[p->type]);
146 p++;
147 i++;
148 }
149#endif
150 p = prom_getmdesc();
151 113
152 while (p->size) { 114 while (p->size) {
153 long type; 115 long type;
154 unsigned long base, size; 116 unsigned long base, size;
155 117
156 type = prom_memtype_classify(p->type); 118 type = fw_memtype_classify(p->type);
157 base = p->base; 119 base = p->base;
158 size = p->size; 120 size = p->size;
159 121
@@ -172,7 +134,7 @@ void __init prom_free_prom_memory(void)
172 continue; 134 continue;
173 135
174 addr = boot_mem_map.map[i].addr; 136 addr = boot_mem_map.map[i].addr;
175 free_init_pages("prom memory", 137 free_init_pages("YAMON memory",
176 addr, addr + boot_mem_map.map[i].size); 138 addr, addr + boot_mem_map.map[i].size);
177 } 139 }
178} 140}
diff --git a/arch/mips/mti-malta/malta-setup.c b/arch/mips/mti-malta/malta-setup.c
index 200f64df2c9b..c72a06936781 100644
--- a/arch/mips/mti-malta/malta-setup.c
+++ b/arch/mips/mti-malta/malta-setup.c
@@ -25,13 +25,13 @@
25#include <linux/screen_info.h> 25#include <linux/screen_info.h>
26#include <linux/time.h> 26#include <linux/time.h>
27 27
28#include <asm/bootinfo.h> 28#include <asm/fw/fw.h>
29#include <asm/mips-boards/generic.h> 29#include <asm/mips-boards/generic.h>
30#include <asm/mips-boards/prom.h>
31#include <asm/mips-boards/malta.h> 30#include <asm/mips-boards/malta.h>
32#include <asm/mips-boards/maltaint.h> 31#include <asm/mips-boards/maltaint.h>
33#include <asm/dma.h> 32#include <asm/dma.h>
34#include <asm/traps.h> 33#include <asm/traps.h>
34#include <asm/gcmpregs.h>
35#ifdef CONFIG_VT 35#ifdef CONFIG_VT
36#include <linux/console.h> 36#include <linux/console.h>
37#endif 37#endif
@@ -105,6 +105,66 @@ static void __init fd_activate(void)
105} 105}
106#endif 106#endif
107 107
108static int __init plat_enable_iocoherency(void)
109{
110 int supported = 0;
111 if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO) {
112 if (BONITO_PCICACHECTRL & BONITO_PCICACHECTRL_CPUCOH_PRES) {
113 BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_CPUCOH_EN;
114 pr_info("Enabled Bonito CPU coherency\n");
115 supported = 1;
116 }
117 if (strstr(fw_getcmdline(), "iobcuncached")) {
118 BONITO_PCICACHECTRL &= ~BONITO_PCICACHECTRL_IOBCCOH_EN;
119 BONITO_PCIMEMBASECFG = BONITO_PCIMEMBASECFG &
120 ~(BONITO_PCIMEMBASECFG_MEMBASE0_CACHED |
121 BONITO_PCIMEMBASECFG_MEMBASE1_CACHED);
122 pr_info("Disabled Bonito IOBC coherency\n");
123 } else {
124 BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_IOBCCOH_EN;
125 BONITO_PCIMEMBASECFG |=
126 (BONITO_PCIMEMBASECFG_MEMBASE0_CACHED |
127 BONITO_PCIMEMBASECFG_MEMBASE1_CACHED);
128 pr_info("Enabled Bonito IOBC coherency\n");
129 }
130 } else if (gcmp_niocu() != 0) {
131 /* Nothing special needs to be done to enable coherency */
132 pr_info("CMP IOCU detected\n");
133 if ((*(unsigned int *)0xbf403000 & 0x81) != 0x81) {
134 pr_crit("IOCU OPERATION DISABLED BY SWITCH - DEFAULTING TO SW IO COHERENCY\n");
135 return 0;
136 }
137 supported = 1;
138 }
139 hw_coherentio = supported;
140 return supported;
141}
142
143static void __init plat_setup_iocoherency(void)
144{
145#ifdef CONFIG_DMA_NONCOHERENT
146 /*
147 * Kernel has been configured with software coherency
148 * but we might choose to turn it off and use hardware
149 * coherency instead.
150 */
151 if (plat_enable_iocoherency()) {
152 if (coherentio == 0)
153 pr_info("Hardware DMA cache coherency disabled\n");
154 else
155 pr_info("Hardware DMA cache coherency enabled\n");
156 } else {
157 if (coherentio == 1)
158 pr_info("Hardware DMA cache coherency unsupported, but enabled from command line!\n");
159 else
160 pr_info("Software DMA cache coherency enabled\n");
161 }
162#else
163 if (!plat_enable_iocoherency())
164 panic("Hardware DMA cache coherency not supported!");
165#endif
166}
167
108#ifdef CONFIG_BLK_DEV_IDE 168#ifdef CONFIG_BLK_DEV_IDE
109static void __init pci_clock_check(void) 169static void __init pci_clock_check(void)
110{ 170{
@@ -115,16 +175,15 @@ static void __init pci_clock_check(void)
115 33, 20, 25, 30, 12, 16, 37, 10 175 33, 20, 25, 30, 12, 16, 37, 10
116 }; 176 };
117 int pciclock = pciclocks[jmpr]; 177 int pciclock = pciclocks[jmpr];
118 char *argptr = prom_getcmdline(); 178 char *argptr = fw_getcmdline();
119 179
120 if (pciclock != 33 && !strstr(argptr, "idebus=")) { 180 if (pciclock != 33 && !strstr(argptr, "idebus=")) {
121 printk(KERN_WARNING "WARNING: PCI clock is %dMHz, " 181 pr_warn("WARNING: PCI clock is %dMHz, setting idebus\n",
122 "setting idebus\n", pciclock); 182 pciclock);
123 argptr += strlen(argptr); 183 argptr += strlen(argptr);
124 sprintf(argptr, " idebus=%d", pciclock); 184 sprintf(argptr, " idebus=%d", pciclock);
125 if (pciclock < 20 || pciclock > 66) 185 if (pciclock < 20 || pciclock > 66)
126 printk(KERN_WARNING "WARNING: IDE timing " 186 pr_warn("WARNING: IDE timing calculations will be incorrect\n");
127 "calculations will be incorrect\n");
128 } 187 }
129} 188}
130#endif 189#endif
@@ -153,31 +212,31 @@ static void __init bonito_quirks_setup(void)
153{ 212{
154 char *argptr; 213 char *argptr;
155 214
156 argptr = prom_getcmdline(); 215 argptr = fw_getcmdline();
157 if (strstr(argptr, "debug")) { 216 if (strstr(argptr, "debug")) {
158 BONITO_BONGENCFG |= BONITO_BONGENCFG_DEBUGMODE; 217 BONITO_BONGENCFG |= BONITO_BONGENCFG_DEBUGMODE;
159 printk(KERN_INFO "Enabled Bonito debug mode\n"); 218 pr_info("Enabled Bonito debug mode\n");
160 } else 219 } else
161 BONITO_BONGENCFG &= ~BONITO_BONGENCFG_DEBUGMODE; 220 BONITO_BONGENCFG &= ~BONITO_BONGENCFG_DEBUGMODE;
162 221
163#ifdef CONFIG_DMA_COHERENT 222#ifdef CONFIG_DMA_COHERENT
164 if (BONITO_PCICACHECTRL & BONITO_PCICACHECTRL_CPUCOH_PRES) { 223 if (BONITO_PCICACHECTRL & BONITO_PCICACHECTRL_CPUCOH_PRES) {
165 BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_CPUCOH_EN; 224 BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_CPUCOH_EN;
166 printk(KERN_INFO "Enabled Bonito CPU coherency\n"); 225 pr_info("Enabled Bonito CPU coherency\n");
167 226
168 argptr = prom_getcmdline(); 227 argptr = fw_getcmdline();
169 if (strstr(argptr, "iobcuncached")) { 228 if (strstr(argptr, "iobcuncached")) {
170 BONITO_PCICACHECTRL &= ~BONITO_PCICACHECTRL_IOBCCOH_EN; 229 BONITO_PCICACHECTRL &= ~BONITO_PCICACHECTRL_IOBCCOH_EN;
171 BONITO_PCIMEMBASECFG = BONITO_PCIMEMBASECFG & 230 BONITO_PCIMEMBASECFG = BONITO_PCIMEMBASECFG &
172 ~(BONITO_PCIMEMBASECFG_MEMBASE0_CACHED | 231 ~(BONITO_PCIMEMBASECFG_MEMBASE0_CACHED |
173 BONITO_PCIMEMBASECFG_MEMBASE1_CACHED); 232 BONITO_PCIMEMBASECFG_MEMBASE1_CACHED);
174 printk(KERN_INFO "Disabled Bonito IOBC coherency\n"); 233 pr_info("Disabled Bonito IOBC coherency\n");
175 } else { 234 } else {
176 BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_IOBCCOH_EN; 235 BONITO_PCICACHECTRL |= BONITO_PCICACHECTRL_IOBCCOH_EN;
177 BONITO_PCIMEMBASECFG |= 236 BONITO_PCIMEMBASECFG |=
178 (BONITO_PCIMEMBASECFG_MEMBASE0_CACHED | 237 (BONITO_PCIMEMBASECFG_MEMBASE0_CACHED |
179 BONITO_PCIMEMBASECFG_MEMBASE1_CACHED); 238 BONITO_PCIMEMBASECFG_MEMBASE1_CACHED);
180 printk(KERN_INFO "Enabled Bonito IOBC coherency\n"); 239 pr_info("Enabled Bonito IOBC coherency\n");
181 } 240 }
182 } else 241 } else
183 panic("Hardware DMA cache coherency not supported"); 242 panic("Hardware DMA cache coherency not supported");
@@ -207,6 +266,8 @@ void __init plat_mem_setup(void)
207 if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO) 266 if (mips_revision_sconid == MIPS_REVISION_SCON_BONITO)
208 bonito_quirks_setup(); 267 bonito_quirks_setup();
209 268
269 plat_setup_iocoherency();
270
210#ifdef CONFIG_BLK_DEV_IDE 271#ifdef CONFIG_BLK_DEV_IDE
211 pci_clock_check(); 272 pci_clock_check();
212#endif 273#endif
diff --git a/arch/mips/mti-malta/malta-time.c b/arch/mips/mti-malta/malta-time.c
index bc6ac00c0d57..0ad305f75802 100644
--- a/arch/mips/mti-malta/malta-time.c
+++ b/arch/mips/mti-malta/malta-time.c
@@ -39,12 +39,9 @@
39#include <asm/gic.h> 39#include <asm/gic.h>
40 40
41#include <asm/mips-boards/generic.h> 41#include <asm/mips-boards/generic.h>
42#include <asm/mips-boards/prom.h>
43
44#include <asm/mips-boards/maltaint.h> 42#include <asm/mips-boards/maltaint.h>
45 43
46unsigned long cpu_khz; 44unsigned long cpu_khz;
47int gic_frequency;
48 45
49static int mips_cpu_timer_irq; 46static int mips_cpu_timer_irq;
50static int mips_cpu_perf_irq; 47static int mips_cpu_perf_irq;
@@ -74,7 +71,9 @@ static void __init estimate_frequencies(void)
74{ 71{
75 unsigned long flags; 72 unsigned long flags;
76 unsigned int count, start; 73 unsigned int count, start;
74#ifdef CONFIG_IRQ_GIC
77 unsigned int giccount = 0, gicstart = 0; 75 unsigned int giccount = 0, gicstart = 0;
76#endif
78 77
79#if defined (CONFIG_KVM_GUEST) && defined (CONFIG_KVM_HOST_FREQ) 78#if defined (CONFIG_KVM_GUEST) && defined (CONFIG_KVM_HOST_FREQ)
80 unsigned int prid = read_c0_prid() & 0xffff00; 79 unsigned int prid = read_c0_prid() & 0xffff00;
@@ -99,26 +98,32 @@ static void __init estimate_frequencies(void)
99 98
100 /* Initialize counters. */ 99 /* Initialize counters. */
101 start = read_c0_count(); 100 start = read_c0_count();
101#ifdef CONFIG_IRQ_GIC
102 if (gic_present) 102 if (gic_present)
103 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), gicstart); 103 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), gicstart);
104#endif
104 105
105 /* Read counter exactly on falling edge of update flag. */ 106 /* Read counter exactly on falling edge of update flag. */
106 while (CMOS_READ(RTC_REG_A) & RTC_UIP); 107 while (CMOS_READ(RTC_REG_A) & RTC_UIP);
107 while (!(CMOS_READ(RTC_REG_A) & RTC_UIP)); 108 while (!(CMOS_READ(RTC_REG_A) & RTC_UIP));
108 109
109 count = read_c0_count(); 110 count = read_c0_count();
111#ifdef CONFIG_IRQ_GIC
110 if (gic_present) 112 if (gic_present)
111 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), giccount); 113 GICREAD(GIC_REG(SHARED, GIC_SH_COUNTER_31_00), giccount);
114#endif
112 115
113 local_irq_restore(flags); 116 local_irq_restore(flags);
114 117
115 count -= start; 118 count -= start;
116 if (gic_present)
117 giccount -= gicstart;
118
119 mips_hpt_frequency = count; 119 mips_hpt_frequency = count;
120 if (gic_present) 120
121#ifdef CONFIG_IRQ_GIC
122 if (gic_present) {
123 giccount -= gicstart;
121 gic_frequency = giccount; 124 gic_frequency = giccount;
125 }
126#endif
122} 127}
123 128
124void read_persistent_clock(struct timespec *ts) 129void read_persistent_clock(struct timespec *ts)
@@ -174,24 +179,27 @@ void __init plat_time_init(void)
174 (prid != (PRID_COMP_MIPS | PRID_IMP_25KF))) 179 (prid != (PRID_COMP_MIPS | PRID_IMP_25KF)))
175 freq *= 2; 180 freq *= 2;
176 freq = freqround(freq, 5000); 181 freq = freqround(freq, 5000);
177 pr_debug("CPU frequency %d.%02d MHz\n", freq/1000000, 182 printk("CPU frequency %d.%02d MHz\n", freq/1000000,
178 (freq%1000000)*100/1000000); 183 (freq%1000000)*100/1000000);
179 cpu_khz = freq / 1000; 184 cpu_khz = freq / 1000;
180 185
181 if (gic_present) { 186 mips_scroll_message();
182 freq = freqround(gic_frequency, 5000);
183 pr_debug("GIC frequency %d.%02d MHz\n", freq/1000000,
184 (freq%1000000)*100/1000000);
185 gic_clocksource_init(gic_frequency);
186 } else
187 init_r4k_clocksource();
188 187
189#ifdef CONFIG_I8253 188#ifdef CONFIG_I8253
190 /* Only Malta has a PIT. */ 189 /* Only Malta has a PIT. */
191 setup_pit_timer(); 190 setup_pit_timer();
192#endif 191#endif
193 192
194 mips_scroll_message(); 193#ifdef CONFIG_IRQ_GIC
194 if (gic_present) {
195 freq = freqround(gic_frequency, 5000);
196 printk("GIC frequency %d.%02d MHz\n", freq/1000000,
197 (freq%1000000)*100/1000000);
198#ifdef CONFIG_CSRC_GIC
199 gic_clocksource_init(gic_frequency);
200#endif
201 }
202#endif
195 203
196 plat_perf_setup(); 204 plat_perf_setup();
197} 205}
diff --git a/arch/mips/mti-sead3/Makefile b/arch/mips/mti-sead3/Makefile
index 10ec701ce6c7..be114209217c 100644
--- a/arch/mips/mti-sead3/Makefile
+++ b/arch/mips/mti-sead3/Makefile
@@ -8,10 +8,10 @@
8# Copyright (C) 2012 MIPS Technoligies, Inc. All rights reserved. 8# Copyright (C) 2012 MIPS Technoligies, Inc. All rights reserved.
9# Steven J. Hill <sjhill@mips.com> 9# Steven J. Hill <sjhill@mips.com>
10# 10#
11obj-y := sead3-lcd.o sead3-cmdline.o \ 11obj-y := sead3-lcd.o sead3-display.o sead3-init.o \
12 sead3-display.o sead3-init.o sead3-int.o \ 12 sead3-int.o sead3-mtd.o sead3-net.o \
13 sead3-mtd.o sead3-net.o sead3-platform.o \ 13 sead3-platform.o sead3-reset.o \
14 sead3-reset.o sead3-setup.o sead3-time.o 14 sead3-setup.o sead3-time.o
15 15
16obj-y += sead3-i2c-dev.o sead3-i2c.o \ 16obj-y += sead3-i2c-dev.o sead3-i2c.o \
17 sead3-pic32-i2c-drv.o sead3-pic32-bus.o \ 17 sead3-pic32-i2c-drv.o sead3-pic32-bus.o \
diff --git a/arch/mips/mti-sead3/leds-sead3.c b/arch/mips/mti-sead3/leds-sead3.c
index 322148c353ed..0a168c948b01 100644
--- a/arch/mips/mti-sead3/leds-sead3.c
+++ b/arch/mips/mti-sead3/leds-sead3.c
@@ -34,33 +34,15 @@ static void sead3_fled_set(struct led_classdev *led_cdev,
34static struct led_classdev sead3_pled = { 34static struct led_classdev sead3_pled = {
35 .name = "sead3::pled", 35 .name = "sead3::pled",
36 .brightness_set = sead3_pled_set, 36 .brightness_set = sead3_pled_set,
37 .flags = LED_CORE_SUSPENDRESUME,
37}; 38};
38 39
39static struct led_classdev sead3_fled = { 40static struct led_classdev sead3_fled = {
40 .name = "sead3::fled", 41 .name = "sead3::fled",
41 .brightness_set = sead3_fled_set, 42 .brightness_set = sead3_fled_set,
43 .flags = LED_CORE_SUSPENDRESUME,
42}; 44};
43 45
44#ifdef CONFIG_PM
45static int sead3_led_suspend(struct platform_device *dev,
46 pm_message_t state)
47{
48 led_classdev_suspend(&sead3_pled);
49 led_classdev_suspend(&sead3_fled);
50 return 0;
51}
52
53static int sead3_led_resume(struct platform_device *dev)
54{
55 led_classdev_resume(&sead3_pled);
56 led_classdev_resume(&sead3_fled);
57 return 0;
58}
59#else
60#define sead3_led_suspend NULL
61#define sead3_led_resume NULL
62#endif
63
64static int sead3_led_probe(struct platform_device *pdev) 46static int sead3_led_probe(struct platform_device *pdev)
65{ 47{
66 int ret; 48 int ret;
@@ -86,8 +68,6 @@ static int sead3_led_remove(struct platform_device *pdev)
86static struct platform_driver sead3_led_driver = { 68static struct platform_driver sead3_led_driver = {
87 .probe = sead3_led_probe, 69 .probe = sead3_led_probe,
88 .remove = sead3_led_remove, 70 .remove = sead3_led_remove,
89 .suspend = sead3_led_suspend,
90 .resume = sead3_led_resume,
91 .driver = { 71 .driver = {
92 .name = DRVNAME, 72 .name = DRVNAME,
93 .owner = THIS_MODULE, 73 .owner = THIS_MODULE,
diff --git a/arch/mips/mti-sead3/sead3-cmdline.c b/arch/mips/mti-sead3/sead3-cmdline.c
deleted file mode 100644
index a2e6cec67f57..000000000000
--- a/arch/mips/mti-sead3/sead3-cmdline.c
+++ /dev/null
@@ -1,46 +0,0 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
7 */
8#include <linux/init.h>
9#include <linux/string.h>
10
11#include <asm/bootinfo.h>
12
13extern int prom_argc;
14extern int *_prom_argv;
15
16/*
17 * YAMON (32-bit PROM) pass arguments and environment as 32-bit pointer.
18 * This macro take care of sign extension.
19 */
20#define prom_argv(index) ((char *)(long)_prom_argv[(index)])
21
22char * __init prom_getcmdline(void)
23{
24 return &(arcs_cmdline[0]);
25}
26
27void __init prom_init_cmdline(void)
28{
29 char *cp;
30 int actr;
31
32 actr = 1; /* Always ignore argv[0] */
33
34 cp = &(arcs_cmdline[0]);
35 while (actr < prom_argc) {
36 strcpy(cp, prom_argv(actr));
37 cp += strlen(prom_argv(actr));
38 *cp++ = ' ';
39 actr++;
40 }
41 if (cp != &(arcs_cmdline[0])) {
42 /* get rid of trailing space */
43 --cp;
44 *cp = '\0';
45 }
46}
diff --git a/arch/mips/mti-sead3/sead3-console.c b/arch/mips/mti-sead3/sead3-console.c
index 2ddef19a9adc..031f47d69770 100644
--- a/arch/mips/mti-sead3/sead3-console.c
+++ b/arch/mips/mti-sead3/sead3-console.c
@@ -26,7 +26,7 @@ static inline void serial_out(int offset, int value, unsigned int base_addr)
26 __raw_writel(value, PORT(base_addr, offset)); 26 __raw_writel(value, PORT(base_addr, offset));
27} 27}
28 28
29void __init prom_init_early_console(char port) 29void __init fw_init_early_console(char port)
30{ 30{
31 console_port = port; 31 console_port = port;
32} 32}
diff --git a/arch/mips/mti-sead3/sead3-display.c b/arch/mips/mti-sead3/sead3-display.c
index e389326cfa42..94875991907b 100644
--- a/arch/mips/mti-sead3/sead3-display.c
+++ b/arch/mips/mti-sead3/sead3-display.c
@@ -8,7 +8,6 @@
8#include <linux/timer.h> 8#include <linux/timer.h>
9#include <linux/io.h> 9#include <linux/io.h>
10#include <asm/mips-boards/generic.h> 10#include <asm/mips-boards/generic.h>
11#include <asm/mips-boards/prom.h>
12 11
13static unsigned int display_count; 12static unsigned int display_count;
14static unsigned int max_display_count; 13static unsigned int max_display_count;
diff --git a/arch/mips/mti-sead3/sead3-init.c b/arch/mips/mti-sead3/sead3-init.c
index f95abaa1aa5d..bfbd17b120a2 100644
--- a/arch/mips/mti-sead3/sead3-init.c
+++ b/arch/mips/mti-sead3/sead3-init.c
@@ -12,38 +12,51 @@
12#include <asm/cacheflush.h> 12#include <asm/cacheflush.h>
13#include <asm/traps.h> 13#include <asm/traps.h>
14#include <asm/mips-boards/generic.h> 14#include <asm/mips-boards/generic.h>
15#include <asm/mips-boards/prom.h> 15#include <asm/fw/fw.h>
16
17extern void prom_init_early_console(char port);
18 16
19extern char except_vec_nmi; 17extern char except_vec_nmi;
20extern char except_vec_ejtag_debug; 18extern char except_vec_ejtag_debug;
21 19
22int prom_argc; 20#ifdef CONFIG_SERIAL_8250_CONSOLE
23int *_prom_argv, *_prom_envp; 21static void __init console_config(void)
24
25#define prom_envp(index) ((char *)(long)_prom_envp[(index)])
26
27char *prom_getenv(char *envname)
28{ 22{
29 /* 23 char console_string[40];
30 * Return a pointer to the given environment variable. 24 int baud = 0;
31 * In 64-bit mode: we're using 64-bit pointers, but all pointers 25 char parity = '\0', bits = '\0', flow = '\0';
32 * in the PROM structures are only 32-bit, so we need some 26 char *s;
33 * workarounds, if we are running in 64-bit mode. 27
34 */ 28 if ((strstr(fw_getcmdline(), "console=")) == NULL) {
35 int i, index = 0; 29 s = fw_getenv("modetty0");
36 30 if (s) {
37 i = strlen(envname); 31 while (*s >= '0' && *s <= '9')
38 32 baud = baud*10 + *s++ - '0';
39 while (prom_envp(index)) { 33 if (*s == ',')
40 if (strncmp(envname, prom_envp(index), i) == 0) 34 s++;
41 return prom_envp(index+1); 35 if (*s)
42 index += 2; 36 parity = *s++;
37 if (*s == ',')
38 s++;
39 if (*s)
40 bits = *s++;
41 if (*s == ',')
42 s++;
43 if (*s == 'h')
44 flow = 'r';
45 }
46 if (baud == 0)
47 baud = 38400;
48 if (parity != 'n' && parity != 'o' && parity != 'e')
49 parity = 'n';
50 if (bits != '7' && bits != '8')
51 bits = '8';
52 if (flow == '\0')
53 flow = 'r';
54 sprintf(console_string, " console=ttyS0,%d%c%c%c", baud,
55 parity, bits, flow);
56 strcat(fw_getcmdline(), console_string);
43 } 57 }
44
45 return NULL;
46} 58}
59#endif
47 60
48static void __init mips_nmi_setup(void) 61static void __init mips_nmi_setup(void)
49{ 62{
@@ -52,7 +65,41 @@ static void __init mips_nmi_setup(void)
52 base = cpu_has_veic ? 65 base = cpu_has_veic ?
53 (void *)(CAC_BASE + 0xa80) : 66 (void *)(CAC_BASE + 0xa80) :
54 (void *)(CAC_BASE + 0x380); 67 (void *)(CAC_BASE + 0x380);
68#ifdef CONFIG_CPU_MICROMIPS
69 /*
70 * Decrement the exception vector address by one for microMIPS.
71 */
72 memcpy(base, (&except_vec_nmi - 1), 0x80);
73
74 /*
75 * This is a hack. We do not know if the boot loader was built with
76 * microMIPS instructions or not. If it was not, the NMI exception
77 * code at 0x80000a80 will be taken in MIPS32 mode. The hand coded
78 * assembly below forces us into microMIPS mode if we are a pure
79 * microMIPS kernel. The assembly instructions are:
80 *
81 * 3C1A8000 lui k0,0x8000
82 * 375A0381 ori k0,k0,0x381
83 * 03400008 jr k0
84 * 00000000 nop
85 *
86 * The mode switch occurs by jumping to the unaligned exception
87 * vector address at 0x80000381 which would have been 0x80000380
88 * in MIPS32 mode. The jump to the unaligned address transitions
89 * us into microMIPS mode.
90 */
91 if (!cpu_has_veic) {
92 void *base2 = (void *)(CAC_BASE + 0xa80);
93 *((unsigned int *)base2) = 0x3c1a8000;
94 *((unsigned int *)base2 + 1) = 0x375a0381;
95 *((unsigned int *)base2 + 2) = 0x03400008;
96 *((unsigned int *)base2 + 3) = 0x00000000;
97 flush_icache_range((unsigned long)base2,
98 (unsigned long)base2 + 0x10);
99 }
100#else
55 memcpy(base, &except_vec_nmi, 0x80); 101 memcpy(base, &except_vec_nmi, 0x80);
102#endif
56 flush_icache_range((unsigned long)base, (unsigned long)base + 0x80); 103 flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
57} 104}
58 105
@@ -63,29 +110,40 @@ static void __init mips_ejtag_setup(void)
63 base = cpu_has_veic ? 110 base = cpu_has_veic ?
64 (void *)(CAC_BASE + 0xa00) : 111 (void *)(CAC_BASE + 0xa00) :
65 (void *)(CAC_BASE + 0x300); 112 (void *)(CAC_BASE + 0x300);
113#ifdef CONFIG_CPU_MICROMIPS
114 /* Deja vu... */
115 memcpy(base, (&except_vec_ejtag_debug - 1), 0x80);
116 if (!cpu_has_veic) {
117 void *base2 = (void *)(CAC_BASE + 0xa00);
118 *((unsigned int *)base2) = 0x3c1a8000;
119 *((unsigned int *)base2 + 1) = 0x375a0301;
120 *((unsigned int *)base2 + 2) = 0x03400008;
121 *((unsigned int *)base2 + 3) = 0x00000000;
122 flush_icache_range((unsigned long)base2,
123 (unsigned long)base2 + 0x10);
124 }
125#else
66 memcpy(base, &except_vec_ejtag_debug, 0x80); 126 memcpy(base, &except_vec_ejtag_debug, 0x80);
127#endif
67 flush_icache_range((unsigned long)base, (unsigned long)base + 0x80); 128 flush_icache_range((unsigned long)base, (unsigned long)base + 0x80);
68} 129}
69 130
70void __init prom_init(void) 131void __init prom_init(void)
71{ 132{
72 prom_argc = fw_arg0;
73 _prom_argv = (int *) fw_arg1;
74 _prom_envp = (int *) fw_arg2;
75
76 board_nmi_handler_setup = mips_nmi_setup; 133 board_nmi_handler_setup = mips_nmi_setup;
77 board_ejtag_handler_setup = mips_ejtag_setup; 134 board_ejtag_handler_setup = mips_ejtag_setup;
78 135
79 prom_init_cmdline(); 136 fw_init_cmdline();
80#ifdef CONFIG_EARLY_PRINTK 137#ifdef CONFIG_EARLY_PRINTK
81 if ((strstr(prom_getcmdline(), "console=ttyS0")) != NULL) 138 if ((strstr(fw_getcmdline(), "console=ttyS0")) != NULL)
82 prom_init_early_console(0); 139 fw_init_early_console(0);
83 else if ((strstr(prom_getcmdline(), "console=ttyS1")) != NULL) 140 else if ((strstr(fw_getcmdline(), "console=ttyS1")) != NULL)
84 prom_init_early_console(1); 141 fw_init_early_console(1);
85#endif 142#endif
86#ifdef CONFIG_SERIAL_8250_CONSOLE 143#ifdef CONFIG_SERIAL_8250_CONSOLE
87 if ((strstr(prom_getcmdline(), "console=")) == NULL) 144 if ((strstr(fw_getcmdline(), "console=")) == NULL)
88 strcat(prom_getcmdline(), " console=ttyS0,38400n8r"); 145 strcat(fw_getcmdline(), " console=ttyS0,38400n8r");
146 console_config();
89#endif 147#endif
90} 148}
91 149
diff --git a/arch/mips/mti-sead3/sead3-int.c b/arch/mips/mti-sead3/sead3-int.c
index e26e08274fc5..6a560ac03def 100644
--- a/arch/mips/mti-sead3/sead3-int.c
+++ b/arch/mips/mti-sead3/sead3-int.c
@@ -20,7 +20,6 @@
20#define SEAD_CONFIG_BASE 0x1b100110 20#define SEAD_CONFIG_BASE 0x1b100110
21#define SEAD_CONFIG_SIZE 4 21#define SEAD_CONFIG_SIZE 4
22 22
23int gic_present;
24static unsigned long sead3_config_reg; 23static unsigned long sead3_config_reg;
25 24
26/* 25/*
diff --git a/arch/mips/mti-sead3/sead3-setup.c b/arch/mips/mti-sead3/sead3-setup.c
index f012fd164cee..b5059dc899f4 100644
--- a/arch/mips/mti-sead3/sead3-setup.c
+++ b/arch/mips/mti-sead3/sead3-setup.c
@@ -11,10 +11,6 @@
11#include <linux/bootmem.h> 11#include <linux/bootmem.h>
12 12
13#include <asm/mips-boards/generic.h> 13#include <asm/mips-boards/generic.h>
14#include <asm/prom.h>
15
16int coherentio; /* 0 => no DMA cache coherency (may be set by user) */
17int hw_coherentio; /* 0 => no HW DMA cache coherency (reflects real HW) */
18 14
19const char *get_system_type(void) 15const char *get_system_type(void)
20{ 16{
diff --git a/arch/mips/mti-sead3/sead3-time.c b/arch/mips/mti-sead3/sead3-time.c
index 239e4e32757f..96b42eb9b5e2 100644
--- a/arch/mips/mti-sead3/sead3-time.c
+++ b/arch/mips/mti-sead3/sead3-time.c
@@ -11,7 +11,6 @@
11#include <asm/time.h> 11#include <asm/time.h>
12#include <asm/irq.h> 12#include <asm/irq.h>
13#include <asm/mips-boards/generic.h> 13#include <asm/mips-boards/generic.h>
14#include <asm/mips-boards/prom.h>
15 14
16unsigned long cpu_khz; 15unsigned long cpu_khz;
17 16
diff --git a/arch/mips/powertv/init.c b/arch/mips/powertv/init.c
index 5bd9d8f468cc..a01baff52cae 100644
--- a/arch/mips/powertv/init.c
+++ b/arch/mips/powertv/init.c
@@ -29,10 +29,11 @@
29#include <asm/cacheflush.h> 29#include <asm/cacheflush.h>
30#include <asm/traps.h> 30#include <asm/traps.h>
31 31
32#include <asm/mips-boards/prom.h>
33#include <asm/mips-boards/generic.h> 32#include <asm/mips-boards/generic.h>
34#include <asm/mach-powertv/asic.h> 33#include <asm/mach-powertv/asic.h>
35 34
35#include "init.h"
36
36static int *_prom_envp; 37static int *_prom_envp;
37unsigned long _prom_memsize; 38unsigned long _prom_memsize;
38 39
diff --git a/arch/mips/powertv/init.h b/arch/mips/powertv/init.h
index b194c34ca966..c1a8bd0dbe4b 100644
--- a/arch/mips/powertv/init.h
+++ b/arch/mips/powertv/init.h
@@ -23,4 +23,6 @@
23#ifndef _POWERTV_INIT_H 23#ifndef _POWERTV_INIT_H
24#define _POWERTV_INIT_H 24#define _POWERTV_INIT_H
25extern unsigned long _prom_memsize; 25extern unsigned long _prom_memsize;
26extern void prom_meminit(void);
27extern char *prom_getenv(char *name);
26#endif 28#endif
diff --git a/arch/mips/powertv/memory.c b/arch/mips/powertv/memory.c
index 6e5f1bdc59b5..bc2f3ca22b41 100644
--- a/arch/mips/powertv/memory.c
+++ b/arch/mips/powertv/memory.c
@@ -29,7 +29,6 @@
29#include <asm/page.h> 29#include <asm/page.h>
30#include <asm/sections.h> 30#include <asm/sections.h>
31 31
32#include <asm/mips-boards/prom.h>
33#include <asm/mach-powertv/asic.h> 32#include <asm/mach-powertv/asic.h>
34#include <asm/mach-powertv/ioremap.h> 33#include <asm/mach-powertv/ioremap.h>
35 34
diff --git a/arch/mips/powertv/powertv_setup.c b/arch/mips/powertv/powertv_setup.c
index 820b8480f222..24689bff1039 100644
--- a/arch/mips/powertv/powertv_setup.c
+++ b/arch/mips/powertv/powertv_setup.c
@@ -31,7 +31,6 @@
31#include <asm/bootinfo.h> 31#include <asm/bootinfo.h>
32#include <asm/irq.h> 32#include <asm/irq.h>
33#include <asm/mips-boards/generic.h> 33#include <asm/mips-boards/generic.h>
34#include <asm/mips-boards/prom.h>
35#include <asm/dma.h> 34#include <asm/dma.h>
36#include <asm/asm.h> 35#include <asm/asm.h>
37#include <asm/traps.h> 36#include <asm/traps.h>
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-03 23:35:56 -0500