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-rw-r--r--arch/microblaze/Kconfig51
-rw-r--r--arch/microblaze/Kconfig.debug1
-rw-r--r--arch/microblaze/Makefile2
-rw-r--r--arch/microblaze/boot/Makefile11
-rw-r--r--arch/microblaze/configs/mmu_defconfig842
-rw-r--r--arch/microblaze/configs/nommu_defconfig849
-rw-r--r--arch/microblaze/include/asm/cacheflush.h18
-rw-r--r--arch/microblaze/include/asm/dma-mapping.h12
-rw-r--r--arch/microblaze/include/asm/elf.h2
-rw-r--r--arch/microblaze/include/asm/exceptions.h21
-rw-r--r--arch/microblaze/include/asm/irq.h24
-rw-r--r--arch/microblaze/include/asm/kgdb.h28
-rw-r--r--arch/microblaze/include/asm/local64.h1
-rw-r--r--arch/microblaze/include/asm/of_device.h44
-rw-r--r--arch/microblaze/include/asm/of_platform.h54
-rw-r--r--arch/microblaze/include/asm/page.h21
-rw-r--r--arch/microblaze/include/asm/pci-bridge.h5
-rw-r--r--arch/microblaze/include/asm/prom.h115
-rw-r--r--arch/microblaze/include/asm/pvr.h2
-rw-r--r--arch/microblaze/include/asm/scatterlist.h2
-rw-r--r--arch/microblaze/include/asm/setup.h2
-rw-r--r--arch/microblaze/include/asm/system.h4
-rw-r--r--arch/microblaze/include/asm/topology.h10
-rw-r--r--arch/microblaze/include/asm/uaccess.h4
-rw-r--r--arch/microblaze/include/asm/unwind.h29
-rw-r--r--arch/microblaze/kernel/Makefile7
-rw-r--r--arch/microblaze/kernel/cpu/mb.c1
-rw-r--r--arch/microblaze/kernel/entry-nommu.S28
-rw-r--r--arch/microblaze/kernel/entry.S607
-rw-r--r--arch/microblaze/kernel/exceptions.c9
-rw-r--r--arch/microblaze/kernel/head.S4
-rw-r--r--arch/microblaze/kernel/hw_exception_handler.S4
-rw-r--r--arch/microblaze/kernel/irq.c16
-rw-r--r--arch/microblaze/kernel/kgdb.c147
-rw-r--r--arch/microblaze/kernel/misc.S2
-rw-r--r--arch/microblaze/kernel/of_device.c112
-rw-r--r--arch/microblaze/kernel/of_platform.c200
-rw-r--r--arch/microblaze/kernel/process.c7
-rw-r--r--arch/microblaze/kernel/prom_parse.c877
-rw-r--r--arch/microblaze/kernel/ptrace.c17
-rw-r--r--arch/microblaze/kernel/reset.c12
-rw-r--r--arch/microblaze/kernel/setup.c6
-rw-r--r--arch/microblaze/kernel/stacktrace.c44
-rw-r--r--arch/microblaze/kernel/sys_microblaze.c2
-rw-r--r--arch/microblaze/kernel/timer.c24
-rw-r--r--arch/microblaze/kernel/traps.c91
-rw-r--r--arch/microblaze/kernel/unwind.c318
-rw-r--r--arch/microblaze/kernel/vmlinux.lds.S16
-rw-r--r--arch/microblaze/mm/fault.c16
-rw-r--r--arch/microblaze/mm/init.c7
50 files changed, 1007 insertions, 3721 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig
index 0c5f43728a71..44b4b76d7eca 100644
--- a/arch/microblaze/Kconfig
+++ b/arch/microblaze/Kconfig
@@ -9,9 +9,12 @@ config MICROBLAZE
9 select USB_ARCH_HAS_EHCI 9 select USB_ARCH_HAS_EHCI
10 select ARCH_WANT_OPTIONAL_GPIOLIB 10 select ARCH_WANT_OPTIONAL_GPIOLIB
11 select HAVE_OPROFILE 11 select HAVE_OPROFILE
12 select HAVE_ARCH_KGDB
12 select HAVE_DMA_ATTRS 13 select HAVE_DMA_ATTRS
13 select HAVE_DMA_API_DEBUG 14 select HAVE_DMA_API_DEBUG
14 select TRACING_SUPPORT 15 select TRACING_SUPPORT
16 select OF
17 select OF_FLATTREE
15 18
16config SWAP 19config SWAP
17 def_bool n 20 def_bool n
@@ -43,9 +46,6 @@ config GENERIC_IRQ_PROBE
43config GENERIC_CALIBRATE_DELAY 46config GENERIC_CALIBRATE_DELAY
44 def_bool y 47 def_bool y
45 48
46config GENERIC_TIME
47 def_bool y
48
49config GENERIC_TIME_VSYSCALL 49config GENERIC_TIME_VSYSCALL
50 def_bool n 50 def_bool n
51 51
@@ -70,9 +70,6 @@ config LOCKDEP_SUPPORT
70config HAVE_LATENCYTOP_SUPPORT 70config HAVE_LATENCYTOP_SUPPORT
71 def_bool y 71 def_bool y
72 72
73config DTC
74 def_bool y
75
76source "init/Kconfig" 73source "init/Kconfig"
77 74
78source "kernel/Kconfig.freezer" 75source "kernel/Kconfig.freezer"
@@ -119,18 +116,6 @@ config CMDLINE_FORCE
119 Set this to have arguments from the default kernel command string 116 Set this to have arguments from the default kernel command string
120 override those passed by the boot loader. 117 override those passed by the boot loader.
121 118
122config OF
123 def_bool y
124 select OF_FLATTREE
125
126config PROC_DEVICETREE
127 bool "Support for device tree in /proc"
128 depends on PROC_FS
129 help
130 This option adds a device-tree directory under /proc which contains
131 an image of the device tree that the kernel copies from Open
132 Firmware or other boot firmware. If unsure, say Y here.
133
134endmenu 119endmenu
135 120
136menu "Advanced setup" 121menu "Advanced setup"
@@ -218,6 +203,36 @@ config TASK_SIZE
218 hex "Size of user task space" if TASK_SIZE_BOOL 203 hex "Size of user task space" if TASK_SIZE_BOOL
219 default "0x80000000" 204 default "0x80000000"
220 205
206choice
207 prompt "Page size"
208 default MICROBLAZE_4K_PAGES
209 depends on ADVANCED_OPTIONS && !MMU
210 help
211 Select the kernel logical page size. Increasing the page size
212 will reduce software overhead at each page boundary, allow
213 hardware prefetch mechanisms to be more effective, and allow
214 larger dma transfers increasing IO efficiency and reducing
215 overhead. However the utilization of memory will increase.
216 For example, each cached file will using a multiple of the
217 page size to hold its contents and the difference between the
218 end of file and the end of page is wasted.
219
220 If unsure, choose 4K_PAGES.
221
222config MICROBLAZE_4K_PAGES
223 bool "4k page size"
224
225config MICROBLAZE_8K_PAGES
226 bool "8k page size"
227
228config MICROBLAZE_16K_PAGES
229 bool "16k page size"
230
231config MICROBLAZE_32K_PAGES
232 bool "32k page size"
233
234endchoice
235
221endmenu 236endmenu
222 237
223source "mm/Kconfig" 238source "mm/Kconfig"
diff --git a/arch/microblaze/Kconfig.debug b/arch/microblaze/Kconfig.debug
index 9dc708a7f700..e6e5e0da28c3 100644
--- a/arch/microblaze/Kconfig.debug
+++ b/arch/microblaze/Kconfig.debug
@@ -10,6 +10,7 @@ source "lib/Kconfig.debug"
10 10
11config EARLY_PRINTK 11config EARLY_PRINTK
12 bool "Early printk function for kernel" 12 bool "Early printk function for kernel"
13 depends on SERIAL_UARTLITE_CONSOLE
13 default n 14 default n
14 help 15 help
15 This option turns on/off early printk messages to console. 16 This option turns on/off early printk messages to console.
diff --git a/arch/microblaze/Makefile b/arch/microblaze/Makefile
index 72f6e8583746..592c7079de88 100644
--- a/arch/microblaze/Makefile
+++ b/arch/microblaze/Makefile
@@ -25,7 +25,7 @@ ifeq (,$(findstring spartan2,$(CONFIG_XILINX_MICROBLAZE0_FAMILY)))
25 ifeq ($(CPU_MAJOR),3) 25 ifeq ($(CPU_MAJOR),3)
26 CPUFLAGS-1 += -mno-xl-soft-mul 26 CPUFLAGS-1 += -mno-xl-soft-mul
27 else 27 else
28 # USE_HW_MUL can be 0, 1, or 2, defining a heirarchy of HW Mul support. 28 # USE_HW_MUL can be 0, 1, or 2, defining a hierarchy of HW Mul support.
29 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high 29 CPUFLAGS-$(subst 1,,$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL)) += -mxl-multiply-high
30 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul 30 CPUFLAGS-$(CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL) += -mno-xl-soft-mul
31 endif 31 endif
diff --git a/arch/microblaze/boot/Makefile b/arch/microblaze/boot/Makefile
index 57f50c2371c6..be01d78750d9 100644
--- a/arch/microblaze/boot/Makefile
+++ b/arch/microblaze/boot/Makefile
@@ -35,13 +35,14 @@ quiet_cmd_cp = CP $< $@$2
35 cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false) 35 cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
36 36
37quiet_cmd_strip = STRIP $@ 37quiet_cmd_strip = STRIP $@
38 cmd_strip = $(STRIP) -K _start -K _end -K __log_buf -K _fdt_start vmlinux -o $@ 38 cmd_strip = $(STRIP) -K microblaze_start -K _end -K __log_buf \
39 -K _fdt_start vmlinux -o $@
39 40
40quiet_cmd_uimage = UIMAGE $@.ub 41quiet_cmd_uimage = UIMAGE $@.ub
41 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A microblaze -O linux -T kernel \ 42 cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A microblaze -O linux -T kernel \
42 -C none -n 'Linux-$(KERNELRELEASE)' \ 43 -C none -n 'Linux-$(KERNELRELEASE)' \
43 -a $(CONFIG_KERNEL_BASE_ADDR) -e $(CONFIG_KERNEL_BASE_ADDR) \ 44 -a $(CONFIG_KERNEL_BASE_ADDR) -e $(CONFIG_KERNEL_BASE_ADDR) \
44 -d $@ $@.ub 45 -d $@ $@.ub
45 46
46$(obj)/simpleImage.%: vmlinux FORCE 47$(obj)/simpleImage.%: vmlinux FORCE
47 $(call if_changed,cp,.unstrip) 48 $(call if_changed,cp,.unstrip)
diff --git a/arch/microblaze/configs/mmu_defconfig b/arch/microblaze/configs/mmu_defconfig
index 3c91cf6192c6..8b422b12ef78 100644
--- a/arch/microblaze/configs/mmu_defconfig
+++ b/arch/microblaze/configs/mmu_defconfig
@@ -1,910 +1,70 @@
1#
2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.34-rc6
4# Thu May 6 11:22:14 2010
5#
6CONFIG_MICROBLAZE=y
7# CONFIG_SWAP is not set
8CONFIG_RWSEM_GENERIC_SPINLOCK=y
9# CONFIG_ARCH_HAS_ILOG2_U32 is not set
10# CONFIG_ARCH_HAS_ILOG2_U64 is not set
11CONFIG_GENERIC_FIND_NEXT_BIT=y
12CONFIG_GENERIC_HWEIGHT=y
13CONFIG_GENERIC_HARDIRQS=y
14CONFIG_GENERIC_IRQ_PROBE=y
15CONFIG_GENERIC_CALIBRATE_DELAY=y
16CONFIG_GENERIC_TIME=y
17# CONFIG_GENERIC_TIME_VSYSCALL is not set
18CONFIG_GENERIC_CLOCKEVENTS=y
19CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
20CONFIG_GENERIC_GPIO=y
21CONFIG_GENERIC_CSUM=y
22CONFIG_STACKTRACE_SUPPORT=y
23CONFIG_LOCKDEP_SUPPORT=y
24CONFIG_HAVE_LATENCYTOP_SUPPORT=y
25CONFIG_DTC=y
26CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
27CONFIG_CONSTRUCTORS=y
28
29#
30# General setup
31#
32CONFIG_EXPERIMENTAL=y 1CONFIG_EXPERIMENTAL=y
33CONFIG_BROKEN_ON_SMP=y
34CONFIG_INIT_ENV_ARG_LIMIT=32
35CONFIG_LOCALVERSION=""
36CONFIG_LOCALVERSION_AUTO=y
37CONFIG_SYSVIPC=y 2CONFIG_SYSVIPC=y
38CONFIG_SYSVIPC_SYSCTL=y
39# CONFIG_POSIX_MQUEUE is not set
40# CONFIG_BSD_PROCESS_ACCT is not set
41# CONFIG_TASKSTATS is not set
42# CONFIG_AUDIT is not set
43
44#
45# RCU Subsystem
46#
47CONFIG_TREE_RCU=y
48# CONFIG_TREE_PREEMPT_RCU is not set
49# CONFIG_TINY_RCU is not set
50# CONFIG_RCU_TRACE is not set
51CONFIG_RCU_FANOUT=32
52# CONFIG_RCU_FANOUT_EXACT is not set
53# CONFIG_TREE_RCU_TRACE is not set
54CONFIG_IKCONFIG=y 3CONFIG_IKCONFIG=y
55CONFIG_IKCONFIG_PROC=y 4CONFIG_IKCONFIG_PROC=y
56CONFIG_LOG_BUF_SHIFT=17
57# CONFIG_CGROUPS is not set
58CONFIG_SYSFS_DEPRECATED=y
59CONFIG_SYSFS_DEPRECATED_V2=y 5CONFIG_SYSFS_DEPRECATED_V2=y
60# CONFIG_RELAY is not set
61# CONFIG_NAMESPACES is not set
62CONFIG_BLK_DEV_INITRD=y 6CONFIG_BLK_DEV_INITRD=y
63CONFIG_INITRAMFS_SOURCE="rootfs.cpio" 7CONFIG_INITRAMFS_SOURCE="rootfs.cpio"
64CONFIG_INITRAMFS_ROOT_UID=0
65CONFIG_INITRAMFS_ROOT_GID=0
66CONFIG_RD_GZIP=y
67# CONFIG_RD_BZIP2 is not set
68# CONFIG_RD_LZMA is not set
69# CONFIG_RD_LZO is not set
70# CONFIG_INITRAMFS_COMPRESSION_NONE is not set
71CONFIG_INITRAMFS_COMPRESSION_GZIP=y 8CONFIG_INITRAMFS_COMPRESSION_GZIP=y
72# CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set
73# CONFIG_INITRAMFS_COMPRESSION_LZMA is not set
74# CONFIG_INITRAMFS_COMPRESSION_LZO is not set
75# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set 9# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
76CONFIG_SYSCTL=y
77CONFIG_ANON_INODES=y
78CONFIG_EMBEDDED=y 10CONFIG_EMBEDDED=y
79CONFIG_SYSCTL_SYSCALL=y
80CONFIG_KALLSYMS=y
81CONFIG_KALLSYMS_ALL=y 11CONFIG_KALLSYMS_ALL=y
82CONFIG_KALLSYMS_EXTRA_PASS=y 12CONFIG_KALLSYMS_EXTRA_PASS=y
83# CONFIG_HOTPLUG is not set 13# CONFIG_HOTPLUG is not set
84CONFIG_PRINTK=y
85CONFIG_BUG=y
86CONFIG_ELF_CORE=y
87# CONFIG_BASE_FULL is not set 14# CONFIG_BASE_FULL is not set
88# CONFIG_FUTEX is not set 15# CONFIG_FUTEX is not set
89# CONFIG_EPOLL is not set 16# CONFIG_EPOLL is not set
90# CONFIG_SIGNALFD is not set 17# CONFIG_SIGNALFD is not set
91CONFIG_TIMERFD=y
92CONFIG_EVENTFD=y
93# CONFIG_SHMEM is not set 18# CONFIG_SHMEM is not set
94CONFIG_AIO=y
95
96#
97# Kernel Performance Events And Counters
98#
99CONFIG_VM_EVENT_COUNTERS=y
100CONFIG_COMPAT_BRK=y
101CONFIG_SLAB=y 19CONFIG_SLAB=y
102# CONFIG_SLUB is not set
103# CONFIG_SLOB is not set
104# CONFIG_PROFILING is not set
105CONFIG_HAVE_OPROFILE=y
106CONFIG_HAVE_DMA_ATTRS=y
107CONFIG_HAVE_DMA_API_DEBUG=y
108
109#
110# GCOV-based kernel profiling
111#
112CONFIG_SLOW_WORK=y
113# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
114CONFIG_SLABINFO=y
115CONFIG_BASE_SMALL=1
116CONFIG_MODULES=y 20CONFIG_MODULES=y
117# CONFIG_MODULE_FORCE_LOAD is not set
118CONFIG_MODULE_UNLOAD=y 21CONFIG_MODULE_UNLOAD=y
119# CONFIG_MODULE_FORCE_UNLOAD is not set
120# CONFIG_MODVERSIONS is not set
121# CONFIG_MODULE_SRCVERSION_ALL is not set
122CONFIG_BLOCK=y
123CONFIG_LBDAF=y
124# CONFIG_BLK_DEV_BSG is not set 22# CONFIG_BLK_DEV_BSG is not set
125# CONFIG_BLK_DEV_INTEGRITY is not set
126
127#
128# IO Schedulers
129#
130CONFIG_IOSCHED_NOOP=y
131CONFIG_IOSCHED_DEADLINE=y
132CONFIG_IOSCHED_CFQ=y
133# CONFIG_DEFAULT_DEADLINE is not set
134CONFIG_DEFAULT_CFQ=y
135# CONFIG_DEFAULT_NOOP is not set
136CONFIG_DEFAULT_IOSCHED="cfq"
137# CONFIG_INLINE_SPIN_TRYLOCK is not set
138# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
139# CONFIG_INLINE_SPIN_LOCK is not set
140# CONFIG_INLINE_SPIN_LOCK_BH is not set
141# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
142# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
143# CONFIG_INLINE_SPIN_UNLOCK is not set
144# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
145# CONFIG_INLINE_SPIN_UNLOCK_IRQ is not set
146# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
147# CONFIG_INLINE_READ_TRYLOCK is not set
148# CONFIG_INLINE_READ_LOCK is not set
149# CONFIG_INLINE_READ_LOCK_BH is not set
150# CONFIG_INLINE_READ_LOCK_IRQ is not set
151# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
152# CONFIG_INLINE_READ_UNLOCK is not set
153# CONFIG_INLINE_READ_UNLOCK_BH is not set
154# CONFIG_INLINE_READ_UNLOCK_IRQ is not set
155# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
156# CONFIG_INLINE_WRITE_TRYLOCK is not set
157# CONFIG_INLINE_WRITE_LOCK is not set
158# CONFIG_INLINE_WRITE_LOCK_BH is not set
159# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
160# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
161# CONFIG_INLINE_WRITE_UNLOCK is not set
162# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
163# CONFIG_INLINE_WRITE_UNLOCK_IRQ is not set
164# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
165# CONFIG_MUTEX_SPIN_ON_OWNER is not set
166# CONFIG_FREEZER is not set
167
168#
169# Platform options
170#
171CONFIG_PLATFORM_GENERIC=y
172CONFIG_OPT_LIB_FUNCTION=y
173CONFIG_OPT_LIB_ASM=y 23CONFIG_OPT_LIB_ASM=y
174
175#
176# Definitions for MICROBLAZE0
177#
178CONFIG_KERNEL_BASE_ADDR=0x90000000
179CONFIG_XILINX_MICROBLAZE0_FAMILY="virtex5"
180CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1 24CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1
181CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1 25CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1
182CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1 26CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1
183CONFIG_XILINX_MICROBLAZE0_USE_DIV=1 27CONFIG_XILINX_MICROBLAZE0_USE_DIV=1
184CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL=2 28CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL=2
185CONFIG_XILINX_MICROBLAZE0_USE_FPU=2 29CONFIG_XILINX_MICROBLAZE0_USE_FPU=2
186CONFIG_XILINX_MICROBLAZE0_HW_VER="7.10.d"
187
188#
189# Processor type and features
190#
191# CONFIG_NO_HZ is not set
192# CONFIG_HIGH_RES_TIMERS is not set
193CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
194CONFIG_PREEMPT_NONE=y
195# CONFIG_PREEMPT_VOLUNTARY is not set
196# CONFIG_PREEMPT is not set
197CONFIG_HZ_100=y 30CONFIG_HZ_100=y
198# CONFIG_HZ_250 is not set
199# CONFIG_HZ_300 is not set
200# CONFIG_HZ_1000 is not set
201CONFIG_HZ=100
202# CONFIG_SCHED_HRTICK is not set
203CONFIG_MMU=y 31CONFIG_MMU=y
204
205#
206# Boot options
207#
208CONFIG_CMDLINE_BOOL=y 32CONFIG_CMDLINE_BOOL=y
209CONFIG_CMDLINE="console=ttyUL0,115200"
210CONFIG_CMDLINE_FORCE=y 33CONFIG_CMDLINE_FORCE=y
211CONFIG_OF=y
212CONFIG_PROC_DEVICETREE=y
213
214#
215# Advanced setup
216#
217# CONFIG_ADVANCED_OPTIONS is not set
218
219#
220# Default settings for advanced configuration options are used
221#
222CONFIG_HIGHMEM_START=0xfe000000
223CONFIG_LOWMEM_SIZE=0x30000000
224CONFIG_KERNEL_START=0xc0000000
225CONFIG_TASK_SIZE=0x80000000
226CONFIG_SELECT_MEMORY_MODEL=y
227CONFIG_FLATMEM_MANUAL=y
228# CONFIG_DISCONTIGMEM_MANUAL is not set
229# CONFIG_SPARSEMEM_MANUAL is not set
230CONFIG_FLATMEM=y
231CONFIG_FLAT_NODE_MEM_MAP=y
232CONFIG_PAGEFLAGS_EXTENDED=y
233CONFIG_SPLIT_PTLOCK_CPUS=999999
234# CONFIG_PHYS_ADDR_T_64BIT is not set
235CONFIG_ZONE_DMA_FLAG=0
236CONFIG_VIRT_TO_BUS=y
237# CONFIG_KSM is not set
238CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
239
240#
241# Exectuable file formats
242#
243CONFIG_BINFMT_ELF=y
244# CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS is not set
245# CONFIG_HAVE_AOUT is not set
246# CONFIG_BINFMT_MISC is not set
247
248#
249# Bus Options
250#
251# CONFIG_PCI is not set
252# CONFIG_PCI_DOMAINS is not set
253# CONFIG_PCI_SYSCALL is not set
254# CONFIG_ARCH_SUPPORTS_MSI is not set
255CONFIG_NET=y 34CONFIG_NET=y
256
257#
258# Networking options
259#
260CONFIG_PACKET=y 35CONFIG_PACKET=y
261CONFIG_UNIX=y 36CONFIG_UNIX=y
262CONFIG_XFRM=y
263# CONFIG_XFRM_USER is not set
264# CONFIG_XFRM_SUB_POLICY is not set
265# CONFIG_XFRM_MIGRATE is not set
266# CONFIG_XFRM_STATISTICS is not set
267# CONFIG_NET_KEY is not set
268CONFIG_INET=y 37CONFIG_INET=y
269# CONFIG_IP_MULTICAST is not set
270# CONFIG_IP_ADVANCED_ROUTER is not set
271CONFIG_IP_FIB_HASH=y
272# CONFIG_IP_PNP is not set
273# CONFIG_NET_IPIP is not set
274# CONFIG_NET_IPGRE is not set
275# CONFIG_ARPD is not set
276# CONFIG_SYN_COOKIES is not set
277# CONFIG_INET_AH is not set
278# CONFIG_INET_ESP is not set
279# CONFIG_INET_IPCOMP is not set
280# CONFIG_INET_XFRM_TUNNEL is not set
281# CONFIG_INET_TUNNEL is not set
282CONFIG_INET_XFRM_MODE_TRANSPORT=y
283CONFIG_INET_XFRM_MODE_TUNNEL=y
284CONFIG_INET_XFRM_MODE_BEET=y
285# CONFIG_INET_LRO is not set 38# CONFIG_INET_LRO is not set
286CONFIG_INET_DIAG=y
287CONFIG_INET_TCP_DIAG=y
288# CONFIG_TCP_CONG_ADVANCED is not set
289CONFIG_TCP_CONG_CUBIC=y
290CONFIG_DEFAULT_TCP_CONG="cubic"
291# CONFIG_TCP_MD5SIG is not set
292# CONFIG_IPV6 is not set 39# CONFIG_IPV6 is not set
293# CONFIG_NETWORK_SECMARK is not set 40CONFIG_PROC_DEVICETREE=y
294# CONFIG_NETFILTER is not set
295# CONFIG_IP_DCCP is not set
296# CONFIG_IP_SCTP is not set
297# CONFIG_RDS is not set
298# CONFIG_TIPC is not set
299# CONFIG_ATM is not set
300# CONFIG_BRIDGE is not set
301# CONFIG_NET_DSA is not set
302# CONFIG_VLAN_8021Q is not set
303# CONFIG_DECNET is not set
304# CONFIG_LLC2 is not set
305# CONFIG_IPX is not set
306# CONFIG_ATALK is not set
307# CONFIG_X25 is not set
308# CONFIG_LAPB is not set
309# CONFIG_ECONET is not set
310# CONFIG_WAN_ROUTER is not set
311# CONFIG_PHONET is not set
312# CONFIG_IEEE802154 is not set
313# CONFIG_NET_SCHED is not set
314# CONFIG_DCB is not set
315
316#
317# Network testing
318#
319# CONFIG_NET_PKTGEN is not set
320# CONFIG_HAMRADIO is not set
321# CONFIG_CAN is not set
322# CONFIG_IRDA is not set
323# CONFIG_BT is not set
324# CONFIG_AF_RXRPC is not set
325CONFIG_WIRELESS=y
326# CONFIG_CFG80211 is not set
327# CONFIG_LIB80211 is not set
328
329#
330# CFG80211 needs to be enabled for MAC80211
331#
332# CONFIG_WIMAX is not set
333# CONFIG_RFKILL is not set
334# CONFIG_NET_9P is not set
335
336#
337# Device Drivers
338#
339
340#
341# Generic Driver Options
342#
343CONFIG_STANDALONE=y
344CONFIG_PREVENT_FIRMWARE_BUILD=y
345# CONFIG_DEBUG_DRIVER is not set
346# CONFIG_DEBUG_DEVRES is not set
347# CONFIG_SYS_HYPERVISOR is not set
348# CONFIG_CONNECTOR is not set
349# CONFIG_MTD is not set
350CONFIG_OF_FLATTREE=y
351CONFIG_OF_DEVICE=y
352CONFIG_OF_MDIO=y
353# CONFIG_PARPORT is not set
354CONFIG_BLK_DEV=y
355# CONFIG_BLK_DEV_COW_COMMON is not set
356# CONFIG_BLK_DEV_LOOP is not set
357
358#
359# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
360#
361# CONFIG_BLK_DEV_NBD is not set
362CONFIG_BLK_DEV_RAM=y 41CONFIG_BLK_DEV_RAM=y
363CONFIG_BLK_DEV_RAM_COUNT=16
364CONFIG_BLK_DEV_RAM_SIZE=8192 42CONFIG_BLK_DEV_RAM_SIZE=8192
365# CONFIG_BLK_DEV_XIP is not set
366# CONFIG_CDROM_PKTCDVD is not set
367# CONFIG_ATA_OVER_ETH is not set
368# CONFIG_XILINX_SYSACE is not set
369CONFIG_MISC_DEVICES=y
370# CONFIG_ENCLOSURE_SERVICES is not set
371# CONFIG_C2PORT is not set
372
373#
374# EEPROM support
375#
376# CONFIG_EEPROM_93CX6 is not set
377
378#
379# SCSI device support
380#
381CONFIG_SCSI_MOD=y
382# CONFIG_RAID_ATTRS is not set
383# CONFIG_SCSI is not set
384# CONFIG_SCSI_DMA is not set
385# CONFIG_SCSI_NETLINK is not set
386# CONFIG_ATA is not set
387# CONFIG_MD is not set
388CONFIG_NETDEVICES=y 43CONFIG_NETDEVICES=y
389# CONFIG_DUMMY is not set
390# CONFIG_BONDING is not set
391# CONFIG_MACVLAN is not set
392# CONFIG_EQUALIZER is not set
393# CONFIG_TUN is not set
394# CONFIG_VETH is not set
395CONFIG_PHYLIB=y
396
397#
398# MII PHY device drivers
399#
400# CONFIG_MARVELL_PHY is not set
401# CONFIG_DAVICOM_PHY is not set
402# CONFIG_QSEMI_PHY is not set
403# CONFIG_LXT_PHY is not set
404# CONFIG_CICADA_PHY is not set
405# CONFIG_VITESSE_PHY is not set
406# CONFIG_SMSC_PHY is not set
407# CONFIG_BROADCOM_PHY is not set
408# CONFIG_ICPLUS_PHY is not set
409# CONFIG_REALTEK_PHY is not set
410# CONFIG_NATIONAL_PHY is not set
411# CONFIG_STE10XP is not set
412# CONFIG_LSI_ET1011C_PHY is not set
413# CONFIG_MICREL_PHY is not set
414# CONFIG_FIXED_PHY is not set
415# CONFIG_MDIO_BITBANG is not set
416CONFIG_NET_ETHERNET=y 44CONFIG_NET_ETHERNET=y
417# CONFIG_MII is not set
418# CONFIG_ETHOC is not set
419# CONFIG_DNET is not set
420# CONFIG_IBM_NEW_EMAC_ZMII is not set
421# CONFIG_IBM_NEW_EMAC_RGMII is not set
422# CONFIG_IBM_NEW_EMAC_TAH is not set
423# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
424# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
425# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
426# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
427# CONFIG_B44 is not set
428# CONFIG_KS8842 is not set
429# CONFIG_KS8851_MLL is not set
430CONFIG_XILINX_EMACLITE=y 45CONFIG_XILINX_EMACLITE=y
431CONFIG_NETDEV_1000=y
432CONFIG_NETDEV_10000=y
433CONFIG_WLAN=y
434# CONFIG_HOSTAP is not set
435
436#
437# Enable WiMAX (Networking options) to see the WiMAX drivers
438#
439# CONFIG_WAN is not set
440# CONFIG_PPP is not set
441# CONFIG_SLIP is not set
442# CONFIG_NETCONSOLE is not set
443# CONFIG_NETPOLL is not set
444# CONFIG_NET_POLL_CONTROLLER is not set
445# CONFIG_ISDN is not set
446# CONFIG_PHONE is not set
447
448#
449# Input device support
450#
451# CONFIG_INPUT is not set 46# CONFIG_INPUT is not set
452
453#
454# Hardware I/O ports
455#
456# CONFIG_SERIO is not set 47# CONFIG_SERIO is not set
457# CONFIG_GAMEPORT is not set
458
459#
460# Character devices
461#
462# CONFIG_VT is not set 48# CONFIG_VT is not set
463CONFIG_DEVKMEM=y
464# CONFIG_SERIAL_NONSTANDARD is not set
465
466#
467# Serial drivers
468#
469# CONFIG_SERIAL_8250 is not set
470
471#
472# Non-8250 serial port support
473#
474CONFIG_SERIAL_UARTLITE=y 49CONFIG_SERIAL_UARTLITE=y
475CONFIG_SERIAL_UARTLITE_CONSOLE=y 50CONFIG_SERIAL_UARTLITE_CONSOLE=y
476CONFIG_SERIAL_CORE=y
477CONFIG_SERIAL_CORE_CONSOLE=y
478# CONFIG_SERIAL_TIMBERDALE is not set
479# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
480CONFIG_UNIX98_PTYS=y
481# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
482CONFIG_LEGACY_PTYS=y
483CONFIG_LEGACY_PTY_COUNT=256
484# CONFIG_IPMI_HANDLER is not set
485# CONFIG_HW_RANDOM is not set 51# CONFIG_HW_RANDOM is not set
486# CONFIG_RTC is not set
487# CONFIG_GEN_RTC is not set
488# CONFIG_XILINX_HWICAP is not set
489# CONFIG_R3964 is not set
490# CONFIG_RAW_DRIVER is not set
491# CONFIG_TCG_TPM is not set
492# CONFIG_I2C is not set
493# CONFIG_SPI is not set
494
495#
496# PPS support
497#
498# CONFIG_PPS is not set
499CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
500# CONFIG_GPIOLIB is not set
501# CONFIG_W1 is not set
502# CONFIG_POWER_SUPPLY is not set
503# CONFIG_HWMON is not set 52# CONFIG_HWMON is not set
504# CONFIG_THERMAL is not set
505# CONFIG_WATCHDOG is not set
506CONFIG_SSB_POSSIBLE=y
507
508#
509# Sonics Silicon Backplane
510#
511# CONFIG_SSB is not set
512
513#
514# Multifunction device drivers
515#
516# CONFIG_MFD_CORE is not set
517# CONFIG_MFD_SM501 is not set
518# CONFIG_HTC_PASIC3 is not set
519# CONFIG_MFD_TMIO is not set
520# CONFIG_REGULATOR is not set
521# CONFIG_MEDIA_SUPPORT is not set
522
523#
524# Graphics support
525#
526# CONFIG_VGASTATE is not set
527# CONFIG_VIDEO_OUTPUT_CONTROL is not set
528# CONFIG_FB is not set
529# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
530
531#
532# Display device support
533#
534# CONFIG_DISPLAY_SUPPORT is not set
535# CONFIG_SOUND is not set
536# CONFIG_USB_SUPPORT is not set 53# CONFIG_USB_SUPPORT is not set
537CONFIG_USB_ARCH_HAS_EHCI=y
538# CONFIG_MMC is not set
539# CONFIG_MEMSTICK is not set
540# CONFIG_NEW_LEDS is not set
541# CONFIG_ACCESSIBILITY is not set
542# CONFIG_RTC_CLASS is not set
543# CONFIG_DMADEVICES is not set
544# CONFIG_AUXDISPLAY is not set
545# CONFIG_UIO is not set
546
547#
548# TI VLYNQ
549#
550# CONFIG_STAGING is not set
551
552#
553# File systems
554#
555CONFIG_EXT2_FS=y 54CONFIG_EXT2_FS=y
556# CONFIG_EXT2_FS_XATTR is not set
557# CONFIG_EXT2_FS_XIP is not set
558# CONFIG_EXT3_FS is not set
559# CONFIG_EXT4_FS is not set
560# CONFIG_REISERFS_FS is not set
561# CONFIG_JFS_FS is not set
562# CONFIG_FS_POSIX_ACL is not set
563# CONFIG_XFS_FS is not set
564# CONFIG_GFS2_FS is not set
565# CONFIG_OCFS2_FS is not set
566# CONFIG_BTRFS_FS is not set
567# CONFIG_NILFS2_FS is not set
568CONFIG_FILE_LOCKING=y
569CONFIG_FSNOTIFY=y
570# CONFIG_DNOTIFY is not set 55# CONFIG_DNOTIFY is not set
571# CONFIG_INOTIFY is not set
572CONFIG_INOTIFY_USER=y
573# CONFIG_QUOTA is not set
574# CONFIG_AUTOFS_FS is not set
575# CONFIG_AUTOFS4_FS is not set
576# CONFIG_FUSE_FS is not set
577
578#
579# Caches
580#
581# CONFIG_FSCACHE is not set
582
583#
584# CD-ROM/DVD Filesystems
585#
586# CONFIG_ISO9660_FS is not set
587# CONFIG_UDF_FS is not set
588
589#
590# DOS/FAT/NT Filesystems
591#
592# CONFIG_MSDOS_FS is not set
593# CONFIG_VFAT_FS is not set
594# CONFIG_NTFS_FS is not set
595
596#
597# Pseudo filesystems
598#
599CONFIG_PROC_FS=y
600# CONFIG_PROC_KCORE is not set
601CONFIG_PROC_SYSCTL=y
602CONFIG_PROC_PAGE_MONITOR=y
603CONFIG_SYSFS=y
604# CONFIG_HUGETLB_PAGE is not set
605# CONFIG_CONFIGFS_FS is not set
606CONFIG_MISC_FILESYSTEMS=y
607# CONFIG_ADFS_FS is not set
608# CONFIG_AFFS_FS is not set
609# CONFIG_HFS_FS is not set
610# CONFIG_HFSPLUS_FS is not set
611# CONFIG_BEFS_FS is not set
612# CONFIG_BFS_FS is not set
613# CONFIG_EFS_FS is not set
614# CONFIG_LOGFS is not set
615# CONFIG_CRAMFS is not set
616# CONFIG_SQUASHFS is not set
617# CONFIG_VXFS_FS is not set
618# CONFIG_MINIX_FS is not set
619# CONFIG_OMFS_FS is not set
620# CONFIG_HPFS_FS is not set
621# CONFIG_QNX4FS_FS is not set
622# CONFIG_ROMFS_FS is not set
623# CONFIG_SYSV_FS is not set
624# CONFIG_UFS_FS is not set
625CONFIG_NETWORK_FILESYSTEMS=y
626CONFIG_NFS_FS=y 56CONFIG_NFS_FS=y
627CONFIG_NFS_V3=y 57CONFIG_NFS_V3=y
628# CONFIG_NFS_V3_ACL is not set
629# CONFIG_NFS_V4 is not set
630# CONFIG_NFSD is not set
631CONFIG_LOCKD=y
632CONFIG_LOCKD_V4=y
633CONFIG_NFS_COMMON=y
634CONFIG_SUNRPC=y
635# CONFIG_RPCSEC_GSS_KRB5 is not set
636# CONFIG_RPCSEC_GSS_SPKM3 is not set
637# CONFIG_SMB_FS is not set
638# CONFIG_CEPH_FS is not set
639CONFIG_CIFS=y 58CONFIG_CIFS=y
640CONFIG_CIFS_STATS=y 59CONFIG_CIFS_STATS=y
641CONFIG_CIFS_STATS2=y 60CONFIG_CIFS_STATS2=y
642# CONFIG_CIFS_WEAK_PW_HASH is not set
643# CONFIG_CIFS_XATTR is not set
644# CONFIG_CIFS_DEBUG2 is not set
645# CONFIG_CIFS_EXPERIMENTAL is not set
646# CONFIG_NCP_FS is not set
647# CONFIG_CODA_FS is not set
648# CONFIG_AFS_FS is not set
649
650#
651# Partition Types
652#
653CONFIG_PARTITION_ADVANCED=y 61CONFIG_PARTITION_ADVANCED=y
654# CONFIG_ACORN_PARTITION is not set
655# CONFIG_OSF_PARTITION is not set
656# CONFIG_AMIGA_PARTITION is not set
657# CONFIG_ATARI_PARTITION is not set
658# CONFIG_MAC_PARTITION is not set
659CONFIG_MSDOS_PARTITION=y
660# CONFIG_BSD_DISKLABEL is not set
661# CONFIG_MINIX_SUBPARTITION is not set
662# CONFIG_SOLARIS_X86_PARTITION is not set
663# CONFIG_UNIXWARE_DISKLABEL is not set
664# CONFIG_LDM_PARTITION is not set
665# CONFIG_SGI_PARTITION is not set
666# CONFIG_ULTRIX_PARTITION is not set
667# CONFIG_SUN_PARTITION is not set
668# CONFIG_KARMA_PARTITION is not set
669# CONFIG_EFI_PARTITION is not set
670# CONFIG_SYSV68_PARTITION is not set
671CONFIG_NLS=y
672CONFIG_NLS_DEFAULT="iso8859-1"
673# CONFIG_NLS_CODEPAGE_437 is not set
674# CONFIG_NLS_CODEPAGE_737 is not set
675# CONFIG_NLS_CODEPAGE_775 is not set
676# CONFIG_NLS_CODEPAGE_850 is not set
677# CONFIG_NLS_CODEPAGE_852 is not set
678# CONFIG_NLS_CODEPAGE_855 is not set
679# CONFIG_NLS_CODEPAGE_857 is not set
680# CONFIG_NLS_CODEPAGE_860 is not set
681# CONFIG_NLS_CODEPAGE_861 is not set
682# CONFIG_NLS_CODEPAGE_862 is not set
683# CONFIG_NLS_CODEPAGE_863 is not set
684# CONFIG_NLS_CODEPAGE_864 is not set
685# CONFIG_NLS_CODEPAGE_865 is not set
686# CONFIG_NLS_CODEPAGE_866 is not set
687# CONFIG_NLS_CODEPAGE_869 is not set
688# CONFIG_NLS_CODEPAGE_936 is not set
689# CONFIG_NLS_CODEPAGE_950 is not set
690# CONFIG_NLS_CODEPAGE_932 is not set
691# CONFIG_NLS_CODEPAGE_949 is not set
692# CONFIG_NLS_CODEPAGE_874 is not set
693# CONFIG_NLS_ISO8859_8 is not set
694# CONFIG_NLS_CODEPAGE_1250 is not set
695# CONFIG_NLS_CODEPAGE_1251 is not set
696# CONFIG_NLS_ASCII is not set
697# CONFIG_NLS_ISO8859_1 is not set
698# CONFIG_NLS_ISO8859_2 is not set
699# CONFIG_NLS_ISO8859_3 is not set
700# CONFIG_NLS_ISO8859_4 is not set
701# CONFIG_NLS_ISO8859_5 is not set
702# CONFIG_NLS_ISO8859_6 is not set
703# CONFIG_NLS_ISO8859_7 is not set
704# CONFIG_NLS_ISO8859_9 is not set
705# CONFIG_NLS_ISO8859_13 is not set
706# CONFIG_NLS_ISO8859_14 is not set
707# CONFIG_NLS_ISO8859_15 is not set
708# CONFIG_NLS_KOI8_R is not set
709# CONFIG_NLS_KOI8_U is not set
710# CONFIG_NLS_UTF8 is not set
711# CONFIG_DLM is not set
712
713#
714# Kernel hacking
715#
716CONFIG_TRACE_IRQFLAGS_SUPPORT=y
717# CONFIG_PRINTK_TIME is not set
718CONFIG_ENABLE_WARN_DEPRECATED=y
719CONFIG_ENABLE_MUST_CHECK=y
720CONFIG_FRAME_WARN=1024
721# CONFIG_MAGIC_SYSRQ is not set
722# CONFIG_STRIP_ASM_SYMS is not set
723# CONFIG_UNUSED_SYMBOLS is not set
724# CONFIG_DEBUG_FS is not set
725# CONFIG_HEADERS_CHECK is not set
726CONFIG_DEBUG_KERNEL=y 62CONFIG_DEBUG_KERNEL=y
727# CONFIG_DEBUG_SHIRQ is not set
728CONFIG_DETECT_SOFTLOCKUP=y
729# CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set
730CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=0
731CONFIG_DETECT_HUNG_TASK=y 63CONFIG_DETECT_HUNG_TASK=y
732# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
733CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
734CONFIG_SCHED_DEBUG=y
735# CONFIG_SCHEDSTATS is not set
736# CONFIG_TIMER_STATS is not set
737# CONFIG_DEBUG_OBJECTS is not set
738CONFIG_DEBUG_SLAB=y 64CONFIG_DEBUG_SLAB=y
739# CONFIG_DEBUG_SLAB_LEAK is not set
740# CONFIG_DEBUG_KMEMLEAK is not set
741CONFIG_DEBUG_SPINLOCK=y 65CONFIG_DEBUG_SPINLOCK=y
742# CONFIG_DEBUG_MUTEXES is not set
743# CONFIG_DEBUG_LOCK_ALLOC is not set
744# CONFIG_PROVE_LOCKING is not set
745# CONFIG_LOCK_STAT is not set
746# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
747# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
748# CONFIG_DEBUG_KOBJECT is not set
749CONFIG_DEBUG_INFO=y 66CONFIG_DEBUG_INFO=y
750# CONFIG_DEBUG_VM is not set
751# CONFIG_DEBUG_WRITECOUNT is not set
752# CONFIG_DEBUG_MEMORY_INIT is not set
753# CONFIG_DEBUG_LIST is not set
754# CONFIG_DEBUG_SG is not set
755# CONFIG_DEBUG_NOTIFIERS is not set
756# CONFIG_DEBUG_CREDENTIALS is not set
757# CONFIG_BOOT_PRINTK_DELAY is not set
758# CONFIG_RCU_TORTURE_TEST is not set
759# CONFIG_RCU_CPU_STALL_DETECTOR is not set 67# CONFIG_RCU_CPU_STALL_DETECTOR is not set
760# CONFIG_BACKTRACE_SELF_TEST is not set
761# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
762# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
763# CONFIG_FAULT_INJECTION is not set
764# CONFIG_LATENCYTOP is not set
765# CONFIG_SYSCTL_SYSCALL_CHECK is not set
766# CONFIG_PAGE_POISONING is not set
767CONFIG_HAVE_FUNCTION_TRACER=y
768CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
769CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
770CONFIG_HAVE_DYNAMIC_FTRACE=y
771CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
772CONFIG_TRACING_SUPPORT=y
773CONFIG_FTRACE=y
774# CONFIG_FUNCTION_TRACER is not set
775# CONFIG_IRQSOFF_TRACER is not set
776# CONFIG_SCHED_TRACER is not set
777# CONFIG_ENABLE_DEFAULT_TRACERS is not set
778# CONFIG_BOOT_TRACER is not set
779CONFIG_BRANCH_PROFILE_NONE=y
780# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
781# CONFIG_PROFILE_ALL_BRANCHES is not set
782# CONFIG_STACK_TRACER is not set
783# CONFIG_KMEMTRACE is not set
784# CONFIG_WORKQUEUE_TRACER is not set
785# CONFIG_BLK_DEV_IO_TRACE is not set
786# CONFIG_DMA_API_DEBUG is not set
787# CONFIG_SAMPLES is not set
788CONFIG_EARLY_PRINTK=y 68CONFIG_EARLY_PRINTK=y
789# CONFIG_HEART_BEAT is not set
790CONFIG_DEBUG_BOOTMEM=y 69CONFIG_DEBUG_BOOTMEM=y
791
792#
793# Security options
794#
795# CONFIG_KEYS is not set
796# CONFIG_SECURITY is not set
797# CONFIG_SECURITYFS is not set
798# CONFIG_DEFAULT_SECURITY_SELINUX is not set
799# CONFIG_DEFAULT_SECURITY_SMACK is not set
800# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
801CONFIG_DEFAULT_SECURITY_DAC=y
802CONFIG_DEFAULT_SECURITY=""
803CONFIG_CRYPTO=y
804
805#
806# Crypto core or helper
807#
808# CONFIG_CRYPTO_MANAGER is not set
809# CONFIG_CRYPTO_MANAGER2 is not set
810# CONFIG_CRYPTO_GF128MUL is not set
811# CONFIG_CRYPTO_NULL is not set
812# CONFIG_CRYPTO_CRYPTD is not set
813# CONFIG_CRYPTO_AUTHENC is not set
814# CONFIG_CRYPTO_TEST is not set
815
816#
817# Authenticated Encryption with Associated Data
818#
819# CONFIG_CRYPTO_CCM is not set
820# CONFIG_CRYPTO_GCM is not set
821# CONFIG_CRYPTO_SEQIV is not set
822
823#
824# Block modes
825#
826# CONFIG_CRYPTO_CBC is not set
827# CONFIG_CRYPTO_CTR is not set
828# CONFIG_CRYPTO_CTS is not set
829# CONFIG_CRYPTO_ECB is not set
830# CONFIG_CRYPTO_LRW is not set
831# CONFIG_CRYPTO_PCBC is not set
832# CONFIG_CRYPTO_XTS is not set
833
834#
835# Hash modes
836#
837# CONFIG_CRYPTO_HMAC is not set
838# CONFIG_CRYPTO_XCBC is not set
839# CONFIG_CRYPTO_VMAC is not set
840
841#
842# Digest
843#
844# CONFIG_CRYPTO_CRC32C is not set
845# CONFIG_CRYPTO_GHASH is not set
846# CONFIG_CRYPTO_MD4 is not set
847# CONFIG_CRYPTO_MD5 is not set
848# CONFIG_CRYPTO_MICHAEL_MIC is not set
849# CONFIG_CRYPTO_RMD128 is not set
850# CONFIG_CRYPTO_RMD160 is not set
851# CONFIG_CRYPTO_RMD256 is not set
852# CONFIG_CRYPTO_RMD320 is not set
853# CONFIG_CRYPTO_SHA1 is not set
854# CONFIG_CRYPTO_SHA256 is not set
855# CONFIG_CRYPTO_SHA512 is not set
856# CONFIG_CRYPTO_TGR192 is not set
857# CONFIG_CRYPTO_WP512 is not set
858
859#
860# Ciphers
861#
862# CONFIG_CRYPTO_AES is not set
863# CONFIG_CRYPTO_ANUBIS is not set
864# CONFIG_CRYPTO_ARC4 is not set
865# CONFIG_CRYPTO_BLOWFISH is not set
866# CONFIG_CRYPTO_CAMELLIA is not set
867# CONFIG_CRYPTO_CAST5 is not set
868# CONFIG_CRYPTO_CAST6 is not set
869# CONFIG_CRYPTO_DES is not set
870# CONFIG_CRYPTO_FCRYPT is not set
871# CONFIG_CRYPTO_KHAZAD is not set
872# CONFIG_CRYPTO_SALSA20 is not set
873# CONFIG_CRYPTO_SEED is not set
874# CONFIG_CRYPTO_SERPENT is not set
875# CONFIG_CRYPTO_TEA is not set
876# CONFIG_CRYPTO_TWOFISH is not set
877
878#
879# Compression
880#
881# CONFIG_CRYPTO_DEFLATE is not set
882# CONFIG_CRYPTO_ZLIB is not set
883# CONFIG_CRYPTO_LZO is not set
884
885#
886# Random Number Generation
887#
888# CONFIG_CRYPTO_ANSI_CPRNG is not set 70# CONFIG_CRYPTO_ANSI_CPRNG is not set
889CONFIG_CRYPTO_HW=y
890# CONFIG_BINARY_PRINTF is not set
891
892#
893# Library routines
894#
895CONFIG_BITREVERSE=y
896CONFIG_GENERIC_FIND_LAST_BIT=y
897# CONFIG_CRC_CCITT is not set
898# CONFIG_CRC16 is not set
899# CONFIG_CRC_T10DIF is not set
900# CONFIG_CRC_ITU_T is not set
901CONFIG_CRC32=y
902# CONFIG_CRC7 is not set
903# CONFIG_LIBCRC32C is not set
904CONFIG_ZLIB_INFLATE=y
905CONFIG_DECOMPRESS_GZIP=y
906CONFIG_HAS_IOMEM=y
907CONFIG_HAS_IOPORT=y
908CONFIG_HAS_DMA=y
909CONFIG_HAVE_LMB=y
910CONFIG_NLATTR=y
diff --git a/arch/microblaze/configs/nommu_defconfig b/arch/microblaze/configs/nommu_defconfig
index dd3a494257f4..ebc143c5368e 100644
--- a/arch/microblaze/configs/nommu_defconfig
+++ b/arch/microblaze/configs/nommu_defconfig
@@ -1,932 +1,85 @@
1#
2# Automatically generated make config: don't edit
3# Linux kernel version: 2.6.34-rc6
4# Thu May 6 11:25:12 2010
5#
6CONFIG_MICROBLAZE=y
7# CONFIG_SWAP is not set
8CONFIG_RWSEM_GENERIC_SPINLOCK=y
9# CONFIG_ARCH_HAS_ILOG2_U32 is not set
10# CONFIG_ARCH_HAS_ILOG2_U64 is not set
11CONFIG_GENERIC_FIND_NEXT_BIT=y
12CONFIG_GENERIC_HWEIGHT=y
13CONFIG_GENERIC_HARDIRQS=y
14CONFIG_GENERIC_IRQ_PROBE=y
15CONFIG_GENERIC_CALIBRATE_DELAY=y
16CONFIG_GENERIC_TIME=y
17# CONFIG_GENERIC_TIME_VSYSCALL is not set
18CONFIG_GENERIC_CLOCKEVENTS=y
19CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
20CONFIG_GENERIC_GPIO=y
21CONFIG_GENERIC_CSUM=y
22CONFIG_STACKTRACE_SUPPORT=y
23CONFIG_LOCKDEP_SUPPORT=y
24CONFIG_HAVE_LATENCYTOP_SUPPORT=y
25CONFIG_DTC=y
26CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
27CONFIG_CONSTRUCTORS=y
28
29#
30# General setup
31#
32CONFIG_EXPERIMENTAL=y 1CONFIG_EXPERIMENTAL=y
33CONFIG_BROKEN_ON_SMP=y
34CONFIG_INIT_ENV_ARG_LIMIT=32
35CONFIG_LOCALVERSION=""
36CONFIG_LOCALVERSION_AUTO=y
37CONFIG_SYSVIPC=y 2CONFIG_SYSVIPC=y
38CONFIG_SYSVIPC_SYSCTL=y
39CONFIG_POSIX_MQUEUE=y 3CONFIG_POSIX_MQUEUE=y
40CONFIG_POSIX_MQUEUE_SYSCTL=y
41CONFIG_BSD_PROCESS_ACCT=y 4CONFIG_BSD_PROCESS_ACCT=y
42CONFIG_BSD_PROCESS_ACCT_V3=y 5CONFIG_BSD_PROCESS_ACCT_V3=y
43# CONFIG_TASKSTATS is not set
44# CONFIG_AUDIT is not set
45
46#
47# RCU Subsystem
48#
49CONFIG_TREE_RCU=y
50# CONFIG_TREE_PREEMPT_RCU is not set
51# CONFIG_TINY_RCU is not set
52# CONFIG_RCU_TRACE is not set
53CONFIG_RCU_FANOUT=32
54# CONFIG_RCU_FANOUT_EXACT is not set
55# CONFIG_TREE_RCU_TRACE is not set
56CONFIG_IKCONFIG=y 6CONFIG_IKCONFIG=y
57CONFIG_IKCONFIG_PROC=y 7CONFIG_IKCONFIG_PROC=y
58CONFIG_LOG_BUF_SHIFT=17
59# CONFIG_CGROUPS is not set
60CONFIG_SYSFS_DEPRECATED=y
61CONFIG_SYSFS_DEPRECATED_V2=y 8CONFIG_SYSFS_DEPRECATED_V2=y
62# CONFIG_RELAY is not set
63# CONFIG_NAMESPACES is not set
64# CONFIG_BLK_DEV_INITRD is not set
65CONFIG_CC_OPTIMIZE_FOR_SIZE=y
66CONFIG_SYSCTL=y
67CONFIG_ANON_INODES=y
68CONFIG_EMBEDDED=y 9CONFIG_EMBEDDED=y
69CONFIG_SYSCTL_SYSCALL=y
70CONFIG_KALLSYMS=y
71CONFIG_KALLSYMS_ALL=y 10CONFIG_KALLSYMS_ALL=y
72CONFIG_KALLSYMS_EXTRA_PASS=y 11CONFIG_KALLSYMS_EXTRA_PASS=y
73# CONFIG_HOTPLUG is not set 12# CONFIG_HOTPLUG is not set
74CONFIG_PRINTK=y
75CONFIG_BUG=y
76CONFIG_ELF_CORE=y
77# CONFIG_BASE_FULL is not set 13# CONFIG_BASE_FULL is not set
78CONFIG_FUTEX=y
79CONFIG_EPOLL=y
80CONFIG_SIGNALFD=y
81CONFIG_TIMERFD=y
82CONFIG_EVENTFD=y
83CONFIG_AIO=y
84
85#
86# Kernel Performance Events And Counters
87#
88CONFIG_VM_EVENT_COUNTERS=y
89CONFIG_COMPAT_BRK=y
90CONFIG_SLAB=y 14CONFIG_SLAB=y
91# CONFIG_SLUB is not set
92# CONFIG_SLOB is not set
93# CONFIG_MMAP_ALLOW_UNINITIALIZED is not set
94# CONFIG_PROFILING is not set
95CONFIG_HAVE_OPROFILE=y
96CONFIG_HAVE_DMA_ATTRS=y
97CONFIG_HAVE_DMA_API_DEBUG=y
98
99#
100# GCOV-based kernel profiling
101#
102# CONFIG_GCOV_KERNEL is not set
103# CONFIG_SLOW_WORK is not set
104# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
105CONFIG_SLABINFO=y
106CONFIG_RT_MUTEXES=y
107CONFIG_BASE_SMALL=1
108CONFIG_MODULES=y 15CONFIG_MODULES=y
109# CONFIG_MODULE_FORCE_LOAD is not set
110CONFIG_MODULE_UNLOAD=y 16CONFIG_MODULE_UNLOAD=y
111# CONFIG_MODULE_FORCE_UNLOAD is not set
112# CONFIG_MODVERSIONS is not set
113# CONFIG_MODULE_SRCVERSION_ALL is not set
114CONFIG_BLOCK=y
115CONFIG_LBDAF=y
116# CONFIG_BLK_DEV_BSG is not set 17# CONFIG_BLK_DEV_BSG is not set
117# CONFIG_BLK_DEV_INTEGRITY is not set
118
119#
120# IO Schedulers
121#
122CONFIG_IOSCHED_NOOP=y
123CONFIG_IOSCHED_DEADLINE=y
124CONFIG_IOSCHED_CFQ=y
125# CONFIG_DEFAULT_DEADLINE is not set
126CONFIG_DEFAULT_CFQ=y
127# CONFIG_DEFAULT_NOOP is not set
128CONFIG_DEFAULT_IOSCHED="cfq"
129# CONFIG_INLINE_SPIN_TRYLOCK is not set
130# CONFIG_INLINE_SPIN_TRYLOCK_BH is not set
131# CONFIG_INLINE_SPIN_LOCK is not set
132# CONFIG_INLINE_SPIN_LOCK_BH is not set
133# CONFIG_INLINE_SPIN_LOCK_IRQ is not set
134# CONFIG_INLINE_SPIN_LOCK_IRQSAVE is not set
135CONFIG_INLINE_SPIN_UNLOCK=y
136# CONFIG_INLINE_SPIN_UNLOCK_BH is not set
137CONFIG_INLINE_SPIN_UNLOCK_IRQ=y
138# CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE is not set
139# CONFIG_INLINE_READ_TRYLOCK is not set
140# CONFIG_INLINE_READ_LOCK is not set
141# CONFIG_INLINE_READ_LOCK_BH is not set
142# CONFIG_INLINE_READ_LOCK_IRQ is not set
143# CONFIG_INLINE_READ_LOCK_IRQSAVE is not set
144CONFIG_INLINE_READ_UNLOCK=y
145# CONFIG_INLINE_READ_UNLOCK_BH is not set
146CONFIG_INLINE_READ_UNLOCK_IRQ=y
147# CONFIG_INLINE_READ_UNLOCK_IRQRESTORE is not set
148# CONFIG_INLINE_WRITE_TRYLOCK is not set
149# CONFIG_INLINE_WRITE_LOCK is not set
150# CONFIG_INLINE_WRITE_LOCK_BH is not set
151# CONFIG_INLINE_WRITE_LOCK_IRQ is not set
152# CONFIG_INLINE_WRITE_LOCK_IRQSAVE is not set
153CONFIG_INLINE_WRITE_UNLOCK=y
154# CONFIG_INLINE_WRITE_UNLOCK_BH is not set
155CONFIG_INLINE_WRITE_UNLOCK_IRQ=y
156# CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE is not set
157# CONFIG_MUTEX_SPIN_ON_OWNER is not set
158# CONFIG_FREEZER is not set
159
160#
161# Platform options
162#
163CONFIG_PLATFORM_GENERIC=y
164# CONFIG_SELFMOD is not set
165# CONFIG_OPT_LIB_FUNCTION is not set 18# CONFIG_OPT_LIB_FUNCTION is not set
166
167#
168# Definitions for MICROBLAZE0
169#
170CONFIG_KERNEL_BASE_ADDR=0x90000000
171CONFIG_XILINX_MICROBLAZE0_FAMILY="virtex5"
172CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1 19CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR=1
173CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1 20CONFIG_XILINX_MICROBLAZE0_USE_PCMP_INSTR=1
174CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1 21CONFIG_XILINX_MICROBLAZE0_USE_BARREL=1
175CONFIG_XILINX_MICROBLAZE0_USE_DIV=1 22CONFIG_XILINX_MICROBLAZE0_USE_DIV=1
176CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL=2 23CONFIG_XILINX_MICROBLAZE0_USE_HW_MUL=2
177CONFIG_XILINX_MICROBLAZE0_USE_FPU=2 24CONFIG_XILINX_MICROBLAZE0_USE_FPU=2
178CONFIG_XILINX_MICROBLAZE0_HW_VER="7.10.d"
179
180#
181# Processor type and features
182#
183CONFIG_TICK_ONESHOT=y
184# CONFIG_NO_HZ is not set
185CONFIG_HIGH_RES_TIMERS=y 25CONFIG_HIGH_RES_TIMERS=y
186CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
187CONFIG_PREEMPT_NONE=y
188# CONFIG_PREEMPT_VOLUNTARY is not set
189# CONFIG_PREEMPT is not set
190CONFIG_HZ_100=y 26CONFIG_HZ_100=y
191# CONFIG_HZ_250 is not set
192# CONFIG_HZ_300 is not set
193# CONFIG_HZ_1000 is not set
194CONFIG_HZ=100
195CONFIG_SCHED_HRTICK=y
196# CONFIG_MMU is not set
197CONFIG_NO_MMU=y
198
199#
200# Boot options
201#
202CONFIG_CMDLINE_BOOL=y 27CONFIG_CMDLINE_BOOL=y
203CONFIG_CMDLINE="console=ttyUL0,115200"
204# CONFIG_CMDLINE_FORCE is not set
205CONFIG_OF=y
206CONFIG_PROC_DEVICETREE=y
207
208#
209# Advanced setup
210#
211# CONFIG_ADVANCED_OPTIONS is not set
212
213#
214# Default settings for advanced configuration options are used
215#
216CONFIG_LOWMEM_SIZE=0x30000000
217CONFIG_KERNEL_START=0x90000000
218CONFIG_TASK_SIZE=0x80000000
219CONFIG_SELECT_MEMORY_MODEL=y
220CONFIG_FLATMEM_MANUAL=y
221# CONFIG_DISCONTIGMEM_MANUAL is not set
222# CONFIG_SPARSEMEM_MANUAL is not set
223CONFIG_FLATMEM=y
224CONFIG_FLAT_NODE_MEM_MAP=y
225CONFIG_PAGEFLAGS_EXTENDED=y
226CONFIG_SPLIT_PTLOCK_CPUS=4
227# CONFIG_PHYS_ADDR_T_64BIT is not set
228CONFIG_ZONE_DMA_FLAG=0
229CONFIG_VIRT_TO_BUS=y
230CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
231
232#
233# Exectuable file formats
234#
235CONFIG_BINFMT_FLAT=y 28CONFIG_BINFMT_FLAT=y
236# CONFIG_BINFMT_ZFLAT is not set
237# CONFIG_BINFMT_SHARED_FLAT is not set
238# CONFIG_HAVE_AOUT is not set
239# CONFIG_BINFMT_MISC is not set
240
241#
242# Bus Options
243#
244# CONFIG_PCI is not set
245# CONFIG_PCI_DOMAINS is not set
246# CONFIG_PCI_SYSCALL is not set
247# CONFIG_ARCH_SUPPORTS_MSI is not set
248CONFIG_NET=y 29CONFIG_NET=y
249
250#
251# Networking options
252#
253CONFIG_PACKET=y 30CONFIG_PACKET=y
254CONFIG_UNIX=y 31CONFIG_UNIX=y
255CONFIG_XFRM=y
256# CONFIG_XFRM_USER is not set
257# CONFIG_XFRM_SUB_POLICY is not set
258# CONFIG_XFRM_MIGRATE is not set
259# CONFIG_XFRM_STATISTICS is not set
260# CONFIG_NET_KEY is not set
261CONFIG_INET=y 32CONFIG_INET=y
262# CONFIG_IP_MULTICAST is not set
263# CONFIG_IP_ADVANCED_ROUTER is not set
264CONFIG_IP_FIB_HASH=y
265# CONFIG_IP_PNP is not set
266# CONFIG_NET_IPIP is not set
267# CONFIG_NET_IPGRE is not set
268# CONFIG_ARPD is not set
269# CONFIG_SYN_COOKIES is not set
270# CONFIG_INET_AH is not set
271# CONFIG_INET_ESP is not set
272# CONFIG_INET_IPCOMP is not set
273# CONFIG_INET_XFRM_TUNNEL is not set
274# CONFIG_INET_TUNNEL is not set
275CONFIG_INET_XFRM_MODE_TRANSPORT=y
276CONFIG_INET_XFRM_MODE_TUNNEL=y
277CONFIG_INET_XFRM_MODE_BEET=y
278# CONFIG_INET_LRO is not set 33# CONFIG_INET_LRO is not set
279CONFIG_INET_DIAG=y
280CONFIG_INET_TCP_DIAG=y
281# CONFIG_TCP_CONG_ADVANCED is not set
282CONFIG_TCP_CONG_CUBIC=y
283CONFIG_DEFAULT_TCP_CONG="cubic"
284# CONFIG_TCP_MD5SIG is not set
285# CONFIG_IPV6 is not set 34# CONFIG_IPV6 is not set
286# CONFIG_NETWORK_SECMARK is not set
287# CONFIG_NETFILTER is not set
288# CONFIG_IP_DCCP is not set
289# CONFIG_IP_SCTP is not set
290# CONFIG_RDS is not set
291# CONFIG_TIPC is not set
292# CONFIG_ATM is not set
293# CONFIG_BRIDGE is not set
294# CONFIG_NET_DSA is not set
295# CONFIG_VLAN_8021Q is not set
296# CONFIG_DECNET is not set
297# CONFIG_LLC2 is not set
298# CONFIG_IPX is not set
299# CONFIG_ATALK is not set
300# CONFIG_X25 is not set
301# CONFIG_LAPB is not set
302# CONFIG_ECONET is not set
303# CONFIG_WAN_ROUTER is not set
304# CONFIG_PHONET is not set
305# CONFIG_IEEE802154 is not set
306# CONFIG_NET_SCHED is not set
307# CONFIG_DCB is not set
308
309#
310# Network testing
311#
312# CONFIG_NET_PKTGEN is not set
313# CONFIG_HAMRADIO is not set
314# CONFIG_CAN is not set
315# CONFIG_IRDA is not set
316# CONFIG_BT is not set
317# CONFIG_AF_RXRPC is not set
318CONFIG_WIRELESS=y
319# CONFIG_CFG80211 is not set
320# CONFIG_LIB80211 is not set
321
322#
323# CFG80211 needs to be enabled for MAC80211
324#
325# CONFIG_WIMAX is not set
326# CONFIG_RFKILL is not set
327# CONFIG_NET_9P is not set
328
329#
330# Device Drivers
331#
332
333#
334# Generic Driver Options
335#
336CONFIG_STANDALONE=y
337# CONFIG_PREVENT_FIRMWARE_BUILD is not set 35# CONFIG_PREVENT_FIRMWARE_BUILD is not set
338# CONFIG_DEBUG_DRIVER is not set
339# CONFIG_DEBUG_DEVRES is not set
340# CONFIG_SYS_HYPERVISOR is not set
341# CONFIG_CONNECTOR is not set
342CONFIG_MTD=y 36CONFIG_MTD=y
343# CONFIG_MTD_DEBUG is not set
344# CONFIG_MTD_TESTS is not set
345CONFIG_MTD_CONCAT=y 37CONFIG_MTD_CONCAT=y
346CONFIG_MTD_PARTITIONS=y 38CONFIG_MTD_PARTITIONS=y
347# CONFIG_MTD_REDBOOT_PARTS is not set
348CONFIG_MTD_CMDLINE_PARTS=y 39CONFIG_MTD_CMDLINE_PARTS=y
349# CONFIG_MTD_OF_PARTS is not set
350# CONFIG_MTD_AR7_PARTS is not set
351
352#
353# User Modules And Translation Layers
354#
355CONFIG_MTD_CHAR=y 40CONFIG_MTD_CHAR=y
356CONFIG_MTD_BLKDEVS=y
357CONFIG_MTD_BLOCK=y 41CONFIG_MTD_BLOCK=y
358# CONFIG_FTL is not set
359# CONFIG_NFTL is not set
360# CONFIG_INFTL is not set
361# CONFIG_RFD_FTL is not set
362# CONFIG_SSFDC is not set
363# CONFIG_MTD_OOPS is not set
364
365#
366# RAM/ROM/Flash chip drivers
367#
368CONFIG_MTD_CFI=y 42CONFIG_MTD_CFI=y
369# CONFIG_MTD_JEDECPROBE is not set
370CONFIG_MTD_GEN_PROBE=y
371# CONFIG_MTD_CFI_ADV_OPTIONS is not set
372CONFIG_MTD_MAP_BANK_WIDTH_1=y
373CONFIG_MTD_MAP_BANK_WIDTH_2=y
374CONFIG_MTD_MAP_BANK_WIDTH_4=y
375# CONFIG_MTD_MAP_BANK_WIDTH_8 is not set
376# CONFIG_MTD_MAP_BANK_WIDTH_16 is not set
377# CONFIG_MTD_MAP_BANK_WIDTH_32 is not set
378CONFIG_MTD_CFI_I1=y
379CONFIG_MTD_CFI_I2=y
380# CONFIG_MTD_CFI_I4 is not set
381# CONFIG_MTD_CFI_I8 is not set
382CONFIG_MTD_CFI_INTELEXT=y 43CONFIG_MTD_CFI_INTELEXT=y
383CONFIG_MTD_CFI_AMDSTD=y 44CONFIG_MTD_CFI_AMDSTD=y
384# CONFIG_MTD_CFI_STAA is not set
385CONFIG_MTD_CFI_UTIL=y
386CONFIG_MTD_RAM=y 45CONFIG_MTD_RAM=y
387# CONFIG_MTD_ROM is not set
388# CONFIG_MTD_ABSENT is not set
389
390#
391# Mapping drivers for chip access
392#
393# CONFIG_MTD_COMPLEX_MAPPINGS is not set
394# CONFIG_MTD_PHYSMAP is not set
395# CONFIG_MTD_PHYSMAP_OF is not set
396CONFIG_MTD_UCLINUX=y 46CONFIG_MTD_UCLINUX=y
397# CONFIG_MTD_PLATRAM is not set 47CONFIG_PROC_DEVICETREE=y
398
399#
400# Self-contained MTD device drivers
401#
402# CONFIG_MTD_SLRAM is not set
403# CONFIG_MTD_PHRAM is not set
404# CONFIG_MTD_MTDRAM is not set
405# CONFIG_MTD_BLOCK2MTD is not set
406
407#
408# Disk-On-Chip Device Drivers
409#
410# CONFIG_MTD_DOC2000 is not set
411# CONFIG_MTD_DOC2001 is not set
412# CONFIG_MTD_DOC2001PLUS is not set
413# CONFIG_MTD_NAND is not set
414# CONFIG_MTD_ONENAND is not set
415
416#
417# LPDDR flash memory drivers
418#
419# CONFIG_MTD_LPDDR is not set
420
421#
422# UBI - Unsorted block images
423#
424# CONFIG_MTD_UBI is not set
425CONFIG_OF_FLATTREE=y
426CONFIG_OF_DEVICE=y
427# CONFIG_PARPORT is not set
428CONFIG_BLK_DEV=y
429# CONFIG_BLK_DEV_COW_COMMON is not set
430# CONFIG_BLK_DEV_LOOP is not set
431
432#
433# DRBD disabled because PROC_FS, INET or CONNECTOR not selected
434#
435CONFIG_BLK_DEV_NBD=y 48CONFIG_BLK_DEV_NBD=y
436CONFIG_BLK_DEV_RAM=y 49CONFIG_BLK_DEV_RAM=y
437CONFIG_BLK_DEV_RAM_COUNT=16
438CONFIG_BLK_DEV_RAM_SIZE=4096
439# CONFIG_BLK_DEV_XIP is not set
440# CONFIG_CDROM_PKTCDVD is not set
441# CONFIG_ATA_OVER_ETH is not set
442# CONFIG_XILINX_SYSACE is not set
443CONFIG_MISC_DEVICES=y
444# CONFIG_ENCLOSURE_SERVICES is not set
445# CONFIG_C2PORT is not set
446
447#
448# EEPROM support
449#
450# CONFIG_EEPROM_93CX6 is not set
451
452#
453# SCSI device support
454#
455CONFIG_SCSI_MOD=y
456# CONFIG_RAID_ATTRS is not set
457# CONFIG_SCSI is not set
458# CONFIG_SCSI_DMA is not set
459# CONFIG_SCSI_NETLINK is not set
460# CONFIG_ATA is not set
461# CONFIG_MD is not set
462CONFIG_NETDEVICES=y 50CONFIG_NETDEVICES=y
463# CONFIG_DUMMY is not set
464# CONFIG_BONDING is not set
465# CONFIG_MACVLAN is not set
466# CONFIG_EQUALIZER is not set
467# CONFIG_TUN is not set
468# CONFIG_VETH is not set
469# CONFIG_PHYLIB is not set
470CONFIG_NET_ETHERNET=y 51CONFIG_NET_ETHERNET=y
471# CONFIG_MII is not set
472# CONFIG_ETHOC is not set
473# CONFIG_DNET is not set
474# CONFIG_IBM_NEW_EMAC_ZMII is not set
475# CONFIG_IBM_NEW_EMAC_RGMII is not set
476# CONFIG_IBM_NEW_EMAC_TAH is not set
477# CONFIG_IBM_NEW_EMAC_EMAC4 is not set
478# CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
479# CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
480# CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
481# CONFIG_B44 is not set
482# CONFIG_KS8842 is not set
483# CONFIG_KS8851_MLL is not set
484# CONFIG_XILINX_EMACLITE is not set
485CONFIG_NETDEV_1000=y
486CONFIG_NETDEV_10000=y
487CONFIG_WLAN=y
488# CONFIG_HOSTAP is not set
489
490#
491# Enable WiMAX (Networking options) to see the WiMAX drivers
492#
493# CONFIG_WAN is not set
494# CONFIG_PPP is not set
495# CONFIG_SLIP is not set
496# CONFIG_NETCONSOLE is not set
497# CONFIG_NETPOLL is not set
498# CONFIG_NET_POLL_CONTROLLER is not set
499# CONFIG_ISDN is not set
500# CONFIG_PHONE is not set
501
502#
503# Input device support
504#
505# CONFIG_INPUT is not set 52# CONFIG_INPUT is not set
506
507#
508# Hardware I/O ports
509#
510# CONFIG_SERIO is not set 53# CONFIG_SERIO is not set
511# CONFIG_GAMEPORT is not set
512
513#
514# Character devices
515#
516# CONFIG_VT is not set 54# CONFIG_VT is not set
517CONFIG_DEVKMEM=y
518# CONFIG_SERIAL_NONSTANDARD is not set
519
520#
521# Serial drivers
522#
523# CONFIG_SERIAL_8250 is not set
524
525#
526# Non-8250 serial port support
527#
528CONFIG_SERIAL_UARTLITE=y 55CONFIG_SERIAL_UARTLITE=y
529CONFIG_SERIAL_UARTLITE_CONSOLE=y 56CONFIG_SERIAL_UARTLITE_CONSOLE=y
530CONFIG_SERIAL_CORE=y
531CONFIG_SERIAL_CORE_CONSOLE=y
532# CONFIG_SERIAL_TIMBERDALE is not set
533# CONFIG_SERIAL_GRLIB_GAISLER_APBUART is not set
534CONFIG_UNIX98_PTYS=y
535# CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set
536CONFIG_LEGACY_PTYS=y
537CONFIG_LEGACY_PTY_COUNT=256
538# CONFIG_IPMI_HANDLER is not set
539CONFIG_HW_RANDOM=y 57CONFIG_HW_RANDOM=y
540# CONFIG_HW_RANDOM_TIMERIOMEM is not set
541# CONFIG_RTC is not set
542# CONFIG_GEN_RTC is not set
543# CONFIG_XILINX_HWICAP is not set
544# CONFIG_R3964 is not set
545# CONFIG_RAW_DRIVER is not set
546# CONFIG_TCG_TPM is not set
547# CONFIG_I2C is not set
548# CONFIG_SPI is not set
549
550#
551# PPS support
552#
553# CONFIG_PPS is not set
554CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
555# CONFIG_GPIOLIB is not set
556# CONFIG_W1 is not set
557# CONFIG_POWER_SUPPLY is not set
558# CONFIG_HWMON is not set 58# CONFIG_HWMON is not set
559# CONFIG_THERMAL is not set
560# CONFIG_WATCHDOG is not set
561CONFIG_SSB_POSSIBLE=y
562
563#
564# Sonics Silicon Backplane
565#
566# CONFIG_SSB is not set
567
568#
569# Multifunction device drivers
570#
571# CONFIG_MFD_CORE is not set
572# CONFIG_MFD_SM501 is not set
573# CONFIG_HTC_PASIC3 is not set
574# CONFIG_MFD_TMIO is not set
575# CONFIG_REGULATOR is not set
576# CONFIG_MEDIA_SUPPORT is not set
577
578#
579# Graphics support
580#
581# CONFIG_VGASTATE is not set
582CONFIG_VIDEO_OUTPUT_CONTROL=y 59CONFIG_VIDEO_OUTPUT_CONTROL=y
583# CONFIG_FB is not set
584# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
585
586#
587# Display device support
588#
589# CONFIG_DISPLAY_SUPPORT is not set
590# CONFIG_SOUND is not set
591CONFIG_USB_SUPPORT=y
592CONFIG_USB_ARCH_HAS_HCD=y
593# CONFIG_USB_ARCH_HAS_OHCI is not set
594CONFIG_USB_ARCH_HAS_EHCI=y
595# CONFIG_USB is not set
596# CONFIG_USB_OTG_WHITELIST is not set
597# CONFIG_USB_OTG_BLACKLIST_HUB is not set
598
599#
600# Enable Host or Gadget support to see Inventra options
601#
602
603#
604# NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may
605#
606# CONFIG_USB_GADGET is not set
607
608#
609# OTG and related infrastructure
610#
611# CONFIG_MMC is not set
612# CONFIG_MEMSTICK is not set
613# CONFIG_NEW_LEDS is not set
614# CONFIG_ACCESSIBILITY is not set
615# CONFIG_RTC_CLASS is not set
616# CONFIG_DMADEVICES is not set
617# CONFIG_AUXDISPLAY is not set
618# CONFIG_UIO is not set
619
620#
621# TI VLYNQ
622#
623# CONFIG_STAGING is not set
624
625#
626# File systems
627#
628CONFIG_EXT2_FS=y 60CONFIG_EXT2_FS=y
629# CONFIG_EXT2_FS_XATTR is not set
630# CONFIG_EXT3_FS is not set
631# CONFIG_EXT4_FS is not set
632# CONFIG_REISERFS_FS is not set
633# CONFIG_JFS_FS is not set
634CONFIG_FS_POSIX_ACL=y
635# CONFIG_XFS_FS is not set
636# CONFIG_GFS2_FS is not set
637# CONFIG_OCFS2_FS is not set
638# CONFIG_BTRFS_FS is not set
639# CONFIG_NILFS2_FS is not set
640CONFIG_FILE_LOCKING=y
641CONFIG_FSNOTIFY=y
642# CONFIG_DNOTIFY is not set 61# CONFIG_DNOTIFY is not set
643# CONFIG_INOTIFY is not set
644CONFIG_INOTIFY_USER=y
645# CONFIG_QUOTA is not set
646# CONFIG_AUTOFS_FS is not set
647# CONFIG_AUTOFS4_FS is not set
648# CONFIG_FUSE_FS is not set
649
650#
651# Caches
652#
653# CONFIG_FSCACHE is not set
654
655#
656# CD-ROM/DVD Filesystems
657#
658# CONFIG_ISO9660_FS is not set
659# CONFIG_UDF_FS is not set
660
661#
662# DOS/FAT/NT Filesystems
663#
664# CONFIG_MSDOS_FS is not set
665# CONFIG_VFAT_FS is not set
666# CONFIG_NTFS_FS is not set
667
668#
669# Pseudo filesystems
670#
671CONFIG_PROC_FS=y
672CONFIG_PROC_SYSCTL=y
673CONFIG_SYSFS=y
674# CONFIG_HUGETLB_PAGE is not set
675# CONFIG_CONFIGFS_FS is not set
676CONFIG_MISC_FILESYSTEMS=y
677# CONFIG_ADFS_FS is not set
678# CONFIG_AFFS_FS is not set
679# CONFIG_HFS_FS is not set
680# CONFIG_HFSPLUS_FS is not set
681# CONFIG_BEFS_FS is not set
682# CONFIG_BFS_FS is not set
683# CONFIG_EFS_FS is not set
684# CONFIG_JFFS2_FS is not set
685# CONFIG_LOGFS is not set
686CONFIG_CRAMFS=y 62CONFIG_CRAMFS=y
687# CONFIG_SQUASHFS is not set
688# CONFIG_VXFS_FS is not set
689# CONFIG_MINIX_FS is not set
690# CONFIG_OMFS_FS is not set
691# CONFIG_HPFS_FS is not set
692# CONFIG_QNX4FS_FS is not set
693CONFIG_ROMFS_FS=y 63CONFIG_ROMFS_FS=y
694CONFIG_ROMFS_BACKED_BY_BLOCK=y
695# CONFIG_ROMFS_BACKED_BY_MTD is not set
696# CONFIG_ROMFS_BACKED_BY_BOTH is not set
697CONFIG_ROMFS_ON_BLOCK=y
698# CONFIG_SYSV_FS is not set
699# CONFIG_UFS_FS is not set
700CONFIG_NETWORK_FILESYSTEMS=y
701CONFIG_NFS_FS=y 64CONFIG_NFS_FS=y
702CONFIG_NFS_V3=y 65CONFIG_NFS_V3=y
703CONFIG_NFS_V3_ACL=y 66CONFIG_NFS_V3_ACL=y
704# CONFIG_NFS_V4 is not set
705# CONFIG_NFSD is not set
706CONFIG_LOCKD=y
707CONFIG_LOCKD_V4=y
708CONFIG_NFS_ACL_SUPPORT=y
709CONFIG_NFS_COMMON=y
710CONFIG_SUNRPC=y
711# CONFIG_RPCSEC_GSS_KRB5 is not set
712# CONFIG_RPCSEC_GSS_SPKM3 is not set
713# CONFIG_SMB_FS is not set
714# CONFIG_CEPH_FS is not set
715# CONFIG_CIFS is not set
716# CONFIG_NCP_FS is not set
717# CONFIG_CODA_FS is not set
718# CONFIG_AFS_FS is not set
719
720#
721# Partition Types
722#
723# CONFIG_PARTITION_ADVANCED is not set
724CONFIG_MSDOS_PARTITION=y
725# CONFIG_NLS is not set
726# CONFIG_DLM is not set
727
728#
729# Kernel hacking
730#
731CONFIG_TRACE_IRQFLAGS_SUPPORT=y
732# CONFIG_PRINTK_TIME is not set
733CONFIG_ENABLE_WARN_DEPRECATED=y
734CONFIG_ENABLE_MUST_CHECK=y
735CONFIG_FRAME_WARN=1024
736# CONFIG_MAGIC_SYSRQ is not set
737# CONFIG_STRIP_ASM_SYMS is not set
738CONFIG_UNUSED_SYMBOLS=y 67CONFIG_UNUSED_SYMBOLS=y
739CONFIG_DEBUG_FS=y 68CONFIG_DEBUG_FS=y
740# CONFIG_HEADERS_CHECK is not set
741CONFIG_DEBUG_KERNEL=y 69CONFIG_DEBUG_KERNEL=y
742CONFIG_DEBUG_SHIRQ=y 70CONFIG_DEBUG_SHIRQ=y
743CONFIG_DETECT_SOFTLOCKUP=y
744CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC=y
745CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC_VALUE=1
746CONFIG_DETECT_HUNG_TASK=y 71CONFIG_DETECT_HUNG_TASK=y
747# CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set
748CONFIG_BOOTPARAM_HUNG_TASK_PANIC_VALUE=0
749CONFIG_SCHED_DEBUG=y
750CONFIG_SCHEDSTATS=y 72CONFIG_SCHEDSTATS=y
751CONFIG_TIMER_STATS=y 73CONFIG_TIMER_STATS=y
752CONFIG_DEBUG_OBJECTS=y 74CONFIG_DEBUG_OBJECTS=y
753CONFIG_DEBUG_OBJECTS_SELFTEST=y 75CONFIG_DEBUG_OBJECTS_SELFTEST=y
754CONFIG_DEBUG_OBJECTS_FREE=y 76CONFIG_DEBUG_OBJECTS_FREE=y
755CONFIG_DEBUG_OBJECTS_TIMERS=y 77CONFIG_DEBUG_OBJECTS_TIMERS=y
756# CONFIG_DEBUG_OBJECTS_WORK is not set
757CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1
758# CONFIG_DEBUG_SLAB is not set
759# CONFIG_DEBUG_KMEMLEAK is not set
760# CONFIG_DEBUG_RT_MUTEXES is not set
761# CONFIG_RT_MUTEX_TESTER is not set
762# CONFIG_DEBUG_SPINLOCK is not set
763# CONFIG_DEBUG_MUTEXES is not set
764# CONFIG_DEBUG_LOCK_ALLOC is not set
765# CONFIG_PROVE_LOCKING is not set
766# CONFIG_LOCK_STAT is not set
767# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
768# CONFIG_DEBUG_LOCKING_API_SELFTESTS is not set
769# CONFIG_DEBUG_KOBJECT is not set
770CONFIG_DEBUG_INFO=y 78CONFIG_DEBUG_INFO=y
771# CONFIG_DEBUG_VM is not set
772# CONFIG_DEBUG_NOMMU_REGIONS is not set
773# CONFIG_DEBUG_WRITECOUNT is not set
774# CONFIG_DEBUG_MEMORY_INIT is not set
775CONFIG_DEBUG_LIST=y 79CONFIG_DEBUG_LIST=y
776CONFIG_DEBUG_SG=y 80CONFIG_DEBUG_SG=y
777# CONFIG_DEBUG_NOTIFIERS is not set
778# CONFIG_DEBUG_CREDENTIALS is not set
779# CONFIG_BOOT_PRINTK_DELAY is not set
780# CONFIG_RCU_TORTURE_TEST is not set
781# CONFIG_RCU_CPU_STALL_DETECTOR is not set 81# CONFIG_RCU_CPU_STALL_DETECTOR is not set
782# CONFIG_BACKTRACE_SELF_TEST is not set
783# CONFIG_DEBUG_BLOCK_EXT_DEVT is not set
784# CONFIG_DEBUG_FORCE_WEAK_PER_CPU is not set
785# CONFIG_LKDTM is not set
786# CONFIG_FAULT_INJECTION is not set
787# CONFIG_LATENCYTOP is not set
788CONFIG_SYSCTL_SYSCALL_CHECK=y 82CONFIG_SYSCTL_SYSCALL_CHECK=y
789# CONFIG_PAGE_POISONING is not set
790CONFIG_HAVE_FUNCTION_TRACER=y
791CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
792CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
793CONFIG_HAVE_DYNAMIC_FTRACE=y
794CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
795CONFIG_TRACING_SUPPORT=y
796CONFIG_FTRACE=y
797# CONFIG_FUNCTION_TRACER is not set
798# CONFIG_IRQSOFF_TRACER is not set
799# CONFIG_SCHED_TRACER is not set
800# CONFIG_ENABLE_DEFAULT_TRACERS is not set
801# CONFIG_BOOT_TRACER is not set
802CONFIG_BRANCH_PROFILE_NONE=y
803# CONFIG_PROFILE_ANNOTATED_BRANCHES is not set
804# CONFIG_PROFILE_ALL_BRANCHES is not set
805# CONFIG_STACK_TRACER is not set
806# CONFIG_KMEMTRACE is not set
807# CONFIG_WORKQUEUE_TRACER is not set
808# CONFIG_BLK_DEV_IO_TRACE is not set
809# CONFIG_DYNAMIC_DEBUG is not set
810# CONFIG_DMA_API_DEBUG is not set
811# CONFIG_SAMPLES is not set
812CONFIG_EARLY_PRINTK=y 83CONFIG_EARLY_PRINTK=y
813# CONFIG_HEART_BEAT is not set
814# CONFIG_DEBUG_BOOTMEM is not set
815
816#
817# Security options
818#
819# CONFIG_KEYS is not set
820# CONFIG_SECURITY is not set
821# CONFIG_SECURITYFS is not set
822# CONFIG_DEFAULT_SECURITY_SELINUX is not set
823# CONFIG_DEFAULT_SECURITY_SMACK is not set
824# CONFIG_DEFAULT_SECURITY_TOMOYO is not set
825CONFIG_DEFAULT_SECURITY_DAC=y
826CONFIG_DEFAULT_SECURITY=""
827CONFIG_CRYPTO=y
828
829#
830# Crypto core or helper
831#
832# CONFIG_CRYPTO_MANAGER is not set
833# CONFIG_CRYPTO_MANAGER2 is not set
834# CONFIG_CRYPTO_GF128MUL is not set
835# CONFIG_CRYPTO_NULL is not set
836# CONFIG_CRYPTO_CRYPTD is not set
837# CONFIG_CRYPTO_AUTHENC is not set
838# CONFIG_CRYPTO_TEST is not set
839
840#
841# Authenticated Encryption with Associated Data
842#
843# CONFIG_CRYPTO_CCM is not set
844# CONFIG_CRYPTO_GCM is not set
845# CONFIG_CRYPTO_SEQIV is not set
846
847#
848# Block modes
849#
850# CONFIG_CRYPTO_CBC is not set
851# CONFIG_CRYPTO_CTR is not set
852# CONFIG_CRYPTO_CTS is not set
853# CONFIG_CRYPTO_ECB is not set
854# CONFIG_CRYPTO_LRW is not set
855# CONFIG_CRYPTO_PCBC is not set
856# CONFIG_CRYPTO_XTS is not set
857
858#
859# Hash modes
860#
861# CONFIG_CRYPTO_HMAC is not set
862# CONFIG_CRYPTO_XCBC is not set
863# CONFIG_CRYPTO_VMAC is not set
864
865#
866# Digest
867#
868# CONFIG_CRYPTO_CRC32C is not set
869# CONFIG_CRYPTO_GHASH is not set
870# CONFIG_CRYPTO_MD4 is not set
871# CONFIG_CRYPTO_MD5 is not set
872# CONFIG_CRYPTO_MICHAEL_MIC is not set
873# CONFIG_CRYPTO_RMD128 is not set
874# CONFIG_CRYPTO_RMD160 is not set
875# CONFIG_CRYPTO_RMD256 is not set
876# CONFIG_CRYPTO_RMD320 is not set
877# CONFIG_CRYPTO_SHA1 is not set
878# CONFIG_CRYPTO_SHA256 is not set
879# CONFIG_CRYPTO_SHA512 is not set
880# CONFIG_CRYPTO_TGR192 is not set
881# CONFIG_CRYPTO_WP512 is not set
882
883#
884# Ciphers
885#
886# CONFIG_CRYPTO_AES is not set
887# CONFIG_CRYPTO_ANUBIS is not set
888# CONFIG_CRYPTO_ARC4 is not set
889# CONFIG_CRYPTO_BLOWFISH is not set
890# CONFIG_CRYPTO_CAMELLIA is not set
891# CONFIG_CRYPTO_CAST5 is not set
892# CONFIG_CRYPTO_CAST6 is not set
893# CONFIG_CRYPTO_DES is not set
894# CONFIG_CRYPTO_FCRYPT is not set
895# CONFIG_CRYPTO_KHAZAD is not set
896# CONFIG_CRYPTO_SALSA20 is not set
897# CONFIG_CRYPTO_SEED is not set
898# CONFIG_CRYPTO_SERPENT is not set
899# CONFIG_CRYPTO_TEA is not set
900# CONFIG_CRYPTO_TWOFISH is not set
901
902#
903# Compression
904#
905# CONFIG_CRYPTO_DEFLATE is not set
906# CONFIG_CRYPTO_ZLIB is not set
907# CONFIG_CRYPTO_LZO is not set
908
909#
910# Random Number Generation
911#
912# CONFIG_CRYPTO_ANSI_CPRNG is not set 84# CONFIG_CRYPTO_ANSI_CPRNG is not set
913CONFIG_CRYPTO_HW=y
914# CONFIG_BINARY_PRINTF is not set
915
916#
917# Library routines
918#
919CONFIG_GENERIC_FIND_LAST_BIT=y
920# CONFIG_CRC_CCITT is not set
921# CONFIG_CRC16 is not set
922# CONFIG_CRC_T10DIF is not set
923# CONFIG_CRC_ITU_T is not set
924# CONFIG_CRC32 is not set 85# CONFIG_CRC32 is not set
925# CONFIG_CRC7 is not set
926# CONFIG_LIBCRC32C is not set
927CONFIG_ZLIB_INFLATE=y
928CONFIG_HAS_IOMEM=y
929CONFIG_HAS_IOPORT=y
930CONFIG_HAS_DMA=y
931CONFIG_HAVE_LMB=y
932CONFIG_NLATTR=y
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h
index a6edd356cd08..7ebd955460d9 100644
--- a/arch/microblaze/include/asm/cacheflush.h
+++ b/arch/microblaze/include/asm/cacheflush.h
@@ -17,6 +17,7 @@
17 17
18/* Somebody depends on this; sigh... */ 18/* Somebody depends on this; sigh... */
19#include <linux/mm.h> 19#include <linux/mm.h>
20#include <linux/io.h>
20 21
21/* Look at Documentation/cachetlb.txt */ 22/* Look at Documentation/cachetlb.txt */
22 23
@@ -60,7 +61,6 @@ void microblaze_cache_init(void);
60#define invalidate_icache() mbc->iin(); 61#define invalidate_icache() mbc->iin();
61#define invalidate_icache_range(start, end) mbc->iinr(start, end); 62#define invalidate_icache_range(start, end) mbc->iinr(start, end);
62 63
63
64#define flush_icache_user_range(vma, pg, adr, len) flush_icache(); 64#define flush_icache_user_range(vma, pg, adr, len) flush_icache();
65#define flush_icache_page(vma, pg) do { } while (0) 65#define flush_icache_page(vma, pg) do { } while (0)
66 66
@@ -72,9 +72,15 @@ void microblaze_cache_init(void);
72#define flush_dcache() mbc->dfl(); 72#define flush_dcache() mbc->dfl();
73#define flush_dcache_range(start, end) mbc->dflr(start, end); 73#define flush_dcache_range(start, end) mbc->dflr(start, end);
74 74
75#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 0 75#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1
76/* D-cache aliasing problem can't happen - cache is between MMU and ram */ 76/* MS: We have to implement it because of rootfs-jffs2 issue on WB */
77#define flush_dcache_page(page) do { } while (0) 77#define flush_dcache_page(page) \
78do { \
79 unsigned long addr = (unsigned long) page_address(page); /* virtual */ \
80 addr = (u32)virt_to_phys((void *)addr); \
81 flush_dcache_range((unsigned) (addr), (unsigned) (addr) + PAGE_SIZE); \
82} while (0);
83
78#define flush_dcache_mmap_lock(mapping) do { } while (0) 84#define flush_dcache_mmap_lock(mapping) do { } while (0)
79#define flush_dcache_mmap_unlock(mapping) do { } while (0) 85#define flush_dcache_mmap_unlock(mapping) do { } while (0)
80 86
@@ -97,8 +103,10 @@ void microblaze_cache_init(void);
97 103
98#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ 104#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
99do { \ 105do { \
106 u32 addr = virt_to_phys(dst); \
107 invalidate_icache_range((unsigned) (addr), (unsigned) (addr) + (len));\
100 memcpy((dst), (src), (len)); \ 108 memcpy((dst), (src), (len)); \
101 flush_icache_range((unsigned) (dst), (unsigned) (dst) + (len)); \ 109 flush_dcache_range((unsigned) (addr), (unsigned) (addr) + (len));\
102} while (0) 110} while (0)
103 111
104#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ 112#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
diff --git a/arch/microblaze/include/asm/dma-mapping.h b/arch/microblaze/include/asm/dma-mapping.h
index 18b3731c8509..8fbb0ec10233 100644
--- a/arch/microblaze/include/asm/dma-mapping.h
+++ b/arch/microblaze/include/asm/dma-mapping.h
@@ -79,12 +79,6 @@ static inline int dma_supported(struct device *dev, u64 mask)
79 return ops->dma_supported(dev, mask); 79 return ops->dma_supported(dev, mask);
80} 80}
81 81
82#ifdef CONFIG_PCI
83/* We have our own implementation of pci_set_dma_mask() */
84#define HAVE_ARCH_PCI_SET_DMA_MASK
85
86#endif
87
88static inline int dma_set_mask(struct device *dev, u64 dma_mask) 82static inline int dma_set_mask(struct device *dev, u64 dma_mask)
89{ 83{
90 struct dma_map_ops *ops = get_dma_ops(dev); 84 struct dma_map_ops *ops = get_dma_ops(dev);
@@ -112,7 +106,6 @@ static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
112 106
113#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) 107#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
114#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) 108#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
115#define dma_is_consistent(d, h) (1)
116 109
117static inline void *dma_alloc_coherent(struct device *dev, size_t size, 110static inline void *dma_alloc_coherent(struct device *dev, size_t size,
118 dma_addr_t *dma_handle, gfp_t flag) 111 dma_addr_t *dma_handle, gfp_t flag)
@@ -138,11 +131,6 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
138 ops->free_coherent(dev, size, cpu_addr, dma_handle); 131 ops->free_coherent(dev, size, cpu_addr, dma_handle);
139} 132}
140 133
141static inline int dma_get_cache_alignment(void)
142{
143 return L1_CACHE_BYTES;
144}
145
146static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, 134static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
147 enum dma_data_direction direction) 135 enum dma_data_direction direction)
148{ 136{
diff --git a/arch/microblaze/include/asm/elf.h b/arch/microblaze/include/asm/elf.h
index 7d4acf2b278e..732caf1be741 100644
--- a/arch/microblaze/include/asm/elf.h
+++ b/arch/microblaze/include/asm/elf.h
@@ -77,7 +77,7 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG];
77#define ELF_DATA ELFDATA2MSB 77#define ELF_DATA ELFDATA2MSB
78#endif 78#endif
79 79
80#define ELF_EXEC_PAGESIZE 4096 80#define ELF_EXEC_PAGESIZE PAGE_SIZE
81 81
82 82
83#define ELF_CORE_COPY_REGS(_dest, _regs) \ 83#define ELF_CORE_COPY_REGS(_dest, _regs) \
diff --git a/arch/microblaze/include/asm/exceptions.h b/arch/microblaze/include/asm/exceptions.h
index 4c7b5d037c88..6479097b802b 100644
--- a/arch/microblaze/include/asm/exceptions.h
+++ b/arch/microblaze/include/asm/exceptions.h
@@ -14,6 +14,11 @@
14#define _ASM_MICROBLAZE_EXCEPTIONS_H 14#define _ASM_MICROBLAZE_EXCEPTIONS_H
15 15
16#ifdef __KERNEL__ 16#ifdef __KERNEL__
17
18#ifndef CONFIG_MMU
19#define EX_HANDLER_STACK_SIZ (4*19)
20#endif
21
17#ifndef __ASSEMBLY__ 22#ifndef __ASSEMBLY__
18 23
19/* Macros to enable and disable HW exceptions in the MSR */ 24/* Macros to enable and disable HW exceptions in the MSR */
@@ -64,22 +69,6 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
64void die(const char *str, struct pt_regs *fp, long err); 69void die(const char *str, struct pt_regs *fp, long err);
65void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr); 70void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr);
66 71
67#if defined(CONFIG_KGDB)
68void (*debugger)(struct pt_regs *regs);
69int (*debugger_bpt)(struct pt_regs *regs);
70int (*debugger_sstep)(struct pt_regs *regs);
71int (*debugger_iabr_match)(struct pt_regs *regs);
72int (*debugger_dabr_match)(struct pt_regs *regs);
73void (*debugger_fault_handler)(struct pt_regs *regs);
74#else
75#define debugger(regs) do { } while (0)
76#define debugger_bpt(regs) 0
77#define debugger_sstep(regs) 0
78#define debugger_iabr_match(regs) 0
79#define debugger_dabr_match(regs) 0
80#define debugger_fault_handler ((void (*)(struct pt_regs *))0)
81#endif
82
83#endif /*__ASSEMBLY__ */ 72#endif /*__ASSEMBLY__ */
84#endif /* __KERNEL__ */ 73#endif /* __KERNEL__ */
85#endif /* _ASM_MICROBLAZE_EXCEPTIONS_H */ 74#endif /* _ASM_MICROBLAZE_EXCEPTIONS_H */
diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h
index 31a35c33df63..ec5583d6111c 100644
--- a/arch/microblaze/include/asm/irq.h
+++ b/arch/microblaze/include/asm/irq.h
@@ -27,17 +27,6 @@ extern unsigned int nr_irq;
27struct pt_regs; 27struct pt_regs;
28extern void do_IRQ(struct pt_regs *regs); 28extern void do_IRQ(struct pt_regs *regs);
29 29
30/**
31 * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space
32 * @device: Device node of the device whose interrupt is to be mapped
33 * @index: Index of the interrupt to map
34 *
35 * This function is a wrapper that chains of_irq_map_one() and
36 * irq_create_of_mapping() to make things easier to callers
37 */
38struct device_node;
39extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index);
40
41/** FIXME - not implement 30/** FIXME - not implement
42 * irq_dispose_mapping - Unmap an interrupt 31 * irq_dispose_mapping - Unmap an interrupt
43 * @virq: linux virq number of the interrupt to unmap 32 * @virq: linux virq number of the interrupt to unmap
@@ -62,17 +51,4 @@ struct irq_host;
62extern unsigned int irq_create_mapping(struct irq_host *host, 51extern unsigned int irq_create_mapping(struct irq_host *host,
63 irq_hw_number_t hwirq); 52 irq_hw_number_t hwirq);
64 53
65/**
66 * irq_create_of_mapping - Map a hardware interrupt into linux virq space
67 * @controller: Device node of the interrupt controller
68 * @inspec: Interrupt specifier from the device-tree
69 * @intsize: Size of the interrupt specifier from the device-tree
70 *
71 * This function is identical to irq_create_mapping except that it takes
72 * as input informations straight from the device-tree (typically the results
73 * of the of_irq_map_*() functions.
74 */
75extern unsigned int irq_create_of_mapping(struct device_node *controller,
76 u32 *intspec, unsigned int intsize);
77
78#endif /* _ASM_MICROBLAZE_IRQ_H */ 54#endif /* _ASM_MICROBLAZE_IRQ_H */
diff --git a/arch/microblaze/include/asm/kgdb.h b/arch/microblaze/include/asm/kgdb.h
new file mode 100644
index 000000000000..78b17d40b235
--- /dev/null
+++ b/arch/microblaze/include/asm/kgdb.h
@@ -0,0 +1,28 @@
1#ifdef __KERNEL__
2#ifndef __MICROBLAZE_KGDB_H__
3#define __MICROBLAZE_KGDB_H__
4
5#ifndef __ASSEMBLY__
6
7#define CACHE_FLUSH_IS_SAFE 1
8#define BUFMAX 2048
9
10/*
11 * 32 32-bit general purpose registers (r0-r31)
12 * 6 32-bit special registers (pc, msr, ear, esr, fsr, btr)
13 * 12 32-bit PVR
14 * 7 32-bit MMU Regs (redr, rpid, rzpr, rtlbx, rtlbsx, rtlblo, rtlbhi)
15 * ------
16 * 57 registers
17 */
18#define NUMREGBYTES (57 * 4)
19
20#define BREAK_INSTR_SIZE 4
21static inline void arch_kgdb_breakpoint(void)
22{
23 __asm__ __volatile__("brki r16, 0x18;");
24}
25
26#endif /* __ASSEMBLY__ */
27#endif /* __MICROBLAZE_KGDB_H__ */
28#endif /* __KERNEL__ */
diff --git a/arch/microblaze/include/asm/local64.h b/arch/microblaze/include/asm/local64.h
new file mode 100644
index 000000000000..36c93b5cc239
--- /dev/null
+++ b/arch/microblaze/include/asm/local64.h
@@ -0,0 +1 @@
#include <asm-generic/local64.h>
diff --git a/arch/microblaze/include/asm/of_device.h b/arch/microblaze/include/asm/of_device.h
deleted file mode 100644
index 73cb98040982..000000000000
--- a/arch/microblaze/include/asm/of_device.h
+++ /dev/null
@@ -1,44 +0,0 @@
1/*
2 * Copyright (C) 2007-2008 Michal Simek <monstr@monstr.eu>
3 *
4 * based on PowerPC of_device.h
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10
11#ifndef _ASM_MICROBLAZE_OF_DEVICE_H
12#define _ASM_MICROBLAZE_OF_DEVICE_H
13#ifdef __KERNEL__
14
15#include <linux/device.h>
16#include <linux/of.h>
17
18/*
19 * The of_device is a kind of "base class" that is a superset of
20 * struct device for use by devices attached to an OF node and
21 * probed using OF properties.
22 */
23struct of_device {
24 struct device dev; /* Generic device interface */
25 struct pdev_archdata archdata;
26};
27
28extern ssize_t of_device_get_modalias(struct of_device *ofdev,
29 char *str, ssize_t len);
30
31extern struct of_device *of_device_alloc(struct device_node *np,
32 const char *bus_id,
33 struct device *parent);
34
35extern int of_device_uevent(struct device *dev,
36 struct kobj_uevent_env *env);
37
38extern void of_device_make_bus_id(struct of_device *dev);
39
40/* This is just here during the transition */
41#include <linux/of_device.h>
42
43#endif /* __KERNEL__ */
44#endif /* _ASM_MICROBLAZE_OF_DEVICE_H */
diff --git a/arch/microblaze/include/asm/of_platform.h b/arch/microblaze/include/asm/of_platform.h
deleted file mode 100644
index 37491276c6ca..000000000000
--- a/arch/microblaze/include/asm/of_platform.h
+++ /dev/null
@@ -1,54 +0,0 @@
1/*
2 * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
3 * <benh@kernel.crashing.org>
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * as published by the Free Software Foundation; either version
8 * 2 of the License, or (at your option) any later version.
9 */
10
11#ifndef _ASM_MICROBLAZE_OF_PLATFORM_H
12#define _ASM_MICROBLAZE_OF_PLATFORM_H
13
14/* This is just here during the transition */
15#include <linux/of_platform.h>
16
17/*
18 * The list of OF IDs below is used for matching bus types in the
19 * system whose devices are to be exposed as of_platform_devices.
20 *
21 * This is the default list valid for most platforms. This file provides
22 * functions who can take an explicit list if necessary though
23 *
24 * The search is always performed recursively looking for children of
25 * the provided device_node and recursively if such a children matches
26 * a bus type in the list
27 */
28
29static const struct of_device_id of_default_bus_ids[] = {
30 { .type = "soc", },
31 { .compatible = "soc", },
32 { .type = "plb5", },
33 { .type = "plb4", },
34 { .type = "opb", },
35 { .type = "simple", },
36 {},
37};
38
39/* Platform devices and busses creation */
40extern struct of_device *of_platform_device_create(struct device_node *np,
41 const char *bus_id,
42 struct device *parent);
43/* pseudo "matches" value to not do deep probe */
44#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)
45
46extern int of_platform_bus_probe(struct device_node *root,
47 const struct of_device_id *matches,
48 struct device *parent);
49
50extern struct of_device *of_find_device_by_phandle(phandle ph);
51
52extern void of_instantiate_rtc(void);
53
54#endif /* _ASM_MICROBLAZE_OF_PLATFORM_H */
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 464ff32bee3d..cf377d91da71 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -23,8 +23,16 @@
23#ifdef __KERNEL__ 23#ifdef __KERNEL__
24 24
25/* PAGE_SHIFT determines the page size */ 25/* PAGE_SHIFT determines the page size */
26#define PAGE_SHIFT (12) 26#if defined(CONFIG_MICROBLAZE_32K_PAGES)
27#define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) 27#define PAGE_SHIFT 15
28#elif defined(CONFIG_MICROBLAZE_16K_PAGES)
29#define PAGE_SHIFT 14
30#elif defined(CONFIG_MICROBLAZE_8K_PAGES)
31#define PAGE_SHIFT 13
32#else
33#define PAGE_SHIFT 12
34#endif
35#define PAGE_SIZE (ASM_CONST(1) << PAGE_SHIFT)
28#define PAGE_MASK (~(PAGE_SIZE-1)) 36#define PAGE_MASK (~(PAGE_SIZE-1))
29 37
30#define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR)) 38#define LOAD_OFFSET ASM_CONST((CONFIG_KERNEL_START-CONFIG_KERNEL_BASE_ADDR))
@@ -32,20 +40,13 @@
32#ifndef __ASSEMBLY__ 40#ifndef __ASSEMBLY__
33 41
34/* MS be sure that SLAB allocates aligned objects */ 42/* MS be sure that SLAB allocates aligned objects */
35#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES 43#define ARCH_DMA_MINALIGN L1_CACHE_BYTES
36 44
37#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES 45#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES
38 46
39#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1))) 47#define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1)))
40#define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1))) 48#define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1)))
41 49
42/* align addr on a size boundary - adjust address up/down if needed */
43#define _ALIGN_UP(addr, size) (((addr)+((size)-1))&(~((size)-1)))
44#define _ALIGN_DOWN(addr, size) ((addr)&(~((size)-1)))
45
46/* align addr on a size boundary - adjust address up if needed */
47#define _ALIGN(addr, size) _ALIGN_UP(addr, size)
48
49#ifndef CONFIG_MMU 50#ifndef CONFIG_MMU
50/* 51/*
51 * PAGE_OFFSET -- the first address of the first page of memory. When not 52 * PAGE_OFFSET -- the first address of the first page of memory. When not
diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h
index 0c77cda9f5d8..0c68764ab547 100644
--- a/arch/microblaze/include/asm/pci-bridge.h
+++ b/arch/microblaze/include/asm/pci-bridge.h
@@ -172,13 +172,8 @@ static inline int pci_has_flag(int flag)
172 172
173extern struct list_head hose_list; 173extern struct list_head hose_list;
174 174
175extern unsigned long pci_address_to_pio(phys_addr_t address);
176extern int pcibios_vaddr_is_ioport(void __iomem *address); 175extern int pcibios_vaddr_is_ioport(void __iomem *address);
177#else 176#else
178static inline unsigned long pci_address_to_pio(phys_addr_t address)
179{
180 return (unsigned long)-1;
181}
182static inline int pcibios_vaddr_is_ioport(void __iomem *address) 177static inline int pcibios_vaddr_is_ioport(void __iomem *address)
183{ 178{
184 return 0; 179 return 0;
diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h
index e7d67a329bd7..101fa098f62a 100644
--- a/arch/microblaze/include/asm/prom.h
+++ b/arch/microblaze/include/asm/prom.h
@@ -20,9 +20,6 @@
20#ifndef __ASSEMBLY__ 20#ifndef __ASSEMBLY__
21 21
22#include <linux/types.h> 22#include <linux/types.h>
23#include <linux/of_fdt.h>
24#include <linux/proc_fs.h>
25#include <linux/platform_device.h>
26#include <asm/irq.h> 23#include <asm/irq.h>
27#include <asm/atomic.h> 24#include <asm/atomic.h>
28 25
@@ -50,29 +47,10 @@ extern void pci_create_OF_bus_map(void);
50 * OF address retreival & translation 47 * OF address retreival & translation
51 */ 48 */
52 49
53/* Translate an OF address block into a CPU physical address 50#ifdef CONFIG_PCI
54 */ 51extern unsigned long pci_address_to_pio(phys_addr_t address);
55extern u64 of_translate_address(struct device_node *np, const u32 *addr); 52#define pci_address_to_pio pci_address_to_pio
56 53#endif /* CONFIG_PCI */
57/* Extract an address from a device, returns the region size and
58 * the address space flags too. The PCI version uses a BAR number
59 * instead of an absolute index
60 */
61extern const u32 *of_get_address(struct device_node *dev, int index,
62 u64 *size, unsigned int *flags);
63extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
64 u64 *size, unsigned int *flags);
65
66/* Get an address as a resource. Note that if your address is
67 * a PIO address, the conversion will fail if the physical address
68 * can't be internally converted to an IO token with
69 * pci_address_to_pio(), that is because it's either called to early
70 * or it can't be matched to any host bridge IO space
71 */
72extern int of_address_to_resource(struct device_node *dev, int index,
73 struct resource *r);
74extern int of_pci_address_to_resource(struct device_node *dev, int bar,
75 struct resource *r);
76 54
77/* Parse the ibm,dma-window property of an OF node into the busno, phys and 55/* Parse the ibm,dma-window property of an OF node into the busno, phys and
78 * size parameters. 56 * size parameters.
@@ -88,69 +66,6 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread);
88/* Get the MAC address */ 66/* Get the MAC address */
89extern const void *of_get_mac_address(struct device_node *np); 67extern const void *of_get_mac_address(struct device_node *np);
90 68
91/*
92 * OF interrupt mapping
93 */
94
95/* This structure is returned when an interrupt is mapped. The controller
96 * field needs to be put() after use
97 */
98
99#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */
100
101struct of_irq {
102 struct device_node *controller; /* Interrupt controller node */
103 u32 size; /* Specifier size */
104 u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
105};
106
107/**
108 * of_irq_map_init - Initialize the irq remapper
109 * @flags: flags defining workarounds to enable
110 *
111 * Some machines have bugs in the device-tree which require certain workarounds
112 * to be applied. Call this before any interrupt mapping attempts to enable
113 * those workarounds.
114 */
115#define OF_IMAP_OLDWORLD_MAC 0x00000001
116#define OF_IMAP_NO_PHANDLE 0x00000002
117
118extern void of_irq_map_init(unsigned int flags);
119
120/**
121 * of_irq_map_raw - Low level interrupt tree parsing
122 * @parent: the device interrupt parent
123 * @intspec: interrupt specifier ("interrupts" property of the device)
124 * @ointsize: size of the passed in interrupt specifier
125 * @addr: address specifier (start of "reg" property of the device)
126 * @out_irq: structure of_irq filled by this function
127 *
128 * Returns 0 on success and a negative number on error
129 *
130 * This function is a low-level interrupt tree walking function. It
131 * can be used to do a partial walk with synthetized reg and interrupts
132 * properties, for example when resolving PCI interrupts when no device
133 * node exist for the parent.
134 *
135 */
136
137extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
138 u32 ointsize, const u32 *addr,
139 struct of_irq *out_irq);
140
141/**
142 * of_irq_map_one - Resolve an interrupt for a device
143 * @device: the device whose interrupt is to be resolved
144 * @index: index of the interrupt to resolve
145 * @out_irq: structure of_irq filled by this function
146 *
147 * This function resolves an interrupt, walking the tree, for a given
148 * device-tree node. It's the high level pendant to of_irq_map_raw().
149 * It also implements the workarounds for OldWolrd Macs.
150 */
151extern int of_irq_map_one(struct device_node *device, int index,
152 struct of_irq *out_irq);
153
154/** 69/**
155 * of_irq_map_pci - Resolve the interrupt for a PCI device 70 * of_irq_map_pci - Resolve the interrupt for a PCI device
156 * @pdev: the device whose interrupt is to be resolved 71 * @pdev: the device whose interrupt is to be resolved
@@ -163,20 +78,18 @@ extern int of_irq_map_one(struct device_node *device, int index,
163 * resolving using the OF tree walking. 78 * resolving using the OF tree walking.
164 */ 79 */
165struct pci_dev; 80struct pci_dev;
81struct of_irq;
166extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); 82extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
167 83
168extern int of_irq_to_resource(struct device_node *dev, int index,
169 struct resource *r);
170
171/**
172 * of_iomap - Maps the memory mapped IO for a given device_node
173 * @device: the device whose io range will be mapped
174 * @index: index of the io range
175 *
176 * Returns a pointer to the mapped memory
177 */
178extern void __iomem *of_iomap(struct device_node *device, int index);
179
180#endif /* __ASSEMBLY__ */ 84#endif /* __ASSEMBLY__ */
181#endif /* __KERNEL__ */ 85#endif /* __KERNEL__ */
86
87/* These includes are put at the bottom because they may contain things
88 * that are overridden by this file. Ideally they shouldn't be included
89 * by this file, but there are a bunch of .c files that currently depend
90 * on it. Eventually they will be cleaned up. */
91#include <linux/of_fdt.h>
92#include <linux/of_irq.h>
93#include <linux/platform_device.h>
94
182#endif /* _ASM_MICROBLAZE_PROM_H */ 95#endif /* _ASM_MICROBLAZE_PROM_H */
diff --git a/arch/microblaze/include/asm/pvr.h b/arch/microblaze/include/asm/pvr.h
index e38abc7714b6..9578666e98ba 100644
--- a/arch/microblaze/include/asm/pvr.h
+++ b/arch/microblaze/include/asm/pvr.h
@@ -16,7 +16,7 @@
16#define PVR_MSR_BIT 0x400 16#define PVR_MSR_BIT 0x400
17 17
18struct pvr_s { 18struct pvr_s {
19 unsigned pvr[16]; 19 unsigned pvr[12];
20}; 20};
21 21
22/* The following taken from Xilinx's standalone BSP pvr.h */ 22/* The following taken from Xilinx's standalone BSP pvr.h */
diff --git a/arch/microblaze/include/asm/scatterlist.h b/arch/microblaze/include/asm/scatterlist.h
index dc4a8900cc80..35d786fe93ae 100644
--- a/arch/microblaze/include/asm/scatterlist.h
+++ b/arch/microblaze/include/asm/scatterlist.h
@@ -1,3 +1 @@
1#include <asm-generic/scatterlist.h> #include <asm-generic/scatterlist.h>
2
3#define ISA_DMA_THRESHOLD (~0UL)
diff --git a/arch/microblaze/include/asm/setup.h b/arch/microblaze/include/asm/setup.h
index 7f31394985e0..782b5c89248e 100644
--- a/arch/microblaze/include/asm/setup.h
+++ b/arch/microblaze/include/asm/setup.h
@@ -28,8 +28,6 @@ void disable_early_printk(void);
28void heartbeat(void); 28void heartbeat(void);
29void setup_heartbeat(void); 29void setup_heartbeat(void);
30 30
31unsigned long long sched_clock(void);
32
33# ifdef CONFIG_MMU 31# ifdef CONFIG_MMU
34extern void mmu_reset(void); 32extern void mmu_reset(void);
35extern void early_console_reg_tlb_alloc(unsigned int addr); 33extern void early_console_reg_tlb_alloc(unsigned int addr);
diff --git a/arch/microblaze/include/asm/system.h b/arch/microblaze/include/asm/system.h
index 48c4f0335e3f..e6a2284571dc 100644
--- a/arch/microblaze/include/asm/system.h
+++ b/arch/microblaze/include/asm/system.h
@@ -45,7 +45,6 @@ extern struct task_struct *_switch_to(struct thread_info *prev,
45#define smp_rmb() rmb() 45#define smp_rmb() rmb()
46#define smp_wmb() wmb() 46#define smp_wmb() wmb()
47 47
48void show_trace(struct task_struct *task, unsigned long *stack);
49void __bad_xchg(volatile void *ptr, int size); 48void __bad_xchg(volatile void *ptr, int size);
50 49
51static inline unsigned long __xchg(unsigned long x, volatile void *ptr, 50static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
@@ -101,10 +100,7 @@ extern struct dentry *of_debugfs_root;
101 * MicroBlaze doesn't handle unaligned accesses in hardware. 100 * MicroBlaze doesn't handle unaligned accesses in hardware.
102 * 101 *
103 * Based on this we force the IP header alignment in network drivers. 102 * Based on this we force the IP header alignment in network drivers.
104 * We also modify NET_SKB_PAD to be a cacheline in size, thus maintaining
105 * cacheline alignment of buffers.
106 */ 103 */
107#define NET_IP_ALIGN 2 104#define NET_IP_ALIGN 2
108#define NET_SKB_PAD L1_CACHE_BYTES
109 105
110#endif /* _ASM_MICROBLAZE_SYSTEM_H */ 106#endif /* _ASM_MICROBLAZE_SYSTEM_H */
diff --git a/arch/microblaze/include/asm/topology.h b/arch/microblaze/include/asm/topology.h
index 96bcea5a9920..5428f333a02c 100644
--- a/arch/microblaze/include/asm/topology.h
+++ b/arch/microblaze/include/asm/topology.h
@@ -1,11 +1 @@
1#include <asm-generic/topology.h> #include <asm-generic/topology.h>
2
3#ifndef _ASM_MICROBLAZE_TOPOLOGY_H
4#define _ASM_MICROBLAZE_TOPOLOGY_H
5
6struct device_node;
7static inline int of_node_to_nid(struct device_node *device)
8{
9 return 0;
10}
11#endif /* _ASM_MICROBLAZE_TOPOLOGY_H */
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index 26460d15b338..d840f4a2d3c9 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -359,7 +359,7 @@ extern long __user_bad(void);
359 __copy_tofrom_user((__force void __user *)(to), \ 359 __copy_tofrom_user((__force void __user *)(to), \
360 (void __user *)(from), (n)) 360 (void __user *)(from), (n))
361#define __copy_from_user_inatomic(to, from, n) \ 361#define __copy_from_user_inatomic(to, from, n) \
362 copy_from_user((to), (from), (n)) 362 __copy_from_user((to), (from), (n))
363 363
364static inline long copy_from_user(void *to, 364static inline long copy_from_user(void *to,
365 const void __user *from, unsigned long n) 365 const void __user *from, unsigned long n)
@@ -373,7 +373,7 @@ static inline long copy_from_user(void *to,
373#define __copy_to_user(to, from, n) \ 373#define __copy_to_user(to, from, n) \
374 __copy_tofrom_user((void __user *)(to), \ 374 __copy_tofrom_user((void __user *)(to), \
375 (__force const void __user *)(from), (n)) 375 (__force const void __user *)(from), (n))
376#define __copy_to_user_inatomic(to, from, n) copy_to_user((to), (from), (n)) 376#define __copy_to_user_inatomic(to, from, n) __copy_to_user((to), (from), (n))
377 377
378static inline long copy_to_user(void __user *to, 378static inline long copy_to_user(void __user *to,
379 const void *from, unsigned long n) 379 const void *from, unsigned long n)
diff --git a/arch/microblaze/include/asm/unwind.h b/arch/microblaze/include/asm/unwind.h
new file mode 100644
index 000000000000..d248b7de4b13
--- /dev/null
+++ b/arch/microblaze/include/asm/unwind.h
@@ -0,0 +1,29 @@
1/*
2 * Backtrace support for Microblaze
3 *
4 * Copyright (C) 2010 Digital Design Corporation
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10
11#ifndef __MICROBLAZE_UNWIND_H
12#define __MICROBLAZE_UNWIND_H
13
14struct stack_trace;
15
16struct trap_handler_info {
17 unsigned long start_addr;
18 unsigned long end_addr;
19 const char *trap_name;
20};
21extern struct trap_handler_info microblaze_trap_handlers;
22
23extern const char _hw_exception_handler;
24extern const char ex_handler_unhandled;
25
26void microblaze_unwind(struct task_struct *task, struct stack_trace *trace);
27
28#endif /* __MICROBLAZE_UNWIND_H */
29
diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile
index e51bc1520825..f0cb5c26c81c 100644
--- a/arch/microblaze/kernel/Makefile
+++ b/arch/microblaze/kernel/Makefile
@@ -15,9 +15,9 @@ endif
15extra-y := head.o vmlinux.lds 15extra-y := head.o vmlinux.lds
16 16
17obj-y += dma.o exceptions.o \ 17obj-y += dma.o exceptions.o \
18 hw_exception_handler.o init_task.o intc.o irq.o of_device.o \ 18 hw_exception_handler.o init_task.o intc.o irq.o \
19 of_platform.o process.o prom.o prom_parse.o ptrace.o \ 19 process.o prom.o prom_parse.o ptrace.o \
20 setup.o signal.o sys_microblaze.o timer.o traps.o reset.o 20 reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o
21 21
22obj-y += cpu/ 22obj-y += cpu/
23 23
@@ -28,5 +28,6 @@ obj-$(CONFIG_MODULES) += microblaze_ksyms.o module.o
28obj-$(CONFIG_MMU) += misc.o 28obj-$(CONFIG_MMU) += misc.o
29obj-$(CONFIG_STACKTRACE) += stacktrace.o 29obj-$(CONFIG_STACKTRACE) += stacktrace.o
30obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o mcount.o 30obj-$(CONFIG_FUNCTION_TRACER) += ftrace.o mcount.o
31obj-$(CONFIG_KGDB) += kgdb.o
31 32
32obj-y += entry$(MMU).o 33obj-y += entry$(MMU).o
diff --git a/arch/microblaze/kernel/cpu/mb.c b/arch/microblaze/kernel/cpu/mb.c
index 4216eb1eaa32..7086e3564281 100644
--- a/arch/microblaze/kernel/cpu/mb.c
+++ b/arch/microblaze/kernel/cpu/mb.c
@@ -126,6 +126,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
126 cpuinfo.pvr_user1, 126 cpuinfo.pvr_user1,
127 cpuinfo.pvr_user2); 127 cpuinfo.pvr_user2);
128 128
129 count += seq_printf(m, "Page size:\t%lu\n", PAGE_SIZE);
129 return 0; 130 return 0;
130} 131}
131 132
diff --git a/arch/microblaze/kernel/entry-nommu.S b/arch/microblaze/kernel/entry-nommu.S
index 8cc18cd2cce6..ca84368570b6 100644
--- a/arch/microblaze/kernel/entry-nommu.S
+++ b/arch/microblaze/kernel/entry-nommu.S
@@ -588,3 +588,31 @@ sys_rt_sigsuspend_wrapper:
588#include "syscall_table.S" 588#include "syscall_table.S"
589 589
590syscall_table_size=(.-sys_call_table) 590syscall_table_size=(.-sys_call_table)
591
592type_SYSCALL:
593 .ascii "SYSCALL\0"
594type_IRQ:
595 .ascii "IRQ\0"
596type_IRQ_PREEMPT:
597 .ascii "IRQ (PREEMPTED)\0"
598type_SYSCALL_PREEMPT:
599 .ascii " SYSCALL (PREEMPTED)\0"
600
601 /*
602 * Trap decoding for stack unwinder
603 * Tuples are (start addr, end addr, string)
604 * If return address lies on [start addr, end addr],
605 * unwinder displays 'string'
606 */
607
608 .align 4
609.global microblaze_trap_handlers
610microblaze_trap_handlers:
611 /* Exact matches come first */
612 .word ret_to_user ; .word ret_to_user ; .word type_SYSCALL
613 .word ret_from_intr; .word ret_from_intr ; .word type_IRQ
614 /* Fuzzy matches go here */
615 .word ret_from_intr; .word no_intr_resched; .word type_IRQ_PREEMPT
616 .word work_pending ; .word no_work_pending; .word type_SYSCALL_PREEMPT
617 /* End of table */
618 .word 0 ; .word 0 ; .word 0
diff --git a/arch/microblaze/kernel/entry.S b/arch/microblaze/kernel/entry.S
index c0ede25c5b99..304882e56459 100644
--- a/arch/microblaze/kernel/entry.S
+++ b/arch/microblaze/kernel/entry.S
@@ -48,128 +48,107 @@
48 */ 48 */
49#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR 49#if CONFIG_XILINX_MICROBLAZE0_USE_MSR_INSTR
50 .macro clear_bip 50 .macro clear_bip
51 msrclr r11, MSR_BIP 51 msrclr r0, MSR_BIP
52 nop
53 .endm 52 .endm
54 53
55 .macro set_bip 54 .macro set_bip
56 msrset r11, MSR_BIP 55 msrset r0, MSR_BIP
57 nop
58 .endm 56 .endm
59 57
60 .macro clear_eip 58 .macro clear_eip
61 msrclr r11, MSR_EIP 59 msrclr r0, MSR_EIP
62 nop
63 .endm 60 .endm
64 61
65 .macro set_ee 62 .macro set_ee
66 msrset r11, MSR_EE 63 msrset r0, MSR_EE
67 nop
68 .endm 64 .endm
69 65
70 .macro disable_irq 66 .macro disable_irq
71 msrclr r11, MSR_IE 67 msrclr r0, MSR_IE
72 nop
73 .endm 68 .endm
74 69
75 .macro enable_irq 70 .macro enable_irq
76 msrset r11, MSR_IE 71 msrset r0, MSR_IE
77 nop
78 .endm 72 .endm
79 73
80 .macro set_ums 74 .macro set_ums
81 msrset r11, MSR_UMS 75 msrset r0, MSR_UMS
82 nop 76 msrclr r0, MSR_VMS
83 msrclr r11, MSR_VMS
84 nop
85 .endm 77 .endm
86 78
87 .macro set_vms 79 .macro set_vms
88 msrclr r11, MSR_UMS 80 msrclr r0, MSR_UMS
89 nop 81 msrset r0, MSR_VMS
90 msrset r11, MSR_VMS 82 .endm
91 nop 83
84 .macro clear_ums
85 msrclr r0, MSR_UMS
92 .endm 86 .endm
93 87
94 .macro clear_vms_ums 88 .macro clear_vms_ums
95 msrclr r11, MSR_VMS 89 msrclr r0, MSR_VMS | MSR_UMS
96 nop
97 msrclr r11, MSR_UMS
98 nop
99 .endm 90 .endm
100#else 91#else
101 .macro clear_bip 92 .macro clear_bip
102 mfs r11, rmsr 93 mfs r11, rmsr
103 nop
104 andi r11, r11, ~MSR_BIP 94 andi r11, r11, ~MSR_BIP
105 mts rmsr, r11 95 mts rmsr, r11
106 nop
107 .endm 96 .endm
108 97
109 .macro set_bip 98 .macro set_bip
110 mfs r11, rmsr 99 mfs r11, rmsr
111 nop
112 ori r11, r11, MSR_BIP 100 ori r11, r11, MSR_BIP
113 mts rmsr, r11 101 mts rmsr, r11
114 nop
115 .endm 102 .endm
116 103
117 .macro clear_eip 104 .macro clear_eip
118 mfs r11, rmsr 105 mfs r11, rmsr
119 nop
120 andi r11, r11, ~MSR_EIP 106 andi r11, r11, ~MSR_EIP
121 mts rmsr, r11 107 mts rmsr, r11
122 nop
123 .endm 108 .endm
124 109
125 .macro set_ee 110 .macro set_ee
126 mfs r11, rmsr 111 mfs r11, rmsr
127 nop
128 ori r11, r11, MSR_EE 112 ori r11, r11, MSR_EE
129 mts rmsr, r11 113 mts rmsr, r11
130 nop
131 .endm 114 .endm
132 115
133 .macro disable_irq 116 .macro disable_irq
134 mfs r11, rmsr 117 mfs r11, rmsr
135 nop
136 andi r11, r11, ~MSR_IE 118 andi r11, r11, ~MSR_IE
137 mts rmsr, r11 119 mts rmsr, r11
138 nop
139 .endm 120 .endm
140 121
141 .macro enable_irq 122 .macro enable_irq
142 mfs r11, rmsr 123 mfs r11, rmsr
143 nop
144 ori r11, r11, MSR_IE 124 ori r11, r11, MSR_IE
145 mts rmsr, r11 125 mts rmsr, r11
146 nop
147 .endm 126 .endm
148 127
149 .macro set_ums 128 .macro set_ums
150 mfs r11, rmsr 129 mfs r11, rmsr
151 nop
152 ori r11, r11, MSR_VMS 130 ori r11, r11, MSR_VMS
153 andni r11, r11, MSR_UMS 131 andni r11, r11, MSR_UMS
154 mts rmsr, r11 132 mts rmsr, r11
155 nop
156 .endm 133 .endm
157 134
158 .macro set_vms 135 .macro set_vms
159 mfs r11, rmsr 136 mfs r11, rmsr
160 nop
161 ori r11, r11, MSR_VMS 137 ori r11, r11, MSR_VMS
162 andni r11, r11, MSR_UMS 138 andni r11, r11, MSR_UMS
163 mts rmsr, r11 139 mts rmsr, r11
164 nop 140 .endm
141
142 .macro clear_ums
143 mfs r11, rmsr
144 andni r11, r11, MSR_UMS
145 mts rmsr,r11
165 .endm 146 .endm
166 147
167 .macro clear_vms_ums 148 .macro clear_vms_ums
168 mfs r11, rmsr 149 mfs r11, rmsr
169 nop
170 andni r11, r11, (MSR_VMS|MSR_UMS) 150 andni r11, r11, (MSR_VMS|MSR_UMS)
171 mts rmsr,r11 151 mts rmsr,r11
172 nop
173 .endm 152 .endm
174#endif 153#endif
175 154
@@ -180,18 +159,22 @@
180 159
181/* turn on virtual protected mode save */ 160/* turn on virtual protected mode save */
182#define VM_ON \ 161#define VM_ON \
183 set_ums; \ 162 set_ums; \
184 rted r0, 2f; \ 163 rted r0, 2f; \
1852: nop; 164 nop; \
1652:
186 166
187/* turn off virtual protected mode save and user mode save*/ 167/* turn off virtual protected mode save and user mode save*/
188#define VM_OFF \ 168#define VM_OFF \
189 clear_vms_ums; \ 169 clear_vms_ums; \
190 rted r0, TOPHYS(1f); \ 170 rted r0, TOPHYS(1f); \
1911: nop; 171 nop; \
1721:
192 173
193#define SAVE_REGS \ 174#define SAVE_REGS \
194 swi r2, r1, PTO+PT_R2; /* Save SDA */ \ 175 swi r2, r1, PTO+PT_R2; /* Save SDA */ \
176 swi r3, r1, PTO+PT_R3; \
177 swi r4, r1, PTO+PT_R4; \
195 swi r5, r1, PTO+PT_R5; \ 178 swi r5, r1, PTO+PT_R5; \
196 swi r6, r1, PTO+PT_R6; \ 179 swi r6, r1, PTO+PT_R6; \
197 swi r7, r1, PTO+PT_R7; \ 180 swi r7, r1, PTO+PT_R7; \
@@ -218,14 +201,14 @@
218 swi r30, r1, PTO+PT_R30; \ 201 swi r30, r1, PTO+PT_R30; \
219 swi r31, r1, PTO+PT_R31; /* Save current task reg */ \ 202 swi r31, r1, PTO+PT_R31; /* Save current task reg */ \
220 mfs r11, rmsr; /* save MSR */ \ 203 mfs r11, rmsr; /* save MSR */ \
221 nop; \
222 swi r11, r1, PTO+PT_MSR; 204 swi r11, r1, PTO+PT_MSR;
223 205
224#define RESTORE_REGS \ 206#define RESTORE_REGS \
225 lwi r11, r1, PTO+PT_MSR; \ 207 lwi r11, r1, PTO+PT_MSR; \
226 mts rmsr , r11; \ 208 mts rmsr , r11; \
227 nop; \
228 lwi r2, r1, PTO+PT_R2; /* restore SDA */ \ 209 lwi r2, r1, PTO+PT_R2; /* restore SDA */ \
210 lwi r3, r1, PTO+PT_R3; \
211 lwi r4, r1, PTO+PT_R4; \
229 lwi r5, r1, PTO+PT_R5; \ 212 lwi r5, r1, PTO+PT_R5; \
230 lwi r6, r1, PTO+PT_R6; \ 213 lwi r6, r1, PTO+PT_R6; \
231 lwi r7, r1, PTO+PT_R7; \ 214 lwi r7, r1, PTO+PT_R7; \
@@ -252,6 +235,39 @@
252 lwi r30, r1, PTO+PT_R30; \ 235 lwi r30, r1, PTO+PT_R30; \
253 lwi r31, r1, PTO+PT_R31; /* Restore cur task reg */ 236 lwi r31, r1, PTO+PT_R31; /* Restore cur task reg */
254 237
238#define SAVE_STATE \
239 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* save stack */ \
240 /* See if already in kernel mode.*/ \
241 mfs r1, rmsr; \
242 andi r1, r1, MSR_UMS; \
243 bnei r1, 1f; \
244 /* Kernel-mode state save. */ \
245 /* Reload kernel stack-ptr. */ \
246 lwi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); \
247 /* FIXME: I can add these two lines to one */ \
248 /* tophys(r1,r1); */ \
249 /* addik r1, r1, -STATE_SAVE_SIZE; */ \
250 addik r1, r1, CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START - STATE_SAVE_SIZE; \
251 SAVE_REGS \
252 brid 2f; \
253 swi r1, r1, PTO+PT_MODE; \
2541: /* User-mode state save. */ \
255 lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */\
256 tophys(r1,r1); \
257 lwi r1, r1, TS_THREAD_INFO; /* get the thread info */ \
258 /* MS these three instructions can be added to one */ \
259 /* addik r1, r1, THREAD_SIZE; */ \
260 /* tophys(r1,r1); */ \
261 /* addik r1, r1, -STATE_SAVE_SIZE; */ \
262 addik r1, r1, THREAD_SIZE + CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START - STATE_SAVE_SIZE; \
263 SAVE_REGS \
264 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); \
265 swi r11, r1, PTO+PT_R1; /* Store user SP. */ \
266 swi r0, r1, PTO + PT_MODE; /* Was in user-mode. */ \
267 /* MS: I am clearing UMS even in case when I come from kernel space */ \
268 clear_ums; \
2692: lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
270
255.text 271.text
256 272
257/* 273/*
@@ -267,45 +283,23 @@
267 * are masked. This is nice, means we don't have to CLI before state save 283 * are masked. This is nice, means we don't have to CLI before state save
268 */ 284 */
269C_ENTRY(_user_exception): 285C_ENTRY(_user_exception):
270 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
271 addi r14, r14, 4 /* return address is 4 byte after call */ 286 addi r14, r14, 4 /* return address is 4 byte after call */
272 swi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* Save r11 */ 287 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
273
274 lwi r11, r0, TOPHYS(PER_CPU(KM));/* See if already in kernel mode.*/
275 beqi r11, 1f; /* Jump ahead if coming from user */
276/* Kernel-mode state save. */
277 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* Reload kernel stack-ptr*/
278 tophys(r1,r11);
279 swi r11, r1, (PT_R1-PT_SIZE); /* Save original SP. */
280 lwi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* restore r11 */
281
282 addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */
283 SAVE_REGS
284
285 addi r11, r0, 1; /* Was in kernel-mode. */
286 swi r11, r1, PTO+PT_MODE; /* pt_regs -> kernel mode */
287 brid 2f;
288 nop; /* Fill delay slot */
289 288
290/* User-mode state save. */
2911:
292 lwi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* restore r11 */
293 lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */ 289 lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */
294 tophys(r1,r1); 290 tophys(r1,r1);
295 lwi r1, r1, TS_THREAD_INFO; /* get stack from task_struct */ 291 lwi r1, r1, TS_THREAD_INFO; /* get stack from task_struct */
296/* calculate kernel stack pointer from task struct 8k */ 292 /* MS these three instructions can be added to one */
297 addik r1, r1, THREAD_SIZE; 293 /* addik r1, r1, THREAD_SIZE; */
298 tophys(r1,r1); 294 /* tophys(r1,r1); */
299 295 /* addik r1, r1, -STATE_SAVE_SIZE; */
300 addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */ 296 addik r1, r1, THREAD_SIZE + CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START - STATE_SAVE_SIZE;
301 SAVE_REGS 297 SAVE_REGS
302 298
303 swi r0, r1, PTO+PT_MODE; /* Was in user-mode. */
304 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); 299 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP));
305 swi r11, r1, PTO+PT_R1; /* Store user SP. */ 300 swi r11, r1, PTO+PT_R1; /* Store user SP. */
306 addi r11, r0, 1; 301 clear_ums;
307 swi r11, r0, TOPHYS(PER_CPU(KM)); /* Now we're in kernel-mode. */ 302 lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
3082: lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
309 /* Save away the syscall number. */ 303 /* Save away the syscall number. */
310 swi r12, r1, PTO+PT_R0; 304 swi r12, r1, PTO+PT_R0;
311 tovirt(r1,r1) 305 tovirt(r1,r1)
@@ -316,10 +310,8 @@ C_ENTRY(_user_exception):
316 * register should point to the location where 310 * register should point to the location where
317 * the called function should return. [note that MAKE_SYS_CALL uses label 1] */ 311 * the called function should return. [note that MAKE_SYS_CALL uses label 1] */
318 312
319 # Step into virtual mode. 313 /* Step into virtual mode */
320 set_vms; 314 rtbd r0, 3f
321 addik r11, r0, 3f
322 rtid r11, 0
323 nop 315 nop
3243: 3163:
325 lwi r11, CURRENT_TASK, TS_THREAD_INFO /* get thread info */ 317 lwi r11, CURRENT_TASK, TS_THREAD_INFO /* get thread info */
@@ -363,24 +355,17 @@ C_ENTRY(_user_exception):
363 # Find and jump into the syscall handler. 355 # Find and jump into the syscall handler.
364 lwi r12, r12, sys_call_table 356 lwi r12, r12, sys_call_table
365 /* where the trap should return need -8 to adjust for rtsd r15, 8 */ 357 /* where the trap should return need -8 to adjust for rtsd r15, 8 */
366 la r15, r0, ret_from_trap-8 358 addi r15, r0, ret_from_trap-8
367 bra r12 359 bra r12
368 360
369 /* The syscall number is invalid, return an error. */ 361 /* The syscall number is invalid, return an error. */
3705: 3625:
363 rtsd r15, 8; /* looks like a normal subroutine return */
371 addi r3, r0, -ENOSYS; 364 addi r3, r0, -ENOSYS;
372 rtsd r15,8; /* looks like a normal subroutine return */
373 or r0, r0, r0
374
375 365
376/* Entry point used to return from a syscall/trap */ 366/* Entry point used to return from a syscall/trap */
377/* We re-enable BIP bit before state restore */ 367/* We re-enable BIP bit before state restore */
378C_ENTRY(ret_from_trap): 368C_ENTRY(ret_from_trap):
379 set_bip; /* Ints masked for state restore*/
380 lwi r11, r1, PTO+PT_MODE;
381/* See if returning to kernel mode, if so, skip resched &c. */
382 bnei r11, 2f;
383
384 swi r3, r1, PTO + PT_R3 369 swi r3, r1, PTO + PT_R3
385 swi r4, r1, PTO + PT_R4 370 swi r4, r1, PTO + PT_R4
386 371
@@ -413,32 +398,19 @@ C_ENTRY(ret_from_trap):
413 andi r11, r11, _TIF_SIGPENDING; 398 andi r11, r11, _TIF_SIGPENDING;
414 beqi r11, 1f; /* Signals to handle, handle them */ 399 beqi r11, 1f; /* Signals to handle, handle them */
415 400
416 la r5, r1, PTO; /* Arg 1: struct pt_regs *regs */ 401 addik r5, r1, PTO; /* Arg 1: struct pt_regs *regs */
417 addi r7, r0, 1; /* Arg 3: int in_syscall */ 402 addi r7, r0, 1; /* Arg 3: int in_syscall */
418 bralid r15, do_signal; /* Handle any signals */ 403 bralid r15, do_signal; /* Handle any signals */
419 add r6, r0, r0; /* Arg 2: sigset_t *oldset */ 404 add r6, r0, r0; /* Arg 2: sigset_t *oldset */
420 405
421/* Finally, return to user state. */ 406/* Finally, return to user state. */
4221: 4071: set_bip; /* Ints masked for state restore */
423 lwi r3, r1, PTO + PT_R3; /* restore syscall result */
424 lwi r4, r1, PTO + PT_R4;
425
426 swi r0, r0, PER_CPU(KM); /* Now officially in user state. */
427 swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */ 408 swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
428 VM_OFF; 409 VM_OFF;
429 tophys(r1,r1); 410 tophys(r1,r1);
430 RESTORE_REGS; 411 RESTORE_REGS;
431 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */ 412 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */
432 lwi r1, r1, PT_R1 - PT_SIZE;/* Restore user stack pointer. */ 413 lwi r1, r1, PT_R1 - PT_SIZE;/* Restore user stack pointer. */
433 bri 6f;
434
435/* Return to kernel state. */
4362: VM_OFF;
437 tophys(r1,r1);
438 RESTORE_REGS;
439 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */
440 tovirt(r1,r1);
4416:
442TRAP_return: /* Make global symbol for debugging */ 414TRAP_return: /* Make global symbol for debugging */
443 rtbd r14, 0; /* Instructions to return from an IRQ */ 415 rtbd r14, 0; /* Instructions to return from an IRQ */
444 nop; 416 nop;
@@ -450,12 +422,11 @@ TRAP_return: /* Make global symbol for debugging */
450C_ENTRY(sys_fork_wrapper): 422C_ENTRY(sys_fork_wrapper):
451 addi r5, r0, SIGCHLD /* Arg 0: flags */ 423 addi r5, r0, SIGCHLD /* Arg 0: flags */
452 lwi r6, r1, PTO+PT_R1 /* Arg 1: child SP (use parent's) */ 424 lwi r6, r1, PTO+PT_R1 /* Arg 1: child SP (use parent's) */
453 la r7, r1, PTO /* Arg 2: parent context */ 425 addik r7, r1, PTO /* Arg 2: parent context */
454 add r8. r0, r0 /* Arg 3: (unused) */ 426 add r8. r0, r0 /* Arg 3: (unused) */
455 add r9, r0, r0; /* Arg 4: (unused) */ 427 add r9, r0, r0; /* Arg 4: (unused) */
456 add r10, r0, r0; /* Arg 5: (unused) */
457 brid do_fork /* Do real work (tail-call) */ 428 brid do_fork /* Do real work (tail-call) */
458 nop; 429 add r10, r0, r0; /* Arg 5: (unused) */
459 430
460/* This the initial entry point for a new child thread, with an appropriate 431/* This the initial entry point for a new child thread, with an appropriate
461 stack in place that makes it look the the child is in the middle of an 432 stack in place that makes it look the the child is in the middle of an
@@ -466,35 +437,31 @@ C_ENTRY(ret_from_fork):
466 bralid r15, schedule_tail; /* ...which is schedule_tail's arg */ 437 bralid r15, schedule_tail; /* ...which is schedule_tail's arg */
467 add r3, r5, r0; /* switch_thread returns the prev task */ 438 add r3, r5, r0; /* switch_thread returns the prev task */
468 /* ( in the delay slot ) */ 439 /* ( in the delay slot ) */
469 add r3, r0, r0; /* Child's fork call should return 0. */
470 brid ret_from_trap; /* Do normal trap return */ 440 brid ret_from_trap; /* Do normal trap return */
471 nop; 441 add r3, r0, r0; /* Child's fork call should return 0. */
472 442
473C_ENTRY(sys_vfork): 443C_ENTRY(sys_vfork):
474 brid microblaze_vfork /* Do real work (tail-call) */ 444 brid microblaze_vfork /* Do real work (tail-call) */
475 la r5, r1, PTO 445 addik r5, r1, PTO
476 446
477C_ENTRY(sys_clone): 447C_ENTRY(sys_clone):
478 bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */ 448 bnei r6, 1f; /* See if child SP arg (arg 1) is 0. */
479 lwi r6, r1, PTO+PT_R1; /* If so, use paret's stack ptr */ 449 lwi r6, r1, PTO + PT_R1; /* If so, use paret's stack ptr */
4801: la r7, r1, PTO; /* Arg 2: parent context */ 4501: addik r7, r1, PTO; /* Arg 2: parent context */
481 add r8, r0, r0; /* Arg 3: (unused) */ 451 add r8, r0, r0; /* Arg 3: (unused) */
482 add r9, r0, r0; /* Arg 4: (unused) */ 452 add r9, r0, r0; /* Arg 4: (unused) */
483 add r10, r0, r0; /* Arg 5: (unused) */
484 brid do_fork /* Do real work (tail-call) */ 453 brid do_fork /* Do real work (tail-call) */
485 nop; 454 add r10, r0, r0; /* Arg 5: (unused) */
486 455
487C_ENTRY(sys_execve): 456C_ENTRY(sys_execve):
488 la r8, r1, PTO; /* add user context as 4th arg */
489 brid microblaze_execve; /* Do real work (tail-call).*/ 457 brid microblaze_execve; /* Do real work (tail-call).*/
490 nop; 458 addik r8, r1, PTO; /* add user context as 4th arg */
491 459
492C_ENTRY(sys_rt_sigreturn_wrapper): 460C_ENTRY(sys_rt_sigreturn_wrapper):
493 swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ 461 swi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
494 swi r4, r1, PTO+PT_R4; 462 swi r4, r1, PTO+PT_R4;
495 la r5, r1, PTO; /* add user context as 1st arg */
496 brlid r15, sys_rt_sigreturn /* Do real work */ 463 brlid r15, sys_rt_sigreturn /* Do real work */
497 nop; 464 addik r5, r1, PTO; /* add user context as 1st arg */
498 lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ 465 lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
499 lwi r4, r1, PTO+PT_R4; 466 lwi r4, r1, PTO+PT_R4;
500 bri ret_from_trap /* fall through will not work here due to align */ 467 bri ret_from_trap /* fall through will not work here due to align */
@@ -503,83 +470,23 @@ C_ENTRY(sys_rt_sigreturn_wrapper):
503/* 470/*
504 * HW EXCEPTION rutine start 471 * HW EXCEPTION rutine start
505 */ 472 */
506
507#define SAVE_STATE \
508 swi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* Save r11 */ \
509 set_bip; /*equalize initial state for all possible entries*/\
510 clear_eip; \
511 enable_irq; \
512 set_ee; \
513 /* See if already in kernel mode.*/ \
514 lwi r11, r0, TOPHYS(PER_CPU(KM)); \
515 beqi r11, 1f; /* Jump ahead if coming from user */\
516 /* Kernel-mode state save. */ \
517 /* Reload kernel stack-ptr. */ \
518 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); \
519 tophys(r1,r11); \
520 swi r11, r1, (PT_R1-PT_SIZE); /* Save original SP. */ \
521 lwi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* restore r11 */\
522 addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */\
523 /* store return registers separately because \
524 * this macros is use for others exceptions */ \
525 swi r3, r1, PTO + PT_R3; \
526 swi r4, r1, PTO + PT_R4; \
527 SAVE_REGS \
528 /* PC, before IRQ/trap - this is one instruction above */ \
529 swi r17, r1, PTO+PT_PC; \
530 \
531 addi r11, r0, 1; /* Was in kernel-mode. */ \
532 swi r11, r1, PTO+PT_MODE; \
533 brid 2f; \
534 nop; /* Fill delay slot */ \
5351: /* User-mode state save. */ \
536 lwi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* restore r11 */\
537 lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */\
538 tophys(r1,r1); \
539 lwi r1, r1, TS_THREAD_INFO; /* get the thread info */ \
540 addik r1, r1, THREAD_SIZE; /* calculate kernel stack pointer */\
541 tophys(r1,r1); \
542 \
543 addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */\
544 /* store return registers separately because this macros \
545 * is use for others exceptions */ \
546 swi r3, r1, PTO + PT_R3; \
547 swi r4, r1, PTO + PT_R4; \
548 SAVE_REGS \
549 /* PC, before IRQ/trap - this is one instruction above FIXME*/ \
550 swi r17, r1, PTO+PT_PC; \
551 \
552 swi r0, r1, PTO+PT_MODE; /* Was in user-mode. */ \
553 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); \
554 swi r11, r1, PTO+PT_R1; /* Store user SP. */ \
555 addi r11, r0, 1; \
556 swi r11, r0, TOPHYS(PER_CPU(KM)); /* Now we're in kernel-mode.*/\
5572: lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); \
558 /* Save away the syscall number. */ \
559 swi r0, r1, PTO+PT_R0; \
560 tovirt(r1,r1)
561
562C_ENTRY(full_exception_trap): 473C_ENTRY(full_exception_trap):
563 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
564 /* adjust exception address for privileged instruction 474 /* adjust exception address for privileged instruction
565 * for finding where is it */ 475 * for finding where is it */
566 addik r17, r17, -4 476 addik r17, r17, -4
567 SAVE_STATE /* Save registers */ 477 SAVE_STATE /* Save registers */
478 /* PC, before IRQ/trap - this is one instruction above */
479 swi r17, r1, PTO+PT_PC;
480 tovirt(r1,r1)
568 /* FIXME this can be store directly in PT_ESR reg. 481 /* FIXME this can be store directly in PT_ESR reg.
569 * I tested it but there is a fault */ 482 * I tested it but there is a fault */
570 /* where the trap should return need -8 to adjust for rtsd r15, 8 */ 483 /* where the trap should return need -8 to adjust for rtsd r15, 8 */
571 la r15, r0, ret_from_exc - 8 484 addik r15, r0, ret_from_exc - 8
572 la r5, r1, PTO /* parameter struct pt_regs * regs */
573 mfs r6, resr 485 mfs r6, resr
574 nop
575 mfs r7, rfsr; /* save FSR */ 486 mfs r7, rfsr; /* save FSR */
576 nop
577 mts rfsr, r0; /* Clear sticky fsr */ 487 mts rfsr, r0; /* Clear sticky fsr */
578 nop 488 rted r0, full_exception
579 la r12, r0, full_exception 489 addik r5, r1, PTO /* parameter struct pt_regs * regs */
580 set_vms;
581 rtbd r12, 0;
582 nop;
583 490
584/* 491/*
585 * Unaligned data trap. 492 * Unaligned data trap.
@@ -592,19 +499,27 @@ C_ENTRY(full_exception_trap):
592 * The assembler routine is in "arch/microblaze/kernel/hw_exception_handler.S" 499 * The assembler routine is in "arch/microblaze/kernel/hw_exception_handler.S"
593 */ 500 */
594C_ENTRY(unaligned_data_trap): 501C_ENTRY(unaligned_data_trap):
595 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */ 502 /* MS: I have to save r11 value and then restore it because
503 * set_bit, clear_eip, set_ee use r11 as temp register if MSR
504 * instructions are not used. We don't need to do if MSR instructions
505 * are used and they use r0 instead of r11.
506 * I am using ENTRY_SP which should be primary used only for stack
507 * pointer saving. */
508 swi r11, r0, TOPHYS(PER_CPU(ENTRY_SP));
509 set_bip; /* equalize initial state for all possible entries */
510 clear_eip;
511 set_ee;
512 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP));
596 SAVE_STATE /* Save registers.*/ 513 SAVE_STATE /* Save registers.*/
514 /* PC, before IRQ/trap - this is one instruction above */
515 swi r17, r1, PTO+PT_PC;
516 tovirt(r1,r1)
597 /* where the trap should return need -8 to adjust for rtsd r15, 8 */ 517 /* where the trap should return need -8 to adjust for rtsd r15, 8 */
598 la r15, r0, ret_from_exc-8 518 addik r15, r0, ret_from_exc-8
599 mfs r3, resr /* ESR */ 519 mfs r3, resr /* ESR */
600 nop
601 mfs r4, rear /* EAR */ 520 mfs r4, rear /* EAR */
602 nop 521 rtbd r0, _unaligned_data_exception
603 la r7, r1, PTO /* parameter struct pt_regs * regs */ 522 addik r7, r1, PTO /* parameter struct pt_regs * regs */
604 la r12, r0, _unaligned_data_exception
605 set_vms;
606 rtbd r12, 0; /* interrupts enabled */
607 nop;
608 523
609/* 524/*
610 * Page fault traps. 525 * Page fault traps.
@@ -625,38 +540,32 @@ C_ENTRY(unaligned_data_trap):
625 */ 540 */
626/* data and intruction trap - which is choose is resolved int fault.c */ 541/* data and intruction trap - which is choose is resolved int fault.c */
627C_ENTRY(page_fault_data_trap): 542C_ENTRY(page_fault_data_trap):
628 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
629 SAVE_STATE /* Save registers.*/ 543 SAVE_STATE /* Save registers.*/
544 /* PC, before IRQ/trap - this is one instruction above */
545 swi r17, r1, PTO+PT_PC;
546 tovirt(r1,r1)
630 /* where the trap should return need -8 to adjust for rtsd r15, 8 */ 547 /* where the trap should return need -8 to adjust for rtsd r15, 8 */
631 la r15, r0, ret_from_exc-8 548 addik r15, r0, ret_from_exc-8
632 la r5, r1, PTO /* parameter struct pt_regs * regs */
633 mfs r6, rear /* parameter unsigned long address */ 549 mfs r6, rear /* parameter unsigned long address */
634 nop
635 mfs r7, resr /* parameter unsigned long error_code */ 550 mfs r7, resr /* parameter unsigned long error_code */
636 nop 551 rted r0, do_page_fault
637 la r12, r0, do_page_fault 552 addik r5, r1, PTO /* parameter struct pt_regs * regs */
638 set_vms;
639 rtbd r12, 0; /* interrupts enabled */
640 nop;
641 553
642C_ENTRY(page_fault_instr_trap): 554C_ENTRY(page_fault_instr_trap):
643 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) /* save stack */
644 SAVE_STATE /* Save registers.*/ 555 SAVE_STATE /* Save registers.*/
556 /* PC, before IRQ/trap - this is one instruction above */
557 swi r17, r1, PTO+PT_PC;
558 tovirt(r1,r1)
645 /* where the trap should return need -8 to adjust for rtsd r15, 8 */ 559 /* where the trap should return need -8 to adjust for rtsd r15, 8 */
646 la r15, r0, ret_from_exc-8 560 addik r15, r0, ret_from_exc-8
647 la r5, r1, PTO /* parameter struct pt_regs * regs */
648 mfs r6, rear /* parameter unsigned long address */ 561 mfs r6, rear /* parameter unsigned long address */
649 nop
650 ori r7, r0, 0 /* parameter unsigned long error_code */ 562 ori r7, r0, 0 /* parameter unsigned long error_code */
651 la r12, r0, do_page_fault 563 rted r0, do_page_fault
652 set_vms; 564 addik r5, r1, PTO /* parameter struct pt_regs * regs */
653 rtbd r12, 0; /* interrupts enabled */
654 nop;
655 565
656/* Entry point used to return from an exception. */ 566/* Entry point used to return from an exception. */
657C_ENTRY(ret_from_exc): 567C_ENTRY(ret_from_exc):
658 set_bip; /* Ints masked for state restore*/ 568 lwi r11, r1, PTO + PT_MODE;
659 lwi r11, r1, PTO+PT_MODE;
660 bnei r11, 2f; /* See if returning to kernel mode, */ 569 bnei r11, 2f; /* See if returning to kernel mode, */
661 /* ... if so, skip resched &c. */ 570 /* ... if so, skip resched &c. */
662 571
@@ -687,32 +596,27 @@ C_ENTRY(ret_from_exc):
687 * traps), but signal handlers may want to examine or change the 596 * traps), but signal handlers may want to examine or change the
688 * complete register state. Here we save anything not saved by 597 * complete register state. Here we save anything not saved by
689 * the normal entry sequence, so that it may be safely restored 598 * the normal entry sequence, so that it may be safely restored
690 * (in a possibly modified form) after do_signal returns. 599 * (in a possibly modified form) after do_signal returns. */
691 * store return registers separately because this macros is use 600 addik r5, r1, PTO; /* Arg 1: struct pt_regs *regs */
692 * for others exceptions */
693 la r5, r1, PTO; /* Arg 1: struct pt_regs *regs */
694 addi r7, r0, 0; /* Arg 3: int in_syscall */ 601 addi r7, r0, 0; /* Arg 3: int in_syscall */
695 bralid r15, do_signal; /* Handle any signals */ 602 bralid r15, do_signal; /* Handle any signals */
696 add r6, r0, r0; /* Arg 2: sigset_t *oldset */ 603 add r6, r0, r0; /* Arg 2: sigset_t *oldset */
697 604
698/* Finally, return to user state. */ 605/* Finally, return to user state. */
6991: swi r0, r0, PER_CPU(KM); /* Now officially in user state. */ 6061: set_bip; /* Ints masked for state restore */
700 swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */ 607 swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
701 VM_OFF; 608 VM_OFF;
702 tophys(r1,r1); 609 tophys(r1,r1);
703 610
704 lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
705 lwi r4, r1, PTO+PT_R4;
706 RESTORE_REGS; 611 RESTORE_REGS;
707 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */ 612 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */
708 613
709 lwi r1, r1, PT_R1 - PT_SIZE; /* Restore user stack pointer. */ 614 lwi r1, r1, PT_R1 - PT_SIZE; /* Restore user stack pointer. */
710 bri 6f; 615 bri 6f;
711/* Return to kernel state. */ 616/* Return to kernel state. */
7122: VM_OFF; 6172: set_bip; /* Ints masked for state restore */
618 VM_OFF;
713 tophys(r1,r1); 619 tophys(r1,r1);
714 lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
715 lwi r4, r1, PTO+PT_R4;
716 RESTORE_REGS; 620 RESTORE_REGS;
717 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */ 621 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */
718 622
@@ -736,36 +640,23 @@ C_ENTRY(_interrupt):
736/* MS: we are in physical address */ 640/* MS: we are in physical address */
737/* Save registers, switch to proper stack, convert SP to virtual.*/ 641/* Save registers, switch to proper stack, convert SP to virtual.*/
738 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) 642 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP))
739 swi r11, r0, TOPHYS(PER_CPU(R11_SAVE));
740 /* MS: See if already in kernel mode. */ 643 /* MS: See if already in kernel mode. */
741 lwi r11, r0, TOPHYS(PER_CPU(KM)); 644 mfs r1, rmsr
742 beqi r11, 1f; /* MS: Jump ahead if coming from user */ 645 nop
646 andi r1, r1, MSR_UMS
647 bnei r1, 1f
743 648
744/* Kernel-mode state save. */ 649/* Kernel-mode state save. */
745 or r11, r1, r0 650 lwi r1, r0, TOPHYS(PER_CPU(ENTRY_SP))
746 tophys(r1,r11); /* MS: I have in r1 physical address where stack is */ 651 tophys(r1,r1); /* MS: I have in r1 physical address where stack is */
747/* MS: Save original SP - position PT_R1 to next stack frame 4 *1 - 152*/
748 swi r11, r1, (PT_R1 - PT_SIZE);
749/* MS: restore r11 because of saving in SAVE_REGS */
750 lwi r11, r0, TOPHYS(PER_CPU(R11_SAVE));
751 /* save registers */ 652 /* save registers */
752/* MS: Make room on the stack -> activation record */ 653/* MS: Make room on the stack -> activation record */
753 addik r1, r1, -STATE_SAVE_SIZE; 654 addik r1, r1, -STATE_SAVE_SIZE;
754/* MS: store return registers separately because
755 * this macros is use for others exceptions */
756 swi r3, r1, PTO + PT_R3;
757 swi r4, r1, PTO + PT_R4;
758 SAVE_REGS 655 SAVE_REGS
759 /* MS: store mode */
760 addi r11, r0, 1; /* MS: Was in kernel-mode. */
761 swi r11, r1, PTO + PT_MODE; /* MS: and save it */
762 brid 2f; 656 brid 2f;
763 nop; /* MS: Fill delay slot */ 657 swi r1, r1, PTO + PT_MODE; /* 0 - user mode, 1 - kernel mode */
764
7651: 6581:
766/* User-mode state save. */ 659/* User-mode state save. */
767/* MS: restore r11 -> FIXME move before SAVE_REG */
768 lwi r11, r0, TOPHYS(PER_CPU(R11_SAVE));
769 /* MS: get the saved current */ 660 /* MS: get the saved current */
770 lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); 661 lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
771 tophys(r1,r1); 662 tophys(r1,r1);
@@ -774,27 +665,18 @@ C_ENTRY(_interrupt):
774 tophys(r1,r1); 665 tophys(r1,r1);
775 /* save registers */ 666 /* save registers */
776 addik r1, r1, -STATE_SAVE_SIZE; 667 addik r1, r1, -STATE_SAVE_SIZE;
777 swi r3, r1, PTO+PT_R3;
778 swi r4, r1, PTO+PT_R4;
779 SAVE_REGS 668 SAVE_REGS
780 /* calculate mode */ 669 /* calculate mode */
781 swi r0, r1, PTO + PT_MODE; 670 swi r0, r1, PTO + PT_MODE;
782 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); 671 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP));
783 swi r11, r1, PTO+PT_R1; 672 swi r11, r1, PTO+PT_R1;
784 /* setup kernel mode to KM */ 673 clear_ums;
785 addi r11, r0, 1;
786 swi r11, r0, TOPHYS(PER_CPU(KM));
787
7882: 6742:
789 lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); 675 lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
790 swi r0, r1, PTO + PT_R0;
791 tovirt(r1,r1) 676 tovirt(r1,r1)
792 la r5, r1, PTO; 677 addik r15, r0, irq_call;
793 set_vms; 678irq_call:rtbd r0, do_IRQ;
794 la r11, r0, do_IRQ; 679 addik r5, r1, PTO;
795 la r15, r0, irq_call;
796irq_call:rtbd r11, 0;
797 nop;
798 680
799/* MS: we are in virtual mode */ 681/* MS: we are in virtual mode */
800ret_from_irq: 682ret_from_irq:
@@ -815,7 +697,7 @@ ret_from_irq:
815 beqid r11, no_intr_resched 697 beqid r11, no_intr_resched
816/* Handle a signal return; Pending signals should be in r18. */ 698/* Handle a signal return; Pending signals should be in r18. */
817 addi r7, r0, 0; /* Arg 3: int in_syscall */ 699 addi r7, r0, 0; /* Arg 3: int in_syscall */
818 la r5, r1, PTO; /* Arg 1: struct pt_regs *regs */ 700 addik r5, r1, PTO; /* Arg 1: struct pt_regs *regs */
819 bralid r15, do_signal; /* Handle any signals */ 701 bralid r15, do_signal; /* Handle any signals */
820 add r6, r0, r0; /* Arg 2: sigset_t *oldset */ 702 add r6, r0, r0; /* Arg 2: sigset_t *oldset */
821 703
@@ -823,12 +705,9 @@ ret_from_irq:
823no_intr_resched: 705no_intr_resched:
824 /* Disable interrupts, we are now committed to the state restore */ 706 /* Disable interrupts, we are now committed to the state restore */
825 disable_irq 707 disable_irq
826 swi r0, r0, PER_CPU(KM); /* MS: Now officially in user state. */
827 swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); 708 swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE);
828 VM_OFF; 709 VM_OFF;
829 tophys(r1,r1); 710 tophys(r1,r1);
830 lwi r3, r1, PTO + PT_R3; /* MS: restore saved r3, r4 registers */
831 lwi r4, r1, PTO + PT_R4;
832 RESTORE_REGS 711 RESTORE_REGS
833 addik r1, r1, STATE_SAVE_SIZE /* MS: Clean up stack space. */ 712 addik r1, r1, STATE_SAVE_SIZE /* MS: Clean up stack space. */
834 lwi r1, r1, PT_R1 - PT_SIZE; 713 lwi r1, r1, PT_R1 - PT_SIZE;
@@ -857,8 +736,6 @@ restore:
857#endif 736#endif
858 VM_OFF /* MS: turn off MMU */ 737 VM_OFF /* MS: turn off MMU */
859 tophys(r1,r1) 738 tophys(r1,r1)
860 lwi r3, r1, PTO + PT_R3; /* MS: restore saved r3, r4 registers */
861 lwi r4, r1, PTO + PT_R4;
862 RESTORE_REGS 739 RESTORE_REGS
863 addik r1, r1, STATE_SAVE_SIZE /* MS: Clean up stack space. */ 740 addik r1, r1, STATE_SAVE_SIZE /* MS: Clean up stack space. */
864 tovirt(r1,r1); 741 tovirt(r1,r1);
@@ -868,86 +745,91 @@ IRQ_return: /* MS: Make global symbol for debugging */
868 nop 745 nop
869 746
870/* 747/*
871 * `Debug' trap 748 * Debug trap for KGDB. Enter to _debug_exception by brki r16, 0x18
872 * We enter dbtrap in "BIP" (breakpoint) mode. 749 * and call handling function with saved pt_regs
873 * So we exit the breakpoint mode with an 'rtbd' and proceed with the
874 * original dbtrap.
875 * however, wait to save state first
876 */ 750 */
877C_ENTRY(_debug_exception): 751C_ENTRY(_debug_exception):
878 /* BIP bit is set on entry, no interrupts can occur */ 752 /* BIP bit is set on entry, no interrupts can occur */
879 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)) 753 swi r1, r0, TOPHYS(PER_CPU(ENTRY_SP))
880 754
881 swi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* Save r11 */ 755 mfs r1, rmsr
882 set_bip; /*equalize initial state for all possible entries*/ 756 nop
883 clear_eip; 757 andi r1, r1, MSR_UMS
884 enable_irq; 758 bnei r1, 1f
885 lwi r11, r0, TOPHYS(PER_CPU(KM));/* See if already in kernel mode.*/ 759/* MS: Kernel-mode state save - kgdb */
886 beqi r11, 1f; /* Jump ahead if coming from user */ 760 lwi r1, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* Reload kernel stack-ptr*/
887 /* Kernel-mode state save. */
888 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); /* Reload kernel stack-ptr*/
889 tophys(r1,r11);
890 swi r11, r1, (PT_R1-PT_SIZE); /* Save original SP. */
891 lwi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* restore r11 */
892 761
893 addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */ 762 /* BIP bit is set on entry, no interrupts can occur */
894 swi r3, r1, PTO + PT_R3; 763 addik r1, r1, CONFIG_KERNEL_BASE_ADDR - CONFIG_KERNEL_START - STATE_SAVE_SIZE;
895 swi r4, r1, PTO + PT_R4;
896 SAVE_REGS; 764 SAVE_REGS;
765 /* save all regs to pt_reg structure */
766 swi r0, r1, PTO+PT_R0; /* R0 must be saved too */
767 swi r14, r1, PTO+PT_R14 /* rewrite saved R14 value */
768 swi r16, r1, PTO+PT_R16
769 swi r16, r1, PTO+PT_PC; /* PC and r16 are the same */
770 swi r17, r1, PTO+PT_R17
771 /* save special purpose registers to pt_regs */
772 mfs r11, rear;
773 swi r11, r1, PTO+PT_EAR;
774 mfs r11, resr;
775 swi r11, r1, PTO+PT_ESR;
776 mfs r11, rfsr;
777 swi r11, r1, PTO+PT_FSR;
778
779 /* stack pointer is in physical address at it is decrease
780 * by STATE_SAVE_SIZE but we need to get correct R1 value */
781 addik r11, r1, CONFIG_KERNEL_START - CONFIG_KERNEL_BASE_ADDR + STATE_SAVE_SIZE;
782 swi r11, r1, PTO+PT_R1
783 /* MS: r31 - current pointer isn't changed */
784 tovirt(r1,r1)
785#ifdef CONFIG_KGDB
786 addi r5, r1, PTO /* pass pt_reg address as the first arg */
787 la r15, r0, dbtrap_call; /* return address */
788 rtbd r0, microblaze_kgdb_break
789 nop;
790#endif
791 /* MS: Place handler for brki from kernel space if KGDB is OFF.
792 * It is very unlikely that another brki instruction is called. */
793 bri 0
897 794
898 addi r11, r0, 1; /* Was in kernel-mode. */ 795/* MS: User-mode state save - gdb */
899 swi r11, r1, PTO + PT_MODE; 7961: lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */
900 brid 2f;
901 nop; /* Fill delay slot */
9021: /* User-mode state save. */
903 lwi r11, r0, TOPHYS(r0_ram + PTO + PT_R11); /* restore r11 */
904 lwi r1, r0, TOPHYS(PER_CPU(CURRENT_SAVE)); /* get saved current */
905 tophys(r1,r1); 797 tophys(r1,r1);
906 lwi r1, r1, TS_THREAD_INFO; /* get the thread info */ 798 lwi r1, r1, TS_THREAD_INFO; /* get the thread info */
907 addik r1, r1, THREAD_SIZE; /* calculate kernel stack pointer */ 799 addik r1, r1, THREAD_SIZE; /* calculate kernel stack pointer */
908 tophys(r1,r1); 800 tophys(r1,r1);
909 801
910 addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */ 802 addik r1, r1, -STATE_SAVE_SIZE; /* Make room on the stack. */
911 swi r3, r1, PTO + PT_R3;
912 swi r4, r1, PTO + PT_R4;
913 SAVE_REGS; 803 SAVE_REGS;
914 804 swi r17, r1, PTO+PT_R17;
915 swi r0, r1, PTO+PT_MODE; /* Was in user-mode. */ 805 swi r16, r1, PTO+PT_R16;
806 swi r16, r1, PTO+PT_PC; /* Save LP */
807 swi r0, r1, PTO + PT_MODE; /* Was in user-mode. */
916 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP)); 808 lwi r11, r0, TOPHYS(PER_CPU(ENTRY_SP));
917 swi r11, r1, PTO+PT_R1; /* Store user SP. */ 809 swi r11, r1, PTO+PT_R1; /* Store user SP. */
918 addi r11, r0, 1; 810 lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
919 swi r11, r0, TOPHYS(PER_CPU(KM)); /* Now we're in kernel-mode. */
9202: lwi CURRENT_TASK, r0, TOPHYS(PER_CPU(CURRENT_SAVE));
921 /* Save away the syscall number. */
922 swi r0, r1, PTO+PT_R0;
923 tovirt(r1,r1) 811 tovirt(r1,r1)
924
925 addi r5, r0, SIGTRAP /* send the trap signal */
926 add r6, r0, CURRENT_TASK; /* Get current task ptr into r11 */
927 addk r7, r0, r0 /* 3rd param zero */
928
929 set_vms; 812 set_vms;
930 la r11, r0, send_sig; 813 addik r5, r1, PTO;
931 la r15, r0, dbtrap_call; 814 addik r15, r0, dbtrap_call;
932dbtrap_call: rtbd r11, 0; 815dbtrap_call: /* Return point for kernel/user entry + 8 because of rtsd r15, 8 */
933 nop; 816 rtbd r0, sw_exception
817 nop
934 818
935 set_bip; /* Ints masked for state restore*/ 819 /* MS: The first instruction for the second part of the gdb/kgdb */
936 lwi r11, r1, PTO+PT_MODE; 820 set_bip; /* Ints masked for state restore */
821 lwi r11, r1, PTO + PT_MODE;
937 bnei r11, 2f; 822 bnei r11, 2f;
938 823/* MS: Return to user space - gdb */
939 /* Get current task ptr into r11 */ 824 /* Get current task ptr into r11 */
940 lwi r11, CURRENT_TASK, TS_THREAD_INFO; /* get thread info */ 825 lwi r11, CURRENT_TASK, TS_THREAD_INFO; /* get thread info */
941 lwi r11, r11, TI_FLAGS; /* get flags in thread info */ 826 lwi r11, r11, TI_FLAGS; /* get flags in thread info */
942 andi r11, r11, _TIF_NEED_RESCHED; 827 andi r11, r11, _TIF_NEED_RESCHED;
943 beqi r11, 5f; 828 beqi r11, 5f;
944 829
945/* Call the scheduler before returning from a syscall/trap. */ 830 /* Call the scheduler before returning from a syscall/trap. */
946
947 bralid r15, schedule; /* Call scheduler */ 831 bralid r15, schedule; /* Call scheduler */
948 nop; /* delay slot */ 832 nop; /* delay slot */
949 /* XXX Is PT_DTRACE handling needed here? */
950 /* XXX m68knommu also checks TASK_STATE & TASK_COUNTER here. */
951 833
952 /* Maybe handle a signal */ 834 /* Maybe handle a signal */
9535: lwi r11, CURRENT_TASK, TS_THREAD_INFO; /* get thread info */ 8355: lwi r11, CURRENT_TASK, TS_THREAD_INFO; /* get thread info */
@@ -955,54 +837,40 @@ dbtrap_call: rtbd r11, 0;
955 andi r11, r11, _TIF_SIGPENDING; 837 andi r11, r11, _TIF_SIGPENDING;
956 beqi r11, 1f; /* Signals to handle, handle them */ 838 beqi r11, 1f; /* Signals to handle, handle them */
957 839
958/* Handle a signal return; Pending signals should be in r18. */ 840 addik r5, r1, PTO; /* Arg 1: struct pt_regs *regs */
959 /* Not all registers are saved by the normal trap/interrupt entry
960 points (for instance, call-saved registers (because the normal
961 C-compiler calling sequence in the kernel makes sure they're
962 preserved), and call-clobbered registers in the case of
963 traps), but signal handlers may want to examine or change the
964 complete register state. Here we save anything not saved by
965 the normal entry sequence, so that it may be safely restored
966 (in a possibly modified form) after do_signal returns. */
967
968 la r5, r1, PTO; /* Arg 1: struct pt_regs *regs */
969 addi r7, r0, 0; /* Arg 3: int in_syscall */ 841 addi r7, r0, 0; /* Arg 3: int in_syscall */
970 bralid r15, do_signal; /* Handle any signals */ 842 bralid r15, do_signal; /* Handle any signals */
971 add r6, r0, r0; /* Arg 2: sigset_t *oldset */ 843 add r6, r0, r0; /* Arg 2: sigset_t *oldset */
972 844
973
974/* Finally, return to user state. */ 845/* Finally, return to user state. */
9751: swi r0, r0, PER_CPU(KM); /* Now officially in user state. */ 8461: swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
976 swi CURRENT_TASK, r0, PER_CPU(CURRENT_SAVE); /* save current */
977 VM_OFF; 847 VM_OFF;
978 tophys(r1,r1); 848 tophys(r1,r1);
979 849 /* MS: Restore all regs */
980 lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */
981 lwi r4, r1, PTO+PT_R4;
982 RESTORE_REGS 850 RESTORE_REGS
983 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */ 851 lwi r17, r1, PTO+PT_R17;
984 852 lwi r16, r1, PTO+PT_R16;
985 853 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space */
986 lwi r1, r1, PT_R1 - PT_SIZE; 854 lwi r1, r1, PT_R1 - PT_SIZE; /* Restore user stack pointer */
987 /* Restore user stack pointer. */ 855DBTRAP_return_user: /* MS: Make global symbol for debugging */
988 bri 6f; 856 rtbd r16, 0; /* MS: Instructions to return from a debug trap */
857 nop;
989 858
990/* Return to kernel state. */ 859/* MS: Return to kernel state - kgdb */
9912: VM_OFF; 8602: VM_OFF;
992 tophys(r1,r1); 861 tophys(r1,r1);
993 lwi r3, r1, PTO+PT_R3; /* restore saved r3, r4 registers */ 862 /* MS: Restore all regs */
994 lwi r4, r1, PTO+PT_R4;
995 RESTORE_REGS 863 RESTORE_REGS
996 addik r1, r1, STATE_SAVE_SIZE /* Clean up stack space. */ 864 lwi r14, r1, PTO+PT_R14;
997 865 lwi r16, r1, PTO+PT_PC;
866 lwi r17, r1, PTO+PT_R17;
867 addik r1, r1, STATE_SAVE_SIZE; /* MS: Clean up stack space */
998 tovirt(r1,r1); 868 tovirt(r1,r1);
9996: 869DBTRAP_return_kernel: /* MS: Make global symbol for debugging */
1000DBTRAP_return: /* Make global symbol for debugging */ 870 rtbd r16, 0; /* MS: Instructions to return from a debug trap */
1001 rtbd r14, 0; /* Instructions to return from an IRQ */
1002 nop; 871 nop;
1003 872
1004 873
1005
1006ENTRY(_switch_to) 874ENTRY(_switch_to)
1007 /* prepare return value */ 875 /* prepare return value */
1008 addk r3, r0, CURRENT_TASK 876 addk r3, r0, CURRENT_TASK
@@ -1037,16 +905,12 @@ ENTRY(_switch_to)
1037 swi r30, r11, CC_R30 905 swi r30, r11, CC_R30
1038 /* special purpose registers */ 906 /* special purpose registers */
1039 mfs r12, rmsr 907 mfs r12, rmsr
1040 nop
1041 swi r12, r11, CC_MSR 908 swi r12, r11, CC_MSR
1042 mfs r12, rear 909 mfs r12, rear
1043 nop
1044 swi r12, r11, CC_EAR 910 swi r12, r11, CC_EAR
1045 mfs r12, resr 911 mfs r12, resr
1046 nop
1047 swi r12, r11, CC_ESR 912 swi r12, r11, CC_ESR
1048 mfs r12, rfsr 913 mfs r12, rfsr
1049 nop
1050 swi r12, r11, CC_FSR 914 swi r12, r11, CC_FSR
1051 915
1052 /* update r31, the current-give me pointer to task which will be next */ 916 /* update r31, the current-give me pointer to task which will be next */
@@ -1085,10 +949,8 @@ ENTRY(_switch_to)
1085 /* special purpose registers */ 949 /* special purpose registers */
1086 lwi r12, r11, CC_FSR 950 lwi r12, r11, CC_FSR
1087 mts rfsr, r12 951 mts rfsr, r12
1088 nop
1089 lwi r12, r11, CC_MSR 952 lwi r12, r11, CC_MSR
1090 mts rmsr, r12 953 mts rmsr, r12
1091 nop
1092 954
1093 rtsd r15, 8 955 rtsd r15, 8
1094 nop 956 nop
@@ -1096,15 +958,6 @@ ENTRY(_switch_to)
1096ENTRY(_reset) 958ENTRY(_reset)
1097 brai 0x70; /* Jump back to FS-boot */ 959 brai 0x70; /* Jump back to FS-boot */
1098 960
1099ENTRY(_break)
1100 mfs r5, rmsr
1101 nop
1102 swi r5, r0, 0x250 + TOPHYS(r0_ram)
1103 mfs r5, resr
1104 nop
1105 swi r5, r0, 0x254 + TOPHYS(r0_ram)
1106 bri 0
1107
1108 /* These are compiled and loaded into high memory, then 961 /* These are compiled and loaded into high memory, then
1109 * copied into place in mach_early_setup */ 962 * copied into place in mach_early_setup */
1110 .section .init.ivt, "ax" 963 .section .init.ivt, "ax"
@@ -1116,14 +969,38 @@ ENTRY(_break)
1116 nop 969 nop
1117 brai TOPHYS(_user_exception); /* syscall handler */ 970 brai TOPHYS(_user_exception); /* syscall handler */
1118 brai TOPHYS(_interrupt); /* Interrupt handler */ 971 brai TOPHYS(_interrupt); /* Interrupt handler */
1119 brai TOPHYS(_break); /* nmi trap handler */ 972 brai TOPHYS(_debug_exception); /* debug trap handler */
1120 brai TOPHYS(_hw_exception_handler); /* HW exception handler */ 973 brai TOPHYS(_hw_exception_handler); /* HW exception handler */
1121 974
1122 .org 0x60
1123 brai TOPHYS(_debug_exception); /* debug trap handler*/
1124
1125.section .rodata,"a" 975.section .rodata,"a"
1126#include "syscall_table.S" 976#include "syscall_table.S"
1127 977
1128syscall_table_size=(.-sys_call_table) 978syscall_table_size=(.-sys_call_table)
1129 979
980type_SYSCALL:
981 .ascii "SYSCALL\0"
982type_IRQ:
983 .ascii "IRQ\0"
984type_IRQ_PREEMPT:
985 .ascii "IRQ (PREEMPTED)\0"
986type_SYSCALL_PREEMPT:
987 .ascii " SYSCALL (PREEMPTED)\0"
988
989 /*
990 * Trap decoding for stack unwinder
991 * Tuples are (start addr, end addr, string)
992 * If return address lies on [start addr, end addr],
993 * unwinder displays 'string'
994 */
995
996 .align 4
997.global microblaze_trap_handlers
998microblaze_trap_handlers:
999 /* Exact matches come first */
1000 .word ret_from_trap; .word ret_from_trap ; .word type_SYSCALL
1001 .word ret_from_irq ; .word ret_from_irq ; .word type_IRQ
1002 /* Fuzzy matches go here */
1003 .word ret_from_irq ; .word no_intr_resched ; .word type_IRQ_PREEMPT
1004 .word ret_from_trap; .word TRAP_return ; .word type_SYSCALL_PREEMPT
1005 /* End of table */
1006 .word 0 ; .word 0 ; .word 0
diff --git a/arch/microblaze/kernel/exceptions.c b/arch/microblaze/kernel/exceptions.c
index 02cbdfe5aa8d..b98ee8d0c1cd 100644
--- a/arch/microblaze/kernel/exceptions.c
+++ b/arch/microblaze/kernel/exceptions.c
@@ -48,12 +48,17 @@ void die(const char *str, struct pt_regs *fp, long err)
48 do_exit(err); 48 do_exit(err);
49} 49}
50 50
51/* for user application debugging */
52void sw_exception(struct pt_regs *regs)
53{
54 _exception(SIGTRAP, regs, TRAP_BRKPT, regs->r16);
55}
56
51void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr) 57void _exception(int signr, struct pt_regs *regs, int code, unsigned long addr)
52{ 58{
53 siginfo_t info; 59 siginfo_t info;
54 60
55 if (kernel_mode(regs)) { 61 if (kernel_mode(regs)) {
56 debugger(regs);
57 die("Exception in kernel mode", regs, signr); 62 die("Exception in kernel mode", regs, signr);
58 } 63 }
59 info.si_signo = signr; 64 info.si_signo = signr;
@@ -143,7 +148,7 @@ asmlinkage void full_exception(struct pt_regs *regs, unsigned int type,
143#ifdef CONFIG_MMU 148#ifdef CONFIG_MMU
144 case MICROBLAZE_PRIVILEGED_EXCEPTION: 149 case MICROBLAZE_PRIVILEGED_EXCEPTION:
145 pr_debug(KERN_WARNING "Privileged exception\n"); 150 pr_debug(KERN_WARNING "Privileged exception\n");
146 /* "brk r0,r0" - used as debug breakpoint */ 151 /* "brk r0,r0" - used as debug breakpoint - old toolchain */
147 if (get_user(code, (unsigned long *)regs->pc) == 0 152 if (get_user(code, (unsigned long *)regs->pc) == 0
148 && code == 0x980c0000) { 153 && code == 0x980c0000) {
149 _exception(SIGTRAP, regs, TRAP_BRKPT, addr); 154 _exception(SIGTRAP, regs, TRAP_BRKPT, addr);
diff --git a/arch/microblaze/kernel/head.S b/arch/microblaze/kernel/head.S
index 1bf739888260..42434008209e 100644
--- a/arch/microblaze/kernel/head.S
+++ b/arch/microblaze/kernel/head.S
@@ -43,10 +43,10 @@
43.global empty_zero_page 43.global empty_zero_page
44.align 12 44.align 12
45empty_zero_page: 45empty_zero_page:
46 .space 4096 46 .space PAGE_SIZE
47.global swapper_pg_dir 47.global swapper_pg_dir
48swapper_pg_dir: 48swapper_pg_dir:
49 .space 4096 49 .space PAGE_SIZE
50 50
51#endif /* CONFIG_MMU */ 51#endif /* CONFIG_MMU */
52 52
diff --git a/arch/microblaze/kernel/hw_exception_handler.S b/arch/microblaze/kernel/hw_exception_handler.S
index 995a2123635b..781195438ee6 100644
--- a/arch/microblaze/kernel/hw_exception_handler.S
+++ b/arch/microblaze/kernel/hw_exception_handler.S
@@ -78,9 +78,6 @@
78#include <asm/asm-offsets.h> 78#include <asm/asm-offsets.h>
79 79
80/* Helpful Macros */ 80/* Helpful Macros */
81#ifndef CONFIG_MMU
82#define EX_HANDLER_STACK_SIZ (4*19)
83#endif
84#define NUM_TO_REG(num) r ## num 81#define NUM_TO_REG(num) r ## num
85 82
86#ifdef CONFIG_MMU 83#ifdef CONFIG_MMU
@@ -988,6 +985,7 @@ ex_unaligned_fixup:
988.end _unaligned_data_exception 985.end _unaligned_data_exception
989#endif /* CONFIG_MMU */ 986#endif /* CONFIG_MMU */
990 987
988.global ex_handler_unhandled
991ex_handler_unhandled: 989ex_handler_unhandled:
992/* FIXME add handle function for unhandled exception - dump register */ 990/* FIXME add handle function for unhandled exception - dump register */
993 bri 0 991 bri 0
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c
index 8f120aca123d..a9345fb4906a 100644
--- a/arch/microblaze/kernel/irq.c
+++ b/arch/microblaze/kernel/irq.c
@@ -17,26 +17,17 @@
17#include <linux/seq_file.h> 17#include <linux/seq_file.h>
18#include <linux/kernel_stat.h> 18#include <linux/kernel_stat.h>
19#include <linux/irq.h> 19#include <linux/irq.h>
20#include <linux/of_irq.h>
20 21
21#include <asm/prom.h> 22#include <asm/prom.h>
22 23
23unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
24{
25 struct of_irq oirq;
26
27 if (of_irq_map_one(dev, index, &oirq))
28 return NO_IRQ;
29
30 return oirq.specifier[0];
31}
32EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
33
34static u32 concurrent_irq; 24static u32 concurrent_irq;
35 25
36void __irq_entry do_IRQ(struct pt_regs *regs) 26void __irq_entry do_IRQ(struct pt_regs *regs)
37{ 27{
38 unsigned int irq; 28 unsigned int irq;
39 struct pt_regs *old_regs = set_irq_regs(regs); 29 struct pt_regs *old_regs = set_irq_regs(regs);
30 trace_hardirqs_off();
40 31
41 irq_enter(); 32 irq_enter();
42 irq = get_irq(regs); 33 irq = get_irq(regs);
@@ -53,6 +44,7 @@ next_irq:
53 44
54 irq_exit(); 45 irq_exit();
55 set_irq_regs(old_regs); 46 set_irq_regs(old_regs);
47 trace_hardirqs_on();
56} 48}
57 49
58int show_interrupts(struct seq_file *p, void *v) 50int show_interrupts(struct seq_file *p, void *v)
@@ -104,7 +96,7 @@ unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq)
104EXPORT_SYMBOL_GPL(irq_create_mapping); 96EXPORT_SYMBOL_GPL(irq_create_mapping);
105 97
106unsigned int irq_create_of_mapping(struct device_node *controller, 98unsigned int irq_create_of_mapping(struct device_node *controller,
107 u32 *intspec, unsigned int intsize) 99 const u32 *intspec, unsigned int intsize)
108{ 100{
109 return intspec[0]; 101 return intspec[0];
110} 102}
diff --git a/arch/microblaze/kernel/kgdb.c b/arch/microblaze/kernel/kgdb.c
new file mode 100644
index 000000000000..bfc006b7f2d8
--- /dev/null
+++ b/arch/microblaze/kernel/kgdb.c
@@ -0,0 +1,147 @@
1/*
2 * Microblaze KGDB support
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 */
8
9#include <linux/kgdb.h>
10#include <linux/kdebug.h>
11#include <linux/irq.h>
12#include <linux/io.h>
13#include <asm/cacheflush.h>
14#include <asm/asm-offsets.h>
15#include <asm/pvr.h>
16
17#define GDB_REG 0
18#define GDB_PC 32
19#define GDB_MSR 33
20#define GDB_EAR 34
21#define GDB_ESR 35
22#define GDB_FSR 36
23#define GDB_BTR 37
24#define GDB_PVR 38
25#define GDB_REDR 50
26#define GDB_RPID 51
27#define GDB_RZPR 52
28#define GDB_RTLBX 53
29#define GDB_RTLBSX 54 /* mfs can't read it */
30#define GDB_RTLBLO 55
31#define GDB_RTLBHI 56
32
33/* keep pvr separately because it is unchangeble */
34struct pvr_s pvr;
35
36void pt_regs_to_gdb_regs(unsigned long *gdb_regs, struct pt_regs *regs)
37{
38 int i;
39 unsigned long *pt_regb = (unsigned long *)regs;
40 int temp;
41 /* registers r0 - r31, pc, msr, ear, esr, fsr + do not save pt_mode */
42 for (i = 0; i < (sizeof(struct pt_regs) / 4) - 1; i++)
43 gdb_regs[i] = pt_regb[i];
44
45 /* Branch target register can't be changed */
46 __asm__ __volatile__ ("mfs %0, rbtr;" : "=r"(temp) : );
47 gdb_regs[GDB_BTR] = temp;
48
49 /* pvr part - we have 11 pvr regs */
50 for (i = 0; i < sizeof(struct pvr_s)/4; i++)
51 gdb_regs[GDB_PVR + i] = pvr.pvr[i];
52
53 /* read special registers - can't be changed */
54 __asm__ __volatile__ ("mfs %0, redr;" : "=r"(temp) : );
55 gdb_regs[GDB_REDR] = temp;
56 __asm__ __volatile__ ("mfs %0, rpid;" : "=r"(temp) : );
57 gdb_regs[GDB_RPID] = temp;
58 __asm__ __volatile__ ("mfs %0, rzpr;" : "=r"(temp) : );
59 gdb_regs[GDB_RZPR] = temp;
60 __asm__ __volatile__ ("mfs %0, rtlbx;" : "=r"(temp) : );
61 gdb_regs[GDB_RTLBX] = temp;
62 __asm__ __volatile__ ("mfs %0, rtlblo;" : "=r"(temp) : );
63 gdb_regs[GDB_RTLBLO] = temp;
64 __asm__ __volatile__ ("mfs %0, rtlbhi;" : "=r"(temp) : );
65 gdb_regs[GDB_RTLBHI] = temp;
66}
67
68void gdb_regs_to_pt_regs(unsigned long *gdb_regs, struct pt_regs *regs)
69{
70 int i;
71 unsigned long *pt_regb = (unsigned long *)regs;
72
73 /* pt_regs and gdb_regs have the same 37 values.
74 * The rest of gdb_regs are unused and can't be changed.
75 * r0 register value can't be changed too. */
76 for (i = 1; i < (sizeof(struct pt_regs) / 4) - 1; i++)
77 pt_regb[i] = gdb_regs[i];
78}
79
80void microblaze_kgdb_break(struct pt_regs *regs)
81{
82 if (kgdb_handle_exception(1, SIGTRAP, 0, regs) != 0)
83 return 0;
84
85 /* Jump over the first arch_kgdb_breakpoint which is barrier to
86 * get kgdb work. The same solution is used for powerpc */
87 if (*(u32 *) (regs->pc) == *(u32 *) (&arch_kgdb_ops.gdb_bpt_instr))
88 regs->pc += BREAK_INSTR_SIZE;
89}
90
91/* untested */
92void sleeping_thread_to_gdb_regs(unsigned long *gdb_regs, struct task_struct *p)
93{
94 int i;
95 unsigned long *pt_regb = (unsigned long *)(p->thread.regs);
96
97 /* registers r0 - r31, pc, msr, ear, esr, fsr + do not save pt_mode */
98 for (i = 0; i < (sizeof(struct pt_regs) / 4) - 1; i++)
99 gdb_regs[i] = pt_regb[i];
100
101 /* pvr part - we have 11 pvr regs */
102 for (i = 0; i < sizeof(struct pvr_s)/4; i++)
103 gdb_regs[GDB_PVR + i] = pvr.pvr[i];
104}
105
106void kgdb_arch_set_pc(struct pt_regs *regs, unsigned long ip)
107{
108 regs->pc = ip;
109}
110
111int kgdb_arch_handle_exception(int vector, int signo, int err_code,
112 char *remcom_in_buffer, char *remcom_out_buffer,
113 struct pt_regs *regs)
114{
115 char *ptr;
116 unsigned long address;
117 int cpu = smp_processor_id();
118
119 switch (remcom_in_buffer[0]) {
120 case 'c':
121 /* handle the optional parameter */
122 ptr = &remcom_in_buffer[1];
123 if (kgdb_hex2long(&ptr, &address))
124 regs->pc = address;
125
126 return 0;
127 }
128 return -1; /* this means that we do not want to exit from the handler */
129}
130
131int kgdb_arch_init(void)
132{
133 get_pvr(&pvr); /* Fill PVR structure */
134 return 0;
135}
136
137void kgdb_arch_exit(void)
138{
139 /* Nothing to do */
140}
141
142/*
143 * Global data
144 */
145struct kgdb_arch arch_kgdb_ops = {
146 .gdb_bpt_instr = {0xba, 0x0c, 0x00, 0x18}, /* brki r16, 0x18 */
147};
diff --git a/arch/microblaze/kernel/misc.S b/arch/microblaze/kernel/misc.S
index 0fb5fc6c1fc2..206da3da361f 100644
--- a/arch/microblaze/kernel/misc.S
+++ b/arch/microblaze/kernel/misc.S
@@ -76,7 +76,7 @@ early_console_reg_tlb_alloc:
76 * the UARTs nice and early. We use a 4k real==virtual mapping. 76 * the UARTs nice and early. We use a 4k real==virtual mapping.
77 */ 77 */
78 ori r4, r0, MICROBLAZE_TLB_SIZE - 1 78 ori r4, r0, MICROBLAZE_TLB_SIZE - 1
79 mts rtlbx, r4 /* TLB slot 2 */ 79 mts rtlbx, r4 /* TLB slot 63 */
80 80
81 or r4,r5,r0 81 or r4,r5,r0
82 andi r4,r4,0xfffff000 82 andi r4,r4,0xfffff000
diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c
deleted file mode 100644
index b372787886ed..000000000000
--- a/arch/microblaze/kernel/of_device.c
+++ /dev/null
@@ -1,112 +0,0 @@
1#include <linux/string.h>
2#include <linux/kernel.h>
3#include <linux/of.h>
4#include <linux/init.h>
5#include <linux/module.h>
6#include <linux/mod_devicetable.h>
7#include <linux/slab.h>
8#include <linux/of_device.h>
9
10#include <linux/errno.h>
11
12void of_device_make_bus_id(struct of_device *dev)
13{
14 static atomic_t bus_no_reg_magic;
15 struct device_node *node = dev->dev.of_node;
16 const u32 *reg;
17 u64 addr;
18 int magic;
19
20 /*
21 * For MMIO, get the physical address
22 */
23 reg = of_get_property(node, "reg", NULL);
24 if (reg) {
25 addr = of_translate_address(node, reg);
26 if (addr != OF_BAD_ADDR) {
27 dev_set_name(&dev->dev, "%llx.%s",
28 (unsigned long long)addr, node->name);
29 return;
30 }
31 }
32
33 /*
34 * No BusID, use the node name and add a globally incremented
35 * counter (and pray...)
36 */
37 magic = atomic_add_return(1, &bus_no_reg_magic);
38 dev_set_name(&dev->dev, "%s.%d", node->name, magic - 1);
39}
40EXPORT_SYMBOL(of_device_make_bus_id);
41
42struct of_device *of_device_alloc(struct device_node *np,
43 const char *bus_id,
44 struct device *parent)
45{
46 struct of_device *dev;
47
48 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
49 if (!dev)
50 return NULL;
51
52 dev->dev.of_node = of_node_get(np);
53 dev->dev.dma_mask = &dev->archdata.dma_mask;
54 dev->dev.parent = parent;
55 dev->dev.release = of_release_dev;
56
57 if (bus_id)
58 dev_set_name(&dev->dev, bus_id);
59 else
60 of_device_make_bus_id(dev);
61
62 return dev;
63}
64EXPORT_SYMBOL(of_device_alloc);
65
66int of_device_uevent(struct device *dev, struct kobj_uevent_env *env)
67{
68 struct of_device *ofdev;
69 const char *compat;
70 int seen = 0, cplen, sl;
71
72 if (!dev)
73 return -ENODEV;
74
75 ofdev = to_of_device(dev);
76
77 if (add_uevent_var(env, "OF_NAME=%s", ofdev->dev.of_node->name))
78 return -ENOMEM;
79
80 if (add_uevent_var(env, "OF_TYPE=%s", ofdev->dev.of_node->type))
81 return -ENOMEM;
82
83 /* Since the compatible field can contain pretty much anything
84 * it's not really legal to split it out with commas. We split it
85 * up using a number of environment variables instead. */
86
87 compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen);
88 while (compat && *compat && cplen > 0) {
89 if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat))
90 return -ENOMEM;
91
92 sl = strlen(compat) + 1;
93 compat += sl;
94 cplen -= sl;
95 seen++;
96 }
97
98 if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen))
99 return -ENOMEM;
100
101 /* modalias is trickier, we add it in 2 steps */
102 if (add_uevent_var(env, "MODALIAS="))
103 return -ENOMEM;
104 sl = of_device_get_modalias(ofdev, &env->buf[env->buflen-1],
105 sizeof(env->buf) - env->buflen);
106 if (sl >= (sizeof(env->buf) - env->buflen))
107 return -ENOMEM;
108 env->buflen += sl;
109
110 return 0;
111}
112EXPORT_SYMBOL(of_device_uevent);
diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c
deleted file mode 100644
index ccf6f4257f4b..000000000000
--- a/arch/microblaze/kernel/of_platform.c
+++ /dev/null
@@ -1,200 +0,0 @@
1/*
2 * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
3 * <benh@kernel.crashing.org>
4 * and Arnd Bergmann, IBM Corp.
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 *
11 */
12
13#undef DEBUG
14
15#include <linux/string.h>
16#include <linux/kernel.h>
17#include <linux/init.h>
18#include <linux/module.h>
19#include <linux/mod_devicetable.h>
20#include <linux/pci.h>
21#include <linux/of.h>
22#include <linux/of_device.h>
23#include <linux/of_platform.h>
24
25#include <linux/errno.h>
26#include <linux/topology.h>
27#include <asm/atomic.h>
28
29struct bus_type of_platform_bus_type = {
30 .uevent = of_device_uevent,
31};
32EXPORT_SYMBOL(of_platform_bus_type);
33
34static int __init of_bus_driver_init(void)
35{
36 return of_bus_type_init(&of_platform_bus_type, "of_platform");
37}
38postcore_initcall(of_bus_driver_init);
39
40struct of_device *of_platform_device_create(struct device_node *np,
41 const char *bus_id,
42 struct device *parent)
43{
44 struct of_device *dev;
45
46 dev = of_device_alloc(np, bus_id, parent);
47 if (!dev)
48 return NULL;
49
50 dev->archdata.dma_mask = 0xffffffffUL;
51 dev->dev.bus = &of_platform_bus_type;
52
53 /* We do not fill the DMA ops for platform devices by default.
54 * This is currently the responsibility of the platform code
55 * to do such, possibly using a device notifier
56 */
57
58 if (of_device_register(dev) != 0) {
59 of_device_free(dev);
60 return NULL;
61 }
62
63 return dev;
64}
65EXPORT_SYMBOL(of_platform_device_create);
66
67/**
68 * of_platform_bus_create - Create an OF device for a bus node and all its
69 * children. Optionally recursively instanciate matching busses.
70 * @bus: device node of the bus to instanciate
71 * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to
72 * disallow recursive creation of child busses
73 */
74static int of_platform_bus_create(const struct device_node *bus,
75 const struct of_device_id *matches,
76 struct device *parent)
77{
78 struct device_node *child;
79 struct of_device *dev;
80 int rc = 0;
81
82 for_each_child_of_node(bus, child) {
83 pr_debug(" create child: %s\n", child->full_name);
84 dev = of_platform_device_create(child, NULL, parent);
85 if (dev == NULL)
86 rc = -ENOMEM;
87 else if (!of_match_node(matches, child))
88 continue;
89 if (rc == 0) {
90 pr_debug(" and sub busses\n");
91 rc = of_platform_bus_create(child, matches, &dev->dev);
92 }
93 if (rc) {
94 of_node_put(child);
95 break;
96 }
97 }
98 return rc;
99}
100
101
102/**
103 * of_platform_bus_probe - Probe the device-tree for platform busses
104 * @root: parent of the first level to probe or NULL for the root of the tree
105 * @matches: match table, NULL to use the default
106 * @parent: parent to hook devices from, NULL for toplevel
107 *
108 * Note that children of the provided root are not instanciated as devices
109 * unless the specified root itself matches the bus list and is not NULL.
110 */
111
112int of_platform_bus_probe(struct device_node *root,
113 const struct of_device_id *matches,
114 struct device *parent)
115{
116 struct device_node *child;
117 struct of_device *dev;
118 int rc = 0;
119
120 if (matches == NULL)
121 matches = of_default_bus_ids;
122 if (matches == OF_NO_DEEP_PROBE)
123 return -EINVAL;
124 if (root == NULL)
125 root = of_find_node_by_path("/");
126 else
127 of_node_get(root);
128
129 pr_debug("of_platform_bus_probe()\n");
130 pr_debug(" starting at: %s\n", root->full_name);
131
132 /* Do a self check of bus type, if there's a match, create
133 * children
134 */
135 if (of_match_node(matches, root)) {
136 pr_debug(" root match, create all sub devices\n");
137 dev = of_platform_device_create(root, NULL, parent);
138 if (dev == NULL) {
139 rc = -ENOMEM;
140 goto bail;
141 }
142 pr_debug(" create all sub busses\n");
143 rc = of_platform_bus_create(root, matches, &dev->dev);
144 goto bail;
145 }
146 for_each_child_of_node(root, child) {
147 if (!of_match_node(matches, child))
148 continue;
149
150 pr_debug(" match: %s\n", child->full_name);
151 dev = of_platform_device_create(child, NULL, parent);
152 if (dev == NULL)
153 rc = -ENOMEM;
154 else
155 rc = of_platform_bus_create(child, matches, &dev->dev);
156 if (rc) {
157 of_node_put(child);
158 break;
159 }
160 }
161 bail:
162 of_node_put(root);
163 return rc;
164}
165EXPORT_SYMBOL(of_platform_bus_probe);
166
167static int of_dev_node_match(struct device *dev, void *data)
168{
169 return to_of_device(dev)->dev.of_node == data;
170}
171
172struct of_device *of_find_device_by_node(struct device_node *np)
173{
174 struct device *dev;
175
176 dev = bus_find_device(&of_platform_bus_type,
177 NULL, np, of_dev_node_match);
178 if (dev)
179 return to_of_device(dev);
180 return NULL;
181}
182EXPORT_SYMBOL(of_find_device_by_node);
183
184static int of_dev_phandle_match(struct device *dev, void *data)
185{
186 phandle *ph = data;
187 return to_of_device(dev)->dev.of_node->phandle == *ph;
188}
189
190struct of_device *of_find_device_by_phandle(phandle ph)
191{
192 struct device *dev;
193
194 dev = bus_find_device(&of_platform_bus_type,
195 NULL, &ph, of_dev_phandle_match);
196 if (dev)
197 return to_of_device(dev);
198 return NULL;
199}
200EXPORT_SYMBOL(of_find_device_by_phandle);
diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 09bed44dfcd3..ba7c4b16ed35 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -76,8 +76,11 @@ __setup("hlt", hlt_setup);
76void default_idle(void) 76void default_idle(void)
77{ 77{
78 if (likely(hlt_counter)) { 78 if (likely(hlt_counter)) {
79 while (!need_resched()) 79 local_irq_disable();
80 cpu_relax(); 80 stop_critical_timings();
81 cpu_relax();
82 start_critical_timings();
83 local_irq_enable();
81 } else { 84 } else {
82 clear_thread_flag(TIF_POLLING_NRFLAG); 85 clear_thread_flag(TIF_POLLING_NRFLAG);
83 smp_mb__after_clear_bit(); 86 smp_mb__after_clear_bit();
diff --git a/arch/microblaze/kernel/prom_parse.c b/arch/microblaze/kernel/prom_parse.c
index bf7e6c27e318..d33ba17601fa 100644
--- a/arch/microblaze/kernel/prom_parse.c
+++ b/arch/microblaze/kernel/prom_parse.c
@@ -6,219 +6,11 @@
6#include <linux/module.h> 6#include <linux/module.h>
7#include <linux/ioport.h> 7#include <linux/ioport.h>
8#include <linux/etherdevice.h> 8#include <linux/etherdevice.h>
9#include <linux/of_address.h>
9#include <asm/prom.h> 10#include <asm/prom.h>
10#include <asm/pci-bridge.h> 11#include <asm/pci-bridge.h>
11 12
12#define PRu64 "%llx"
13
14/* Max address size we deal with */
15#define OF_MAX_ADDR_CELLS 4
16#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \
17 (ns) > 0)
18
19static struct of_bus *of_match_bus(struct device_node *np);
20static int __of_address_to_resource(struct device_node *dev,
21 const u32 *addrp, u64 size, unsigned int flags,
22 struct resource *r);
23
24/* Debug utility */
25#ifdef DEBUG
26static void of_dump_addr(const char *s, const u32 *addr, int na)
27{
28 printk(KERN_INFO "%s", s);
29 while (na--)
30 printk(KERN_INFO " %08x", *(addr++));
31 printk(KERN_INFO "\n");
32}
33#else
34static void of_dump_addr(const char *s, const u32 *addr, int na) { }
35#endif
36
37/* Callbacks for bus specific translators */
38struct of_bus {
39 const char *name;
40 const char *addresses;
41 int (*match)(struct device_node *parent);
42 void (*count_cells)(struct device_node *child,
43 int *addrc, int *sizec);
44 u64 (*map)(u32 *addr, const u32 *range,
45 int na, int ns, int pna);
46 int (*translate)(u32 *addr, u64 offset, int na);
47 unsigned int (*get_flags)(const u32 *addr);
48};
49
50/*
51 * Default translator (generic bus)
52 */
53
54static void of_bus_default_count_cells(struct device_node *dev,
55 int *addrc, int *sizec)
56{
57 if (addrc)
58 *addrc = of_n_addr_cells(dev);
59 if (sizec)
60 *sizec = of_n_size_cells(dev);
61}
62
63static u64 of_bus_default_map(u32 *addr, const u32 *range,
64 int na, int ns, int pna)
65{
66 u64 cp, s, da;
67
68 cp = of_read_number(range, na);
69 s = of_read_number(range + na + pna, ns);
70 da = of_read_number(addr, na);
71
72 pr_debug("OF: default map, cp="PRu64", s="PRu64", da="PRu64"\n",
73 cp, s, da);
74
75 if (da < cp || da >= (cp + s))
76 return OF_BAD_ADDR;
77 return da - cp;
78}
79
80static int of_bus_default_translate(u32 *addr, u64 offset, int na)
81{
82 u64 a = of_read_number(addr, na);
83 memset(addr, 0, na * 4);
84 a += offset;
85 if (na > 1)
86 addr[na - 2] = a >> 32;
87 addr[na - 1] = a & 0xffffffffu;
88
89 return 0;
90}
91
92static unsigned int of_bus_default_get_flags(const u32 *addr)
93{
94 return IORESOURCE_MEM;
95}
96
97#ifdef CONFIG_PCI 13#ifdef CONFIG_PCI
98/*
99 * PCI bus specific translator
100 */
101
102static int of_bus_pci_match(struct device_node *np)
103{
104 /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */
105 return !strcmp(np->type, "pci") || !strcmp(np->type, "vci");
106}
107
108static void of_bus_pci_count_cells(struct device_node *np,
109 int *addrc, int *sizec)
110{
111 if (addrc)
112 *addrc = 3;
113 if (sizec)
114 *sizec = 2;
115}
116
117static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
118{
119 u64 cp, s, da;
120
121 /* Check address type match */
122 if ((addr[0] ^ range[0]) & 0x03000000)
123 return OF_BAD_ADDR;
124
125 /* Read address values, skipping high cell */
126 cp = of_read_number(range + 1, na - 1);
127 s = of_read_number(range + na + pna, ns);
128 da = of_read_number(addr + 1, na - 1);
129
130 pr_debug("OF: PCI map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
131
132 if (da < cp || da >= (cp + s))
133 return OF_BAD_ADDR;
134 return da - cp;
135}
136
137static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
138{
139 return of_bus_default_translate(addr + 1, offset, na - 1);
140}
141
142static unsigned int of_bus_pci_get_flags(const u32 *addr)
143{
144 unsigned int flags = 0;
145 u32 w = addr[0];
146
147 switch ((w >> 24) & 0x03) {
148 case 0x01:
149 flags |= IORESOURCE_IO;
150 break;
151 case 0x02: /* 32 bits */
152 case 0x03: /* 64 bits */
153 flags |= IORESOURCE_MEM;
154 break;
155 }
156 if (w & 0x40000000)
157 flags |= IORESOURCE_PREFETCH;
158 return flags;
159}
160
161const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
162 unsigned int *flags)
163{
164 const u32 *prop;
165 unsigned int psize;
166 struct device_node *parent;
167 struct of_bus *bus;
168 int onesize, i, na, ns;
169
170 /* Get parent & match bus type */
171 parent = of_get_parent(dev);
172 if (parent == NULL)
173 return NULL;
174 bus = of_match_bus(parent);
175 if (strcmp(bus->name, "pci")) {
176 of_node_put(parent);
177 return NULL;
178 }
179 bus->count_cells(dev, &na, &ns);
180 of_node_put(parent);
181 if (!OF_CHECK_COUNTS(na, ns))
182 return NULL;
183
184 /* Get "reg" or "assigned-addresses" property */
185 prop = of_get_property(dev, bus->addresses, &psize);
186 if (prop == NULL)
187 return NULL;
188 psize /= 4;
189
190 onesize = na + ns;
191 for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
192 if ((prop[0] & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) {
193 if (size)
194 *size = of_read_number(prop + na, ns);
195 if (flags)
196 *flags = bus->get_flags(prop);
197 return prop;
198 }
199 return NULL;
200}
201EXPORT_SYMBOL(of_get_pci_address);
202
203int of_pci_address_to_resource(struct device_node *dev, int bar,
204 struct resource *r)
205{
206 const u32 *addrp;
207 u64 size;
208 unsigned int flags;
209
210 addrp = of_get_pci_address(dev, bar, &size, &flags);
211 if (addrp == NULL)
212 return -EINVAL;
213 return __of_address_to_resource(dev, addrp, size, flags, r);
214}
215EXPORT_SYMBOL_GPL(of_pci_address_to_resource);
216
217static u8 of_irq_pci_swizzle(u8 slot, u8 pin)
218{
219 return (((pin - 1) + slot) % 4) + 1;
220}
221
222int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) 14int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
223{ 15{
224 struct device_node *dn, *ppnode; 16 struct device_node *dn, *ppnode;
@@ -293,331 +85,6 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
293EXPORT_SYMBOL_GPL(of_irq_map_pci); 85EXPORT_SYMBOL_GPL(of_irq_map_pci);
294#endif /* CONFIG_PCI */ 86#endif /* CONFIG_PCI */
295 87
296/*
297 * ISA bus specific translator
298 */
299
300static int of_bus_isa_match(struct device_node *np)
301{
302 return !strcmp(np->name, "isa");
303}
304
305static void of_bus_isa_count_cells(struct device_node *child,
306 int *addrc, int *sizec)
307{
308 if (addrc)
309 *addrc = 2;
310 if (sizec)
311 *sizec = 1;
312}
313
314static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna)
315{
316 u64 cp, s, da;
317
318 /* Check address type match */
319 if ((addr[0] ^ range[0]) & 0x00000001)
320 return OF_BAD_ADDR;
321
322 /* Read address values, skipping high cell */
323 cp = of_read_number(range + 1, na - 1);
324 s = of_read_number(range + na + pna, ns);
325 da = of_read_number(addr + 1, na - 1);
326
327 pr_debug("OF: ISA map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da);
328
329 if (da < cp || da >= (cp + s))
330 return OF_BAD_ADDR;
331 return da - cp;
332}
333
334static int of_bus_isa_translate(u32 *addr, u64 offset, int na)
335{
336 return of_bus_default_translate(addr + 1, offset, na - 1);
337}
338
339static unsigned int of_bus_isa_get_flags(const u32 *addr)
340{
341 unsigned int flags = 0;
342 u32 w = addr[0];
343
344 if (w & 1)
345 flags |= IORESOURCE_IO;
346 else
347 flags |= IORESOURCE_MEM;
348 return flags;
349}
350
351/*
352 * Array of bus specific translators
353 */
354
355static struct of_bus of_busses[] = {
356#ifdef CONFIG_PCI
357 /* PCI */
358 {
359 .name = "pci",
360 .addresses = "assigned-addresses",
361 .match = of_bus_pci_match,
362 .count_cells = of_bus_pci_count_cells,
363 .map = of_bus_pci_map,
364 .translate = of_bus_pci_translate,
365 .get_flags = of_bus_pci_get_flags,
366 },
367#endif /* CONFIG_PCI */
368 /* ISA */
369 {
370 .name = "isa",
371 .addresses = "reg",
372 .match = of_bus_isa_match,
373 .count_cells = of_bus_isa_count_cells,
374 .map = of_bus_isa_map,
375 .translate = of_bus_isa_translate,
376 .get_flags = of_bus_isa_get_flags,
377 },
378 /* Default */
379 {
380 .name = "default",
381 .addresses = "reg",
382 .match = NULL,
383 .count_cells = of_bus_default_count_cells,
384 .map = of_bus_default_map,
385 .translate = of_bus_default_translate,
386 .get_flags = of_bus_default_get_flags,
387 },
388};
389
390static struct of_bus *of_match_bus(struct device_node *np)
391{
392 int i;
393
394 for (i = 0; i < ARRAY_SIZE(of_busses); i++)
395 if (!of_busses[i].match || of_busses[i].match(np))
396 return &of_busses[i];
397 BUG();
398 return NULL;
399}
400
401static int of_translate_one(struct device_node *parent, struct of_bus *bus,
402 struct of_bus *pbus, u32 *addr,
403 int na, int ns, int pna)
404{
405 const u32 *ranges;
406 unsigned int rlen;
407 int rone;
408 u64 offset = OF_BAD_ADDR;
409
410 /* Normally, an absence of a "ranges" property means we are
411 * crossing a non-translatable boundary, and thus the addresses
412 * below the current not cannot be converted to CPU physical ones.
413 * Unfortunately, while this is very clear in the spec, it's not
414 * what Apple understood, and they do have things like /uni-n or
415 * /ht nodes with no "ranges" property and a lot of perfectly
416 * useable mapped devices below them. Thus we treat the absence of
417 * "ranges" as equivalent to an empty "ranges" property which means
418 * a 1:1 translation at that level. It's up to the caller not to try
419 * to translate addresses that aren't supposed to be translated in
420 * the first place. --BenH.
421 */
422 ranges = of_get_property(parent, "ranges", (int *) &rlen);
423 if (ranges == NULL || rlen == 0) {
424 offset = of_read_number(addr, na);
425 memset(addr, 0, pna * 4);
426 pr_debug("OF: no ranges, 1:1 translation\n");
427 goto finish;
428 }
429
430 pr_debug("OF: walking ranges...\n");
431
432 /* Now walk through the ranges */
433 rlen /= 4;
434 rone = na + pna + ns;
435 for (; rlen >= rone; rlen -= rone, ranges += rone) {
436 offset = bus->map(addr, ranges, na, ns, pna);
437 if (offset != OF_BAD_ADDR)
438 break;
439 }
440 if (offset == OF_BAD_ADDR) {
441 pr_debug("OF: not found !\n");
442 return 1;
443 }
444 memcpy(addr, ranges + na, 4 * pna);
445
446 finish:
447 of_dump_addr("OF: parent translation for:", addr, pna);
448 pr_debug("OF: with offset: "PRu64"\n", offset);
449
450 /* Translate it into parent bus space */
451 return pbus->translate(addr, offset, pna);
452}
453
454/*
455 * Translate an address from the device-tree into a CPU physical address,
456 * this walks up the tree and applies the various bus mappings on the
457 * way.
458 *
459 * Note: We consider that crossing any level with #size-cells == 0 to mean
460 * that translation is impossible (that is we are not dealing with a value
461 * that can be mapped to a cpu physical address). This is not really specified
462 * that way, but this is traditionally the way IBM at least do things
463 */
464u64 of_translate_address(struct device_node *dev, const u32 *in_addr)
465{
466 struct device_node *parent = NULL;
467 struct of_bus *bus, *pbus;
468 u32 addr[OF_MAX_ADDR_CELLS];
469 int na, ns, pna, pns;
470 u64 result = OF_BAD_ADDR;
471
472 pr_debug("OF: ** translation for device %s **\n", dev->full_name);
473
474 /* Increase refcount at current level */
475 of_node_get(dev);
476
477 /* Get parent & match bus type */
478 parent = of_get_parent(dev);
479 if (parent == NULL)
480 goto bail;
481 bus = of_match_bus(parent);
482
483 /* Cound address cells & copy address locally */
484 bus->count_cells(dev, &na, &ns);
485 if (!OF_CHECK_COUNTS(na, ns)) {
486 printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
487 dev->full_name);
488 goto bail;
489 }
490 memcpy(addr, in_addr, na * 4);
491
492 pr_debug("OF: bus is %s (na=%d, ns=%d) on %s\n",
493 bus->name, na, ns, parent->full_name);
494 of_dump_addr("OF: translating address:", addr, na);
495
496 /* Translate */
497 for (;;) {
498 /* Switch to parent bus */
499 of_node_put(dev);
500 dev = parent;
501 parent = of_get_parent(dev);
502
503 /* If root, we have finished */
504 if (parent == NULL) {
505 pr_debug("OF: reached root node\n");
506 result = of_read_number(addr, na);
507 break;
508 }
509
510 /* Get new parent bus and counts */
511 pbus = of_match_bus(parent);
512 pbus->count_cells(dev, &pna, &pns);
513 if (!OF_CHECK_COUNTS(pna, pns)) {
514 printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
515 dev->full_name);
516 break;
517 }
518
519 pr_debug("OF: parent bus is %s (na=%d, ns=%d) on %s\n",
520 pbus->name, pna, pns, parent->full_name);
521
522 /* Apply bus translation */
523 if (of_translate_one(dev, bus, pbus, addr, na, ns, pna))
524 break;
525
526 /* Complete the move up one level */
527 na = pna;
528 ns = pns;
529 bus = pbus;
530
531 of_dump_addr("OF: one level translation:", addr, na);
532 }
533 bail:
534 of_node_put(parent);
535 of_node_put(dev);
536
537 return result;
538}
539EXPORT_SYMBOL(of_translate_address);
540
541const u32 *of_get_address(struct device_node *dev, int index, u64 *size,
542 unsigned int *flags)
543{
544 const u32 *prop;
545 unsigned int psize;
546 struct device_node *parent;
547 struct of_bus *bus;
548 int onesize, i, na, ns;
549
550 /* Get parent & match bus type */
551 parent = of_get_parent(dev);
552 if (parent == NULL)
553 return NULL;
554 bus = of_match_bus(parent);
555 bus->count_cells(dev, &na, &ns);
556 of_node_put(parent);
557 if (!OF_CHECK_COUNTS(na, ns))
558 return NULL;
559
560 /* Get "reg" or "assigned-addresses" property */
561 prop = of_get_property(dev, bus->addresses, (int *) &psize);
562 if (prop == NULL)
563 return NULL;
564 psize /= 4;
565
566 onesize = na + ns;
567 for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++)
568 if (i == index) {
569 if (size)
570 *size = of_read_number(prop + na, ns);
571 if (flags)
572 *flags = bus->get_flags(prop);
573 return prop;
574 }
575 return NULL;
576}
577EXPORT_SYMBOL(of_get_address);
578
579static int __of_address_to_resource(struct device_node *dev, const u32 *addrp,
580 u64 size, unsigned int flags,
581 struct resource *r)
582{
583 u64 taddr;
584
585 if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0)
586 return -EINVAL;
587 taddr = of_translate_address(dev, addrp);
588 if (taddr == OF_BAD_ADDR)
589 return -EINVAL;
590 memset(r, 0, sizeof(struct resource));
591 if (flags & IORESOURCE_IO) {
592 unsigned long port;
593 port = -1; /* pci_address_to_pio(taddr); */
594 if (port == (unsigned long)-1)
595 return -EINVAL;
596 r->start = port;
597 r->end = port + size - 1;
598 } else {
599 r->start = taddr;
600 r->end = taddr + size - 1;
601 }
602 r->flags = flags;
603 r->name = dev->name;
604 return 0;
605}
606
607int of_address_to_resource(struct device_node *dev, int index,
608 struct resource *r)
609{
610 const u32 *addrp;
611 u64 size;
612 unsigned int flags;
613
614 addrp = of_get_address(dev, index, &size, &flags);
615 if (addrp == NULL)
616 return -EINVAL;
617 return __of_address_to_resource(dev, addrp, size, flags, r);
618}
619EXPORT_SYMBOL_GPL(of_address_to_resource);
620
621void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, 88void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
622 unsigned long *busno, unsigned long *phys, unsigned long *size) 89 unsigned long *busno, unsigned long *phys, unsigned long *size)
623{ 90{
@@ -644,308 +111,6 @@ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
644 *size = of_read_number(dma_window, cells); 111 *size = of_read_number(dma_window, cells);
645} 112}
646 113
647/*
648 * Interrupt remapper
649 */
650
651static unsigned int of_irq_workarounds;
652static struct device_node *of_irq_dflt_pic;
653
654static struct device_node *of_irq_find_parent(struct device_node *child)
655{
656 struct device_node *p;
657 const phandle *parp;
658
659 if (!of_node_get(child))
660 return NULL;
661
662 do {
663 parp = of_get_property(child, "interrupt-parent", NULL);
664 if (parp == NULL)
665 p = of_get_parent(child);
666 else {
667 if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
668 p = of_node_get(of_irq_dflt_pic);
669 else
670 p = of_find_node_by_phandle(*parp);
671 }
672 of_node_put(child);
673 child = p;
674 } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL);
675
676 return p;
677}
678
679/* This doesn't need to be called if you don't have any special workaround
680 * flags to pass
681 */
682void of_irq_map_init(unsigned int flags)
683{
684 of_irq_workarounds = flags;
685
686 /* OldWorld, don't bother looking at other things */
687 if (flags & OF_IMAP_OLDWORLD_MAC)
688 return;
689
690 /* If we don't have phandles, let's try to locate a default interrupt
691 * controller (happens when booting with BootX). We do a first match
692 * here, hopefully, that only ever happens on machines with one
693 * controller.
694 */
695 if (flags & OF_IMAP_NO_PHANDLE) {
696 struct device_node *np;
697
698 for (np = NULL; (np = of_find_all_nodes(np)) != NULL;) {
699 if (of_get_property(np, "interrupt-controller", NULL)
700 == NULL)
701 continue;
702 /* Skip /chosen/interrupt-controller */
703 if (strcmp(np->name, "chosen") == 0)
704 continue;
705 /* It seems like at least one person on this planet
706 * wants to use BootX on a machine with an AppleKiwi
707 * controller which happens to pretend to be an
708 * interrupt controller too.
709 */
710 if (strcmp(np->name, "AppleKiwi") == 0)
711 continue;
712 /* I think we found one ! */
713 of_irq_dflt_pic = np;
714 break;
715 }
716 }
717
718}
719
720int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize,
721 const u32 *addr, struct of_irq *out_irq)
722{
723 struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
724 const u32 *tmp, *imap, *imask;
725 u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
726 int imaplen, match, i;
727
728 pr_debug("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],"
729 "ointsize=%d\n",
730 parent->full_name, intspec[0], intspec[1], ointsize);
731
732 ipar = of_node_get(parent);
733
734 /* First get the #interrupt-cells property of the current cursor
735 * that tells us how to interpret the passed-in intspec. If there
736 * is none, we are nice and just walk up the tree
737 */
738 do {
739 tmp = of_get_property(ipar, "#interrupt-cells", NULL);
740 if (tmp != NULL) {
741 intsize = *tmp;
742 break;
743 }
744 tnode = ipar;
745 ipar = of_irq_find_parent(ipar);
746 of_node_put(tnode);
747 } while (ipar);
748 if (ipar == NULL) {
749 pr_debug(" -> no parent found !\n");
750 goto fail;
751 }
752
753 pr_debug("of_irq_map_raw: ipar=%s, size=%d\n",
754 ipar->full_name, intsize);
755
756 if (ointsize != intsize)
757 return -EINVAL;
758
759 /* Look for this #address-cells. We have to implement the old linux
760 * trick of looking for the parent here as some device-trees rely on it
761 */
762 old = of_node_get(ipar);
763 do {
764 tmp = of_get_property(old, "#address-cells", NULL);
765 tnode = of_get_parent(old);
766 of_node_put(old);
767 old = tnode;
768 } while (old && tmp == NULL);
769 of_node_put(old);
770 old = NULL;
771 addrsize = (tmp == NULL) ? 2 : *tmp;
772
773 pr_debug(" -> addrsize=%d\n", addrsize);
774
775 /* Now start the actual "proper" walk of the interrupt tree */
776 while (ipar != NULL) {
777 /* Now check if cursor is an interrupt-controller and if it is
778 * then we are done
779 */
780 if (of_get_property(ipar, "interrupt-controller", NULL) !=
781 NULL) {
782 pr_debug(" -> got it !\n");
783 memcpy(out_irq->specifier, intspec,
784 intsize * sizeof(u32));
785 out_irq->size = intsize;
786 out_irq->controller = ipar;
787 of_node_put(old);
788 return 0;
789 }
790
791 /* Now look for an interrupt-map */
792 imap = of_get_property(ipar, "interrupt-map", &imaplen);
793 /* No interrupt map, check for an interrupt parent */
794 if (imap == NULL) {
795 pr_debug(" -> no map, getting parent\n");
796 newpar = of_irq_find_parent(ipar);
797 goto skiplevel;
798 }
799 imaplen /= sizeof(u32);
800
801 /* Look for a mask */
802 imask = of_get_property(ipar, "interrupt-map-mask", NULL);
803
804 /* If we were passed no "reg" property and we attempt to parse
805 * an interrupt-map, then #address-cells must be 0.
806 * Fail if it's not.
807 */
808 if (addr == NULL && addrsize != 0) {
809 pr_debug(" -> no reg passed in when needed !\n");
810 goto fail;
811 }
812
813 /* Parse interrupt-map */
814 match = 0;
815 while (imaplen > (addrsize + intsize + 1) && !match) {
816 /* Compare specifiers */
817 match = 1;
818 for (i = 0; i < addrsize && match; ++i) {
819 u32 mask = imask ? imask[i] : 0xffffffffu;
820 match = ((addr[i] ^ imap[i]) & mask) == 0;
821 }
822 for (; i < (addrsize + intsize) && match; ++i) {
823 u32 mask = imask ? imask[i] : 0xffffffffu;
824 match =
825 ((intspec[i-addrsize] ^ imap[i])
826 & mask) == 0;
827 }
828 imap += addrsize + intsize;
829 imaplen -= addrsize + intsize;
830
831 pr_debug(" -> match=%d (imaplen=%d)\n", match, imaplen);
832
833 /* Get the interrupt parent */
834 if (of_irq_workarounds & OF_IMAP_NO_PHANDLE)
835 newpar = of_node_get(of_irq_dflt_pic);
836 else
837 newpar =
838 of_find_node_by_phandle((phandle)*imap);
839 imap++;
840 --imaplen;
841
842 /* Check if not found */
843 if (newpar == NULL) {
844 pr_debug(" -> imap parent not found !\n");
845 goto fail;
846 }
847
848 /* Get #interrupt-cells and #address-cells of new
849 * parent
850 */
851 tmp = of_get_property(newpar, "#interrupt-cells", NULL);
852 if (tmp == NULL) {
853 pr_debug(" -> parent lacks "
854 "#interrupt-cells!\n");
855 goto fail;
856 }
857 newintsize = *tmp;
858 tmp = of_get_property(newpar, "#address-cells", NULL);
859 newaddrsize = (tmp == NULL) ? 0 : *tmp;
860
861 pr_debug(" -> newintsize=%d, newaddrsize=%d\n",
862 newintsize, newaddrsize);
863
864 /* Check for malformed properties */
865 if (imaplen < (newaddrsize + newintsize))
866 goto fail;
867
868 imap += newaddrsize + newintsize;
869 imaplen -= newaddrsize + newintsize;
870
871 pr_debug(" -> imaplen=%d\n", imaplen);
872 }
873 if (!match)
874 goto fail;
875
876 of_node_put(old);
877 old = of_node_get(newpar);
878 addrsize = newaddrsize;
879 intsize = newintsize;
880 intspec = imap - intsize;
881 addr = intspec - addrsize;
882
883skiplevel:
884 /* Iterate again with new parent */
885 pr_debug(" -> new parent: %s\n",
886 newpar ? newpar->full_name : "<>");
887 of_node_put(ipar);
888 ipar = newpar;
889 newpar = NULL;
890 }
891fail:
892 of_node_put(ipar);
893 of_node_put(old);
894 of_node_put(newpar);
895
896 return -EINVAL;
897}
898EXPORT_SYMBOL_GPL(of_irq_map_raw);
899
900int of_irq_map_one(struct device_node *device,
901 int index, struct of_irq *out_irq)
902{
903 struct device_node *p;
904 const u32 *intspec, *tmp, *addr;
905 u32 intsize, intlen;
906 int res;
907
908 pr_debug("of_irq_map_one: dev=%s, index=%d\n",
909 device->full_name, index);
910
911 /* Get the interrupts property */
912 intspec = of_get_property(device, "interrupts", (int *) &intlen);
913 if (intspec == NULL)
914 return -EINVAL;
915 intlen /= sizeof(u32);
916
917 pr_debug(" intspec=%d intlen=%d\n", *intspec, intlen);
918
919 /* Get the reg property (if any) */
920 addr = of_get_property(device, "reg", NULL);
921
922 /* Look for the interrupt parent. */
923 p = of_irq_find_parent(device);
924 if (p == NULL)
925 return -EINVAL;
926
927 /* Get size of interrupt specifier */
928 tmp = of_get_property(p, "#interrupt-cells", NULL);
929 if (tmp == NULL) {
930 of_node_put(p);
931 return -EINVAL;
932 }
933 intsize = *tmp;
934
935 pr_debug(" intsize=%d intlen=%d\n", intsize, intlen);
936
937 /* Check index */
938 if ((index + 1) * intsize > intlen)
939 return -EINVAL;
940
941 /* Get new specifier and map it */
942 res = of_irq_map_raw(p, intspec + index * intsize, intsize,
943 addr, out_irq);
944 of_node_put(p);
945 return res;
946}
947EXPORT_SYMBOL_GPL(of_irq_map_one);
948
949/** 114/**
950 * Search the device tree for the best MAC address to use. 'mac-address' is 115 * Search the device tree for the best MAC address to use. 'mac-address' is
951 * checked first, because that is supposed to contain to "most recent" MAC 116 * checked first, because that is supposed to contain to "most recent" MAC
@@ -983,43 +148,3 @@ const void *of_get_mac_address(struct device_node *np)
983 return NULL; 148 return NULL;
984} 149}
985EXPORT_SYMBOL(of_get_mac_address); 150EXPORT_SYMBOL(of_get_mac_address);
986
987int of_irq_to_resource(struct device_node *dev, int index, struct resource *r)
988{
989 struct of_irq out_irq;
990 int irq;
991 int res;
992
993 res = of_irq_map_one(dev, index, &out_irq);
994
995 /* Get irq for the device */
996 if (res) {
997 pr_debug("IRQ not found... code = %d", res);
998 return NO_IRQ;
999 }
1000 /* Assuming single interrupt controller... */
1001 irq = out_irq.specifier[0];
1002
1003 pr_debug("IRQ found = %d", irq);
1004
1005 /* Only dereference the resource if both the
1006 * resource and the irq are valid. */
1007 if (r && irq != NO_IRQ) {
1008 r->start = r->end = irq;
1009 r->flags = IORESOURCE_IRQ;
1010 }
1011
1012 return irq;
1013}
1014EXPORT_SYMBOL_GPL(of_irq_to_resource);
1015
1016void __iomem *of_iomap(struct device_node *np, int index)
1017{
1018 struct resource res;
1019
1020 if (of_address_to_resource(np, index, &res))
1021 return NULL;
1022
1023 return ioremap(res.start, 1 + res.end - res.start);
1024}
1025EXPORT_SYMBOL(of_iomap);
diff --git a/arch/microblaze/kernel/ptrace.c b/arch/microblaze/kernel/ptrace.c
index a4a7770c6140..dc03ffc8174a 100644
--- a/arch/microblaze/kernel/ptrace.c
+++ b/arch/microblaze/kernel/ptrace.c
@@ -38,6 +38,8 @@
38#include <asm/processor.h> 38#include <asm/processor.h>
39#include <linux/uaccess.h> 39#include <linux/uaccess.h>
40#include <asm/asm-offsets.h> 40#include <asm/asm-offsets.h>
41#include <asm/cacheflush.h>
42#include <asm/io.h>
41 43
42/* Returns the address where the register at REG_OFFS in P is stashed away. */ 44/* Returns the address where the register at REG_OFFS in P is stashed away. */
43static microblaze_reg_t *reg_save_addr(unsigned reg_offs, 45static microblaze_reg_t *reg_save_addr(unsigned reg_offs,
@@ -101,8 +103,21 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
101 microblaze_reg_t *reg_addr = reg_save_addr(addr, child); 103 microblaze_reg_t *reg_addr = reg_save_addr(addr, child);
102 if (request == PTRACE_PEEKUSR) 104 if (request == PTRACE_PEEKUSR)
103 val = *reg_addr; 105 val = *reg_addr;
104 else 106 else {
107#if 1
105 *reg_addr = data; 108 *reg_addr = data;
109#else
110 /* MS potential problem on WB system
111 * Be aware that reg_addr is virtual address
112 * virt_to_phys conversion is necessary.
113 * This could be sensible solution.
114 */
115 u32 paddr = virt_to_phys((u32)reg_addr);
116 invalidate_icache_range(paddr, paddr + 4);
117 *reg_addr = data;
118 flush_dcache_range(paddr, paddr + 4);
119#endif
120 }
106 } else 121 } else
107 rval = -EIO; 122 rval = -EIO;
108 123
diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c
index a1721a33042e..bd8ccab5ceff 100644
--- a/arch/microblaze/kernel/reset.c
+++ b/arch/microblaze/kernel/reset.c
@@ -24,8 +24,8 @@ static int of_reset_gpio_handle(void)
24 int ret; /* variable which stored handle reset gpio pin */ 24 int ret; /* variable which stored handle reset gpio pin */
25 struct device_node *root; /* root node */ 25 struct device_node *root; /* root node */
26 struct device_node *gpio; /* gpio node */ 26 struct device_node *gpio; /* gpio node */
27 struct of_gpio_chip *of_gc = NULL; 27 struct gpio_chip *gc;
28 enum of_gpio_flags flags ; 28 u32 flags;
29 const void *gpio_spec; 29 const void *gpio_spec;
30 30
31 /* find out root node */ 31 /* find out root node */
@@ -39,19 +39,19 @@ static int of_reset_gpio_handle(void)
39 goto err0; 39 goto err0;
40 } 40 }
41 41
42 of_gc = gpio->data; 42 gc = of_node_to_gpiochip(gpio);
43 if (!of_gc) { 43 if (!gc) {
44 pr_debug("%s: gpio controller %s isn't registered\n", 44 pr_debug("%s: gpio controller %s isn't registered\n",
45 root->full_name, gpio->full_name); 45 root->full_name, gpio->full_name);
46 ret = -ENODEV; 46 ret = -ENODEV;
47 goto err1; 47 goto err1;
48 } 48 }
49 49
50 ret = of_gc->xlate(of_gc, root, gpio_spec, &flags); 50 ret = gc->of_xlate(gc, root, gpio_spec, &flags);
51 if (ret < 0) 51 if (ret < 0)
52 goto err1; 52 goto err1;
53 53
54 ret += of_gc->gc.base; 54 ret += gc->base;
55err1: 55err1:
56 of_node_put(gpio); 56 of_node_put(gpio);
57err0: 57err0:
diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c
index 17c98dbcec88..f5f768842354 100644
--- a/arch/microblaze/kernel/setup.c
+++ b/arch/microblaze/kernel/setup.c
@@ -213,15 +213,9 @@ static struct notifier_block dflt_plat_bus_notifier = {
213 .priority = INT_MAX, 213 .priority = INT_MAX,
214}; 214};
215 215
216static struct notifier_block dflt_of_bus_notifier = {
217 .notifier_call = dflt_bus_notify,
218 .priority = INT_MAX,
219};
220
221static int __init setup_bus_notifier(void) 216static int __init setup_bus_notifier(void)
222{ 217{
223 bus_register_notifier(&platform_bus_type, &dflt_plat_bus_notifier); 218 bus_register_notifier(&platform_bus_type, &dflt_plat_bus_notifier);
224 bus_register_notifier(&of_platform_bus_type, &dflt_of_bus_notifier);
225 219
226 return 0; 220 return 0;
227} 221}
diff --git a/arch/microblaze/kernel/stacktrace.c b/arch/microblaze/kernel/stacktrace.c
index 123692f22647..84bc6686102c 100644
--- a/arch/microblaze/kernel/stacktrace.c
+++ b/arch/microblaze/kernel/stacktrace.c
@@ -14,52 +14,18 @@
14#include <linux/thread_info.h> 14#include <linux/thread_info.h>
15#include <linux/ptrace.h> 15#include <linux/ptrace.h>
16#include <linux/module.h> 16#include <linux/module.h>
17#include <asm/unwind.h>
17 18
18/* FIXME initial support */
19void save_stack_trace(struct stack_trace *trace) 19void save_stack_trace(struct stack_trace *trace)
20{ 20{
21 unsigned long *sp; 21 /* Exclude our helper functions from the trace*/
22 unsigned long addr; 22 trace->skip += 2;
23 asm("addik %0, r1, 0" : "=r" (sp)); 23 microblaze_unwind(NULL, trace);
24
25 while (!kstack_end(sp)) {
26 addr = *sp++;
27 if (__kernel_text_address(addr)) {
28 if (trace->skip > 0)
29 trace->skip--;
30 else
31 trace->entries[trace->nr_entries++] = addr;
32
33 if (trace->nr_entries >= trace->max_entries)
34 break;
35 }
36 }
37} 24}
38EXPORT_SYMBOL_GPL(save_stack_trace); 25EXPORT_SYMBOL_GPL(save_stack_trace);
39 26
40void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace) 27void save_stack_trace_tsk(struct task_struct *tsk, struct stack_trace *trace)
41{ 28{
42 unsigned int *sp; 29 microblaze_unwind(tsk, trace);
43 unsigned long addr;
44
45 struct thread_info *ti = task_thread_info(tsk);
46
47 if (tsk == current)
48 asm("addik %0, r1, 0" : "=r" (sp));
49 else
50 sp = (unsigned int *)ti->cpu_context.r1;
51
52 while (!kstack_end(sp)) {
53 addr = *sp++;
54 if (__kernel_text_address(addr)) {
55 if (trace->skip > 0)
56 trace->skip--;
57 else
58 trace->entries[trace->nr_entries++] = addr;
59
60 if (trace->nr_entries >= trace->max_entries)
61 break;
62 }
63 }
64} 30}
65EXPORT_SYMBOL_GPL(save_stack_trace_tsk); 31EXPORT_SYMBOL_GPL(save_stack_trace_tsk);
diff --git a/arch/microblaze/kernel/sys_microblaze.c b/arch/microblaze/kernel/sys_microblaze.c
index f4e00b7f1259..6abab6ebedbe 100644
--- a/arch/microblaze/kernel/sys_microblaze.c
+++ b/arch/microblaze/kernel/sys_microblaze.c
@@ -47,7 +47,7 @@ asmlinkage long microblaze_clone(int flags, unsigned long stack, struct pt_regs
47 return do_fork(flags, stack, regs, 0, NULL, NULL); 47 return do_fork(flags, stack, regs, 0, NULL, NULL);
48} 48}
49 49
50asmlinkage long microblaze_execve(char __user *filenamei, char __user *__user *argv, 50asmlinkage long microblaze_execve(const char __user *filenamei, char __user *__user *argv,
51 char __user *__user *envp, struct pt_regs *regs) 51 char __user *__user *envp, struct pt_regs *regs)
52{ 52{
53 int error; 53 int error;
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index ed61b2f17719..b1380ae93ae1 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -28,6 +28,7 @@
28#include <asm/prom.h> 28#include <asm/prom.h>
29#include <asm/irq.h> 29#include <asm/irq.h>
30#include <asm/system.h> 30#include <asm/system.h>
31#include <linux/cnt32_to_63.h>
31 32
32#ifdef CONFIG_SELFMOD_TIMER 33#ifdef CONFIG_SELFMOD_TIMER
33#include <asm/selfmod.h> 34#include <asm/selfmod.h>
@@ -135,7 +136,7 @@ static void microblaze_timer_set_mode(enum clock_event_mode mode,
135static struct clock_event_device clockevent_microblaze_timer = { 136static struct clock_event_device clockevent_microblaze_timer = {
136 .name = "microblaze_clockevent", 137 .name = "microblaze_clockevent",
137 .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC, 138 .features = CLOCK_EVT_FEAT_ONESHOT | CLOCK_EVT_FEAT_PERIODIC,
138 .shift = 24, 139 .shift = 8,
139 .rating = 300, 140 .rating = 300,
140 .set_next_event = microblaze_timer_set_next_event, 141 .set_next_event = microblaze_timer_set_next_event,
141 .set_mode = microblaze_timer_set_mode, 142 .set_mode = microblaze_timer_set_mode,
@@ -195,7 +196,7 @@ static cycle_t microblaze_cc_read(const struct cyclecounter *cc)
195static struct cyclecounter microblaze_cc = { 196static struct cyclecounter microblaze_cc = {
196 .read = microblaze_cc_read, 197 .read = microblaze_cc_read,
197 .mask = CLOCKSOURCE_MASK(32), 198 .mask = CLOCKSOURCE_MASK(32),
198 .shift = 24, 199 .shift = 8,
199}; 200};
200 201
201int __init init_microblaze_timecounter(void) 202int __init init_microblaze_timecounter(void)
@@ -213,7 +214,7 @@ static struct clocksource clocksource_microblaze = {
213 .rating = 300, 214 .rating = 300,
214 .read = microblaze_read, 215 .read = microblaze_read,
215 .mask = CLOCKSOURCE_MASK(32), 216 .mask = CLOCKSOURCE_MASK(32),
216 .shift = 24, /* I can shift it */ 217 .shift = 8, /* I can shift it */
217 .flags = CLOCK_SOURCE_IS_CONTINUOUS, 218 .flags = CLOCK_SOURCE_IS_CONTINUOUS,
218}; 219};
219 220
@@ -235,6 +236,12 @@ static int __init microblaze_clocksource_init(void)
235 return 0; 236 return 0;
236} 237}
237 238
239/*
240 * We have to protect accesses before timer initialization
241 * and return 0 for sched_clock function below.
242 */
243static int timer_initialized;
244
238void __init time_init(void) 245void __init time_init(void)
239{ 246{
240 u32 irq, i = 0; 247 u32 irq, i = 0;
@@ -289,4 +296,15 @@ void __init time_init(void)
289#endif 296#endif
290 microblaze_clocksource_init(); 297 microblaze_clocksource_init();
291 microblaze_clockevent_init(); 298 microblaze_clockevent_init();
299 timer_initialized = 1;
300}
301
302unsigned long long notrace sched_clock(void)
303{
304 if (timer_initialized) {
305 struct clocksource *cs = &clocksource_microblaze;
306 cycle_t cyc = cnt32_to_63(cs->read(NULL));
307 return clocksource_cyc2ns(cyc, cs->mult, cs->shift);
308 }
309 return 0;
292} 310}
diff --git a/arch/microblaze/kernel/traps.c b/arch/microblaze/kernel/traps.c
index 75e49202a5ed..ba034d421ec2 100644
--- a/arch/microblaze/kernel/traps.c
+++ b/arch/microblaze/kernel/traps.c
@@ -16,13 +16,14 @@
16 16
17#include <asm/exceptions.h> 17#include <asm/exceptions.h>
18#include <asm/system.h> 18#include <asm/system.h>
19#include <asm/unwind.h>
19 20
20void trap_init(void) 21void trap_init(void)
21{ 22{
22 __enable_hw_exceptions(); 23 __enable_hw_exceptions();
23} 24}
24 25
25static unsigned long kstack_depth_to_print = 24; 26static unsigned long kstack_depth_to_print; /* 0 == entire stack */
26 27
27static int __init kstack_setup(char *s) 28static int __init kstack_setup(char *s)
28{ 29{
@@ -30,31 +31,47 @@ static int __init kstack_setup(char *s)
30} 31}
31__setup("kstack=", kstack_setup); 32__setup("kstack=", kstack_setup);
32 33
33void show_trace(struct task_struct *task, unsigned long *stack) 34void show_stack(struct task_struct *task, unsigned long *sp)
34{ 35{
35 unsigned long addr; 36 unsigned long words_to_show;
36 37 u32 fp = (u32) sp;
37 if (!stack) 38
38 stack = (unsigned long *)&stack; 39 if (fp == 0) {
40 if (task) {
41 fp = ((struct thread_info *)
42 (task->stack))->cpu_context.r1;
43 } else {
44 /* Pick up caller of dump_stack() */
45 fp = (u32)&sp - 8;
46 }
47 }
39 48
40 printk(KERN_NOTICE "Call Trace: "); 49 words_to_show = (THREAD_SIZE - (fp & (THREAD_SIZE - 1))) >> 2;
41#ifdef CONFIG_KALLSYMS 50 if (kstack_depth_to_print && (words_to_show > kstack_depth_to_print))
42 printk(KERN_NOTICE "\n"); 51 words_to_show = kstack_depth_to_print;
43#endif 52
44 while (!kstack_end(stack)) { 53 pr_info("Kernel Stack:\n");
45 addr = *stack++; 54
46 /* 55 /*
47 * If the address is either in the text segment of the 56 * Make the first line an 'odd' size if necessary to get
48 * kernel, or in the region which contains vmalloc'ed 57 * remaining lines to start at an address multiple of 0x10
49 * memory, it *may* be the address of a calling 58 */
50 * routine; if so, print it so that someone tracing 59 if (fp & 0xF) {
51 * down the cause of the crash will be able to figure 60 unsigned long line1_words = (0x10 - (fp & 0xF)) >> 2;
52 * out the call path that was taken. 61 if (line1_words < words_to_show) {
53 */ 62 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 32,
54 if (kernel_text_address(addr)) 63 4, (void *)fp, line1_words << 2, 0);
55 print_ip_sym(addr); 64 fp += line1_words << 2;
65 words_to_show -= line1_words;
66 }
56 } 67 }
57 printk(KERN_NOTICE "\n"); 68 print_hex_dump(KERN_INFO, "", DUMP_PREFIX_ADDRESS, 32, 4, (void *)fp,
69 words_to_show << 2, 0);
70 printk(KERN_INFO "\n\n");
71
72 pr_info("Call Trace:\n");
73 microblaze_unwind(task, NULL);
74 pr_info("\n");
58 75
59 if (!task) 76 if (!task)
60 task = current; 77 task = current;
@@ -62,34 +79,6 @@ void show_trace(struct task_struct *task, unsigned long *stack)
62 debug_show_held_locks(task); 79 debug_show_held_locks(task);
63} 80}
64 81
65void show_stack(struct task_struct *task, unsigned long *sp)
66{
67 unsigned long *stack;
68 int i;
69
70 if (sp == NULL) {
71 if (task)
72 sp = (unsigned long *) ((struct thread_info *)
73 (task->stack))->cpu_context.r1;
74 else
75 sp = (unsigned long *)&sp;
76 }
77
78 stack = sp;
79
80 printk(KERN_INFO "\nStack:\n ");
81
82 for (i = 0; i < kstack_depth_to_print; i++) {
83 if (kstack_end(sp))
84 break;
85 if (i && ((i % 8) == 0))
86 printk("\n ");
87 printk("%08lx ", *sp++);
88 }
89 printk("\n");
90 show_trace(task, stack);
91}
92
93void dump_stack(void) 82void dump_stack(void)
94{ 83{
95 show_stack(NULL, NULL); 84 show_stack(NULL, NULL);
diff --git a/arch/microblaze/kernel/unwind.c b/arch/microblaze/kernel/unwind.c
new file mode 100644
index 000000000000..fefac5c33586
--- /dev/null
+++ b/arch/microblaze/kernel/unwind.c
@@ -0,0 +1,318 @@
1/*
2 * Backtrace support for Microblaze
3 *
4 * Copyright (C) 2010 Digital Design Corporation
5 *
6 * Based on arch/sh/kernel/cpu/sh5/unwind.c code which is:
7 * Copyright (C) 2004 Paul Mundt
8 * Copyright (C) 2004 Richard Curnow
9 *
10 * This file is subject to the terms and conditions of the GNU General Public
11 * License. See the file "COPYING" in the main directory of this archive
12 * for more details.
13 */
14
15/* #define DEBUG 1 */
16#include <linux/kallsyms.h>
17#include <linux/kernel.h>
18#include <linux/sched.h>
19#include <linux/stacktrace.h>
20#include <linux/types.h>
21#include <linux/errno.h>
22#include <linux/module.h>
23#include <linux/io.h>
24#include <asm/sections.h>
25#include <asm/exceptions.h>
26#include <asm/unwind.h>
27
28struct stack_trace;
29
30/*
31 * On Microblaze, finding the previous stack frame is a little tricky.
32 * At this writing (3/2010), Microblaze does not support CONFIG_FRAME_POINTERS,
33 * and even if it did, gcc (4.1.2) does not store the frame pointer at
34 * a consistent offset within each frame. To determine frame size, it is
35 * necessary to search for the assembly instruction that creates or reclaims
36 * the frame and extract the size from it.
37 *
38 * Microblaze stores the stack pointer in r1, and creates a frame via
39 *
40 * addik r1, r1, -FRAME_SIZE
41 *
42 * The frame is reclaimed via
43 *
44 * addik r1, r1, FRAME_SIZE
45 *
46 * Frame creation occurs at or near the top of a function.
47 * Depending on the compiler, reclaim may occur at the end, or before
48 * a mid-function return.
49 *
50 * A stack frame is usually not created in a leaf function.
51 *
52 */
53
54/**
55 * get_frame_size - Extract the stack adjustment from an
56 * "addik r1, r1, adjust" instruction
57 * @instr : Microblaze instruction
58 *
59 * Return - Number of stack bytes the instruction reserves or reclaims
60 */
61inline long get_frame_size(unsigned long instr)
62{
63 return abs((s16)(instr & 0xFFFF));
64}
65
66/**
67 * find_frame_creation - Search backward to find the instruction that creates
68 * the stack frame (hopefully, for the same function the
69 * initial PC is in).
70 * @pc : Program counter at which to begin the search
71 *
72 * Return - PC at which stack frame creation occurs
73 * NULL if this cannot be found, i.e. a leaf function
74 */
75static unsigned long *find_frame_creation(unsigned long *pc)
76{
77 int i;
78
79 /* NOTE: Distance to search is arbitrary
80 * 250 works well for most things,
81 * 750 picks up things like tcp_recvmsg(),
82 * 1000 needed for fat_fill_super()
83 */
84 for (i = 0; i < 1000; i++, pc--) {
85 unsigned long instr;
86 s16 frame_size;
87
88 if (!kernel_text_address((unsigned long) pc))
89 return NULL;
90
91 instr = *pc;
92
93 /* addik r1, r1, foo ? */
94 if ((instr & 0xFFFF0000) != 0x30210000)
95 continue; /* No */
96
97 frame_size = get_frame_size(instr);
98 if ((frame_size < 8) || (frame_size & 3)) {
99 pr_debug(" Invalid frame size %d at 0x%p\n",
100 frame_size, pc);
101 return NULL;
102 }
103
104 pr_debug(" Found frame creation at 0x%p, size %d\n", pc,
105 frame_size);
106 return pc;
107 }
108
109 return NULL;
110}
111
112/**
113 * lookup_prev_stack_frame - Find the stack frame of the previous function.
114 * @fp : Frame (stack) pointer for current function
115 * @pc : Program counter within current function
116 * @leaf_return : r15 value within current function. If the current function
117 * is a leaf, this is the caller's return address.
118 * @pprev_fp : On exit, set to frame (stack) pointer for previous function
119 * @pprev_pc : On exit, set to current function caller's return address
120 *
121 * Return - 0 on success, -EINVAL if the previous frame cannot be found
122 */
123static int lookup_prev_stack_frame(unsigned long fp, unsigned long pc,
124 unsigned long leaf_return,
125 unsigned long *pprev_fp,
126 unsigned long *pprev_pc)
127{
128 unsigned long *prologue = NULL;
129
130 /* _switch_to is a special leaf function */
131 if (pc != (unsigned long) &_switch_to)
132 prologue = find_frame_creation((unsigned long *)pc);
133
134 if (prologue) {
135 long frame_size = get_frame_size(*prologue);
136
137 *pprev_fp = fp + frame_size;
138 *pprev_pc = *(unsigned long *)fp;
139 } else {
140 if (!leaf_return)
141 return -EINVAL;
142 *pprev_pc = leaf_return;
143 *pprev_fp = fp;
144 }
145
146 /* NOTE: don't check kernel_text_address here, to allow display
147 * of userland return address
148 */
149 return (!*pprev_pc || (*pprev_pc & 3)) ? -EINVAL : 0;
150}
151
152static void microblaze_unwind_inner(struct task_struct *task,
153 unsigned long pc, unsigned long fp,
154 unsigned long leaf_return,
155 struct stack_trace *trace);
156
157/**
158 * unwind_trap - Unwind through a system trap, that stored previous state
159 * on the stack.
160 */
161#ifdef CONFIG_MMU
162static inline void unwind_trap(struct task_struct *task, unsigned long pc,
163 unsigned long fp, struct stack_trace *trace)
164{
165 /* To be implemented */
166}
167#else
168static inline void unwind_trap(struct task_struct *task, unsigned long pc,
169 unsigned long fp, struct stack_trace *trace)
170{
171 const struct pt_regs *regs = (const struct pt_regs *) fp;
172 microblaze_unwind_inner(task, regs->pc, regs->r1, regs->r15, trace);
173}
174#endif
175
176/**
177 * microblaze_unwind_inner - Unwind the stack from the specified point
178 * @task : Task whose stack we are to unwind (may be NULL)
179 * @pc : Program counter from which we start unwinding
180 * @fp : Frame (stack) pointer from which we start unwinding
181 * @leaf_return : Value of r15 at pc. If the function is a leaf, this is
182 * the caller's return address.
183 * @trace : Where to store stack backtrace (PC values).
184 * NULL == print backtrace to kernel log
185 */
186void microblaze_unwind_inner(struct task_struct *task,
187 unsigned long pc, unsigned long fp,
188 unsigned long leaf_return,
189 struct stack_trace *trace)
190{
191 int ofs = 0;
192
193 pr_debug(" Unwinding with PC=%p, FP=%p\n", (void *)pc, (void *)fp);
194 if (!pc || !fp || (pc & 3) || (fp & 3)) {
195 pr_debug(" Invalid state for unwind, aborting\n");
196 return;
197 }
198 for (; pc != 0;) {
199 unsigned long next_fp, next_pc = 0;
200 unsigned long return_to = pc + 2 * sizeof(unsigned long);
201 const struct trap_handler_info *handler =
202 &microblaze_trap_handlers;
203
204 /* Is previous function the HW exception handler? */
205 if ((return_to >= (unsigned long)&_hw_exception_handler)
206 &&(return_to < (unsigned long)&ex_handler_unhandled)) {
207 /*
208 * HW exception handler doesn't save all registers,
209 * so we open-code a special case of unwind_trap()
210 */
211#ifndef CONFIG_MMU
212 const struct pt_regs *regs =
213 (const struct pt_regs *) fp;
214#endif
215 pr_info("HW EXCEPTION\n");
216#ifndef CONFIG_MMU
217 microblaze_unwind_inner(task, regs->r17 - 4,
218 fp + EX_HANDLER_STACK_SIZ,
219 regs->r15, trace);
220#endif
221 return;
222 }
223
224 /* Is previous function a trap handler? */
225 for (; handler->start_addr; ++handler) {
226 if ((return_to >= handler->start_addr)
227 && (return_to <= handler->end_addr)) {
228 if (!trace)
229 pr_info("%s\n", handler->trap_name);
230 unwind_trap(task, pc, fp, trace);
231 return;
232 }
233 }
234 pc -= ofs;
235
236 if (trace) {
237#ifdef CONFIG_STACKTRACE
238 if (trace->skip > 0)
239 trace->skip--;
240 else
241 trace->entries[trace->nr_entries++] = pc;
242
243 if (trace->nr_entries >= trace->max_entries)
244 break;
245#endif
246 } else {
247 /* Have we reached userland? */
248 if (unlikely(pc == task_pt_regs(task)->pc)) {
249 pr_info("[<%p>] PID %lu [%s]\n",
250 (void *) pc,
251 (unsigned long) task->pid,
252 task->comm);
253 break;
254 } else
255 print_ip_sym(pc);
256 }
257
258 /* Stop when we reach anything not part of the kernel */
259 if (!kernel_text_address(pc))
260 break;
261
262 if (lookup_prev_stack_frame(fp, pc, leaf_return, &next_fp,
263 &next_pc) == 0) {
264 ofs = sizeof(unsigned long);
265 pc = next_pc & ~3;
266 fp = next_fp;
267 leaf_return = 0;
268 } else {
269 pr_debug(" Failed to find previous stack frame\n");
270 break;
271 }
272
273 pr_debug(" Next PC=%p, next FP=%p\n",
274 (void *)next_pc, (void *)next_fp);
275 }
276}
277
278/**
279 * microblaze_unwind - Stack unwinder for Microblaze (external entry point)
280 * @task : Task whose stack we are to unwind (NULL == current)
281 * @trace : Where to store stack backtrace (PC values).
282 * NULL == print backtrace to kernel log
283 */
284void microblaze_unwind(struct task_struct *task, struct stack_trace *trace)
285{
286 if (task) {
287 if (task == current) {
288 const struct pt_regs *regs = task_pt_regs(task);
289 microblaze_unwind_inner(task, regs->pc, regs->r1,
290 regs->r15, trace);
291 } else {
292 struct thread_info *thread_info =
293 (struct thread_info *)(task->stack);
294 const struct cpu_context *cpu_context =
295 &thread_info->cpu_context;
296
297 microblaze_unwind_inner(task,
298 (unsigned long) &_switch_to,
299 cpu_context->r1,
300 cpu_context->r15, trace);
301 }
302 } else {
303 unsigned long pc, fp;
304
305 __asm__ __volatile__ ("or %0, r1, r0" : "=r" (fp));
306
307 __asm__ __volatile__ (
308 "brlid %0, 0f;"
309 "nop;"
310 "0:"
311 : "=r" (pc)
312 );
313
314 /* Since we are not a leaf function, use leaf_return = 0 */
315 microblaze_unwind_inner(current, pc, fp, 0, trace);
316 }
317}
318
diff --git a/arch/microblaze/kernel/vmlinux.lds.S b/arch/microblaze/kernel/vmlinux.lds.S
index db72d7124602..a09f2962fbec 100644
--- a/arch/microblaze/kernel/vmlinux.lds.S
+++ b/arch/microblaze/kernel/vmlinux.lds.S
@@ -10,7 +10,7 @@
10 10
11OUTPUT_FORMAT("elf32-microblaze", "elf32-microblaze", "elf32-microblaze") 11OUTPUT_FORMAT("elf32-microblaze", "elf32-microblaze", "elf32-microblaze")
12OUTPUT_ARCH(microblaze) 12OUTPUT_ARCH(microblaze)
13ENTRY(_start) 13ENTRY(microblaze_start)
14 14
15#include <asm/page.h> 15#include <asm/page.h>
16#include <asm-generic/vmlinux.lds.h> 16#include <asm-generic/vmlinux.lds.h>
@@ -20,7 +20,7 @@ jiffies = jiffies_64 + 4;
20 20
21SECTIONS { 21SECTIONS {
22 . = CONFIG_KERNEL_START; 22 . = CONFIG_KERNEL_START;
23 _start = CONFIG_KERNEL_BASE_ADDR; 23 microblaze_start = CONFIG_KERNEL_BASE_ADDR;
24 .text : AT(ADDR(.text) - LOAD_OFFSET) { 24 .text : AT(ADDR(.text) - LOAD_OFFSET) {
25 _text = . ; 25 _text = . ;
26 _stext = . ; 26 _stext = . ;
@@ -55,7 +55,7 @@ SECTIONS {
55 */ 55 */
56 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) { 56 .sdata2 : AT(ADDR(.sdata2) - LOAD_OFFSET) {
57 _ssrw = .; 57 _ssrw = .;
58 . = ALIGN(4096); /* page aligned when MMU used - origin 0x8 */ 58 . = ALIGN(PAGE_SIZE); /* page aligned when MMU used */
59 *(.sdata2) 59 *(.sdata2)
60 . = ALIGN(8); 60 . = ALIGN(8);
61 _essrw = .; 61 _essrw = .;
@@ -70,7 +70,7 @@ SECTIONS {
70 /* Reserve some low RAM for r0 based memory references */ 70 /* Reserve some low RAM for r0 based memory references */
71 . = ALIGN(0x4) ; 71 . = ALIGN(0x4) ;
72 r0_ram = . ; 72 r0_ram = . ;
73 . = . + 4096; /* a page should be enough */ 73 . = . + PAGE_SIZE; /* a page should be enough */
74 74
75 /* Under the microblaze ABI, .sdata and .sbss must be contiguous */ 75 /* Under the microblaze ABI, .sdata and .sbss must be contiguous */
76 . = ALIGN(8); 76 . = ALIGN(8);
@@ -120,7 +120,7 @@ SECTIONS {
120 120
121 __init_end_before_initramfs = .; 121 __init_end_before_initramfs = .;
122 122
123 .init.ramfs ALIGN(4096) : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { 123 .init.ramfs ALIGN(PAGE_SIZE) : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
124 __initramfs_start = .; 124 __initramfs_start = .;
125 *(.init.ramfs) 125 *(.init.ramfs)
126 __initramfs_end = .; 126 __initramfs_end = .;
@@ -132,11 +132,11 @@ SECTIONS {
132 * so that __init_end == __bss_start. This will make image.elf 132 * so that __init_end == __bss_start. This will make image.elf
133 * consistent with the image.bin 133 * consistent with the image.bin
134 */ 134 */
135 /* . = ALIGN(4096); */ 135 /* . = ALIGN(PAGE_SIZE); */
136 } 136 }
137 __init_end = .; 137 __init_end = .;
138 138
139 .bss ALIGN (4096) : AT(ADDR(.bss) - LOAD_OFFSET) { 139 .bss ALIGN (PAGE_SIZE) : AT(ADDR(.bss) - LOAD_OFFSET) {
140 /* page aligned when MMU used */ 140 /* page aligned when MMU used */
141 __bss_start = . ; 141 __bss_start = . ;
142 *(.bss*) 142 *(.bss*)
@@ -145,7 +145,7 @@ SECTIONS {
145 __bss_stop = . ; 145 __bss_stop = . ;
146 _ebss = . ; 146 _ebss = . ;
147 } 147 }
148 . = ALIGN(4096); 148 . = ALIGN(PAGE_SIZE);
149 _end = .; 149 _end = .;
150 150
151 DISCARDS 151 DISCARDS
diff --git a/arch/microblaze/mm/fault.c b/arch/microblaze/mm/fault.c
index bab922993185..57bd2a09610c 100644
--- a/arch/microblaze/mm/fault.c
+++ b/arch/microblaze/mm/fault.c
@@ -37,10 +37,6 @@
37#include <linux/uaccess.h> 37#include <linux/uaccess.h>
38#include <asm/exceptions.h> 38#include <asm/exceptions.h>
39 39
40#if defined(CONFIG_KGDB)
41int debugger_kernel_faults = 1;
42#endif
43
44static unsigned long pte_misses; /* updated by do_page_fault() */ 40static unsigned long pte_misses; /* updated by do_page_fault() */
45static unsigned long pte_errors; /* updated by do_page_fault() */ 41static unsigned long pte_errors; /* updated by do_page_fault() */
46 42
@@ -81,10 +77,6 @@ void bad_page_fault(struct pt_regs *regs, unsigned long address, int sig)
81 } 77 }
82 78
83 /* kernel has accessed a bad area */ 79 /* kernel has accessed a bad area */
84#if defined(CONFIG_KGDB)
85 if (debugger_kernel_faults)
86 debugger(regs);
87#endif
88 die("kernel access of bad area", regs, sig); 80 die("kernel access of bad area", regs, sig);
89} 81}
90 82
@@ -115,13 +107,6 @@ void do_page_fault(struct pt_regs *regs, unsigned long address,
115 if ((error_code & 0x13) == 0x13 || (error_code & 0x11) == 0x11) 107 if ((error_code & 0x13) == 0x13 || (error_code & 0x11) == 0x11)
116 is_write = 0; 108 is_write = 0;
117 109
118#if defined(CONFIG_KGDB)
119 if (debugger_fault_handler && regs->trap == 0x300) {
120 debugger_fault_handler(regs);
121 return;
122 }
123#endif /* CONFIG_KGDB */
124
125 if (unlikely(in_atomic() || !mm)) { 110 if (unlikely(in_atomic() || !mm)) {
126 if (kernel_mode(regs)) 111 if (kernel_mode(regs))
127 goto bad_area_nosemaphore; 112 goto bad_area_nosemaphore;
@@ -226,7 +211,6 @@ good_area:
226 * make sure we exit gracefully rather than endlessly redo 211 * make sure we exit gracefully rather than endlessly redo
227 * the fault. 212 * the fault.
228 */ 213 */
229survive:
230 fault = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0); 214 fault = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0);
231 if (unlikely(fault & VM_FAULT_ERROR)) { 215 if (unlikely(fault & VM_FAULT_ERROR)) {
232 if (fault & VM_FAULT_OOM) 216 if (fault & VM_FAULT_OOM)
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index db5934989926..65eb00419d19 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -134,13 +134,8 @@ void __init setup_memory(void)
134 * for 4GB of memory, using 4kB pages), plus 1 page 134 * for 4GB of memory, using 4kB pages), plus 1 page
135 * (in case the address isn't page-aligned). 135 * (in case the address isn't page-aligned).
136 */ 136 */
137#ifndef CONFIG_MMU 137 map_size = init_bootmem_node(NODE_DATA(0),
138 map_size = init_bootmem_node(NODE_DATA(0), PFN_UP(TOPHYS((u32)klimit)),
139 min_low_pfn, max_low_pfn);
140#else
141 map_size = init_bootmem_node(&contig_page_data,
142 PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn); 138 PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn);
143#endif
144 memblock_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size); 139 memblock_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size);
145 140
146 /* free bootmem is whole main memory */ 141 /* free bootmem is whole main memory */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-26 03:09:57 -0500