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-rw-r--r--arch/mips/kernel/Makefile6
-rw-r--r--arch/mips/kernel/early_printk.c2
-rw-r--r--arch/mips/kernel/gpio_txx9.c10
-rw-r--r--arch/mips/kernel/i8253.c2
-rw-r--r--arch/mips/kernel/irix5sys.S1041
-rw-r--r--arch/mips/kernel/irixelf.c1361
-rw-r--r--arch/mips/kernel/irixinv.c78
-rw-r--r--arch/mips/kernel/irixioctl.c213
-rw-r--r--arch/mips/kernel/irixsig.c888
-rw-r--r--arch/mips/kernel/irq-rm9000.c4
-rw-r--r--arch/mips/kernel/irq.c4
-rw-r--r--arch/mips/kernel/mips-mt.c11
-rw-r--r--arch/mips/kernel/process.c7
-rw-r--r--arch/mips/kernel/scall32-o32.S19
-rw-r--r--arch/mips/kernel/setup.c13
-rw-r--r--arch/mips/kernel/smp.c149
-rw-r--r--arch/mips/kernel/smtc.c1
-rw-r--r--arch/mips/kernel/stacktrace.c1
-rw-r--r--arch/mips/kernel/sysirix.c2140
-rw-r--r--arch/mips/kernel/traps.c14
20 files changed, 38 insertions, 5926 deletions
diff --git a/arch/mips/kernel/Makefile b/arch/mips/kernel/Makefile
index 65e46a6d4178..0fd31974ba28 100644
--- a/arch/mips/kernel/Makefile
+++ b/arch/mips/kernel/Makefile
@@ -20,9 +20,6 @@ obj-$(CONFIG_CSRC_R4K) += csrc-r4k.o
20obj-$(CONFIG_CSRC_SB1250) += csrc-sb1250.o 20obj-$(CONFIG_CSRC_SB1250) += csrc-sb1250.o
21obj-$(CONFIG_SYNC_R4K) += sync-r4k.o 21obj-$(CONFIG_SYNC_R4K) += sync-r4k.o
22 22
23binfmt_irix-objs := irixelf.o irixinv.o irixioctl.o irixsig.o \
24 irix5sys.o sysirix.o
25
26obj-$(CONFIG_STACKTRACE) += stacktrace.o 23obj-$(CONFIG_STACKTRACE) += stacktrace.o
27obj-$(CONFIG_MODULES) += mips_ksyms.o module.o 24obj-$(CONFIG_MODULES) += mips_ksyms.o module.o
28 25
@@ -63,14 +60,13 @@ obj-$(CONFIG_I8259) += i8259.o
63obj-$(CONFIG_IRQ_CPU) += irq_cpu.o 60obj-$(CONFIG_IRQ_CPU) += irq_cpu.o
64obj-$(CONFIG_IRQ_CPU_RM7K) += irq-rm7000.o 61obj-$(CONFIG_IRQ_CPU_RM7K) += irq-rm7000.o
65obj-$(CONFIG_IRQ_CPU_RM9K) += irq-rm9000.o 62obj-$(CONFIG_IRQ_CPU_RM9K) += irq-rm9000.o
66obj-$(CONFIG_MIPS_BOARDS_GEN) += irq-msc01.o 63obj-$(CONFIG_MIPS_MSC) += irq-msc01.o
67obj-$(CONFIG_IRQ_TXX9) += irq_txx9.o 64obj-$(CONFIG_IRQ_TXX9) += irq_txx9.o
68obj-$(CONFIG_IRQ_GT641XX) += irq-gt641xx.o 65obj-$(CONFIG_IRQ_GT641XX) += irq-gt641xx.o
69obj-$(CONFIG_IRQ_GIC) += irq-gic.o 66obj-$(CONFIG_IRQ_GIC) += irq-gic.o
70 67
71obj-$(CONFIG_32BIT) += scall32-o32.o 68obj-$(CONFIG_32BIT) += scall32-o32.o
72obj-$(CONFIG_64BIT) += scall64-64.o 69obj-$(CONFIG_64BIT) += scall64-64.o
73obj-$(CONFIG_BINFMT_IRIX) += binfmt_irix.o
74obj-$(CONFIG_MIPS32_COMPAT) += linux32.o ptrace32.o signal32.o 70obj-$(CONFIG_MIPS32_COMPAT) += linux32.o ptrace32.o signal32.o
75obj-$(CONFIG_MIPS32_N32) += binfmt_elfn32.o scall64-n32.o signal_n32.o 71obj-$(CONFIG_MIPS32_N32) += binfmt_elfn32.o scall64-n32.o signal_n32.o
76obj-$(CONFIG_MIPS32_O32) += binfmt_elfo32.o scall64-o32.o 72obj-$(CONFIG_MIPS32_O32) += binfmt_elfo32.o scall64-o32.o
diff --git a/arch/mips/kernel/early_printk.c b/arch/mips/kernel/early_printk.c
index 9dccfa4752b2..9ae813eb782e 100644
--- a/arch/mips/kernel/early_printk.c
+++ b/arch/mips/kernel/early_printk.c
@@ -10,6 +10,8 @@
10#include <linux/console.h> 10#include <linux/console.h>
11#include <linux/init.h> 11#include <linux/init.h>
12 12
13#include <asm/setup.h>
14
13extern void prom_putchar(char); 15extern void prom_putchar(char);
14 16
15static void __init 17static void __init
diff --git a/arch/mips/kernel/gpio_txx9.c b/arch/mips/kernel/gpio_txx9.c
index b1436a857998..c6854d9df926 100644
--- a/arch/mips/kernel/gpio_txx9.c
+++ b/arch/mips/kernel/gpio_txx9.c
@@ -47,23 +47,25 @@ static void txx9_gpio_set(struct gpio_chip *chip, unsigned int offset,
47 47
48static int txx9_gpio_dir_in(struct gpio_chip *chip, unsigned int offset) 48static int txx9_gpio_dir_in(struct gpio_chip *chip, unsigned int offset)
49{ 49{
50 spin_lock_irq(&txx9_gpio_lock); 50 unsigned long flags;
51 spin_lock_irqsave(&txx9_gpio_lock, flags);
51 __raw_writel(__raw_readl(&txx9_pioptr->dir) & ~(1 << offset), 52 __raw_writel(__raw_readl(&txx9_pioptr->dir) & ~(1 << offset),
52 &txx9_pioptr->dir); 53 &txx9_pioptr->dir);
53 mmiowb(); 54 mmiowb();
54 spin_unlock_irq(&txx9_gpio_lock); 55 spin_unlock_irqrestore(&txx9_gpio_lock, flags);
55 return 0; 56 return 0;
56} 57}
57 58
58static int txx9_gpio_dir_out(struct gpio_chip *chip, unsigned int offset, 59static int txx9_gpio_dir_out(struct gpio_chip *chip, unsigned int offset,
59 int value) 60 int value)
60{ 61{
61 spin_lock_irq(&txx9_gpio_lock); 62 unsigned long flags;
63 spin_lock_irqsave(&txx9_gpio_lock, flags);
62 txx9_gpio_set_raw(offset, value); 64 txx9_gpio_set_raw(offset, value);
63 __raw_writel(__raw_readl(&txx9_pioptr->dir) | (1 << offset), 65 __raw_writel(__raw_readl(&txx9_pioptr->dir) | (1 << offset),
64 &txx9_pioptr->dir); 66 &txx9_pioptr->dir);
65 mmiowb(); 67 mmiowb();
66 spin_unlock_irq(&txx9_gpio_lock); 68 spin_unlock_irqrestore(&txx9_gpio_lock, flags);
67 return 0; 69 return 0;
68} 70}
69 71
diff --git a/arch/mips/kernel/i8253.c b/arch/mips/kernel/i8253.c
index 38fa1a194bf4..b6ac55162b9a 100644
--- a/arch/mips/kernel/i8253.c
+++ b/arch/mips/kernel/i8253.c
@@ -80,7 +80,7 @@ static int pit_next_event(unsigned long delta, struct clock_event_device *evt)
80 * registered. This mechanism replaces the previous #ifdef LOCAL_APIC - 80 * registered. This mechanism replaces the previous #ifdef LOCAL_APIC -
81 * !using_apic_timer decisions in do_timer_interrupt_hook() 81 * !using_apic_timer decisions in do_timer_interrupt_hook()
82 */ 82 */
83struct clock_event_device pit_clockevent = { 83static struct clock_event_device pit_clockevent = {
84 .name = "pit", 84 .name = "pit",
85 .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT, 85 .features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT,
86 .set_mode = init_pit_timer, 86 .set_mode = init_pit_timer,
diff --git a/arch/mips/kernel/irix5sys.S b/arch/mips/kernel/irix5sys.S
deleted file mode 100644
index eeef891093ed..000000000000
--- a/arch/mips/kernel/irix5sys.S
+++ /dev/null
@@ -1,1041 +0,0 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * 32-bit IRIX5 ABI system call table derived from original file 'irix5sys.h'
7 * created by David S. Miller.
8 *
9 * Copyright (C) 1996 - 2004 David S. Miller <dm@engr.sgi.com>
10 * Copyright (C) 2004 Steven J. Hill <sjhill@realitydiluted.com>
11 */
12#include <asm/asm.h>
13
14 /*
15 * Key:
16 * V == Valid and should work as expected for most cases.
17 * HV == Half Valid, some things will work, some likely will not
18 * IV == InValid, certainly will not work at all yet
19 * ?V == ?'ably Valid, I have not done enough looking into it
20 * DC == Don't Care, a rats ass we couldn't give
21 */
22
23 .macro irix5syscalltable
24
25 sys sys_syscall 0 /* 1000 sysindir() V*/
26 sys sys_exit 1 /* 1001 exit() V*/
27 sys sys_fork 0 /* 1002 fork() V*/
28 sys sys_read 3 /* 1003 read() V*/
29 sys sys_write 3 /* 1004 write() V*/
30 sys sys_open 3 /* 1005 open() V*/
31 sys sys_close 1 /* 1006 close() V*/
32 sys irix_unimp 0 /* 1007 (XXX IRIX 4 wait) V*/
33 sys sys_creat 2 /* 1008 creat() V*/
34 sys sys_link 2 /* 1009 link() V*/
35 sys sys_unlink 1 /* 1010 unlink() V*/
36 sys irix_exec 0 /* 1011 exec() V*/
37 sys sys_chdir 1 /* 1012 chdir() V*/
38 sys irix_gtime 0 /* 1013 time() V*/
39 sys irix_unimp 0 /* 1014 (XXX IRIX 4 mknod) V*/
40 sys sys_chmod 2 /* 1015 chmod() V*/
41 sys sys_chown 3 /* 1016 chown() V*/
42 sys irix_brk 1 /* 1017 break() V*/
43 sys irix_unimp 0 /* 1018 (XXX IRIX 4 stat) V*/
44 sys sys_lseek 3 /* 1019 lseek() XXX64bit HV*/
45 sys irix_getpid 0 /* 1020 getpid() V*/
46 sys irix_mount 6 /* 1021 mount() IV*/
47 sys sys_umount 1 /* 1022 umount() V*/
48 sys sys_setuid 1 /* 1023 setuid() V*/
49 sys irix_getuid 0 /* 1024 getuid() V*/
50 sys irix_stime 1 /* 1025 stime() V*/
51 sys irix_unimp 4 /* 1026 XXX ptrace() IV*/
52 sys irix_alarm 1 /* 1027 alarm() V*/
53 sys irix_unimp 0 /* 1028 (XXX IRIX 4 fstat) V*/
54 sys irix_pause 0 /* 1029 pause() V*/
55 sys sys_utime 2 /* 1030 utime() V*/
56 sys irix_unimp 0 /* 1031 nuthin' V*/
57 sys irix_unimp 0 /* 1032 nobody home man... V*/
58 sys sys_access 2 /* 1033 access() V*/
59 sys sys_nice 1 /* 1034 nice() V*/
60 sys irix_statfs 2 /* 1035 statfs() V*/
61 sys sys_sync 0 /* 1036 sync() V*/
62 sys sys_kill 2 /* 1037 kill() V*/
63 sys irix_fstatfs 2 /* 1038 fstatfs() V*/
64 sys irix_setpgrp 1 /* 1039 setpgrp() V*/
65 sys irix_syssgi 0 /* 1040 syssgi() HV*/
66 sys sys_dup 1 /* 1041 dup() V*/
67 sys sys_pipe 0 /* 1042 pipe() V*/
68 sys irix_times 1 /* 1043 times() V*/
69 sys irix_unimp 0 /* 1044 XXX profil() IV*/
70 sys irix_unimp 0 /* 1045 XXX lock() IV*/
71 sys sys_setgid 1 /* 1046 setgid() V*/
72 sys irix_getgid 0 /* 1047 getgid() V*/
73 sys irix_unimp 0 /* 1048 (XXX IRIX 4 ssig) V*/
74 sys irix_msgsys 6 /* 1049 sys_msgsys V*/
75 sys sys_sysmips 4 /* 1050 sysmips() HV*/
76 sys irix_unimp 0 /* 1051 XXX sysacct() IV*/
77 sys irix_shmsys 5 /* 1052 sys_shmsys V*/
78 sys irix_semsys 0 /* 1053 sys_semsys V*/
79 sys irix_ioctl 3 /* 1054 ioctl() HV*/
80 sys irix_uadmin 0 /* 1055 XXX sys_uadmin() HC*/
81 sys irix_sysmp 0 /* 1056 sysmp() HV*/
82 sys irix_utssys 4 /* 1057 sys_utssys() HV*/
83 sys irix_unimp 0 /* 1058 nada enchilada V*/
84 sys irix_exece 0 /* 1059 exece() V*/
85 sys sys_umask 1 /* 1060 umask() V*/
86 sys sys_chroot 1 /* 1061 chroot() V*/
87 sys irix_fcntl 3 /* 1062 fcntl() ?V*/
88 sys irix_ulimit 2 /* 1063 ulimit() HV*/
89 sys irix_unimp 0 /* 1064 XXX AFS shit DC*/
90 sys irix_unimp 0 /* 1065 XXX AFS shit DC*/
91 sys irix_unimp 0 /* 1066 XXX AFS shit DC*/
92 sys irix_unimp 0 /* 1067 XXX AFS shit DC*/
93 sys irix_unimp 0 /* 1068 XXX AFS shit DC*/
94 sys irix_unimp 0 /* 1069 XXX AFS shit DC*/
95 sys irix_unimp 0 /* 1070 XXX AFS shit DC*/
96 sys irix_unimp 0 /* 1071 XXX AFS shit DC*/
97 sys irix_unimp 0 /* 1072 XXX AFS shit DC*/
98 sys irix_unimp 0 /* 1073 XXX AFS shit DC*/
99 sys irix_unimp 0 /* 1074 nuttin' V*/
100 sys irix_unimp 0 /* 1075 XXX sys_getrlimit64()IV*/
101 sys irix_unimp 0 /* 1076 XXX sys_setrlimit64()IV*/
102 sys sys_nanosleep 2 /* 1077 nanosleep() V*/
103 sys irix_lseek64 5 /* 1078 lseek64() ?V*/
104 sys sys_rmdir 1 /* 1079 rmdir() V*/
105 sys sys_mkdir 2 /* 1080 mkdir() V*/
106 sys sys_getdents 3 /* 1081 getdents() V*/
107 sys irix_sginap 1 /* 1082 sys_sginap() V*/
108 sys irix_sgikopt 3 /* 1083 sys_sgikopt() DC*/
109 sys sys_sysfs 3 /* 1084 sysfs() ?V*/
110 sys irix_unimp 0 /* 1085 XXX sys_getmsg() DC*/
111 sys irix_unimp 0 /* 1086 XXX sys_putmsg() DC*/
112 sys sys_poll 3 /* 1087 poll() V*/
113 sys irix_sigreturn 0 /* 1088 sigreturn() ?V*/
114 sys sys_accept 3 /* 1089 accept() V*/
115 sys sys_bind 3 /* 1090 bind() V*/
116 sys sys_connect 3 /* 1091 connect() V*/
117 sys irix_gethostid 0 /* 1092 sys_gethostid() ?V*/
118 sys sys_getpeername 3 /* 1093 getpeername() V*/
119 sys sys_getsockname 3 /* 1094 getsockname() V*/
120 sys sys_getsockopt 5 /* 1095 getsockopt() V*/
121 sys sys_listen 2 /* 1096 listen() V*/
122 sys sys_recv 4 /* 1097 recv() V*/
123 sys sys_recvfrom 6 /* 1098 recvfrom() V*/
124 sys sys_recvmsg 3 /* 1099 recvmsg() V*/
125 sys sys_select 5 /* 1100 select() V*/
126 sys sys_send 4 /* 1101 send() V*/
127 sys sys_sendmsg 3 /* 1102 sendmsg() V*/
128 sys sys_sendto 6 /* 1103 sendto() V*/
129 sys irix_sethostid 1 /* 1104 sys_sethostid() ?V*/
130 sys sys_setsockopt 5 /* 1105 setsockopt() V*/
131 sys sys_shutdown 2 /* 1106 shutdown() ?V*/
132 sys irix_socket 3 /* 1107 socket() V*/
133 sys sys_gethostname 2 /* 1108 sys_gethostname() ?V*/
134 sys sys_sethostname 2 /* 1109 sethostname() ?V*/
135 sys irix_getdomainname 2 /* 1110 sys_getdomainname() ?V*/
136 sys sys_setdomainname 2 /* 1111 setdomainname() ?V*/
137 sys sys_truncate 2 /* 1112 truncate() V*/
138 sys sys_ftruncate 2 /* 1113 ftruncate() V*/
139 sys sys_rename 2 /* 1114 rename() V*/
140 sys sys_symlink 2 /* 1115 symlink() V*/
141 sys sys_readlink 3 /* 1116 readlink() V*/
142 sys irix_unimp 0 /* 1117 XXX IRIX 4 lstat() DC*/
143 sys irix_unimp 0 /* 1118 nothin' V*/
144 sys irix_unimp 0 /* 1119 XXX nfs_svc() DC*/
145 sys irix_unimp 0 /* 1120 XXX nfs_getfh() DC*/
146 sys irix_unimp 0 /* 1121 XXX async_daemon() DC*/
147 sys irix_unimp 0 /* 1122 XXX exportfs() DC*/
148 sys sys_setregid 2 /* 1123 setregid() V*/
149 sys sys_setreuid 2 /* 1124 setreuid() V*/
150 sys sys_getitimer 2 /* 1125 getitimer() V*/
151 sys sys_setitimer 3 /* 1126 setitimer() V*/
152 sys irix_unimp 1 /* 1127 XXX adjtime() IV*/
153 sys irix_gettimeofday 1 /* 1128 gettimeofday() V*/
154 sys irix_unimp 0 /* 1129 XXX sproc() IV*/
155 sys irix_prctl 0 /* 1130 prctl() HV*/
156 sys irix_unimp 0 /* 1131 XXX procblk() IV*/
157 sys irix_unimp 0 /* 1132 XXX sprocsp() IV*/
158 sys irix_unimp 0 /* 1133 XXX sgigsc() IV*/
159 sys irix_mmap32 6 /* 1134 mmap() XXXflags? ?V*/
160 sys sys_munmap 2 /* 1135 munmap() V*/
161 sys sys_mprotect 3 /* 1136 mprotect() V*/
162 sys sys_msync 4 /* 1137 msync() V*/
163 sys irix_madvise 3 /* 1138 madvise() DC*/
164 sys irix_pagelock 3 /* 1139 pagelock() IV*/
165 sys irix_getpagesize 0 /* 1140 getpagesize() V*/
166 sys irix_quotactl 0 /* 1141 quotactl() V*/
167 sys irix_unimp 0 /* 1142 nobody home man V*/
168 sys sys_getpgid 1 /* 1143 BSD getpgrp() V*/
169 sys irix_BSDsetpgrp 2 /* 1143 BSD setpgrp() V*/
170 sys sys_vhangup 0 /* 1144 vhangup() V*/
171 sys sys_fsync 1 /* 1145 fsync() V*/
172 sys sys_fchdir 1 /* 1146 fchdir() V*/
173 sys sys_getrlimit 2 /* 1147 getrlimit() ?V*/
174 sys sys_setrlimit 2 /* 1148 setrlimit() ?V*/
175 sys sys_cacheflush 3 /* 1150 cacheflush() HV*/
176 sys sys_cachectl 3 /* 1151 cachectl() HV*/
177 sys sys_fchown 3 /* 1152 fchown() ?V*/
178 sys sys_fchmod 2 /* 1153 fchmod() ?V*/
179 sys irix_unimp 0 /* 1154 XXX IRIX 4 wait3() V*/
180 sys sys_socketpair 4 /* 1155 socketpair() V*/
181 sys irix_systeminfo 3 /* 1156 systeminfo() IV*/
182 sys irix_uname 1 /* 1157 uname() IV*/
183 sys irix_xstat 3 /* 1158 xstat() V*/
184 sys irix_lxstat 3 /* 1159 lxstat() V*/
185 sys irix_fxstat 3 /* 1160 fxstat() V*/
186 sys irix_xmknod 0 /* 1161 xmknod() ?V*/
187 sys irix_sigaction 4 /* 1162 sigaction() ?V*/
188 sys irix_sigpending 1 /* 1163 sigpending() ?V*/
189 sys irix_sigprocmask 3 /* 1164 sigprocmask() ?V*/
190 sys irix_sigsuspend 0 /* 1165 sigsuspend() ?V*/
191 sys irix_sigpoll_sys 3 /* 1166 sigpoll_sys() IV*/
192 sys irix_swapctl 2 /* 1167 swapctl() IV*/
193 sys irix_getcontext 0 /* 1168 getcontext() HV*/
194 sys irix_setcontext 0 /* 1169 setcontext() HV*/
195 sys irix_waitsys 5 /* 1170 waitsys() IV*/
196 sys irix_sigstack 2 /* 1171 sigstack() HV*/
197 sys irix_sigaltstack 2 /* 1172 sigaltstack() HV*/
198 sys irix_sigsendset 2 /* 1173 sigsendset() IV*/
199 sys irix_statvfs 2 /* 1174 statvfs() V*/
200 sys irix_fstatvfs 2 /* 1175 fstatvfs() V*/
201 sys irix_unimp 0 /* 1176 XXX getpmsg() DC*/
202 sys irix_unimp 0 /* 1177 XXX putpmsg() DC*/
203 sys sys_lchown 3 /* 1178 lchown() V*/
204 sys irix_priocntl 0 /* 1179 priocntl() DC*/
205 sys irix_sigqueue 4 /* 1180 sigqueue() IV*/
206 sys sys_readv 3 /* 1181 readv() V*/
207 sys sys_writev 3 /* 1182 writev() V*/
208 sys irix_truncate64 4 /* 1183 truncate64() XX32bit HV*/
209 sys irix_ftruncate64 4 /* 1184 ftruncate64()XX32bit HV*/
210 sys irix_mmap64 0 /* 1185 mmap64() XX32bit HV*/
211 sys irix_dmi 0 /* 1186 dmi() DC*/
212 sys irix_pread 6 /* 1187 pread() IV*/
213 sys irix_pwrite 6 /* 1188 pwrite() IV*/
214 sys sys_fsync 1 /* 1189 fdatasync() XXPOSIX HV*/
215 sys irix_sgifastpath 7 /* 1190 sgifastpath() WHEEE IV*/
216 sys irix_unimp 0 /* 1191 XXX attr_get() DC*/
217 sys irix_unimp 0 /* 1192 XXX attr_getf() DC*/
218 sys irix_unimp 0 /* 1193 XXX attr_set() DC*/
219 sys irix_unimp 0 /* 1194 XXX attr_setf() DC*/
220 sys irix_unimp 0 /* 1195 XXX attr_remove() DC*/
221 sys irix_unimp 0 /* 1196 XXX attr_removef() DC*/
222 sys irix_unimp 0 /* 1197 XXX attr_list() DC*/
223 sys irix_unimp 0 /* 1198 XXX attr_listf() DC*/
224 sys irix_unimp 0 /* 1199 XXX attr_multi() DC*/
225 sys irix_unimp 0 /* 1200 XXX attr_multif() DC*/
226 sys irix_statvfs64 2 /* 1201 statvfs64() V*/
227 sys irix_fstatvfs64 2 /* 1202 fstatvfs64() V*/
228 sys irix_getmountid 2 /* 1203 getmountid()XXXfsids HV*/
229 sys irix_nsproc 5 /* 1204 nsproc() IV*/
230 sys irix_getdents64 3 /* 1205 getdents64() HV*/
231 sys irix_unimp 0 /* 1206 XXX DFS garbage DC*/
232 sys irix_ngetdents 4 /* 1207 ngetdents() XXXeop HV*/
233 sys irix_ngetdents64 4 /* 1208 ngetdents64() XXXeop HV*/
234 sys irix_unimp 0 /* 1209 nothin' V*/
235 sys irix_unimp 0 /* 1210 XXX pidsprocsp() */
236 sys irix_unimp 0 /* 1211 XXX rexec() */
237 sys irix_unimp 0 /* 1212 XXX timer_create() */
238 sys irix_unimp 0 /* 1213 XXX timer_delete() */
239 sys irix_unimp 0 /* 1214 XXX timer_settime() */
240 sys irix_unimp 0 /* 1215 XXX timer_gettime() */
241 sys irix_unimp 0 /* 1216 XXX timer_setoverrun() */
242 sys sys_sched_rr_get_interval 2 /* 1217 sched_rr_get_interval()V*/
243 sys sys_sched_yield 0 /* 1218 sched_yield() V*/
244 sys sys_sched_getscheduler 1 /* 1219 sched_getscheduler() V*/
245 sys sys_sched_setscheduler 3 /* 1220 sched_setscheduler() V*/
246 sys sys_sched_getparam 2 /* 1221 sched_getparam() V*/
247 sys sys_sched_setparam 2 /* 1222 sched_setparam() V*/
248 sys irix_unimp 0 /* 1223 XXX usync_cntl() */
249 sys irix_unimp 0 /* 1224 XXX psema_cntl() */
250 sys irix_unimp 0 /* 1225 XXX restartreturn() */
251
252 /* Just to pad things out nicely. */
253 sys irix_unimp 0
254 sys irix_unimp 0
255 sys irix_unimp 0
256 sys irix_unimp 0
257 sys irix_unimp 0
258 sys irix_unimp 0
259 sys irix_unimp 0
260 sys irix_unimp 0
261 sys irix_unimp 0
262 sys irix_unimp 0
263 sys irix_unimp 0
264 sys irix_unimp 0
265 sys irix_unimp 0
266 sys irix_unimp 0
267 sys irix_unimp 0
268 sys irix_unimp 0
269 sys irix_unimp 0
270 sys irix_unimp 0
271 sys irix_unimp 0
272 sys irix_unimp 0
273 sys irix_unimp 0
274 sys irix_unimp 0
275 sys irix_unimp 0
276 sys irix_unimp 0
277 sys irix_unimp 0
278 sys irix_unimp 0
279 sys irix_unimp 0
280 sys irix_unimp 0
281 sys irix_unimp 0
282 sys irix_unimp 0
283 sys irix_unimp 0
284 sys irix_unimp 0
285 sys irix_unimp 0
286 sys irix_unimp 0
287 sys irix_unimp 0
288 sys irix_unimp 0
289 sys irix_unimp 0
290 sys irix_unimp 0
291 sys irix_unimp 0
292 sys irix_unimp 0
293 sys irix_unimp 0
294 sys irix_unimp 0
295 sys irix_unimp 0
296 sys irix_unimp 0
297 sys irix_unimp 0
298 sys irix_unimp 0
299 sys irix_unimp 0
300 sys irix_unimp 0
301 sys irix_unimp 0
302 sys irix_unimp 0
303 sys irix_unimp 0
304 sys irix_unimp 0
305 sys irix_unimp 0
306 sys irix_unimp 0
307 sys irix_unimp 0
308 sys irix_unimp 0
309 sys irix_unimp 0
310 sys irix_unimp 0
311 sys irix_unimp 0
312 sys irix_unimp 0
313 sys irix_unimp 0
314 sys irix_unimp 0
315 sys irix_unimp 0
316 sys irix_unimp 0
317 sys irix_unimp 0
318 sys irix_unimp 0
319 sys irix_unimp 0
320 sys irix_unimp 0
321 sys irix_unimp 0
322 sys irix_unimp 0
323 sys irix_unimp 0
324 sys irix_unimp 0
325 sys irix_unimp 0
326 sys irix_unimp 0
327 sys irix_unimp 0
328 sys irix_unimp 0
329 sys irix_unimp 0
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937 sys irix_unimp 0
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940 sys irix_unimp 0
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950 sys irix_unimp 0
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958 sys irix_unimp 0
959 sys irix_unimp 0
960 sys irix_unimp 0
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962 sys irix_unimp 0
963 sys irix_unimp 0
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967 sys irix_unimp 0
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969 sys irix_unimp 0
970 sys irix_unimp 0
971 sys irix_unimp 0
972 sys irix_unimp 0
973 sys irix_unimp 0
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978 sys irix_unimp 0
979 sys irix_unimp 0
980 sys irix_unimp 0
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982 sys irix_unimp 0
983 sys irix_unimp 0
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986 sys irix_unimp 0
987 sys irix_unimp 0
988 sys irix_unimp 0
989 sys irix_unimp 0
990 sys irix_unimp 0
991 sys irix_unimp 0
992 sys irix_unimp 0
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994 sys irix_unimp 0
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996 sys irix_unimp 0
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998 sys irix_unimp 0
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1000 sys irix_unimp 0
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1003 sys irix_unimp 0
1004 sys irix_unimp 0
1005 sys irix_unimp 0
1006 sys irix_unimp 0
1007 sys irix_unimp 0
1008 sys irix_unimp 0
1009 sys irix_unimp 0
1010 sys irix_unimp 0
1011 sys irix_unimp 0
1012 sys irix_unimp 0
1013 sys irix_unimp 0
1014 sys irix_unimp 0
1015 sys irix_unimp 0
1016 sys irix_unimp 0
1017 sys irix_unimp 0
1018 sys irix_unimp 0
1019 sys irix_unimp 0
1020 sys irix_unimp 0
1021 sys irix_unimp 0
1022 sys irix_unimp 0
1023 sys irix_unimp 0
1024 sys irix_unimp 0
1025 sys irix_unimp 0
1026 sys irix_unimp 0
1027
1028 .endm
1029
1030 /*
1031 * Pre-compute the number of _instruction_ bytes needed to load
1032 * or store the arguments 6-8. Negative values are ignored.
1033 */
1034 .macro sys function, nargs
1035 PTR \function
1036 LONG (\nargs << 2) - (5 << 2)
1037 .endm
1038
1039 .align 4
1040EXPORT(sys_call_table_irix5)
1041 irix5syscalltable
diff --git a/arch/mips/kernel/irixelf.c b/arch/mips/kernel/irixelf.c
deleted file mode 100644
index 469c7237e5ba..000000000000
--- a/arch/mips/kernel/irixelf.c
+++ /dev/null
@@ -1,1361 +0,0 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * irixelf.c: Code to load IRIX ELF executables conforming to the MIPS ABI.
7 * Based off of work by Eric Youngdale.
8 *
9 * Copyright (C) 1993 - 1994 Eric Youngdale <ericy@cais.com>
10 * Copyright (C) 1996 - 2004 David S. Miller <dm@engr.sgi.com>
11 * Copyright (C) 2004 - 2005 Steven J. Hill <sjhill@realitydiluted.com>
12 */
13#undef DEBUG
14
15#include <linux/module.h>
16#include <linux/fs.h>
17#include <linux/stat.h>
18#include <linux/sched.h>
19#include <linux/mm.h>
20#include <linux/mman.h>
21#include <linux/a.out.h>
22#include <linux/errno.h>
23#include <linux/init.h>
24#include <linux/signal.h>
25#include <linux/binfmts.h>
26#include <linux/string.h>
27#include <linux/file.h>
28#include <linux/fcntl.h>
29#include <linux/ptrace.h>
30#include <linux/slab.h>
31#include <linux/shm.h>
32#include <linux/personality.h>
33#include <linux/elfcore.h>
34
35#include <asm/mipsregs.h>
36#include <asm/namei.h>
37#include <asm/prctl.h>
38#include <asm/uaccess.h>
39
40#define DLINFO_ITEMS 12
41
42#include <linux/elf.h>
43
44static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs);
45static int load_irix_library(struct file *);
46static int irix_core_dump(long signr, struct pt_regs * regs,
47 struct file *file, unsigned long limit);
48
49static struct linux_binfmt irix_format = {
50 .module = THIS_MODULE,
51 .load_binary = load_irix_binary,
52 .load_shlib = load_irix_library,
53 .core_dump = irix_core_dump,
54 .min_coredump = PAGE_SIZE,
55};
56
57/* Debugging routines. */
58static char *get_elf_p_type(Elf32_Word p_type)
59{
60#ifdef DEBUG
61 switch (p_type) {
62 case PT_NULL:
63 return "PT_NULL";
64 break;
65
66 case PT_LOAD:
67 return "PT_LOAD";
68 break;
69
70 case PT_DYNAMIC:
71 return "PT_DYNAMIC";
72 break;
73
74 case PT_INTERP:
75 return "PT_INTERP";
76 break;
77
78 case PT_NOTE:
79 return "PT_NOTE";
80 break;
81
82 case PT_SHLIB:
83 return "PT_SHLIB";
84 break;
85
86 case PT_PHDR:
87 return "PT_PHDR";
88 break;
89
90 case PT_LOPROC:
91 return "PT_LOPROC/REGINFO";
92 break;
93
94 case PT_HIPROC:
95 return "PT_HIPROC";
96 break;
97
98 default:
99 return "PT_BOGUS";
100 break;
101 }
102#endif
103}
104
105static void print_elfhdr(struct elfhdr *ehp)
106{
107 int i;
108
109 pr_debug("ELFHDR: e_ident<");
110 for (i = 0; i < (EI_NIDENT - 1); i++)
111 pr_debug("%x ", ehp->e_ident[i]);
112 pr_debug("%x>\n", ehp->e_ident[i]);
113 pr_debug(" e_type[%04x] e_machine[%04x] e_version[%08lx]\n",
114 (unsigned short) ehp->e_type, (unsigned short) ehp->e_machine,
115 (unsigned long) ehp->e_version);
116 pr_debug(" e_entry[%08lx] e_phoff[%08lx] e_shoff[%08lx] "
117 "e_flags[%08lx]\n",
118 (unsigned long) ehp->e_entry, (unsigned long) ehp->e_phoff,
119 (unsigned long) ehp->e_shoff, (unsigned long) ehp->e_flags);
120 pr_debug(" e_ehsize[%04x] e_phentsize[%04x] e_phnum[%04x]\n",
121 (unsigned short) ehp->e_ehsize,
122 (unsigned short) ehp->e_phentsize,
123 (unsigned short) ehp->e_phnum);
124 pr_debug(" e_shentsize[%04x] e_shnum[%04x] e_shstrndx[%04x]\n",
125 (unsigned short) ehp->e_shentsize,
126 (unsigned short) ehp->e_shnum,
127 (unsigned short) ehp->e_shstrndx);
128}
129
130static void print_phdr(int i, struct elf_phdr *ep)
131{
132 pr_debug("PHDR[%d]: p_type[%s] p_offset[%08lx] p_vaddr[%08lx] "
133 "p_paddr[%08lx]\n", i, get_elf_p_type(ep->p_type),
134 (unsigned long) ep->p_offset, (unsigned long) ep->p_vaddr,
135 (unsigned long) ep->p_paddr);
136 pr_debug(" p_filesz[%08lx] p_memsz[%08lx] p_flags[%08lx] "
137 "p_align[%08lx]\n", (unsigned long) ep->p_filesz,
138 (unsigned long) ep->p_memsz, (unsigned long) ep->p_flags,
139 (unsigned long) ep->p_align);
140}
141
142static void dump_phdrs(struct elf_phdr *ep, int pnum)
143{
144 int i;
145
146 for (i = 0; i < pnum; i++, ep++) {
147 if ((ep->p_type == PT_LOAD) ||
148 (ep->p_type == PT_INTERP) ||
149 (ep->p_type == PT_PHDR))
150 print_phdr(i, ep);
151 }
152}
153
154static void set_brk(unsigned long start, unsigned long end)
155{
156 start = PAGE_ALIGN(start);
157 end = PAGE_ALIGN(end);
158 if (end <= start)
159 return;
160 down_write(&current->mm->mmap_sem);
161 do_brk(start, end - start);
162 up_write(&current->mm->mmap_sem);
163}
164
165
166/* We need to explicitly zero any fractional pages
167 * after the data section (i.e. bss). This would
168 * contain the junk from the file that should not
169 * be in memory.
170 */
171static void padzero(unsigned long elf_bss)
172{
173 unsigned long nbyte;
174
175 nbyte = elf_bss & (PAGE_SIZE-1);
176 if (nbyte) {
177 nbyte = PAGE_SIZE - nbyte;
178 clear_user((void __user *) elf_bss, nbyte);
179 }
180}
181
182static unsigned long * create_irix_tables(char * p, int argc, int envc,
183 struct elfhdr * exec, unsigned int load_addr,
184 unsigned int interp_load_addr, struct pt_regs *regs,
185 struct elf_phdr *ephdr)
186{
187 elf_addr_t *argv;
188 elf_addr_t *envp;
189 elf_addr_t *sp, *csp;
190
191 pr_debug("create_irix_tables: p[%p] argc[%d] envc[%d] "
192 "load_addr[%08x] interp_load_addr[%08x]\n",
193 p, argc, envc, load_addr, interp_load_addr);
194
195 sp = (elf_addr_t *) (~15UL & (unsigned long) p);
196 csp = sp;
197 csp -= exec ? DLINFO_ITEMS*2 : 2;
198 csp -= envc+1;
199 csp -= argc+1;
200 csp -= 1; /* argc itself */
201 if ((unsigned long)csp & 15UL) {
202 sp -= (16UL - ((unsigned long)csp & 15UL)) / sizeof(*sp);
203 }
204
205 /*
206 * Put the ELF interpreter info on the stack
207 */
208#define NEW_AUX_ENT(nr, id, val) \
209 __put_user((id), sp+(nr*2)); \
210 __put_user((val), sp+(nr*2+1)); \
211
212 sp -= 2;
213 NEW_AUX_ENT(0, AT_NULL, 0);
214
215 if (exec) {
216 sp -= 11*2;
217
218 NEW_AUX_ENT(0, AT_PHDR, load_addr + exec->e_phoff);
219 NEW_AUX_ENT(1, AT_PHENT, sizeof(struct elf_phdr));
220 NEW_AUX_ENT(2, AT_PHNUM, exec->e_phnum);
221 NEW_AUX_ENT(3, AT_PAGESZ, ELF_EXEC_PAGESIZE);
222 NEW_AUX_ENT(4, AT_BASE, interp_load_addr);
223 NEW_AUX_ENT(5, AT_FLAGS, 0);
224 NEW_AUX_ENT(6, AT_ENTRY, (elf_addr_t) exec->e_entry);
225 NEW_AUX_ENT(7, AT_UID, (elf_addr_t) current->uid);
226 NEW_AUX_ENT(8, AT_EUID, (elf_addr_t) current->euid);
227 NEW_AUX_ENT(9, AT_GID, (elf_addr_t) current->gid);
228 NEW_AUX_ENT(10, AT_EGID, (elf_addr_t) current->egid);
229 }
230#undef NEW_AUX_ENT
231
232 sp -= envc+1;
233 envp = sp;
234 sp -= argc+1;
235 argv = sp;
236
237 __put_user((elf_addr_t)argc, --sp);
238 current->mm->arg_start = (unsigned long) p;
239 while (argc-->0) {
240 __put_user((unsigned long)p, argv++);
241 p += strlen_user(p);
242 }
243 __put_user((unsigned long) NULL, argv);
244 current->mm->arg_end = current->mm->env_start = (unsigned long) p;
245 while (envc-->0) {
246 __put_user((unsigned long)p, envp++);
247 p += strlen_user(p);
248 }
249 __put_user((unsigned long) NULL, envp);
250 current->mm->env_end = (unsigned long) p;
251 return sp;
252}
253
254
255/* This is much more generalized than the library routine read function,
256 * so we keep this separate. Technically the library read function
257 * is only provided so that we can read a.out libraries that have
258 * an ELF header.
259 */
260static unsigned int load_irix_interp(struct elfhdr * interp_elf_ex,
261 struct file * interpreter,
262 unsigned int *interp_load_addr)
263{
264 struct elf_phdr *elf_phdata = NULL;
265 struct elf_phdr *eppnt;
266 unsigned int len;
267 unsigned int load_addr;
268 int elf_bss;
269 int retval;
270 unsigned int last_bss;
271 int error;
272 int i;
273 unsigned int k;
274
275 elf_bss = 0;
276 last_bss = 0;
277 error = load_addr = 0;
278
279 print_elfhdr(interp_elf_ex);
280
281 /* First of all, some simple consistency checks */
282 if ((interp_elf_ex->e_type != ET_EXEC &&
283 interp_elf_ex->e_type != ET_DYN) ||
284 !interpreter->f_op->mmap) {
285 printk("IRIX interp has bad e_type %d\n", interp_elf_ex->e_type);
286 return 0xffffffff;
287 }
288
289 /* Now read in all of the header information */
290 if (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum > PAGE_SIZE) {
291 printk("IRIX interp header bigger than a page (%d)\n",
292 (sizeof(struct elf_phdr) * interp_elf_ex->e_phnum));
293 return 0xffffffff;
294 }
295
296 elf_phdata = kmalloc(sizeof(struct elf_phdr) * interp_elf_ex->e_phnum,
297 GFP_KERNEL);
298
299 if (!elf_phdata) {
300 printk("Cannot kmalloc phdata for IRIX interp.\n");
301 return 0xffffffff;
302 }
303
304 /* If the size of this structure has changed, then punt, since
305 * we will be doing the wrong thing.
306 */
307 if (interp_elf_ex->e_phentsize != 32) {
308 printk("IRIX interp e_phentsize == %d != 32 ",
309 interp_elf_ex->e_phentsize);
310 kfree(elf_phdata);
311 return 0xffffffff;
312 }
313
314 retval = kernel_read(interpreter, interp_elf_ex->e_phoff,
315 (char *) elf_phdata,
316 sizeof(struct elf_phdr) * interp_elf_ex->e_phnum);
317
318 dump_phdrs(elf_phdata, interp_elf_ex->e_phnum);
319
320 eppnt = elf_phdata;
321 for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) {
322 if (eppnt->p_type == PT_LOAD) {
323 int elf_type = MAP_PRIVATE | MAP_DENYWRITE;
324 int elf_prot = 0;
325 unsigned long vaddr = 0;
326 if (eppnt->p_flags & PF_R)
327 elf_prot = PROT_READ;
328 if (eppnt->p_flags & PF_W)
329 elf_prot |= PROT_WRITE;
330 if (eppnt->p_flags & PF_X)
331 elf_prot |= PROT_EXEC;
332 elf_type |= MAP_FIXED;
333 vaddr = eppnt->p_vaddr;
334
335 pr_debug("INTERP do_mmap"
336 "(%p, %08lx, %08lx, %08lx, %08lx, %08lx) ",
337 interpreter, vaddr,
338 (unsigned long)
339 (eppnt->p_filesz + (eppnt->p_vaddr & 0xfff)),
340 (unsigned long)
341 elf_prot, (unsigned long) elf_type,
342 (unsigned long)
343 (eppnt->p_offset & 0xfffff000));
344
345 down_write(&current->mm->mmap_sem);
346 error = do_mmap(interpreter, vaddr,
347 eppnt->p_filesz + (eppnt->p_vaddr & 0xfff),
348 elf_prot, elf_type,
349 eppnt->p_offset & 0xfffff000);
350 up_write(&current->mm->mmap_sem);
351
352 if (error < 0 && error > -1024) {
353 printk("Aieee IRIX interp mmap error=%d\n",
354 error);
355 break; /* Real error */
356 }
357 pr_debug("error=%08lx ", (unsigned long) error);
358 if (!load_addr && interp_elf_ex->e_type == ET_DYN) {
359 load_addr = error;
360 pr_debug("load_addr = error ");
361 }
362
363 /*
364 * Find the end of the file mapping for this phdr, and
365 * keep track of the largest address we see for this.
366 */
367 k = eppnt->p_vaddr + eppnt->p_filesz;
368 if (k > elf_bss)
369 elf_bss = k;
370
371 /* Do the same thing for the memory mapping - between
372 * elf_bss and last_bss is the bss section.
373 */
374 k = eppnt->p_memsz + eppnt->p_vaddr;
375 if (k > last_bss)
376 last_bss = k;
377 pr_debug("\n");
378 }
379 }
380
381 /* Now use mmap to map the library into memory. */
382 if (error < 0 && error > -1024) {
383 pr_debug("got error %d\n", error);
384 kfree(elf_phdata);
385 return 0xffffffff;
386 }
387
388 /* Now fill out the bss section. First pad the last page up
389 * to the page boundary, and then perform a mmap to make sure
390 * that there are zero-mapped pages up to and including the
391 * last bss page.
392 */
393 pr_debug("padzero(%08lx) ", (unsigned long) (elf_bss));
394 padzero(elf_bss);
395 len = (elf_bss + 0xfff) & 0xfffff000; /* What we have mapped so far */
396
397 pr_debug("last_bss[%08lx] len[%08lx]\n", (unsigned long) last_bss,
398 (unsigned long) len);
399
400 /* Map the last of the bss segment */
401 if (last_bss > len) {
402 down_write(&current->mm->mmap_sem);
403 do_brk(len, (last_bss - len));
404 up_write(&current->mm->mmap_sem);
405 }
406 kfree(elf_phdata);
407
408 *interp_load_addr = load_addr;
409 return ((unsigned int) interp_elf_ex->e_entry);
410}
411
412/* Check sanity of IRIX elf executable header. */
413static int verify_binary(struct elfhdr *ehp, struct linux_binprm *bprm)
414{
415 if (memcmp(ehp->e_ident, ELFMAG, SELFMAG) != 0)
416 return -ENOEXEC;
417
418 /* First of all, some simple consistency checks */
419 if ((ehp->e_type != ET_EXEC && ehp->e_type != ET_DYN) ||
420 !bprm->file->f_op->mmap) {
421 return -ENOEXEC;
422 }
423
424 /* XXX Don't support N32 or 64bit binaries yet because they can
425 * XXX and do execute 64 bit instructions and expect all registers
426 * XXX to be 64 bit as well. We need to make the kernel save
427 * XXX all registers as 64bits on cpu's capable of this at
428 * XXX exception time plus frob the XTLB exception vector.
429 */
430 if ((ehp->e_flags & EF_MIPS_ABI2))
431 return -ENOEXEC;
432
433 return 0;
434}
435
436/*
437 * This is where the detailed check is performed. Irix binaries
438 * use interpreters with 'libc.so' in the name, so this function
439 * can differentiate between Linux and Irix binaries.
440 */
441static inline int look_for_irix_interpreter(char **name,
442 struct file **interpreter,
443 struct elfhdr *interp_elf_ex,
444 struct elf_phdr *epp,
445 struct linux_binprm *bprm, int pnum)
446{
447 int i;
448 int retval = -EINVAL;
449 struct file *file = NULL;
450
451 *name = NULL;
452 for (i = 0; i < pnum; i++, epp++) {
453 if (epp->p_type != PT_INTERP)
454 continue;
455
456 /* It is illegal to have two interpreters for one executable. */
457 if (*name != NULL)
458 goto out;
459
460 *name = kmalloc(epp->p_filesz + strlen(IRIX_EMUL), GFP_KERNEL);
461 if (!*name)
462 return -ENOMEM;
463
464 strcpy(*name, IRIX_EMUL);
465 retval = kernel_read(bprm->file, epp->p_offset, (*name + 16),
466 epp->p_filesz);
467 if (retval < 0)
468 goto out;
469
470 file = open_exec(*name);
471 if (IS_ERR(file)) {
472 retval = PTR_ERR(file);
473 goto out;
474 }
475 retval = kernel_read(file, 0, bprm->buf, 128);
476 if (retval < 0)
477 goto dput_and_out;
478
479 *interp_elf_ex = *(struct elfhdr *) bprm->buf;
480 }
481 *interpreter = file;
482 return 0;
483
484dput_and_out:
485 fput(file);
486out:
487 kfree(*name);
488 return retval;
489}
490
491static inline int verify_irix_interpreter(struct elfhdr *ihp)
492{
493 if (memcmp(ihp->e_ident, ELFMAG, SELFMAG) != 0)
494 return -ELIBBAD;
495 return 0;
496}
497
498#define EXEC_MAP_FLAGS (MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE)
499
500static inline void map_executable(struct file *fp, struct elf_phdr *epp, int pnum,
501 unsigned int *estack, unsigned int *laddr,
502 unsigned int *scode, unsigned int *ebss,
503 unsigned int *ecode, unsigned int *edata,
504 unsigned int *ebrk)
505{
506 unsigned int tmp;
507 int i, prot;
508
509 for (i = 0; i < pnum; i++, epp++) {
510 if (epp->p_type != PT_LOAD)
511 continue;
512
513 /* Map it. */
514 prot = (epp->p_flags & PF_R) ? PROT_READ : 0;
515 prot |= (epp->p_flags & PF_W) ? PROT_WRITE : 0;
516 prot |= (epp->p_flags & PF_X) ? PROT_EXEC : 0;
517 down_write(&current->mm->mmap_sem);
518 (void) do_mmap(fp, (epp->p_vaddr & 0xfffff000),
519 (epp->p_filesz + (epp->p_vaddr & 0xfff)),
520 prot, EXEC_MAP_FLAGS,
521 (epp->p_offset & 0xfffff000));
522 up_write(&current->mm->mmap_sem);
523
524 /* Fixup location tracking vars. */
525 if ((epp->p_vaddr & 0xfffff000) < *estack)
526 *estack = (epp->p_vaddr & 0xfffff000);
527 if (!*laddr)
528 *laddr = epp->p_vaddr - epp->p_offset;
529 if (epp->p_vaddr < *scode)
530 *scode = epp->p_vaddr;
531
532 tmp = epp->p_vaddr + epp->p_filesz;
533 if (tmp > *ebss)
534 *ebss = tmp;
535 if ((epp->p_flags & PF_X) && *ecode < tmp)
536 *ecode = tmp;
537 if (*edata < tmp)
538 *edata = tmp;
539
540 tmp = epp->p_vaddr + epp->p_memsz;
541 if (tmp > *ebrk)
542 *ebrk = tmp;
543 }
544
545}
546
547static inline int map_interpreter(struct elf_phdr *epp, struct elfhdr *ihp,
548 struct file *interp, unsigned int *iladdr,
549 int pnum, mm_segment_t old_fs,
550 unsigned int *eentry)
551{
552 int i;
553
554 *eentry = 0xffffffff;
555 for (i = 0; i < pnum; i++, epp++) {
556 if (epp->p_type != PT_INTERP)
557 continue;
558
559 /* We should have fielded this error elsewhere... */
560 if (*eentry != 0xffffffff)
561 return -1;
562
563 set_fs(old_fs);
564 *eentry = load_irix_interp(ihp, interp, iladdr);
565 old_fs = get_fs();
566 set_fs(get_ds());
567
568 fput(interp);
569
570 if (*eentry == 0xffffffff)
571 return -1;
572 }
573 return 0;
574}
575
576/*
577 * IRIX maps a page at 0x200000 that holds information about the
578 * process and the system, here we map the page and fill the
579 * structure
580 */
581static int irix_map_prda_page(void)
582{
583 unsigned long v;
584 struct prda *pp;
585
586 down_write(&current->mm->mmap_sem);
587 v = do_brk(PRDA_ADDRESS, PAGE_SIZE);
588 up_write(&current->mm->mmap_sem);
589
590 if (v != PRDA_ADDRESS)
591 return v; /* v must be an error code */
592
593 pp = (struct prda *) v;
594 pp->prda_sys.t_pid = task_pid_vnr(current);
595 pp->prda_sys.t_prid = read_c0_prid();
596 pp->prda_sys.t_rpid = task_pid_vnr(current);
597
598 /* We leave the rest set to zero */
599
600 return 0;
601}
602
603
604
605/* These are the functions used to load ELF style executables and shared
606 * libraries. There is no binary dependent code anywhere else.
607 */
608static int load_irix_binary(struct linux_binprm * bprm, struct pt_regs * regs)
609{
610 struct elfhdr elf_ex, interp_elf_ex;
611 struct file *interpreter;
612 struct elf_phdr *elf_phdata, *elf_ihdr, *elf_ephdr;
613 unsigned int load_addr, elf_bss, elf_brk;
614 unsigned int elf_entry, interp_load_addr = 0;
615 unsigned int start_code, end_code, end_data, elf_stack;
616 int retval, has_interp, has_ephdr, size, i;
617 char *elf_interpreter;
618 mm_segment_t old_fs;
619
620 load_addr = 0;
621 has_interp = has_ephdr = 0;
622 elf_ihdr = elf_ephdr = NULL;
623 elf_ex = *((struct elfhdr *) bprm->buf);
624 retval = -ENOEXEC;
625
626 if (verify_binary(&elf_ex, bprm))
627 goto out;
628
629 /*
630 * Telling -o32 static binaries from Linux and Irix apart from each
631 * other is difficult. There are 2 differences to be noted for static
632 * binaries from the 2 operating systems:
633 *
634 * 1) Irix binaries have their .text section before their .init
635 * section. Linux binaries are just the opposite.
636 *
637 * 2) Irix binaries usually have <= 12 sections and Linux
638 * binaries have > 20.
639 *
640 * We will use Method #2 since Method #1 would require us to read in
641 * the section headers which is way too much overhead. This appears
642 * to work for everything we have ran into so far. If anyone has a
643 * better method to tell the binaries apart, I'm listening.
644 */
645 if (elf_ex.e_shnum > 20)
646 goto out;
647
648 print_elfhdr(&elf_ex);
649
650 /* Now read in all of the header information */
651 size = elf_ex.e_phentsize * elf_ex.e_phnum;
652 if (size > 65536)
653 goto out;
654 elf_phdata = kmalloc(size, GFP_KERNEL);
655 if (elf_phdata == NULL) {
656 retval = -ENOMEM;
657 goto out;
658 }
659
660 retval = kernel_read(bprm->file, elf_ex.e_phoff, (char *)elf_phdata, size);
661 if (retval < 0)
662 goto out_free_ph;
663
664 dump_phdrs(elf_phdata, elf_ex.e_phnum);
665
666 /* Set some things for later. */
667 for (i = 0; i < elf_ex.e_phnum; i++) {
668 switch (elf_phdata[i].p_type) {
669 case PT_INTERP:
670 has_interp = 1;
671 elf_ihdr = &elf_phdata[i];
672 break;
673 case PT_PHDR:
674 has_ephdr = 1;
675 elf_ephdr = &elf_phdata[i];
676 break;
677 };
678 }
679
680 pr_debug("\n");
681
682 elf_bss = 0;
683 elf_brk = 0;
684
685 elf_stack = 0xffffffff;
686 elf_interpreter = NULL;
687 start_code = 0xffffffff;
688 end_code = 0;
689 end_data = 0;
690
691 /*
692 * If we get a return value, we change the value to be ENOEXEC
693 * so that we can exit gracefully and the main binary format
694 * search loop in 'fs/exec.c' will move onto the next handler
695 * which should be the normal ELF binary handler.
696 */
697 retval = look_for_irix_interpreter(&elf_interpreter, &interpreter,
698 &interp_elf_ex, elf_phdata, bprm,
699 elf_ex.e_phnum);
700 if (retval) {
701 retval = -ENOEXEC;
702 goto out_free_file;
703 }
704
705 if (elf_interpreter) {
706 retval = verify_irix_interpreter(&interp_elf_ex);
707 if (retval)
708 goto out_free_interp;
709 }
710
711 /* OK, we are done with that, now set up the arg stuff,
712 * and then start this sucker up.
713 */
714 retval = -E2BIG;
715 if (!bprm->sh_bang && !bprm->p)
716 goto out_free_interp;
717
718 /* Flush all traces of the currently running executable */
719 retval = flush_old_exec(bprm);
720 if (retval)
721 goto out_free_dentry;
722
723 /* OK, This is the point of no return */
724 current->mm->end_data = 0;
725 current->mm->end_code = 0;
726 current->mm->mmap = NULL;
727 current->flags &= ~PF_FORKNOEXEC;
728 elf_entry = (unsigned int) elf_ex.e_entry;
729
730 /* Do this so that we can load the interpreter, if need be. We will
731 * change some of these later.
732 */
733 setup_arg_pages(bprm, STACK_TOP, EXSTACK_DEFAULT);
734 current->mm->start_stack = bprm->p;
735
736 /* At this point, we assume that the image should be loaded at
737 * fixed address, not at a variable address.
738 */
739 old_fs = get_fs();
740 set_fs(get_ds());
741
742 map_executable(bprm->file, elf_phdata, elf_ex.e_phnum, &elf_stack,
743 &load_addr, &start_code, &elf_bss, &end_code,
744 &end_data, &elf_brk);
745
746 if (elf_interpreter) {
747 retval = map_interpreter(elf_phdata, &interp_elf_ex,
748 interpreter, &interp_load_addr,
749 elf_ex.e_phnum, old_fs, &elf_entry);
750 kfree(elf_interpreter);
751 if (retval) {
752 set_fs(old_fs);
753 printk("Unable to load IRIX ELF interpreter\n");
754 send_sig(SIGSEGV, current, 0);
755 retval = 0;
756 goto out_free_file;
757 }
758 }
759
760 set_fs(old_fs);
761
762 kfree(elf_phdata);
763 set_personality(PER_IRIX32);
764 set_binfmt(&irix_format);
765 compute_creds(bprm);
766 current->flags &= ~PF_FORKNOEXEC;
767 bprm->p = (unsigned long)
768 create_irix_tables((char *)bprm->p, bprm->argc, bprm->envc,
769 (elf_interpreter ? &elf_ex : NULL),
770 load_addr, interp_load_addr, regs, elf_ephdr);
771 current->mm->start_brk = current->mm->brk = elf_brk;
772 current->mm->end_code = end_code;
773 current->mm->start_code = start_code;
774 current->mm->end_data = end_data;
775 current->mm->start_stack = bprm->p;
776
777 /* Calling set_brk effectively mmaps the pages that we need for the
778 * bss and break sections.
779 */
780 set_brk(elf_bss, elf_brk);
781
782 /*
783 * IRIX maps a page at 0x200000 which holds some system
784 * information. Programs depend on this.
785 */
786 if (irix_map_prda_page())
787 goto out_free_dentry;
788
789 padzero(elf_bss);
790
791 pr_debug("(start_brk) %lx\n" , (long) current->mm->start_brk);
792 pr_debug("(end_code) %lx\n" , (long) current->mm->end_code);
793 pr_debug("(start_code) %lx\n" , (long) current->mm->start_code);
794 pr_debug("(end_data) %lx\n" , (long) current->mm->end_data);
795 pr_debug("(start_stack) %lx\n" , (long) current->mm->start_stack);
796 pr_debug("(brk) %lx\n" , (long) current->mm->brk);
797
798#if 0 /* XXX No fucking way dude... */
799 /* Why this, you ask??? Well SVr4 maps page 0 as read-only,
800 * and some applications "depend" upon this behavior.
801 * Since we do not have the power to recompile these, we
802 * emulate the SVr4 behavior. Sigh.
803 */
804 down_write(&current->mm->mmap_sem);
805 (void) do_mmap(NULL, 0, 4096, PROT_READ | PROT_EXEC,
806 MAP_FIXED | MAP_PRIVATE, 0);
807 up_write(&current->mm->mmap_sem);
808#endif
809
810 start_thread(regs, elf_entry, bprm->p);
811 if (current->ptrace & PT_PTRACED)
812 send_sig(SIGTRAP, current, 0);
813 return 0;
814out:
815 return retval;
816
817out_free_dentry:
818 allow_write_access(interpreter);
819 fput(interpreter);
820out_free_interp:
821 kfree(elf_interpreter);
822out_free_file:
823out_free_ph:
824 kfree(elf_phdata);
825 goto out;
826}
827
828/* This is really simpleminded and specialized - we are loading an
829 * a.out library that is given an ELF header.
830 */
831static int load_irix_library(struct file *file)
832{
833 struct elfhdr elf_ex;
834 struct elf_phdr *elf_phdata = NULL;
835 unsigned int len = 0;
836 int elf_bss = 0;
837 int retval;
838 unsigned int bss;
839 int error;
840 int i, j, k;
841
842 error = kernel_read(file, 0, (char *) &elf_ex, sizeof(elf_ex));
843 if (error != sizeof(elf_ex))
844 return -ENOEXEC;
845
846 if (memcmp(elf_ex.e_ident, ELFMAG, SELFMAG) != 0)
847 return -ENOEXEC;
848
849 /* First of all, some simple consistency checks. */
850 if (elf_ex.e_type != ET_EXEC || elf_ex.e_phnum > 2 ||
851 !file->f_op->mmap)
852 return -ENOEXEC;
853
854 /* Now read in all of the header information. */
855 if (sizeof(struct elf_phdr) * elf_ex.e_phnum > PAGE_SIZE)
856 return -ENOEXEC;
857
858 elf_phdata = kmalloc(sizeof(struct elf_phdr) * elf_ex.e_phnum, GFP_KERNEL);
859 if (elf_phdata == NULL)
860 return -ENOMEM;
861
862 retval = kernel_read(file, elf_ex.e_phoff, (char *) elf_phdata,
863 sizeof(struct elf_phdr) * elf_ex.e_phnum);
864
865 j = 0;
866 for (i=0; i<elf_ex.e_phnum; i++)
867 if ((elf_phdata + i)->p_type == PT_LOAD) j++;
868
869 if (j != 1) {
870 kfree(elf_phdata);
871 return -ENOEXEC;
872 }
873
874 while (elf_phdata->p_type != PT_LOAD) elf_phdata++;
875
876 /* Now use mmap to map the library into memory. */
877 down_write(&current->mm->mmap_sem);
878 error = do_mmap(file,
879 elf_phdata->p_vaddr & 0xfffff000,
880 elf_phdata->p_filesz + (elf_phdata->p_vaddr & 0xfff),
881 PROT_READ | PROT_WRITE | PROT_EXEC,
882 MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE,
883 elf_phdata->p_offset & 0xfffff000);
884 up_write(&current->mm->mmap_sem);
885
886 k = elf_phdata->p_vaddr + elf_phdata->p_filesz;
887 if (k > elf_bss) elf_bss = k;
888
889 if (error != (elf_phdata->p_vaddr & 0xfffff000)) {
890 kfree(elf_phdata);
891 return error;
892 }
893
894 padzero(elf_bss);
895
896 len = (elf_phdata->p_filesz + elf_phdata->p_vaddr+ 0xfff) & 0xfffff000;
897 bss = elf_phdata->p_memsz + elf_phdata->p_vaddr;
898 if (bss > len) {
899 down_write(&current->mm->mmap_sem);
900 do_brk(len, bss-len);
901 up_write(&current->mm->mmap_sem);
902 }
903 kfree(elf_phdata);
904 return 0;
905}
906
907/* Called through irix_syssgi() to map an elf image given an FD,
908 * a phdr ptr USER_PHDRP in userspace, and a count CNT telling how many
909 * phdrs there are in the USER_PHDRP array. We return the vaddr the
910 * first phdr was successfully mapped to.
911 */
912unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt)
913{
914 unsigned long type, vaddr, filesz, offset, flags;
915 struct elf_phdr __user *hp;
916 struct file *filp;
917 int i, retval;
918
919 pr_debug("irix_mapelf: fd[%d] user_phdrp[%p] cnt[%d]\n",
920 fd, user_phdrp, cnt);
921
922 /* First get the verification out of the way. */
923 hp = user_phdrp;
924 if (!access_ok(VERIFY_READ, hp, (sizeof(struct elf_phdr) * cnt))) {
925 pr_debug("irix_mapelf: bad pointer to ELF PHDR!\n");
926
927 return -EFAULT;
928 }
929
930 dump_phdrs(user_phdrp, cnt);
931
932 for (i = 0; i < cnt; i++, hp++) {
933 if (__get_user(type, &hp->p_type))
934 return -EFAULT;
935 if (type != PT_LOAD) {
936 printk("irix_mapelf: One section is not PT_LOAD!\n");
937 return -ENOEXEC;
938 }
939 }
940
941 filp = fget(fd);
942 if (!filp)
943 return -EACCES;
944 if (!filp->f_op) {
945 printk("irix_mapelf: Bogon filp!\n");
946 fput(filp);
947 return -EACCES;
948 }
949
950 hp = user_phdrp;
951 for (i = 0; i < cnt; i++, hp++) {
952 int prot;
953
954 retval = __get_user(vaddr, &hp->p_vaddr);
955 retval |= __get_user(filesz, &hp->p_filesz);
956 retval |= __get_user(offset, &hp->p_offset);
957 retval |= __get_user(flags, &hp->p_flags);
958 if (retval)
959 return retval;
960
961 prot = (flags & PF_R) ? PROT_READ : 0;
962 prot |= (flags & PF_W) ? PROT_WRITE : 0;
963 prot |= (flags & PF_X) ? PROT_EXEC : 0;
964
965 down_write(&current->mm->mmap_sem);
966 retval = do_mmap(filp, (vaddr & 0xfffff000),
967 (filesz + (vaddr & 0xfff)),
968 prot, (MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE),
969 (offset & 0xfffff000));
970 up_write(&current->mm->mmap_sem);
971
972 if (retval != (vaddr & 0xfffff000)) {
973 printk("irix_mapelf: do_mmap fails with %d!\n", retval);
974 fput(filp);
975 return retval;
976 }
977 }
978
979 pr_debug("irix_mapelf: Success, returning %08lx\n",
980 (unsigned long) user_phdrp->p_vaddr);
981
982 fput(filp);
983
984 if (__get_user(vaddr, &user_phdrp->p_vaddr))
985 return -EFAULT;
986
987 return vaddr;
988}
989
990/*
991 * ELF core dumper
992 *
993 * Modelled on fs/exec.c:aout_core_dump()
994 * Jeremy Fitzhardinge <jeremy@sw.oz.au>
995 */
996
997/* These are the only things you should do on a core-file: use only these
998 * functions to write out all the necessary info.
999 */
1000static int dump_write(struct file *file, const void __user *addr, int nr)
1001{
1002 return file->f_op->write(file, (const char __user *) addr, nr, &file->f_pos) == nr;
1003}
1004
1005static int dump_seek(struct file *file, off_t off)
1006{
1007 if (file->f_op->llseek) {
1008 if (file->f_op->llseek(file, off, 0) != off)
1009 return 0;
1010 } else
1011 file->f_pos = off;
1012 return 1;
1013}
1014
1015/* Decide whether a segment is worth dumping; default is yes to be
1016 * sure (missing info is worse than too much; etc).
1017 * Personally I'd include everything, and use the coredump limit...
1018 *
1019 * I think we should skip something. But I am not sure how. H.J.
1020 */
1021static inline int maydump(struct vm_area_struct *vma)
1022{
1023 if (!(vma->vm_flags & (VM_READ|VM_WRITE|VM_EXEC)))
1024 return 0;
1025#if 1
1026 if (vma->vm_flags & (VM_WRITE|VM_GROWSUP|VM_GROWSDOWN))
1027 return 1;
1028 if (vma->vm_flags & (VM_READ|VM_EXEC|VM_EXECUTABLE|VM_SHARED))
1029 return 0;
1030#endif
1031 return 1;
1032}
1033
1034/* An ELF note in memory. */
1035struct memelfnote
1036{
1037 const char *name;
1038 int type;
1039 unsigned int datasz;
1040 void *data;
1041};
1042
1043static int notesize(struct memelfnote *en)
1044{
1045 int sz;
1046
1047 sz = sizeof(struct elf_note);
1048 sz += roundup(strlen(en->name) + 1, 4);
1049 sz += roundup(en->datasz, 4);
1050
1051 return sz;
1052}
1053
1054#define DUMP_WRITE(addr, nr) \
1055 if (!dump_write(file, (addr), (nr))) \
1056 goto end_coredump;
1057#define DUMP_SEEK(off) \
1058 if (!dump_seek(file, (off))) \
1059 goto end_coredump;
1060
1061static int writenote(struct memelfnote *men, struct file *file)
1062{
1063 struct elf_note en;
1064
1065 en.n_namesz = strlen(men->name) + 1;
1066 en.n_descsz = men->datasz;
1067 en.n_type = men->type;
1068
1069 DUMP_WRITE(&en, sizeof(en));
1070 DUMP_WRITE(men->name, en.n_namesz);
1071 /* XXX - cast from long long to long to avoid need for libgcc.a */
1072 DUMP_SEEK(roundup((unsigned long)file->f_pos, 4)); /* XXX */
1073 DUMP_WRITE(men->data, men->datasz);
1074 DUMP_SEEK(roundup((unsigned long)file->f_pos, 4)); /* XXX */
1075
1076 return 1;
1077
1078end_coredump:
1079 return 0;
1080}
1081#undef DUMP_WRITE
1082#undef DUMP_SEEK
1083
1084#define DUMP_WRITE(addr, nr) \
1085 if (!dump_write(file, (addr), (nr))) \
1086 goto end_coredump;
1087#define DUMP_SEEK(off) \
1088 if (!dump_seek(file, (off))) \
1089 goto end_coredump;
1090
1091/* Actual dumper.
1092 *
1093 * This is a two-pass process; first we find the offsets of the bits,
1094 * and then they are actually written out. If we run out of core limit
1095 * we just truncate.
1096 */
1097static int irix_core_dump(long signr, struct pt_regs *regs, struct file *file, unsigned long limit)
1098{
1099 int has_dumped = 0;
1100 mm_segment_t fs;
1101 int segs;
1102 int i;
1103 size_t size;
1104 struct vm_area_struct *vma;
1105 struct elfhdr elf;
1106 off_t offset = 0, dataoff;
1107 int numnote = 3;
1108 struct memelfnote notes[3];
1109 struct elf_prstatus prstatus; /* NT_PRSTATUS */
1110 elf_fpregset_t fpu; /* NT_PRFPREG */
1111 struct elf_prpsinfo psinfo; /* NT_PRPSINFO */
1112
1113 /* Count what's needed to dump, up to the limit of coredump size. */
1114 segs = 0;
1115 size = 0;
1116 for (vma = current->mm->mmap; vma != NULL; vma = vma->vm_next) {
1117 if (maydump(vma))
1118 {
1119 int sz = vma->vm_end-vma->vm_start;
1120
1121 if (size+sz >= limit)
1122 break;
1123 else
1124 size += sz;
1125 }
1126
1127 segs++;
1128 }
1129 pr_debug("irix_core_dump: %d segs taking %d bytes\n", segs, size);
1130
1131 /* Set up header. */
1132 memcpy(elf.e_ident, ELFMAG, SELFMAG);
1133 elf.e_ident[EI_CLASS] = ELFCLASS32;
1134 elf.e_ident[EI_DATA] = ELFDATA2LSB;
1135 elf.e_ident[EI_VERSION] = EV_CURRENT;
1136 elf.e_ident[EI_OSABI] = ELF_OSABI;
1137 memset(elf.e_ident+EI_PAD, 0, EI_NIDENT-EI_PAD);
1138
1139 elf.e_type = ET_CORE;
1140 elf.e_machine = ELF_ARCH;
1141 elf.e_version = EV_CURRENT;
1142 elf.e_entry = 0;
1143 elf.e_phoff = sizeof(elf);
1144 elf.e_shoff = 0;
1145 elf.e_flags = 0;
1146 elf.e_ehsize = sizeof(elf);
1147 elf.e_phentsize = sizeof(struct elf_phdr);
1148 elf.e_phnum = segs+1; /* Include notes. */
1149 elf.e_shentsize = 0;
1150 elf.e_shnum = 0;
1151 elf.e_shstrndx = 0;
1152
1153 fs = get_fs();
1154 set_fs(KERNEL_DS);
1155
1156 has_dumped = 1;
1157 current->flags |= PF_DUMPCORE;
1158
1159 DUMP_WRITE(&elf, sizeof(elf));
1160 offset += sizeof(elf); /* Elf header. */
1161 offset += (segs+1) * sizeof(struct elf_phdr); /* Program headers. */
1162
1163 /* Set up the notes in similar form to SVR4 core dumps made
1164 * with info from their /proc.
1165 */
1166 memset(&psinfo, 0, sizeof(psinfo));
1167 memset(&prstatus, 0, sizeof(prstatus));
1168
1169 notes[0].name = "CORE";
1170 notes[0].type = NT_PRSTATUS;
1171 notes[0].datasz = sizeof(prstatus);
1172 notes[0].data = &prstatus;
1173 prstatus.pr_info.si_signo = prstatus.pr_cursig = signr;
1174 prstatus.pr_sigpend = current->pending.signal.sig[0];
1175 prstatus.pr_sighold = current->blocked.sig[0];
1176 psinfo.pr_pid = prstatus.pr_pid = task_pid_vnr(current);
1177 psinfo.pr_ppid = prstatus.pr_ppid = task_pid_vnr(current->parent);
1178 psinfo.pr_pgrp = prstatus.pr_pgrp = task_pgrp_vnr(current);
1179 psinfo.pr_sid = prstatus.pr_sid = task_session_vnr(current);
1180 if (thread_group_leader(current)) {
1181 /*
1182 * This is the record for the group leader. Add in the
1183 * cumulative times of previous dead threads. This total
1184 * won't include the time of each live thread whose state
1185 * is included in the core dump. The final total reported
1186 * to our parent process when it calls wait4 will include
1187 * those sums as well as the little bit more time it takes
1188 * this and each other thread to finish dying after the
1189 * core dump synchronization phase.
1190 */
1191 jiffies_to_timeval(current->utime + current->signal->utime,
1192 &prstatus.pr_utime);
1193 jiffies_to_timeval(current->stime + current->signal->stime,
1194 &prstatus.pr_stime);
1195 } else {
1196 jiffies_to_timeval(current->utime, &prstatus.pr_utime);
1197 jiffies_to_timeval(current->stime, &prstatus.pr_stime);
1198 }
1199 jiffies_to_timeval(current->signal->cutime, &prstatus.pr_cutime);
1200 jiffies_to_timeval(current->signal->cstime, &prstatus.pr_cstime);
1201
1202 if (sizeof(elf_gregset_t) != sizeof(struct pt_regs)) {
1203 printk("sizeof(elf_gregset_t) (%d) != sizeof(struct pt_regs) "
1204 "(%d)\n", sizeof(elf_gregset_t), sizeof(struct pt_regs));
1205 } else {
1206 *(struct pt_regs *)&prstatus.pr_reg = *regs;
1207 }
1208
1209 notes[1].name = "CORE";
1210 notes[1].type = NT_PRPSINFO;
1211 notes[1].datasz = sizeof(psinfo);
1212 notes[1].data = &psinfo;
1213 i = current->state ? ffz(~current->state) + 1 : 0;
1214 psinfo.pr_state = i;
1215 psinfo.pr_sname = (i < 0 || i > 5) ? '.' : "RSDZTD"[i];
1216 psinfo.pr_zomb = psinfo.pr_sname == 'Z';
1217 psinfo.pr_nice = task_nice(current);
1218 psinfo.pr_flag = current->flags;
1219 psinfo.pr_uid = current->uid;
1220 psinfo.pr_gid = current->gid;
1221 {
1222 int i, len;
1223
1224 set_fs(fs);
1225
1226 len = current->mm->arg_end - current->mm->arg_start;
1227 len = len >= ELF_PRARGSZ ? ELF_PRARGSZ : len;
1228 (void *) copy_from_user(&psinfo.pr_psargs,
1229 (const char __user *)current->mm->arg_start, len);
1230 for (i = 0; i < len; i++)
1231 if (psinfo.pr_psargs[i] == 0)
1232 psinfo.pr_psargs[i] = ' ';
1233 psinfo.pr_psargs[len] = 0;
1234
1235 set_fs(KERNEL_DS);
1236 }
1237 strlcpy(psinfo.pr_fname, current->comm, sizeof(psinfo.pr_fname));
1238
1239 /* Try to dump the FPU. */
1240 prstatus.pr_fpvalid = dump_fpu(regs, &fpu);
1241 if (!prstatus.pr_fpvalid) {
1242 numnote--;
1243 } else {
1244 notes[2].name = "CORE";
1245 notes[2].type = NT_PRFPREG;
1246 notes[2].datasz = sizeof(fpu);
1247 notes[2].data = &fpu;
1248 }
1249
1250 /* Write notes phdr entry. */
1251 {
1252 struct elf_phdr phdr;
1253 int sz = 0;
1254
1255 for (i = 0; i < numnote; i++)
1256 sz += notesize(&notes[i]);
1257
1258 phdr.p_type = PT_NOTE;
1259 phdr.p_offset = offset;
1260 phdr.p_vaddr = 0;
1261 phdr.p_paddr = 0;
1262 phdr.p_filesz = sz;
1263 phdr.p_memsz = 0;
1264 phdr.p_flags = 0;
1265 phdr.p_align = 0;
1266
1267 offset += phdr.p_filesz;
1268 DUMP_WRITE(&phdr, sizeof(phdr));
1269 }
1270
1271 /* Page-align dumped data. */
1272 dataoff = offset = roundup(offset, PAGE_SIZE);
1273
1274 /* Write program headers for segments dump. */
1275 for (vma = current->mm->mmap, i = 0;
1276 i < segs && vma != NULL; vma = vma->vm_next) {
1277 struct elf_phdr phdr;
1278 size_t sz;
1279
1280 i++;
1281
1282 sz = vma->vm_end - vma->vm_start;
1283
1284 phdr.p_type = PT_LOAD;
1285 phdr.p_offset = offset;
1286 phdr.p_vaddr = vma->vm_start;
1287 phdr.p_paddr = 0;
1288 phdr.p_filesz = maydump(vma) ? sz : 0;
1289 phdr.p_memsz = sz;
1290 offset += phdr.p_filesz;
1291 phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0;
1292 if (vma->vm_flags & VM_WRITE)
1293 phdr.p_flags |= PF_W;
1294 if (vma->vm_flags & VM_EXEC)
1295 phdr.p_flags |= PF_X;
1296 phdr.p_align = PAGE_SIZE;
1297
1298 DUMP_WRITE(&phdr, sizeof(phdr));
1299 }
1300
1301 for (i = 0; i < numnote; i++)
1302 if (!writenote(&notes[i], file))
1303 goto end_coredump;
1304
1305 set_fs(fs);
1306
1307 DUMP_SEEK(dataoff);
1308
1309 for (i = 0, vma = current->mm->mmap;
1310 i < segs && vma != NULL;
1311 vma = vma->vm_next) {
1312 unsigned long addr = vma->vm_start;
1313 unsigned long len = vma->vm_end - vma->vm_start;
1314
1315 if (!maydump(vma))
1316 continue;
1317 i++;
1318 pr_debug("elf_core_dump: writing %08lx %lx\n", addr, len);
1319 DUMP_WRITE((void __user *)addr, len);
1320 }
1321
1322 if ((off_t) file->f_pos != offset) {
1323 /* Sanity check. */
1324 printk("elf_core_dump: file->f_pos (%ld) != offset (%ld)\n",
1325 (off_t) file->f_pos, offset);
1326 }
1327
1328end_coredump:
1329 set_fs(fs);
1330 return has_dumped;
1331}
1332
1333static int __init init_irix_binfmt(void)
1334{
1335 extern int init_inventory(void);
1336 extern asmlinkage unsigned long sys_call_table;
1337 extern asmlinkage unsigned long sys_call_table_irix5;
1338
1339 init_inventory();
1340
1341 /*
1342 * Copy the IRIX5 syscall table (8000 bytes) into the main syscall
1343 * table. The IRIX5 calls are located by an offset of 8000 bytes
1344 * from the beginning of the main table.
1345 */
1346 memcpy((void *) ((unsigned long) &sys_call_table + 8000),
1347 &sys_call_table_irix5, 8000);
1348
1349 return register_binfmt(&irix_format);
1350}
1351
1352static void __exit exit_irix_binfmt(void)
1353{
1354 /*
1355 * Remove the Irix ELF loader.
1356 */
1357 unregister_binfmt(&irix_format);
1358}
1359
1360module_init(init_irix_binfmt)
1361module_exit(exit_irix_binfmt)
diff --git a/arch/mips/kernel/irixinv.c b/arch/mips/kernel/irixinv.c
deleted file mode 100644
index cf2dcd3d6a93..000000000000
--- a/arch/mips/kernel/irixinv.c
+++ /dev/null
@@ -1,78 +0,0 @@
1/*
2 * Support the inventory interface for IRIX binaries
3 * This is invoked before the mm layer is working, so we do not
4 * use the linked lists for the inventory yet.
5 *
6 * Miguel de Icaza, 1997.
7 */
8#include <linux/mm.h>
9#include <asm/inventory.h>
10#include <asm/uaccess.h>
11
12#define MAX_INVENTORY 50
13int inventory_items = 0;
14
15static inventory_t inventory [MAX_INVENTORY];
16
17void add_to_inventory(int class, int type, int controller, int unit, int state)
18{
19 inventory_t *ni = &inventory [inventory_items];
20
21 if (inventory_items == MAX_INVENTORY)
22 return;
23
24 ni->inv_class = class;
25 ni->inv_type = type;
26 ni->inv_controller = controller;
27 ni->inv_unit = unit;
28 ni->inv_state = state;
29 ni->inv_next = ni;
30 inventory_items++;
31}
32
33int dump_inventory_to_user(void __user *userbuf, int size)
34{
35 inventory_t *inv = &inventory [0];
36 inventory_t __user *user = userbuf;
37 int v;
38
39 if (!access_ok(VERIFY_WRITE, userbuf, size))
40 return -EFAULT;
41
42 for (v = 0; v < inventory_items; v++){
43 inv = &inventory [v];
44 if (copy_to_user (user, inv, sizeof (inventory_t)))
45 return -EFAULT;
46 user++;
47 }
48 return inventory_items * sizeof(inventory_t);
49}
50
51int __init init_inventory(void)
52{
53 /*
54 * gross hack while we put the right bits all over the kernel
55 * most likely this will not let just anyone run the X server
56 * until we put the right values all over the place
57 */
58 add_to_inventory(10, 3, 0, 0, 16400);
59 add_to_inventory(1, 1, 150, -1, 12);
60 add_to_inventory(1, 3, 0, 0, 8976);
61 add_to_inventory(1, 2, 0, 0, 8976);
62 add_to_inventory(4, 8, 0, 0, 2);
63 add_to_inventory(5, 5, 0, 0, 1);
64 add_to_inventory(3, 3, 0, 0, 32768);
65 add_to_inventory(3, 4, 0, 0, 32768);
66 add_to_inventory(3, 8, 0, 0, 524288);
67 add_to_inventory(3, 9, 0, 0, 64);
68 add_to_inventory(3, 1, 0, 0, 67108864);
69 add_to_inventory(12, 3, 0, 0, 16);
70 add_to_inventory(8, 7, 17, 0, 16777472);
71 add_to_inventory(8, 0, 0, 0, 1);
72 add_to_inventory(2, 1, 0, 13, 2);
73 add_to_inventory(2, 2, 0, 2, 0);
74 add_to_inventory(2, 2, 0, 1, 0);
75 add_to_inventory(7, 14, 0, 0, 6);
76
77 return 0;
78}
diff --git a/arch/mips/kernel/irixioctl.c b/arch/mips/kernel/irixioctl.c
deleted file mode 100644
index b39bdba82e02..000000000000
--- a/arch/mips/kernel/irixioctl.c
+++ /dev/null
@@ -1,213 +0,0 @@
1/*
2 * irixioctl.c: A fucking mess...
3 *
4 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
5 */
6
7#include <linux/kernel.h>
8#include <linux/sched.h>
9#include <linux/fs.h>
10#include <linux/mm.h>
11#include <linux/smp.h>
12#include <linux/sockios.h>
13#include <linux/syscalls.h>
14#include <linux/tty.h>
15#include <linux/file.h>
16#include <linux/rcupdate.h>
17
18#include <asm/uaccess.h>
19#include <asm/ioctl.h>
20#include <asm/ioctls.h>
21
22#undef DEBUG_IOCTLS
23#undef DEBUG_MISSING_IOCTL
24
25struct irix_termios {
26 tcflag_t c_iflag, c_oflag, c_cflag, c_lflag;
27 cc_t c_cc[NCCS];
28};
29
30asmlinkage int irix_ioctl(int fd, unsigned long cmd, unsigned long arg)
31{
32 struct tty_struct *tp, *rtp;
33 mm_segment_t old_fs;
34 int i, error = 0;
35
36#ifdef DEBUG_IOCTLS
37 printk("[%s:%d] irix_ioctl(%d, ", current->comm, current->pid, fd);
38#endif
39 switch(cmd) {
40 case 0x00005401:
41#ifdef DEBUG_IOCTLS
42 printk("TCGETA, %08lx) ", arg);
43#endif
44 error = sys_ioctl(fd, TCGETA, arg);
45 break;
46
47 case 0x0000540d: {
48 struct termios kt;
49 struct irix_termios __user *it =
50 (struct irix_termios __user *) arg;
51
52#ifdef DEBUG_IOCTLS
53 printk("TCGETS, %08lx) ", arg);
54#endif
55 if (!access_ok(VERIFY_WRITE, it, sizeof(*it))) {
56 error = -EFAULT;
57 break;
58 }
59 old_fs = get_fs(); set_fs(get_ds());
60 error = sys_ioctl(fd, TCGETS, (unsigned long) &kt);
61 set_fs(old_fs);
62 if (error)
63 break;
64
65 error = __put_user(kt.c_iflag, &it->c_iflag);
66 error |= __put_user(kt.c_oflag, &it->c_oflag);
67 error |= __put_user(kt.c_cflag, &it->c_cflag);
68 error |= __put_user(kt.c_lflag, &it->c_lflag);
69
70 for (i = 0; i < NCCS; i++)
71 error |= __put_user(kt.c_cc[i], &it->c_cc[i]);
72 break;
73 }
74
75 case 0x0000540e: {
76 struct termios kt;
77 struct irix_termios *it = (struct irix_termios *) arg;
78
79#ifdef DEBUG_IOCTLS
80 printk("TCSETS, %08lx) ", arg);
81#endif
82 if (!access_ok(VERIFY_READ, it, sizeof(*it))) {
83 error = -EFAULT;
84 break;
85 }
86 old_fs = get_fs(); set_fs(get_ds());
87 error = sys_ioctl(fd, TCGETS, (unsigned long) &kt);
88 set_fs(old_fs);
89 if (error)
90 break;
91
92 error = __get_user(kt.c_iflag, &it->c_iflag);
93 error |= __get_user(kt.c_oflag, &it->c_oflag);
94 error |= __get_user(kt.c_cflag, &it->c_cflag);
95 error |= __get_user(kt.c_lflag, &it->c_lflag);
96
97 for (i = 0; i < NCCS; i++)
98 error |= __get_user(kt.c_cc[i], &it->c_cc[i]);
99
100 if (error)
101 break;
102 old_fs = get_fs(); set_fs(get_ds());
103 error = sys_ioctl(fd, TCSETS, (unsigned long) &kt);
104 set_fs(old_fs);
105 break;
106 }
107
108 case 0x0000540f:
109#ifdef DEBUG_IOCTLS
110 printk("TCSETSW, %08lx) ", arg);
111#endif
112 error = sys_ioctl(fd, TCSETSW, arg);
113 break;
114
115 case 0x00005471:
116#ifdef DEBUG_IOCTLS
117 printk("TIOCNOTTY, %08lx) ", arg);
118#endif
119 error = sys_ioctl(fd, TIOCNOTTY, arg);
120 break;
121
122 case 0x00007416: {
123 pid_t pid;
124#ifdef DEBUG_IOCTLS
125 printk("TIOCGSID, %08lx) ", arg);
126#endif
127 old_fs = get_fs(); set_fs(get_ds());
128 error = sys_ioctl(fd, TIOCGSID, (unsigned long)&pid);
129 set_fs(old_fs);
130 if (!error)
131 error = put_user(pid, (unsigned long __user *) arg);
132 break;
133 }
134 case 0x746e:
135 /* TIOCSTART, same effect as hitting ^Q */
136#ifdef DEBUG_IOCTLS
137 printk("TIOCSTART, %08lx) ", arg);
138#endif
139 error = sys_ioctl(fd, TCXONC, TCOON);
140 break;
141
142 case 0x20006968:
143#ifdef DEBUG_IOCTLS
144 printk("SIOCGETLABEL, %08lx) ", arg);
145#endif
146 error = -ENOPKG;
147 break;
148
149 case 0x40047477:
150#ifdef DEBUG_IOCTLS
151 printk("TIOCGPGRP, %08lx) ", arg);
152#endif
153 error = sys_ioctl(fd, TIOCGPGRP, arg);
154#ifdef DEBUG_IOCTLS
155 printk("arg=%d ", *(int *)arg);
156#endif
157 break;
158
159 case 0x40087468:
160#ifdef DEBUG_IOCTLS
161 printk("TIOCGWINSZ, %08lx) ", arg);
162#endif
163 error = sys_ioctl(fd, TIOCGWINSZ, arg);
164 break;
165
166 case 0x8004667e:
167 error = sys_ioctl(fd, FIONBIO, arg);
168 break;
169
170 case 0x80047476:
171 error = sys_ioctl(fd, TIOCSPGRP, arg);
172 break;
173
174 case 0x8020690c:
175 error = sys_ioctl(fd, SIOCSIFADDR, arg);
176 break;
177
178 case 0x80206910:
179 error = sys_ioctl(fd, SIOCSIFFLAGS, arg);
180 break;
181
182 case 0xc0206911:
183 error = sys_ioctl(fd, SIOCGIFFLAGS, arg);
184 break;
185
186 case 0xc020691b:
187 error = sys_ioctl(fd, SIOCGIFMETRIC, arg);
188 break;
189
190 default: {
191#ifdef DEBUG_MISSING_IOCTL
192 char *msg = "Unimplemented IOCTL cmd tell linux-mips@linux-mips.org\n";
193
194#ifdef DEBUG_IOCTLS
195 printk("UNIMP_IOCTL, %08lx)\n", arg);
196#endif
197 old_fs = get_fs(); set_fs(get_ds());
198 sys_write(2, msg, strlen(msg));
199 set_fs(old_fs);
200 printk("[%s:%d] Does unimplemented IRIX ioctl cmd %08lx\n",
201 current->comm, current->pid, cmd);
202 do_exit(255);
203#else
204 error = sys_ioctl(fd, cmd, arg);
205#endif
206 }
207
208 };
209#ifdef DEBUG_IOCTLS
210 printk("error=%d\n", error);
211#endif
212 return error;
213}
diff --git a/arch/mips/kernel/irixsig.c b/arch/mips/kernel/irixsig.c
deleted file mode 100644
index 0215c805a592..000000000000
--- a/arch/mips/kernel/irixsig.c
+++ /dev/null
@@ -1,888 +0,0 @@
1/*
2 * irixsig.c: WHEEE, IRIX signals! YOW, am I compatible or what?!?!
3 *
4 * Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
5 * Copyright (C) 1997 - 2000 Ralf Baechle (ralf@gnu.org)
6 * Copyright (C) 2000 Silicon Graphics, Inc.
7 */
8#include <linux/kernel.h>
9#include <linux/sched.h>
10#include <linux/mm.h>
11#include <linux/errno.h>
12#include <linux/smp.h>
13#include <linux/time.h>
14#include <linux/ptrace.h>
15#include <linux/resource.h>
16
17#include <asm/ptrace.h>
18#include <asm/uaccess.h>
19#include <asm/unistd.h>
20
21#undef DEBUG_SIG
22
23#define _S(nr) (1<<((nr)-1))
24
25#define _BLOCKABLE (~(_S(SIGKILL) | _S(SIGSTOP)))
26
27#define _IRIX_NSIG 128
28#define _IRIX_NSIG_BPW BITS_PER_LONG
29#define _IRIX_NSIG_WORDS (_IRIX_NSIG / _IRIX_NSIG_BPW)
30
31typedef struct {
32 unsigned long sig[_IRIX_NSIG_WORDS];
33} irix_sigset_t;
34
35struct sigctx_irix5 {
36 u32 rmask, cp0_status;
37 u64 pc;
38 u64 regs[32];
39 u64 fpregs[32];
40 u32 usedfp, fpcsr, fpeir, sstk_flags;
41 u64 hi, lo;
42 u64 cp0_cause, cp0_badvaddr, _unused0;
43 irix_sigset_t sigset;
44 u64 weird_fpu_thing;
45 u64 _unused1[31];
46};
47
48#ifdef DEBUG_SIG
49/* Debugging */
50static inline void dump_irix5_sigctx(struct sigctx_irix5 *c)
51{
52 int i;
53
54 printk("misc: rmask[%08lx] status[%08lx] pc[%08lx]\n",
55 (unsigned long) c->rmask,
56 (unsigned long) c->cp0_status,
57 (unsigned long) c->pc);
58 printk("regs: ");
59 for(i = 0; i < 16; i++)
60 printk("[%d]<%08lx> ", i, (unsigned long) c->regs[i]);
61 printk("\nregs: ");
62 for(i = 16; i < 32; i++)
63 printk("[%d]<%08lx> ", i, (unsigned long) c->regs[i]);
64 printk("\nfpregs: ");
65 for(i = 0; i < 16; i++)
66 printk("[%d]<%08lx> ", i, (unsigned long) c->fpregs[i]);
67 printk("\nfpregs: ");
68 for(i = 16; i < 32; i++)
69 printk("[%d]<%08lx> ", i, (unsigned long) c->fpregs[i]);
70 printk("misc: usedfp[%d] fpcsr[%08lx] fpeir[%08lx] stk_flgs[%08lx]\n",
71 (int) c->usedfp, (unsigned long) c->fpcsr,
72 (unsigned long) c->fpeir, (unsigned long) c->sstk_flags);
73 printk("misc: hi[%08lx] lo[%08lx] cause[%08lx] badvaddr[%08lx]\n",
74 (unsigned long) c->hi, (unsigned long) c->lo,
75 (unsigned long) c->cp0_cause, (unsigned long) c->cp0_badvaddr);
76 printk("misc: sigset<0>[%08lx] sigset<1>[%08lx] sigset<2>[%08lx] "
77 "sigset<3>[%08lx]\n", (unsigned long) c->sigset.sig[0],
78 (unsigned long) c->sigset.sig[1],
79 (unsigned long) c->sigset.sig[2],
80 (unsigned long) c->sigset.sig[3]);
81}
82#endif
83
84static int setup_irix_frame(struct k_sigaction *ka, struct pt_regs *regs,
85 int signr, sigset_t *oldmask)
86{
87 struct sigctx_irix5 __user *ctx;
88 unsigned long sp;
89 int error, i;
90
91 sp = regs->regs[29];
92 sp -= sizeof(struct sigctx_irix5);
93 sp &= ~(0xf);
94 ctx = (struct sigctx_irix5 __user *) sp;
95 if (!access_ok(VERIFY_WRITE, ctx, sizeof(*ctx)))
96 goto segv_and_exit;
97
98 error = __put_user(0, &ctx->weird_fpu_thing);
99 error |= __put_user(~(0x00000001), &ctx->rmask);
100 error |= __put_user(0, &ctx->regs[0]);
101 for(i = 1; i < 32; i++)
102 error |= __put_user((u64) regs->regs[i], &ctx->regs[i]);
103
104 error |= __put_user((u64) regs->hi, &ctx->hi);
105 error |= __put_user((u64) regs->lo, &ctx->lo);
106 error |= __put_user((u64) regs->cp0_epc, &ctx->pc);
107 error |= __put_user(!!used_math(), &ctx->usedfp);
108 error |= __put_user((u64) regs->cp0_cause, &ctx->cp0_cause);
109 error |= __put_user((u64) regs->cp0_badvaddr, &ctx->cp0_badvaddr);
110
111 error |= __put_user(0, &ctx->sstk_flags); /* XXX sigstack unimp... todo... */
112
113 error |= __copy_to_user(&ctx->sigset, oldmask, sizeof(irix_sigset_t)) ? -EFAULT : 0;
114
115 if (error)
116 goto segv_and_exit;
117
118#ifdef DEBUG_SIG
119 dump_irix5_sigctx(ctx);
120#endif
121
122 regs->regs[4] = (unsigned long) signr;
123 regs->regs[5] = 0; /* XXX sigcode XXX */
124 regs->regs[6] = regs->regs[29] = sp;
125 regs->regs[7] = (unsigned long) ka->sa.sa_handler;
126 regs->regs[25] = regs->cp0_epc = (unsigned long) ka->sa_restorer;
127
128 return 1;
129
130segv_and_exit:
131 force_sigsegv(signr, current);
132 return 0;
133}
134
135static int inline
136setup_irix_rt_frame(struct k_sigaction * ka, struct pt_regs *regs,
137 int signr, sigset_t *oldmask, siginfo_t *info)
138{
139 printk("Aiee: setup_tr_frame wants to be written");
140 do_exit(SIGSEGV);
141}
142
143static inline int handle_signal(unsigned long sig, siginfo_t *info,
144 struct k_sigaction *ka, sigset_t *oldset, struct pt_regs * regs)
145{
146 int ret;
147
148 switch(regs->regs[0]) {
149 case ERESTARTNOHAND:
150 regs->regs[2] = EINTR;
151 break;
152 case ERESTARTSYS:
153 if(!(ka->sa.sa_flags & SA_RESTART)) {
154 regs->regs[2] = EINTR;
155 break;
156 }
157 /* fallthrough */
158 case ERESTARTNOINTR: /* Userland will reload $v0. */
159 regs->cp0_epc -= 8;
160 }
161
162 regs->regs[0] = 0; /* Don't deal with this again. */
163
164 if (ka->sa.sa_flags & SA_SIGINFO)
165 ret = setup_irix_rt_frame(ka, regs, sig, oldset, info);
166 else
167 ret = setup_irix_frame(ka, regs, sig, oldset);
168
169 spin_lock_irq(&current->sighand->siglock);
170 sigorsets(&current->blocked, &current->blocked, &ka->sa.sa_mask);
171 if (!(ka->sa.sa_flags & SA_NODEFER))
172 sigaddset(&current->blocked, sig);
173 recalc_sigpending();
174 spin_unlock_irq(&current->sighand->siglock);
175
176 return ret;
177}
178
179void do_irix_signal(struct pt_regs *regs)
180{
181 struct k_sigaction ka;
182 siginfo_t info;
183 int signr;
184 sigset_t *oldset;
185
186 /*
187 * We want the common case to go fast, which is why we may in certain
188 * cases get here from kernel mode. Just return without doing anything
189 * if so.
190 */
191 if (!user_mode(regs))
192 return;
193
194 if (test_thread_flag(TIF_RESTORE_SIGMASK))
195 oldset = &current->saved_sigmask;
196 else
197 oldset = &current->blocked;
198
199 signr = get_signal_to_deliver(&info, &ka, regs, NULL);
200 if (signr > 0) {
201 /* Whee! Actually deliver the signal. */
202 if (handle_signal(signr, &info, &ka, oldset, regs) == 0) {
203 /* a signal was successfully delivered; the saved
204 * sigmask will have been stored in the signal frame,
205 * and will be restored by sigreturn, so we can simply
206 * clear the TIF_RESTORE_SIGMASK flag */
207 if (test_thread_flag(TIF_RESTORE_SIGMASK))
208 clear_thread_flag(TIF_RESTORE_SIGMASK);
209 }
210
211 return;
212 }
213
214 /*
215 * Who's code doesn't conform to the restartable syscall convention
216 * dies here!!! The li instruction, a single machine instruction,
217 * must directly be followed by the syscall instruction.
218 */
219 if (regs->regs[0]) {
220 if (regs->regs[2] == ERESTARTNOHAND ||
221 regs->regs[2] == ERESTARTSYS ||
222 regs->regs[2] == ERESTARTNOINTR) {
223 regs->cp0_epc -= 8;
224 }
225 if (regs->regs[2] == ERESTART_RESTARTBLOCK) {
226 regs->regs[2] = __NR_restart_syscall;
227 regs->regs[7] = regs->regs[26];
228 regs->cp0_epc -= 4;
229 }
230 regs->regs[0] = 0; /* Don't deal with this again. */
231 }
232
233 /*
234 * If there's no signal to deliver, we just put the saved sigmask
235 * back
236 */
237 if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
238 clear_thread_flag(TIF_RESTORE_SIGMASK);
239 sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
240 }
241}
242
243asmlinkage void
244irix_sigreturn(struct pt_regs *regs)
245{
246 struct sigctx_irix5 __user *context, *magic;
247 unsigned long umask, mask;
248 u64 *fregs;
249 u32 usedfp;
250 int error, sig, i, base = 0;
251 sigset_t blocked;
252
253 /* Always make any pending restarted system calls return -EINTR */
254 current_thread_info()->restart_block.fn = do_no_restart_syscall;
255
256 if (regs->regs[2] == 1000)
257 base = 1;
258
259 context = (struct sigctx_irix5 __user *) regs->regs[base + 4];
260 magic = (struct sigctx_irix5 __user *) regs->regs[base + 5];
261 sig = (int) regs->regs[base + 6];
262#ifdef DEBUG_SIG
263 printk("[%s:%d] IRIX sigreturn(scp[%p],ucp[%p],sig[%d])\n",
264 current->comm, current->pid, context, magic, sig);
265#endif
266 if (!context)
267 context = magic;
268 if (!access_ok(VERIFY_READ, context, sizeof(struct sigctx_irix5)))
269 goto badframe;
270
271#ifdef DEBUG_SIG
272 dump_irix5_sigctx(context);
273#endif
274
275 error = __get_user(regs->cp0_epc, &context->pc);
276 error |= __get_user(umask, &context->rmask);
277
278 mask = 2;
279 for (i = 1; i < 32; i++, mask <<= 1) {
280 if (umask & mask)
281 error |= __get_user(regs->regs[i], &context->regs[i]);
282 }
283 error |= __get_user(regs->hi, &context->hi);
284 error |= __get_user(regs->lo, &context->lo);
285
286 error |= __get_user(usedfp, &context->usedfp);
287 if ((umask & 1) && usedfp) {
288 fregs = (u64 *) &current->thread.fpu;
289
290 for(i = 0; i < 32; i++)
291 error |= __get_user(fregs[i], &context->fpregs[i]);
292 error |= __get_user(current->thread.fpu.fcr31, &context->fpcsr);
293 }
294
295 /* XXX do sigstack crapola here... XXX */
296
297 error |= __copy_from_user(&blocked, &context->sigset, sizeof(blocked)) ? -EFAULT : 0;
298
299 if (error)
300 goto badframe;
301
302 sigdelsetmask(&blocked, ~_BLOCKABLE);
303 spin_lock_irq(&current->sighand->siglock);
304 current->blocked = blocked;
305 recalc_sigpending();
306 spin_unlock_irq(&current->sighand->siglock);
307
308 /*
309 * Don't let your children do this ...
310 */
311 __asm__ __volatile__(
312 "move\t$29,%0\n\t"
313 "j\tsyscall_exit"
314 :/* no outputs */
315 :"r" (&regs));
316 /* Unreached */
317
318badframe:
319 force_sig(SIGSEGV, current);
320}
321
322struct sigact_irix5 {
323 int flags;
324 void (*handler)(int);
325 u32 sigset[4];
326 int _unused0[2];
327};
328
329#define SIG_SETMASK32 256 /* Goodie from SGI for BSD compatibility:
330 set only the low 32 bit of the sigset. */
331
332#ifdef DEBUG_SIG
333static inline void dump_sigact_irix5(struct sigact_irix5 *p)
334{
335 printk("<f[%d] hndlr[%08lx] msk[%08lx]>", p->flags,
336 (unsigned long) p->handler,
337 (unsigned long) p->sigset[0]);
338}
339#endif
340
341asmlinkage int
342irix_sigaction(int sig, const struct sigaction __user *act,
343 struct sigaction __user *oact, void __user *trampoline)
344{
345 struct k_sigaction new_ka, old_ka;
346 int ret;
347
348#ifdef DEBUG_SIG
349 printk(" (%d,%s,%s,%08lx) ", sig, (!new ? "0" : "NEW"),
350 (!old ? "0" : "OLD"), trampoline);
351 if(new) {
352 dump_sigact_irix5(new); printk(" ");
353 }
354#endif
355 if (act) {
356 sigset_t mask;
357 int err;
358
359 if (!access_ok(VERIFY_READ, act, sizeof(*act)))
360 return -EFAULT;
361 err = __get_user(new_ka.sa.sa_handler, &act->sa_handler);
362 err |= __get_user(new_ka.sa.sa_flags, &act->sa_flags);
363
364 err |= __copy_from_user(&mask, &act->sa_mask, sizeof(sigset_t)) ? -EFAULT : 0;
365 if (err)
366 return err;
367
368 /*
369 * Hmmm... methinks IRIX libc always passes a valid trampoline
370 * value for all invocations of sigaction. Will have to
371 * investigate. POSIX POSIX, die die die...
372 */
373 new_ka.sa_restorer = trampoline;
374 }
375
376/* XXX Implement SIG_SETMASK32 for IRIX compatibility */
377 ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
378
379 if (!ret && oact) {
380 int err;
381
382 if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)))
383 return -EFAULT;
384
385 err = __put_user(old_ka.sa.sa_handler, &oact->sa_handler);
386 err |= __put_user(old_ka.sa.sa_flags, &oact->sa_flags);
387 err |= __copy_to_user(&oact->sa_mask, &old_ka.sa.sa_mask,
388 sizeof(sigset_t)) ? -EFAULT : 0;
389 if (err)
390 return -EFAULT;
391 }
392
393 return ret;
394}
395
396asmlinkage int irix_sigpending(irix_sigset_t __user *set)
397{
398 return do_sigpending(set, sizeof(*set));
399}
400
401asmlinkage int irix_sigprocmask(int how, irix_sigset_t __user *new,
402 irix_sigset_t __user *old)
403{
404 sigset_t oldbits, newbits;
405
406 if (new) {
407 if (!access_ok(VERIFY_READ, new, sizeof(*new)))
408 return -EFAULT;
409 if (__copy_from_user(&newbits, new, sizeof(unsigned long)*4))
410 return -EFAULT;
411 sigdelsetmask(&newbits, ~_BLOCKABLE);
412
413 spin_lock_irq(&current->sighand->siglock);
414 oldbits = current->blocked;
415
416 switch(how) {
417 case 1:
418 sigorsets(&newbits, &oldbits, &newbits);
419 break;
420
421 case 2:
422 sigandsets(&newbits, &oldbits, &newbits);
423 break;
424
425 case 3:
426 break;
427
428 case 256:
429 siginitset(&newbits, newbits.sig[0]);
430 break;
431
432 default:
433 spin_unlock_irq(&current->sighand->siglock);
434 return -EINVAL;
435 }
436 recalc_sigpending();
437 spin_unlock_irq(&current->sighand->siglock);
438 }
439 if (old)
440 return copy_to_user(old, &current->blocked,
441 sizeof(unsigned long)*4) ? -EFAULT : 0;
442
443 return 0;
444}
445
446asmlinkage int irix_sigsuspend(struct pt_regs *regs)
447{
448 sigset_t newset;
449 sigset_t __user *uset;
450
451 uset = (sigset_t __user *) regs->regs[4];
452 if (copy_from_user(&newset, uset, sizeof(sigset_t)))
453 return -EFAULT;
454 sigdelsetmask(&newset, ~_BLOCKABLE);
455
456 spin_lock_irq(&current->sighand->siglock);
457 current->saved_sigmask = current->blocked;
458 current->blocked = newset;
459 recalc_sigpending();
460 spin_unlock_irq(&current->sighand->siglock);
461
462 current->state = TASK_INTERRUPTIBLE;
463 schedule();
464 set_thread_flag(TIF_RESTORE_SIGMASK);
465 return -ERESTARTNOHAND;
466}
467
468/* hate hate hate... */
469struct irix5_siginfo {
470 int sig, code, error;
471 union {
472 char unused[128 - (3 * 4)]; /* Safety net. */
473 struct {
474 int pid;
475 union {
476 int uid;
477 struct {
478 int utime, status, stime;
479 } child;
480 } procdata;
481 } procinfo;
482
483 unsigned long fault_addr;
484
485 struct {
486 int fd;
487 long band;
488 } fileinfo;
489
490 unsigned long sigval;
491 } stuff;
492};
493
494asmlinkage int irix_sigpoll_sys(unsigned long __user *set,
495 struct irix5_siginfo __user *info, struct timespec __user *tp)
496{
497 long expire = MAX_SCHEDULE_TIMEOUT;
498 sigset_t kset;
499 int i, sig, error, timeo = 0;
500 struct timespec ktp;
501
502#ifdef DEBUG_SIG
503 printk("[%s:%d] irix_sigpoll_sys(%p,%p,%p)\n",
504 current->comm, current->pid, set, info, tp);
505#endif
506
507 /* Must always specify the signal set. */
508 if (!set)
509 return -EINVAL;
510
511 if (copy_from_user(&kset, set, sizeof(set)))
512 return -EFAULT;
513
514 if (info && clear_user(info, sizeof(*info))) {
515 error = -EFAULT;
516 goto out;
517 }
518
519 if (tp) {
520 if (copy_from_user(&ktp, tp, sizeof(*tp)))
521 return -EFAULT;
522
523 if (!ktp.tv_sec && !ktp.tv_nsec)
524 return -EINVAL;
525
526 expire = timespec_to_jiffies(&ktp) +
527 (ktp.tv_sec || ktp.tv_nsec);
528 }
529
530 while(1) {
531 long tmp = 0;
532
533 expire = schedule_timeout_interruptible(expire);
534
535 for (i=0; i < _IRIX_NSIG_WORDS; i++)
536 tmp |= (current->pending.signal.sig[i] & kset.sig[i]);
537
538 if (tmp)
539 break;
540 if (!expire) {
541 timeo = 1;
542 break;
543 }
544 if (signal_pending(current))
545 return -EINTR;
546 }
547 if (timeo)
548 return -EAGAIN;
549
550 for (sig = 1; i <= 65 /* IRIX_NSIG */; sig++) {
551 if (sigismember (&kset, sig))
552 continue;
553 if (sigismember (&current->pending.signal, sig)) {
554 /* XXX need more than this... */
555 if (info)
556 return copy_to_user(&info->sig, &sig, sizeof(sig));
557 return 0;
558 }
559 }
560
561 /* Should not get here, but do something sane if we do. */
562 error = -EINTR;
563
564out:
565 return error;
566}
567
568/* This is here because of irix5_siginfo definition. */
569#define IRIX_P_PID 0
570#define IRIX_P_PGID 2
571#define IRIX_P_ALL 7
572
573#define W_EXITED 1
574#define W_TRAPPED 2
575#define W_STOPPED 4
576#define W_CONT 8
577#define W_NOHANG 64
578
579#define W_MASK (W_EXITED | W_TRAPPED | W_STOPPED | W_CONT | W_NOHANG)
580
581asmlinkage int irix_waitsys(int type, int upid,
582 struct irix5_siginfo __user *info, int options,
583 struct rusage __user *ru)
584{
585 struct pid *pid = NULL;
586 int flag, retval;
587 DECLARE_WAITQUEUE(wait, current);
588 struct task_struct *tsk;
589 struct task_struct *p;
590 struct list_head *_p;
591
592 if (!info)
593 return -EINVAL;
594
595 if (!access_ok(VERIFY_WRITE, info, sizeof(*info)))
596 return -EFAULT;
597
598 if (ru)
599 if (!access_ok(VERIFY_WRITE, ru, sizeof(*ru)))
600 return -EFAULT;
601
602 if (options & ~W_MASK)
603 return -EINVAL;
604
605 if (type != IRIX_P_PID && type != IRIX_P_PGID && type != IRIX_P_ALL)
606 return -EINVAL;
607
608 if (type != IRIX_P_ALL)
609 pid = find_get_pid(upid);
610 add_wait_queue(&current->signal->wait_chldexit, &wait);
611repeat:
612 flag = 0;
613 current->state = TASK_INTERRUPTIBLE;
614 read_lock(&tasklist_lock);
615 tsk = current;
616 list_for_each(_p, &tsk->children) {
617 p = list_entry(_p, struct task_struct, sibling);
618 if ((type == IRIX_P_PID) && task_pid(p) != pid)
619 continue;
620 if ((type == IRIX_P_PGID) && task_pgrp(p) != pid)
621 continue;
622 if ((p->exit_signal != SIGCHLD))
623 continue;
624 flag = 1;
625 switch (p->state) {
626 case TASK_STOPPED:
627 if (!p->exit_code)
628 continue;
629 if (!(options & (W_TRAPPED|W_STOPPED)) &&
630 !(p->ptrace & PT_PTRACED))
631 continue;
632 read_unlock(&tasklist_lock);
633
634 /* move to end of parent's list to avoid starvation */
635 write_lock_irq(&tasklist_lock);
636 remove_parent(p);
637 add_parent(p);
638 write_unlock_irq(&tasklist_lock);
639 retval = ru ? getrusage(p, RUSAGE_BOTH, ru) : 0;
640 if (retval)
641 goto end_waitsys;
642
643 retval = __put_user(SIGCHLD, &info->sig);
644 retval |= __put_user(0, &info->code);
645 retval |= __put_user(task_pid_vnr(p), &info->stuff.procinfo.pid);
646 retval |= __put_user((p->exit_code >> 8) & 0xff,
647 &info->stuff.procinfo.procdata.child.status);
648 retval |= __put_user(p->utime, &info->stuff.procinfo.procdata.child.utime);
649 retval |= __put_user(p->stime, &info->stuff.procinfo.procdata.child.stime);
650 if (retval)
651 goto end_waitsys;
652
653 p->exit_code = 0;
654 goto end_waitsys;
655
656 case EXIT_ZOMBIE:
657 current->signal->cutime += p->utime + p->signal->cutime;
658 current->signal->cstime += p->stime + p->signal->cstime;
659 if (ru != NULL)
660 getrusage(p, RUSAGE_BOTH, ru);
661 retval = __put_user(SIGCHLD, &info->sig);
662 retval |= __put_user(1, &info->code); /* CLD_EXITED */
663 retval |= __put_user(task_pid_vnr(p), &info->stuff.procinfo.pid);
664 retval |= __put_user((p->exit_code >> 8) & 0xff,
665 &info->stuff.procinfo.procdata.child.status);
666 retval |= __put_user(p->utime,
667 &info->stuff.procinfo.procdata.child.utime);
668 retval |= __put_user(p->stime,
669 &info->stuff.procinfo.procdata.child.stime);
670 if (retval)
671 goto end_waitsys;
672
673 if (p->real_parent != p->parent) {
674 write_lock_irq(&tasklist_lock);
675 remove_parent(p);
676 p->parent = p->real_parent;
677 add_parent(p);
678 do_notify_parent(p, SIGCHLD);
679 write_unlock_irq(&tasklist_lock);
680 } else
681 release_task(p);
682 goto end_waitsys;
683 default:
684 continue;
685 }
686 tsk = next_thread(tsk);
687 }
688 read_unlock(&tasklist_lock);
689 if (flag) {
690 retval = 0;
691 if (options & W_NOHANG)
692 goto end_waitsys;
693 retval = -ERESTARTSYS;
694 if (signal_pending(current))
695 goto end_waitsys;
696 current->state = TASK_INTERRUPTIBLE;
697 schedule();
698 goto repeat;
699 }
700 retval = -ECHILD;
701end_waitsys:
702 current->state = TASK_RUNNING;
703 remove_wait_queue(&current->signal->wait_chldexit, &wait);
704 put_pid(pid);
705
706 return retval;
707}
708
709struct irix5_context {
710 u32 flags;
711 u32 link;
712 u32 sigmask[4];
713 struct { u32 sp, size, flags; } stack;
714 int regs[36];
715 u32 fpregs[32];
716 u32 fpcsr;
717 u32 _unused0;
718 u32 _unused1[47];
719 u32 weird_graphics_thing;
720};
721
722asmlinkage int irix_getcontext(struct pt_regs *regs)
723{
724 int error, i, base = 0;
725 struct irix5_context __user *ctx;
726 unsigned long flags;
727
728 if (regs->regs[2] == 1000)
729 base = 1;
730 ctx = (struct irix5_context __user *) regs->regs[base + 4];
731
732#ifdef DEBUG_SIG
733 printk("[%s:%d] irix_getcontext(%p)\n",
734 current->comm, current->pid, ctx);
735#endif
736
737 if (!access_ok(VERIFY_WRITE, ctx, sizeof(*ctx)))
738 return -EFAULT;
739
740 error = __put_user(current->thread.irix_oldctx, &ctx->link);
741
742 error |= __copy_to_user(&ctx->sigmask, &current->blocked, sizeof(irix_sigset_t)) ? -EFAULT : 0;
743
744 /* XXX Do sigstack stuff someday... */
745 error |= __put_user(0, &ctx->stack.sp);
746 error |= __put_user(0, &ctx->stack.size);
747 error |= __put_user(0, &ctx->stack.flags);
748
749 error |= __put_user(0, &ctx->weird_graphics_thing);
750 error |= __put_user(0, &ctx->regs[0]);
751 for (i = 1; i < 32; i++)
752 error |= __put_user(regs->regs[i], &ctx->regs[i]);
753 error |= __put_user(regs->lo, &ctx->regs[32]);
754 error |= __put_user(regs->hi, &ctx->regs[33]);
755 error |= __put_user(regs->cp0_cause, &ctx->regs[34]);
756 error |= __put_user(regs->cp0_epc, &ctx->regs[35]);
757
758 flags = 0x0f;
759 if (!used_math()) {
760 flags &= ~(0x08);
761 } else {
762 /* XXX wheee... */
763 printk("Wheee, no code for saving IRIX FPU context yet.\n");
764 }
765 error |= __put_user(flags, &ctx->flags);
766
767 return error;
768}
769
770asmlinkage void irix_setcontext(struct pt_regs *regs)
771{
772 struct irix5_context __user *ctx;
773 int err, base = 0;
774 u32 flags;
775
776 if (regs->regs[2] == 1000)
777 base = 1;
778 ctx = (struct irix5_context __user *) regs->regs[base + 4];
779
780#ifdef DEBUG_SIG
781 printk("[%s:%d] irix_setcontext(%p)\n",
782 current->comm, current->pid, ctx);
783#endif
784
785 if (!access_ok(VERIFY_READ, ctx, sizeof(*ctx)))
786 goto segv_and_exit;
787
788 err = __get_user(flags, &ctx->flags);
789 if (flags & 0x02) {
790 /* XXX sigstack garbage, todo... */
791 printk("Wheee, cannot do sigstack stuff in setcontext\n");
792 }
793
794 if (flags & 0x04) {
795 int i;
796
797 /* XXX extra control block stuff... todo... */
798 for (i = 1; i < 32; i++)
799 err |= __get_user(regs->regs[i], &ctx->regs[i]);
800 err |= __get_user(regs->lo, &ctx->regs[32]);
801 err |= __get_user(regs->hi, &ctx->regs[33]);
802 err |= __get_user(regs->cp0_epc, &ctx->regs[35]);
803 }
804
805 if (flags & 0x08)
806 /* XXX fpu context, blah... */
807 printk(KERN_ERR "Wheee, cannot restore FPU context yet...\n");
808
809 err |= __get_user(current->thread.irix_oldctx, &ctx->link);
810 if (err)
811 goto segv_and_exit;
812
813 /*
814 * Don't let your children do this ...
815 */
816 __asm__ __volatile__(
817 "move\t$29,%0\n\t"
818 "j\tsyscall_exit"
819 :/* no outputs */
820 :"r" (&regs));
821 /* Unreached */
822
823segv_and_exit:
824 force_sigsegv(SIGSEGV, current);
825}
826
827struct irix_sigstack {
828 unsigned long sp;
829 int status;
830};
831
832asmlinkage int irix_sigstack(struct irix_sigstack __user *new,
833 struct irix_sigstack __user *old)
834{
835#ifdef DEBUG_SIG
836 printk("[%s:%d] irix_sigstack(%p,%p)\n",
837 current->comm, current->pid, new, old);
838#endif
839 if (new) {
840 if (!access_ok(VERIFY_READ, new, sizeof(*new)))
841 return -EFAULT;
842 }
843
844 if (old) {
845 if (!access_ok(VERIFY_WRITE, old, sizeof(*old)))
846 return -EFAULT;
847 }
848
849 return 0;
850}
851
852struct irix_sigaltstack { unsigned long sp; int size; int status; };
853
854asmlinkage int irix_sigaltstack(struct irix_sigaltstack __user *new,
855 struct irix_sigaltstack __user *old)
856{
857#ifdef DEBUG_SIG
858 printk("[%s:%d] irix_sigaltstack(%p,%p)\n",
859 current->comm, current->pid, new, old);
860#endif
861 if (new)
862 if (!access_ok(VERIFY_READ, new, sizeof(*new)))
863 return -EFAULT;
864
865 if (old) {
866 if (!access_ok(VERIFY_WRITE, old, sizeof(*old)))
867 return -EFAULT;
868 }
869
870 return 0;
871}
872
873struct irix_procset {
874 int cmd, ltype, lid, rtype, rid;
875};
876
877asmlinkage int irix_sigsendset(struct irix_procset __user *pset, int sig)
878{
879 if (!access_ok(VERIFY_READ, pset, sizeof(*pset)))
880 return -EFAULT;
881#ifdef DEBUG_SIG
882 printk("[%s:%d] irix_sigsendset([%d,%d,%d,%d,%d],%d)\n",
883 current->comm, current->pid,
884 pset->cmd, pset->ltype, pset->lid, pset->rtype, pset->rid,
885 sig);
886#endif
887 return -EINVAL;
888}
diff --git a/arch/mips/kernel/irq-rm9000.c b/arch/mips/kernel/irq-rm9000.c
index ed9febe63d72..b47e4615ec12 100644
--- a/arch/mips/kernel/irq-rm9000.c
+++ b/arch/mips/kernel/irq-rm9000.c
@@ -49,7 +49,7 @@ static void local_rm9k_perfcounter_irq_startup(void *args)
49 49
50static unsigned int rm9k_perfcounter_irq_startup(unsigned int irq) 50static unsigned int rm9k_perfcounter_irq_startup(unsigned int irq)
51{ 51{
52 on_each_cpu(local_rm9k_perfcounter_irq_startup, (void *) irq, 0, 1); 52 on_each_cpu(local_rm9k_perfcounter_irq_startup, (void *) irq, 1);
53 53
54 return 0; 54 return 0;
55} 55}
@@ -66,7 +66,7 @@ static void local_rm9k_perfcounter_irq_shutdown(void *args)
66 66
67static void rm9k_perfcounter_irq_shutdown(unsigned int irq) 67static void rm9k_perfcounter_irq_shutdown(unsigned int irq)
68{ 68{
69 on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 0, 1); 69 on_each_cpu(local_rm9k_perfcounter_irq_shutdown, (void *) irq, 1);
70} 70}
71 71
72static struct irq_chip rm9k_irq_controller = { 72static struct irq_chip rm9k_irq_controller = {
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index e3309ff9ece4..6045b9a51a35 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -44,8 +44,6 @@ again:
44 return irq; 44 return irq;
45} 45}
46 46
47EXPORT_SYMBOL_GPL(allocate_irqno);
48
49/* 47/*
50 * Allocate the 16 legacy interrupts for i8259 devices. This happens early 48 * Allocate the 16 legacy interrupts for i8259 devices. This happens early
51 * in the kernel initialization so treating allocation failure as BUG() is 49 * in the kernel initialization so treating allocation failure as BUG() is
@@ -66,8 +64,6 @@ void free_irqno(unsigned int irq)
66 smp_mb__after_clear_bit(); 64 smp_mb__after_clear_bit();
67} 65}
68 66
69EXPORT_SYMBOL_GPL(free_irqno);
70
71/* 67/*
72 * 'what should we do if we get a hw irq event on an illegal vector'. 68 * 'what should we do if we get a hw irq event on an illegal vector'.
73 * each architecture has to answer this themselves. 69 * each architecture has to answer this themselves.
diff --git a/arch/mips/kernel/mips-mt.c b/arch/mips/kernel/mips-mt.c
index 640fb0cc6e39..d01665a453f5 100644
--- a/arch/mips/kernel/mips-mt.c
+++ b/arch/mips/kernel/mips-mt.c
@@ -4,7 +4,6 @@
4 */ 4 */
5 5
6#include <linux/device.h> 6#include <linux/device.h>
7#include <linux/kallsyms.h>
8#include <linux/kernel.h> 7#include <linux/kernel.h>
9#include <linux/sched.h> 8#include <linux/sched.h>
10#include <linux/module.h> 9#include <linux/module.h>
@@ -84,9 +83,9 @@ void mips_mt_regdump(unsigned long mvpctl)
84 read_vpe_c0_vpeconf0()); 83 read_vpe_c0_vpeconf0());
85 printk(" VPE%d.Status : %08lx\n", 84 printk(" VPE%d.Status : %08lx\n",
86 i, read_vpe_c0_status()); 85 i, read_vpe_c0_status());
87 printk(" VPE%d.EPC : %08lx ", 86 printk(" VPE%d.EPC : %08lx %pS\n",
88 i, read_vpe_c0_epc()); 87 i, read_vpe_c0_epc(),
89 print_symbol("%s\n", read_vpe_c0_epc()); 88 (void *) read_vpe_c0_epc());
90 printk(" VPE%d.Cause : %08lx\n", 89 printk(" VPE%d.Cause : %08lx\n",
91 i, read_vpe_c0_cause()); 90 i, read_vpe_c0_cause());
92 printk(" VPE%d.Config7 : %08lx\n", 91 printk(" VPE%d.Config7 : %08lx\n",
@@ -111,8 +110,8 @@ void mips_mt_regdump(unsigned long mvpctl)
111 } 110 }
112 printk(" TCStatus : %08lx\n", tcstatval); 111 printk(" TCStatus : %08lx\n", tcstatval);
113 printk(" TCBind : %08lx\n", read_tc_c0_tcbind()); 112 printk(" TCBind : %08lx\n", read_tc_c0_tcbind());
114 printk(" TCRestart : %08lx ", read_tc_c0_tcrestart()); 113 printk(" TCRestart : %08lx %pS\n",
115 print_symbol("%s\n", read_tc_c0_tcrestart()); 114 read_tc_c0_tcrestart(), (void *) read_tc_c0_tcrestart());
116 printk(" TCHalt : %08lx\n", haltval); 115 printk(" TCHalt : %08lx\n", haltval);
117 printk(" TCContext : %08lx\n", read_tc_c0_tccontext()); 116 printk(" TCContext : %08lx\n", read_tc_c0_tccontext());
118 if (!haltval) 117 if (!haltval)
diff --git a/arch/mips/kernel/process.c b/arch/mips/kernel/process.c
index 2c09a442e5e5..c06f5b5d764c 100644
--- a/arch/mips/kernel/process.c
+++ b/arch/mips/kernel/process.c
@@ -125,13 +125,6 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
125 *childregs = *regs; 125 *childregs = *regs;
126 childregs->regs[7] = 0; /* Clear error flag */ 126 childregs->regs[7] = 0; /* Clear error flag */
127 127
128#if defined(CONFIG_BINFMT_IRIX)
129 if (current->personality != PER_LINUX) {
130 /* Under IRIX things are a little different. */
131 childregs->regs[3] = 1;
132 regs->regs[3] = 0;
133 }
134#endif
135 childregs->regs[2] = 0; /* Child gets zero as return value */ 128 childregs->regs[2] = 0; /* Child gets zero as return value */
136 regs->regs[2] = p->pid; 129 regs->regs[2] = p->pid;
137 130
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 08a9c5070ea8..c058c0b61a2a 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -34,12 +34,8 @@ NESTED(handle_sys, PT_SIZE, sp)
34 34
35 lw t1, PT_EPC(sp) # skip syscall on return 35 lw t1, PT_EPC(sp) # skip syscall on return
36 36
37#if defined(CONFIG_BINFMT_IRIX)
38 sltiu t0, v0, MAX_SYSCALL_NO + 1 # check syscall number
39#else
40 subu v0, v0, __NR_O32_Linux # check syscall number 37 subu v0, v0, __NR_O32_Linux # check syscall number
41 sltiu t0, v0, __NR_O32_Linux_syscalls + 1 38 sltiu t0, v0, __NR_O32_Linux_syscalls + 1
42#endif
43 addiu t1, 4 # skip to next instruction 39 addiu t1, 4 # skip to next instruction
44 sw t1, PT_EPC(sp) 40 sw t1, PT_EPC(sp)
45 beqz t0, illegal_syscall 41 beqz t0, illegal_syscall
@@ -264,22 +260,14 @@ bad_alignment:
264 END(sys_sysmips) 260 END(sys_sysmips)
265 261
266 LEAF(sys_syscall) 262 LEAF(sys_syscall)
267#if defined(CONFIG_BINFMT_IRIX)
268 sltiu v0, a0, MAX_SYSCALL_NO + 1 # check syscall number
269#else
270 subu t0, a0, __NR_O32_Linux # check syscall number 263 subu t0, a0, __NR_O32_Linux # check syscall number
271 sltiu v0, t0, __NR_O32_Linux_syscalls + 1 264 sltiu v0, t0, __NR_O32_Linux_syscalls + 1
272#endif
273 sll t1, t0, 3 265 sll t1, t0, 3
274 beqz v0, einval 266 beqz v0, einval
275 267
276 lw t2, sys_call_table(t1) # syscall routine 268 lw t2, sys_call_table(t1) # syscall routine
277 269
278#if defined(CONFIG_BINFMT_IRIX)
279 li v1, 4000 # nr of sys_syscall
280#else
281 li v1, 4000 - __NR_O32_Linux # index of sys_syscall 270 li v1, 4000 - __NR_O32_Linux # index of sys_syscall
282#endif
283 beq t0, v1, einval # do not recurse 271 beq t0, v1, einval # do not recurse
284 272
285 /* Some syscalls like execve get their arguments from struct pt_regs 273 /* Some syscalls like execve get their arguments from struct pt_regs
@@ -324,13 +312,6 @@ einval: li v0, -EINVAL
324 .endm 312 .endm
325 313
326 .macro syscalltable 314 .macro syscalltable
327#if defined(CONFIG_BINFMT_IRIX)
328 mille sys_ni_syscall 0 /* 0 - 999 SVR4 flavour */
329 mille sys_ni_syscall 0 /* 1000 - 1999 32-bit IRIX */
330 mille sys_ni_syscall 0 /* 2000 - 2999 BSD43 flavour */
331 mille sys_ni_syscall 0 /* 3000 - 3999 POSIX flavour */
332#endif
333
334 sys sys_syscall 8 /* 4000 */ 315 sys sys_syscall 8 /* 4000 */
335 sys sys_exit 1 316 sys sys_exit 1
336 sys sys_fork 0 317 sys sys_fork 0
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index c6a063b2a0d9..8af84867e74d 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -68,13 +68,6 @@ static char command_line[CL_SIZE];
68const unsigned long mips_io_port_base __read_mostly = -1; 68const unsigned long mips_io_port_base __read_mostly = -1;
69EXPORT_SYMBOL(mips_io_port_base); 69EXPORT_SYMBOL(mips_io_port_base);
70 70
71/*
72 * isa_slot_offset is the address where E(ISA) busaddress 0 is mapped
73 * for the processor.
74 */
75unsigned long isa_slot_offset;
76EXPORT_SYMBOL(isa_slot_offset);
77
78static struct resource code_resource = { .name = "Kernel code", }; 71static struct resource code_resource = { .name = "Kernel code", };
79static struct resource data_resource = { .name = "Kernel data", }; 72static struct resource data_resource = { .name = "Kernel data", };
80 73
@@ -557,11 +550,7 @@ void __init setup_arch(char **cmdline_p)
557 prom_init(); 550 prom_init();
558 551
559#ifdef CONFIG_EARLY_PRINTK 552#ifdef CONFIG_EARLY_PRINTK
560 { 553 setup_early_printk();
561 extern void setup_early_printk(void);
562
563 setup_early_printk();
564 }
565#endif 554#endif
566 cpu_report(); 555 cpu_report();
567 check_bugs_early(); 556 check_bugs_early();
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index cdf87a9dd4ba..4410f172b8ab 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -131,148 +131,29 @@ asmlinkage __cpuinit void start_secondary(void)
131 cpu_idle(); 131 cpu_idle();
132} 132}
133 133
134DEFINE_SPINLOCK(smp_call_lock); 134void arch_send_call_function_ipi(cpumask_t mask)
135
136struct call_data_struct *call_data;
137
138/*
139 * Run a function on all other CPUs.
140 *
141 * <mask> cpuset_t of all processors to run the function on.
142 * <func> The function to run. This must be fast and non-blocking.
143 * <info> An arbitrary pointer to pass to the function.
144 * <retry> If true, keep retrying until ready.
145 * <wait> If true, wait until function has completed on other CPUs.
146 * [RETURNS] 0 on success, else a negative status code.
147 *
148 * Does not return until remote CPUs are nearly ready to execute <func>
149 * or are or have executed.
150 *
151 * You must not call this function with disabled interrupts or from a
152 * hardware interrupt handler or from a bottom half handler:
153 *
154 * CPU A CPU B
155 * Disable interrupts
156 * smp_call_function()
157 * Take call_lock
158 * Send IPIs
159 * Wait for all cpus to acknowledge IPI
160 * CPU A has not responded, spin waiting
161 * for cpu A to respond, holding call_lock
162 * smp_call_function()
163 * Spin waiting for call_lock
164 * Deadlock Deadlock
165 */
166int smp_call_function_mask(cpumask_t mask, void (*func) (void *info),
167 void *info, int retry, int wait)
168{ 135{
169 struct call_data_struct data;
170 int cpu = smp_processor_id();
171 int cpus;
172
173 /*
174 * Can die spectacularly if this CPU isn't yet marked online
175 */
176 BUG_ON(!cpu_online(cpu));
177
178 cpu_clear(cpu, mask);
179 cpus = cpus_weight(mask);
180 if (!cpus)
181 return 0;
182
183 /* Can deadlock when called with interrupts disabled */
184 WARN_ON(irqs_disabled());
185
186 data.func = func;
187 data.info = info;
188 atomic_set(&data.started, 0);
189 data.wait = wait;
190 if (wait)
191 atomic_set(&data.finished, 0);
192
193 spin_lock(&smp_call_lock);
194 call_data = &data;
195 smp_mb();
196
197 /* Send a message to all other CPUs and wait for them to respond */
198 mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION); 136 mp_ops->send_ipi_mask(mask, SMP_CALL_FUNCTION);
199
200 /* Wait for response */
201 /* FIXME: lock-up detection, backtrace on lock-up */
202 while (atomic_read(&data.started) != cpus)
203 barrier();
204
205 if (wait)
206 while (atomic_read(&data.finished) != cpus)
207 barrier();
208 call_data = NULL;
209 spin_unlock(&smp_call_lock);
210
211 return 0;
212} 137}
213 138
214int smp_call_function(void (*func) (void *info), void *info, int retry, 139/*
215 int wait) 140 * We reuse the same vector for the single IPI
141 */
142void arch_send_call_function_single_ipi(int cpu)
216{ 143{
217 return smp_call_function_mask(cpu_online_map, func, info, retry, wait); 144 mp_ops->send_ipi_mask(cpumask_of_cpu(cpu), SMP_CALL_FUNCTION);
218} 145}
219EXPORT_SYMBOL(smp_call_function);
220 146
147/*
148 * Call into both interrupt handlers, as we share the IPI for them
149 */
221void smp_call_function_interrupt(void) 150void smp_call_function_interrupt(void)
222{ 151{
223 void (*func) (void *info) = call_data->func;
224 void *info = call_data->info;
225 int wait = call_data->wait;
226
227 /*
228 * Notify initiating CPU that I've grabbed the data and am
229 * about to execute the function.
230 */
231 smp_mb();
232 atomic_inc(&call_data->started);
233
234 /*
235 * At this point the info structure may be out of scope unless wait==1.
236 */
237 irq_enter(); 152 irq_enter();
238 (*func)(info); 153 generic_smp_call_function_single_interrupt();
154 generic_smp_call_function_interrupt();
239 irq_exit(); 155 irq_exit();
240
241 if (wait) {
242 smp_mb();
243 atomic_inc(&call_data->finished);
244 }
245}
246
247int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
248 int retry, int wait)
249{
250 int ret, me;
251
252 /*
253 * Can die spectacularly if this CPU isn't yet marked online
254 */
255 if (!cpu_online(cpu))
256 return 0;
257
258 me = get_cpu();
259 BUG_ON(!cpu_online(me));
260
261 if (cpu == me) {
262 local_irq_disable();
263 func(info);
264 local_irq_enable();
265 put_cpu();
266 return 0;
267 }
268
269 ret = smp_call_function_mask(cpumask_of_cpu(cpu), func, info, retry,
270 wait);
271
272 put_cpu();
273 return 0;
274} 156}
275EXPORT_SYMBOL(smp_call_function_single);
276 157
277static void stop_this_cpu(void *dummy) 158static void stop_this_cpu(void *dummy)
278{ 159{
@@ -286,7 +167,7 @@ static void stop_this_cpu(void *dummy)
286 167
287void smp_send_stop(void) 168void smp_send_stop(void)
288{ 169{
289 smp_call_function(stop_this_cpu, NULL, 1, 0); 170 smp_call_function(stop_this_cpu, NULL, 0);
290} 171}
291 172
292void __init smp_cpus_done(unsigned int max_cpus) 173void __init smp_cpus_done(unsigned int max_cpus)
@@ -365,7 +246,7 @@ static void flush_tlb_all_ipi(void *info)
365 246
366void flush_tlb_all(void) 247void flush_tlb_all(void)
367{ 248{
368 on_each_cpu(flush_tlb_all_ipi, NULL, 1, 1); 249 on_each_cpu(flush_tlb_all_ipi, NULL, 1);
369} 250}
370 251
371static void flush_tlb_mm_ipi(void *mm) 252static void flush_tlb_mm_ipi(void *mm)
@@ -385,7 +266,7 @@ static void flush_tlb_mm_ipi(void *mm)
385static inline void smp_on_other_tlbs(void (*func) (void *info), void *info) 266static inline void smp_on_other_tlbs(void (*func) (void *info), void *info)
386{ 267{
387#ifndef CONFIG_MIPS_MT_SMTC 268#ifndef CONFIG_MIPS_MT_SMTC
388 smp_call_function(func, info, 1, 1); 269 smp_call_function(func, info, 1);
389#endif 270#endif
390} 271}
391 272
@@ -485,7 +366,7 @@ void flush_tlb_kernel_range(unsigned long start, unsigned long end)
485 .addr2 = end, 366 .addr2 = end,
486 }; 367 };
487 368
488 on_each_cpu(flush_tlb_kernel_range_ipi, &fd, 1, 1); 369 on_each_cpu(flush_tlb_kernel_range_ipi, &fd, 1);
489} 370}
490 371
491static void flush_tlb_page_ipi(void *info) 372static void flush_tlb_page_ipi(void *info)
diff --git a/arch/mips/kernel/smtc.c b/arch/mips/kernel/smtc.c
index 3e863186cd22..a516286532ab 100644
--- a/arch/mips/kernel/smtc.c
+++ b/arch/mips/kernel/smtc.c
@@ -877,7 +877,6 @@ static void ipi_resched_interrupt(void)
877 /* Return from interrupt should be enough to cause scheduler check */ 877 /* Return from interrupt should be enough to cause scheduler check */
878} 878}
879 879
880
881static void ipi_call_interrupt(void) 880static void ipi_call_interrupt(void)
882{ 881{
883 /* Invoke generic function invocation code in smp.c */ 882 /* Invoke generic function invocation code in smp.c */
diff --git a/arch/mips/kernel/stacktrace.c b/arch/mips/kernel/stacktrace.c
index ebd9db8d1ece..5eb4681a73d2 100644
--- a/arch/mips/kernel/stacktrace.c
+++ b/arch/mips/kernel/stacktrace.c
@@ -73,3 +73,4 @@ void save_stack_trace(struct stack_trace *trace)
73 prepare_frametrace(regs); 73 prepare_frametrace(regs);
74 save_context_stack(trace, regs); 74 save_context_stack(trace, regs);
75} 75}
76EXPORT_SYMBOL_GPL(save_stack_trace);
diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
deleted file mode 100644
index c357762b8012..000000000000
--- a/arch/mips/kernel/sysirix.c
+++ /dev/null
@@ -1,2140 +0,0 @@
1/*
2 * sysirix.c: IRIX system call emulation.
3 *
4 * Copyright (C) 1996 David S. Miller
5 * Copyright (C) 1997 Miguel de Icaza
6 * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle
7 */
8#include <linux/kernel.h>
9#include <linux/sched.h>
10#include <linux/binfmts.h>
11#include <linux/capability.h>
12#include <linux/highuid.h>
13#include <linux/pagemap.h>
14#include <linux/mm.h>
15#include <linux/mman.h>
16#include <linux/slab.h>
17#include <linux/swap.h>
18#include <linux/errno.h>
19#include <linux/time.h>
20#include <linux/timex.h>
21#include <linux/times.h>
22#include <linux/elf.h>
23#include <linux/msg.h>
24#include <linux/shm.h>
25#include <linux/smp.h>
26#include <linux/smp_lock.h>
27#include <linux/utsname.h>
28#include <linux/file.h>
29#include <linux/vfs.h>
30#include <linux/namei.h>
31#include <linux/socket.h>
32#include <linux/security.h>
33#include <linux/syscalls.h>
34#include <linux/resource.h>
35
36#include <asm/ptrace.h>
37#include <asm/page.h>
38#include <asm/uaccess.h>
39#include <asm/inventory.h>
40
41/* 2,191 lines of complete and utter shit coming up... */
42
43extern int max_threads;
44
45/* The sysmp commands supported thus far. */
46#define MP_NPROCS 1 /* # processor in complex */
47#define MP_NAPROCS 2 /* # active processors in complex */
48#define MP_PGSIZE 14 /* Return system page size in v1. */
49
50asmlinkage int irix_sysmp(struct pt_regs *regs)
51{
52 unsigned long cmd;
53 int base = 0;
54 int error = 0;
55
56 if(regs->regs[2] == 1000)
57 base = 1;
58 cmd = regs->regs[base + 4];
59 switch(cmd) {
60 case MP_PGSIZE:
61 error = PAGE_SIZE;
62 break;
63 case MP_NPROCS:
64 case MP_NAPROCS:
65 error = num_online_cpus();
66 break;
67 default:
68 printk("SYSMP[%s:%d]: Unsupported opcode %d\n",
69 current->comm, current->pid, (int)cmd);
70 error = -EINVAL;
71 break;
72 }
73
74 return error;
75}
76
77/* The prctl commands. */
78#define PR_MAXPROCS 1 /* Tasks/user. */
79#define PR_ISBLOCKED 2 /* If blocked, return 1. */
80#define PR_SETSTACKSIZE 3 /* Set largest task stack size. */
81#define PR_GETSTACKSIZE 4 /* Get largest task stack size. */
82#define PR_MAXPPROCS 5 /* Num parallel tasks. */
83#define PR_UNBLKONEXEC 6 /* When task exec/exit's, unblock. */
84#define PR_SETEXITSIG 8 /* When task exit's, set signal. */
85#define PR_RESIDENT 9 /* Make task unswappable. */
86#define PR_ATTACHADDR 10 /* (Re-)Connect a vma to a task. */
87#define PR_DETACHADDR 11 /* Disconnect a vma from a task. */
88#define PR_TERMCHILD 12 /* Kill child if the parent dies. */
89#define PR_GETSHMASK 13 /* Get the sproc() share mask. */
90#define PR_GETNSHARE 14 /* Number of share group members. */
91#define PR_COREPID 15 /* Add task pid to name when it core. */
92#define PR_ATTACHADDRPERM 16 /* (Re-)Connect vma, with specified prot. */
93#define PR_PTHREADEXIT 17 /* Kill a pthread, only for IRIX 6.[234] */
94
95asmlinkage int irix_prctl(unsigned option, ...)
96{
97 va_list args;
98 int error = 0;
99
100 va_start(args, option);
101 switch (option) {
102 case PR_MAXPROCS:
103 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
104 current->comm, current->pid);
105 error = max_threads;
106 break;
107
108 case PR_ISBLOCKED: {
109 struct task_struct *task;
110
111 printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n",
112 current->comm, current->pid);
113 read_lock(&tasklist_lock);
114 task = find_task_by_vpid(va_arg(args, pid_t));
115 error = -ESRCH;
116 if (error)
117 error = (task->run_list.next != NULL);
118 read_unlock(&tasklist_lock);
119 /* Can _your_ OS find this out that fast? */
120 break;
121 }
122
123 case PR_SETSTACKSIZE: {
124 long value = va_arg(args, long);
125
126 printk("irix_prctl[%s:%d]: Wants PR_SETSTACKSIZE<%08lx>\n",
127 current->comm, current->pid, (unsigned long) value);
128 if (value > RLIM_INFINITY)
129 value = RLIM_INFINITY;
130 if (capable(CAP_SYS_ADMIN)) {
131 task_lock(current->group_leader);
132 current->signal->rlim[RLIMIT_STACK].rlim_max =
133 current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
134 task_unlock(current->group_leader);
135 error = value;
136 break;
137 }
138 task_lock(current->group_leader);
139 if (value > current->signal->rlim[RLIMIT_STACK].rlim_max) {
140 error = -EINVAL;
141 task_unlock(current->group_leader);
142 break;
143 }
144 current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
145 task_unlock(current->group_leader);
146 error = value;
147 break;
148 }
149
150 case PR_GETSTACKSIZE:
151 printk("irix_prctl[%s:%d]: Wants PR_GETSTACKSIZE\n",
152 current->comm, current->pid);
153 error = current->signal->rlim[RLIMIT_STACK].rlim_cur;
154 break;
155
156 case PR_MAXPPROCS:
157 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
158 current->comm, current->pid);
159 error = 1;
160 break;
161
162 case PR_UNBLKONEXEC:
163 printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n",
164 current->comm, current->pid);
165 error = -EINVAL;
166 break;
167
168 case PR_SETEXITSIG:
169 printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n",
170 current->comm, current->pid);
171
172 /* We can probably play some game where we set the task
173 * exit_code to some non-zero value when this is requested,
174 * and check whether exit_code is already set in do_exit().
175 */
176 error = -EINVAL;
177 break;
178
179 case PR_RESIDENT:
180 printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n",
181 current->comm, current->pid);
182 error = 0; /* Compatibility indeed. */
183 break;
184
185 case PR_ATTACHADDR:
186 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n",
187 current->comm, current->pid);
188 error = -EINVAL;
189 break;
190
191 case PR_DETACHADDR:
192 printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n",
193 current->comm, current->pid);
194 error = -EINVAL;
195 break;
196
197 case PR_TERMCHILD:
198 printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n",
199 current->comm, current->pid);
200 error = -EINVAL;
201 break;
202
203 case PR_GETSHMASK:
204 printk("irix_prctl[%s:%d]: Wants PR_GETSHMASK\n",
205 current->comm, current->pid);
206 error = -EINVAL; /* Until I have the sproc() stuff in. */
207 break;
208
209 case PR_GETNSHARE:
210 error = 0; /* Until I have the sproc() stuff in. */
211 break;
212
213 case PR_COREPID:
214 printk("irix_prctl[%s:%d]: Wants PR_COREPID\n",
215 current->comm, current->pid);
216 error = -EINVAL;
217 break;
218
219 case PR_ATTACHADDRPERM:
220 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n",
221 current->comm, current->pid);
222 error = -EINVAL;
223 break;
224
225 default:
226 printk("irix_prctl[%s:%d]: Non-existant opcode %d\n",
227 current->comm, current->pid, option);
228 error = -EINVAL;
229 break;
230 }
231 va_end(args);
232
233 return error;
234}
235
236#undef DEBUG_PROCGRPS
237
238extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt);
239extern char *prom_getenv(char *name);
240extern long prom_setenv(char *name, char *value);
241
242/* The syssgi commands supported thus far. */
243#define SGI_SYSID 1 /* Return unique per-machine identifier. */
244#define SGI_INVENT 5 /* Fetch inventory */
245# define SGI_INV_SIZEOF 1
246# define SGI_INV_READ 2
247#define SGI_RDNAME 6 /* Return string name of a process. */
248#define SGI_SETNVRAM 8 /* Set PROM variable. */
249#define SGI_GETNVRAM 9 /* Get PROM variable. */
250#define SGI_SETPGID 21 /* Set process group id. */
251#define SGI_SYSCONF 22 /* POSIX sysconf garbage. */
252#define SGI_PATHCONF 24 /* POSIX sysconf garbage. */
253#define SGI_SETGROUPS 40 /* POSIX sysconf garbage. */
254#define SGI_GETGROUPS 41 /* POSIX sysconf garbage. */
255#define SGI_RUSAGE 56 /* BSD style rusage(). */
256#define SGI_SSYNC 62 /* Synchronous fs sync. */
257#define SGI_GETSID 65 /* SysVr4 get session id. */
258#define SGI_ELFMAP 68 /* Map an elf image. */
259#define SGI_TOSSTSAVE 108 /* Toss saved vma's. */
260#define SGI_FP_BCOPY 129 /* Should FPU bcopy be used on this machine? */
261#define SGI_PHYSP 1011 /* Translate virtual into physical page. */
262
263asmlinkage int irix_syssgi(struct pt_regs *regs)
264{
265 unsigned long cmd;
266 int retval, base = 0;
267
268 if (regs->regs[2] == 1000)
269 base = 1;
270
271 cmd = regs->regs[base + 4];
272 switch(cmd) {
273 case SGI_SYSID: {
274 char __user *buf = (char __user *) regs->regs[base + 5];
275
276 /* XXX Use ethernet addr.... */
277 retval = clear_user(buf, 64) ? -EFAULT : 0;
278 break;
279 }
280#if 0
281 case SGI_RDNAME: {
282 int pid = (int) regs->regs[base + 5];
283 char __user *buf = (char __user *) regs->regs[base + 6];
284 struct task_struct *p;
285 char tcomm[sizeof(current->comm)];
286
287 read_lock(&tasklist_lock);
288 p = find_task_by_pid(pid);
289 if (!p) {
290 read_unlock(&tasklist_lock);
291 retval = -ESRCH;
292 break;
293 }
294 get_task_comm(tcomm, p);
295 read_unlock(&tasklist_lock);
296
297 /* XXX Need to check sizes. */
298 retval = copy_to_user(buf, tcomm, sizeof(tcomm)) ? -EFAULT : 0;
299 break;
300 }
301
302 case SGI_GETNVRAM: {
303 char __user *name = (char __user *) regs->regs[base+5];
304 char __user *buf = (char __user *) regs->regs[base+6];
305 char *value;
306 return -EINVAL; /* til I fix it */
307 value = prom_getenv(name); /* PROM lock? */
308 if (!value) {
309 retval = -EINVAL;
310 break;
311 }
312 /* Do I strlen() for the length? */
313 retval = copy_to_user(buf, value, 128) ? -EFAULT : 0;
314 break;
315 }
316
317 case SGI_SETNVRAM: {
318 char __user *name = (char __user *) regs->regs[base+5];
319 char __user *value = (char __user *) regs->regs[base+6];
320 return -EINVAL; /* til I fix it */
321 retval = prom_setenv(name, value);
322 /* XXX make sure retval conforms to syssgi(2) */
323 printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d",
324 current->comm, current->pid, name, value, retval);
325/* if (retval == PROM_ENOENT)
326 retval = -ENOENT; */
327 break;
328 }
329#endif
330
331 case SGI_SETPGID: {
332#ifdef DEBUG_PROCGRPS
333 printk("[%s:%d] setpgid(%d, %d) ",
334 current->comm, current->pid,
335 (int) regs->regs[base + 5], (int)regs->regs[base + 6]);
336#endif
337 retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]);
338
339#ifdef DEBUG_PROCGRPS
340 printk("retval=%d\n", retval);
341#endif
342 }
343
344 case SGI_SYSCONF: {
345 switch(regs->regs[base + 5]) {
346 case 1:
347 retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */
348 goto out;
349 case 2:
350 retval = max_threads;
351 goto out;
352 case 3:
353 retval = HZ;
354 goto out;
355 case 4:
356 retval = NGROUPS_MAX;
357 goto out;
358 case 5:
359 retval = sysctl_nr_open;
360 goto out;
361 case 6:
362 retval = 1;
363 goto out;
364 case 7:
365 retval = 1;
366 goto out;
367 case 8:
368 retval = 199009;
369 goto out;
370 case 11:
371 retval = PAGE_SIZE;
372 goto out;
373 case 12:
374 retval = 4;
375 goto out;
376 case 25:
377 case 26:
378 case 27:
379 case 28:
380 case 29:
381 case 30:
382 retval = 0;
383 goto out;
384 case 31:
385 retval = 32;
386 goto out;
387 default:
388 retval = -EINVAL;
389 goto out;
390 };
391 }
392
393 case SGI_SETGROUPS:
394 retval = sys_setgroups((int) regs->regs[base + 5],
395 (gid_t __user *) regs->regs[base + 6]);
396 break;
397
398 case SGI_GETGROUPS:
399 retval = sys_getgroups((int) regs->regs[base + 5],
400 (gid_t __user *) regs->regs[base + 6]);
401 break;
402
403 case SGI_RUSAGE: {
404 struct rusage __user *ru = (struct rusage __user *) regs->regs[base + 6];
405
406 switch((int) regs->regs[base + 5]) {
407 case 0:
408 /* rusage self */
409 retval = getrusage(current, RUSAGE_SELF, ru);
410 goto out;
411
412 case -1:
413 /* rusage children */
414 retval = getrusage(current, RUSAGE_CHILDREN, ru);
415 goto out;
416
417 default:
418 retval = -EINVAL;
419 goto out;
420 };
421 }
422
423 case SGI_SSYNC:
424 sys_sync();
425 retval = 0;
426 break;
427
428 case SGI_GETSID:
429#ifdef DEBUG_PROCGRPS
430 printk("[%s:%d] getsid(%d) ", current->comm, current->pid,
431 (int) regs->regs[base + 5]);
432#endif
433 retval = sys_getsid(regs->regs[base + 5]);
434#ifdef DEBUG_PROCGRPS
435 printk("retval=%d\n", retval);
436#endif
437 break;
438
439 case SGI_ELFMAP:
440 retval = irix_mapelf((int) regs->regs[base + 5],
441 (struct elf_phdr __user *) regs->regs[base + 6],
442 (int) regs->regs[base + 7]);
443 break;
444
445 case SGI_TOSSTSAVE:
446 /* XXX We don't need to do anything? */
447 retval = 0;
448 break;
449
450 case SGI_FP_BCOPY:
451 retval = 0;
452 break;
453
454 case SGI_PHYSP: {
455 unsigned long addr = regs->regs[base + 5];
456 int __user *pageno = (int __user *) (regs->regs[base + 6]);
457 struct mm_struct *mm = current->mm;
458 pgd_t *pgdp;
459 pud_t *pudp;
460 pmd_t *pmdp;
461 pte_t *ptep;
462
463 down_read(&mm->mmap_sem);
464 pgdp = pgd_offset(mm, addr);
465 pudp = pud_offset(pgdp, addr);
466 pmdp = pmd_offset(pudp, addr);
467 ptep = pte_offset(pmdp, addr);
468 retval = -EINVAL;
469 if (ptep) {
470 pte_t pte = *ptep;
471
472 if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
473 /* b0rked on 64-bit */
474 retval = put_user((pte_val(pte) & PAGE_MASK) >>
475 PAGE_SHIFT, pageno);
476 }
477 }
478 up_read(&mm->mmap_sem);
479 break;
480 }
481
482 case SGI_INVENT: {
483 int arg1 = (int) regs->regs [base + 5];
484 void __user *buffer = (void __user *) regs->regs [base + 6];
485 int count = (int) regs->regs [base + 7];
486
487 switch (arg1) {
488 case SGI_INV_SIZEOF:
489 retval = sizeof(inventory_t);
490 break;
491 case SGI_INV_READ:
492 retval = dump_inventory_to_user(buffer, count);
493 break;
494 default:
495 retval = -EINVAL;
496 }
497 break;
498 }
499
500 default:
501 printk("irix_syssgi: Unsupported command %d\n", (int)cmd);
502 retval = -EINVAL;
503 break;
504 };
505
506out:
507 return retval;
508}
509
510asmlinkage int irix_gtime(struct pt_regs *regs)
511{
512 return get_seconds();
513}
514
515/*
516 * IRIX is completely broken... it returns 0 on success, otherwise
517 * ENOMEM.
518 */
519asmlinkage int irix_brk(unsigned long brk)
520{
521 unsigned long rlim;
522 unsigned long newbrk, oldbrk;
523 struct mm_struct *mm = current->mm;
524 int ret;
525
526 down_write(&mm->mmap_sem);
527 if (brk < mm->end_code) {
528 ret = -ENOMEM;
529 goto out;
530 }
531
532 newbrk = PAGE_ALIGN(brk);
533 oldbrk = PAGE_ALIGN(mm->brk);
534 if (oldbrk == newbrk) {
535 mm->brk = brk;
536 ret = 0;
537 goto out;
538 }
539
540 /*
541 * Always allow shrinking brk
542 */
543 if (brk <= mm->brk) {
544 mm->brk = brk;
545 do_munmap(mm, newbrk, oldbrk-newbrk);
546 ret = 0;
547 goto out;
548 }
549 /*
550 * Check against rlimit and stack..
551 */
552 rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
553 if (rlim >= RLIM_INFINITY)
554 rlim = ~0;
555 if (brk - mm->end_code > rlim) {
556 ret = -ENOMEM;
557 goto out;
558 }
559
560 /*
561 * Check against existing mmap mappings.
562 */
563 if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) {
564 ret = -ENOMEM;
565 goto out;
566 }
567
568 /*
569 * Ok, looks good - let it rip.
570 */
571 if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) {
572 ret = -ENOMEM;
573 goto out;
574 }
575 mm->brk = brk;
576 ret = 0;
577
578out:
579 up_write(&mm->mmap_sem);
580 return ret;
581}
582
583asmlinkage int irix_getpid(struct pt_regs *regs)
584{
585 regs->regs[3] = task_pid_vnr(current->real_parent);
586 return task_pid_vnr(current);
587}
588
589asmlinkage int irix_getuid(struct pt_regs *regs)
590{
591 regs->regs[3] = current->euid;
592 return current->uid;
593}
594
595asmlinkage int irix_getgid(struct pt_regs *regs)
596{
597 regs->regs[3] = current->egid;
598 return current->gid;
599}
600
601asmlinkage int irix_stime(int value)
602{
603 int err;
604 struct timespec tv;
605
606 tv.tv_sec = value;
607 tv.tv_nsec = 0;
608 err = security_settime(&tv, NULL);
609 if (err)
610 return err;
611
612 write_seqlock_irq(&xtime_lock);
613 xtime.tv_sec = value;
614 xtime.tv_nsec = 0;
615 ntp_clear();
616 write_sequnlock_irq(&xtime_lock);
617
618 return 0;
619}
620
621static inline void jiffiestotv(unsigned long jiffies, struct timeval *value)
622{
623 value->tv_usec = (jiffies % HZ) * (1000000 / HZ);
624 value->tv_sec = jiffies / HZ;
625}
626
627static inline void getitimer_real(struct itimerval *value)
628{
629 register unsigned long val, interval;
630
631 interval = current->it_real_incr;
632 val = 0;
633 if (del_timer(&current->real_timer)) {
634 unsigned long now = jiffies;
635 val = current->real_timer.expires;
636 add_timer(&current->real_timer);
637 /* look out for negative/zero itimer.. */
638 if (val <= now)
639 val = now+1;
640 val -= now;
641 }
642 jiffiestotv(val, &value->it_value);
643 jiffiestotv(interval, &value->it_interval);
644}
645
646asmlinkage unsigned int irix_alarm(unsigned int seconds)
647{
648 return alarm_setitimer(seconds);
649}
650
651asmlinkage int irix_pause(void)
652{
653 current->state = TASK_INTERRUPTIBLE;
654 schedule();
655
656 return -EINTR;
657}
658
659/* XXX need more than this... */
660asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name,
661 unsigned long flags, char __user *type, void __user *data, int datalen)
662{
663 printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
664 current->comm, current->pid,
665 dev_name, dir_name, flags, type, data, datalen);
666
667 return sys_mount(dev_name, dir_name, type, flags, data);
668}
669
670struct irix_statfs {
671 short f_type;
672 long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree;
673 char f_fname[6], f_fpack[6];
674};
675
676asmlinkage int irix_statfs(const char __user *path,
677 struct irix_statfs __user *buf, int len, int fs_type)
678{
679 struct nameidata nd;
680 struct kstatfs kbuf;
681 int error, i;
682
683 /* We don't support this feature yet. */
684 if (fs_type) {
685 error = -EINVAL;
686 goto out;
687 }
688 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
689 error = -EFAULT;
690 goto out;
691 }
692
693 error = user_path_walk(path, &nd);
694 if (error)
695 goto out;
696
697 error = vfs_statfs(nd.path.dentry, &kbuf);
698 if (error)
699 goto dput_and_out;
700
701 error = __put_user(kbuf.f_type, &buf->f_type);
702 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
703 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
704 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
705 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
706 error |= __put_user(kbuf.f_files, &buf->f_files);
707 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
708 for (i = 0; i < 6; i++) {
709 error |= __put_user(0, &buf->f_fname[i]);
710 error |= __put_user(0, &buf->f_fpack[i]);
711 }
712
713dput_and_out:
714 path_put(&nd.path);
715out:
716 return error;
717}
718
719asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs __user *buf)
720{
721 struct kstatfs kbuf;
722 struct file *file;
723 int error, i;
724
725 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
726 error = -EFAULT;
727 goto out;
728 }
729
730 if (!(file = fget(fd))) {
731 error = -EBADF;
732 goto out;
733 }
734
735 error = vfs_statfs(file->f_path.dentry, &kbuf);
736 if (error)
737 goto out_f;
738
739 error = __put_user(kbuf.f_type, &buf->f_type);
740 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
741 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
742 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
743 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
744 error |= __put_user(kbuf.f_files, &buf->f_files);
745 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
746
747 for (i = 0; i < 6; i++) {
748 error |= __put_user(0, &buf->f_fname[i]);
749 error |= __put_user(0, &buf->f_fpack[i]);
750 }
751
752out_f:
753 fput(file);
754out:
755 return error;
756}
757
758asmlinkage int irix_setpgrp(int flags)
759{
760 int error;
761
762#ifdef DEBUG_PROCGRPS
763 printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags);
764#endif
765 if(!flags)
766 error = task_pgrp_vnr(current);
767 else
768 error = sys_setsid();
769#ifdef DEBUG_PROCGRPS
770 printk("returning %d\n", error);
771#endif
772
773 return error;
774}
775
776asmlinkage int irix_times(struct tms __user *tbuf)
777{
778 int err = 0;
779
780 if (tbuf) {
781 if (!access_ok(VERIFY_WRITE, tbuf, sizeof *tbuf))
782 return -EFAULT;
783
784 err = __put_user(current->utime, &tbuf->tms_utime);
785 err |= __put_user(current->stime, &tbuf->tms_stime);
786 err |= __put_user(current->signal->cutime, &tbuf->tms_cutime);
787 err |= __put_user(current->signal->cstime, &tbuf->tms_cstime);
788 }
789
790 return err;
791}
792
793asmlinkage int irix_exec(struct pt_regs *regs)
794{
795 int error, base = 0;
796 char *filename;
797
798 if(regs->regs[2] == 1000)
799 base = 1;
800 filename = getname((char __user *) (long)regs->regs[base + 4]);
801 error = PTR_ERR(filename);
802 if (IS_ERR(filename))
803 return error;
804
805 error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
806 NULL, regs);
807 putname(filename);
808
809 return error;
810}
811
812asmlinkage int irix_exece(struct pt_regs *regs)
813{
814 int error, base = 0;
815 char *filename;
816
817 if (regs->regs[2] == 1000)
818 base = 1;
819 filename = getname((char __user *) (long)regs->regs[base + 4]);
820 error = PTR_ERR(filename);
821 if (IS_ERR(filename))
822 return error;
823 error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
824 (char __user * __user *) (long)regs->regs[base + 6], regs);
825 putname(filename);
826
827 return error;
828}
829
830asmlinkage unsigned long irix_gethostid(void)
831{
832 printk("[%s:%d]: irix_gethostid() called...\n",
833 current->comm, current->pid);
834
835 return -EINVAL;
836}
837
838asmlinkage unsigned long irix_sethostid(unsigned long val)
839{
840 printk("[%s:%d]: irix_sethostid(%08lx) called...\n",
841 current->comm, current->pid, val);
842
843 return -EINVAL;
844}
845
846asmlinkage int irix_socket(int family, int type, int protocol)
847{
848 switch(type) {
849 case 1:
850 type = SOCK_DGRAM;
851 break;
852
853 case 2:
854 type = SOCK_STREAM;
855 break;
856
857 case 3:
858 type = 9; /* Invalid... */
859 break;
860
861 case 4:
862 type = SOCK_RAW;
863 break;
864
865 case 5:
866 type = SOCK_RDM;
867 break;
868
869 case 6:
870 type = SOCK_SEQPACKET;
871 break;
872
873 default:
874 break;
875 }
876
877 return sys_socket(family, type, protocol);
878}
879
880asmlinkage int irix_getdomainname(char __user *name, int len)
881{
882 int err;
883
884 down_read(&uts_sem);
885 if (len > __NEW_UTS_LEN)
886 len = __NEW_UTS_LEN;
887 err = copy_to_user(name, utsname()->domainname, len) ? -EFAULT : 0;
888 up_read(&uts_sem);
889
890 return err;
891}
892
893asmlinkage unsigned long irix_getpagesize(void)
894{
895 return PAGE_SIZE;
896}
897
898asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
899 unsigned long arg2, unsigned long arg3,
900 unsigned long arg4)
901{
902 switch (opcode) {
903 case 0:
904 return sys_msgget((key_t) arg0, (int) arg1);
905 case 1:
906 return sys_msgctl((int) arg0, (int) arg1,
907 (struct msqid_ds __user *)arg2);
908 case 2:
909 return sys_msgrcv((int) arg0, (struct msgbuf __user *) arg1,
910 (size_t) arg2, (long) arg3, (int) arg4);
911 case 3:
912 return sys_msgsnd((int) arg0, (struct msgbuf __user *) arg1,
913 (size_t) arg2, (int) arg3);
914 default:
915 return -EINVAL;
916 }
917}
918
919asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
920 unsigned long arg2, unsigned long arg3)
921{
922 switch (opcode) {
923 case 0:
924 return do_shmat((int) arg0, (char __user *) arg1, (int) arg2,
925 (unsigned long *) arg3);
926 case 1:
927 return sys_shmctl((int)arg0, (int)arg1,
928 (struct shmid_ds __user *)arg2);
929 case 2:
930 return sys_shmdt((char __user *)arg0);
931 case 3:
932 return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
933 default:
934 return -EINVAL;
935 }
936}
937
938asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
939 unsigned long arg2, int arg3)
940{
941 switch (opcode) {
942 case 0:
943 return sys_semctl((int) arg0, (int) arg1, (int) arg2,
944 (union semun) arg3);
945 case 1:
946 return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
947 case 2:
948 return sys_semop((int) arg0, (struct sembuf __user *)arg1,
949 (unsigned int) arg2);
950 default:
951 return -EINVAL;
952 }
953}
954
955static inline loff_t llseek(struct file *file, loff_t offset, int origin)
956{
957 loff_t (*fn)(struct file *, loff_t, int);
958 loff_t retval;
959
960 fn = default_llseek;
961 if (file->f_op && file->f_op->llseek)
962 fn = file->f_op->llseek;
963 lock_kernel();
964 retval = fn(file, offset, origin);
965 unlock_kernel();
966
967 return retval;
968}
969
970asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
971 int origin)
972{
973 struct file * file;
974 loff_t offset;
975 int retval;
976
977 retval = -EBADF;
978 file = fget(fd);
979 if (!file)
980 goto bad;
981 retval = -EINVAL;
982 if (origin > 2)
983 goto out_putf;
984
985 offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin);
986 retval = (int) offset;
987
988out_putf:
989 fput(file);
990bad:
991 return retval;
992}
993
994asmlinkage int irix_sginap(int ticks)
995{
996 schedule_timeout_interruptible(ticks);
997 return 0;
998}
999
1000asmlinkage int irix_sgikopt(char __user *istring, char __user *ostring, int len)
1001{
1002 return -EINVAL;
1003}
1004
1005asmlinkage int irix_gettimeofday(struct timeval __user *tv)
1006{
1007 time_t sec;
1008 long nsec, seq;
1009 int err;
1010
1011 if (!access_ok(VERIFY_WRITE, tv, sizeof(struct timeval)))
1012 return -EFAULT;
1013
1014 do {
1015 seq = read_seqbegin(&xtime_lock);
1016 sec = xtime.tv_sec;
1017 nsec = xtime.tv_nsec;
1018 } while (read_seqretry(&xtime_lock, seq));
1019
1020 err = __put_user(sec, &tv->tv_sec);
1021 err |= __put_user((nsec / 1000), &tv->tv_usec);
1022
1023 return err;
1024}
1025
1026#define IRIX_MAP_AUTOGROW 0x40
1027
1028asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
1029 int flags, int fd, off_t offset)
1030{
1031 struct file *file = NULL;
1032 unsigned long retval;
1033
1034 if (!(flags & MAP_ANONYMOUS)) {
1035 if (!(file = fget(fd)))
1036 return -EBADF;
1037
1038 /* Ok, bad taste hack follows, try to think in something else
1039 * when reading this. */
1040 if (flags & IRIX_MAP_AUTOGROW) {
1041 unsigned long old_pos;
1042 long max_size = offset + len;
1043
1044 if (max_size > file->f_path.dentry->d_inode->i_size) {
1045 old_pos = sys_lseek(fd, max_size - 1, 0);
1046 sys_write(fd, (void __user *) "", 1);
1047 sys_lseek(fd, old_pos, 0);
1048 }
1049 }
1050 }
1051
1052 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1053
1054 down_write(&current->mm->mmap_sem);
1055 retval = do_mmap(file, addr, len, prot, flags, offset);
1056 up_write(&current->mm->mmap_sem);
1057 if (file)
1058 fput(file);
1059
1060 return retval;
1061}
1062
1063asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
1064{
1065 printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n",
1066 current->comm, current->pid, addr, len, behavior);
1067
1068 return -EINVAL;
1069}
1070
1071asmlinkage int irix_pagelock(char __user *addr, int len, int op)
1072{
1073 printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
1074 current->comm, current->pid, addr, len, op);
1075
1076 return -EINVAL;
1077}
1078
1079asmlinkage int irix_quotactl(struct pt_regs *regs)
1080{
1081 printk("[%s:%d] Wheee.. irix_quotactl()\n",
1082 current->comm, current->pid);
1083
1084 return -EINVAL;
1085}
1086
1087asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
1088{
1089 int error;
1090
1091#ifdef DEBUG_PROCGRPS
1092 printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid,
1093 pid, pgrp);
1094#endif
1095 if(!pid)
1096 pid = task_pid_vnr(current);
1097
1098 /* Wheee, weird sysv thing... */
1099 if ((pgrp == 0) && (pid == task_pid_vnr(current)))
1100 error = sys_setsid();
1101 else
1102 error = sys_setpgid(pid, pgrp);
1103
1104#ifdef DEBUG_PROCGRPS
1105 printk("error = %d\n", error);
1106#endif
1107
1108 return error;
1109}
1110
1111asmlinkage int irix_systeminfo(int cmd, char __user *buf, int cnt)
1112{
1113 printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
1114 current->comm, current->pid, cmd, buf, cnt);
1115
1116 return -EINVAL;
1117}
1118
1119struct iuname {
1120 char sysname[257], nodename[257], release[257];
1121 char version[257], machine[257];
1122 char m_type[257], base_rel[257];
1123 char _unused0[257], _unused1[257], _unused2[257];
1124 char _unused3[257], _unused4[257], _unused5[257];
1125};
1126
1127asmlinkage int irix_uname(struct iuname __user *buf)
1128{
1129 down_read(&uts_sem);
1130 if (copy_from_user(utsname()->sysname, buf->sysname, 65)
1131 || copy_from_user(utsname()->nodename, buf->nodename, 65)
1132 || copy_from_user(utsname()->release, buf->release, 65)
1133 || copy_from_user(utsname()->version, buf->version, 65)
1134 || copy_from_user(utsname()->machine, buf->machine, 65)) {
1135 return -EFAULT;
1136 }
1137 up_read(&uts_sem);
1138
1139 return 1;
1140}
1141
1142#undef DEBUG_XSTAT
1143
1144static int irix_xstat32_xlate(struct kstat *stat, void __user *ubuf)
1145{
1146 struct xstat32 {
1147 u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
1148 u32 st_rdev, st_pad2[2], st_size, st_pad3;
1149 u32 st_atime0, st_atime1;
1150 u32 st_mtime0, st_mtime1;
1151 u32 st_ctime0, st_ctime1;
1152 u32 st_blksize, st_blocks;
1153 char st_fstype[16];
1154 u32 st_pad4[8];
1155 } ub;
1156
1157 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1158 return -EOVERFLOW;
1159 ub.st_dev = sysv_encode_dev(stat->dev);
1160 ub.st_ino = stat->ino;
1161 ub.st_mode = stat->mode;
1162 ub.st_nlink = stat->nlink;
1163 SET_UID(ub.st_uid, stat->uid);
1164 SET_GID(ub.st_gid, stat->gid);
1165 ub.st_rdev = sysv_encode_dev(stat->rdev);
1166#if BITS_PER_LONG == 32
1167 if (stat->size > MAX_NON_LFS)
1168 return -EOVERFLOW;
1169#endif
1170 ub.st_size = stat->size;
1171 ub.st_atime0 = stat->atime.tv_sec;
1172 ub.st_atime1 = stat->atime.tv_nsec;
1173 ub.st_mtime0 = stat->mtime.tv_sec;
1174 ub.st_mtime1 = stat->atime.tv_nsec;
1175 ub.st_ctime0 = stat->ctime.tv_sec;
1176 ub.st_ctime1 = stat->atime.tv_nsec;
1177 ub.st_blksize = stat->blksize;
1178 ub.st_blocks = stat->blocks;
1179 strcpy(ub.st_fstype, "efs");
1180
1181 return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
1182}
1183
1184static int irix_xstat64_xlate(struct kstat *stat, void __user *ubuf)
1185{
1186 struct xstat64 {
1187 u32 st_dev; s32 st_pad1[3];
1188 unsigned long long st_ino;
1189 u32 st_mode;
1190 u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev;
1191 s32 st_pad2[2];
1192 long long st_size;
1193 s32 st_pad3;
1194 struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime;
1195 s32 st_blksize;
1196 long long st_blocks;
1197 char st_fstype[16];
1198 s32 st_pad4[8];
1199 } ks;
1200
1201 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1202 return -EOVERFLOW;
1203
1204 ks.st_dev = sysv_encode_dev(stat->dev);
1205 ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0;
1206 ks.st_ino = (unsigned long long) stat->ino;
1207 ks.st_mode = (u32) stat->mode;
1208 ks.st_nlink = (u32) stat->nlink;
1209 ks.st_uid = (s32) stat->uid;
1210 ks.st_gid = (s32) stat->gid;
1211 ks.st_rdev = sysv_encode_dev(stat->rdev);
1212 ks.st_pad2[0] = ks.st_pad2[1] = 0;
1213 ks.st_size = (long long) stat->size;
1214 ks.st_pad3 = 0;
1215
1216 /* XXX hackety hack... */
1217 ks.st_atime.tv_sec = (s32) stat->atime.tv_sec;
1218 ks.st_atime.tv_nsec = stat->atime.tv_nsec;
1219 ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec;
1220 ks.st_mtime.tv_nsec = stat->mtime.tv_nsec;
1221 ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec;
1222 ks.st_ctime.tv_nsec = stat->ctime.tv_nsec;
1223
1224 ks.st_blksize = (s32) stat->blksize;
1225 ks.st_blocks = (long long) stat->blocks;
1226 memset(ks.st_fstype, 0, 16);
1227 ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0;
1228 ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0;
1229
1230 /* Now write it all back. */
1231 return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
1232}
1233
1234asmlinkage int irix_xstat(int version, char __user *filename, struct stat __user *statbuf)
1235{
1236 int retval;
1237 struct kstat stat;
1238
1239#ifdef DEBUG_XSTAT
1240 printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ",
1241 current->comm, current->pid, version, filename, statbuf);
1242#endif
1243
1244 retval = vfs_stat(filename, &stat);
1245 if (!retval) {
1246 switch(version) {
1247 case 2:
1248 retval = irix_xstat32_xlate(&stat, statbuf);
1249 break;
1250 case 3:
1251 retval = irix_xstat64_xlate(&stat, statbuf);
1252 break;
1253 default:
1254 retval = -EINVAL;
1255 }
1256 }
1257 return retval;
1258}
1259
1260asmlinkage int irix_lxstat(int version, char __user *filename, struct stat __user *statbuf)
1261{
1262 int error;
1263 struct kstat stat;
1264
1265#ifdef DEBUG_XSTAT
1266 printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ",
1267 current->comm, current->pid, version, filename, statbuf);
1268#endif
1269
1270 error = vfs_lstat(filename, &stat);
1271
1272 if (!error) {
1273 switch (version) {
1274 case 2:
1275 error = irix_xstat32_xlate(&stat, statbuf);
1276 break;
1277 case 3:
1278 error = irix_xstat64_xlate(&stat, statbuf);
1279 break;
1280 default:
1281 error = -EINVAL;
1282 }
1283 }
1284 return error;
1285}
1286
1287asmlinkage int irix_fxstat(int version, int fd, struct stat __user *statbuf)
1288{
1289 int error;
1290 struct kstat stat;
1291
1292#ifdef DEBUG_XSTAT
1293 printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ",
1294 current->comm, current->pid, version, fd, statbuf);
1295#endif
1296
1297 error = vfs_fstat(fd, &stat);
1298 if (!error) {
1299 switch (version) {
1300 case 2:
1301 error = irix_xstat32_xlate(&stat, statbuf);
1302 break;
1303 case 3:
1304 error = irix_xstat64_xlate(&stat, statbuf);
1305 break;
1306 default:
1307 error = -EINVAL;
1308 }
1309 }
1310 return error;
1311}
1312
1313asmlinkage int irix_xmknod(int ver, char __user *filename, int mode, unsigned dev)
1314{
1315 int retval;
1316 printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
1317 current->comm, current->pid, ver, filename, mode, dev);
1318
1319 switch(ver) {
1320 case 2:
1321 /* shouldn't we convert here as well as on stat()? */
1322 retval = sys_mknod(filename, mode, dev);
1323 break;
1324
1325 default:
1326 retval = -EINVAL;
1327 break;
1328 };
1329
1330 return retval;
1331}
1332
1333asmlinkage int irix_swapctl(int cmd, char __user *arg)
1334{
1335 printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
1336 current->comm, current->pid, cmd, arg);
1337
1338 return -EINVAL;
1339}
1340
1341struct irix_statvfs {
1342 u32 f_bsize; u32 f_frsize; u32 f_blocks;
1343 u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail;
1344 u32 f_fsid; char f_basetype[16];
1345 u32 f_flag; u32 f_namemax;
1346 char f_fstr[32]; u32 f_filler[16];
1347};
1348
1349asmlinkage int irix_statvfs(char __user *fname, struct irix_statvfs __user *buf)
1350{
1351 struct nameidata nd;
1352 struct kstatfs kbuf;
1353 int error, i;
1354
1355 printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
1356 current->comm, current->pid, fname, buf);
1357 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
1358 return -EFAULT;
1359
1360 error = user_path_walk(fname, &nd);
1361 if (error)
1362 goto out;
1363 error = vfs_statfs(nd.path.dentry, &kbuf);
1364 if (error)
1365 goto dput_and_out;
1366
1367 error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
1368 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1369 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1370 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1371 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1372 error |= __put_user(kbuf.f_files, &buf->f_files);
1373 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1374 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1375#ifdef __MIPSEB__
1376 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1377#else
1378 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1379#endif
1380 for (i = 0; i < 16; i++)
1381 error |= __put_user(0, &buf->f_basetype[i]);
1382 error |= __put_user(0, &buf->f_flag);
1383 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1384 for (i = 0; i < 32; i++)
1385 error |= __put_user(0, &buf->f_fstr[i]);
1386
1387dput_and_out:
1388 path_put(&nd.path);
1389out:
1390 return error;
1391}
1392
1393asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs __user *buf)
1394{
1395 struct kstatfs kbuf;
1396 struct file *file;
1397 int error, i;
1398
1399 printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
1400 current->comm, current->pid, fd, buf);
1401
1402 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
1403 return -EFAULT;
1404
1405 if (!(file = fget(fd))) {
1406 error = -EBADF;
1407 goto out;
1408 }
1409 error = vfs_statfs(file->f_path.dentry, &kbuf);
1410 if (error)
1411 goto out_f;
1412
1413 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1414 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1415 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1416 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1417 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1418 error |= __put_user(kbuf.f_files, &buf->f_files);
1419 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1420 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1421#ifdef __MIPSEB__
1422 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1423#else
1424 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1425#endif
1426 for(i = 0; i < 16; i++)
1427 error |= __put_user(0, &buf->f_basetype[i]);
1428 error |= __put_user(0, &buf->f_flag);
1429 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1430 error |= __clear_user(&buf->f_fstr, sizeof(buf->f_fstr)) ? -EFAULT : 0;
1431
1432out_f:
1433 fput(file);
1434out:
1435 return error;
1436}
1437
1438asmlinkage int irix_priocntl(struct pt_regs *regs)
1439{
1440 printk("[%s:%d] Wheee.. irix_priocntl()\n",
1441 current->comm, current->pid);
1442
1443 return -EINVAL;
1444}
1445
1446asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
1447{
1448 printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n",
1449 current->comm, current->pid, pid, sig, code, val);
1450
1451 return -EINVAL;
1452}
1453
1454asmlinkage int irix_truncate64(char __user *name, int pad, int size1, int size2)
1455{
1456 int retval;
1457
1458 if (size1) {
1459 retval = -EINVAL;
1460 goto out;
1461 }
1462 retval = sys_truncate(name, size2);
1463
1464out:
1465 return retval;
1466}
1467
1468asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2)
1469{
1470 int retval;
1471
1472 if (size1) {
1473 retval = -EINVAL;
1474 goto out;
1475 }
1476 retval = sys_ftruncate(fd, size2);
1477
1478out:
1479 return retval;
1480}
1481
1482asmlinkage int irix_mmap64(struct pt_regs *regs)
1483{
1484 int len, prot, flags, fd, off1, off2, error, base = 0;
1485 unsigned long addr, pgoff, *sp;
1486 struct file *file = NULL;
1487 int err;
1488
1489 if (regs->regs[2] == 1000)
1490 base = 1;
1491 sp = (unsigned long *) (regs->regs[29] + 16);
1492 addr = regs->regs[base + 4];
1493 len = regs->regs[base + 5];
1494 prot = regs->regs[base + 6];
1495 if (!base) {
1496 flags = regs->regs[base + 7];
1497 if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long))))
1498 return -EFAULT;
1499 fd = sp[0];
1500 err = __get_user(off1, &sp[1]);
1501 err |= __get_user(off2, &sp[2]);
1502 } else {
1503 if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long))))
1504 return -EFAULT;
1505 err = __get_user(flags, &sp[0]);
1506 err |= __get_user(fd, &sp[1]);
1507 err |= __get_user(off1, &sp[2]);
1508 err |= __get_user(off2, &sp[3]);
1509 }
1510
1511 if (err)
1512 return err;
1513
1514 if (off1 & PAGE_MASK)
1515 return -EOVERFLOW;
1516
1517 pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
1518
1519 if (!(flags & MAP_ANONYMOUS)) {
1520 if (!(file = fget(fd)))
1521 return -EBADF;
1522
1523 /* Ok, bad taste hack follows, try to think in something else
1524 when reading this */
1525 if (flags & IRIX_MAP_AUTOGROW) {
1526 unsigned long old_pos;
1527 long max_size = off2 + len;
1528
1529 if (max_size > file->f_path.dentry->d_inode->i_size) {
1530 old_pos = sys_lseek(fd, max_size - 1, 0);
1531 sys_write(fd, (void __user *) "", 1);
1532 sys_lseek(fd, old_pos, 0);
1533 }
1534 }
1535 }
1536
1537 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1538
1539 down_write(&current->mm->mmap_sem);
1540 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
1541 up_write(&current->mm->mmap_sem);
1542
1543 if (file)
1544 fput(file);
1545
1546 return error;
1547}
1548
1549asmlinkage int irix_dmi(struct pt_regs *regs)
1550{
1551 printk("[%s:%d] Wheee.. irix_dmi()\n",
1552 current->comm, current->pid);
1553
1554 return -EINVAL;
1555}
1556
1557asmlinkage int irix_pread(int fd, char __user *buf, int cnt, int off64,
1558 int off1, int off2)
1559{
1560 printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
1561 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1562
1563 return -EINVAL;
1564}
1565
1566asmlinkage int irix_pwrite(int fd, char __user *buf, int cnt, int off64,
1567 int off1, int off2)
1568{
1569 printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
1570 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1571
1572 return -EINVAL;
1573}
1574
1575asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1,
1576 unsigned long arg2, unsigned long arg3,
1577 unsigned long arg4, unsigned long arg5)
1578{
1579 printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx,"
1580 "%08lx,%08lx)\n",
1581 current->comm, current->pid, cmd, arg0, arg1, arg2,
1582 arg3, arg4, arg5);
1583
1584 return -EINVAL;
1585}
1586
1587struct irix_statvfs64 {
1588 u32 f_bsize; u32 f_frsize;
1589 u64 f_blocks; u64 f_bfree; u64 f_bavail;
1590 u64 f_files; u64 f_ffree; u64 f_favail;
1591 u32 f_fsid;
1592 char f_basetype[16];
1593 u32 f_flag; u32 f_namemax;
1594 char f_fstr[32];
1595 u32 f_filler[16];
1596};
1597
1598asmlinkage int irix_statvfs64(char __user *fname, struct irix_statvfs64 __user *buf)
1599{
1600 struct nameidata nd;
1601 struct kstatfs kbuf;
1602 int error, i;
1603
1604 printk("[%s:%d] Wheee.. irix_statvfs64(%s,%p)\n",
1605 current->comm, current->pid, fname, buf);
1606 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs64))) {
1607 error = -EFAULT;
1608 goto out;
1609 }
1610
1611 error = user_path_walk(fname, &nd);
1612 if (error)
1613 goto out;
1614 error = vfs_statfs(nd.path.dentry, &kbuf);
1615 if (error)
1616 goto dput_and_out;
1617
1618 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1619 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1620 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1621 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1622 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1623 error |= __put_user(kbuf.f_files, &buf->f_files);
1624 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1625 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1626#ifdef __MIPSEB__
1627 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1628#else
1629 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1630#endif
1631 for(i = 0; i < 16; i++)
1632 error |= __put_user(0, &buf->f_basetype[i]);
1633 error |= __put_user(0, &buf->f_flag);
1634 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1635 for(i = 0; i < 32; i++)
1636 error |= __put_user(0, &buf->f_fstr[i]);
1637
1638dput_and_out:
1639 path_put(&nd.path);
1640out:
1641 return error;
1642}
1643
1644asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs __user *buf)
1645{
1646 struct kstatfs kbuf;
1647 struct file *file;
1648 int error, i;
1649
1650 printk("[%s:%d] Wheee.. irix_fstatvfs64(%d,%p)\n",
1651 current->comm, current->pid, fd, buf);
1652
1653 if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) {
1654 error = -EFAULT;
1655 goto out;
1656 }
1657 if (!(file = fget(fd))) {
1658 error = -EBADF;
1659 goto out;
1660 }
1661 error = vfs_statfs(file->f_path.dentry, &kbuf);
1662 if (error)
1663 goto out_f;
1664
1665 error = __put_user(kbuf.f_bsize, &buf->f_bsize);
1666 error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
1667 error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
1668 error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
1669 error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1670 error |= __put_user(kbuf.f_files, &buf->f_files);
1671 error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
1672 error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1673#ifdef __MIPSEB__
1674 error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1675#else
1676 error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1677#endif
1678 for(i = 0; i < 16; i++)
1679 error |= __put_user(0, &buf->f_basetype[i]);
1680 error |= __put_user(0, &buf->f_flag);
1681 error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
1682 error |= __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i])) ? -EFAULT : 0;
1683
1684out_f:
1685 fput(file);
1686out:
1687 return error;
1688}
1689
1690asmlinkage int irix_getmountid(char __user *fname, unsigned long __user *midbuf)
1691{
1692 int err;
1693
1694 printk("[%s:%d] irix_getmountid(%s, %p)\n",
1695 current->comm, current->pid, fname, midbuf);
1696 if (!access_ok(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4)))
1697 return -EFAULT;
1698
1699 /*
1700 * The idea with this system call is that when trying to determine
1701 * 'pwd' and it's a toss-up for some reason, userland can use the
1702 * fsid of the filesystem to try and make the right decision, but
1703 * we don't have this so for now. XXX
1704 */
1705 err = __put_user(0, &midbuf[0]);
1706 err |= __put_user(0, &midbuf[1]);
1707 err |= __put_user(0, &midbuf[2]);
1708 err |= __put_user(0, &midbuf[3]);
1709
1710 return err;
1711}
1712
1713asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask,
1714 unsigned long arg, unsigned long sp, int slen)
1715{
1716 printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n",
1717 current->comm, current->pid, entry, mask, arg, sp, slen);
1718
1719 return -EINVAL;
1720}
1721
1722#undef DEBUG_GETDENTS
1723
1724struct irix_dirent32 {
1725 u32 d_ino;
1726 u32 d_off;
1727 unsigned short d_reclen;
1728 char d_name[1];
1729};
1730
1731struct irix_dirent32_callback {
1732 struct irix_dirent32 __user *current_dir;
1733 struct irix_dirent32 __user *previous;
1734 int count;
1735 int error;
1736};
1737
1738#define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
1739#define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
1740
1741static int irix_filldir32(void *__buf, const char *name,
1742 int namlen, loff_t offset, u64 ino, unsigned int d_type)
1743{
1744 struct irix_dirent32 __user *dirent;
1745 struct irix_dirent32_callback *buf = __buf;
1746 unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
1747 int err = 0;
1748 u32 d_ino;
1749
1750#ifdef DEBUG_GETDENTS
1751 printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
1752 reclen, namlen, buf->count);
1753#endif
1754 buf->error = -EINVAL; /* only used if we fail.. */
1755 if (reclen > buf->count)
1756 return -EINVAL;
1757 d_ino = ino;
1758 if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
1759 return -EOVERFLOW;
1760 dirent = buf->previous;
1761 if (dirent)
1762 err = __put_user(offset, &dirent->d_off);
1763 dirent = buf->current_dir;
1764 err |= __put_user(dirent, &buf->previous);
1765 err |= __put_user(d_ino, &dirent->d_ino);
1766 err |= __put_user(reclen, &dirent->d_reclen);
1767 err |= copy_to_user((char __user *)dirent->d_name, name, namlen) ? -EFAULT : 0;
1768 err |= __put_user(0, &dirent->d_name[namlen]);
1769 dirent = (struct irix_dirent32 __user *) ((char __user *) dirent + reclen);
1770
1771 buf->current_dir = dirent;
1772 buf->count -= reclen;
1773
1774 return err;
1775}
1776
1777asmlinkage int irix_ngetdents(unsigned int fd, void __user * dirent,
1778 unsigned int count, int __user *eob)
1779{
1780 struct file *file;
1781 struct irix_dirent32 __user *lastdirent;
1782 struct irix_dirent32_callback buf;
1783 int error;
1784
1785#ifdef DEBUG_GETDENTS
1786 printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm,
1787 current->pid, fd, dirent, count, eob);
1788#endif
1789 error = -EBADF;
1790 file = fget(fd);
1791 if (!file)
1792 goto out;
1793
1794 buf.current_dir = (struct irix_dirent32 __user *) dirent;
1795 buf.previous = NULL;
1796 buf.count = count;
1797 buf.error = 0;
1798
1799 error = vfs_readdir(file, irix_filldir32, &buf);
1800 if (error < 0)
1801 goto out_putf;
1802
1803 error = buf.error;
1804 lastdirent = buf.previous;
1805 if (lastdirent) {
1806 put_user(file->f_pos, &lastdirent->d_off);
1807 error = count - buf.count;
1808 }
1809
1810 if (put_user(0, eob) < 0) {
1811 error = -EFAULT;
1812 goto out_putf;
1813 }
1814
1815#ifdef DEBUG_GETDENTS
1816 printk("eob=%d returning %d\n", *eob, count - buf.count);
1817#endif
1818 error = count - buf.count;
1819
1820out_putf:
1821 fput(file);
1822out:
1823 return error;
1824}
1825
1826struct irix_dirent64 {
1827 u64 d_ino;
1828 u64 d_off;
1829 unsigned short d_reclen;
1830 char d_name[1];
1831};
1832
1833struct irix_dirent64_callback {
1834 struct irix_dirent64 __user *curr;
1835 struct irix_dirent64 __user *previous;
1836 int count;
1837 int error;
1838};
1839
1840#define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
1841#define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
1842
1843static int irix_filldir64(void *__buf, const char *name,
1844 int namlen, loff_t offset, u64 ino, unsigned int d_type)
1845{
1846 struct irix_dirent64 __user *dirent;
1847 struct irix_dirent64_callback * buf = __buf;
1848 unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
1849 int err = 0;
1850
1851 if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
1852 return -EFAULT;
1853
1854 if (__put_user(-EINVAL, &buf->error)) /* only used if we fail.. */
1855 return -EFAULT;
1856 if (reclen > buf->count)
1857 return -EINVAL;
1858 dirent = buf->previous;
1859 if (dirent)
1860 err = __put_user(offset, &dirent->d_off);
1861 dirent = buf->curr;
1862 buf->previous = dirent;
1863 err |= __put_user(ino, &dirent->d_ino);
1864 err |= __put_user(reclen, &dirent->d_reclen);
1865 err |= __copy_to_user((char __user *)dirent->d_name, name, namlen)
1866 ? -EFAULT : 0;
1867 err |= __put_user(0, &dirent->d_name[namlen]);
1868
1869 dirent = (struct irix_dirent64 __user *) ((char __user *) dirent + reclen);
1870
1871 buf->curr = dirent;
1872 buf->count -= reclen;
1873
1874 return err;
1875}
1876
1877asmlinkage int irix_getdents64(int fd, void __user *dirent, int cnt)
1878{
1879 struct file *file;
1880 struct irix_dirent64 __user *lastdirent;
1881 struct irix_dirent64_callback buf;
1882 int error;
1883
1884#ifdef DEBUG_GETDENTS
1885 printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm,
1886 current->pid, fd, dirent, cnt);
1887#endif
1888 error = -EBADF;
1889 if (!(file = fget(fd)))
1890 goto out;
1891
1892 error = -EFAULT;
1893 if (!access_ok(VERIFY_WRITE, dirent, cnt))
1894 goto out_f;
1895
1896 error = -EINVAL;
1897 if (cnt < (sizeof(struct irix_dirent64) + 255))
1898 goto out_f;
1899
1900 buf.curr = (struct irix_dirent64 __user *) dirent;
1901 buf.previous = NULL;
1902 buf.count = cnt;
1903 buf.error = 0;
1904 error = vfs_readdir(file, irix_filldir64, &buf);
1905 if (error < 0)
1906 goto out_f;
1907 lastdirent = buf.previous;
1908 if (!lastdirent) {
1909 error = buf.error;
1910 goto out_f;
1911 }
1912 if (put_user(file->f_pos, &lastdirent->d_off))
1913 return -EFAULT;
1914#ifdef DEBUG_GETDENTS
1915 printk("returning %d\n", cnt - buf.count);
1916#endif
1917 error = cnt - buf.count;
1918
1919out_f:
1920 fput(file);
1921out:
1922 return error;
1923}
1924
1925asmlinkage int irix_ngetdents64(int fd, void __user *dirent, int cnt, int *eob)
1926{
1927 struct file *file;
1928 struct irix_dirent64 __user *lastdirent;
1929 struct irix_dirent64_callback buf;
1930 int error;
1931
1932#ifdef DEBUG_GETDENTS
1933 printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm,
1934 current->pid, fd, dirent, cnt);
1935#endif
1936 error = -EBADF;
1937 if (!(file = fget(fd)))
1938 goto out;
1939
1940 error = -EFAULT;
1941 if (!access_ok(VERIFY_WRITE, dirent, cnt) ||
1942 !access_ok(VERIFY_WRITE, eob, sizeof(*eob)))
1943 goto out_f;
1944
1945 error = -EINVAL;
1946 if (cnt < (sizeof(struct irix_dirent64) + 255))
1947 goto out_f;
1948
1949 *eob = 0;
1950 buf.curr = (struct irix_dirent64 __user *) dirent;
1951 buf.previous = NULL;
1952 buf.count = cnt;
1953 buf.error = 0;
1954 error = vfs_readdir(file, irix_filldir64, &buf);
1955 if (error < 0)
1956 goto out_f;
1957 lastdirent = buf.previous;
1958 if (!lastdirent) {
1959 error = buf.error;
1960 goto out_f;
1961 }
1962 if (put_user(file->f_pos, &lastdirent->d_off))
1963 return -EFAULT;
1964#ifdef DEBUG_GETDENTS
1965 printk("eob=%d returning %d\n", *eob, cnt - buf.count);
1966#endif
1967 error = cnt - buf.count;
1968
1969out_f:
1970 fput(file);
1971out:
1972 return error;
1973}
1974
1975asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg)
1976{
1977 int retval;
1978
1979 switch (op) {
1980 case 1:
1981 /* Reboot */
1982 printk("[%s:%d] irix_uadmin: Wants to reboot...\n",
1983 current->comm, current->pid);
1984 retval = -EINVAL;
1985 goto out;
1986
1987 case 2:
1988 /* Shutdown */
1989 printk("[%s:%d] irix_uadmin: Wants to shutdown...\n",
1990 current->comm, current->pid);
1991 retval = -EINVAL;
1992 goto out;
1993
1994 case 4:
1995 /* Remount-root */
1996 printk("[%s:%d] irix_uadmin: Wants to remount root...\n",
1997 current->comm, current->pid);
1998 retval = -EINVAL;
1999 goto out;
2000
2001 case 8:
2002 /* Kill all tasks. */
2003 printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n",
2004 current->comm, current->pid);
2005 retval = -EINVAL;
2006 goto out;
2007
2008 case 256:
2009 /* Set magic mushrooms... */
2010 printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n",
2011 current->comm, current->pid, (int) func);
2012 retval = -EINVAL;
2013 goto out;
2014
2015 default:
2016 printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n",
2017 current->comm, current->pid, (int) op);
2018 retval = -EINVAL;
2019 goto out;
2020 };
2021
2022out:
2023 return retval;
2024}
2025
2026asmlinkage int irix_utssys(char __user *inbuf, int arg, int type, char __user *outbuf)
2027{
2028 int retval;
2029
2030 switch(type) {
2031 case 0:
2032 /* uname() */
2033 retval = irix_uname((struct iuname __user *)inbuf);
2034 goto out;
2035
2036 case 2:
2037 /* ustat() */
2038 printk("[%s:%d] irix_utssys: Wants to do ustat()\n",
2039 current->comm, current->pid);
2040 retval = -EINVAL;
2041 goto out;
2042
2043 case 3:
2044 /* fusers() */
2045 printk("[%s:%d] irix_utssys: Wants to do fusers()\n",
2046 current->comm, current->pid);
2047 retval = -EINVAL;
2048 goto out;
2049
2050 default:
2051 printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n",
2052 current->comm, current->pid, (int) type);
2053 retval = -EINVAL;
2054 goto out;
2055 }
2056
2057out:
2058 return retval;
2059}
2060
2061#undef DEBUG_FCNTL
2062
2063#define IRIX_F_ALLOCSP 10
2064
2065asmlinkage int irix_fcntl(int fd, int cmd, int arg)
2066{
2067 int retval;
2068
2069#ifdef DEBUG_FCNTL
2070 printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm,
2071 current->pid, fd, cmd, arg);
2072#endif
2073 if (cmd == IRIX_F_ALLOCSP){
2074 return 0;
2075 }
2076 retval = sys_fcntl(fd, cmd, arg);
2077#ifdef DEBUG_FCNTL
2078 printk("%d\n", retval);
2079#endif
2080 return retval;
2081}
2082
2083asmlinkage int irix_ulimit(int cmd, int arg)
2084{
2085 int retval;
2086
2087 switch(cmd) {
2088 case 1:
2089 printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n",
2090 current->comm, current->pid);
2091 retval = -EINVAL;
2092 goto out;
2093
2094 case 2:
2095 printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n",
2096 current->comm, current->pid);
2097 retval = -EINVAL;
2098 goto out;
2099
2100 case 3:
2101 printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n",
2102 current->comm, current->pid);
2103 retval = -EINVAL;
2104 goto out;
2105
2106 case 4:
2107#if 0
2108 printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n",
2109 current->comm, current->pid);
2110 retval = -EINVAL;
2111 goto out;
2112#endif
2113 retval = current->signal->rlim[RLIMIT_NOFILE].rlim_cur;
2114 goto out;
2115
2116 case 5:
2117 printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n",
2118 current->comm, current->pid);
2119 retval = -EINVAL;
2120 goto out;
2121
2122 default:
2123 printk("[%s:%d] irix_ulimit: Unknown command [%d].\n",
2124 current->comm, current->pid, cmd);
2125 retval = -EINVAL;
2126 goto out;
2127 }
2128out:
2129 return retval;
2130}
2131
2132asmlinkage int irix_unimp(struct pt_regs *regs)
2133{
2134 printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx "
2135 "a3=%08lx\n", current->comm, current->pid,
2136 (int) regs->regs[2], (int) regs->regs[3],
2137 regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);
2138
2139 return -ENOSYS;
2140}
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index f9165d1a17bf..b8ea4e9d0d87 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -71,7 +71,6 @@ extern asmlinkage void handle_reserved(void);
71extern int fpu_emulator_cop1Handler(struct pt_regs *xcp, 71extern int fpu_emulator_cop1Handler(struct pt_regs *xcp,
72 struct mips_fpu_struct *ctx, int has_fpu); 72 struct mips_fpu_struct *ctx, int has_fpu);
73 73
74void (*board_watchpoint_handler)(struct pt_regs *regs);
75void (*board_be_init)(void); 74void (*board_be_init)(void);
76int (*board_be_handler)(struct pt_regs *regs, int is_fixup); 75int (*board_be_handler)(struct pt_regs *regs, int is_fixup);
77void (*board_nmi_handler_setup)(void); 76void (*board_nmi_handler_setup)(void);
@@ -249,11 +248,11 @@ static void __show_regs(const struct pt_regs *regs)
249 /* 248 /*
250 * Saved cp0 registers 249 * Saved cp0 registers
251 */ 250 */
252 printk("epc : %0*lx ", field, regs->cp0_epc); 251 printk("epc : %0*lx %pS\n", field, regs->cp0_epc,
253 print_symbol("%s ", regs->cp0_epc); 252 (void *) regs->cp0_epc);
254 printk(" %s\n", print_tainted()); 253 printk(" %s\n", print_tainted());
255 printk("ra : %0*lx ", field, regs->regs[31]); 254 printk("ra : %0*lx %pS\n", field, regs->regs[31],
256 print_symbol("%s\n", regs->regs[31]); 255 (void *) regs->regs[31]);
257 256
258 printk("Status: %08x ", (uint32_t) regs->cp0_status); 257 printk("Status: %08x ", (uint32_t) regs->cp0_status);
259 258
@@ -892,11 +891,6 @@ asmlinkage void do_mdmx(struct pt_regs *regs)
892 891
893asmlinkage void do_watch(struct pt_regs *regs) 892asmlinkage void do_watch(struct pt_regs *regs)
894{ 893{
895 if (board_watchpoint_handler) {
896 (*board_watchpoint_handler)(regs);
897 return;
898 }
899
900 /* 894 /*
901 * We use the watch exception where available to detect stack 895 * We use the watch exception where available to detect stack
902 * overflows. 896 * overflows.
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-08 19:15:07 -0500