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[MIPS] Eleminate interrupt migration helper use.
[net-next-2.6.git] / arch / mips / kernel / scall64-n32.S
CommitLineData
1da177e4
LT		 1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2001 MIPS Technologies, Inc.
9 */
1da177e4
LT		 10#include <linux/errno.h>
11#include <asm/asm.h>
12#include <asm/asmmacro.h>
13#include <asm/mipsregs.h>
14#include <asm/regdef.h>
15#include <asm/stackframe.h>
16#include <asm/thread_info.h>
17#include <asm/unistd.h>
18
19/* This duplicates the definition from <linux/sched.h> */
20#define PT_TRACESYS 0x00000002 /* tracing system calls */
21
22/* This duplicates the definition from <asm/signal.h> */
23#define SIGILL 4 /* Illegal instruction (ANSI). */
24
25#ifndef CONFIG_MIPS32_O32
26/* No O32, so define handle_sys here */
27#define handle_sysn32 handle_sys
28#endif
29
30 .align 5
31NESTED(handle_sysn32, PT_SIZE, sp)
32#ifndef CONFIG_MIPS32_O32
33 .set noat
34 SAVE_SOME
35 STI
36 .set at
37#endif
38
39 dsubu t0, v0, __NR_N32_Linux # check syscall number
40 sltiu t0, t0, __NR_N32_Linux_syscalls + 1
41
42#ifndef CONFIG_MIPS32_O32
43 ld t1, PT_EPC(sp) # skip syscall on return
44 daddiu t1, 4 # skip to next instruction
45 sd t1, PT_EPC(sp)
46#endif
47 beqz t0, not_n32_scall
48
49 dsll t0, v0, 3 # offset into table
50 ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
51
52 sd a3, PT_R26(sp) # save a3 for syscall restarting
53
54 li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
55 LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
56 and t0, t1, t0
57 bnez t0, n32_syscall_trace_entry
58
59 jalr t2 # Do The Real Thing (TM)
60
61 li t0, -EMAXERRNO - 1 # error?
62 sltu t0, t0, v0
63 sd t0, PT_R7(sp) # set error flag
64 beqz t0, 1f
65
66 dnegu v0 # error
67 sd v0, PT_R0(sp) # set flag for syscall restarting
681: sd v0, PT_R2(sp) # result
69
70 local_irq_disable # make sure need_resched and
71 # signals dont change between
72 # sampling and return
73 LONG_L a2, TI_FLAGS($28) # current->work
74 li t0, _TIF_ALLWORK_MASK
75 and t0, a2, t0
76 bnez t0, n32_syscall_exit_work
77
78 j restore_partial
79
80n32_syscall_exit_work:
81 j syscall_exit_work_partial
82
83/* ------------------------------------------------------------------------ */
84
85n32_syscall_trace_entry:
86 SAVE_STATIC
87 move s0, t2
88 move a0, sp
89 li a1, 0
90 jal do_syscall_trace
91
04a7052c
RB		 92 move t0, s0
93 RESTORE_STATIC
1da177e4
LT		 94 ld a0, PT_R4(sp) # Restore argument registers
95 ld a1, PT_R5(sp)
96 ld a2, PT_R6(sp)
97 ld a3, PT_R7(sp)
98 ld a4, PT_R8(sp)
99 ld a5, PT_R9(sp)
04a7052c 100 jalr t0
1da177e4
LT		 101
102 li t0, -EMAXERRNO - 1 # error?
103 sltu t0, t0, v0
104 sd t0, PT_R7(sp) # set error flag
105 beqz t0, 1f
106
107 dnegu v0 # error
108 sd v0, PT_R0(sp) # set flag for syscall restarting
1091: sd v0, PT_R2(sp) # result
110
111 j syscall_exit
112
113not_n32_scall:
114 /* This is not an n32 compatibility syscall, pass it on to
115 the n64 syscall handlers. */
116 j handle_sys64
117
118 END(handle_sysn32)
119
120EXPORT(sysn32_call_table)
121 PTR sys_read /* 6000 */
122 PTR sys_write
123 PTR sys_open
124 PTR sys_close
125 PTR sys_newstat
126 PTR sys_newfstat /* 6005 */
127 PTR sys_newlstat
128 PTR sys_poll
129 PTR sys_lseek
130 PTR old_mmap
131 PTR sys_mprotect /* 6010 */
132 PTR sys_munmap
133 PTR sys_brk
134 PTR sys32_rt_sigaction
135 PTR sys32_rt_sigprocmask
136 PTR compat_sys_ioctl /* 6015 */
137 PTR sys_pread64
138 PTR sys_pwrite64
139 PTR compat_sys_readv
140 PTR compat_sys_writev
141 PTR sys_access /* 6020 */
142 PTR sys_pipe
143 PTR compat_sys_select
144 PTR sys_sched_yield
145 PTR sys_mremap
146 PTR sys_msync /* 6025 */
147 PTR sys_mincore
148 PTR sys_madvise
149 PTR sys_shmget
150 PTR sys32_shmat
151 PTR sys_shmctl /* 6030 */
152 PTR sys_dup
153 PTR sys_dup2
154 PTR sys_pause
155 PTR compat_sys_nanosleep
156 PTR compat_sys_getitimer /* 6035 */
157 PTR compat_sys_setitimer
158 PTR sys_alarm
159 PTR sys_getpid
160 PTR sys32_sendfile
161 PTR sys_socket /* 6040 */
162 PTR sys_connect
163 PTR sys_accept
164 PTR sys_sendto
165 PTR sys_recvfrom
166 PTR compat_sys_sendmsg /* 6045 */
167 PTR compat_sys_recvmsg
168 PTR sys_shutdown
169 PTR sys_bind
170 PTR sys_listen
171 PTR sys_getsockname /* 6050 */
172 PTR sys_getpeername
173 PTR sys_socketpair
174 PTR compat_sys_setsockopt
175 PTR sys_getsockopt
176 PTR sys_clone /* 6055 */
177 PTR sys_fork
178 PTR sys32_execve
179 PTR sys_exit
b6e203d8 180 PTR compat_sys_wait4
1da177e4
LT		 181 PTR sys_kill /* 6060 */
182 PTR sys32_newuname
183 PTR sys_semget
184 PTR sys_semop
185 PTR sys_semctl
186 PTR sys_shmdt /* 6065 */
187 PTR sys_msgget
188 PTR sys_msgsnd
189 PTR sys_msgrcv
190 PTR sys_msgctl
191 PTR compat_sys_fcntl /* 6070 */
192 PTR sys_flock
193 PTR sys_fsync
194 PTR sys_fdatasync
195 PTR sys_truncate
196 PTR sys_ftruncate /* 6075 */
2fd628fe 197 PTR compat_sys_getdents
1da177e4
LT		 198 PTR sys_getcwd
199 PTR sys_chdir
200 PTR sys_fchdir
201 PTR sys_rename /* 6080 */
202 PTR sys_mkdir
203 PTR sys_rmdir
204 PTR sys_creat
205 PTR sys_link
206 PTR sys_unlink /* 6085 */
207 PTR sys_symlink
208 PTR sys_readlink
209 PTR sys_chmod
210 PTR sys_fchmod
211 PTR sys_chown /* 6090 */
212 PTR sys_fchown
213 PTR sys_lchown
214 PTR sys_umask
215 PTR sys32_gettimeofday
216 PTR compat_sys_getrlimit /* 6095 */
217 PTR compat_sys_getrusage
218 PTR sys32_sysinfo
219 PTR compat_sys_times
ea3d710f 220 PTR sys32_ptrace
1da177e4
LT		 221 PTR sys_getuid /* 6100 */
222 PTR sys_syslog
223 PTR sys_getgid
224 PTR sys_setuid
225 PTR sys_setgid
226 PTR sys_geteuid /* 6105 */
227 PTR sys_getegid
228 PTR sys_setpgid
229 PTR sys_getppid
230 PTR sys_getpgrp
231 PTR sys_setsid /* 6110 */
232 PTR sys_setreuid
233 PTR sys_setregid
234 PTR sys_getgroups
235 PTR sys_setgroups
236 PTR sys_setresuid /* 6115 */
237 PTR sys_getresuid
238 PTR sys_setresgid
239 PTR sys_getresgid
240 PTR sys_getpgid
241 PTR sys_setfsuid /* 6120 */
242 PTR sys_setfsgid
243 PTR sys_getsid
244 PTR sys_capget
245 PTR sys_capset
246 PTR sys32_rt_sigpending /* 6125 */
82ad93f4 247 PTR compat_sys_rt_sigtimedwait
d1abb6a2 248 PTR sys_rt_sigqueueinfo
82ad93f4 249 PTR sysn32_rt_sigsuspend
1da177e4
LT		 250 PTR sys32_sigaltstack
251 PTR compat_sys_utime /* 6130 */
252 PTR sys_mknod
253 PTR sys32_personality
cce812c9 254 PTR sys32_ustat
1da177e4
LT		 255 PTR compat_sys_statfs
256 PTR compat_sys_fstatfs /* 6135 */
257 PTR sys_sysfs
258 PTR sys_getpriority
259 PTR sys_setpriority
260 PTR sys_sched_setparam
261 PTR sys_sched_getparam /* 6140 */
262 PTR sys_sched_setscheduler
263 PTR sys_sched_getscheduler
264 PTR sys_sched_get_priority_max
265 PTR sys_sched_get_priority_min
266 PTR sys32_sched_rr_get_interval /* 6145 */
267 PTR sys_mlock
268 PTR sys_munlock
269 PTR sys_mlockall
270 PTR sys_munlockall
271 PTR sys_vhangup /* 6150 */
272 PTR sys_pivot_root
273 PTR sys32_sysctl
274 PTR sys_prctl
3158e941 275 PTR compat_sys_adjtimex
1da177e4
LT		 276 PTR compat_sys_setrlimit /* 6155 */
277 PTR sys_chroot
278 PTR sys_sync
279 PTR sys_acct
280 PTR sys32_settimeofday
281 PTR sys_mount /* 6160 */
282 PTR sys_umount
283 PTR sys_swapon
284 PTR sys_swapoff
285 PTR sys_reboot
286 PTR sys_sethostname /* 6165 */
287 PTR sys_setdomainname
288 PTR sys_ni_syscall /* was create_module */
289 PTR sys_init_module
290 PTR sys_delete_module
291 PTR sys_ni_syscall /* 6170, was get_kernel_syms */
292 PTR sys_ni_syscall /* was query_module */
293 PTR sys_quotactl
294 PTR sys_nfsservctl
295 PTR sys_ni_syscall /* res. for getpmsg */
296 PTR sys_ni_syscall /* 6175 for putpmsg */
297 PTR sys_ni_syscall /* res. for afs_syscall */
298 PTR sys_ni_syscall /* res. for security */
299 PTR sys_gettid
300 PTR sys32_readahead
301 PTR sys_setxattr /* 6180 */
302 PTR sys_lsetxattr
303 PTR sys_fsetxattr
304 PTR sys_getxattr
305 PTR sys_lgetxattr
306 PTR sys_fgetxattr /* 6185 */
307 PTR sys_listxattr
308 PTR sys_llistxattr
309 PTR sys_flistxattr
310 PTR sys_removexattr
311 PTR sys_lremovexattr /* 6190 */
312 PTR sys_fremovexattr
313 PTR sys_tkill
314 PTR sys_ni_syscall
315 PTR compat_sys_futex
316 PTR compat_sys_sched_setaffinity /* 6195 */
317 PTR compat_sys_sched_getaffinity
318 PTR sys_cacheflush
319 PTR sys_cachectl
320 PTR sys_sysmips
321 PTR sys_io_setup /* 6200 */
322 PTR sys_io_destroy
323 PTR sys_io_getevents
324 PTR sys_io_submit
325 PTR sys_io_cancel
326 PTR sys_exit_group /* 6205 */
327 PTR sys_lookup_dcookie
328 PTR sys_epoll_create
329 PTR sys_epoll_ctl
330 PTR sys_epoll_wait
331 PTR sys_remap_file_pages /* 6210 */
332 PTR sysn32_rt_sigreturn
589391a0 333 PTR compat_sys_fcntl64
1da177e4
LT		 334 PTR sys_set_tid_address
335 PTR sys_restart_syscall
336 PTR sys_semtimedop /* 6215 */
337 PTR sys_fadvise64_64
338 PTR compat_sys_statfs64
339 PTR compat_sys_fstatfs64
340 PTR sys_sendfile64
d1abb6a2
RB		 341 PTR sys32_timer_create /* 6220 */
342 PTR compat_sys_timer_settime
343 PTR compat_sys_timer_gettime
1da177e4
LT		 344 PTR sys_timer_getoverrun
345 PTR sys_timer_delete
d1abb6a2
RB		 346 PTR compat_sys_clock_settime /* 6225 */
347 PTR compat_sys_clock_gettime
348 PTR compat_sys_clock_getres
349 PTR compat_sys_clock_nanosleep
1da177e4
LT		 350 PTR sys_tgkill
351 PTR compat_sys_utimes /* 6230 */
352 PTR sys_ni_syscall /* sys_mbind */
353 PTR sys_ni_syscall /* sys_get_mempolicy */
354 PTR sys_ni_syscall /* sys_set_mempolicy */
355 PTR compat_sys_mq_open
356 PTR sys_mq_unlink /* 6235 */
357 PTR compat_sys_mq_timedsend
358 PTR compat_sys_mq_timedreceive
359 PTR compat_sys_mq_notify
360 PTR compat_sys_mq_getsetattr
361 PTR sys_ni_syscall /* 6240, sys_vserver */
54f2da75 362 PTR sysn32_waitid
1da177e4
LT		 363 PTR sys_ni_syscall /* available, was setaltroot */
364 PTR sys_add_key
365 PTR sys_request_key
366 PTR sys_keyctl /* 6245 */
3c37026d 367 PTR sys_set_thread_area
8d9c6267
RB		 368 PTR sys_inotify_init
369 PTR sys_inotify_add_watch
370 PTR sys_inotify_rm_watch
72bf8914
RB		 371 PTR sys_migrate_pages /* 6250 */
372 PTR sys_openat
373 PTR sys_mkdirat
374 PTR sys_mknodat
375 PTR sys_fchownat
376 PTR sys_futimesat /* 6255 */
377 PTR sys_newfstatat
378 PTR sys_unlinkat
379 PTR sys_renameat
380 PTR sys_linkat
381 PTR sys_symlinkat /* 6260 */
382 PTR sys_readlinkat
383 PTR sys_fchmodat
384 PTR sys_faccessat
385 PTR sys_pselect6
386 PTR sys_ppoll /* 6265 */
387 PTR sys_unshare
f115da9c 388 PTR sys_splice
a8d587a7 389 PTR sys_sync_file_range
136d47d3 390 PTR sys_tee
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