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Merge branch 'master' into next
[GitHub/mt8127/android_kernel_alcatel_ttab.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>
192ef366 13#include <asm/irqflags.h>
1da177e4
LT		 14#include <asm/mipsregs.h>
15#include <asm/regdef.h>
16#include <asm/stackframe.h>
17#include <asm/thread_info.h>
18#include <asm/unistd.h>
19
20/* This duplicates the definition from <linux/sched.h> */
21#define PT_TRACESYS 0x00000002 /* tracing system calls */
22
23/* This duplicates the definition from <asm/signal.h> */
24#define SIGILL 4 /* Illegal instruction (ANSI). */
25
26#ifndef CONFIG_MIPS32_O32
27/* No O32, so define handle_sys here */
28#define handle_sysn32 handle_sys
29#endif
30
31 .align 5
32NESTED(handle_sysn32, PT_SIZE, sp)
33#ifndef CONFIG_MIPS32_O32
34 .set noat
35 SAVE_SOME
eae6c0da 36 TRACE_IRQS_ON_RELOAD
1da177e4
LT		 37 STI
38 .set at
39#endif
40
41 dsubu t0, v0, __NR_N32_Linux # check syscall number
42 sltiu t0, t0, __NR_N32_Linux_syscalls + 1
43
44#ifndef CONFIG_MIPS32_O32
45 ld t1, PT_EPC(sp) # skip syscall on return
46 daddiu t1, 4 # skip to next instruction
47 sd t1, PT_EPC(sp)
48#endif
49 beqz t0, not_n32_scall
50
51 dsll t0, v0, 3 # offset into table
52 ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
53
54 sd a3, PT_R26(sp) # save a3 for syscall restarting
55
56 li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
57 LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
58 and t0, t1, t0
59 bnez t0, n32_syscall_trace_entry
60
61 jalr t2 # Do The Real Thing (TM)
62
63 li t0, -EMAXERRNO - 1 # error?
64 sltu t0, t0, v0
65 sd t0, PT_R7(sp) # set error flag
66 beqz t0, 1f
67
8f5a00eb 68 ld t1, PT_R2(sp) # syscall number
1da177e4 69 dnegu v0 # error
8f5a00eb 70 sd t1, PT_R0(sp) # save it for syscall restarting
1da177e4
LT		 711: sd v0, PT_R2(sp) # result
72
73 local_irq_disable # make sure need_resched and
74 # signals dont change between
75 # sampling and return
76 LONG_L a2, TI_FLAGS($28) # current->work
77 li t0, _TIF_ALLWORK_MASK
78 and t0, a2, t0
79 bnez t0, n32_syscall_exit_work
80
81 j restore_partial
82
83n32_syscall_exit_work:
84 j syscall_exit_work_partial
85
86/* ------------------------------------------------------------------------ */
87
88n32_syscall_trace_entry:
89 SAVE_STATIC
90 move s0, t2
91 move a0, sp
92 li a1, 0
93 jal do_syscall_trace
94
04a7052c
RB		 95 move t0, s0
96 RESTORE_STATIC
1da177e4
LT		 97 ld a0, PT_R4(sp) # Restore argument registers
98 ld a1, PT_R5(sp)
99 ld a2, PT_R6(sp)
100 ld a3, PT_R7(sp)
101 ld a4, PT_R8(sp)
102 ld a5, PT_R9(sp)
04a7052c 103 jalr t0
1da177e4
LT		 104
105 li t0, -EMAXERRNO - 1 # error?
106 sltu t0, t0, v0
107 sd t0, PT_R7(sp) # set error flag
108 beqz t0, 1f
109
8f5a00eb 110 ld t1, PT_R2(sp) # syscall number
1da177e4 111 dnegu v0 # error
8f5a00eb 112 sd t1, PT_R0(sp) # save it for syscall restarting
1da177e4
LT		 1131: sd v0, PT_R2(sp) # result
114
115 j syscall_exit
116
117not_n32_scall:
118 /* This is not an n32 compatibility syscall, pass it on to
119 the n64 syscall handlers. */
120 j handle_sys64
121
122 END(handle_sysn32)
123
124EXPORT(sysn32_call_table)
125 PTR sys_read /* 6000 */
126 PTR sys_write
127 PTR sys_open
128 PTR sys_close
129 PTR sys_newstat
130 PTR sys_newfstat /* 6005 */
131 PTR sys_newlstat
132 PTR sys_poll
133 PTR sys_lseek
dbda6ac0 134 PTR sys_mips_mmap
1da177e4
LT		 135 PTR sys_mprotect /* 6010 */
136 PTR sys_munmap
137 PTR sys_brk
dbda6ac0
RB		 138 PTR sys_32_rt_sigaction
139 PTR sys_32_rt_sigprocmask
1da177e4
LT		 140 PTR compat_sys_ioctl /* 6015 */
141 PTR sys_pread64
142 PTR sys_pwrite64
143 PTR compat_sys_readv
144 PTR compat_sys_writev
145 PTR sys_access /* 6020 */
8213bbf9 146 PTR sysm_pipe
1da177e4
LT		 147 PTR compat_sys_select
148 PTR sys_sched_yield
149 PTR sys_mremap
150 PTR sys_msync /* 6025 */
151 PTR sys_mincore
152 PTR sys_madvise
153 PTR sys_shmget
05e43966
AN		 154 PTR sys_shmat
155 PTR compat_sys_shmctl /* 6030 */
1da177e4
LT		 156 PTR sys_dup
157 PTR sys_dup2
158 PTR sys_pause
159 PTR compat_sys_nanosleep
160 PTR compat_sys_getitimer /* 6035 */
161 PTR compat_sys_setitimer
162 PTR sys_alarm
163 PTR sys_getpid
dbda6ac0 164 PTR sys_32_sendfile
1da177e4
LT		 165 PTR sys_socket /* 6040 */
166 PTR sys_connect
167 PTR sys_accept
168 PTR sys_sendto
1dacc76d 169 PTR compat_sys_recvfrom
1da177e4
LT		 170 PTR compat_sys_sendmsg /* 6045 */
171 PTR compat_sys_recvmsg
172 PTR sys_shutdown
173 PTR sys_bind
174 PTR sys_listen
175 PTR sys_getsockname /* 6050 */
176 PTR sys_getpeername
177 PTR sys_socketpair
178 PTR compat_sys_setsockopt
179 PTR sys_getsockopt
180 PTR sys_clone /* 6055 */
181 PTR sys_fork
182 PTR sys32_execve
183 PTR sys_exit
b6e203d8 184 PTR compat_sys_wait4
1da177e4 185 PTR sys_kill /* 6060 */
e28cbf22 186 PTR sys_newuname
1da177e4
LT		 187 PTR sys_semget
188 PTR sys_semop
dbda6ac0 189 PTR sys_n32_semctl
1da177e4
LT		 190 PTR sys_shmdt /* 6065 */
191 PTR sys_msgget
dbda6ac0
RB		 192 PTR sys_n32_msgsnd
193 PTR sys_n32_msgrcv
05e43966 194 PTR compat_sys_msgctl
1da177e4
LT		 195 PTR compat_sys_fcntl /* 6070 */
196 PTR sys_flock
197 PTR sys_fsync
198 PTR sys_fdatasync
199 PTR sys_truncate
200 PTR sys_ftruncate /* 6075 */
2fd628fe 201 PTR compat_sys_getdents
1da177e4
LT		 202 PTR sys_getcwd
203 PTR sys_chdir
204 PTR sys_fchdir
205 PTR sys_rename /* 6080 */
206 PTR sys_mkdir
207 PTR sys_rmdir
208 PTR sys_creat
209 PTR sys_link
210 PTR sys_unlink /* 6085 */
211 PTR sys_symlink
212 PTR sys_readlink
213 PTR sys_chmod
214 PTR sys_fchmod
215 PTR sys_chown /* 6090 */
216 PTR sys_fchown
217 PTR sys_lchown
218 PTR sys_umask
b418da16 219 PTR compat_sys_gettimeofday
1da177e4
LT		 220 PTR compat_sys_getrlimit /* 6095 */
221 PTR compat_sys_getrusage
d4d23add 222 PTR compat_sys_sysinfo
1da177e4 223 PTR compat_sys_times
5d9a76cd 224 PTR compat_sys_ptrace
1da177e4
LT		 225 PTR sys_getuid /* 6100 */
226 PTR sys_syslog
227 PTR sys_getgid
228 PTR sys_setuid
229 PTR sys_setgid
230 PTR sys_geteuid /* 6105 */
231 PTR sys_getegid
232 PTR sys_setpgid
233 PTR sys_getppid
234 PTR sys_getpgrp
235 PTR sys_setsid /* 6110 */
236 PTR sys_setreuid
237 PTR sys_setregid
238 PTR sys_getgroups
239 PTR sys_setgroups
240 PTR sys_setresuid /* 6115 */
241 PTR sys_getresuid
242 PTR sys_setresgid
243 PTR sys_getresgid
244 PTR sys_getpgid
245 PTR sys_setfsuid /* 6120 */
246 PTR sys_setfsgid
247 PTR sys_getsid
248 PTR sys_capget
249 PTR sys_capset
dbda6ac0 250 PTR sys_32_rt_sigpending /* 6125 */
82ad93f4 251 PTR compat_sys_rt_sigtimedwait
dbda6ac0 252 PTR sys_32_rt_sigqueueinfo
82ad93f4 253 PTR sysn32_rt_sigsuspend
1da177e4
LT		 254 PTR sys32_sigaltstack
255 PTR compat_sys_utime /* 6130 */
256 PTR sys_mknod
dbda6ac0 257 PTR sys_32_personality
2b1c6bd7 258 PTR compat_sys_ustat
1da177e4
LT		 259 PTR compat_sys_statfs
260 PTR compat_sys_fstatfs /* 6135 */
261 PTR sys_sysfs
262 PTR sys_getpriority
263 PTR sys_setpriority
264 PTR sys_sched_setparam
265 PTR sys_sched_getparam /* 6140 */
266 PTR sys_sched_setscheduler
267 PTR sys_sched_getscheduler
268 PTR sys_sched_get_priority_max
269 PTR sys_sched_get_priority_min
dbda6ac0 270 PTR sys_32_sched_rr_get_interval /* 6145 */
1da177e4
LT		 271 PTR sys_mlock
272 PTR sys_munlock
273 PTR sys_mlockall
274 PTR sys_munlockall
275 PTR sys_vhangup /* 6150 */
276 PTR sys_pivot_root
aff639cd 277 PTR compat_sys_sysctl
1da177e4 278 PTR sys_prctl
3158e941 279 PTR compat_sys_adjtimex
1da177e4
LT		 280 PTR compat_sys_setrlimit /* 6155 */
281 PTR sys_chroot
282 PTR sys_sync
283 PTR sys_acct
b418da16 284 PTR compat_sys_settimeofday
089c7e7f 285 PTR compat_sys_mount /* 6160 */
1da177e4
LT		 286 PTR sys_umount
287 PTR sys_swapon
288 PTR sys_swapoff
289 PTR sys_reboot
290 PTR sys_sethostname /* 6165 */
291 PTR sys_setdomainname
292 PTR sys_ni_syscall /* was create_module */
293 PTR sys_init_module
294 PTR sys_delete_module
295 PTR sys_ni_syscall /* 6170, was get_kernel_syms */
296 PTR sys_ni_syscall /* was query_module */
297 PTR sys_quotactl
72e51065 298 PTR compat_sys_nfsservctl
1da177e4
LT		 299 PTR sys_ni_syscall /* res. for getpmsg */
300 PTR sys_ni_syscall /* 6175 for putpmsg */
301 PTR sys_ni_syscall /* res. for afs_syscall */
302 PTR sys_ni_syscall /* res. for security */
303 PTR sys_gettid
8676d2e0 304 PTR sys_readahead
1da177e4
LT		 305 PTR sys_setxattr /* 6180 */
306 PTR sys_lsetxattr
307 PTR sys_fsetxattr
308 PTR sys_getxattr
309 PTR sys_lgetxattr
310 PTR sys_fgetxattr /* 6185 */
311 PTR sys_listxattr
312 PTR sys_llistxattr
313 PTR sys_flistxattr
314 PTR sys_removexattr
315 PTR sys_lremovexattr /* 6190 */
316 PTR sys_fremovexattr
317 PTR sys_tkill
318 PTR sys_ni_syscall
319 PTR compat_sys_futex
320 PTR compat_sys_sched_setaffinity /* 6195 */
321 PTR compat_sys_sched_getaffinity
322 PTR sys_cacheflush
323 PTR sys_cachectl
324 PTR sys_sysmips
e2cc502c 325 PTR compat_sys_io_setup /* 6200 */
1da177e4 326 PTR sys_io_destroy
e2cc502c
MT		 327 PTR compat_sys_io_getevents
328 PTR compat_sys_io_submit
1da177e4
LT		 329 PTR sys_io_cancel
330 PTR sys_exit_group /* 6205 */
331 PTR sys_lookup_dcookie
332 PTR sys_epoll_create
333 PTR sys_epoll_ctl
334 PTR sys_epoll_wait
335 PTR sys_remap_file_pages /* 6210 */
336 PTR sysn32_rt_sigreturn
589391a0 337 PTR compat_sys_fcntl64
1da177e4
LT		 338 PTR sys_set_tid_address
339 PTR sys_restart_syscall
05e43966 340 PTR compat_sys_semtimedop /* 6215 */
1da177e4
LT		 341 PTR sys_fadvise64_64
342 PTR compat_sys_statfs64
343 PTR compat_sys_fstatfs64
344 PTR sys_sendfile64
821d313c 345 PTR compat_sys_timer_create /* 6220 */
d1abb6a2
RB		 346 PTR compat_sys_timer_settime
347 PTR compat_sys_timer_gettime
1da177e4
LT		 348 PTR sys_timer_getoverrun
349 PTR sys_timer_delete
d1abb6a2
RB		 350 PTR compat_sys_clock_settime /* 6225 */
351 PTR compat_sys_clock_gettime
352 PTR compat_sys_clock_getres
353 PTR compat_sys_clock_nanosleep
1da177e4
LT		 354 PTR sys_tgkill
355 PTR compat_sys_utimes /* 6230 */
356 PTR sys_ni_syscall /* sys_mbind */
357 PTR sys_ni_syscall /* sys_get_mempolicy */
358 PTR sys_ni_syscall /* sys_set_mempolicy */
359 PTR compat_sys_mq_open
360 PTR sys_mq_unlink /* 6235 */
361 PTR compat_sys_mq_timedsend
362 PTR compat_sys_mq_timedreceive
363 PTR compat_sys_mq_notify
364 PTR compat_sys_mq_getsetattr
365 PTR sys_ni_syscall /* 6240, sys_vserver */
440537ef 366 PTR compat_sys_waitid
1da177e4
LT		 367 PTR sys_ni_syscall /* available, was setaltroot */
368 PTR sys_add_key
369 PTR sys_request_key
370 PTR sys_keyctl /* 6245 */
3c37026d 371 PTR sys_set_thread_area
8d9c6267
RB		 372 PTR sys_inotify_init
373 PTR sys_inotify_add_watch
374 PTR sys_inotify_rm_watch
72bf8914
RB		 375 PTR sys_migrate_pages /* 6250 */
376 PTR sys_openat
377 PTR sys_mkdirat
378 PTR sys_mknodat
379 PTR sys_fchownat
82411390 380 PTR compat_sys_futimesat /* 6255 */
72bf8914
RB		 381 PTR sys_newfstatat
382 PTR sys_unlinkat
383 PTR sys_renameat
384 PTR sys_linkat
385 PTR sys_symlinkat /* 6260 */
386 PTR sys_readlinkat
387 PTR sys_fchmodat
388 PTR sys_faccessat
99d233fa 389 PTR compat_sys_pselect6
46afb829 390 PTR compat_sys_ppoll /* 6265 */
72bf8914 391 PTR sys_unshare
f115da9c 392 PTR sys_splice
a8d587a7 393 PTR sys_sync_file_range
136d47d3 394 PTR sys_tee
8d13cb26 395 PTR compat_sys_vmsplice /* 6270 */
722cfd90 396 PTR sys_move_pages
7fdeb048
AN		 397 PTR compat_sys_set_robust_list
398 PTR compat_sys_get_robust_list
583bb86f 399 PTR compat_sys_kexec_load
08253b39 400 PTR sys_getcpu /* 6275 */
431dc804 401 PTR compat_sys_epoll_pwait
08253b39
RB		 402 PTR sys_ioprio_set
403 PTR sys_ioprio_get
7a6d4f38 404 PTR compat_sys_utimensat
e10c53a5 405 PTR compat_sys_signalfd /* 6280 */
8bdd5142 406 PTR sys_ni_syscall /* was timerfd */
7a6d4f38 407 PTR sys_eventfd
4dc46775 408 PTR sys_fallocate
6783fe62 409 PTR sys_timerfd_create
e10c53a5 410 PTR compat_sys_timerfd_gettime /* 6285 */
c7d16736 411 PTR compat_sys_timerfd_settime
3885b71b
RB		 412 PTR sys_signalfd4
413 PTR sys_eventfd2
414 PTR sys_epoll_create1
e10c53a5 415 PTR sys_dup3 /* 6290 */
3885b71b
RB		 416 PTR sys_pipe2
417 PTR sys_inotify_init1
ddd9e91b
RB		 418 PTR sys_preadv
419 PTR sys_pwritev
e10c53a5 420 PTR compat_sys_rt_tgsigqueueinfo /* 6295 */
cdd6c482 421 PTR sys_perf_event_open
54822de7 422 PTR sys_accept4
a2e27255 423 PTR compat_sys_recvmmsg
e9fb4d84 424 PTR sys_getdents64
5e844b31
DD		 425 PTR sys_fanotify_init /* 6300 */
426 PTR sys_fanotify_mark
427 PTR sys_prlimit64
84ed9432
DD		 428 PTR sys_name_to_handle_at
429 PTR sys_open_by_handle_at
430 PTR compat_sys_clock_adjtime /* 6305 */
1bbf2875 431 PTR sys_syncfs
08253b39 432 .size sysn32_call_table,.-sysn32_call_table
kernel source for telekom puls (alcatel/mediatek)