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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, 02 by Ralf Baechle | |
7 | * Copyright (C) 2001 MIPS Technologies, Inc. | |
8 | * Copyright (C) 2004 Thiemo Seufer | |
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/isadep.h> | |
17 | #include <asm/sysmips.h> | |
18 | #include <asm/thread_info.h> | |
19 | #include <asm/unistd.h> | |
20 | #include <asm/war.h> | |
048eb582 | 21 | #include <asm/asm-offsets.h> |
1da177e4 LT |
22 | |
23 | /* Highest syscall used of any syscall flavour */ | |
24 | #define MAX_SYSCALL_NO __NR_O32_Linux + __NR_O32_Linux_syscalls | |
25 | ||
26 | .align 5 | |
27 | NESTED(handle_sys, PT_SIZE, sp) | |
28 | .set noat | |
29 | SAVE_SOME | |
30 | STI | |
31 | .set at | |
32 | ||
33 | lw t1, PT_EPC(sp) # skip syscall on return | |
34 | ||
35 | #if defined(CONFIG_BINFMT_IRIX) | |
36 | sltiu t0, v0, MAX_SYSCALL_NO + 1 # check syscall number | |
37 | #else | |
38 | subu v0, v0, __NR_O32_Linux # check syscall number | |
39 | sltiu t0, v0, __NR_O32_Linux_syscalls + 1 | |
40 | #endif | |
41 | addiu t1, 4 # skip to next instruction | |
42 | sw t1, PT_EPC(sp) | |
43 | beqz t0, illegal_syscall | |
44 | ||
45 | sll t0, v0, 3 | |
46 | la t1, sys_call_table | |
47 | addu t1, t0 | |
48 | lw t2, (t1) # syscall routine | |
49 | lw t3, 4(t1) # >= 0 if we need stack arguments | |
50 | beqz t2, illegal_syscall | |
51 | ||
52 | sw a3, PT_R26(sp) # save a3 for syscall restarting | |
53 | bgez t3, stackargs | |
54 | ||
55 | stack_done: | |
56 | lw t0, TI_FLAGS($28) # syscall tracing enabled? | |
57 | li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | |
58 | and t0, t1 | |
59 | bnez t0, syscall_trace_entry # -> yes | |
60 | ||
61 | jalr t2 # Do The Real Thing (TM) | |
62 | ||
63 | li t0, -EMAXERRNO - 1 # error? | |
64 | sltu t0, t0, v0 | |
65 | sw t0, PT_R7(sp) # set error flag | |
66 | beqz t0, 1f | |
67 | ||
68 | negu v0 # error | |
69 | sw v0, PT_R0(sp) # set flag for syscall | |
70 | # restarting | |
71 | 1: sw v0, PT_R2(sp) # result | |
72 | ||
73 | o32_syscall_exit: | |
74 | local_irq_disable # make sure need_resched and | |
75 | # signals dont change between | |
76 | # sampling and return | |
77 | lw a2, TI_FLAGS($28) # current->work | |
78 | li t0, _TIF_ALLWORK_MASK | |
79 | and t0, a2 | |
80 | bnez t0, o32_syscall_exit_work | |
81 | ||
82 | j restore_partial | |
83 | ||
84 | o32_syscall_exit_work: | |
85 | j syscall_exit_work_partial | |
86 | ||
87 | /* ------------------------------------------------------------------------ */ | |
88 | ||
89 | syscall_trace_entry: | |
90 | SAVE_STATIC | |
91 | move s0, t2 | |
92 | move a0, sp | |
93 | li a1, 0 | |
94 | jal do_syscall_trace | |
95 | ||
04a7052c RB |
96 | move t0, s0 |
97 | RESTORE_STATIC | |
1da177e4 LT |
98 | lw a0, PT_R4(sp) # Restore argument registers |
99 | lw a1, PT_R5(sp) | |
100 | lw a2, PT_R6(sp) | |
101 | lw a3, PT_R7(sp) | |
04a7052c | 102 | jalr t0 |
1da177e4 LT |
103 | |
104 | li t0, -EMAXERRNO - 1 # error? | |
105 | sltu t0, t0, v0 | |
106 | sw t0, PT_R7(sp) # set error flag | |
107 | beqz t0, 1f | |
108 | ||
109 | negu v0 # error | |
110 | sw v0, PT_R0(sp) # set flag for syscall | |
111 | # restarting | |
112 | 1: sw v0, PT_R2(sp) # result | |
113 | ||
114 | j syscall_exit | |
115 | ||
116 | /* ------------------------------------------------------------------------ */ | |
117 | ||
118 | /* | |
119 | * More than four arguments. Try to deal with it by copying the | |
120 | * stack arguments from the user stack to the kernel stack. | |
121 | * This Sucks (TM). | |
122 | */ | |
123 | stackargs: | |
124 | lw t0, PT_R29(sp) # get old user stack pointer | |
125 | ||
126 | /* | |
127 | * We intentionally keep the kernel stack a little below the top of | |
128 | * userspace so we don't have to do a slower byte accurate check here. | |
129 | */ | |
130 | lw t5, TI_ADDR_LIMIT($28) | |
131 | addu t4, t0, 32 | |
132 | and t5, t4 | |
133 | bltz t5, bad_stack # -> sp is bad | |
134 | ||
135 | /* Ok, copy the args from the luser stack to the kernel stack. | |
136 | * t3 is the precomputed number of instruction bytes needed to | |
137 | * load or store arguments 6-8. | |
138 | */ | |
139 | ||
140 | la t1, 5f # load up to 3 arguments | |
141 | subu t1, t3 | |
142 | 1: lw t5, 16(t0) # argument #5 from usp | |
143 | .set push | |
144 | .set noreorder | |
145 | .set nomacro | |
146 | jr t1 | |
147 | addiu t1, 6f - 5f | |
148 | ||
149 | 2: lw t8, 28(t0) # argument #8 from usp | |
150 | 3: lw t7, 24(t0) # argument #7 from usp | |
151 | 4: lw t6, 20(t0) # argument #6 from usp | |
152 | 5: jr t1 | |
153 | sw t5, 16(sp) # argument #5 to ksp | |
154 | ||
155 | sw t8, 28(sp) # argument #8 to ksp | |
156 | sw t7, 24(sp) # argument #7 to ksp | |
157 | sw t6, 20(sp) # argument #6 to ksp | |
158 | 6: j stack_done # go back | |
159 | nop | |
160 | .set pop | |
161 | ||
162 | .section __ex_table,"a" | |
163 | PTR 1b,bad_stack | |
164 | PTR 2b,bad_stack | |
165 | PTR 3b,bad_stack | |
166 | PTR 4b,bad_stack | |
167 | .previous | |
168 | ||
169 | /* | |
170 | * The stackpointer for a call with more than 4 arguments is bad. | |
171 | * We probably should handle this case a bit more drastic. | |
172 | */ | |
173 | bad_stack: | |
174 | negu v0 # error | |
175 | sw v0, PT_R0(sp) | |
176 | sw v0, PT_R2(sp) | |
177 | li t0, 1 # set error flag | |
178 | sw t0, PT_R7(sp) | |
179 | j o32_syscall_exit | |
180 | ||
181 | /* | |
182 | * The system call does not exist in this kernel | |
183 | */ | |
184 | illegal_syscall: | |
185 | li v0, -ENOSYS # error | |
186 | sw v0, PT_R2(sp) | |
187 | li t0, 1 # set error flag | |
188 | sw t0, PT_R7(sp) | |
189 | j o32_syscall_exit | |
190 | END(handle_sys) | |
191 | ||
192 | LEAF(mips_atomic_set) | |
193 | andi v0, a1, 3 # must be word aligned | |
194 | bnez v0, bad_alignment | |
195 | ||
196 | lw v1, TI_ADDR_LIMIT($28) # in legal address range? | |
197 | addiu a0, a1, 4 | |
198 | or a0, a0, a1 | |
199 | and a0, a0, v1 | |
200 | bltz a0, bad_address | |
201 | ||
202 | #ifdef CONFIG_CPU_HAS_LLSC | |
203 | /* Ok, this is the ll/sc case. World is sane :-) */ | |
204 | 1: ll v0, (a1) | |
205 | move a0, a2 | |
206 | 2: sc a0, (a1) | |
207 | #if R10000_LLSC_WAR | |
208 | beqzl a0, 1b | |
209 | #else | |
210 | beqz a0, 1b | |
211 | #endif | |
212 | ||
213 | .section __ex_table,"a" | |
214 | PTR 1b, bad_stack | |
215 | PTR 2b, bad_stack | |
216 | .previous | |
217 | #else | |
218 | sw a1, 16(sp) | |
219 | sw a2, 20(sp) | |
220 | ||
221 | move a0, sp | |
222 | move a2, a1 | |
223 | li a1, 1 | |
224 | jal do_page_fault | |
225 | ||
226 | lw a1, 16(sp) | |
227 | lw a2, 20(sp) | |
228 | ||
229 | /* | |
230 | * At this point the page should be readable and writable unless | |
231 | * there was no more memory available. | |
232 | */ | |
233 | 1: lw v0, (a1) | |
234 | 2: sw a2, (a1) | |
235 | ||
236 | .section __ex_table,"a" | |
237 | PTR 1b, no_mem | |
238 | PTR 2b, no_mem | |
239 | .previous | |
240 | #endif | |
241 | ||
242 | sw zero, PT_R7(sp) # success | |
243 | sw v0, PT_R2(sp) # result | |
244 | ||
edcb98d1 | 245 | j o32_syscall_exit # continue like a normal syscall |
1da177e4 LT |
246 | |
247 | no_mem: li v0, -ENOMEM | |
248 | jr ra | |
249 | ||
250 | bad_address: | |
251 | li v0, -EFAULT | |
252 | jr ra | |
253 | ||
254 | bad_alignment: | |
255 | li v0, -EINVAL | |
256 | jr ra | |
257 | END(mips_atomic_set) | |
258 | ||
259 | LEAF(sys_sysmips) | |
260 | beq a0, MIPS_ATOMIC_SET, mips_atomic_set | |
261 | j _sys_sysmips | |
262 | END(sys_sysmips) | |
263 | ||
264 | LEAF(sys_syscall) | |
265 | #if defined(CONFIG_BINFMT_IRIX) | |
266 | sltiu v0, a0, MAX_SYSCALL_NO + 1 # check syscall number | |
267 | #else | |
268 | subu t0, a0, __NR_O32_Linux # check syscall number | |
269 | sltiu v0, t0, __NR_O32_Linux_syscalls + 1 | |
270 | #endif | |
271 | sll t1, t0, 3 | |
272 | beqz v0, einval | |
273 | ||
274 | lw t2, sys_call_table(t1) # syscall routine | |
275 | ||
276 | #if defined(CONFIG_BINFMT_IRIX) | |
277 | li v1, 4000 # nr of sys_syscall | |
278 | #else | |
279 | li v1, 4000 - __NR_O32_Linux # index of sys_syscall | |
280 | #endif | |
281 | beq t0, v1, einval # do not recurse | |
282 | ||
283 | /* Some syscalls like execve get their arguments from struct pt_regs | |
284 | and claim zero arguments in the syscall table. Thus we have to | |
285 | assume the worst case and shuffle around all potential arguments. | |
286 | If you want performance, don't use indirect syscalls. */ | |
287 | ||
288 | move a0, a1 # shift argument registers | |
289 | move a1, a2 | |
290 | move a2, a3 | |
291 | lw a3, 16(sp) | |
292 | lw t4, 20(sp) | |
293 | lw t5, 24(sp) | |
294 | lw t6, 28(sp) | |
295 | sw t4, 16(sp) | |
296 | sw t5, 20(sp) | |
297 | sw t6, 24(sp) | |
298 | sw a0, PT_R4(sp) # .. and push back a0 - a3, some | |
299 | sw a1, PT_R5(sp) # syscalls expect them there | |
300 | sw a2, PT_R6(sp) | |
301 | sw a3, PT_R7(sp) | |
302 | sw a3, PT_R26(sp) # update a3 for syscall restarting | |
303 | jr t2 | |
304 | /* Unreached */ | |
305 | ||
306 | einval: li v0, -EINVAL | |
307 | jr ra | |
308 | END(sys_syscall) | |
309 | ||
310 | .macro fifty ptr, nargs, from=1, to=50 | |
311 | sys \ptr \nargs | |
312 | .if \to-\from | |
313 | fifty \ptr,\nargs,"(\from+1)",\to | |
314 | .endif | |
315 | .endm | |
316 | ||
317 | .macro mille ptr, nargs, from=1, to=20 | |
318 | fifty \ptr,\nargs | |
319 | .if \to-\from | |
320 | mille \ptr,\nargs,"(\from+1)",\to | |
321 | .endif | |
322 | .endm | |
323 | ||
324 | .macro syscalltable | |
325 | #if defined(CONFIG_BINFMT_IRIX) | |
326 | mille sys_ni_syscall 0 /* 0 - 999 SVR4 flavour */ | |
327 | mille sys_ni_syscall 0 /* 1000 - 1999 32-bit IRIX */ | |
328 | mille sys_ni_syscall 0 /* 2000 - 2999 BSD43 flavour */ | |
329 | mille sys_ni_syscall 0 /* 3000 - 3999 POSIX flavour */ | |
330 | #endif | |
331 | ||
332 | sys sys_syscall 8 /* 4000 */ | |
333 | sys sys_exit 1 | |
334 | sys sys_fork 0 | |
335 | sys sys_read 3 | |
336 | sys sys_write 3 | |
337 | sys sys_open 3 /* 4005 */ | |
338 | sys sys_close 1 | |
339 | sys sys_waitpid 3 | |
340 | sys sys_creat 2 | |
341 | sys sys_link 2 | |
342 | sys sys_unlink 1 /* 4010 */ | |
343 | sys sys_execve 0 | |
344 | sys sys_chdir 1 | |
345 | sys sys_time 1 | |
346 | sys sys_mknod 3 | |
347 | sys sys_chmod 2 /* 4015 */ | |
348 | sys sys_lchown 3 | |
349 | sys sys_ni_syscall 0 | |
350 | sys sys_ni_syscall 0 /* was sys_stat */ | |
351 | sys sys_lseek 3 | |
352 | sys sys_getpid 0 /* 4020 */ | |
353 | sys sys_mount 5 | |
354 | sys sys_oldumount 1 | |
355 | sys sys_setuid 1 | |
356 | sys sys_getuid 0 | |
357 | sys sys_stime 1 /* 4025 */ | |
358 | sys sys_ptrace 4 | |
359 | sys sys_alarm 1 | |
360 | sys sys_ni_syscall 0 /* was sys_fstat */ | |
361 | sys sys_pause 0 | |
362 | sys sys_utime 2 /* 4030 */ | |
363 | sys sys_ni_syscall 0 | |
364 | sys sys_ni_syscall 0 | |
365 | sys sys_access 2 | |
366 | sys sys_nice 1 | |
367 | sys sys_ni_syscall 0 /* 4035 */ | |
368 | sys sys_sync 0 | |
369 | sys sys_kill 2 | |
370 | sys sys_rename 2 | |
371 | sys sys_mkdir 2 | |
372 | sys sys_rmdir 1 /* 4040 */ | |
373 | sys sys_dup 1 | |
374 | sys sys_pipe 0 | |
375 | sys sys_times 1 | |
376 | sys sys_ni_syscall 0 | |
377 | sys sys_brk 1 /* 4045 */ | |
378 | sys sys_setgid 1 | |
379 | sys sys_getgid 0 | |
380 | sys sys_ni_syscall 0 /* was signal(2) */ | |
381 | sys sys_geteuid 0 | |
382 | sys sys_getegid 0 /* 4050 */ | |
383 | sys sys_acct 1 | |
384 | sys sys_umount 2 | |
385 | sys sys_ni_syscall 0 | |
386 | sys sys_ioctl 3 | |
387 | sys sys_fcntl 3 /* 4055 */ | |
388 | sys sys_ni_syscall 2 | |
389 | sys sys_setpgid 2 | |
390 | sys sys_ni_syscall 0 | |
391 | sys sys_olduname 1 | |
392 | sys sys_umask 1 /* 4060 */ | |
393 | sys sys_chroot 1 | |
394 | sys sys_ustat 2 | |
395 | sys sys_dup2 2 | |
396 | sys sys_getppid 0 | |
397 | sys sys_getpgrp 0 /* 4065 */ | |
398 | sys sys_setsid 0 | |
399 | sys sys_sigaction 3 | |
400 | sys sys_sgetmask 0 | |
401 | sys sys_ssetmask 1 | |
402 | sys sys_setreuid 2 /* 4070 */ | |
403 | sys sys_setregid 2 | |
404 | sys sys_sigsuspend 0 | |
405 | sys sys_sigpending 1 | |
406 | sys sys_sethostname 2 | |
407 | sys sys_setrlimit 2 /* 4075 */ | |
408 | sys sys_getrlimit 2 | |
409 | sys sys_getrusage 2 | |
410 | sys sys_gettimeofday 2 | |
411 | sys sys_settimeofday 2 | |
412 | sys sys_getgroups 2 /* 4080 */ | |
413 | sys sys_setgroups 2 | |
414 | sys sys_ni_syscall 0 /* old_select */ | |
415 | sys sys_symlink 2 | |
416 | sys sys_ni_syscall 0 /* was sys_lstat */ | |
417 | sys sys_readlink 3 /* 4085 */ | |
418 | sys sys_uselib 1 | |
419 | sys sys_swapon 2 | |
420 | sys sys_reboot 3 | |
421 | sys old_readdir 3 | |
422 | sys old_mmap 6 /* 4090 */ | |
423 | sys sys_munmap 2 | |
424 | sys sys_truncate 2 | |
425 | sys sys_ftruncate 2 | |
426 | sys sys_fchmod 2 | |
427 | sys sys_fchown 3 /* 4095 */ | |
428 | sys sys_getpriority 2 | |
429 | sys sys_setpriority 3 | |
430 | sys sys_ni_syscall 0 | |
431 | sys sys_statfs 2 | |
432 | sys sys_fstatfs 2 /* 4100 */ | |
433 | sys sys_ni_syscall 0 /* was ioperm(2) */ | |
434 | sys sys_socketcall 2 | |
435 | sys sys_syslog 3 | |
436 | sys sys_setitimer 3 | |
437 | sys sys_getitimer 2 /* 4105 */ | |
438 | sys sys_newstat 2 | |
439 | sys sys_newlstat 2 | |
440 | sys sys_newfstat 2 | |
441 | sys sys_uname 1 | |
442 | sys sys_ni_syscall 0 /* 4110 was iopl(2) */ | |
443 | sys sys_vhangup 0 | |
444 | sys sys_ni_syscall 0 /* was sys_idle() */ | |
445 | sys sys_ni_syscall 0 /* was sys_vm86 */ | |
446 | sys sys_wait4 4 | |
447 | sys sys_swapoff 1 /* 4115 */ | |
448 | sys sys_sysinfo 1 | |
449 | sys sys_ipc 6 | |
450 | sys sys_fsync 1 | |
451 | sys sys_sigreturn 0 | |
452 | sys sys_clone 0 /* 4120 */ | |
453 | sys sys_setdomainname 2 | |
454 | sys sys_newuname 1 | |
455 | sys sys_ni_syscall 0 /* sys_modify_ldt */ | |
456 | sys sys_adjtimex 1 | |
457 | sys sys_mprotect 3 /* 4125 */ | |
458 | sys sys_sigprocmask 3 | |
459 | sys sys_ni_syscall 0 /* was create_module */ | |
460 | sys sys_init_module 5 | |
461 | sys sys_delete_module 1 | |
462 | sys sys_ni_syscall 0 /* 4130 was get_kernel_syms */ | |
463 | sys sys_quotactl 4 | |
464 | sys sys_getpgid 1 | |
465 | sys sys_fchdir 1 | |
466 | sys sys_bdflush 2 | |
467 | sys sys_sysfs 3 /* 4135 */ | |
468 | sys sys_personality 1 | |
469 | sys sys_ni_syscall 0 /* for afs_syscall */ | |
470 | sys sys_setfsuid 1 | |
471 | sys sys_setfsgid 1 | |
472 | sys sys_llseek 5 /* 4140 */ | |
473 | sys sys_getdents 3 | |
474 | sys sys_select 5 | |
475 | sys sys_flock 2 | |
476 | sys sys_msync 3 | |
477 | sys sys_readv 3 /* 4145 */ | |
478 | sys sys_writev 3 | |
479 | sys sys_cacheflush 3 | |
480 | sys sys_cachectl 3 | |
481 | sys sys_sysmips 4 | |
482 | sys sys_ni_syscall 0 /* 4150 */ | |
483 | sys sys_getsid 1 | |
484 | sys sys_fdatasync 1 | |
485 | sys sys_sysctl 1 | |
486 | sys sys_mlock 2 | |
487 | sys sys_munlock 2 /* 4155 */ | |
488 | sys sys_mlockall 1 | |
489 | sys sys_munlockall 0 | |
490 | sys sys_sched_setparam 2 | |
491 | sys sys_sched_getparam 2 | |
492 | sys sys_sched_setscheduler 3 /* 4160 */ | |
493 | sys sys_sched_getscheduler 1 | |
494 | sys sys_sched_yield 0 | |
495 | sys sys_sched_get_priority_max 1 | |
496 | sys sys_sched_get_priority_min 1 | |
497 | sys sys_sched_rr_get_interval 2 /* 4165 */ | |
498 | sys sys_nanosleep, 2 | |
7dbdf43c | 499 | sys sys_mremap, 5 |
1da177e4 LT |
500 | sys sys_accept 3 |
501 | sys sys_bind 3 | |
502 | sys sys_connect 3 /* 4170 */ | |
503 | sys sys_getpeername 3 | |
504 | sys sys_getsockname 3 | |
505 | sys sys_getsockopt 5 | |
506 | sys sys_listen 2 | |
507 | sys sys_recv 4 /* 4175 */ | |
508 | sys sys_recvfrom 6 | |
509 | sys sys_recvmsg 3 | |
510 | sys sys_send 4 | |
511 | sys sys_sendmsg 3 | |
512 | sys sys_sendto 6 /* 4180 */ | |
513 | sys sys_setsockopt 5 | |
514 | sys sys_shutdown 2 | |
515 | sys sys_socket 3 | |
516 | sys sys_socketpair 4 | |
517 | sys sys_setresuid 3 /* 4185 */ | |
518 | sys sys_getresuid 3 | |
519 | sys sys_ni_syscall 0 /* was sys_query_module */ | |
520 | sys sys_poll 3 | |
521 | sys sys_nfsservctl 3 | |
522 | sys sys_setresgid 3 /* 4190 */ | |
523 | sys sys_getresgid 3 | |
524 | sys sys_prctl 5 | |
525 | sys sys_rt_sigreturn 0 | |
526 | sys sys_rt_sigaction 4 | |
527 | sys sys_rt_sigprocmask 4 /* 4195 */ | |
528 | sys sys_rt_sigpending 2 | |
529 | sys sys_rt_sigtimedwait 4 | |
530 | sys sys_rt_sigqueueinfo 3 | |
531 | sys sys_rt_sigsuspend 0 | |
532 | sys sys_pread64 6 /* 4200 */ | |
533 | sys sys_pwrite64 6 | |
534 | sys sys_chown 3 | |
535 | sys sys_getcwd 2 | |
536 | sys sys_capget 2 | |
537 | sys sys_capset 2 /* 4205 */ | |
538 | sys sys_sigaltstack 0 | |
539 | sys sys_sendfile 4 | |
540 | sys sys_ni_syscall 0 | |
541 | sys sys_ni_syscall 0 | |
542 | sys sys_mmap2 6 /* 4210 */ | |
543 | sys sys_truncate64 4 | |
544 | sys sys_ftruncate64 4 | |
545 | sys sys_stat64 2 | |
546 | sys sys_lstat64 2 | |
547 | sys sys_fstat64 2 /* 4215 */ | |
548 | sys sys_pivot_root 2 | |
549 | sys sys_mincore 3 | |
550 | sys sys_madvise 3 | |
551 | sys sys_getdents64 3 | |
552 | sys sys_fcntl64 3 /* 4220 */ | |
553 | sys sys_ni_syscall 0 | |
554 | sys sys_gettid 0 | |
555 | sys sys_readahead 5 | |
556 | sys sys_setxattr 5 | |
557 | sys sys_lsetxattr 5 /* 4225 */ | |
558 | sys sys_fsetxattr 5 | |
559 | sys sys_getxattr 4 | |
560 | sys sys_lgetxattr 4 | |
561 | sys sys_fgetxattr 4 | |
562 | sys sys_listxattr 3 /* 4230 */ | |
563 | sys sys_llistxattr 3 | |
564 | sys sys_flistxattr 3 | |
565 | sys sys_removexattr 2 | |
566 | sys sys_lremovexattr 2 | |
567 | sys sys_fremovexattr 2 /* 4235 */ | |
568 | sys sys_tkill 2 | |
569 | sys sys_sendfile64 5 | |
90a67b59 | 570 | sys sys_futex 6 |
f088fc84 RB |
571 | #ifdef CONFIG_MIPS_MT_FPAFF |
572 | /* | |
573 | * For FPU affinity scheduling on MIPS MT processors, we need to | |
574 | * intercept sys_sched_xxxaffinity() calls until we get a proper hook | |
575 | * in kernel/sched.c. Considered only temporary we only support these | |
576 | * hooks for the 32-bit kernel - there is no MIPS64 MT processor atm. | |
577 | */ | |
578 | sys mipsmt_sys_sched_setaffinity 3 | |
579 | sys mipsmt_sys_sched_getaffinity 3 | |
580 | #else | |
1da177e4 LT |
581 | sys sys_sched_setaffinity 3 |
582 | sys sys_sched_getaffinity 3 /* 4240 */ | |
f088fc84 | 583 | #endif /* CONFIG_MIPS_MT_FPAFF */ |
1da177e4 LT |
584 | sys sys_io_setup 2 |
585 | sys sys_io_destroy 1 | |
586 | sys sys_io_getevents 5 | |
587 | sys sys_io_submit 3 | |
588 | sys sys_io_cancel 3 /* 4245 */ | |
589 | sys sys_exit_group 1 | |
0d507d61 | 590 | sys sys_lookup_dcookie 4 |
1da177e4 LT |
591 | sys sys_epoll_create 1 |
592 | sys sys_epoll_ctl 4 | |
593 | sys sys_epoll_wait 3 /* 4250 */ | |
594 | sys sys_remap_file_pages 5 | |
595 | sys sys_set_tid_address 1 | |
596 | sys sys_restart_syscall 0 | |
597 | sys sys_fadvise64_64 7 | |
598 | sys sys_statfs64 3 /* 4255 */ | |
599 | sys sys_fstatfs64 2 | |
600 | sys sys_timer_create 3 | |
601 | sys sys_timer_settime 4 | |
602 | sys sys_timer_gettime 2 | |
603 | sys sys_timer_getoverrun 1 /* 4260 */ | |
604 | sys sys_timer_delete 1 | |
605 | sys sys_clock_settime 2 | |
606 | sys sys_clock_gettime 2 | |
607 | sys sys_clock_getres 2 | |
608 | sys sys_clock_nanosleep 4 /* 4265 */ | |
609 | sys sys_tgkill 3 | |
610 | sys sys_utimes 2 | |
611 | sys sys_mbind 4 | |
612 | sys sys_ni_syscall 0 /* sys_get_mempolicy */ | |
613 | sys sys_ni_syscall 0 /* 4270 sys_set_mempolicy */ | |
614 | sys sys_mq_open 4 | |
615 | sys sys_mq_unlink 1 | |
616 | sys sys_mq_timedsend 5 | |
617 | sys sys_mq_timedreceive 5 | |
618 | sys sys_mq_notify 2 /* 4275 */ | |
619 | sys sys_mq_getsetattr 3 | |
620 | sys sys_ni_syscall 0 /* sys_vserver */ | |
a19050f3 | 621 | sys sys_waitid 5 |
1da177e4 | 622 | sys sys_ni_syscall 0 /* available, was setaltroot */ |
e50c0a8f | 623 | sys sys_add_key 5 /* 4280 */ |
1da177e4 LT |
624 | sys sys_request_key 4 |
625 | sys sys_keyctl 5 | |
3c37026d | 626 | sys sys_set_thread_area 1 |
7db36c85 RB |
627 | sys sys_inotify_init 0 |
628 | sys sys_inotify_add_watch 3 /* 4285 */ | |
629 | sys sys_inotify_rm_watch 2 | |
72bf8914 RB |
630 | sys sys_migrate_pages 4 |
631 | sys sys_openat 4 | |
632 | sys sys_mkdirat 3 | |
633 | sys sys_mknodat 4 /* 4290 */ | |
634 | sys sys_fchownat 5 | |
635 | sys sys_futimesat 3 | |
326a6257 | 636 | sys sys_fstatat64 4 |
72bf8914 RB |
637 | sys sys_unlinkat 3 |
638 | sys sys_renameat 4 /* 4295 */ | |
c04030e1 | 639 | sys sys_linkat 5 |
72bf8914 RB |
640 | sys sys_symlinkat 3 |
641 | sys sys_readlinkat 4 | |
642 | sys sys_fchmodat 3 | |
643 | sys sys_faccessat 3 /* 4300 */ | |
644 | sys sys_pselect6 6 | |
645 | sys sys_ppoll 5 | |
646 | sys sys_unshare 1 | |
f115da9c | 647 | sys sys_splice 4 |
a8d587a7 | 648 | sys sys_sync_file_range 7 /* 4305 */ |
136d47d3 | 649 | sys sys_tee 4 |
1da177e4 LT |
650 | .endm |
651 | ||
652 | /* We pre-compute the number of _instruction_ bytes needed to | |
653 | load or store the arguments 6-8. Negative values are ignored. */ | |
654 | ||
655 | .macro sys function, nargs | |
656 | PTR \function | |
657 | LONG (\nargs << 2) - (5 << 2) | |
658 | .endm | |
659 | ||
660 | .align 3 | |
661 | .type sys_call_table,@object | |
662 | EXPORT(sys_call_table) | |
663 | syscalltable | |
664 | .size sys_call_table, . - sys_call_table |