| blob | 6360c437dcf51c5491e192151b95ce6c1a6923a2 |
1 /* -*- mode: asm -*-
2 *
3 * linux/arch/m68k/kernel/entry.S
4 *
5 * Copyright (C) 1991, 1992 Linus Torvalds
6 *
7 * This file is subject to the terms and conditions of the GNU General Public
8 * License. See the file README.legal in the main directory of this archive
9 * for more details.
10 *
11 * Linux/m68k support by Hamish Macdonald
12 *
13 * 68060 fixes by Jesper Skov
14 *
15 */
17 /*
18 * entry.S contains the system-call and fault low-level handling routines.
19 * This also contains the timer-interrupt handler, as well as all interrupts
20 * and faults that can result in a task-switch.
21 *
22 * NOTE: This code handles signal-recognition, which happens every time
23 * after a timer-interrupt and after each system call.
24 *
25 */
27 /*
28 * 12/03/96 Jes: Currently we only support m68k single-cpu systems, so
29 * all pointers that used to be 'current' are now entry
30 * number 0 in the 'current_set' list.
31 *
32 * 6/05/00 RZ: addedd writeback completion after return from sighandler
33 * for 68040
34 */
36 #include <linux/linkage.h>
37 #include <asm/entry.h>
38 #include <asm/errno.h>
39 #include <asm/setup.h>
40 #include <asm/segment.h>
41 #include <asm/traps.h>
42 #include <asm/unistd.h>
44 #include <asm/asm-offsets.h>
46 .globl system_call, buserr, trap, resume
47 .globl sys_call_table
48 .globl sys_fork, sys_clone, sys_vfork
49 .globl ret_from_interrupt, bad_interrupt
50 .globl auto_irqhandler_fixup
51 .globl user_irqvec_fixup, user_irqhandler_fixup
53 .text
54 ENTRY(buserr)
55 SAVE_ALL_INT
56 GET_CURRENT(%d0)
57 movel %sp,%sp@- | stack frame pointer argument
58 bsrl buserr_c
59 addql #4,%sp
60 jra .Lret_from_exception
62 ENTRY(trap)
63 SAVE_ALL_INT
64 GET_CURRENT(%d0)
65 movel %sp,%sp@- | stack frame pointer argument
66 bsrl trap_c
67 addql #4,%sp
68 jra .Lret_from_exception
70 | After a fork we jump here directly from resume,
71 | so that %d1 contains the previous task
72 | schedule_tail now used regardless of CONFIG_SMP
73 ENTRY(ret_from_fork)
74 movel %d1,%sp@-
75 jsr schedule_tail
76 addql #4,%sp
77 jra .Lret_from_exception
79 do_trace_entry:
80 movel #-ENOSYS,%sp@(PT_OFF_D0)| needed for strace
81 subql #4,%sp
82 SAVE_SWITCH_STACK
83 jbsr syscall_trace
84 RESTORE_SWITCH_STACK
85 addql #4,%sp
86 movel %sp@(PT_OFF_ORIG_D0),%d0
87 cmpl #NR_syscalls,%d0
88 jcs syscall
89 badsys:
90 movel #-ENOSYS,%sp@(PT_OFF_D0)
91 jra ret_from_syscall
93 do_trace_exit:
94 subql #4,%sp
95 SAVE_SWITCH_STACK
96 jbsr syscall_trace
97 RESTORE_SWITCH_STACK
98 addql #4,%sp
99 jra .Lret_from_exception
101 ENTRY(ret_from_signal)
102 RESTORE_SWITCH_STACK
103 addql #4,%sp
104 /* on 68040 complete pending writebacks if any */
105 #ifdef CONFIG_M68040
106 bfextu %sp@(PT_OFF_FORMATVEC){#0,#4},%d0
107 subql #7,%d0 | bus error frame ?
108 jbne 1f
109 movel %sp,%sp@-
110 jbsr berr_040cleanup
111 addql #4,%sp
112 1:
113 #endif
114 jra .Lret_from_exception
116 ENTRY(system_call)
117 SAVE_ALL_SYS
119 GET_CURRENT(%d1)
120 | save top of frame
121 movel %sp,%curptr@(TASK_THREAD+THREAD_ESP0)
123 | syscall trace?
124 tstb %curptr@(TASK_INFO+TINFO_FLAGS+2)
125 jmi do_trace_entry
126 cmpl #NR_syscalls,%d0
127 jcc badsys
128 syscall:
129 jbsr @(sys_call_table,%d0:l:4)@(0)
130 movel %d0,%sp@(PT_OFF_D0) | save the return value
131 ret_from_syscall:
132 |oriw #0x0700,%sr
133 movew %curptr@(TASK_INFO+TINFO_FLAGS+2),%d0
134 jne syscall_exit_work
135 1: RESTORE_ALL
137 syscall_exit_work:
138 btst #5,%sp@(PT_OFF_SR) | check if returning to kernel
139 bnes 1b | if so, skip resched, signals
140 lslw #1,%d0
141 jcs do_trace_exit
142 jmi do_delayed_trace
143 lslw #8,%d0
144 jmi do_signal_return
145 pea resume_userspace
146 jra schedule
149 ENTRY(ret_from_exception)
150 .Lret_from_exception:
151 btst #5,%sp@(PT_OFF_SR) | check if returning to kernel
152 bnes 1f | if so, skip resched, signals
153 | only allow interrupts when we are really the last one on the
154 | kernel stack, otherwise stack overflow can occur during
155 | heavy interrupt load
156 andw #ALLOWINT,%sr
158 resume_userspace:
159 moveb %curptr@(TASK_INFO+TINFO_FLAGS+3),%d0
160 jne exit_work
161 1: RESTORE_ALL
163 exit_work:
164 | save top of frame
165 movel %sp,%curptr@(TASK_THREAD+THREAD_ESP0)
166 lslb #1,%d0
167 jmi do_signal_return
168 pea resume_userspace
169 jra schedule
172 do_signal_return:
173 |andw #ALLOWINT,%sr
174 subql #4,%sp | dummy return address
175 SAVE_SWITCH_STACK
176 pea %sp@(SWITCH_STACK_SIZE)
177 clrl %sp@-
178 bsrl do_signal
179 addql #8,%sp
180 RESTORE_SWITCH_STACK
181 addql #4,%sp
182 tstl %d0
183 jeq resume_userspace
184 | when single stepping into handler stop at the first insn
185 btst #6,%curptr@(TASK_INFO+TINFO_FLAGS+2)
186 jeq resume_userspace
188 do_delayed_trace:
189 bclr #7,%sp@(PT_OFF_SR) | clear trace bit in SR
190 pea 1 | send SIGTRAP
191 movel %curptr,%sp@-
192 pea LSIGTRAP
193 jbsr send_sig
194 addql #8,%sp
195 addql #4,%sp
196 jbra resume_userspace
199 /* This is the main interrupt handler for autovector interrupts */
201 ENTRY(auto_inthandler)
202 SAVE_ALL_INT
203 GET_CURRENT(%d0)
204 addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
205 | put exception # in d0
206 bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0
207 subw #VEC_SPUR,%d0
209 movel %sp,%sp@-
210 movel %d0,%sp@- | put vector # on stack
211 auto_irqhandler_fixup = . + 2
212 jsr __m68k_handle_int | process the IRQ
213 addql #8,%sp | pop parameters off stack
215 ret_from_interrupt:
216 subqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
217 jeq ret_from_last_interrupt
218 2: RESTORE_ALL
220 ALIGN
221 ret_from_last_interrupt:
222 moveq #(~ALLOWINT>>8)&0xff,%d0
223 andb %sp@(PT_OFF_SR),%d0
224 jne 2b
226 /* check if we need to do software interrupts */
227 tstl irq_stat+CPUSTAT_SOFTIRQ_PENDING
228 jeq .Lret_from_exception
229 pea ret_from_exception
230 jra do_softirq
232 /* Handler for user defined interrupt vectors */
234 ENTRY(user_inthandler)
235 SAVE_ALL_INT
236 GET_CURRENT(%d0)
237 addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
238 | put exception # in d0
239 bfextu %sp@(PT_OFF_FORMATVEC){#4,#10},%d0
240 user_irqvec_fixup = . + 2
241 subw #VEC_USER,%d0
243 movel %sp,%sp@-
244 movel %d0,%sp@- | put vector # on stack
245 user_irqhandler_fixup = . + 2
246 jsr __m68k_handle_int | process the IRQ
247 addql #8,%sp | pop parameters off stack
249 subqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
250 jeq ret_from_last_interrupt
251 RESTORE_ALL
253 /* Handler for uninitialized and spurious interrupts */
255 ENTRY(bad_inthandler)
256 SAVE_ALL_INT
257 GET_CURRENT(%d0)
258 addqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
260 movel %sp,%sp@-
261 jsr handle_badint
262 addql #4,%sp
264 subqb #1,%curptr@(TASK_INFO+TINFO_PREEMPT+1)
265 jeq ret_from_last_interrupt
266 RESTORE_ALL
269 ENTRY(sys_fork)
270 SAVE_SWITCH_STACK
271 pea %sp@(SWITCH_STACK_SIZE)
272 jbsr m68k_fork
273 addql #4,%sp
274 RESTORE_SWITCH_STACK
275 rts
277 ENTRY(sys_clone)
278 SAVE_SWITCH_STACK
279 pea %sp@(SWITCH_STACK_SIZE)
280 jbsr m68k_clone
281 addql #4,%sp
282 RESTORE_SWITCH_STACK
283 rts
285 ENTRY(sys_vfork)
286 SAVE_SWITCH_STACK
287 pea %sp@(SWITCH_STACK_SIZE)
288 jbsr m68k_vfork
289 addql #4,%sp
290 RESTORE_SWITCH_STACK
291 rts
293 ENTRY(sys_sigsuspend)
294 SAVE_SWITCH_STACK
295 pea %sp@(SWITCH_STACK_SIZE)
296 jbsr do_sigsuspend
297 addql #4,%sp
298 RESTORE_SWITCH_STACK
299 rts
301 ENTRY(sys_rt_sigsuspend)
302 SAVE_SWITCH_STACK
303 pea %sp@(SWITCH_STACK_SIZE)
304 jbsr do_rt_sigsuspend
305 addql #4,%sp
306 RESTORE_SWITCH_STACK
307 rts
309 ENTRY(sys_sigreturn)
310 SAVE_SWITCH_STACK
311 jbsr do_sigreturn
312 RESTORE_SWITCH_STACK
313 rts
315 ENTRY(sys_rt_sigreturn)
316 SAVE_SWITCH_STACK
317 jbsr do_rt_sigreturn
318 RESTORE_SWITCH_STACK
319 rts
321 resume:
322 /*
323 * Beware - when entering resume, prev (the current task) is
324 * in a0, next (the new task) is in a1,so don't change these
325 * registers until their contents are no longer needed.
326 */
328 /* save sr */
329 movew %sr,%a0@(TASK_THREAD+THREAD_SR)
331 /* save fs (sfc,%dfc) (may be pointing to kernel memory) */
332 movec %sfc,%d0
333 movew %d0,%a0@(TASK_THREAD+THREAD_FS)
335 /* save usp */
336 /* it is better to use a movel here instead of a movew 8*) */
337 movec %usp,%d0
338 movel %d0,%a0@(TASK_THREAD+THREAD_USP)
340 /* save non-scratch registers on stack */
341 SAVE_SWITCH_STACK
343 /* save current kernel stack pointer */
344 movel %sp,%a0@(TASK_THREAD+THREAD_KSP)
346 /* save floating point context */
347 #ifndef CONFIG_M68KFPU_EMU_ONLY
348 #ifdef CONFIG_M68KFPU_EMU
349 tstl m68k_fputype
350 jeq 3f
351 #endif
352 fsave %a0@(TASK_THREAD+THREAD_FPSTATE)
354 #if defined(CONFIG_M68060)
355 #if !defined(CPU_M68060_ONLY)
356 btst #3,m68k_cputype+3
357 beqs 1f
358 #endif
359 /* The 060 FPU keeps status in bits 15-8 of the first longword */
360 tstb %a0@(TASK_THREAD+THREAD_FPSTATE+2)
361 jeq 3f
362 #if !defined(CPU_M68060_ONLY)
363 jra 2f
364 #endif
365 #endif /* CONFIG_M68060 */
366 #if !defined(CPU_M68060_ONLY)
367 1: tstb %a0@(TASK_THREAD+THREAD_FPSTATE)
368 jeq 3f
369 #endif
370 2: fmovemx %fp0-%fp7,%a0@(TASK_THREAD+THREAD_FPREG)
371 fmoveml %fpcr/%fpsr/%fpiar,%a0@(TASK_THREAD+THREAD_FPCNTL)
372 3:
373 #endif /* CONFIG_M68KFPU_EMU_ONLY */
374 /* Return previous task in %d1 */
375 movel %curptr,%d1
377 /* switch to new task (a1 contains new task) */
378 movel %a1,%curptr
380 /* restore floating point context */
381 #ifndef CONFIG_M68KFPU_EMU_ONLY
382 #ifdef CONFIG_M68KFPU_EMU
383 tstl m68k_fputype
384 jeq 4f
385 #endif
386 #if defined(CONFIG_M68060)
387 #if !defined(CPU_M68060_ONLY)
388 btst #3,m68k_cputype+3
389 beqs 1f
390 #endif
391 /* The 060 FPU keeps status in bits 15-8 of the first longword */
392 tstb %a1@(TASK_THREAD+THREAD_FPSTATE+2)
393 jeq 3f
394 #if !defined(CPU_M68060_ONLY)
395 jra 2f
396 #endif
397 #endif /* CONFIG_M68060 */
398 #if !defined(CPU_M68060_ONLY)
399 1: tstb %a1@(TASK_THREAD+THREAD_FPSTATE)
400 jeq 3f
401 #endif
402 2: fmovemx %a1@(TASK_THREAD+THREAD_FPREG),%fp0-%fp7
403 fmoveml %a1@(TASK_THREAD+THREAD_FPCNTL),%fpcr/%fpsr/%fpiar
404 3: frestore %a1@(TASK_THREAD+THREAD_FPSTATE)
405 4:
406 #endif /* CONFIG_M68KFPU_EMU_ONLY */
408 /* restore the kernel stack pointer */
409 movel %a1@(TASK_THREAD+THREAD_KSP),%sp
411 /* restore non-scratch registers */
412 RESTORE_SWITCH_STACK
414 /* restore user stack pointer */
415 movel %a1@(TASK_THREAD+THREAD_USP),%a0
416 movel %a0,%usp
418 /* restore fs (sfc,%dfc) */
419 movew %a1@(TASK_THREAD+THREAD_FS),%a0
420 movec %a0,%sfc
421 movec %a0,%dfc
423 /* restore status register */
424 movew %a1@(TASK_THREAD+THREAD_SR),%sr
426 rts
428 .data
429 ALIGN
430 sys_call_table:
431 .long sys_restart_syscall /* 0 - old "setup()" system call, used for restarting */
432 .long sys_exit
433 .long sys_fork
434 .long sys_read
435 .long sys_write
436 .long sys_open /* 5 */
437 .long sys_close
438 .long sys_waitpid
439 .long sys_creat
440 .long sys_link
441 .long sys_unlink /* 10 */
442 .long sys_execve
443 .long sys_chdir
444 .long sys_time
445 .long sys_mknod
446 .long sys_chmod /* 15 */
447 .long sys_chown16
448 .long sys_ni_syscall /* old break syscall holder */
449 .long sys_stat
450 .long sys_lseek
451 .long sys_getpid /* 20 */
452 .long sys_mount
453 .long sys_oldumount
454 .long sys_setuid16
455 .long sys_getuid16
456 .long sys_stime /* 25 */
457 .long sys_ptrace
458 .long sys_alarm
459 .long sys_fstat
460 .long sys_pause
461 .long sys_utime /* 30 */
462 .long sys_ni_syscall /* old stty syscall holder */
463 .long sys_ni_syscall /* old gtty syscall holder */
464 .long sys_access
465 .long sys_nice
466 .long sys_ni_syscall /* 35 */ /* old ftime syscall holder */
467 .long sys_sync
468 .long sys_kill
469 .long sys_rename
470 .long sys_mkdir
471 .long sys_rmdir /* 40 */
472 .long sys_dup
473 .long sys_pipe
474 .long sys_times
475 .long sys_ni_syscall /* old prof syscall holder */
476 .long sys_brk /* 45 */
477 .long sys_setgid16
478 .long sys_getgid16
479 .long sys_signal
480 .long sys_geteuid16
481 .long sys_getegid16 /* 50 */
482 .long sys_acct
483 .long sys_umount /* recycled never used phys() */
484 .long sys_ni_syscall /* old lock syscall holder */
485 .long sys_ioctl
486 .long sys_fcntl /* 55 */
487 .long sys_ni_syscall /* old mpx syscall holder */
488 .long sys_setpgid
489 .long sys_ni_syscall /* old ulimit syscall holder */
490 .long sys_ni_syscall
491 .long sys_umask /* 60 */
492 .long sys_chroot
493 .long sys_ustat
494 .long sys_dup2
495 .long sys_getppid
496 .long sys_getpgrp /* 65 */
497 .long sys_setsid
498 .long sys_sigaction
499 .long sys_sgetmask
500 .long sys_ssetmask
501 .long sys_setreuid16 /* 70 */
502 .long sys_setregid16
503 .long sys_sigsuspend
504 .long sys_sigpending
505 .long sys_sethostname
506 .long sys_setrlimit /* 75 */
507 .long sys_old_getrlimit
508 .long sys_getrusage
509 .long sys_gettimeofday
510 .long sys_settimeofday
511 .long sys_getgroups16 /* 80 */
512 .long sys_setgroups16
513 .long sys_old_select
514 .long sys_symlink
515 .long sys_lstat
516 .long sys_readlink /* 85 */
517 .long sys_uselib
518 .long sys_swapon
519 .long sys_reboot
520 .long sys_old_readdir
521 .long sys_old_mmap /* 90 */
522 .long sys_munmap
523 .long sys_truncate
524 .long sys_ftruncate
525 .long sys_fchmod
526 .long sys_fchown16 /* 95 */
527 .long sys_getpriority
528 .long sys_setpriority
529 .long sys_ni_syscall /* old profil syscall holder */
530 .long sys_statfs
531 .long sys_fstatfs /* 100 */
532 .long sys_ni_syscall /* ioperm for i386 */
533 .long sys_socketcall
534 .long sys_syslog
535 .long sys_setitimer
536 .long sys_getitimer /* 105 */
537 .long sys_newstat
538 .long sys_newlstat
539 .long sys_newfstat
540 .long sys_ni_syscall
541 .long sys_ni_syscall /* 110 */ /* iopl for i386 */
542 .long sys_vhangup
543 .long sys_ni_syscall /* obsolete idle() syscall */
544 .long sys_ni_syscall /* vm86old for i386 */
545 .long sys_wait4
546 .long sys_swapoff /* 115 */
547 .long sys_sysinfo
548 .long sys_ipc
549 .long sys_fsync
550 .long sys_sigreturn
551 .long sys_clone /* 120 */
552 .long sys_setdomainname
553 .long sys_newuname
554 .long sys_cacheflush /* modify_ldt for i386 */
555 .long sys_adjtimex
556 .long sys_mprotect /* 125 */
557 .long sys_sigprocmask
558 .long sys_ni_syscall /* old "create_module" */
559 .long sys_init_module
560 .long sys_delete_module
561 .long sys_ni_syscall /* 130 - old "get_kernel_syms" */
562 .long sys_quotactl
563 .long sys_getpgid
564 .long sys_fchdir
565 .long sys_bdflush
566 .long sys_sysfs /* 135 */
567 .long sys_personality
568 .long sys_ni_syscall /* for afs_syscall */
569 .long sys_setfsuid16
570 .long sys_setfsgid16
571 .long sys_llseek /* 140 */
572 .long sys_getdents
573 .long sys_select
574 .long sys_flock
575 .long sys_msync
576 .long sys_readv /* 145 */
577 .long sys_writev
578 .long sys_getsid
579 .long sys_fdatasync
580 .long sys_sysctl
581 .long sys_mlock /* 150 */
582 .long sys_munlock
583 .long sys_mlockall
584 .long sys_munlockall
585 .long sys_sched_setparam
586 .long sys_sched_getparam /* 155 */
587 .long sys_sched_setscheduler
588 .long sys_sched_getscheduler
589 .long sys_sched_yield
590 .long sys_sched_get_priority_max
591 .long sys_sched_get_priority_min /* 160 */
592 .long sys_sched_rr_get_interval
593 .long sys_nanosleep
594 .long sys_mremap
595 .long sys_setresuid16
596 .long sys_getresuid16 /* 165 */
597 .long sys_getpagesize
598 .long sys_ni_syscall /* old sys_query_module */
599 .long sys_poll
600 .long sys_nfsservctl
601 .long sys_setresgid16 /* 170 */
602 .long sys_getresgid16
603 .long sys_prctl
604 .long sys_rt_sigreturn
605 .long sys_rt_sigaction
606 .long sys_rt_sigprocmask /* 175 */
607 .long sys_rt_sigpending
608 .long sys_rt_sigtimedwait
609 .long sys_rt_sigqueueinfo
610 .long sys_rt_sigsuspend
611 .long sys_pread64 /* 180 */
612 .long sys_pwrite64
613 .long sys_lchown16;
614 .long sys_getcwd
615 .long sys_capget
616 .long sys_capset /* 185 */
617 .long sys_sigaltstack
618 .long sys_sendfile
619 .long sys_ni_syscall /* streams1 */
620 .long sys_ni_syscall /* streams2 */
621 .long sys_vfork /* 190 */
622 .long sys_getrlimit
623 .long sys_mmap2
624 .long sys_truncate64
625 .long sys_ftruncate64
626 .long sys_stat64 /* 195 */
627 .long sys_lstat64
628 .long sys_fstat64
629 .long sys_chown
630 .long sys_getuid
631 .long sys_getgid /* 200 */
632 .long sys_geteuid
633 .long sys_getegid
634 .long sys_setreuid
635 .long sys_setregid
636 .long sys_getgroups /* 205 */
637 .long sys_setgroups
638 .long sys_fchown
639 .long sys_setresuid
640 .long sys_getresuid
641 .long sys_setresgid /* 210 */
642 .long sys_getresgid
643 .long sys_lchown
644 .long sys_setuid
645 .long sys_setgid
646 .long sys_setfsuid /* 215 */
647 .long sys_setfsgid
648 .long sys_pivot_root
649 .long sys_ni_syscall
650 .long sys_ni_syscall
651 .long sys_getdents64 /* 220 */
652 .long sys_gettid
653 .long sys_tkill
654 .long sys_setxattr
655 .long sys_lsetxattr
656 .long sys_fsetxattr /* 225 */
657 .long sys_getxattr
658 .long sys_lgetxattr
659 .long sys_fgetxattr
660 .long sys_listxattr
661 .long sys_llistxattr /* 230 */
662 .long sys_flistxattr
663 .long sys_removexattr
664 .long sys_lremovexattr
665 .long sys_fremovexattr
666 .long sys_futex /* 235 */
667 .long sys_sendfile64
668 .long sys_mincore
669 .long sys_madvise
670 .long sys_fcntl64
671 .long sys_readahead /* 240 */
672 .long sys_io_setup
673 .long sys_io_destroy
674 .long sys_io_getevents
675 .long sys_io_submit
676 .long sys_io_cancel /* 245 */
677 .long sys_fadvise64
678 .long sys_exit_group
679 .long sys_lookup_dcookie
680 .long sys_epoll_create
681 .long sys_epoll_ctl /* 250 */
682 .long sys_epoll_wait
683 .long sys_remap_file_pages
684 .long sys_set_tid_address
685 .long sys_timer_create
686 .long sys_timer_settime /* 255 */
687 .long sys_timer_gettime
688 .long sys_timer_getoverrun
689 .long sys_timer_delete
690 .long sys_clock_settime
691 .long sys_clock_gettime /* 260 */
692 .long sys_clock_getres
693 .long sys_clock_nanosleep
694 .long sys_statfs64
695 .long sys_fstatfs64
696 .long sys_tgkill /* 265 */
697 .long sys_utimes
698 .long sys_fadvise64_64
699 .long sys_mbind
700 .long sys_get_mempolicy
701 .long sys_set_mempolicy /* 270 */
702 .long sys_mq_open
703 .long sys_mq_unlink
704 .long sys_mq_timedsend
705 .long sys_mq_timedreceive
706 .long sys_mq_notify /* 275 */
707 .long sys_mq_getsetattr
708 .long sys_waitid
709 .long sys_ni_syscall /* for sys_vserver */
710 .long sys_add_key
711 .long sys_request_key /* 280 */
712 .long sys_keyctl
713 .long sys_ioprio_set
714 .long sys_ioprio_get
715 .long sys_inotify_init
716 .long sys_inotify_add_watch /* 285 */
717 .long sys_inotify_rm_watch
718 .long sys_migrate_pages
719 .long sys_openat
720 .long sys_mkdirat
721 .long sys_mknodat /* 290 */
722 .long sys_fchownat
723 .long sys_futimesat
724 .long sys_fstatat64
725 .long sys_unlinkat
726 .long sys_renameat /* 295 */
727 .long sys_linkat
728 .long sys_symlinkat
729 .long sys_readlinkat
730 .long sys_fchmodat
731 .long sys_faccessat /* 300 */
732 .long sys_ni_syscall /* Reserved for pselect6 */
733 .long sys_ni_syscall /* Reserved for ppoll */
734 .long sys_unshare
735 .long sys_set_robust_list
736 .long sys_get_robust_list /* 305 */
737 .long sys_splice
738 .long sys_sync_file_range
739 .long sys_tee
740 .long sys_vmsplice
741 .long sys_move_pages /* 310 */
742 .long sys_sched_setaffinity
743 .long sys_sched_getaffinity
744 .long sys_kexec_load
745 .long sys_getcpu
746 .long sys_epoll_pwait /* 315 */
747 .long sys_utimensat
748 .long sys_signalfd
749 .long sys_timerfd_create
750 .long sys_eventfd
751 .long sys_fallocate /* 320 */
752 .long sys_timerfd_settime
753 .long sys_timerfd_gettime
754 .long sys_signalfd4
755 .long sys_eventfd2
756 .long sys_epoll_create1 /* 325 */
757 .long sys_dup3
758 .long sys_pipe2
759 .long sys_inotify_init1
760 .long sys_preadv
761 .long sys_pwritev /* 330 */
762 .long sys_rt_tgsigqueueinfo
763 .long sys_perf_event_open
764 .long sys_get_thread_area
765 .long sys_set_thread_area
766 .long sys_atomic_cmpxchg_32 /* 335 */
767 .long sys_atomic_barrier
768 .long sys_fanotify_init
769 .long sys_fanotify_mark
770 .long sys_prlimit64