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/arch/mn10300/kernel/entry.S

http://github.com/mirrors/linux
Assembly | 772 lines | 727 code | 45 blank | 0 comment | 10 complexity | cb3f581691b011d75c1756447cf2c4eb MD5 | raw file
  1###############################################################################
  2#
  3# MN10300 Exception and interrupt entry points
  4#
  5# Copyright (C) 2007 Matsushita Electric Industrial Co., Ltd.
  6# Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
  7# Modified by David Howells (dhowells@redhat.com)
  8#
  9# This program is free software; you can redistribute it and/or
 10# modify it under the terms of the GNU General Public Licence
 11# as published by the Free Software Foundation; either version
 12# 2 of the Licence, or (at your option) any later version.
 13#
 14###############################################################################
 15#include <linux/sys.h>
 16#include <linux/linkage.h>
 17#include <asm/smp.h>
 18#include <asm/irqflags.h>
 19#include <asm/thread_info.h>
 20#include <asm/intctl-regs.h>
 21#include <asm/busctl-regs.h>
 22#include <asm/timer-regs.h>
 23#include <unit/leds.h>
 24#include <asm/page.h>
 25#include <asm/pgtable.h>
 26#include <asm/errno.h>
 27#include <asm/asm-offsets.h>
 28#include <asm/frame.inc>
 29
 30#if defined(CONFIG_SMP) && defined(CONFIG_GDBSTUB)
 31#include <asm/gdb-stub.h>
 32#endif /* CONFIG_SMP && CONFIG_GDBSTUB */
 33
 34#ifdef CONFIG_PREEMPT
 35#define preempt_stop		LOCAL_IRQ_DISABLE
 36#else
 37#define preempt_stop
 38#define resume_kernel		restore_all
 39#endif
 40
 41	.am33_2
 42
 43###############################################################################
 44#
 45# the return path for a forked child
 46# - on entry, D0 holds the address of the previous task to run
 47#
 48###############################################################################
 49ENTRY(ret_from_fork)
 50	call	schedule_tail[],0
 51	GET_THREAD_INFO a2
 52
 53	# return 0 to indicate child process
 54	clr	d0
 55	mov	d0,(REG_D0,fp)
 56	jmp	syscall_exit
 57
 58ENTRY(ret_from_kernel_thread)
 59	call	schedule_tail[],0
 60	mov	(REG_D0,fp),d0
 61	mov	(REG_A0,fp),a0
 62	calls	(a0)
 63	GET_THREAD_INFO a2		# A2 must be set on return from sys_exit()
 64	clr	d0
 65	mov	d0,(REG_D0,fp)
 66	jmp	syscall_exit
 67
 68###############################################################################
 69#
 70# system call handler
 71#
 72###############################################################################
 73ENTRY(system_call)
 74	add	-4,sp
 75	SAVE_ALL
 76	mov	d0,(REG_ORIG_D0,fp)
 77	GET_THREAD_INFO a2
 78	cmp	nr_syscalls,d0
 79	bcc	syscall_badsys
 80	btst	_TIF_SYSCALL_TRACE,(TI_flags,a2)
 81	bne	syscall_entry_trace
 82syscall_call:
 83	add	d0,d0,a1
 84	add	a1,a1
 85	mov	(REG_A0,fp),d0
 86	mov	(sys_call_table,a1),a0
 87	calls	(a0)
 88	mov	d0,(REG_D0,fp)
 89syscall_exit:
 90	# make sure we don't miss an interrupt setting need_resched or
 91	# sigpending between sampling and the rti
 92	LOCAL_IRQ_DISABLE
 93	mov	(TI_flags,a2),d2
 94	btst	_TIF_ALLWORK_MASK,d2
 95	bne	syscall_exit_work
 96restore_all:
 97	RESTORE_ALL
 98
 99###############################################################################
100#
101# perform work that needs to be done immediately before resumption and syscall
102# tracing
103#
104###############################################################################
105	ALIGN
106syscall_exit_work:
107	mov	(REG_EPSW,fp),d0
108	and	EPSW_nSL,d0
109	beq	resume_kernel		# returning to supervisor mode
110
111	LOCAL_IRQ_ENABLE		# could let syscall_trace_exit() call
112					# schedule() instead
113	btst	_TIF_SYSCALL_TRACE,d2
114	beq	work_pending
115	mov	fp,d0
116	call	syscall_trace_exit[],0	# do_syscall_trace(regs)
117	jmp	resume_userspace
118
119	ALIGN
120work_pending:
121	btst	_TIF_NEED_RESCHED,d2
122	beq	work_notifysig
123
124work_resched:
125	call	schedule[],0
126
127resume_userspace:
128	# make sure we don't miss an interrupt setting need_resched or
129	# sigpending between sampling and the rti
130	LOCAL_IRQ_DISABLE
131
132	# is there any work to be done other than syscall tracing?
133	mov	(TI_flags,a2),d2
134	btst	_TIF_WORK_MASK,d2
135	beq	restore_all
136
137	LOCAL_IRQ_ENABLE
138	btst	_TIF_NEED_RESCHED,d2
139	bne	work_resched
140
141	# deal with pending signals and notify-resume requests
142work_notifysig:
143	mov	fp,d0
144	mov	d2,d1
145	call	do_notify_resume[],0
146	jmp	resume_userspace
147
148	# perform syscall entry tracing
149syscall_entry_trace:
150	mov	-ENOSYS,d0
151	mov	d0,(REG_D0,fp)
152	mov	fp,d0
153	call	syscall_trace_entry[],0	# returns the syscall number to actually use
154	mov	(REG_D1,fp),d1
155	cmp	nr_syscalls,d0
156	bcs	syscall_call
157	jmp	syscall_exit
158
159syscall_badsys:
160	mov	-ENOSYS,d0
161	mov	d0,(REG_D0,fp)
162	jmp	resume_userspace
163
164	# userspace resumption stub bypassing syscall exit tracing
165	.globl	ret_from_exception, ret_from_intr
166	ALIGN
167ret_from_exception:
168	preempt_stop
169ret_from_intr:
170	GET_THREAD_INFO a2
171	mov	(REG_EPSW,fp),d0	# need to deliver signals before
172					# returning to userspace
173	and	EPSW_nSL,d0
174	bne	resume_userspace	# returning to userspace
175
176#ifdef CONFIG_PREEMPT
177resume_kernel:
178	LOCAL_IRQ_DISABLE
179	mov	(TI_preempt_count,a2),d0	# non-zero preempt_count ?
180	cmp	0,d0
181	bne	restore_all
182
183need_resched:
184	btst	_TIF_NEED_RESCHED,(TI_flags,a2)
185	beq	restore_all
186	mov	(REG_EPSW,fp),d0
187	and	EPSW_IM,d0
188	cmp	EPSW_IM_7,d0		# interrupts off (exception path) ?
189	bne	restore_all
190	call	preempt_schedule_irq[],0
191	jmp	need_resched
192#else
193	jmp	resume_kernel
194#endif
195
196
197###############################################################################
198#
199# IRQ handler entry point
200# - intended to be entered at multiple priorities
201#
202###############################################################################
203ENTRY(irq_handler)
204	add	-4,sp
205	SAVE_ALL
206
207	# it's not a syscall
208	mov	0xffffffff,d0
209	mov	d0,(REG_ORIG_D0,fp)
210
211	mov	fp,d0
212	call	do_IRQ[],0			# do_IRQ(regs)
213
214	jmp	ret_from_intr
215
216###############################################################################
217#
218# Double Fault handler entry point
219# - note that there will not be a stack, D0/A0 will hold EPSW/PC as were
220#
221###############################################################################
222	.section .bss
223	.balign	THREAD_SIZE
224	.space	THREAD_SIZE
225__df_stack:
226	.previous
227
228ENTRY(double_fault)
229	mov	a0,(__df_stack-4)	# PC as was
230	mov	d0,(__df_stack-8)	# EPSW as was
231	mn10300_set_dbfleds		# display 'db-f' on the LEDs
232	mov	0xaa55aa55,d0
233	mov	d0,(__df_stack-12)	# no ORIG_D0
234	mov	sp,a0			# save corrupted SP
235	mov	__df_stack-12,sp	# emergency supervisor stack
236	SAVE_ALL
237	mov	a0,(REG_A0,fp)		# save corrupted SP as A0 (which got
238					# clobbered by the CPU)
239	mov	fp,d0
240	calls	do_double_fault
241double_fault_loop:
242	bra	double_fault_loop
243
244###############################################################################
245#
246# Bus Error handler entry point
247# - handle external (async) bus errors separately
248#
249###############################################################################
250ENTRY(raw_bus_error)
251	add	-4,sp
252	mov	d0,(sp)
253#if defined(CONFIG_ERRATUM_NEED_TO_RELOAD_MMUCTR)
254	mov	(MMUCTR),d0
255	mov	d0,(MMUCTR)
256#endif
257	mov	(BCBERR),d0		# what
258	btst	BCBERR_BEMR_DMA,d0	# see if it was an external bus error
259	beq	__common_exception_aux	# it wasn't
260
261	SAVE_ALL
262	mov	(BCBEAR),d1		# destination of erroneous access
263
264	mov	(REG_ORIG_D0,fp),d2
265	mov	d2,(REG_D0,fp)
266	mov	-1,d2
267	mov	d2,(REG_ORIG_D0,fp)
268
269	add	-4,sp
270	mov	fp,(12,sp)		# frame pointer
271	call	io_bus_error[],0
272	jmp	restore_all
273
274###############################################################################
275#
276# NMI exception entry points
277#
278# This is used by ordinary interrupt channels that have the GxICR_NMI bit set
279# in addition to the main NMI and Watchdog channels.  SMP NMI IPIs use this
280# facility.
281#
282###############################################################################
283ENTRY(nmi_handler)
284	add	-4,sp
285	mov	d0,(sp)
286	mov	(TBR),d0
287
288#ifdef CONFIG_SMP
289	add	-4,sp
290	mov	d0,(sp)			# save d0(TBR)
291	movhu	(NMIAGR),d0
292	and	NMIAGR_GN,d0
293	lsr	0x2,d0
294	cmp	CALL_FUNCTION_NMI_IPI,d0
295	bne	nmi_not_smp_callfunc	# if not call function, jump
296
297	# function call nmi ipi
298	add	4,sp			# no need to store TBR
299	mov	GxICR_DETECT,d0		# clear NMI request
300	movbu	d0,(GxICR(CALL_FUNCTION_NMI_IPI))
301	movhu	(GxICR(CALL_FUNCTION_NMI_IPI)),d0
302	and	~EPSW_NMID,epsw		# enable NMI
303
304	mov	(sp),d0			# restore d0
305	SAVE_ALL
306	call	smp_nmi_call_function_interrupt[],0
307	RESTORE_ALL
308
309nmi_not_smp_callfunc:
310#ifdef CONFIG_KERNEL_DEBUGGER
311	cmp	DEBUGGER_NMI_IPI,d0
312	bne	nmi_not_debugger	# if not kernel debugger NMI IPI, jump
313
314	# kernel debugger NMI IPI
315	add	4,sp			# no need to store TBR
316	mov	GxICR_DETECT,d0		# clear NMI
317	movbu	d0,(GxICR(DEBUGGER_NMI_IPI))
318	movhu	(GxICR(DEBUGGER_NMI_IPI)),d0
319	and	~EPSW_NMID,epsw		# enable NMI
320
321	mov     (sp),d0
322	SAVE_ALL
323	mov	fp,d0			# arg 0: stacked register file
324	mov	a2,d1			# arg 1: exception number
325	call    debugger_nmi_interrupt[],0
326	RESTORE_ALL
327
328nmi_not_debugger:
329#endif /* CONFIG_KERNEL_DEBUGGER */
330	mov     (sp),d0                 # restore TBR to d0
331	add     4,sp
332#endif /* CONFIG_SMP */
333
334	bra	__common_exception_nonmi
335
336###############################################################################
337#
338# General exception entry point
339#
340###############################################################################
341ENTRY(__common_exception)
342	add	-4,sp
343	mov	d0,(sp)
344#if defined(CONFIG_ERRATUM_NEED_TO_RELOAD_MMUCTR)
345	mov	(MMUCTR),d0
346	mov	d0,(MMUCTR)
347#endif
348
349__common_exception_aux:
350	mov	(TBR),d0
351	and	~EPSW_NMID,epsw		# turn NMIs back on if not NMI
352	or	EPSW_IE,epsw
353
354__common_exception_nonmi:
355	and	0x0000FFFF,d0		# turn the exception code into a vector
356					# table index
357
358	btst	0x00000007,d0
359	bne	1f
360	cmp	0x00000400,d0
361	bge	1f
362
363	SAVE_ALL			# build the stack frame
364
365	mov	(REG_D0,fp),a2		# get the exception number
366	mov	(REG_ORIG_D0,fp),d0
367	mov	d0,(REG_D0,fp)
368	mov	-1,d0
369	mov	d0,(REG_ORIG_D0,fp)
370
371#ifdef CONFIG_GDBSTUB
372#ifdef CONFIG_SMP
373	call	gdbstub_busy_check[],0
374	and	d0,d0			# check return value
375	beq	2f
376#else  /* CONFIG_SMP */
377	btst	0x01,(gdbstub_busy)
378	beq	2f
379#endif /* CONFIG_SMP */
380	and	~EPSW_IE,epsw
381	mov	fp,d0
382	mov	a2,d1
383	call	gdbstub_exception[],0	# gdbstub itself caused an exception
384	bra	restore_all
3852:
386#endif /* CONFIG_GDBSTUB */
387
388	mov	fp,d0			# arg 0: stacked register file
389	mov	a2,d1			# arg 1: exception number
390	lsr	1,a2
391
392	mov	(exception_table,a2),a2
393	calls	(a2)
394	jmp	ret_from_exception
395
3961:	pi				# BUG() equivalent
397
398###############################################################################
399#
400# Exception handler functions table
401#
402###############################################################################
403	.data
404ENTRY(exception_table)
405	.rept	0x400>>1
406	 .long	uninitialised_exception
407	.endr
408	.previous
409
410###############################################################################
411#
412# Change an entry in the exception table
413# - D0 exception code, D1 handler
414#
415###############################################################################
416ENTRY(set_excp_vector)
417	lsr	1,d0
418	add	exception_table,d0
419	mov	d1,(d0)
420	mov	4,d1
421	ret	[],0
422
423###############################################################################
424#
425# System call table
426#
427###############################################################################
428	.data
429ENTRY(sys_call_table)
430	.long sys_restart_syscall	/* 0 */
431	.long sys_exit
432	.long sys_fork
433	.long sys_read
434	.long sys_write
435	.long sys_open		/* 5 */
436	.long sys_close
437	.long sys_waitpid
438	.long sys_creat
439	.long sys_link
440	.long sys_unlink	/* 10 */
441	.long sys_execve
442	.long sys_chdir
443	.long sys_time
444	.long sys_mknod
445	.long sys_chmod		/* 15 */
446	.long sys_lchown16
447	.long sys_ni_syscall	/* old break syscall holder */
448	.long sys_stat
449	.long sys_lseek
450	.long sys_getpid	/* 20 */
451	.long sys_mount
452	.long sys_oldumount
453	.long sys_setuid16
454	.long sys_getuid16
455	.long sys_stime		/* 25 */
456	.long sys_ptrace
457	.long sys_alarm
458	.long sys_fstat
459	.long sys_pause
460	.long sys_utime		/* 30 */
461	.long sys_ni_syscall	/* old stty syscall holder */
462	.long sys_ni_syscall	/* old gtty syscall holder */
463	.long sys_access
464	.long sys_nice
465	.long sys_ni_syscall	/* 35 - old ftime syscall holder */
466	.long sys_sync
467	.long sys_kill
468	.long sys_rename
469	.long sys_mkdir
470	.long sys_rmdir		/* 40 */
471	.long sys_dup
472	.long sys_pipe
473	.long sys_times
474	.long sys_ni_syscall	/* old prof syscall holder */
475	.long sys_brk		/* 45 */
476	.long sys_setgid16
477	.long sys_getgid16
478	.long sys_signal
479	.long sys_geteuid16
480	.long sys_getegid16	/* 50 */
481	.long sys_acct
482	.long sys_umount	/* recycled never used phys() */
483	.long sys_ni_syscall	/* old lock syscall holder */
484	.long sys_ioctl
485	.long sys_fcntl		/* 55 */
486	.long sys_ni_syscall	/* old mpx syscall holder */
487	.long sys_setpgid
488	.long sys_ni_syscall	/* old ulimit syscall holder */
489	.long sys_ni_syscall	/* old sys_olduname */
490	.long sys_umask		/* 60 */
491	.long sys_chroot
492	.long sys_ustat
493	.long sys_dup2
494	.long sys_getppid
495	.long sys_getpgrp	/* 65 */
496	.long sys_setsid
497	.long sys_sigaction
498	.long sys_sgetmask
499	.long sys_ssetmask
500	.long sys_setreuid16	/* 70 */
501	.long sys_setregid16
502	.long sys_sigsuspend
503	.long sys_sigpending
504	.long sys_sethostname
505	.long sys_setrlimit	/* 75 */
506	.long sys_old_getrlimit
507	.long sys_getrusage
508	.long sys_gettimeofday
509	.long sys_settimeofday
510	.long sys_getgroups16	/* 80 */
511	.long sys_setgroups16
512	.long sys_old_select
513	.long sys_symlink
514	.long sys_lstat
515	.long sys_readlink	/* 85 */
516	.long sys_uselib
517	.long sys_swapon
518	.long sys_reboot
519	.long sys_old_readdir
520	.long old_mmap		/* 90 */
521	.long sys_munmap
522	.long sys_truncate
523	.long sys_ftruncate
524	.long sys_fchmod
525	.long sys_fchown16	/* 95 */
526	.long sys_getpriority
527	.long sys_setpriority
528	.long sys_ni_syscall	/* old profil syscall holder */
529	.long sys_statfs
530	.long sys_fstatfs	/* 100 */
531	.long sys_ni_syscall	/* ioperm */
532	.long sys_socketcall
533	.long sys_syslog
534	.long sys_setitimer
535	.long sys_getitimer	/* 105 */
536	.long sys_newstat
537	.long sys_newlstat
538	.long sys_newfstat
539	.long sys_ni_syscall	/* old sys_uname */
540	.long sys_ni_syscall	/* 110 - iopl */
541	.long sys_vhangup
542	.long sys_ni_syscall	/* old "idle" system call */
543	.long sys_ni_syscall	/* vm86old */
544	.long sys_wait4
545	.long sys_swapoff	/* 115 */
546	.long sys_sysinfo
547	.long sys_ipc
548	.long sys_fsync
549	.long sys_sigreturn
550	.long sys_clone		/* 120 */
551	.long sys_setdomainname
552	.long sys_newuname
553	.long sys_ni_syscall	/* modify_ldt */
554	.long sys_adjtimex
555	.long sys_mprotect	/* 125 */
556	.long sys_sigprocmask
557	.long sys_ni_syscall	/* old "create_module" */
558	.long sys_init_module
559	.long sys_delete_module
560	.long sys_ni_syscall	/* 130:	old "get_kernel_syms" */
561	.long sys_quotactl
562	.long sys_getpgid
563	.long sys_fchdir
564	.long sys_bdflush
565	.long sys_sysfs		/* 135 */
566	.long sys_personality
567	.long sys_ni_syscall	/* reserved for afs_syscall */
568	.long sys_setfsuid16
569	.long sys_setfsgid16
570	.long sys_llseek	/* 140 */
571	.long sys_getdents
572	.long sys_select
573	.long sys_flock
574	.long sys_msync
575	.long sys_readv		/* 145 */
576	.long sys_writev
577	.long sys_getsid
578	.long sys_fdatasync
579	.long sys_sysctl
580	.long sys_mlock		/* 150 */
581	.long sys_munlock
582	.long sys_mlockall
583	.long sys_munlockall
584	.long sys_sched_setparam
585	.long sys_sched_getparam   /* 155 */
586	.long sys_sched_setscheduler
587	.long sys_sched_getscheduler
588	.long sys_sched_yield
589	.long sys_sched_get_priority_max
590	.long sys_sched_get_priority_min  /* 160 */
591	.long sys_sched_rr_get_interval
592	.long sys_nanosleep
593	.long sys_mremap
594	.long sys_setresuid16
595	.long sys_getresuid16	/* 165 */
596	.long sys_ni_syscall	/* vm86 */
597	.long sys_ni_syscall	/* Old sys_query_module */
598	.long sys_poll
599	.long sys_ni_syscall	/* was nfsservctl */
600	.long sys_setresgid16	/* 170 */
601	.long sys_getresgid16
602	.long sys_prctl
603	.long sys_rt_sigreturn
604	.long sys_rt_sigaction
605	.long sys_rt_sigprocmask	/* 175 */
606	.long sys_rt_sigpending
607	.long sys_rt_sigtimedwait
608	.long sys_rt_sigqueueinfo
609	.long sys_rt_sigsuspend
610	.long sys_pread64	/* 180 */
611	.long sys_pwrite64
612	.long sys_chown16
613	.long sys_getcwd
614	.long sys_capget
615	.long sys_capset	/* 185 */
616	.long sys_sigaltstack
617	.long sys_sendfile
618	.long sys_ni_syscall	/* reserved for streams1 */
619	.long sys_ni_syscall	/* reserved for streams2 */
620	.long sys_vfork		/* 190 */
621	.long sys_getrlimit
622	.long sys_mmap_pgoff
623	.long sys_truncate64
624	.long sys_ftruncate64
625	.long sys_stat64	/* 195 */
626	.long sys_lstat64
627	.long sys_fstat64
628	.long sys_lchown
629	.long sys_getuid
630	.long sys_getgid	/* 200 */
631	.long sys_geteuid
632	.long sys_getegid
633	.long sys_setreuid
634	.long sys_setregid
635	.long sys_getgroups	/* 205 */
636	.long sys_setgroups
637	.long sys_fchown
638	.long sys_setresuid
639	.long sys_getresuid
640	.long sys_setresgid	/* 210 */
641	.long sys_getresgid
642	.long sys_chown
643	.long sys_setuid
644	.long sys_setgid
645	.long sys_setfsuid	/* 215 */
646	.long sys_setfsgid
647	.long sys_pivot_root
648	.long sys_mincore
649	.long sys_madvise
650	.long sys_getdents64	/* 220 */
651	.long sys_fcntl64
652	.long sys_ni_syscall	/* reserved for TUX */
653	.long sys_ni_syscall
654	.long sys_gettid
655	.long sys_readahead	/* 225 */
656	.long sys_setxattr
657	.long sys_lsetxattr
658	.long sys_fsetxattr
659	.long sys_getxattr
660	.long sys_lgetxattr	/* 230 */
661	.long sys_fgetxattr
662	.long sys_listxattr
663	.long sys_llistxattr
664	.long sys_flistxattr
665	.long sys_removexattr	/* 235 */
666	.long sys_lremovexattr
667	.long sys_fremovexattr
668	.long sys_tkill
669	.long sys_sendfile64
670	.long sys_futex		/* 240 */
671	.long sys_sched_setaffinity
672	.long sys_sched_getaffinity
673	.long sys_ni_syscall	/* sys_set_thread_area */
674	.long sys_ni_syscall	/* sys_get_thread_area */
675	.long sys_io_setup	/* 245 */
676	.long sys_io_destroy
677	.long sys_io_getevents
678	.long sys_io_submit
679	.long sys_io_cancel
680	.long sys_fadvise64	/* 250 */
681	.long sys_ni_syscall
682	.long sys_exit_group
683	.long sys_lookup_dcookie
684	.long sys_epoll_create
685	.long sys_epoll_ctl	/* 255 */
686	.long sys_epoll_wait
687 	.long sys_remap_file_pages
688 	.long sys_set_tid_address
689 	.long sys_timer_create
690 	.long sys_timer_settime		/* 260 */
691 	.long sys_timer_gettime
692 	.long sys_timer_getoverrun
693 	.long sys_timer_delete
694 	.long sys_clock_settime
695 	.long sys_clock_gettime		/* 265 */
696 	.long sys_clock_getres
697 	.long sys_clock_nanosleep
698	.long sys_statfs64
699	.long sys_fstatfs64
700	.long sys_tgkill		/* 270 */
701	.long sys_utimes
702 	.long sys_fadvise64_64
703	.long sys_ni_syscall	/* sys_vserver */
704	.long sys_mbind
705	.long sys_get_mempolicy		/* 275 */
706	.long sys_set_mempolicy
707	.long sys_mq_open
708	.long sys_mq_unlink
709	.long sys_mq_timedsend
710	.long sys_mq_timedreceive	/* 280 */
711	.long sys_mq_notify
712	.long sys_mq_getsetattr
713	.long sys_kexec_load
714	.long sys_waitid
715	.long sys_ni_syscall		/* 285 */ /* available */
716	.long sys_add_key
717	.long sys_request_key
718	.long sys_keyctl
719	.long sys_cacheflush
720	.long sys_ioprio_set		/* 290 */
721	.long sys_ioprio_get
722	.long sys_inotify_init
723	.long sys_inotify_add_watch
724	.long sys_inotify_rm_watch
725	.long sys_migrate_pages		/* 295 */
726	.long sys_openat
727	.long sys_mkdirat
728	.long sys_mknodat
729	.long sys_fchownat
730	.long sys_futimesat		/* 300 */
731	.long sys_fstatat64
732	.long sys_unlinkat
733	.long sys_renameat
734	.long sys_linkat
735	.long sys_symlinkat		/* 305 */
736	.long sys_readlinkat
737	.long sys_fchmodat
738	.long sys_faccessat
739	.long sys_pselect6
740	.long sys_ppoll			/* 310 */
741	.long sys_unshare
742	.long sys_set_robust_list
743	.long sys_get_robust_list
744	.long sys_splice
745	.long sys_sync_file_range	/* 315 */
746	.long sys_tee
747	.long sys_vmsplice
748	.long sys_move_pages
749	.long sys_getcpu
750	.long sys_epoll_pwait		/* 320 */
751	.long sys_utimensat
752	.long sys_signalfd
753	.long sys_timerfd_create
754	.long sys_eventfd
755	.long sys_fallocate		/* 325 */
756	.long sys_timerfd_settime
757	.long sys_timerfd_gettime
758	.long sys_signalfd4
759	.long sys_eventfd2
760	.long sys_epoll_create1		/* 330 */
761	.long sys_dup3
762	.long sys_pipe2
763	.long sys_inotify_init1
764	.long sys_preadv
765	.long sys_pwritev		/* 335 */
766	.long sys_rt_tgsigqueueinfo
767	.long sys_perf_event_open
768	.long sys_recvmmsg
769	.long sys_setns
770
771
772nr_syscalls=(.-sys_call_table)/4