|  | /* -*- mode: asm -*- | 
|  | * | 
|  | *  linux/arch/m68k/kernel/entry.S | 
|  | * | 
|  | *  Copyright (C) 1991, 1992  Linus Torvalds | 
|  | * | 
|  | * This file is subject to the terms and conditions of the GNU General Public | 
|  | * License.  See the file README.legal in the main directory of this archive | 
|  | * for more details. | 
|  | * | 
|  | * Linux/m68k support by Hamish Macdonald | 
|  | * | 
|  | * 68060 fixes by Jesper Skov | 
|  | * | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * entry.S  contains the system-call and fault low-level handling routines. | 
|  | * This also contains the timer-interrupt handler, as well as all interrupts | 
|  | * and faults that can result in a task-switch. | 
|  | * | 
|  | * NOTE: This code handles signal-recognition, which happens every time | 
|  | * after a timer-interrupt and after each system call. | 
|  | * | 
|  | */ | 
|  |  | 
|  | /* | 
|  | * 12/03/96 Jes: Currently we only support m68k single-cpu systems, so | 
|  | *               all pointers that used to be 'current' are now entry | 
|  | *               number 0 in the 'current_set' list. | 
|  | * | 
|  | *  6/05/00 RZ:	 addedd writeback completion after return from sighandler | 
|  | *		 for 68040 | 
|  | */ | 
|  |  | 
|  | #include <linux/linkage.h> | 
|  | #include <asm/entry.h> | 
|  | #include <asm/errno.h> | 
|  | #include <asm/setup.h> | 
|  | #include <asm/segment.h> | 
|  | #include <asm/traps.h> | 
|  | #include <asm/unistd.h> | 
|  |  | 
|  | #include <asm/asm-offsets.h> | 
|  |  | 
|  | .globl system_call, buserr, trap, resume | 
|  | .globl sys_call_table | 
|  | .globl sys_fork, sys_clone, sys_vfork | 
|  | .globl ret_from_interrupt, bad_interrupt | 
|  | .globl auto_irqhandler_fixup | 
|  | .globl user_irqvec_fixup, user_irqhandler_fixup | 
|  |  | 
|  | .text | 
|  | ENTRY(buserr) | 
|  | SAVE_ALL_INT | 
|  | GET_CURRENT(%d0) | 
|  | movel	%sp,%sp@-		| stack frame pointer argument | 
|  | bsrl	buserr_c | 
|  | addql	#4,%sp | 
|  | jra	.Lret_from_exception | 
|  |  | 
|  | ENTRY(trap) | 
|  | SAVE_ALL_INT | 
|  | GET_CURRENT(%d0) | 
|  | movel	%sp,%sp@-		| stack frame pointer argument | 
|  | bsrl	trap_c | 
|  | addql	#4,%sp | 
|  | jra	.Lret_from_exception | 
|  |  | 
|  | | After a fork we jump here directly from resume, | 
|  | | so that %d1 contains the previous task | 
|  | | schedule_tail now used regardless of CONFIG_SMP | 
|  | ENTRY(ret_from_fork) | 
|  | movel	%d1,%sp@- | 
|  | jsr	schedule_tail | 
|  | addql	#4,%sp | 
|  | jra	.Lret_from_exception | 
|  |  | 
|  | do_trace_entry: | 
|  | movel	#-ENOSYS,%sp@(PT_OFF_D0)| needed for strace | 
|  | subql	#4,%sp | 
|  | SAVE_SWITCH_STACK | 
|  | jbsr	syscall_trace | 
|  | RESTORE_SWITCH_STACK | 
|  | addql	#4,%sp | 
|  | movel	%sp@(PT_OFF_ORIG_D0),%d0 | 
|  | cmpl	#NR_syscalls,%d0 | 
|  | jcs	syscall | 
|  | badsys: | 
|  | movel	#-ENOSYS,%sp@(PT_OFF_D0) | 
|  | jra	ret_from_syscall | 
|  |  | 
|  | do_trace_exit: | 
|  | subql	#4,%sp | 
|  | SAVE_SWITCH_STACK | 
|  | jbsr	syscall_trace | 
|  | RESTORE_SWITCH_STACK | 
|  | addql	#4,%sp | 
|  | jra	.Lret_from_exception | 
|  |  | 
|  | ENTRY(ret_from_signal) | 
|  | tstb	%curptr@(TASK_INFO+TINFO_FLAGS+2) | 
|  | jge	1f | 
|  | jbsr	syscall_trace | 
|  | 1:	RESTORE_SWITCH_STACK | 
|  | addql	#4,%sp | 
|  | /* on 68040 complete pending writebacks if any */ | 
|  | #ifdef CONFIG_M68040 | 
|  | bfextu	%sp@(PT_OFF_FORMATVEC){#0,#4},%d0 | 
|  | subql	#7,%d0				| bus error frame ? | 
|  | jbne	1f | 
|  | movel	%sp,%sp@- | 
|  | jbsr	berr_040cleanup | 
|  | addql	#4,%sp | 
|  | 1: | 
|  | #endif | 
|  | jra	.Lret_from_exception | 
|  |  | 
|  | ENTRY(system_call) | 
|  | SAVE_ALL_SYS | 
|  |  | 
|  | GET_CURRENT(%d1) | 
|  | | save top of frame | 
|  | movel	%sp,%curptr@(TASK_THREAD+THREAD_ESP0) | 
|  |  | 
|  | | syscall trace? | 
|  | tstb	%curptr@(TASK_INFO+TINFO_FLAGS+2) | 
|  | jmi	do_trace_entry | 
|  | cmpl	#NR_syscalls,%d0 | 
|  | jcc	badsys | 
|  | syscall: | 
|  | jbsr	@(sys_call_table,%d0:l:4)@(0) | 
|  | movel	%d0,%sp@(PT_OFF_D0)	| save the return value | 
|  | ret_from_syscall: | 
|  | |oriw	#0x0700,%sr | 
|  | movew	%curptr@(TASK_INFO+TINFO_FLAGS+2),%d0 | 
|  | jne	syscall_exit_work | 
|  | 1:	RESTORE_ALL | 
|  |  | 
|  | syscall_exit_work: | 
|  | btst	#5,%sp@(PT_OFF_SR)	| check if returning to kernel | 
|  | bnes	1b			| if so, skip resched, signals | 
|  | lslw	#1,%d0 | 
|  | jcs	do_trace_exit | 
|  | jmi	do_delayed_trace | 
|  | lslw	#8,%d0 | 
|  | jmi	do_signal_return | 
|  | pea	resume_userspace | 
|  | jra	schedule | 
|  |  | 
|  |  | 
|  | ENTRY(ret_from_exception) | 
|  | .Lret_from_exception: | 
|  | btst	#5,%sp@(PT_OFF_SR)	| check if returning to kernel | 
|  | bnes	1f			| if so, skip resched, signals | 
|  | | only allow interrupts when we are really the last one on the | 
|  | | kernel stack, otherwise stack overflow can occur during | 
|  | | heavy interrupt load | 
|  | andw	#ALLOWINT,%sr | 
|  |  | 
|  | resume_userspace: | 
|  | moveb	%curptr@(TASK_INFO+TINFO_FLAGS+3),%d0 | 
|  | jne	exit_work | 
|  | 1:	RESTORE_ALL | 
|  |  | 
|  | exit_work: | 
|  | | save top of frame | 
|  | movel	%sp,%curptr@(TASK_THREAD+THREAD_ESP0) | 
|  | lslb	#1,%d0 | 
|  | jmi	do_signal_return | 
|  | pea	resume_userspace | 
|  | jra	schedule | 
|  |  | 
|  |  | 
|  | do_signal_return: | 
|  | |andw	#ALLOWINT,%sr | 
|  | subql	#4,%sp			| dummy return address | 
|  | SAVE_SWITCH_STACK | 
|  | pea	%sp@(SWITCH_STACK_SIZE) | 
|  | bsrl	do_signal | 
|  | addql	#4,%sp | 
|  | RESTORE_SWITCH_STACK | 
|  | addql	#4,%sp | 
|  | jbra	resume_userspace | 
|  |  | 
|  | do_delayed_trace: | 
|  | bclr	#7,%sp@(PT_OFF_SR)	| clear trace bit in SR | 
|  | pea	1			| send SIGTRAP | 
|  | movel	%curptr,%sp@- | 
|  | pea	LSIGTRAP | 
|  | jbsr	send_sig | 
|  | addql	#8,%sp | 
|  | addql	#4,%sp | 
|  | jbra	resume_userspace | 
|  |  | 
|  |  | 
|  | /* This is the main interrupt handler for autovector interrupts */ | 
|  |  | 
|  | ENTRY(auto_inthandler) | 
|  | SAVE_ALL_INT | 
|  | GET_CURRENT(%d0) | 
|  | addqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | 
|  | |  put exception # in d0 | 
|  | bfextu	%sp@(PT_OFF_FORMATVEC){#4,#10},%d0 | 
|  | subw	#VEC_SPUR,%d0 | 
|  |  | 
|  | movel	%sp,%sp@- | 
|  | movel	%d0,%sp@-		|  put vector # on stack | 
|  | auto_irqhandler_fixup = . + 2 | 
|  | jsr	__m68k_handle_int	|  process the IRQ | 
|  | addql	#8,%sp			|  pop parameters off stack | 
|  |  | 
|  | ret_from_interrupt: | 
|  | subqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | 
|  | jeq	ret_from_last_interrupt | 
|  | 2:	RESTORE_ALL | 
|  |  | 
|  | ALIGN | 
|  | ret_from_last_interrupt: | 
|  | moveq	#(~ALLOWINT>>8)&0xff,%d0 | 
|  | andb	%sp@(PT_OFF_SR),%d0 | 
|  | jne	2b | 
|  |  | 
|  | /* check if we need to do software interrupts */ | 
|  | tstl	irq_stat+CPUSTAT_SOFTIRQ_PENDING | 
|  | jeq	.Lret_from_exception | 
|  | pea	ret_from_exception | 
|  | jra	do_softirq | 
|  |  | 
|  | /* Handler for user defined interrupt vectors */ | 
|  |  | 
|  | ENTRY(user_inthandler) | 
|  | SAVE_ALL_INT | 
|  | GET_CURRENT(%d0) | 
|  | addqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | 
|  | |  put exception # in d0 | 
|  | bfextu	%sp@(PT_OFF_FORMATVEC){#4,#10},%d0 | 
|  | user_irqvec_fixup = . + 2 | 
|  | subw	#VEC_USER,%d0 | 
|  |  | 
|  | movel	%sp,%sp@- | 
|  | movel	%d0,%sp@-		|  put vector # on stack | 
|  | user_irqhandler_fixup = . + 2 | 
|  | jsr	__m68k_handle_int	|  process the IRQ | 
|  | addql	#8,%sp			|  pop parameters off stack | 
|  |  | 
|  | subqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | 
|  | jeq	ret_from_last_interrupt | 
|  | RESTORE_ALL | 
|  |  | 
|  | /* Handler for uninitialized and spurious interrupts */ | 
|  |  | 
|  | ENTRY(bad_inthandler) | 
|  | SAVE_ALL_INT | 
|  | GET_CURRENT(%d0) | 
|  | addqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | 
|  |  | 
|  | movel	%sp,%sp@- | 
|  | jsr	handle_badint | 
|  | addql	#4,%sp | 
|  |  | 
|  | subqb	#1,%curptr@(TASK_INFO+TINFO_PREEMPT+1) | 
|  | jeq	ret_from_last_interrupt | 
|  | RESTORE_ALL | 
|  |  | 
|  |  | 
|  | ENTRY(sys_fork) | 
|  | SAVE_SWITCH_STACK | 
|  | pea	%sp@(SWITCH_STACK_SIZE) | 
|  | jbsr	m68k_fork | 
|  | addql	#4,%sp | 
|  | RESTORE_SWITCH_STACK | 
|  | rts | 
|  |  | 
|  | ENTRY(sys_clone) | 
|  | SAVE_SWITCH_STACK | 
|  | pea	%sp@(SWITCH_STACK_SIZE) | 
|  | jbsr	m68k_clone | 
|  | addql	#4,%sp | 
|  | RESTORE_SWITCH_STACK | 
|  | rts | 
|  |  | 
|  | ENTRY(sys_vfork) | 
|  | SAVE_SWITCH_STACK | 
|  | pea	%sp@(SWITCH_STACK_SIZE) | 
|  | jbsr	m68k_vfork | 
|  | addql	#4,%sp | 
|  | RESTORE_SWITCH_STACK | 
|  | rts | 
|  |  | 
|  | ENTRY(sys_sigreturn) | 
|  | SAVE_SWITCH_STACK | 
|  | jbsr	do_sigreturn | 
|  | RESTORE_SWITCH_STACK | 
|  | rts | 
|  |  | 
|  | ENTRY(sys_rt_sigreturn) | 
|  | SAVE_SWITCH_STACK | 
|  | jbsr	do_rt_sigreturn | 
|  | RESTORE_SWITCH_STACK | 
|  | rts | 
|  |  | 
|  | resume: | 
|  | /* | 
|  | * Beware - when entering resume, prev (the current task) is | 
|  | * in a0, next (the new task) is in a1,so don't change these | 
|  | * registers until their contents are no longer needed. | 
|  | */ | 
|  |  | 
|  | /* save sr */ | 
|  | movew	%sr,%a0@(TASK_THREAD+THREAD_SR) | 
|  |  | 
|  | /* save fs (sfc,%dfc) (may be pointing to kernel memory) */ | 
|  | movec	%sfc,%d0 | 
|  | movew	%d0,%a0@(TASK_THREAD+THREAD_FS) | 
|  |  | 
|  | /* save usp */ | 
|  | /* it is better to use a movel here instead of a movew 8*) */ | 
|  | movec	%usp,%d0 | 
|  | movel	%d0,%a0@(TASK_THREAD+THREAD_USP) | 
|  |  | 
|  | /* save non-scratch registers on stack */ | 
|  | SAVE_SWITCH_STACK | 
|  |  | 
|  | /* save current kernel stack pointer */ | 
|  | movel	%sp,%a0@(TASK_THREAD+THREAD_KSP) | 
|  |  | 
|  | /* save floating point context */ | 
|  | #ifndef CONFIG_M68KFPU_EMU_ONLY | 
|  | #ifdef CONFIG_M68KFPU_EMU | 
|  | tstl	m68k_fputype | 
|  | jeq	3f | 
|  | #endif | 
|  | fsave	%a0@(TASK_THREAD+THREAD_FPSTATE) | 
|  |  | 
|  | #if defined(CONFIG_M68060) | 
|  | #if !defined(CPU_M68060_ONLY) | 
|  | btst	#3,m68k_cputype+3 | 
|  | beqs	1f | 
|  | #endif | 
|  | /* The 060 FPU keeps status in bits 15-8 of the first longword */ | 
|  | tstb	%a0@(TASK_THREAD+THREAD_FPSTATE+2) | 
|  | jeq	3f | 
|  | #if !defined(CPU_M68060_ONLY) | 
|  | jra	2f | 
|  | #endif | 
|  | #endif /* CONFIG_M68060 */ | 
|  | #if !defined(CPU_M68060_ONLY) | 
|  | 1:	tstb	%a0@(TASK_THREAD+THREAD_FPSTATE) | 
|  | jeq	3f | 
|  | #endif | 
|  | 2:	fmovemx	%fp0-%fp7,%a0@(TASK_THREAD+THREAD_FPREG) | 
|  | fmoveml	%fpcr/%fpsr/%fpiar,%a0@(TASK_THREAD+THREAD_FPCNTL) | 
|  | 3: | 
|  | #endif	/* CONFIG_M68KFPU_EMU_ONLY */ | 
|  | /* Return previous task in %d1 */ | 
|  | movel	%curptr,%d1 | 
|  |  | 
|  | /* switch to new task (a1 contains new task) */ | 
|  | movel	%a1,%curptr | 
|  |  | 
|  | /* restore floating point context */ | 
|  | #ifndef CONFIG_M68KFPU_EMU_ONLY | 
|  | #ifdef CONFIG_M68KFPU_EMU | 
|  | tstl	m68k_fputype | 
|  | jeq	4f | 
|  | #endif | 
|  | #if defined(CONFIG_M68060) | 
|  | #if !defined(CPU_M68060_ONLY) | 
|  | btst	#3,m68k_cputype+3 | 
|  | beqs	1f | 
|  | #endif | 
|  | /* The 060 FPU keeps status in bits 15-8 of the first longword */ | 
|  | tstb	%a1@(TASK_THREAD+THREAD_FPSTATE+2) | 
|  | jeq	3f | 
|  | #if !defined(CPU_M68060_ONLY) | 
|  | jra	2f | 
|  | #endif | 
|  | #endif /* CONFIG_M68060 */ | 
|  | #if !defined(CPU_M68060_ONLY) | 
|  | 1:	tstb	%a1@(TASK_THREAD+THREAD_FPSTATE) | 
|  | jeq	3f | 
|  | #endif | 
|  | 2:	fmovemx	%a1@(TASK_THREAD+THREAD_FPREG),%fp0-%fp7 | 
|  | fmoveml	%a1@(TASK_THREAD+THREAD_FPCNTL),%fpcr/%fpsr/%fpiar | 
|  | 3:	frestore %a1@(TASK_THREAD+THREAD_FPSTATE) | 
|  | 4: | 
|  | #endif	/* CONFIG_M68KFPU_EMU_ONLY */ | 
|  |  | 
|  | /* restore the kernel stack pointer */ | 
|  | movel	%a1@(TASK_THREAD+THREAD_KSP),%sp | 
|  |  | 
|  | /* restore non-scratch registers */ | 
|  | RESTORE_SWITCH_STACK | 
|  |  | 
|  | /* restore user stack pointer */ | 
|  | movel	%a1@(TASK_THREAD+THREAD_USP),%a0 | 
|  | movel	%a0,%usp | 
|  |  | 
|  | /* restore fs (sfc,%dfc) */ | 
|  | movew	%a1@(TASK_THREAD+THREAD_FS),%a0 | 
|  | movec	%a0,%sfc | 
|  | movec	%a0,%dfc | 
|  |  | 
|  | /* restore status register */ | 
|  | movew	%a1@(TASK_THREAD+THREAD_SR),%sr | 
|  |  | 
|  | rts | 
|  |  | 
|  | .data | 
|  | ALIGN | 
|  | sys_call_table: | 
|  | .long sys_restart_syscall	/* 0 - old "setup()" system call, used for restarting */ | 
|  | .long sys_exit | 
|  | .long sys_fork | 
|  | .long sys_read | 
|  | .long sys_write | 
|  | .long sys_open		/* 5 */ | 
|  | .long sys_close | 
|  | .long sys_waitpid | 
|  | .long sys_creat | 
|  | .long sys_link | 
|  | .long sys_unlink	/* 10 */ | 
|  | .long sys_execve | 
|  | .long sys_chdir | 
|  | .long sys_time | 
|  | .long sys_mknod | 
|  | .long sys_chmod		/* 15 */ | 
|  | .long sys_chown16 | 
|  | .long sys_ni_syscall				/* old break syscall holder */ | 
|  | .long sys_stat | 
|  | .long sys_lseek | 
|  | .long sys_getpid	/* 20 */ | 
|  | .long sys_mount | 
|  | .long sys_oldumount | 
|  | .long sys_setuid16 | 
|  | .long sys_getuid16 | 
|  | .long sys_stime		/* 25 */ | 
|  | .long sys_ptrace | 
|  | .long sys_alarm | 
|  | .long sys_fstat | 
|  | .long sys_pause | 
|  | .long sys_utime		/* 30 */ | 
|  | .long sys_ni_syscall				/* old stty syscall holder */ | 
|  | .long sys_ni_syscall				/* old gtty syscall holder */ | 
|  | .long sys_access | 
|  | .long sys_nice | 
|  | .long sys_ni_syscall	/* 35 */	/* old ftime syscall holder */ | 
|  | .long sys_sync | 
|  | .long sys_kill | 
|  | .long sys_rename | 
|  | .long sys_mkdir | 
|  | .long sys_rmdir		/* 40 */ | 
|  | .long sys_dup | 
|  | .long sys_pipe | 
|  | .long sys_times | 
|  | .long sys_ni_syscall				/* old prof syscall holder */ | 
|  | .long sys_brk		/* 45 */ | 
|  | .long sys_setgid16 | 
|  | .long sys_getgid16 | 
|  | .long sys_signal | 
|  | .long sys_geteuid16 | 
|  | .long sys_getegid16	/* 50 */ | 
|  | .long sys_acct | 
|  | .long sys_umount				/* recycled never used phys() */ | 
|  | .long sys_ni_syscall				/* old lock syscall holder */ | 
|  | .long sys_ioctl | 
|  | .long sys_fcntl		/* 55 */ | 
|  | .long sys_ni_syscall				/* old mpx syscall holder */ | 
|  | .long sys_setpgid | 
|  | .long sys_ni_syscall				/* old ulimit syscall holder */ | 
|  | .long sys_ni_syscall | 
|  | .long sys_umask		/* 60 */ | 
|  | .long sys_chroot | 
|  | .long sys_ustat | 
|  | .long sys_dup2 | 
|  | .long sys_getppid | 
|  | .long sys_getpgrp	/* 65 */ | 
|  | .long sys_setsid | 
|  | .long sys_sigaction | 
|  | .long sys_sgetmask | 
|  | .long sys_ssetmask | 
|  | .long sys_setreuid16	/* 70 */ | 
|  | .long sys_setregid16 | 
|  | .long sys_sigsuspend | 
|  | .long sys_sigpending | 
|  | .long sys_sethostname | 
|  | .long sys_setrlimit	/* 75 */ | 
|  | .long sys_old_getrlimit | 
|  | .long sys_getrusage | 
|  | .long sys_gettimeofday | 
|  | .long sys_settimeofday | 
|  | .long sys_getgroups16	/* 80 */ | 
|  | .long sys_setgroups16 | 
|  | .long sys_old_select | 
|  | .long sys_symlink | 
|  | .long sys_lstat | 
|  | .long sys_readlink	/* 85 */ | 
|  | .long sys_uselib | 
|  | .long sys_swapon | 
|  | .long sys_reboot | 
|  | .long sys_old_readdir | 
|  | .long sys_old_mmap	/* 90 */ | 
|  | .long sys_munmap | 
|  | .long sys_truncate | 
|  | .long sys_ftruncate | 
|  | .long sys_fchmod | 
|  | .long sys_fchown16	/* 95 */ | 
|  | .long sys_getpriority | 
|  | .long sys_setpriority | 
|  | .long sys_ni_syscall				/* old profil syscall holder */ | 
|  | .long sys_statfs | 
|  | .long sys_fstatfs	/* 100 */ | 
|  | .long sys_ni_syscall				/* ioperm for i386 */ | 
|  | .long sys_socketcall | 
|  | .long sys_syslog | 
|  | .long sys_setitimer | 
|  | .long sys_getitimer	/* 105 */ | 
|  | .long sys_newstat | 
|  | .long sys_newlstat | 
|  | .long sys_newfstat | 
|  | .long sys_ni_syscall | 
|  | .long sys_ni_syscall	/* 110 */	/* iopl for i386 */ | 
|  | .long sys_vhangup | 
|  | .long sys_ni_syscall				/* obsolete idle() syscall */ | 
|  | .long sys_ni_syscall				/* vm86old for i386 */ | 
|  | .long sys_wait4 | 
|  | .long sys_swapoff	/* 115 */ | 
|  | .long sys_sysinfo | 
|  | .long sys_ipc | 
|  | .long sys_fsync | 
|  | .long sys_sigreturn | 
|  | .long sys_clone		/* 120 */ | 
|  | .long sys_setdomainname | 
|  | .long sys_newuname | 
|  | .long sys_cacheflush				/* modify_ldt for i386 */ | 
|  | .long sys_adjtimex | 
|  | .long sys_mprotect	/* 125 */ | 
|  | .long sys_sigprocmask | 
|  | .long sys_ni_syscall		/* old "create_module" */ | 
|  | .long sys_init_module | 
|  | .long sys_delete_module | 
|  | .long sys_ni_syscall	/* 130 - old "get_kernel_syms" */ | 
|  | .long sys_quotactl | 
|  | .long sys_getpgid | 
|  | .long sys_fchdir | 
|  | .long sys_bdflush | 
|  | .long sys_sysfs		/* 135 */ | 
|  | .long sys_personality | 
|  | .long sys_ni_syscall				/* for afs_syscall */ | 
|  | .long sys_setfsuid16 | 
|  | .long sys_setfsgid16 | 
|  | .long sys_llseek	/* 140 */ | 
|  | .long sys_getdents | 
|  | .long sys_select | 
|  | .long sys_flock | 
|  | .long sys_msync | 
|  | .long sys_readv		/* 145 */ | 
|  | .long sys_writev | 
|  | .long sys_getsid | 
|  | .long sys_fdatasync | 
|  | .long sys_sysctl | 
|  | .long sys_mlock		/* 150 */ | 
|  | .long sys_munlock | 
|  | .long sys_mlockall | 
|  | .long sys_munlockall | 
|  | .long sys_sched_setparam | 
|  | .long sys_sched_getparam	/* 155 */ | 
|  | .long sys_sched_setscheduler | 
|  | .long sys_sched_getscheduler | 
|  | .long sys_sched_yield | 
|  | .long sys_sched_get_priority_max | 
|  | .long sys_sched_get_priority_min  /* 160 */ | 
|  | .long sys_sched_rr_get_interval | 
|  | .long sys_nanosleep | 
|  | .long sys_mremap | 
|  | .long sys_setresuid16 | 
|  | .long sys_getresuid16	/* 165 */ | 
|  | .long sys_getpagesize | 
|  | .long sys_ni_syscall		/* old sys_query_module */ | 
|  | .long sys_poll | 
|  | .long sys_nfsservctl | 
|  | .long sys_setresgid16	/* 170 */ | 
|  | .long sys_getresgid16 | 
|  | .long sys_prctl | 
|  | .long sys_rt_sigreturn | 
|  | .long sys_rt_sigaction | 
|  | .long sys_rt_sigprocmask	/* 175 */ | 
|  | .long sys_rt_sigpending | 
|  | .long sys_rt_sigtimedwait | 
|  | .long sys_rt_sigqueueinfo | 
|  | .long sys_rt_sigsuspend | 
|  | .long sys_pread64	/* 180 */ | 
|  | .long sys_pwrite64 | 
|  | .long sys_lchown16; | 
|  | .long sys_getcwd | 
|  | .long sys_capget | 
|  | .long sys_capset	/* 185 */ | 
|  | .long sys_sigaltstack | 
|  | .long sys_sendfile | 
|  | .long sys_ni_syscall				/* streams1 */ | 
|  | .long sys_ni_syscall				/* streams2 */ | 
|  | .long sys_vfork		/* 190 */ | 
|  | .long sys_getrlimit | 
|  | .long sys_mmap2 | 
|  | .long sys_truncate64 | 
|  | .long sys_ftruncate64 | 
|  | .long sys_stat64	/* 195 */ | 
|  | .long sys_lstat64 | 
|  | .long sys_fstat64 | 
|  | .long sys_chown | 
|  | .long sys_getuid | 
|  | .long sys_getgid	/* 200 */ | 
|  | .long sys_geteuid | 
|  | .long sys_getegid | 
|  | .long sys_setreuid | 
|  | .long sys_setregid | 
|  | .long sys_getgroups	/* 205 */ | 
|  | .long sys_setgroups | 
|  | .long sys_fchown | 
|  | .long sys_setresuid | 
|  | .long sys_getresuid | 
|  | .long sys_setresgid	/* 210 */ | 
|  | .long sys_getresgid | 
|  | .long sys_lchown | 
|  | .long sys_setuid | 
|  | .long sys_setgid | 
|  | .long sys_setfsuid	/* 215 */ | 
|  | .long sys_setfsgid | 
|  | .long sys_pivot_root | 
|  | .long sys_ni_syscall | 
|  | .long sys_ni_syscall | 
|  | .long sys_getdents64	/* 220 */ | 
|  | .long sys_gettid | 
|  | .long sys_tkill | 
|  | .long sys_setxattr | 
|  | .long sys_lsetxattr | 
|  | .long sys_fsetxattr	/* 225 */ | 
|  | .long sys_getxattr | 
|  | .long sys_lgetxattr | 
|  | .long sys_fgetxattr | 
|  | .long sys_listxattr | 
|  | .long sys_llistxattr	/* 230 */ | 
|  | .long sys_flistxattr | 
|  | .long sys_removexattr | 
|  | .long sys_lremovexattr | 
|  | .long sys_fremovexattr | 
|  | .long sys_futex		/* 235 */ | 
|  | .long sys_sendfile64 | 
|  | .long sys_mincore | 
|  | .long sys_madvise | 
|  | .long sys_fcntl64 | 
|  | .long sys_readahead	/* 240 */ | 
|  | .long sys_io_setup | 
|  | .long sys_io_destroy | 
|  | .long sys_io_getevents | 
|  | .long sys_io_submit | 
|  | .long sys_io_cancel	/* 245 */ | 
|  | .long sys_fadvise64 | 
|  | .long sys_exit_group | 
|  | .long sys_lookup_dcookie | 
|  | .long sys_epoll_create | 
|  | .long sys_epoll_ctl	/* 250 */ | 
|  | .long sys_epoll_wait | 
|  | .long sys_remap_file_pages | 
|  | .long sys_set_tid_address | 
|  | .long sys_timer_create | 
|  | .long sys_timer_settime	/* 255 */ | 
|  | .long sys_timer_gettime | 
|  | .long sys_timer_getoverrun | 
|  | .long sys_timer_delete | 
|  | .long sys_clock_settime | 
|  | .long sys_clock_gettime	/* 260 */ | 
|  | .long sys_clock_getres | 
|  | .long sys_clock_nanosleep | 
|  | .long sys_statfs64 | 
|  | .long sys_fstatfs64 | 
|  | .long sys_tgkill	/* 265 */ | 
|  | .long sys_utimes | 
|  | .long sys_fadvise64_64 | 
|  | .long sys_mbind | 
|  | .long sys_get_mempolicy | 
|  | .long sys_set_mempolicy	/* 270 */ | 
|  | .long sys_mq_open | 
|  | .long sys_mq_unlink | 
|  | .long sys_mq_timedsend | 
|  | .long sys_mq_timedreceive | 
|  | .long sys_mq_notify	/* 275 */ | 
|  | .long sys_mq_getsetattr | 
|  | .long sys_waitid | 
|  | .long sys_ni_syscall	/* for sys_vserver */ | 
|  | .long sys_add_key | 
|  | .long sys_request_key	/* 280 */ | 
|  | .long sys_keyctl | 
|  | .long sys_ioprio_set | 
|  | .long sys_ioprio_get | 
|  | .long sys_inotify_init | 
|  | .long sys_inotify_add_watch	/* 285 */ | 
|  | .long sys_inotify_rm_watch | 
|  | .long sys_migrate_pages | 
|  | .long sys_openat | 
|  | .long sys_mkdirat | 
|  | .long sys_mknodat		/* 290 */ | 
|  | .long sys_fchownat | 
|  | .long sys_futimesat | 
|  | .long sys_fstatat64 | 
|  | .long sys_unlinkat | 
|  | .long sys_renameat		/* 295 */ | 
|  | .long sys_linkat | 
|  | .long sys_symlinkat | 
|  | .long sys_readlinkat | 
|  | .long sys_fchmodat | 
|  | .long sys_faccessat		/* 300 */ | 
|  | .long sys_ni_syscall		/* Reserved for pselect6 */ | 
|  | .long sys_ni_syscall		/* Reserved for ppoll */ | 
|  | .long sys_unshare | 
|  | .long sys_set_robust_list | 
|  | .long sys_get_robust_list	/* 305 */ | 
|  | .long sys_splice | 
|  | .long sys_sync_file_range | 
|  | .long sys_tee | 
|  | .long sys_vmsplice | 
|  | .long sys_move_pages		/* 310 */ | 
|  | .long sys_sched_setaffinity | 
|  | .long sys_sched_getaffinity | 
|  | .long sys_kexec_load | 
|  | .long sys_getcpu | 
|  | .long sys_epoll_pwait		/* 315 */ | 
|  | .long sys_utimensat | 
|  | .long sys_signalfd | 
|  | .long sys_timerfd_create | 
|  | .long sys_eventfd | 
|  | .long sys_fallocate		/* 320 */ | 
|  | .long sys_timerfd_settime | 
|  | .long sys_timerfd_gettime | 
|  | .long sys_signalfd4 | 
|  | .long sys_eventfd2 | 
|  | .long sys_epoll_create1		/* 325 */ | 
|  | .long sys_dup3 | 
|  | .long sys_pipe2 | 
|  | .long sys_inotify_init1 | 
|  | .long sys_preadv | 
|  | .long sys_pwritev		/* 330 */ | 
|  | .long sys_rt_tgsigqueueinfo | 
|  | .long sys_perf_event_open | 
|  | .long sys_get_thread_area | 
|  | .long sys_set_thread_area | 
|  | .long sys_atomic_cmpxchg_32	/* 335 */ | 
|  | .long sys_atomic_barrier | 
|  | .long sys_fanotify_init | 
|  | .long sys_fanotify_mark | 
|  | .long sys_prlimit64 | 
|  |  |