| /* |
| * Copyright (C) 2000-2003 Axis Communications AB |
| * |
| * Authors: Bjorn Wesen (bjornw@axis.com) |
| * Tobias Anderberg (tobiasa@axis.com), CRISv32 port. |
| * |
| * Code for the system-call and fault low-level handling routines. |
| * |
| * NOTE: This code handles signal-recognition, which happens every time |
| * after a timer-interrupt and after each system call. |
| * |
| * Stack layout in 'ret_from_system_call': |
| * ptrace needs to have all regs on the stack. |
| * if the order here is changed, it needs to be |
| * updated in fork.c:copy_process, signal.c:do_signal, |
| * ptrace.c and ptrace.h |
| * |
| */ |
| |
| #include <linux/linkage.h> |
| #include <linux/sys.h> |
| #include <asm/unistd.h> |
| #include <asm/errno.h> |
| #include <asm/thread_info.h> |
| #include <asm/asm-offsets.h> |
| |
| #include <hwregs/asm/reg_map_asm.h> |
| #include <hwregs/asm/intr_vect_defs_asm.h> |
| |
| ;; Exported functions. |
| .globl system_call |
| .globl ret_from_intr |
| .globl ret_from_fork |
| .globl resume |
| .globl multiple_interrupt |
| .globl nmi_interrupt |
| .globl spurious_interrupt |
| .globl do_sigtrap |
| .globl gdb_handle_exception |
| .globl sys_call_table |
| |
| ; Check if preemptive kernel scheduling should be done. |
| #ifdef CONFIG_PREEMPT |
| _resume_kernel: |
| di |
| ; Load current task struct. |
| movs.w -8192, $r0 ; THREAD_SIZE = 8192 |
| and.d $sp, $r0 |
| |
| addoq +TI_preempt_count, $r0, $acr |
| move.d [$acr], $r10 ; Preemption disabled? |
| bne _Rexit |
| nop |
| |
| _need_resched: |
| addoq +TI_flags, $r0, $acr |
| move.d [$acr], $r10 |
| btstq TIF_NEED_RESCHED, $r10 ; Check if need_resched is set. |
| bpl _Rexit |
| nop |
| |
| ; Do preemptive kernel scheduling. |
| jsr preempt_schedule_irq |
| nop |
| |
| ; Load new task struct. |
| movs.w -8192, $r0 ; THREAD_SIZE = 8192. |
| and.d $sp, $r0 |
| |
| ; One more time with new task. |
| ba _need_resched |
| nop |
| #else |
| #define _resume_kernel _Rexit |
| #endif |
| |
| ; Called at exit from fork. schedule_tail must be called to drop |
| ; spinlock if CONFIG_PREEMPT. |
| .type ret_from_fork,@function |
| ret_from_fork: |
| jsr schedule_tail |
| nop |
| ba ret_from_sys_call |
| nop |
| .size ret_from_fork, . - ret_from_fork |
| |
| .type ret_from_intr,@function |
| ret_from_intr: |
| ;; Check for resched if preemptive kernel, or if we're going back to |
| ;; user-mode. This test matches the user_regs(regs) macro. Don't simply |
| ;; test CCS since that doesn't necessarily reflect what mode we'll |
| ;; return into. |
| addoq +PT_ccs, $sp, $acr |
| move.d [$acr], $r0 |
| btstq 16, $r0 ; User-mode flag. |
| bpl _resume_kernel |
| .size ret_from_intr, . - ret_from_intr + 2 ; +2 includes the dslot. |
| |
| ; Note that di below is in delay slot. |
| .type _resume_userspace,@function |
| _resume_userspace: |
| di ; So need_resched and sigpending don't change. |
| |
| movs.w -8192, $r0 ; THREAD_SIZE == 8192 |
| and.d $sp, $r0 |
| |
| addoq +TI_flags, $r0, $acr ; current->work |
| move.d [$acr], $r10 |
| and.d _TIF_WORK_MASK, $r10 ; Work to be done on return? |
| bne _work_pending |
| nop |
| ba _Rexit |
| nop |
| .size _resume_userspace, . - _resume_userspace |
| |
| ;; The system_call is called by a BREAK instruction, which looks pretty |
| ;; much like any other exception. |
| ;; |
| ;; System calls can't be made from interrupts but we still stack ERP |
| ;; to have a complete stack frame. |
| ;; |
| ;; In r9 we have the wanted syscall number. Arguments come in r10,r11,r12, |
| ;; r13,mof,srp |
| ;; |
| ;; This function looks on the _surface_ like spaghetti programming, but it's |
| ;; really designed so that the fast-path does not force cache-loading of |
| ;; non-used instructions. Only the non-common cases cause the outlined code |
| ;; to run.. |
| |
| .type system_call,@function |
| system_call: |
| ;; Stack-frame similar to the irq heads, which is reversed in |
| ;; ret_from_sys_call. |
| |
| sub.d 92, $sp ; Skip EXS and EDA. |
| movem $r13, [$sp] |
| move.d $sp, $r8 |
| addq 14*4, $r8 |
| move.d $acr, $r0 |
| move $srs, $r1 |
| move $mof, $r2 |
| move $spc, $r3 |
| move $ccs, $r4 |
| move $srp, $r5 |
| move $erp, $r6 |
| subq 4, $sp |
| movem $r6, [$r8] |
| ei ; Enable interrupts while processing syscalls. |
| move.d $r10, [$sp] |
| |
| ; Set S-bit when kernel debugging to keep hardware breakpoints active. |
| #ifdef CONFIG_ETRAX_KGDB |
| move $ccs, $r0 |
| or.d (1<<9), $r0 |
| move $r0, $ccs |
| #endif |
| |
| movs.w -ENOSYS, $r0 |
| addoq +PT_r10, $sp, $acr |
| move.d $r0, [$acr] |
| |
| ;; Check if this process is syscall-traced. |
| movs.w -8192, $r0 ; THREAD_SIZE == 8192 |
| and.d $sp, $r0 |
| |
| addoq +TI_flags, $r0, $acr |
| move.d [$acr], $r0 |
| btstq TIF_SYSCALL_TRACE, $r0 |
| bmi _syscall_trace_entry |
| nop |
| |
| _syscall_traced: |
| ;; Check for sanity in the requested syscall number. |
| cmpu.w NR_syscalls, $r9 |
| bhs ret_from_sys_call |
| lslq 2, $r9 ; Multiply by 4, in the delay slot. |
| |
| ;; The location on the stack for the register structure is passed as a |
| ;; seventh argument. Some system calls need this. |
| move.d $sp, $r0 |
| subq 4, $sp |
| move.d $r0, [$sp] |
| |
| ;; The registers carrying parameters (R10-R13) are intact. The optional |
| ;; fifth and sixth parameters is in MOF and SRP respectively. Put them |
| ;; back on the stack. |
| subq 4, $sp |
| move $srp, [$sp] |
| subq 4, $sp |
| move $mof, [$sp] |
| |
| ;; Actually to the system call. |
| addo.d +sys_call_table, $r9, $acr |
| move.d [$acr], $acr |
| jsr $acr |
| nop |
| |
| addq 3*4, $sp ; Pop the mof, srp and regs parameters. |
| addoq +PT_r10, $sp, $acr |
| move.d $r10, [$acr] ; Save the return value. |
| |
| moveq 1, $r9 ; "Parameter" to ret_from_sys_call to |
| ; show it was a sys call. |
| |
| ;; Fall through into ret_from_sys_call to return. |
| |
| ret_from_sys_call: |
| ;; R9 is a parameter: |
| ;; >= 1 from syscall |
| ;; 0 from irq |
| |
| ;; Get the current task-struct pointer. |
| movs.w -8192, $r0 ; THREAD_SIZE == 8192 |
| and.d $sp, $r0 |
| |
| di ; Make sure need_resched and sigpending don't change. |
| |
| addoq +TI_flags, $r0, $acr |
| move.d [$acr], $r1 |
| and.d _TIF_ALLWORK_MASK, $r1 |
| bne _syscall_exit_work |
| nop |
| .size system_call, . - system_call |
| |
| .type _Rexit,@function |
| _Rexit: |
| ;; This epilogue MUST match the prologues in multiple_interrupt, irq.h |
| ;; and ptregs.h. |
| addq 4, $sp ; Skip orig_r10. |
| movem [$sp+], $r13 ; Registers R0-R13. |
| move.d [$sp+], $acr |
| move [$sp], $srs |
| addq 4, $sp |
| move [$sp+], $mof |
| move [$sp+], $spc |
| move [$sp+], $ccs |
| move [$sp+], $srp |
| move [$sp+], $erp |
| addq 8, $sp ; Skip EXS, EDA. |
| jump $erp |
| rfe ; Restore condition code stack in delay-slot. |
| .size _Rexit, . - _Rexit |
| |
| ;; We get here after doing a syscall if extra work might need to be done |
| ;; perform syscall exit tracing if needed. |
| |
| .type _syscall_exit_work,@function |
| _syscall_exit_work: |
| ;; R0 contains current at this point and irq's are disabled. |
| |
| addoq +TI_flags, $r0, $acr |
| move.d [$acr], $r1 |
| btstq TIF_SYSCALL_TRACE, $r1 |
| bpl _work_pending |
| nop |
| ei |
| move.d $r9, $r1 ; Preserve R9. |
| jsr do_syscall_trace |
| nop |
| move.d $r1, $r9 |
| ba _resume_userspace |
| nop |
| .size _syscall_exit_work, . - _syscall_exit_work |
| |
| .type _work_pending,@function |
| _work_pending: |
| addoq +TI_flags, $r0, $acr |
| move.d [$acr], $r10 |
| btstq TIF_NEED_RESCHED, $r10 ; Need resched? |
| bpl _work_notifysig ; No, must be signal/notify. |
| nop |
| .size _work_pending, . - _work_pending |
| |
| .type _work_resched,@function |
| _work_resched: |
| move.d $r9, $r1 ; Preserve R9. |
| jsr schedule |
| nop |
| move.d $r1, $r9 |
| di |
| |
| addoq +TI_flags, $r0, $acr |
| move.d [$acr], $r1 |
| and.d _TIF_WORK_MASK, $r1 ; Ignore sycall trace counter. |
| beq _Rexit |
| nop |
| btstq TIF_NEED_RESCHED, $r1 |
| bmi _work_resched ; current->work.need_resched. |
| nop |
| .size _work_resched, . - _work_resched |
| |
| .type _work_notifysig,@function |
| _work_notifysig: |
| ;; Deal with pending signals and notify-resume requests. |
| |
| addoq +TI_flags, $r0, $acr |
| move.d [$acr], $r12 ; The thread_info_flags parameter. |
| move.d $sp, $r11 ; The regs param. |
| jsr do_notify_resume |
| move.d $r9, $r10 ; do_notify_resume syscall/irq param. |
| |
| ba _Rexit |
| nop |
| .size _work_notifysig, . - _work_notifysig |
| |
| ;; We get here as a sidetrack when we've entered a syscall with the |
| ;; trace-bit set. We need to call do_syscall_trace and then continue |
| ;; with the call. |
| |
| _syscall_trace_entry: |
| ;; PT_r10 in the frame contains -ENOSYS as required, at this point. |
| |
| jsr do_syscall_trace |
| nop |
| |
| ;; Now re-enter the syscall code to do the syscall itself. We need to |
| ;; restore R9 here to contain the wanted syscall, and the other |
| ;; parameter-bearing registers. |
| addoq +PT_r9, $sp, $acr |
| move.d [$acr], $r9 |
| addoq +PT_orig_r10, $sp, $acr |
| move.d [$acr], $r10 ; PT_r10 is already -ENOSYS. |
| addoq +PT_r11, $sp, $acr |
| move.d [$acr], $r11 |
| addoq +PT_r12, $sp, $acr |
| move.d [$acr], $r12 |
| addoq +PT_r13, $sp, $acr |
| move.d [$acr], $r13 |
| addoq +PT_mof, $sp, $acr |
| move [$acr], $mof |
| addoq +PT_srp, $sp, $acr |
| move [$acr], $srp |
| |
| ba _syscall_traced |
| nop |
| |
| ;; Resume performs the actual task-switching, by switching stack |
| ;; pointers. Input arguments are: |
| ;; |
| ;; R10 = prev |
| ;; R11 = next |
| ;; R12 = thread offset in task struct. |
| ;; |
| ;; Returns old current in R10. |
| |
| .type resume,@function |
| resume: |
| subq 4, $sp ; Make space for srp. |
| |
| add.d $r12, $r10 ; R10 = current tasks tss. |
| addoq +THREAD_ccs, $r10, $acr |
| move $srp, [$sp] ; Keep old/new PC on the stack. |
| move $ccs, [$acr] ; Save IRQ enable state. |
| di |
| |
| addoq +THREAD_usp, $r10, $acr |
| subq 10*4, $sp ; Make room for R9. |
| move $usp, [$acr] ; Save user-mode stackpointer. |
| |
| ;; See copy_thread for the reason why register R9 is saved. |
| movem $r9, [$sp] ; Save non-scratch registers and R9. |
| |
| addoq +THREAD_ksp, $r10, $acr |
| move.d $sp, $r10 ; Return last running task in R10. |
| move.d $sp, [$acr] ; Save kernel SP for old task. |
| |
| and.d -8192, $r10 ; Get thread_info from stackpointer. |
| addoq +TI_task, $r10, $acr |
| add.d $r12, $r11 ; Find the new tasks tss. |
| move.d [$acr], $r10 ; Get task. |
| addoq +THREAD_ksp, $r11, $acr |
| move.d [$acr], $sp ; Switch to new stackframe. |
| addoq +THREAD_usp, $r11, $acr |
| movem [$sp+], $r9 ; Restore non-scratch registers and R9. |
| |
| move [$acr], $usp ; Restore user-mode stackpointer. |
| |
| addoq +THREAD_ccs, $r11, $acr |
| move.d [$sp+], $r11 |
| jump $r11 ; Restore PC. |
| move [$acr], $ccs ; Restore IRQ enable status. |
| .size resume, . - resume |
| |
| nmi_interrupt: |
| |
| ;; If we receive a watchdog interrupt while it is not expected, then set |
| ;; up a canonical frame and dump register contents before dying. |
| |
| ;; This prologue MUST match the one in irq.h and the struct in ptregs.h! |
| subq 12, $sp ; Skip EXS, EDA. |
| move $nrp, [$sp] |
| subq 4, $sp |
| move $srp, [$sp] |
| subq 4, $sp |
| move $ccs, [$sp] |
| subq 4, $sp |
| move $spc, [$sp] |
| subq 4, $sp |
| move $mof, [$sp] |
| subq 4, $sp |
| move $srs, [$sp] |
| subq 4, $sp |
| move.d $acr, [$sp] |
| subq 14*4, $sp ; Make room for R0-R13. |
| movem $r13, [$sp] ; Push R0-R13. |
| subq 4, $sp |
| move.d $r10, [$sp] ; Push orig_r10. |
| move.d REG_ADDR(intr_vect, regi_irq, r_nmi), $r0 |
| move.d [$r0], $r0 |
| btstq REG_BIT(intr_vect, r_nmi, watchdog), $r0 |
| bpl 1f |
| nop |
| jsr handle_watchdog_bite ; In time.c. |
| move.d $sp, $r10 ; Pointer to registers |
| 1: btstq REG_BIT(intr_vect, r_nmi, ext), $r0 |
| bpl 1f |
| nop |
| jsr handle_nmi |
| move.d $sp, $r10 ; Pointer to registers |
| 1: addq 4, $sp ; Skip orig_r10 |
| movem [$sp+], $r13 |
| move.d [$sp+], $acr |
| move [$sp], $srs |
| addq 4, $sp |
| move [$sp+], $mof |
| move [$sp+], $spc |
| move [$sp+], $ccs |
| move [$sp+], $srp |
| move [$sp+], $nrp |
| addq 8, $sp ; Skip EXS, EDA. |
| jump $nrp |
| rfn |
| |
| .comm cause_of_death, 4 ;; Don't declare this anywhere. |
| |
| spurious_interrupt: |
| di |
| jump hard_reset_now |
| nop |
| |
| ;; This handles the case when multiple interrupts arrive at the same |
| ;; time. Jump to the first set interrupt bit in a priotiry fashion. The |
| ;; hardware will call the unserved interrupts after the handler |
| ;; finishes. |
| .type multiple_interrupt, @function |
| multiple_interrupt: |
| ;; This prologue MUST match the one in irq.h and the struct in ptregs.h! |
| subq 12, $sp ; Skip EXS, EDA. |
| move $erp, [$sp] |
| subq 4, $sp |
| move $srp, [$sp] |
| subq 4, $sp |
| move $ccs, [$sp] |
| subq 4, $sp |
| move $spc, [$sp] |
| subq 4, $sp |
| move $mof, [$sp] |
| subq 4, $sp |
| move $srs, [$sp] |
| subq 4, $sp |
| move.d $acr, [$sp] |
| subq 14*4, $sp ; Make room for R0-R13. |
| movem $r13, [$sp] ; Push R0-R13. |
| subq 4, $sp |
| move.d $r10, [$sp] ; Push orig_r10. |
| |
| ; Set S-bit when kernel debugging to keep hardware breakpoints active. |
| #ifdef CONFIG_ETRAX_KGDB |
| move $ccs, $r0 |
| or.d (1<<9), $r0 |
| move $r0, $ccs |
| #endif |
| |
| jsr crisv32_do_multiple |
| move.d $sp, $r10 |
| jump ret_from_intr |
| nop |
| .size multiple_interrupt, . - multiple_interrupt |
| |
| do_sigtrap: |
| ;; Sigtraps the process that executed the BREAK instruction. Creates a |
| ;; frame that Rexit expects. |
| subq 4, $sp |
| move $eda, [$sp] |
| subq 4, $sp |
| move $exs, [$sp] |
| subq 4, $sp |
| move $erp, [$sp] |
| subq 4, $sp |
| move $srp, [$sp] |
| subq 4, $sp |
| move $ccs, [$sp] |
| subq 4, $sp |
| move $spc, [$sp] |
| subq 4, $sp |
| move $mof, [$sp] |
| subq 4, $sp |
| move $srs, [$sp] |
| subq 4, $sp |
| move.d $acr, [$sp] |
| di ; Need to disable irq's at this point. |
| subq 14*4, $sp ; Make room for r0-r13. |
| movem $r13, [$sp] ; Push the r0-r13 registers. |
| subq 4, $sp |
| move.d $r10, [$sp] ; Push orig_r10. |
| |
| movs.w -8192, $r9 ; THREAD_SIZE == 8192 |
| and.d $sp, $r9 |
| |
| ;; thread_info as first parameter |
| move.d $r9, $r10 |
| moveq 5, $r11 ; SIGTRAP as second argument. |
| jsr ugdb_trap_user |
| nop |
| jump ret_from_intr ; Use the return routine for interrupts. |
| nop |
| |
| gdb_handle_exception: |
| subq 4, $sp |
| move.d $r0, [$sp] |
| #ifdef CONFIG_ETRAX_KGDB |
| move $ccs, $r0 ; U-flag not affected by previous insns. |
| btstq 16, $r0 ; Test the U-flag. |
| bmi _ugdb_handle_exception ; Go to user mode debugging. |
| nop ; Empty delay-slot (cannot pop R0 here). |
| ba kgdb_handle_exception ; Go to kernel debugging. |
| move.d [$sp+], $r0 ; Restore R0 in delay slot. |
| #endif |
| |
| _ugdb_handle_exception: |
| ba do_sigtrap ; SIGTRAP the offending process. |
| move.d [$sp+], $r0 ; Restore R0 in delay slot. |
| |
| .global kernel_execve |
| .type kernel_execve,@function |
| kernel_execve: |
| move.d __NR_execve, $r9 |
| break 13 |
| ret |
| nop |
| .size kernel_execve, . - kernel_execve |
| |
| .data |
| |
| .section .rodata,"a" |
| 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_lchown16 |
| .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 /* old sys_olduname holder */ |
| .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_select /* was old_select in Linux/E100 */ |
| .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 /* sys_ioperm in 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 /* old sys_uname holder */ |
| .long sys_ni_syscall /* sys_iopl in i386 */ |
| .long sys_vhangup |
| .long sys_ni_syscall /* old "idle" system call */ |
| .long sys_ni_syscall /* vm86old in 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_ni_syscall /* sys_modify_ldt */ |
| .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_ni_syscall /* sys_vm86 */ |
| .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_chown16 |
| .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_lchown |
| .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_chown |
| .long sys_setuid |
| .long sys_setgid |
| .long sys_setfsuid /* 215 */ |
| .long sys_setfsgid |
| .long sys_pivot_root |
| .long sys_mincore |
| .long sys_madvise |
| .long sys_getdents64 /* 220 */ |
| .long sys_fcntl64 |
| .long sys_ni_syscall /* reserved for TUX */ |
| .long sys_ni_syscall |
| .long sys_gettid |
| .long sys_readahead /* 225 */ |
| .long sys_setxattr |
| .long sys_lsetxattr |
| .long sys_fsetxattr |
| .long sys_getxattr |
| .long sys_lgetxattr /* 230 */ |
| .long sys_fgetxattr |
| .long sys_listxattr |
| .long sys_llistxattr |
| .long sys_flistxattr |
| .long sys_removexattr /* 235 */ |
| .long sys_lremovexattr |
| .long sys_fremovexattr |
| .long sys_tkill |
| .long sys_sendfile64 |
| .long sys_futex /* 240 */ |
| .long sys_sched_setaffinity |
| .long sys_sched_getaffinity |
| .long sys_ni_syscall /* sys_set_thread_area */ |
| .long sys_ni_syscall /* sys_get_thread_area */ |
| .long sys_io_setup /* 245 */ |
| .long sys_io_destroy |
| .long sys_io_getevents |
| .long sys_io_submit |
| .long sys_io_cancel |
| .long sys_fadvise64 /* 250 */ |
| .long sys_ni_syscall |
| .long sys_exit_group |
| .long sys_lookup_dcookie |
| .long sys_epoll_create |
| .long sys_epoll_ctl /* 255 */ |
| .long sys_epoll_wait |
| .long sys_remap_file_pages |
| .long sys_set_tid_address |
| .long sys_timer_create |
| .long sys_timer_settime /* 260 */ |
| .long sys_timer_gettime |
| .long sys_timer_getoverrun |
| .long sys_timer_delete |
| .long sys_clock_settime |
| .long sys_clock_gettime /* 265 */ |
| .long sys_clock_getres |
| .long sys_clock_nanosleep |
| .long sys_statfs64 |
| .long sys_fstatfs64 |
| .long sys_tgkill /* 270 */ |
| .long sys_utimes |
| .long sys_fadvise64_64 |
| .long sys_ni_syscall /* sys_vserver */ |
| .long sys_ni_syscall /* sys_mbind */ |
| .long sys_ni_syscall /* 275 sys_get_mempolicy */ |
| .long sys_ni_syscall /* sys_set_mempolicy */ |
| .long sys_mq_open |
| .long sys_mq_unlink |
| .long sys_mq_timedsend |
| .long sys_mq_timedreceive /* 280 */ |
| .long sys_mq_notify |
| .long sys_mq_getsetattr |
| .long sys_ni_syscall /* reserved for kexec */ |
| .long sys_waitid |
| .long sys_ni_syscall /* 285 */ /* available */ |
| .long sys_add_key |
| .long sys_request_key |
| .long sys_keyctl |
| .long sys_ioprio_set |
| .long sys_ioprio_get /* 290 */ |
| .long sys_inotify_init |
| .long sys_inotify_add_watch |
| .long sys_inotify_rm_watch |
| .long sys_migrate_pages |
| .long sys_openat /* 295 */ |
| .long sys_mkdirat |
| .long sys_mknodat |
| .long sys_fchownat |
| .long sys_futimesat |
| .long sys_fstatat64 /* 300 */ |
| .long sys_unlinkat |
| .long sys_renameat |
| .long sys_linkat |
| .long sys_symlinkat |
| .long sys_readlinkat /* 305 */ |
| .long sys_fchmodat |
| .long sys_faccessat |
| .long sys_pselect6 |
| .long sys_ppoll |
| .long sys_unshare /* 310 */ |
| .long sys_set_robust_list |
| .long sys_get_robust_list |
| .long sys_splice |
| .long sys_sync_file_range |
| .long sys_tee /* 315 */ |
| .long sys_vmsplice |
| .long sys_move_pages |
| .long sys_getcpu |
| .long sys_epoll_pwait |
| .long sys_utimensat /* 320 */ |
| .long sys_signalfd |
| .long sys_timerfd_create |
| .long sys_eventfd |
| .long sys_fallocate |
| .long sys_timerfd_settime /* 325 */ |
| .long sys_timerfd_gettime |
| .long sys_signalfd4 |
| .long sys_eventfd2 |
| .long sys_epoll_create1 |
| .long sys_dup3 /* 330 */ |
| .long sys_pipe2 |
| .long sys_inotify_init1 |
| .long sys_preadv |
| .long sys_pwritev |
| .long sys_setns /* 335 */ |
| |
| /* |
| * NOTE!! This doesn't have to be exact - we just have |
| * to make sure we have _enough_ of the "sys_ni_syscall" |
| * entries. Don't panic if you notice that this hasn't |
| * been shrunk every time we add a new system call. |
| */ |
| |
| .rept NR_syscalls - (.-sys_call_table) / 4 |
| .long sys_ni_syscall |
| .endr |
| |
