11da177e4SLinus Torvalds/* 21da177e4SLinus Torvalds * This file is subject to the terms and conditions of the GNU General Public 31da177e4SLinus Torvalds * License. See the file "COPYING" in the main directory of this archive 41da177e4SLinus Torvalds * for more details. 51da177e4SLinus Torvalds * 6192ef366SRalf Baechle * Copyright (C) 1995-99, 2000- 02, 06 Ralf Baechle <ralf@linux-mips.org> 71da177e4SLinus Torvalds * Copyright (C) 2001 MIPS Technologies, Inc. 81da177e4SLinus Torvalds * Copyright (C) 2004 Thiemo Seufer 986bdb277SMarkos Chandras * Copyright (C) 2014 Imagination Technologies Ltd. 101da177e4SLinus Torvalds */ 111da177e4SLinus Torvalds#include <linux/errno.h> 121da177e4SLinus Torvalds#include <asm/asm.h> 131da177e4SLinus Torvalds#include <asm/asmmacro.h> 14192ef366SRalf Baechle#include <asm/irqflags.h> 151da177e4SLinus Torvalds#include <asm/mipsregs.h> 161da177e4SLinus Torvalds#include <asm/regdef.h> 171da177e4SLinus Torvalds#include <asm/stackframe.h> 181da177e4SLinus Torvalds#include <asm/isadep.h> 191da177e4SLinus Torvalds#include <asm/sysmips.h> 201da177e4SLinus Torvalds#include <asm/thread_info.h> 211da177e4SLinus Torvalds#include <asm/unistd.h> 221da177e4SLinus Torvalds#include <asm/war.h> 23048eb582SSam Ravnborg#include <asm/asm-offsets.h> 241da177e4SLinus Torvalds 251da177e4SLinus Torvalds/* Highest syscall used of any syscall flavour */ 261da177e4SLinus Torvalds#define MAX_SYSCALL_NO __NR_O32_Linux + __NR_O32_Linux_syscalls 271da177e4SLinus Torvalds 281da177e4SLinus Torvalds .align 5 291da177e4SLinus TorvaldsNESTED(handle_sys, PT_SIZE, sp) 301da177e4SLinus Torvalds .set noat 311da177e4SLinus Torvalds SAVE_SOME 32eae6c0daSAtsushi Nemoto TRACE_IRQS_ON_RELOAD 331da177e4SLinus Torvalds STI 341da177e4SLinus Torvalds .set at 351da177e4SLinus Torvalds 361da177e4SLinus Torvalds lw t1, PT_EPC(sp) # skip syscall on return 371da177e4SLinus Torvalds 381da177e4SLinus Torvalds subu v0, v0, __NR_O32_Linux # check syscall number 391da177e4SLinus Torvalds sltiu t0, v0, __NR_O32_Linux_syscalls + 1 401da177e4SLinus Torvalds addiu t1, 4 # skip to next instruction 411da177e4SLinus Torvalds sw t1, PT_EPC(sp) 421da177e4SLinus Torvalds beqz t0, illegal_syscall 431da177e4SLinus Torvalds 4446e12c07SRalf Baechle sll t0, v0, 2 451da177e4SLinus Torvalds la t1, sys_call_table 461da177e4SLinus Torvalds addu t1, t0 471da177e4SLinus Torvalds lw t2, (t1) # syscall routine 481da177e4SLinus Torvalds beqz t2, illegal_syscall 491da177e4SLinus Torvalds 501da177e4SLinus Torvalds sw a3, PT_R26(sp) # save a3 for syscall restarting 511da177e4SLinus Torvalds 5246e12c07SRalf Baechle /* 5346e12c07SRalf Baechle * More than four arguments. Try to deal with it by copying the 5446e12c07SRalf Baechle * stack arguments from the user stack to the kernel stack. 5546e12c07SRalf Baechle * This Sucks (TM). 5646e12c07SRalf Baechle */ 5746e12c07SRalf Baechle lw t0, PT_R29(sp) # get old user stack pointer 5846e12c07SRalf Baechle 5946e12c07SRalf Baechle /* 6046e12c07SRalf Baechle * We intentionally keep the kernel stack a little below the top of 6146e12c07SRalf Baechle * userspace so we don't have to do a slower byte accurate check here. 6246e12c07SRalf Baechle */ 6346e12c07SRalf Baechle lw t5, TI_ADDR_LIMIT($28) 6446e12c07SRalf Baechle addu t4, t0, 32 6546e12c07SRalf Baechle and t5, t4 6646e12c07SRalf Baechle bltz t5, bad_stack # -> sp is bad 6746e12c07SRalf Baechle 6846e12c07SRalf Baechle /* 6946e12c07SRalf Baechle * Ok, copy the args from the luser stack to the kernel stack. 7046e12c07SRalf Baechle */ 7146e12c07SRalf Baechle 7246e12c07SRalf Baechle .set push 7346e12c07SRalf Baechle .set noreorder 7446e12c07SRalf Baechle .set nomacro 7546e12c07SRalf Baechle 76*7928eb03SRalf Baechleload_a4: user_lw(t5, 16(t0)) # argument #5 from usp 77*7928eb03SRalf Baechleload_a5: user_lw(t6, 20(t0)) # argument #6 from usp 78*7928eb03SRalf Baechleload_a6: user_lw(t7, 24(t0)) # argument #7 from usp 79*7928eb03SRalf Baechleload_a7: user_lw(t8, 28(t0)) # argument #8 from usp 80*7928eb03SRalf Baechleloads_done: 8146e12c07SRalf Baechle 8246e12c07SRalf Baechle sw t5, 16(sp) # argument #5 to ksp 8346e12c07SRalf Baechle sw t6, 20(sp) # argument #6 to ksp 8446e12c07SRalf Baechle sw t7, 24(sp) # argument #7 to ksp 8546e12c07SRalf Baechle sw t8, 28(sp) # argument #8 to ksp 8646e12c07SRalf Baechle .set pop 8746e12c07SRalf Baechle 8846e12c07SRalf Baechle .section __ex_table,"a" 89*7928eb03SRalf Baechle PTR load_a4, bad_stack_a4 90*7928eb03SRalf Baechle PTR load_a5, bad_stack_a5 91*7928eb03SRalf Baechle PTR load_a6, bad_stack_a6 92*7928eb03SRalf Baechle PTR load_a7, bad_stack_a7 9346e12c07SRalf Baechle .previous 9446e12c07SRalf Baechle 951da177e4SLinus Torvalds lw t0, TI_FLAGS($28) # syscall tracing enabled? 96e7f3b48aSRalf Baechle li t1, _TIF_WORK_SYSCALL_ENTRY 971da177e4SLinus Torvalds and t0, t1 981da177e4SLinus Torvalds bnez t0, syscall_trace_entry # -> yes 991da177e4SLinus Torvalds 1001da177e4SLinus Torvalds jalr t2 # Do The Real Thing (TM) 1011da177e4SLinus Torvalds 1021da177e4SLinus Torvalds li t0, -EMAXERRNO - 1 # error? 1031da177e4SLinus Torvalds sltu t0, t0, v0 1041da177e4SLinus Torvalds sw t0, PT_R7(sp) # set error flag 1051da177e4SLinus Torvalds beqz t0, 1f 1061da177e4SLinus Torvalds 1078f5a00ebSAl Viro lw t1, PT_R2(sp) # syscall number 1081da177e4SLinus Torvalds negu v0 # error 1098f5a00ebSAl Viro sw t1, PT_R0(sp) # save it for syscall restarting 1101da177e4SLinus Torvalds1: sw v0, PT_R2(sp) # result 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvaldso32_syscall_exit: 11302f884edSAl Viro j syscall_exit_partial 1141da177e4SLinus Torvalds 1151da177e4SLinus Torvalds/* ------------------------------------------------------------------------ */ 1161da177e4SLinus Torvalds 1171da177e4SLinus Torvaldssyscall_trace_entry: 1181da177e4SLinus Torvalds SAVE_STATIC 1191da177e4SLinus Torvalds move s0, t2 1201da177e4SLinus Torvalds move a0, sp 1214c21b8fdSMarkos Chandras 1224c21b8fdSMarkos Chandras /* 1234c21b8fdSMarkos Chandras * syscall number is in v0 unless we called syscall(__NR_###) 1244c21b8fdSMarkos Chandras * where the real syscall number is in a0 1254c21b8fdSMarkos Chandras */ 1264c21b8fdSMarkos Chandras addiu a1, v0, __NR_O32_Linux 1274c21b8fdSMarkos Chandras bnez v0, 1f /* __NR_syscall at offset 0 */ 1284c21b8fdSMarkos Chandras lw a1, PT_R4(sp) 1294c21b8fdSMarkos Chandras 1304c21b8fdSMarkos Chandras1: jal syscall_trace_enter 1311da177e4SLinus Torvalds 1329d37c405SMarkos Chandras bltz v0, 2f # seccomp failed? Skip syscall 1339d37c405SMarkos Chandras 13404a7052cSRalf Baechle move t0, s0 13504a7052cSRalf Baechle RESTORE_STATIC 1361da177e4SLinus Torvalds lw a0, PT_R4(sp) # Restore argument registers 1371da177e4SLinus Torvalds lw a1, PT_R5(sp) 1381da177e4SLinus Torvalds lw a2, PT_R6(sp) 1391da177e4SLinus Torvalds lw a3, PT_R7(sp) 14004a7052cSRalf Baechle jalr t0 1411da177e4SLinus Torvalds 1421da177e4SLinus Torvalds li t0, -EMAXERRNO - 1 # error? 1431da177e4SLinus Torvalds sltu t0, t0, v0 1441da177e4SLinus Torvalds sw t0, PT_R7(sp) # set error flag 1451da177e4SLinus Torvalds beqz t0, 1f 1461da177e4SLinus Torvalds 1478f5a00ebSAl Viro lw t1, PT_R2(sp) # syscall number 1481da177e4SLinus Torvalds negu v0 # error 1498f5a00ebSAl Viro sw t1, PT_R0(sp) # save it for syscall restarting 1501da177e4SLinus Torvalds1: sw v0, PT_R2(sp) # result 1511da177e4SLinus Torvalds 1529d37c405SMarkos Chandras2: j syscall_exit 1531da177e4SLinus Torvalds 1541da177e4SLinus Torvalds/* ------------------------------------------------------------------------ */ 1551da177e4SLinus Torvalds 1561da177e4SLinus Torvalds /* 157*7928eb03SRalf Baechle * Our open-coded access area sanity test for the stack pointer 158*7928eb03SRalf Baechle * failed. We probably should handle this case a bit more drastic. 1591da177e4SLinus Torvalds */ 1601da177e4SLinus Torvaldsbad_stack: 1615b89c004SAl Viro li v0, EFAULT 1621da177e4SLinus Torvalds sw v0, PT_R2(sp) 1631da177e4SLinus Torvalds li t0, 1 # set error flag 1641da177e4SLinus Torvalds sw t0, PT_R7(sp) 1651da177e4SLinus Torvalds j o32_syscall_exit 1661da177e4SLinus Torvalds 167*7928eb03SRalf Baechlebad_stack_a4: 168*7928eb03SRalf Baechle li t5, 0 169*7928eb03SRalf Baechle b load_a5 170*7928eb03SRalf Baechle 171*7928eb03SRalf Baechlebad_stack_a5: 172*7928eb03SRalf Baechle li t6, 0 173*7928eb03SRalf Baechle b load_a6 174*7928eb03SRalf Baechle 175*7928eb03SRalf Baechlebad_stack_a6: 176*7928eb03SRalf Baechle li t7, 0 177*7928eb03SRalf Baechle b load_a7 178*7928eb03SRalf Baechle 179*7928eb03SRalf Baechlebad_stack_a7: 180*7928eb03SRalf Baechle li t8, 0 181*7928eb03SRalf Baechle b loads_done 182*7928eb03SRalf Baechle 1831da177e4SLinus Torvalds /* 1841da177e4SLinus Torvalds * The system call does not exist in this kernel 1851da177e4SLinus Torvalds */ 1861da177e4SLinus Torvaldsillegal_syscall: 187bda8229bSAtsushi Nemoto li v0, ENOSYS # error 1881da177e4SLinus Torvalds sw v0, PT_R2(sp) 1891da177e4SLinus Torvalds li t0, 1 # set error flag 1901da177e4SLinus Torvalds sw t0, PT_R7(sp) 1911da177e4SLinus Torvalds j o32_syscall_exit 1921da177e4SLinus Torvalds END(handle_sys) 1931da177e4SLinus Torvalds 1941da177e4SLinus Torvalds LEAF(sys_syscall) 1951da177e4SLinus Torvalds subu t0, a0, __NR_O32_Linux # check syscall number 1961da177e4SLinus Torvalds sltiu v0, t0, __NR_O32_Linux_syscalls + 1 197e807f957SVlad Malov beqz t0, einval # do not recurse 19846e12c07SRalf Baechle sll t1, t0, 2 1991da177e4SLinus Torvalds beqz v0, einval 2001da177e4SLinus Torvalds lw t2, sys_call_table(t1) # syscall routine 201e967ef02SEd Swierk sw a0, PT_R2(sp) # call routine directly on restart 2021da177e4SLinus Torvalds 2031da177e4SLinus Torvalds /* Some syscalls like execve get their arguments from struct pt_regs 2041da177e4SLinus Torvalds and claim zero arguments in the syscall table. Thus we have to 2051da177e4SLinus Torvalds assume the worst case and shuffle around all potential arguments. 2061da177e4SLinus Torvalds If you want performance, don't use indirect syscalls. */ 2071da177e4SLinus Torvalds 2081da177e4SLinus Torvalds move a0, a1 # shift argument registers 2091da177e4SLinus Torvalds move a1, a2 2101da177e4SLinus Torvalds move a2, a3 2111da177e4SLinus Torvalds lw a3, 16(sp) 2121da177e4SLinus Torvalds lw t4, 20(sp) 2131da177e4SLinus Torvalds lw t5, 24(sp) 2141da177e4SLinus Torvalds lw t6, 28(sp) 2151da177e4SLinus Torvalds sw t4, 16(sp) 2161da177e4SLinus Torvalds sw t5, 20(sp) 2171da177e4SLinus Torvalds sw t6, 24(sp) 2181da177e4SLinus Torvalds sw a0, PT_R4(sp) # .. and push back a0 - a3, some 2191da177e4SLinus Torvalds sw a1, PT_R5(sp) # syscalls expect them there 2201da177e4SLinus Torvalds sw a2, PT_R6(sp) 2211da177e4SLinus Torvalds sw a3, PT_R7(sp) 2221da177e4SLinus Torvalds sw a3, PT_R26(sp) # update a3 for syscall restarting 2231da177e4SLinus Torvalds jr t2 2241da177e4SLinus Torvalds /* Unreached */ 2251da177e4SLinus Torvalds 226fb498e25SAtsushi Nemotoeinval: li v0, -ENOSYS 2271da177e4SLinus Torvalds jr ra 2281da177e4SLinus Torvalds END(sys_syscall) 2291da177e4SLinus Torvalds 23046e12c07SRalf Baechle .align 2 23146e12c07SRalf Baechle .type sys_call_table, @object 23246e12c07SRalf BaechleEXPORT(sys_call_table) 23346e12c07SRalf Baechle PTR sys_syscall /* 4000 */ 23446e12c07SRalf Baechle PTR sys_exit 23546e12c07SRalf Baechle PTR __sys_fork 23646e12c07SRalf Baechle PTR sys_read 23746e12c07SRalf Baechle PTR sys_write 23846e12c07SRalf Baechle PTR sys_open /* 4005 */ 23946e12c07SRalf Baechle PTR sys_close 24046e12c07SRalf Baechle PTR sys_waitpid 24146e12c07SRalf Baechle PTR sys_creat 24246e12c07SRalf Baechle PTR sys_link 24346e12c07SRalf Baechle PTR sys_unlink /* 4010 */ 24446e12c07SRalf Baechle PTR sys_execve 24546e12c07SRalf Baechle PTR sys_chdir 24646e12c07SRalf Baechle PTR sys_time 24746e12c07SRalf Baechle PTR sys_mknod 24846e12c07SRalf Baechle PTR sys_chmod /* 4015 */ 24946e12c07SRalf Baechle PTR sys_lchown 25046e12c07SRalf Baechle PTR sys_ni_syscall 25146e12c07SRalf Baechle PTR sys_ni_syscall /* was sys_stat */ 25246e12c07SRalf Baechle PTR sys_lseek 25346e12c07SRalf Baechle PTR sys_getpid /* 4020 */ 25446e12c07SRalf Baechle PTR sys_mount 25546e12c07SRalf Baechle PTR sys_oldumount 25646e12c07SRalf Baechle PTR sys_setuid 25746e12c07SRalf Baechle PTR sys_getuid 25846e12c07SRalf Baechle PTR sys_stime /* 4025 */ 25946e12c07SRalf Baechle PTR sys_ptrace 26046e12c07SRalf Baechle PTR sys_alarm 26146e12c07SRalf Baechle PTR sys_ni_syscall /* was sys_fstat */ 26246e12c07SRalf Baechle PTR sys_pause 26346e12c07SRalf Baechle PTR sys_utime /* 4030 */ 26446e12c07SRalf Baechle PTR sys_ni_syscall 26546e12c07SRalf Baechle PTR sys_ni_syscall 26646e12c07SRalf Baechle PTR sys_access 26746e12c07SRalf Baechle PTR sys_nice 26846e12c07SRalf Baechle PTR sys_ni_syscall /* 4035 */ 26946e12c07SRalf Baechle PTR sys_sync 27046e12c07SRalf Baechle PTR sys_kill 27146e12c07SRalf Baechle PTR sys_rename 27246e12c07SRalf Baechle PTR sys_mkdir 27346e12c07SRalf Baechle PTR sys_rmdir /* 4040 */ 27446e12c07SRalf Baechle PTR sys_dup 27546e12c07SRalf Baechle PTR sysm_pipe 27646e12c07SRalf Baechle PTR sys_times 27746e12c07SRalf Baechle PTR sys_ni_syscall 27846e12c07SRalf Baechle PTR sys_brk /* 4045 */ 27946e12c07SRalf Baechle PTR sys_setgid 28046e12c07SRalf Baechle PTR sys_getgid 28146e12c07SRalf Baechle PTR sys_ni_syscall /* was signal(2) */ 28246e12c07SRalf Baechle PTR sys_geteuid 28346e12c07SRalf Baechle PTR sys_getegid /* 4050 */ 28446e12c07SRalf Baechle PTR sys_acct 28546e12c07SRalf Baechle PTR sys_umount 28646e12c07SRalf Baechle PTR sys_ni_syscall 28746e12c07SRalf Baechle PTR sys_ioctl 28846e12c07SRalf Baechle PTR sys_fcntl /* 4055 */ 28946e12c07SRalf Baechle PTR sys_ni_syscall 29046e12c07SRalf Baechle PTR sys_setpgid 29146e12c07SRalf Baechle PTR sys_ni_syscall 29246e12c07SRalf Baechle PTR sys_olduname 29346e12c07SRalf Baechle PTR sys_umask /* 4060 */ 29446e12c07SRalf Baechle PTR sys_chroot 29546e12c07SRalf Baechle PTR sys_ustat 29646e12c07SRalf Baechle PTR sys_dup2 29746e12c07SRalf Baechle PTR sys_getppid 29846e12c07SRalf Baechle PTR sys_getpgrp /* 4065 */ 29946e12c07SRalf Baechle PTR sys_setsid 30046e12c07SRalf Baechle PTR sys_sigaction 30146e12c07SRalf Baechle PTR sys_sgetmask 30246e12c07SRalf Baechle PTR sys_ssetmask 30346e12c07SRalf Baechle PTR sys_setreuid /* 4070 */ 30446e12c07SRalf Baechle PTR sys_setregid 30546e12c07SRalf Baechle PTR sys_sigsuspend 30646e12c07SRalf Baechle PTR sys_sigpending 30746e12c07SRalf Baechle PTR sys_sethostname 30846e12c07SRalf Baechle PTR sys_setrlimit /* 4075 */ 30946e12c07SRalf Baechle PTR sys_getrlimit 31046e12c07SRalf Baechle PTR sys_getrusage 31146e12c07SRalf Baechle PTR sys_gettimeofday 31246e12c07SRalf Baechle PTR sys_settimeofday 31346e12c07SRalf Baechle PTR sys_getgroups /* 4080 */ 31446e12c07SRalf Baechle PTR sys_setgroups 31546e12c07SRalf Baechle PTR sys_ni_syscall /* old_select */ 31646e12c07SRalf Baechle PTR sys_symlink 31746e12c07SRalf Baechle PTR sys_ni_syscall /* was sys_lstat */ 31846e12c07SRalf Baechle PTR sys_readlink /* 4085 */ 31946e12c07SRalf Baechle PTR sys_uselib 32046e12c07SRalf Baechle PTR sys_swapon 32146e12c07SRalf Baechle PTR sys_reboot 32246e12c07SRalf Baechle PTR sys_old_readdir 32346e12c07SRalf Baechle PTR sys_mips_mmap /* 4090 */ 32446e12c07SRalf Baechle PTR sys_munmap 32546e12c07SRalf Baechle PTR sys_truncate 32646e12c07SRalf Baechle PTR sys_ftruncate 32746e12c07SRalf Baechle PTR sys_fchmod 32846e12c07SRalf Baechle PTR sys_fchown /* 4095 */ 32946e12c07SRalf Baechle PTR sys_getpriority 33046e12c07SRalf Baechle PTR sys_setpriority 33146e12c07SRalf Baechle PTR sys_ni_syscall 33246e12c07SRalf Baechle PTR sys_statfs 33346e12c07SRalf Baechle PTR sys_fstatfs /* 4100 */ 33446e12c07SRalf Baechle PTR sys_ni_syscall /* was ioperm(2) */ 33546e12c07SRalf Baechle PTR sys_socketcall 33646e12c07SRalf Baechle PTR sys_syslog 33746e12c07SRalf Baechle PTR sys_setitimer 33846e12c07SRalf Baechle PTR sys_getitimer /* 4105 */ 33946e12c07SRalf Baechle PTR sys_newstat 34046e12c07SRalf Baechle PTR sys_newlstat 34146e12c07SRalf Baechle PTR sys_newfstat 34246e12c07SRalf Baechle PTR sys_uname 34346e12c07SRalf Baechle PTR sys_ni_syscall /* 4110 was iopl(2) */ 34446e12c07SRalf Baechle PTR sys_vhangup 34546e12c07SRalf Baechle PTR sys_ni_syscall /* was sys_idle() */ 34646e12c07SRalf Baechle PTR sys_ni_syscall /* was sys_vm86 */ 34746e12c07SRalf Baechle PTR sys_wait4 34846e12c07SRalf Baechle PTR sys_swapoff /* 4115 */ 34946e12c07SRalf Baechle PTR sys_sysinfo 35046e12c07SRalf Baechle PTR sys_ipc 35146e12c07SRalf Baechle PTR sys_fsync 35246e12c07SRalf Baechle PTR sys_sigreturn 35346e12c07SRalf Baechle PTR __sys_clone /* 4120 */ 35446e12c07SRalf Baechle PTR sys_setdomainname 35546e12c07SRalf Baechle PTR sys_newuname 35646e12c07SRalf Baechle PTR sys_ni_syscall /* sys_modify_ldt */ 35746e12c07SRalf Baechle PTR sys_adjtimex 35846e12c07SRalf Baechle PTR sys_mprotect /* 4125 */ 35946e12c07SRalf Baechle PTR sys_sigprocmask 36046e12c07SRalf Baechle PTR sys_ni_syscall /* was create_module */ 36146e12c07SRalf Baechle PTR sys_init_module 36246e12c07SRalf Baechle PTR sys_delete_module 36346e12c07SRalf Baechle PTR sys_ni_syscall /* 4130 was get_kernel_syms */ 36446e12c07SRalf Baechle PTR sys_quotactl 36546e12c07SRalf Baechle PTR sys_getpgid 36646e12c07SRalf Baechle PTR sys_fchdir 36746e12c07SRalf Baechle PTR sys_bdflush 36846e12c07SRalf Baechle PTR sys_sysfs /* 4135 */ 36946e12c07SRalf Baechle PTR sys_personality 37046e12c07SRalf Baechle PTR sys_ni_syscall /* for afs_syscall */ 37146e12c07SRalf Baechle PTR sys_setfsuid 37246e12c07SRalf Baechle PTR sys_setfsgid 37346e12c07SRalf Baechle PTR sys_llseek /* 4140 */ 37446e12c07SRalf Baechle PTR sys_getdents 37546e12c07SRalf Baechle PTR sys_select 37646e12c07SRalf Baechle PTR sys_flock 37746e12c07SRalf Baechle PTR sys_msync 37846e12c07SRalf Baechle PTR sys_readv /* 4145 */ 37946e12c07SRalf Baechle PTR sys_writev 38046e12c07SRalf Baechle PTR sys_cacheflush 38146e12c07SRalf Baechle PTR sys_cachectl 38246e12c07SRalf Baechle PTR sys_sysmips 38346e12c07SRalf Baechle PTR sys_ni_syscall /* 4150 */ 38446e12c07SRalf Baechle PTR sys_getsid 38546e12c07SRalf Baechle PTR sys_fdatasync 38646e12c07SRalf Baechle PTR sys_sysctl 38746e12c07SRalf Baechle PTR sys_mlock 38846e12c07SRalf Baechle PTR sys_munlock /* 4155 */ 38946e12c07SRalf Baechle PTR sys_mlockall 39046e12c07SRalf Baechle PTR sys_munlockall 39146e12c07SRalf Baechle PTR sys_sched_setparam 39246e12c07SRalf Baechle PTR sys_sched_getparam 39346e12c07SRalf Baechle PTR sys_sched_setscheduler /* 4160 */ 39446e12c07SRalf Baechle PTR sys_sched_getscheduler 39546e12c07SRalf Baechle PTR sys_sched_yield 39646e12c07SRalf Baechle PTR sys_sched_get_priority_max 39746e12c07SRalf Baechle PTR sys_sched_get_priority_min 39846e12c07SRalf Baechle PTR sys_sched_rr_get_interval /* 4165 */ 39946e12c07SRalf Baechle PTR sys_nanosleep 40046e12c07SRalf Baechle PTR sys_mremap 40146e12c07SRalf Baechle PTR sys_accept 40246e12c07SRalf Baechle PTR sys_bind 40346e12c07SRalf Baechle PTR sys_connect /* 4170 */ 40446e12c07SRalf Baechle PTR sys_getpeername 40546e12c07SRalf Baechle PTR sys_getsockname 40646e12c07SRalf Baechle PTR sys_getsockopt 40746e12c07SRalf Baechle PTR sys_listen 40846e12c07SRalf Baechle PTR sys_recv /* 4175 */ 40946e12c07SRalf Baechle PTR sys_recvfrom 41046e12c07SRalf Baechle PTR sys_recvmsg 41146e12c07SRalf Baechle PTR sys_send 41246e12c07SRalf Baechle PTR sys_sendmsg 41346e12c07SRalf Baechle PTR sys_sendto /* 4180 */ 41446e12c07SRalf Baechle PTR sys_setsockopt 41546e12c07SRalf Baechle PTR sys_shutdown 41646e12c07SRalf Baechle PTR sys_socket 41746e12c07SRalf Baechle PTR sys_socketpair 41846e12c07SRalf Baechle PTR sys_setresuid /* 4185 */ 41946e12c07SRalf Baechle PTR sys_getresuid 42046e12c07SRalf Baechle PTR sys_ni_syscall /* was sys_query_module */ 42146e12c07SRalf Baechle PTR sys_poll 42246e12c07SRalf Baechle PTR sys_ni_syscall /* was nfsservctl */ 42346e12c07SRalf Baechle PTR sys_setresgid /* 4190 */ 42446e12c07SRalf Baechle PTR sys_getresgid 42546e12c07SRalf Baechle PTR sys_prctl 42646e12c07SRalf Baechle PTR sys_rt_sigreturn 42746e12c07SRalf Baechle PTR sys_rt_sigaction 42846e12c07SRalf Baechle PTR sys_rt_sigprocmask /* 4195 */ 42946e12c07SRalf Baechle PTR sys_rt_sigpending 43046e12c07SRalf Baechle PTR sys_rt_sigtimedwait 43146e12c07SRalf Baechle PTR sys_rt_sigqueueinfo 43246e12c07SRalf Baechle PTR sys_rt_sigsuspend 43346e12c07SRalf Baechle PTR sys_pread64 /* 4200 */ 43446e12c07SRalf Baechle PTR sys_pwrite64 43546e12c07SRalf Baechle PTR sys_chown 43646e12c07SRalf Baechle PTR sys_getcwd 43746e12c07SRalf Baechle PTR sys_capget 43846e12c07SRalf Baechle PTR sys_capset /* 4205 */ 43946e12c07SRalf Baechle PTR sys_sigaltstack 44046e12c07SRalf Baechle PTR sys_sendfile 44146e12c07SRalf Baechle PTR sys_ni_syscall 44246e12c07SRalf Baechle PTR sys_ni_syscall 44346e12c07SRalf Baechle PTR sys_mips_mmap2 /* 4210 */ 44446e12c07SRalf Baechle PTR sys_truncate64 44546e12c07SRalf Baechle PTR sys_ftruncate64 44646e12c07SRalf Baechle PTR sys_stat64 44746e12c07SRalf Baechle PTR sys_lstat64 44846e12c07SRalf Baechle PTR sys_fstat64 /* 4215 */ 44946e12c07SRalf Baechle PTR sys_pivot_root 45046e12c07SRalf Baechle PTR sys_mincore 45146e12c07SRalf Baechle PTR sys_madvise 45246e12c07SRalf Baechle PTR sys_getdents64 45346e12c07SRalf Baechle PTR sys_fcntl64 /* 4220 */ 45446e12c07SRalf Baechle PTR sys_ni_syscall 45546e12c07SRalf Baechle PTR sys_gettid 45646e12c07SRalf Baechle PTR sys_readahead 45746e12c07SRalf Baechle PTR sys_setxattr 45846e12c07SRalf Baechle PTR sys_lsetxattr /* 4225 */ 45946e12c07SRalf Baechle PTR sys_fsetxattr 46046e12c07SRalf Baechle PTR sys_getxattr 46146e12c07SRalf Baechle PTR sys_lgetxattr 46246e12c07SRalf Baechle PTR sys_fgetxattr 46346e12c07SRalf Baechle PTR sys_listxattr /* 4230 */ 46446e12c07SRalf Baechle PTR sys_llistxattr 46546e12c07SRalf Baechle PTR sys_flistxattr 46646e12c07SRalf Baechle PTR sys_removexattr 46746e12c07SRalf Baechle PTR sys_lremovexattr 46846e12c07SRalf Baechle PTR sys_fremovexattr /* 4235 */ 46946e12c07SRalf Baechle PTR sys_tkill 47046e12c07SRalf Baechle PTR sys_sendfile64 47146e12c07SRalf Baechle PTR sys_futex 472f088fc84SRalf Baechle#ifdef CONFIG_MIPS_MT_FPAFF 473f088fc84SRalf Baechle /* 474f088fc84SRalf Baechle * For FPU affinity scheduling on MIPS MT processors, we need to 475f088fc84SRalf Baechle * intercept sys_sched_xxxaffinity() calls until we get a proper hook 4760a0fca9dSViresh Kumar * in kernel/sched/core.c. Considered only temporary we only support 4770a0fca9dSViresh Kumar * these hooks for the 32-bit kernel - there is no MIPS64 MT processor 4780a0fca9dSViresh Kumar * atm. 479f088fc84SRalf Baechle */ 48046e12c07SRalf Baechle PTR mipsmt_sys_sched_setaffinity 48146e12c07SRalf Baechle PTR mipsmt_sys_sched_getaffinity 482f088fc84SRalf Baechle#else 48346e12c07SRalf Baechle PTR sys_sched_setaffinity 48446e12c07SRalf Baechle PTR sys_sched_getaffinity /* 4240 */ 485f088fc84SRalf Baechle#endif /* CONFIG_MIPS_MT_FPAFF */ 48646e12c07SRalf Baechle PTR sys_io_setup 48746e12c07SRalf Baechle PTR sys_io_destroy 48846e12c07SRalf Baechle PTR sys_io_getevents 48946e12c07SRalf Baechle PTR sys_io_submit 49046e12c07SRalf Baechle PTR sys_io_cancel /* 4245 */ 49146e12c07SRalf Baechle PTR sys_exit_group 49246e12c07SRalf Baechle PTR sys_lookup_dcookie 49346e12c07SRalf Baechle PTR sys_epoll_create 49446e12c07SRalf Baechle PTR sys_epoll_ctl 49546e12c07SRalf Baechle PTR sys_epoll_wait /* 4250 */ 49646e12c07SRalf Baechle PTR sys_remap_file_pages 49746e12c07SRalf Baechle PTR sys_set_tid_address 49846e12c07SRalf Baechle PTR sys_restart_syscall 49946e12c07SRalf Baechle PTR sys_fadvise64_64 50046e12c07SRalf Baechle PTR sys_statfs64 /* 4255 */ 50146e12c07SRalf Baechle PTR sys_fstatfs64 50246e12c07SRalf Baechle PTR sys_timer_create 50346e12c07SRalf Baechle PTR sys_timer_settime 50446e12c07SRalf Baechle PTR sys_timer_gettime 50546e12c07SRalf Baechle PTR sys_timer_getoverrun /* 4260 */ 50646e12c07SRalf Baechle PTR sys_timer_delete 50746e12c07SRalf Baechle PTR sys_clock_settime 50846e12c07SRalf Baechle PTR sys_clock_gettime 50946e12c07SRalf Baechle PTR sys_clock_getres 51046e12c07SRalf Baechle PTR sys_clock_nanosleep /* 4265 */ 51146e12c07SRalf Baechle PTR sys_tgkill 51246e12c07SRalf Baechle PTR sys_utimes 51346e12c07SRalf Baechle PTR sys_mbind 5141ff1ad6bSHuacai Chen PTR sys_get_mempolicy 5151ff1ad6bSHuacai Chen PTR sys_set_mempolicy /* 4270 */ 51646e12c07SRalf Baechle PTR sys_mq_open 51746e12c07SRalf Baechle PTR sys_mq_unlink 51846e12c07SRalf Baechle PTR sys_mq_timedsend 51946e12c07SRalf Baechle PTR sys_mq_timedreceive 52046e12c07SRalf Baechle PTR sys_mq_notify /* 4275 */ 52146e12c07SRalf Baechle PTR sys_mq_getsetattr 52246e12c07SRalf Baechle PTR sys_ni_syscall /* sys_vserver */ 52346e12c07SRalf Baechle PTR sys_waitid 52446e12c07SRalf Baechle PTR sys_ni_syscall /* available, was setaltroot */ 52546e12c07SRalf Baechle PTR sys_add_key /* 4280 */ 52646e12c07SRalf Baechle PTR sys_request_key 52746e12c07SRalf Baechle PTR sys_keyctl 52846e12c07SRalf Baechle PTR sys_set_thread_area 52946e12c07SRalf Baechle PTR sys_inotify_init 53046e12c07SRalf Baechle PTR sys_inotify_add_watch /* 4285 */ 53146e12c07SRalf Baechle PTR sys_inotify_rm_watch 53246e12c07SRalf Baechle PTR sys_migrate_pages 53346e12c07SRalf Baechle PTR sys_openat 53446e12c07SRalf Baechle PTR sys_mkdirat 53546e12c07SRalf Baechle PTR sys_mknodat /* 4290 */ 53646e12c07SRalf Baechle PTR sys_fchownat 53746e12c07SRalf Baechle PTR sys_futimesat 53846e12c07SRalf Baechle PTR sys_fstatat64 53946e12c07SRalf Baechle PTR sys_unlinkat 54046e12c07SRalf Baechle PTR sys_renameat /* 4295 */ 54146e12c07SRalf Baechle PTR sys_linkat 54246e12c07SRalf Baechle PTR sys_symlinkat 54346e12c07SRalf Baechle PTR sys_readlinkat 54446e12c07SRalf Baechle PTR sys_fchmodat 54546e12c07SRalf Baechle PTR sys_faccessat /* 4300 */ 54646e12c07SRalf Baechle PTR sys_pselect6 54746e12c07SRalf Baechle PTR sys_ppoll 54846e12c07SRalf Baechle PTR sys_unshare 54946e12c07SRalf Baechle PTR sys_splice 55046e12c07SRalf Baechle PTR sys_sync_file_range /* 4305 */ 55146e12c07SRalf Baechle PTR sys_tee 55246e12c07SRalf Baechle PTR sys_vmsplice 55346e12c07SRalf Baechle PTR sys_move_pages 55446e12c07SRalf Baechle PTR sys_set_robust_list 55546e12c07SRalf Baechle PTR sys_get_robust_list /* 4310 */ 55646e12c07SRalf Baechle PTR sys_kexec_load 55746e12c07SRalf Baechle PTR sys_getcpu 55846e12c07SRalf Baechle PTR sys_epoll_pwait 55946e12c07SRalf Baechle PTR sys_ioprio_set 56046e12c07SRalf Baechle PTR sys_ioprio_get /* 4315 */ 56146e12c07SRalf Baechle PTR sys_utimensat 56246e12c07SRalf Baechle PTR sys_signalfd 56346e12c07SRalf Baechle PTR sys_ni_syscall /* was timerfd */ 56446e12c07SRalf Baechle PTR sys_eventfd 56546e12c07SRalf Baechle PTR sys_fallocate /* 4320 */ 56646e12c07SRalf Baechle PTR sys_timerfd_create 56746e12c07SRalf Baechle PTR sys_timerfd_gettime 56846e12c07SRalf Baechle PTR sys_timerfd_settime 56946e12c07SRalf Baechle PTR sys_signalfd4 57046e12c07SRalf Baechle PTR sys_eventfd2 /* 4325 */ 57146e12c07SRalf Baechle PTR sys_epoll_create1 57246e12c07SRalf Baechle PTR sys_dup3 57346e12c07SRalf Baechle PTR sys_pipe2 57446e12c07SRalf Baechle PTR sys_inotify_init1 57546e12c07SRalf Baechle PTR sys_preadv /* 4330 */ 57646e12c07SRalf Baechle PTR sys_pwritev 57746e12c07SRalf Baechle PTR sys_rt_tgsigqueueinfo 57846e12c07SRalf Baechle PTR sys_perf_event_open 57946e12c07SRalf Baechle PTR sys_accept4 58046e12c07SRalf Baechle PTR sys_recvmmsg /* 4335 */ 58146e12c07SRalf Baechle PTR sys_fanotify_init 58246e12c07SRalf Baechle PTR sys_fanotify_mark 58346e12c07SRalf Baechle PTR sys_prlimit64 58446e12c07SRalf Baechle PTR sys_name_to_handle_at 58546e12c07SRalf Baechle PTR sys_open_by_handle_at /* 4340 */ 58646e12c07SRalf Baechle PTR sys_clock_adjtime 58746e12c07SRalf Baechle PTR sys_syncfs 58846e12c07SRalf Baechle PTR sys_sendmmsg 58946e12c07SRalf Baechle PTR sys_setns 59046e12c07SRalf Baechle PTR sys_process_vm_readv /* 4345 */ 59146e12c07SRalf Baechle PTR sys_process_vm_writev 59246e12c07SRalf Baechle PTR sys_kcmp 59346e12c07SRalf Baechle PTR sys_finit_module 5946776254bSJames Hogan PTR sys_sched_setattr 5956776254bSJames Hogan PTR sys_sched_getattr /* 4350 */ 596367f0b50SRalf Baechle PTR sys_renameat2 5978855d608SKees Cook PTR sys_seccomp 59842944521SRalf Baechle PTR sys_getrandom 59942944521SRalf Baechle PTR sys_memfd_create 6005df4c8dbSRalf Baechle PTR sys_bpf /* 4355 */ 601389cdc5dSRalf Baechle PTR sys_execveat 602