* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle
+ * Copyright (C) 1995-99, 2000- 02, 06 Ralf Baechle <ralf@linux-mips.org>
* Copyright (C) 2001 MIPS Technologies, Inc.
* Copyright (C) 2004 Thiemo Seufer
*/
-#include <linux/config.h>
#include <linux/errno.h>
#include <asm/asm.h>
#include <asm/asmmacro.h>
+#include <asm/irqflags.h>
#include <asm/mipsregs.h>
#include <asm/regdef.h>
#include <asm/stackframe.h>
NESTED(handle_sys, PT_SIZE, sp)
.set noat
SAVE_SOME
+ TRACE_IRQS_ON_RELOAD
STI
.set at
lw t1, PT_EPC(sp) # skip syscall on return
-#if defined(CONFIG_BINFMT_IRIX)
- sltiu t0, v0, MAX_SYSCALL_NO + 1 # check syscall number
-#else
subu v0, v0, __NR_O32_Linux # check syscall number
sltiu t0, v0, __NR_O32_Linux_syscalls + 1
-#endif
addiu t1, 4 # skip to next instruction
sw t1, PT_EPC(sp)
beqz t0, illegal_syscall
* The system call does not exist in this kernel
*/
illegal_syscall:
- li v0, -ENOSYS # error
+ li v0, ENOSYS # error
sw v0, PT_R2(sp)
li t0, 1 # set error flag
sw t0, PT_R7(sp)
END(sys_sysmips)
LEAF(sys_syscall)
-#if defined(CONFIG_BINFMT_IRIX)
- sltiu v0, a0, MAX_SYSCALL_NO + 1 # check syscall number
-#else
subu t0, a0, __NR_O32_Linux # check syscall number
sltiu v0, t0, __NR_O32_Linux_syscalls + 1
-#endif
+ beqz t0, einval # do not recurse
sll t1, t0, 3
beqz v0, einval
-
lw t2, sys_call_table(t1) # syscall routine
-#if defined(CONFIG_BINFMT_IRIX)
- li v1, 4000 # nr of sys_syscall
-#else
- li v1, 4000 - __NR_O32_Linux # index of sys_syscall
-#endif
- beq t0, v1, einval # do not recurse
-
/* Some syscalls like execve get their arguments from struct pt_regs
and claim zero arguments in the syscall table. Thus we have to
assume the worst case and shuffle around all potential arguments.
jr t2
/* Unreached */
-einval: li v0, -EINVAL
+einval: li v0, -ENOSYS
jr ra
END(sys_syscall)
.endm
.macro syscalltable
-#if defined(CONFIG_BINFMT_IRIX)
- mille sys_ni_syscall 0 /* 0 - 999 SVR4 flavour */
- mille sys_ni_syscall 0 /* 1000 - 1999 32-bit IRIX */
- mille sys_ni_syscall 0 /* 2000 - 2999 BSD43 flavour */
- mille sys_ni_syscall 0 /* 3000 - 3999 POSIX flavour */
-#endif
-
sys sys_syscall 8 /* 4000 */
sys sys_exit 1
sys sys_fork 0
sys sys_mkdir 2
sys sys_rmdir 1 /* 4040 */
sys sys_dup 1
- sys sys_pipe 0
+ sys sysm_pipe 0
sys sys_times 1
sys sys_ni_syscall 0
sys sys_brk 1 /* 4045 */
sys sys_sched_get_priority_min 1
sys sys_sched_rr_get_interval 2 /* 4165 */
sys sys_nanosleep, 2
- sys sys_mremap, 4
+ sys sys_mremap, 5
sys sys_accept 3
sys sys_bind 3
sys sys_connect 3 /* 4170 */
sys sys_tkill 2
sys sys_sendfile64 5
sys sys_futex 6
+#ifdef CONFIG_MIPS_MT_FPAFF
+ /*
+ * For FPU affinity scheduling on MIPS MT processors, we need to
+ * intercept sys_sched_xxxaffinity() calls until we get a proper hook
+ * in kernel/sched.c. Considered only temporary we only support these
+ * hooks for the 32-bit kernel - there is no MIPS64 MT processor atm.
+ */
+ sys mipsmt_sys_sched_setaffinity 3
+ sys mipsmt_sys_sched_getaffinity 3
+#else
sys sys_sched_setaffinity 3
sys sys_sched_getaffinity 3 /* 4240 */
+#endif /* CONFIG_MIPS_MT_FPAFF */
sys sys_io_setup 2
sys sys_io_destroy 1
sys sys_io_getevents 5
sys sys_pselect6 6
sys sys_ppoll 5
sys sys_unshare 1
- sys sys_splice 4
+ sys sys_splice 6
sys sys_sync_file_range 7 /* 4305 */
+ sys sys_tee 4
+ sys sys_vmsplice 4
+ sys sys_move_pages 6
+ sys sys_set_robust_list 2
+ sys sys_get_robust_list 3 /* 4310 */
+ sys sys_kexec_load 4
+ sys sys_getcpu 3
+ sys sys_epoll_pwait 6
+ sys sys_ioprio_set 3
+ sys sys_ioprio_get 2 /* 4315 */
+ sys sys_utimensat 4
+ sys sys_signalfd 3
+ sys sys_ni_syscall 0
+ sys sys_eventfd 1
+ sys sys_fallocate 6 /* 4320 */
+ sys sys_timerfd_create 2
+ sys sys_timerfd_gettime 2
+ sys sys_timerfd_settime 4
+ sys sys_signalfd4 4
+ sys sys_eventfd2 2 /* 4325 */
+ sys sys_epoll_create1 1
+ sys sys_dup3 3
+ sys sys_pipe2 2
+ sys sys_inotify_init1 1
.endm
/* We pre-compute the number of _instruction_ bytes needed to
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff