2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
6 * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01, 02 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2001 MIPS Technologies, Inc.
10 #include <linux/errno.h>
12 #include <asm/asmmacro.h>
13 #include <asm/irqflags.h>
14 #include <asm/mipsregs.h>
15 #include <asm/regdef.h>
16 #include <asm/stackframe.h>
17 #include <asm/asm-offsets.h>
18 #include <asm/sysmips.h>
19 #include <asm/thread_info.h>
20 #include <asm/unistd.h>
23 #ifndef CONFIG_BINFMT_ELF32
24 /* Neither O32 nor N32, so define handle_sys here */
25 #define handle_sys64 handle_sys
29 NESTED(handle_sys64, PT_SIZE, sp)
30 #if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32)
32 * When 32-bit compatibility is configured scall_o32.S
42 dsubu t0, v0, __NR_64_Linux # check syscall number
43 sltiu t0, t0, __NR_64_Linux_syscalls + 1
44 #if !defined(CONFIG_MIPS32_O32) && !defined(CONFIG_MIPS32_N32)
45 ld t1, PT_EPC(sp) # skip syscall on return
46 daddiu t1, 4 # skip to next instruction
49 beqz t0, illegal_syscall
51 dsll t0, v0, 3 # offset into table
52 ld t2, (sys_call_table - (__NR_64_Linux * 8))(t0)
55 sd a3, PT_R26(sp) # save a3 for syscall restarting
57 li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
58 LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
60 bnez t0, syscall_trace_entry
62 jalr t2 # Do The Real Thing (TM)
64 li t0, -EMAXERRNO - 1 # error?
66 sd t0, PT_R7(sp) # set error flag
70 sd v0, PT_R0(sp) # set flag for syscall
72 1: sd v0, PT_R2(sp) # result
75 local_irq_disable # make sure need_resched and
76 # signals dont change between
78 LONG_L a2, TI_FLAGS($28) # current->work
79 li t0, _TIF_ALLWORK_MASK
81 bnez t0, n64_syscall_exit_work
85 n64_syscall_exit_work:
86 j syscall_exit_work_partial
88 /* ------------------------------------------------------------------------ */
99 ld a0, PT_R4(sp) # Restore argument registers
107 li t0, -EMAXERRNO - 1 # error?
109 sd t0, PT_R7(sp) # set error flag
113 sd v0, PT_R0(sp) # set flag for syscall restarting
114 1: sd v0, PT_R2(sp) # result
119 /* This also isn't a 64-bit syscall, throw an error. */
120 li v0, -ENOSYS # error
122 li t0, 1 # set error flag
127 LEAF(mips_atomic_set)
128 andi v0, a1, 3 # must be word aligned
129 bnez v0, bad_alignment
131 LONG_L v1, TI_ADDR_LIMIT($28) # in legal address range?
137 #ifdef CONFIG_CPU_HAS_LLSC
138 /* Ok, this is the ll/sc case. World is sane :-) */
148 .section __ex_table,"a"
165 * At this point the page should be readable and writable unless
166 * there was no more memory available.
171 .section __ex_table,"a"
177 sd zero, PT_R7(sp) # success
178 sd v0, PT_R2(sp) # result
180 j n64_syscall_exit # continue like a normal syscall
182 no_mem: li v0, -ENOMEM
195 beq a0, MIPS_ATOMIC_SET, mips_atomic_set
201 PTR sys_read /* 5000 */
206 PTR sys_newfstat /* 5005 */
211 PTR sys_mprotect /* 5010 */
215 PTR sys_rt_sigprocmask
216 PTR sys_ioctl /* 5015 */
221 PTR sys_access /* 5020 */
226 PTR sys_msync /* 5025 */
231 PTR sys_shmctl /* 5030 */
236 PTR sys_getitimer /* 5035 */
241 PTR sys_socket /* 5040 */
246 PTR sys_sendmsg /* 5045 */
251 PTR sys_getsockname /* 5050 */
256 PTR sys_clone /* 5055 */
261 PTR sys_kill /* 5060 */
266 PTR sys_shmdt /* 5065 */
271 PTR sys_fcntl /* 5070 */
276 PTR sys_ftruncate /* 5075 */
281 PTR sys_rename /* 5080 */
286 PTR sys_unlink /* 5085 */
291 PTR sys_chown /* 5090 */
296 PTR sys_getrlimit /* 5095 */
301 PTR sys_getuid /* 5100 */
306 PTR sys_geteuid /* 5105 */
311 PTR sys_setsid /* 5110 */
316 PTR sys_setresuid /* 5115 */
321 PTR sys_setfsuid /* 5120 */
326 PTR sys_rt_sigpending /* 5125 */
327 PTR sys_rt_sigtimedwait
328 PTR sys_rt_sigqueueinfo
329 PTR sys_rt_sigsuspend
331 PTR sys_utime /* 5130 */
336 PTR sys_fstatfs /* 5135 */
340 PTR sys_sched_setparam
341 PTR sys_sched_getparam /* 5140 */
342 PTR sys_sched_setscheduler
343 PTR sys_sched_getscheduler
344 PTR sys_sched_get_priority_max
345 PTR sys_sched_get_priority_min
346 PTR sys_sched_rr_get_interval /* 5145 */
351 PTR sys_vhangup /* 5150 */
356 PTR sys_setrlimit /* 5155 */
361 PTR sys_mount /* 5160 */
366 PTR sys_sethostname /* 5165 */
367 PTR sys_setdomainname
368 PTR sys_ni_syscall /* was create_module */
370 PTR sys_delete_module
371 PTR sys_ni_syscall /* 5170, was get_kernel_syms */
372 PTR sys_ni_syscall /* was query_module */
375 PTR sys_ni_syscall /* res. for getpmsg */
376 PTR sys_ni_syscall /* 5175 for putpmsg */
377 PTR sys_ni_syscall /* res. for afs_syscall */
378 PTR sys_ni_syscall /* res. for security */
381 PTR sys_setxattr /* 5180 */
386 PTR sys_fgetxattr /* 5185 */
391 PTR sys_lremovexattr /* 5190 */
396 PTR sys_sched_setaffinity /* 5195 */
397 PTR sys_sched_getaffinity
401 PTR sys_io_setup /* 5200 */
406 PTR sys_exit_group /* 5205 */
407 PTR sys_lookup_dcookie
411 PTR sys_remap_file_pages /* 5210 */
413 PTR sys_set_tid_address
414 PTR sys_restart_syscall
416 PTR sys_fadvise64_64 /* 5215 */
418 PTR sys_timer_settime
419 PTR sys_timer_gettime
420 PTR sys_timer_getoverrun
421 PTR sys_timer_delete /* 5220 */
422 PTR sys_clock_settime
423 PTR sys_clock_gettime
425 PTR sys_clock_nanosleep
426 PTR sys_tgkill /* 5225 */
429 PTR sys_ni_syscall /* sys_get_mempolicy */
430 PTR sys_ni_syscall /* sys_set_mempolicy */
431 PTR sys_mq_open /* 5230 */
434 PTR sys_mq_timedreceive
436 PTR sys_mq_getsetattr /* 5235 */
437 PTR sys_ni_syscall /* sys_vserver */
439 PTR sys_ni_syscall /* available, was setaltroot */
441 PTR sys_request_key /* 5240 */
443 PTR sys_set_thread_area
445 PTR sys_inotify_add_watch
446 PTR sys_inotify_rm_watch /* 5245 */
447 PTR sys_migrate_pages
451 PTR sys_fchownat /* 5250 */
456 PTR sys_linkat /* 5255 */
461 PTR sys_pselect6 /* 5260 */
465 PTR sys_sync_file_range
466 PTR sys_tee /* 5265 */
469 PTR sys_set_robust_list
470 PTR sys_get_robust_list
471 PTR sys_kexec_load /* 5270 */
476 PTR sys_utimensat /* 5275 */
481 PTR sys_timerfd_create /* 5280 */
482 PTR sys_timerfd_gettime
483 PTR sys_timerfd_settime
486 PTR sys_epoll_create1 /* 5285 */
489 PTR sys_inotify_init1
490 .size sys_call_table,.-sys_call_table