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-rw-r--r--arch/mips/kernel/scall64-n32.S365
1 files changed, 365 insertions, 0 deletions
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
new file mode 100644
index 000000000000..e52049c87bc3
--- /dev/null
+++ b/arch/mips/kernel/scall64-n32.S
@@ -0,0 +1,365 @@
1/*
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
4 * for more details.
5 *
6 * Copyright (C) 1995, 96, 97, 98, 99, 2000, 01 by Ralf Baechle
7 * Copyright (C) 1999, 2000 Silicon Graphics, Inc.
8 * Copyright (C) 2001 MIPS Technologies, Inc.
9 */
10#include <linux/config.h>
11#include <linux/errno.h>
12#include <asm/asm.h>
13#include <asm/asmmacro.h>
14#include <asm/mipsregs.h>
15#include <asm/regdef.h>
16#include <asm/stackframe.h>
17#include <asm/thread_info.h>
18#include <asm/unistd.h>
19
20/* This duplicates the definition from <linux/sched.h> */
21#define PT_TRACESYS 0x00000002 /* tracing system calls */
22
23/* This duplicates the definition from <asm/signal.h> */
24#define SIGILL 4 /* Illegal instruction (ANSI). */
25
26#ifndef CONFIG_MIPS32_O32
27/* No O32, so define handle_sys here */
28#define handle_sysn32 handle_sys
29#endif
30
31 .align 5
32NESTED(handle_sysn32, PT_SIZE, sp)
33#ifndef CONFIG_MIPS32_O32
34 .set noat
35 SAVE_SOME
36 STI
37 .set at
38#endif
39
40 dsubu t0, v0, __NR_N32_Linux # check syscall number
41 sltiu t0, t0, __NR_N32_Linux_syscalls + 1
42
43#ifndef CONFIG_MIPS32_O32
44 ld t1, PT_EPC(sp) # skip syscall on return
45 daddiu t1, 4 # skip to next instruction
46 sd t1, PT_EPC(sp)
47#endif
48 beqz t0, not_n32_scall
49
50 dsll t0, v0, 3 # offset into table
51 ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0)
52
53 sd a3, PT_R26(sp) # save a3 for syscall restarting
54
55 li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT
56 LONG_L t0, TI_FLAGS($28) # syscall tracing enabled?
57 and t0, t1, t0
58 bnez t0, n32_syscall_trace_entry
59
60 jalr t2 # Do The Real Thing (TM)
61
62 li t0, -EMAXERRNO - 1 # error?
63 sltu t0, t0, v0
64 sd t0, PT_R7(sp) # set error flag
65 beqz t0, 1f
66
67 dnegu v0 # error
68 sd v0, PT_R0(sp) # set flag for syscall restarting
691: sd v0, PT_R2(sp) # result
70
71 local_irq_disable # make sure need_resched and
72 # signals dont change between
73 # sampling and return
74 LONG_L a2, TI_FLAGS($28) # current->work
75 li t0, _TIF_ALLWORK_MASK
76 and t0, a2, t0
77 bnez t0, n32_syscall_exit_work
78
79 j restore_partial
80
81n32_syscall_exit_work:
82 j syscall_exit_work_partial
83
84/* ------------------------------------------------------------------------ */
85
86n32_syscall_trace_entry:
87 SAVE_STATIC
88 move s0, t2
89 move a0, sp
90 li a1, 0
91 jal do_syscall_trace
92
93 ld a0, PT_R4(sp) # Restore argument registers
94 ld a1, PT_R5(sp)
95 ld a2, PT_R6(sp)
96 ld a3, PT_R7(sp)
97 ld a4, PT_R8(sp)
98 ld a5, PT_R9(sp)
99 jalr s0
100
101 li t0, -EMAXERRNO - 1 # error?
102 sltu t0, t0, v0
103 sd t0, PT_R7(sp) # set error flag
104 beqz t0, 1f
105
106 dnegu v0 # error
107 sd v0, PT_R0(sp) # set flag for syscall restarting
1081: sd v0, PT_R2(sp) # result
109
110 j syscall_exit
111
112not_n32_scall:
113 /* This is not an n32 compatibility syscall, pass it on to
114 the n64 syscall handlers. */
115 j handle_sys64
116
117 END(handle_sysn32)
118
119EXPORT(sysn32_call_table)
120 PTR sys_read /* 6000 */
121 PTR sys_write
122 PTR sys_open
123 PTR sys_close
124 PTR sys_newstat
125 PTR sys_newfstat /* 6005 */
126 PTR sys_newlstat
127 PTR sys_poll
128 PTR sys_lseek
129 PTR old_mmap
130 PTR sys_mprotect /* 6010 */
131 PTR sys_munmap
132 PTR sys_brk
133 PTR sys32_rt_sigaction
134 PTR sys32_rt_sigprocmask
135 PTR compat_sys_ioctl /* 6015 */
136 PTR sys_pread64
137 PTR sys_pwrite64
138 PTR compat_sys_readv
139 PTR compat_sys_writev
140 PTR sys_access /* 6020 */
141 PTR sys_pipe
142 PTR compat_sys_select
143 PTR sys_sched_yield
144 PTR sys_mremap
145 PTR sys_msync /* 6025 */
146 PTR sys_mincore
147 PTR sys_madvise
148 PTR sys_shmget
149 PTR sys32_shmat
150 PTR sys_shmctl /* 6030 */
151 PTR sys_dup
152 PTR sys_dup2
153 PTR sys_pause
154 PTR compat_sys_nanosleep
155 PTR compat_sys_getitimer /* 6035 */
156 PTR compat_sys_setitimer
157 PTR sys_alarm
158 PTR sys_getpid
159 PTR sys32_sendfile
160 PTR sys_socket /* 6040 */
161 PTR sys_connect
162 PTR sys_accept
163 PTR sys_sendto
164 PTR sys_recvfrom
165 PTR compat_sys_sendmsg /* 6045 */
166 PTR compat_sys_recvmsg
167 PTR sys_shutdown
168 PTR sys_bind
169 PTR sys_listen
170 PTR sys_getsockname /* 6050 */
171 PTR sys_getpeername
172 PTR sys_socketpair
173 PTR compat_sys_setsockopt
174 PTR sys_getsockopt
175 PTR sys_clone /* 6055 */
176 PTR sys_fork
177 PTR sys32_execve
178 PTR sys_exit
179 PTR sys32_wait4
180 PTR sys_kill /* 6060 */
181 PTR sys32_newuname
182 PTR sys_semget
183 PTR sys_semop
184 PTR sys_semctl
185 PTR sys_shmdt /* 6065 */
186 PTR sys_msgget
187 PTR sys_msgsnd
188 PTR sys_msgrcv
189 PTR sys_msgctl
190 PTR compat_sys_fcntl /* 6070 */
191 PTR sys_flock
192 PTR sys_fsync
193 PTR sys_fdatasync
194 PTR sys_truncate
195 PTR sys_ftruncate /* 6075 */
196 PTR sys32_getdents
197 PTR sys_getcwd
198 PTR sys_chdir
199 PTR sys_fchdir
200 PTR sys_rename /* 6080 */
201 PTR sys_mkdir
202 PTR sys_rmdir
203 PTR sys_creat
204 PTR sys_link
205 PTR sys_unlink /* 6085 */
206 PTR sys_symlink
207 PTR sys_readlink
208 PTR sys_chmod
209 PTR sys_fchmod
210 PTR sys_chown /* 6090 */
211 PTR sys_fchown
212 PTR sys_lchown
213 PTR sys_umask
214 PTR sys32_gettimeofday
215 PTR compat_sys_getrlimit /* 6095 */
216 PTR compat_sys_getrusage
217 PTR sys32_sysinfo
218 PTR compat_sys_times
219 PTR sys_ptrace
220 PTR sys_getuid /* 6100 */
221 PTR sys_syslog
222 PTR sys_getgid
223 PTR sys_setuid
224 PTR sys_setgid
225 PTR sys_geteuid /* 6105 */
226 PTR sys_getegid
227 PTR sys_setpgid
228 PTR sys_getppid
229 PTR sys_getpgrp
230 PTR sys_setsid /* 6110 */
231 PTR sys_setreuid
232 PTR sys_setregid
233 PTR sys_getgroups
234 PTR sys_setgroups
235 PTR sys_setresuid /* 6115 */
236 PTR sys_getresuid
237 PTR sys_setresgid
238 PTR sys_getresgid
239 PTR sys_getpgid
240 PTR sys_setfsuid /* 6120 */
241 PTR sys_setfsgid
242 PTR sys_getsid
243 PTR sys_capget
244 PTR sys_capset
245 PTR sys32_rt_sigpending /* 6125 */
246 PTR compat_sys_rt_sigtimedwait
247 PTR sys32_rt_sigqueueinfo
248 PTR sys32_rt_sigsuspend
249 PTR sys32_sigaltstack
250 PTR compat_sys_utime /* 6130 */
251 PTR sys_mknod
252 PTR sys32_personality
253 PTR sys_ustat
254 PTR compat_sys_statfs
255 PTR compat_sys_fstatfs /* 6135 */
256 PTR sys_sysfs
257 PTR sys_getpriority
258 PTR sys_setpriority
259 PTR sys_sched_setparam
260 PTR sys_sched_getparam /* 6140 */
261 PTR sys_sched_setscheduler
262 PTR sys_sched_getscheduler
263 PTR sys_sched_get_priority_max
264 PTR sys_sched_get_priority_min
265 PTR sys32_sched_rr_get_interval /* 6145 */
266 PTR sys_mlock
267 PTR sys_munlock
268 PTR sys_mlockall
269 PTR sys_munlockall
270 PTR sys_vhangup /* 6150 */
271 PTR sys_pivot_root
272 PTR sys32_sysctl
273 PTR sys_prctl
274 PTR sys32_adjtimex
275 PTR compat_sys_setrlimit /* 6155 */
276 PTR sys_chroot
277 PTR sys_sync
278 PTR sys_acct
279 PTR sys32_settimeofday
280 PTR sys_mount /* 6160 */
281 PTR sys_umount
282 PTR sys_swapon
283 PTR sys_swapoff
284 PTR sys_reboot
285 PTR sys_sethostname /* 6165 */
286 PTR sys_setdomainname
287 PTR sys_ni_syscall /* was create_module */
288 PTR sys_init_module
289 PTR sys_delete_module
290 PTR sys_ni_syscall /* 6170, was get_kernel_syms */
291 PTR sys_ni_syscall /* was query_module */
292 PTR sys_quotactl
293 PTR sys_nfsservctl
294 PTR sys_ni_syscall /* res. for getpmsg */
295 PTR sys_ni_syscall /* 6175 for putpmsg */
296 PTR sys_ni_syscall /* res. for afs_syscall */
297 PTR sys_ni_syscall /* res. for security */
298 PTR sys_gettid
299 PTR sys32_readahead
300 PTR sys_setxattr /* 6180 */
301 PTR sys_lsetxattr
302 PTR sys_fsetxattr
303 PTR sys_getxattr
304 PTR sys_lgetxattr
305 PTR sys_fgetxattr /* 6185 */
306 PTR sys_listxattr
307 PTR sys_llistxattr
308 PTR sys_flistxattr
309 PTR sys_removexattr
310 PTR sys_lremovexattr /* 6190 */
311 PTR sys_fremovexattr
312 PTR sys_tkill
313 PTR sys_ni_syscall
314 PTR compat_sys_futex
315 PTR compat_sys_sched_setaffinity /* 6195 */
316 PTR compat_sys_sched_getaffinity
317 PTR sys_cacheflush
318 PTR sys_cachectl
319 PTR sys_sysmips
320 PTR sys_io_setup /* 6200 */
321 PTR sys_io_destroy
322 PTR sys_io_getevents
323 PTR sys_io_submit
324 PTR sys_io_cancel
325 PTR sys_exit_group /* 6205 */
326 PTR sys_lookup_dcookie
327 PTR sys_epoll_create
328 PTR sys_epoll_ctl
329 PTR sys_epoll_wait
330 PTR sys_remap_file_pages /* 6210 */
331 PTR sysn32_rt_sigreturn
332 PTR sys_fcntl
333 PTR sys_set_tid_address
334 PTR sys_restart_syscall
335 PTR sys_semtimedop /* 6215 */
336 PTR sys_fadvise64_64
337 PTR compat_sys_statfs64
338 PTR compat_sys_fstatfs64
339 PTR sys_sendfile64
340 PTR sys_timer_create /* 6220 */
341 PTR sys_timer_settime
342 PTR sys_timer_gettime
343 PTR sys_timer_getoverrun
344 PTR sys_timer_delete
345 PTR sys_clock_settime /* 6225 */
346 PTR sys_clock_gettime
347 PTR sys_clock_getres
348 PTR sys_clock_nanosleep
349 PTR sys_tgkill
350 PTR compat_sys_utimes /* 6230 */
351 PTR sys_ni_syscall /* sys_mbind */
352 PTR sys_ni_syscall /* sys_get_mempolicy */
353 PTR sys_ni_syscall /* sys_set_mempolicy */
354 PTR compat_sys_mq_open
355 PTR sys_mq_unlink /* 6235 */
356 PTR compat_sys_mq_timedsend
357 PTR compat_sys_mq_timedreceive
358 PTR compat_sys_mq_notify
359 PTR compat_sys_mq_getsetattr
360 PTR sys_ni_syscall /* 6240, sys_vserver */
361 PTR sys_waitid
362 PTR sys_ni_syscall /* available, was setaltroot */
363 PTR sys_add_key
364 PTR sys_request_key
365 PTR sys_keyctl /* 6245 */
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-19 03:05:44 -0500