projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | */ | |
| 1da177e4 LT |
10 | #include <linux/errno.h> |
| 11 | #include <asm/asm.h> | |
| 12 | #include <asm/asmmacro.h> | |
| 192ef366 | 13 | #include <asm/irqflags.h> |
| 1da177e4 LT |
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 | |
| 32 | NESTED(handle_sysn32, PT_SIZE, sp) | |
| 33 | #ifndef CONFIG_MIPS32_O32 | |
| 34 | .set noat | |
| 35 | SAVE_SOME | |
| eae6c0da | 36 | TRACE_IRQS_ON_RELOAD |
| 1da177e4 LT |
37 | STI |
| 38 | .set at | |
| 39 | #endif | |
| 40 | ||
| 41 | dsubu t0, v0, __NR_N32_Linux # check syscall number | |
| 42 | sltiu t0, t0, __NR_N32_Linux_syscalls + 1 | |
| 43 | ||
| 44 | #ifndef CONFIG_MIPS32_O32 | |
| 45 | ld t1, PT_EPC(sp) # skip syscall on return | |
| 46 | daddiu t1, 4 # skip to next instruction | |
| 47 | sd t1, PT_EPC(sp) | |
| 48 | #endif | |
| 49 | beqz t0, not_n32_scall | |
| 50 | ||
| 51 | dsll t0, v0, 3 # offset into table | |
| 52 | ld t2, (sysn32_call_table - (__NR_N32_Linux * 8))(t0) | |
| 53 | ||
| 54 | sd a3, PT_R26(sp) # save a3 for syscall restarting | |
| 55 | ||
| 56 | li t1, _TIF_SYSCALL_TRACE | _TIF_SYSCALL_AUDIT | |
| 57 | LONG_L t0, TI_FLAGS($28) # syscall tracing enabled? | |
| 58 | and t0, t1, t0 | |
| 59 | bnez t0, n32_syscall_trace_entry | |
| 60 | ||
| 61 | jalr t2 # Do The Real Thing (TM) | |
| 62 | ||
| 63 | li t0, -EMAXERRNO - 1 # error? | |
| 64 | sltu t0, t0, v0 | |
| 65 | sd t0, PT_R7(sp) # set error flag | |
| 66 | beqz t0, 1f | |
| 67 | ||
| 68 | dnegu v0 # error | |
| 69 | sd v0, PT_R0(sp) # set flag for syscall restarting | |
| 70 | 1: sd v0, PT_R2(sp) # result | |
| 71 | ||
| 72 | local_irq_disable # make sure need_resched and | |
| 73 | # signals dont change between | |
| 74 | # sampling and return | |
| 75 | LONG_L a2, TI_FLAGS($28) # current->work | |
| 76 | li t0, _TIF_ALLWORK_MASK | |
| 77 | and t0, a2, t0 | |
| 78 | bnez t0, n32_syscall_exit_work | |
| 79 | ||
| 80 | j restore_partial | |
| 81 | ||
| 82 | n32_syscall_exit_work: | |
| 83 | j syscall_exit_work_partial | |
| 84 | ||
| 85 | /* ------------------------------------------------------------------------ */ | |
| 86 | ||
| 87 | n32_syscall_trace_entry: | |
| 88 | SAVE_STATIC | |
| 89 | move s0, t2 | |
| 90 | move a0, sp | |
| 91 | li a1, 0 | |
| 92 | jal do_syscall_trace | |
| 93 | ||
| 04a7052c RB |
94 | move t0, s0 |
| 95 | RESTORE_STATIC | |
| 1da177e4 LT |
96 | ld a0, PT_R4(sp) # Restore argument registers |
| 97 | ld a1, PT_R5(sp) | |
| 98 | ld a2, PT_R6(sp) | |
| 99 | ld a3, PT_R7(sp) | |
| 100 | ld a4, PT_R8(sp) | |
| 101 | ld a5, PT_R9(sp) | |
| 04a7052c | 102 | jalr t0 |
| 1da177e4 LT |
103 | |
| 104 | li t0, -EMAXERRNO - 1 # error? | |
| 105 | sltu t0, t0, v0 | |
| 106 | sd t0, PT_R7(sp) # set error flag | |
| 107 | beqz t0, 1f | |
| 108 | ||
| 109 | dnegu v0 # error | |
| 110 | sd v0, PT_R0(sp) # set flag for syscall restarting | |
| 111 | 1: sd v0, PT_R2(sp) # result | |
| 112 | ||
| 113 | j syscall_exit | |
| 114 | ||
| 115 | not_n32_scall: | |
| 116 | /* This is not an n32 compatibility syscall, pass it on to | |
| 117 | the n64 syscall handlers. */ | |
| 118 | j handle_sys64 | |
| 119 | ||
| 120 | END(handle_sysn32) | |
| 121 | ||
| 122 | EXPORT(sysn32_call_table) | |
| 123 | PTR sys_read /* 6000 */ | |
| 124 | PTR sys_write | |
| 125 | PTR sys_open | |
| 126 | PTR sys_close | |
| 127 | PTR sys_newstat | |
| 128 | PTR sys_newfstat /* 6005 */ | |
| 129 | PTR sys_newlstat | |
| 130 | PTR sys_poll | |
| 131 | PTR sys_lseek | |
| 132 | PTR old_mmap | |
| 133 | PTR sys_mprotect /* 6010 */ | |
| 134 | PTR sys_munmap | |
| 135 | PTR sys_brk | |
| 136 | PTR sys32_rt_sigaction | |
| 137 | PTR sys32_rt_sigprocmask | |
| 138 | PTR compat_sys_ioctl /* 6015 */ | |
| 139 | PTR sys_pread64 | |
| 140 | PTR sys_pwrite64 | |
| 141 | PTR compat_sys_readv | |
| 142 | PTR compat_sys_writev | |
| 143 | PTR sys_access /* 6020 */ | |
| 144 | PTR sys_pipe | |
| 145 | PTR compat_sys_select | |
| 146 | PTR sys_sched_yield | |
| 147 | PTR sys_mremap | |
| 148 | PTR sys_msync /* 6025 */ | |
| 149 | PTR sys_mincore | |
| 150 | PTR sys_madvise | |
| 151 | PTR sys_shmget | |
| 152 | PTR sys32_shmat | |
| 153 | PTR sys_shmctl /* 6030 */ | |
| 154 | PTR sys_dup | |
| 155 | PTR sys_dup2 | |
| 156 | PTR sys_pause | |
| 157 | PTR compat_sys_nanosleep | |
| 158 | PTR compat_sys_getitimer /* 6035 */ | |
| 159 | PTR compat_sys_setitimer | |
| 160 | PTR sys_alarm | |
| 161 | PTR sys_getpid | |
| 162 | PTR sys32_sendfile | |
| 163 | PTR sys_socket /* 6040 */ | |
| 164 | PTR sys_connect | |
| 165 | PTR sys_accept | |
| 166 | PTR sys_sendto | |
| 167 | PTR sys_recvfrom | |
| 168 | PTR compat_sys_sendmsg /* 6045 */ | |
| 169 | PTR compat_sys_recvmsg | |
| 170 | PTR sys_shutdown | |
| 171 | PTR sys_bind | |
| 172 | PTR sys_listen | |
| 173 | PTR sys_getsockname /* 6050 */ | |
| 174 | PTR sys_getpeername | |
| 175 | PTR sys_socketpair | |
| 176 | PTR compat_sys_setsockopt | |
| 177 | PTR sys_getsockopt | |
| 178 | PTR sys_clone /* 6055 */ | |
| 179 | PTR sys_fork | |
| 180 | PTR sys32_execve | |
| 181 | PTR sys_exit | |
| b6e203d8 | 182 | PTR compat_sys_wait4 |
| 1da177e4 LT |
183 | PTR sys_kill /* 6060 */ |
| 184 | PTR sys32_newuname | |
| 185 | PTR sys_semget | |
| 186 | PTR sys_semop | |
| 187 | PTR sys_semctl | |
| 188 | PTR sys_shmdt /* 6065 */ | |
| 189 | PTR sys_msgget | |
| 190 | PTR sys_msgsnd | |
| 191 | PTR sys_msgrcv | |
| 192 | PTR sys_msgctl | |
| 193 | PTR compat_sys_fcntl /* 6070 */ | |
| 194 | PTR sys_flock | |
| 195 | PTR sys_fsync | |
| 196 | PTR sys_fdatasync | |
| 197 | PTR sys_truncate | |
| 198 | PTR sys_ftruncate /* 6075 */ | |
| 2fd628fe | 199 | PTR compat_sys_getdents |
| 1da177e4 LT |
200 | PTR sys_getcwd |
| 201 | PTR sys_chdir | |
| 202 | PTR sys_fchdir | |
| 203 | PTR sys_rename /* 6080 */ | |
| 204 | PTR sys_mkdir | |
| 205 | PTR sys_rmdir | |
| 206 | PTR sys_creat | |
| 207 | PTR sys_link | |
| 208 | PTR sys_unlink /* 6085 */ | |
| 209 | PTR sys_symlink | |
| 210 | PTR sys_readlink | |
| 211 | PTR sys_chmod | |
| 212 | PTR sys_fchmod | |
| 213 | PTR sys_chown /* 6090 */ | |
| 214 | PTR sys_fchown | |
| 215 | PTR sys_lchown | |
| 216 | PTR sys_umask | |
| 217 | PTR sys32_gettimeofday | |
| 218 | PTR compat_sys_getrlimit /* 6095 */ | |
| 219 | PTR compat_sys_getrusage | |
| 220 | PTR sys32_sysinfo | |
| 221 | PTR compat_sys_times | |
| ea3d710f | 222 | PTR sys32_ptrace |
| 1da177e4 LT |
223 | PTR sys_getuid /* 6100 */ |
| 224 | PTR sys_syslog | |
| 225 | PTR sys_getgid | |
| 226 | PTR sys_setuid | |
| 227 | PTR sys_setgid | |
| 228 | PTR sys_geteuid /* 6105 */ | |
| 229 | PTR sys_getegid | |
| 230 | PTR sys_setpgid | |
| 231 | PTR sys_getppid | |
| 232 | PTR sys_getpgrp | |
| 233 | PTR sys_setsid /* 6110 */ | |
| 234 | PTR sys_setreuid | |
| 235 | PTR sys_setregid | |
| 236 | PTR sys_getgroups | |
| 237 | PTR sys_setgroups | |
| 238 | PTR sys_setresuid /* 6115 */ | |
| 239 | PTR sys_getresuid | |
| 240 | PTR sys_setresgid | |
| 241 | PTR sys_getresgid | |
| 242 | PTR sys_getpgid | |
| 243 | PTR sys_setfsuid /* 6120 */ | |
| 244 | PTR sys_setfsgid | |
| 245 | PTR sys_getsid | |
| 246 | PTR sys_capget | |
| 247 | PTR sys_capset | |
| 248 | PTR sys32_rt_sigpending /* 6125 */ | |
| 82ad93f4 | 249 | PTR compat_sys_rt_sigtimedwait |
| 1b4ee40a | 250 | PTR sys32_rt_sigqueueinfo |
| 82ad93f4 | 251 | PTR sysn32_rt_sigsuspend |
| 1da177e4 LT |
252 | PTR sys32_sigaltstack |
| 253 | PTR compat_sys_utime /* 6130 */ | |
| 254 | PTR sys_mknod | |
| 255 | PTR sys32_personality | |
| cce812c9 | 256 | PTR sys32_ustat |
| 1da177e4 LT |
257 | PTR compat_sys_statfs |
| 258 | PTR compat_sys_fstatfs /* 6135 */ | |
| 259 | PTR sys_sysfs | |
| 260 | PTR sys_getpriority | |
| 261 | PTR sys_setpriority | |
| 262 | PTR sys_sched_setparam | |
| 263 | PTR sys_sched_getparam /* 6140 */ | |
| 264 | PTR sys_sched_setscheduler | |
| 265 | PTR sys_sched_getscheduler | |
| 266 | PTR sys_sched_get_priority_max | |
| 267 | PTR sys_sched_get_priority_min | |
| 268 | PTR sys32_sched_rr_get_interval /* 6145 */ | |
| 269 | PTR sys_mlock | |
| 270 | PTR sys_munlock | |
| 271 | PTR sys_mlockall | |
| 272 | PTR sys_munlockall | |
| 273 | PTR sys_vhangup /* 6150 */ | |
| 274 | PTR sys_pivot_root | |
| 275 | PTR sys32_sysctl | |
| 276 | PTR sys_prctl | |
| 3158e941 | 277 | PTR compat_sys_adjtimex |
| 1da177e4 LT |
278 | PTR compat_sys_setrlimit /* 6155 */ |
| 279 | PTR sys_chroot | |
| 280 | PTR sys_sync | |
| 281 | PTR sys_acct | |
| 282 | PTR sys32_settimeofday | |
| 089c7e7f | 283 | PTR compat_sys_mount /* 6160 */ |
| 1da177e4 LT |
284 | PTR sys_umount |
| 285 | PTR sys_swapon | |
| 286 | PTR sys_swapoff | |
| 287 | PTR sys_reboot | |
| 288 | PTR sys_sethostname /* 6165 */ | |
| 289 | PTR sys_setdomainname | |
| 290 | PTR sys_ni_syscall /* was create_module */ | |
| 291 | PTR sys_init_module | |
| 292 | PTR sys_delete_module | |
| 293 | PTR sys_ni_syscall /* 6170, was get_kernel_syms */ | |
| 294 | PTR sys_ni_syscall /* was query_module */ | |
| 295 | PTR sys_quotactl | |
| 296 | PTR sys_nfsservctl | |
| 297 | PTR sys_ni_syscall /* res. for getpmsg */ | |
| 298 | PTR sys_ni_syscall /* 6175 for putpmsg */ | |
| 299 | PTR sys_ni_syscall /* res. for afs_syscall */ | |
| 300 | PTR sys_ni_syscall /* res. for security */ | |
| 301 | PTR sys_gettid | |
| 302 | PTR sys32_readahead | |
| 303 | PTR sys_setxattr /* 6180 */ | |
| 304 | PTR sys_lsetxattr | |
| 305 | PTR sys_fsetxattr | |
| 306 | PTR sys_getxattr | |
| 307 | PTR sys_lgetxattr | |
| 308 | PTR sys_fgetxattr /* 6185 */ | |
| 309 | PTR sys_listxattr | |
| 310 | PTR sys_llistxattr | |
| 311 | PTR sys_flistxattr | |
| 312 | PTR sys_removexattr | |
| 313 | PTR sys_lremovexattr /* 6190 */ | |
| 314 | PTR sys_fremovexattr | |
| 315 | PTR sys_tkill | |
| 316 | PTR sys_ni_syscall | |
| 317 | PTR compat_sys_futex | |
| 318 | PTR compat_sys_sched_setaffinity /* 6195 */ | |
| 319 | PTR compat_sys_sched_getaffinity | |
| 320 | PTR sys_cacheflush | |
| 321 | PTR sys_cachectl | |
| 322 | PTR sys_sysmips | |
| 323 | PTR sys_io_setup /* 6200 */ | |
| 324 | PTR sys_io_destroy | |
| 325 | PTR sys_io_getevents | |
| 326 | PTR sys_io_submit | |
| 327 | PTR sys_io_cancel | |
| 328 | PTR sys_exit_group /* 6205 */ | |
| 329 | PTR sys_lookup_dcookie | |
| 330 | PTR sys_epoll_create | |
| 331 | PTR sys_epoll_ctl | |
| 332 | PTR sys_epoll_wait | |
| 333 | PTR sys_remap_file_pages /* 6210 */ | |
| 334 | PTR sysn32_rt_sigreturn | |
| 589391a0 | 335 | PTR compat_sys_fcntl64 |
| 1da177e4 LT |
336 | PTR sys_set_tid_address |
| 337 | PTR sys_restart_syscall | |
| 338 | PTR sys_semtimedop /* 6215 */ | |
| 339 | PTR sys_fadvise64_64 | |
| 340 | PTR compat_sys_statfs64 | |
| 341 | PTR compat_sys_fstatfs64 | |
| 342 | PTR sys_sendfile64 | |
| d1abb6a2 RB |
343 | PTR sys32_timer_create /* 6220 */ |
| 344 | PTR compat_sys_timer_settime | |
| 345 | PTR compat_sys_timer_gettime | |
| 1da177e4 LT |
346 | PTR sys_timer_getoverrun |
| 347 | PTR sys_timer_delete | |
| d1abb6a2 RB |
348 | PTR compat_sys_clock_settime /* 6225 */ |
| 349 | PTR compat_sys_clock_gettime | |
| 350 | PTR compat_sys_clock_getres | |
| 351 | PTR compat_sys_clock_nanosleep | |
| 1da177e4 LT |
352 | PTR sys_tgkill |
| 353 | PTR compat_sys_utimes /* 6230 */ | |
| 354 | PTR sys_ni_syscall /* sys_mbind */ | |
| 355 | PTR sys_ni_syscall /* sys_get_mempolicy */ | |
| 356 | PTR sys_ni_syscall /* sys_set_mempolicy */ | |
| 357 | PTR compat_sys_mq_open | |
| 358 | PTR sys_mq_unlink /* 6235 */ | |
| 359 | PTR compat_sys_mq_timedsend | |
| 360 | PTR compat_sys_mq_timedreceive | |
| 361 | PTR compat_sys_mq_notify | |
| 362 | PTR compat_sys_mq_getsetattr | |
| 363 | PTR sys_ni_syscall /* 6240, sys_vserver */ | |
| 54f2da75 | 364 | PTR sysn32_waitid |
| 1da177e4 LT |
365 | PTR sys_ni_syscall /* available, was setaltroot */ |
| 366 | PTR sys_add_key | |
| 367 | PTR sys_request_key | |
| 368 | PTR sys_keyctl /* 6245 */ | |
| 3c37026d | 369 | PTR sys_set_thread_area |
| 8d9c6267 RB |
370 | PTR sys_inotify_init |
| 371 | PTR sys_inotify_add_watch | |
| 372 | PTR sys_inotify_rm_watch | |
| 72bf8914 RB |
373 | PTR sys_migrate_pages /* 6250 */ |
| 374 | PTR sys_openat | |
| 375 | PTR sys_mkdirat | |
| 376 | PTR sys_mknodat | |
| 377 | PTR sys_fchownat | |
| 378 | PTR sys_futimesat /* 6255 */ | |
| 379 | PTR sys_newfstatat | |
| 380 | PTR sys_unlinkat | |
| 381 | PTR sys_renameat | |
| 382 | PTR sys_linkat | |
| 383 | PTR sys_symlinkat /* 6260 */ | |
| 384 | PTR sys_readlinkat | |
| 385 | PTR sys_fchmodat | |
| 386 | PTR sys_faccessat | |
| 387 | PTR sys_pselect6 | |
| 388 | PTR sys_ppoll /* 6265 */ | |
| 389 | PTR sys_unshare | |
| f115da9c | 390 | PTR sys_splice |
| a8d587a7 | 391 | PTR sys_sync_file_range |
| 136d47d3 | 392 | PTR sys_tee |
| 7fdeb048 | 393 | PTR sys_vmsplice /* 6270 */ |
| 722cfd90 | 394 | PTR sys_move_pages |
| 7fdeb048 AN |
395 | PTR compat_sys_set_robust_list |
| 396 | PTR compat_sys_get_robust_list |