Revision 388bb21a linux-user/main.c
| b/linux-user/main.c | ||
|---|---|---|
| 1312 | 1312 |
MIPS_SYS(sys_waitid , 4) |
| 1313 | 1313 |
MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ |
| 1314 | 1314 |
MIPS_SYS(sys_add_key , 5) |
| 1315 |
MIPS_SYS(sys_request_key , 4)
|
|
| 1315 |
MIPS_SYS(sys_request_key, 4) |
|
| 1316 | 1316 |
MIPS_SYS(sys_keyctl , 5) |
| 1317 | 1317 |
MIPS_SYS(sys_set_thread_area, 1) |
| 1318 |
MIPS_SYS(sys_inotify_init, 0) |
|
| 1319 |
MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ |
|
| 1320 |
MIPS_SYS(sys_inotify_rm_watch, 2) |
|
| 1321 |
MIPS_SYS(sys_migrate_pages, 4) |
|
| 1322 |
MIPS_SYS(sys_openat, 4) |
|
| 1323 |
MIPS_SYS(sys_mkdirat, 3) |
|
| 1324 |
MIPS_SYS(sys_mknodat, 4) /* 4290 */ |
|
| 1325 |
MIPS_SYS(sys_fchownat, 5) |
|
| 1326 |
MIPS_SYS(sys_futimesat, 3) |
|
| 1327 |
MIPS_SYS(sys_fstatat64, 4) |
|
| 1328 |
MIPS_SYS(sys_unlinkat, 3) |
|
| 1329 |
MIPS_SYS(sys_renameat, 4) /* 4295 */ |
|
| 1330 |
MIPS_SYS(sys_linkat, 5) |
|
| 1331 |
MIPS_SYS(sys_symlinkat, 3) |
|
| 1332 |
MIPS_SYS(sys_readlinkat, 4) |
|
| 1333 |
MIPS_SYS(sys_fchmodat, 3) |
|
| 1334 |
MIPS_SYS(sys_faccessat, 3) /* 4300 */ |
|
| 1335 |
MIPS_SYS(sys_pselect6, 6) |
|
| 1336 |
MIPS_SYS(sys_ppoll, 5) |
|
| 1337 |
MIPS_SYS(sys_unshare, 1) |
|
| 1338 |
MIPS_SYS(sys_splice, 4) |
|
| 1339 |
MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ |
|
| 1340 |
MIPS_SYS(sys_tee, 4) |
|
| 1341 |
MIPS_SYS(sys_vmsplice, 4) |
|
| 1342 |
MIPS_SYS(sys_move_pages, 6) |
|
| 1343 |
MIPS_SYS(sys_set_robust_list, 2) |
|
| 1344 |
MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ |
|
| 1345 |
MIPS_SYS(sys_kexec_load, 4) |
|
| 1346 |
MIPS_SYS(sys_getcpu, 3) |
|
| 1347 |
MIPS_SYS(sys_epoll_pwait, 6) |
|
| 1348 |
MIPS_SYS(sys_ioprio_set, 3) |
|
| 1349 |
MIPS_SYS(sys_ioprio_get, 2) |
|
| 1318 | 1350 |
}; |
| 1319 | 1351 |
|
| 1320 | 1352 |
#undef MIPS_SYS |
| ... | ... | |
| 1322 | 1354 |
void cpu_loop(CPUMIPSState *env) |
| 1323 | 1355 |
{
|
| 1324 | 1356 |
target_siginfo_t info; |
| 1325 |
int trapnr, ret, nb_args;
|
|
| 1357 |
int trapnr, ret; |
|
| 1326 | 1358 |
unsigned int syscall_num; |
| 1327 |
target_ulong arg5, arg6, sp_reg; |
|
| 1328 | 1359 |
|
| 1329 | 1360 |
for(;;) {
|
| 1330 | 1361 |
trapnr = cpu_mips_exec(env); |
| 1331 | 1362 |
switch(trapnr) {
|
| 1332 | 1363 |
case EXCP_SYSCALL: |
| 1333 |
{
|
|
| 1334 |
syscall_num = env->gpr[2] - 4000; |
|
| 1335 |
env->PC += 4; |
|
| 1336 |
if (syscall_num >= sizeof(mips_syscall_args)) {
|
|
| 1337 |
ret = -ENOSYS; |
|
| 1338 |
} else {
|
|
| 1339 |
nb_args = mips_syscall_args[syscall_num]; |
|
| 1340 |
if (nb_args >= 5) {
|
|
| 1341 |
sp_reg = env->gpr[29]; |
|
| 1342 |
/* these arguments are taken from the stack */ |
|
| 1343 |
arg5 = tgetl(sp_reg + 16); |
|
| 1344 |
if (nb_args >= 6) {
|
|
| 1345 |
arg6 = tgetl(sp_reg + 20); |
|
| 1346 |
} else {
|
|
| 1347 |
arg6 = 0; |
|
| 1348 |
} |
|
| 1349 |
} else {
|
|
| 1350 |
arg5 = 0; |
|
| 1351 |
arg6 = 0; |
|
| 1352 |
} |
|
| 1353 |
ret = do_syscall(env, |
|
| 1354 |
env->gpr[2], |
|
| 1355 |
env->gpr[4], |
|
| 1356 |
env->gpr[5], |
|
| 1357 |
env->gpr[6], |
|
| 1358 |
env->gpr[7], |
|
| 1359 |
arg5, |
|
| 1360 |
arg6); |
|
| 1361 |
} |
|
| 1362 |
if ((unsigned int)ret >= (unsigned int)(-1133)) {
|
|
| 1363 |
env->gpr[7] = 1; /* error flag */ |
|
| 1364 |
ret = -ret; |
|
| 1365 |
env->gpr[0] = ret; |
|
| 1366 |
env->gpr[2] = ret; |
|
| 1367 |
} else {
|
|
| 1368 |
env->gpr[7] = 0; /* error flag */ |
|
| 1369 |
env->gpr[2] = ret; |
|
| 1364 |
syscall_num = env->gpr[2] - 4000; |
|
| 1365 |
env->PC += 4; |
|
| 1366 |
if (syscall_num >= sizeof(mips_syscall_args)) {
|
|
| 1367 |
ret = -ENOSYS; |
|
| 1368 |
} else {
|
|
| 1369 |
int nb_args; |
|
| 1370 |
target_ulong sp_reg; |
|
| 1371 |
target_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; |
|
| 1372 |
|
|
| 1373 |
nb_args = mips_syscall_args[syscall_num]; |
|
| 1374 |
sp_reg = env->gpr[29]; |
|
| 1375 |
switch (nb_args) {
|
|
| 1376 |
/* these arguments are taken from the stack */ |
|
| 1377 |
case 8: arg8 = tgetl(sp_reg + 28); |
|
| 1378 |
case 7: arg7 = tgetl(sp_reg + 24); |
|
| 1379 |
case 6: arg6 = tgetl(sp_reg + 20); |
|
| 1380 |
case 5: arg5 = tgetl(sp_reg + 16); |
|
| 1381 |
default: |
|
| 1382 |
break; |
|
| 1370 | 1383 |
} |
| 1384 |
ret = do_syscall(env, env->gpr[2], |
|
| 1385 |
env->gpr[4], env->gpr[5], |
|
| 1386 |
env->gpr[6], env->gpr[7], |
|
| 1387 |
arg5, arg6/*, arg7, arg8*/); |
|
| 1388 |
} |
|
| 1389 |
if ((unsigned int)ret >= (unsigned int)(-1133)) {
|
|
| 1390 |
env->gpr[7] = 1; /* error flag */ |
|
| 1391 |
ret = -ret; |
|
| 1392 |
} else {
|
|
| 1393 |
env->gpr[7] = 0; /* error flag */ |
|
| 1371 | 1394 |
} |
| 1395 |
env->gpr[2] = ret; |
|
| 1372 | 1396 |
break; |
| 1373 | 1397 |
case EXCP_TLBL: |
| 1374 | 1398 |
case EXCP_TLBS: |
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