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MIPS linux-user update.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@2810 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
ths 2007-05-13 13:58:00 +00:00
parent 29929e3490
commit 388bb21af6
6 changed files with 321 additions and 261 deletions
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104
linux-user/main.c
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@ -1312,9 +1312,41 @@ static const uint8_t mips_syscall_args[] = {
MIPS_SYS(sys_waitid , 4)
MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */
MIPS_SYS(sys_add_key , 5)
MIPS_SYS(sys_request_key , 4)
MIPS_SYS(sys_request_key, 4)
MIPS_SYS(sys_keyctl , 5)
MIPS_SYS(sys_set_thread_area, 1)
MIPS_SYS(sys_inotify_init, 0)
MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */
MIPS_SYS(sys_inotify_rm_watch, 2)
MIPS_SYS(sys_migrate_pages, 4)
MIPS_SYS(sys_openat, 4)
MIPS_SYS(sys_mkdirat, 3)
MIPS_SYS(sys_mknodat, 4) /* 4290 */
MIPS_SYS(sys_fchownat, 5)
MIPS_SYS(sys_futimesat, 3)
MIPS_SYS(sys_fstatat64, 4)
MIPS_SYS(sys_unlinkat, 3)
MIPS_SYS(sys_renameat, 4) /* 4295 */
MIPS_SYS(sys_linkat, 5)
MIPS_SYS(sys_symlinkat, 3)
MIPS_SYS(sys_readlinkat, 4)
MIPS_SYS(sys_fchmodat, 3)
MIPS_SYS(sys_faccessat, 3) /* 4300 */
MIPS_SYS(sys_pselect6, 6)
MIPS_SYS(sys_ppoll, 5)
MIPS_SYS(sys_unshare, 1)
MIPS_SYS(sys_splice, 4)
MIPS_SYS(sys_sync_file_range, 7) /* 4305 */
MIPS_SYS(sys_tee, 4)
MIPS_SYS(sys_vmsplice, 4)
MIPS_SYS(sys_move_pages, 6)
MIPS_SYS(sys_set_robust_list, 2)
MIPS_SYS(sys_get_robust_list, 3) /* 4310 */
MIPS_SYS(sys_kexec_load, 4)
MIPS_SYS(sys_getcpu, 3)
MIPS_SYS(sys_epoll_pwait, 6)
MIPS_SYS(sys_ioprio_set, 3)
MIPS_SYS(sys_ioprio_get, 2)
};
#undef MIPS_SYS
@ -1322,53 +1354,45 @@ static const uint8_t mips_syscall_args[] = {
void cpu_loop(CPUMIPSState *env)
{
target_siginfo_t info;
int trapnr, ret, nb_args;
int trapnr, ret;
unsigned int syscall_num;
target_ulong arg5, arg6, sp_reg;
for(;;) {
trapnr = cpu_mips_exec(env);
switch(trapnr) {
case EXCP_SYSCALL:
{
syscall_num = env->gpr[2] - 4000;
env->PC += 4;
if (syscall_num >= sizeof(mips_syscall_args)) {
ret = -ENOSYS;
} else {
nb_args = mips_syscall_args[syscall_num];
if (nb_args >= 5) {
sp_reg = env->gpr[29];
/* these arguments are taken from the stack */
arg5 = tgetl(sp_reg + 16);
if (nb_args >= 6) {
arg6 = tgetl(sp_reg + 20);
} else {
arg6 = 0;
}
} else {
arg5 = 0;
arg6 = 0;
}
ret = do_syscall(env,
env->gpr[2],
env->gpr[4],
env->gpr[5],
env->gpr[6],
env->gpr[7],
arg5,
arg6);
}
if ((unsigned int)ret >= (unsigned int)(-1133)) {
env->gpr[7] = 1; /* error flag */
ret = -ret;
env->gpr[0] = ret;
env->gpr[2] = ret;
} else {
env->gpr[7] = 0; /* error flag */
env->gpr[2] = ret;
syscall_num = env->gpr[2] - 4000;
env->PC += 4;
if (syscall_num >= sizeof(mips_syscall_args)) {
ret = -ENOSYS;
} else {
int nb_args;
target_ulong sp_reg;
target_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0;
nb_args = mips_syscall_args[syscall_num];
sp_reg = env->gpr[29];
switch (nb_args) {
/* these arguments are taken from the stack */
case 8: arg8 = tgetl(sp_reg + 28);
case 7: arg7 = tgetl(sp_reg + 24);
case 6: arg6 = tgetl(sp_reg + 20);
case 5: arg5 = tgetl(sp_reg + 16);
default:
break;
}
ret = do_syscall(env, env->gpr[2],
env->gpr[4], env->gpr[5],
env->gpr[6], env->gpr[7],
arg5, arg6/*, arg7, arg8*/);
}
if ((unsigned int)ret >= (unsigned int)(-1133)) {
env->gpr[7] = 1; /* error flag */
ret = -ret;
} else {
env->gpr[7] = 0; /* error flag */
}
env->gpr[2] = ret;
break;
case EXCP_TLBL:
case EXCP_TLBS: