Revision 9e0e2f96
| b/linux-user/main.c | ||
|---|---|---|
| 1341 | 1341 |
{
|
| 1342 | 1342 |
target_siginfo_t info; |
| 1343 | 1343 |
int trapnr; |
| 1344 |
uint32_t ret;
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|
| 1344 |
target_ulong ret;
|
|
| 1345 | 1345 |
|
| 1346 | 1346 |
for(;;) {
|
| 1347 | 1347 |
cpu_exec_start(env); |
| ... | ... | |
| 1704 | 1704 |
* PPC ABI uses overflow flag in cr0 to signal an error |
| 1705 | 1705 |
* in syscalls. |
| 1706 | 1706 |
*/ |
| 1707 |
#if 0 |
|
| 1708 |
printf("syscall %d 0x%08x 0x%08x 0x%08x 0x%08x\n", env->gpr[0],
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|
| 1709 |
env->gpr[3], env->gpr[4], env->gpr[5], env->gpr[6]); |
|
| 1710 |
#endif |
|
| 1711 | 1707 |
env->crf[0] &= ~0x1; |
| 1712 | 1708 |
ret = do_syscall(env, env->gpr[0], env->gpr[3], env->gpr[4], |
| 1713 | 1709 |
env->gpr[5], env->gpr[6], env->gpr[7], |
| 1714 | 1710 |
env->gpr[8], 0, 0); |
| 1715 |
if (ret == (uint32_t)(-TARGET_QEMU_ESIGRETURN)) {
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|
| 1711 |
if (ret == (target_ulong)(-TARGET_QEMU_ESIGRETURN)) {
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|
| 1716 | 1712 |
/* Returning from a successful sigreturn syscall. |
| 1717 | 1713 |
Avoid corrupting register state. */ |
| 1718 | 1714 |
break; |
| 1719 | 1715 |
} |
| 1720 |
if (ret > (uint32_t)(-515)) {
|
|
| 1716 |
if (ret > (target_ulong)(-515)) {
|
|
| 1721 | 1717 |
env->crf[0] |= 0x1; |
| 1722 | 1718 |
ret = -ret; |
| 1723 | 1719 |
} |
| 1724 | 1720 |
env->gpr[3] = ret; |
| 1725 |
#if 0 |
|
| 1726 |
printf("syscall returned 0x%08x (%d)\n", ret, ret);
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|
| 1727 |
#endif |
|
| 1728 | 1721 |
break; |
| 1729 | 1722 |
case POWERPC_EXCP_STCX: |
| 1730 | 1723 |
if (do_store_exclusive(env)) {
|
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