Revision eda52953
| b/linux-user/main.c | ||
|---|---|---|
| 808 | 808 |
|
| 809 | 809 |
static void restore_window(CPUSPARCState *env) |
| 810 | 810 |
{
|
| 811 |
unsigned int new_wim, i, cwp1; |
|
| 811 |
#ifndef TARGET_SPARC64 |
|
| 812 |
unsigned int new_wim; |
|
| 813 |
#endif |
|
| 814 |
unsigned int i, cwp1; |
|
| 812 | 815 |
abi_ulong sp_ptr; |
| 813 | 816 |
|
| 817 |
#ifndef TARGET_SPARC64 |
|
| 814 | 818 |
new_wim = ((env->wim << 1) | (env->wim >> (env->nwindows - 1))) & |
| 815 | 819 |
((1LL << env->nwindows) - 1); |
| 820 |
#endif |
|
| 816 | 821 |
|
| 817 | 822 |
/* restore the invalid window */ |
| 818 | 823 |
cwp1 = cpu_cwp_inc(env, env->cwp + 1); |
| ... | ... | |
| 826 | 831 |
get_user_ual(env->regbase[get_reg_index(env, cwp1, 8 + i)], sp_ptr); |
| 827 | 832 |
sp_ptr += sizeof(abi_ulong); |
| 828 | 833 |
} |
| 829 |
env->wim = new_wim; |
|
| 830 | 834 |
#ifdef TARGET_SPARC64 |
| 831 | 835 |
env->canrestore++; |
| 832 | 836 |
if (env->cleanwin < env->nwindows - 1) |
| 833 | 837 |
env->cleanwin++; |
| 834 | 838 |
env->cansave--; |
| 839 |
#else |
|
| 840 |
env->wim = new_wim; |
|
| 835 | 841 |
#endif |
| 836 | 842 |
} |
| 837 | 843 |
|
| ... | ... | |
| 843 | 849 |
for(;;) {
|
| 844 | 850 |
/* if restore would invoke restore_window(), then we can stop */ |
| 845 | 851 |
cwp1 = cpu_cwp_inc(env, env->cwp + offset); |
| 852 |
#ifndef TARGET_SPARC64 |
|
| 846 | 853 |
if (env->wim & (1 << cwp1)) |
| 847 | 854 |
break; |
| 855 |
#else |
|
| 856 |
if (env->canrestore == 0) |
|
| 857 |
break; |
|
| 858 |
env->cansave++; |
|
| 859 |
env->canrestore--; |
|
| 860 |
#endif |
|
| 848 | 861 |
save_window_offset(env, cwp1); |
| 849 | 862 |
offset++; |
| 850 | 863 |
} |
| 851 |
/* set wim so that restore will reload the registers */ |
|
| 852 | 864 |
cwp1 = cpu_cwp_inc(env, env->cwp + 1); |
| 865 |
#ifndef TARGET_SPARC64 |
|
| 866 |
/* set wim so that restore will reload the registers */ |
|
| 853 | 867 |
env->wim = 1 << cwp1; |
| 868 |
#endif |
|
| 854 | 869 |
#if defined(DEBUG_WIN) |
| 855 | 870 |
printf("flush_windows: nb=%d\n", offset - 1);
|
| 856 | 871 |
#endif |
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