diff options
Diffstat (limited to 'emulators/qemu/files/patch-target-i386-translate.c')
| -rw-r--r-- | emulators/qemu/files/patch-target-i386-translate.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/emulators/qemu/files/patch-target-i386-translate.c b/emulators/qemu/files/patch-target-i386-translate.c new file mode 100644 index 000000000000..5c9be22401f7 --- /dev/null +++ b/emulators/qemu/files/patch-target-i386-translate.c @@ -0,0 +1,29 @@ +# 1.53 +Index: qemu/target-i386/translate.c +@@ -5803,14 +5803,24 @@ + op = (modrm >> 3) & 7; + switch(op) { + case 0: /* fxsave */ +- if (mod == 3 || !(s->cpuid_features & CPUID_FXSR)) ++ if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || ++ (s->flags & HF_EM_MASK)) + goto illegal_op; ++ if (s->flags & HF_TS_MASK) { ++ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); ++ break; ++ } + gen_lea_modrm(s, modrm, ®_addr, &offset_addr); + gen_op_fxsave_A0((s->dflag == 2)); + break; + case 1: /* fxrstor */ +- if (mod == 3 || !(s->cpuid_features & CPUID_FXSR)) ++ if (mod == 3 || !(s->cpuid_features & CPUID_FXSR) || ++ (s->flags & HF_EM_MASK)) + goto illegal_op; ++ if (s->flags & HF_TS_MASK) { ++ gen_exception(s, EXCP07_PREX, pc_start - s->cs_base); ++ break; ++ } + gen_lea_modrm(s, modrm, ®_addr, &offset_addr); + gen_op_fxrstor_A0((s->dflag == 2)); + break; |