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fix x86 segment setup by updating cached segment registers on reg_write

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This commit is contained in:
Chris Eagle
2016-03-22 23:54:30 -07:00
parent 86823f53da
commit 4c4203cec8
3 changed files with 296 additions and 8 deletions
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12
qemu/target-i386/unicorn.c
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@@ -782,22 +782,22 @@ int x86_reg_write(struct uc_struct *uc, unsigned int regid, const void *value)
uc_emu_stop(uc);
break;
case UC_X86_REG_CS:
X86_CPU(uc, mycpu)->env.segs[R_CS].selector = *(uint16_t *)value;
cpu_x86_load_seg(&X86_CPU(uc, mycpu)->env, R_CS, *(uint16_t *)value);
break;
case UC_X86_REG_DS:
X86_CPU(uc, mycpu)->env.segs[R_DS].selector = *(uint16_t *)value;
cpu_x86_load_seg(&X86_CPU(uc, mycpu)->env, R_DS, *(uint16_t *)value);
break;
case UC_X86_REG_SS:
X86_CPU(uc, mycpu)->env.segs[R_SS].selector = *(uint16_t *)value;
cpu_x86_load_seg(&X86_CPU(uc, mycpu)->env, R_SS, *(uint16_t *)value);
break;
case UC_X86_REG_ES:
X86_CPU(uc, mycpu)->env.segs[R_ES].selector = *(uint16_t *)value;
cpu_x86_load_seg(&X86_CPU(uc, mycpu)->env, R_ES, *(uint16_t *)value);
break;
case UC_X86_REG_FS:
X86_CPU(uc, mycpu)->env.segs[R_FS].selector = *(uint16_t *)value;
cpu_x86_load_seg(&X86_CPU(uc, mycpu)->env, R_FS, *(uint16_t *)value);
break;
case UC_X86_REG_GS:
X86_CPU(uc, mycpu)->env.segs[R_GS].selector = *(uint16_t *)value;
cpu_x86_load_seg(&X86_CPU(uc, mycpu)->env, R_GS, *(uint16_t *)value);
break;
case UC_X86_REG_IDTR:
X86_CPU(uc, mycpu)->env.idt.limit = (uint16_t)((uc_x86_mmr *)value)->limit;