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GDT/LDT/IDT/FPU access from python bingings

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This commit is contained in:
feliam
2016-03-09 18:07:38 -03:00
parent 2cfe6fb9c0
commit ff66a72d7b
2 changed files with 86 additions and 3 deletions
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39
qemu/target-i386/unicorn.c
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@ -140,6 +140,25 @@ int x86_reg_read(struct uc_struct *uc, unsigned int regid, void *value)
{
CPUState *mycpu = first_cpu;
switch(regid) {
default:
break;
case UC_X86_REG_FP0 ... UC_X86_REG_FP7:
{
floatx80 reg = X86_CPU(uc, mycpu)->env.fpregs[regid - UC_X86_REG_FP0].d;
cpu_get_fp80(value, value+sizeof(uint64_t), reg);
}
break;
case UC_X86_REG_FPSW:
{
uint16_t fpus = X86_CPU(uc, mycpu)->env.fpus;
fpus = fpus & ~(7<<11);
fpus |= (X86_CPU(uc, mycpu)->env.fpstt&7)<<11;
*(uint16_t*) value = fpus;
}
break;
}
switch(uc->mode) {
default:
break;
@ -573,6 +592,26 @@ int x86_reg_write(struct uc_struct *uc, unsigned int regid, const void *value)
{
CPUState *mycpu = first_cpu;
switch(regid) {
default:
break;
case UC_X86_REG_FP0 ... UC_X86_REG_FP7:
{
//floatx80 cpu_set_fp80(uint64_t mant, uint16_t upper);
uint64_t mant = *(uint64_t*) value;
uint16_t upper = *(uint16_t*) (value+sizeof(uint64_t));
X86_CPU(uc, mycpu)->env.fpregs[regid - UC_X86_REG_FP0].d = cpu_set_fp80(mant, upper);
}
break;
case UC_X86_REG_FPSW:
{
uint16_t fpus = *(uint16_t*) value;
X86_CPU(uc, mycpu)->env.fpus = fpus;
X86_CPU(uc, mycpu)->env.fpstt = (fpus>>11)&7;
}
break;
}
switch(uc->mode) {
default:
break;