int kvm_arch_post_run(CPUState *env, struct kvm_run *run)
{
if (run->if_flag)
env->eflags |= IF_MASK;
else
env->eflags &= ~IF_MASK;
cpu_set_apic_tpr(env, run->cr8);
cpu_set_apic_base(env, run->apic_base);
return 0;
}
static void whpx_vcpu_post_run(CPUState *cpu)
{
HRESULT hr;
struct whpx_state *whpx = &whpx_global;
struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu);
struct CPUX86State *env = (CPUArchState *)(cpu->env_ptr);
X86CPU *x86_cpu = X86_CPU(cpu);
WHV_REGISTER_VALUE reg_values[4];
const WHV_REGISTER_NAME reg_names[4] = {
WHvX64RegisterRflags,
WHvX64RegisterCr8,
WHvRegisterPendingInterruption,
WHvRegisterInterruptState,
};
hr = WHvGetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index,
reg_names, 4, reg_values);
if (FAILED(hr)) {
error_report("WHPX: Failed to get interrupt state regusters,"
" hr=%08lx", hr);
vcpu->interruptable = false;
return;
}
assert(reg_names[0] == WHvX64RegisterRflags);
env->eflags = reg_values[0].Reg64;
assert(reg_names[1] == WHvX64RegisterCr8);
if (vcpu->tpr != reg_values[1].Reg64) {
vcpu->tpr = reg_values[1].Reg64;
qemu_mutex_lock_iothread();
cpu_set_apic_tpr(x86_cpu->apic_state, vcpu->tpr);
qemu_mutex_unlock_iothread();
}
assert(reg_names[2] == WHvRegisterPendingInterruption);
vcpu->interrupt_in_flight = reg_values[2].PendingInterruption;
assert(reg_names[3] == WHvRegisterInterruptState);
vcpu->interruptable = !reg_values[3].InterruptState.InterruptShadow;
return;
}
void helper_write_crN(CPUX86State *env, int reg, target_ulong t0)
{
cpu_svm_check_intercept_param(env, SVM_EXIT_WRITE_CR0 + reg, 0, GETPC());
switch (reg) {
case 0:
cpu_x86_update_cr0(env, t0);
break;
case 3:
cpu_x86_update_cr3(env, t0);
break;
case 4:
cpu_x86_update_cr4(env, t0);
break;
case 8:
if (!(env->hflags2 & HF2_VINTR_MASK)) {
cpu_set_apic_tpr(x86_env_get_cpu(env)->apic_state, t0);
}
env->v_tpr = t0 & 0x0f;
break;
default:
env->cr[reg] = t0;
break;
}
}
static void whpx_get_registers(CPUState *cpu)
{
struct whpx_state *whpx = &whpx_global;
struct whpx_vcpu *vcpu = get_whpx_vcpu(cpu);
struct CPUX86State *env = (CPUArchState *)(cpu->env_ptr);
X86CPU *x86_cpu = X86_CPU(cpu);
struct whpx_register_set vcxt;
uint64_t tpr, apic_base;
HRESULT hr;
int idx = 0;
int i;
assert(cpu_is_stopped(cpu) || qemu_cpu_is_self(cpu));
hr = WHvGetVirtualProcessorRegisters(whpx->partition, cpu->cpu_index,
whpx_register_names,
RTL_NUMBER_OF(whpx_register_names),
&vcxt.values[0]);
if (FAILED(hr)) {
error_report("WHPX: Failed to get virtual processor context, hr=%08lx",
hr);
}
/* Indexes for first 16 registers match between HV and QEMU definitions */
for (idx = 0; idx < CPU_NB_REGS64; idx += 1) {
env->regs[idx] = vcxt.values[idx].Reg64;
}
/* Same goes for RIP and RFLAGS */
assert(whpx_register_names[idx] == WHvX64RegisterRip);
env->eip = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterRflags);
env->eflags = vcxt.values[idx++].Reg64;
/* Translate 6+4 segment registers. HV and QEMU order matches */
assert(idx == WHvX64RegisterEs);
for (i = 0; i < 6; i += 1, idx += 1) {
env->segs[i] = whpx_seg_h2q(&vcxt.values[idx].Segment);
}
assert(idx == WHvX64RegisterLdtr);
env->ldt = whpx_seg_h2q(&vcxt.values[idx++].Segment);
assert(idx == WHvX64RegisterTr);
env->tr = whpx_seg_h2q(&vcxt.values[idx++].Segment);
assert(idx == WHvX64RegisterIdtr);
env->idt.base = vcxt.values[idx].Table.Base;
env->idt.limit = vcxt.values[idx].Table.Limit;
idx += 1;
assert(idx == WHvX64RegisterGdtr);
env->gdt.base = vcxt.values[idx].Table.Base;
env->gdt.limit = vcxt.values[idx].Table.Limit;
idx += 1;
/* CR0, 2, 3, 4, 8 */
assert(whpx_register_names[idx] == WHvX64RegisterCr0);
env->cr[0] = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterCr2);
env->cr[2] = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterCr3);
env->cr[3] = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterCr4);
env->cr[4] = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterCr8);
tpr = vcxt.values[idx++].Reg64;
if (tpr != vcpu->tpr) {
vcpu->tpr = tpr;
cpu_set_apic_tpr(x86_cpu->apic_state, tpr);
}
/* 8 Debug Registers - Skipped */
/* 16 XMM registers */
assert(whpx_register_names[idx] == WHvX64RegisterXmm0);
for (i = 0; i < 16; i += 1, idx += 1) {
env->xmm_regs[i].ZMM_Q(0) = vcxt.values[idx].Reg128.Low64;
env->xmm_regs[i].ZMM_Q(1) = vcxt.values[idx].Reg128.High64;
}
/* 8 FP registers */
assert(whpx_register_names[idx] == WHvX64RegisterFpMmx0);
for (i = 0; i < 8; i += 1, idx += 1) {
env->fpregs[i].mmx.MMX_Q(0) = vcxt.values[idx].Fp.AsUINT128.Low64;
/* env->fpregs[i].mmx.MMX_Q(1) =
vcxt.values[idx].Fp.AsUINT128.High64;
*/
}
/* FP control status register */
assert(whpx_register_names[idx] == WHvX64RegisterFpControlStatus);
env->fpuc = vcxt.values[idx].FpControlStatus.FpControl;
env->fpstt = (vcxt.values[idx].FpControlStatus.FpStatus >> 11) & 0x7;
env->fpus = vcxt.values[idx].FpControlStatus.FpStatus & ~0x3800;
for (i = 0; i < 8; ++i) {
env->fptags[i] = !((vcxt.values[idx].FpControlStatus.FpTag >> i) & 1);
}
env->fpop = vcxt.values[idx].FpControlStatus.LastFpOp;
env->fpip = vcxt.values[idx].FpControlStatus.LastFpRip;
idx += 1;
/* XMM control status register */
assert(whpx_register_names[idx] == WHvX64RegisterXmmControlStatus);
env->mxcsr = vcxt.values[idx].XmmControlStatus.XmmStatusControl;
idx += 1;
/* MSRs */
assert(whpx_register_names[idx] == WHvX64RegisterTsc);
env->tsc = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterEfer);
env->efer = vcxt.values[idx++].Reg64;
#ifdef TARGET_X86_64
assert(whpx_register_names[idx] == WHvX64RegisterKernelGsBase);
env->kernelgsbase = vcxt.values[idx++].Reg64;
#endif
assert(whpx_register_names[idx] == WHvX64RegisterApicBase);
apic_base = vcxt.values[idx++].Reg64;
if (apic_base != vcpu->apic_base) {
vcpu->apic_base = apic_base;
cpu_set_apic_base(x86_cpu->apic_state, vcpu->apic_base);
}
/* WHvX64RegisterPat - Skipped */
assert(whpx_register_names[idx] == WHvX64RegisterSysenterCs);
env->sysenter_cs = vcxt.values[idx++].Reg64;;
assert(whpx_register_names[idx] == WHvX64RegisterSysenterEip);
env->sysenter_eip = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterSysenterEsp);
env->sysenter_esp = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterStar);
env->star = vcxt.values[idx++].Reg64;
#ifdef TARGET_X86_64
assert(whpx_register_names[idx] == WHvX64RegisterLstar);
env->lstar = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterCstar);
env->cstar = vcxt.values[idx++].Reg64;
assert(whpx_register_names[idx] == WHvX64RegisterSfmask);
env->fmask = vcxt.values[idx++].Reg64;
#endif
/* Interrupt / Event Registers - Skipped */
assert(idx == RTL_NUMBER_OF(whpx_register_names));
return;
}
