emulate_wrmsr
if (emulate_wrmsr(svm_sc, vcpu, ecx, val, &retu)) {
error = emulate_wrmsr(vcpu, ecx, (uint64_t)edx << 32 | eax,
error = emulate_wrmsr(vcpu, vme->u.msr.code, vme->u.msr.wval);
int emulate_wrmsr(struct vcpu *vcpu, uint32_t code, uint64_t val);