CR0_PE
cr0 = (cflag & PARENB) ? CR0_PE : 0;
vmx_cr0_fixed0 = rdmsr(MSR_IA32_VMX_CR0_FIXED0) & ~(CR0_PG|CR0_PE);
vmx_cr0_fixed1 = rdmsr(MSR_IA32_VMX_CR0_FIXED1) | (CR0_PG|CR0_PE);
state->crs[NVMM_X64_CR_CR0] = CR0_PG|CR0_PE|CR0_NE|CR0_TS|CR0_MP|CR0_WP|CR0_AM;
state->crs[NVMM_X64_CR_CR0] = CR0_PG|CR0_PE|CR0_NE|CR0_TS|CR0_MP|CR0_WP|CR0_AM;