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Return 'GenuineIntel' as vendor string

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This commit is contained in:
Bruce Leidl 2023-01-26 15:51:47 -05:00
parent ced3f6a4a8
commit 9ee21a0309
1 changed files with 7 additions and 3 deletions
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10
src/vm/arch/x86/cpuid.rs
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@ -12,6 +12,10 @@ const _ECX_EPB_SHIFT: u32 = 3; // "Energy Performance Bias" bit.
const _ECX_HYPERVISOR_SHIFT: u32 = 31; // Flag to be set when the cpu is running on a hypervisor. const _ECX_HYPERVISOR_SHIFT: u32 = 31; // Flag to be set when the cpu is running on a hypervisor.
const _EDX_HTT_SHIFT: u32 = 28; // Hyper Threading Enabled. const _EDX_HTT_SHIFT: u32 = 28; // Hyper Threading Enabled.
const INTEL_EBX: u32 = u32::from_le_bytes([b'G', b'e', b'n', b'u']);
const INTEL_EDX: u32 = u32::from_le_bytes([b'i', b'n', b'e', b'I']);
const INTEL_ECX: u32 = u32::from_le_bytes([b'n', b't', b'e', b'l']);
pub fn setup_cpuid(vcpu: &KvmVcpu) -> Result<()> { pub fn setup_cpuid(vcpu: &KvmVcpu) -> Result<()> {
let mut cpuid = kvm_get_supported_cpuid(vcpu.sys_raw_fd())?; let mut cpuid = kvm_get_supported_cpuid(vcpu.sys_raw_fd())?;
let cpu_id = 0u32; // first vcpu let cpu_id = 0u32; // first vcpu
@ -19,9 +23,9 @@ pub fn setup_cpuid(vcpu: &KvmVcpu) -> Result<()> {
for e in &mut cpuid { for e in &mut cpuid {
match e.function { match e.function {
0 => { 0 => {
e.ebx = 0x67627553; e.ebx = INTEL_EBX;
e.ecx = 0x20487020; e.ecx = INTEL_ECX;
e.edx = 0x68706172; e.edx = INTEL_EDX;
} }
1 => { 1 => {
if e.index == 0 { if e.index == 0 {