diff options
Diffstat (limited to 'src/arch/x86/include/ipxe/cpuid.h')
| -rw-r--r-- | src/arch/x86/include/ipxe/cpuid.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/arch/x86/include/ipxe/cpuid.h b/src/arch/x86/include/ipxe/cpuid.h index 3983dfb8..90d1bf01 100644 --- a/src/arch/x86/include/ipxe/cpuid.h +++ b/src/arch/x86/include/ipxe/cpuid.h @@ -39,6 +39,9 @@ struct x86_features { /** Get standard features */ #define CPUID_FEATURES 0x00000001UL +/** RDRAND instruction is supported */ +#define CPUID_FEATURES_INTEL_ECX_RDRAND 0x40000000UL + /** Hypervisor is present */ #define CPUID_FEATURES_INTEL_ECX_HYPERVISOR 0x80000000UL |