arch/x86_64:Add macros related to CPUID

Signed-off-by: liwenxiang1 <liwenxiang1@xiaomi.com>
2024-10-10 20:11:37 +08:00 · 2024-10-10 20:11:37 +08:00 · fee7e0ce81
parent d0779e0eef
commit fee7e0ce81
1 changed files with 2 additions and 0 deletions
--- a/arch/x86_64/include/intel64/arch.h
+++ b/arch/x86_64/include/intel64/arch.h
@ -208,6 +208,8 @@
 #  define X86_64_CPUID_07_AVX512VL    (1 << 31)
 #define X86_64_CPUID_XSAVE            0x0d
 #define X86_64_CPUID_TSC              0x15
+#define X86_64_CPUID_EXTINFO          0x80000001
+#  define X86_64_CPUID_EXTINFO_RDTSCP (1 << 27)

 /* MSR Definitions */