arch/x86_64:Add macros related to CPUID

Signed-off-by: liwenxiang1 <[email protected]>
apache · Oct 10, 2024 · fee7e0c · fee7e0c
1 parent d0779e0
commit fee7e0c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git 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 */