@@ -941,6 +941,12 @@ uint64_t x86_cpu_get_supported_feature_word(FeatureWord w,
#define CPUID_7_1_EDX_AMX_COMPLEX (1U << 8)
/* PREFETCHIT0/1 Instructions */
#define CPUID_7_1_EDX_PREFETCHITI (1U << 14)
+/* Flexible return and event delivery (FRED) */
+#define CPUID_7_1_EAX_FRED (1U << 17)
+/* Load into IA32_KERNEL_GS_BASE (LKGS) */
+#define CPUID_7_1_EAX_LKGS (1U << 18)
+/* Non-Serializing Write to Model Specific Register (WRMSRNS) */
+#define CPUID_7_1_EAX_WRMSRNS (1U << 19)
/* Do not exhibit MXCSR Configuration Dependent Timing (MCDT) behavior */
#define CPUID_7_2_EDX_MCDT_NO (1U << 5)
@@ -1114,7 +1114,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
"avx-vnni", "avx512-bf16", NULL, "cmpccxadd",
NULL, NULL, "fzrm", "fsrs",
"fsrc", NULL, NULL, NULL,
- NULL, NULL, NULL, NULL,
+ NULL, "fred", "lkgs", "wrmsrns",
NULL, "amx-fp16", NULL, "avx-ifma",
NULL, NULL, "lam", NULL,
NULL, NULL, NULL, NULL,
@@ -1701,6 +1701,18 @@ static FeatureDep feature_dependencies[] = {
.from = { FEAT_7_0_ECX, CPUID_7_0_ECX_WAITPKG },
.to = { FEAT_VMX_SECONDARY_CTLS, VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE },
},
+ {
+ .from = { FEAT_8000_0001_EDX, CPUID_EXT2_LM },
+ .to = { FEAT_7_1_EAX, CPUID_7_1_EAX_FRED },
+ },
+ {
+ .from = { FEAT_7_1_EAX, CPUID_7_1_EAX_LKGS },
+ .to = { FEAT_7_1_EAX, CPUID_7_1_EAX_FRED },
+ },
+ {
+ .from = { FEAT_7_1_EAX, CPUID_7_1_EAX_WRMSRNS },
+ .to = { FEAT_7_1_EAX, CPUID_7_1_EAX_FRED },
+ },
};
typedef struct X86RegisterInfo32 {