diff options
| -rw-r--r-- | target/i386/cpu.c | 14 | ||||
| -rw-r--r-- | target/i386/cpu.h | 6 |
2 files changed, 19 insertions, 1 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 914bef442c..bfb5a25e59 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -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 { diff --git a/target/i386/cpu.h b/target/i386/cpu.h index c64ef0c1a2..ad3577056d 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -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) |