Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging

[mirror_qemu.git] / target / i386 / cpu.c

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index a61cd6d99d1f2bc0bc0ebb1a441f4bb63ac20d8b..c0fb6b3ad920373e1e51bb0699a0f596931655b7 100644 (file)
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -637,7 +637,7 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
           CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER */
 
 #ifdef TARGET_X86_64
-#define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
+#define TCG_EXT2_X86_64_FEATURES CPUID_EXT2_LM
 #else
 #define TCG_EXT2_X86_64_FEATURES 0
 #endif
@@ -645,9 +645,10 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
           CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
           CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
-          TCG_EXT2_X86_64_FEATURES)
+          CPUID_EXT2_SYSCALL | TCG_EXT2_X86_64_FEATURES)
 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
-          CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
+          CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A | \
+          CPUID_EXT3_3DNOWPREFETCH)
 #define TCG_EXT4_FEATURES 0
 #define TCG_SVM_FEATURES (CPUID_SVM_NPT | CPUID_SVM_VGIF | \
           CPUID_SVM_SVME_ADDR_CHK)
@@ -656,14 +657,21 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
           CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
           CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT |            \
           CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE | \
-          CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_AVX2)
+          CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_RDSEED)
           /* missing:
           CPUID_7_0_EBX_HLE
-          CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
-          CPUID_7_0_EBX_RDSEED */
+          CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM */
+
+#if defined CONFIG_SOFTMMU || defined CONFIG_LINUX
+#define TCG_7_0_ECX_RDPID CPUID_7_0_ECX_RDPID
+#else
+#define TCG_7_0_ECX_RDPID 0
+#endif
 #define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_UMIP | CPUID_7_0_ECX_PKU | \
           /* CPUID_7_0_ECX_OSPKE is dynamic */ \
-          CPUID_7_0_ECX_LA57 | CPUID_7_0_ECX_PKS | CPUID_7_0_ECX_VAES)
+          CPUID_7_0_ECX_LA57 | CPUID_7_0_ECX_PKS | CPUID_7_0_ECX_VAES | \
+          TCG_7_0_ECX_RDPID)
+
 #define TCG_7_0_EDX_FEATURES CPUID_7_0_EDX_FSRM
 #define TCG_7_1_EAX_FEATURES (CPUID_7_1_EAX_FZRM | CPUID_7_1_EAX_FSRS | \
           CPUID_7_1_EAX_FSRC)
@@ -678,6 +686,9 @@ void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
 #define TCG_SGX_12_0_EBX_FEATURES 0
 #define TCG_SGX_12_1_EAX_FEATURES 0
 
+#define TCG_8000_0008_EBX  (CPUID_8000_0008_EBX_XSAVEERPTR | \
+          CPUID_8000_0008_EBX_WBNOINVD)
+
 FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
     [FEAT_1_EDX] = {
         .type = CPUID_FEATURE_WORD,
@@ -939,7 +950,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
             "amd-psfd", NULL, NULL, NULL,
         },
         .cpuid = { .eax = 0x80000008, .reg = R_EBX, },
-        .tcg_features = 0,
+        .tcg_features = TCG_8000_0008_EBX,
         .unmigratable_flags = 0,
     },
     [FEAT_8000_0021_EAX] = {
@@ -4466,6 +4477,16 @@ static const X86CPUDefinition builtin_x86_defs[] = {
                 },
                 .cache_info = &epyc_rome_v3_cache_info
             },
+            {
+                .version = 4,
+                .props = (PropValue[]) {
+                    /* Erratum 1386 */
+                    { "model-id",
+                      "AMD EPYC-Rome-v4 Processor (no XSAVES)" },
+                    { "xsaves", "off" },
+                    { /* end of list */ }
+                },
+            },
             { /* end of list */ }
         }
     },
@@ -6225,6 +6246,10 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
                 *ecx |= 1 << 1;    /* CmpLegacy bit */
             }
         }
+        if (tcg_enabled() && env->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 &&
+            !(env->hflags & HF_LMA_MASK)) {
+            *edx &= ~CPUID_EXT2_SYSCALL;
+        }
         break;
     case 0x80000002:
     case 0x80000003: