diff options
| -rw-r--r-- | target/i386/cpu.c | 55 | ||||
| -rw-r--r-- | target/i386/kvm/kvm.c | 4 |
2 files changed, 55 insertions, 4 deletions
diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 79e24bb23f..351a1e4f2a 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -575,6 +575,18 @@ static CPUCacheInfo legacy_l3_cache = { #define INTEL_PT_CYCLE_BITMAP 0x1fff /* Support 0,2^(0~11) */ #define INTEL_PT_PSB_BITMAP (0x003f << 16) /* Support 2K,4K,8K,16K,32K,64K */ +/* CPUID Leaf 0x1D constants: */ +#define INTEL_AMX_TILE_MAX_SUBLEAF 0x1 +#define INTEL_AMX_TOTAL_TILE_BYTES 0x2000 +#define INTEL_AMX_BYTES_PER_TILE 0x400 +#define INTEL_AMX_BYTES_PER_ROW 0x40 +#define INTEL_AMX_TILE_MAX_NAMES 0x8 +#define INTEL_AMX_TILE_MAX_ROWS 0x10 + +/* CPUID Leaf 0x1E constants: */ +#define INTEL_AMX_TMUL_MAX_K 0x10 +#define INTEL_AMX_TMUL_MAX_N 0x40 + void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1, uint32_t vendor2, uint32_t vendor3) { @@ -844,8 +856,8 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = { "avx512-vp2intersect", NULL, "md-clear", NULL, NULL, NULL, "serialize", NULL, "tsx-ldtrk", NULL, NULL /* pconfig */, NULL, - NULL, NULL, NULL, "avx512-fp16", - NULL, NULL, "spec-ctrl", "stibp", + NULL, NULL, "amx-bf16", "avx512-fp16", + "amx-tile", "amx-int8", "spec-ctrl", "stibp", NULL, "arch-capabilities", "core-capability", "ssbd", }, .cpuid = { @@ -910,7 +922,7 @@ FeatureWordInfo feature_word_info[FEATURE_WORDS] = { .type = CPUID_FEATURE_WORD, .feat_names = { "xsaveopt", "xsavec", "xgetbv1", "xsaves", - NULL, NULL, NULL, NULL, + "xfd", NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, @@ -5586,6 +5598,43 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, } break; } + case 0x1D: { + /* AMX TILE */ + *eax = 0; + *ebx = 0; + *ecx = 0; + *edx = 0; + if (!(env->features[FEAT_7_0_EDX] & CPUID_7_0_EDX_AMX_TILE)) { + break; + } + + if (count == 0) { + /* Highest numbered palette subleaf */ + *eax = INTEL_AMX_TILE_MAX_SUBLEAF; + } else if (count == 1) { + *eax = INTEL_AMX_TOTAL_TILE_BYTES | + (INTEL_AMX_BYTES_PER_TILE << 16); + *ebx = INTEL_AMX_BYTES_PER_ROW | (INTEL_AMX_TILE_MAX_NAMES << 16); + *ecx = INTEL_AMX_TILE_MAX_ROWS; + } + break; + } + case 0x1E: { + /* AMX TMUL */ + *eax = 0; + *ebx = 0; + *ecx = 0; + *edx = 0; + if (!(env->features[FEAT_7_0_EDX] & CPUID_7_0_EDX_AMX_TILE)) { + break; + } + + if (count == 0) { + /* Highest numbered palette subleaf */ + *ebx = INTEL_AMX_TMUL_MAX_K | (INTEL_AMX_TMUL_MAX_N << 8); + } + break; + } case 0x40000000: /* * CPUID code in kvm_arch_init_vcpu() ignores stuff diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c index f0d1de7652..2edd1a2f2c 100644 --- a/target/i386/kvm/kvm.c +++ b/target/i386/kvm/kvm.c @@ -1781,7 +1781,9 @@ int kvm_arch_init_vcpu(CPUState *cs) c = &cpuid_data.entries[cpuid_i++]; } break; - case 0x14: { + case 0x14: + case 0x1d: + case 0x1e: { uint32_t times; c->function = i; |