From b9c18f22cd3da6a333036664e23eb9d4ad258bf3 Mon Sep 17 00:00:00 2001 From: Brijesh Singh Date: Sun, 4 Mar 2018 12:20:28 -0500 Subject: [PATCH] target-i386/cpu: Add new EPYC CPU model Add a new base CPU model called 'EPYC' to model processors from AMD EPYC family (which includes EPYC 76xx,75xx,74xx, 73xx and 72xx). The following features bits have been added/removed compare to Opteron_G5 Added: monitor, movbe, rdrand, mmxext, ffxsr, rdtscp, cr8legacy, osvw, fsgsbase, bmi1, avx2, smep, bmi2, rdseed, adx, smap, clfshopt, sha xsaveopt, xsavec, xgetbv1, arat Removed: xop, fma4, tbm Backports commit 2e2efc7dbe2b0adc1200b5aa286cdbed729f6751 from qemu --- qemu/target/i386/cpu.c | 61 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/qemu/target/i386/cpu.c b/qemu/target/i386/cpu.c index c0c44f6e..9dcb7584 100644 --- a/qemu/target/i386/cpu.c +++ b/qemu/target/i386/cpu.c @@ -1903,6 +1903,67 @@ static X86CPUDefinition builtin_x86_defs[] = { }, "AMD Opteron 63xx class CPU", }, + { + "EPYC", + 0xd, 0x8000000A, + CPUID_VENDOR_AMD, + 23, 1, 2, + { + // FEAT_1_EDX + CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | CPUID_CLFLUSH | + CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | CPUID_PGE | + CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | CPUID_MCE | + CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | CPUID_DE | + CPUID_VME | CPUID_FP87, + // FEAT_1_ECX + CPUID_EXT_RDRAND | CPUID_EXT_F16C | CPUID_EXT_AVX | + CPUID_EXT_XSAVE | CPUID_EXT_AES | CPUID_EXT_POPCNT | + CPUID_EXT_MOVBE | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | + CPUID_EXT_CX16 | CPUID_EXT_FMA | CPUID_EXT_SSSE3 | + CPUID_EXT_MONITOR | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3, + // FEAT_7_0_EBX + CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 | + CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_RDSEED | + CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT | + CPUID_7_0_EBX_SHA_NI, + // FEAT_7_0_ECX + 0, + // FEAT_7_0_EDX + 0, + // FEAT_8000_0001_EDX + CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_PDPE1GB | + CPUID_EXT2_FFXSR | CPUID_EXT2_MMXEXT | CPUID_EXT2_NX | + CPUID_EXT2_SYSCALL, + // FEAT_8000_0001_ECX + CPUID_EXT3_OSVW | CPUID_EXT3_3DNOWPREFETCH | + CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | + CPUID_EXT3_CR8LEG | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM, + // FEAT_8000_0007_EDX + 0, + // FEAT_C000_0001_EDX + 0, + // FEAT_KVM + 0, + // FEAT_HYPERV_EAX + 0, + // FEAT_HYPERV_EBX + 0, + // FEAT_HYPERV_EDX + 0, + // FEAT_SVM + 0, + /* Missing: XSAVES (not supported by some Linux versions, + * including v4.1 to v4.12). + * KVM doesn't yet expose any XSAVES state save component. + */ + // FEAT_XSAVE + CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC | + CPUID_XSAVE_XGETBV1, + // FEAT_6_EAX + CPUID_6_EAX_ARAT, + }, + "AMD EPYC Processor", + }, }; typedef struct PropValue {