debian/patches/extra/0048-target-i386-cpu-Add-new-EPYC-CPU-model.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Brijesh Singh <brijesh.singh@amd.com>
   3 Date: Tue, 15 Aug 2017 12:00:51 -0500
   4 Subject: [PATCH] target-i386/cpu: Add new EPYC CPU model
   5
   6 Add a new base CPU model called 'EPYC' to model processors from AMD EPYC
   7 family (which includes EPYC 76xx,75xx,74xx, 73xx and 72xx).
   8
   9 The following features bits have been added/removed compare to Opteron_G5
  10
  11 Added: monitor, movbe, rdrand, mmxext, ffxsr, rdtscp, cr8legacy, osvw,
  12        fsgsbase, bmi1, avx2, smep, bmi2, rdseed, adx, smap, clfshopt, sha
  13        xsaveopt, xsavec, xgetbv1, arat
  14
  15 Removed: xop, fma4, tbm
  16
  17 Cc: Paolo Bonzini <pbonzini@redhat.com>
  18 Cc: Richard Henderson <rth@twiddle.net>
  19 Cc: Eduardo Habkost <ehabkost@redhat.com>
  20 Cc: Tom Lendacky <Thomas.Lendacky@amd.com>
  21 Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
  22 Message-Id: <20170815170051.127257-1-brijesh.singh@amd.com>
  23 Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
  24 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
  25 ---
  26  target/i386/cpu.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
  27  1 file changed, 44 insertions(+)
  28
  29 diff --git a/target/i386/cpu.c b/target/i386/cpu.c
  30 index e4a2d5a012..e977c6c616 100644
  31 --- a/target/i386/cpu.c
  32 +++ b/target/i386/cpu.c
  33 @@ -1923,6 +1923,50 @@ static X86CPUDefinition builtin_x86_defs[] = {
  34          .xlevel = 0x8000001A,
  35          .model_id = "AMD Opteron 63xx class CPU",
  36      },
  37 +    {
  38 +        .name = "EPYC",
  39 +        .level = 0xd,
  40 +        .vendor = CPUID_VENDOR_AMD,
  41 +        .family = 23,
  42 +        .model = 1,
  43 +        .stepping = 2,
  44 +        .features[FEAT_1_EDX] =
  45 +            CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | CPUID_CLFLUSH |
  46 +            CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | CPUID_PGE |
  47 +            CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | CPUID_MCE |
  48 +            CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | CPUID_DE |
  49 +            CPUID_VME | CPUID_FP87,
  50 +        .features[FEAT_1_ECX] =
  51 +            CPUID_EXT_RDRAND | CPUID_EXT_F16C | CPUID_EXT_AVX |
  52 +            CPUID_EXT_XSAVE | CPUID_EXT_AES |  CPUID_EXT_POPCNT |
  53 +            CPUID_EXT_MOVBE | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
  54 +            CPUID_EXT_CX16 | CPUID_EXT_FMA | CPUID_EXT_SSSE3 |
  55 +            CPUID_EXT_MONITOR | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
  56 +        .features[FEAT_8000_0001_EDX] =
  57 +            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_PDPE1GB |
  58 +            CPUID_EXT2_FFXSR | CPUID_EXT2_MMXEXT | CPUID_EXT2_NX |
  59 +            CPUID_EXT2_SYSCALL,
  60 +        .features[FEAT_8000_0001_ECX] =
  61 +            CPUID_EXT3_OSVW | CPUID_EXT3_3DNOWPREFETCH |
  62 +            CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A | CPUID_EXT3_ABM |
  63 +            CPUID_EXT3_CR8LEG | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
  64 +        .features[FEAT_7_0_EBX] =
  65 +            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 |
  66 +            CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_RDSEED |
  67 +            CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT |
  68 +            CPUID_7_0_EBX_SHA_NI,
  69 +        /* Missing: XSAVES (not supported by some Linux versions,
  70 +         * including v4.1 to v4.12).
  71 +         * KVM doesn't yet expose any XSAVES state save component.
  72 +         */
  73 +        .features[FEAT_XSAVE] =
  74 +            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
  75 +            CPUID_XSAVE_XGETBV1,
  76 +        .features[FEAT_6_EAX] =
  77 +            CPUID_6_EAX_ARAT,
  78 +        .xlevel = 0x8000000A,
  79 +        .model_id = "AMD EPYC Processor",
  80 +    },
  81  };
  82
  83  typedef struct PropValue {
  84 --
  85 2.11.0
  86