debian/patches/extra/0049-i386-Add-EPYC-IBPB-CPU-model.patch

   1 From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
   2 From: Eduardo Habkost <ehabkost@redhat.com>
   3 Date: Tue, 9 Jan 2018 13:45:18 -0200
   4 Subject: [PATCH] i386: Add EPYC-IBPB CPU model
   5
   6 EPYC-IBPB is a copy of the EPYC CPU model with
   7 just CPUID_8000_0008_EBX_IBPB added.
   8
   9 Cc: Jiri Denemark <jdenemar@redhat.com>
  10 Cc: Tom Lendacky <thomas.lendacky@amd.com>
  11 Cc: Brijesh Singh <brijesh.singh@amd.com>
  12 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
  13 Message-Id: <20180109154519.25634-7-ehabkost@redhat.com>
  14 Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
  15 ---
  16  target/i386/cpu.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++
  17  1 file changed, 46 insertions(+)
  18
  19 diff --git a/target/i386/cpu.c b/target/i386/cpu.c
  20 index e977c6c616..95e6a1f122 100644
  21 --- a/target/i386/cpu.c
  22 +++ b/target/i386/cpu.c
  23 @@ -1967,6 +1967,52 @@ static X86CPUDefinition builtin_x86_defs[] = {
  24          .xlevel = 0x8000000A,
  25          .model_id = "AMD EPYC Processor",
  26      },
  27 +    {
  28 +        .name = "EPYC-IBPB",
  29 +        .level = 0xd,
  30 +        .vendor = CPUID_VENDOR_AMD,
  31 +        .family = 23,
  32 +        .model = 1,
  33 +        .stepping = 2,
  34 +        .features[FEAT_1_EDX] =
  35 +            CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | CPUID_CLFLUSH |
  36 +            CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | CPUID_PGE |
  37 +            CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | CPUID_MCE |
  38 +            CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | CPUID_DE |
  39 +            CPUID_VME | CPUID_FP87,
  40 +        .features[FEAT_1_ECX] =
  41 +            CPUID_EXT_RDRAND | CPUID_EXT_F16C | CPUID_EXT_AVX |
  42 +            CPUID_EXT_XSAVE | CPUID_EXT_AES |  CPUID_EXT_POPCNT |
  43 +            CPUID_EXT_MOVBE | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
  44 +            CPUID_EXT_CX16 | CPUID_EXT_FMA | CPUID_EXT_SSSE3 |
  45 +            CPUID_EXT_MONITOR | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
  46 +        .features[FEAT_8000_0001_EDX] =
  47 +            CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_PDPE1GB |
  48 +            CPUID_EXT2_FFXSR | CPUID_EXT2_MMXEXT | CPUID_EXT2_NX |
  49 +            CPUID_EXT2_SYSCALL,
  50 +        .features[FEAT_8000_0001_ECX] =
  51 +            CPUID_EXT3_OSVW | CPUID_EXT3_3DNOWPREFETCH |
  52 +            CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A | CPUID_EXT3_ABM |
  53 +            CPUID_EXT3_CR8LEG | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
  54 +        .features[FEAT_8000_0008_EBX] =
  55 +            CPUID_8000_0008_EBX_IBPB,
  56 +        .features[FEAT_7_0_EBX] =
  57 +            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 |
  58 +            CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_RDSEED |
  59 +            CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_CLFLUSHOPT |
  60 +            CPUID_7_0_EBX_SHA_NI,
  61 +        /* Missing: XSAVES (not supported by some Linux versions,
  62 +         * including v4.1 to v4.12).
  63 +         * KVM doesn't yet expose any XSAVES state save component.
  64 +         */
  65 +        .features[FEAT_XSAVE] =
  66 +            CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
  67 +            CPUID_XSAVE_XGETBV1,
  68 +        .features[FEAT_6_EAX] =
  69 +            CPUID_6_EAX_ARAT,
  70 +        .xlevel = 0x8000000A,
  71 +        .model_id = "AMD EPYC Processor (with IBPB)",
  72 +    },
  73  };
  74
  75  typedef struct PropValue {
  76 --
  77 2.11.0
  78