UefiCpuPkg/Application/Cpuid/Cpuid.c

   1 /** @file
   2   UEFI Application to display CPUID leaf information.
   3
   4   Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7 **/
   8
   9 #include <Uefi.h>
  10 #include <Library/BaseLib.h>
  11 #include <Library/UefiLib.h>
  12 #include <Register/Intel/Cpuid.h>
  13
  14 ///
  15 /// Macro used to display the value of a bit field in a register returned by CPUID.
  16 ///
  17 #define PRINT_BIT_FIELD(Variable, FieldName) \
  18   Print (L"%5a%42a: %x\n", #Variable, #FieldName, Variable.Bits.FieldName);
  19
  20 ///
  21 /// Macro used to display the value of a register returned by CPUID.
  22 ///
  23 #define PRINT_VALUE(Variable, Description) \
  24   Print (L"%5a%42a: %x\n", #Variable, #Description, Variable);
  25
  26 ///
  27 /// Structure for cache description lookup table
  28 ///
  29 typedef struct {
  30   UINT8  CacheDescriptor;
  31   CHAR8  *Type;
  32   CHAR8  *Description;
  33 } CPUID_CACHE_INFO_DESCRIPTION;
  34
  35 ///
  36 /// Cache description lookup table
  37 ///
  38 CPUID_CACHE_INFO_DESCRIPTION  mCpuidCacheInfoDescription[] = {
  39   { 0x00 , "General"  , "Null descriptor, this byte contains no information" },
  40   { 0x01 , "TLB"      , "Instruction TLB: 4 KByte pages, 4-way set associative, 32 entries" },
  41   { 0x02 , "TLB"      , "Instruction TLB: 4 MByte pages, fully associative, 2 entries" },
  42   { 0x03 , "TLB"      , "Data TLB: 4 KByte pages, 4-way set associative, 64 entries" },
  43   { 0x04 , "TLB"      , "Data TLB: 4 MByte pages, 4-way set associative, 8 entries" },
  44   { 0x05 , "TLB"      , "Data TLB1: 4 MByte pages, 4-way set associative, 32 entries" },
  45   { 0x06 , "Cache"    , "1st-level instruction cache: 8 KBytes, 4-way set associative, 32 byte line size" },
  46   { 0x08 , "Cache"    , "1st-level instruction cache: 16 KBytes, 4-way set associative, 32 byte line size" },
  47   { 0x09 , "Cache"    , "1st-level instruction cache: 32KBytes, 4-way set associative, 64 byte line size" },
  48   { 0x0A , "Cache"    , "1st-level data cache: 8 KBytes, 2-way set associative, 32 byte line size" },
  49   { 0x0B , "TLB"      , "Instruction TLB: 4 MByte pages, 4-way set associative, 4 entries" },
  50   { 0x0C , "Cache"    , "1st-level data cache: 16 KBytes, 4-way set associative, 32 byte line size" },
  51   { 0x0D , "Cache"    , "1st-level data cache: 16 KBytes, 4-way set associative, 64 byte line size" },
  52   { 0x0E , "Cache"    , "1st-level data cache: 24 KBytes, 6-way set associative, 64 byte line size" },
  53   { 0x1D , "Cache"    , "2nd-level cache: 128 KBytes, 2-way set associative, 64 byte line size" },
  54   { 0x21 , "Cache"    , "2nd-level cache: 256 KBytes, 8-way set associative, 64 byte line size" },
  55   { 0x22 , "Cache"    , "3rd-level cache: 512 KBytes, 4-way set associative, 64 byte line size, 2 lines per sector" },
  56   { 0x23 , "Cache"    , "3rd-level cache: 1 MBytes, 8-way set associative, 64 byte line size, 2 lines per sector" },
  57   { 0x24 , "Cache"    , "2nd-level cache: 1 MBytes, 16-way set associative, 64 byte line size" },
  58   { 0x25 , "Cache"    , "3rd-level cache: 2 MBytes, 8-way set associative, 64 byte line size, 2 lines per sector" },
  59   { 0x29 , "Cache"    , "3rd-level cache: 4 MBytes, 8-way set associative, 64 byte line size, 2 lines per sector" },
  60   { 0x2C , "Cache"    , "1st-level data cache: 32 KBytes, 8-way set associative, 64 byte line size" },
  61   { 0x30 , "Cache"    , "1st-level instruction cache: 32 KBytes, 8-way set associative, 64 byte line size" },
  62   { 0x40 , "Cache"    , "No 2nd-level cache or, if processor contains a valid 2nd-level cache, no 3rd-level cache" },
  63   { 0x41 , "Cache"    , "2nd-level cache: 128 KBytes, 4-way set associative, 32 byte line size" },
  64   { 0x42 , "Cache"    , "2nd-level cache: 256 KBytes, 4-way set associative, 32 byte line size" },
  65   { 0x43 , "Cache"    , "2nd-level cache: 512 KBytes, 4-way set associative, 32 byte line size" },
  66   { 0x44 , "Cache"    , "2nd-level cache: 1 MByte, 4-way set associative, 32 byte line size" },
  67   { 0x45 , "Cache"    , "2nd-level cache: 2 MByte, 4-way set associative, 32 byte line size" },
  68   { 0x46 , "Cache"    , "3rd-level cache: 4 MByte, 4-way set associative, 64 byte line size" },
  69   { 0x47 , "Cache"    , "3rd-level cache: 8 MByte, 8-way set associative, 64 byte line size" },
  70   { 0x48 , "Cache"    , "2nd-level cache: 3MByte, 12-way set associative, 64 byte line size" },
  71   { 0x49 , "Cache"    , "3rd-level cache: 4MB, 16-way set associative, 64-byte line size (Intel Xeon processor MP, Family 0FH, Model 06H). 2nd-level cache: 4 MByte, 16-way set associative, 64 byte line size" },
  72   { 0x4A , "Cache"    , "3rd-level cache: 6MByte, 12-way set associative, 64 byte line size" },
  73   { 0x4B , "Cache"    , "3rd-level cache: 8MByte, 16-way set associative, 64 byte line size" },
  74   { 0x4C , "Cache"    , "3rd-level cache: 12MByte, 12-way set associative, 64 byte line size" },
  75   { 0x4D , "Cache"    , "3rd-level cache: 16MByte, 16-way set associative, 64 byte line size" },
  76   { 0x4E , "Cache"    , "2nd-level cache: 6MByte, 24-way set associative, 64 byte line size" },
  77   { 0x4F , "TLB"      , "Instruction TLB: 4 KByte pages, 32 entries" },
  78   { 0x50 , "TLB"      , "Instruction TLB: 4 KByte and 2-MByte or 4-MByte pages, 64 entries" },
  79   { 0x51 , "TLB"      , "Instruction TLB: 4 KByte and 2-MByte or 4-MByte pages, 128 entries" },
  80   { 0x52 , "TLB"      , "Instruction TLB: 4 KByte and 2-MByte or 4-MByte pages, 256 entries" },
  81   { 0x55 , "TLB"      , "Instruction TLB: 2-MByte or 4-MByte pages, fully associative, 7 entries" },
  82   { 0x56 , "TLB"      , "Data TLB0: 4 MByte pages, 4-way set associative, 16 entries" },
  83   { 0x57 , "TLB"      , "Data TLB0: 4 KByte pages, 4-way associative, 16 entries" },
  84   { 0x59 , "TLB"      , "Data TLB0: 4 KByte pages, fully associative, 16 entries" },
  85   { 0x5A , "TLB"      , "Data TLB0: 2 MByte or 4 MByte pages, 4-way set associative, 32 entries" },
  86   { 0x5B , "TLB"      , "Data TLB: 4 KByte and 4 MByte pages, 64 entries" },
  87   { 0x5C , "TLB"      , "Data TLB: 4 KByte and 4 MByte pages,128 entries" },
  88   { 0x5D , "TLB"      , "Data TLB: 4 KByte and 4 MByte pages,256 entries" },
  89   { 0x60 , "Cache"    , "1st-level data cache: 16 KByte, 8-way set associative, 64 byte line size" },
  90   { 0x61 , "TLB"      , "Instruction TLB: 4 KByte pages, fully associative, 48 entries" },
  91   { 0x63 , "TLB"      , "Data TLB: 2 MByte or 4 MByte pages, 4-way set associative, 32 entries and a separate array with 1 GByte pages, 4-way set associative, 4 entries" },
  92   { 0x64 , "TLB"      , "Data TLB: 4 KByte pages, 4-way set associative, 512 entries" },
  93   { 0x66 , "Cache"    , "1st-level data cache: 8 KByte, 4-way set associative, 64 byte line size" },
  94   { 0x67 , "Cache"    , "1st-level data cache: 16 KByte, 4-way set associative, 64 byte line size" },
  95   { 0x68 , "Cache"    , "1st-level data cache: 32 KByte, 4-way set associative, 64 byte line size" },
  96   { 0x6A , "Cache"    , "uTLB: 4 KByte pages, 8-way set associative, 64 entries" },
  97   { 0x6B , "Cache"    , "DTLB: 4 KByte pages, 8-way set associative, 256 entries" },
  98   { 0x6C , "Cache"    , "DTLB: 2M/4M pages, 8-way set associative, 128 entries" },
  99   { 0x6D , "Cache"    , "DTLB: 1 GByte pages, fully associative, 16 entries" },
 100   { 0x70 , "Cache"    , "Trace cache: 12 K-uop, 8-way set associative" },
 101   { 0x71 , "Cache"    , "Trace cache: 16 K-uop, 8-way set associative" },
 102   { 0x72 , "Cache"    , "Trace cache: 32 K-uop, 8-way set associative" },
 103   { 0x76 , "TLB"      , "Instruction TLB: 2M/4M pages, fully associative, 8 entries" },
 104   { 0x78 , "Cache"    , "2nd-level cache: 1 MByte, 4-way set associative, 64byte line size" },
 105   { 0x79 , "Cache"    , "2nd-level cache: 128 KByte, 8-way set associative, 64 byte line size, 2 lines per sector" },
 106   { 0x7A , "Cache"    , "2nd-level cache: 256 KByte, 8-way set associative, 64 byte line size, 2 lines per sector" },
 107   { 0x7B , "Cache"    , "2nd-level cache: 512 KByte, 8-way set associative, 64 byte line size, 2 lines per sector" },
 108   { 0x7C , "Cache"    , "2nd-level cache: 1 MByte, 8-way set associative, 64 byte line size, 2 lines per sector" },
 109   { 0x7D , "Cache"    , "2nd-level cache: 2 MByte, 8-way set associative, 64byte line size" },
 110   { 0x7F , "Cache"    , "2nd-level cache: 512 KByte, 2-way set associative, 64-byte line size" },
 111   { 0x80 , "Cache"    , "2nd-level cache: 512 KByte, 8-way set associative, 64-byte line size" },
 112   { 0x82 , "Cache"    , "2nd-level cache: 256 KByte, 8-way set associative, 32 byte line size" },
 113   { 0x83 , "Cache"    , "2nd-level cache: 512 KByte, 8-way set associative, 32 byte line size" },
 114   { 0x84 , "Cache"    , "2nd-level cache: 1 MByte, 8-way set associative, 32 byte line size" },
 115   { 0x85 , "Cache"    , "2nd-level cache: 2 MByte, 8-way set associative, 32 byte line size" },
 116   { 0x86 , "Cache"    , "2nd-level cache: 512 KByte, 4-way set associative, 64 byte line size" },
 117   { 0x87 , "Cache"    , "2nd-level cache: 1 MByte, 8-way set associative, 64 byte line size" },
 118   { 0xA0 , "DTLB"     , "DTLB: 4k pages, fully associative, 32 entries" },
 119   { 0xB0 , "TLB"      , "Instruction TLB: 4 KByte pages, 4-way set associative, 128 entries" },
 120   { 0xB1 , "TLB"      , "Instruction TLB: 2M pages, 4-way, 8 entries or 4M pages, 4-way, 4 entries" },
 121   { 0xB2 , "TLB"      , "Instruction TLB: 4KByte pages, 4-way set associative, 64 entries" },
 122   { 0xB3 , "TLB"      , "Data TLB: 4 KByte pages, 4-way set associative, 128 entries" },
 123   { 0xB4 , "TLB"      , "Data TLB1: 4 KByte pages, 4-way associative, 256 entries" },
 124   { 0xB5 , "TLB"      , "Instruction TLB: 4KByte pages, 8-way set associative, 64 entries" },
 125   { 0xB6 , "TLB"      , "Instruction TLB: 4KByte pages, 8-way set associative, 128 entries" },
 126   { 0xBA , "TLB"      , "Data TLB1: 4 KByte pages, 4-way associative, 64 entries" },
 127   { 0xC0 , "TLB"      , "Data TLB: 4 KByte and 4 MByte pages, 4-way associative, 8 entries" },
 128   { 0xC1 , "STLB"     , "Shared 2nd-Level TLB: 4 KByte/2MByte pages, 8-way associative, 1024 entries" },
 129   { 0xC2 , "DTLB"     , "DTLB: 4 KByte/2 MByte pages, 4-way associative, 16 entries" },
 130   { 0xC3 , "STLB"     , "Shared 2nd-Level TLB: 4 KByte /2 MByte pages, 6-way associative, 1536 entries. Also 1GBbyte pages, 4-way, 16 entries." },
 131   { 0xC4 , "DTLB"     , "DTLB: 2M/4M Byte pages, 4-way associative, 32 entries" },
 132   { 0xCA , "STLB"     , "Shared 2nd-Level TLB: 4 KByte pages, 4-way associative, 512 entries" },
 133   { 0xD0 , "Cache"    , "3rd-level cache: 512 KByte, 4-way set associative, 64 byte line size" },
 134   { 0xD1 , "Cache"    , "3rd-level cache: 1 MByte, 4-way set associative, 64 byte line size" },
 135   { 0xD2 , "Cache"    , "3rd-level cache: 2 MByte, 4-way set associative, 64 byte line size" },
 136   { 0xD6 , "Cache"    , "3rd-level cache: 1 MByte, 8-way set associative, 64 byte line size" },
 137   { 0xD7 , "Cache"    , "3rd-level cache: 2 MByte, 8-way set associative, 64 byte line size" },
 138   { 0xD8 , "Cache"    , "3rd-level cache: 4 MByte, 8-way set associative, 64 byte line size" },
 139   { 0xDC , "Cache"    , "3rd-level cache: 1.5 MByte, 12-way set associative, 64 byte line size" },
 140   { 0xDD , "Cache"    , "3rd-level cache: 3 MByte, 12-way set associative, 64 byte line size" },
 141   { 0xDE , "Cache"    , "3rd-level cache: 6 MByte, 12-way set associative, 64 byte line size" },
 142   { 0xE2 , "Cache"    , "3rd-level cache: 2 MByte, 16-way set associative, 64 byte line size" },
 143   { 0xE3 , "Cache"    , "3rd-level cache: 4 MByte, 16-way set associative, 64 byte line size" },
 144   { 0xE4 , "Cache"    , "3rd-level cache: 8 MByte, 16-way set associative, 64 byte line size" },
 145   { 0xEA , "Cache"    , "3rd-level cache: 12MByte, 24-way set associative, 64 byte line size" },
 146   { 0xEB , "Cache"    , "3rd-level cache: 18MByte, 24-way set associative, 64 byte line size" },
 147   { 0xEC , "Cache"    , "3rd-level cache: 24MByte, 24-way set associative, 64 byte line size" },
 148   { 0xF0 , "Prefetch" , "64-Byte prefetching" },
 149   { 0xF1 , "Prefetch" , "128-Byte prefetching" },
 150   { 0xFE , "General"  , "CPUID leaf 2 does not report TLB descriptor information; use CPUID leaf 18H to query TLB and other address translation parameters." },
 151   { 0xFF , "General"  , "CPUID leaf 2 does not report cache descriptor information, use CPUID leaf 4 to query cache parameters" }
 152 };
 153
 154 ///
 155 /// The maximum supported CPUID leaf index starting from leaf 0x00000000.
 156 ///
 157 UINT32  gMaximumBasicFunction    = CPUID_SIGNATURE;
 158
 159 ///
 160 /// The maximum supported CPUID leaf index starting from leaf 0x80000000.
 161 ///
 162 UINT32  gMaximumExtendedFunction = CPUID_EXTENDED_FUNCTION;
 163
 164 /**
 165   Display CPUID_SIGNATURE leaf.
 166
 167 **/
 168 VOID
 169 CpuidSignature (
 170   VOID
 171   )
 172 {
 173   UINT32 Eax;
 174   UINT32 Ebx;
 175   UINT32 Ecx;
 176   UINT32 Edx;
 177   CHAR8  Signature[13];
 178
 179   AsmCpuid (CPUID_SIGNATURE, &Eax, &Ebx, &Ecx, &Edx);
 180
 181   Print (L"CPUID_SIGNATURE (Leaf %08x)\n", CPUID_SIGNATURE);
 182   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, Ebx, Ecx, Edx);
 183   PRINT_VALUE (Eax, MaximumLeaf);
 184   *(UINT32 *)(Signature + 0) = Ebx;
 185   *(UINT32 *)(Signature + 4) = Edx;
 186   *(UINT32 *)(Signature + 8) = Ecx;
 187   Signature [12] = 0;
 188   Print (L"  Signature = %a\n", Signature);
 189
 190   gMaximumBasicFunction = Eax;
 191 }
 192
 193 /**
 194   Display CPUID_VERSION_INFO leaf.
 195
 196 **/
 197 VOID
 198 CpuidVersionInfo (
 199   VOID
 200   )
 201 {
 202   CPUID_VERSION_INFO_EAX  Eax;
 203   CPUID_VERSION_INFO_EBX  Ebx;
 204   CPUID_VERSION_INFO_ECX  Ecx;
 205   CPUID_VERSION_INFO_EDX  Edx;
 206   UINT32                  DisplayFamily;
 207   UINT32                  DisplayModel;
 208
 209   if (CPUID_VERSION_INFO > gMaximumBasicFunction) {
 210     return;
 211   }
 212
 213   AsmCpuid (CPUID_VERSION_INFO, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32);
 214
 215   Print (L"CPUID_VERSION_INFO (Leaf %08x)\n", CPUID_VERSION_INFO);
 216   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
 217
 218   DisplayFamily = Eax.Bits.FamilyId;
 219   if (Eax.Bits.FamilyId == 0x0F) {
 220     DisplayFamily |= (Eax.Bits.ExtendedFamilyId << 4);
 221   }
 222
 223   DisplayModel = Eax.Bits.Model;
 224   if (Eax.Bits.FamilyId == 0x06 || Eax.Bits.FamilyId == 0x0f) {
 225     DisplayModel |= (Eax.Bits.ExtendedModelId << 4);
 226   }
 227
 228   Print (L"  Family = %x  Model = %x  Stepping = %x\n", DisplayFamily, DisplayModel, Eax.Bits.SteppingId);
 229
 230   PRINT_BIT_FIELD (Eax, SteppingId);
 231   PRINT_BIT_FIELD (Eax, Model);
 232   PRINT_BIT_FIELD (Eax, FamilyId);
 233   PRINT_BIT_FIELD (Eax, ProcessorType);
 234   PRINT_BIT_FIELD (Eax, ExtendedModelId);
 235   PRINT_BIT_FIELD (Eax, ExtendedFamilyId);
 236   PRINT_BIT_FIELD (Ebx, BrandIndex);
 237   PRINT_BIT_FIELD (Ebx, CacheLineSize);
 238   PRINT_BIT_FIELD (Ebx, MaximumAddressableIdsForLogicalProcessors);
 239   PRINT_BIT_FIELD (Ebx, InitialLocalApicId);
 240   PRINT_BIT_FIELD (Ecx, SSE3);
 241   PRINT_BIT_FIELD (Ecx, PCLMULQDQ);
 242   PRINT_BIT_FIELD (Ecx, DTES64);
 243   PRINT_BIT_FIELD (Ecx, MONITOR);
 244   PRINT_BIT_FIELD (Ecx, DS_CPL);
 245   PRINT_BIT_FIELD (Ecx, VMX);
 246   PRINT_BIT_FIELD (Ecx, SMX);
 247   PRINT_BIT_FIELD (Ecx, TM2);
 248   PRINT_BIT_FIELD (Ecx, SSSE3);
 249   PRINT_BIT_FIELD (Ecx, CNXT_ID);
 250   PRINT_BIT_FIELD (Ecx, SDBG);
 251   PRINT_BIT_FIELD (Ecx, FMA);
 252   PRINT_BIT_FIELD (Ecx, CMPXCHG16B);
 253   PRINT_BIT_FIELD (Ecx, xTPR_Update_Control);
 254   PRINT_BIT_FIELD (Ecx, PDCM);
 255   PRINT_BIT_FIELD (Ecx, PCID);
 256   PRINT_BIT_FIELD (Ecx, DCA);
 257   PRINT_BIT_FIELD (Ecx, SSE4_1);
 258   PRINT_BIT_FIELD (Ecx, SSE4_2);
 259   PRINT_BIT_FIELD (Ecx, x2APIC);
 260   PRINT_BIT_FIELD (Ecx, MOVBE);
 261   PRINT_BIT_FIELD (Ecx, POPCNT);
 262   PRINT_BIT_FIELD (Ecx, TSC_Deadline);
 263   PRINT_BIT_FIELD (Ecx, AESNI);
 264   PRINT_BIT_FIELD (Ecx, XSAVE);
 265   PRINT_BIT_FIELD (Ecx, OSXSAVE);
 266   PRINT_BIT_FIELD (Ecx, AVX);
 267   PRINT_BIT_FIELD (Ecx, F16C);
 268   PRINT_BIT_FIELD (Ecx, RDRAND);
 269   PRINT_BIT_FIELD (Edx, FPU);
 270   PRINT_BIT_FIELD (Edx, VME);
 271   PRINT_BIT_FIELD (Edx, DE);
 272   PRINT_BIT_FIELD (Edx, PSE);
 273   PRINT_BIT_FIELD (Edx, TSC);
 274   PRINT_BIT_FIELD (Edx, MSR);
 275   PRINT_BIT_FIELD (Edx, PAE);
 276   PRINT_BIT_FIELD (Edx, MCE);
 277   PRINT_BIT_FIELD (Edx, CX8);
 278   PRINT_BIT_FIELD (Edx, APIC);
 279   PRINT_BIT_FIELD (Edx, SEP);
 280   PRINT_BIT_FIELD (Edx, MTRR);
 281   PRINT_BIT_FIELD (Edx, PGE);
 282   PRINT_BIT_FIELD (Edx, MCA);
 283   PRINT_BIT_FIELD (Edx, CMOV);
 284   PRINT_BIT_FIELD (Edx, PAT);
 285   PRINT_BIT_FIELD (Edx, PSE_36);
 286   PRINT_BIT_FIELD (Edx, PSN);
 287   PRINT_BIT_FIELD (Edx, CLFSH);
 288   PRINT_BIT_FIELD (Edx, DS);
 289   PRINT_BIT_FIELD (Edx, ACPI);
 290   PRINT_BIT_FIELD (Edx, MMX);
 291   PRINT_BIT_FIELD (Edx, FXSR);
 292   PRINT_BIT_FIELD (Edx, SSE);
 293   PRINT_BIT_FIELD (Edx, SSE2);
 294   PRINT_BIT_FIELD (Edx, SS);
 295   PRINT_BIT_FIELD (Edx, HTT);
 296   PRINT_BIT_FIELD (Edx, TM);
 297   PRINT_BIT_FIELD (Edx, PBE);
 298 }
 299
 300 /**
 301   Lookup a cache description string from the mCpuidCacheInfoDescription table.
 302
 303   @param[in] CacheDescriptor  Cache descriptor value from CPUID_CACHE_INFO.
 304
 305 **/
 306 CPUID_CACHE_INFO_DESCRIPTION *
 307 LookupCacheDescription (
 308   UINT8  CacheDescriptor
 309   )
 310 {
 311   UINTN  NumDescriptors;
 312   UINTN  Descriptor;
 313
 314   if (CacheDescriptor == 0x00) {
 315     return NULL;
 316   }
 317   NumDescriptors = sizeof (mCpuidCacheInfoDescription)/sizeof (mCpuidCacheInfoDescription[0]);
 318   for (Descriptor = 0; Descriptor < NumDescriptors; Descriptor++) {
 319     if (CacheDescriptor == mCpuidCacheInfoDescription[Descriptor].CacheDescriptor) {
 320       return &mCpuidCacheInfoDescription[Descriptor];
 321     }
 322   }
 323   return NULL;
 324 }
 325
 326 /**
 327   Display CPUID_CACHE_INFO leaf for each supported cache descriptor.
 328
 329 **/
 330 VOID
 331 CpuidCacheInfo (
 332   VOID
 333   )
 334 {
 335   CPUID_CACHE_INFO_CACHE_TLB    Eax;
 336   CPUID_CACHE_INFO_CACHE_TLB    Ebx;
 337   CPUID_CACHE_INFO_CACHE_TLB    Ecx;
 338   CPUID_CACHE_INFO_CACHE_TLB    Edx;
 339   UINTN                         Index;
 340   CPUID_CACHE_INFO_DESCRIPTION  *CacheDescription;
 341
 342   if (CPUID_CACHE_INFO > gMaximumBasicFunction) {
 343     return;
 344   }
 345
 346   AsmCpuid (CPUID_CACHE_INFO, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32);
 347
 348   Print (L"CPUID_CACHE_INFO (Leaf %08x)\n", CPUID_CACHE_INFO);
 349   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
 350   if (Eax.Bits.NotValid == 0) {
 351     //
 352     // Process Eax.CacheDescriptor[1..3].  Ignore Eax.CacheDescriptor[0]
 353     //
 354     for (Index = 1; Index < 4; Index++) {
 355       CacheDescription = LookupCacheDescription (Eax.CacheDescriptor[Index]);
 356       if (CacheDescription != NULL) {
 357         Print (L"  %-8a %a\n",
 358           CacheDescription->Type,
 359           CacheDescription->Description
 360           );
 361       }
 362     }
 363   }
 364   if (Ebx.Bits.NotValid == 0) {
 365     //
 366     // Process Ebx.CacheDescriptor[0..3]
 367     //
 368     for (Index = 0; Index < 4; Index++) {
 369       CacheDescription = LookupCacheDescription (Ebx.CacheDescriptor[Index]);
 370       if (CacheDescription != NULL) {
 371         Print (L"  %-8a %a\n",
 372           CacheDescription->Type,
 373           CacheDescription->Description
 374           );
 375       }
 376     }
 377   }
 378   if (Ecx.Bits.NotValid == 0) {
 379     //
 380     // Process Ecx.CacheDescriptor[0..3]
 381     //
 382     for (Index = 0; Index < 4; Index++) {
 383       CacheDescription = LookupCacheDescription (Ecx.CacheDescriptor[Index]);
 384       if (CacheDescription != NULL) {
 385         Print (L"  %-8a %a\n",
 386           CacheDescription->Type,
 387           CacheDescription->Description
 388           );
 389       }
 390     }
 391   }
 392   if (Edx.Bits.NotValid == 0) {
 393     //
 394     // Process Edx.CacheDescriptor[0..3]
 395     //
 396     for (Index = 0; Index < 4; Index++) {
 397       CacheDescription = LookupCacheDescription (Edx.CacheDescriptor[Index]);
 398       if (CacheDescription != NULL) {
 399         Print (L"  %-8a %a\n",
 400           CacheDescription->Type,
 401           CacheDescription->Description
 402           );
 403       }
 404     }
 405   }
 406 }
 407
 408 /**
 409   Display CPUID_SERIAL_NUMBER leaf if it is supported.
 410
 411 **/
 412 VOID
 413 CpuidSerialNumber (
 414   VOID
 415   )
 416 {
 417   CPUID_VERSION_INFO_EDX  VersionInfoEdx;
 418   UINT32                  Ecx;
 419   UINT32                  Edx;
 420
 421   Print (L"CPUID_SERIAL_NUMBER (Leaf %08x)\n", CPUID_SERIAL_NUMBER);
 422
 423   if (CPUID_SERIAL_NUMBER > gMaximumBasicFunction) {
 424     return;
 425   }
 426
 427   AsmCpuid (CPUID_VERSION_INFO, NULL, NULL, NULL, &VersionInfoEdx.Uint32);
 428   if (VersionInfoEdx.Bits.PSN == 0) {
 429     Print (L"  Not Supported\n");
 430     return;
 431   }
 432
 433   AsmCpuid (CPUID_SERIAL_NUMBER, NULL, NULL, &Ecx, &Edx);
 434   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", 0, 0, Ecx, Edx);
 435   Print (L"  Processor Serial Number = %08x%08x%08x\n", 0, Edx, Ecx);
 436 }
 437
 438 /**
 439   Display CPUID_CACHE_PARAMS for all supported sub-leafs.
 440
 441 **/
 442 VOID
 443 CpuidCacheParams (
 444   VOID
 445   )
 446 {
 447   UINT32                  CacheLevel;
 448   CPUID_CACHE_PARAMS_EAX  Eax;
 449   CPUID_CACHE_PARAMS_EBX  Ebx;
 450   UINT32                  Ecx;
 451   CPUID_CACHE_PARAMS_EDX  Edx;
 452
 453   if (CPUID_CACHE_PARAMS > gMaximumBasicFunction) {
 454     return;
 455   }
 456
 457   CacheLevel = 0;
 458   do {
 459     AsmCpuidEx (
 460       CPUID_CACHE_PARAMS, CacheLevel,
 461       &Eax.Uint32, &Ebx.Uint32, &Ecx, &Edx.Uint32
 462       );
 463     if (Eax.Bits.CacheType != CPUID_CACHE_PARAMS_CACHE_TYPE_NULL) {
 464       Print (L"CPUID_CACHE_PARAMS (Leaf %08x, Sub-Leaf %08x)\n", CPUID_CACHE_PARAMS, CacheLevel);
 465       Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx, Edx.Uint32);
 466       PRINT_BIT_FIELD (Eax, CacheType);
 467       PRINT_BIT_FIELD (Eax, CacheLevel);
 468       PRINT_BIT_FIELD (Eax, SelfInitializingCache);
 469       PRINT_BIT_FIELD (Eax, FullyAssociativeCache);
 470       PRINT_BIT_FIELD (Eax, MaximumAddressableIdsForLogicalProcessors);
 471       PRINT_BIT_FIELD (Eax, MaximumAddressableIdsForProcessorCores);
 472       PRINT_BIT_FIELD (Ebx, LineSize);
 473       PRINT_BIT_FIELD (Ebx, LinePartitions);
 474       PRINT_BIT_FIELD (Ebx, Ways);
 475       PRINT_VALUE     (Ecx, NumberOfSets);
 476       PRINT_BIT_FIELD (Edx, Invalidate);
 477       PRINT_BIT_FIELD (Edx, CacheInclusiveness);
 478       PRINT_BIT_FIELD (Edx, ComplexCacheIndexing);
 479     }
 480     CacheLevel++;
 481   } while (Eax.Bits.CacheType != CPUID_CACHE_PARAMS_CACHE_TYPE_NULL);
 482 }
 483
 484 /**
 485   Display CPUID_MONITOR_MWAIT leaf.
 486
 487 **/
 488 VOID
 489 CpuidMonitorMwait (
 490   VOID
 491   )
 492 {
 493   CPUID_MONITOR_MWAIT_EAX  Eax;
 494   CPUID_MONITOR_MWAIT_EBX  Ebx;
 495   CPUID_MONITOR_MWAIT_ECX  Ecx;
 496   CPUID_MONITOR_MWAIT_EDX  Edx;
 497
 498   if (CPUID_MONITOR_MWAIT > gMaximumBasicFunction) {
 499     return;
 500   }
 501
 502   AsmCpuid (CPUID_MONITOR_MWAIT, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32);
 503
 504   Print (L"CPUID_MONITOR_MWAIT (Leaf %08x)\n", CPUID_MONITOR_MWAIT);
 505   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
 506
 507   PRINT_BIT_FIELD (Eax, SmallestMonitorLineSize);
 508   PRINT_BIT_FIELD (Ebx, LargestMonitorLineSize);
 509   PRINT_BIT_FIELD (Ecx, ExtensionsSupported);
 510   PRINT_BIT_FIELD (Ecx, InterruptAsBreak);
 511   PRINT_BIT_FIELD (Edx, C0States);
 512   PRINT_BIT_FIELD (Edx, C1States);
 513   PRINT_BIT_FIELD (Edx, C2States);
 514   PRINT_BIT_FIELD (Edx, C3States);
 515   PRINT_BIT_FIELD (Edx, C4States);
 516   PRINT_BIT_FIELD (Edx, C5States);
 517   PRINT_BIT_FIELD (Edx, C6States);
 518   PRINT_BIT_FIELD (Edx, C7States);
 519 }
 520
 521 /**
 522   Display CPUID_THERMAL_POWER_MANAGEMENT leaf.
 523
 524 **/
 525 VOID
 526 CpuidThermalPowerManagement (
 527   VOID
 528   )
 529 {
 530   CPUID_THERMAL_POWER_MANAGEMENT_EAX  Eax;
 531   CPUID_THERMAL_POWER_MANAGEMENT_EBX  Ebx;
 532   CPUID_THERMAL_POWER_MANAGEMENT_ECX  Ecx;
 533
 534   if (CPUID_THERMAL_POWER_MANAGEMENT > gMaximumBasicFunction) {
 535     return;
 536   }
 537
 538   AsmCpuid (CPUID_THERMAL_POWER_MANAGEMENT, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, NULL);
 539
 540   Print (L"CPUID_THERMAL_POWER_MANAGEMENT (Leaf %08x)\n", CPUID_THERMAL_POWER_MANAGEMENT);
 541   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, 0);
 542
 543   PRINT_BIT_FIELD (Eax, DigitalTemperatureSensor);
 544   PRINT_BIT_FIELD (Eax, TurboBoostTechnology);
 545   PRINT_BIT_FIELD (Eax, ARAT);
 546   PRINT_BIT_FIELD (Eax, PLN);
 547   PRINT_BIT_FIELD (Eax, ECMD);
 548   PRINT_BIT_FIELD (Eax, PTM);
 549   PRINT_BIT_FIELD (Eax, HWP);
 550   PRINT_BIT_FIELD (Eax, HWP_Notification);
 551   PRINT_BIT_FIELD (Eax, HWP_Activity_Window);
 552   PRINT_BIT_FIELD (Eax, HWP_Energy_Performance_Preference);
 553   PRINT_BIT_FIELD (Eax, HWP_Package_Level_Request);
 554   PRINT_BIT_FIELD (Eax, HDC);
 555   PRINT_BIT_FIELD (Eax, TurboBoostMaxTechnology30);
 556   PRINT_BIT_FIELD (Eax, HWPCapabilities);
 557   PRINT_BIT_FIELD (Eax, HWPPECIOverride);
 558   PRINT_BIT_FIELD (Eax, FlexibleHWP);
 559   PRINT_BIT_FIELD (Eax, FastAccessMode);
 560   PRINT_BIT_FIELD (Eax, IgnoringIdleLogicalProcessorHWPRequest);
 561   PRINT_BIT_FIELD (Ebx, InterruptThresholds);
 562   PRINT_BIT_FIELD (Ecx, HardwareCoordinationFeedback);
 563   PRINT_BIT_FIELD (Ecx, PerformanceEnergyBias);
 564 }
 565
 566 /**
 567   Display CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS for all supported sub-leafs.
 568
 569 **/
 570 VOID
 571 CpuidStructuredExtendedFeatureFlags (
 572   VOID
 573   )
 574 {
 575   UINT32                                       Eax;
 576   CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_EBX  Ebx;
 577   CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_ECX  Ecx;
 578   CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_EDX  Edx;
 579   UINT32                                       SubLeaf;
 580
 581   if (CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS > gMaximumBasicFunction) {
 582     return;
 583   }
 584
 585   AsmCpuidEx (
 586     CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS,
 587     CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_SUB_LEAF_INFO,
 588     &Eax, NULL, NULL, NULL
 589     );
 590   for (SubLeaf = 0; SubLeaf <= Eax; SubLeaf++) {
 591     AsmCpuidEx (
 592       CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS,
 593       SubLeaf,
 594       NULL, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32
 595       );
 596     if (Ebx.Uint32 != 0 || Ecx.Uint32 != 0 || Edx.Uint32 != 0) {
 597       Print (L"CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS (Leaf %08x, Sub-Leaf %08x)\n", CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS, SubLeaf);
 598       Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
 599       PRINT_BIT_FIELD (Ebx, FSGSBASE);
 600       PRINT_BIT_FIELD (Ebx, IA32_TSC_ADJUST);
 601       PRINT_BIT_FIELD (Ebx, SGX);
 602       PRINT_BIT_FIELD (Ebx, BMI1);
 603       PRINT_BIT_FIELD (Ebx, HLE);
 604       PRINT_BIT_FIELD (Ebx, AVX2);
 605       PRINT_BIT_FIELD (Ebx, FDP_EXCPTN_ONLY);
 606       PRINT_BIT_FIELD (Ebx, SMEP);
 607       PRINT_BIT_FIELD (Ebx, BMI2);
 608       PRINT_BIT_FIELD (Ebx, EnhancedRepMovsbStosb);
 609       PRINT_BIT_FIELD (Ebx, INVPCID);
 610       PRINT_BIT_FIELD (Ebx, RTM);
 611       PRINT_BIT_FIELD (Ebx, RDT_M);
 612       PRINT_BIT_FIELD (Ebx, DeprecateFpuCsDs);
 613       PRINT_BIT_FIELD (Ebx, MPX);
 614       PRINT_BIT_FIELD (Ebx, RDT_A);
 615       PRINT_BIT_FIELD (Ebx, AVX512F);
 616       PRINT_BIT_FIELD (Ebx, AVX512DQ);
 617       PRINT_BIT_FIELD (Ebx, RDSEED);
 618       PRINT_BIT_FIELD (Ebx, ADX);
 619       PRINT_BIT_FIELD (Ebx, SMAP);
 620       PRINT_BIT_FIELD (Ebx, AVX512_IFMA);
 621       PRINT_BIT_FIELD (Ebx, CLFLUSHOPT);
 622       PRINT_BIT_FIELD (Ebx, CLWB);
 623       PRINT_BIT_FIELD (Ebx, IntelProcessorTrace);
 624       PRINT_BIT_FIELD (Ebx, AVX512PF);
 625       PRINT_BIT_FIELD (Ebx, AVX512ER);
 626       PRINT_BIT_FIELD (Ebx, AVX512CD);
 627       PRINT_BIT_FIELD (Ebx, SHA);
 628       PRINT_BIT_FIELD (Ebx, AVX512BW);
 629       PRINT_BIT_FIELD (Ebx, AVX512VL);
 630
 631       PRINT_BIT_FIELD (Ecx, PREFETCHWT1);
 632       PRINT_BIT_FIELD (Ecx, AVX512_VBMI);
 633       PRINT_BIT_FIELD (Ecx, UMIP);
 634       PRINT_BIT_FIELD (Ecx, PKU);
 635       PRINT_BIT_FIELD (Ecx, OSPKE);
 636       PRINT_BIT_FIELD (Ecx, AVX512_VPOPCNTDQ);
 637       PRINT_BIT_FIELD (Ecx, MAWAU);
 638       PRINT_BIT_FIELD (Ecx, RDPID);
 639       PRINT_BIT_FIELD (Ecx, SGX_LC);
 640
 641       PRINT_BIT_FIELD (Edx, AVX512_4VNNIW);
 642       PRINT_BIT_FIELD (Edx, AVX512_4FMAPS);
 643       PRINT_BIT_FIELD (Edx, EnumeratesSupportForIBRSAndIBPB);
 644       PRINT_BIT_FIELD (Edx, EnumeratesSupportForSTIBP);
 645       PRINT_BIT_FIELD (Edx, EnumeratesSupportForL1D_FLUSH);
 646       PRINT_BIT_FIELD (Edx, EnumeratesSupportForCapability);
 647       PRINT_BIT_FIELD (Edx, EnumeratesSupportForSSBD);
 648     }
 649   }
 650 }
 651
 652 /**
 653   Display CPUID_DIRECT_CACHE_ACCESS_INFO leaf.
 654
 655 **/
 656 VOID
 657 CpuidDirectCacheAccessInfo (
 658   VOID
 659   )
 660 {
 661   UINT32  Eax;
 662
 663   if (CPUID_DIRECT_CACHE_ACCESS_INFO > gMaximumBasicFunction) {
 664     return;
 665   }
 666
 667   AsmCpuid (CPUID_DIRECT_CACHE_ACCESS_INFO, &Eax, NULL, NULL, NULL);
 668   Print (L"CPUID_DIRECT_CACHE_ACCESS_INFO (Leaf %08x)\n", CPUID_DIRECT_CACHE_ACCESS_INFO);
 669   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, 0, 0, 0);
 670 }
 671
 672 /**
 673   Display CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING leaf.
 674
 675 **/
 676 VOID
 677 CpuidArchitecturalPerformanceMonitoring (
 678   VOID
 679   )
 680 {
 681   CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EAX  Eax;
 682   CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EBX  Ebx;
 683   CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING_EDX  Edx;
 684
 685   if (CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING > gMaximumBasicFunction) {
 686     return;
 687   }
 688
 689   AsmCpuid (CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING, &Eax.Uint32, &Ebx.Uint32, NULL, &Edx.Uint32);
 690   Print (L"CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING (Leaf %08x)\n", CPUID_ARCHITECTURAL_PERFORMANCE_MONITORING);
 691   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, 0, Edx.Uint32);
 692   PRINT_BIT_FIELD (Eax, ArchPerfMonVerID);
 693   PRINT_BIT_FIELD (Eax, PerformanceMonitorCounters);
 694   PRINT_BIT_FIELD (Eax, PerformanceMonitorCounterWidth);
 695   PRINT_BIT_FIELD (Eax, EbxBitVectorLength);
 696   PRINT_BIT_FIELD (Ebx, UnhaltedCoreCycles);
 697   PRINT_BIT_FIELD (Ebx, InstructionsRetired);
 698   PRINT_BIT_FIELD (Ebx, UnhaltedReferenceCycles);
 699   PRINT_BIT_FIELD (Ebx, LastLevelCacheReferences);
 700   PRINT_BIT_FIELD (Ebx, LastLevelCacheMisses);
 701   PRINT_BIT_FIELD (Ebx, BranchInstructionsRetired);
 702   PRINT_BIT_FIELD (Ebx, AllBranchMispredictRetired);
 703   PRINT_BIT_FIELD (Edx, FixedFunctionPerformanceCounters);
 704   PRINT_BIT_FIELD (Edx, FixedFunctionPerformanceCounterWidth);
 705   PRINT_BIT_FIELD (Edx, AnyThreadDeprecation);
 706 }
 707
 708 /**
 709   Display CPUID_EXTENDED_TOPOLOGY leafs for all supported levels.
 710
 711 **/
 712 VOID
 713 CpuidExtendedTopology (
 714   UINT32                       LeafFunction
 715   )
 716 {
 717   CPUID_EXTENDED_TOPOLOGY_EAX  Eax;
 718   CPUID_EXTENDED_TOPOLOGY_EBX  Ebx;
 719   CPUID_EXTENDED_TOPOLOGY_ECX  Ecx;
 720   UINT32                       Edx;
 721   UINT32                       LevelNumber;
 722
 723   if (LeafFunction > gMaximumBasicFunction) {
 724     return;
 725   }
 726   if ((LeafFunction != CPUID_EXTENDED_TOPOLOGY) && (LeafFunction != CPUID_V2_EXTENDED_TOPOLOGY)) {
 727     return;
 728   }
 729
 730   LevelNumber = 0;
 731   for (LevelNumber = 0; ; LevelNumber++) {
 732     AsmCpuidEx (
 733       LeafFunction, LevelNumber,
 734       &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx
 735       );
 736     if (Ecx.Bits.LevelType == CPUID_EXTENDED_TOPOLOGY_LEVEL_TYPE_INVALID) {
 737       break;
 738     }
 739     Print (
 740       L"%a (Leaf %08x, Sub-Leaf %08x)\n",
 741       LeafFunction == CPUID_EXTENDED_TOPOLOGY ? "CPUID_EXTENDED_TOPOLOGY" : "CPUID_V2_EXTENDED_TOPOLOGY",
 742       LeafFunction, LevelNumber
 743       );
 744     Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx);
 745     PRINT_BIT_FIELD (Eax, ApicIdShift);
 746     PRINT_BIT_FIELD (Ebx, LogicalProcessors);
 747     PRINT_BIT_FIELD (Ecx, LevelNumber);
 748     PRINT_BIT_FIELD (Ecx, LevelType);
 749     PRINT_VALUE     (Edx, x2APIC_ID);
 750   }
 751 }
 752
 753 /**
 754   Display CPUID_EXTENDED_STATE sub-leaf.
 755
 756 **/
 757 VOID
 758 CpuidExtendedStateSubLeaf (
 759   VOID
 760   )
 761 {
 762   CPUID_EXTENDED_STATE_SUB_LEAF_EAX  Eax;
 763   UINT32                             Ebx;
 764   CPUID_EXTENDED_STATE_SUB_LEAF_ECX  Ecx;
 765   UINT32                             Edx;
 766
 767   AsmCpuidEx (
 768     CPUID_EXTENDED_STATE, CPUID_EXTENDED_STATE_SUB_LEAF,
 769     &Eax.Uint32, &Ebx, &Ecx.Uint32, &Edx
 770     );
 771   Print (L"CPUID_EXTENDED_STATE (Leaf %08x, Sub-Leaf %08x)\n", CPUID_EXTENDED_STATE, CPUID_EXTENDED_STATE_SUB_LEAF);
 772   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx, Ecx.Uint32, Edx);
 773   PRINT_BIT_FIELD (Eax, XSAVEOPT);
 774   PRINT_BIT_FIELD (Eax, XSAVEC);
 775   PRINT_BIT_FIELD (Eax, XGETBV);
 776   PRINT_BIT_FIELD (Eax, XSAVES);
 777   PRINT_VALUE     (Ebx, EnabledSaveStateSize_XCR0_IA32_XSS);
 778   PRINT_BIT_FIELD (Ecx, XCR0);
 779   PRINT_BIT_FIELD (Ecx, HWPState);
 780   PRINT_BIT_FIELD (Ecx, PT);
 781   PRINT_BIT_FIELD (Ecx, XCR0_1);
 782   PRINT_VALUE     (Edx, IA32_XSS_Supported_32_63);
 783 }
 784
 785 /**
 786   Display CPUID_EXTENDED_STATE size and offset information sub-leaf.
 787
 788 **/
 789 VOID
 790 CpuidExtendedStateSizeOffset (
 791   VOID
 792   )
 793 {
 794   UINT32                                Eax;
 795   UINT32                                Ebx;
 796   CPUID_EXTENDED_STATE_SIZE_OFFSET_ECX  Ecx;
 797   UINT32                                Edx;
 798   UINT32                                SubLeaf;
 799
 800   for (SubLeaf = CPUID_EXTENDED_STATE_SIZE_OFFSET; SubLeaf < 32; SubLeaf++) {
 801     AsmCpuidEx (
 802       CPUID_EXTENDED_STATE, SubLeaf,
 803       &Eax, &Ebx, &Ecx.Uint32, &Edx
 804       );
 805     if (Edx != 0) {
 806       Print (L"CPUID_EXTENDED_STATE (Leaf %08x, Sub-Leaf %08x)\n", CPUID_EXTENDED_STATE, SubLeaf);
 807       Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, Ebx, Ecx.Uint32, Edx);
 808       PRINT_VALUE     (Eax, FeatureSaveStateSize);
 809       PRINT_VALUE     (Ebx, FeatureSaveStateOffset);
 810       PRINT_BIT_FIELD (Ecx, XSS);
 811       PRINT_BIT_FIELD (Ecx, Compacted);
 812     }
 813   }
 814 }
 815
 816 /**
 817   Display CPUID_EXTENDED_STATE main leaf and sub-leafs.
 818
 819 **/
 820 VOID
 821 CpuidExtendedStateMainLeaf (
 822   VOID
 823   )
 824 {
 825   CPUID_EXTENDED_STATE_MAIN_LEAF_EAX  Eax;
 826   UINT32                              Ebx;
 827   UINT32                              Ecx;
 828   UINT32                              Edx;
 829
 830   if (CPUID_EXTENDED_STATE > gMaximumBasicFunction) {
 831     return;
 832   }
 833
 834   AsmCpuidEx (
 835     CPUID_EXTENDED_STATE, CPUID_EXTENDED_STATE_MAIN_LEAF,
 836     &Eax.Uint32, &Ebx, &Ecx, &Edx
 837     );
 838   Print (L"CPUID_EXTENDED_STATE (Leaf %08x, Sub-Leaf %08x)\n", CPUID_EXTENDED_STATE, CPUID_EXTENDED_STATE_MAIN_LEAF);
 839   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx, Ecx, Edx);
 840   PRINT_BIT_FIELD (Eax, x87);
 841   PRINT_BIT_FIELD (Eax, SSE);
 842   PRINT_BIT_FIELD (Eax, AVX);
 843   PRINT_BIT_FIELD (Eax, MPX);
 844   PRINT_BIT_FIELD (Eax, AVX_512);
 845   PRINT_BIT_FIELD (Eax, IA32_XSS);
 846   PRINT_BIT_FIELD (Eax, PKRU);
 847   PRINT_BIT_FIELD (Eax, IA32_XSS_2);
 848   PRINT_VALUE     (Ebx, EnabledSaveStateSize);
 849   PRINT_VALUE     (Ecx, SupportedSaveStateSize);
 850   PRINT_VALUE     (Edx, XCR0_Supported_32_63);
 851
 852   CpuidExtendedStateSubLeaf ();
 853   CpuidExtendedStateSizeOffset ();
 854 }
 855
 856 /**
 857   Display CPUID_INTEL_RDT_MONITORING enumeration sub-leaf.
 858
 859 **/
 860 VOID
 861 CpuidIntelRdtMonitoringEnumerationSubLeaf (
 862   VOID
 863   )
 864 {
 865   UINT32                                                  Ebx;
 866   CPUID_INTEL_RDT_MONITORING_ENUMERATION_SUB_LEAF_EDX     Edx;
 867
 868   if (CPUID_INTEL_RDT_MONITORING > gMaximumBasicFunction) {
 869     return;
 870   }
 871
 872   AsmCpuidEx (
 873     CPUID_INTEL_RDT_MONITORING, CPUID_INTEL_RDT_MONITORING_ENUMERATION_SUB_LEAF,
 874     NULL, &Ebx, NULL, &Edx.Uint32
 875     );
 876   Print (L"CPUID_INTEL_RDT_MONITORING (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_RDT_MONITORING, CPUID_INTEL_RDT_MONITORING_ENUMERATION_SUB_LEAF);
 877   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", 0, Ebx, 0, Edx.Uint32);
 878   PRINT_VALUE     (Ebx, Maximum_RMID_Range);
 879   PRINT_BIT_FIELD (Edx, L3CacheRDT_M);
 880 }
 881
 882 /**
 883   Display CPUID_INTEL_RDT_MONITORING L3 cache capability sub-leaf.
 884
 885 **/
 886 VOID
 887 CpuidIntelRdtMonitoringL3CacheCapabilitySubLeaf (
 888   VOID
 889   )
 890 {
 891   UINT32                                                 Ebx;
 892   UINT32                                                 Ecx;
 893   CPUID_INTEL_RDT_MONITORING_L3_CACHE_SUB_LEAF_EDX       Edx;
 894
 895   if (CPUID_INTEL_RDT_MONITORING > gMaximumBasicFunction) {
 896     return;
 897   }
 898
 899   AsmCpuidEx (
 900     CPUID_INTEL_RDT_MONITORING, CPUID_INTEL_RDT_MONITORING_L3_CACHE_SUB_LEAF,
 901     NULL, &Ebx, &Ecx, &Edx.Uint32
 902     );
 903   Print (L"CPUID_INTEL_RDT_MONITORING (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_RDT_MONITORING, CPUID_INTEL_RDT_MONITORING_L3_CACHE_SUB_LEAF);
 904   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", 0, Ebx, Ecx, Edx.Uint32);
 905   PRINT_VALUE     (Ebx, OccupancyConversionFactor);
 906   PRINT_VALUE     (Ecx, Maximum_RMID_Range);
 907   PRINT_BIT_FIELD (Edx, L3CacheOccupancyMonitoring);
 908   PRINT_BIT_FIELD (Edx, L3CacheTotalBandwidthMonitoring);
 909   PRINT_BIT_FIELD (Edx, L3CacheLocalBandwidthMonitoring);
 910 }
 911
 912 /**
 913   Display CPUID_INTEL_RDT_ALLOCATION memory bandwidth allocation technology enumeration
 914   sub-leaf.
 915
 916 **/
 917 VOID
 918 CpuidIntelRdtAllocationMemoryBandwidthSubLeaf (
 919   VOID
 920   )
 921 {
 922   CPUID_INTEL_RDT_ALLOCATION_MEMORY_BANDWIDTH_SUB_LEAF_EAX  Eax;
 923   UINT32                                                    Ebx;
 924   CPUID_INTEL_RDT_ALLOCATION_MEMORY_BANDWIDTH_SUB_LEAF_ECX  Ecx;
 925   CPUID_INTEL_RDT_ALLOCATION_MEMORY_BANDWIDTH_SUB_LEAF_EDX  Edx;
 926
 927   AsmCpuidEx (
 928     CPUID_INTEL_RDT_ALLOCATION, CPUID_INTEL_RDT_ALLOCATION_MEMORY_BANDWIDTH_SUB_LEAF,
 929     &Eax.Uint32, &Ebx, &Ecx.Uint32, &Edx.Uint32
 930     );
 931   Print (L"CPUID_INTEL_RDT_ALLOCATION (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_RDT_ALLOCATION, CPUID_INTEL_RDT_ALLOCATION_MEMORY_BANDWIDTH_SUB_LEAF);
 932   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx, Ecx.Uint32, Edx.Uint32);
 933   PRINT_BIT_FIELD (Eax, MaximumMBAThrottling);
 934   PRINT_VALUE     (Ebx, AllocationUnitBitMap);
 935   PRINT_BIT_FIELD (Ecx, Liner);
 936   PRINT_BIT_FIELD (Edx, HighestCosNumber);
 937 }
 938
 939 /**
 940   Display CPUID_INTEL_RDT_ALLOCATION L3 cache allocation technology enumeration
 941   sub-leaf.
 942
 943 **/
 944 VOID
 945 CpuidIntelRdtAllocationL3CacheSubLeaf (
 946   VOID
 947   )
 948 {
 949   CPUID_INTEL_RDT_ALLOCATION_L3_CACHE_SUB_LEAF_EAX  Eax;
 950   UINT32                                            Ebx;
 951   CPUID_INTEL_RDT_ALLOCATION_L3_CACHE_SUB_LEAF_ECX  Ecx;
 952   CPUID_INTEL_RDT_ALLOCATION_L3_CACHE_SUB_LEAF_EDX  Edx;
 953
 954   AsmCpuidEx (
 955     CPUID_INTEL_RDT_ALLOCATION, CPUID_INTEL_RDT_ALLOCATION_L3_CACHE_SUB_LEAF,
 956     &Eax.Uint32, &Ebx, &Ecx.Uint32, &Edx.Uint32
 957     );
 958   Print (L"CPUID_INTEL_RDT_ALLOCATION (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_RDT_ALLOCATION, CPUID_INTEL_RDT_ALLOCATION_L3_CACHE_SUB_LEAF);
 959   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx, Ecx.Uint32, Edx.Uint32);
 960   PRINT_BIT_FIELD (Eax, CapacityLength);
 961   PRINT_VALUE     (Ebx, AllocationUnitBitMap);
 962   PRINT_BIT_FIELD (Ecx, CodeDataPrioritization);
 963   PRINT_BIT_FIELD (Edx, HighestCosNumber);
 964 }
 965
 966 /**
 967   Display CPUID_INTEL_RDT_ALLOCATION L2 cache allocation technology enumeration
 968   sub-leaf.
 969
 970 **/
 971 VOID
 972 CpuidIntelRdtAllocationL2CacheSubLeaf (
 973   VOID
 974   )
 975 {
 976   CPUID_INTEL_RDT_ALLOCATION_L2_CACHE_SUB_LEAF_EAX  Eax;
 977   UINT32                                            Ebx;
 978   CPUID_INTEL_RDT_ALLOCATION_L2_CACHE_SUB_LEAF_EDX  Edx;
 979
 980   AsmCpuidEx (
 981     CPUID_INTEL_RDT_ALLOCATION, CPUID_INTEL_RDT_ALLOCATION_L2_CACHE_SUB_LEAF,
 982     &Eax.Uint32, &Ebx, NULL, &Edx.Uint32
 983     );
 984   Print (L"CPUID_INTEL_RDT_ALLOCATION (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_RDT_ALLOCATION, CPUID_INTEL_RDT_ALLOCATION_L2_CACHE_SUB_LEAF);
 985   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx, 0, Edx.Uint32);
 986   PRINT_BIT_FIELD (Eax, CapacityLength);
 987   PRINT_VALUE     (Ebx, AllocationUnitBitMap);
 988   PRINT_BIT_FIELD (Edx, HighestCosNumber);
 989 }
 990
 991 /**
 992   Display CPUID_INTEL_RDT_ALLOCATION main leaf and sub-leaves.
 993
 994 **/
 995 VOID
 996 CpuidIntelRdtAllocationMainLeaf (
 997   VOID
 998   )
 999 {
1000   CPUID_INTEL_RDT_ALLOCATION_ENUMERATION_SUB_LEAF_EBX  Ebx;
1001
1002   if (CPUID_INTEL_RDT_ALLOCATION > gMaximumBasicFunction) {
1003     return;
1004   }
1005
1006   AsmCpuidEx (
1007     CPUID_INTEL_RDT_ALLOCATION, CPUID_INTEL_RDT_ALLOCATION_ENUMERATION_SUB_LEAF,
1008     NULL, &Ebx.Uint32, NULL, NULL
1009     );
1010   Print (L"CPUID_INTEL_RDT_ALLOCATION (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_RDT_ALLOCATION, CPUID_INTEL_RDT_ALLOCATION_ENUMERATION_SUB_LEAF);
1011   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", 0, Ebx.Uint32, 0, 0);
1012   PRINT_BIT_FIELD (Ebx, L3CacheAllocation);
1013   PRINT_BIT_FIELD (Ebx, L2CacheAllocation);
1014   PRINT_BIT_FIELD (Ebx, MemoryBandwidth);
1015   CpuidIntelRdtAllocationMemoryBandwidthSubLeaf ();
1016   CpuidIntelRdtAllocationL3CacheSubLeaf ();
1017   CpuidIntelRdtAllocationL2CacheSubLeaf ();
1018 }
1019
1020 /**
1021   Display Sub-Leaf 0 Enumeration of Intel SGX Capabilities.
1022
1023 **/
1024 VOID
1025 CpuidEnumerationOfIntelSgxCapabilities0SubLeaf (
1026   VOID
1027   )
1028 {
1029   CPUID_INTEL_SGX_CAPABILITIES_0_SUB_LEAF_EAX  Eax;
1030   UINT32                                       Ebx;
1031   CPUID_INTEL_SGX_CAPABILITIES_0_SUB_LEAF_EDX  Edx;
1032
1033   AsmCpuidEx (
1034     CPUID_INTEL_SGX, CPUID_INTEL_SGX_CAPABILITIES_0_SUB_LEAF,
1035     &Eax.Uint32, &Ebx, NULL, &Edx.Uint32
1036     );
1037   Print (L"CPUID_INTEL_SGX (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_SGX, CPUID_INTEL_SGX_CAPABILITIES_0_SUB_LEAF);
1038   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx, 0, Edx.Uint32);
1039   PRINT_BIT_FIELD (Eax, SGX1);
1040   PRINT_BIT_FIELD (Eax, SGX2);
1041   PRINT_BIT_FIELD (Eax, ENCLV);
1042   PRINT_BIT_FIELD (Eax, ENCLS);
1043   PRINT_BIT_FIELD (Edx, MaxEnclaveSize_Not64);
1044   PRINT_BIT_FIELD (Edx, MaxEnclaveSize_64);
1045 }
1046
1047 /**
1048   Display Sub-Leaf 1 Enumeration of Intel SGX Capabilities.
1049
1050 **/
1051 VOID
1052 CpuidEnumerationOfIntelSgxCapabilities1SubLeaf (
1053   VOID
1054   )
1055 {
1056   UINT32                                       Eax;
1057   UINT32                                       Ebx;
1058   UINT32                                       Ecx;
1059   UINT32                                       Edx;
1060
1061   AsmCpuidEx (
1062     CPUID_INTEL_SGX, CPUID_INTEL_SGX_CAPABILITIES_1_SUB_LEAF,
1063     &Eax, &Ebx, &Ecx, &Edx
1064     );
1065   Print (L"CPUID_INTEL_SGX (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_SGX, CPUID_INTEL_SGX_CAPABILITIES_1_SUB_LEAF);
1066   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, Ebx, Ecx, Edx);
1067 }
1068
1069 /**
1070   Display Sub-Leaf Index 2 or Higher Enumeration of Intel SGX Resources.
1071
1072 **/
1073 VOID
1074 CpuidEnumerationOfIntelSgxResourcesSubLeaf (
1075   VOID
1076   )
1077 {
1078   CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF_EAX  Eax;
1079   CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF_EBX  Ebx;
1080   CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF_ECX  Ecx;
1081   CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF_EDX  Edx;
1082   UINT32                                               SubLeaf;
1083
1084   SubLeaf = CPUID_INTEL_SGX_CAPABILITIES_RESOURCES_SUB_LEAF;
1085   do {
1086     AsmCpuidEx (
1087       CPUID_INTEL_SGX, SubLeaf,
1088       &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32
1089       );
1090     if (Eax.Bits.SubLeafType == 0x1) {
1091       Print (L"CPUID_INTEL_SGX (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_SGX, SubLeaf);
1092       Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
1093       PRINT_BIT_FIELD (Eax, SubLeafType);
1094       PRINT_BIT_FIELD (Eax, LowAddressOfEpcSection);
1095       PRINT_BIT_FIELD (Ebx, HighAddressOfEpcSection);
1096       PRINT_BIT_FIELD (Ecx, EpcSection);
1097       PRINT_BIT_FIELD (Ecx, LowSizeOfEpcSection);
1098       PRINT_BIT_FIELD (Edx, HighSizeOfEpcSection);
1099     }
1100     SubLeaf++;
1101   } while (Eax.Bits.SubLeafType == 0x1);
1102 }
1103
1104 /**
1105   Display Intel SGX Resource Enumeration.
1106
1107 **/
1108 VOID
1109 CpuidEnumerationOfIntelSgx (
1110   VOID
1111   )
1112 {
1113   CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_EBX  Ebx;
1114
1115   if (CPUID_INTEL_SGX > gMaximumBasicFunction) {
1116     return;
1117   }
1118
1119   AsmCpuidEx (
1120     CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS,
1121     CPUID_STRUCTURED_EXTENDED_FEATURE_FLAGS_SUB_LEAF_INFO,
1122     NULL, &Ebx.Uint32, NULL, NULL
1123     );
1124   if (Ebx.Bits.SGX != 1) {
1125     //
1126     // Only if CPUID.(EAX=07H, ECX=0H):EBX.SGX = 1, the processor has support
1127     // for Intel SGX.
1128     //
1129     return;
1130   }
1131
1132   CpuidEnumerationOfIntelSgxCapabilities0SubLeaf ();
1133   CpuidEnumerationOfIntelSgxCapabilities1SubLeaf ();
1134   CpuidEnumerationOfIntelSgxResourcesSubLeaf ();
1135 }
1136
1137 /**
1138   Display CPUID_INTEL_PROCESSOR_TRACE sub-leafs.
1139
1140   @param[in] MaximumSubLeaf  Maximum sub-leaf index for CPUID_INTEL_PROCESSOR_TRACE.
1141
1142 **/
1143 VOID
1144 CpuidIntelProcessorTraceSubLeaf (
1145   UINT32  MaximumSubLeaf
1146   )
1147 {
1148   UINT32                                    SubLeaf;
1149   CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF_EAX  Eax;
1150   CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF_EBX  Ebx;
1151
1152   for (SubLeaf = CPUID_INTEL_PROCESSOR_TRACE_SUB_LEAF; SubLeaf <= MaximumSubLeaf; SubLeaf++) {
1153     AsmCpuidEx (
1154       CPUID_INTEL_PROCESSOR_TRACE, SubLeaf,
1155       &Eax.Uint32, &Ebx.Uint32, NULL, NULL
1156       );
1157     Print (L"CPUID_INTEL_PROCESSOR_TRACE (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_PROCESSOR_TRACE, SubLeaf);
1158     Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, 0, 0);
1159     PRINT_BIT_FIELD (Eax, ConfigurableAddressRanges);
1160     PRINT_BIT_FIELD (Eax, MtcPeriodEncodings);
1161     PRINT_BIT_FIELD (Ebx, CycleThresholdEncodings);
1162     PRINT_BIT_FIELD (Ebx, PsbFrequencyEncodings);
1163   }
1164 }
1165
1166 /**
1167   Display CPUID_INTEL_PROCESSOR_TRACE main leaf and sub-leafs.
1168
1169 **/
1170 VOID
1171 CpuidIntelProcessorTraceMainLeaf (
1172   VOID
1173   )
1174 {
1175   UINT32                                     Eax;
1176   CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF_EBX  Ebx;
1177   CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF_ECX  Ecx;
1178
1179   if (CPUID_INTEL_PROCESSOR_TRACE > gMaximumBasicFunction) {
1180     return;
1181   }
1182
1183   AsmCpuidEx (
1184     CPUID_INTEL_PROCESSOR_TRACE, CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF,
1185     &Eax, &Ebx.Uint32, &Ecx.Uint32, NULL
1186     );
1187   Print (L"CPUID_INTEL_PROCESSOR_TRACE (Leaf %08x, Sub-Leaf %08x)\n", CPUID_INTEL_PROCESSOR_TRACE, CPUID_INTEL_PROCESSOR_TRACE_MAIN_LEAF);
1188   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, Ebx.Uint32, Ecx.Uint32, 0);
1189   PRINT_VALUE     (Eax, MaximumSubLeaf);
1190   PRINT_BIT_FIELD (Ebx, Cr3Filter);
1191   PRINT_BIT_FIELD (Ebx, ConfigurablePsb);
1192   PRINT_BIT_FIELD (Ebx, IpTraceStopFiltering);
1193   PRINT_BIT_FIELD (Ebx, Mtc);
1194   PRINT_BIT_FIELD (Ebx, PTWrite);
1195   PRINT_BIT_FIELD (Ebx, PowerEventTrace);
1196   PRINT_BIT_FIELD (Ecx, RTIT);
1197   PRINT_BIT_FIELD (Ecx, ToPA);
1198   PRINT_BIT_FIELD (Ecx, SingleRangeOutput);
1199   PRINT_BIT_FIELD (Ecx, TraceTransportSubsystem);
1200   PRINT_BIT_FIELD (Ecx, LIP);
1201
1202   CpuidIntelProcessorTraceSubLeaf (Eax);
1203 }
1204
1205 /**
1206   Display CPUID_TIME_STAMP_COUNTER leaf.
1207
1208 **/
1209 VOID
1210 CpuidTimeStampCounter (
1211   VOID
1212   )
1213 {
1214   UINT32  Eax;
1215   UINT32  Ebx;
1216   UINT32  Ecx;
1217
1218   if (CPUID_TIME_STAMP_COUNTER > gMaximumBasicFunction) {
1219     return;
1220   }
1221
1222   AsmCpuid (CPUID_TIME_STAMP_COUNTER, &Eax, &Ebx, &Ecx, NULL);
1223   Print (L"CPUID_TIME_STAMP_COUNTER (Leaf %08x)\n", CPUID_TIME_STAMP_COUNTER);
1224   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, Ebx, Ecx, 0);
1225 }
1226
1227 /**
1228   Display CPUID_PROCESSOR_FREQUENCY leaf.
1229
1230 **/
1231 VOID
1232 CpuidProcessorFrequency (
1233   VOID
1234   )
1235 {
1236   CPUID_PROCESSOR_FREQUENCY_EAX  Eax;
1237   CPUID_PROCESSOR_FREQUENCY_EBX  Ebx;
1238   CPUID_PROCESSOR_FREQUENCY_ECX  Ecx;
1239
1240   if (CPUID_PROCESSOR_FREQUENCY > gMaximumBasicFunction) {
1241     return;
1242   }
1243
1244   AsmCpuid (CPUID_PROCESSOR_FREQUENCY, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, NULL);
1245   Print (L"CPUID_PROCESSOR_FREQUENCY (Leaf %08x)\n", CPUID_PROCESSOR_FREQUENCY);
1246   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, 0);
1247   PRINT_BIT_FIELD (Eax, ProcessorBaseFrequency);
1248   PRINT_BIT_FIELD (Ebx, MaximumFrequency);
1249   PRINT_BIT_FIELD (Ecx, BusFrequency);
1250 }
1251
1252 /**
1253   Display CPUID_SOC_VENDOR sub-leafs that contain the SoC Vendor Brand String.
1254   Also display these sub-leafs as a single SoC Vendor Brand String.
1255
1256 **/
1257 VOID
1258 CpuidSocVendorBrandString (
1259   VOID
1260   )
1261 {
1262   CPUID_SOC_VENDOR_BRAND_STRING_DATA  Eax;
1263   CPUID_SOC_VENDOR_BRAND_STRING_DATA  Ebx;
1264   CPUID_SOC_VENDOR_BRAND_STRING_DATA  Ecx;
1265   CPUID_SOC_VENDOR_BRAND_STRING_DATA  Edx;
1266   //
1267   // Array to store brand string from 3 brand string leafs with
1268   // 4 32-bit brand string values per leaf and an extra value to
1269   // null terminate the string.
1270   //
1271   UINT32                              BrandString[3 * 4 + 1];
1272
1273   AsmCpuidEx (
1274     CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING1,
1275     &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32
1276     );
1277   Print (L"CPUID_SOC_VENDOR (Leaf %08x, Sub-Leaf %08x)\n", CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING1);
1278   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
1279   BrandString[0] = Eax.Uint32;
1280   BrandString[1] = Ebx.Uint32;
1281   BrandString[2] = Ecx.Uint32;
1282   BrandString[3] = Edx.Uint32;
1283
1284   AsmCpuidEx (
1285     CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING2,
1286     &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32
1287     );
1288   Print (L"CPUID_SOC_VENDOR (Leaf %08x, Sub-Leaf %08x)\n", CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING2);
1289   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
1290   BrandString[4] = Eax.Uint32;
1291   BrandString[5] = Ebx.Uint32;
1292   BrandString[6] = Ecx.Uint32;
1293   BrandString[7] = Edx.Uint32;
1294
1295   AsmCpuidEx (
1296     CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING3,
1297     &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32
1298     );
1299   Print (L"CPUID_SOC_VENDOR (Leaf %08x, Sub-Leaf %08x)\n", CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_BRAND_STRING3);
1300   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
1301   BrandString[8]  = Eax.Uint32;
1302   BrandString[9]  = Ebx.Uint32;
1303   BrandString[10] = Ecx.Uint32;
1304   BrandString[11] = Edx.Uint32;
1305
1306   BrandString[12] = 0;
1307
1308   Print (L"Vendor Brand String = %a\n", (CHAR8 *)BrandString);
1309 }
1310
1311 /**
1312   Display CPUID_SOC_VENDOR main leaf and sub-leafs.
1313
1314 **/
1315 VOID
1316 CpuidSocVendor (
1317   VOID
1318   )
1319 {
1320   UINT32                          Eax;
1321   CPUID_SOC_VENDOR_MAIN_LEAF_EBX  Ebx;
1322   UINT32                          Ecx;
1323   UINT32                          Edx;
1324
1325   if (CPUID_SOC_VENDOR > gMaximumBasicFunction) {
1326     return;
1327   }
1328
1329   AsmCpuidEx (
1330     CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_MAIN_LEAF,
1331     &Eax, &Ebx.Uint32, &Ecx, &Edx
1332     );
1333   Print (L"CPUID_SOC_VENDOR (Leaf %08x, Sub-Leaf %08x)\n", CPUID_SOC_VENDOR, CPUID_SOC_VENDOR_MAIN_LEAF);
1334   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, Ebx.Uint32, Ecx, Edx);
1335   if (Eax < 3) {
1336     Print (L"  Not Supported\n");
1337     return;
1338   }
1339   PRINT_VALUE     (Eax, MaxSOCID_Index);
1340   PRINT_BIT_FIELD (Ebx, SocVendorId);
1341   PRINT_BIT_FIELD (Ebx, IsVendorScheme);
1342   PRINT_VALUE     (Ecx, ProjectID);
1343   PRINT_VALUE     (Edx, SteppingID);
1344   CpuidSocVendorBrandString ();
1345 }
1346
1347 /**
1348   Display CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS main leaf and sub-leafs.
1349
1350 **/
1351 VOID
1352 CpuidDeterministicAddressTranslationParameters (
1353   VOID
1354   )
1355 {
1356   UINT32                                                  Eax;
1357   CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS_EBX  Ebx;
1358   UINT32                                                  Ecx;
1359   CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS_EDX  Edx;
1360
1361   if (CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS > gMaximumBasicFunction) {
1362     return;
1363   }
1364
1365   AsmCpuidEx (
1366     CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS,
1367     CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS_MAIN_LEAF,
1368     &Eax, &Ebx.Uint32, &Ecx, &Edx.Uint32
1369     );
1370   Print (L"CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS (Leaf %08x, Sub-Leaf %08x)\n", CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS, CPUID_DETERMINISTIC_ADDRESS_TRANSLATION_PARAMETERS_MAIN_LEAF);
1371   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, Ebx.Uint32, Ecx, Edx.Uint32);
1372
1373   PRINT_VALUE     (Eax, MaxID_Index);
1374   PRINT_BIT_FIELD (Ebx, Page4K);
1375   PRINT_BIT_FIELD (Ebx, Page2M);
1376   PRINT_BIT_FIELD (Ebx, Page4M);
1377   PRINT_BIT_FIELD (Ebx, Page1G);
1378   PRINT_BIT_FIELD (Ebx, Partitioning);
1379   PRINT_BIT_FIELD (Ebx, Way);
1380
1381   PRINT_VALUE     (Ecx, NumberOfSets);
1382
1383   PRINT_BIT_FIELD (Edx, TranslationCacheType);
1384   PRINT_BIT_FIELD (Edx, TranslationCacheLevel);
1385   PRINT_BIT_FIELD (Edx, FullyAssociative);
1386   PRINT_BIT_FIELD (Edx, MaximumNum);
1387 }
1388
1389 /**
1390   Display CPUID_EXTENDED_FUNCTION leaf.
1391
1392 **/
1393 VOID
1394 CpuidExtendedFunction (
1395   VOID
1396   )
1397 {
1398   UINT32  Eax;
1399
1400   AsmCpuid (CPUID_EXTENDED_FUNCTION, &Eax, NULL, NULL, NULL);
1401   Print (L"CPUID_EXTENDED_FUNCTION (Leaf %08x)\n", CPUID_EXTENDED_FUNCTION);
1402   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, 0, 0, 0);
1403   PRINT_VALUE     (Eax, MaximumExtendedFunction);
1404
1405   gMaximumExtendedFunction = Eax;
1406 }
1407
1408 /**
1409   Display CPUID_EXTENDED_CPU_SIG leaf.
1410
1411 **/
1412 VOID
1413 CpuidExtendedCpuSig (
1414   VOID
1415   )
1416 {
1417   UINT32                      Eax;
1418   CPUID_EXTENDED_CPU_SIG_ECX  Ecx;
1419   CPUID_EXTENDED_CPU_SIG_EDX  Edx;
1420
1421   if (CPUID_EXTENDED_CPU_SIG > gMaximumExtendedFunction) {
1422     return;
1423   }
1424
1425   AsmCpuid (CPUID_EXTENDED_CPU_SIG, &Eax, NULL, &Ecx.Uint32, &Edx.Uint32);
1426   Print (L"CPUID_EXTENDED_CPU_SIG (Leaf %08x)\n", CPUID_EXTENDED_CPU_SIG);
1427   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax, 0, Ecx.Uint32, Edx.Uint32);
1428   PRINT_BIT_FIELD (Ecx, LAHF_SAHF);
1429   PRINT_BIT_FIELD (Ecx, LZCNT);
1430   PRINT_BIT_FIELD (Ecx, PREFETCHW);
1431   PRINT_BIT_FIELD (Edx, SYSCALL_SYSRET);
1432   PRINT_BIT_FIELD (Edx, NX);
1433   PRINT_BIT_FIELD (Edx, Page1GB);
1434   PRINT_BIT_FIELD (Edx, RDTSCP);
1435   PRINT_BIT_FIELD (Edx, LM);
1436 }
1437
1438 /**
1439   Display CPUID_BRAND_STRING1, CPUID_BRAND_STRING2 and  CPUID_BRAND_STRING3
1440   leafs.  Also display these three leafs as a single brand string.
1441
1442 **/
1443 VOID
1444 CpuidProcessorBrandString (
1445   VOID
1446   )
1447 {
1448   CPUID_BRAND_STRING_DATA  Eax;
1449   CPUID_BRAND_STRING_DATA  Ebx;
1450   CPUID_BRAND_STRING_DATA  Ecx;
1451   CPUID_BRAND_STRING_DATA  Edx;
1452   //
1453   // Array to store brand string from 3 brand string leafs with
1454   // 4 32-bit brand string values per leaf and an extra value to
1455   // null terminate the string.
1456   //
1457   UINT32                   BrandString[3 * 4 + 1];
1458
1459   if (CPUID_BRAND_STRING1 <= gMaximumExtendedFunction) {
1460     AsmCpuid (CPUID_BRAND_STRING1, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32);
1461     Print (L"CPUID_BRAND_STRING1 (Leaf %08x)\n", CPUID_BRAND_STRING1);
1462     Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
1463     BrandString[0] = Eax.Uint32;
1464     BrandString[1] = Ebx.Uint32;
1465     BrandString[2] = Ecx.Uint32;
1466     BrandString[3] = Edx.Uint32;
1467   }
1468
1469   if (CPUID_BRAND_STRING2 <= gMaximumExtendedFunction) {
1470     AsmCpuid (CPUID_BRAND_STRING2, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32);
1471     Print (L"CPUID_BRAND_STRING2 (Leaf %08x)\n", CPUID_BRAND_STRING2);
1472     Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
1473     BrandString[4] = Eax.Uint32;
1474     BrandString[5] = Ebx.Uint32;
1475     BrandString[6] = Ecx.Uint32;
1476     BrandString[7] = Edx.Uint32;
1477   }
1478
1479   if (CPUID_BRAND_STRING3 <= gMaximumExtendedFunction) {
1480     AsmCpuid (CPUID_BRAND_STRING3, &Eax.Uint32, &Ebx.Uint32, &Ecx.Uint32, &Edx.Uint32);
1481     Print (L"CPUID_BRAND_STRING3 (Leaf %08x)\n", CPUID_BRAND_STRING3);
1482     Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, Ebx.Uint32, Ecx.Uint32, Edx.Uint32);
1483     BrandString[8]  = Eax.Uint32;
1484     BrandString[9]  = Ebx.Uint32;
1485     BrandString[10] = Ecx.Uint32;
1486     BrandString[11] = Edx.Uint32;
1487   }
1488
1489   BrandString[12] = 0;
1490
1491   Print (L"Brand String = %a\n", (CHAR8 *)BrandString);
1492 }
1493
1494 /**
1495   Display CPUID_EXTENDED_CACHE_INFO leaf.
1496
1497 **/
1498 VOID
1499 CpuidExtendedCacheInfo (
1500   VOID
1501   )
1502 {
1503   CPUID_EXTENDED_CACHE_INFO_ECX  Ecx;
1504
1505   if (CPUID_EXTENDED_CACHE_INFO > gMaximumExtendedFunction) {
1506     return;
1507   }
1508
1509   AsmCpuid (CPUID_EXTENDED_CACHE_INFO, NULL, NULL, &Ecx.Uint32, NULL);
1510   Print (L"CPUID_EXTENDED_CACHE_INFO (Leaf %08x)\n", CPUID_EXTENDED_CACHE_INFO);
1511   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", 0, 0, Ecx.Uint32, 0);
1512   PRINT_BIT_FIELD (Ecx, CacheLineSize);
1513   PRINT_BIT_FIELD (Ecx, L2Associativity);
1514   PRINT_BIT_FIELD (Ecx, CacheSize);
1515 }
1516
1517 /**
1518   Display CPUID_EXTENDED_TIME_STAMP_COUNTER leaf.
1519
1520 **/
1521 VOID
1522 CpuidExtendedTimeStampCounter (
1523   VOID
1524   )
1525 {
1526   CPUID_EXTENDED_TIME_STAMP_COUNTER_EDX  Edx;
1527
1528   if (CPUID_EXTENDED_TIME_STAMP_COUNTER > gMaximumExtendedFunction) {
1529     return;
1530   }
1531
1532   AsmCpuid (CPUID_EXTENDED_TIME_STAMP_COUNTER, NULL, NULL, NULL, &Edx.Uint32);
1533   Print (L"CPUID_EXTENDED_TIME_STAMP_COUNTER (Leaf %08x)\n", CPUID_EXTENDED_TIME_STAMP_COUNTER);
1534   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", 0, 0, 0, Edx.Uint32);
1535   PRINT_BIT_FIELD (Edx, InvariantTsc);
1536 }
1537
1538 /**
1539   Display CPUID_VIR_PHY_ADDRESS_SIZE leaf.
1540
1541 **/
1542 VOID
1543 CpuidVirPhyAddressSize (
1544   VOID
1545   )
1546 {
1547   CPUID_VIR_PHY_ADDRESS_SIZE_EAX  Eax;
1548
1549   if (CPUID_VIR_PHY_ADDRESS_SIZE > gMaximumExtendedFunction) {
1550     return;
1551   }
1552
1553   AsmCpuid (CPUID_VIR_PHY_ADDRESS_SIZE, &Eax.Uint32, NULL, NULL, NULL);
1554   Print (L"CPUID_VIR_PHY_ADDRESS_SIZE (Leaf %08x)\n", CPUID_VIR_PHY_ADDRESS_SIZE);
1555   Print (L"  EAX:%08x  EBX:%08x  ECX:%08x  EDX:%08x\n", Eax.Uint32, 0, 0, 0);
1556   PRINT_BIT_FIELD (Eax, PhysicalAddressBits);
1557   PRINT_BIT_FIELD (Eax, LinearAddressBits);
1558 }
1559
1560 /**
1561   The user Entry Point for Application. The user code starts with this function
1562   as the real entry point for the application.
1563
1564   @param[in] ImageHandle    The firmware allocated handle for the EFI image.
1565   @param[in] SystemTable    A pointer to the EFI System Table.
1566
1567   @retval EFI_SUCCESS       The entry point is executed successfully.
1568   @retval other             Some error occurs when executing this entry point.
1569
1570 **/
1571 EFI_STATUS
1572 EFIAPI
1573 UefiMain (
1574   IN EFI_HANDLE        ImageHandle,
1575   IN EFI_SYSTEM_TABLE  *SystemTable
1576   )
1577 {
1578   Print (L"UEFI CPUID Version 0.5\n");
1579
1580   CpuidSignature ();
1581   CpuidVersionInfo ();
1582   CpuidCacheInfo ();
1583   CpuidSerialNumber ();
1584   CpuidCacheParams();
1585   CpuidMonitorMwait ();
1586   CpuidThermalPowerManagement ();
1587   CpuidStructuredExtendedFeatureFlags ();
1588   CpuidDirectCacheAccessInfo();
1589   CpuidArchitecturalPerformanceMonitoring ();
1590   CpuidExtendedTopology (CPUID_EXTENDED_TOPOLOGY);
1591   CpuidExtendedStateMainLeaf ();
1592   CpuidIntelRdtMonitoringEnumerationSubLeaf ();
1593   CpuidIntelRdtMonitoringL3CacheCapabilitySubLeaf ();
1594   CpuidIntelRdtAllocationMainLeaf ();
1595   CpuidEnumerationOfIntelSgx ();
1596   CpuidIntelProcessorTraceMainLeaf ();
1597   CpuidTimeStampCounter ();
1598   CpuidProcessorFrequency ();
1599   CpuidSocVendor ();
1600   CpuidDeterministicAddressTranslationParameters ();
1601   CpuidExtendedTopology (CPUID_V2_EXTENDED_TOPOLOGY);
1602   CpuidExtendedFunction ();
1603   CpuidExtendedCpuSig ();
1604   CpuidProcessorBrandString ();
1605   CpuidExtendedCacheInfo ();
1606   CpuidExtendedTimeStampCounter ();
1607   CpuidVirPhyAddressSize ();
1608
1609   return EFI_SUCCESS;
1610 }