OvmfPkg/ResetVector/ResetVector.nasmb

   1 ;------------------------------------------------------------------------------
   2 ; @file
   3 ; This file includes all other code files to assemble the reset vector code
   4 ;
   5 ; Copyright (c) 2008 - 2013, Intel Corporation. All rights reserved.<BR>
   6 ; Copyright (c) 2020, Advanced Micro Devices, Inc. All rights reserved.<BR>
   7 ; SPDX-License-Identifier: BSD-2-Clause-Patent
   8 ;
   9 ;------------------------------------------------------------------------------
  10
  11 ;
  12 ; If neither ARCH_IA32 nor ARCH_X64 are defined, then try to include
  13 ; Base.h to use the C pre-processor to determine the architecture.
  14 ;
  15 %ifndef ARCH_IA32
  16   %ifndef ARCH_X64
  17     #include <Base.h>
  18     #if defined (MDE_CPU_IA32)
  19       %define ARCH_IA32
  20     #elif defined (MDE_CPU_X64)
  21       %define ARCH_X64
  22     #endif
  23   %endif
  24 %endif
  25
  26 %ifdef ARCH_IA32
  27   %ifdef ARCH_X64
  28     %error "Only one of ARCH_IA32 or ARCH_X64 can be defined."
  29   %endif
  30 %elifdef ARCH_X64
  31 %else
  32   %error "Either ARCH_IA32 or ARCH_X64 must be defined."
  33 %endif
  34
  35 %include "CommonMacros.inc"
  36
  37 %include "PostCodes.inc"
  38
  39 %ifdef DEBUG_PORT80
  40   %include "Port80Debug.asm"
  41 %elifdef DEBUG_SERIAL
  42   %include "SerialDebug.asm"
  43 %else
  44   %include "DebugDisabled.asm"
  45 %endif
  46
  47 %include "Ia32/SearchForBfvBase.asm"
  48 %include "Ia32/SearchForSecEntry.asm"
  49
  50 %define WORK_AREA_GUEST_TYPE (FixedPcdGet32 (PcdOvmfWorkAreaBase))
  51
  52 %ifdef ARCH_X64
  53   #include <AutoGen.h>
  54
  55   %if (FixedPcdGet32 (PcdOvmfSecPageTablesSize) != 0x6000)
  56     %error "This implementation inherently depends on PcdOvmfSecPageTablesSize"
  57   %endif
  58
  59   %if (FixedPcdGet32 (PcdOvmfSecGhcbPageTableSize) != 0x1000)
  60     %error "This implementation inherently depends on PcdOvmfSecGhcbPageTableSize"
  61   %endif
  62
  63   %if (FixedPcdGet32 (PcdOvmfSecGhcbSize) != 0x2000)
  64     %error "This implementation inherently depends on PcdOvmfSecGhcbSize"
  65   %endif
  66
  67   %if ((FixedPcdGet32 (PcdOvmfSecGhcbBase) >> 21) != \
  68        ((FixedPcdGet32 (PcdOvmfSecGhcbBase) + FixedPcdGet32 (PcdOvmfSecGhcbSize) - 1) >> 21))
  69     %error "This implementation inherently depends on PcdOvmfSecGhcbBase not straddling a 2MB boundary"
  70   %endif
  71
  72   %define TDX_BFV_RAW_DATA_OFFSET   FixedPcdGet32 (PcdBfvRawDataOffset)
  73   %define TDX_BFV_RAW_DATA_SIZE     FixedPcdGet32 (PcdBfvRawDataSize)
  74   %define TDX_BFV_MEMORY_BASE       FixedPcdGet32 (PcdBfvBase)
  75   %define TDX_BFV_MEMORY_SIZE       FixedPcdGet32 (PcdBfvRawDataSize)
  76
  77   %define TDX_CFV_RAW_DATA_OFFSET   FixedPcdGet32 (PcdCfvRawDataOffset)
  78   %define TDX_CFV_RAW_DATA_SIZE     FixedPcdGet32 (PcdCfvRawDataSize)
  79   %define TDX_CFV_MEMORY_BASE       FixedPcdGet32 (PcdCfvBase),
  80   %define TDX_CFV_MEMORY_SIZE       FixedPcdGet32 (PcdCfvRawDataSize),
  81
  82   %define TDX_HEAP_STACK_BASE       FixedPcdGet32 (PcdOvmfSecPeiTempRamBase)
  83   %define TDX_HEAP_STACK_SIZE       FixedPcdGet32 (PcdOvmfSecPeiTempRamSize)
  84
  85   %define TDX_HOB_MEMORY_BASE       FixedPcdGet32 (PcdOvmfSecGhcbBase)
  86   %define TDX_HOB_MEMORY_SIZE       FixedPcdGet32 (PcdOvmfSecGhcbSize)
  87
  88   %define TDX_INIT_MEMORY_BASE      FixedPcdGet32 (PcdOvmfWorkAreaBase)
  89   %define TDX_INIT_MEMORY_SIZE      (FixedPcdGet32 (PcdOvmfWorkAreaSize) + FixedPcdGet32 (PcdOvmfSecGhcbBackupSize))
  90
  91   %define OVMF_PAGE_TABLE_BASE      FixedPcdGet32 (PcdOvmfSecPageTablesBase)
  92   %define OVMF_PAGE_TABLE_SIZE      FixedPcdGet32 (PcdOvmfSecPageTablesSize)
  93
  94   %define TDX_WORK_AREA_PGTBL_READY (FixedPcdGet32 (PcdOvmfWorkAreaBase) + 4)
  95   %define TDX_WORK_AREA_GPAW        (FixedPcdGet32 (PcdOvmfWorkAreaBase) + 8)
  96
  97   %define PT_ADDR(Offset) (FixedPcdGet32 (PcdOvmfSecPageTablesBase) + (Offset))
  98
  99   %define GHCB_PT_ADDR (FixedPcdGet32 (PcdOvmfSecGhcbPageTableBase))
 100   %define GHCB_BASE (FixedPcdGet32 (PcdOvmfSecGhcbBase))
 101   %define GHCB_SIZE (FixedPcdGet32 (PcdOvmfSecGhcbSize))
 102   %define SEV_ES_WORK_AREA (FixedPcdGet32 (PcdSevEsWorkAreaBase))
 103   %define SEV_ES_WORK_AREA_SIZE 25
 104   %define SEV_ES_WORK_AREA_STATUS_MSR (FixedPcdGet32 (PcdSevEsWorkAreaBase))
 105   %define SEV_ES_WORK_AREA_RDRAND (FixedPcdGet32 (PcdSevEsWorkAreaBase) + 8)
 106   %define SEV_ES_WORK_AREA_ENC_MASK (FixedPcdGet32 (PcdSevEsWorkAreaBase) + 16)
 107   %define SEV_ES_WORK_AREA_RECEIVED_VC (FixedPcdGet32 (PcdSevEsWorkAreaBase) + 24)
 108   %define SEV_ES_VC_TOP_OF_STACK (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
 109   %define SEV_SNP_SECRETS_BASE  (FixedPcdGet32 (PcdOvmfSnpSecretsBase))
 110   %define SEV_SNP_SECRETS_SIZE  (FixedPcdGet32 (PcdOvmfSnpSecretsSize))
 111   %define CPUID_BASE  (FixedPcdGet32 (PcdOvmfCpuidBase))
 112   %define CPUID_SIZE  (FixedPcdGet32 (PcdOvmfCpuidSize))
 113   %define SNP_SEC_MEM_BASE_DESC_1 (FixedPcdGet32 (PcdOvmfSecPageTablesBase))
 114   %define SNP_SEC_MEM_SIZE_DESC_1 (FixedPcdGet32 (PcdOvmfSecGhcbBase) - SNP_SEC_MEM_BASE_DESC_1)
 115   ;
 116   ; The PcdOvmfSecGhcbBase reserves two GHCB pages. The first page is used
 117   ; as GHCB shared page and second is used for bookkeeping to support the
 118   ; nested GHCB in SEC phase. The bookkeeping page is mapped private. The VMM
 119   ; does not need to validate the shared page but it need to validate the
 120   ; bookkeeping page.
 121   ;
 122   %define SNP_SEC_MEM_BASE_DESC_2 (GHCB_BASE + 0x1000)
 123   %define SNP_SEC_MEM_SIZE_DESC_2 (SEV_SNP_SECRETS_BASE - SNP_SEC_MEM_BASE_DESC_2)
 124   %define SNP_SEC_MEM_BASE_DESC_3 (CPUID_BASE + CPUID_SIZE)
 125   %define SNP_SEC_MEM_SIZE_DESC_3 (FixedPcdGet32 (PcdOvmfPeiMemFvBase) - SNP_SEC_MEM_BASE_DESC_3)
 126
 127 %include "X64/IntelTdxMetadata.asm"
 128 %include "Ia32/Flat32ToFlat64.asm"
 129 %include "Ia32/AmdSev.asm"
 130 %include "Ia32/PageTables64.asm"
 131 %include "Ia32/IntelTdx.asm"
 132 %include "X64/OvmfSevMetadata.asm"
 133 %endif
 134
 135 %include "Ia16/Real16ToFlat32.asm"
 136 %include "Ia16/Init16.asm"
 137
 138 %include "Main.asm"
 139
 140   %define SEV_ES_AP_RESET_IP  FixedPcdGet32 (PcdSevEsWorkAreaBase)
 141   %define SEV_LAUNCH_SECRET_BASE  FixedPcdGet32 (PcdSevLaunchSecretBase)
 142   %define SEV_LAUNCH_SECRET_SIZE  FixedPcdGet32 (PcdSevLaunchSecretSize)
 143   %define SEV_FW_HASH_BLOCK_BASE  FixedPcdGet32 (PcdQemuHashTableBase)
 144   %define SEV_FW_HASH_BLOCK_SIZE  FixedPcdGet32 (PcdQemuHashTableSize)
 145 %include "Ia16/ResetVectorVtf0.asm"
 146