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 PT_ADDR(Offset) (FixedPcdGet32 (PcdOvmfSecPageTablesBase) + (Offset))
  73
  74   %define GHCB_PT_ADDR (FixedPcdGet32 (PcdOvmfSecGhcbPageTableBase))
  75   %define GHCB_BASE (FixedPcdGet32 (PcdOvmfSecGhcbBase))
  76   %define GHCB_SIZE (FixedPcdGet32 (PcdOvmfSecGhcbSize))
  77   %define SEV_ES_WORK_AREA (FixedPcdGet32 (PcdSevEsWorkAreaBase))
  78   %define SEV_ES_WORK_AREA_RDRAND (FixedPcdGet32 (PcdSevEsWorkAreaBase) + 8)
  79   %define SEV_ES_WORK_AREA_ENC_MASK (FixedPcdGet32 (PcdSevEsWorkAreaBase) + 16)
  80   %define SEV_ES_VC_TOP_OF_STACK (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))
  81 %include "Ia32/Flat32ToFlat64.asm"
  82 %include "Ia32/AmdSev.asm"
  83 %include "Ia32/PageTables64.asm"
  84 %endif
  85
  86 %include "Ia16/Real16ToFlat32.asm"
  87 %include "Ia16/Init16.asm"
  88
  89 %include "Main.asm"
  90
  91   %define SEV_ES_AP_RESET_IP  FixedPcdGet32 (PcdSevEsWorkAreaBase)
  92   %define SEV_LAUNCH_SECRET_BASE  FixedPcdGet32 (PcdSevLaunchSecretBase)
  93   %define SEV_LAUNCH_SECRET_SIZE  FixedPcdGet32 (PcdSevLaunchSecretSize)
  94   %define SEV_FW_HASH_BLOCK_BASE  FixedPcdGet32 (PcdQemuHashTableBase)
  95   %define SEV_FW_HASH_BLOCK_SIZE  FixedPcdGet32 (PcdQemuHashTableSize)
  96 %include "Ia16/ResetVectorVtf0.asm"
  97