OvmfPkg: create a SEV secret area in the AmdSev memfd

[mirror_edk2.git] / OvmfPkg / ResetVector / ResetVector.nasmb

;------------------------------------------------------------------------------\r
; @file\r
; This file includes all other code files to assemble the reset vector code\r
;\r
; Copyright (c) 2008 - 2013, Intel Corporation. All rights reserved.<BR>\r
; SPDX-License-Identifier: BSD-2-Clause-Patent\r
;\r
;------------------------------------------------------------------------------\r
\r
;\r
; If neither ARCH_IA32 nor ARCH_X64 are defined, then try to include\r
; Base.h to use the C pre-processor to determine the architecture.\r
;\r
%ifndef ARCH_IA32\r
  %ifndef ARCH_X64\r
    #include <Base.h>\r
    #if defined (MDE_CPU_IA32)\r
      %define ARCH_IA32\r
    #elif defined (MDE_CPU_X64)\r
      %define ARCH_X64\r
    #endif\r
  %endif\r
%endif\r
\r
%ifdef ARCH_IA32\r
  %ifdef ARCH_X64\r
    %error "Only one of ARCH_IA32 or ARCH_X64 can be defined."\r
  %endif\r
%elifdef ARCH_X64\r
%else\r
  %error "Either ARCH_IA32 or ARCH_X64 must be defined."\r
%endif\r
\r
%include "CommonMacros.inc"\r
\r
%include "PostCodes.inc"\r
\r
%ifdef DEBUG_PORT80\r
  %include "Port80Debug.asm"\r
%elifdef DEBUG_SERIAL\r
  %include "SerialDebug.asm"\r
%else\r
  %include "DebugDisabled.asm"\r
%endif\r
\r
%include "Ia32/SearchForBfvBase.asm"\r
%include "Ia32/SearchForSecEntry.asm"\r
\r
%ifdef ARCH_X64\r
  #include <AutoGen.h>\r
\r
  %if (FixedPcdGet32 (PcdOvmfSecPageTablesSize) != 0x6000)\r
    %error "This implementation inherently depends on PcdOvmfSecPageTablesSize"\r
  %endif\r
\r
  %if (FixedPcdGet32 (PcdOvmfSecGhcbPageTableSize) != 0x1000)\r
    %error "This implementation inherently depends on PcdOvmfSecGhcbPageTableSize"\r
  %endif\r
\r
  %if (FixedPcdGet32 (PcdOvmfSecGhcbSize) != 0x2000)\r
    %error "This implementation inherently depends on PcdOvmfSecGhcbSize"\r
  %endif\r
\r
  %if ((FixedPcdGet32 (PcdOvmfSecGhcbBase) >> 21) != \\r
       ((FixedPcdGet32 (PcdOvmfSecGhcbBase) + FixedPcdGet32 (PcdOvmfSecGhcbSize) - 1) >> 21))\r
    %error "This implementation inherently depends on PcdOvmfSecGhcbBase not straddling a 2MB boundary"\r
  %endif\r
\r
  %define PT_ADDR(Offset) (FixedPcdGet32 (PcdOvmfSecPageTablesBase) + (Offset))\r
%include "Ia32/Flat32ToFlat64.asm"\r
\r
  %define GHCB_PT_ADDR (FixedPcdGet32 (PcdOvmfSecGhcbPageTableBase))\r
  %define GHCB_BASE (FixedPcdGet32 (PcdOvmfSecGhcbBase))\r
  %define GHCB_SIZE (FixedPcdGet32 (PcdOvmfSecGhcbSize))\r
  %define SEV_ES_WORK_AREA (FixedPcdGet32 (PcdSevEsWorkAreaBase))\r
  %define SEV_ES_VC_TOP_OF_STACK (FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + FixedPcdGet32 (PcdOvmfSecPeiTempRamSize))\r
%include "Ia32/PageTables64.asm"\r
%endif\r
\r
%include "Ia16/Real16ToFlat32.asm"\r
%include "Ia16/Init16.asm"\r
\r
%include "Main.asm"\r
\r
  %define SEV_ES_AP_RESET_IP  FixedPcdGet32 (PcdSevEsWorkAreaBase)\r
  %define SEV_LAUNCH_SECRET_BASE  FixedPcdGet32 (PcdSevLaunchSecretBase)\r
  %define SEV_LAUNCH_SECRET_SIZE  FixedPcdGet32 (PcdSevLaunchSecretSize)\r
%include "Ia16/ResetVectorVtf0.asm"\r
\r