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qemu - 在linux中构建edk2

问题描述

我开始用 edk2 编写一个小而简单的应用程序。

所以要编写一个简单的 edk2 UEFI 应用程序，我是这样开始的：

#git 克隆https://github.com/tianocore/edk2.git

#. edksetup.sh BaseTools

Loading previous configuration from /media/ledoux/Data/osdev/devos/edk2/edk2/Conf/BuildEnv.sh
WORKSPACE: /media/ledoux/Data/osdev/devos/edk2/edk2
EDK_TOOLS_PATH: /media/ledoux/Data/osdev/devos/edk2/edk2/BaseTools
CONF_PATH: /media/ledoux/Data/osdev/devos/edk2/edk2/Conf

#vi Conf/target.txt

（在那里，我放了：TARGET_ARCH = IA32 X64 TOOL_CHAIN_TAG = VS2017）

# BUILD -a X64

Build environment: Linux-5.7.0-kali1-amd64-x86_64-with-glibc2.29
Build start time: 08:32:11, Sep.03 2020

WORKSPACE        = /media/ledoux/Data/osdev/devos/edk2/edk2
EDK_TOOLS_PATH   = /media/ledoux/Data/osdev/devos/edk2/edk2/BaseTools
CONF_PATH        = /media/ledoux/Data/osdev/devos/edk2/edk2/Conf
PYTHON_COMMAND   = /usr/bin/python3.8


Processing meta-data 
Architecture(s)  = X64
Build target     = DEBUG
Toolchain        = VS2017

Active Platform          = /media/ledoux/Data/osdev/devos/edk2/edk2/EmulatorPkg/EmulatorPkg.dsc
.................. 

- Failed -
Build end time: 08:32:29, Sep.03 2020
Build total time: 00:00:18

为什么构建失败？是因为存储库不好？？构建后如何创建 OVMF.fd 文件？

标签： qemuuefiedk2

解决方案

这是 Linux Ubuntu 20 的完整教程。它对我来说非常有效。

设置 EDK2

以下是我为使 EDK2在 Linux Ubuntu 20 上运行所采取的步骤：

  1. sudo apt-get install build-essential git uuid-dev iasl nasm python python3-distutils python3-apt

  2. git 克隆https://github.com/tianocore/edk2.git

  3. 从这里下载brotli https://github.com/tianocore/edk2/releases/tag/edk2-stable202011（第三个文件）

  4. 将其安装在 ~/edk2/BaseTools/Source/C/BrotliCompress/brotli

  5. cd edk2

  6. make -C BaseTools

  7. 运行“.edksetup.sh”（包括点）

  8. 在文本编辑器中打开 Conf/target.txt 将 ACTIVE_PLATFORM 更改为 MdeModulePkg/MdeModulePkg.dsc TOOL_CHAIN_TAG 到 GCC5 和 TARGET_ARCH 到 X64

  9. 从这里下载 oniguruma https://github.com/kkos/oniguruma/tree/abfc8ff81df4067f309032467785e06975678f0d

  10. 将 brotli 复制到 ~/edk2/MdeModulePkg/Library/BrotliCustomDecompressLib/brotli 和 oniguruma 到 ~/edk2/MdeModulePkg/Universal/RegularExpressionDxe/oniguruma

  11. 建造

如果您在任何步骤都关闭了 bash 终端，只需重新运行“.edksetup.sh”，因为这样您就无法运行构建命令。

编译你自己的 efi 应用

以上将简单地向您展示它的一般工作原理。一旦所有这些工作正常，您就想编译您自己的 Hello World 示例，如下所示。

#include <Uefi.h>

EFI_STATUS EFIAPI UefiMain (IN EFI_HANDLE ImageHandle, IN EFI_SYSTEM_TABLE  *SystemTable){
  SystemTable->ConOut->OutputString(SystemTable->ConOut, L"Hello World\n");
  return EFI_SUCCESS;
}

为此，您需要采取更多步骤。

  1. 在 edk2 目录中创建一个工作目录，如 ~edk2/BootloaderPkg。在那里，放置 2 个文件，一个名为 Bootloader.c，一个名为 Bootloader.inf。

  2. 在 Bootloader.c 中放置上面的代码。在 Bootloader.inf 中放置以下内容

[Defines]
  INF_VERSION                    = 1.25
  BASE_NAME                      = Bootloader
  FILE_GUID                      = 66949615-9653-4a86-8c61-6ef0952973b9
  MODULE_TYPE                    = UEFI_APPLICATION
  VERSION_STRING                 = 1.0
  ENTRY_POINT                    = UefiMain

[Sources]
  Bootloader.c

[Packages]
  MdePkg/MdePkg.dec
  
[LibraryClasses]
  UefiApplicationEntryPoint
  UefiLib
    
[Guids]

[Ppis]

[Protocols]

[FeaturePcd]

[Pcd]
  1. 如https://github.com/tianocore/tianocore.github.io/wiki/Getting-Started-Writing-Simple-Application所述，

使用您的项目 .inf 文件更新现有平台 .DSC 文件。下面列出一些例子。

所以我所做的是从 MdeModulePackage 中获取 .DSC 文件，并使用以下内容对其进行了一些修改：

[Defines]
  PLATFORM_NAME                  = MdeModule
  PLATFORM_GUID                  = 587CE499-6CBE-43cd-94E2-186218569478
  PLATFORM_VERSION               = 0.98
  DSC_SPECIFICATION              = 0x00010005
  OUTPUT_DIRECTORY               = BootloaderPkg/Build
  SUPPORTED_ARCHITECTURES        = IA32|X64|EBC|ARM|AARCH64|RISCV64
  BUILD_TARGETS                  = DEBUG|RELEASE|NOOPT
  SKUID_IDENTIFIER               = DEFAULT

[LibraryClasses]
  #
  # Entry point
  #
  PeiCoreEntryPoint|MdePkg/Library/PeiCoreEntryPoint/PeiCoreEntryPoint.inf
  PeimEntryPoint|MdePkg/Library/PeimEntryPoint/PeimEntryPoint.inf
  DxeCoreEntryPoint|MdePkg/Library/DxeCoreEntryPoint/DxeCoreEntryPoint.inf
  UefiDriverEntryPoint|MdePkg/Library/UefiDriverEntryPoint/UefiDriverEntryPoint.inf
  UefiApplicationEntryPoint|MdePkg/Library/UefiApplicationEntryPoint/UefiApplicationEntryPoint.inf
  #
  # Basic
  #
  BaseLib|MdePkg/Library/BaseLib/BaseLib.inf
  BaseMemoryLib|MdePkg/Library/BaseMemoryLib/BaseMemoryLib.inf
  SynchronizationLib|MdePkg/Library/BaseSynchronizationLib/BaseSynchronizationLib.inf
  PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf
  IoLib|MdePkg/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf
  PciLib|MdePkg/Library/BasePciLibCf8/BasePciLibCf8.inf
  PciCf8Lib|MdePkg/Library/BasePciCf8Lib/BasePciCf8Lib.inf
  PciSegmentLib|MdePkg/Library/BasePciSegmentLibPci/BasePciSegmentLibPci.inf
  CacheMaintenanceLib|MdePkg/Library/BaseCacheMaintenanceLib/BaseCacheMaintenanceLib.inf
  PeCoffLib|MdePkg/Library/BasePeCoffLib/BasePeCoffLib.inf
  PeCoffGetEntryPointLib|MdePkg/Library/BasePeCoffGetEntryPointLib/BasePeCoffGetEntryPointLib.inf
  SortLib|MdeModulePkg/Library/BaseSortLib/BaseSortLib.inf
  #
  # UEFI & PI
  #
  UefiBootServicesTableLib|MdePkg/Library/UefiBootServicesTableLib/UefiBootServicesTableLib.inf
  UefiRuntimeServicesTableLib|MdePkg/Library/UefiRuntimeServicesTableLib/UefiRuntimeServicesTableLib.inf
  UefiRuntimeLib|MdePkg/Library/UefiRuntimeLib/UefiRuntimeLib.inf
  UefiLib|MdePkg/Library/UefiLib/UefiLib.inf
  UefiHiiServicesLib|MdeModulePkg/Library/UefiHiiServicesLib/UefiHiiServicesLib.inf
  HiiLib|MdeModulePkg/Library/UefiHiiLib/UefiHiiLib.inf
  DevicePathLib|MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.inf
  UefiDecompressLib|MdePkg/Library/BaseUefiDecompressLib/BaseUefiDecompressLib.inf
  PeiServicesTablePointerLib|MdePkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointerLib.inf
  PeiServicesLib|MdePkg/Library/PeiServicesLib/PeiServicesLib.inf
  DxeServicesLib|MdePkg/Library/DxeServicesLib/DxeServicesLib.inf
  DxeServicesTableLib|MdePkg/Library/DxeServicesTableLib/DxeServicesTableLib.inf
  UefiBootManagerLib|MdeModulePkg/Library/UefiBootManagerLib/UefiBootManagerLib.inf
  VariablePolicyLib|MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLib.inf
  #
  # Generic Modules
  #
  UefiUsbLib|MdePkg/Library/UefiUsbLib/UefiUsbLib.inf
  UefiScsiLib|MdePkg/Library/UefiScsiLib/UefiScsiLib.inf
  SecurityManagementLib|MdeModulePkg/Library/DxeSecurityManagementLib/DxeSecurityManagementLib.inf
  TimerLib|MdePkg/Library/BaseTimerLibNullTemplate/BaseTimerLibNullTemplate.inf
  SerialPortLib|MdePkg/Library/BaseSerialPortLibNull/BaseSerialPortLibNull.inf
  CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.inf
  PcdLib|MdePkg/Library/BasePcdLibNull/BasePcdLibNull.inf
  CustomizedDisplayLib|MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.inf
  FrameBufferBltLib|MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf
  #
  # Misc
  #
  DebugLib|MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
  DebugPrintErrorLevelLib|MdePkg/Library/BaseDebugPrintErrorLevelLib/BaseDebugPrintErrorLevelLib.inf
  ReportStatusCodeLib|MdePkg/Library/BaseReportStatusCodeLibNull/BaseReportStatusCodeLibNull.inf
  PeCoffExtraActionLib|MdePkg/Library/BasePeCoffExtraActionLibNull/BasePeCoffExtraActionLibNull.inf
  PerformanceLib|MdePkg/Library/BasePerformanceLibNull/BasePerformanceLibNull.inf
  DebugAgentLib|MdeModulePkg/Library/DebugAgentLibNull/DebugAgentLibNull.inf
  PlatformHookLib|MdeModulePkg/Library/BasePlatformHookLibNull/BasePlatformHookLibNull.inf
  ResetSystemLib|MdeModulePkg/Library/BaseResetSystemLibNull/BaseResetSystemLibNull.inf
  SmbusLib|MdePkg/Library/DxeSmbusLib/DxeSmbusLib.inf
  S3BootScriptLib|MdeModulePkg/Library/PiDxeS3BootScriptLib/DxeS3BootScriptLib.inf
  CpuExceptionHandlerLib|MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.inf
  PlatformBootManagerLib|MdeModulePkg/Library/PlatformBootManagerLibNull/PlatformBootManagerLibNull.inf
  PciHostBridgeLib|MdeModulePkg/Library/PciHostBridgeLibNull/PciHostBridgeLibNull.inf
  TpmMeasurementLib|MdeModulePkg/Library/TpmMeasurementLibNull/TpmMeasurementLibNull.inf
  AuthVariableLib|MdeModulePkg/Library/AuthVariableLibNull/AuthVariableLibNull.inf
  VarCheckLib|MdeModulePkg/Library/VarCheckLib/VarCheckLib.inf
  FileExplorerLib|MdeModulePkg/Library/FileExplorerLib/FileExplorerLib.inf
  NonDiscoverableDeviceRegistrationLib|MdeModulePkg/Library/NonDiscoverableDeviceRegistrationLib/NonDiscoverableDeviceRegistrationLib.inf

  FmpAuthenticationLib|MdeModulePkg/Library/FmpAuthenticationLibNull/FmpAuthenticationLibNull.inf
  CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.inf
  BmpSupportLib|MdeModulePkg/Library/BaseBmpSupportLib/BaseBmpSupportLib.inf
  SafeIntLib|MdePkg/Library/BaseSafeIntLib/BaseSafeIntLib.inf
  DisplayUpdateProgressLib|MdeModulePkg/Library/DisplayUpdateProgressLibGraphics/DisplayUpdateProgressLibGraphics.inf
  VariablePolicyHelperLib|MdeModulePkg/Library/VariablePolicyHelperLib/VariablePolicyHelperLib.inf

[LibraryClasses.EBC.PEIM]
  IoLib|MdePkg/Library/PeiIoLibCpuIo/PeiIoLibCpuIo.inf

[LibraryClasses.common.PEI_CORE]
  HobLib|MdePkg/Library/PeiHobLib/PeiHobLib.inf
  MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf

[LibraryClasses.common.PEIM]
  HobLib|MdePkg/Library/PeiHobLib/PeiHobLib.inf
  MemoryAllocationLib|MdePkg/Library/PeiMemoryAllocationLib/PeiMemoryAllocationLib.inf
  ExtractGuidedSectionLib|MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxPeiLib.inf

[LibraryClasses.common.DXE_CORE]
  HobLib|MdePkg/Library/DxeCoreHobLib/DxeCoreHobLib.inf
  MemoryAllocationLib|MdeModulePkg/Library/DxeCoreMemoryAllocationLib/DxeCoreMemoryAllocationLib.inf
  ExtractGuidedSectionLib|MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.inf

[LibraryClasses.common.DXE_DRIVER]
  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxDxeLib.inf
  MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
  ExtractGuidedSectionLib|MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.inf
  CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.inf

[LibraryClasses.common.DXE_RUNTIME_DRIVER]
  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
  MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
  DebugLib|MdePkg/Library/UefiDebugLibConOut/UefiDebugLibConOut.inf
  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxDxeLib.inf
  CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibFmp/DxeRuntimeCapsuleLib.inf
  VariablePolicyLib|MdeModulePkg/Library/VariablePolicyLib/VariablePolicyLibRuntimeDxe.inf

[LibraryClasses.common.SMM_CORE]
  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
  MemoryAllocationLib|MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationLib.inf
  SmmServicesTableLib|MdeModulePkg/Library/PiSmmCoreSmmServicesTableLib/PiSmmCoreSmmServicesTableLib.inf
  SmmCorePlatformHookLib|MdeModulePkg/Library/SmmCorePlatformHookLibNull/SmmCorePlatformHookLibNull.inf
  SmmMemLib|MdePkg/Library/SmmMemLib/SmmMemLib.inf

[LibraryClasses.common.DXE_SMM_DRIVER]
  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
  DebugLib|MdePkg/Library/BaseDebugLibNull/BaseDebugLibNull.inf
  MemoryAllocationLib|MdePkg/Library/SmmMemoryAllocationLib/SmmMemoryAllocationLib.inf
  MmServicesTableLib|MdePkg/Library/MmServicesTableLib/MmServicesTableLib.inf
  SmmServicesTableLib|MdePkg/Library/SmmServicesTableLib/SmmServicesTableLib.inf
  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxSmmLib.inf
  SmmMemLib|MdePkg/Library/SmmMemLib/SmmMemLib.inf

[LibraryClasses.common.UEFI_DRIVER]
  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
  MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
  DebugLib|MdePkg/Library/UefiDebugLibConOut/UefiDebugLibConOut.inf
  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxDxeLib.inf

[LibraryClasses.common.UEFI_APPLICATION]
  HobLib|MdePkg/Library/DxeHobLib/DxeHobLib.inf
  MemoryAllocationLib|MdePkg/Library/UefiMemoryAllocationLib/UefiMemoryAllocationLib.inf
  DebugLib|MdePkg/Library/UefiDebugLibStdErr/UefiDebugLibStdErr.inf
  FileHandleLib|MdePkg/Library/UefiFileHandleLib/UefiFileHandleLib.inf

[LibraryClasses.common.MM_STANDALONE]
  HobLib|MdeModulePkg/Library/BaseHobLibNull/BaseHobLibNull.inf
  MemoryAllocationLib|MdeModulePkg/Library/BaseMemoryAllocationLibNull/BaseMemoryAllocationLibNull.inf
  StandaloneMmDriverEntryPoint|MdePkg/Library/StandaloneMmDriverEntryPoint/StandaloneMmDriverEntryPoint.inf
  MmServicesTableLib|MdePkg/Library/StandaloneMmServicesTableLib/StandaloneMmServicesTableLib.inf
  LockBoxLib|MdeModulePkg/Library/SmmLockBoxLib/SmmLockBoxStandaloneMmLib.inf
  MemLib|StandaloneMmPkg/Library/StandaloneMmMemLib/StandaloneMmMemLib.inf

  NULL|MdePkg/Library/BaseStackCheckLib/BaseStackCheckLib.inf

[Components]
  BootloaderPkg/Bootloader.inf

[BuildOptions]

将该内容放入名为 BootloaderPkg.dsc 的文件中，并将其放入您的工作目录中。

  1. 将 Conf/target.txt 文件中的 ACTIVE_PLATFORM 行更改为ACTIVE_PLATFORM = BootloaderPkg/BootloaderPkg.dsc.

  2. 完成后，您就可以编译自己的 EFI 应用程序了。打开终端并键入以下命令：

cd edk2
. edksetup.sh
build

现在您应该在 ~/edk2/BootloaderPkg/Build 目录中拥有所有类型的文件，包括 Bootloader.efi，它是已编译的 EFI 应用程序。

测试 EFI 应用程序

拥有一个 EFI 应用程序真是太好了，现在您想对其进行测试。编写一个 bash 脚本并在其中输入以下命令（在此处获取https://wiki.osdev.org/UEFI）

dd if=/dev/zero of=edk2/BootloaderPkg/disk.img bs=512 count=93750
gdisk edk2/BootloaderPkg/disk.img  #o n ef00 w
sudo losetup --offset 1048576 --sizelimit 46934528 /dev/loop7 edk2/BootloaderPkg/disk.img
sudo mkdosfs -F 32 /dev/loop7
sudo mount /dev/loop7 /mnt
sudo cp edk2/BootloaderPkg/Build/DEBUG_GCC5/X64/Bootloader.efi /mnt
sudo umount /mnt
sudo losetup -d /dev/loop7

将该脚本放入您的主目录并启动该脚本。系统将提示您输入内容。按 o、y、n、enter、enter、enter、ef00、w 和 y 的顺序输入。这将使您拥有一个使用 FAT32 分区的 disk.img 和上面的文件 Bootloader.efi（EFI 应用程序）。

完成此操作后，您需要下载 OVMF 和 qemu 输入

sudo apt install ovmf qemu qemu-system-x86

完成此操作后，键入以下命令以在 QEMU 中启动 EFI shell 并测试您的 EFI 应用程序。

sudo qemu-system-x86_64 -cpu qemu64 -drive if=pflash,format=raw,unit=0,file=/usr/share/OVMF/OVMF_CODE.fd,readonly=on -drive if=pflash,format=raw,unit=1,file=/usr/share/OVMF/OVMF_VARS.fd -drive format=raw,file=edk2/BootloaderPkg/disk.img,if=virtio

几秒钟后，您应该会看到 UEFI shell 出现。然后键入fs0:，然后Bootloader.efi。这将更改目录，然后启动您的 EFI 应用程序。

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