On Sun, Oct 15, 2017 at 10:54:53AM +0100, Ard Biesheuvel wrote:
> Wire up the various modules and boilerplate configuration snippets
> to implement signed capsule update for AMD Overdrive. Note that this
> uses the insecure default key.
>
> The secure firmware on this SoC does not implement warm reboot, so we
> cannot support capsules that persist across reset. Instead, the capsule
> may be installed using CapsuleApp (from MdeModulePkg), from the UEFI
> Shell prompt.
>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Ard Biesheuvel <ard.biesheu...@linaro.org>
> ---
> Platform/AMD/OverdriveBoard/OverdriveBoard.dsc
> | 27 ++++++-
> Platform/AMD/OverdriveBoard/OverdriveBoard.fdf
> | 83 ++++++++++++++++++++
>
> Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc
> | 80 +++++++++++++++++++
>
> Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
> | 46 +++++++++++
>
> Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptorPei.c
> | 68 ++++++++++++++++
>
> Platform/AMD/OverdriveBoard/SystemFirmwareUpdateConfig/SystemFirmwareUpdateConfig.ini
> | 25 ++++++
> 6 files changed, 328 insertions(+), 1 deletion(-)
>
> diff --git a/Platform/AMD/OverdriveBoard/OverdriveBoard.dsc
> b/Platform/AMD/OverdriveBoard/OverdriveBoard.dsc
> index daa773172029..a15f96d2fba9 100644
> --- a/Platform/AMD/OverdriveBoard/OverdriveBoard.dsc
> +++ b/Platform/AMD/OverdriveBoard/OverdriveBoard.dsc
> @@ -123,7 +123,15 @@ DEFINE DO_FLASHER = FALSE
>
> ResetSystemLib|ArmPkg/Library/ArmSmcPsciResetSystemLib/ArmSmcPsciResetSystemLib.inf
>
> RealTimeClockLib|Silicon/AMD/Styx/Library/RealTimeClockLib/RealTimeClockLib.inf
>
> - CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.inf
> + CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.inf
> + BaseCryptLib|CryptoPkg/Library/BaseCryptLib/BaseCryptLib.inf
> + OpensslLib|CryptoPkg/Library/OpensslLib/OpensslLibCrypto.inf
> + IntrinsicLib|CryptoPkg/Library/IntrinsicLib/IntrinsicLib.inf
> +
> EdkiiSystemCapsuleLib|SignedCapsulePkg/Library/EdkiiSystemCapsuleLib/EdkiiSystemCapsuleLib.inf
> +
> FmpAuthenticationLib|SecurityPkg/Library/FmpAuthenticationLibPkcs7/FmpAuthenticationLibPkcs7.inf
> + IniParsingLib|SignedCapsulePkg/Library/IniParsingLib/IniParsingLib.inf
> +
> PlatformFlashAccessLib|Silicon/AMD/Styx/Library/StyxPlatformFlashAccessLib/StyxPlatformFlashAccessLib.inf
> +
>
> UefiBootManagerLib|MdeModulePkg/Library/UefiBootManagerLib/UefiBootManagerLib.inf
>
> PlatformBootManagerLib|ArmPkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
> BootLogoLib|MdeModulePkg/Library/BootLogoLib/BootLogoLib.inf
> @@ -499,6 +507,15 @@ DEFINE DO_FLASHER = FALSE
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwWorkingBase64|0x0
> gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareBase64|0x0
>
> +[PcdsDynamicExDefault.common.DEFAULT]
> +
> gEfiSignedCapsulePkgTokenSpaceGuid.PcdEdkiiSystemFirmwareImageDescriptor|{0x0}|VOID*|0x100
> +
> + # 642e4fcf-2df7-4415-8b70-a03909c57b55
> + gEfiSignedCapsulePkgTokenSpaceGuid.PcdEdkiiSystemFirmwareFileGuid|{0xcf,
> 0x4f, 0x2e, 0x64, 0xf7, 0x2d, 0x15, 0x44, 0x8b, 0x70, 0xa0, 0x39, 0x09, 0xc5,
> 0x7b, 0x55}
> +
> + # d34b3d29-0085-4ab3-8be8-84188cc50489
> + gEfiMdeModulePkgTokenSpaceGuid.PcdSystemFmpCapsuleImageTypeIdGuid|{0x29,
> 0x3d, 0x4b, 0xd3, 0x85, 0x0, 0xb3, 0x4a, 0x8b, 0xe8, 0x84, 0x18, 0x8c, 0xc5,
> 0x04, 0x89}
> +
> [PcdsDynamicHii]
>
> gEfiMdePkgTokenSpaceGuid.PcdPlatformBootTimeOut|L"Timeout"|gEfiGlobalVariableGuid|0x0|5
>
> @@ -745,3 +762,11 @@ DEFINE DO_FLASHER = FALSE
>
> ShellCEntryLib|ShellPkg/Library/UefiShellCEntryLib/UefiShellCEntryLib.inf
> }
> !endif
> +
> + #
> + # Firmware update
> + #
> + MdeModulePkg/Universal/EsrtDxe/EsrtDxe.inf
> + SignedCapsulePkg/Universal/SystemFirmwareUpdate/SystemFirmwareReportDxe.inf
> + SignedCapsulePkg/Universal/SystemFirmwareUpdate/SystemFirmwareUpdateDxe.inf
> +
> Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
> diff --git a/Platform/AMD/OverdriveBoard/OverdriveBoard.fdf
> b/Platform/AMD/OverdriveBoard/OverdriveBoard.fdf
> index 23e57befcdd9..18f74b3c46fe 100644
> --- a/Platform/AMD/OverdriveBoard/OverdriveBoard.fdf
> +++ b/Platform/AMD/OverdriveBoard/OverdriveBoard.fdf
> @@ -249,6 +249,12 @@ READ_LOCK_STATUS = TRUE
> #
> INF Silicon/AMD/Styx/Drivers/StyxRngDxe/StyxRngDxe.inf
>
> + #
> + # Firmware update
> + #
> + INF MdeModulePkg/Universal/EsrtDxe/EsrtDxe.inf
> + INF
> SignedCapsulePkg/Universal/SystemFirmwareUpdate/SystemFirmwareReportDxe.inf
> +
> [FV.STYX_EFI]
> FvAlignment = 16
> ERASE_POLARITY = 1
> @@ -277,6 +283,8 @@ READ_LOCK_STATUS = TRUE
> INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
> INF MdeModulePkg/Universal/Variable/Pei/VariablePei.inf
> INF MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
> + INF RuleOverride = FMP_IMAGE_DESC
> Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
> +
>
> FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
> SECTION GUIDED EE4E5898-3914-4259-9D6E-DC7BD79403CF PROCESSING_REQUIRED
> = TRUE {
> @@ -284,6 +292,73 @@ READ_LOCK_STATUS = TRUE
> }
> }
>
> +[FV.CapsuleDispatchFv]
> +FvAlignment = 16
> +ERASE_POLARITY = 1
> +MEMORY_MAPPED = TRUE
> +STICKY_WRITE = TRUE
> +LOCK_CAP = TRUE
> +LOCK_STATUS = TRUE
> +WRITE_DISABLED_CAP = TRUE
> +WRITE_ENABLED_CAP = TRUE
> +WRITE_STATUS = TRUE
> +WRITE_LOCK_CAP = TRUE
> +WRITE_LOCK_STATUS = TRUE
> +READ_DISABLED_CAP = TRUE
> +READ_ENABLED_CAP = TRUE
> +READ_STATUS = TRUE
> +READ_LOCK_CAP = TRUE
> +READ_LOCK_STATUS = TRUE
> +
> + INF
> SignedCapsulePkg/Universal/SystemFirmwareUpdate/SystemFirmwareUpdateDxe.inf
> +
> +[FV.SystemFirmwareUpdateCargo]
> +FvAlignment = 16
> +ERASE_POLARITY = 1
> +MEMORY_MAPPED = TRUE
> +STICKY_WRITE = TRUE
> +LOCK_CAP = TRUE
> +LOCK_STATUS = TRUE
> +WRITE_DISABLED_CAP = TRUE
> +WRITE_ENABLED_CAP = TRUE
> +WRITE_STATUS = TRUE
> +WRITE_LOCK_CAP = TRUE
> +WRITE_LOCK_STATUS = TRUE
> +READ_DISABLED_CAP = TRUE
> +READ_ENABLED_CAP = TRUE
> +READ_STATUS = TRUE
> +READ_LOCK_CAP = TRUE
> +READ_LOCK_STATUS = TRUE
> +
> + FILE RAW = 642e4fcf-2df7-4415-8b70-a03909c57b55 { #
> PcdEdkiiSystemFirmwareFileGuid
> + FV = STYX_EFI
> + }
> +
> + FILE RAW = ce57b167-b0e4-41e8-a897-5f4feb781d40 { #
> gEdkiiSystemFmpCapsuleDriverFvFileGuid
> + FV = CapsuleDispatchFv
> + }
> +
> + FILE RAW = 812136D3-4D3A-433A-9418-29BB9BF78F6E { #
> gEdkiiSystemFmpCapsuleConfigFileGuid
> +
> Platform/AMD/OverdriveBoard/SystemFirmwareUpdateConfig/SystemFirmwareUpdateConfig.ini
> + }
> +
> +[FmpPayload.FmpPayloadSystemFirmwarePkcs7]
> +IMAGE_HEADER_INIT_VERSION = 0x02
> +IMAGE_TYPE_ID = d34b3d29-0085-4ab3-8be8-84188cc50489 #
> PcdSystemFmpCapsuleImageTypeIdGuid
> +IMAGE_INDEX = 0x1
> +HARDWARE_INSTANCE = 0x0
> +MONOTONIC_COUNT = 0x1
> +CERTIFICATE_GUID = 4AAFD29D-68DF-49EE-8AA9-347D375665A7 # PKCS7
> +
> + FV = SystemFirmwareUpdateCargo
> +
> +[Capsule.StyxFirmwareUpdateCapsuleFmpPkcs7]
> +CAPSULE_GUID = 6dcbd5ed-e82d-4c44-bda1-7194199ad92a #
> gEfiFmpCapsuleGuid
> +CAPSULE_HEADER_SIZE = 0x20
> +CAPSULE_HEADER_INIT_VERSION = 0x1
> +
> + FMP_PAYLOAD = FmpPayloadSystemFirmwarePkcs7
> +
>
>
> ################################################################################
> #
> @@ -413,3 +488,11 @@ READ_LOCK_STATUS = TRUE
> RAW ASL |.aml
> }
>
> +[Rule.Common.PEIM.FMP_IMAGE_DESC]
> + FILE PEIM = $(NAMED_GUID) {
> + RAW BIN |.acpi
> + PEI_DEPEX PEI_DEPEX Optional $(INF_OUTPUT)/$(MODULE_NAME).depex
> + PE32 PE32 Align=4K $(INF_OUTPUT)/$(MODULE_NAME).efi
> + UI STRING="$(MODULE_NAME)" Optional
> + VERSION STRING="$(INF_VERSION)" Optional BUILD_NUM=$(BUILD_NUMBER)
> + }
> diff --git
> a/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc
>
> b/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc
> new file mode 100644
> index 000000000000..8737c02fa006
> --- /dev/null
> +++
> b/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.aslc
> @@ -0,0 +1,80 @@
> +/** @file
> + System Firmware descriptor.
> +
> + Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2017, Linaro, Ltd. All rights reserved.<BR>
> +
> + This program and the accompanying materials
> + are licensed and made available under the terms and conditions of the BSD
> License
> + which accompanies this distribution. The full text of the license may be
> found at
> + http://opensource.org/licenses/bsd-license.php
> +
> + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
> IMPLIED.
> +
> +**/
> +
> +#include <PiPei.h>
> +#include <Protocol/FirmwareManagement.h>
> +#include <Guid/EdkiiSystemFmpCapsule.h>
> +
> +#define PACKAGE_VERSION 0xFFFFFFFF
> +#define PACKAGE_VERSION_STRING L"Unknown"
> +
> +#define CURRENT_FIRMWARE_VERSION 0x00000001
> +#define CURRENT_FIRMWARE_VERSION_STRING L"0x00000001"
> +#define LOWEST_SUPPORTED_FIRMWARE_VERSION 0x00000001
> +
> +#define IMAGE_ID SIGNATURE_64('O', 'V', 'R', 'D',
> 'R', 'I', 'V', 'E')
> +#define IMAGE_ID_STRING L"AMD Seattle Overdrive UEFI"
> +
> +// PcdSystemFmpCapsuleImageTypeIdGuid
> +#define IMAGE_TYPE_ID_GUID { 0xd34b3d29, 0x0085, 0x4ab3, {
> 0x8b, 0xe8, 0x84, 0x18, 0x8c, 0xc5, 0x04, 0x89 } }
> +
> +typedef struct {
> + EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR Descriptor;
> + // real string data
> + CHAR16
> ImageIdNameStr[sizeof(IMAGE_ID_STRING)/sizeof(CHAR16)];
> + CHAR16
> VersionNameStr[sizeof(CURRENT_FIRMWARE_VERSION_STRING)/sizeof(CHAR16)];
> + CHAR16
> PackageVersionNameStr[sizeof(PACKAGE_VERSION_STRING)/sizeof(CHAR16)];
> +} IMAGE_DESCRIPTOR;
> +
> +STATIC IMAGE_DESCRIPTOR mImageDescriptor =
> +{
> + {
> + EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR_SIGNATURE,
> + sizeof(EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR),
> + sizeof(IMAGE_DESCRIPTOR),
> + PACKAGE_VERSION, // PackageVersion
> + OFFSET_OF (IMAGE_DESCRIPTOR, PackageVersionNameStr), //
> PackageVersionName
> + 1, // ImageIndex;
> + {0x0}, // Reserved
> + IMAGE_TYPE_ID_GUID, // ImageTypeId;
> + IMAGE_ID, // ImageId;
> + OFFSET_OF (IMAGE_DESCRIPTOR, ImageIdNameStr), // ImageIdName;
> + CURRENT_FIRMWARE_VERSION, // Version;
> + OFFSET_OF (IMAGE_DESCRIPTOR, VersionNameStr), // VersionName;
> + {0x0}, // Reserved2
> + FixedPcdGet32(PcdFdSize), // Size;
> + IMAGE_ATTRIBUTE_IMAGE_UPDATABLE |
> + IMAGE_ATTRIBUTE_RESET_REQUIRED |
> + IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED |
> + IMAGE_ATTRIBUTE_IN_USE, //
> AttributesSupported;
> + IMAGE_ATTRIBUTE_IMAGE_UPDATABLE |
> + IMAGE_ATTRIBUTE_RESET_REQUIRED |
> + IMAGE_ATTRIBUTE_AUTHENTICATION_REQUIRED |
> + IMAGE_ATTRIBUTE_IN_USE, //
> AttributesSetting;
> + 0x0, //
> Compatibilities;
> + LOWEST_SUPPORTED_FIRMWARE_VERSION, //
> LowestSupportedImageVersion;
> + 0x00000000, //
> LastAttemptVersion;
> + 0, //
> LastAttemptStatus;
> + {0x0}, // Reserved3
> + 0, //
> HardwareInstance;
> + },
> + // real string data
> + IMAGE_ID_STRING,
> + CURRENT_FIRMWARE_VERSION_STRING,
> + PACKAGE_VERSION_STRING,
> +};
> +
> +VOID* CONST ReferenceAcpiTable = &mImageDescriptor;
> diff --git
> a/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
>
> b/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
> new file mode 100644
> index 000000000000..9d47d3b2923a
> --- /dev/null
> +++
> b/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptor.inf
> @@ -0,0 +1,46 @@
> +## @file
> +# System Firmware descriptor.
> +#
> +# Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
> +# This program and the accompanying materials
> +# are licensed and made available under the terms and conditions of the BSD
> License
> +# which accompanies this distribution. The full text of the license may be
> found at
> +# http://opensource.org/licenses/bsd-license.php
> +#
> +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
> IMPLIED.
> +#
> +##
> +
> +[Defines]
> + INF_VERSION = 0x0001001A
> + BASE_NAME = SystemFirmwareDescriptor
> + FILE_GUID = 90B2B846-CA6D-4D6E-A8D3-C140A8E110AC
> + MODULE_TYPE = PEIM
> + VERSION_STRING = 1.0
> + ENTRY_POINT = SystemFirmwareDescriptorPeimEntry
> +
> +[Sources]
> + SystemFirmwareDescriptorPei.c
> + SystemFirmwareDescriptor.aslc
> +
> +[Packages]
> + ArmPkg/ArmPkg.dec
> + MdePkg/MdePkg.dec
> + MdeModulePkg/MdeModulePkg.dec
> + SignedCapsulePkg/SignedCapsulePkg.dec
> +
> +[LibraryClasses]
> + PcdLib
> + PeiServicesLib
> + DebugLib
> + PeimEntryPoint
Sort alphabetically in this file, please.
> +
> +[FixedPcd]
> + gArmTokenSpaceGuid.PcdFdSize
> +
> +[Pcd]
> + gEfiSignedCapsulePkgTokenSpaceGuid.PcdEdkiiSystemFirmwareImageDescriptor
> +
> +[Depex]
> + TRUE
> diff --git
> a/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptorPei.c
>
> b/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptorPei.c
> new file mode 100644
> index 000000000000..8d40956726ab
> --- /dev/null
> +++
> b/Platform/AMD/OverdriveBoard/SystemFirmwareDescriptor/SystemFirmwareDescriptorPei.c
> @@ -0,0 +1,68 @@
> +/** @file
> + System Firmware descriptor producer.
> +
> + Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
> + This program and the accompanying materials
> + are licensed and made available under the terms and conditions of the BSD
> License
> + which accompanies this distribution. The full text of the license may be
> found at
> + http://opensource.org/licenses/bsd-license.php
> +
> + THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> + WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
> IMPLIED.
> +
> +**/
> +
> +#include <PiPei.h>
> +#include <Library/PcdLib.h>
> +#include <Library/PeiServicesLib.h>
> +#include <Library/DebugLib.h>
Sort please.
No further comments.
If you fold that in, for the series:
Reviewed-by: Leif Lindholm <leif.lindh...@linaro.org>
Certainly, 1/5 can be pushed separately.
/
Leif
> +#include <Protocol/FirmwareManagement.h>
> +#include <Guid/EdkiiSystemFmpCapsule.h>
> +
> +/**
> + Entrypoint for SystemFirmwareDescriptor PEIM.
> +
> + @param[in] FileHandle Handle of the file being invoked.
> + @param[in] PeiServices Describes the list of possible PEI Services.
> +
> + @retval EFI_SUCCESS PPI successfully installed.
> +**/
> +EFI_STATUS
> +EFIAPI
> +SystemFirmwareDescriptorPeimEntry (
> + IN EFI_PEI_FILE_HANDLE FileHandle,
> + IN CONST EFI_PEI_SERVICES **PeiServices
> + )
> +{
> + EFI_STATUS Status;
> + EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR *Descriptor;
> + UINTN Size;
> + UINTN Index;
> + UINT32 AuthenticationStatus;
> +
> + //
> + // Search RAW section.
> + //
> + Index = 0;
> + while (TRUE) {
> + Status = PeiServicesFfsFindSectionData3(EFI_SECTION_RAW, Index,
> FileHandle,
> + (VOID **)&Descriptor, &AuthenticationStatus);
> + if (EFI_ERROR(Status)) {
> + // Should not happen, must something wrong in FDF.
> + ASSERT(FALSE);
> + return EFI_NOT_FOUND;
> + }
> + if (Descriptor->Signature ==
> EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR_SIGNATURE) {
> + break;
> + }
> + Index++;
> + }
> +
> + DEBUG((DEBUG_INFO, "EDKII_SYSTEM_FIRMWARE_IMAGE_DESCRIPTOR size - 0x%x\n",
> + Descriptor->Length));
> +
> + Size = Descriptor->Length;
> + PcdSetPtrS (PcdEdkiiSystemFirmwareImageDescriptor, &Size, Descriptor);
> +
> + return EFI_SUCCESS;
> +}
> diff --git
> a/Platform/AMD/OverdriveBoard/SystemFirmwareUpdateConfig/SystemFirmwareUpdateConfig.ini
>
> b/Platform/AMD/OverdriveBoard/SystemFirmwareUpdateConfig/SystemFirmwareUpdateConfig.ini
> new file mode 100644
> index 000000000000..c89e95f60fba
> --- /dev/null
> +++
> b/Platform/AMD/OverdriveBoard/SystemFirmwareUpdateConfig/SystemFirmwareUpdateConfig.ini
> @@ -0,0 +1,25 @@
> +## @file
> +#
> +# Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
> +# This program and the accompanying materials
> +# are licensed and made available under the terms and conditions of the BSD
> License
> +# which accompanies this distribution. The full text of the license may be
> found at
> +# http://opensource.org/licenses/bsd-license.php
> +#
> +# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
> +# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR
> IMPLIED.
> +#
> +##
> +
> +[Head]
> +NumOfUpdate = 1
> +NumOfRecovery = 0
> +Update0 = StyxFvMain
> +
> +[StyxFvMain]
> +FirmwareType = 0 # SystemFirmware
> +AddressType = 0 # 0 - relative address, 1 - absolute address.
> +BaseAddress = 0x00200000 # Base address offset on flash
> +Length = 0x00260000 # Length
> +ImageOffset = 0x00000000 # Image offset of this SystemFirmware image
> +FileGuid = 642e4fcf-2df7-4415-8b70-a03909c57b55 #
> PcdEdkiiSystemFirmwareFileGuid
> --
> 2.11.0
>
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