mirror of https://github.com/acidanthera/audk.git
MdeModulePkg: Add CapsuleOnDiskLoadPei PEIM.
https://github.com/tianocore/tianocore.github.io/wiki/UEFI-Capsule- on-Disk-Introducation This module provides PPI to load Capsule On Disk temp relocation file from Root Directory file system, retrieve the capsules from the temp file and create capsule hobs for these capsules. Cc: Jian J Wang <jian.j.wang@intel.com> Cc: Hao A Wu <hao.a.wu@intel.com> Cc: Chao B Zhang <chao.b.zhang@intel.com> Signed-off-by: Wei6 Xu <wei6.xu@intel.com> Reviewed-by: Hao A Wu <hao.a.wu@intel.com> Reviewed-by: Chao B Zhang <chao.b.zhang@intel.com>
This commit is contained in:
Wei6 Xu
Zhang, Chao B
parent
8636f70b5a
commit
f17935321a
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@ -199,6 +199,9 @@
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxSizePopulateCapsule|0x0
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gEfiMdeModulePkgTokenSpaceGuid.PcdMaxPeiPerformanceLogEntries|28
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[PcdsDynamicExDefault]
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gEfiMdeModulePkgTokenSpaceGuid.PcdRecoveryFileName|L"FVMAIN.FV"
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[Components]
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MdeModulePkg/Application/HelloWorld/HelloWorld.inf
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MdeModulePkg/Application/DumpDynPcd/DumpDynPcd.inf
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@ -333,6 +336,7 @@
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MdeModulePkg/Universal/DriverHealthManagerDxe/DriverHealthManagerDxe.inf
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MdeModulePkg/Universal/BootManagerPolicyDxe/BootManagerPolicyDxe.inf
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MdeModulePkg/Universal/CapsulePei/CapsulePei.inf
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MdeModulePkg/Universal/CapsuleOnDiskLoadPei/CapsuleOnDiskLoadPei.inf
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MdeModulePkg/Universal/CapsuleRuntimeDxe/CapsuleRuntimeDxe.inf
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MdeModulePkg/Universal/Console/ConPlatformDxe/ConPlatformDxe.inf
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MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitterDxe.inf
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@ -0,0 +1,442 @@
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/** @file
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Recovery module.
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Caution: This module requires additional review when modified.
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This module will have external input - Capsule-on-Disk Temp Relocation image.
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This external input must be validated carefully to avoid security issue like
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buffer overflow, integer overflow.
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RetrieveRelocatedCapsule() will receive untrusted input and do basic validation.
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Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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//
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// The package level header files this module uses
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//
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#include <Uefi.h>
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#include <PiPei.h>
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//
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// The protocols, PPI and GUID defintions for this module
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//
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#include <Ppi/MasterBootMode.h>
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#include <Ppi/FirmwareVolumeInfo.h>
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#include <Ppi/ReadOnlyVariable2.h>
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#include <Ppi/Capsule.h>
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#include <Ppi/CapsuleOnDisk.h>
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#include <Ppi/DeviceRecoveryModule.h>
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#include <Guid/FirmwareFileSystem2.h>
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//
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// The Library classes this module consumes
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//
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#include <Library/DebugLib.h>
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#include <Library/PeimEntryPoint.h>
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#include <Library/PeiServicesLib.h>
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#include <Library/HobLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/PcdLib.h>
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#include <Library/CapsuleLib.h>
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#include <Library/ReportStatusCodeLib.h>
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/**
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Loads a DXE capsule from some media into memory and updates the HOB table
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with the DXE firmware volume information.
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@param[in] PeiServices General-purpose services that are available to every PEIM.
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@param[in] This Indicates the EFI_PEI_RECOVERY_MODULE_PPI instance.
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@retval EFI_SUCCESS The capsule was loaded correctly.
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@retval EFI_DEVICE_ERROR A device error occurred.
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@retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.
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**/
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EFI_STATUS
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EFIAPI
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LoadCapsuleOnDisk (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_CAPSULE_ON_DISK_PPI *This
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);
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EFI_PEI_CAPSULE_ON_DISK_PPI mCapsuleOnDiskPpi = {
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LoadCapsuleOnDisk
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};
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EFI_PEI_PPI_DESCRIPTOR mCapsuleOnDiskPpiList = {
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(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gEdkiiPeiCapsuleOnDiskPpiGuid,
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&mCapsuleOnDiskPpi
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};
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/**
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Determine if capsule comes from memory by checking Capsule PPI.
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@param[in] PeiServices General purpose services available to every PEIM.
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@retval TRUE Capsule comes from memory.
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@retval FALSE No capsule comes from memory.
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**/
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static
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BOOLEAN
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CheckCapsuleFromRam (
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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PEI_CAPSULE_PPI *Capsule;
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Status = PeiServicesLocatePpi (
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&gEfiPeiCapsulePpiGuid,
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0,
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NULL,
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(VOID **) &Capsule
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);
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if (!EFI_ERROR(Status)) {
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Status = Capsule->CheckCapsuleUpdate ((EFI_PEI_SERVICES **)PeiServices);
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if (!EFI_ERROR(Status)) {
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return TRUE;
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}
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}
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return FALSE;
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}
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/**
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Determine if it is a Capsule On Disk mode.
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@retval TRUE Capsule On Disk mode.
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@retval FALSE Not capsule On Disk mode.
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**/
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BOOLEAN
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IsCapsuleOnDiskMode (
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VOID
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)
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{
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EFI_STATUS Status;
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UINTN Size;
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EFI_PEI_READ_ONLY_VARIABLE2_PPI *PPIVariableServices;
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BOOLEAN CodRelocInfo;
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Status = PeiServicesLocatePpi (
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&gEfiPeiReadOnlyVariable2PpiGuid,
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0,
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NULL,
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(VOID **) &PPIVariableServices
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);
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ASSERT_EFI_ERROR (Status);
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Size = sizeof (BOOLEAN);
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Status = PPIVariableServices->GetVariable (
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PPIVariableServices,
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COD_RELOCATION_INFO_VAR_NAME,
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&gEfiCapsuleVendorGuid,
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NULL,
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&Size,
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&CodRelocInfo
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);
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if (EFI_ERROR (Status) || Size != sizeof(BOOLEAN) || !CodRelocInfo) {
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DEBUG (( DEBUG_ERROR, "Error Get CodRelocationInfo variable %r!\n", Status));
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return FALSE;
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}
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return TRUE;
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}
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/**
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Gets capsule images from relocated capsule buffer.
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Create Capsule hob for each Capsule.
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Caution: This function may receive untrusted input.
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Capsule-on-Disk Temp Relocation image is external input, so this function
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will validate Capsule-on-Disk Temp Relocation image to make sure the content
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is read within the buffer.
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@param[in] RelocCapsuleBuf Buffer pointer to the relocated capsule.
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@param[in] RelocCapsuleTotalSize Total size of the relocated capsule.
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@retval EFI_SUCCESS Succeed to get capsules and create hob.
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@retval Others Fail to get capsules and create hob.
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**/
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EFI_STATUS
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EFIAPI
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RetrieveRelocatedCapsule (
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IN UINT8 *RelocCapsuleBuf,
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IN UINTN RelocCapsuleTotalSize
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)
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{
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EFI_STATUS Status;
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UINTN Index;
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UINT8 *CapsuleDataBufEnd;
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UINT8 *CapsulePtr;
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UINT32 CapsuleSize;
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UINT64 TotalImageSize;
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UINTN CapsuleNum;
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CapsuleNum = 0;
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//
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// Temp file contains at least 2 capsule (including 1 capsule name capsule) & 1 UINT64
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//
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if (RelocCapsuleTotalSize < sizeof(UINT64) + sizeof(EFI_CAPSULE_HEADER) * 2) {
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return EFI_INVALID_PARAMETER;
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}
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CopyMem(&TotalImageSize, RelocCapsuleBuf, sizeof(UINT64));
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DEBUG ((DEBUG_INFO, "ProcessRelocatedCapsule CapsuleBuf %x TotalCapSize %lx\n",
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RelocCapsuleBuf, TotalImageSize));
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RelocCapsuleBuf += sizeof(UINT64);
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//
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// TempCaspule file length check
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//
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if (MAX_ADDRESS - TotalImageSize <= sizeof(UINT64) ||
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(UINT64)RelocCapsuleTotalSize != TotalImageSize + sizeof(UINT64) ||
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(UINTN)(MAX_ADDRESS - (PHYSICAL_ADDRESS)(UINTN)RelocCapsuleBuf) <= TotalImageSize) {
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return EFI_INVALID_PARAMETER;
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}
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CapsuleDataBufEnd = RelocCapsuleBuf + TotalImageSize;
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//
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// TempCapsule file integrity check over Capsule Header to ensure no data corruption in NV Var & Relocation storage
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//
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CapsulePtr = RelocCapsuleBuf;
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while (CapsulePtr < CapsuleDataBufEnd) {
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if ((CapsuleDataBufEnd - CapsulePtr) < sizeof(EFI_CAPSULE_HEADER) ||
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((EFI_CAPSULE_HEADER *)CapsulePtr)->CapsuleImageSize < sizeof(EFI_CAPSULE_HEADER) ||
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(UINTN)(MAX_ADDRESS - (PHYSICAL_ADDRESS)(UINTN)CapsulePtr) < ((EFI_CAPSULE_HEADER *)CapsulePtr)->CapsuleImageSize
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) {
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break;
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}
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CapsulePtr += ((EFI_CAPSULE_HEADER *)CapsulePtr)->CapsuleImageSize;
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CapsuleNum ++;
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}
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if (CapsulePtr != CapsuleDataBufEnd) {
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Status = EFI_INVALID_PARAMETER;
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goto EXIT;
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}
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//
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// Capsule count must be less than PcdCapsuleMax, avoid building too many CvHobs to occupy all the free space in HobList.
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//
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if (CapsuleNum > PcdGet16 (PcdCapsuleMax)) {
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Status = EFI_INVALID_PARAMETER;
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goto EXIT;
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}
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//
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// Re-iterate the capsule buffer to create Capsule hob & Capsule Name Str Hob for each Capsule saved in relocated capsule file
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//
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CapsulePtr = RelocCapsuleBuf;
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Index = 0;
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while (CapsulePtr < CapsuleDataBufEnd) {
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CapsuleSize = ((EFI_CAPSULE_HEADER *)CapsulePtr)->CapsuleImageSize;
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BuildCvHob ((EFI_PHYSICAL_ADDRESS)(UINTN)CapsulePtr, CapsuleSize);
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DEBUG((DEBUG_INFO, "Capsule saved in address %x size %x\n", CapsulePtr, CapsuleSize));
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CapsulePtr += CapsuleSize;
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Index++;
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}
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EXIT:
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return Status;
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}
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/**
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Recovery module entrypoint
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@param[in] FileHandle Handle of the file being invoked.
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@param[in] PeiServices Describes the list of possible PEI Services.
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@return EFI_SUCCESS Recovery module is initialized.
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**/
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EFI_STATUS
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EFIAPI
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InitializeCapsuleOnDiskLoad (
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IN EFI_PEI_FILE_HANDLE FileHandle,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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EFI_STATUS Status;
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UINTN BootMode;
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UINTN FileNameSize;
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BootMode = GetBootModeHob();
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ASSERT(BootMode == BOOT_ON_FLASH_UPDATE);
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//
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// If there are capsules provisioned in memory, quit.
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// Only one capsule resource is accept, CapsuleOnRam's priority is higher than CapsuleOnDisk.
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//
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if (CheckCapsuleFromRam(PeiServices)) {
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DEBUG((DEBUG_ERROR, "Capsule On Memory Detected! Quit.\n"));
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return EFI_ABORTED;
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}
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DEBUG_CODE (
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VOID *CapsuleOnDiskModePpi;
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if (!IsCapsuleOnDiskMode()){
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return EFI_NOT_FOUND;
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}
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//
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// Check Capsule On Disk Relocation flag. If exists, load capsule & create Capsule Hob
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//
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Status = PeiServicesLocatePpi (
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&gEdkiiPeiBootInCapsuleOnDiskModePpiGuid,
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0,
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NULL,
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(VOID **)&CapsuleOnDiskModePpi
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);
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if (EFI_ERROR(Status)) {
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DEBUG((DEBUG_ERROR, "Locate CapsuleOnDiskModePpi error %x\n", Status));
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return Status;
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}
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);
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Status = PeiServicesInstallPpi (&mCapsuleOnDiskPpiList);
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ASSERT_EFI_ERROR (Status);
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FileNameSize = PcdGetSize (PcdCoDRelocationFileName);
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Status = PcdSetPtrS (PcdRecoveryFileName, &FileNameSize, (VOID *) PcdGetPtr(PcdCoDRelocationFileName));
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ASSERT_EFI_ERROR (Status);
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return Status;
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}
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/**
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Loads a DXE capsule from some media into memory and updates the HOB table
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with the DXE firmware volume information.
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@param[in] PeiServices General-purpose services that are available to every PEIM.
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@param[in] This Indicates the EFI_PEI_RECOVERY_MODULE_PPI instance.
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@retval EFI_SUCCESS The capsule was loaded correctly.
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@retval EFI_DEVICE_ERROR A device error occurred.
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@retval EFI_NOT_FOUND A recovery DXE capsule cannot be found.
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**/
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EFI_STATUS
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EFIAPI
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LoadCapsuleOnDisk (
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IN EFI_PEI_SERVICES **PeiServices,
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IN EFI_PEI_CAPSULE_ON_DISK_PPI *This
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)
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{
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EFI_STATUS Status;
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EFI_PEI_DEVICE_RECOVERY_MODULE_PPI *DeviceRecoveryPpi;
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UINTN NumberRecoveryCapsules;
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UINTN Instance;
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UINTN CapsuleInstance;
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UINTN CapsuleSize;
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EFI_GUID CapsuleType;
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VOID *CapsuleBuffer;
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DEBUG ((DEBUG_INFO | DEBUG_LOAD, "Load Capsule On Disk Entry\n"));
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for (Instance = 0; ; Instance++) {
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Status = PeiServicesLocatePpi (
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&gEfiPeiDeviceRecoveryModulePpiGuid,
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Instance,
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NULL,
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(VOID **)&DeviceRecoveryPpi
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);
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DEBUG ((DEBUG_INFO, "LoadCapsuleOnDisk - LocateRecoveryPpi (%d) - %r\n", Instance, Status));
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if (EFI_ERROR (Status)) {
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if (Instance == 0) {
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REPORT_STATUS_CODE (
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EFI_ERROR_CODE | EFI_ERROR_MAJOR,
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(EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_RECOVERY_PPI_NOT_FOUND)
|
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);
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}
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break;
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}
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NumberRecoveryCapsules = 0;
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Status = DeviceRecoveryPpi->GetNumberRecoveryCapsules (
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(EFI_PEI_SERVICES **)PeiServices,
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DeviceRecoveryPpi,
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&NumberRecoveryCapsules
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);
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DEBUG ((DEBUG_INFO, "LoadCapsuleOnDisk - GetNumberRecoveryCapsules (%d) - %r\n", NumberRecoveryCapsules, Status));
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if (EFI_ERROR (Status)) {
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continue;
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}
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for (CapsuleInstance = 1; CapsuleInstance <= NumberRecoveryCapsules; CapsuleInstance++) {
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CapsuleSize = 0;
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Status = DeviceRecoveryPpi->GetRecoveryCapsuleInfo (
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(EFI_PEI_SERVICES **)PeiServices,
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DeviceRecoveryPpi,
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CapsuleInstance,
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&CapsuleSize,
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&CapsuleType
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);
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DEBUG ((DEBUG_INFO, "LoadCapsuleOnDisk - GetRecoveryCapsuleInfo (%d - %x) - %r\n", CapsuleInstance, CapsuleSize, Status));
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if (EFI_ERROR (Status)) {
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break;
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}
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//
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// Allocate the memory so that it gets preserved into DXE.
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// Capsule is special because it may need to populate to system table
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//
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CapsuleBuffer = AllocateRuntimePages (EFI_SIZE_TO_PAGES (CapsuleSize));
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if (CapsuleBuffer == NULL) {
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DEBUG ((DEBUG_ERROR, "LoadCapsuleOnDisk - AllocateRuntimePages fail\n"));
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continue;
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}
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Status = DeviceRecoveryPpi->LoadRecoveryCapsule (
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(EFI_PEI_SERVICES **)PeiServices,
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DeviceRecoveryPpi,
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CapsuleInstance,
|
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CapsuleBuffer
|
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);
|
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DEBUG ((DEBUG_INFO, "LoadCapsuleOnDisk - LoadRecoveryCapsule (%d) - %r\n", CapsuleInstance, Status));
|
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if (EFI_ERROR (Status)) {
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FreePages (CapsuleBuffer, EFI_SIZE_TO_PAGES(CapsuleSize));
|
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break;
|
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}
|
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|
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//
|
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// Capsule Update Mode, Split relocated Capsule buffer into different capsule vehical hobs.
|
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//
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Status = RetrieveRelocatedCapsule(CapsuleBuffer, CapsuleSize);
|
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|
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break;
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}
|
||||
|
||||
if (EFI_ERROR (Status)) {
|
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REPORT_STATUS_CODE (
|
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EFI_ERROR_CODE | EFI_ERROR_MAJOR,
|
||||
(EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_NO_RECOVERY_CAPSULE)
|
||||
);
|
||||
}
|
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|
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return Status;
|
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}
|
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|
||||
//
|
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// Any attack against GPT, Relocation Info Variable or temp relocation file will result in no Capsule HOB and return EFI_NOT_FOUND.
|
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// After flow to DXE phase. since no capsule hob is detected. Platform will clear Info flag and force restart.
|
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// No volunerability will be exposed
|
||||
//
|
||||
|
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return EFI_NOT_FOUND;
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||||
}
|
||||
|
|
@ -0,0 +1,64 @@
|
|||
## @file
|
||||
# Load Capsule on Disk module.
|
||||
#
|
||||
# Load Capsule On Disk from Root Directory file system. Create CV hob
|
||||
# based on temporary Capsule On Disk file.
|
||||
#
|
||||
# Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
|
||||
#
|
||||
# SPDX-License-Identifier: BSD-2-Clause-Patent
|
||||
#
|
||||
##
|
||||
|
||||
[Defines]
|
||||
INF_VERSION = 0x00010005
|
||||
BASE_NAME = CapsuleOnDiskLoadPei
|
||||
MODULE_UNI_FILE = CapsuleOnDiskLoadPei.uni
|
||||
FILE_GUID = 8ADEDF9E-2EC8-40fb-AE56-B76D90225D2D
|
||||
MODULE_TYPE = PEIM
|
||||
VERSION_STRING = 1.0
|
||||
ENTRY_POINT = InitializeCapsuleOnDiskLoad
|
||||
|
||||
#
|
||||
# The following information is for reference only and not required by the build tools.
|
||||
#
|
||||
# VALID_ARCHITECTURES = IA32 X64 EBC
|
||||
#
|
||||
|
||||
[Sources]
|
||||
CapsuleOnDiskLoadPei.c
|
||||
|
||||
[Packages]
|
||||
MdePkg/MdePkg.dec
|
||||
MdeModulePkg/MdeModulePkg.dec
|
||||
|
||||
[LibraryClasses]
|
||||
PeimEntryPoint
|
||||
DebugLib
|
||||
HobLib
|
||||
BaseMemoryLib
|
||||
MemoryAllocationLib
|
||||
ReportStatusCodeLib
|
||||
|
||||
[Ppis]
|
||||
gEdkiiPeiCapsuleOnDiskPpiGuid ## PRODUCES
|
||||
gEfiPeiReadOnlyVariable2PpiGuid ## CONSUMES
|
||||
gEdkiiPeiBootInCapsuleOnDiskModePpiGuid ## SOMETIMES_CONSUMES
|
||||
gEfiPeiDeviceRecoveryModulePpiGuid ## CONSUMES
|
||||
gEfiPeiCapsulePpiGuid ## CONSUMES
|
||||
|
||||
[Guids]
|
||||
gEfiCapsuleVendorGuid ## SOMETIMES_CONSUMES ## Variable L"CodRelocationInfo"
|
||||
|
||||
[Pcd]
|
||||
gEfiMdeModulePkgTokenSpaceGuid.PcdCoDRelocationFileName ## CONSUMES
|
||||
gEfiMdeModulePkgTokenSpaceGuid.PcdCapsuleMax ## CONSUMES
|
||||
|
||||
[PcdEx]
|
||||
gEfiMdeModulePkgTokenSpaceGuid.PcdRecoveryFileName ## PRODUCES
|
||||
|
||||
[Depex]
|
||||
gEdkiiPeiBootInCapsuleOnDiskModePpiGuid
|
||||
|
||||
[UserExtensions.TianoCore."ExtraFiles"]
|
||||
CapsuleOnDiskLoadPeiExtra.uni
|
||||
|
|
@ -0,0 +1,15 @@
|
|||
// /** @file
|
||||
// Caspule On Disk Load module.
|
||||
//
|
||||
// Load Capsule On Disk and build CV hob.
|
||||
//
|
||||
// Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
|
||||
//
|
||||
// SPDX-License-Identifier: BSD-2-Clause-Patent
|
||||
//
|
||||
// **/
|
||||
|
||||
|
||||
#string STR_MODULE_ABSTRACT #language en-US "Caspule On Disk Load module."
|
||||
|
||||
#string STR_MODULE_DESCRIPTION #language en-US "Load Capsule On Disk and build CV hob."
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
// /** @file
|
||||
// CapsuleOnDiskLoadPei Localized Strings and Content
|
||||
//
|
||||
// Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
|
||||
//
|
||||
// SPDX-License-Identifier: BSD-2-Clause-Patent
|
||||
//
|
||||
// **/
|
||||
|
||||
#string STR_PROPERTIES_MODULE_NAME
|
||||
#language en-US
|
||||
"CapsuleOnDiskLoad PEI Driver"
|
||||
|
||||
|
||||
Loading…
Reference in New Issue