diff options
Diffstat (limited to 'MdeModulePkg/Core/DxeIplPeim/DxeLoad.c')
| -rw-r--r-- | MdeModulePkg/Core/DxeIplPeim/DxeLoad.c | 359 |
1 files changed, 181 insertions, 178 deletions
diff --git a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c index d48028cea0..2c19f1a507 100644 --- a/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c +++ b/MdeModulePkg/Core/DxeIplPeim/DxeLoad.c @@ -10,42 +10,41 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include "DxeIpl.h"
-
//
// Module Globals used in the DXE to PEI hand off
// These must be module globals, so the stack can be switched
//
-CONST EFI_DXE_IPL_PPI mDxeIplPpi = {
+CONST EFI_DXE_IPL_PPI mDxeIplPpi = {
DxeLoadCore
};
-CONST EFI_PEI_PPI_DESCRIPTOR mDxeIplPpiList = {
+CONST EFI_PEI_PPI_DESCRIPTOR mDxeIplPpiList = {
EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST,
&gEfiDxeIplPpiGuid,
- (VOID *) &mDxeIplPpi
+ (VOID *)&mDxeIplPpi
};
-CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomGuidedSectionExtractionPpi = {
+CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomGuidedSectionExtractionPpi = {
CustomGuidedSectionExtract
};
-CONST EFI_PEI_DECOMPRESS_PPI mDecompressPpi = {
+CONST EFI_PEI_DECOMPRESS_PPI mDecompressPpi = {
Decompress
};
-CONST EFI_PEI_PPI_DESCRIPTOR mDecompressPpiList = {
+CONST EFI_PEI_PPI_DESCRIPTOR mDecompressPpiList = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiDecompressPpiGuid,
- (VOID *) &mDecompressPpi
+ (VOID *)&mDecompressPpi
};
-CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi = {
+CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiEndOfPeiSignalPpiGuid,
NULL
};
-CONST EFI_PEI_NOTIFY_DESCRIPTOR mMemoryDiscoveredNotifyList = {
+CONST EFI_PEI_NOTIFY_DESCRIPTOR mMemoryDiscoveredNotifyList = {
(EFI_PEI_PPI_DESCRIPTOR_NOTIFY_DISPATCH | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiMemoryDiscoveredPpiGuid,
InstallIplPermanentMemoryPpis
@@ -71,9 +70,9 @@ PeimInitializeDxeIpl ( IN CONST EFI_PEI_SERVICES **PeiServices
)
{
- EFI_STATUS Status;
- EFI_BOOT_MODE BootMode;
- VOID *Dummy;
+ EFI_STATUS Status;
+ EFI_BOOT_MODE BootMode;
+ VOID *Dummy;
BootMode = GetBootModeHob ();
@@ -98,7 +97,7 @@ PeimInitializeDxeIpl ( &gEfiPeiMemoryDiscoveredPpiGuid,
0,
NULL,
- (VOID **) &Dummy
+ (VOID **)&Dummy
);
ASSERT_EFI_ERROR (Status);
if (EFI_ERROR (Status)) {
@@ -124,7 +123,7 @@ PeimInitializeDxeIpl ( // Install DxeIpl PPI.
//
Status = PeiServicesInstallPpi (&mDxeIplPpiList);
- ASSERT_EFI_ERROR(Status);
+ ASSERT_EFI_ERROR (Status);
return Status;
}
@@ -148,10 +147,10 @@ InstallIplPermanentMemoryPpis ( IN VOID *Ppi
)
{
- EFI_STATUS Status;
- EFI_GUID *ExtractHandlerGuidTable;
- UINTN ExtractHandlerNumber;
- EFI_PEI_PPI_DESCRIPTOR *GuidPpi;
+ EFI_STATUS Status;
+ EFI_GUID *ExtractHandlerGuidTable;
+ UINTN ExtractHandlerNumber;
+ EFI_PEI_PPI_DESCRIPTOR *GuidPpi;
//
// Get custom extract guided section method guid list
@@ -162,14 +161,14 @@ InstallIplPermanentMemoryPpis ( // Install custom guided section extraction PPI
//
if (ExtractHandlerNumber > 0) {
- GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *) AllocatePool (ExtractHandlerNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR));
+ GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *)AllocatePool (ExtractHandlerNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR));
ASSERT (GuidPpi != NULL);
while (ExtractHandlerNumber-- > 0) {
GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
- GuidPpi->Ppi = (VOID *) &mCustomGuidedSectionExtractionPpi;
+ GuidPpi->Ppi = (VOID *)&mCustomGuidedSectionExtractionPpi;
GuidPpi->Guid = &ExtractHandlerGuidTable[ExtractHandlerNumber];
- Status = PeiServicesInstallPpi (GuidPpi++);
- ASSERT_EFI_ERROR(Status);
+ Status = PeiServicesInstallPpi (GuidPpi++);
+ ASSERT_EFI_ERROR (Status);
}
}
@@ -177,7 +176,7 @@ InstallIplPermanentMemoryPpis ( // Install Decompress PPI.
//
Status = PeiServicesInstallPpi (&mDecompressPpiList);
- ASSERT_EFI_ERROR(Status);
+ ASSERT_EFI_ERROR (Status);
return Status;
}
@@ -194,12 +193,12 @@ InstallIplPermanentMemoryPpis ( **/
BOOLEAN
ValidateMemoryTypeInfoVariable (
- IN EFI_MEMORY_TYPE_INFORMATION *MemoryData,
- IN UINTN MemoryDataSize
+ IN EFI_MEMORY_TYPE_INFORMATION *MemoryData,
+ IN UINTN MemoryDataSize
)
{
- UINTN Count;
- UINTN Index;
+ UINTN Count;
+ UINTN Index;
// Check the input parameter.
if (MemoryData == NULL) {
@@ -210,7 +209,7 @@ ValidateMemoryTypeInfoVariable ( Count = MemoryDataSize / sizeof (*MemoryData);
// Check Size
- if (Count * sizeof(*MemoryData) != MemoryDataSize) {
+ if (Count * sizeof (*MemoryData) != MemoryDataSize) {
return FALSE;
}
@@ -246,28 +245,28 @@ ValidateMemoryTypeInfoVariable ( EFI_STATUS
EFIAPI
DxeLoadCore (
- IN CONST EFI_DXE_IPL_PPI *This,
- IN EFI_PEI_SERVICES **PeiServices,
- IN EFI_PEI_HOB_POINTERS HobList
+ IN CONST EFI_DXE_IPL_PPI *This,
+ IN EFI_PEI_SERVICES **PeiServices,
+ IN EFI_PEI_HOB_POINTERS HobList
)
{
- EFI_STATUS Status;
- EFI_FV_FILE_INFO DxeCoreFileInfo;
- EFI_PHYSICAL_ADDRESS DxeCoreAddress;
- UINT64 DxeCoreSize;
- EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;
- EFI_BOOT_MODE BootMode;
- EFI_PEI_FILE_HANDLE FileHandle;
- EFI_PEI_READ_ONLY_VARIABLE2_PPI *Variable;
- EFI_PEI_LOAD_FILE_PPI *LoadFile;
- UINTN Instance;
- UINT32 AuthenticationState;
- UINTN DataSize;
- EFI_PEI_S3_RESUME2_PPI *S3Resume;
- EFI_PEI_RECOVERY_MODULE_PPI *PeiRecovery;
- EDKII_PEI_CAPSULE_ON_DISK_PPI *PeiCapsuleOnDisk;
- EFI_MEMORY_TYPE_INFORMATION MemoryData[EfiMaxMemoryType + 1];
- VOID *CapsuleOnDiskModePpi;
+ EFI_STATUS Status;
+ EFI_FV_FILE_INFO DxeCoreFileInfo;
+ EFI_PHYSICAL_ADDRESS DxeCoreAddress;
+ UINT64 DxeCoreSize;
+ EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;
+ EFI_BOOT_MODE BootMode;
+ EFI_PEI_FILE_HANDLE FileHandle;
+ EFI_PEI_READ_ONLY_VARIABLE2_PPI *Variable;
+ EFI_PEI_LOAD_FILE_PPI *LoadFile;
+ UINTN Instance;
+ UINT32 AuthenticationState;
+ UINTN DataSize;
+ EFI_PEI_S3_RESUME2_PPI *S3Resume;
+ EFI_PEI_RECOVERY_MODULE_PPI *PeiRecovery;
+ EDKII_PEI_CAPSULE_ON_DISK_PPI *PeiCapsuleOnDisk;
+ EFI_MEMORY_TYPE_INFORMATION MemoryData[EfiMaxMemoryType + 1];
+ VOID *CapsuleOnDiskModePpi;
//
// if in S3 Resume, restore configure
@@ -279,7 +278,7 @@ DxeLoadCore ( &gEfiPeiS3Resume2PpiGuid,
0,
NULL,
- (VOID **) &S3Resume
+ (VOID **)&S3Resume
);
if (EFI_ERROR (Status)) {
//
@@ -290,6 +289,7 @@ DxeLoadCore ( (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_EC_S3_RESUME_PPI_NOT_FOUND)
);
}
+
ASSERT_EFI_ERROR (Status);
Status = S3Resume->S3RestoreConfig2 (S3Resume);
@@ -300,7 +300,7 @@ DxeLoadCore ( &gEfiPeiRecoveryModulePpiGuid,
0,
NULL,
- (VOID **) &PeiRecovery
+ (VOID **)&PeiRecovery
);
if (EFI_ERROR (Status)) {
@@ -328,6 +328,7 @@ DxeLoadCore ( );
CpuDeadLoop ();
}
+
REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_PC_CAPSULE_START));
//
// Now should have a HOB with the DXE core
@@ -343,12 +344,12 @@ DxeLoadCore ( NULL,
&CapsuleOnDiskModePpi
);
- if (!EFI_ERROR(Status)) {
+ if (!EFI_ERROR (Status)) {
Status = PeiServicesLocatePpi (
&gEdkiiPeiCapsuleOnDiskPpiGuid,
0,
NULL,
- (VOID **) &PeiCapsuleOnDisk
+ (VOID **)&PeiCapsuleOnDisk
);
//
@@ -372,15 +373,15 @@ DxeLoadCore ( );
if (!EFI_ERROR (Status)) {
DataSize = sizeof (MemoryData);
- Status = Variable->GetVariable (
- Variable,
- EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
- &gEfiMemoryTypeInformationGuid,
- NULL,
- &DataSize,
- &MemoryData
- );
- if (!EFI_ERROR (Status) && ValidateMemoryTypeInfoVariable(MemoryData, DataSize)) {
+ Status = Variable->GetVariable (
+ Variable,
+ EFI_MEMORY_TYPE_INFORMATION_VARIABLE_NAME,
+ &gEfiMemoryTypeInformationGuid,
+ NULL,
+ &DataSize,
+ &MemoryData
+ );
+ if (!EFI_ERROR (Status) && ValidateMemoryTypeInfoVariable (MemoryData, DataSize)) {
//
// Build the GUID'd HOB for DXE
//
@@ -403,7 +404,7 @@ DxeLoadCore ( //
Instance = 0;
do {
- Status = PeiServicesLocatePpi (&gEfiPeiLoadFilePpiGuid, Instance++, NULL, (VOID **) &LoadFile);
+ Status = PeiServicesLocatePpi (&gEfiPeiLoadFilePpiGuid, Instance++, NULL, (VOID **)&LoadFile);
//
// These must exist an instance of EFI_PEI_LOAD_FILE_PPI to support to load DxeCore file handle successfully.
//
@@ -457,7 +458,6 @@ DxeLoadCore ( return EFI_OUT_OF_RESOURCES;
}
-
/**
Searches DxeCore in all firmware Volumes and loads the first
instance that contains DxeCore.
@@ -470,12 +470,12 @@ DxeIplFindDxeCore ( VOID
)
{
- EFI_STATUS Status;
- UINTN Instance;
- EFI_PEI_FV_HANDLE VolumeHandle;
- EFI_PEI_FILE_HANDLE FileHandle;
+ EFI_STATUS Status;
+ UINTN Instance;
+ EFI_PEI_FV_HANDLE VolumeHandle;
+ EFI_PEI_FILE_HANDLE FileHandle;
- Instance = 0;
+ Instance = 0;
while (TRUE) {
//
// Traverse all firmware volume instances
@@ -488,13 +488,14 @@ DxeIplFindDxeCore ( if (EFI_ERROR (Status)) {
REPORT_STATUS_CODE (EFI_PROGRESS_CODE, (EFI_SOFTWARE_PEI_MODULE | EFI_SW_PEI_CORE_EC_DXE_CORRUPT));
}
+
ASSERT_EFI_ERROR (Status);
//
// Find the DxeCore file type from the beginning in this firmware volume.
//
FileHandle = NULL;
- Status = PeiServicesFfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, &FileHandle);
+ Status = PeiServicesFfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, &FileHandle);
if (!EFI_ERROR (Status)) {
//
// Find DxeCore FileHandle in this volume, then we skip other firmware volume and
@@ -502,6 +503,7 @@ DxeIplFindDxeCore ( //
return FileHandle;
}
+
//
// We cannot find DxeCore in this firmware volume, then search the next volume.
//
@@ -509,8 +511,6 @@ DxeIplFindDxeCore ( }
}
-
-
/**
The ExtractSection() function processes the input section and
returns a pointer to the section contents. If the section being
@@ -568,18 +568,18 @@ DxeIplFindDxeCore ( EFI_STATUS
EFIAPI
CustomGuidedSectionExtract (
- IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,
- IN CONST VOID *InputSection,
- OUT VOID **OutputBuffer,
- OUT UINTN *OutputSize,
- OUT UINT32 *AuthenticationStatus
-)
+ IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,
+ IN CONST VOID *InputSection,
+ OUT VOID **OutputBuffer,
+ OUT UINTN *OutputSize,
+ OUT UINT32 *AuthenticationStatus
+ )
{
- EFI_STATUS Status;
- UINT8 *ScratchBuffer;
- UINT32 ScratchBufferSize;
- UINT32 OutputBufferSize;
- UINT16 SectionAttribute;
+ EFI_STATUS Status;
+ UINT8 *ScratchBuffer;
+ UINT32 ScratchBufferSize;
+ UINT32 OutputBufferSize;
+ UINT16 SectionAttribute;
//
// Init local variable
@@ -611,7 +611,7 @@ CustomGuidedSectionExtract ( }
}
- if (((SectionAttribute & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) != 0) && OutputBufferSize > 0) {
+ if (((SectionAttribute & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) != 0) && (OutputBufferSize > 0)) {
//
// Allocate output buffer
//
@@ -619,6 +619,7 @@ CustomGuidedSectionExtract ( if (*OutputBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
+
DEBUG ((DEBUG_INFO, "Customized Guided section Memory Size required is 0x%x and address is 0x%p\n", OutputBufferSize, *OutputBuffer));
}
@@ -636,13 +637,11 @@ CustomGuidedSectionExtract ( return Status;
}
- *OutputSize = (UINTN) OutputBufferSize;
+ *OutputSize = (UINTN)OutputBufferSize;
return EFI_SUCCESS;
}
-
-
/**
Decompresses a section to the output buffer.
@@ -666,21 +665,21 @@ CustomGuidedSectionExtract ( EFI_STATUS
EFIAPI
Decompress (
- IN CONST EFI_PEI_DECOMPRESS_PPI *This,
- IN CONST EFI_COMPRESSION_SECTION *CompressionSection,
- OUT VOID **OutputBuffer,
- OUT UINTN *OutputSize
- )
+ IN CONST EFI_PEI_DECOMPRESS_PPI *This,
+ IN CONST EFI_COMPRESSION_SECTION *CompressionSection,
+ OUT VOID **OutputBuffer,
+ OUT UINTN *OutputSize
+ )
{
- EFI_STATUS Status;
- UINT8 *DstBuffer;
- UINT8 *ScratchBuffer;
- UINT32 DstBufferSize;
- UINT32 ScratchBufferSize;
- VOID *CompressionSource;
- UINT32 CompressionSourceSize;
- UINT32 UncompressedLength;
- UINT8 CompressionType;
+ EFI_STATUS Status;
+ UINT8 *DstBuffer;
+ UINT8 *ScratchBuffer;
+ UINT32 DstBufferSize;
+ UINT32 ScratchBufferSize;
+ VOID *CompressionSource;
+ UINT32 CompressionSourceSize;
+ UINT32 UncompressedLength;
+ UINT8 CompressionType;
if (CompressionSection->CommonHeader.Type != EFI_SECTION_COMPRESSION) {
ASSERT (FALSE);
@@ -688,109 +687,113 @@ Decompress ( }
if (IS_SECTION2 (CompressionSection)) {
- CompressionSource = (VOID *) ((UINT8 *) CompressionSection + sizeof (EFI_COMPRESSION_SECTION2));
- CompressionSourceSize = (UINT32) (SECTION2_SIZE (CompressionSection) - sizeof (EFI_COMPRESSION_SECTION2));
- UncompressedLength = ((EFI_COMPRESSION_SECTION2 *) CompressionSection)->UncompressedLength;
- CompressionType = ((EFI_COMPRESSION_SECTION2 *) CompressionSection)->CompressionType;
+ CompressionSource = (VOID *)((UINT8 *)CompressionSection + sizeof (EFI_COMPRESSION_SECTION2));
+ CompressionSourceSize = (UINT32)(SECTION2_SIZE (CompressionSection) - sizeof (EFI_COMPRESSION_SECTION2));
+ UncompressedLength = ((EFI_COMPRESSION_SECTION2 *)CompressionSection)->UncompressedLength;
+ CompressionType = ((EFI_COMPRESSION_SECTION2 *)CompressionSection)->CompressionType;
} else {
- CompressionSource = (VOID *) ((UINT8 *) CompressionSection + sizeof (EFI_COMPRESSION_SECTION));
- CompressionSourceSize = (UINT32) (SECTION_SIZE (CompressionSection) - sizeof (EFI_COMPRESSION_SECTION));
- UncompressedLength = CompressionSection->UncompressedLength;
- CompressionType = CompressionSection->CompressionType;
+ CompressionSource = (VOID *)((UINT8 *)CompressionSection + sizeof (EFI_COMPRESSION_SECTION));
+ CompressionSourceSize = (UINT32)(SECTION_SIZE (CompressionSection) - sizeof (EFI_COMPRESSION_SECTION));
+ UncompressedLength = CompressionSection->UncompressedLength;
+ CompressionType = CompressionSection->CompressionType;
}
//
// This is a compression set, expand it
//
switch (CompressionType) {
- case EFI_STANDARD_COMPRESSION:
- if (FeaturePcdGet(PcdDxeIplSupportUefiDecompress)) {
- //
- // Load EFI standard compression.
- // For compressed data, decompress them to destination buffer.
- //
- Status = UefiDecompressGetInfo (
- CompressionSource,
- CompressionSourceSize,
- &DstBufferSize,
- &ScratchBufferSize
- );
- if (EFI_ERROR (Status)) {
+ case EFI_STANDARD_COMPRESSION:
+ if (FeaturePcdGet (PcdDxeIplSupportUefiDecompress)) {
+ //
+ // Load EFI standard compression.
+ // For compressed data, decompress them to destination buffer.
+ //
+ Status = UefiDecompressGetInfo (
+ CompressionSource,
+ CompressionSourceSize,
+ &DstBufferSize,
+ &ScratchBufferSize
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // GetInfo failed
+ //
+ DEBUG ((DEBUG_ERROR, "Decompress GetInfo Failed - %r\n", Status));
+ return EFI_NOT_FOUND;
+ }
+
+ //
+ // Allocate scratch buffer
+ //
+ ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));
+ if (ScratchBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
+ //
+ // Allocate destination buffer
+ //
+ DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));
+ if (DstBuffer == NULL) {
+ return EFI_OUT_OF_RESOURCES;
+ }
+
//
- // GetInfo failed
+ // Call decompress function
//
- DEBUG ((DEBUG_ERROR, "Decompress GetInfo Failed - %r\n", Status));
+ Status = UefiDecompress (
+ CompressionSource,
+ DstBuffer,
+ ScratchBuffer
+ );
+ if (EFI_ERROR (Status)) {
+ //
+ // Decompress failed
+ //
+ DEBUG ((DEBUG_ERROR, "Decompress Failed - %r\n", Status));
+ return EFI_NOT_FOUND;
+ }
+
+ break;
+ } else {
+ //
+ // PcdDxeIplSupportUefiDecompress is FALSE
+ // Don't support UEFI decompression algorithm.
+ //
+ ASSERT (FALSE);
return EFI_NOT_FOUND;
}
- //
- // Allocate scratch buffer
- //
- ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));
- if (ScratchBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
+
+ case EFI_NOT_COMPRESSED:
//
// Allocate destination buffer
//
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));
+ DstBufferSize = UncompressedLength;
+ DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));
if (DstBuffer == NULL) {
return EFI_OUT_OF_RESOURCES;
}
+
//
- // Call decompress function
+ // stream is not actually compressed, just encapsulated. So just copy it.
//
- Status = UefiDecompress (
- CompressionSource,
- DstBuffer,
- ScratchBuffer
- );
- if (EFI_ERROR (Status)) {
- //
- // Decompress failed
- //
- DEBUG ((DEBUG_ERROR, "Decompress Failed - %r\n", Status));
- return EFI_NOT_FOUND;
- }
+ CopyMem (DstBuffer, CompressionSource, DstBufferSize);
break;
- } else {
+
+ default:
//
- // PcdDxeIplSupportUefiDecompress is FALSE
- // Don't support UEFI decompression algorithm.
+ // Don't support other unknown compression type.
//
ASSERT (FALSE);
return EFI_NOT_FOUND;
- }
-
- case EFI_NOT_COMPRESSED:
- //
- // Allocate destination buffer
- //
- DstBufferSize = UncompressedLength;
- DstBuffer = AllocatePages (EFI_SIZE_TO_PAGES (DstBufferSize));
- if (DstBuffer == NULL) {
- return EFI_OUT_OF_RESOURCES;
- }
- //
- // stream is not actually compressed, just encapsulated. So just copy it.
- //
- CopyMem (DstBuffer, CompressionSource, DstBufferSize);
- break;
-
- default:
- //
- // Don't support other unknown compression type.
- //
- ASSERT (FALSE);
- return EFI_NOT_FOUND;
}
- *OutputSize = DstBufferSize;
+ *OutputSize = DstBufferSize;
*OutputBuffer = DstBuffer;
return EFI_SUCCESS;
}
-
/**
Updates the Stack HOB passed to DXE phase.
@@ -803,11 +806,11 @@ Decompress ( **/
VOID
UpdateStackHob (
- IN EFI_PHYSICAL_ADDRESS BaseAddress,
- IN UINT64 Length
+ IN EFI_PHYSICAL_ADDRESS BaseAddress,
+ IN UINT64 Length
)
{
- EFI_PEI_HOB_POINTERS Hob;
+ EFI_PEI_HOB_POINTERS Hob;
Hob.Raw = GetHobList ();
while ((Hob.Raw = GetNextHob (EFI_HOB_TYPE_MEMORY_ALLOCATION, Hob.Raw)) != NULL) {
@@ -826,10 +829,10 @@ UpdateStackHob ( // Update the BSP Stack Hob to reflect the new stack info.
//
Hob.MemoryAllocationStack->AllocDescriptor.MemoryBaseAddress = BaseAddress;
- Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength = Length;
+ Hob.MemoryAllocationStack->AllocDescriptor.MemoryLength = Length;
break;
}
+
Hob.Raw = GET_NEXT_HOB (Hob);
}
}
-
|