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Code scrub DxeIpl to add back the CONST modifier and solve a typecast warning.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5516 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8
2008-07-18 02:47:57 +00:00
parent f88f0fb67b
commit 9b937a73b0
6 changed files with 80 additions and 64 deletions
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96
MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
View File

@@ -25,32 +25,32 @@ BOOLEAN gInMemory = FALSE;
// Module Globals used in the DXE to PEI handoff
// These must be module globals, so the stack can be switched
//
EFI_DXE_IPL_PPI mDxeIplPpi = {
CONST EFI_DXE_IPL_PPI mDxeIplPpi = {
DxeLoadCore
};
EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomGuidedSectionExtractionPpi = {
CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomGuidedSectionExtractionPpi = {
CustomGuidedSectionExtract
};
EFI_PEI_DECOMPRESS_PPI mDecompressPpi = {
CONST EFI_PEI_DECOMPRESS_PPI mDecompressPpi = {
Decompress
};
EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {
CONST EFI_PEI_PPI_DESCRIPTOR mPpiList[] = {
{
EFI_PEI_PPI_DESCRIPTOR_PPI,
&gEfiDxeIplPpiGuid,
&mDxeIplPpi
(VOID *) &mDxeIplPpi
},
{
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiPeiDecompressPpiGuid,
&mDecompressPpi
(VOID *) &mDecompressPpi
}
};
EFI_PEI_PPI_DESCRIPTOR mPpiSignal = {
CONST EFI_PEI_PPI_DESCRIPTOR gEndOfPeiSignalPpi = {
(EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
&gEfiEndOfPeiSignalPpiGuid,
NULL
@@ -102,7 +102,7 @@ PeimInitializeDxeIpl (
ASSERT (GuidPpi != NULL);
while (ExtractHandlerNumber-- > 0) {
GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;
GuidPpi->Ppi = &mCustomGuidedSectionExtractionPpi;
GuidPpi->Ppi = (VOID *) &mCustomGuidedSectionExtractionPpi;
GuidPpi->Guid = &(ExtractHandlerGuidTable [ExtractHandlerNumber]);
Status = PeiServicesInstallPpi (GuidPpi++);
ASSERT_EFI_ERROR(Status);
@@ -203,11 +203,7 @@ DxeLoadCore (
//
// Look in all the FVs present in PEI and find the DXE Core
//
FileHandle = NULL;
Status = DxeIplFindDxeCore (&FileHandle);
ASSERT_EFI_ERROR (Status);
CopyGuid(&DxeCoreFileName, &(((EFI_FFS_FILE_HEADER*)FileHandle)->Name));
FileHandle = DxeIplFindDxeCore (&DxeCoreFileName);
//
// Load the DXE Core from a Firmware Volume, may use LoadFile ppi to do this for save code size.
@@ -244,7 +240,7 @@ DxeLoadCore (
// Transfer control to the DXE Core
// The handoff state is simply a pointer to the HOB list
//
HandOffToDxeCore (DxeCoreEntryPoint, HobList, &mPpiSignal);
HandOffToDxeCore (DxeCoreEntryPoint, HobList);
//
// If we get here, then the DXE Core returned. This is an error
// Dxe Core should not return.
@@ -256,41 +252,67 @@ DxeLoadCore (
}
/**
Find DxeCore driver from all First Volumes.
Searches DxeCore in all firmware Volumes and loads the first
instance that contains DxeCore.
@param FileHandle Pointer to FFS file to search.
@param DxeCoreFileName A Pointer to the EFI_GUID to contain
the output DxeCore GUID file name.
@return FileHandle of DxeCore to load DxeCore.
@return EFI_SUCESS Success to find the FFS in specificed FV
@return others Fail to find the FFS in specificed FV
**/
EFI_STATUS
EFI_PEI_FILE_HANDLE
DxeIplFindDxeCore (
OUT EFI_PEI_FILE_HANDLE *FileHandle
OUT EFI_GUID *DxeCoreFileName
)
{
EFI_STATUS Status;
EFI_STATUS FileStatus;
UINTN Instance;
EFI_PEI_FV_HANDLE VolumeHandle;
EFI_STATUS Status;
UINTN Instance;
EFI_PEI_FV_HANDLE VolumeHandle;
EFI_PEI_FILE_HANDLE FileHandle;
EFI_FV_FILE_INFO FvFileInfo;
Instance = 0;
*FileHandle = NULL;
do {
Status = PeiServicesFfsFindNextVolume (Instance++, &VolumeHandle);
while (TRUE) {
//
// Traverse all firmware volume instances
//
Status = PeiServicesFfsFindNextVolume (Instance, &VolumeHandle);
//
// If some error occurs here, then we cannot find any firmware
// volume that may contain DxeCore.
//
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);
if (!EFI_ERROR (Status)) {
FileStatus = PeiServicesFfsFindNextFile (EFI_FV_FILETYPE_DXE_CORE, VolumeHandle, FileHandle);
if (!EFI_ERROR (FileStatus)) {
return FileStatus;
}
//
// Find DxeCore FileHandle in this volume, then we skip other firmware volume.
//
break;
}
} while (!EFI_ERROR (Status));
//
// We cannot find DxeCore in this firmware volume, then search the next volume.
//
Instance++;
}
return EFI_NOT_FOUND;
//
// Extract the DxeCore GUID file name.
//
Status = PeiServicesFfsGetFileInfo (FileHandle, &FvFileInfo);
ASSERT_EFI_ERROR (Status);
CopyGuid (DxeCoreFileName, &FvFileInfo.FileName);
//
// Return the FileHandle to load DxeCore from this volume.
//
return FileHandle;
}