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Simplify the code to use the EFI_FV_FILE_INFO structure of DxeCore to save the extra GUID copy. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5525 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
qhuang8 2008-07-19 01:38:40 +00:00
parent 555a6f4536
commit b6b98e9133
2 changed files with 25 additions and 29 deletions
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7
MdeModulePkg/Core/DxeIplPeim/DxeIpl.h
View File

@ -91,16 +91,15 @@ PeiLoadFile (
/**
Searches DxeCore in all firmware Volumes and loads the first instance that contains DxeCore.
@param DxeCoreFileName A Pointer to the EFI_GUID to contain the output DxeCore GUID file name.
Searches DxeCore in all firmware Volumes and loads the first
instance that contains DxeCore.
@return FileHandle of DxeCore to load DxeCore.
**/
EFI_PEI_FILE_HANDLE
DxeIplFindDxeCore (
OUT EFI_GUID *DxeCoreFileName
VOID
);

37
MdeModulePkg/Core/DxeIplPeim/DxeLoad.c
View File

@ -142,7 +142,7 @@ DxeLoadCore (
)
{
EFI_STATUS Status;
EFI_GUID DxeCoreFileName;
EFI_FV_FILE_INFO DxeCoreFileInfo;
EFI_PHYSICAL_ADDRESS DxeCoreAddress;
UINT64 DxeCoreSize;
EFI_PHYSICAL_ADDRESS DxeCoreEntryPoint;
@ -201,9 +201,9 @@ DxeLoadCore (
}
//
// Look in all the FVs present in PEI and find the DXE Core
// Look in all the FVs present in PEI and find the DXE Core FileHandle
//
FileHandle = DxeIplFindDxeCore (&DxeCoreFileName);
FileHandle = DxeIplFindDxeCore ();
//
// Load the DXE Core from a Firmware Volume, may use LoadFile ppi to do this for save code size.
@ -216,11 +216,17 @@ DxeLoadCore (
);
ASSERT_EFI_ERROR (Status);
//
// Get the DxeCore File Info from the FileHandle for the DxeCore GUID file name.
//
Status = PeiServicesFfsGetFileInfo (FileHandle, &DxeCoreFileInfo);
ASSERT_EFI_ERROR (Status);
//
// Add HOB for the DXE Core
//
BuildModuleHob (
&DxeCoreFileName,
&DxeCoreFileInfo.FileName,
DxeCoreAddress,
EFI_SIZE_TO_PAGES ((UINTN) DxeCoreSize) * EFI_PAGE_SIZE,
DxeCoreEntryPoint
@ -256,22 +262,18 @@ DxeLoadCore (
Searches DxeCore in all firmware Volumes and loads the first
instance that contains DxeCore.
@param DxeCoreFileName A Pointer to the EFI_GUID to contain
the output DxeCore GUID file name.
@return FileHandle of DxeCore to load DxeCore.
**/
EFI_PEI_FILE_HANDLE
DxeIplFindDxeCore (
OUT EFI_GUID *DxeCoreFileName
VOID
)
{
EFI_STATUS Status;
UINTN Instance;
EFI_PEI_FV_HANDLE VolumeHandle;
EFI_PEI_FILE_HANDLE FileHandle;
EFI_FV_FILE_INFO FvFileInfo;
Instance = 0;
while (TRUE) {
@ -292,9 +294,10 @@ DxeIplFindDxeCore (
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.
// Find DxeCore FileHandle in this volume, then we skip other firmware volume and
// return the FileHandle.
//
break;
return FileHandle;
}
//
// We cannot find DxeCore in this firmware volume, then search the next volume.
@ -303,16 +306,10 @@ DxeIplFindDxeCore (
}
//
// Extract the DxeCore GUID file name.
// We should never reach here.
//
Status = PeiServicesFfsGetFileInfo (FileHandle, &FvFileInfo);
ASSERT_EFI_ERROR (Status);
CopyGuid (DxeCoreFileName, &FvFileInfo.FileName);
//
// Return the FileHandle to load DxeCore from this volume.
//
return FileHandle;
ASSERT (FALSE);
return NULL;
}