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Remove the implementation limitation in the SmmBaseHelper driver that it assumes the Framework SMM driver to be loaded has a copy in memory. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10258 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
rsun3 2010-03-17 02:06:04 +00:00
parent 49fd8a3553
commit 673c149801
4 changed files with 69 additions and 127 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
EdkCompatibilityPkg/Compatibility/Include/Guid/SmmBaseThunkCommunication.h
View File

@ -74,9 +74,10 @@ typedef enum {
} SMMBASE_FUNCTION;
typedef struct {
SMMBASE_FUNCTION Function;
EFI_STATUS Status;
SMMBASE_FUNCTION_ARGS Args;
SMMBASE_FUNCTION Function;
EFI_STATUS Status;
SMMBASE_FUNCTION_ARGS Args;
EFI_HANDLE SmmBaseImageHandle;
} SMMBASE_FUNCTION_DATA;
#pragma pack(1)

177
EdkCompatibilityPkg/Compatibility/SmmBaseHelper/SmmBaseHelper.c
View File

@ -31,6 +31,7 @@
#include <Protocol/LoadedImage.h>
#include <Protocol/SmmCpuSaveState.h>
#include <Protocol/MpService.h>
#include <Protocol/LoadPe32Image.h>
///
/// Structure for tracking paired information of registered Framework SMI handler
@ -59,6 +60,7 @@ typedef struct {
EFI_HANDLE mDispatchHandle;
EFI_SMM_CPU_PROTOCOL *mSmmCpu;
EFI_PE32_IMAGE_PROTOCOL *mLoadPe32Image;
EFI_GUID mEfiSmmCpuIoGuid = EFI_SMM_CPU_IO_GUID;
EFI_SMM_BASE_HELPER_READY_PROTOCOL *mSmmBaseHelperReady;
EFI_SMM_SYSTEM_TABLE *mFrameworkSmst;
@ -174,6 +176,7 @@ ConstructFrameworkSmst (
/**
Load a given Framework SMM driver into SMRAM and invoke its entry point.
@param[in] ParentImageHandle Parent Image Handle.
@param[in] FilePath Location of the image to be installed as the handler.
@param[in] SourceBuffer Optional source buffer in case the image file
is in memory.
@ -189,149 +192,72 @@ ConstructFrameworkSmst (
**/
EFI_STATUS
LoadImage (
IN EFI_HANDLE ParentImageHandle,
IN EFI_DEVICE_PATH_PROTOCOL *FilePath,
IN VOID *SourceBuffer,
IN UINTN SourceSize,
OUT EFI_HANDLE *ImageHandle
)
{
EFI_STATUS Status;
UINTN PageCount;
EFI_PHYSICAL_ADDRESS Buffer;
PE_COFF_LOADER_IMAGE_CONTEXT ImageContext;
EFI_HANDLE PesudoImageHandle;
UINTN NumHandles;
UINTN Index;
EFI_HANDLE *HandleBuffer;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
EFI_DEVICE_PATH *LoadedImageDevicePath;
UINTN DevicePathSize;
EFI_STATUS Status;
UINTN PageCount;
UINTN OrgPageCount;
EFI_PHYSICAL_ADDRESS DstBuffer;
if (FilePath == NULL || ImageHandle == NULL) {
return EFI_INVALID_PARAMETER;
}
///
/// Assume Framework SMM driver has an image copy in memory before registering itself into SMRAM.
/// Currently only supports load Framework SMM driver from existing image copy in memory.
/// Load PE32 Image Protocol can be used to support loading Framework SMM driver directly from FV.
///
if (SourceBuffer == NULL) {
Status = gBS->LocateHandleBuffer (
ByProtocol,
&gEfiLoadedImageDevicePathProtocolGuid,
NULL,
&NumHandles,
&HandleBuffer
);
PageCount = 1;
do {
OrgPageCount = PageCount;
DstBuffer = (UINTN)-1;
Status = gSmst->SmmAllocatePages (
AllocateMaxAddress,
EfiRuntimeServicesCode,
PageCount,
&DstBuffer
);
if (EFI_ERROR (Status)) {
return EFI_UNSUPPORTED;
return Status;
}
DevicePathSize = GetDevicePathSize (FilePath);
for (Index = 0; Index < NumHandles; Index++) {
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiLoadedImageDevicePathProtocolGuid,
(VOID **)&LoadedImageDevicePath
);
ASSERT_EFI_ERROR (Status);
if (GetDevicePathSize (LoadedImageDevicePath) == DevicePathSize &&
CompareMem (LoadedImageDevicePath, FilePath, DevicePathSize) == 0) {
break;
}
Status = mLoadPe32Image->LoadPeImage (
mLoadPe32Image,
ParentImageHandle,
FilePath,
SourceBuffer,
SourceSize,
DstBuffer,
&PageCount,
ImageHandle,
NULL,
EFI_LOAD_PE_IMAGE_ATTRIBUTE_NONE
);
if (EFI_ERROR (Status)) {
FreePages ((VOID *)(UINTN)DstBuffer, OrgPageCount);
}
} while (Status == EFI_BUFFER_TOO_SMALL);
if (Index < NumHandles) {
Status = gBS->HandleProtocol (
HandleBuffer[Index],
&gEfiLoadedImageProtocolGuid,
(VOID **)&LoadedImage
);
ASSERT_EFI_ERROR (Status);
SourceBuffer = LoadedImage->ImageBase;
gBS->FreePool (HandleBuffer);
} else {
gBS->FreePool (HandleBuffer);
return EFI_UNSUPPORTED;
}
}
ImageContext.Handle = SourceBuffer;
ImageContext.ImageRead = PeCoffLoaderImageReadFromMemory;
///
/// Get information about the image being loaded
///
Status = PeCoffLoaderGetImageInfo (&ImageContext);
if (EFI_ERROR (Status)) {
return Status;
}
///
/// Allocate buffer for loading image into SMRAM
///
PageCount = (UINTN)EFI_SIZE_TO_PAGES (ImageContext.ImageSize + ImageContext.SectionAlignment);
Status = gSmst->SmmAllocatePages (AllocateAnyPages, EfiRuntimeServicesCode, PageCount, &Buffer);
if (EFI_ERROR (Status)) {
return Status;
}
ImageContext.ImageAddress = (PHYSICAL_ADDRESS)Buffer;
///
/// Align buffer on section boundry
///
ImageContext.ImageAddress += ImageContext.SectionAlignment - 1;
ImageContext.ImageAddress &= ~(ImageContext.SectionAlignment - 1);
///
/// Load the image into SMRAM
///
Status = PeCoffLoaderLoadImage (&ImageContext);
if (EFI_ERROR (Status)) {
goto Error;
}
///
/// Relocate the image in our new buffer
///
Status = PeCoffLoaderRelocateImage (&ImageContext);
if (EFI_ERROR (Status)) {
goto Error;
}
///
/// Flush the instruction cache so the image data are written before we execute it
///
InvalidateInstructionCacheRange ((VOID *)(UINTN) ImageContext.ImageAddress, (UINTN) ImageContext.ImageSize);
///
/// Update MP state in Framework SMST before transferring control to Framework SMM driver entry point
/// in case it may invoke AP
///
mFrameworkSmst->CurrentlyExecutingCpu = gSmst->CurrentlyExecutingCpu;
///
/// For Framework SMM, ImageHandle does not have to be a UEFI image handle. The only requirement is that the
/// ImageHandle is a unique value. Use image base address as the unique value.
///
PesudoImageHandle = (EFI_HANDLE)(UINTN)ImageContext.ImageAddress;
Status = ((EFI_IMAGE_ENTRY_POINT)(UINTN)ImageContext.EntryPoint) (PesudoImageHandle, gST);
if (!EFI_ERROR (Status)) {
*ImageHandle = PesudoImageHandle;
return EFI_SUCCESS;
///
/// Update MP state in Framework SMST before transferring control to Framework SMM driver entry point
/// in case it may invoke AP
///
mFrameworkSmst->CurrentlyExecutingCpu = gSmst->CurrentlyExecutingCpu;
Status = gBS->StartImage (*ImageHandle, NULL, NULL);
if (EFI_ERROR (Status)) {
mLoadPe32Image->UnLoadPeImage (mLoadPe32Image, *ImageHandle);
*ImageHandle = NULL;
FreePages ((VOID *)(UINTN)DstBuffer, PageCount);
}
}
Error:
FreePages ((VOID *)(UINTN)Buffer, PageCount);
return EFI_SUCCESS;
return Status;
}
/**
Thunk service of EFI_SMM_BASE_PROTOCOL.Register().
@ -348,6 +274,7 @@ Register (
Status = EFI_UNSUPPORTED;
} else {
Status = LoadImage (
FunctionData->SmmBaseImageHandle,
FunctionData->Args.Register.FilePath,
FunctionData->Args.Register.SourceBuffer,
FunctionData->Args.Register.SourceSize,
@ -735,6 +662,12 @@ SmmBaseHelperMain (
Status = gSmst->SmmLocateProtocol (&gEfiSmmCpuProtocolGuid, NULL, (VOID **) &mSmmCpu);
ASSERT_EFI_ERROR (Status);
///
/// Locate PE32 Image Protocol which is used later to load Framework SMM driver
///
Status = SystemTable->BootServices->LocateProtocol (&gEfiLoadPeImageProtocolGuid, NULL, (VOID **) &mLoadPe32Image);
ASSERT_EFI_ERROR (Status);
//
// Get MP Services Protocol
//

9
EdkCompatibilityPkg/Compatibility/SmmBaseHelper/SmmBaseHelper.inf
View File

@ -33,6 +33,7 @@
[Packages]
MdePkg/MdePkg.dec
MdeModulePkg/MdeModulePkg.dec
IntelFrameworkPkg/IntelFrameworkPkg.dec
EdkCompatibilityPkg/EdkCompatibilityPkg.dec
@ -57,6 +58,10 @@
gEfiSmmCpuSaveStateProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiMpServiceProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiSmmCpuIo2ProtocolGuid # PROTOCOL ALWAYS_CONSUMED
gEfiLoadPeImageProtocolGuid # PROTOCOL ALWAYS_CONSUMED
[Depex]
gEfiSmmCpuProtocolGuid AND gEfiMpServiceProtocolGuid AND gEfiSmmCpuIo2ProtocolGuid
gEfiSmmCpuProtocolGuid AND
gEfiMpServiceProtocolGuid AND
gEfiSmmCpuIo2ProtocolGuid AND
gEfiLoadPeImageProtocolGuid

3
EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c
View File

@ -75,6 +75,7 @@ SmmBaseHelperService (
UINTN DataSize;
mCommunicationData.FunctionData.Status = EFI_UNSUPPORTED;
mCommunicationData.FunctionData.SmmBaseImageHandle = mSmmBaseHandle;
if ((mCommunicationData.FunctionData.Function != SmmBaseFunctionCommunicate) && IsInSmm()) {
///
@ -421,6 +422,8 @@ SmmBaseThunkMain (
EFI_STATUS Status;
EFI_EVENT Event;
mSmmBaseHandle = ImageHandle;
//
// Assume only one instance of SMM Base2 Protocol in the system
// Locate SMM Base2 Protocol