mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-11 14:28:08 +01:00
1368 lines
45 KiB
C
1368 lines
45 KiB
C
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/** @file
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SMI handler profile support.
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Copyright (c) 2017, 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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#include <PiSmm.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/MemoryAllocationLib.h>
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#include <Library/UefiBootServicesTableLib.h>
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#include <Library/SmmServicesTableLib.h>
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#include <Library/DebugLib.h>
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#include <Library/PrintLib.h>
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#include <Library/UefiLib.h>
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#include <Library/DevicePathLib.h>
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#include <Library/PeCoffGetEntryPointLib.h>
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#include <Protocol/LoadedImage.h>
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#include <Protocol/SmmAccess2.h>
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#include <Protocol/SmmReadyToLock.h>
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#include <Protocol/SmmEndOfDxe.h>
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#include <Guid/SmiHandlerProfile.h>
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#include "PiSmmCore.h"
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#define GET_OCCUPIED_SIZE(ActualSize, Alignment) \
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((ActualSize) + (((Alignment) - ((ActualSize) & ((Alignment) - 1))) & ((Alignment) - 1)))
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typedef struct {
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EFI_GUID FileGuid;
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PHYSICAL_ADDRESS EntryPoint;
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PHYSICAL_ADDRESS ImageBase;
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UINT64 ImageSize;
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UINT32 ImageRef;
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UINT16 PdbStringSize;
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CHAR8 *PdbString;
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} IMAGE_STRUCT;
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/**
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Register SMI handler profile handler.
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**/
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VOID
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RegisterSmiHandlerProfileHandler(
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VOID
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);
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/**
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Retrieves and returns a pointer to the entry point to a PE/COFF image that has been loaded
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into system memory with the PE/COFF Loader Library functions.
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Retrieves the entry point to the PE/COFF image specified by Pe32Data and returns this entry
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point in EntryPoint. If the entry point could not be retrieved from the PE/COFF image, then
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return RETURN_INVALID_PARAMETER. Otherwise return RETURN_SUCCESS.
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If Pe32Data is NULL, then ASSERT().
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If EntryPoint is NULL, then ASSERT().
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@param Pe32Data The pointer to the PE/COFF image that is loaded in system memory.
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@param EntryPoint The pointer to entry point to the PE/COFF image to return.
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@retval RETURN_SUCCESS EntryPoint was returned.
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@retval RETURN_INVALID_PARAMETER The entry point could not be found in the PE/COFF image.
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**/
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RETURN_STATUS
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InternalPeCoffGetEntryPoint (
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IN VOID *Pe32Data,
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OUT VOID **EntryPoint
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);
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extern LIST_ENTRY mSmiEntryList;
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extern LIST_ENTRY mHardwareSmiEntryList;
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extern SMI_ENTRY mRootSmiEntry;
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extern SMI_HANDLER_PROFILE_PROTOCOL mSmiHandlerProfile;
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GLOBAL_REMOVE_IF_UNREFERENCED LIST_ENTRY mHardwareSmiEntryList = INITIALIZE_LIST_HEAD_VARIABLE (mHardwareSmiEntryList);
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GLOBAL_REMOVE_IF_UNREFERENCED LIST_ENTRY mRootSmiEntryList = INITIALIZE_LIST_HEAD_VARIABLE (mRootSmiEntryList);
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GLOBAL_REMOVE_IF_UNREFERENCED LIST_ENTRY *mSmmCoreRootSmiEntryList = &mRootSmiEntryList;
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GLOBAL_REMOVE_IF_UNREFERENCED LIST_ENTRY *mSmmCoreSmiEntryList = &mSmiEntryList;
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GLOBAL_REMOVE_IF_UNREFERENCED LIST_ENTRY *mSmmCoreHardwareSmiEntryList = &mHardwareSmiEntryList;
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GLOBAL_REMOVE_IF_UNREFERENCED IMAGE_STRUCT *mImageStruct;
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GLOBAL_REMOVE_IF_UNREFERENCED UINT32 mImageStructCountMax;
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GLOBAL_REMOVE_IF_UNREFERENCED UINT32 mImageStructCount;
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GLOBAL_REMOVE_IF_UNREFERENCED VOID *mSmiHandlerProfileDatabase;
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GLOBAL_REMOVE_IF_UNREFERENCED UINTN mSmiHandlerProfileDatabaseSize;
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GLOBAL_REMOVE_IF_UNREFERENCED UINTN mSmmImageDatabaseSize;
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GLOBAL_REMOVE_IF_UNREFERENCED UINTN mSmmRootSmiDatabaseSize;
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GLOBAL_REMOVE_IF_UNREFERENCED UINTN mSmmSmiDatabaseSize;
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GLOBAL_REMOVE_IF_UNREFERENCED UINTN mSmmHardwareSmiDatabaseSize;
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GLOBAL_REMOVE_IF_UNREFERENCED BOOLEAN mSmiHandlerProfileRecordingStatus;
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GLOBAL_REMOVE_IF_UNREFERENCED SMI_HANDLER_PROFILE_PROTOCOL mSmiHandlerProfile = {
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SmiHandlerProfileRegisterHandler,
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SmiHandlerProfileUnregisterHandler,
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};
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/**
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This function dump raw data.
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@param Data raw data
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@param Size raw data size
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**/
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VOID
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InternalDumpData (
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IN UINT8 *Data,
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IN UINTN Size
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)
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{
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UINTN Index;
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for (Index = 0; Index < Size; Index++) {
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DEBUG ((DEBUG_INFO, "%02x ", (UINTN)Data[Index]));
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}
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}
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/**
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Get GUID name for an image.
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@param[in] LoadedImage LoadedImage protocol.
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@param[out] Guid Guid of the FFS
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**/
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VOID
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GetDriverGuid (
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IN EFI_LOADED_IMAGE_PROTOCOL *LoadedImage,
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OUT EFI_GUID *Guid
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)
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{
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EFI_GUID *FileName;
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FileName = NULL;
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if ((DevicePathType(LoadedImage->FilePath) == MEDIA_DEVICE_PATH) &&
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(DevicePathSubType(LoadedImage->FilePath) == MEDIA_PIWG_FW_FILE_DP)) {
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FileName = &((MEDIA_FW_VOL_FILEPATH_DEVICE_PATH *)LoadedImage->FilePath)->FvFileName;
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}
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if (FileName != NULL) {
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CopyGuid(Guid, FileName);
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} else {
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ZeroMem(Guid, sizeof(EFI_GUID));
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}
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}
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/**
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Add image structure.
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@param ImageBase image base
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@param ImageSize image size
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@param EntryPoint image entry point
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@param Guid FFS GUID of the image
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@param PdbString image PDB string
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**/
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VOID
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AddImageStruct(
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IN PHYSICAL_ADDRESS ImageBase,
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IN UINT64 ImageSize,
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IN PHYSICAL_ADDRESS EntryPoint,
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IN EFI_GUID *Guid,
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IN CHAR8 *PdbString
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)
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{
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UINTN PdbStringSize;
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if (mImageStructCount >= mImageStructCountMax) {
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ASSERT(FALSE);
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return;
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}
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CopyGuid(&mImageStruct[mImageStructCount].FileGuid, Guid);
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mImageStruct[mImageStructCount].ImageRef = mImageStructCount;
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mImageStruct[mImageStructCount].ImageBase = ImageBase;
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mImageStruct[mImageStructCount].ImageSize = ImageSize;
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mImageStruct[mImageStructCount].EntryPoint = EntryPoint;
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if (PdbString != NULL) {
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PdbStringSize = AsciiStrSize(PdbString);
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mImageStruct[mImageStructCount].PdbString = AllocateCopyPool (PdbStringSize, PdbString);
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if (mImageStruct[mImageStructCount].PdbString != NULL) {
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mImageStruct[mImageStructCount].PdbStringSize = (UINT16) PdbStringSize;
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}
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}
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mImageStructCount++;
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}
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/**
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return an image structure based upon image address.
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@param Address image address
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@return image structure
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**/
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IMAGE_STRUCT *
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AddressToImageStruct(
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IN UINTN Address
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)
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{
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UINTN Index;
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for (Index = 0; Index < mImageStructCount; Index++) {
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if ((Address >= mImageStruct[Index].ImageBase) &&
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(Address < mImageStruct[Index].ImageBase + mImageStruct[Index].ImageSize)) {
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return &mImageStruct[Index];
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}
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}
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return NULL;
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}
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/**
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return an image reference index based upon image address.
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@param Address image address
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@return image reference index
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**/
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UINT32
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AddressToImageRef(
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IN UINTN Address
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)
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{
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IMAGE_STRUCT *ImageStruct;
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ImageStruct = AddressToImageStruct(Address);
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if (ImageStruct != NULL) {
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return ImageStruct->ImageRef;
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}
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return (UINT32)-1;
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}
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/**
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Collect SMM image information based upon loaded image protocol.
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**/
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VOID
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GetSmmLoadedImage(
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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 NoHandles;
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UINTN HandleBufferSize;
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EFI_HANDLE *HandleBuffer;
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UINTN Index;
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EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
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CHAR16 *PathStr;
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EFI_SMM_DRIVER_ENTRY *LoadedImagePrivate;
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PHYSICAL_ADDRESS EntryPoint;
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VOID *EntryPointInImage;
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EFI_GUID Guid;
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CHAR8 *PdbString;
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PHYSICAL_ADDRESS RealImageBase;
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HandleBufferSize = 0;
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HandleBuffer = NULL;
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Status = gSmst->SmmLocateHandle(
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ByProtocol,
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&gEfiLoadedImageProtocolGuid,
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NULL,
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&HandleBufferSize,
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HandleBuffer
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);
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if (Status != EFI_BUFFER_TOO_SMALL) {
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return;
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}
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HandleBuffer = AllocateZeroPool (HandleBufferSize);
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if (HandleBuffer == NULL) {
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return;
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}
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Status = gSmst->SmmLocateHandle(
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ByProtocol,
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&gEfiLoadedImageProtocolGuid,
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NULL,
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&HandleBufferSize,
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HandleBuffer
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);
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if (EFI_ERROR(Status)) {
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return;
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}
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NoHandles = HandleBufferSize/sizeof(EFI_HANDLE);
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mImageStructCountMax = (UINT32) NoHandles;
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mImageStruct = AllocateZeroPool(mImageStructCountMax * sizeof(IMAGE_STRUCT));
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if (mImageStruct == NULL) {
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goto Done;
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}
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for (Index = 0; Index < NoHandles; Index++) {
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Status = gSmst->SmmHandleProtocol(
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HandleBuffer[Index],
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&gEfiLoadedImageProtocolGuid,
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(VOID **)&LoadedImage
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);
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if (EFI_ERROR(Status)) {
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continue;
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}
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PathStr = ConvertDevicePathToText(LoadedImage->FilePath, TRUE, TRUE);
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GetDriverGuid(LoadedImage, &Guid);
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DEBUG ((DEBUG_INFO, "Image: %g ", &Guid));
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EntryPoint = 0;
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LoadedImagePrivate = BASE_CR(LoadedImage, EFI_SMM_DRIVER_ENTRY, SmmLoadedImage);
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RealImageBase = (UINTN)LoadedImage->ImageBase;
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if (LoadedImagePrivate->Signature == EFI_SMM_DRIVER_ENTRY_SIGNATURE) {
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EntryPoint = LoadedImagePrivate->ImageEntryPoint;
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if ((EntryPoint != 0) && ((EntryPoint < (UINTN)LoadedImage->ImageBase) || (EntryPoint >= ((UINTN)LoadedImage->ImageBase + LoadedImage->ImageSize)))) {
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//
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// If the EntryPoint is not in the range of image buffer, it should come from emulation environment.
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// So patch ImageBuffer here to align the EntryPoint.
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//
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Status = InternalPeCoffGetEntryPoint(LoadedImage->ImageBase, &EntryPointInImage);
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ASSERT_EFI_ERROR(Status);
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RealImageBase = (UINTN)LoadedImage->ImageBase + EntryPoint - (UINTN)EntryPointInImage;
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}
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}
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DEBUG ((DEBUG_INFO, "(0x%lx - 0x%lx", RealImageBase, LoadedImage->ImageSize));
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if (EntryPoint != 0) {
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DEBUG ((DEBUG_INFO, ", EntryPoint:0x%lx", EntryPoint));
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}
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DEBUG ((DEBUG_INFO, ")\n"));
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if (RealImageBase != 0) {
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PdbString = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) RealImageBase);
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DEBUG ((DEBUG_INFO, " pdb - %a\n", PdbString));
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} else {
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PdbString = NULL;
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}
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DEBUG ((DEBUG_INFO, " (%s)\n", PathStr));
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AddImageStruct(RealImageBase, LoadedImage->ImageSize, EntryPoint, &Guid, PdbString);
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}
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Done:
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FreePool(HandleBuffer);
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return;
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}
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/**
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Dump SMI child context.
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@param HandlerType the handler type
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@param Context the handler context
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@param ContextSize the handler context size
|
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**/
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VOID
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DumpSmiChildContext (
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IN EFI_GUID *HandlerType,
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IN VOID *Context,
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IN UINTN ContextSize
|
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|
)
|
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{
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CHAR16 *Str;
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|
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if (CompareGuid (HandlerType, &gEfiSmmSwDispatch2ProtocolGuid)) {
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DEBUG ((DEBUG_INFO, " SwSmi - 0x%lx\n", ((SMI_HANDLER_PROFILE_SW_REGISTER_CONTEXT *)Context)->SwSmiInputValue));
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} else if (CompareGuid (HandlerType, &gEfiSmmSxDispatch2ProtocolGuid)) {
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DEBUG ((DEBUG_INFO, " SxType - 0x%x\n", ((EFI_SMM_SX_REGISTER_CONTEXT *)Context)->Type));
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DEBUG ((DEBUG_INFO, " SxPhase - 0x%x\n", ((EFI_SMM_SX_REGISTER_CONTEXT *)Context)->Phase));
|
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} else if (CompareGuid (HandlerType, &gEfiSmmPowerButtonDispatch2ProtocolGuid)) {
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DEBUG ((DEBUG_INFO, " PowerButtonPhase - 0x%x\n", ((EFI_SMM_POWER_BUTTON_REGISTER_CONTEXT *)Context)->Phase));
|
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} else if (CompareGuid (HandlerType, &gEfiSmmStandbyButtonDispatch2ProtocolGuid)) {
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DEBUG ((DEBUG_INFO, " StandbyButtonPhase - 0x%x\n", ((EFI_SMM_STANDBY_BUTTON_REGISTER_CONTEXT *)Context)->Phase));
|
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|
} else if (CompareGuid (HandlerType, &gEfiSmmPeriodicTimerDispatch2ProtocolGuid)) {
|
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DEBUG ((DEBUG_INFO, " PeriodicTimerPeriod - %ld\n", ((EFI_SMM_PERIODIC_TIMER_REGISTER_CONTEXT *)Context)->Period));
|
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DEBUG ((DEBUG_INFO, " PeriodicTimerSmiTickInterval - %ld\n", ((EFI_SMM_PERIODIC_TIMER_REGISTER_CONTEXT *)Context)->SmiTickInterval));
|
||
|
} else if (CompareGuid (HandlerType, &gEfiSmmGpiDispatch2ProtocolGuid)) {
|
||
|
DEBUG ((DEBUG_INFO, " GpiNum - 0x%lx\n", ((EFI_SMM_GPI_REGISTER_CONTEXT *)Context)->GpiNum));
|
||
|
} else if (CompareGuid (HandlerType, &gEfiSmmIoTrapDispatch2ProtocolGuid)) {
|
||
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DEBUG ((DEBUG_INFO, " IoTrapAddress - 0x%x\n", ((EFI_SMM_IO_TRAP_REGISTER_CONTEXT *)Context)->Address));
|
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|
DEBUG ((DEBUG_INFO, " IoTrapLength - 0x%x\n", ((EFI_SMM_IO_TRAP_REGISTER_CONTEXT *)Context)->Length));
|
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DEBUG ((DEBUG_INFO, " IoTrapType - 0x%x\n", ((EFI_SMM_IO_TRAP_REGISTER_CONTEXT *)Context)->Type));
|
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|
} else if (CompareGuid (HandlerType, &gEfiSmmUsbDispatch2ProtocolGuid)) {
|
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|
DEBUG ((DEBUG_INFO, " UsbType - 0x%x\n", ((SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT *)Context)->Type));
|
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|
Str = ConvertDevicePathToText((EFI_DEVICE_PATH_PROTOCOL *)(((SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT *)Context) + 1), TRUE, TRUE);
|
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|
DEBUG ((DEBUG_INFO, " UsbDevicePath - %s\n", Str));
|
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|
if (Str != NULL) {
|
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|
FreePool (Str);
|
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|
}
|
||
|
} else {
|
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|
DEBUG ((DEBUG_INFO, " Context - "));
|
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|
InternalDumpData (Context, ContextSize);
|
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|
DEBUG ((DEBUG_INFO, "\n"));
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Dump all SMI handlers associated with SmiEntry.
|
||
|
|
||
|
@param SmiEntry SMI entry.
|
||
|
**/
|
||
|
VOID
|
||
|
DumpSmiHandlerOnSmiEntry(
|
||
|
IN SMI_ENTRY *SmiEntry
|
||
|
)
|
||
|
{
|
||
|
LIST_ENTRY *ListEntry;
|
||
|
SMI_HANDLER *SmiHandler;
|
||
|
IMAGE_STRUCT *ImageStruct;
|
||
|
|
||
|
ListEntry = &SmiEntry->SmiHandlers;
|
||
|
for (ListEntry = ListEntry->ForwardLink;
|
||
|
ListEntry != &SmiEntry->SmiHandlers;
|
||
|
ListEntry = ListEntry->ForwardLink) {
|
||
|
SmiHandler = CR(ListEntry, SMI_HANDLER, Link, SMI_HANDLER_SIGNATURE);
|
||
|
ImageStruct = AddressToImageStruct((UINTN)SmiHandler->Handler);
|
||
|
if (ImageStruct != NULL) {
|
||
|
DEBUG ((DEBUG_INFO, " Module - %g", &ImageStruct->FileGuid));
|
||
|
}
|
||
|
if ((ImageStruct != NULL) && (ImageStruct->PdbString[0] != 0)) {
|
||
|
DEBUG ((DEBUG_INFO, " (Pdb - %a)", ImageStruct->PdbString));
|
||
|
}
|
||
|
DEBUG ((DEBUG_INFO, "\n"));
|
||
|
if (SmiHandler->ContextSize != 0) {
|
||
|
DumpSmiChildContext (&SmiEntry->HandlerType, SmiHandler->Context, SmiHandler->ContextSize);
|
||
|
}
|
||
|
DEBUG ((DEBUG_INFO, " Handler - 0x%x", SmiHandler->Handler));
|
||
|
if (ImageStruct != NULL) {
|
||
|
DEBUG ((DEBUG_INFO, " <== RVA - 0x%x", (UINTN)SmiHandler->Handler - (UINTN) ImageStruct->ImageBase));
|
||
|
}
|
||
|
DEBUG ((DEBUG_INFO, "\n"));
|
||
|
DEBUG ((DEBUG_INFO, " CallerAddr - 0x%x", SmiHandler->CallerAddr));
|
||
|
if (ImageStruct != NULL) {
|
||
|
DEBUG ((DEBUG_INFO, " <== RVA - 0x%x", SmiHandler->CallerAddr - (UINTN) ImageStruct->ImageBase));
|
||
|
}
|
||
|
DEBUG ((DEBUG_INFO, "\n"));
|
||
|
}
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Dump all SMI entry on the list.
|
||
|
|
||
|
@param SmiEntryList a list of SMI entry.
|
||
|
**/
|
||
|
VOID
|
||
|
DumpSmiEntryList(
|
||
|
IN LIST_ENTRY *SmiEntryList
|
||
|
)
|
||
|
{
|
||
|
LIST_ENTRY *ListEntry;
|
||
|
SMI_ENTRY *SmiEntry;
|
||
|
|
||
|
ListEntry = SmiEntryList;
|
||
|
for (ListEntry = ListEntry->ForwardLink;
|
||
|
ListEntry != SmiEntryList;
|
||
|
ListEntry = ListEntry->ForwardLink) {
|
||
|
SmiEntry = CR(ListEntry, SMI_ENTRY, AllEntries, SMI_ENTRY_SIGNATURE);
|
||
|
DEBUG ((DEBUG_INFO, "SmiEntry - %g\n", &SmiEntry->HandlerType));
|
||
|
DumpSmiHandlerOnSmiEntry(SmiEntry);
|
||
|
}
|
||
|
|
||
|
return;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
SMM Ready To Lock event notification handler.
|
||
|
|
||
|
This function collects all SMM image information and build SmiHandleProfile database,
|
||
|
and register SmiHandlerProfile SMI handler.
|
||
|
|
||
|
@param[in] Protocol Points to the protocol's unique identifier.
|
||
|
@param[in] Interface Points to the interface instance.
|
||
|
@param[in] Handle The handle on which the interface was installed.
|
||
|
|
||
|
@retval EFI_SUCCESS Notification handler runs successfully.
|
||
|
**/
|
||
|
EFI_STATUS
|
||
|
EFIAPI
|
||
|
SmmReadyToLockInSmiHandlerProfile (
|
||
|
IN CONST EFI_GUID *Protocol,
|
||
|
IN VOID *Interface,
|
||
|
IN EFI_HANDLE Handle
|
||
|
)
|
||
|
{
|
||
|
//
|
||
|
// Dump all image
|
||
|
//
|
||
|
DEBUG ((DEBUG_INFO, "##################\n"));
|
||
|
DEBUG ((DEBUG_INFO, "# IMAGE DATABASE #\n"));
|
||
|
DEBUG ((DEBUG_INFO, "##################\n"));
|
||
|
GetSmmLoadedImage ();
|
||
|
DEBUG ((DEBUG_INFO, "\n"));
|
||
|
|
||
|
//
|
||
|
// Dump SMI Handler
|
||
|
//
|
||
|
DEBUG ((DEBUG_INFO, "########################\n"));
|
||
|
DEBUG ((DEBUG_INFO, "# SMI Handler DATABASE #\n"));
|
||
|
DEBUG ((DEBUG_INFO, "########################\n"));
|
||
|
|
||
|
DEBUG ((DEBUG_INFO, "# 1. ROOT SMI Handler #\n"));
|
||
|
DEBUG_CODE (
|
||
|
DumpSmiEntryList(mSmmCoreRootSmiEntryList);
|
||
|
);
|
||
|
|
||
|
DEBUG ((DEBUG_INFO, "# 2. GUID SMI Handler #\n"));
|
||
|
DEBUG_CODE (
|
||
|
DumpSmiEntryList(mSmmCoreSmiEntryList);
|
||
|
);
|
||
|
|
||
|
DEBUG ((DEBUG_INFO, "# 3. Hardware SMI Handler #\n"));
|
||
|
DEBUG_CODE (
|
||
|
DumpSmiEntryList(mSmmCoreHardwareSmiEntryList);
|
||
|
);
|
||
|
|
||
|
DEBUG ((DEBUG_INFO, "\n"));
|
||
|
|
||
|
RegisterSmiHandlerProfileHandler();
|
||
|
|
||
|
if (mImageStruct != NULL) {
|
||
|
FreePool(mImageStruct);
|
||
|
}
|
||
|
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
returns SMM image data base size.
|
||
|
|
||
|
@return SMM image data base size.
|
||
|
**/
|
||
|
UINTN
|
||
|
GetSmmImageDatabaseSize(
|
||
|
VOID
|
||
|
)
|
||
|
{
|
||
|
UINTN Size;
|
||
|
UINT32 Index;
|
||
|
|
||
|
Size = 0;
|
||
|
for (Index = 0; Index < mImageStructCount; Index++) {
|
||
|
Size += sizeof(SMM_CORE_IMAGE_DATABASE_STRUCTURE) + GET_OCCUPIED_SIZE (mImageStruct[Index].PdbStringSize, sizeof (UINT64));
|
||
|
}
|
||
|
return Size;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
returns all SMI handlers' size associated with SmiEntry.
|
||
|
|
||
|
@param SmiEntry SMI entry.
|
||
|
|
||
|
@return all SMI handlers' size associated with SmiEntry.
|
||
|
**/
|
||
|
UINTN
|
||
|
GetSmmSmiHandlerSizeOnSmiEntry(
|
||
|
IN SMI_ENTRY *SmiEntry
|
||
|
)
|
||
|
{
|
||
|
LIST_ENTRY *ListEntry;
|
||
|
SMI_HANDLER *SmiHandler;
|
||
|
UINTN Size;
|
||
|
|
||
|
Size = 0;
|
||
|
ListEntry = &SmiEntry->SmiHandlers;
|
||
|
for (ListEntry = ListEntry->ForwardLink;
|
||
|
ListEntry != &SmiEntry->SmiHandlers;
|
||
|
ListEntry = ListEntry->ForwardLink) {
|
||
|
SmiHandler = CR(ListEntry, SMI_HANDLER, Link, SMI_HANDLER_SIGNATURE);
|
||
|
Size += sizeof(SMM_CORE_SMI_HANDLER_STRUCTURE) + GET_OCCUPIED_SIZE (SmiHandler->ContextSize, sizeof (UINT64));
|
||
|
}
|
||
|
|
||
|
return Size;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
return all SMI handler database size on the SMI entry list.
|
||
|
|
||
|
@param SmiEntryList a list of SMI entry.
|
||
|
|
||
|
@return all SMI handler database size on the SMI entry list.
|
||
|
**/
|
||
|
UINTN
|
||
|
GetSmmSmiDatabaseSize(
|
||
|
IN LIST_ENTRY *SmiEntryList
|
||
|
)
|
||
|
{
|
||
|
LIST_ENTRY *ListEntry;
|
||
|
SMI_ENTRY *SmiEntry;
|
||
|
UINTN Size;
|
||
|
|
||
|
Size = 0;
|
||
|
ListEntry = SmiEntryList;
|
||
|
for (ListEntry = ListEntry->ForwardLink;
|
||
|
ListEntry != SmiEntryList;
|
||
|
ListEntry = ListEntry->ForwardLink) {
|
||
|
SmiEntry = CR(ListEntry, SMI_ENTRY, AllEntries, SMI_ENTRY_SIGNATURE);
|
||
|
Size += sizeof(SMM_CORE_SMI_DATABASE_STRUCTURE);
|
||
|
Size += GetSmmSmiHandlerSizeOnSmiEntry(SmiEntry);
|
||
|
}
|
||
|
return Size;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
return SMI handler profile database size.
|
||
|
|
||
|
@return SMI handler profile database size.
|
||
|
**/
|
||
|
UINTN
|
||
|
GetSmiHandlerProfileDatabaseSize (
|
||
|
VOID
|
||
|
)
|
||
|
{
|
||
|
mSmmImageDatabaseSize = GetSmmImageDatabaseSize();
|
||
|
mSmmRootSmiDatabaseSize = GetSmmSmiDatabaseSize(mSmmCoreRootSmiEntryList);
|
||
|
mSmmSmiDatabaseSize = GetSmmSmiDatabaseSize(mSmmCoreSmiEntryList);
|
||
|
mSmmHardwareSmiDatabaseSize = GetSmmSmiDatabaseSize(mSmmCoreHardwareSmiEntryList);
|
||
|
|
||
|
return mSmmImageDatabaseSize + mSmmSmiDatabaseSize + mSmmRootSmiDatabaseSize + mSmmHardwareSmiDatabaseSize;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
get SMM image database.
|
||
|
|
||
|
@param Data The buffer to hold SMM image database
|
||
|
@param ExpectedSize The expected size of the SMM image database
|
||
|
|
||
|
@return SMM image data base size.
|
||
|
**/
|
||
|
UINTN
|
||
|
GetSmmImageDatabaseData (
|
||
|
IN OUT VOID *Data,
|
||
|
IN UINTN ExpectedSize
|
||
|
)
|
||
|
{
|
||
|
SMM_CORE_IMAGE_DATABASE_STRUCTURE *ImageStruct;
|
||
|
UINTN Size;
|
||
|
UINTN Index;
|
||
|
|
||
|
ImageStruct = Data;
|
||
|
Size = 0;
|
||
|
for (Index = 0; Index < mImageStructCount; Index++) {
|
||
|
if (Size >= ExpectedSize) {
|
||
|
return 0;
|
||
|
}
|
||
|
if (sizeof(SMM_CORE_IMAGE_DATABASE_STRUCTURE) + GET_OCCUPIED_SIZE (mImageStruct[Index].PdbStringSize, sizeof (UINT64)) > ExpectedSize - Size) {
|
||
|
return 0;
|
||
|
}
|
||
|
ImageStruct->Header.Signature = SMM_CORE_IMAGE_DATABASE_SIGNATURE;
|
||
|
ImageStruct->Header.Length = (UINT32)(sizeof(SMM_CORE_IMAGE_DATABASE_STRUCTURE) + GET_OCCUPIED_SIZE (mImageStruct[Index].PdbStringSize, sizeof (UINT64)));
|
||
|
ImageStruct->Header.Revision = SMM_CORE_IMAGE_DATABASE_REVISION;
|
||
|
CopyGuid(&ImageStruct->FileGuid, &mImageStruct[Index].FileGuid);
|
||
|
ImageStruct->ImageRef = mImageStruct[Index].ImageRef;
|
||
|
ImageStruct->EntryPoint = mImageStruct[Index].EntryPoint;
|
||
|
ImageStruct->ImageBase = mImageStruct[Index].ImageBase;
|
||
|
ImageStruct->ImageSize = mImageStruct[Index].ImageSize;
|
||
|
if (mImageStruct[Index].PdbStringSize != 0) {
|
||
|
ImageStruct->PdbStringOffset = sizeof(SMM_CORE_IMAGE_DATABASE_STRUCTURE);
|
||
|
CopyMem ((VOID *)((UINTN)ImageStruct + ImageStruct->PdbStringOffset), mImageStruct[Index].PdbString, mImageStruct[Index].PdbStringSize);
|
||
|
} else {
|
||
|
ImageStruct->PdbStringOffset = 0;
|
||
|
}
|
||
|
ImageStruct = (SMM_CORE_IMAGE_DATABASE_STRUCTURE *)((UINTN)ImageStruct + ImageStruct->Header.Length);
|
||
|
Size += sizeof(SMM_CORE_IMAGE_DATABASE_STRUCTURE) + GET_OCCUPIED_SIZE (mImageStruct[Index].PdbStringSize, sizeof (UINT64));
|
||
|
}
|
||
|
|
||
|
if (ExpectedSize != Size) {
|
||
|
return 0;
|
||
|
}
|
||
|
return Size;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
get all SMI handler data associated with SmiEntry.
|
||
|
|
||
|
@param SmiEntry SMI entry.
|
||
|
@param Data The buffer to hold all SMI handler data
|
||
|
@param MaxSize The max size of the SMM image database
|
||
|
@param Count The count of the SMI handler.
|
||
|
|
||
|
@return SMM image data base size.
|
||
|
**/
|
||
|
UINTN
|
||
|
GetSmmSmiHandlerDataOnSmiEntry(
|
||
|
IN SMI_ENTRY *SmiEntry,
|
||
|
IN OUT VOID *Data,
|
||
|
IN UINTN MaxSize,
|
||
|
OUT UINT32 *Count
|
||
|
)
|
||
|
{
|
||
|
SMM_CORE_SMI_HANDLER_STRUCTURE *SmiHandlerStruct;
|
||
|
LIST_ENTRY *ListEntry;
|
||
|
SMI_HANDLER *SmiHandler;
|
||
|
UINTN Size;
|
||
|
|
||
|
SmiHandlerStruct = Data;
|
||
|
Size = 0;
|
||
|
*Count = 0;
|
||
|
ListEntry = &SmiEntry->SmiHandlers;
|
||
|
for (ListEntry = ListEntry->ForwardLink;
|
||
|
ListEntry != &SmiEntry->SmiHandlers;
|
||
|
ListEntry = ListEntry->ForwardLink) {
|
||
|
SmiHandler = CR(ListEntry, SMI_HANDLER, Link, SMI_HANDLER_SIGNATURE);
|
||
|
if (Size >= MaxSize) {
|
||
|
*Count = 0;
|
||
|
return 0;
|
||
|
}
|
||
|
if (sizeof(SMM_CORE_SMI_HANDLER_STRUCTURE) + GET_OCCUPIED_SIZE (SmiHandler->ContextSize, sizeof (UINT64)) > MaxSize - Size) {
|
||
|
*Count = 0;
|
||
|
return 0;
|
||
|
}
|
||
|
SmiHandlerStruct->Length = (UINT32)(sizeof(SMM_CORE_SMI_HANDLER_STRUCTURE) + GET_OCCUPIED_SIZE (SmiHandler->ContextSize, sizeof (UINT64)));
|
||
|
SmiHandlerStruct->CallerAddr = (UINTN)SmiHandler->CallerAddr;
|
||
|
SmiHandlerStruct->Handler = (UINTN)SmiHandler->Handler;
|
||
|
SmiHandlerStruct->ImageRef = AddressToImageRef((UINTN)SmiHandler->Handler);
|
||
|
SmiHandlerStruct->ContextBufferSize = (UINT32)SmiHandler->ContextSize;
|
||
|
if (SmiHandler->ContextSize != 0) {
|
||
|
SmiHandlerStruct->ContextBufferOffset = sizeof(SMM_CORE_SMI_HANDLER_STRUCTURE);
|
||
|
CopyMem ((UINT8 *)SmiHandlerStruct + SmiHandlerStruct->ContextBufferOffset, SmiHandler->Context, SmiHandler->ContextSize);
|
||
|
} else {
|
||
|
SmiHandlerStruct->ContextBufferOffset = 0;
|
||
|
}
|
||
|
Size += sizeof(SMM_CORE_SMI_HANDLER_STRUCTURE) + GET_OCCUPIED_SIZE (SmiHandler->ContextSize, sizeof (UINT64));
|
||
|
SmiHandlerStruct = (SMM_CORE_SMI_HANDLER_STRUCTURE *)((UINTN)SmiHandlerStruct + SmiHandlerStruct->Length);
|
||
|
*Count = *Count + 1;
|
||
|
}
|
||
|
|
||
|
return Size;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
get all SMI handler database on the SMI entry list.
|
||
|
|
||
|
@param SmiEntryList a list of SMI entry.
|
||
|
@param HandlerCategory The handler category
|
||
|
@param Data The buffer to hold all SMI handler database
|
||
|
@param ExpectedSize The expected size of the SMM image database
|
||
|
|
||
|
@return all SMI database size on the SMI entry list.
|
||
|
**/
|
||
|
UINTN
|
||
|
GetSmmSmiDatabaseData(
|
||
|
IN LIST_ENTRY *SmiEntryList,
|
||
|
IN UINT32 HandlerCategory,
|
||
|
IN OUT VOID *Data,
|
||
|
IN UINTN ExpectedSize
|
||
|
)
|
||
|
{
|
||
|
SMM_CORE_SMI_DATABASE_STRUCTURE *SmiStruct;
|
||
|
LIST_ENTRY *ListEntry;
|
||
|
SMI_ENTRY *SmiEntry;
|
||
|
UINTN Size;
|
||
|
UINTN SmiHandlerSize;
|
||
|
UINT32 SmiHandlerCount;
|
||
|
|
||
|
SmiStruct = Data;
|
||
|
Size = 0;
|
||
|
ListEntry = SmiEntryList;
|
||
|
for (ListEntry = ListEntry->ForwardLink;
|
||
|
ListEntry != SmiEntryList;
|
||
|
ListEntry = ListEntry->ForwardLink) {
|
||
|
SmiEntry = CR(ListEntry, SMI_ENTRY, AllEntries, SMI_ENTRY_SIGNATURE);
|
||
|
if (Size >= ExpectedSize) {
|
||
|
return 0;
|
||
|
}
|
||
|
if (sizeof(SMM_CORE_SMI_DATABASE_STRUCTURE) > ExpectedSize - Size) {
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
SmiStruct->Header.Signature = SMM_CORE_SMI_DATABASE_SIGNATURE;
|
||
|
SmiStruct->Header.Length = sizeof(SMM_CORE_SMI_DATABASE_STRUCTURE);
|
||
|
SmiStruct->Header.Revision = SMM_CORE_SMI_DATABASE_REVISION;
|
||
|
SmiStruct->HandlerCategory = HandlerCategory;
|
||
|
CopyGuid(&SmiStruct->HandlerType, &SmiEntry->HandlerType);
|
||
|
Size += sizeof(SMM_CORE_SMI_DATABASE_STRUCTURE);
|
||
|
SmiHandlerSize = GetSmmSmiHandlerDataOnSmiEntry(SmiEntry, (UINT8 *)SmiStruct + SmiStruct->Header.Length, ExpectedSize - Size, &SmiHandlerCount);
|
||
|
SmiStruct->HandlerCount = SmiHandlerCount;
|
||
|
Size += SmiHandlerSize;
|
||
|
SmiStruct->Header.Length += (UINT32)SmiHandlerSize;
|
||
|
SmiStruct = (VOID *)((UINTN)SmiStruct + SmiStruct->Header.Length);
|
||
|
}
|
||
|
if (ExpectedSize != Size) {
|
||
|
return 0;
|
||
|
}
|
||
|
return Size;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Get SMI handler profile database.
|
||
|
|
||
|
@param Data the buffer to hold SMI handler profile database
|
||
|
|
||
|
@retval EFI_SUCCESS the database is got.
|
||
|
@retval EFI_INVALID_PARAMETER the database size mismatch.
|
||
|
**/
|
||
|
EFI_STATUS
|
||
|
GetSmiHandlerProfileDatabaseData(
|
||
|
IN OUT VOID *Data
|
||
|
)
|
||
|
{
|
||
|
UINTN SmmImageDatabaseSize;
|
||
|
UINTN SmmSmiDatabaseSize;
|
||
|
UINTN SmmRootSmiDatabaseSize;
|
||
|
UINTN SmmHardwareSmiDatabaseSize;
|
||
|
|
||
|
DEBUG((DEBUG_VERBOSE, "GetSmiHandlerProfileDatabaseData\n"));
|
||
|
SmmImageDatabaseSize = GetSmmImageDatabaseData(Data, mSmmImageDatabaseSize);
|
||
|
if (SmmImageDatabaseSize != mSmmImageDatabaseSize) {
|
||
|
DEBUG((DEBUG_ERROR, "GetSmiHandlerProfileDatabaseData - SmmImageDatabaseSize mismatch!\n"));
|
||
|
return EFI_INVALID_PARAMETER;
|
||
|
}
|
||
|
SmmRootSmiDatabaseSize = GetSmmSmiDatabaseData(mSmmCoreRootSmiEntryList, SmmCoreSmiHandlerCategoryRootHandler, (UINT8 *)Data + SmmImageDatabaseSize, mSmmRootSmiDatabaseSize);
|
||
|
if (SmmRootSmiDatabaseSize != mSmmRootSmiDatabaseSize) {
|
||
|
DEBUG((DEBUG_ERROR, "GetSmiHandlerProfileDatabaseData - SmmRootSmiDatabaseSize mismatch!\n"));
|
||
|
return EFI_INVALID_PARAMETER;
|
||
|
}
|
||
|
SmmSmiDatabaseSize = GetSmmSmiDatabaseData(mSmmCoreSmiEntryList, SmmCoreSmiHandlerCategoryGuidHandler, (UINT8 *)Data + SmmImageDatabaseSize + mSmmRootSmiDatabaseSize, mSmmSmiDatabaseSize);
|
||
|
if (SmmSmiDatabaseSize != mSmmSmiDatabaseSize) {
|
||
|
DEBUG((DEBUG_ERROR, "GetSmiHandlerProfileDatabaseData - SmmSmiDatabaseSize mismatch!\n"));
|
||
|
return EFI_INVALID_PARAMETER;
|
||
|
}
|
||
|
SmmHardwareSmiDatabaseSize = GetSmmSmiDatabaseData(mSmmCoreHardwareSmiEntryList, SmmCoreSmiHandlerCategoryHardwareHandler, (UINT8 *)Data + SmmImageDatabaseSize + SmmRootSmiDatabaseSize + SmmSmiDatabaseSize, mSmmHardwareSmiDatabaseSize);
|
||
|
if (SmmHardwareSmiDatabaseSize != mSmmHardwareSmiDatabaseSize) {
|
||
|
DEBUG((DEBUG_ERROR, "GetSmiHandlerProfileDatabaseData - SmmHardwareSmiDatabaseSize mismatch!\n"));
|
||
|
return EFI_INVALID_PARAMETER;
|
||
|
}
|
||
|
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
build SMI handler profile database.
|
||
|
**/
|
||
|
VOID
|
||
|
BuildSmiHandlerProfileDatabase(
|
||
|
VOID
|
||
|
)
|
||
|
{
|
||
|
EFI_STATUS Status;
|
||
|
mSmiHandlerProfileDatabaseSize = GetSmiHandlerProfileDatabaseSize();
|
||
|
mSmiHandlerProfileDatabase = AllocatePool(mSmiHandlerProfileDatabaseSize);
|
||
|
if (mSmiHandlerProfileDatabase == NULL) {
|
||
|
return;
|
||
|
}
|
||
|
Status = GetSmiHandlerProfileDatabaseData(mSmiHandlerProfileDatabase);
|
||
|
if (EFI_ERROR(Status)) {
|
||
|
FreePool(mSmiHandlerProfileDatabase);
|
||
|
mSmiHandlerProfileDatabase = NULL;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Copy SMI handler profile data.
|
||
|
|
||
|
@param DataBuffer The buffer to hold SMI handler profile data.
|
||
|
@param DataSize On input, data buffer size.
|
||
|
On output, actual data buffer size copied.
|
||
|
@param DataOffset On input, data buffer offset to copy.
|
||
|
On output, next time data buffer offset to copy.
|
||
|
|
||
|
**/
|
||
|
VOID
|
||
|
SmiHandlerProfileCopyData(
|
||
|
OUT VOID *DataBuffer,
|
||
|
IN OUT UINT64 *DataSize,
|
||
|
IN OUT UINT64 *DataOffset
|
||
|
)
|
||
|
{
|
||
|
if (*DataOffset >= mSmiHandlerProfileDatabaseSize) {
|
||
|
*DataOffset = mSmiHandlerProfileDatabaseSize;
|
||
|
return;
|
||
|
}
|
||
|
if (mSmiHandlerProfileDatabaseSize - *DataOffset < *DataSize) {
|
||
|
*DataSize = mSmiHandlerProfileDatabaseSize - *DataOffset;
|
||
|
}
|
||
|
|
||
|
CopyMem(
|
||
|
DataBuffer,
|
||
|
(UINT8 *)mSmiHandlerProfileDatabase + *DataOffset,
|
||
|
(UINTN)*DataSize
|
||
|
);
|
||
|
*DataOffset = *DataOffset + *DataSize;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
SMI handler profile handler to get info.
|
||
|
|
||
|
@param SmiHandlerProfileParameterGetInfo The parameter of SMI handler profile get info.
|
||
|
|
||
|
**/
|
||
|
VOID
|
||
|
SmiHandlerProfileHandlerGetInfo(
|
||
|
IN SMI_HANDLER_PROFILE_PARAMETER_GET_INFO *SmiHandlerProfileParameterGetInfo
|
||
|
)
|
||
|
{
|
||
|
BOOLEAN SmiHandlerProfileRecordingStatus;
|
||
|
|
||
|
SmiHandlerProfileRecordingStatus = mSmiHandlerProfileRecordingStatus;
|
||
|
mSmiHandlerProfileRecordingStatus = FALSE;
|
||
|
|
||
|
SmiHandlerProfileParameterGetInfo->DataSize = mSmiHandlerProfileDatabaseSize;
|
||
|
SmiHandlerProfileParameterGetInfo->Header.ReturnStatus = 0;
|
||
|
|
||
|
mSmiHandlerProfileRecordingStatus = SmiHandlerProfileRecordingStatus;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
SMI handler profile handler to get data by offset.
|
||
|
|
||
|
@param SmiHandlerProfileParameterGetDataByOffset The parameter of SMI handler profile get data by offset.
|
||
|
|
||
|
**/
|
||
|
VOID
|
||
|
SmiHandlerProfileHandlerGetDataByOffset(
|
||
|
IN SMI_HANDLER_PROFILE_PARAMETER_GET_DATA_BY_OFFSET *SmiHandlerProfileParameterGetDataByOffset
|
||
|
)
|
||
|
{
|
||
|
SMI_HANDLER_PROFILE_PARAMETER_GET_DATA_BY_OFFSET SmiHandlerProfileGetDataByOffset;
|
||
|
BOOLEAN SmiHandlerProfileRecordingStatus;
|
||
|
|
||
|
SmiHandlerProfileRecordingStatus = mSmiHandlerProfileRecordingStatus;
|
||
|
mSmiHandlerProfileRecordingStatus = FALSE;
|
||
|
|
||
|
CopyMem(&SmiHandlerProfileGetDataByOffset, SmiHandlerProfileParameterGetDataByOffset, sizeof(SmiHandlerProfileGetDataByOffset));
|
||
|
|
||
|
//
|
||
|
// Sanity check
|
||
|
//
|
||
|
if (!SmmIsBufferOutsideSmmValid((UINTN)SmiHandlerProfileGetDataByOffset.DataBuffer, (UINTN)SmiHandlerProfileGetDataByOffset.DataSize)) {
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandlerGetDataByOffset: SMI handler profile get data in SMRAM or overflow!\n"));
|
||
|
SmiHandlerProfileParameterGetDataByOffset->Header.ReturnStatus = (UINT64)(INT64)(INTN)EFI_ACCESS_DENIED;
|
||
|
goto Done;
|
||
|
}
|
||
|
|
||
|
SmiHandlerProfileCopyData((VOID *)(UINTN)SmiHandlerProfileGetDataByOffset.DataBuffer, &SmiHandlerProfileGetDataByOffset.DataSize, &SmiHandlerProfileGetDataByOffset.DataOffset);
|
||
|
CopyMem(SmiHandlerProfileParameterGetDataByOffset, &SmiHandlerProfileGetDataByOffset, sizeof(SmiHandlerProfileGetDataByOffset));
|
||
|
SmiHandlerProfileParameterGetDataByOffset->Header.ReturnStatus = 0;
|
||
|
|
||
|
Done:
|
||
|
mSmiHandlerProfileRecordingStatus = SmiHandlerProfileRecordingStatus;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Dispatch function for a Software SMI handler.
|
||
|
|
||
|
Caution: This function may receive untrusted input.
|
||
|
Communicate buffer and buffer size are external input, so this function will do basic validation.
|
||
|
|
||
|
@param DispatchHandle The unique handle assigned to this handler by SmiHandlerRegister().
|
||
|
@param Context Points to an optional handler context which was specified when the
|
||
|
handler was registered.
|
||
|
@param CommBuffer A pointer to a collection of data in memory that will
|
||
|
be conveyed from a non-SMM environment into an SMM environment.
|
||
|
@param CommBufferSize The size of the CommBuffer.
|
||
|
|
||
|
@retval EFI_SUCCESS Command is handled successfully.
|
||
|
**/
|
||
|
EFI_STATUS
|
||
|
EFIAPI
|
||
|
SmiHandlerProfileHandler(
|
||
|
IN EFI_HANDLE DispatchHandle,
|
||
|
IN CONST VOID *Context OPTIONAL,
|
||
|
IN OUT VOID *CommBuffer OPTIONAL,
|
||
|
IN OUT UINTN *CommBufferSize OPTIONAL
|
||
|
)
|
||
|
{
|
||
|
SMI_HANDLER_PROFILE_PARAMETER_HEADER *SmiHandlerProfileParameterHeader;
|
||
|
UINTN TempCommBufferSize;
|
||
|
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandler Enter\n"));
|
||
|
|
||
|
if (mSmiHandlerProfileDatabase == NULL) {
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// If input is invalid, stop processing this SMI
|
||
|
//
|
||
|
if (CommBuffer == NULL || CommBufferSize == NULL) {
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
TempCommBufferSize = *CommBufferSize;
|
||
|
|
||
|
if (TempCommBufferSize < sizeof(SMI_HANDLER_PROFILE_PARAMETER_HEADER)) {
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandler: SMM communication buffer size invalid!\n"));
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
if (!SmmIsBufferOutsideSmmValid((UINTN)CommBuffer, TempCommBufferSize)) {
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandler: SMM communication buffer in SMRAM or overflow!\n"));
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
SmiHandlerProfileParameterHeader = (SMI_HANDLER_PROFILE_PARAMETER_HEADER *)((UINTN)CommBuffer);
|
||
|
SmiHandlerProfileParameterHeader->ReturnStatus = (UINT64)-1;
|
||
|
|
||
|
switch (SmiHandlerProfileParameterHeader->Command) {
|
||
|
case SMI_HANDLER_PROFILE_COMMAND_GET_INFO:
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandlerGetInfo\n"));
|
||
|
if (TempCommBufferSize != sizeof(SMI_HANDLER_PROFILE_PARAMETER_GET_INFO)) {
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandler: SMM communication buffer size invalid!\n"));
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
SmiHandlerProfileHandlerGetInfo((SMI_HANDLER_PROFILE_PARAMETER_GET_INFO *)(UINTN)CommBuffer);
|
||
|
break;
|
||
|
case SMI_HANDLER_PROFILE_COMMAND_GET_DATA_BY_OFFSET:
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandlerGetDataByOffset\n"));
|
||
|
if (TempCommBufferSize != sizeof(SMI_HANDLER_PROFILE_PARAMETER_GET_DATA_BY_OFFSET)) {
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandler: SMM communication buffer size invalid!\n"));
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
SmiHandlerProfileHandlerGetDataByOffset((SMI_HANDLER_PROFILE_PARAMETER_GET_DATA_BY_OFFSET *)(UINTN)CommBuffer);
|
||
|
break;
|
||
|
default:
|
||
|
break;
|
||
|
}
|
||
|
|
||
|
DEBUG((DEBUG_ERROR, "SmiHandlerProfileHandler Exit\n"));
|
||
|
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Register SMI handler profile handler.
|
||
|
**/
|
||
|
VOID
|
||
|
RegisterSmiHandlerProfileHandler (
|
||
|
VOID
|
||
|
)
|
||
|
{
|
||
|
EFI_STATUS Status;
|
||
|
EFI_HANDLE DispatchHandle;
|
||
|
|
||
|
Status = gSmst->SmiHandlerRegister (
|
||
|
SmiHandlerProfileHandler,
|
||
|
&gSmiHandlerProfileGuid,
|
||
|
&DispatchHandle
|
||
|
);
|
||
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
||
|
BuildSmiHandlerProfileDatabase();
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Finds the SMI entry for the requested handler type.
|
||
|
|
||
|
@param HandlerType The type of the interrupt
|
||
|
@param Create Create a new entry if not found
|
||
|
|
||
|
@return SMI entry
|
||
|
**/
|
||
|
SMI_ENTRY *
|
||
|
SmmCoreFindHardwareSmiEntry (
|
||
|
IN EFI_GUID *HandlerType,
|
||
|
IN BOOLEAN Create
|
||
|
)
|
||
|
{
|
||
|
LIST_ENTRY *Link;
|
||
|
SMI_ENTRY *Item;
|
||
|
SMI_ENTRY *SmiEntry;
|
||
|
|
||
|
//
|
||
|
// Search the SMI entry list for the matching GUID
|
||
|
//
|
||
|
SmiEntry = NULL;
|
||
|
for (Link = mHardwareSmiEntryList.ForwardLink;
|
||
|
Link != &mHardwareSmiEntryList;
|
||
|
Link = Link->ForwardLink) {
|
||
|
|
||
|
Item = CR (Link, SMI_ENTRY, AllEntries, SMI_ENTRY_SIGNATURE);
|
||
|
if (CompareGuid (&Item->HandlerType, HandlerType)) {
|
||
|
//
|
||
|
// This is the SMI entry
|
||
|
//
|
||
|
SmiEntry = Item;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// If the protocol entry was not found and Create is TRUE, then
|
||
|
// allocate a new entry
|
||
|
//
|
||
|
if ((SmiEntry == NULL) && Create) {
|
||
|
SmiEntry = AllocatePool (sizeof(SMI_ENTRY));
|
||
|
if (SmiEntry != NULL) {
|
||
|
//
|
||
|
// Initialize new SMI entry structure
|
||
|
//
|
||
|
SmiEntry->Signature = SMI_ENTRY_SIGNATURE;
|
||
|
CopyGuid ((VOID *)&SmiEntry->HandlerType, HandlerType);
|
||
|
InitializeListHead (&SmiEntry->SmiHandlers);
|
||
|
|
||
|
//
|
||
|
// Add it to SMI entry list
|
||
|
//
|
||
|
InsertTailList (&mHardwareSmiEntryList, &SmiEntry->AllEntries);
|
||
|
}
|
||
|
}
|
||
|
return SmiEntry;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Convert EFI_SMM_USB_REGISTER_CONTEXT to SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT.
|
||
|
|
||
|
@param UsbContext A pointer to EFI_SMM_USB_REGISTER_CONTEXT
|
||
|
@param UsbContextSize The size of EFI_SMM_USB_REGISTER_CONTEXT in bytes
|
||
|
@param SmiHandlerUsbContextSize The size of SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT in bytes
|
||
|
|
||
|
@return SmiHandlerUsbContext A pointer to SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT
|
||
|
**/
|
||
|
SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT *
|
||
|
ConvertSmiHandlerUsbContext (
|
||
|
IN EFI_SMM_USB_REGISTER_CONTEXT *UsbContext,
|
||
|
IN UINTN UsbContextSize,
|
||
|
OUT UINTN *SmiHandlerUsbContextSize
|
||
|
)
|
||
|
{
|
||
|
UINTN DevicePathSize;
|
||
|
SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT *SmiHandlerUsbContext;
|
||
|
|
||
|
ASSERT (UsbContextSize == sizeof(EFI_SMM_USB_REGISTER_CONTEXT));
|
||
|
|
||
|
DevicePathSize = GetDevicePathSize (UsbContext->Device);
|
||
|
SmiHandlerUsbContext = AllocatePool (sizeof (SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT) + DevicePathSize);
|
||
|
if (SmiHandlerUsbContext == NULL) {
|
||
|
*SmiHandlerUsbContextSize = 0;
|
||
|
return NULL;
|
||
|
}
|
||
|
SmiHandlerUsbContext->Type = UsbContext->Type;
|
||
|
SmiHandlerUsbContext->DevicePathSize = (UINT32)DevicePathSize;
|
||
|
CopyMem (SmiHandlerUsbContext + 1, UsbContext->Device, DevicePathSize);
|
||
|
*SmiHandlerUsbContextSize = sizeof (SMI_HANDLER_PROFILE_USB_REGISTER_CONTEXT) + DevicePathSize;
|
||
|
return SmiHandlerUsbContext;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Convert EFI_SMM_SW_REGISTER_CONTEXT to SMI_HANDLER_PROFILE_SW_REGISTER_CONTEXT.
|
||
|
|
||
|
@param SwContext A pointer to EFI_SMM_SW_REGISTER_CONTEXT
|
||
|
@param SwContextSize The size of EFI_SMM_SW_REGISTER_CONTEXT in bytes
|
||
|
@param SmiHandlerSwContextSize The size of SMI_HANDLER_PROFILE_SW_REGISTER_CONTEXT in bytes
|
||
|
|
||
|
@return SmiHandlerSwContext A pointer to SMI_HANDLER_PROFILE_SW_REGISTER_CONTEXT
|
||
|
**/
|
||
|
SMI_HANDLER_PROFILE_SW_REGISTER_CONTEXT *
|
||
|
ConvertSmiHandlerSwContext (
|
||
|
IN EFI_SMM_SW_REGISTER_CONTEXT *SwContext,
|
||
|
IN UINTN SwContextSize,
|
||
|
OUT UINTN *SmiHandlerSwContextSize
|
||
|
)
|
||
|
{
|
||
|
SMI_HANDLER_PROFILE_SW_REGISTER_CONTEXT *SmiHandlerSwContext;
|
||
|
|
||
|
ASSERT (SwContextSize == sizeof(EFI_SMM_SW_REGISTER_CONTEXT));
|
||
|
|
||
|
SmiHandlerSwContext = AllocatePool (sizeof (SMI_HANDLER_PROFILE_SW_REGISTER_CONTEXT));
|
||
|
if (SmiHandlerSwContext == NULL) {
|
||
|
*SmiHandlerSwContextSize = 0;
|
||
|
return NULL;
|
||
|
}
|
||
|
SmiHandlerSwContext->SwSmiInputValue = SwContext->SwSmiInputValue;
|
||
|
*SmiHandlerSwContextSize = sizeof (SMI_HANDLER_PROFILE_SW_REGISTER_CONTEXT);
|
||
|
return SmiHandlerSwContext;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
This function is called by SmmChildDispatcher module to report
|
||
|
a new SMI handler is registered, to SmmCore.
|
||
|
|
||
|
@param This The protocol instance
|
||
|
@param HandlerGuid The GUID to identify the type of the handler.
|
||
|
For the SmmChildDispatch protocol, the HandlerGuid
|
||
|
must be the GUID of SmmChildDispatch protocol.
|
||
|
@param Handler The SMI handler.
|
||
|
@param CallerAddress The address of the module who registers the SMI handler.
|
||
|
@param Context The context of the SMI handler.
|
||
|
For the SmmChildDispatch protocol, the Context
|
||
|
must match the one defined for SmmChildDispatch protocol.
|
||
|
@param ContextSize The size of the context in bytes.
|
||
|
For the SmmChildDispatch protocol, the Context
|
||
|
must match the one defined for SmmChildDispatch protocol.
|
||
|
|
||
|
@retval EFI_SUCCESS The information is recorded.
|
||
|
@retval EFI_OUT_OF_RESOURCES There is no enough resource to record the information.
|
||
|
**/
|
||
|
EFI_STATUS
|
||
|
EFIAPI
|
||
|
SmiHandlerProfileRegisterHandler (
|
||
|
IN SMI_HANDLER_PROFILE_PROTOCOL *This,
|
||
|
IN EFI_GUID *HandlerGuid,
|
||
|
IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler,
|
||
|
IN PHYSICAL_ADDRESS CallerAddress,
|
||
|
IN VOID *Context, OPTIONAL
|
||
|
IN UINTN ContextSize OPTIONAL
|
||
|
)
|
||
|
{
|
||
|
SMI_HANDLER *SmiHandler;
|
||
|
SMI_ENTRY *SmiEntry;
|
||
|
LIST_ENTRY *List;
|
||
|
|
||
|
if (((ContextSize == 0) && (Context != NULL)) ||
|
||
|
((ContextSize != 0) && (Context == NULL))) {
|
||
|
return EFI_INVALID_PARAMETER;
|
||
|
}
|
||
|
|
||
|
SmiHandler = AllocateZeroPool (sizeof (SMI_HANDLER));
|
||
|
if (SmiHandler == NULL) {
|
||
|
return EFI_OUT_OF_RESOURCES;
|
||
|
}
|
||
|
|
||
|
SmiHandler->Signature = SMI_HANDLER_SIGNATURE;
|
||
|
SmiHandler->Handler = Handler;
|
||
|
SmiHandler->CallerAddr = (UINTN)CallerAddress;
|
||
|
SmiHandler->Context = Context;
|
||
|
SmiHandler->ContextSize = ContextSize;
|
||
|
|
||
|
if (Context != NULL) {
|
||
|
if (CompareGuid (HandlerGuid, &gEfiSmmUsbDispatch2ProtocolGuid)) {
|
||
|
SmiHandler->Context = ConvertSmiHandlerUsbContext (Context, ContextSize, &SmiHandler->ContextSize);
|
||
|
} else if (CompareGuid (HandlerGuid, &gEfiSmmSwDispatch2ProtocolGuid)) {
|
||
|
SmiHandler->Context = ConvertSmiHandlerSwContext (Context, ContextSize, &SmiHandler->ContextSize);
|
||
|
} else {
|
||
|
SmiHandler->Context = AllocateCopyPool (ContextSize, Context);
|
||
|
}
|
||
|
}
|
||
|
if (SmiHandler->Context == NULL) {
|
||
|
SmiHandler->ContextSize = 0;
|
||
|
}
|
||
|
|
||
|
SmiEntry = SmmCoreFindHardwareSmiEntry (HandlerGuid, TRUE);
|
||
|
if (SmiEntry == NULL) {
|
||
|
if (SmiHandler->Context != NULL) {
|
||
|
FreePool (SmiHandler->Context);
|
||
|
}
|
||
|
FreePool (SmiHandler);
|
||
|
return EFI_OUT_OF_RESOURCES;
|
||
|
}
|
||
|
|
||
|
List = &SmiEntry->SmiHandlers;
|
||
|
|
||
|
SmiHandler->SmiEntry = SmiEntry;
|
||
|
InsertTailList (List, &SmiHandler->Link);
|
||
|
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
This function is called by SmmChildDispatcher module to report
|
||
|
an existing SMI handler is unregistered, to SmmCore.
|
||
|
|
||
|
@param This The protocol instance
|
||
|
@param HandlerGuid The GUID to identify the type of the handler.
|
||
|
For the SmmChildDispatch protocol, the HandlerGuid
|
||
|
must be the GUID of SmmChildDispatch protocol.
|
||
|
@param Handler The SMI handler.
|
||
|
@param Context The context of the SMI handler.
|
||
|
If it is NOT NULL, it will be used to check what is registered.
|
||
|
@param ContextSize The size of the context in bytes.
|
||
|
If Context is NOT NULL, it will be used to check what is registered.
|
||
|
|
||
|
@retval EFI_SUCCESS The original record is removed.
|
||
|
@retval EFI_NOT_FOUND There is no record for the HandlerGuid and handler.
|
||
|
**/
|
||
|
EFI_STATUS
|
||
|
EFIAPI
|
||
|
SmiHandlerProfileUnregisterHandler (
|
||
|
IN SMI_HANDLER_PROFILE_PROTOCOL *This,
|
||
|
IN EFI_GUID *HandlerGuid,
|
||
|
IN EFI_SMM_HANDLER_ENTRY_POINT2 Handler,
|
||
|
IN VOID *Context, OPTIONAL
|
||
|
IN UINTN ContextSize OPTIONAL
|
||
|
)
|
||
|
{
|
||
|
LIST_ENTRY *Link;
|
||
|
LIST_ENTRY *Head;
|
||
|
SMI_HANDLER *SmiHandler;
|
||
|
SMI_ENTRY *SmiEntry;
|
||
|
SMI_HANDLER *TargetSmiHandler;
|
||
|
VOID *SearchContext;
|
||
|
UINTN SearchContextSize;
|
||
|
|
||
|
if (((ContextSize == 0) && (Context != NULL)) ||
|
||
|
((ContextSize != 0) && (Context == NULL))) {
|
||
|
return EFI_INVALID_PARAMETER;
|
||
|
}
|
||
|
|
||
|
SmiEntry = SmmCoreFindHardwareSmiEntry (HandlerGuid, FALSE);
|
||
|
if (SmiEntry == NULL) {
|
||
|
return EFI_NOT_FOUND;
|
||
|
}
|
||
|
|
||
|
SearchContext = Context;
|
||
|
SearchContextSize = ContextSize;
|
||
|
if (Context != NULL) {
|
||
|
if (CompareGuid (HandlerGuid, &gEfiSmmUsbDispatch2ProtocolGuid)) {
|
||
|
SearchContext = ConvertSmiHandlerUsbContext (Context, ContextSize, &SearchContextSize);
|
||
|
} else if (CompareGuid (HandlerGuid, &gEfiSmmSwDispatch2ProtocolGuid)) {
|
||
|
SearchContext = ConvertSmiHandlerSwContext (Context, ContextSize, &SearchContextSize);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
TargetSmiHandler = NULL;
|
||
|
Head = &SmiEntry->SmiHandlers;
|
||
|
for (Link = Head->ForwardLink; Link != Head; Link = Link->ForwardLink) {
|
||
|
SmiHandler = CR (Link, SMI_HANDLER, Link, SMI_HANDLER_SIGNATURE);
|
||
|
if (SmiHandler->Handler == Handler) {
|
||
|
if ((SearchContext == NULL) ||
|
||
|
((SearchContextSize == SmiHandler->ContextSize) && (CompareMem (SearchContext, SmiHandler->Context, SearchContextSize) == 0))) {
|
||
|
TargetSmiHandler = SmiHandler;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (SearchContext != NULL) {
|
||
|
if (CompareGuid (HandlerGuid, &gEfiSmmUsbDispatch2ProtocolGuid)) {
|
||
|
FreePool (SearchContext);
|
||
|
}
|
||
|
}
|
||
|
|
||
|
if (TargetSmiHandler == NULL) {
|
||
|
return EFI_NOT_FOUND;
|
||
|
}
|
||
|
SmiHandler = TargetSmiHandler;
|
||
|
|
||
|
RemoveEntryList (&SmiHandler->Link);
|
||
|
if (SmiHandler->Context != NULL) {
|
||
|
FreePool (SmiHandler->Context);
|
||
|
}
|
||
|
FreePool (SmiHandler);
|
||
|
|
||
|
if (IsListEmpty (&SmiEntry->SmiHandlers)) {
|
||
|
RemoveEntryList (&SmiEntry->AllEntries);
|
||
|
FreePool (SmiEntry);
|
||
|
}
|
||
|
|
||
|
return EFI_SUCCESS;
|
||
|
}
|
||
|
|
||
|
/**
|
||
|
Initialize SmiHandler profile feature.
|
||
|
**/
|
||
|
VOID
|
||
|
SmmCoreInitializeSmiHandlerProfile (
|
||
|
VOID
|
||
|
)
|
||
|
{
|
||
|
EFI_STATUS Status;
|
||
|
VOID *Registration;
|
||
|
EFI_HANDLE Handle;
|
||
|
|
||
|
if ((PcdGet8 (PcdSmiHandlerProfilePropertyMask) & 0x1) != 0) {
|
||
|
InsertTailList (&mRootSmiEntryList, &mRootSmiEntry.AllEntries);
|
||
|
|
||
|
Status = gSmst->SmmRegisterProtocolNotify (
|
||
|
&gEfiSmmReadyToLockProtocolGuid,
|
||
|
SmmReadyToLockInSmiHandlerProfile,
|
||
|
&Registration
|
||
|
);
|
||
|
ASSERT_EFI_ERROR (Status);
|
||
|
|
||
|
Handle = NULL;
|
||
|
Status = gSmst->SmmInstallProtocolInterface (
|
||
|
&Handle,
|
||
|
&gSmiHandlerProfileGuid,
|
||
|
EFI_NATIVE_INTERFACE,
|
||
|
&mSmiHandlerProfile
|
||
|
);
|
||
|
ASSERT_EFI_ERROR (Status);
|
||
|
}
|
||
|
}
|
||
|
|