X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=IntelFrameworkPkg%2FLibrary%2FDxeSmmDriverEntryPoint%2FDriverEntryPoint.c;fp=IntelFrameworkPkg%2FLibrary%2FDxeSmmDriverEntryPoint%2FDriverEntryPoint.c;h=0000000000000000000000000000000000000000;hp=2b3a4803c96b5a04a448f917f8534efacea6dd0e;hb=87fc0601fa9a98d5f86a81fc20d2cc8ef936e064;hpb=aa7fc1c11c3d57d82842dbede50d064639671a98
diff --git a/IntelFrameworkPkg/Library/DxeSmmDriverEntryPoint/DriverEntryPoint.c b/IntelFrameworkPkg/Library/DxeSmmDriverEntryPoint/DriverEntryPoint.c
deleted file mode 100644
index 2b3a4803c9..0000000000
--- a/IntelFrameworkPkg/Library/DxeSmmDriverEntryPoint/DriverEntryPoint.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/** @file
- This file implement EfiMain() for library class DxeSmmDriverEntryPoint.
- EfiMain() is common driver entry point for all SMM driver who uses DxeSmmDriverEntryPoint
- library class.
-
-Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
-SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-
-
-#include
-
-#include
-#include
-#include
-
-#include
-#include
-#include
-#include
-
-/**
- This function returns the size, in bytes,
- of the device path data structure specified by DevicePath.
- If DevicePath is NULL, then 0 is returned.
-
- @param DevicePath A pointer to a device path data structure.
-
- @return The size of a device path in bytes.
-
-**/
-UINTN
-EFIAPI
-SmmGetDevicePathSize (
- IN CONST EFI_DEVICE_PATH_PROTOCOL *DevicePath
- )
-{
- CONST EFI_DEVICE_PATH_PROTOCOL *Start;
-
- if (DevicePath == NULL) {
- return 0;
- }
-
- //
- // Search for the end of the device path structure
- //
- Start = DevicePath;
- while (!IsDevicePathEnd (DevicePath)) {
- DevicePath = NextDevicePathNode (DevicePath);
- }
-
- //
- // Compute the size and add back in the size of the end device path structure
- //
- return ((UINTN) DevicePath - (UINTN) Start) + sizeof (EFI_DEVICE_PATH_PROTOCOL);
-}
-
-/**
- This function appends the device path SecondDevicePath
- to every device path instance in FirstDevicePath.
-
- @param FirstDevicePath A pointer to a device path data structure.
-
- @param SecondDevicePath A pointer to a device path data structure.
-
- @return A pointer to the new device path is returned.
- NULL is returned if space for the new device path could not be allocated from pool.
- It is up to the caller to free the memory used by FirstDevicePath and SecondDevicePath
- if they are no longer needed.
-
-**/
-EFI_DEVICE_PATH_PROTOCOL *
-EFIAPI
-SmmAppendDevicePath (
- IN CONST EFI_DEVICE_PATH_PROTOCOL *FirstDevicePath,
- IN CONST EFI_DEVICE_PATH_PROTOCOL *SecondDevicePath
- )
-{
- EFI_STATUS Status;
- UINTN Size;
- UINTN Size1;
- UINTN Size2;
- EFI_DEVICE_PATH_PROTOCOL *NewDevicePath;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath2;
-
- ASSERT (FirstDevicePath != NULL && SecondDevicePath != NULL);
-
- //
- // Allocate space for the combined device path. It only has one end node of
- // length EFI_DEVICE_PATH_PROTOCOL
- //
- Size1 = SmmGetDevicePathSize (FirstDevicePath);
- Size2 = SmmGetDevicePathSize (SecondDevicePath);
- Size = Size1 + Size2 - sizeof (EFI_DEVICE_PATH_PROTOCOL);
-
- Status = gBS->AllocatePool (EfiBootServicesData, Size, (VOID **) &NewDevicePath);
-
- if (EFI_SUCCESS == Status) {
- //
- // CopyMem in gBS is used as this service should always be ready. We didn't choose
- // to use a BaseMemoryLib function as such library instance may have constructor.
- //
- gBS->CopyMem ((VOID *) NewDevicePath, (VOID *) FirstDevicePath, Size1);
- //
- // Over write Src1 EndNode and do the copy
- //
- DevicePath2 = (EFI_DEVICE_PATH_PROTOCOL *) ((CHAR8 *) NewDevicePath + (Size1 - sizeof (EFI_DEVICE_PATH_PROTOCOL)));
- gBS->CopyMem ((VOID *) DevicePath2, (VOID *) SecondDevicePath, Size2);
- }
-
- return NewDevicePath;
-}
-
-/**
- Unload function that is registered in the LoadImage protocol. It un-installs
- protocols produced and deallocates pool used by the driver. Called by the core
- when unloading the driver.
-
- @param ImageHandle ImageHandle of the unloaded driver
-
- @return Status of the ProcessModuleUnloadList.
-
-**/
-EFI_STATUS
-EFIAPI
-_DriverUnloadHandler (
- EFI_HANDLE ImageHandle
- )
-{
- //
- // Call the unload handlers for all the modules.
- //
- // Note: All libraries were constructed in SMM space,
- // therefore we can not destruct them in Unload
- // handler.
- //
- return ProcessModuleUnloadList (ImageHandle);
-}
-
-/**
- Enrty point to DXE SMM Driver.
-
- @param ImageHandle ImageHandle of the loaded driver.
- @param SystemTable Pointer to the EFI System Table.
-
- @retval EFI_SUCCESS One or more of the drivers returned a success code.
- @retval !EFI_SUCESS The return status from the last driver entry point in the list.
-
-**/
-EFI_STATUS
-EFIAPI
-_ModuleEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
- EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
- EFI_SMM_BASE_PROTOCOL *SmmBase;
- BOOLEAN InSmm;
- EFI_DEVICE_PATH_PROTOCOL *CompleteFilePath;
- EFI_DEVICE_PATH_PROTOCOL *ImageDevicePath;
- EFI_HANDLE Handle;
-
- //
- // Cache a pointer to the Boot Services Table
- //
- gBS = SystemTable->BootServices;
-
- //
- // Retrieve SMM Base Protocol
- //
- Status = gBS->LocateProtocol (
- &gEfiSmmBaseProtocolGuid,
- NULL,
- (VOID **) &SmmBase
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Check to see if we are already in SMM
- //
- SmmBase->InSmm (SmmBase, &InSmm);
-
- //
- //
- //
- if (!InSmm) {
- //
- // Retrieve the Loaded Image Protocol
- //
- Status = gBS->HandleProtocol (
- ImageHandle,
- &gEfiLoadedImageProtocolGuid,
- (VOID*)&LoadedImage
- );
- ASSERT_EFI_ERROR (Status);
- //
- // Retrieve the Device Path Protocol from the DeviceHandle from which this driver was loaded
- //
- Status = gBS->HandleProtocol (
- LoadedImage->DeviceHandle,
- &gEfiDevicePathProtocolGuid,
- (VOID*)&ImageDevicePath
- );
- ASSERT_EFI_ERROR (Status);
-
- //
- // Build the full device path to the currently execuing image
- //
- CompleteFilePath = SmmAppendDevicePath (ImageDevicePath, LoadedImage->FilePath);
-
- //
- // Load the image in memory to SMRAM; it will automatically generate the
- // SMI.
- //
- Status = SmmBase->Register (SmmBase, CompleteFilePath, LoadedImage->ImageBase, 0, &Handle, FALSE);
- ASSERT_EFI_ERROR (Status);
- //
- // Optionally install the unload handler
- //
- if (_gDriverUnloadImageCount > 0) {
- Status = gBS->HandleProtocol (
- ImageHandle,
- &gEfiLoadedImageProtocolGuid,
- (VOID **)&LoadedImage
- );
- ASSERT_EFI_ERROR (Status);
- LoadedImage->Unload = _DriverUnloadHandler;
- }
-
- return Status;
- }
-
- //
- // Call constructor for all libraries
- //
- ProcessLibraryConstructorList (ImageHandle, SystemTable);
-
- //
- // Call the list of driver entry points
- //
- Status = ProcessModuleEntryPointList (ImageHandle, SystemTable);
- if (EFI_ERROR (Status)) {
- ProcessLibraryDestructorList (ImageHandle, SystemTable);
- }
-
- return Status;
-}
-
-/**
- Enrty point wrapper of DXE SMM Driver.
-
- @param ImageHandle ImageHandle of the loaded driver.
- @param SystemTable Pointer to the EFI System Table.
-
- @retval EFI_SUCCESS One or more of the drivers returned a success code.
- @retval !EFI_SUCESS The return status from the last driver entry point in the list.
-
-**/
-EFI_STATUS
-EFIAPI
-EfiMain (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- return _ModuleEntryPoint (ImageHandle, SystemTable);
-}