+++ /dev/null
-/** @file\r
- SMM Firmware Volume Block Driver for Lakeport Platform.\r
-\r
- Firmware volume block driver for FWH or SPI device.\r
- It depends on which Flash Device Library to be linked with this driver.\r
-\r
-Copyright (c) 2010 - 2014, Intel Corporation. All rights reserved.<BR>\r
- \r\r
- SPDX-License-Identifier: BSD-2-Clause-Patent\r
-\r
- \r\r
-\r
-**/\r
-\r
-#include <PiSmm.h>\r
-#include <Library/SmmServicesTableLib.h>\r
-#include "FvbSmmCommon.h"\r
-#include "FvbService.h"\r
-\r
-/**\r
- The function installs EFI_SMM_FIRMWARE_VOLUME_BLOCK protocol\r
- for each FV in the system.\r
-\r
- @param[in] FwhInstance The pointer to a FW volume instance structure,\r
- which contains the information about one FV.\r
- @param[in] InstanceNum The instance number which can be used as a ID\r
- to locate this FwhInstance in other functions.\r
-\r
- @retval VOID\r
-\r
-**/\r
-VOID\r
-InstallFvbProtocol (\r
- IN EFI_FW_VOL_INSTANCE *FwhInstance,\r
- IN UINTN InstanceNum\r
- )\r
-{\r
- EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;\r
- EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r
- EFI_STATUS Status;\r
- EFI_HANDLE FvbHandle;\r
-\r
- FvbDevice = (EFI_FW_VOL_BLOCK_DEVICE *) AllocateRuntimeCopyPool (\r
- sizeof (EFI_FW_VOL_BLOCK_DEVICE),\r
- &mFvbDeviceTemplate\r
- );\r
- ASSERT (FvbDevice != NULL);\r
-\r
- FvbDevice->Instance = InstanceNum;\r
- FwVolHeader = &FwhInstance->VolumeHeader;\r
-\r
- //\r
- // Set up the devicepath.\r
- //\r
- if (FwVolHeader->ExtHeaderOffset == 0) {\r
- //\r
- // FV does not contains extension header, then produce MEMMAP_DEVICE_PATH.\r
- //\r
- FvbDevice->DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) AllocateRuntimeCopyPool (sizeof (FV_MEMMAP_DEVICE_PATH), &mFvMemmapDevicePathTemplate);\r
- ((FV_MEMMAP_DEVICE_PATH *) FvbDevice->DevicePath)->MemMapDevPath.StartingAddress = FwhInstance->FvBase;\r
- ((FV_MEMMAP_DEVICE_PATH *) FvbDevice->DevicePath)->MemMapDevPath.EndingAddress = FwhInstance->FvBase + FwVolHeader->FvLength - 1;\r
- } else {\r
- FvbDevice->DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) AllocateRuntimeCopyPool (sizeof (FV_PIWG_DEVICE_PATH), &mFvPIWGDevicePathTemplate);\r
- CopyGuid (\r
- &((FV_PIWG_DEVICE_PATH *)FvbDevice->DevicePath)->FvDevPath.FvName,\r
- (GUID *)(UINTN)(FwhInstance->FvBase + FwVolHeader->ExtHeaderOffset)\r
- );\r
- }\r
-\r
- //\r
- // Install the SMM Firmware Volume Block Protocol and Device Path Protocol.\r
- //\r
- FvbHandle = NULL;\r
- Status = gSmst->SmmInstallProtocolInterface (\r
- &FvbHandle,\r
- &gEfiSmmFirmwareVolumeBlockProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- &FvbDevice->FwVolBlockInstance\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Status = gSmst->SmmInstallProtocolInterface (\r
- &FvbHandle,\r
- &gEfiDevicePathProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- FvbDevice->DevicePath\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Notify the Fvb wrapper driver SMM fvb is ready.\r
- //\r
- FvbHandle = NULL;\r
- Status = gBS->InstallProtocolInterface (\r
- &FvbHandle,\r
- &gEfiSmmFirmwareVolumeBlockProtocolGuid,\r
- EFI_NATIVE_INTERFACE,\r
- &FvbDevice->FwVolBlockInstance\r
- );\r
-}\r
-\r
-\r
-/**\r
- The driver entry point for SMM Firmware Volume Block Driver.\r
-\r
- The function does the necessary initialization work\r
- Firmware Volume Block Driver.\r
-\r
- @param[in] ImageHandle The firmware allocated handle for the UEFI image.\r
- @param[in] SystemTable A pointer to the EFI system table.\r
-\r
- @retval EFI_SUCCESS This funtion always return EFI_SUCCESS.\r
- It will ASSERT on errors.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-FvbSmmInitialize (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- FvbInitialize ();\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r