+++ /dev/null
-/** @file\r
- 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) 2006 - 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 <PiDxe.h>\r
-#include <Library/UefiRuntimeLib.h>\r
-#include "FvbService.h"\r
-\r
-extern FWB_GLOBAL mFvbModuleGlobal;\r
-\r
-/**\r
- Call back function on EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.\r
-\r
- Fixup internal data so that the driver is callable in EFI runtime\r
- in virtual mode. Convert the mFvbModuleGlobal date items to there\r
- virtual address.\r
-\r
- @param Event Event whose notification function is being invoked.\r
- @param Context The context of the Notification context. Not used in\r
- this call back function.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-FvbVirtualddressChangeEvent (\r
- IN EFI_EVENT Event,\r
- IN VOID *Context\r
- )\r
-{\r
- EFI_FW_VOL_INSTANCE *FwhInstance;\r
- UINTN Index;\r
-\r
- //\r
- // Convert the base address of all the instances.\r
- //\r
- for (Index = 0; Index < mFvbModuleGlobal.NumFv; Index++) {\r
- FwhInstance = GetFvbInstance (Index);\r
- EfiConvertPointer (0, (VOID **) &FwhInstance->FvBase);\r
- }\r
-\r
- EfiConvertPointer (0, (VOID **) &mFvbModuleGlobal.FvInstance);\r
-}\r
-\r
-\r
-/**\r
- The function installs EFI_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 FwbHandle;\r
- EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *OldFwbInterface;\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
- DEBUG ((EFI_D_INFO, "FwBlockService.c: Setting up DevicePath for 0x%lx:\n", FwhInstance->FvBase));\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
- // Find a handle with a matching device path that has supports FW Block protocol.\r
- //\r
- Status = gBS->LocateDevicePath (\r
- &gEfiFirmwareVolumeBlockProtocolGuid,\r
- &FvbDevice->DevicePath,\r
- &FwbHandle\r
- );\r
- if (EFI_ERROR (Status) ) {\r
- //\r
- // LocateDevicePath fails so install a new interface and device path.\r
- //\r
- DEBUG ((EFI_D_INFO, "FwBlockService.c: LocateDevicePath failed, install new interface 0x%lx:\n", FwhInstance->FvBase));\r
- FwbHandle = NULL;\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &FwbHandle,\r
- &gEfiFirmwareVolumeBlockProtocolGuid,\r
- &FvbDevice->FwVolBlockInstance,\r
- &gEfiDevicePathProtocolGuid,\r
- FvbDevice->DevicePath,\r
- NULL\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
- DEBUG ((EFI_D_INFO, "FwBlockService.c: IMPI FirmwareVolBlockProt, DevPath 0x%lx: %r\n", FwhInstance->FvBase, Status));\r
-\r
- } else if (IsDevicePathEnd (FvbDevice->DevicePath)) {\r
- //\r
- // Device allready exists, so reinstall the FVB protocol.\r
- //\r
- DEBUG ((EFI_D_ERROR, "FwBlockService.c: LocateDevicePath succeeded, reinstall interface 0x%lx:\n", FwhInstance->FvBase));\r
- Status = gBS->HandleProtocol (\r
- FwbHandle,\r
- &gEfiFirmwareVolumeBlockProtocolGuid,\r
- (VOID **) &OldFwbInterface\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- Status = gBS->ReinstallProtocolInterface (\r
- FwbHandle,\r
- &gEfiFirmwareVolumeBlockProtocolGuid,\r
- OldFwbInterface,\r
- &FvbDevice->FwVolBlockInstance\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- } else {\r
- //\r
- // There was a FVB protocol on an End Device Path node.\r
- //\r
- ASSERT (FALSE);\r
- }\r
-\r
-}\r
-\r
-\r
-/**\r
- The driver entry point for Firmware Volume Block Driver.\r
-\r
- The function does the necessary initialization work for\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
-DxeFvbInitialize (\r
- IN EFI_HANDLE ImageHandle,\r
- IN EFI_SYSTEM_TABLE *SystemTable\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_EVENT Event;\r
-\r
- Status = gBS->CreateEventEx (\r
- EVT_NOTIFY_SIGNAL,\r
- TPL_NOTIFY,\r
- FvbVirtualddressChangeEvent,\r
- NULL,\r
- &gEfiEventVirtualAddressChangeGuid,\r
- &Event\r
- );\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- FvbInitialize ();\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
projects / mirror_edk2.git / blobdiff