+++ /dev/null
-/** @file\r
-*\r
-* Copyright (c) 2011-2015, ARM Limited. All rights reserved.\r
-*\r
-* This program and the accompanying materials\r
-* are licensed and made available under the terms and conditions of the BSD License\r
-* which accompanies this distribution. The full text of the license may be found at\r
-* http://opensource.org/licenses/bsd-license.php\r
-*\r
-* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-*\r
-**/\r
-\r
-#include "BdsInternal.h"\r
-\r
-/**\r
- Locate an EFI application in a the Firmware Volumes by its Name\r
-\r
- @param EfiAppGuid Guid of the EFI Application into the Firmware Volume\r
- @param DevicePath EFI Device Path of the EFI application\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_NOT_FOUND The protocol could not be located.\r
- @return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol.\r
-\r
-**/\r
-EFI_STATUS\r
-LocateEfiApplicationInFvByName (\r
- IN CONST CHAR16* EfiAppName,\r
- OUT EFI_DEVICE_PATH **DevicePath\r
- )\r
-{\r
- VOID *Key;\r
- EFI_STATUS Status, FileStatus;\r
- EFI_GUID NameGuid;\r
- EFI_FV_FILETYPE FileType;\r
- EFI_FV_FILE_ATTRIBUTES Attributes;\r
- UINTN Size;\r
- UINTN UiStringLen;\r
- CHAR16 *UiSection;\r
- UINT32 Authentication;\r
- EFI_DEVICE_PATH *FvDevicePath;\r
- MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FileDevicePath;\r
- EFI_HANDLE *HandleBuffer;\r
- UINTN NumberOfHandles;\r
- UINTN Index;\r
- EFI_FIRMWARE_VOLUME2_PROTOCOL *FvInstance;\r
-\r
- ASSERT (DevicePath != NULL);\r
-\r
- // Length of FilePath\r
- UiStringLen = StrLen (EfiAppName);\r
-\r
- // Locate all the Firmware Volume protocols.\r
- Status = gBS->LocateHandleBuffer (\r
- ByProtocol,\r
- &gEfiFirmwareVolume2ProtocolGuid,\r
- NULL,\r
- &NumberOfHandles,\r
- &HandleBuffer\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- *DevicePath = NULL;\r
-\r
- // Looking for FV with ACPI storage file\r
- for (Index = 0; Index < NumberOfHandles; Index++) {\r
- //\r
- // Get the protocol on this handle\r
- // This should not fail because of LocateHandleBuffer\r
- //\r
- Status = gBS->HandleProtocol (\r
- HandleBuffer[Index],\r
- &gEfiFirmwareVolume2ProtocolGuid,\r
- (VOID**) &FvInstance\r
- );\r
- if (EFI_ERROR (Status)) {\r
- goto FREE_HANDLE_BUFFER;\r
- }\r
-\r
- // Allocate Key\r
- Key = AllocatePool (FvInstance->KeySize);\r
- ASSERT (Key != NULL);\r
- ZeroMem (Key, FvInstance->KeySize);\r
-\r
- do {\r
- // Search in all files\r
- FileType = EFI_FV_FILETYPE_ALL;\r
-\r
- Status = FvInstance->GetNextFile (FvInstance, Key, &FileType, &NameGuid, &Attributes, &Size);\r
- if (!EFI_ERROR (Status)) {\r
- UiSection = NULL;\r
- FileStatus = FvInstance->ReadSection (\r
- FvInstance,\r
- &NameGuid,\r
- EFI_SECTION_USER_INTERFACE,\r
- 0,\r
- (VOID **)&UiSection,\r
- &Size,\r
- &Authentication\r
- );\r
- if (!EFI_ERROR (FileStatus)) {\r
- if (StrnCmp (EfiAppName, UiSection, UiStringLen) == 0) {\r
- //\r
- // We found a UiString match.\r
- //\r
- Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&FvDevicePath);\r
-\r
- // Generate the Device Path for the file\r
- EfiInitializeFwVolDevicepathNode (&FileDevicePath, &NameGuid);\r
- *DevicePath = AppendDevicePathNode (FvDevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&FileDevicePath);\r
- ASSERT (*DevicePath != NULL);\r
-\r
- FreePool (Key);\r
- FreePool (UiSection);\r
- FreePool (HandleBuffer);\r
- return FileStatus;\r
- }\r
- FreePool (UiSection);\r
- }\r
- }\r
- } while (!EFI_ERROR (Status));\r
-\r
- FreePool (Key);\r
- }\r
-\r
-FREE_HANDLE_BUFFER:\r
- FreePool (HandleBuffer);\r
- return EFI_NOT_FOUND;\r
-}\r
-\r
-/**\r
- Locate an EFI application in a the Firmware Volumes by its GUID\r
-\r
- @param EfiAppGuid Guid of the EFI Application into the Firmware Volume\r
- @param DevicePath EFI Device Path of the EFI application\r
-\r
- @return EFI_SUCCESS The function completed successfully.\r
- @return EFI_NOT_FOUND The protocol could not be located.\r
- @return EFI_OUT_OF_RESOURCES There are not enough resources to find the protocol.\r
-\r
-**/\r
-EFI_STATUS\r
-LocateEfiApplicationInFvByGuid (\r
- IN CONST EFI_GUID *EfiAppGuid,\r
- OUT EFI_DEVICE_PATH **DevicePath\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_DEVICE_PATH *FvDevicePath;\r
- EFI_HANDLE *HandleBuffer;\r
- UINTN NumberOfHandles;\r
- UINTN Index;\r
- EFI_FIRMWARE_VOLUME2_PROTOCOL *FvInstance;\r
- EFI_FV_FILE_ATTRIBUTES Attributes;\r
- UINT32 AuthenticationStatus;\r
- EFI_FV_FILETYPE Type;\r
- UINTN Size;\r
- CHAR16 *UiSection;\r
- MEDIA_FW_VOL_FILEPATH_DEVICE_PATH FvFileDevicePath;\r
-\r
- ASSERT (DevicePath != NULL);\r
-\r
- // Locate all the Firmware Volume protocols.\r
- Status = gBS->LocateHandleBuffer (\r
- ByProtocol,\r
- &gEfiFirmwareVolume2ProtocolGuid,\r
- NULL,\r
- &NumberOfHandles,\r
- &HandleBuffer\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- *DevicePath = NULL;\r
-\r
- // Looking for FV with ACPI storage file\r
- for (Index = 0; Index < NumberOfHandles; Index++) {\r
- //\r
- // Get the protocol on this handle\r
- // This should not fail because of LocateHandleBuffer\r
- //\r
- Status = gBS->HandleProtocol (\r
- HandleBuffer[Index],\r
- &gEfiFirmwareVolume2ProtocolGuid,\r
- (VOID**) &FvInstance\r
- );\r
- if (EFI_ERROR (Status)) {\r
- goto FREE_HANDLE_BUFFER;\r
- }\r
-\r
- Status = FvInstance->ReadFile (\r
- FvInstance,\r
- EfiAppGuid,\r
- NULL,\r
- &Size,\r
- &Type,\r
- &Attributes,\r
- &AuthenticationStatus\r
- );\r
- if (EFI_ERROR (Status)) {\r
- //\r
- // Skip if no EFI application file in the FV\r
- //\r
- continue;\r
- } else {\r
- UiSection = NULL;\r
- Status = FvInstance->ReadSection (\r
- FvInstance,\r
- EfiAppGuid,\r
- EFI_SECTION_USER_INTERFACE,\r
- 0,\r
- (VOID **)&UiSection,\r
- &Size,\r
- &AuthenticationStatus\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Create the EFI Device Path for the application using the Filename of the application\r
- //\r
- *DevicePath = FileDevicePath (HandleBuffer[Index], UiSection);\r
- } else {\r
- Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID**)&FvDevicePath);\r
- ASSERT_EFI_ERROR (Status);\r
-\r
- //\r
- // Create the EFI Device Path for the application using the EFI GUID of the application\r
- //\r
- EfiInitializeFwVolDevicepathNode (&FvFileDevicePath, EfiAppGuid);\r
-\r
- *DevicePath = AppendDevicePathNode (FvDevicePath, (EFI_DEVICE_PATH_PROTOCOL *)&FvFileDevicePath);\r
- ASSERT (*DevicePath != NULL);\r
- }\r
- break;\r
- }\r
- }\r
-\r
-FREE_HANDLE_BUFFER:\r
- //\r
- // Free any allocated buffers\r
- //\r
- FreePool (HandleBuffer);\r
-\r
- if (*DevicePath == NULL) {\r
- return EFI_NOT_FOUND;\r
- } else {\r
- return EFI_SUCCESS;\r
- }\r
-}\r
projects / mirror_edk2.git / blobdiff