| /** @file | |
| Main file for LoadPciRom shell Debug1 function. | |
| (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> | |
| Copyright (c) 2005 - 2019, Intel Corporation. All rights reserved.<BR> | |
| SPDX-License-Identifier: BSD-2-Clause-Patent | |
| **/ | |
| #include "UefiShellDebug1CommandsLib.h" | |
| #include <IndustryStandard/Pci22.h> | |
| #include <IndustryStandard/Pci23.h> | |
| #include <IndustryStandard/PeImage.h> | |
| #include <Protocol/Decompress.h> | |
| /** | |
| Connects all available drives and controllers. | |
| @retval EFI_SUCCESS The operation was successful. | |
| @retval EFI_ABORTED The abort mechanism was received. | |
| **/ | |
| EFI_STATUS | |
| LoadPciRomConnectAllDriversToAllControllers ( | |
| VOID | |
| ); | |
| /** | |
| Command entry point. | |
| @param[in] RomBar The Rom Base address. | |
| @param[in] RomSize The Rom size. | |
| @param[in] FileName The file name. | |
| @retval EFI_SUCCESS The command completed successfully. | |
| @retval EFI_INVALID_PARAMETER Command usage error. | |
| @retval EFI_UNSUPPORTED Protocols unsupported. | |
| @retval EFI_OUT_OF_RESOURCES Out of memory. | |
| @retval Other value Unknown error. | |
| **/ | |
| EFI_STATUS | |
| LoadEfiDriversFromRomImage ( | |
| VOID *RomBar, | |
| UINTN RomSize, | |
| CONST CHAR16 *FileName | |
| ); | |
| STATIC CONST SHELL_PARAM_ITEM ParamList[] = { | |
| { L"-nc", TypeFlag }, | |
| { NULL, TypeMax } | |
| }; | |
| /** | |
| Function for 'loadpcirom' command. | |
| @param[in] ImageHandle Handle to the Image (NULL if Internal). | |
| @param[in] SystemTable Pointer to the System Table (NULL if Internal). | |
| **/ | |
| SHELL_STATUS | |
| EFIAPI | |
| ShellCommandRunLoadPciRom ( | |
| IN EFI_HANDLE ImageHandle, | |
| IN EFI_SYSTEM_TABLE *SystemTable | |
| ) | |
| { | |
| EFI_SHELL_FILE_INFO *FileList; | |
| UINTN SourceSize; | |
| UINT8 *File1Buffer; | |
| EFI_STATUS Status; | |
| LIST_ENTRY *Package; | |
| CHAR16 *ProblemParam; | |
| SHELL_STATUS ShellStatus; | |
| BOOLEAN Connect; | |
| CONST CHAR16 *Param; | |
| UINTN ParamCount; | |
| EFI_SHELL_FILE_INFO *Node; | |
| // | |
| // Local variable initializations | |
| // | |
| File1Buffer = NULL; | |
| ShellStatus = SHELL_SUCCESS; | |
| FileList = NULL; | |
| // | |
| // verify number of arguments | |
| // | |
| Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE); | |
| if (EFI_ERROR (Status)) { | |
| if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"loadpcirom", ProblemParam); | |
| FreePool (ProblemParam); | |
| ShellStatus = SHELL_INVALID_PARAMETER; | |
| } else { | |
| ASSERT (FALSE); | |
| } | |
| } else { | |
| if (ShellCommandLineGetCount (Package) < 2) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"loadpcirom"); | |
| ShellStatus = SHELL_INVALID_PARAMETER; | |
| } else { | |
| if (ShellCommandLineGetFlag (Package, L"-nc")) { | |
| Connect = FALSE; | |
| } else { | |
| Connect = TRUE; | |
| } | |
| // | |
| // get a list with each file specified by parameters | |
| // if parameter is a directory then add all the files below it to the list | |
| // | |
| for ( ParamCount = 1, Param = ShellCommandLineGetRawValue (Package, ParamCount) | |
| ; Param != NULL | |
| ; ParamCount++, Param = ShellCommandLineGetRawValue (Package, ParamCount) | |
| ) | |
| { | |
| Status = ShellOpenFileMetaArg ((CHAR16 *)Param, EFI_FILE_MODE_WRITE|EFI_FILE_MODE_READ, &FileList); | |
| if (EFI_ERROR (Status)) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Param); | |
| ShellStatus = SHELL_ACCESS_DENIED; | |
| break; | |
| } | |
| } | |
| if ((ShellStatus == SHELL_SUCCESS) && (FileList != NULL)) { | |
| // | |
| // loop through the list and make sure we are not aborting... | |
| // | |
| for ( Node = (EFI_SHELL_FILE_INFO *)GetFirstNode (&FileList->Link) | |
| ; !IsNull (&FileList->Link, &Node->Link) && !ShellGetExecutionBreakFlag () | |
| ; Node = (EFI_SHELL_FILE_INFO *)GetNextNode (&FileList->Link, &Node->Link) | |
| ) | |
| { | |
| if (EFI_ERROR (Node->Status)) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_FILE_OPEN_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName); | |
| ShellStatus = SHELL_INVALID_PARAMETER; | |
| continue; | |
| } | |
| if (FileHandleIsDirectory (Node->Handle) == EFI_SUCCESS) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_DIR), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName); | |
| ShellStatus = SHELL_INVALID_PARAMETER; | |
| continue; | |
| } | |
| SourceSize = (UINTN)Node->Info->FileSize; | |
| File1Buffer = AllocateZeroPool (SourceSize); | |
| if (File1Buffer == NULL) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_OUT_MEM), gShellDebug1HiiHandle, L"loadpcirom"); | |
| ShellStatus = SHELL_OUT_OF_RESOURCES; | |
| continue; | |
| } | |
| Status = gEfiShellProtocol->ReadFile (Node->Handle, &SourceSize, File1Buffer); | |
| if (EFI_ERROR (Status)) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_READ_FAIL), gShellDebug1HiiHandle, L"loadpcirom", Node->FullName); | |
| ShellStatus = SHELL_INVALID_PARAMETER; | |
| } else { | |
| Status = LoadEfiDriversFromRomImage ( | |
| File1Buffer, | |
| SourceSize, | |
| Node->FullName | |
| ); | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_LOAD_PCI_ROM_RES), gShellDebug1HiiHandle, Node->FullName, Status); | |
| } | |
| FreePool (File1Buffer); | |
| } | |
| } else if (ShellStatus == SHELL_SUCCESS) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_FILE_NOT_SPEC), gShellDebug1HiiHandle, "loadpcirom"); | |
| ShellStatus = SHELL_NOT_FOUND; | |
| } | |
| if ((FileList != NULL) && !IsListEmpty (&FileList->Link)) { | |
| Status = ShellCloseFileMetaArg (&FileList); | |
| } | |
| FileList = NULL; | |
| if (Connect) { | |
| Status = LoadPciRomConnectAllDriversToAllControllers (); | |
| } | |
| } | |
| } | |
| return (ShellStatus); | |
| } | |
| /** | |
| Command entry point. | |
| @param[in] RomBar The Rom Base address. | |
| @param[in] RomSize The Rom size. | |
| @param[in] FileName The file name. | |
| @retval EFI_SUCCESS The command completed successfully. | |
| @retval EFI_INVALID_PARAMETER Command usage error. | |
| @retval EFI_UNSUPPORTED Protocols unsupported. | |
| @retval EFI_OUT_OF_RESOURCES Out of memory. | |
| @retval Other value Unknown error. | |
| **/ | |
| EFI_STATUS | |
| LoadEfiDriversFromRomImage ( | |
| VOID *RomBar, | |
| UINTN RomSize, | |
| CONST CHAR16 *FileName | |
| ) | |
| { | |
| EFI_PCI_EXPANSION_ROM_HEADER *EfiRomHeader; | |
| PCI_DATA_STRUCTURE *Pcir; | |
| UINTN ImageIndex; | |
| UINTN RomBarOffset; | |
| UINT32 ImageSize; | |
| UINT16 ImageOffset; | |
| EFI_HANDLE ImageHandle; | |
| EFI_STATUS Status; | |
| EFI_STATUS ReturnStatus; | |
| CHAR16 RomFileName[280]; | |
| EFI_DEVICE_PATH_PROTOCOL *FilePath; | |
| BOOLEAN SkipImage; | |
| UINT32 DestinationSize; | |
| UINT32 ScratchSize; | |
| UINT8 *Scratch; | |
| VOID *ImageBuffer; | |
| VOID *DecompressedImageBuffer; | |
| UINT32 ImageLength; | |
| EFI_DECOMPRESS_PROTOCOL *Decompress; | |
| UINT32 InitializationSize; | |
| ImageIndex = 0; | |
| ReturnStatus = EFI_NOT_FOUND; | |
| RomBarOffset = (UINTN)RomBar; | |
| do { | |
| EfiRomHeader = (EFI_PCI_EXPANSION_ROM_HEADER *)(UINTN)RomBarOffset; | |
| if (EfiRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_CORRUPT), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex); | |
| // PrintToken (STRING_TOKEN (STR_LOADPCIROM_IMAGE_CORRUPT), HiiHandle, ImageIndex); | |
| return ReturnStatus; | |
| } | |
| // | |
| // If the pointer to the PCI Data Structure is invalid, no further images can be located. | |
| // The PCI Data Structure must be DWORD aligned. | |
| // | |
| if ((EfiRomHeader->PcirOffset == 0) || | |
| ((EfiRomHeader->PcirOffset & 3) != 0) || | |
| (RomBarOffset - (UINTN)RomBar + EfiRomHeader->PcirOffset + sizeof (PCI_DATA_STRUCTURE) > RomSize)) | |
| { | |
| break; | |
| } | |
| Pcir = (PCI_DATA_STRUCTURE *)(UINTN)(RomBarOffset + EfiRomHeader->PcirOffset); | |
| // | |
| // If a valid signature is not present in the PCI Data Structure, no further images can be located. | |
| // | |
| if (Pcir->Signature != PCI_DATA_STRUCTURE_SIGNATURE) { | |
| break; | |
| } | |
| ImageSize = Pcir->ImageLength * 512; | |
| if (RomBarOffset - (UINTN)RomBar + ImageSize > RomSize) { | |
| break; | |
| } | |
| if ((Pcir->CodeType == PCI_CODE_TYPE_EFI_IMAGE) && | |
| (EfiRomHeader->EfiSignature == EFI_PCI_EXPANSION_ROM_HEADER_EFISIGNATURE) && | |
| ((EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER) || | |
| (EfiRomHeader->EfiSubsystem == EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER))) | |
| { | |
| ImageOffset = EfiRomHeader->EfiImageHeaderOffset; | |
| InitializationSize = EfiRomHeader->InitializationSize * 512; | |
| if ((InitializationSize <= ImageSize) && (ImageOffset < InitializationSize)) { | |
| ImageBuffer = (VOID *)(UINTN)(RomBarOffset + ImageOffset); | |
| ImageLength = InitializationSize - ImageOffset; | |
| DecompressedImageBuffer = NULL; | |
| // | |
| // decompress here if needed | |
| // | |
| SkipImage = FALSE; | |
| if (EfiRomHeader->CompressionType > EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) { | |
| SkipImage = TRUE; | |
| } | |
| if (EfiRomHeader->CompressionType == EFI_PCI_EXPANSION_ROM_HEADER_COMPRESSED) { | |
| Status = gBS->LocateProtocol (&gEfiDecompressProtocolGuid, NULL, (VOID **)&Decompress); | |
| ASSERT_EFI_ERROR (Status); | |
| if (EFI_ERROR (Status)) { | |
| SkipImage = TRUE; | |
| } else { | |
| SkipImage = TRUE; | |
| Status = Decompress->GetInfo ( | |
| Decompress, | |
| ImageBuffer, | |
| ImageLength, | |
| &DestinationSize, | |
| &ScratchSize | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| DecompressedImageBuffer = AllocateZeroPool (DestinationSize); | |
| if (ImageBuffer != NULL) { | |
| Scratch = AllocateZeroPool (ScratchSize); | |
| if (Scratch != NULL) { | |
| Status = Decompress->Decompress ( | |
| Decompress, | |
| ImageBuffer, | |
| ImageLength, | |
| DecompressedImageBuffer, | |
| DestinationSize, | |
| Scratch, | |
| ScratchSize | |
| ); | |
| if (!EFI_ERROR (Status)) { | |
| ImageBuffer = DecompressedImageBuffer; | |
| ImageLength = DestinationSize; | |
| SkipImage = FALSE; | |
| } | |
| FreePool (Scratch); | |
| } | |
| } | |
| } | |
| } | |
| } | |
| if (!SkipImage) { | |
| // | |
| // load image and start image | |
| // | |
| UnicodeSPrint (RomFileName, sizeof (RomFileName), L"%s[%d]", FileName, ImageIndex); | |
| FilePath = FileDevicePath (NULL, RomFileName); | |
| Status = gBS->LoadImage ( | |
| TRUE, | |
| gImageHandle, | |
| FilePath, | |
| ImageBuffer, | |
| ImageLength, | |
| &ImageHandle | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| // | |
| // With EFI_SECURITY_VIOLATION retval, the Image was loaded and an ImageHandle was created | |
| // with a valid EFI_LOADED_IMAGE_PROTOCOL, but the image can not be started right now. | |
| // If the caller doesn't have the option to defer the execution of an image, we should | |
| // unload image for the EFI_SECURITY_VIOLATION to avoid resource leak. | |
| // | |
| if (Status == EFI_SECURITY_VIOLATION) { | |
| gBS->UnloadImage (ImageHandle); | |
| } | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_LOAD_FAIL), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex); | |
| // PrintToken (STRING_TOKEN (STR_LOADPCIROM_LOAD_IMAGE_ERROR), HiiHandle, ImageIndex, Status); | |
| } else { | |
| Status = gBS->StartImage (ImageHandle, NULL, NULL); | |
| if (EFI_ERROR (Status)) { | |
| ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_LOADPCIROM_START_FAIL), gShellDebug1HiiHandle, L"loadpcirom", FileName, ImageIndex); | |
| // PrintToken (STRING_TOKEN (STR_LOADPCIROM_START_IMAGE), HiiHandle, ImageIndex, Status); | |
| } else { | |
| ReturnStatus = Status; | |
| } | |
| } | |
| } | |
| if (DecompressedImageBuffer != NULL) { | |
| FreePool (DecompressedImageBuffer); | |
| } | |
| } | |
| } | |
| RomBarOffset = RomBarOffset + ImageSize; | |
| ImageIndex++; | |
| } while (((Pcir->Indicator & 0x80) == 0x00) && ((RomBarOffset - (UINTN)RomBar) < RomSize)); | |
| return ReturnStatus; | |
| } | |
| /** | |
| Connects all available drives and controllers. | |
| @retval EFI_SUCCESS The operation was successful. | |
| @retval EFI_ABORTED The abort mechanism was received. | |
| **/ | |
| EFI_STATUS | |
| LoadPciRomConnectAllDriversToAllControllers ( | |
| VOID | |
| ) | |
| { | |
| EFI_STATUS Status; | |
| UINTN HandleCount; | |
| EFI_HANDLE *HandleBuffer; | |
| UINTN Index; | |
| Status = gBS->LocateHandleBuffer ( | |
| AllHandles, | |
| NULL, | |
| NULL, | |
| &HandleCount, | |
| &HandleBuffer | |
| ); | |
| if (EFI_ERROR (Status)) { | |
| return Status; | |
| } | |
| for (Index = 0; Index < HandleCount; Index++) { | |
| if (ShellGetExecutionBreakFlag ()) { | |
| Status = EFI_ABORTED; | |
| break; | |
| } | |
| gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE); | |
| } | |
| if (HandleBuffer != NULL) { | |
| FreePool (HandleBuffer); | |
| } | |
| return Status; | |
| } |