diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c b/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c new file mode 100644 index 00000000..8fc876d0 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dblk.c @@ -0,0 +1,201 @@ +/** @file + Main file for Dblk shell Debug1 function. + + (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> + Copyright (c) 2005 - 2018, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UefiShellDebug1CommandsLib.h" +#include <Protocol/BlockIo.h> + +/** + Display blocks to the screen. + + @param[in] DevPath The device path to get the blocks from. + @param[in] Lba The Lba number to start from. + @param[in] BlockCount How many blocks to display. + + @retval SHELL_SUCCESS The display was successful. +**/ +SHELL_STATUS +DisplayTheBlocks( + IN CONST EFI_DEVICE_PATH_PROTOCOL *DevPath, + IN CONST UINT64 Lba, + IN CONST UINT8 BlockCount + ) +{ + EFI_BLOCK_IO_PROTOCOL *BlockIo; + EFI_HANDLE BlockIoHandle; + EFI_STATUS Status; + SHELL_STATUS ShellStatus; + UINT8 *Buffer; + UINT8 *OriginalBuffer; + UINTN BufferSize; + + ShellStatus = SHELL_SUCCESS; + + Status = gBS->LocateDevicePath(&gEfiBlockIoProtocolGuid, (EFI_DEVICE_PATH_PROTOCOL **)&DevPath, &BlockIoHandle); + if (EFI_ERROR(Status)) { + return (SHELL_NOT_FOUND); + } + + Status = gBS->OpenProtocol(BlockIoHandle, &gEfiBlockIoProtocolGuid, (VOID**)&BlockIo, gImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL); + if (EFI_ERROR(Status)) { + return (SHELL_NOT_FOUND); + } + + BufferSize = BlockIo->Media->BlockSize * BlockCount; + if(BlockIo->Media->IoAlign == 0) { + BlockIo->Media->IoAlign = 1; + } + + if (BufferSize > 0) { + OriginalBuffer = AllocateZeroPool(BufferSize + BlockIo->Media->IoAlign); + Buffer = ALIGN_POINTER (OriginalBuffer,BlockIo->Media->IoAlign); + } else { + ShellPrintEx(-1,-1,L" BlockSize: 0x%08x, BlockCount: 0x%08x\r\n", BlockIo->Media->BlockSize, BlockCount); + OriginalBuffer = NULL; + Buffer = NULL; + } + + Status = BlockIo->ReadBlocks(BlockIo, BlockIo->Media->MediaId, Lba, BufferSize, Buffer); + if (!EFI_ERROR(Status) && Buffer != NULL) { + ShellPrintHiiEx( + -1, + -1, + NULL, + STRING_TOKEN (STR_DBLK_HEADER), + gShellDebug1HiiHandle, + Lba, + BufferSize, + BlockIo + ); + + DumpHex(2,0,BufferSize,Buffer); + } else { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_FILE_READ_FAIL), gShellDebug1HiiHandle, L"dblk", L"BlockIo"); + ShellStatus = SHELL_DEVICE_ERROR; + } + + if (OriginalBuffer != NULL) { + FreePool (OriginalBuffer); + } + + gBS->CloseProtocol(BlockIoHandle, &gEfiBlockIoProtocolGuid, gImageHandle, NULL); + return (ShellStatus); +} + +/** + Function for 'dblk' 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 +ShellCommandRunDblk ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + LIST_ENTRY *Package; + CHAR16 *ProblemParam; + SHELL_STATUS ShellStatus; + CONST CHAR16 *BlockName; + CONST CHAR16 *LbaString; + CONST CHAR16 *BlockCountString; + UINT64 Lba; + UINT64 BlockCount; + EFI_DEVICE_PATH_PROTOCOL *DevPath; + + ShellStatus = SHELL_SUCCESS; + Status = EFI_SUCCESS; + + // + // initialize the shell lib (we must be in non-auto-init...) + // + Status = ShellInitialize(); + ASSERT_EFI_ERROR(Status); + + Status = CommandInit(); + ASSERT_EFI_ERROR(Status); + + // + // parse the command line + // + Status = ShellCommandLineParse (EmptyParamList, &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"dblk", ProblemParam); + FreePool(ProblemParam); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + ASSERT(FALSE); + } + } else { + if (ShellCommandLineGetCount(Package) > 4) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"dblk"); + ShellStatus = SHELL_INVALID_PARAMETER; + } else if (ShellCommandLineGetCount(Package) < 2) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"dblk"); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + // + // Parse the params + // + BlockName = ShellCommandLineGetRawValue(Package, 1); + LbaString = ShellCommandLineGetRawValue(Package, 2); + BlockCountString = ShellCommandLineGetRawValue(Package, 3); + + if (LbaString == NULL) { + Lba = 0; + } else { + if (!ShellIsHexOrDecimalNumber(LbaString, TRUE, FALSE)) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", LbaString); + ShellStatus = SHELL_INVALID_PARAMETER; + } + ShellConvertStringToUint64(LbaString, &Lba, TRUE, FALSE); + } + + if (BlockCountString == NULL) { + BlockCount = 1; + } else { + if (!ShellIsHexOrDecimalNumber(BlockCountString, TRUE, FALSE)) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockCountString); + ShellStatus = SHELL_INVALID_PARAMETER; + } + ShellConvertStringToUint64(BlockCountString, &BlockCount, TRUE, FALSE); + if (BlockCount > 0x10) { + BlockCount = 0x10; + } else if (BlockCount == 0) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockCountString); + ShellStatus = SHELL_INVALID_PARAMETER; + } + } + + if (ShellStatus == SHELL_SUCCESS) { + // + // do the work if we have a valid block identifier + // + if (gEfiShellProtocol->GetDevicePathFromMap(BlockName) == NULL) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dblk", BlockName); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + DevPath = (EFI_DEVICE_PATH_PROTOCOL*)gEfiShellProtocol->GetDevicePathFromMap(BlockName); + if (gBS->LocateDevicePath(&gEfiBlockIoProtocolGuid, &DevPath, NULL) == EFI_NOT_FOUND) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_MAP_PROTOCOL), gShellDebug1HiiHandle, L"dblk", BlockName, L"BlockIo"); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + ShellStatus = DisplayTheBlocks(gEfiShellProtocol->GetDevicePathFromMap(BlockName), Lba, (UINT8)BlockCount); + } + } + } + } + + ShellCommandLineFreeVarList (Package); + } + return (ShellStatus); +} |