Add "Debug1" profile (all but Edit and HexEdit commands)

[mirror_edk2.git] / ShellPkg / Library / UefiShellDebug1CommandsLib / Dblk.c

/** @file\r
  Main file for Dblk shell Debug1 function.\r
\r
  Copyright (c) 2005 - 2010, Intel Corporation. All rights reserved.<BR>\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 "UefiShellDebug1CommandsLib.h"\r
#include <Protocol/BlockIo.h>\r
\r
SHELL_STATUS\r
EFIAPI\r
DisplayTheBlocks(\r
  IN CONST EFI_DEVICE_PATH_PROTOCOL *DevPath,\r
  IN CONST UINT64                   Lba,\r
  IN CONST UINT8                    BlockCount\r
  )\r
{\r
  EFI_BLOCK_IO_PROTOCOL     *BlockIo;\r
  EFI_DEVICE_PATH_PROTOCOL  *Copy;\r
  EFI_HANDLE                BlockIoHandle;\r
  EFI_STATUS                Status;\r
  SHELL_STATUS              ShellStatus;\r
  UINT8                     *Buffer;\r
  UINTN                     BufferSize;\r
\r
  ShellStatus = SHELL_SUCCESS;\r
  Copy = (EFI_DEVICE_PATH_PROTOCOL *)DevPath;\r
\r
  Status = gBS->LocateDevicePath(&gEfiBlockIoProtocolGuid, &Copy, &BlockIoHandle);\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Status = gBS->OpenProtocol(BlockIoHandle, &gEfiBlockIoProtocolGuid, (VOID**)&BlockIo, gImageHandle, NULL, EFI_OPEN_PROTOCOL_GET_PROTOCOL);\r
  ASSERT_EFI_ERROR(Status);\r
\r
  BufferSize = BlockIo->Media->BlockSize * BlockCount;\r
  if (BufferSize > 0) {\r
    Buffer     = AllocatePool(BufferSize);\r
  } else {\r
    Buffer    = NULL;\r
  }\r
\r
  Status = BlockIo->ReadBlocks(BlockIo, BlockIo->Media->MediaId, Lba, BufferSize, Buffer);\r
  if (!EFI_ERROR(Status) && Buffer != NULL) {\r
    DumpHex(2,0,BufferSize,Buffer);\r
  } else {\r
    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_READ_FAIL), gShellDebug1HiiHandle, L"BlockIo", Status);\r
    ShellStatus = SHELL_DEVICE_ERROR;\r
  }\r
\r
  if (Buffer != NULL) {\r
    FreePool(Buffer);\r
  }\r
\r
  gBS->CloseProtocol(BlockIoHandle, &gEfiBlockIoProtocolGuid, gImageHandle, NULL);\r
  return (ShellStatus);\r
}\r
\r
SHELL_STATUS\r
EFIAPI\r
ShellCommandRunDblk (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS          Status;\r
  LIST_ENTRY          *Package;\r
  CHAR16              *ProblemParam;\r
  SHELL_STATUS        ShellStatus;\r
  CONST CHAR16        *BlockName;\r
  CONST CHAR16        *LbaString;\r
  CONST CHAR16        *BlockCountString;\r
  UINT64              Lba;\r
  UINT8               BlockCount;\r
\r
  ShellStatus         = SHELL_SUCCESS;\r
  Status              = EFI_SUCCESS;\r
\r
  //\r
  // initialize the shell lib (we must be in non-auto-init...)\r
  //\r
  Status = ShellInitialize();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Status = CommandInit();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (EmptyParamList, &Package, &ProblemParam, TRUE);\r
  if (EFI_ERROR(Status)) {\r
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);\r
      FreePool(ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT(FALSE);\r
    }\r
  } else {\r
    if (ShellCommandLineGetCount(Package) > 4) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else if (ShellCommandLineGetCount(Package) < 2) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      //\r
      // Parse the params\r
      //\r
      BlockName         = ShellCommandLineGetRawValue(Package, 1);\r
      LbaString         = ShellCommandLineGetRawValue(Package, 2);\r
      BlockCountString  = ShellCommandLineGetRawValue(Package, 3);\r
\r
      if (LbaString == NULL) {\r
        Lba = 0;\r
      } else {\r
        Lba = (UINT64)StrHexToUintn(LbaString);\r
      }\r
\r
      if (BlockCountString == NULL) {\r
        BlockCount = 1;\r
      } else {\r
        BlockCount = (UINT8)StrHexToUintn(BlockCountString);\r
        if (BlockCount > 0x10) {\r
          BlockCount = 0x10;\r
        }\r
      }\r
\r
      //\r
      // do the work if we have a valid block identifier\r
      //\r
      if (mEfiShellProtocol->GetDevicePathFromMap(BlockName) == NULL) {\r
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, BlockName);\r
        ShellStatus = SHELL_INVALID_PARAMETER;\r
      } else {\r
        ShellStatus = DisplayTheBlocks(mEfiShellProtocol->GetDevicePathFromMap(BlockName), Lba, BlockCount);\r
      }\r
    }\r
\r
    ShellCommandLineFreeVarList (Package);\r
  }\r
  return (ShellStatus);\r
}\r