Add CWD and thus a cd command to EBL shell. Fix WatchdogTimout code in EBL, it was...

[mirror_edk2.git] / EmbeddedPkg / Ebl / Dir.c

/** @file\r
  Dir for EBL (Embedded Boot Loader)\r
\r
  Copyright (c) 2007, Intel Corporation<BR>\r
  Portions copyright (c) 2008-2009, Apple Inc. All rights reserved.\r
\r
\r
  All rights reserved. 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
  Module Name:  CmdTemplate.c\r
\r
  Search/Replace Dir with the name of your new command\r
\r
**/\r
\r
#include "Ebl.h"\r
\r
\r
GLOBAL_REMOVE_IF_UNREFERENCED   CHAR8 *gFvFileType[] = {\r
  "All",\r
  "Raw",\r
  "Freeform",\r
  "SEC",\r
  "PeiCore",\r
  "DxeCore",\r
  "PEIM",\r
  "Driver",\r
  "Combo Driver",\r
  "Application",\r
  "NULL",\r
  "FV"\r
};\r
\r
\r
/**\r
  Perform a dir on a device. The device must support Simple File System Protocol\r
  or the FV protocol. \r
\r
  Argv[0] - "dir"\r
  Argv[1] - Device Name:path. Path is optional \r
  Argv[2] - Optional filename to match on. A leading * means match substring\r
  Argv[3] - Optional FV file type\r
\r
  dir fs1:\efi      ; perform a dir on fs1: device in the efi directory\r
  dir fs1:\efi *.efi; perform a dir on fs1: device in the efi directory but \r
                      only print out files that contain the string *.efi\r
  dir fv1:\         ; perform a dir on fv1: device in the efi directory \r
                    NOTE: fv devices do not contian subdirs \r
  dir fv1:\ * PEIM  ; will match all files of type PEIM\r
\r
  @param  Argc   Number of command arguments in Argv\r
  @param  Argv   Array of strings that represent the parsed command line. \r
                 Argv[0] is the comamnd name\r
\r
  @return EFI_SUCCESS\r
\r
**/\r
EFI_STATUS\r
EblDirCmd (\r
  IN UINTN  Argc,\r
  IN CHAR8  **Argv\r
  )\r
{\r
  EFI_STATUS                    Status;\r
  EFI_OPEN_FILE                 *File;\r
  EFI_FILE_INFO                 *DirInfo;\r
  UINTN                         ReadSize;\r
  UINTN                         CurrentRow;  \r
  CHAR16                        *MatchSubString;\r
  EFI_STATUS                    GetNextFileStatus;\r
  UINTN                         Key;\r
  EFI_FV_FILETYPE               SearchType;\r
  EFI_FV_FILETYPE               Type;\r
  EFI_FV_FILE_ATTRIBUTES        Attributes;\r
  UINTN                         Size;\r
  EFI_GUID                      NameGuid;\r
  EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;\r
  UINT32                        AuthenticationStatus;\r
  VOID                          *Section;\r
  UINTN                         SectionSize;\r
  EFI_FV_FILETYPE               Index;\r
  UINTN                         Length;\r
  UINTN                         BestMatchCount;\r
  CHAR16                        UnicodeFileName[MAX_CMD_LINE];\r
  CHAR8                         *Path;\r
\r
\r
  if (Argc <= 1) {\r
    Path = EfiGetCwd ();\r
    if (Path == NULL) {\r
      return EFI_SUCCESS;\r
    }\r
  } else {\r
    Path = Argv[1];\r
  }\r
\r
  File = EfiOpen (Path, EFI_FILE_MODE_READ, 0);\r
  if (File == NULL) {\r
    return EFI_SUCCESS;\r
  }\r
\r
  if (File->Type == EfiOpenFirmwareVolume) {\r
    // FV Dir\r
\r
    SearchType = EFI_FV_FILETYPE_ALL;\r
    UnicodeFileName[0] = '\0';\r
    MatchSubString = &UnicodeFileName[0];\r
    if (Argc > 2) {\r
      AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);\r
      if (UnicodeFileName[0] == '*') {\r
        // Handle *Name substring matching\r
        MatchSubString = &UnicodeFileName[1];\r
      }\r
\r
      // Handle file type matchs\r
      if (Argc > 3) {\r
        // match a specific file type, always last argument\r
        Length = AsciiStrLen (Argv[3]);\r
        for (Index = 1, BestMatchCount = 0; Index < sizeof (gFvFileType)/sizeof (CHAR8 *); Index++) {\r
          if (AsciiStriCmp (gFvFileType[Index], Argv[3]) == 0) {\r
            // exact match\r
            SearchType = Index;\r
            break;\r
          }\r
\r
          if (AsciiStrniCmp (Argv[3], gFvFileType[Index], Length) == 0) {\r
            // partial match, so keep looking to make sure there is only one partial match\r
            BestMatchCount++;\r
            SearchType = Index;\r
          }\r
        }\r
\r
        if (BestMatchCount > 1) {\r
          SearchType = EFI_FV_FILETYPE_ALL;\r
        }\r
      }\r
    }\r
\r
    Fv = File->Fv;\r
    Key = 0;\r
    CurrentRow = 0;\r
    do {\r
      Type = SearchType;\r
      GetNextFileStatus = Fv->GetNextFile (\r
                                Fv, \r
                                &Key,\r
                                &Type,  \r
                                &NameGuid, \r
                                &Attributes, \r
                                &Size\r
                                );\r
      if (!EFI_ERROR (GetNextFileStatus)) {\r
         // Calculate size of entire file\r
         Section = NULL;\r
         Size = 0;\r
         Status = Fv->ReadFile (\r
                      Fv,\r
                      &NameGuid, \r
                      Section,\r
                      &Size,\r
                      &Type,\r
                      &Attributes,\r
                      &AuthenticationStatus\r
                      );\r
         if (!((Status == EFI_BUFFER_TOO_SMALL) || !EFI_ERROR (Status))) {\r
          // EFI_SUCCESS or EFI_BUFFER_TOO_SMALL mean size is valid \r
          Size = 0;\r
         }\r
\r
        // read the UI seciton to do a name match.\r
        Section = NULL;\r
        Status = Fv->ReadSection (\r
                        Fv,\r
                        &NameGuid,\r
                        EFI_SECTION_USER_INTERFACE,\r
                        0,\r
                        &Section,\r
                        &SectionSize,\r
                        &AuthenticationStatus\r
                        );\r
        if (!EFI_ERROR (Status)) {\r
          if (StrStr (Section, MatchSubString) != NULL) {\r
            AsciiPrint ("  %g %s %a %,d\n", &NameGuid, Section, gFvFileType[Type], Size);\r
            if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
              break;\r
            }\r
          }\r
          FreePool (Section);\r
        } else {\r
          if (*MatchSubString == '\0') {\r
            AsciiPrint ("  %g %a %,d\n", &NameGuid, gFvFileType[Type], Size);\r
            if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
              break;\r
            }\r
          }\r
        }\r
      }\r
    } while (!EFI_ERROR (GetNextFileStatus));\r
       \r
  } else if ((File->Type == EfiOpenFileSystem) || (File->Type == EfiOpenBlockIo)) {\r
    // Simple File System DIR\r
\r
    if (File->FsFileInfo ==  NULL) {\r
      return EFI_SUCCESS;\r
    }\r
\r
    if (!(File->FsFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r
      return EFI_SUCCESS;\r
    }\r
\r
    // Handle *Name substring matching\r
    MatchSubString = NULL;\r
    UnicodeFileName[0] = '\0';\r
    if (Argc > 2) {\r
      AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);\r
      if (UnicodeFileName[0] == '*') {\r
        MatchSubString = &UnicodeFileName[1];\r
      }\r
    } \r
\r
    File->FsFileHandle->SetPosition (File->FsFileHandle, 0);\r
    for (CurrentRow = 0;;) {\r
      // First read gets the size\r
      DirInfo = NULL;\r
      ReadSize = 0;\r
      Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);\r
      if (Status == EFI_BUFFER_TOO_SMALL) {\r
        // Allocate the buffer for the real read\r
        DirInfo = AllocatePool (ReadSize);\r
        if (DirInfo == NULL) {\r
          goto Done;\r
        }\r
        \r
        // Read the data\r
        Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);\r
        if ((EFI_ERROR (Status)) || (ReadSize == 0)) {\r
          break;\r
        }\r
      } else {\r
        break;\r
      }\r
      \r
      if (MatchSubString != NULL) {\r
        if (StrStr (&DirInfo->FileName[0], MatchSubString) == NULL) {\r
          // does not match *name argument, so skip\r
          continue;\r
        }\r
      } else if (UnicodeFileName[0] != '\0') {\r
        // is not an exact match for name argument, so skip\r
        if (StrCmp (&DirInfo->FileName[0], UnicodeFileName) != 0) {\r
          continue;\r
        }\r
      }\r
\r
      if (DirInfo->Attribute & EFI_FILE_DIRECTORY) {\r
        AsciiPrint ("         <DIR> %s\n", &DirInfo->FileName[0]);\r
      } else {\r
        AsciiPrint ("%,14ld %s\n", DirInfo->FileSize, &DirInfo->FileName[0]);\r
      }\r
\r
      if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
        break;\r
      }\r
      \r
      FreePool (DirInfo);\r
    }\r
\r
Done:\r
    if (DirInfo != NULL) {\r
      FreePool (DirInfo);\r
    }\r
  }\r
\r
  EfiClose (File);\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Change the Current Working Directory\r
\r
  Argv[0] - "cd"\r
  Argv[1] - Device Name:path. Path is optional \r
\r
  @param  Argc   Number of command arguments in Argv\r
  @param  Argv   Array of strings that represent the parsed command line. \r
                 Argv[0] is the comamnd name\r
\r
  @return EFI_SUCCESS\r
\r
**/\r
EFI_STATUS\r
EblCdCmd (\r
  IN UINTN  Argc,\r
  IN CHAR8  **Argv\r
  )\r
{\r
  if (Argc <= 1) {\r
    return EFI_SUCCESS;\r
  } \r
  \r
  return EfiSetCwd (Argv[1]);\r
}\r
\r
\r
\r
GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mCmdDirTemplate[] =\r
{\r
  {\r
    "dir",\r
    " dirdev [*match]; directory listing of dirdev. opt match a substring",\r
    NULL,\r
    EblDirCmd\r
  },\r
  {\r
    "cd",\r
    " device - set the current working directory",\r
    NULL,\r
    EblCdCmd\r
  }\r
};\r
\r
\r
/**\r
  Initialize the commands in this in this file\r
**/\r
VOID\r
EblInitializeDirCmd (\r
  VOID\r
  )\r
{  \r
  if (FeaturePcdGet (PcdEmbeddedDirCmd)) {\r
    EblAddCommands (mCmdDirTemplate, sizeof (mCmdDirTemplate)/sizeof (EBL_COMMAND_TABLE));\r
  }\r
}\r
\r