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

/** @file\r
  Dir for EBL (Embedded Boot Loader)\r
\r
  Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>\r
  Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
  (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r
\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
  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
  "Bin",\r
  "section",\r
  "SEC",\r
  "PeiCore",\r
  "DxeCore",\r
  "PEIM",\r
  "Driver",\r
  "Combo",\r
  "App",\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 contain 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 command name\r
\r
  @return EFI_SUCCESS\r
\r
**/\r
EFI_STATUS\r
EFIAPI\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
  CHAR8                         *TypeStr;\r
  UINTN                         TotalSize;\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
    TotalSize = 0;\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
        TotalSize += Size;\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
        TypeStr = (Type <= EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) ? gFvFileType[Type] : "UNKNOWN";\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 ("%,9d %7a %g %s\n", Size, TypeStr, &NameGuid, Section);\r
            if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
              break;\r
            }\r
          }\r
          FreePool (Section);\r
        } else {\r
          if (*MatchSubString == '\0') {\r
            AsciiPrint ("%,9d %7a %g\n", Size, TypeStr, &NameGuid);\r
            if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
              break;\r
            }\r
          }\r
        }\r
      }\r
    } while (!EFI_ERROR (GetNextFileStatus));\r
\r
    if (SearchType == EFI_FV_FILETYPE_ALL) {\r
      AsciiPrint ("%,20d bytes in files %,d bytes free\n", TotalSize, File->FvSize - File->FvHeaderSize - TotalSize);\r
    }\r
\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 command name\r
\r
  @return EFI_SUCCESS\r
\r
**/\r
EFI_STATUS\r
EFIAPI\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
Commit	Line	Data
	1	/** @file\r
	2	Dir for EBL (Embedded Boot Loader)\r
	3	\r
	4	Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>\r
	5	Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r
	6	(C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r
	7	\r
	8	\r
	9	This program and the accompanying materials\r
	10	are licensed and made available under the terms and conditions of the BSD License\r
	11	which accompanies this distribution. The full text of the license may be found at\r
	12	http://opensource.org/licenses/bsd-license.php\r
	13	\r
	14	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	15	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	16	\r
	17	Module Name: CmdTemplate.c\r
	18	\r
	19	Search/Replace Dir with the name of your new command\r
	20	\r
	21	**/\r
	22	\r
	23	#include "Ebl.h"\r
	24	\r
	25	\r
	26	GLOBAL_REMOVE_IF_UNREFERENCED CHAR8 *gFvFileType[] = {\r
	27	"All",\r
	28	"Bin",\r
	29	"section",\r
	30	"SEC",\r
	31	"PeiCore",\r
	32	"DxeCore",\r
	33	"PEIM",\r
	34	"Driver",\r
	35	"Combo",\r
	36	"App",\r
	37	"NULL",\r
	38	"FV"\r
	39	};\r
	40	\r
	41	\r
	42	/**\r
	43	Perform a dir on a device. The device must support Simple File System Protocol\r
	44	or the FV protocol.\r
	45	\r
	46	Argv[0] - "dir"\r
	47	Argv[1] - Device Name:path. Path is optional\r
	48	Argv[2] - Optional filename to match on. A leading * means match substring\r
	49	Argv[3] - Optional FV file type\r
	50	\r
	51	dir fs1:\efi ; perform a dir on fs1: device in the efi directory\r
	52	dir fs1:\efi *.efi; perform a dir on fs1: device in the efi directory but\r
	53	only print out files that contain the string *.efi\r
	54	dir fv1:\ ; perform a dir on fv1: device in the efi directory\r
	55	NOTE: fv devices do not contain subdirs\r
	56	dir fv1:\ * PEIM ; will match all files of type PEIM\r
	57	\r
	58	@param Argc Number of command arguments in Argv\r
	59	@param Argv Array of strings that represent the parsed command line.\r
	60	Argv[0] is the command name\r
	61	\r
	62	@return EFI_SUCCESS\r
	63	\r
	64	**/\r
	65	EFI_STATUS\r
	66	EFIAPI\r
	67	EblDirCmd (\r
	68	IN UINTN Argc,\r
	69	IN CHAR8 **Argv\r
	70	)\r
	71	{\r
	72	EFI_STATUS Status;\r
	73	EFI_OPEN_FILE *File;\r
	74	EFI_FILE_INFO *DirInfo;\r
	75	UINTN ReadSize;\r
	76	UINTN CurrentRow;\r
	77	CHAR16 *MatchSubString;\r
	78	EFI_STATUS GetNextFileStatus;\r
	79	UINTN Key;\r
	80	EFI_FV_FILETYPE SearchType;\r
	81	EFI_FV_FILETYPE Type;\r
	82	EFI_FV_FILE_ATTRIBUTES Attributes;\r
	83	UINTN Size;\r
	84	EFI_GUID NameGuid;\r
	85	EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;\r
	86	UINT32 AuthenticationStatus;\r
	87	VOID *Section;\r
	88	UINTN SectionSize;\r
	89	EFI_FV_FILETYPE Index;\r
	90	UINTN Length;\r
	91	UINTN BestMatchCount;\r
	92	CHAR16 UnicodeFileName[MAX_CMD_LINE];\r
	93	CHAR8 *Path;\r
	94	CHAR8 *TypeStr;\r
	95	UINTN TotalSize;\r
	96	\r
	97	\r
	98	if (Argc <= 1) {\r
	99	Path = EfiGetCwd ();\r
	100	if (Path == NULL) {\r
	101	return EFI_SUCCESS;\r
	102	}\r
	103	} else {\r
	104	Path = Argv[1];\r
	105	}\r
	106	\r
	107	File = EfiOpen (Path, EFI_FILE_MODE_READ, 0);\r
	108	if (File == NULL) {\r
	109	return EFI_SUCCESS;\r
	110	}\r
	111	\r
	112	if (File->Type == EfiOpenFirmwareVolume) {\r
	113	// FV Dir\r
	114	\r
	115	SearchType = EFI_FV_FILETYPE_ALL;\r
	116	UnicodeFileName[0] = '\0';\r
	117	MatchSubString = &UnicodeFileName[0];\r
	118	if (Argc > 2) {\r
	119	AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);\r
	120	if (UnicodeFileName[0] == '*') {\r
	121	// Handle *Name substring matching\r
	122	MatchSubString = &UnicodeFileName[1];\r
	123	}\r
	124	\r
	125	// Handle file type matchs\r
	126	if (Argc > 3) {\r
	127	// match a specific file type, always last argument\r
	128	Length = AsciiStrLen (Argv[3]);\r
	129	for (Index = 1, BestMatchCount = 0; Index < sizeof (gFvFileType)/sizeof (CHAR8 *); Index++) {\r
	130	if (AsciiStriCmp (gFvFileType[Index], Argv[3]) == 0) {\r
	131	// exact match\r
	132	SearchType = Index;\r
	133	break;\r
	134	}\r
	135	\r
	136	if (AsciiStrniCmp (Argv[3], gFvFileType[Index], Length) == 0) {\r
	137	// partial match, so keep looking to make sure there is only one partial match\r
	138	BestMatchCount++;\r
	139	SearchType = Index;\r
	140	}\r
	141	}\r
	142	\r
	143	if (BestMatchCount > 1) {\r
	144	SearchType = EFI_FV_FILETYPE_ALL;\r
	145	}\r
	146	}\r
	147	}\r
	148	\r
	149	TotalSize = 0;\r
	150	Fv = File->Fv;\r
	151	Key = 0;\r
	152	CurrentRow = 0;\r
	153	do {\r
	154	Type = SearchType;\r
	155	GetNextFileStatus = Fv->GetNextFile (\r
	156	Fv,\r
	157	&Key,\r
	158	&Type,\r
	159	&NameGuid,\r
	160	&Attributes,\r
	161	&Size\r
	162	);\r
	163	if (!EFI_ERROR (GetNextFileStatus)) {\r
	164	TotalSize += Size;\r
	165	// Calculate size of entire file\r
	166	Section = NULL;\r
	167	Size = 0;\r
	168	Status = Fv->ReadFile (\r
	169	Fv,\r
	170	&NameGuid,\r
	171	Section,\r
	172	&Size,\r
	173	&Type,\r
	174	&Attributes,\r
	175	&AuthenticationStatus\r
	176	);\r
	177	if (!((Status == EFI_BUFFER_TOO_SMALL) \|\| !EFI_ERROR (Status))) {\r
	178	// EFI_SUCCESS or EFI_BUFFER_TOO_SMALL mean size is valid\r
	179	Size = 0;\r
	180	}\r
	181	\r
	182	TypeStr = (Type <= EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) ? gFvFileType[Type] : "UNKNOWN";\r
	183	\r
	184	// read the UI seciton to do a name match.\r
	185	Section = NULL;\r
	186	Status = Fv->ReadSection (\r
	187	Fv,\r
	188	&NameGuid,\r
	189	EFI_SECTION_USER_INTERFACE,\r
	190	0,\r
	191	&Section,\r
	192	&SectionSize,\r
	193	&AuthenticationStatus\r
	194	);\r
	195	if (!EFI_ERROR (Status)) {\r
	196	if (StrStr (Section, MatchSubString) != NULL) {\r
	197	AsciiPrint ("%,9d %7a %g %s\n", Size, TypeStr, &NameGuid, Section);\r
	198	if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
	199	break;\r
	200	}\r
	201	}\r
	202	FreePool (Section);\r
	203	} else {\r
	204	if (*MatchSubString == '\0') {\r
	205	AsciiPrint ("%,9d %7a %g\n", Size, TypeStr, &NameGuid);\r
	206	if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
	207	break;\r
	208	}\r
	209	}\r
	210	}\r
	211	}\r
	212	} while (!EFI_ERROR (GetNextFileStatus));\r
	213	\r
	214	if (SearchType == EFI_FV_FILETYPE_ALL) {\r
	215	AsciiPrint ("%,20d bytes in files %,d bytes free\n", TotalSize, File->FvSize - File->FvHeaderSize - TotalSize);\r
	216	}\r
	217	\r
	218	\r
	219	} else if ((File->Type == EfiOpenFileSystem) \|\| (File->Type == EfiOpenBlockIo)) {\r
	220	// Simple File System DIR\r
	221	\r
	222	if (File->FsFileInfo == NULL) {\r
	223	return EFI_SUCCESS;\r
	224	}\r
	225	\r
	226	if (!(File->FsFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r
	227	return EFI_SUCCESS;\r
	228	}\r
	229	\r
	230	// Handle *Name substring matching\r
	231	MatchSubString = NULL;\r
	232	UnicodeFileName[0] = '\0';\r
	233	if (Argc > 2) {\r
	234	AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);\r
	235	if (UnicodeFileName[0] == '*') {\r
	236	MatchSubString = &UnicodeFileName[1];\r
	237	}\r
	238	}\r
	239	\r
	240	File->FsFileHandle->SetPosition (File->FsFileHandle, 0);\r
	241	for (CurrentRow = 0;;) {\r
	242	// First read gets the size\r
	243	DirInfo = NULL;\r
	244	ReadSize = 0;\r
	245	Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);\r
	246	if (Status == EFI_BUFFER_TOO_SMALL) {\r
	247	// Allocate the buffer for the real read\r
	248	DirInfo = AllocatePool (ReadSize);\r
	249	if (DirInfo == NULL) {\r
	250	goto Done;\r
	251	}\r
	252	\r
	253	// Read the data\r
	254	Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);\r
	255	if ((EFI_ERROR (Status)) \|\| (ReadSize == 0)) {\r
	256	break;\r
	257	}\r
	258	} else {\r
	259	break;\r
	260	}\r
	261	\r
	262	if (MatchSubString != NULL) {\r
	263	if (StrStr (&DirInfo->FileName[0], MatchSubString) == NULL) {\r
	264	// does not match *name argument, so skip\r
	265	continue;\r
	266	}\r
	267	} else if (UnicodeFileName[0] != '\0') {\r
	268	// is not an exact match for name argument, so skip\r
	269	if (StrCmp (&DirInfo->FileName[0], UnicodeFileName) != 0) {\r
	270	continue;\r
	271	}\r
	272	}\r
	273	\r
	274	if (DirInfo->Attribute & EFI_FILE_DIRECTORY) {\r
	275	AsciiPrint (" <DIR> %s\n", &DirInfo->FileName[0]);\r
	276	} else {\r
	277	AsciiPrint ("%,14ld %s\n", DirInfo->FileSize, &DirInfo->FileName[0]);\r
	278	}\r
	279	\r
	280	if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
	281	break;\r
	282	}\r
	283	\r
	284	FreePool (DirInfo);\r
	285	}\r
	286	\r
	287	Done:\r
	288	if (DirInfo != NULL) {\r
	289	FreePool (DirInfo);\r
	290	}\r
	291	}\r
	292	\r
	293	EfiClose (File);\r
	294	\r
	295	return EFI_SUCCESS;\r
	296	}\r
	297	\r
	298	/**\r
	299	Change the Current Working Directory\r
	300	\r
	301	Argv[0] - "cd"\r
	302	Argv[1] - Device Name:path. Path is optional\r
	303	\r
	304	@param Argc Number of command arguments in Argv\r
	305	@param Argv Array of strings that represent the parsed command line.\r
	306	Argv[0] is the command name\r
	307	\r
	308	@return EFI_SUCCESS\r
	309	\r
	310	**/\r
	311	EFI_STATUS\r
	312	EFIAPI\r
	313	EblCdCmd (\r
	314	IN UINTN Argc,\r
	315	IN CHAR8 **Argv\r
	316	)\r
	317	{\r
	318	if (Argc <= 1) {\r
	319	return EFI_SUCCESS;\r
	320	}\r
	321	\r
	322	return EfiSetCwd (Argv[1]);\r
	323	}\r
	324	\r
	325	\r
	326	\r
	327	GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mCmdDirTemplate[] =\r
	328	{\r
	329	{\r
	330	"dir",\r
	331	" dirdev [*match]; directory listing of dirdev. opt match a substring",\r
	332	NULL,\r
	333	EblDirCmd\r
	334	},\r
	335	{\r
	336	"cd",\r
	337	" device - set the current working directory",\r
	338	NULL,\r
	339	EblCdCmd\r
	340	}\r
	341	};\r
	342	\r
	343	\r
	344	/**\r
	345	Initialize the commands in this in this file\r
	346	**/\r
	347	VOID\r
	348	EblInitializeDirCmd (\r
	349	VOID\r
	350	)\r
	351	{\r
	352	if (FeaturePcdGet (PcdEmbeddedDirCmd)) {\r
	353	EblAddCommands (mCmdDirTemplate, sizeof (mCmdDirTemplate)/sizeof (EBL_COMMAND_TABLE));\r
	354	}\r
	355	}\r
	356	\r