[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
  "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 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
  CHAR8                         *TypeStr;\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
        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 ("%,6d %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 ("%,6d %7a %g\n", Size, TypeStr, &NameGuid);\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
Commit	Line	Data
2ef2b01e A	1	/** @file\r
	2	Dir for EBL (Embedded Boot Loader)\r
	3	\r
	4	Copyright (c) 2007, Intel Corporation<BR>\r
	5	Portions copyright (c) 2008-2009, Apple Inc. All rights reserved.\r
	6	\r
	7	\r
	8	All rights reserved. This program and the accompanying materials\r
	9	are licensed and made available under the terms and conditions of the BSD License\r
	10	which accompanies this distribution. The full text of the license may be found at\r
	11	http://opensource.org/licenses/bsd-license.php\r
	12	\r
	13	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	14	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	15	\r
	16	Module Name: CmdTemplate.c\r
	17	\r
	18	Search/Replace Dir with the name of your new command\r
	19	\r
	20	**/\r
	21	\r
	22	#include "Ebl.h"\r
	23	\r
	24	\r
	25	GLOBAL_REMOVE_IF_UNREFERENCED CHAR8 *gFvFileType[] = {\r
	26	"All",\r
3575301c	27	"Bin",\r
3575301c	28	"section",\r
2ef2b01e A	29	"SEC",\r
	30	"PeiCore",\r
	31	"DxeCore",\r
	32	"PEIM",\r
	33	"Driver",\r
3575301c	34	"Combo",\r
3575301c	35	"App",\r
2ef2b01e A	36	"NULL",\r
	37	"FV"\r
	38	};\r
	39	\r
	40	\r
	41	/**\r
	42	Perform a dir on a device. The device must support Simple File System Protocol\r
	43	or the FV protocol. \r
	44	\r
	45	Argv[0] - "dir"\r
	46	Argv[1] - Device Name:path. Path is optional \r
	47	Argv[2] - Optional filename to match on. A leading * means match substring\r
	48	Argv[3] - Optional FV file type\r
	49	\r
	50	dir fs1:\efi ; perform a dir on fs1: device in the efi directory\r
	51	dir fs1:\efi *.efi; perform a dir on fs1: device in the efi directory but \r
	52	only print out files that contain the string *.efi\r
	53	dir fv1:\ ; perform a dir on fv1: device in the efi directory \r
	54	NOTE: fv devices do not contian subdirs \r
16ccac42	55	dir fv1:\ * PEIM ; will match all files of type PEIM\r
2ef2b01e A	56	\r
	57	@param Argc Number of command arguments in Argv\r
	58	@param Argv Array of strings that represent the parsed command line. \r
	59	Argv[0] is the comamnd name\r
	60	\r
	61	@return EFI_SUCCESS\r
	62	\r
	63	**/\r
	64	EFI_STATUS\r
	65	EblDirCmd (\r
	66	IN UINTN Argc,\r
	67	IN CHAR8 **Argv\r
	68	)\r
	69	{\r
	70	EFI_STATUS Status;\r
	71	EFI_OPEN_FILE *File;\r
	72	EFI_FILE_INFO *DirInfo;\r
	73	UINTN ReadSize;\r
	74	UINTN CurrentRow; \r
	75	CHAR16 *MatchSubString;\r
	76	EFI_STATUS GetNextFileStatus;\r
	77	UINTN Key;\r
	78	EFI_FV_FILETYPE SearchType;\r
	79	EFI_FV_FILETYPE Type;\r
	80	EFI_FV_FILE_ATTRIBUTES Attributes;\r
	81	UINTN Size;\r
	82	EFI_GUID NameGuid;\r
	83	EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;\r
	84	UINT32 AuthenticationStatus;\r
	85	VOID *Section;\r
	86	UINTN SectionSize;\r
	87	EFI_FV_FILETYPE Index;\r
	88	UINTN Length;\r
	89	UINTN BestMatchCount;\r
	90	CHAR16 UnicodeFileName[MAX_CMD_LINE];\r
16ccac42	91	CHAR8 *Path;\r
3575301c	92	CHAR8 *TypeStr;\r
2ef2b01e A	93	\r
	94	\r
	95	if (Argc <= 1) {\r
16ccac42	96	Path = EfiGetCwd ();\r
	97	if (Path == NULL) {\r
	98	return EFI_SUCCESS;\r
	99	}\r
	100	} else {\r
	101	Path = Argv[1];\r
2ef2b01e A	102	}\r
2ef2b01e A	103	\r
16ccac42	104	File = EfiOpen (Path, EFI_FILE_MODE_READ, 0);\r
2ef2b01e A	105	if (File == NULL) {\r
	106	return EFI_SUCCESS;\r
	107	}\r
	108	\r
	109	if (File->Type == EfiOpenFirmwareVolume) {\r
	110	// FV Dir\r
	111	\r
	112	SearchType = EFI_FV_FILETYPE_ALL;\r
	113	UnicodeFileName[0] = '\0';\r
	114	MatchSubString = &UnicodeFileName[0];\r
	115	if (Argc > 2) {\r
	116	AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);\r
	117	if (UnicodeFileName[0] == '*') {\r
	118	// Handle *Name substring matching\r
	119	MatchSubString = &UnicodeFileName[1];\r
	120	}\r
	121	\r
	122	// Handle file type matchs\r
	123	if (Argc > 3) {\r
	124	// match a specific file type, always last argument\r
	125	Length = AsciiStrLen (Argv[3]);\r
	126	for (Index = 1, BestMatchCount = 0; Index < sizeof (gFvFileType)/sizeof (CHAR8 *); Index++) {\r
	127	if (AsciiStriCmp (gFvFileType[Index], Argv[3]) == 0) {\r
	128	// exact match\r
	129	SearchType = Index;\r
	130	break;\r
	131	}\r
	132	\r
	133	if (AsciiStrniCmp (Argv[3], gFvFileType[Index], Length) == 0) {\r
	134	// partial match, so keep looking to make sure there is only one partial match\r
	135	BestMatchCount++;\r
	136	SearchType = Index;\r
	137	}\r
	138	}\r
	139	\r
	140	if (BestMatchCount > 1) {\r
	141	SearchType = EFI_FV_FILETYPE_ALL;\r
	142	}\r
	143	}\r
	144	}\r
	145	\r
	146	Fv = File->Fv;\r
	147	Key = 0;\r
	148	CurrentRow = 0;\r
	149	do {\r
	150	Type = SearchType;\r
	151	GetNextFileStatus = Fv->GetNextFile (\r
	152	Fv, \r
	153	&Key,\r
	154	&Type, \r
	155	&NameGuid, \r
	156	&Attributes, \r
	157	&Size\r
	158	);\r
	159	if (!EFI_ERROR (GetNextFileStatus)) {\r
3575301c	160	// Calculate size of entire file\r
	161	Section = NULL;\r
	162	Size = 0;\r
	163	Status = Fv->ReadFile (\r
2ef2b01e A	164	Fv,\r
	165	&NameGuid, \r
	166	Section,\r
	167	&Size,\r
	168	&Type,\r
	169	&Attributes,\r
	170	&AuthenticationStatus\r
	171	);\r
3575301c	172	if (!((Status == EFI_BUFFER_TOO_SMALL) \|\| !EFI_ERROR (Status))) {\r
	173	// EFI_SUCCESS or EFI_BUFFER_TOO_SMALL mean size is valid \r
	174	Size = 0;\r
	175	}\r
	176	\r
	177	TypeStr = (Type <= EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) ? gFvFileType[Type] : "UNKNOWN";\r
2ef2b01e A	178	\r
	179	// read the UI seciton to do a name match.\r
	180	Section = NULL;\r
	181	Status = Fv->ReadSection (\r
	182	Fv,\r
	183	&NameGuid,\r
	184	EFI_SECTION_USER_INTERFACE,\r
	185	0,\r
	186	&Section,\r
	187	&SectionSize,\r
	188	&AuthenticationStatus\r
	189	);\r
	190	if (!EFI_ERROR (Status)) {\r
	191	if (StrStr (Section, MatchSubString) != NULL) {\r
3575301c	192	AsciiPrint ("%,6d %7a %g %s\n", Size, TypeStr, &NameGuid, Section);\r
2ef2b01e A	193	if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
	194	break;\r
	195	}\r
	196	}\r
	197	FreePool (Section);\r
	198	} else {\r
	199	if (*MatchSubString == '\0') {\r
3575301c	200	AsciiPrint ("%,6d %7a %g\n", Size, TypeStr, &NameGuid);\r
2ef2b01e A	201	if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
	202	break;\r
	203	}\r
	204	}\r
	205	}\r
	206	}\r
	207	} while (!EFI_ERROR (GetNextFileStatus));\r
	208	\r
	209	} else if ((File->Type == EfiOpenFileSystem) \|\| (File->Type == EfiOpenBlockIo)) {\r
	210	// Simple File System DIR\r
	211	\r
	212	if (File->FsFileInfo == NULL) {\r
	213	return EFI_SUCCESS;\r
	214	}\r
	215	\r
	216	if (!(File->FsFileInfo->Attribute & EFI_FILE_DIRECTORY)) {\r
	217	return EFI_SUCCESS;\r
	218	}\r
	219	\r
	220	// Handle *Name substring matching\r
	221	MatchSubString = NULL;\r
	222	UnicodeFileName[0] = '\0';\r
	223	if (Argc > 2) {\r
	224	AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);\r
	225	if (UnicodeFileName[0] == '*') {\r
	226	MatchSubString = &UnicodeFileName[1];\r
	227	}\r
	228	} \r
	229	\r
	230	File->FsFileHandle->SetPosition (File->FsFileHandle, 0);\r
	231	for (CurrentRow = 0;;) {\r
	232	// First read gets the size\r
	233	DirInfo = NULL;\r
	234	ReadSize = 0;\r
	235	Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);\r
	236	if (Status == EFI_BUFFER_TOO_SMALL) {\r
	237	// Allocate the buffer for the real read\r
	238	DirInfo = AllocatePool (ReadSize);\r
	239	if (DirInfo == NULL) {\r
	240	goto Done;\r
	241	}\r
	242	\r
	243	// Read the data\r
	244	Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);\r
	245	if ((EFI_ERROR (Status)) \|\| (ReadSize == 0)) {\r
	246	break;\r
	247	}\r
	248	} else {\r
	249	break;\r
	250	}\r
	251	\r
	252	if (MatchSubString != NULL) {\r
	253	if (StrStr (&DirInfo->FileName[0], MatchSubString) == NULL) {\r
	254	// does not match *name argument, so skip\r
	255	continue;\r
	256	}\r
	257	} else if (UnicodeFileName[0] != '\0') {\r
	258	// is not an exact match for name argument, so skip\r
	259	if (StrCmp (&DirInfo->FileName[0], UnicodeFileName) != 0) {\r
	260	continue;\r
	261	}\r
	262	}\r
	263	\r
	264	if (DirInfo->Attribute & EFI_FILE_DIRECTORY) {\r
265	AsciiPrint (" <DIR> %s\n", &DirInfo->FileName[0]);\r
266	} else {\r
267	AsciiPrint ("%,14ld %s\n", DirInfo->FileSize, &DirInfo->FileName[0]);\r
268	}\r
269	\r
270	if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {\r
271	break;\r
272	}\r
273	\r
274	FreePool (DirInfo);\r
275	}\r
276	\r
277	Done:\r
278	if (DirInfo != NULL) {\r
279	FreePool (DirInfo);\r
280	}\r
281	}\r
282	\r
283	EfiClose (File);\r
284	\r
285	return EFI_SUCCESS;\r
286	}\r
287	\r
16ccac42	288	/**\r
	289	Change the Current Working Directory\r
	290	\r
	291	Argv[0] - "cd"\r
	292	Argv[1] - Device Name:path. Path is optional \r
	293	\r
	294	@param Argc Number of command arguments in Argv\r
	295	@param Argv Array of strings that represent the parsed command line. \r
	296	Argv[0] is the comamnd name\r
	297	\r
	298	@return EFI_SUCCESS\r
	299	\r
	300	**/\r
	301	EFI_STATUS\r
	302	EblCdCmd (\r
	303	IN UINTN Argc,\r
	304	IN CHAR8 **Argv\r
	305	)\r
	306	{\r
	307	if (Argc <= 1) {\r
	308	return EFI_SUCCESS;\r
	309	} \r
	310	\r
	311	return EfiSetCwd (Argv[1]);\r
	312	}\r
	313	\r
2ef2b01e A	314	\r
	315	\r
	316	GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mCmdDirTemplate[] =\r
	317	{\r
	318	{\r
	319	"dir",\r
	320	" dirdev [*match]; directory listing of dirdev. opt match a substring",\r
	321	NULL,\r
	322	EblDirCmd\r
16ccac42	323	},\r
	324	{\r
	325	"cd",\r
	326	" device - set the current working directory",\r
	327	NULL,\r
	328	EblCdCmd\r
2ef2b01e A	329	}\r
	330	};\r
	331	\r
	332	\r
	333	/**\r
	334	Initialize the commands in this in this file\r
	335	**/\r
	336	VOID\r
	337	EblInitializeDirCmd (\r
	338	VOID\r
	339	)\r
	340	{ \r
	341	if (FeaturePcdGet (PcdEmbeddedDirCmd)) {\r
	342	EblAddCommands (mCmdDirTemplate, sizeof (mCmdDirTemplate)/sizeof (EBL_COMMAND_TABLE));\r
	343	}\r
	344	}\r
	345	\r