summaryrefslogtreecommitdiff
path: root/EmbeddedPkg/Ebl/Dir.c
blob: 5e28ecf61a0bbd3a28b4ce371a2bded406669006 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
/** @file
  Dir for EBL (Embedded Boot Loader)

  Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
  Portions copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>


  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

  Module Name:  CmdTemplate.c

  Search/Replace Dir with the name of your new command

**/

#include "Ebl.h"


GLOBAL_REMOVE_IF_UNREFERENCED   CHAR8 *gFvFileType[] = {
  "All",
  "Bin",
  "section",
  "SEC",
  "PeiCore",
  "DxeCore",
  "PEIM",
  "Driver",
  "Combo",
  "App",
  "NULL",
  "FV"
};


/**
  Perform a dir on a device. The device must support Simple File System Protocol
  or the FV protocol. 

  Argv[0] - "dir"
  Argv[1] - Device Name:path. Path is optional 
  Argv[2] - Optional filename to match on. A leading * means match substring
  Argv[3] - Optional FV file type

  dir fs1:\efi      ; perform a dir on fs1: device in the efi directory
  dir fs1:\efi *.efi; perform a dir on fs1: device in the efi directory but 
                      only print out files that contain the string *.efi
  dir fv1:\         ; perform a dir on fv1: device in the efi directory 
                    NOTE: fv devices do not contain subdirs
  dir fv1:\ * PEIM  ; will match all files of type PEIM

  @param  Argc   Number of command arguments in Argv
  @param  Argv   Array of strings that represent the parsed command line. 
                 Argv[0] is the command name

  @return EFI_SUCCESS

**/
EFI_STATUS
EblDirCmd (
  IN UINTN  Argc,
  IN CHAR8  **Argv
  )
{
  EFI_STATUS                    Status;
  EFI_OPEN_FILE                 *File;
  EFI_FILE_INFO                 *DirInfo;
  UINTN                         ReadSize;
  UINTN                         CurrentRow;  
  CHAR16                        *MatchSubString;
  EFI_STATUS                    GetNextFileStatus;
  UINTN                         Key;
  EFI_FV_FILETYPE               SearchType;
  EFI_FV_FILETYPE               Type;
  EFI_FV_FILE_ATTRIBUTES        Attributes;
  UINTN                         Size;
  EFI_GUID                      NameGuid;
  EFI_FIRMWARE_VOLUME2_PROTOCOL *Fv;
  UINT32                        AuthenticationStatus;
  VOID                          *Section;
  UINTN                         SectionSize;
  EFI_FV_FILETYPE               Index;
  UINTN                         Length;
  UINTN                         BestMatchCount;
  CHAR16                        UnicodeFileName[MAX_CMD_LINE];
  CHAR8                         *Path;
  CHAR8                         *TypeStr;
  UINTN                         TotalSize;


  if (Argc <= 1) {
    Path = EfiGetCwd ();
    if (Path == NULL) {
      return EFI_SUCCESS;
    }
  } else {
    Path = Argv[1];
  }

  File = EfiOpen (Path, EFI_FILE_MODE_READ, 0);
  if (File == NULL) {
    return EFI_SUCCESS;
  }

  if (File->Type == EfiOpenFirmwareVolume) {
    // FV Dir

    SearchType = EFI_FV_FILETYPE_ALL;
    UnicodeFileName[0] = '\0';
    MatchSubString = &UnicodeFileName[0];
    if (Argc > 2) {
      AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);
      if (UnicodeFileName[0] == '*') {
        // Handle *Name substring matching
        MatchSubString = &UnicodeFileName[1];
      }

      // Handle file type matchs
      if (Argc > 3) {
        // match a specific file type, always last argument
        Length = AsciiStrLen (Argv[3]);
        for (Index = 1, BestMatchCount = 0; Index < sizeof (gFvFileType)/sizeof (CHAR8 *); Index++) {
          if (AsciiStriCmp (gFvFileType[Index], Argv[3]) == 0) {
            // exact match
            SearchType = Index;
            break;
          }

          if (AsciiStrniCmp (Argv[3], gFvFileType[Index], Length) == 0) {
            // partial match, so keep looking to make sure there is only one partial match
            BestMatchCount++;
            SearchType = Index;
          }
        }

        if (BestMatchCount > 1) {
          SearchType = EFI_FV_FILETYPE_ALL;
        }
      }
    }

    TotalSize = 0;
    Fv = File->Fv;
    Key = 0;
    CurrentRow = 0;
    do {
      Type = SearchType;
      GetNextFileStatus = Fv->GetNextFile (
                                Fv, 
                                &Key,
                                &Type,  
                                &NameGuid, 
                                &Attributes, 
                                &Size
                                );
      if (!EFI_ERROR (GetNextFileStatus)) {
        TotalSize += Size;
        // Calculate size of entire file
        Section = NULL;
        Size = 0;
        Status = Fv->ReadFile (
                      Fv,
                      &NameGuid, 
                      Section,
                      &Size,
                      &Type,
                      &Attributes,
                      &AuthenticationStatus
                      );
        if (!((Status == EFI_BUFFER_TOO_SMALL) || !EFI_ERROR (Status))) {
          // EFI_SUCCESS or EFI_BUFFER_TOO_SMALL mean size is valid 
          Size = 0;
        }
        
        TypeStr = (Type <= EFI_FV_FILETYPE_FIRMWARE_VOLUME_IMAGE) ? gFvFileType[Type] : "UNKNOWN";

        // read the UI seciton to do a name match.
        Section = NULL;
        Status = Fv->ReadSection (
                        Fv,
                        &NameGuid,
                        EFI_SECTION_USER_INTERFACE,
                        0,
                        &Section,
                        &SectionSize,
                        &AuthenticationStatus
                        );
        if (!EFI_ERROR (Status)) {
          if (StrStr (Section, MatchSubString) != NULL) {
            AsciiPrint ("%,9d %7a %g %s\n", Size, TypeStr, &NameGuid, Section);
            if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
              break;
            }
          }
          FreePool (Section);
        } else {
          if (*MatchSubString == '\0') {
            AsciiPrint ("%,9d %7a %g\n", Size, TypeStr, &NameGuid);
            if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
              break;
            }
          }
        }
      }
    } while (!EFI_ERROR (GetNextFileStatus));
       
    if (SearchType == EFI_FV_FILETYPE_ALL) {
      AsciiPrint ("%,20d bytes in files %,d bytes free\n", TotalSize, File->FvSize - File->FvHeaderSize - TotalSize);
    }
    
    
  } else if ((File->Type == EfiOpenFileSystem) || (File->Type == EfiOpenBlockIo)) {
    // Simple File System DIR

    if (File->FsFileInfo ==  NULL) {
      return EFI_SUCCESS;
    }

    if (!(File->FsFileInfo->Attribute & EFI_FILE_DIRECTORY)) {
      return EFI_SUCCESS;
    }

    // Handle *Name substring matching
    MatchSubString = NULL;
    UnicodeFileName[0] = '\0';
    if (Argc > 2) {
      AsciiStrToUnicodeStr (Argv[2], UnicodeFileName);
      if (UnicodeFileName[0] == '*') {
        MatchSubString = &UnicodeFileName[1];
      }
    } 

    File->FsFileHandle->SetPosition (File->FsFileHandle, 0);
    for (CurrentRow = 0;;) {
      // First read gets the size
      DirInfo = NULL;
      ReadSize = 0;
      Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);
      if (Status == EFI_BUFFER_TOO_SMALL) {
        // Allocate the buffer for the real read
        DirInfo = AllocatePool (ReadSize);
        if (DirInfo == NULL) {
          goto Done;
        }
        
        // Read the data
        Status = File->FsFileHandle->Read (File->FsFileHandle, &ReadSize, DirInfo);
        if ((EFI_ERROR (Status)) || (ReadSize == 0)) {
          break;
        }
      } else {
        break;
      }
      
      if (MatchSubString != NULL) {
        if (StrStr (&DirInfo->FileName[0], MatchSubString) == NULL) {
          // does not match *name argument, so skip
          continue;
        }
      } else if (UnicodeFileName[0] != '\0') {
        // is not an exact match for name argument, so skip
        if (StrCmp (&DirInfo->FileName[0], UnicodeFileName) != 0) {
          continue;
        }
      }

      if (DirInfo->Attribute & EFI_FILE_DIRECTORY) {
        AsciiPrint ("         <DIR> %s\n", &DirInfo->FileName[0]);
      } else {
        AsciiPrint ("%,14ld %s\n", DirInfo->FileSize, &DirInfo->FileName[0]);
      }

      if (EblAnyKeyToContinueQtoQuit (&CurrentRow, FALSE)) {
        break;
      }
      
      FreePool (DirInfo);
    }

Done:
    if (DirInfo != NULL) {
      FreePool (DirInfo);
    }
  }

  EfiClose (File);

  return EFI_SUCCESS;
}

/**
  Change the Current Working Directory

  Argv[0] - "cd"
  Argv[1] - Device Name:path. Path is optional 

  @param  Argc   Number of command arguments in Argv
  @param  Argv   Array of strings that represent the parsed command line. 
                 Argv[0] is the command name

  @return EFI_SUCCESS

**/
EFI_STATUS
EblCdCmd (
  IN UINTN  Argc,
  IN CHAR8  **Argv
  )
{
  if (Argc <= 1) {
    return EFI_SUCCESS;
  } 
  
  return EfiSetCwd (Argv[1]);
}



GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mCmdDirTemplate[] =
{
  {
    "dir",
    " dirdev [*match]; directory listing of dirdev. opt match a substring",
    NULL,
    EblDirCmd
  },
  {
    "cd",
    " device - set the current working directory",
    NULL,
    EblCdCmd
  }
};


/**
  Initialize the commands in this in this file
**/
VOID
EblInitializeDirCmd (
  VOID
  )
{  
  if (FeaturePcdGet (PcdEmbeddedDirCmd)) {
    EblAddCommands (mCmdDirTemplate, sizeof (mCmdDirTemplate)/sizeof (EBL_COMMAND_TABLE));
  }
}