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878ddf1f | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2004, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | GenDepex.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Generate Dependency Expression ("GenDepex")\r | |
19 | \r | |
20 | Infix to Postfix Algorithm\r | |
21 | \r | |
22 | This code has been scrubbed to be free of having any EFI core tree dependencies.\r | |
23 | It should build in any environment that supports a standard C-library w/ string\r | |
24 | operations and File I/O services.\r | |
25 | \r | |
26 | As an example of usage, consider the following:\r | |
27 | \r | |
28 | The input user file could be something like "Sample.DXS" whose contents are\r | |
29 | \r | |
30 | #include "Tiano.h"\r | |
31 | \r | |
32 | DEPENDENCY_START\r | |
33 | NOT (DISK_IO_PROTOCOL AND SIMPLE_FILE_SYSTEM_PROTOCOL) \r | |
34 | OR EFI_PXE_BASE_CODE_PROTOCOL\r | |
35 | DEPENDENCY_END\r | |
36 | \r | |
37 | This file is then washed through the C-preprocessor, viz.,\r | |
38 | \r | |
39 | cl /EP Sample.DXS > Sample.TMP1\r | |
40 | \r | |
41 | This yields the following file "Sample.TMP1" whose contents are\r | |
42 | \r | |
43 | DEPENDENCY_START\r | |
44 | NOT ({ 0xce345171, 0xba0b, 0x11d2, 0x8e, 0x4f, 0x0, 0xa0, 0xc9, 0x69, 0x72,\r | |
45 | 0x3b } AND { 0x964e5b22, 0x6459, 0x11d2, 0x8e, 0x39, 0x0, 0xa0, 0xc9, 0x69,\r | |
46 | 0x72, 0x3b }) OR { 0x03c4e603, 0xac28, 0x11d3, 0x9a, 0x2d, 0x00, 0x90, 0x27,\r | |
47 | 0x3f, 0xc1, 0x4d }\r | |
48 | DEPENDENCY_END\r | |
49 | \r | |
50 | This file, in turn, will be fed into the utility, viz.,\r | |
51 | \r | |
52 | GenDepex Sample.TMP1 Sample.TMP2\r | |
53 | \r | |
54 | With a file that is 55 bytes long:\r | |
55 | \r | |
56 | 55 bytes for the grammar binary\r | |
57 | PUSH opcode - 1 byte\r | |
58 | GUID Instance - 16 bytes\r | |
59 | PUSH opcode - 1 byte\r | |
60 | GUID Instance - 16 bytes\r | |
61 | AND opcode - 1 byte\r | |
62 | NOT opcode - 1 byte\r | |
63 | PUSH opcode - 1 byte\r | |
64 | GUID Instance - 16 bytes\r | |
65 | OR opcode - 1 byte\r | |
66 | END opcode - 1 byte\r | |
67 | \r | |
68 | The file "Sample.TMP2" could be fed via a Section-builder utility \r | |
69 | (GenSection) that would be used for the creation of a dependency\r | |
70 | section file (.DPX) which in turn would be used by a generate FFS\r | |
71 | utility (GenFfsFile) to produce a DXE driver/core (.DXE) or \r | |
72 | a DXE application (.APP) file.\r | |
73 | \r | |
74 | Complies with Tiano C Coding Standards Document, version 0.31, 12 Dec 2000.\r | |
75 | \r | |
76 | --*/\r | |
77 | \r | |
78 | #include "GenDepex.h"\r | |
79 | \r | |
80 | #define TOOL_NAME "GenDepex"\r | |
81 | \r | |
82 | extern\r | |
83 | ParseDepex (\r | |
84 | IN INT8 *Pbegin,\r | |
85 | IN UINT32 length\r | |
86 | );\r | |
87 | \r | |
88 | VOID\r | |
89 | PrintGenDepexUtilityInfo (\r | |
90 | VOID\r | |
91 | )\r | |
92 | /*++\r | |
93 | \r | |
94 | Routine Description:\r | |
95 | \r | |
96 | Displays the standard utility information to SDTOUT.\r | |
97 | \r | |
98 | Arguments:\r | |
99 | \r | |
100 | None\r | |
101 | \r | |
102 | Returns:\r | |
103 | \r | |
104 | None\r | |
105 | \r | |
106 | --*/\r | |
107 | {\r | |
108 | printf (\r | |
109 | "%s, Tiano Dependency Expression Generation Utility. Version %d.%d.\n",\r | |
110 | UTILITY_NAME,\r | |
111 | UTILITY_MAJOR_VERSION,\r | |
112 | UTILITY_MINOR_VERSION\r | |
113 | );\r | |
114 | printf ("Copyright (C) 1996-2002 Intel Corporation. All rights reserved.\n\n");\r | |
115 | }\r | |
116 | \r | |
117 | VOID\r | |
118 | PrintGenDepexUsageInfo (\r | |
119 | VOID\r | |
120 | )\r | |
121 | /*++\r | |
122 | \r | |
123 | Routine Description:\r | |
124 | \r | |
125 | Displays the utility usage syntax to STDOUT.\r | |
126 | \r | |
127 | Arguments:\r | |
128 | \r | |
129 | None\r | |
130 | \r | |
131 | Returns:\r | |
132 | \r | |
133 | None\r | |
134 | \r | |
135 | --*/\r | |
136 | {\r | |
137 | printf (\r | |
138 | "Usage: %s -I <INFILE> -O <OUTFILE> [-P <Optional Boundary for padding up>] \n",\r | |
139 | UTILITY_NAME\r | |
140 | );\r | |
141 | printf (" Where:\n");\r | |
142 | printf (" <INFILE> is the input pre-processed dependency text files name.\n");\r | |
143 | printf (" <OUTFILE> is the output binary dependency files name.\n");\r | |
144 | printf (" <Optional Boundary for padding up> is the padding integer value.\n");\r | |
145 | printf (" This is the boundary to align the output file size to.\n");\r | |
146 | }\r | |
147 | \r | |
148 | DEPENDENCY_OPCODE\r | |
149 | PopOpCode (\r | |
150 | IN OUT VOID **Stack\r | |
151 | )\r | |
152 | /*++\r | |
153 | \r | |
154 | Routine Description:\r | |
155 | \r | |
156 | Pop an element from the Opcode stack.\r | |
157 | \r | |
158 | Arguments:\r | |
159 | \r | |
160 | Stack Current top of the OpCode stack location\r | |
161 | \r | |
162 | Returns:\r | |
163 | \r | |
164 | DEPENDENCY_OPCODE OpCode at the top of the OpCode stack.\r | |
165 | Stack New top of the OpCode stack location\r | |
166 | \r | |
167 | \r | |
168 | --*/\r | |
169 | {\r | |
170 | DEPENDENCY_OPCODE *OpCodePtr;\r | |
171 | \r | |
172 | OpCodePtr = *Stack;\r | |
173 | OpCodePtr--;\r | |
174 | *Stack = OpCodePtr;\r | |
175 | return *OpCodePtr;\r | |
176 | }\r | |
177 | \r | |
178 | VOID\r | |
179 | PushOpCode (\r | |
180 | IN OUT VOID **Stack,\r | |
181 | IN DEPENDENCY_OPCODE OpCode\r | |
182 | )\r | |
183 | /*++\r | |
184 | \r | |
185 | Routine Description:\r | |
186 | \r | |
187 | Push an element onto the Opcode Stack\r | |
188 | \r | |
189 | Arguments:\r | |
190 | \r | |
191 | Stack Current top of the OpCode stack location\r | |
192 | OpCode OpCode to push onto the stack\r | |
193 | \r | |
194 | Returns:\r | |
195 | \r | |
196 | Stack New top of the OpCode stack location\r | |
197 | \r | |
198 | --*/\r | |
199 | {\r | |
200 | DEPENDENCY_OPCODE *OpCodePtr;\r | |
201 | \r | |
202 | OpCodePtr = *Stack;\r | |
203 | *OpCodePtr = OpCode;\r | |
204 | OpCodePtr++;\r | |
205 | *Stack = OpCodePtr;\r | |
206 | }\r | |
207 | \r | |
208 | EFI_STATUS\r | |
209 | GenerateDependencyExpression (\r | |
210 | IN FILE *InFile,\r | |
211 | IN OUT FILE *OutFile,\r | |
9776330c | 212 | IN INT8 Padding OPTIONAL\r |
878ddf1f | 213 | )\r |
214 | /*++\r | |
215 | \r | |
216 | Routine Description:\r | |
217 | \r | |
218 | This takes the pre-compiled dependency text file and \r | |
219 | converts it into a binary dependency file.\r | |
220 | \r | |
221 | The BNF for the dependency expression is as follows \r | |
222 | (from the DXE 1.0 Draft specification).\r | |
223 | \r | |
224 | The inputted BNF grammar is thus:\r | |
225 | <depex> ::= sor <dep> | \r | |
226 | before GUID <dep> | \r | |
227 | after GUID <dep> | \r | |
228 | <bool>\r | |
229 | \r | |
230 | <dep> ::= <bool> |\r | |
231 | \r | |
232 | <bool> ::= <bool> and <term> | \r | |
233 | <bool> or <term> | \r | |
234 | <term>\r | |
235 | \r | |
236 | <term> ::= not <factor> | \r | |
237 | <factor>\r | |
238 | \r | |
239 | <factor> ::= ( <bool> ) | \r | |
240 | <term> <term> | \r | |
241 | GUID | \r | |
242 | <boolval>\r | |
243 | \r | |
244 | <boolval> ::= true | \r | |
245 | false\r | |
246 | \r | |
247 | The outputed binary grammer is thus:\r | |
248 | <depex> ::= sor <dep> | \r | |
249 | before <depinst> <dep> | \r | |
250 | after <depinst> <dep> | \r | |
251 | <bool>\r | |
252 | \r | |
253 | <dep> ::= <bool> |\r | |
254 | \r | |
255 | <bool> ::= <bool> and <term> | \r | |
256 | <bool> or <term> | <term>\r | |
257 | \r | |
258 | <term> ::= not <factor> | \r | |
259 | <factor>\r | |
260 | \r | |
261 | <factor> ::= ( <bool> ) | \r | |
262 | <term> <term> | \r | |
263 | <boolval> | \r | |
264 | <depinst> | \r | |
265 | <termval>\r | |
266 | \r | |
267 | <boolval> ::= true | \r | |
268 | false\r | |
269 | \r | |
270 | <depinst> ::= push GUID\r | |
271 | \r | |
272 | <termval> ::= end\r | |
273 | \r | |
274 | BugBug: A correct grammer is parsed correctly. A file that violates the\r | |
275 | grammer may parse when it should generate an error. There is some\r | |
276 | error checking and it covers most of the case when it's an include\r | |
277 | of definition issue. An ill formed expresion may not be detected.\r | |
278 | \r | |
279 | Arguments:\r | |
280 | \r | |
281 | InFile - Input pre-compiled text file of the dependency expression.\r | |
282 | This needs to be in ASCII.\r | |
283 | The file pointer can not be NULL.\r | |
284 | \r | |
285 | OutFile - Binary dependency file.\r | |
286 | The file pointer can not be NULL.\r | |
287 | \r | |
288 | Padding - OPTIONAL integer value to pad the output file to.\r | |
289 | \r | |
290 | \r | |
291 | Returns:\r | |
292 | \r | |
293 | EFI_SUCCESS The function completed successfully.\r | |
294 | EFI_INVALID_PARAMETER One of the parameters in the text file was invalid.\r | |
295 | EFI_OUT_OF_RESOURCES Unable to allocate memory.\r | |
296 | EFI_ABORTED An misc error occurred.\r | |
297 | \r | |
298 | --*/\r | |
299 | {\r | |
300 | INT8 *Ptrx;\r | |
301 | INT8 *Pend;\r | |
302 | INT8 *EvaluationStack;\r | |
303 | INT8 *StackPtr;\r | |
304 | INT8 *Buffer;\r | |
305 | INT8 Line[LINESIZE];\r | |
306 | UINTN Index;\r | |
307 | UINTN OutFileSize;\r | |
308 | UINTN FileSize;\r | |
309 | UINTN Results;\r | |
310 | BOOLEAN NotDone;\r | |
311 | BOOLEAN Before_Flag;\r | |
312 | BOOLEAN After_Flag;\r | |
313 | BOOLEAN Dep_Flag;\r | |
314 | BOOLEAN SOR_Flag;\r | |
315 | EFI_GUID Guid;\r | |
316 | UINTN ArgCountParsed;\r | |
317 | DEPENDENCY_OPCODE Opcode;\r | |
318 | \r | |
319 | Before_Flag = FALSE;\r | |
320 | After_Flag = FALSE;\r | |
321 | Dep_Flag = FALSE;\r | |
322 | SOR_Flag = FALSE;\r | |
323 | \r | |
324 | memset (Line, 0, LINESIZE);\r | |
325 | \r | |
326 | OutFileSize = 0;\r | |
327 | \r | |
328 | EvaluationStack = (INT8 *) malloc (EVAL_STACK_SIZE);\r | |
329 | \r | |
330 | if (EvaluationStack != NULL) {\r | |
331 | StackPtr = EvaluationStack;\r | |
332 | } else {\r | |
333 | printf ("Unable to allocate memory to EvaluationStack - Out of resources\n");\r | |
334 | return EFI_OUT_OF_RESOURCES;\r | |
335 | }\r | |
336 | \r | |
337 | Results = (UINTN) fseek (InFile, 0, SEEK_END);\r | |
338 | \r | |
339 | if (Results != 0) {\r | |
340 | printf ("FSEEK failed - Aborted\n");\r | |
341 | return EFI_ABORTED;\r | |
342 | }\r | |
343 | \r | |
344 | FileSize = ftell (InFile);\r | |
345 | \r | |
346 | if (FileSize == -1L) {\r | |
347 | printf ("FTELL failed - Aborted\n");\r | |
348 | return EFI_ABORTED;\r | |
349 | }\r | |
350 | \r | |
351 | Buffer = (INT8 *) malloc (FileSize + BUFFER_SIZE);\r | |
352 | \r | |
353 | if (Buffer == NULL) {\r | |
354 | printf ("Unable to allocate memory to Buffer - Out of resources\n");\r | |
355 | free (EvaluationStack);\r | |
356 | \r | |
357 | Results = (UINTN) fclose (InFile);\r | |
358 | if (Results != 0) {\r | |
359 | printf ("FCLOSE failed\n");\r | |
360 | }\r | |
361 | \r | |
362 | Results = (UINTN) fclose (OutFile);\r | |
363 | if (Results != 0) {\r | |
364 | printf ("FCLOSE failed\n");\r | |
365 | }\r | |
366 | \r | |
367 | return EFI_OUT_OF_RESOURCES;\r | |
368 | }\r | |
369 | \r | |
370 | Results = (UINTN) fseek (InFile, 0, SEEK_SET);\r | |
371 | \r | |
372 | if (Results != 0) {\r | |
373 | printf ("FSEEK failed - Aborted\n");\r | |
374 | return EFI_ABORTED;\r | |
375 | }\r | |
376 | \r | |
377 | fread (Buffer, FileSize, 1, InFile);\r | |
378 | \r | |
379 | Ptrx = Buffer;\r | |
380 | Pend = Ptrx + FileSize - strlen (DEPENDENCY_END);\r | |
381 | Index = FileSize;\r | |
382 | \r | |
383 | NotDone = TRUE;\r | |
384 | while ((Index--) && NotDone) {\r | |
385 | \r | |
386 | if (strncmp (Pend, DEPENDENCY_END, strlen (DEPENDENCY_END)) == 0) {\r | |
387 | NotDone = FALSE;\r | |
388 | } else {\r | |
389 | Pend--;\r | |
390 | }\r | |
391 | }\r | |
392 | \r | |
393 | if (NotDone) {\r | |
394 | printf ("Couldn't find end string %s\n", DEPENDENCY_END);\r | |
395 | \r | |
396 | Results = (UINTN) fclose (InFile);\r | |
397 | if (Results != 0) {\r | |
398 | printf ("FCLOSE failed\n");\r | |
399 | }\r | |
400 | \r | |
401 | Results = (UINTN) fclose (OutFile);\r | |
402 | if (Results != 0) {\r | |
403 | printf ("FCLOSE failed\n");\r | |
404 | }\r | |
405 | \r | |
406 | free (Buffer);\r | |
407 | free (EvaluationStack);\r | |
408 | \r | |
409 | return EFI_INVALID_PARAMETER;\r | |
410 | }\r | |
411 | \r | |
412 | Index = FileSize;\r | |
413 | \r | |
414 | NotDone = TRUE;\r | |
415 | while ((Index--) && NotDone) {\r | |
416 | \r | |
417 | if (strncmp (Ptrx, DEPENDENCY_START, strlen (DEPENDENCY_START)) == 0) {\r | |
418 | Ptrx += sizeof (DEPENDENCY_START);\r | |
419 | NotDone = FALSE;\r | |
420 | //\r | |
421 | // BUGBUG -- should Index be decremented by sizeof(DEPENDENCY_START)?\r | |
422 | //\r | |
423 | } else {\r | |
424 | Ptrx++;\r | |
425 | }\r | |
426 | }\r | |
427 | \r | |
428 | if (NotDone) {\r | |
429 | printf ("Couldn't find start string %s\n", DEPENDENCY_START);\r | |
430 | \r | |
431 | Results = (UINTN) fclose (InFile);\r | |
432 | if (Results != 0) {\r | |
433 | printf ("FCLOSE failed\n");\r | |
434 | }\r | |
435 | \r | |
436 | Results = (UINTN) fclose (OutFile);\r | |
437 | if (Results != 0) {\r | |
438 | printf ("FCLOSE failed\n");\r | |
439 | }\r | |
440 | \r | |
441 | free (Buffer);\r | |
442 | free (EvaluationStack);\r | |
443 | \r | |
444 | return EFI_INVALID_PARAMETER;\r | |
445 | }\r | |
446 | //\r | |
447 | // validate the syntax of expression\r | |
448 | //\r | |
449 | if (!ParseDepex (Ptrx, Pend - Ptrx - 1)) {\r | |
450 | printf ("The syntax of expression is wrong\n");\r | |
451 | \r | |
452 | Results = (UINTN) fclose (InFile);\r | |
453 | if (Results != 0) {\r | |
454 | printf ("FCLOSE failed\n");\r | |
455 | }\r | |
456 | \r | |
457 | Results = (UINTN) fclose (OutFile);\r | |
458 | if (Results != 0) {\r | |
459 | printf ("FCLOSE failed\n");\r | |
460 | }\r | |
461 | \r | |
462 | free (Buffer);\r | |
463 | free (EvaluationStack);\r | |
464 | \r | |
465 | return EFI_INVALID_PARAMETER;\r | |
466 | }\r | |
467 | \r | |
468 | NotDone = TRUE;\r | |
469 | \r | |
470 | while ((Index--) && NotDone) {\r | |
471 | \r | |
472 | if (*Ptrx == ' ') {\r | |
473 | Ptrx++;\r | |
474 | } else if (*Ptrx == '\n' || *Ptrx == '\r') {\r | |
475 | Ptrx++;\r | |
476 | } else if (strncmp (Ptrx, OPERATOR_SOR, strlen (OPERATOR_SOR)) == 0) {\r | |
477 | //\r | |
478 | // Checks for some invalid dependencies\r | |
479 | //\r | |
480 | if (Before_Flag) {\r | |
481 | \r | |
482 | printf ("A BEFORE operator was detected.\n");\r | |
483 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
484 | return EFI_INVALID_PARAMETER;\r | |
485 | \r | |
486 | } else if (After_Flag) {\r | |
487 | \r | |
488 | printf ("An AFTER operator was detected.\n");\r | |
489 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
490 | return EFI_INVALID_PARAMETER;\r | |
491 | \r | |
492 | } else if (SOR_Flag) {\r | |
493 | \r | |
494 | printf ("Another SOR operator was detected.\n");\r | |
495 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
496 | return EFI_INVALID_PARAMETER;\r | |
497 | \r | |
498 | } else if (Dep_Flag) {\r | |
499 | \r | |
500 | printf ("The Schedule On Request - SOR operator must be the first operator following DEPENDENCY_START\n");\r | |
501 | return EFI_INVALID_PARAMETER;\r | |
502 | \r | |
503 | } else {\r | |
504 | //\r | |
505 | // BUGBUG - This was not in the spec but is in the CORE code\r | |
506 | // An OPERATOR_SOR has to be first - following the DEPENDENCY_START\r | |
507 | //\r | |
508 | fputc (EFI_DEP_SOR, OutFile);\r | |
509 | OutFileSize++;\r | |
510 | Ptrx += sizeof (OPERATOR_SOR);\r | |
511 | SOR_Flag = TRUE;\r | |
512 | \r | |
513 | }\r | |
514 | } else if (strncmp (Ptrx, OPERATOR_BEFORE, strlen (OPERATOR_BEFORE)) == 0) {\r | |
515 | //\r | |
516 | // Checks for some invalid dependencies\r | |
517 | //\r | |
518 | if (Before_Flag) {\r | |
519 | \r | |
520 | printf ("Another BEFORE operator was detected.\n");\r | |
521 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
522 | return EFI_INVALID_PARAMETER;\r | |
523 | \r | |
524 | } else if (After_Flag) {\r | |
525 | \r | |
526 | printf ("An AFTER operator was detected.\n");\r | |
527 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
528 | return EFI_INVALID_PARAMETER;\r | |
529 | \r | |
530 | } else if (SOR_Flag) {\r | |
531 | \r | |
532 | printf ("A SOR operator was detected.\n");\r | |
533 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
534 | return EFI_INVALID_PARAMETER;\r | |
535 | \r | |
536 | } else if (Dep_Flag) {\r | |
537 | \r | |
538 | printf ("The BEFORE operator must be the first operator following DEPENDENCY_START\n");\r | |
539 | return EFI_INVALID_PARAMETER;\r | |
540 | \r | |
541 | } else {\r | |
542 | fputc (EFI_DEP_BEFORE, OutFile);\r | |
543 | OutFileSize++;\r | |
544 | Ptrx += sizeof (OPERATOR_BEFORE);\r | |
545 | Before_Flag = TRUE;\r | |
546 | }\r | |
547 | } else if (strncmp (Ptrx, OPERATOR_AFTER, strlen (OPERATOR_AFTER)) == 0) {\r | |
548 | //\r | |
549 | // Checks for some invalid dependencies\r | |
550 | //\r | |
551 | if (Before_Flag) {\r | |
552 | \r | |
553 | printf ("A BEFORE operator was detected.\n");\r | |
554 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
555 | return EFI_INVALID_PARAMETER;\r | |
556 | \r | |
557 | } else if (After_Flag) {\r | |
558 | \r | |
559 | printf ("Another AFTER operator was detected.\n");\r | |
560 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
561 | return EFI_INVALID_PARAMETER;\r | |
562 | \r | |
563 | } else if (SOR_Flag) {\r | |
564 | \r | |
565 | printf ("A SOR operator was detected.\n");\r | |
566 | printf ("There can only be one SOR or one AFTER or one BEFORE operator\n");\r | |
567 | return EFI_INVALID_PARAMETER;\r | |
568 | \r | |
569 | } else if (Dep_Flag) {\r | |
570 | \r | |
571 | printf ("The AFTER operator must be the first operator following DEPENDENCY_START\n");\r | |
572 | return EFI_INVALID_PARAMETER;\r | |
573 | \r | |
574 | } else {\r | |
575 | fputc (EFI_DEP_AFTER, OutFile);\r | |
576 | OutFileSize++;\r | |
577 | Ptrx += sizeof (OPERATOR_AFTER);\r | |
578 | Dep_Flag = TRUE;\r | |
579 | After_Flag = TRUE;\r | |
580 | }\r | |
581 | } else if (strncmp (Ptrx, OPERATOR_AND, strlen (OPERATOR_AND)) == 0) {\r | |
582 | while (StackPtr != EvaluationStack) {\r | |
583 | Opcode = PopOpCode ((VOID **) &StackPtr);\r | |
584 | if (Opcode != DXE_DEP_LEFT_PARENTHESIS) {\r | |
585 | fputc (Opcode, OutFile);\r | |
586 | OutFileSize++;\r | |
587 | } else {\r | |
588 | PushOpCode ((VOID **) &StackPtr, DXE_DEP_LEFT_PARENTHESIS);\r | |
589 | break;\r | |
590 | }\r | |
591 | }\r | |
592 | \r | |
593 | PushOpCode ((VOID **) &StackPtr, EFI_DEP_AND);\r | |
594 | Ptrx += sizeof (OPERATOR_AND);\r | |
595 | Dep_Flag = TRUE;\r | |
596 | \r | |
597 | } else if (strncmp (Ptrx, OPERATOR_OR, strlen (OPERATOR_OR)) == 0) {\r | |
598 | while (StackPtr != EvaluationStack) {\r | |
599 | Opcode = PopOpCode ((VOID **) &StackPtr);\r | |
600 | if (Opcode != DXE_DEP_LEFT_PARENTHESIS) {\r | |
601 | fputc (Opcode, OutFile);\r | |
602 | OutFileSize++;\r | |
603 | } else {\r | |
604 | PushOpCode ((VOID **) &StackPtr, DXE_DEP_LEFT_PARENTHESIS);\r | |
605 | break;\r | |
606 | }\r | |
607 | }\r | |
608 | \r | |
609 | PushOpCode ((VOID **) &StackPtr, EFI_DEP_OR);\r | |
610 | Ptrx += sizeof (OPERATOR_OR);\r | |
611 | Dep_Flag = TRUE;\r | |
612 | \r | |
613 | } else if (strncmp (Ptrx, OPERATOR_NOT, strlen (OPERATOR_NOT)) == 0) {\r | |
614 | while (StackPtr != EvaluationStack) {\r | |
615 | Opcode = PopOpCode ((VOID **) &StackPtr);\r | |
616 | if (Opcode != DXE_DEP_LEFT_PARENTHESIS) {\r | |
617 | fputc (Opcode, OutFile);\r | |
618 | OutFileSize++;\r | |
619 | } else {\r | |
620 | PushOpCode ((VOID **) &StackPtr, DXE_DEP_LEFT_PARENTHESIS);\r | |
621 | break;\r | |
622 | }\r | |
623 | }\r | |
624 | \r | |
625 | PushOpCode ((VOID **) &StackPtr, EFI_DEP_NOT);\r | |
626 | Ptrx += sizeof (OPERATOR_NOT);\r | |
627 | Dep_Flag = TRUE;\r | |
628 | \r | |
629 | } else if (*Ptrx == '\t') {\r | |
630 | \r | |
631 | printf ("File contains tabs. This violates the coding standard\n");\r | |
632 | return EFI_INVALID_PARAMETER;\r | |
633 | \r | |
634 | } else if (*Ptrx == '\n') {\r | |
635 | //\r | |
636 | // Skip the newline character in the file\r | |
637 | //\r | |
638 | Ptrx++;\r | |
639 | \r | |
640 | } else if (strncmp (Ptrx, OPERATOR_LEFT_PARENTHESIS, strlen (OPERATOR_LEFT_PARENTHESIS)) == 0) {\r | |
641 | PushOpCode ((VOID **) &StackPtr, DXE_DEP_LEFT_PARENTHESIS);\r | |
642 | \r | |
643 | Ptrx += strlen (OPERATOR_LEFT_PARENTHESIS);\r | |
644 | Dep_Flag = TRUE;\r | |
645 | \r | |
646 | } else if (strncmp (Ptrx, OPERATOR_RIGHT_PARENTHESIS, strlen (OPERATOR_RIGHT_PARENTHESIS)) == 0) {\r | |
647 | while (StackPtr != EvaluationStack) {\r | |
648 | Opcode = PopOpCode ((VOID **) &StackPtr);\r | |
649 | if (Opcode != DXE_DEP_LEFT_PARENTHESIS) {\r | |
650 | fputc (Opcode, OutFile);\r | |
651 | OutFileSize++;\r | |
652 | } else {\r | |
653 | break;\r | |
654 | }\r | |
655 | }\r | |
656 | \r | |
657 | Ptrx += strlen (OPERATOR_RIGHT_PARENTHESIS);\r | |
658 | Dep_Flag = TRUE;\r | |
659 | \r | |
660 | } else if (strncmp (Ptrx, OPERATOR_TRUE, strlen (OPERATOR_TRUE)) == 0) {\r | |
661 | \r | |
662 | fputc (EFI_DEP_TRUE, OutFile);\r | |
663 | \r | |
664 | OutFileSize++;\r | |
665 | \r | |
666 | //\r | |
667 | // OutFileSize += sizeof (EFI_DEP_TRUE);\r | |
668 | //\r | |
669 | Dep_Flag = TRUE;\r | |
670 | \r | |
671 | Ptrx += strlen (OPERATOR_TRUE);\r | |
672 | \r | |
673 | } else if (strncmp (Ptrx, OPERATOR_FALSE, strlen (OPERATOR_FALSE)) == 0) {\r | |
674 | \r | |
675 | fputc (EFI_DEP_FALSE, OutFile);\r | |
676 | \r | |
677 | OutFileSize++;\r | |
678 | \r | |
679 | //\r | |
680 | // OutFileSize += sizeof (EFI_DEP_FALSE);\r | |
681 | //\r | |
682 | Dep_Flag = TRUE;\r | |
683 | \r | |
684 | Ptrx += strlen (OPERATOR_FALSE);\r | |
685 | \r | |
686 | } else if (*Ptrx == '{') {\r | |
687 | Ptrx++;\r | |
688 | \r | |
689 | if (*Ptrx == ' ') {\r | |
690 | Ptrx++;\r | |
691 | }\r | |
692 | \r | |
8d3adb74 | 693 | {\r |
694 | int byte_index;\r | |
695 | // This is an array of UINT32s. sscanf will trash memory\r | |
696 | // if you try to read into a UINT8 with a %x formatter.\r | |
697 | UINT32 Guid_Data4[8];\r | |
698 | \r | |
699 | ArgCountParsed = sscanf (\r | |
700 | Ptrx,\r | |
701 | "%x, %x, %x, { %x, %x, %x, %x, %x, %x, %x, %x }",\r | |
702 | &Guid.Data1,\r | |
703 | &Guid.Data2,\r | |
704 | &Guid.Data3,\r | |
705 | &Guid_Data4[0],\r | |
706 | &Guid_Data4[1],\r | |
707 | &Guid_Data4[2],\r | |
708 | &Guid_Data4[3],\r | |
709 | &Guid_Data4[4],\r | |
710 | &Guid_Data4[5],\r | |
711 | &Guid_Data4[6],\r | |
712 | &Guid_Data4[7]\r | |
713 | );\r | |
714 | \r | |
715 | // Now we can copy the 32 bit ints into the GUID.\r | |
716 | for (byte_index=0; byte_index<8; byte_index++) {\r | |
717 | Guid.Data4[byte_index] = (UINT8) Guid_Data4[byte_index];\r | |
718 | }\r | |
719 | }\r | |
878ddf1f | 720 | \r |
721 | if (ArgCountParsed != 11) {\r | |
722 | printf ("We have found an illegal GUID\n");\r | |
723 | printf ("Fix your depex\n");\r | |
724 | exit (-1);\r | |
725 | }\r | |
726 | \r | |
727 | while (*Ptrx != '}') {\r | |
728 | Ptrx++;\r | |
729 | }\r | |
730 | \r | |
ce53a8c3 | 731 | Ptrx++;\r |
878ddf1f | 732 | while (*Ptrx != '}') {\r |
733 | Ptrx++;\r | |
734 | }\r | |
ce53a8c3 | 735 | //\r |
878ddf1f | 736 | // Absorb the closing }\r |
737 | //\r | |
738 | Ptrx++;\r | |
739 | \r | |
740 | //\r | |
741 | // Don't provide a PUSH Opcode for the Before and After case\r | |
742 | //\r | |
743 | if ((!Before_Flag) && (!After_Flag)) {\r | |
744 | fputc (EFI_DEP_PUSH, OutFile);\r | |
745 | OutFileSize++;\r | |
746 | }\r | |
747 | \r | |
748 | fwrite (&Guid, sizeof (EFI_GUID), 1, OutFile);\r | |
749 | \r | |
750 | OutFileSize += sizeof (EFI_GUID);\r | |
751 | Dep_Flag = TRUE;\r | |
752 | \r | |
753 | } else if (strncmp (Ptrx, DEPENDENCY_END, strlen (DEPENDENCY_END)) == 0) {\r | |
754 | NotDone = FALSE;\r | |
755 | } else {\r | |
756 | //\r | |
757 | // Not a valid construct. Null terminate somewhere out there and\r | |
758 | // print an error message.\r | |
759 | //\r | |
760 | *(Ptrx + 20) = 0;\r | |
761 | printf (TOOL_NAME " ERROR: Unrecognized input at: \"%s\"...\n", Ptrx);\r | |
762 | return EFI_INVALID_PARAMETER;\r | |
763 | }\r | |
764 | }\r | |
765 | //\r | |
766 | // DRAIN();\r | |
767 | //\r | |
768 | while (StackPtr != EvaluationStack) {\r | |
769 | fputc (PopOpCode ((VOID **) &StackPtr), OutFile);\r | |
770 | OutFileSize++;\r | |
771 | }\r | |
772 | \r | |
773 | if (OutFileSize == 0) {\r | |
774 | printf ("Grammer contains no operators or constants\n");\r | |
775 | return EFI_INVALID_PARAMETER;\r | |
776 | }\r | |
777 | \r | |
778 | fputc (EFI_DEP_END, OutFile);\r | |
779 | \r | |
780 | OutFileSize++;\r | |
781 | \r | |
782 | //\r | |
783 | // Checks for invalid padding values\r | |
784 | //\r | |
785 | if (Padding < 0) {\r | |
786 | \r | |
787 | printf ("The inputted padding value was %d\n", Padding);\r | |
788 | printf ("The optional padding value can not be less than ZERO\n");\r | |
789 | return EFI_INVALID_PARAMETER;\r | |
790 | \r | |
791 | } else if (Padding > 0) {\r | |
792 | \r | |
793 | while ((OutFileSize % Padding) != 0) {\r | |
794 | \r | |
795 | fputc (' ', OutFile);\r | |
796 | OutFileSize++;\r | |
797 | }\r | |
798 | }\r | |
799 | \r | |
800 | Results = (UINTN) fclose (InFile);\r | |
801 | if (Results != 0) {\r | |
802 | printf ("FCLOSE failed\n");\r | |
803 | }\r | |
804 | \r | |
805 | Results = (UINTN) fclose (OutFile);\r | |
806 | if (Results != 0) {\r | |
807 | printf ("FCLOSE failed\n");\r | |
808 | }\r | |
809 | \r | |
810 | free (Buffer);\r | |
811 | free (EvaluationStack);\r | |
812 | \r | |
813 | return EFI_SUCCESS;\r | |
814 | } // End GenerateDependencyExpression function\r | |
815 | \r | |
816 | int\r | |
817 | main (\r | |
818 | IN UINTN argc,\r | |
819 | IN CHAR8 *argv[]\r | |
820 | )\r | |
821 | /*++\r | |
822 | \r | |
823 | Routine Description:\r | |
824 | \r | |
825 | Parse user entries. Print some rudimentary help\r | |
826 | \r | |
827 | Arguments:\r | |
828 | \r | |
829 | argc The count of input arguments\r | |
830 | argv The input arguments string array\r | |
831 | \r | |
832 | Returns:\r | |
833 | \r | |
834 | EFI_SUCCESS The function completed successfully.\r | |
835 | EFI_INVALID_PARAMETER One of the input parameters was invalid or one of the parameters in the text file was invalid.\r | |
836 | EFI_OUT_OF_RESOURCES Unable to allocate memory.\r | |
837 | EFI_ABORTED Unable to open/create a file or a misc error.\r | |
838 | \r | |
839 | --*/\r | |
840 | // TODO: ] - add argument and description to function comment\r | |
841 | {\r | |
842 | FILE *OutFile;\r | |
843 | FILE *InFile;\r | |
844 | UINT8 Padding;\r | |
845 | UINTN Index;\r | |
846 | BOOLEAN Input_Flag;\r | |
847 | BOOLEAN Output_Flag;\r | |
848 | BOOLEAN Pad_Flag;\r | |
849 | \r | |
850 | InFile = NULL;\r | |
851 | OutFile = NULL;\r | |
852 | Padding = 0;\r | |
853 | Input_Flag = FALSE;\r | |
854 | Output_Flag = FALSE;\r | |
855 | Pad_Flag = FALSE;\r | |
856 | \r | |
878ddf1f | 857 | if (argc < 5) {\r |
858 | printf ("Not enough arguments\n");\r | |
859 | PrintGenDepexUsageInfo ();\r | |
860 | return EFI_INVALID_PARAMETER;\r | |
861 | }\r | |
862 | \r | |
863 | for (Index = 1; Index < argc - 1; Index++) {\r | |
864 | \r | |
865 | if ((strcmp (argv[Index], "-I") == 0) || (strcmp (argv[Index], "-i") == 0)) {\r | |
866 | \r | |
867 | if (!Input_Flag) {\r | |
868 | \r | |
869 | InFile = fopen (argv[Index + 1], "rb");\r | |
870 | Input_Flag = TRUE;\r | |
871 | \r | |
872 | } else {\r | |
873 | printf ("GenDepex only allows one INPUT (-I) argument\n");\r | |
874 | return EFI_INVALID_PARAMETER;\r | |
875 | }\r | |
876 | \r | |
877 | } else if ((strcmp (argv[Index], "-O") == 0) || (strcmp (argv[Index], "-o") == 0)) {\r | |
878 | \r | |
879 | if (!Output_Flag) {\r | |
880 | \r | |
881 | OutFile = fopen (argv[Index + 1], "wb");\r | |
882 | Output_Flag = TRUE;\r | |
883 | \r | |
884 | } else {\r | |
885 | printf ("GenDepex only allows one OUTPUT (-O) argument\n");\r | |
886 | return EFI_INVALID_PARAMETER;\r | |
887 | }\r | |
888 | \r | |
889 | } else if ((strcmp (argv[Index], "-P") == 0) || (strcmp (argv[Index], "-p") == 0)) {\r | |
890 | \r | |
891 | if (!Pad_Flag) {\r | |
892 | \r | |
893 | Padding = (UINT8) atoi (argv[Index + 1]);\r | |
894 | Pad_Flag = TRUE;\r | |
895 | \r | |
896 | } else {\r | |
897 | printf ("GenDepex only allows one PADDING (-P) argument\n");\r | |
898 | return EFI_INVALID_PARAMETER;\r | |
899 | }\r | |
900 | }\r | |
901 | }\r | |
902 | \r | |
903 | PrintGenDepexUtilityInfo ();\r | |
904 | \r | |
905 | if (InFile == NULL) {\r | |
906 | printf ("Can not open <INFILE> for reading.\n");\r | |
907 | PrintGenDepexUsageInfo ();\r | |
908 | return EFI_ABORTED;\r | |
909 | }\r | |
910 | \r | |
911 | if (OutFile == NULL) {\r | |
912 | printf ("Can not open <OUTFILE> for writting.\n");\r | |
913 | PrintGenDepexUsageInfo ();\r | |
914 | return EFI_ABORTED;\r | |
915 | }\r | |
916 | \r | |
917 | return GenerateDependencyExpression (InFile, OutFile, Padding);\r | |
918 | }\r |