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6cc9ca32 LG |
1 | /** @file\r |
2 | \r | |
5944a83b | 3 | Internal generic functions to operate flash block.\r |
d7dec593 | 4 | \r |
6cc9ca32 | 5 | Copyright (c) 2006 - 2008, Intel Corporation \r |
d7dec593 | 6 | All rights reserved. This program and the accompanying materials \r |
7 | are licensed and made available under the terms and conditions of the BSD License \r | |
8 | which accompanies this distribution. The full text of the license may be found at \r | |
9 | http://opensource.org/licenses/bsd-license.php \r | |
10 | \r | |
11 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
12 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
13 | \r | |
6cc9ca32 | 14 | **/\r |
d7dec593 | 15 | \r |
e87a334f | 16 | #include "FtwLite.h"\r |
d7dec593 | 17 | \r |
6aab8214 | 18 | /**\r |
d7dec593 | 19 | \r |
20 | Check whether a flash buffer is erased.\r | |
21 | \r | |
d7dec593 | 22 | \r |
6aab8214 | 23 | @param Polarity All 1 or all 0\r |
24 | @param Buffer Buffer to check\r | |
25 | @param BufferSize Size of the buffer\r | |
d7dec593 | 26 | \r |
6aab8214 | 27 | @return A BOOLEAN value indicating erased or not.\r |
d7dec593 | 28 | \r |
6aab8214 | 29 | **/\r |
30 | BOOLEAN\r | |
31 | IsErasedFlashBuffer (\r | |
32 | IN BOOLEAN Polarity,\r | |
33 | IN UINT8 *Buffer,\r | |
34 | IN UINTN BufferSize\r | |
35 | )\r | |
d7dec593 | 36 | {\r |
37 | UINT8 ErasedValue;\r | |
38 | UINT8 *Ptr;\r | |
39 | \r | |
40 | if (Polarity) {\r | |
41 | ErasedValue = 0xFF;\r | |
42 | } else {\r | |
43 | ErasedValue = 0;\r | |
44 | }\r | |
45 | \r | |
46 | Ptr = Buffer;\r | |
6aab8214 | 47 | while ((BufferSize--) != 0) {\r |
d7dec593 | 48 | if (*Ptr++ != ErasedValue) {\r |
49 | return FALSE;\r | |
50 | }\r | |
51 | }\r | |
52 | \r | |
53 | return TRUE;\r | |
54 | }\r | |
55 | \r | |
6aab8214 | 56 | /**\r |
5944a83b | 57 | To erase the block with the spare block size.\r |
6aab8214 | 58 | \r |
59 | \r | |
60 | @param FtwLiteDevice Calling context\r | |
61 | @param FvBlock FVB Protocol interface\r | |
62 | @param Lba Lba of the firmware block\r | |
63 | \r | |
64 | @retval EFI_SUCCESS Block LBA is Erased successfully\r | |
65 | @retval Others Error occurs\r | |
66 | \r | |
67 | **/\r | |
d7dec593 | 68 | EFI_STATUS\r |
69 | FtwEraseBlock (\r | |
70 | IN EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r | |
71 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvBlock,\r | |
72 | EFI_LBA Lba\r | |
73 | )\r | |
d7dec593 | 74 | {\r |
75 | return FvBlock->EraseBlocks (\r | |
76 | FvBlock,\r | |
77 | Lba,\r | |
78 | FtwLiteDevice->NumberOfSpareBlock,\r | |
79 | EFI_LBA_LIST_TERMINATOR\r | |
80 | );\r | |
81 | }\r | |
82 | \r | |
6aab8214 | 83 | /**\r |
d7dec593 | 84 | \r |
85 | Erase spare block.\r | |
86 | \r | |
d7dec593 | 87 | \r |
6aab8214 | 88 | @param FtwLiteDevice Calling context\r |
d7dec593 | 89 | \r |
6aab8214 | 90 | @retval EFI_SUCCESS The erase request was successfully\r |
91 | completed.\r | |
92 | \r | |
93 | @retval EFI_ACCESS_DENIED The firmware volume is in the\r | |
94 | WriteDisabled state.\r | |
95 | @retval EFI_DEVICE_ERROR The block device is not functioning\r | |
96 | correctly and could not be written.\r | |
97 | The firmware device may have been\r | |
98 | partially erased.\r | |
99 | @retval EFI_INVALID_PARAMETER One or more of the LBAs listed\r | |
100 | in the variable argument list do\r | |
101 | not exist in the firmware volume. \r | |
d7dec593 | 102 | \r |
d7dec593 | 103 | \r |
6aab8214 | 104 | **/\r |
105 | EFI_STATUS\r | |
106 | FtwEraseSpareBlock (\r | |
107 | IN EFI_FTW_LITE_DEVICE *FtwLiteDevice\r | |
108 | )\r | |
d7dec593 | 109 | {\r |
110 | return FtwLiteDevice->FtwBackupFvb->EraseBlocks (\r | |
111 | FtwLiteDevice->FtwBackupFvb,\r | |
112 | FtwLiteDevice->FtwSpareLba,\r | |
113 | FtwLiteDevice->NumberOfSpareBlock,\r | |
114 | EFI_LBA_LIST_TERMINATOR\r | |
115 | );\r | |
116 | }\r | |
117 | \r | |
6aab8214 | 118 | /**\r |
119 | Retrive the proper FVB protocol interface by HANDLE.\r | |
120 | \r | |
121 | \r | |
122 | @param FvBlockHandle The handle of FVB protocol that provides services for\r | |
123 | reading, writing, and erasing the target block.\r | |
124 | @param FvBlock The interface of FVB protocol\r | |
125 | \r | |
126 | @retval EFI_SUCCESS The function completed successfully\r | |
127 | @retval EFI_ABORTED The function could not complete successfully\r | |
128 | \r | |
129 | **/\r | |
d7dec593 | 130 | EFI_STATUS\r |
131 | FtwGetFvbByHandle (\r | |
132 | IN EFI_HANDLE FvBlockHandle,\r | |
133 | OUT EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL **FvBlock\r | |
134 | )\r | |
d7dec593 | 135 | {\r |
136 | //\r | |
137 | // To get the FVB protocol interface on the handle\r | |
138 | //\r | |
139 | return gBS->HandleProtocol (\r | |
140 | FvBlockHandle,\r | |
141 | &gEfiFirmwareVolumeBlockProtocolGuid,\r | |
142 | (VOID **) FvBlock\r | |
143 | );\r | |
144 | }\r | |
145 | \r | |
6aab8214 | 146 | /**\r |
d7dec593 | 147 | \r |
148 | Get firmware block by address.\r | |
149 | \r | |
d7dec593 | 150 | \r |
6aab8214 | 151 | @param Address Address specified the block\r |
152 | @param FvBlock The block caller wanted\r | |
d7dec593 | 153 | \r |
6aab8214 | 154 | @retval EFI_SUCCESS The protocol instance if found.\r |
155 | @retval EFI_NOT_FOUND Block not found\r | |
d7dec593 | 156 | \r |
6aab8214 | 157 | **/\r |
158 | EFI_STATUS\r | |
159 | GetFvbByAddress (\r | |
160 | IN EFI_PHYSICAL_ADDRESS Address,\r | |
161 | OUT EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL **FvBlock\r | |
162 | )\r | |
d7dec593 | 163 | {\r |
164 | EFI_STATUS Status;\r | |
165 | EFI_HANDLE *HandleBuffer;\r | |
166 | UINTN HandleCount;\r | |
167 | UINTN Index;\r | |
168 | EFI_PHYSICAL_ADDRESS FvbBaseAddress;\r | |
169 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *Fvb;\r | |
170 | EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;\r | |
171 | \r | |
172 | *FvBlock = NULL;\r | |
173 | //\r | |
174 | // Locate all handles of Fvb protocol\r | |
175 | //\r | |
176 | Status = gBS->LocateHandleBuffer (\r | |
177 | ByProtocol,\r | |
178 | &gEfiFirmwareVolumeBlockProtocolGuid,\r | |
179 | NULL,\r | |
180 | &HandleCount,\r | |
181 | &HandleBuffer\r | |
182 | );\r | |
183 | if (EFI_ERROR (Status)) {\r | |
184 | return EFI_NOT_FOUND;\r | |
185 | }\r | |
186 | //\r | |
187 | // Search all FVB until find the right one\r | |
188 | //\r | |
189 | for (Index = 0; Index < HandleCount; Index += 1) {\r | |
190 | Status = gBS->HandleProtocol (\r | |
191 | HandleBuffer[Index],\r | |
192 | &gEfiFirmwareVolumeBlockProtocolGuid,\r | |
193 | (VOID **) &Fvb\r | |
194 | );\r | |
195 | if (EFI_ERROR (Status)) {\r | |
196 | Status = EFI_NOT_FOUND;\r | |
197 | break;\r | |
198 | }\r | |
199 | //\r | |
200 | // Compare the address and select the right one\r | |
201 | //\r | |
202 | Status = Fvb->GetPhysicalAddress (Fvb, &FvbBaseAddress);\r | |
203 | if (EFI_ERROR (Status)) {\r | |
204 | continue;\r | |
205 | }\r | |
206 | \r | |
207 | FwVolHeader = (EFI_FIRMWARE_VOLUME_HEADER *) ((UINTN) FvbBaseAddress);\r | |
208 | if ((Address >= FvbBaseAddress) && (Address <= (FvbBaseAddress + (FwVolHeader->FvLength - 1)))) {\r | |
209 | *FvBlock = Fvb;\r | |
210 | Status = EFI_SUCCESS;\r | |
211 | break;\r | |
212 | }\r | |
213 | }\r | |
214 | \r | |
215 | FreePool (HandleBuffer);\r | |
216 | return Status;\r | |
217 | }\r | |
218 | \r | |
6aab8214 | 219 | /**\r |
d7dec593 | 220 | \r |
221 | Is it in working block?\r | |
222 | \r | |
d7dec593 | 223 | \r |
6aab8214 | 224 | @param FtwLiteDevice Calling context\r |
225 | @param FvBlock Fvb protocol instance\r | |
226 | @param Lba The block specified\r | |
d7dec593 | 227 | \r |
6aab8214 | 228 | @return A BOOLEAN value indicating in working block or not.\r |
d7dec593 | 229 | \r |
6aab8214 | 230 | **/\r |
231 | BOOLEAN\r | |
232 | IsInWorkingBlock (\r | |
233 | EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r | |
234 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvBlock,\r | |
235 | EFI_LBA Lba\r | |
236 | )\r | |
d7dec593 | 237 | {\r |
238 | //\r | |
239 | // If matching the following condition, the target block is in working block.\r | |
240 | // 1. Target block is on the FV of working block (Using the same FVB protocol instance).\r | |
241 | // 2. Lba falls into the range of working block.\r | |
242 | //\r | |
243 | return (BOOLEAN)\r | |
244 | (\r | |
245 | (FvBlock == FtwLiteDevice->FtwFvBlock) &&\r | |
246 | (Lba >= FtwLiteDevice->FtwWorkBlockLba) &&\r | |
247 | (Lba <= FtwLiteDevice->FtwWorkSpaceLba)\r | |
248 | );\r | |
249 | }\r | |
250 | \r | |
6aab8214 | 251 | /**\r |
252 | Copy the content of spare block to a target block. Size is FTW_BLOCK_SIZE.\r | |
253 | Spare block is accessed by FTW backup FVB protocol interface. LBA is\r | |
254 | FtwLiteDevice->FtwSpareLba.\r | |
255 | Target block is accessed by FvBlock protocol interface. LBA is Lba.\r | |
256 | \r | |
257 | \r | |
258 | @param FtwLiteDevice The private data of FTW_LITE driver\r | |
259 | @param FvBlock FVB Protocol interface to access target block\r | |
260 | @param Lba Lba of the target block\r | |
261 | \r | |
262 | @retval EFI_SUCCESS Spare block content is copied to target block\r | |
263 | @retval EFI_INVALID_PARAMETER Input parameter error\r | |
264 | @retval EFI_OUT_OF_RESOURCES Allocate memory error\r | |
265 | @retval EFI_ABORTED The function could not complete successfully\r | |
266 | \r | |
267 | **/\r | |
d7dec593 | 268 | EFI_STATUS\r |
269 | FlushSpareBlockToTargetBlock (\r | |
270 | EFI_FTW_LITE_DEVICE *FtwLiteDevice,\r | |
271 | EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *FvBlock,\r | |
272 | EFI_LBA Lba\r | |
273 | )\r | |
d7dec593 | 274 | {\r |
275 | EFI_STATUS Status;\r | |
276 | UINTN Length;\r | |
277 | UINT8 *Buffer;\r | |
278 | UINTN Count;\r | |
279 | UINT8 *Ptr;\r | |
280 | UINTN Index;\r | |
281 | \r | |
282 | if ((FtwLiteDevice == NULL) || (FvBlock == NULL)) {\r | |
283 | return EFI_INVALID_PARAMETER;\r | |
284 | }\r | |
285 | //\r | |
286 | // Allocate a memory buffer\r | |
287 | //\r | |
288 | Length = FtwLiteDevice->SpareAreaLength;\r | |
289 | Buffer = AllocatePool (Length);\r | |
290 | if (Buffer == NULL) {\r | |
291 | return EFI_OUT_OF_RESOURCES;\r | |
292 | }\r | |
293 | //\r | |
294 | // Read all content of spare block to memory buffer\r | |
295 | //\r | |
296 | Ptr = Buffer;\r | |
297 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
276a49b6 | 298 | Count = FtwLiteDevice->BlockSize;\r |
d7dec593 | 299 | Status = FtwLiteDevice->FtwBackupFvb->Read (\r |
300 | FtwLiteDevice->FtwBackupFvb,\r | |
301 | FtwLiteDevice->FtwSpareLba + Index,\r | |
302 | 0,\r | |
303 | &Count,\r | |
304 | Ptr\r | |
305 | );\r | |
306 | if (EFI_ERROR (Status)) {\r | |
307 | FreePool (Buffer);\r | |
308 | return Status;\r | |
309 | }\r | |
310 | \r | |
311 | Ptr += Count;\r | |
312 | }\r | |
313 | //\r | |
314 | // Erase the target block\r | |
315 | //\r | |
316 | Status = FtwEraseBlock (FtwLiteDevice, FvBlock, Lba);\r | |
317 | if (EFI_ERROR (Status)) {\r | |
318 | FreePool (Buffer);\r | |
319 | return EFI_ABORTED;\r | |
320 | }\r | |
321 | //\r | |
322 | // Write memory buffer to block, using the FvbBlock protocol interface\r | |
323 | //\r | |
324 | Ptr = Buffer;\r | |
325 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
276a49b6 | 326 | Count = FtwLiteDevice->BlockSize;\r |
d7dec593 | 327 | Status = FvBlock->Write (FvBlock, Lba + Index, 0, &Count, Ptr);\r |
328 | if (EFI_ERROR (Status)) {\r | |
276a49b6 | 329 | DEBUG ((EFI_D_ERROR, "FtwLite: FVB Write block - %r\n", Status));\r |
d7dec593 | 330 | FreePool (Buffer);\r |
331 | return Status;\r | |
332 | }\r | |
333 | \r | |
334 | Ptr += Count;\r | |
335 | }\r | |
336 | \r | |
337 | FreePool (Buffer);\r | |
338 | \r | |
339 | return Status;\r | |
340 | }\r | |
341 | \r | |
6aab8214 | 342 | /**\r |
343 | Copy the content of spare block to working block. Size is FTW_BLOCK_SIZE.\r | |
344 | Spare block is accessed by FTW backup FVB protocol interface. LBA is\r | |
345 | FtwLiteDevice->FtwSpareLba.\r | |
346 | Working block is accessed by FTW working FVB protocol interface. LBA is\r | |
347 | FtwLiteDevice->FtwWorkBlockLba.\r | |
d7dec593 | 348 | \r |
d7dec593 | 349 | \r |
6aab8214 | 350 | @param FtwLiteDevice The private data of FTW_LITE driver\r |
d7dec593 | 351 | \r |
6aab8214 | 352 | @retval EFI_SUCCESS Spare block content is copied to target block\r |
353 | @retval EFI_OUT_OF_RESOURCES Allocate memory error\r | |
354 | @retval EFI_ABORTED The function could not complete successfully\r | |
355 | Notes:\r | |
356 | Since the working block header is important when FTW initializes, the\r | |
357 | state of the operation should be handled carefully. The Crc value is\r | |
358 | calculated without STATE element.\r | |
d7dec593 | 359 | \r |
6aab8214 | 360 | **/\r |
361 | EFI_STATUS\r | |
362 | FlushSpareBlockToWorkingBlock (\r | |
363 | EFI_FTW_LITE_DEVICE *FtwLiteDevice\r | |
364 | )\r | |
d7dec593 | 365 | {\r |
366 | EFI_STATUS Status;\r | |
367 | UINTN Length;\r | |
368 | UINT8 *Buffer;\r | |
369 | EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *WorkingBlockHeader;\r | |
370 | EFI_LBA WorkSpaceLbaOffset;\r | |
371 | UINTN Count;\r | |
372 | UINT8 *Ptr;\r | |
373 | UINTN Index;\r | |
374 | \r | |
375 | //\r | |
376 | // Allocate a memory buffer\r | |
377 | //\r | |
378 | Length = FtwLiteDevice->SpareAreaLength;\r | |
379 | Buffer = AllocatePool (Length);\r | |
380 | if (Buffer == NULL) {\r | |
381 | return EFI_OUT_OF_RESOURCES;\r | |
382 | }\r | |
383 | //\r | |
276a49b6 LG |
384 | // To guarantee that the WorkingBlockValid is set on spare block\r |
385 | //\r | |
386 | // Offset = OFFSET_OF(EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER,\r | |
387 | // WorkingBlockValid);\r | |
388 | // To skip Signature and Crc: sizeof(EFI_GUID)+sizeof(UINT32).\r | |
d7dec593 | 389 | //\r |
390 | WorkSpaceLbaOffset = FtwLiteDevice->FtwWorkSpaceLba - FtwLiteDevice->FtwWorkBlockLba;\r | |
391 | FtwUpdateFvState (\r | |
392 | FtwLiteDevice->FtwBackupFvb,\r | |
393 | FtwLiteDevice->FtwSpareLba + WorkSpaceLbaOffset,\r | |
394 | FtwLiteDevice->FtwWorkSpaceBase + sizeof (EFI_GUID) + sizeof (UINT32),\r | |
395 | WORKING_BLOCK_VALID\r | |
396 | );\r | |
397 | //\r | |
398 | // Read from spare block to memory buffer\r | |
399 | //\r | |
400 | Ptr = Buffer;\r | |
401 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
276a49b6 | 402 | Count = FtwLiteDevice->BlockSize;\r |
d7dec593 | 403 | Status = FtwLiteDevice->FtwBackupFvb->Read (\r |
404 | FtwLiteDevice->FtwBackupFvb,\r | |
405 | FtwLiteDevice->FtwSpareLba + Index,\r | |
406 | 0,\r | |
407 | &Count,\r | |
408 | Ptr\r | |
409 | );\r | |
410 | if (EFI_ERROR (Status)) {\r | |
411 | FreePool (Buffer);\r | |
412 | return Status;\r | |
413 | }\r | |
414 | \r | |
415 | Ptr += Count;\r | |
416 | }\r | |
417 | //\r | |
418 | // Clear the CRC and STATE, copy data from spare to working block.\r | |
419 | //\r | |
276a49b6 | 420 | WorkingBlockHeader = (EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER *) (Buffer + (UINTN) WorkSpaceLbaOffset * FtwLiteDevice->BlockSize + FtwLiteDevice->FtwWorkSpaceBase);\r |
d7dec593 | 421 | InitWorkSpaceHeader (WorkingBlockHeader);\r |
422 | WorkingBlockHeader->WorkingBlockValid = FTW_ERASE_POLARITY;\r | |
423 | WorkingBlockHeader->WorkingBlockInvalid = FTW_ERASE_POLARITY;\r | |
424 | \r | |
425 | //\r | |
426 | // target block is working block, then\r | |
427 | // Set WorkingBlockInvalid in EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER\r | |
428 | // before erase the working block.\r | |
429 | //\r | |
f3f2e05d | 430 | // Offset = OFFSET_OF(EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER,\r |
d7dec593 | 431 | // WorkingBlockInvalid);\r |
432 | // To skip Signature and Crc: sizeof(EFI_GUID)+sizeof(UINT32).\r | |
433 | //\r | |
434 | Status = FtwUpdateFvState (\r | |
435 | FtwLiteDevice->FtwFvBlock,\r | |
436 | FtwLiteDevice->FtwWorkSpaceLba,\r | |
437 | FtwLiteDevice->FtwWorkSpaceBase + sizeof (EFI_GUID) + sizeof (UINT32),\r | |
438 | WORKING_BLOCK_INVALID\r | |
439 | );\r | |
440 | if (EFI_ERROR (Status)) {\r | |
441 | FreePool (Buffer);\r | |
442 | return EFI_ABORTED;\r | |
443 | }\r | |
444 | \r | |
445 | FtwLiteDevice->FtwWorkSpaceHeader->WorkingBlockInvalid = FTW_VALID_STATE;\r | |
446 | \r | |
447 | //\r | |
448 | // Erase the working block\r | |
449 | //\r | |
450 | Status = FtwEraseBlock (\r | |
451 | FtwLiteDevice,\r | |
452 | FtwLiteDevice->FtwFvBlock,\r | |
453 | FtwLiteDevice->FtwWorkBlockLba\r | |
454 | );\r | |
455 | if (EFI_ERROR (Status)) {\r | |
456 | FreePool (Buffer);\r | |
457 | return EFI_ABORTED;\r | |
458 | }\r | |
459 | //\r | |
460 | // Write memory buffer to working block, using the FvbBlock protocol interface\r | |
461 | //\r | |
462 | Ptr = Buffer;\r | |
463 | for (Index = 0; Index < FtwLiteDevice->NumberOfSpareBlock; Index += 1) {\r | |
276a49b6 | 464 | Count = FtwLiteDevice->BlockSize;\r |
d7dec593 | 465 | Status = FtwLiteDevice->FtwFvBlock->Write (\r |
466 | FtwLiteDevice->FtwFvBlock,\r | |
467 | FtwLiteDevice->FtwWorkBlockLba + Index,\r | |
468 | 0,\r | |
469 | &Count,\r | |
470 | Ptr\r | |
471 | );\r | |
472 | if (EFI_ERROR (Status)) {\r | |
276a49b6 | 473 | DEBUG ((EFI_D_ERROR, "FtwLite: FVB Write block - %r\n", Status));\r |
d7dec593 | 474 | FreePool (Buffer);\r |
475 | return Status;\r | |
476 | }\r | |
477 | \r | |
478 | Ptr += Count;\r | |
479 | }\r | |
480 | //\r | |
481 | // Since the memory buffer will not be used, free memory Buffer.\r | |
482 | //\r | |
483 | FreePool (Buffer);\r | |
484 | \r | |
485 | //\r | |
486 | // Update the VALID of the working block\r | |
487 | //\r | |
f3f2e05d | 488 | // Offset = OFFSET_OF(EFI_FAULT_TOLERANT_WORKING_BLOCK_HEADER,\r |
d7dec593 | 489 | // WorkingBlockValid);\r |
490 | // Hardcode offset sizeof(EFI_GUID)+sizeof(UINT32), to skip Signature and Crc\r | |
491 | //\r | |
492 | Status = FtwUpdateFvState (\r | |
493 | FtwLiteDevice->FtwFvBlock,\r | |
494 | FtwLiteDevice->FtwWorkSpaceLba,\r | |
495 | FtwLiteDevice->FtwWorkSpaceBase + sizeof (EFI_GUID) + sizeof (UINT32),\r | |
496 | WORKING_BLOCK_VALID\r | |
497 | );\r | |
498 | if (EFI_ERROR (Status)) {\r | |
499 | return EFI_ABORTED;\r | |
500 | }\r | |
501 | \r | |
502 | FtwLiteDevice->FtwWorkSpaceHeader->WorkingBlockValid = FTW_VALID_STATE;\r | |
503 | \r | |
504 | return EFI_SUCCESS;\r | |
505 | }\r |