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03d486b2 JY |
1 | /** @file\r |
2 | UEFI PropertiesTable support\r | |
3 | \r | |
4 | Copyright (c) 2015, Intel Corporation. All rights reserved.<BR>\r | |
5 | This program and the accompanying materials\r | |
6 | are licensed and made available under the terms and conditions of the BSD License\r | |
7 | which accompanies this distribution. The full text of the license may be found at\r | |
8 | http://opensource.org/licenses/bsd-license.php\r | |
9 | \r | |
10 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | \r | |
13 | **/\r | |
14 | \r | |
15 | #include <PiDxe.h>\r | |
16 | #include <Library/BaseLib.h>\r | |
17 | #include <Library/BaseMemoryLib.h>\r | |
18 | #include <Library/MemoryAllocationLib.h>\r | |
19 | #include <Library/UefiBootServicesTableLib.h>\r | |
20 | #include <Library/DxeServicesTableLib.h>\r | |
21 | #include <Library/DebugLib.h>\r | |
22 | #include <Library/UefiLib.h>\r | |
23 | #include <Library/PcdLib.h>\r | |
24 | \r | |
25 | #include <Guid/EventGroup.h>\r | |
26 | #include <Protocol/DxeSmmReadyToLock.h>\r | |
27 | \r | |
28 | #include <Library/PeCoffLib.h>\r | |
29 | #include <Library/PeCoffGetEntryPointLib.h>\r | |
30 | #include <Protocol/Runtime.h>\r | |
31 | \r | |
32 | #include <Guid/PropertiesTable.h>\r | |
33 | \r | |
34 | #include "DxeMain.h"\r | |
35 | \r | |
36 | #define PREVIOUS_MEMORY_DESCRIPTOR(MemoryDescriptor, Size) \\r | |
37 | ((EFI_MEMORY_DESCRIPTOR *)((UINT8 *)(MemoryDescriptor) - (Size)))\r | |
38 | \r | |
39 | #define IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE SIGNATURE_32 ('I','P','R','C')\r | |
40 | \r | |
41 | typedef struct {\r | |
42 | UINT32 Signature;\r | |
43 | LIST_ENTRY Link;\r | |
44 | EFI_PHYSICAL_ADDRESS CodeSegmentBase;\r | |
45 | UINT64 CodeSegmentSize;\r | |
46 | } IMAGE_PROPERTIES_RECORD_CODE_SECTION;\r | |
47 | \r | |
48 | #define IMAGE_PROPERTIES_RECORD_SIGNATURE SIGNATURE_32 ('I','P','R','D')\r | |
49 | \r | |
50 | typedef struct {\r | |
51 | UINT32 Signature;\r | |
52 | LIST_ENTRY Link;\r | |
53 | EFI_PHYSICAL_ADDRESS ImageBase;\r | |
54 | UINT64 ImageSize;\r | |
55 | UINTN CodeSegmentCount;\r | |
56 | LIST_ENTRY CodeSegmentList;\r | |
57 | } IMAGE_PROPERTIES_RECORD;\r | |
58 | \r | |
59 | #define IMAGE_PROPERTIES_PRIVATE_DATA_SIGNATURE SIGNATURE_32 ('I','P','P','D')\r | |
60 | \r | |
61 | typedef struct {\r | |
62 | UINT32 Signature;\r | |
63 | UINTN ImageRecordCount;\r | |
64 | UINTN CodeSegmentCountMax;\r | |
65 | LIST_ENTRY ImageRecordList;\r | |
66 | } IMAGE_PROPERTIES_PRIVATE_DATA;\r | |
67 | \r | |
68 | IMAGE_PROPERTIES_PRIVATE_DATA mImagePropertiesPrivateData = {\r | |
69 | IMAGE_PROPERTIES_PRIVATE_DATA_SIGNATURE,\r | |
70 | 0,\r | |
71 | 0,\r | |
72 | INITIALIZE_LIST_HEAD_VARIABLE (mImagePropertiesPrivateData.ImageRecordList)\r | |
73 | };\r | |
74 | \r | |
75 | EFI_PROPERTIES_TABLE mPropertiesTable = {\r | |
76 | EFI_PROPERTIES_TABLE_VERSION,\r | |
77 | sizeof(EFI_PROPERTIES_TABLE),\r | |
78 | EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA\r | |
79 | };\r | |
80 | \r | |
81 | EFI_LOCK mPropertiesTableLock = EFI_INITIALIZE_LOCK_VARIABLE (TPL_NOTIFY);\r | |
82 | \r | |
83 | //\r | |
84 | // Below functions are for MemoryMap\r | |
85 | //\r | |
86 | \r | |
87 | /**\r | |
88 | Converts a number of EFI_PAGEs to a size in bytes.\r | |
89 | \r | |
90 | NOTE: Do not use EFI_PAGES_TO_SIZE because it handles UINTN only.\r | |
91 | \r | |
92 | @param Pages The number of EFI_PAGES.\r | |
93 | \r | |
94 | @return The number of bytes associated with the number of EFI_PAGEs specified\r | |
95 | by Pages.\r | |
96 | **/\r | |
97 | UINT64\r | |
98 | EfiPagesToSize (\r | |
99 | IN UINT64 Pages\r | |
100 | )\r | |
101 | {\r | |
102 | return LShiftU64 (Pages, EFI_PAGE_SHIFT);\r | |
103 | }\r | |
104 | \r | |
105 | /**\r | |
106 | Converts a size, in bytes, to a number of EFI_PAGESs.\r | |
107 | \r | |
108 | NOTE: Do not use EFI_SIZE_TO_PAGES because it handles UINTN only.\r | |
109 | \r | |
110 | @param Size A size in bytes.\r | |
111 | \r | |
112 | @return The number of EFI_PAGESs associated with the number of bytes specified\r | |
113 | by Size.\r | |
114 | \r | |
115 | **/\r | |
116 | UINT64\r | |
117 | EfiSizeToPages (\r | |
118 | IN UINT64 Size\r | |
119 | )\r | |
120 | {\r | |
121 | return RShiftU64 (Size, EFI_PAGE_SHIFT) + ((((UINTN)Size) & EFI_PAGE_MASK) ? 1 : 0);\r | |
122 | }\r | |
123 | \r | |
124 | /**\r | |
125 | Acquire memory lock on mPropertiesTableLock.\r | |
126 | **/\r | |
127 | VOID\r | |
128 | CoreAcquirePropertiesTableLock (\r | |
129 | VOID\r | |
130 | )\r | |
131 | {\r | |
132 | CoreAcquireLock (&mPropertiesTableLock);\r | |
133 | }\r | |
134 | \r | |
135 | /**\r | |
136 | Release memory lock on mPropertiesTableLock.\r | |
137 | **/\r | |
138 | VOID\r | |
139 | CoreReleasePropertiesTableLock (\r | |
140 | VOID\r | |
141 | )\r | |
142 | {\r | |
143 | CoreReleaseLock (&mPropertiesTableLock);\r | |
144 | }\r | |
145 | \r | |
03d486b2 JY |
146 | /**\r |
147 | Sort memory map entries based upon PhysicalStart, from low to high.\r | |
148 | \r | |
149 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
150 | the current memory map.\r | |
151 | @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r | |
152 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
153 | **/\r | |
154 | VOID\r | |
155 | SortMemoryMap (\r | |
156 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
157 | IN UINTN MemoryMapSize,\r | |
158 | IN UINTN DescriptorSize\r | |
159 | )\r | |
160 | {\r | |
161 | EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r | |
162 | EFI_MEMORY_DESCRIPTOR *NextMemoryMapEntry;\r | |
163 | EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r | |
164 | EFI_MEMORY_DESCRIPTOR TempMemoryMap;\r | |
165 | \r | |
166 | MemoryMapEntry = MemoryMap;\r | |
167 | NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
168 | MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r | |
169 | while (MemoryMapEntry < MemoryMapEnd) {\r | |
170 | while (NextMemoryMapEntry < MemoryMapEnd) {\r | |
171 | if (MemoryMapEntry->PhysicalStart > NextMemoryMapEntry->PhysicalStart) {\r | |
172 | CopyMem (&TempMemoryMap, MemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
173 | CopyMem (MemoryMapEntry, NextMemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
174 | CopyMem (NextMemoryMapEntry, &TempMemoryMap, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
175 | }\r | |
176 | \r | |
177 | NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (NextMemoryMapEntry, DescriptorSize);\r | |
178 | }\r | |
179 | \r | |
180 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
181 | NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
182 | }\r | |
183 | \r | |
184 | return ;\r | |
185 | }\r | |
186 | \r | |
187 | /**\r | |
188 | Merge continous memory map entries whose have same attributes.\r | |
189 | \r | |
190 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
191 | the current memory map.\r | |
192 | @param MemoryMapSize A pointer to the size, in bytes, of the\r | |
193 | MemoryMap buffer. On input, this is the size of\r | |
194 | the current memory map. On output,\r | |
195 | it is the size of new memory map after merge.\r | |
196 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
197 | **/\r | |
198 | VOID\r | |
199 | MergeMemoryMap (\r | |
200 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
201 | IN OUT UINTN *MemoryMapSize,\r | |
202 | IN UINTN DescriptorSize\r | |
203 | )\r | |
204 | {\r | |
205 | EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r | |
206 | EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r | |
207 | UINT64 MemoryBlockLength;\r | |
208 | EFI_MEMORY_DESCRIPTOR *NewMemoryMapEntry;\r | |
209 | EFI_MEMORY_DESCRIPTOR *NextMemoryMapEntry;\r | |
210 | \r | |
211 | MemoryMapEntry = MemoryMap;\r | |
212 | NewMemoryMapEntry = MemoryMap;\r | |
213 | MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + *MemoryMapSize);\r | |
214 | while ((UINTN)MemoryMapEntry < (UINTN)MemoryMapEnd) {\r | |
215 | CopyMem (NewMemoryMapEntry, MemoryMapEntry, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
216 | NextMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
217 | \r | |
218 | MemoryBlockLength = (UINT64) (EfiPagesToSize (MemoryMapEntry->NumberOfPages));\r | |
219 | if (((UINTN)NextMemoryMapEntry < (UINTN)MemoryMapEnd) &&\r | |
220 | (MemoryMapEntry->Type == NextMemoryMapEntry->Type) &&\r | |
221 | (MemoryMapEntry->Attribute == NextMemoryMapEntry->Attribute) &&\r | |
222 | ((MemoryMapEntry->PhysicalStart + MemoryBlockLength) == NextMemoryMapEntry->PhysicalStart)) {\r | |
223 | NewMemoryMapEntry->NumberOfPages += NextMemoryMapEntry->NumberOfPages;\r | |
224 | MemoryMapEntry = NextMemoryMapEntry;\r | |
225 | }\r | |
226 | \r | |
227 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
228 | NewMemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (NewMemoryMapEntry, DescriptorSize);\r | |
229 | }\r | |
230 | \r | |
231 | *MemoryMapSize = (UINTN)NewMemoryMapEntry - (UINTN)MemoryMap;\r | |
232 | \r | |
233 | return ;\r | |
234 | }\r | |
235 | \r | |
236 | /**\r | |
237 | Enforce memory map attributes.\r | |
238 | This function will set EfiRuntimeServicesData/EfiMemoryMappedIO/EfiMemoryMappedIOPortSpace to be EFI_MEMORY_XP.\r | |
239 | \r | |
240 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
241 | the current memory map.\r | |
242 | @param MemoryMapSize Size, in bytes, of the MemoryMap buffer.\r | |
243 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
244 | **/\r | |
245 | VOID\r | |
246 | EnforceMemoryMapAttribute (\r | |
247 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
248 | IN UINTN MemoryMapSize,\r | |
249 | IN UINTN DescriptorSize\r | |
250 | )\r | |
251 | {\r | |
252 | EFI_MEMORY_DESCRIPTOR *MemoryMapEntry;\r | |
253 | EFI_MEMORY_DESCRIPTOR *MemoryMapEnd;\r | |
254 | \r | |
255 | MemoryMapEntry = MemoryMap;\r | |
256 | MemoryMapEnd = (EFI_MEMORY_DESCRIPTOR *) ((UINT8 *) MemoryMap + MemoryMapSize);\r | |
257 | while ((UINTN)MemoryMapEntry < (UINTN)MemoryMapEnd) {\r | |
258 | switch (MemoryMapEntry->Type) {\r | |
259 | case EfiRuntimeServicesCode:\r | |
260 | // do nothing\r | |
261 | break;\r | |
262 | case EfiRuntimeServicesData:\r | |
263 | case EfiMemoryMappedIO:\r | |
264 | case EfiMemoryMappedIOPortSpace:\r | |
265 | MemoryMapEntry->Attribute |= EFI_MEMORY_XP;\r | |
266 | break;\r | |
267 | case EfiReservedMemoryType:\r | |
268 | case EfiACPIMemoryNVS:\r | |
269 | break;\r | |
270 | }\r | |
271 | \r | |
272 | MemoryMapEntry = NEXT_MEMORY_DESCRIPTOR (MemoryMapEntry, DescriptorSize);\r | |
273 | }\r | |
274 | \r | |
275 | return ;\r | |
276 | }\r | |
277 | \r | |
03d486b2 JY |
278 | /**\r |
279 | Return the first image record, whose [ImageBase, ImageSize] covered by [Buffer, Length].\r | |
280 | \r | |
281 | @param Buffer Start Address\r | |
282 | @param Length Address length\r | |
283 | \r | |
284 | @return first image record covered by [buffer, length]\r | |
285 | **/\r | |
286 | IMAGE_PROPERTIES_RECORD *\r | |
287 | GetImageRecordByAddress (\r | |
288 | IN EFI_PHYSICAL_ADDRESS Buffer,\r | |
289 | IN UINT64 Length\r | |
290 | )\r | |
291 | {\r | |
292 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
293 | LIST_ENTRY *ImageRecordLink;\r | |
294 | LIST_ENTRY *ImageRecordList;\r | |
295 | \r | |
296 | ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r | |
297 | \r | |
298 | for (ImageRecordLink = ImageRecordList->ForwardLink;\r | |
299 | ImageRecordLink != ImageRecordList;\r | |
300 | ImageRecordLink = ImageRecordLink->ForwardLink) {\r | |
301 | ImageRecord = CR (\r | |
302 | ImageRecordLink,\r | |
303 | IMAGE_PROPERTIES_RECORD,\r | |
304 | Link,\r | |
305 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
306 | );\r | |
307 | \r | |
308 | if ((Buffer <= ImageRecord->ImageBase) &&\r | |
309 | (Buffer + Length >= ImageRecord->ImageBase + ImageRecord->ImageSize)) {\r | |
310 | return ImageRecord;\r | |
311 | }\r | |
312 | }\r | |
313 | \r | |
314 | return NULL;\r | |
315 | }\r | |
316 | \r | |
317 | /**\r | |
318 | Set the memory map to new entries, according to one old entry,\r | |
319 | based upon PE code section and data section in image record\r | |
320 | \r | |
321 | @param ImageRecord An image record whose [ImageBase, ImageSize] covered\r | |
322 | by old memory map entry.\r | |
323 | @param NewRecord A pointer to several new memory map entries.\r | |
324 | The caller gurantee the buffer size be 1 +\r | |
325 | (SplitRecordCount * DescriptorSize) calculated\r | |
326 | below.\r | |
327 | @param OldRecord A pointer to one old memory map entry.\r | |
328 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
329 | **/\r | |
330 | UINTN\r | |
331 | SetNewRecord (\r | |
332 | IN IMAGE_PROPERTIES_RECORD *ImageRecord,\r | |
333 | IN OUT EFI_MEMORY_DESCRIPTOR *NewRecord,\r | |
334 | IN EFI_MEMORY_DESCRIPTOR *OldRecord,\r | |
335 | IN UINTN DescriptorSize\r | |
336 | )\r | |
337 | {\r | |
338 | EFI_MEMORY_DESCRIPTOR TempRecord;\r | |
339 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
340 | LIST_ENTRY *ImageRecordCodeSectionLink;\r | |
341 | LIST_ENTRY *ImageRecordCodeSectionEndLink;\r | |
342 | LIST_ENTRY *ImageRecordCodeSectionList;\r | |
343 | UINTN NewRecordCount;\r | |
344 | UINT64 PhysicalEnd;\r | |
345 | UINT64 ImageEnd;\r | |
346 | \r | |
347 | CopyMem (&TempRecord, OldRecord, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
348 | PhysicalEnd = TempRecord.PhysicalStart + EfiPagesToSize(TempRecord.NumberOfPages);\r | |
349 | NewRecordCount = 0;\r | |
350 | \r | |
351 | ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r | |
352 | \r | |
353 | ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r | |
354 | ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r | |
355 | while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r | |
356 | ImageRecordCodeSection = CR (\r | |
357 | ImageRecordCodeSectionLink,\r | |
358 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
359 | Link,\r | |
360 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
361 | );\r | |
362 | ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
363 | \r | |
364 | if (TempRecord.PhysicalStart <= ImageRecordCodeSection->CodeSegmentBase) {\r | |
365 | //\r | |
366 | // DATA\r | |
367 | //\r | |
368 | NewRecord->Type = EfiRuntimeServicesData;\r | |
369 | NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r | |
370 | NewRecord->VirtualStart = 0;\r | |
371 | NewRecord->NumberOfPages = EfiSizeToPages(ImageRecordCodeSection->CodeSegmentBase - NewRecord->PhysicalStart);\r | |
372 | NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r | |
373 | if (NewRecord->NumberOfPages != 0) {\r | |
374 | NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r | |
375 | NewRecordCount ++;\r | |
376 | }\r | |
377 | \r | |
378 | //\r | |
379 | // CODE\r | |
380 | //\r | |
381 | NewRecord->Type = EfiRuntimeServicesCode;\r | |
382 | NewRecord->PhysicalStart = ImageRecordCodeSection->CodeSegmentBase;\r | |
383 | NewRecord->VirtualStart = 0;\r | |
384 | NewRecord->NumberOfPages = EfiSizeToPages(ImageRecordCodeSection->CodeSegmentSize);\r | |
385 | NewRecord->Attribute = (TempRecord.Attribute & (~EFI_MEMORY_XP)) | EFI_MEMORY_RO;\r | |
386 | if (NewRecord->NumberOfPages != 0) {\r | |
387 | NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r | |
388 | NewRecordCount ++;\r | |
389 | }\r | |
390 | \r | |
391 | TempRecord.PhysicalStart = ImageRecordCodeSection->CodeSegmentBase + EfiPagesToSize (EfiSizeToPages(ImageRecordCodeSection->CodeSegmentSize));\r | |
392 | TempRecord.NumberOfPages = EfiSizeToPages(PhysicalEnd - TempRecord.PhysicalStart);\r | |
393 | if (TempRecord.NumberOfPages == 0) {\r | |
394 | break;\r | |
395 | }\r | |
396 | }\r | |
397 | }\r | |
398 | \r | |
399 | ImageEnd = ImageRecord->ImageBase + ImageRecord->ImageSize;\r | |
400 | \r | |
401 | //\r | |
402 | // Final DATA\r | |
403 | //\r | |
404 | if (TempRecord.PhysicalStart < ImageEnd) {\r | |
405 | NewRecord->Type = EfiRuntimeServicesData;\r | |
406 | NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r | |
407 | NewRecord->VirtualStart = 0;\r | |
408 | NewRecord->NumberOfPages = EfiSizeToPages (ImageEnd - TempRecord.PhysicalStart);\r | |
409 | NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r | |
410 | NewRecordCount ++;\r | |
411 | }\r | |
412 | \r | |
413 | return NewRecordCount;\r | |
414 | }\r | |
415 | \r | |
416 | /**\r | |
417 | Return the max number of new splitted entries, according to one old entry,\r | |
418 | based upon PE code section and data section.\r | |
419 | \r | |
420 | @param OldRecord A pointer to one old memory map entry.\r | |
421 | \r | |
422 | @retval 0 no entry need to be splitted.\r | |
423 | @return the max number of new splitted entries\r | |
424 | **/\r | |
425 | UINTN\r | |
426 | GetMaxSplitRecordCount (\r | |
427 | IN EFI_MEMORY_DESCRIPTOR *OldRecord\r | |
428 | )\r | |
429 | {\r | |
430 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
431 | UINTN SplitRecordCount;\r | |
432 | UINT64 PhysicalStart;\r | |
433 | UINT64 PhysicalEnd;\r | |
434 | \r | |
435 | SplitRecordCount = 0;\r | |
436 | PhysicalStart = OldRecord->PhysicalStart;\r | |
437 | PhysicalEnd = OldRecord->PhysicalStart + EfiPagesToSize(OldRecord->NumberOfPages);\r | |
438 | \r | |
439 | do {\r | |
440 | ImageRecord = GetImageRecordByAddress (PhysicalStart, PhysicalEnd - PhysicalStart);\r | |
441 | if (ImageRecord == NULL) {\r | |
442 | break;\r | |
443 | }\r | |
444 | SplitRecordCount += (2 * ImageRecord->CodeSegmentCount + 1);\r | |
445 | PhysicalStart = ImageRecord->ImageBase + ImageRecord->ImageSize;\r | |
446 | } while ((ImageRecord != NULL) && (PhysicalStart < PhysicalEnd));\r | |
447 | \r | |
448 | if (SplitRecordCount != 0) {\r | |
449 | SplitRecordCount--;\r | |
450 | }\r | |
451 | \r | |
452 | return SplitRecordCount;\r | |
453 | }\r | |
454 | \r | |
455 | /**\r | |
456 | Split the memory map to new entries, according to one old entry,\r | |
457 | based upon PE code section and data section.\r | |
458 | \r | |
459 | @param OldRecord A pointer to one old memory map entry.\r | |
460 | @param NewRecord A pointer to several new memory map entries.\r | |
461 | The caller gurantee the buffer size be 1 +\r | |
462 | (SplitRecordCount * DescriptorSize) calculated\r | |
463 | below.\r | |
9d58ab09 | 464 | @param MaxSplitRecordCount The max number of splitted entries\r |
03d486b2 JY |
465 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r |
466 | \r | |
467 | @retval 0 no entry is splitted.\r | |
468 | @return the real number of splitted record.\r | |
469 | **/\r | |
470 | UINTN\r | |
471 | SplitRecord (\r | |
472 | IN EFI_MEMORY_DESCRIPTOR *OldRecord,\r | |
473 | IN OUT EFI_MEMORY_DESCRIPTOR *NewRecord,\r | |
474 | IN UINTN MaxSplitRecordCount,\r | |
475 | IN UINTN DescriptorSize\r | |
476 | )\r | |
477 | {\r | |
478 | EFI_MEMORY_DESCRIPTOR TempRecord;\r | |
479 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
480 | IMAGE_PROPERTIES_RECORD *NewImageRecord;\r | |
481 | UINT64 PhysicalStart;\r | |
482 | UINT64 PhysicalEnd;\r | |
483 | UINTN NewRecordCount;\r | |
484 | UINTN TotalNewRecordCount;\r | |
485 | \r | |
486 | if (MaxSplitRecordCount == 0) {\r | |
487 | CopyMem (NewRecord, OldRecord, DescriptorSize);\r | |
488 | return 0;\r | |
489 | }\r | |
490 | \r | |
491 | TotalNewRecordCount = 0;\r | |
492 | \r | |
493 | //\r | |
494 | // Override previous record\r | |
495 | //\r | |
496 | CopyMem (&TempRecord, OldRecord, sizeof(EFI_MEMORY_DESCRIPTOR));\r | |
497 | PhysicalStart = TempRecord.PhysicalStart;\r | |
498 | PhysicalEnd = TempRecord.PhysicalStart + EfiPagesToSize(TempRecord.NumberOfPages);\r | |
499 | \r | |
500 | ImageRecord = NULL;\r | |
501 | do {\r | |
502 | NewImageRecord = GetImageRecordByAddress (PhysicalStart, PhysicalEnd - PhysicalStart);\r | |
503 | if (NewImageRecord == NULL) {\r | |
504 | //\r | |
505 | // No more image covered by this range, stop\r | |
506 | //\r | |
507 | if ((PhysicalEnd > PhysicalStart) && (ImageRecord != NULL)) {\r | |
508 | //\r | |
509 | // If this is still address in this record, need record.\r | |
510 | //\r | |
511 | NewRecord = PREVIOUS_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r | |
512 | if (NewRecord->Type == EfiRuntimeServicesData) {\r | |
513 | //\r | |
514 | // Last record is DATA, just merge it.\r | |
515 | //\r | |
516 | NewRecord->NumberOfPages = EfiSizeToPages(PhysicalEnd - NewRecord->PhysicalStart);\r | |
517 | } else {\r | |
518 | //\r | |
519 | // Last record is CODE, create a new DATA entry.\r | |
520 | //\r | |
521 | NewRecord = NEXT_MEMORY_DESCRIPTOR (NewRecord, DescriptorSize);\r | |
522 | NewRecord->Type = EfiRuntimeServicesData;\r | |
523 | NewRecord->PhysicalStart = TempRecord.PhysicalStart;\r | |
524 | NewRecord->VirtualStart = 0;\r | |
525 | NewRecord->NumberOfPages = TempRecord.NumberOfPages;\r | |
526 | NewRecord->Attribute = TempRecord.Attribute | EFI_MEMORY_XP;\r | |
527 | TotalNewRecordCount ++;\r | |
528 | }\r | |
529 | }\r | |
530 | break;\r | |
531 | }\r | |
532 | ImageRecord = NewImageRecord;\r | |
533 | \r | |
534 | //\r | |
535 | // Set new record\r | |
536 | //\r | |
537 | NewRecordCount = SetNewRecord (ImageRecord, NewRecord, &TempRecord, DescriptorSize);\r | |
538 | TotalNewRecordCount += NewRecordCount;\r | |
539 | NewRecord = (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)NewRecord + NewRecordCount * DescriptorSize);\r | |
540 | \r | |
541 | //\r | |
542 | // Update PhysicalStart, in order to exclude the image buffer already splitted.\r | |
543 | //\r | |
544 | PhysicalStart = ImageRecord->ImageBase + ImageRecord->ImageSize;\r | |
545 | TempRecord.PhysicalStart = PhysicalStart;\r | |
546 | TempRecord.NumberOfPages = EfiSizeToPages (PhysicalEnd - PhysicalStart);\r | |
547 | } while ((ImageRecord != NULL) && (PhysicalStart < PhysicalEnd));\r | |
548 | \r | |
549 | return TotalNewRecordCount - 1;\r | |
550 | }\r | |
551 | \r | |
552 | /**\r | |
553 | Split the original memory map, and add more entries to describe PE code section and data section.\r | |
554 | This function will set EfiRuntimeServicesData to be EFI_MEMORY_XP.\r | |
555 | This function will merge entries with same attributes finally.\r | |
556 | \r | |
557 | NOTE: It assumes PE code/data section are page aligned.\r | |
558 | NOTE: It assumes enough entry is prepared for new memory map.\r | |
559 | \r | |
560 | Split table:\r | |
561 | +---------------+\r | |
562 | | Record X |\r | |
563 | +---------------+\r | |
564 | | Record RtCode |\r | |
565 | +---------------+\r | |
566 | | Record Y |\r | |
567 | +---------------+\r | |
568 | ==>\r | |
569 | +---------------+\r | |
570 | | Record X |\r | |
571 | +---------------+ ----\r | |
572 | | Record RtData | |\r | |
573 | +---------------+ |\r | |
574 | | Record RtCode | |-> PE/COFF1\r | |
575 | +---------------+ |\r | |
576 | | Record RtData | |\r | |
577 | +---------------+ ----\r | |
578 | | Record RtData | |\r | |
579 | +---------------+ |\r | |
580 | | Record RtCode | |-> PE/COFF2\r | |
581 | +---------------+ |\r | |
582 | | Record RtData | |\r | |
583 | +---------------+ ----\r | |
584 | | Record Y |\r | |
585 | +---------------+\r | |
586 | \r | |
587 | @param MemoryMapSize A pointer to the size, in bytes, of the\r | |
588 | MemoryMap buffer. On input, this is the size of\r | |
589 | old MemoryMap before split. The actual buffer\r | |
590 | size of MemoryMap is MemoryMapSize +\r | |
591 | (AdditionalRecordCount * DescriptorSize) calculated\r | |
592 | below. On output, it is the size of new MemoryMap\r | |
593 | after split.\r | |
594 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
595 | the current memory map.\r | |
596 | @param DescriptorSize Size, in bytes, of an individual EFI_MEMORY_DESCRIPTOR.\r | |
597 | **/\r | |
598 | VOID\r | |
599 | SplitTable (\r | |
600 | IN OUT UINTN *MemoryMapSize,\r | |
601 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
602 | IN UINTN DescriptorSize\r | |
603 | )\r | |
604 | {\r | |
605 | INTN IndexOld;\r | |
606 | INTN IndexNew;\r | |
607 | UINTN MaxSplitRecordCount;\r | |
608 | UINTN RealSplitRecordCount;\r | |
609 | UINTN TotalSplitRecordCount;\r | |
610 | UINTN AdditionalRecordCount;\r | |
611 | \r | |
612 | AdditionalRecordCount = (2 * mImagePropertiesPrivateData.CodeSegmentCountMax + 1) * mImagePropertiesPrivateData.ImageRecordCount;\r | |
613 | \r | |
614 | TotalSplitRecordCount = 0;\r | |
615 | //\r | |
616 | // Let old record point to end of valid MemoryMap buffer.\r | |
617 | //\r | |
618 | IndexOld = ((*MemoryMapSize) / DescriptorSize) - 1;\r | |
619 | //\r | |
620 | // Let new record point to end of full MemoryMap buffer.\r | |
621 | //\r | |
622 | IndexNew = ((*MemoryMapSize) / DescriptorSize) - 1 + AdditionalRecordCount;\r | |
623 | for (; IndexOld >= 0; IndexOld--) {\r | |
624 | MaxSplitRecordCount = GetMaxSplitRecordCount ((EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexOld * DescriptorSize));\r | |
625 | //\r | |
626 | // Split this MemoryMap record\r | |
627 | //\r | |
628 | IndexNew -= MaxSplitRecordCount;\r | |
629 | RealSplitRecordCount = SplitRecord (\r | |
630 | (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexOld * DescriptorSize),\r | |
631 | (EFI_MEMORY_DESCRIPTOR *)((UINT8 *)MemoryMap + IndexNew * DescriptorSize),\r | |
632 | MaxSplitRecordCount,\r | |
633 | DescriptorSize\r | |
634 | );\r | |
635 | //\r | |
636 | // Adjust IndexNew according to real split.\r | |
637 | //\r | |
638 | CopyMem (\r | |
639 | ((UINT8 *)MemoryMap + (IndexNew + MaxSplitRecordCount - RealSplitRecordCount) * DescriptorSize),\r | |
640 | ((UINT8 *)MemoryMap + IndexNew * DescriptorSize),\r | |
641 | RealSplitRecordCount * DescriptorSize\r | |
642 | );\r | |
643 | IndexNew = IndexNew + MaxSplitRecordCount - RealSplitRecordCount;\r | |
644 | TotalSplitRecordCount += RealSplitRecordCount;\r | |
645 | IndexNew --;\r | |
646 | }\r | |
647 | //\r | |
648 | // Move all records to the beginning.\r | |
649 | //\r | |
650 | CopyMem (\r | |
651 | MemoryMap,\r | |
652 | (UINT8 *)MemoryMap + (AdditionalRecordCount - TotalSplitRecordCount) * DescriptorSize,\r | |
653 | (*MemoryMapSize) + TotalSplitRecordCount * DescriptorSize\r | |
654 | );\r | |
655 | \r | |
656 | *MemoryMapSize = (*MemoryMapSize) + DescriptorSize * TotalSplitRecordCount;\r | |
657 | \r | |
658 | //\r | |
659 | // Sort from low to high (Just in case)\r | |
660 | //\r | |
661 | SortMemoryMap (MemoryMap, *MemoryMapSize, DescriptorSize);\r | |
662 | \r | |
663 | //\r | |
664 | // Set RuntimeData to XP\r | |
665 | //\r | |
666 | EnforceMemoryMapAttribute (MemoryMap, *MemoryMapSize, DescriptorSize);\r | |
667 | \r | |
668 | //\r | |
669 | // Merge same type to save entry size\r | |
670 | //\r | |
671 | MergeMemoryMap (MemoryMap, MemoryMapSize, DescriptorSize);\r | |
672 | \r | |
673 | return ;\r | |
674 | }\r | |
675 | \r | |
676 | /**\r | |
677 | This function for GetMemoryMap() with properties table.\r | |
678 | \r | |
679 | It calls original GetMemoryMap() to get the original memory map information. Then\r | |
680 | plus the additional memory map entries for PE Code/Data seperation.\r | |
681 | \r | |
682 | @param MemoryMapSize A pointer to the size, in bytes, of the\r | |
683 | MemoryMap buffer. On input, this is the size of\r | |
684 | the buffer allocated by the caller. On output,\r | |
685 | it is the size of the buffer returned by the\r | |
686 | firmware if the buffer was large enough, or the\r | |
687 | size of the buffer needed to contain the map if\r | |
688 | the buffer was too small.\r | |
689 | @param MemoryMap A pointer to the buffer in which firmware places\r | |
690 | the current memory map.\r | |
691 | @param MapKey A pointer to the location in which firmware\r | |
692 | returns the key for the current memory map.\r | |
693 | @param DescriptorSize A pointer to the location in which firmware\r | |
694 | returns the size, in bytes, of an individual\r | |
695 | EFI_MEMORY_DESCRIPTOR.\r | |
696 | @param DescriptorVersion A pointer to the location in which firmware\r | |
697 | returns the version number associated with the\r | |
698 | EFI_MEMORY_DESCRIPTOR.\r | |
699 | \r | |
700 | @retval EFI_SUCCESS The memory map was returned in the MemoryMap\r | |
701 | buffer.\r | |
702 | @retval EFI_BUFFER_TOO_SMALL The MemoryMap buffer was too small. The current\r | |
703 | buffer size needed to hold the memory map is\r | |
704 | returned in MemoryMapSize.\r | |
705 | @retval EFI_INVALID_PARAMETER One of the parameters has an invalid value.\r | |
706 | \r | |
707 | **/\r | |
708 | EFI_STATUS\r | |
709 | EFIAPI\r | |
710 | CoreGetMemoryMapPropertiesTable (\r | |
711 | IN OUT UINTN *MemoryMapSize,\r | |
712 | IN OUT EFI_MEMORY_DESCRIPTOR *MemoryMap,\r | |
713 | OUT UINTN *MapKey,\r | |
714 | OUT UINTN *DescriptorSize,\r | |
715 | OUT UINT32 *DescriptorVersion\r | |
716 | )\r | |
717 | {\r | |
718 | EFI_STATUS Status;\r | |
719 | UINTN OldMemoryMapSize;\r | |
720 | UINTN AdditionalRecordCount;\r | |
721 | \r | |
722 | //\r | |
723 | // If PE code/data is not aligned, just return.\r | |
724 | //\r | |
725 | if ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) == 0) {\r | |
726 | return CoreGetMemoryMap (MemoryMapSize, MemoryMap, MapKey, DescriptorSize, DescriptorVersion);\r | |
727 | }\r | |
728 | \r | |
729 | if (MemoryMapSize == NULL) {\r | |
730 | return EFI_INVALID_PARAMETER;\r | |
731 | }\r | |
732 | \r | |
733 | CoreAcquirePropertiesTableLock ();\r | |
734 | \r | |
735 | AdditionalRecordCount = (2 * mImagePropertiesPrivateData.CodeSegmentCountMax + 1) * mImagePropertiesPrivateData.ImageRecordCount;\r | |
736 | \r | |
737 | OldMemoryMapSize = *MemoryMapSize;\r | |
738 | Status = CoreGetMemoryMap (MemoryMapSize, MemoryMap, MapKey, DescriptorSize, DescriptorVersion);\r | |
739 | if (Status == EFI_BUFFER_TOO_SMALL) {\r | |
740 | *MemoryMapSize = *MemoryMapSize + (*DescriptorSize) * AdditionalRecordCount;\r | |
741 | } else if (Status == EFI_SUCCESS) {\r | |
742 | if (OldMemoryMapSize - *MemoryMapSize < (*DescriptorSize) * AdditionalRecordCount) {\r | |
743 | *MemoryMapSize = *MemoryMapSize + (*DescriptorSize) * AdditionalRecordCount;\r | |
744 | //\r | |
745 | // Need update status to buffer too small\r | |
746 | //\r | |
747 | Status = EFI_BUFFER_TOO_SMALL;\r | |
748 | } else {\r | |
749 | //\r | |
750 | // Split PE code/data\r | |
751 | //\r | |
752 | SplitTable (MemoryMapSize, MemoryMap, *DescriptorSize);\r | |
753 | }\r | |
754 | }\r | |
755 | \r | |
756 | CoreReleasePropertiesTableLock ();\r | |
757 | return Status;\r | |
758 | }\r | |
759 | \r | |
760 | //\r | |
761 | // Below functions are for ImageRecord\r | |
762 | //\r | |
763 | \r | |
764 | /**\r | |
765 | Set PropertiesTable accroding to PE/COFF image section alignment.\r | |
766 | \r | |
767 | @param SectionAlignment PE/COFF section alignment\r | |
768 | **/\r | |
769 | VOID\r | |
770 | SetPropertiesTableSectionAlignment (\r | |
771 | IN UINT32 SectionAlignment\r | |
772 | )\r | |
773 | {\r | |
774 | if (((SectionAlignment & (SIZE_4KB - 1)) != 0) &&\r | |
775 | ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) != 0)) {\r | |
776 | DEBUG ((EFI_D_VERBOSE, "SetPropertiesTableSectionAlignment - Clear\n"));\r | |
777 | mPropertiesTable.MemoryProtectionAttribute &= ~EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA;\r | |
778 | gBS->GetMemoryMap = CoreGetMemoryMap;\r | |
779 | gBS->Hdr.CRC32 = 0;\r | |
780 | gBS->CalculateCrc32 ((UINT8 *)gBS, gBS->Hdr.HeaderSize, &gBS->Hdr.CRC32);\r | |
781 | }\r | |
782 | }\r | |
783 | \r | |
784 | /**\r | |
785 | Swap two code sections in image record.\r | |
786 | \r | |
787 | @param FirstImageRecordCodeSection first code section in image record\r | |
788 | @param SecondImageRecordCodeSection second code section in image record\r | |
789 | **/\r | |
790 | VOID\r | |
791 | SwapImageRecordCodeSection (\r | |
792 | IN IMAGE_PROPERTIES_RECORD_CODE_SECTION *FirstImageRecordCodeSection,\r | |
793 | IN IMAGE_PROPERTIES_RECORD_CODE_SECTION *SecondImageRecordCodeSection\r | |
794 | )\r | |
795 | {\r | |
796 | IMAGE_PROPERTIES_RECORD_CODE_SECTION TempImageRecordCodeSection;\r | |
797 | \r | |
798 | TempImageRecordCodeSection.CodeSegmentBase = FirstImageRecordCodeSection->CodeSegmentBase;\r | |
799 | TempImageRecordCodeSection.CodeSegmentSize = FirstImageRecordCodeSection->CodeSegmentSize;\r | |
800 | \r | |
801 | FirstImageRecordCodeSection->CodeSegmentBase = SecondImageRecordCodeSection->CodeSegmentBase;\r | |
802 | FirstImageRecordCodeSection->CodeSegmentSize = SecondImageRecordCodeSection->CodeSegmentSize;\r | |
803 | \r | |
804 | SecondImageRecordCodeSection->CodeSegmentBase = TempImageRecordCodeSection.CodeSegmentBase;\r | |
805 | SecondImageRecordCodeSection->CodeSegmentSize = TempImageRecordCodeSection.CodeSegmentSize;\r | |
806 | }\r | |
807 | \r | |
808 | /**\r | |
809 | Sort code section in image record, based upon CodeSegmentBase from low to high.\r | |
810 | \r | |
811 | @param ImageRecord image record to be sorted\r | |
812 | **/\r | |
813 | VOID\r | |
814 | SortImageRecordCodeSection (\r | |
815 | IN IMAGE_PROPERTIES_RECORD *ImageRecord\r | |
816 | )\r | |
817 | {\r | |
818 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
819 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *NextImageRecordCodeSection;\r | |
820 | LIST_ENTRY *ImageRecordCodeSectionLink;\r | |
821 | LIST_ENTRY *NextImageRecordCodeSectionLink;\r | |
822 | LIST_ENTRY *ImageRecordCodeSectionEndLink;\r | |
823 | LIST_ENTRY *ImageRecordCodeSectionList;\r | |
824 | \r | |
825 | ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r | |
826 | \r | |
827 | ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r | |
828 | NextImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
829 | ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r | |
830 | while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r | |
831 | ImageRecordCodeSection = CR (\r | |
832 | ImageRecordCodeSectionLink,\r | |
833 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
834 | Link,\r | |
835 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
836 | );\r | |
837 | while (NextImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r | |
838 | NextImageRecordCodeSection = CR (\r | |
839 | NextImageRecordCodeSectionLink,\r | |
840 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
841 | Link,\r | |
842 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
843 | );\r | |
844 | if (ImageRecordCodeSection->CodeSegmentBase > NextImageRecordCodeSection->CodeSegmentBase) {\r | |
845 | SwapImageRecordCodeSection (ImageRecordCodeSection, NextImageRecordCodeSection);\r | |
846 | }\r | |
847 | NextImageRecordCodeSectionLink = NextImageRecordCodeSectionLink->ForwardLink;\r | |
848 | }\r | |
849 | \r | |
850 | ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
851 | NextImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
852 | }\r | |
853 | }\r | |
854 | \r | |
855 | /**\r | |
9d58ab09 | 856 | Check if code section in image record is valid.\r |
03d486b2 JY |
857 | \r |
858 | @param ImageRecord image record to be checked\r | |
859 | \r | |
860 | @retval TRUE image record is valid\r | |
861 | @retval FALSE image record is invalid\r | |
862 | **/\r | |
863 | BOOLEAN\r | |
864 | IsImageRecordCodeSectionValid (\r | |
865 | IN IMAGE_PROPERTIES_RECORD *ImageRecord\r | |
866 | )\r | |
867 | {\r | |
868 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
869 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *LastImageRecordCodeSection;\r | |
870 | LIST_ENTRY *ImageRecordCodeSectionLink;\r | |
871 | LIST_ENTRY *ImageRecordCodeSectionEndLink;\r | |
872 | LIST_ENTRY *ImageRecordCodeSectionList;\r | |
873 | \r | |
874 | DEBUG ((EFI_D_VERBOSE, "ImageCode SegmentCount - 0x%x\n", ImageRecord->CodeSegmentCount));\r | |
875 | \r | |
876 | ImageRecordCodeSectionList = &ImageRecord->CodeSegmentList;\r | |
877 | \r | |
878 | ImageRecordCodeSectionLink = ImageRecordCodeSectionList->ForwardLink;\r | |
879 | ImageRecordCodeSectionEndLink = ImageRecordCodeSectionList;\r | |
880 | LastImageRecordCodeSection = NULL;\r | |
881 | while (ImageRecordCodeSectionLink != ImageRecordCodeSectionEndLink) {\r | |
882 | ImageRecordCodeSection = CR (\r | |
883 | ImageRecordCodeSectionLink,\r | |
884 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
885 | Link,\r | |
886 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
887 | );\r | |
888 | if (ImageRecordCodeSection->CodeSegmentSize == 0) {\r | |
889 | return FALSE;\r | |
890 | }\r | |
891 | if (ImageRecordCodeSection->CodeSegmentBase < ImageRecord->ImageBase) {\r | |
892 | return FALSE;\r | |
893 | }\r | |
894 | if (ImageRecordCodeSection->CodeSegmentBase >= MAX_ADDRESS - ImageRecordCodeSection->CodeSegmentSize) {\r | |
895 | return FALSE;\r | |
896 | }\r | |
897 | if ((ImageRecordCodeSection->CodeSegmentBase + ImageRecordCodeSection->CodeSegmentSize) > (ImageRecord->ImageBase + ImageRecord->ImageSize)) {\r | |
898 | return FALSE;\r | |
899 | }\r | |
900 | if (LastImageRecordCodeSection != NULL) {\r | |
901 | if ((LastImageRecordCodeSection->CodeSegmentBase + LastImageRecordCodeSection->CodeSegmentSize) > ImageRecordCodeSection->CodeSegmentBase) {\r | |
902 | return FALSE;\r | |
903 | }\r | |
904 | }\r | |
905 | \r | |
906 | LastImageRecordCodeSection = ImageRecordCodeSection;\r | |
907 | ImageRecordCodeSectionLink = ImageRecordCodeSectionLink->ForwardLink;\r | |
908 | }\r | |
909 | \r | |
910 | return TRUE;\r | |
911 | }\r | |
912 | \r | |
913 | /**\r | |
914 | Swap two image records.\r | |
915 | \r | |
916 | @param FirstImageRecord first image record.\r | |
917 | @param SecondImageRecord second image record.\r | |
918 | **/\r | |
919 | VOID\r | |
920 | SwapImageRecord (\r | |
921 | IN IMAGE_PROPERTIES_RECORD *FirstImageRecord,\r | |
922 | IN IMAGE_PROPERTIES_RECORD *SecondImageRecord\r | |
923 | )\r | |
924 | {\r | |
925 | IMAGE_PROPERTIES_RECORD TempImageRecord;\r | |
926 | \r | |
927 | TempImageRecord.ImageBase = FirstImageRecord->ImageBase;\r | |
928 | TempImageRecord.ImageSize = FirstImageRecord->ImageSize;\r | |
929 | TempImageRecord.CodeSegmentCount = FirstImageRecord->CodeSegmentCount;\r | |
930 | \r | |
931 | FirstImageRecord->ImageBase = SecondImageRecord->ImageBase;\r | |
932 | FirstImageRecord->ImageSize = SecondImageRecord->ImageSize;\r | |
933 | FirstImageRecord->CodeSegmentCount = SecondImageRecord->CodeSegmentCount;\r | |
934 | \r | |
935 | SecondImageRecord->ImageBase = TempImageRecord.ImageBase;\r | |
936 | SecondImageRecord->ImageSize = TempImageRecord.ImageSize;\r | |
937 | SecondImageRecord->CodeSegmentCount = TempImageRecord.CodeSegmentCount;\r | |
938 | \r | |
939 | SwapListEntries (&FirstImageRecord->CodeSegmentList, &SecondImageRecord->CodeSegmentList);\r | |
940 | }\r | |
941 | \r | |
942 | /**\r | |
943 | Sort image record based upon the ImageBase from low to high.\r | |
944 | **/\r | |
945 | VOID\r | |
946 | SortImageRecord (\r | |
947 | VOID\r | |
948 | )\r | |
949 | {\r | |
950 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
951 | IMAGE_PROPERTIES_RECORD *NextImageRecord;\r | |
952 | LIST_ENTRY *ImageRecordLink;\r | |
953 | LIST_ENTRY *NextImageRecordLink;\r | |
954 | LIST_ENTRY *ImageRecordEndLink;\r | |
955 | LIST_ENTRY *ImageRecordList;\r | |
956 | \r | |
957 | ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r | |
958 | \r | |
959 | ImageRecordLink = ImageRecordList->ForwardLink;\r | |
960 | NextImageRecordLink = ImageRecordLink->ForwardLink;\r | |
961 | ImageRecordEndLink = ImageRecordList;\r | |
962 | while (ImageRecordLink != ImageRecordEndLink) {\r | |
963 | ImageRecord = CR (\r | |
964 | ImageRecordLink,\r | |
965 | IMAGE_PROPERTIES_RECORD,\r | |
966 | Link,\r | |
967 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
968 | );\r | |
969 | while (NextImageRecordLink != ImageRecordEndLink) {\r | |
970 | NextImageRecord = CR (\r | |
971 | NextImageRecordLink,\r | |
972 | IMAGE_PROPERTIES_RECORD,\r | |
973 | Link,\r | |
974 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
975 | );\r | |
976 | if (ImageRecord->ImageBase > NextImageRecord->ImageBase) {\r | |
977 | SwapImageRecord (ImageRecord, NextImageRecord);\r | |
978 | }\r | |
979 | NextImageRecordLink = NextImageRecordLink->ForwardLink;\r | |
980 | }\r | |
981 | \r | |
982 | ImageRecordLink = ImageRecordLink->ForwardLink;\r | |
983 | NextImageRecordLink = ImageRecordLink->ForwardLink;\r | |
984 | }\r | |
985 | }\r | |
986 | \r | |
987 | /**\r | |
9d58ab09 | 988 | Dump image record.\r |
03d486b2 JY |
989 | **/\r |
990 | VOID\r | |
991 | DumpImageRecord (\r | |
992 | VOID\r | |
993 | )\r | |
994 | {\r | |
995 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
996 | LIST_ENTRY *ImageRecordLink;\r | |
997 | LIST_ENTRY *ImageRecordList;\r | |
998 | UINTN Index;\r | |
999 | \r | |
1000 | ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r | |
1001 | \r | |
1002 | for (ImageRecordLink = ImageRecordList->ForwardLink, Index= 0;\r | |
1003 | ImageRecordLink != ImageRecordList;\r | |
1004 | ImageRecordLink = ImageRecordLink->ForwardLink, Index++) {\r | |
1005 | ImageRecord = CR (\r | |
1006 | ImageRecordLink,\r | |
1007 | IMAGE_PROPERTIES_RECORD,\r | |
1008 | Link,\r | |
1009 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
1010 | );\r | |
1011 | DEBUG ((EFI_D_VERBOSE, " Image[%d]: 0x%016lx - 0x%016lx\n", Index, ImageRecord->ImageBase, ImageRecord->ImageSize));\r | |
1012 | }\r | |
1013 | }\r | |
1014 | \r | |
1015 | /**\r | |
1016 | Insert image record.\r | |
1017 | \r | |
1018 | @param RuntimeImage Runtime image information\r | |
1019 | **/\r | |
1020 | VOID\r | |
1021 | InsertImageRecord (\r | |
1022 | IN EFI_RUNTIME_IMAGE_ENTRY *RuntimeImage\r | |
1023 | )\r | |
1024 | {\r | |
1025 | VOID *ImageAddress;\r | |
1026 | EFI_IMAGE_DOS_HEADER *DosHdr;\r | |
1027 | UINT32 PeCoffHeaderOffset;\r | |
1028 | UINT32 SectionAlignment;\r | |
03d486b2 JY |
1029 | EFI_IMAGE_SECTION_HEADER *Section;\r |
1030 | EFI_IMAGE_OPTIONAL_HEADER_PTR_UNION Hdr;\r | |
03d486b2 JY |
1031 | UINT8 *Name;\r |
1032 | UINTN Index;\r | |
1033 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
1034 | CHAR8 *PdbPointer;\r | |
1035 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
81338070 | 1036 | UINT16 Magic;\r |
03d486b2 JY |
1037 | \r |
1038 | DEBUG ((EFI_D_VERBOSE, "InsertImageRecord - 0x%x\n", RuntimeImage));\r | |
1039 | DEBUG ((EFI_D_VERBOSE, "InsertImageRecord - 0x%016lx - 0x%016lx\n", (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize));\r | |
1040 | \r | |
1041 | ImageRecord = AllocatePool (sizeof(*ImageRecord));\r | |
1042 | if (ImageRecord == NULL) {\r | |
1043 | return ;\r | |
1044 | }\r | |
1045 | ImageRecord->Signature = IMAGE_PROPERTIES_RECORD_SIGNATURE;\r | |
1046 | \r | |
1047 | DEBUG ((EFI_D_VERBOSE, "ImageRecordCount - 0x%x\n", mImagePropertiesPrivateData.ImageRecordCount));\r | |
1048 | \r | |
1049 | //\r | |
1050 | // Step 1: record whole region\r | |
1051 | //\r | |
1052 | ImageRecord->ImageBase = (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase;\r | |
1053 | ImageRecord->ImageSize = RuntimeImage->ImageSize;\r | |
1054 | \r | |
1055 | ImageAddress = RuntimeImage->ImageBase;\r | |
1056 | \r | |
1057 | PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r | |
1058 | if (PdbPointer != NULL) {\r | |
1059 | DEBUG ((EFI_D_VERBOSE, " Image - %a\n", PdbPointer));\r | |
1060 | }\r | |
1061 | \r | |
1062 | //\r | |
1063 | // Check PE/COFF image\r | |
1064 | //\r | |
1065 | DosHdr = (EFI_IMAGE_DOS_HEADER *) (UINTN) ImageAddress;\r | |
1066 | PeCoffHeaderOffset = 0;\r | |
1067 | if (DosHdr->e_magic == EFI_IMAGE_DOS_SIGNATURE) {\r | |
1068 | PeCoffHeaderOffset = DosHdr->e_lfanew;\r | |
1069 | }\r | |
1070 | \r | |
1071 | Hdr.Pe32 = (EFI_IMAGE_NT_HEADERS32 *)((UINT8 *) (UINTN) ImageAddress + PeCoffHeaderOffset);\r | |
1072 | if (Hdr.Pe32->Signature != EFI_IMAGE_NT_SIGNATURE) {\r | |
1073 | DEBUG ((EFI_D_VERBOSE, "Hdr.Pe32->Signature invalid - 0x%x\n", Hdr.Pe32->Signature));\r | |
81338070 | 1074 | // It might be image in SMM.\r |
03d486b2 JY |
1075 | goto Finish;\r |
1076 | }\r | |
1077 | \r | |
1078 | //\r | |
81338070 | 1079 | // Get SectionAlignment\r |
03d486b2 JY |
1080 | //\r |
1081 | if (Hdr.Pe32->FileHeader.Machine == IMAGE_FILE_MACHINE_IA64 && Hdr.Pe32->OptionalHeader.Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1082 | //\r | |
1083 | // NOTE: Some versions of Linux ELILO for Itanium have an incorrect magic value\r | |
1084 | // in the PE/COFF Header. If the MachineType is Itanium(IA64) and the\r | |
1085 | // Magic value in the OptionalHeader is EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC\r | |
1086 | // then override the magic value to EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC\r | |
1087 | //\r | |
81338070 | 1088 | Magic = EFI_IMAGE_NT_OPTIONAL_HDR64_MAGIC;\r |
03d486b2 JY |
1089 | } else {\r |
1090 | //\r | |
1091 | // Get the magic value from the PE/COFF Optional Header\r | |
1092 | //\r | |
81338070 JY |
1093 | Magic = Hdr.Pe32->OptionalHeader.Magic;\r |
1094 | }\r | |
1095 | if (Magic == EFI_IMAGE_NT_OPTIONAL_HDR32_MAGIC) {\r | |
1096 | SectionAlignment = Hdr.Pe32->OptionalHeader.SectionAlignment;\r | |
1097 | } else {\r | |
03d486b2 JY |
1098 | SectionAlignment = Hdr.Pe32Plus->OptionalHeader.SectionAlignment;\r |
1099 | }\r | |
1100 | \r | |
1101 | SetPropertiesTableSectionAlignment (SectionAlignment);\r | |
1102 | if ((SectionAlignment & (SIZE_4KB - 1)) != 0) {\r | |
1103 | DEBUG ((EFI_D_ERROR, "!!!!!!!! InsertImageRecord - Section Alignment(0x%x) is not 4K !!!!!!!!\n", SectionAlignment));\r | |
1104 | PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r | |
1105 | if (PdbPointer != NULL) {\r | |
1106 | DEBUG ((EFI_D_ERROR, "!!!!!!!! Image - %a !!!!!!!!\n", PdbPointer));\r | |
1107 | }\r | |
1108 | goto Finish;\r | |
1109 | }\r | |
1110 | \r | |
1111 | Section = (EFI_IMAGE_SECTION_HEADER *) (\r | |
1112 | (UINT8 *) (UINTN) ImageAddress +\r | |
1113 | PeCoffHeaderOffset +\r | |
1114 | sizeof(UINT32) +\r | |
1115 | sizeof(EFI_IMAGE_FILE_HEADER) +\r | |
1116 | Hdr.Pe32->FileHeader.SizeOfOptionalHeader\r | |
1117 | );\r | |
1118 | ImageRecord->CodeSegmentCount = 0;\r | |
1119 | InitializeListHead (&ImageRecord->CodeSegmentList);\r | |
1120 | for (Index = 0; Index < Hdr.Pe32->FileHeader.NumberOfSections; Index++) {\r | |
1121 | Name = Section[Index].Name;\r | |
1122 | DEBUG ((\r | |
1123 | EFI_D_VERBOSE,\r | |
1124 | " Section - '%c%c%c%c%c%c%c%c'\n",\r | |
1125 | Name[0],\r | |
1126 | Name[1],\r | |
1127 | Name[2],\r | |
1128 | Name[3],\r | |
1129 | Name[4],\r | |
1130 | Name[5],\r | |
1131 | Name[6],\r | |
1132 | Name[7]\r | |
1133 | ));\r | |
1134 | \r | |
1135 | if ((Section[Index].Characteristics & EFI_IMAGE_SCN_CNT_CODE) != 0) {\r | |
1136 | DEBUG ((EFI_D_VERBOSE, " VirtualSize - 0x%08x\n", Section[Index].Misc.VirtualSize));\r | |
1137 | DEBUG ((EFI_D_VERBOSE, " VirtualAddress - 0x%08x\n", Section[Index].VirtualAddress));\r | |
1138 | DEBUG ((EFI_D_VERBOSE, " SizeOfRawData - 0x%08x\n", Section[Index].SizeOfRawData));\r | |
1139 | DEBUG ((EFI_D_VERBOSE, " PointerToRawData - 0x%08x\n", Section[Index].PointerToRawData));\r | |
1140 | DEBUG ((EFI_D_VERBOSE, " PointerToRelocations - 0x%08x\n", Section[Index].PointerToRelocations));\r | |
1141 | DEBUG ((EFI_D_VERBOSE, " PointerToLinenumbers - 0x%08x\n", Section[Index].PointerToLinenumbers));\r | |
1142 | DEBUG ((EFI_D_VERBOSE, " NumberOfRelocations - 0x%08x\n", Section[Index].NumberOfRelocations));\r | |
1143 | DEBUG ((EFI_D_VERBOSE, " NumberOfLinenumbers - 0x%08x\n", Section[Index].NumberOfLinenumbers));\r | |
1144 | DEBUG ((EFI_D_VERBOSE, " Characteristics - 0x%08x\n", Section[Index].Characteristics));\r | |
1145 | \r | |
1146 | //\r | |
1147 | // Step 2: record code section\r | |
1148 | //\r | |
1149 | ImageRecordCodeSection = AllocatePool (sizeof(*ImageRecordCodeSection));\r | |
1150 | if (ImageRecordCodeSection == NULL) {\r | |
1151 | return ;\r | |
1152 | }\r | |
1153 | ImageRecordCodeSection->Signature = IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE;\r | |
1154 | \r | |
1155 | ImageRecordCodeSection->CodeSegmentBase = (UINTN)ImageAddress + Section[Index].VirtualAddress;\r | |
1156 | ImageRecordCodeSection->CodeSegmentSize = Section[Index].SizeOfRawData;\r | |
1157 | \r | |
1158 | DEBUG ((EFI_D_VERBOSE, "ImageCode: 0x%016lx - 0x%016lx\n", ImageRecordCodeSection->CodeSegmentBase, ImageRecordCodeSection->CodeSegmentSize));\r | |
1159 | \r | |
1160 | InsertTailList (&ImageRecord->CodeSegmentList, &ImageRecordCodeSection->Link);\r | |
1161 | ImageRecord->CodeSegmentCount++;\r | |
1162 | }\r | |
1163 | }\r | |
1164 | \r | |
1165 | if (ImageRecord->CodeSegmentCount == 0) {\r | |
1166 | SetPropertiesTableSectionAlignment (1);\r | |
1167 | DEBUG ((EFI_D_ERROR, "!!!!!!!! InsertImageRecord - CodeSegmentCount is 0 !!!!!!!!\n"));\r | |
1168 | PdbPointer = PeCoffLoaderGetPdbPointer ((VOID*) (UINTN) ImageAddress);\r | |
1169 | if (PdbPointer != NULL) {\r | |
1170 | DEBUG ((EFI_D_ERROR, "!!!!!!!! Image - %a !!!!!!!!\n", PdbPointer));\r | |
1171 | }\r | |
1172 | goto Finish;\r | |
1173 | }\r | |
1174 | \r | |
1175 | //\r | |
1176 | // Final\r | |
1177 | //\r | |
1178 | SortImageRecordCodeSection (ImageRecord);\r | |
1179 | //\r | |
1180 | // Check overlap all section in ImageBase/Size\r | |
1181 | //\r | |
1182 | if (!IsImageRecordCodeSectionValid (ImageRecord)) {\r | |
1183 | DEBUG ((EFI_D_ERROR, "IsImageRecordCodeSectionValid - FAIL\n"));\r | |
1184 | goto Finish;\r | |
1185 | }\r | |
1186 | \r | |
1187 | InsertTailList (&mImagePropertiesPrivateData.ImageRecordList, &ImageRecord->Link);\r | |
1188 | mImagePropertiesPrivateData.ImageRecordCount++;\r | |
1189 | \r | |
1190 | SortImageRecord ();\r | |
1191 | \r | |
1192 | if (mImagePropertiesPrivateData.CodeSegmentCountMax < ImageRecord->CodeSegmentCount) {\r | |
1193 | mImagePropertiesPrivateData.CodeSegmentCountMax = ImageRecord->CodeSegmentCount;\r | |
1194 | }\r | |
1195 | \r | |
1196 | Finish:\r | |
1197 | return ;\r | |
1198 | }\r | |
1199 | \r | |
1200 | /**\r | |
1201 | Find image record accroding to image base and size.\r | |
1202 | \r | |
1203 | @param ImageBase Base of PE image\r | |
1204 | @param ImageSize Size of PE image\r | |
1205 | \r | |
1206 | @return image record\r | |
1207 | **/\r | |
1208 | IMAGE_PROPERTIES_RECORD *\r | |
1209 | FindImageRecord (\r | |
1210 | IN EFI_PHYSICAL_ADDRESS ImageBase,\r | |
1211 | IN UINT64 ImageSize\r | |
1212 | )\r | |
1213 | {\r | |
1214 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
1215 | LIST_ENTRY *ImageRecordLink;\r | |
1216 | LIST_ENTRY *ImageRecordList;\r | |
1217 | \r | |
1218 | ImageRecordList = &mImagePropertiesPrivateData.ImageRecordList;\r | |
1219 | \r | |
1220 | for (ImageRecordLink = ImageRecordList->ForwardLink;\r | |
1221 | ImageRecordLink != ImageRecordList;\r | |
1222 | ImageRecordLink = ImageRecordLink->ForwardLink) {\r | |
1223 | ImageRecord = CR (\r | |
1224 | ImageRecordLink,\r | |
1225 | IMAGE_PROPERTIES_RECORD,\r | |
1226 | Link,\r | |
1227 | IMAGE_PROPERTIES_RECORD_SIGNATURE\r | |
1228 | );\r | |
1229 | \r | |
1230 | if ((ImageBase == ImageRecord->ImageBase) &&\r | |
1231 | (ImageSize == ImageRecord->ImageSize)) {\r | |
1232 | return ImageRecord;\r | |
1233 | }\r | |
1234 | }\r | |
1235 | \r | |
1236 | return NULL;\r | |
1237 | }\r | |
1238 | \r | |
1239 | /**\r | |
1240 | Remove Image record.\r | |
1241 | \r | |
1242 | @param RuntimeImage Runtime image information\r | |
1243 | **/\r | |
1244 | VOID\r | |
1245 | RemoveImageRecord (\r | |
1246 | IN EFI_RUNTIME_IMAGE_ENTRY *RuntimeImage\r | |
1247 | )\r | |
1248 | {\r | |
1249 | IMAGE_PROPERTIES_RECORD *ImageRecord;\r | |
1250 | LIST_ENTRY *CodeSegmentListHead;\r | |
1251 | IMAGE_PROPERTIES_RECORD_CODE_SECTION *ImageRecordCodeSection;\r | |
1252 | \r | |
1253 | DEBUG ((EFI_D_VERBOSE, "RemoveImageRecord - 0x%x\n", RuntimeImage));\r | |
1254 | DEBUG ((EFI_D_VERBOSE, "RemoveImageRecord - 0x%016lx - 0x%016lx\n", (EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize));\r | |
1255 | \r | |
1256 | ImageRecord = FindImageRecord ((EFI_PHYSICAL_ADDRESS)(UINTN)RuntimeImage->ImageBase, RuntimeImage->ImageSize);\r | |
1257 | if (ImageRecord == NULL) {\r | |
1258 | DEBUG ((EFI_D_ERROR, "!!!!!!!! ImageRecord not found !!!!!!!!\n"));\r | |
1259 | return ;\r | |
1260 | }\r | |
1261 | \r | |
1262 | CodeSegmentListHead = &ImageRecord->CodeSegmentList;\r | |
1263 | while (!IsListEmpty (CodeSegmentListHead)) {\r | |
1264 | ImageRecordCodeSection = CR (\r | |
1265 | CodeSegmentListHead->ForwardLink,\r | |
1266 | IMAGE_PROPERTIES_RECORD_CODE_SECTION,\r | |
1267 | Link,\r | |
1268 | IMAGE_PROPERTIES_RECORD_CODE_SECTION_SIGNATURE\r | |
1269 | );\r | |
1270 | RemoveEntryList (&ImageRecordCodeSection->Link);\r | |
1271 | FreePool (ImageRecordCodeSection);\r | |
1272 | }\r | |
1273 | \r | |
1274 | RemoveEntryList (&ImageRecord->Link);\r | |
1275 | FreePool (ImageRecord);\r | |
1276 | mImagePropertiesPrivateData.ImageRecordCount--;\r | |
1277 | }\r | |
1278 | \r | |
1279 | \r | |
1280 | /**\r | |
1281 | Install PropertiesTable.\r | |
1282 | \r | |
1283 | @param[in] Event The Event this notify function registered to.\r | |
1284 | @param[in] Context Pointer to the context data registered to the Event.\r | |
1285 | **/\r | |
1286 | VOID\r | |
1287 | EFIAPI\r | |
1288 | InstallPropertiesTable (\r | |
1289 | EFI_EVENT Event,\r | |
1290 | VOID *Context\r | |
1291 | )\r | |
1292 | {\r | |
1293 | if (PcdGetBool (PropertiesTableEnable)) {\r | |
1294 | EFI_STATUS Status;\r | |
1295 | \r | |
1296 | Status = gBS->InstallConfigurationTable (&gEfiPropertiesTableGuid, &mPropertiesTable);\r | |
1297 | ASSERT_EFI_ERROR (Status);\r | |
1298 | \r | |
1299 | DEBUG ((EFI_D_INFO, "MemoryProtectionAttribute - 0x%016lx\n", mPropertiesTable.MemoryProtectionAttribute));\r | |
1300 | if ((mPropertiesTable.MemoryProtectionAttribute & EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA) == 0) {\r | |
1301 | return ;\r | |
1302 | }\r | |
1303 | \r | |
1304 | gBS->GetMemoryMap = CoreGetMemoryMapPropertiesTable;\r | |
1305 | gBS->Hdr.CRC32 = 0;\r | |
1306 | gBS->CalculateCrc32 ((UINT8 *)gBS, gBS->Hdr.HeaderSize, &gBS->Hdr.CRC32);\r | |
1307 | \r | |
1308 | DEBUG ((EFI_D_VERBOSE, "Total Image Count - 0x%x\n", mImagePropertiesPrivateData.ImageRecordCount));\r | |
1309 | DEBUG ((EFI_D_VERBOSE, "Dump ImageRecord:\n"));\r | |
1310 | DumpImageRecord ();\r | |
1311 | }\r | |
1312 | }\r | |
1313 | \r | |
1314 | /**\r | |
1315 | Initialize PropertiesTable support.\r | |
1316 | **/\r | |
1317 | VOID\r | |
1318 | EFIAPI\r | |
1319 | CoreInitializePropertiesTable (\r | |
1320 | VOID\r | |
1321 | )\r | |
1322 | {\r | |
1323 | EFI_STATUS Status;\r | |
1324 | EFI_EVENT EndOfDxeEvent;\r | |
1325 | \r | |
1326 | Status = gBS->CreateEventEx (\r | |
1327 | EVT_NOTIFY_SIGNAL,\r | |
1328 | TPL_NOTIFY,\r | |
1329 | InstallPropertiesTable,\r | |
1330 | NULL,\r | |
1331 | &gEfiEndOfDxeEventGroupGuid,\r | |
1332 | &EndOfDxeEvent\r | |
1333 | );\r | |
1334 | ASSERT_EFI_ERROR (Status);\r | |
1335 | return ;\r | |
1336 | }\r |