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2ef2b01e | 1 | /** @file\r |
a7463b30 | 2 | UncachedMemoryAllocation lib that uses DXE Service to change cachability for\r |
883b666e | 3 | a buffer.\r |
2ef2b01e | 4 | \r |
d6ebcab7 | 5 | Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>\r |
1a70a690 | 6 | Copyright (c) 2014, AMR Ltd. All rights reserved.<BR>\r |
3402aac7 | 7 | \r |
d6ebcab7 | 8 | This program and the accompanying materials\r |
2ef2b01e A |
9 | are licensed and made available under the terms and conditions of the BSD License\r |
10 | which accompanies this distribution. The full text of the license may be found at\r | |
11 | http://opensource.org/licenses/bsd-license.php\r | |
12 | \r | |
13 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
14 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
15 | \r | |
16 | **/\r | |
17 | \r | |
44c01161 | 18 | #include <Base.h>\r |
883b666e | 19 | #include <Library/BaseLib.h>\r |
2ef2b01e | 20 | #include <Library/BaseMemoryLib.h>\r |
883b666e | 21 | #include <Library/MemoryAllocationLib.h>\r |
2ef2b01e A |
22 | #include <Library/DebugLib.h>\r |
23 | #include <Library/UefiBootServicesTableLib.h>\r | |
24 | #include <Library/UncachedMemoryAllocationLib.h>\r | |
25 | #include <Library/PcdLib.h>\r | |
26 | #include <Library/ArmLib.h>\r | |
883b666e | 27 | #include <Library/DxeServicesTableLib.h>\r |
28 | \r | |
883b666e | 29 | VOID *\r |
30 | UncachedInternalAllocatePages (\r | |
3402aac7 | 31 | IN EFI_MEMORY_TYPE MemoryType,\r |
883b666e | 32 | IN UINTN Pages\r |
33 | );\r | |
34 | \r | |
35 | VOID *\r | |
36 | UncachedInternalAllocateAlignedPages (\r | |
3402aac7 | 37 | IN EFI_MEMORY_TYPE MemoryType,\r |
883b666e | 38 | IN UINTN Pages,\r |
39 | IN UINTN Alignment\r | |
40 | );\r | |
3402aac7 RC |
41 | \r |
42 | \r | |
2ef2b01e | 43 | \r |
883b666e | 44 | //\r |
45 | // Assume all of memory has the same cache attributes, unless we do our magic\r | |
46 | //\r | |
47 | UINT64 gAttributes;\r | |
48 | \r | |
49 | typedef struct {\r | |
1a70a690 OM |
50 | EFI_PHYSICAL_ADDRESS Base;\r |
51 | VOID *Allocation;\r | |
52 | UINTN Pages;\r | |
53 | EFI_MEMORY_TYPE MemoryType;\r | |
54 | BOOLEAN Allocated;\r | |
55 | LIST_ENTRY Link;\r | |
883b666e | 56 | } FREE_PAGE_NODE;\r |
57 | \r | |
1a70a690 OM |
58 | STATIC LIST_ENTRY mPageList = INITIALIZE_LIST_HEAD_VARIABLE (mPageList);\r |
59 | // Track the size of the non-allocated buffer in the linked-list\r | |
60 | STATIC UINTN mFreedBufferSize = 0;\r | |
883b666e | 61 | \r |
1a70a690 OM |
62 | /**\r |
63 | * This function firstly checks if the requested allocation can fit into one\r | |
64 | * of the previously allocated buffer.\r | |
65 | * If the requested allocation does not fit in the existing pool then\r | |
66 | * the function makes a new allocation.\r | |
67 | *\r | |
68 | * @param MemoryType Type of memory requested for the new allocation\r | |
69 | * @param Pages Number of requested page\r | |
70 | * @param Alignment Required alignment\r | |
71 | * @param Allocation Address of the newly allocated buffer\r | |
72 | *\r | |
73 | * @return EFI_SUCCESS If the function manage to allocate a buffer\r | |
74 | * @return !EFI_SUCCESS If the function did not manage to allocate a buffer\r | |
75 | */\r | |
76 | STATIC\r | |
77 | EFI_STATUS\r | |
78 | AllocatePagesFromList (\r | |
79 | IN EFI_MEMORY_TYPE MemoryType,\r | |
80 | IN UINTN Pages,\r | |
81 | IN UINTN Alignment,\r | |
82 | OUT VOID **Allocation\r | |
2ef2b01e A |
83 | )\r |
84 | {\r | |
1a70a690 OM |
85 | EFI_STATUS Status;\r |
86 | LIST_ENTRY *Link;\r | |
87 | FREE_PAGE_NODE *Node;\r | |
883b666e | 88 | FREE_PAGE_NODE *NewNode;\r |
1a70a690 OM |
89 | UINTN AlignmentMask;\r |
90 | EFI_PHYSICAL_ADDRESS Memory;\r | |
91 | EFI_GCD_MEMORY_SPACE_DESCRIPTOR Descriptor;\r | |
92 | \r | |
93 | // Alignment must be a power of two or zero.\r | |
94 | ASSERT ((Alignment & (Alignment - 1)) == 0);\r | |
95 | \r | |
96 | //\r | |
97 | // Look in our list for the smallest page that could satisfy the new allocation\r | |
98 | //\r | |
99 | NewNode = NULL;\r | |
100 | for (Link = mPageList.ForwardLink; Link != &mPageList; Link = Link->ForwardLink) {\r | |
101 | Node = BASE_CR (Link, FREE_PAGE_NODE, Link);\r | |
102 | if ((Node->Allocated == FALSE) && (Node->MemoryType == MemoryType)) {\r | |
103 | // We have a node that fits our requirements\r | |
104 | if (((UINTN)Node->Base & (Alignment - 1)) == 0) {\r | |
105 | // We found a page that matches the page size\r | |
106 | if (Node->Pages == Pages) {\r | |
107 | Node->Allocated = TRUE;\r | |
108 | Node->Allocation = (VOID*)(UINTN)Node->Base;\r | |
109 | *Allocation = Node->Allocation;\r | |
110 | \r | |
111 | // Update the size of the freed buffer\r | |
112 | mFreedBufferSize -= Pages * EFI_PAGE_SIZE;\r | |
113 | return EFI_SUCCESS;\r | |
114 | } else if (Node->Pages > Pages) {\r | |
115 | if (NewNode == NULL) {\r | |
116 | // It is the first node that could contain our new allocation\r | |
117 | NewNode = Node;\r | |
118 | } else if (NewNode->Pages > Node->Pages) {\r | |
119 | // This node offers a smaller number of page.\r | |
120 | NewNode = Node;\r | |
121 | }\r | |
122 | }\r | |
123 | }\r | |
124 | }\r | |
125 | }\r | |
126 | // Check if we have found a node that could contain our new allocation\r | |
127 | if (NewNode != NULL) {\r | |
da705630 HG |
128 | NewNode->Allocated = TRUE;\r |
129 | NewNode->Allocation = (VOID*)(UINTN)NewNode->Base;\r | |
130 | *Allocation = NewNode->Allocation;\r | |
131 | mFreedBufferSize -= NewNode->Pages * EFI_PAGE_SIZE;\r | |
1a70a690 OM |
132 | return EFI_SUCCESS;\r |
133 | }\r | |
3402aac7 | 134 | \r |
1a70a690 OM |
135 | //\r |
136 | // Otherwise, we need to allocate a new buffer\r | |
137 | //\r | |
138 | \r | |
139 | // We do not want to over-allocate in case the alignment requirement does not\r | |
140 | // require extra pages\r | |
141 | if (Alignment > EFI_PAGE_SIZE) {\r | |
142 | AlignmentMask = Alignment - 1;\r | |
143 | Pages += EFI_SIZE_TO_PAGES (Alignment);\r | |
144 | } else {\r | |
145 | AlignmentMask = 0;\r | |
146 | }\r | |
147 | \r | |
148 | Status = gBS->AllocatePages (AllocateAnyPages, MemoryType, Pages, &Memory);\r | |
149 | if (EFI_ERROR (Status)) {\r | |
150 | return Status;\r | |
151 | }\r | |
152 | \r | |
153 | Status = gDS->GetMemorySpaceDescriptor (Memory, &Descriptor);\r | |
154 | if (!EFI_ERROR (Status)) {\r | |
155 | // We are making an assumption that all of memory has the same default attributes\r | |
156 | gAttributes = Descriptor.Attributes;\r | |
157 | } else {\r | |
158 | gBS->FreePages (Memory, Pages);\r | |
159 | return Status;\r | |
160 | }\r | |
161 | \r | |
162 | Status = gDS->SetMemorySpaceAttributes (Memory, EFI_PAGES_TO_SIZE (Pages), EFI_MEMORY_WC);\r | |
163 | if (EFI_ERROR (Status)) {\r | |
164 | gBS->FreePages (Memory, Pages);\r | |
165 | return Status;\r | |
166 | }\r | |
167 | \r | |
168 | NewNode = AllocatePool (sizeof (FREE_PAGE_NODE));\r | |
883b666e | 169 | if (NewNode == NULL) {\r |
170 | ASSERT (FALSE);\r | |
1a70a690 OM |
171 | gBS->FreePages (Memory, Pages);\r |
172 | return EFI_OUT_OF_RESOURCES;\r | |
883b666e | 173 | }\r |
3402aac7 | 174 | \r |
1a70a690 OM |
175 | NewNode->Base = Memory;\r |
176 | NewNode->Allocation = (VOID*)(((UINTN)Memory + AlignmentMask) & ~AlignmentMask);\r | |
883b666e | 177 | NewNode->Pages = Pages;\r |
1a70a690 OM |
178 | NewNode->Allocated = TRUE;\r |
179 | NewNode->MemoryType = MemoryType;\r | |
3402aac7 | 180 | \r |
883b666e | 181 | InsertTailList (&mPageList, &NewNode->Link);\r |
1a70a690 OM |
182 | \r |
183 | *Allocation = NewNode->Allocation;\r | |
184 | return EFI_SUCCESS;\r | |
2ef2b01e A |
185 | }\r |
186 | \r | |
1a70a690 OM |
187 | /**\r |
188 | * Free the memory allocation\r | |
189 | *\r | |
190 | * This function will actually try to find the allocation in the linked list.\r | |
191 | * And it will then mark the entry as freed.\r | |
192 | *\r | |
193 | * @param Allocation Base address of the buffer to free\r | |
194 | *\r | |
195 | * @return EFI_SUCCESS The allocation has been freed\r | |
196 | * @return EFI_NOT_FOUND The allocation was not found in the pool.\r | |
197 | * @return EFI_INVALID_PARAMETER If Allocation is NULL\r | |
198 | *\r | |
199 | */\r | |
200 | STATIC\r | |
201 | EFI_STATUS\r | |
202 | FreePagesFromList (\r | |
203 | IN VOID *Allocation\r | |
204 | )\r | |
205 | {\r | |
206 | LIST_ENTRY *Link;\r | |
207 | FREE_PAGE_NODE *Node;\r | |
208 | \r | |
209 | if (Allocation == NULL) {\r | |
210 | return EFI_INVALID_PARAMETER;\r | |
211 | }\r | |
883b666e | 212 | \r |
1a70a690 OM |
213 | for (Link = mPageList.ForwardLink; Link != &mPageList; Link = Link->ForwardLink) {\r |
214 | Node = BASE_CR (Link, FREE_PAGE_NODE, Link);\r | |
215 | if ((UINTN)Node->Allocation == (UINTN)Allocation) {\r | |
216 | Node->Allocated = FALSE;\r | |
217 | \r | |
218 | // Update the size of the freed buffer\r | |
219 | mFreedBufferSize += Node->Pages * EFI_PAGE_SIZE;\r | |
220 | \r | |
221 | // If the size of the non-allocated reaches the threshold we raise a warning.\r | |
222 | // It might be an expected behaviour in some cases.\r | |
223 | // We might device to free some of these buffers later on.\r | |
224 | if (mFreedBufferSize > PcdGet64 (PcdArmFreeUncachedMemorySizeThreshold)) {\r | |
225 | DEBUG ((EFI_D_WARN, "Warning: The list of non-allocated buffer has reach the threshold.\n"));\r | |
226 | }\r | |
227 | return EFI_SUCCESS;\r | |
228 | }\r | |
229 | }\r | |
230 | \r | |
231 | return EFI_NOT_FOUND;\r | |
232 | }\r | |
233 | \r | |
234 | /**\r | |
235 | * This function is automatically invoked when the driver exits\r | |
236 | * It frees all the non-allocated memory buffer.\r | |
237 | * This function is not responsible to free allocated buffer (eg: case of memory leak,\r | |
238 | * runtime allocation).\r | |
239 | */\r | |
240 | EFI_STATUS\r | |
241 | EFIAPI\r | |
242 | UncachedMemoryAllocationLibDestructor (\r | |
243 | IN EFI_HANDLE ImageHandle,\r | |
244 | IN EFI_SYSTEM_TABLE *SystemTable\r | |
2ef2b01e A |
245 | )\r |
246 | {\r | |
883b666e | 247 | LIST_ENTRY *Link;\r |
248 | FREE_PAGE_NODE *OldNode;\r | |
249 | \r | |
1a70a690 OM |
250 | // Test if the list is empty\r |
251 | Link = mPageList.ForwardLink;\r | |
252 | if (Link == &mPageList) {\r | |
253 | return EFI_SUCCESS;\r | |
254 | }\r | |
3402aac7 | 255 | \r |
1a70a690 OM |
256 | // Free all the pages and nodes\r |
257 | do {\r | |
883b666e | 258 | OldNode = BASE_CR (Link, FREE_PAGE_NODE, Link);\r |
1a70a690 OM |
259 | // Point to the next entry\r |
260 | Link = Link->ForwardLink;\r | |
3402aac7 | 261 | \r |
1a70a690 OM |
262 | // We only free the non-allocated buffer\r |
263 | if (OldNode->Allocated == FALSE) {\r | |
264 | gBS->FreePages ((EFI_PHYSICAL_ADDRESS)(UINTN)OldNode->Base, OldNode->Pages);\r | |
883b666e | 265 | RemoveEntryList (&OldNode->Link);\r |
266 | FreePool (OldNode);\r | |
883b666e | 267 | }\r |
1a70a690 | 268 | } while (Link != &mPageList);\r |
883b666e | 269 | \r |
1a70a690 | 270 | return EFI_SUCCESS;\r |
2ef2b01e A |
271 | }\r |
272 | \r | |
883b666e | 273 | /**\r |
274 | Converts a cached or uncached address to a physical address suitable for use in SoC registers.\r | |
275 | \r | |
276 | @param VirtualAddress The pointer to convert.\r | |
277 | \r | |
278 | @return The physical address of the supplied virtual pointer.\r | |
279 | \r | |
280 | **/\r | |
281 | EFI_PHYSICAL_ADDRESS\r | |
282 | ConvertToPhysicalAddress (\r | |
283 | IN VOID *VirtualAddress\r | |
284 | )\r | |
285 | {\r | |
286 | return (EFI_PHYSICAL_ADDRESS)(UINTN)VirtualAddress;\r | |
287 | }\r | |
288 | \r | |
289 | \r | |
2ef2b01e A |
290 | VOID *\r |
291 | UncachedInternalAllocatePages (\r | |
3402aac7 | 292 | IN EFI_MEMORY_TYPE MemoryType,\r |
2ef2b01e A |
293 | IN UINTN Pages\r |
294 | )\r | |
295 | {\r | |
883b666e | 296 | return UncachedInternalAllocateAlignedPages (MemoryType, Pages, EFI_PAGE_SIZE);\r |
2ef2b01e A |
297 | }\r |
298 | \r | |
883b666e | 299 | \r |
2ef2b01e A |
300 | VOID *\r |
301 | EFIAPI\r | |
302 | UncachedAllocatePages (\r | |
303 | IN UINTN Pages\r | |
304 | )\r | |
305 | {\r | |
306 | return UncachedInternalAllocatePages (EfiBootServicesData, Pages);\r | |
307 | }\r | |
308 | \r | |
309 | VOID *\r | |
310 | EFIAPI\r | |
311 | UncachedAllocateRuntimePages (\r | |
312 | IN UINTN Pages\r | |
313 | )\r | |
314 | {\r | |
315 | return UncachedInternalAllocatePages (EfiRuntimeServicesData, Pages);\r | |
316 | }\r | |
317 | \r | |
318 | VOID *\r | |
319 | EFIAPI\r | |
320 | UncachedAllocateReservedPages (\r | |
321 | IN UINTN Pages\r | |
322 | )\r | |
323 | {\r | |
324 | return UncachedInternalAllocatePages (EfiReservedMemoryType, Pages);\r | |
325 | }\r | |
326 | \r | |
883b666e | 327 | \r |
328 | \r | |
2ef2b01e A |
329 | VOID\r |
330 | EFIAPI\r | |
331 | UncachedFreePages (\r | |
332 | IN VOID *Buffer,\r | |
333 | IN UINTN Pages\r | |
334 | )\r | |
335 | {\r | |
883b666e | 336 | UncachedFreeAlignedPages (Buffer, Pages);\r |
337 | return;\r | |
2ef2b01e A |
338 | }\r |
339 | \r | |
883b666e | 340 | \r |
2ef2b01e A |
341 | VOID *\r |
342 | UncachedInternalAllocateAlignedPages (\r | |
3402aac7 | 343 | IN EFI_MEMORY_TYPE MemoryType,\r |
2ef2b01e A |
344 | IN UINTN Pages,\r |
345 | IN UINTN Alignment\r | |
346 | )\r | |
347 | {\r | |
1a70a690 OM |
348 | EFI_STATUS Status;\r |
349 | VOID *Allocation;\r | |
3402aac7 | 350 | \r |
2ef2b01e A |
351 | if (Pages == 0) {\r |
352 | return NULL;\r | |
353 | }\r | |
3402aac7 | 354 | \r |
1a70a690 OM |
355 | Allocation = NULL;\r |
356 | Status = AllocatePagesFromList (MemoryType, Pages, Alignment, &Allocation);\r | |
357 | if (EFI_ERROR (Status)) {\r | |
358 | ASSERT_EFI_ERROR (Status);\r | |
359 | return NULL;\r | |
360 | } else {\r | |
361 | return Allocation;\r | |
2ef2b01e | 362 | }\r |
2ef2b01e A |
363 | }\r |
364 | \r | |
2ef2b01e A |
365 | \r |
366 | VOID\r | |
367 | EFIAPI\r | |
368 | UncachedFreeAlignedPages (\r | |
369 | IN VOID *Buffer,\r | |
370 | IN UINTN Pages\r | |
371 | )\r | |
372 | {\r | |
1a70a690 | 373 | FreePagesFromList (Buffer);\r |
2ef2b01e A |
374 | }\r |
375 | \r | |
883b666e | 376 | \r |
2ef2b01e A |
377 | VOID *\r |
378 | UncachedInternalAllocateAlignedPool (\r | |
379 | IN EFI_MEMORY_TYPE PoolType,\r | |
380 | IN UINTN AllocationSize,\r | |
381 | IN UINTN Alignment\r | |
382 | )\r | |
383 | {\r | |
883b666e | 384 | VOID *AlignedAddress;\r |
3402aac7 | 385 | \r |
2ef2b01e A |
386 | //\r |
387 | // Alignment must be a power of two or zero.\r | |
388 | //\r | |
389 | ASSERT ((Alignment & (Alignment - 1)) == 0);\r | |
390 | \r | |
883b666e | 391 | if (Alignment < EFI_PAGE_SIZE) {\r |
392 | Alignment = EFI_PAGE_SIZE;\r | |
2ef2b01e | 393 | }\r |
3402aac7 | 394 | \r |
883b666e | 395 | AlignedAddress = UncachedInternalAllocateAlignedPages (PoolType, EFI_SIZE_TO_PAGES (AllocationSize), Alignment);\r |
396 | if (AlignedAddress == NULL) {\r | |
2ef2b01e A |
397 | return NULL;\r |
398 | }\r | |
399 | \r | |
2ef2b01e A |
400 | return (VOID *) AlignedAddress;\r |
401 | }\r | |
402 | \r | |
403 | VOID *\r | |
404 | EFIAPI\r | |
405 | UncachedAllocateAlignedPool (\r | |
406 | IN UINTN AllocationSize,\r | |
407 | IN UINTN Alignment\r | |
408 | )\r | |
409 | {\r | |
410 | return UncachedInternalAllocateAlignedPool (EfiBootServicesData, AllocationSize, Alignment);\r | |
411 | }\r | |
412 | \r | |
413 | VOID *\r | |
414 | EFIAPI\r | |
415 | UncachedAllocateAlignedRuntimePool (\r | |
416 | IN UINTN AllocationSize,\r | |
417 | IN UINTN Alignment\r | |
418 | )\r | |
419 | {\r | |
420 | return UncachedInternalAllocateAlignedPool (EfiRuntimeServicesData, AllocationSize, Alignment);\r | |
421 | }\r | |
422 | \r | |
423 | VOID *\r | |
424 | EFIAPI\r | |
425 | UncachedAllocateAlignedReservedPool (\r | |
426 | IN UINTN AllocationSize,\r | |
427 | IN UINTN Alignment\r | |
428 | )\r | |
429 | {\r | |
430 | return UncachedInternalAllocateAlignedPool (EfiReservedMemoryType, AllocationSize, Alignment);\r | |
431 | }\r | |
432 | \r | |
433 | VOID *\r | |
434 | UncachedInternalAllocateAlignedZeroPool (\r | |
435 | IN EFI_MEMORY_TYPE PoolType,\r | |
436 | IN UINTN AllocationSize,\r | |
437 | IN UINTN Alignment\r | |
438 | )\r | |
439 | {\r | |
440 | VOID *Memory;\r | |
441 | Memory = UncachedInternalAllocateAlignedPool (PoolType, AllocationSize, Alignment);\r | |
442 | if (Memory != NULL) {\r | |
443 | Memory = ZeroMem (Memory, AllocationSize);\r | |
444 | }\r | |
445 | return Memory;\r | |
446 | }\r | |
447 | \r | |
448 | VOID *\r | |
449 | EFIAPI\r | |
450 | UncachedAllocateAlignedZeroPool (\r | |
451 | IN UINTN AllocationSize,\r | |
452 | IN UINTN Alignment\r | |
453 | )\r | |
454 | {\r | |
455 | return UncachedInternalAllocateAlignedZeroPool (EfiBootServicesData, AllocationSize, Alignment);\r | |
456 | }\r | |
457 | \r | |
458 | VOID *\r | |
459 | EFIAPI\r | |
460 | UncachedAllocateAlignedRuntimeZeroPool (\r | |
461 | IN UINTN AllocationSize,\r | |
462 | IN UINTN Alignment\r | |
463 | )\r | |
464 | {\r | |
465 | return UncachedInternalAllocateAlignedZeroPool (EfiRuntimeServicesData, AllocationSize, Alignment);\r | |
466 | }\r | |
467 | \r | |
468 | VOID *\r | |
469 | EFIAPI\r | |
470 | UncachedAllocateAlignedReservedZeroPool (\r | |
471 | IN UINTN AllocationSize,\r | |
472 | IN UINTN Alignment\r | |
473 | )\r | |
474 | {\r | |
475 | return UncachedInternalAllocateAlignedZeroPool (EfiReservedMemoryType, AllocationSize, Alignment);\r | |
476 | }\r | |
477 | \r | |
478 | VOID *\r | |
479 | UncachedInternalAllocateAlignedCopyPool (\r | |
480 | IN EFI_MEMORY_TYPE PoolType,\r | |
481 | IN UINTN AllocationSize,\r | |
482 | IN CONST VOID *Buffer,\r | |
483 | IN UINTN Alignment\r | |
484 | )\r | |
485 | {\r | |
486 | VOID *Memory;\r | |
3402aac7 | 487 | \r |
2ef2b01e A |
488 | ASSERT (Buffer != NULL);\r |
489 | ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1));\r | |
490 | \r | |
491 | Memory = UncachedInternalAllocateAlignedPool (PoolType, AllocationSize, Alignment);\r | |
492 | if (Memory != NULL) {\r | |
493 | Memory = CopyMem (Memory, Buffer, AllocationSize);\r | |
494 | }\r | |
495 | return Memory;\r | |
496 | }\r | |
497 | \r | |
498 | VOID *\r | |
499 | EFIAPI\r | |
500 | UncachedAllocateAlignedCopyPool (\r | |
501 | IN UINTN AllocationSize,\r | |
502 | IN CONST VOID *Buffer,\r | |
503 | IN UINTN Alignment\r | |
504 | )\r | |
505 | {\r | |
506 | return UncachedInternalAllocateAlignedCopyPool (EfiBootServicesData, AllocationSize, Buffer, Alignment);\r | |
507 | }\r | |
508 | \r | |
509 | VOID *\r | |
510 | EFIAPI\r | |
511 | UncachedAllocateAlignedRuntimeCopyPool (\r | |
512 | IN UINTN AllocationSize,\r | |
513 | IN CONST VOID *Buffer,\r | |
514 | IN UINTN Alignment\r | |
515 | )\r | |
516 | {\r | |
517 | return UncachedInternalAllocateAlignedCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer, Alignment);\r | |
518 | }\r | |
519 | \r | |
520 | VOID *\r | |
521 | EFIAPI\r | |
522 | UncachedAllocateAlignedReservedCopyPool (\r | |
523 | IN UINTN AllocationSize,\r | |
524 | IN CONST VOID *Buffer,\r | |
525 | IN UINTN Alignment\r | |
526 | )\r | |
527 | {\r | |
528 | return UncachedInternalAllocateAlignedCopyPool (EfiReservedMemoryType, AllocationSize, Buffer, Alignment);\r | |
529 | }\r | |
530 | \r | |
531 | VOID\r | |
532 | EFIAPI\r | |
533 | UncachedFreeAlignedPool (\r | |
883b666e | 534 | IN VOID *Allocation\r |
2ef2b01e A |
535 | )\r |
536 | {\r | |
1a70a690 | 537 | UncachedFreePages (Allocation, 0);\r |
2ef2b01e A |
538 | }\r |
539 | \r | |
540 | VOID *\r | |
541 | UncachedInternalAllocatePool (\r | |
3402aac7 | 542 | IN EFI_MEMORY_TYPE MemoryType,\r |
2ef2b01e A |
543 | IN UINTN AllocationSize\r |
544 | )\r | |
545 | {\r | |
883b666e | 546 | UINTN CacheLineLength = ArmDataCacheLineLength ();\r |
547 | return UncachedInternalAllocateAlignedPool (MemoryType, AllocationSize, CacheLineLength);\r | |
2ef2b01e A |
548 | }\r |
549 | \r | |
550 | VOID *\r | |
551 | EFIAPI\r | |
552 | UncachedAllocatePool (\r | |
553 | IN UINTN AllocationSize\r | |
554 | )\r | |
555 | {\r | |
556 | return UncachedInternalAllocatePool (EfiBootServicesData, AllocationSize);\r | |
557 | }\r | |
558 | \r | |
559 | VOID *\r | |
560 | EFIAPI\r | |
561 | UncachedAllocateRuntimePool (\r | |
562 | IN UINTN AllocationSize\r | |
563 | )\r | |
564 | {\r | |
565 | return UncachedInternalAllocatePool (EfiRuntimeServicesData, AllocationSize);\r | |
566 | }\r | |
567 | \r | |
568 | VOID *\r | |
569 | EFIAPI\r | |
570 | UncachedAllocateReservedPool (\r | |
571 | IN UINTN AllocationSize\r | |
572 | )\r | |
573 | {\r | |
574 | return UncachedInternalAllocatePool (EfiReservedMemoryType, AllocationSize);\r | |
575 | }\r | |
576 | \r | |
577 | VOID *\r | |
578 | UncachedInternalAllocateZeroPool (\r | |
3402aac7 | 579 | IN EFI_MEMORY_TYPE PoolType,\r |
2ef2b01e | 580 | IN UINTN AllocationSize\r |
3402aac7 | 581 | )\r |
2ef2b01e A |
582 | {\r |
583 | VOID *Memory;\r | |
584 | \r | |
585 | Memory = UncachedInternalAllocatePool (PoolType, AllocationSize);\r | |
586 | if (Memory != NULL) {\r | |
587 | Memory = ZeroMem (Memory, AllocationSize);\r | |
588 | }\r | |
589 | return Memory;\r | |
590 | }\r | |
591 | \r | |
592 | VOID *\r | |
593 | EFIAPI\r | |
594 | UncachedAllocateZeroPool (\r | |
595 | IN UINTN AllocationSize\r | |
596 | )\r | |
597 | {\r | |
598 | return UncachedInternalAllocateZeroPool (EfiBootServicesData, AllocationSize);\r | |
599 | }\r | |
600 | \r | |
601 | VOID *\r | |
602 | EFIAPI\r | |
603 | UncachedAllocateRuntimeZeroPool (\r | |
604 | IN UINTN AllocationSize\r | |
605 | )\r | |
606 | {\r | |
607 | return UncachedInternalAllocateZeroPool (EfiRuntimeServicesData, AllocationSize);\r | |
608 | }\r | |
609 | \r | |
610 | VOID *\r | |
611 | EFIAPI\r | |
612 | UncachedAllocateReservedZeroPool (\r | |
613 | IN UINTN AllocationSize\r | |
614 | )\r | |
615 | {\r | |
616 | return UncachedInternalAllocateZeroPool (EfiReservedMemoryType, AllocationSize);\r | |
617 | }\r | |
618 | \r | |
619 | VOID *\r | |
620 | UncachedInternalAllocateCopyPool (\r | |
3402aac7 | 621 | IN EFI_MEMORY_TYPE PoolType,\r |
2ef2b01e A |
622 | IN UINTN AllocationSize,\r |
623 | IN CONST VOID *Buffer\r | |
3402aac7 | 624 | )\r |
2ef2b01e A |
625 | {\r |
626 | VOID *Memory;\r | |
627 | \r | |
628 | ASSERT (Buffer != NULL);\r | |
629 | ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1));\r | |
630 | \r | |
631 | Memory = UncachedInternalAllocatePool (PoolType, AllocationSize);\r | |
632 | if (Memory != NULL) {\r | |
633 | Memory = CopyMem (Memory, Buffer, AllocationSize);\r | |
634 | }\r | |
635 | return Memory;\r | |
3402aac7 | 636 | }\r |
2ef2b01e A |
637 | \r |
638 | VOID *\r | |
639 | EFIAPI\r | |
640 | UncachedAllocateCopyPool (\r | |
641 | IN UINTN AllocationSize,\r | |
642 | IN CONST VOID *Buffer\r | |
643 | )\r | |
644 | {\r | |
645 | return UncachedInternalAllocateCopyPool (EfiBootServicesData, AllocationSize, Buffer);\r | |
646 | }\r | |
647 | \r | |
648 | VOID *\r | |
649 | EFIAPI\r | |
650 | UncachedAllocateRuntimeCopyPool (\r | |
651 | IN UINTN AllocationSize,\r | |
652 | IN CONST VOID *Buffer\r | |
653 | )\r | |
654 | {\r | |
655 | return UncachedInternalAllocateCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer);\r | |
656 | }\r | |
657 | \r | |
658 | VOID *\r | |
659 | EFIAPI\r | |
660 | UncachedAllocateReservedCopyPool (\r | |
661 | IN UINTN AllocationSize,\r | |
662 | IN CONST VOID *Buffer\r | |
663 | )\r | |
664 | {\r | |
665 | return UncachedInternalAllocateCopyPool (EfiReservedMemoryType, AllocationSize, Buffer);\r | |
666 | }\r | |
667 | \r | |
668 | VOID\r | |
669 | EFIAPI\r | |
670 | UncachedFreePool (\r | |
671 | IN VOID *Buffer\r | |
672 | )\r | |
673 | {\r | |
883b666e | 674 | UncachedFreeAlignedPool (Buffer);\r |
2ef2b01e A |
675 | }\r |
676 | \r | |
677 | VOID\r | |
678 | EFIAPI\r | |
679 | UncachedSafeFreePool (\r | |
680 | IN VOID *Buffer\r | |
681 | )\r | |
682 | {\r | |
683 | if (Buffer != NULL) {\r | |
684 | UncachedFreePool (Buffer);\r | |
685 | Buffer = NULL;\r | |
686 | }\r | |
687 | }\r | |
688 | \r |