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0ac72713 | 1 | /** @file\r |
2 | Support routines for memory allocation routines based \r | |
e2735692 SZ |
3 | on DxeCore Memory Allocation services for DxeCore,\r |
4 | with memory profile support.\r | |
0ac72713 | 5 | \r |
e2735692 | 6 | Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>\r |
cd5ebaa0 | 7 | This program and the accompanying materials \r |
0ac72713 | 8 | are licensed and made available under the terms and conditions of the BSD License \r |
9 | which accompanies this distribution. The full text of the license may be found at \r | |
10 | http://opensource.org/licenses/bsd-license.php \r | |
11 | \r | |
12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
14 | \r | |
15 | **/\r | |
16 | \r | |
17 | \r | |
18 | #include <PiDxe.h>\r | |
19 | \r | |
f6998888 | 20 | \r |
0ac72713 | 21 | #include <Library/MemoryAllocationLib.h>\r |
22 | #include <Library/BaseMemoryLib.h>\r | |
23 | #include <Library/DebugLib.h>\r | |
0ac72713 | 24 | #include "DxeCoreMemoryAllocationServices.h"\r |
25 | \r | |
e2735692 SZ |
26 | #include <Library/MemoryProfileLib.h>\r |
27 | \r | |
0ac72713 | 28 | /**\r |
29 | Allocates one or more 4KB pages of a certain memory type.\r | |
30 | \r | |
31 | Allocates the number of 4KB pages of a certain memory type and returns a pointer to the allocated\r | |
32 | buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL is returned.\r | |
33 | If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
34 | \r | |
35 | @param MemoryType The type of memory to allocate.\r | |
36 | @param Pages The number of 4 KB pages to allocate.\r | |
37 | \r | |
38 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
39 | \r | |
40 | **/\r | |
41 | VOID *\r | |
42 | InternalAllocatePages (\r | |
43 | IN EFI_MEMORY_TYPE MemoryType, \r | |
44 | IN UINTN Pages\r | |
45 | )\r | |
46 | {\r | |
47 | EFI_STATUS Status;\r | |
48 | EFI_PHYSICAL_ADDRESS Memory; \r | |
49 | \r | |
50 | if (Pages == 0) {\r | |
51 | return NULL;\r | |
52 | }\r | |
53 | \r | |
54 | Status = CoreAllocatePages (AllocateAnyPages, MemoryType, Pages, &Memory);\r | |
55 | if (EFI_ERROR (Status)) {\r | |
56 | return NULL;\r | |
57 | }\r | |
58 | return (VOID *) (UINTN) Memory;\r | |
59 | }\r | |
60 | \r | |
61 | /**\r | |
62 | Allocates one or more 4KB pages of type EfiBootServicesData.\r | |
63 | \r | |
64 | Allocates the number of 4KB pages of type EfiBootServicesData and returns a pointer to the\r | |
65 | allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r | |
66 | is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r | |
67 | returned.\r | |
68 | \r | |
69 | @param Pages The number of 4 KB pages to allocate.\r | |
70 | \r | |
71 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
72 | \r | |
73 | **/\r | |
74 | VOID *\r | |
75 | EFIAPI\r | |
76 | AllocatePages (\r | |
77 | IN UINTN Pages\r | |
78 | )\r | |
79 | {\r | |
e2735692 SZ |
80 | VOID *Buffer;\r |
81 | \r | |
82 | Buffer = InternalAllocatePages (EfiBootServicesData, Pages);\r | |
83 | if (Buffer != NULL) {\r | |
84 | MemoryProfileLibRecord (\r | |
85 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
86 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_PAGES,\r | |
87 | EfiBootServicesData,\r | |
88 | Buffer,\r | |
89 | EFI_PAGES_TO_SIZE (Pages),\r | |
90 | NULL\r | |
91 | );\r | |
92 | }\r | |
93 | return Buffer;\r | |
0ac72713 | 94 | }\r |
95 | \r | |
96 | /**\r | |
97 | Allocates one or more 4KB pages of type EfiRuntimeServicesData.\r | |
98 | \r | |
99 | Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the\r | |
100 | allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r | |
101 | is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r | |
102 | returned.\r | |
103 | \r | |
104 | @param Pages The number of 4 KB pages to allocate.\r | |
105 | \r | |
106 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
107 | \r | |
108 | **/\r | |
109 | VOID *\r | |
110 | EFIAPI\r | |
111 | AllocateRuntimePages (\r | |
112 | IN UINTN Pages\r | |
113 | )\r | |
114 | {\r | |
e2735692 SZ |
115 | VOID *Buffer;\r |
116 | \r | |
117 | Buffer = InternalAllocatePages (EfiRuntimeServicesData, Pages);\r | |
118 | if (Buffer != NULL) {\r | |
119 | MemoryProfileLibRecord (\r | |
120 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
121 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RUNTIME_PAGES,\r | |
122 | EfiRuntimeServicesData,\r | |
123 | Buffer,\r | |
124 | EFI_PAGES_TO_SIZE (Pages),\r | |
125 | NULL\r | |
126 | );\r | |
127 | }\r | |
128 | return Buffer;\r | |
0ac72713 | 129 | }\r |
130 | \r | |
131 | /**\r | |
132 | Allocates one or more 4KB pages of type EfiReservedMemoryType.\r | |
133 | \r | |
134 | Allocates the number of 4KB pages of type EfiReservedMemoryType and returns a pointer to the\r | |
135 | allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r | |
136 | is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r | |
137 | returned.\r | |
138 | \r | |
139 | @param Pages The number of 4 KB pages to allocate.\r | |
140 | \r | |
141 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
142 | \r | |
143 | **/\r | |
144 | VOID *\r | |
145 | EFIAPI\r | |
146 | AllocateReservedPages (\r | |
147 | IN UINTN Pages\r | |
148 | )\r | |
149 | {\r | |
e2735692 SZ |
150 | VOID *Buffer;\r |
151 | \r | |
152 | Buffer = InternalAllocatePages (EfiReservedMemoryType, Pages);\r | |
153 | if (Buffer != NULL) {\r | |
154 | MemoryProfileLibRecord (\r | |
155 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
156 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RESERVED_PAGES,\r | |
157 | EfiReservedMemoryType,\r | |
158 | Buffer,\r | |
159 | EFI_PAGES_TO_SIZE (Pages),\r | |
160 | NULL\r | |
161 | );\r | |
162 | }\r | |
163 | return Buffer;\r | |
0ac72713 | 164 | }\r |
165 | \r | |
166 | /**\r | |
167 | Frees one or more 4KB pages that were previously allocated with one of the page allocation\r | |
168 | functions in the Memory Allocation Library.\r | |
169 | \r | |
170 | Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer\r | |
171 | must have been allocated on a previous call to the page allocation services of the Memory\r | |
aa2f249e | 172 | Allocation Library. If it is not possible to free allocated pages, then this function will\r |
446b94b0 | 173 | perform no actions.\r |
f6998888 | 174 | \r |
0ac72713 | 175 | If Buffer was not allocated with a page allocation function in the Memory Allocation Library,\r |
176 | then ASSERT().\r | |
177 | If Pages is zero, then ASSERT().\r | |
178 | \r | |
179 | @param Buffer Pointer to the buffer of pages to free.\r | |
180 | @param Pages The number of 4 KB pages to free.\r | |
181 | \r | |
182 | **/\r | |
183 | VOID\r | |
184 | EFIAPI\r | |
185 | FreePages (\r | |
186 | IN VOID *Buffer,\r | |
187 | IN UINTN Pages\r | |
188 | )\r | |
189 | {\r | |
190 | EFI_STATUS Status;\r | |
191 | \r | |
192 | ASSERT (Pages != 0);\r | |
193 | Status = CoreFreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, Pages);\r | |
194 | ASSERT_EFI_ERROR (Status);\r | |
195 | }\r | |
196 | \r | |
197 | /**\r | |
198 | Allocates one or more 4KB pages of a certain memory type at a specified alignment.\r | |
199 | \r | |
200 | Allocates the number of 4KB pages specified by Pages of a certain memory type with an alignment\r | |
201 | specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is returned.\r | |
202 | If there is not enough memory at the specified alignment remaining to satisfy the request, then\r | |
203 | NULL is returned.\r | |
204 | If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r | |
91403ce9 | 205 | If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r |
0ac72713 | 206 | \r |
207 | @param MemoryType The type of memory to allocate.\r | |
208 | @param Pages The number of 4 KB pages to allocate.\r | |
209 | @param Alignment The requested alignment of the allocation. Must be a power of two.\r | |
210 | If Alignment is zero, then byte alignment is used.\r | |
211 | \r | |
212 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
213 | \r | |
214 | **/\r | |
215 | VOID *\r | |
216 | InternalAllocateAlignedPages (\r | |
217 | IN EFI_MEMORY_TYPE MemoryType, \r | |
218 | IN UINTN Pages,\r | |
219 | IN UINTN Alignment\r | |
220 | )\r | |
221 | {\r | |
222 | EFI_STATUS Status;\r | |
223 | EFI_PHYSICAL_ADDRESS Memory;\r | |
224 | UINTN AlignedMemory;\r | |
225 | UINTN AlignmentMask;\r | |
226 | UINTN UnalignedPages;\r | |
227 | UINTN RealPages;\r | |
228 | \r | |
229 | //\r | |
230 | // Alignment must be a power of two or zero.\r | |
231 | //\r | |
232 | ASSERT ((Alignment & (Alignment - 1)) == 0);\r | |
233 | \r | |
234 | if (Pages == 0) {\r | |
235 | return NULL;\r | |
236 | }\r | |
237 | if (Alignment > EFI_PAGE_SIZE) {\r | |
238 | //\r | |
e50a226b | 239 | // Calculate the total number of pages since alignment is larger than page size.\r |
0ac72713 | 240 | //\r |
241 | AlignmentMask = Alignment - 1;\r | |
242 | RealPages = Pages + EFI_SIZE_TO_PAGES (Alignment);\r | |
243 | //\r | |
244 | // Make sure that Pages plus EFI_SIZE_TO_PAGES (Alignment) does not overflow.\r | |
245 | //\r | |
246 | ASSERT (RealPages > Pages);\r | |
247 | \r | |
248 | Status = CoreAllocatePages (AllocateAnyPages, MemoryType, RealPages, &Memory);\r | |
249 | if (EFI_ERROR (Status)) {\r | |
250 | return NULL;\r | |
251 | }\r | |
252 | AlignedMemory = ((UINTN) Memory + AlignmentMask) & ~AlignmentMask;\r | |
253 | UnalignedPages = EFI_SIZE_TO_PAGES (AlignedMemory - (UINTN) Memory);\r | |
254 | if (UnalignedPages > 0) {\r | |
255 | //\r | |
256 | // Free first unaligned page(s).\r | |
257 | //\r | |
258 | Status = CoreFreePages (Memory, UnalignedPages);\r | |
259 | ASSERT_EFI_ERROR (Status);\r | |
260 | }\r | |
261 | Memory = (EFI_PHYSICAL_ADDRESS) (AlignedMemory + EFI_PAGES_TO_SIZE (Pages));\r | |
262 | UnalignedPages = RealPages - Pages - UnalignedPages;\r | |
263 | if (UnalignedPages > 0) {\r | |
264 | //\r | |
265 | // Free last unaligned page(s).\r | |
266 | //\r | |
267 | Status = CoreFreePages (Memory, UnalignedPages);\r | |
268 | ASSERT_EFI_ERROR (Status);\r | |
269 | }\r | |
270 | } else {\r | |
271 | //\r | |
272 | // Do not over-allocate pages in this case.\r | |
273 | //\r | |
274 | Status = CoreAllocatePages (AllocateAnyPages, MemoryType, Pages, &Memory);\r | |
275 | if (EFI_ERROR (Status)) {\r | |
276 | return NULL;\r | |
277 | }\r | |
278 | AlignedMemory = (UINTN) Memory;\r | |
279 | }\r | |
280 | return (VOID *) AlignedMemory;\r | |
281 | }\r | |
282 | \r | |
283 | /**\r | |
284 | Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment.\r | |
285 | \r | |
286 | Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an\r | |
287 | alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r | |
288 | returned. If there is not enough memory at the specified alignment remaining to satisfy the\r | |
289 | request, then NULL is returned.\r | |
f6998888 | 290 | \r |
0ac72713 | 291 | If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r |
91403ce9 | 292 | If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r |
0ac72713 | 293 | \r |
294 | @param Pages The number of 4 KB pages to allocate.\r | |
295 | @param Alignment The requested alignment of the allocation. Must be a power of two.\r | |
296 | If Alignment is zero, then byte alignment is used.\r | |
297 | \r | |
298 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
299 | \r | |
300 | **/\r | |
301 | VOID *\r | |
302 | EFIAPI\r | |
303 | AllocateAlignedPages (\r | |
304 | IN UINTN Pages,\r | |
305 | IN UINTN Alignment\r | |
306 | )\r | |
307 | {\r | |
e2735692 SZ |
308 | VOID *Buffer;\r |
309 | \r | |
310 | Buffer = InternalAllocateAlignedPages (EfiBootServicesData, Pages, Alignment);\r | |
311 | if (Buffer != NULL) {\r | |
312 | MemoryProfileLibRecord (\r | |
313 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
314 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_ALIGNED_PAGES,\r | |
315 | EfiBootServicesData,\r | |
316 | Buffer,\r | |
317 | EFI_PAGES_TO_SIZE (Pages),\r | |
318 | NULL\r | |
319 | );\r | |
320 | }\r | |
321 | return Buffer;\r | |
0ac72713 | 322 | }\r |
323 | \r | |
324 | /**\r | |
325 | Allocates one or more 4KB pages of type EfiRuntimeServicesData at a specified alignment.\r | |
326 | \r | |
327 | Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData with an\r | |
328 | alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r | |
329 | returned. If there is not enough memory at the specified alignment remaining to satisfy the\r | |
330 | request, then NULL is returned.\r | |
f6998888 | 331 | \r |
0ac72713 | 332 | If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r |
91403ce9 | 333 | If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r |
0ac72713 | 334 | \r |
335 | @param Pages The number of 4 KB pages to allocate.\r | |
336 | @param Alignment The requested alignment of the allocation. Must be a power of two.\r | |
337 | If Alignment is zero, then byte alignment is used.\r | |
338 | \r | |
339 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
340 | \r | |
341 | **/\r | |
342 | VOID *\r | |
343 | EFIAPI\r | |
344 | AllocateAlignedRuntimePages (\r | |
345 | IN UINTN Pages,\r | |
346 | IN UINTN Alignment\r | |
347 | )\r | |
348 | {\r | |
e2735692 SZ |
349 | VOID *Buffer;\r |
350 | \r | |
351 | Buffer = InternalAllocateAlignedPages (EfiRuntimeServicesData, Pages, Alignment);\r | |
352 | if (Buffer != NULL) {\r | |
353 | MemoryProfileLibRecord (\r | |
354 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
355 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_ALIGNED_RUNTIME_PAGES,\r | |
356 | EfiRuntimeServicesData,\r | |
357 | Buffer,\r | |
358 | EFI_PAGES_TO_SIZE (Pages),\r | |
359 | NULL\r | |
360 | );\r | |
361 | }\r | |
362 | return Buffer;\r | |
0ac72713 | 363 | }\r |
364 | \r | |
365 | /**\r | |
366 | Allocates one or more 4KB pages of type EfiReservedMemoryType at a specified alignment.\r | |
367 | \r | |
368 | Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType with an\r | |
369 | alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r | |
370 | returned. If there is not enough memory at the specified alignment remaining to satisfy the\r | |
371 | request, then NULL is returned.\r | |
f6998888 | 372 | \r |
0ac72713 | 373 | If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r |
91403ce9 | 374 | If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r |
0ac72713 | 375 | \r |
376 | @param Pages The number of 4 KB pages to allocate.\r | |
377 | @param Alignment The requested alignment of the allocation. Must be a power of two.\r | |
378 | If Alignment is zero, then byte alignment is used.\r | |
379 | \r | |
380 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
381 | \r | |
382 | **/\r | |
383 | VOID *\r | |
384 | EFIAPI\r | |
385 | AllocateAlignedReservedPages (\r | |
386 | IN UINTN Pages,\r | |
387 | IN UINTN Alignment\r | |
388 | )\r | |
389 | {\r | |
e2735692 SZ |
390 | VOID *Buffer;\r |
391 | \r | |
392 | Buffer = InternalAllocateAlignedPages (EfiReservedMemoryType, Pages, Alignment);\r | |
393 | if (Buffer != NULL) {\r | |
394 | MemoryProfileLibRecord (\r | |
395 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
396 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_ALIGNED_RESERVED_PAGES,\r | |
397 | EfiReservedMemoryType,\r | |
398 | Buffer,\r | |
399 | EFI_PAGES_TO_SIZE (Pages),\r | |
400 | NULL\r | |
401 | );\r | |
402 | }\r | |
403 | return Buffer;\r | |
0ac72713 | 404 | }\r |
405 | \r | |
406 | /**\r | |
407 | Frees one or more 4KB pages that were previously allocated with one of the aligned page\r | |
408 | allocation functions in the Memory Allocation Library.\r | |
409 | \r | |
410 | Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer\r | |
411 | must have been allocated on a previous call to the aligned page allocation services of the Memory\r | |
aa2f249e | 412 | Allocation Library. If it is not possible to free allocated pages, then this function will \r |
446b94b0 | 413 | perform no actions.\r |
f6998888 | 414 | \r |
0ac72713 | 415 | If Buffer was not allocated with an aligned page allocation function in the Memory Allocation\r |
416 | Library, then ASSERT().\r | |
417 | If Pages is zero, then ASSERT().\r | |
418 | \r | |
419 | @param Buffer Pointer to the buffer of pages to free.\r | |
420 | @param Pages The number of 4 KB pages to free.\r | |
421 | \r | |
422 | **/\r | |
423 | VOID\r | |
424 | EFIAPI\r | |
425 | FreeAlignedPages (\r | |
426 | IN VOID *Buffer,\r | |
427 | IN UINTN Pages\r | |
428 | )\r | |
429 | {\r | |
430 | EFI_STATUS Status;\r | |
431 | \r | |
432 | ASSERT (Pages != 0);\r | |
433 | Status = CoreFreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, Pages);\r | |
434 | ASSERT_EFI_ERROR (Status);\r | |
435 | }\r | |
436 | \r | |
437 | /**\r | |
438 | Allocates a buffer of a certain pool type.\r | |
439 | \r | |
440 | Allocates the number bytes specified by AllocationSize of a certain pool type and returns a\r | |
441 | pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r | |
442 | returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
443 | \r | |
444 | @param MemoryType The type of memory to allocate.\r | |
445 | @param AllocationSize The number of bytes to allocate.\r | |
446 | \r | |
447 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
448 | \r | |
449 | **/\r | |
450 | VOID *\r | |
451 | InternalAllocatePool (\r | |
452 | IN EFI_MEMORY_TYPE MemoryType, \r | |
453 | IN UINTN AllocationSize\r | |
454 | )\r | |
455 | {\r | |
456 | EFI_STATUS Status;\r | |
457 | VOID *Memory;\r | |
458 | \r | |
4e1005ec ED |
459 | Memory = NULL;\r |
460 | \r | |
0ac72713 | 461 | Status = CoreAllocatePool (MemoryType, AllocationSize, &Memory);\r |
462 | if (EFI_ERROR (Status)) {\r | |
463 | Memory = NULL;\r | |
464 | }\r | |
465 | return Memory;\r | |
466 | }\r | |
467 | \r | |
468 | /**\r | |
469 | Allocates a buffer of type EfiBootServicesData.\r | |
470 | \r | |
471 | Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a\r | |
472 | pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r | |
473 | returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
474 | \r | |
475 | @param AllocationSize The number of bytes to allocate.\r | |
476 | \r | |
477 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
478 | \r | |
479 | **/\r | |
480 | VOID *\r | |
481 | EFIAPI\r | |
482 | AllocatePool (\r | |
483 | IN UINTN AllocationSize\r | |
484 | )\r | |
485 | {\r | |
e2735692 SZ |
486 | VOID *Buffer;\r |
487 | \r | |
488 | Buffer = InternalAllocatePool (EfiBootServicesData, AllocationSize);\r | |
489 | if (Buffer != NULL) {\r | |
490 | MemoryProfileLibRecord (\r | |
491 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
492 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_POOL,\r | |
493 | EfiBootServicesData,\r | |
494 | Buffer,\r | |
495 | AllocationSize,\r | |
496 | NULL\r | |
497 | );\r | |
498 | }\r | |
499 | return Buffer;\r | |
0ac72713 | 500 | }\r |
501 | \r | |
502 | /**\r | |
503 | Allocates a buffer of type EfiRuntimeServicesData.\r | |
504 | \r | |
505 | Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData and returns\r | |
506 | a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r | |
507 | returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
508 | \r | |
509 | @param AllocationSize The number of bytes to allocate.\r | |
510 | \r | |
511 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
512 | \r | |
513 | **/\r | |
514 | VOID *\r | |
515 | EFIAPI\r | |
516 | AllocateRuntimePool (\r | |
517 | IN UINTN AllocationSize\r | |
518 | )\r | |
519 | {\r | |
e2735692 SZ |
520 | VOID *Buffer;\r |
521 | \r | |
522 | Buffer = InternalAllocatePool (EfiRuntimeServicesData, AllocationSize);\r | |
523 | if (Buffer != NULL) {\r | |
524 | MemoryProfileLibRecord (\r | |
525 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
526 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RUNTIME_POOL,\r | |
527 | EfiRuntimeServicesData,\r | |
528 | Buffer,\r | |
529 | AllocationSize,\r | |
530 | NULL\r | |
531 | );\r | |
532 | }\r | |
533 | return Buffer;\r | |
0ac72713 | 534 | }\r |
535 | \r | |
536 | /**\r | |
31771abd | 537 | Allocates a buffer of type EfiReservedMemoryType.\r |
0ac72713 | 538 | \r |
31771abd | 539 | Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType and returns\r |
0ac72713 | 540 | a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r |
541 | returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
542 | \r | |
543 | @param AllocationSize The number of bytes to allocate.\r | |
544 | \r | |
545 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
546 | \r | |
547 | **/\r | |
548 | VOID *\r | |
549 | EFIAPI\r | |
550 | AllocateReservedPool (\r | |
551 | IN UINTN AllocationSize\r | |
552 | )\r | |
553 | {\r | |
e2735692 SZ |
554 | VOID *Buffer;\r |
555 | \r | |
556 | Buffer = InternalAllocatePool (EfiReservedMemoryType, AllocationSize);\r | |
557 | if (Buffer != NULL) {\r | |
558 | MemoryProfileLibRecord (\r | |
559 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
560 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RESERVED_POOL,\r | |
561 | EfiReservedMemoryType,\r | |
562 | Buffer,\r | |
563 | AllocationSize,\r | |
564 | NULL\r | |
565 | );\r | |
566 | }\r | |
567 | return Buffer;\r | |
0ac72713 | 568 | }\r |
569 | \r | |
570 | /**\r | |
446b94b0 | 571 | Allocates and zeros a buffer of a certain pool type.\r |
0ac72713 | 572 | \r |
446b94b0 | 573 | Allocates the number bytes specified by AllocationSize of a certain pool type, clears the buffer\r |
0ac72713 | 574 | with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a valid\r |
575 | buffer of 0 size is returned. If there is not enough memory remaining to satisfy the request,\r | |
576 | then NULL is returned.\r | |
577 | \r | |
578 | @param PoolType The type of memory to allocate.\r | |
579 | @param AllocationSize The number of bytes to allocate and zero.\r | |
580 | \r | |
581 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
582 | \r | |
583 | **/\r | |
584 | VOID *\r | |
585 | InternalAllocateZeroPool (\r | |
586 | IN EFI_MEMORY_TYPE PoolType, \r | |
587 | IN UINTN AllocationSize\r | |
588 | ) \r | |
589 | {\r | |
590 | VOID *Memory;\r | |
591 | \r | |
592 | Memory = InternalAllocatePool (PoolType, AllocationSize);\r | |
593 | if (Memory != NULL) {\r | |
594 | Memory = ZeroMem (Memory, AllocationSize);\r | |
595 | }\r | |
596 | return Memory;\r | |
597 | }\r | |
598 | \r | |
599 | /**\r | |
600 | Allocates and zeros a buffer of type EfiBootServicesData.\r | |
601 | \r | |
602 | Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the\r | |
603 | buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r | |
604 | valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r | |
605 | request, then NULL is returned.\r | |
606 | \r | |
607 | @param AllocationSize The number of bytes to allocate and zero.\r | |
608 | \r | |
609 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
610 | \r | |
611 | **/\r | |
612 | VOID *\r | |
613 | EFIAPI\r | |
614 | AllocateZeroPool (\r | |
615 | IN UINTN AllocationSize\r | |
616 | )\r | |
617 | {\r | |
e2735692 SZ |
618 | VOID *Buffer;\r |
619 | \r | |
620 | Buffer = InternalAllocateZeroPool (EfiBootServicesData, AllocationSize);\r | |
621 | if (Buffer != NULL) {\r | |
622 | MemoryProfileLibRecord (\r | |
623 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
624 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_ZERO_POOL,\r | |
625 | EfiBootServicesData,\r | |
626 | Buffer,\r | |
627 | AllocationSize,\r | |
628 | NULL\r | |
629 | );\r | |
630 | }\r | |
631 | return Buffer;\r | |
0ac72713 | 632 | }\r |
633 | \r | |
634 | /**\r | |
635 | Allocates and zeros a buffer of type EfiRuntimeServicesData.\r | |
636 | \r | |
637 | Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, clears the\r | |
638 | buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r | |
639 | valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r | |
640 | request, then NULL is returned.\r | |
641 | \r | |
642 | @param AllocationSize The number of bytes to allocate and zero.\r | |
643 | \r | |
644 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
645 | \r | |
646 | **/\r | |
647 | VOID *\r | |
648 | EFIAPI\r | |
649 | AllocateRuntimeZeroPool (\r | |
650 | IN UINTN AllocationSize\r | |
651 | )\r | |
652 | {\r | |
e2735692 SZ |
653 | VOID *Buffer;\r |
654 | \r | |
655 | Buffer = InternalAllocateZeroPool (EfiRuntimeServicesData, AllocationSize);\r | |
656 | if (Buffer != NULL) {\r | |
657 | MemoryProfileLibRecord (\r | |
658 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
659 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RUNTIME_ZERO_POOL,\r | |
660 | EfiRuntimeServicesData,\r | |
661 | Buffer,\r | |
662 | AllocationSize,\r | |
663 | NULL\r | |
664 | );\r | |
665 | }\r | |
666 | return Buffer;\r | |
0ac72713 | 667 | }\r |
668 | \r | |
669 | /**\r | |
670 | Allocates and zeros a buffer of type EfiReservedMemoryType.\r | |
671 | \r | |
672 | Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, clears the\r | |
673 | buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r | |
674 | valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r | |
675 | request, then NULL is returned.\r | |
676 | \r | |
677 | @param AllocationSize The number of bytes to allocate and zero.\r | |
678 | \r | |
679 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
680 | \r | |
681 | **/\r | |
682 | VOID *\r | |
683 | EFIAPI\r | |
684 | AllocateReservedZeroPool (\r | |
685 | IN UINTN AllocationSize\r | |
686 | )\r | |
687 | {\r | |
e2735692 SZ |
688 | VOID *Buffer;\r |
689 | \r | |
690 | Buffer = InternalAllocateZeroPool (EfiReservedMemoryType, AllocationSize);\r | |
691 | if (Buffer != NULL) {\r | |
692 | MemoryProfileLibRecord (\r | |
693 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
694 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RESERVED_ZERO_POOL,\r | |
695 | EfiReservedMemoryType,\r | |
696 | Buffer,\r | |
697 | AllocationSize,\r | |
698 | NULL\r | |
699 | );\r | |
700 | }\r | |
701 | return Buffer;\r | |
0ac72713 | 702 | }\r |
703 | \r | |
704 | /**\r | |
446b94b0 | 705 | Copies a buffer to an allocated buffer of a certain pool type.\r |
0ac72713 | 706 | \r |
446b94b0 | 707 | Allocates the number bytes specified by AllocationSize of a certain pool type, copies\r |
0ac72713 | 708 | AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r |
709 | allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r | |
710 | is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
711 | If Buffer is NULL, then ASSERT().\r | |
712 | If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r | |
713 | \r | |
714 | @param PoolType The type of pool to allocate.\r | |
715 | @param AllocationSize The number of bytes to allocate and zero.\r | |
716 | @param Buffer The buffer to copy to the allocated buffer.\r | |
717 | \r | |
718 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
719 | \r | |
720 | **/\r | |
721 | VOID *\r | |
722 | InternalAllocateCopyPool (\r | |
723 | IN EFI_MEMORY_TYPE PoolType, \r | |
724 | IN UINTN AllocationSize,\r | |
725 | IN CONST VOID *Buffer\r | |
726 | ) \r | |
727 | {\r | |
728 | VOID *Memory;\r | |
729 | \r | |
730 | ASSERT (Buffer != NULL);\r | |
731 | ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1));\r | |
732 | \r | |
733 | Memory = InternalAllocatePool (PoolType, AllocationSize);\r | |
734 | if (Memory != NULL) {\r | |
735 | Memory = CopyMem (Memory, Buffer, AllocationSize);\r | |
736 | }\r | |
737 | return Memory;\r | |
738 | } \r | |
739 | \r | |
740 | /**\r | |
741 | Copies a buffer to an allocated buffer of type EfiBootServicesData.\r | |
742 | \r | |
743 | Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, copies\r | |
744 | AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r | |
745 | allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r | |
746 | is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
f6998888 | 747 | \r |
0ac72713 | 748 | If Buffer is NULL, then ASSERT().\r |
749 | If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r | |
750 | \r | |
751 | @param AllocationSize The number of bytes to allocate and zero.\r | |
752 | @param Buffer The buffer to copy to the allocated buffer.\r | |
753 | \r | |
754 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
755 | \r | |
756 | **/\r | |
757 | VOID *\r | |
758 | EFIAPI\r | |
759 | AllocateCopyPool (\r | |
760 | IN UINTN AllocationSize,\r | |
761 | IN CONST VOID *Buffer\r | |
762 | )\r | |
763 | {\r | |
e2735692 SZ |
764 | VOID *NewBuffer;\r |
765 | \r | |
766 | NewBuffer = InternalAllocateCopyPool (EfiBootServicesData, AllocationSize, Buffer);\r | |
767 | if (NewBuffer != NULL) {\r | |
768 | MemoryProfileLibRecord (\r | |
769 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
770 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_COPY_POOL,\r | |
771 | EfiBootServicesData,\r | |
772 | NewBuffer,\r | |
773 | AllocationSize,\r | |
774 | NULL\r | |
775 | );\r | |
776 | }\r | |
777 | return NewBuffer;\r | |
0ac72713 | 778 | }\r |
779 | \r | |
780 | /**\r | |
781 | Copies a buffer to an allocated buffer of type EfiRuntimeServicesData.\r | |
782 | \r | |
783 | Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, copies\r | |
784 | AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r | |
785 | allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r | |
786 | is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
f6998888 | 787 | \r |
0ac72713 | 788 | If Buffer is NULL, then ASSERT().\r |
789 | If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r | |
790 | \r | |
791 | @param AllocationSize The number of bytes to allocate and zero.\r | |
792 | @param Buffer The buffer to copy to the allocated buffer.\r | |
793 | \r | |
794 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
795 | \r | |
796 | **/\r | |
797 | VOID *\r | |
798 | EFIAPI\r | |
799 | AllocateRuntimeCopyPool (\r | |
800 | IN UINTN AllocationSize,\r | |
801 | IN CONST VOID *Buffer\r | |
802 | )\r | |
803 | {\r | |
e2735692 SZ |
804 | VOID *NewBuffer;\r |
805 | \r | |
806 | NewBuffer = InternalAllocateCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer);\r | |
807 | if (NewBuffer != NULL) {\r | |
808 | MemoryProfileLibRecord (\r | |
809 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
810 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RUNTIME_COPY_POOL,\r | |
811 | EfiRuntimeServicesData,\r | |
812 | NewBuffer,\r | |
813 | AllocationSize,\r | |
814 | NULL\r | |
815 | );\r | |
816 | }\r | |
817 | return NewBuffer;\r | |
0ac72713 | 818 | }\r |
819 | \r | |
820 | /**\r | |
821 | Copies a buffer to an allocated buffer of type EfiReservedMemoryType.\r | |
822 | \r | |
823 | Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, copies\r | |
824 | AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r | |
825 | allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r | |
826 | is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
f6998888 | 827 | \r |
0ac72713 | 828 | If Buffer is NULL, then ASSERT().\r |
829 | If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r | |
830 | \r | |
831 | @param AllocationSize The number of bytes to allocate and zero.\r | |
832 | @param Buffer The buffer to copy to the allocated buffer.\r | |
833 | \r | |
834 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
835 | \r | |
836 | **/\r | |
837 | VOID *\r | |
838 | EFIAPI\r | |
839 | AllocateReservedCopyPool (\r | |
840 | IN UINTN AllocationSize,\r | |
841 | IN CONST VOID *Buffer\r | |
842 | )\r | |
843 | {\r | |
e2735692 SZ |
844 | VOID *NewBuffer;\r |
845 | \r | |
846 | NewBuffer = InternalAllocateCopyPool (EfiReservedMemoryType, AllocationSize, Buffer);\r | |
847 | if (NewBuffer != NULL) {\r | |
848 | MemoryProfileLibRecord (\r | |
849 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
850 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RESERVED_COPY_POOL,\r | |
851 | EfiRuntimeServicesData,\r | |
852 | NewBuffer,\r | |
853 | AllocationSize,\r | |
854 | NULL\r | |
855 | );\r | |
856 | }\r | |
857 | return NewBuffer;\r | |
0ac72713 | 858 | }\r |
859 | \r | |
f6998888 | 860 | /**\r |
861 | Reallocates a buffer of a specified memory type.\r | |
862 | \r | |
863 | Allocates and zeros the number bytes specified by NewSize from memory of the type\r | |
864 | specified by PoolType. If OldBuffer is not NULL, then the smaller of OldSize and \r | |
865 | NewSize bytes are copied from OldBuffer to the newly allocated buffer, and \r | |
866 | OldBuffer is freed. A pointer to the newly allocated buffer is returned. \r | |
867 | If NewSize is 0, then a valid buffer of 0 size is returned. If there is not \r | |
868 | enough memory remaining to satisfy the request, then NULL is returned.\r | |
869 | \r | |
56304569 | 870 | If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r |
871 | is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r | |
f6998888 | 872 | \r |
873 | @param PoolType The type of pool to allocate.\r | |
874 | @param OldSize The size, in bytes, of OldBuffer.\r | |
875 | @param NewSize The size, in bytes, of the buffer to reallocate.\r | |
876 | @param OldBuffer The buffer to copy to the allocated buffer. This is an optional \r | |
877 | parameter that may be NULL.\r | |
878 | \r | |
879 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
880 | \r | |
881 | **/\r | |
882 | VOID *\r | |
883 | InternalReallocatePool (\r | |
884 | IN EFI_MEMORY_TYPE PoolType, \r | |
885 | IN UINTN OldSize,\r | |
886 | IN UINTN NewSize,\r | |
887 | IN VOID *OldBuffer OPTIONAL\r | |
888 | )\r | |
889 | {\r | |
890 | VOID *NewBuffer;\r | |
891 | \r | |
ae55f4eb | 892 | NewBuffer = InternalAllocateZeroPool (PoolType, NewSize);\r |
f6998888 | 893 | if (NewBuffer != NULL && OldBuffer != NULL) {\r |
894 | CopyMem (NewBuffer, OldBuffer, MIN (OldSize, NewSize));\r | |
895 | FreePool (OldBuffer);\r | |
896 | }\r | |
897 | return NewBuffer;\r | |
898 | }\r | |
899 | \r | |
900 | /**\r | |
901 | Reallocates a buffer of type EfiBootServicesData.\r | |
902 | \r | |
903 | Allocates and zeros the number bytes specified by NewSize from memory of type\r | |
904 | EfiBootServicesData. If OldBuffer is not NULL, then the smaller of OldSize and \r | |
905 | NewSize bytes are copied from OldBuffer to the newly allocated buffer, and \r | |
906 | OldBuffer is freed. A pointer to the newly allocated buffer is returned. \r | |
907 | If NewSize is 0, then a valid buffer of 0 size is returned. If there is not \r | |
908 | enough memory remaining to satisfy the request, then NULL is returned.\r | |
909 | \r | |
56304569 | 910 | If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r |
911 | is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r | |
f6998888 | 912 | \r |
913 | @param OldSize The size, in bytes, of OldBuffer.\r | |
914 | @param NewSize The size, in bytes, of the buffer to reallocate.\r | |
915 | @param OldBuffer The buffer to copy to the allocated buffer. This is an optional \r | |
916 | parameter that may be NULL.\r | |
917 | \r | |
918 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
919 | \r | |
920 | **/\r | |
921 | VOID *\r | |
922 | EFIAPI\r | |
923 | ReallocatePool (\r | |
924 | IN UINTN OldSize,\r | |
925 | IN UINTN NewSize,\r | |
926 | IN VOID *OldBuffer OPTIONAL\r | |
927 | )\r | |
928 | {\r | |
e2735692 SZ |
929 | VOID *Buffer;\r |
930 | \r | |
931 | Buffer = InternalReallocatePool (EfiBootServicesData, OldSize, NewSize, OldBuffer);\r | |
932 | if (Buffer != NULL) {\r | |
933 | MemoryProfileLibRecord (\r | |
934 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
935 | MEMORY_PROFILE_ACTION_LIB_REALLOCATE_POOL,\r | |
936 | EfiBootServicesData,\r | |
937 | Buffer,\r | |
938 | NewSize,\r | |
939 | NULL\r | |
940 | );\r | |
941 | }\r | |
942 | return Buffer;\r | |
f6998888 | 943 | }\r |
944 | \r | |
945 | /**\r | |
946 | Reallocates a buffer of type EfiRuntimeServicesData.\r | |
947 | \r | |
948 | Allocates and zeros the number bytes specified by NewSize from memory of type\r | |
949 | EfiRuntimeServicesData. If OldBuffer is not NULL, then the smaller of OldSize and \r | |
950 | NewSize bytes are copied from OldBuffer to the newly allocated buffer, and \r | |
951 | OldBuffer is freed. A pointer to the newly allocated buffer is returned. \r | |
952 | If NewSize is 0, then a valid buffer of 0 size is returned. If there is not \r | |
953 | enough memory remaining to satisfy the request, then NULL is returned.\r | |
954 | \r | |
56304569 | 955 | If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r |
956 | is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r | |
f6998888 | 957 | \r |
958 | @param OldSize The size, in bytes, of OldBuffer.\r | |
959 | @param NewSize The size, in bytes, of the buffer to reallocate.\r | |
960 | @param OldBuffer The buffer to copy to the allocated buffer. This is an optional \r | |
961 | parameter that may be NULL.\r | |
962 | \r | |
963 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
964 | \r | |
965 | **/\r | |
966 | VOID *\r | |
967 | EFIAPI\r | |
968 | ReallocateRuntimePool (\r | |
969 | IN UINTN OldSize,\r | |
970 | IN UINTN NewSize,\r | |
971 | IN VOID *OldBuffer OPTIONAL\r | |
972 | )\r | |
973 | {\r | |
e2735692 SZ |
974 | VOID *Buffer;\r |
975 | \r | |
976 | Buffer = InternalReallocatePool (EfiRuntimeServicesData, OldSize, NewSize, OldBuffer);\r | |
977 | if (Buffer != NULL) {\r | |
978 | MemoryProfileLibRecord (\r | |
979 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
980 | MEMORY_PROFILE_ACTION_LIB_REALLOCATE_RUNTIME_POOL,\r | |
981 | EfiRuntimeServicesData,\r | |
982 | Buffer,\r | |
983 | NewSize,\r | |
984 | NULL\r | |
985 | );\r | |
986 | }\r | |
987 | return Buffer;\r | |
f6998888 | 988 | }\r |
989 | \r | |
990 | /**\r | |
991 | Reallocates a buffer of type EfiReservedMemoryType.\r | |
992 | \r | |
993 | Allocates and zeros the number bytes specified by NewSize from memory of type\r | |
994 | EfiReservedMemoryType. If OldBuffer is not NULL, then the smaller of OldSize and \r | |
995 | NewSize bytes are copied from OldBuffer to the newly allocated buffer, and \r | |
996 | OldBuffer is freed. A pointer to the newly allocated buffer is returned. \r | |
997 | If NewSize is 0, then a valid buffer of 0 size is returned. If there is not \r | |
998 | enough memory remaining to satisfy the request, then NULL is returned.\r | |
6a30c6d0 | 999 | \r |
56304569 | 1000 | If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r |
1001 | is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r | |
f6998888 | 1002 | \r |
1003 | @param OldSize The size, in bytes, of OldBuffer.\r | |
1004 | @param NewSize The size, in bytes, of the buffer to reallocate.\r | |
1005 | @param OldBuffer The buffer to copy to the allocated buffer. This is an optional \r | |
1006 | parameter that may be NULL.\r | |
1007 | \r | |
1008 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
1009 | \r | |
1010 | **/\r | |
1011 | VOID *\r | |
1012 | EFIAPI\r | |
1013 | ReallocateReservedPool (\r | |
1014 | IN UINTN OldSize,\r | |
1015 | IN UINTN NewSize,\r | |
1016 | IN VOID *OldBuffer OPTIONAL\r | |
1017 | )\r | |
1018 | {\r | |
e2735692 SZ |
1019 | VOID *Buffer;\r |
1020 | \r | |
1021 | Buffer = InternalReallocatePool (EfiReservedMemoryType, OldSize, NewSize, OldBuffer);\r | |
1022 | if (Buffer != NULL) {\r | |
1023 | MemoryProfileLibRecord (\r | |
1024 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
1025 | MEMORY_PROFILE_ACTION_LIB_REALLOCATE_RESERVED_POOL,\r | |
1026 | EfiReservedMemoryType,\r | |
1027 | Buffer,\r | |
1028 | NewSize,\r | |
1029 | NULL\r | |
1030 | );\r | |
1031 | }\r | |
1032 | return Buffer;\r | |
f6998888 | 1033 | }\r |
1034 | \r | |
0ac72713 | 1035 | /**\r |
1036 | Frees a buffer that was previously allocated with one of the pool allocation functions in the\r | |
1037 | Memory Allocation Library.\r | |
1038 | \r | |
1039 | Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the\r | |
aa2f249e | 1040 | pool allocation services of the Memory Allocation Library. If it is not possible to free pool\r |
446b94b0 | 1041 | resources, then this function will perform no actions.\r |
f6998888 | 1042 | \r |
0ac72713 | 1043 | If Buffer was not allocated with a pool allocation function in the Memory Allocation Library,\r |
1044 | then ASSERT().\r | |
1045 | \r | |
1046 | @param Buffer Pointer to the buffer to free.\r | |
1047 | \r | |
1048 | **/\r | |
1049 | VOID\r | |
1050 | EFIAPI\r | |
1051 | FreePool (\r | |
1052 | IN VOID *Buffer\r | |
1053 | )\r | |
1054 | {\r | |
1055 | EFI_STATUS Status;\r | |
1056 | \r | |
1057 | Status = CoreFreePool (Buffer);\r | |
1058 | ASSERT_EFI_ERROR (Status);\r | |
1059 | }\r | |
1060 | \r |