projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 0ac72713 | 1 | /** @file\r |
| d1102dba | 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 |
| d1102dba | 6 | Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| 9d510e61 | 7 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| 0ac72713 | 8 | \r |
| 9 | **/\r | |
| 10 | \r | |
| 11 | \r | |
| 12 | #include <PiDxe.h>\r | |
| 13 | \r | |
| f6998888 | 14 | \r |
| 0ac72713 | 15 | #include <Library/MemoryAllocationLib.h>\r |
| 16 | #include <Library/BaseMemoryLib.h>\r | |
| 17 | #include <Library/DebugLib.h>\r | |
| 0ac72713 | 18 | #include "DxeCoreMemoryAllocationServices.h"\r |
| 19 | \r | |
| e2735692 SZ |
20 | #include <Library/MemoryProfileLib.h>\r |
| 21 | \r | |
| 0ac72713 | 22 | /**\r |
| 23 | Allocates one or more 4KB pages of a certain memory type.\r | |
| 24 | \r | |
| 25 | Allocates the number of 4KB pages of a certain memory type and returns a pointer to the allocated\r | |
| 26 | buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL is returned.\r | |
| 27 | If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| 28 | \r | |
| 29 | @param MemoryType The type of memory to allocate.\r | |
| 30 | @param Pages The number of 4 KB pages to allocate.\r | |
| 31 | \r | |
| 32 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 33 | \r | |
| 34 | **/\r | |
| 35 | VOID *\r | |
| 36 | InternalAllocatePages (\r | |
| d1102dba | 37 | IN EFI_MEMORY_TYPE MemoryType,\r |
| 0ac72713 | 38 | IN UINTN Pages\r |
| 39 | )\r | |
| 40 | {\r | |
| 41 | EFI_STATUS Status;\r | |
| d1102dba | 42 | EFI_PHYSICAL_ADDRESS Memory;\r |
| 0ac72713 | 43 | \r |
| 44 | if (Pages == 0) {\r | |
| 45 | return NULL;\r | |
| 46 | }\r | |
| 47 | \r | |
| 48 | Status = CoreAllocatePages (AllocateAnyPages, MemoryType, Pages, &Memory);\r | |
| 49 | if (EFI_ERROR (Status)) {\r | |
| 50 | return NULL;\r | |
| 51 | }\r | |
| 52 | return (VOID *) (UINTN) Memory;\r | |
| 53 | }\r | |
| 54 | \r | |
| 55 | /**\r | |
| 56 | Allocates one or more 4KB pages of type EfiBootServicesData.\r | |
| 57 | \r | |
| 58 | Allocates the number of 4KB pages of type EfiBootServicesData and returns a pointer to the\r | |
| 59 | allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r | |
| 60 | is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r | |
| 61 | returned.\r | |
| 62 | \r | |
| 63 | @param Pages The number of 4 KB pages to allocate.\r | |
| 64 | \r | |
| 65 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 66 | \r | |
| 67 | **/\r | |
| 68 | VOID *\r | |
| 69 | EFIAPI\r | |
| 70 | AllocatePages (\r | |
| 71 | IN UINTN Pages\r | |
| 72 | )\r | |
| 73 | {\r | |
| e2735692 SZ |
74 | VOID *Buffer;\r |
| 75 | \r | |
| 76 | Buffer = InternalAllocatePages (EfiBootServicesData, Pages);\r | |
| 77 | if (Buffer != NULL) {\r | |
| 78 | MemoryProfileLibRecord (\r | |
| 79 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 80 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_PAGES,\r | |
| 81 | EfiBootServicesData,\r | |
| 82 | Buffer,\r | |
| 83 | EFI_PAGES_TO_SIZE (Pages),\r | |
| 84 | NULL\r | |
| 85 | );\r | |
| 86 | }\r | |
| 87 | return Buffer;\r | |
| 0ac72713 | 88 | }\r |
| 89 | \r | |
| 90 | /**\r | |
| 91 | Allocates one or more 4KB pages of type EfiRuntimeServicesData.\r | |
| 92 | \r | |
| 93 | Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the\r | |
| 94 | allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r | |
| 95 | is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r | |
| 96 | returned.\r | |
| 97 | \r | |
| 98 | @param Pages The number of 4 KB pages to allocate.\r | |
| 99 | \r | |
| 100 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 101 | \r | |
| 102 | **/\r | |
| 103 | VOID *\r | |
| 104 | EFIAPI\r | |
| 105 | AllocateRuntimePages (\r | |
| 106 | IN UINTN Pages\r | |
| 107 | )\r | |
| 108 | {\r | |
| e2735692 SZ |
109 | VOID *Buffer;\r |
| 110 | \r | |
| 111 | Buffer = InternalAllocatePages (EfiRuntimeServicesData, Pages);\r | |
| 112 | if (Buffer != NULL) {\r | |
| 113 | MemoryProfileLibRecord (\r | |
| 114 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 115 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RUNTIME_PAGES,\r | |
| 116 | EfiRuntimeServicesData,\r | |
| 117 | Buffer,\r | |
| 118 | EFI_PAGES_TO_SIZE (Pages),\r | |
| 119 | NULL\r | |
| 120 | );\r | |
| 121 | }\r | |
| 122 | return Buffer;\r | |
| 0ac72713 | 123 | }\r |
| 124 | \r | |
| 125 | /**\r | |
| 126 | Allocates one or more 4KB pages of type EfiReservedMemoryType.\r | |
| 127 | \r | |
| 128 | Allocates the number of 4KB pages of type EfiReservedMemoryType and returns a pointer to the\r | |
| 129 | allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r | |
| 130 | is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r | |
| 131 | returned.\r | |
| 132 | \r | |
| 133 | @param Pages The number of 4 KB pages to allocate.\r | |
| 134 | \r | |
| 135 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 136 | \r | |
| 137 | **/\r | |
| 138 | VOID *\r | |
| 139 | EFIAPI\r | |
| 140 | AllocateReservedPages (\r | |
| 141 | IN UINTN Pages\r | |
| 142 | )\r | |
| 143 | {\r | |
| e2735692 SZ |
144 | VOID *Buffer;\r |
| 145 | \r | |
| 146 | Buffer = InternalAllocatePages (EfiReservedMemoryType, Pages);\r | |
| 147 | if (Buffer != NULL) {\r | |
| 148 | MemoryProfileLibRecord (\r | |
| 149 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 150 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RESERVED_PAGES,\r | |
| 151 | EfiReservedMemoryType,\r | |
| 152 | Buffer,\r | |
| 153 | EFI_PAGES_TO_SIZE (Pages),\r | |
| 154 | NULL\r | |
| 155 | );\r | |
| 156 | }\r | |
| 157 | return Buffer;\r | |
| 0ac72713 | 158 | }\r |
| 159 | \r | |
| 160 | /**\r | |
| 161 | Frees one or more 4KB pages that were previously allocated with one of the page allocation\r | |
| 162 | functions in the Memory Allocation Library.\r | |
| 163 | \r | |
| 164 | Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer\r | |
| 165 | must have been allocated on a previous call to the page allocation services of the Memory\r | |
| aa2f249e | 166 | Allocation Library. If it is not possible to free allocated pages, then this function will\r |
| 446b94b0 | 167 | perform no actions.\r |
| d1102dba | 168 | \r |
| 0ac72713 | 169 | If Buffer was not allocated with a page allocation function in the Memory Allocation Library,\r |
| 170 | then ASSERT().\r | |
| 171 | If Pages is zero, then ASSERT().\r | |
| d1102dba | 172 | \r |
| 0ac72713 | 173 | @param Buffer Pointer to the buffer of pages to free.\r |
| 174 | @param Pages The number of 4 KB pages to free.\r | |
| 175 | \r | |
| 176 | **/\r | |
| 177 | VOID\r | |
| 178 | EFIAPI\r | |
| 179 | FreePages (\r | |
| 180 | IN VOID *Buffer,\r | |
| 181 | IN UINTN Pages\r | |
| 182 | )\r | |
| 183 | {\r | |
| 184 | EFI_STATUS Status;\r | |
| 185 | \r | |
| 186 | ASSERT (Pages != 0);\r | |
| 187 | Status = CoreFreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, Pages);\r | |
| 188 | ASSERT_EFI_ERROR (Status);\r | |
| 189 | }\r | |
| 190 | \r | |
| 191 | /**\r | |
| 192 | Allocates one or more 4KB pages of a certain memory type at a specified alignment.\r | |
| 193 | \r | |
| 194 | Allocates the number of 4KB pages specified by Pages of a certain memory type with an alignment\r | |
| 195 | specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is returned.\r | |
| 196 | If there is not enough memory at the specified alignment remaining to satisfy the request, then\r | |
| 197 | NULL is returned.\r | |
| 198 | If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r | |
| 91403ce9 | 199 | If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r |
| 0ac72713 | 200 | \r |
| 201 | @param MemoryType The type of memory to allocate.\r | |
| 202 | @param Pages The number of 4 KB pages to allocate.\r | |
| 203 | @param Alignment The requested alignment of the allocation. Must be a power of two.\r | |
| 204 | If Alignment is zero, then byte alignment is used.\r | |
| 205 | \r | |
| 206 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 207 | \r | |
| 208 | **/\r | |
| 209 | VOID *\r | |
| 210 | InternalAllocateAlignedPages (\r | |
| d1102dba | 211 | IN EFI_MEMORY_TYPE MemoryType,\r |
| 0ac72713 | 212 | IN UINTN Pages,\r |
| 213 | IN UINTN Alignment\r | |
| 214 | )\r | |
| 215 | {\r | |
| 216 | EFI_STATUS Status;\r | |
| 217 | EFI_PHYSICAL_ADDRESS Memory;\r | |
| 218 | UINTN AlignedMemory;\r | |
| 219 | UINTN AlignmentMask;\r | |
| 220 | UINTN UnalignedPages;\r | |
| 221 | UINTN RealPages;\r | |
| 222 | \r | |
| 223 | //\r | |
| 224 | // Alignment must be a power of two or zero.\r | |
| 225 | //\r | |
| 226 | ASSERT ((Alignment & (Alignment - 1)) == 0);\r | |
| d1102dba | 227 | \r |
| 0ac72713 | 228 | if (Pages == 0) {\r |
| 229 | return NULL;\r | |
| 230 | }\r | |
| 231 | if (Alignment > EFI_PAGE_SIZE) {\r | |
| 232 | //\r | |
| e50a226b | 233 | // Calculate the total number of pages since alignment is larger than page size.\r |
| 0ac72713 | 234 | //\r |
| 235 | AlignmentMask = Alignment - 1;\r | |
| 236 | RealPages = Pages + EFI_SIZE_TO_PAGES (Alignment);\r | |
| 237 | //\r | |
| 238 | // Make sure that Pages plus EFI_SIZE_TO_PAGES (Alignment) does not overflow.\r | |
| 239 | //\r | |
| 240 | ASSERT (RealPages > Pages);\r | |
| d1102dba | 241 | \r |
| 0ac72713 | 242 | Status = CoreAllocatePages (AllocateAnyPages, MemoryType, RealPages, &Memory);\r |
| 243 | if (EFI_ERROR (Status)) {\r | |
| 244 | return NULL;\r | |
| 245 | }\r | |
| 246 | AlignedMemory = ((UINTN) Memory + AlignmentMask) & ~AlignmentMask;\r | |
| 247 | UnalignedPages = EFI_SIZE_TO_PAGES (AlignedMemory - (UINTN) Memory);\r | |
| 248 | if (UnalignedPages > 0) {\r | |
| 249 | //\r | |
| 250 | // Free first unaligned page(s).\r | |
| 251 | //\r | |
| 252 | Status = CoreFreePages (Memory, UnalignedPages);\r | |
| 253 | ASSERT_EFI_ERROR (Status);\r | |
| 254 | }\r | |
| 16f69227 | 255 | Memory = AlignedMemory + EFI_PAGES_TO_SIZE (Pages);\r |
| 0ac72713 | 256 | UnalignedPages = RealPages - Pages - UnalignedPages;\r |
| 257 | if (UnalignedPages > 0) {\r | |
| 258 | //\r | |
| 259 | // Free last unaligned page(s).\r | |
| 260 | //\r | |
| 261 | Status = CoreFreePages (Memory, UnalignedPages);\r | |
| 262 | ASSERT_EFI_ERROR (Status);\r | |
| 263 | }\r | |
| 264 | } else {\r | |
| 265 | //\r | |
| 266 | // Do not over-allocate pages in this case.\r | |
| 267 | //\r | |
| 268 | Status = CoreAllocatePages (AllocateAnyPages, MemoryType, Pages, &Memory);\r | |
| 269 | if (EFI_ERROR (Status)) {\r | |
| 270 | return NULL;\r | |
| 271 | }\r | |
| 272 | AlignedMemory = (UINTN) Memory;\r | |
| 273 | }\r | |
| 274 | return (VOID *) AlignedMemory;\r | |
| 275 | }\r | |
| 276 | \r | |
| 277 | /**\r | |
| 278 | Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment.\r | |
| 279 | \r | |
| 280 | Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an\r | |
| 281 | alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r | |
| 282 | returned. If there is not enough memory at the specified alignment remaining to satisfy the\r | |
| 283 | request, then NULL is returned.\r | |
| d1102dba | 284 | \r |
| 0ac72713 | 285 | If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r |
| 91403ce9 | 286 | If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r |
| 0ac72713 | 287 | \r |
| 288 | @param Pages The number of 4 KB pages to allocate.\r | |
| 289 | @param Alignment The requested alignment of the allocation. Must be a power of two.\r | |
| 290 | If Alignment is zero, then byte alignment is used.\r | |
| 291 | \r | |
| 292 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 293 | \r | |
| 294 | **/\r | |
| 295 | VOID *\r | |
| 296 | EFIAPI\r | |
| 297 | AllocateAlignedPages (\r | |
| 298 | IN UINTN Pages,\r | |
| 299 | IN UINTN Alignment\r | |
| 300 | )\r | |
| 301 | {\r | |
| e2735692 SZ |
302 | VOID *Buffer;\r |
| 303 | \r | |
| 304 | Buffer = InternalAllocateAlignedPages (EfiBootServicesData, Pages, Alignment);\r | |
| 305 | if (Buffer != NULL) {\r | |
| 306 | MemoryProfileLibRecord (\r | |
| 307 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 308 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_ALIGNED_PAGES,\r | |
| 309 | EfiBootServicesData,\r | |
| 310 | Buffer,\r | |
| 311 | EFI_PAGES_TO_SIZE (Pages),\r | |
| 312 | NULL\r | |
| 313 | );\r | |
| 314 | }\r | |
| 315 | return Buffer;\r | |
| 0ac72713 | 316 | }\r |
| 317 | \r | |
| 318 | /**\r | |
| 319 | Allocates one or more 4KB pages of type EfiRuntimeServicesData at a specified alignment.\r | |
| 320 | \r | |
| 321 | Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData with an\r | |
| 322 | alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r | |
| 323 | returned. If there is not enough memory at the specified alignment remaining to satisfy the\r | |
| 324 | request, then NULL is returned.\r | |
| d1102dba | 325 | \r |
| 0ac72713 | 326 | If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r |
| 91403ce9 | 327 | If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r |
| 0ac72713 | 328 | \r |
| 329 | @param Pages The number of 4 KB pages to allocate.\r | |
| 330 | @param Alignment The requested alignment of the allocation. Must be a power of two.\r | |
| 331 | If Alignment is zero, then byte alignment is used.\r | |
| 332 | \r | |
| 333 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 334 | \r | |
| 335 | **/\r | |
| 336 | VOID *\r | |
| 337 | EFIAPI\r | |
| 338 | AllocateAlignedRuntimePages (\r | |
| 339 | IN UINTN Pages,\r | |
| 340 | IN UINTN Alignment\r | |
| 341 | )\r | |
| 342 | {\r | |
| e2735692 SZ |
343 | VOID *Buffer;\r |
| 344 | \r | |
| 345 | Buffer = InternalAllocateAlignedPages (EfiRuntimeServicesData, Pages, Alignment);\r | |
| 346 | if (Buffer != NULL) {\r | |
| 347 | MemoryProfileLibRecord (\r | |
| 348 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 349 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_ALIGNED_RUNTIME_PAGES,\r | |
| 350 | EfiRuntimeServicesData,\r | |
| 351 | Buffer,\r | |
| 352 | EFI_PAGES_TO_SIZE (Pages),\r | |
| 353 | NULL\r | |
| 354 | );\r | |
| 355 | }\r | |
| 356 | return Buffer;\r | |
| 0ac72713 | 357 | }\r |
| 358 | \r | |
| 359 | /**\r | |
| 360 | Allocates one or more 4KB pages of type EfiReservedMemoryType at a specified alignment.\r | |
| 361 | \r | |
| 362 | Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType with an\r | |
| 363 | alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r | |
| 364 | returned. If there is not enough memory at the specified alignment remaining to satisfy the\r | |
| 365 | request, then NULL is returned.\r | |
| d1102dba | 366 | \r |
| 0ac72713 | 367 | If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r |
| 91403ce9 | 368 | If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r |
| 0ac72713 | 369 | \r |
| 370 | @param Pages The number of 4 KB pages to allocate.\r | |
| 371 | @param Alignment The requested alignment of the allocation. Must be a power of two.\r | |
| 372 | If Alignment is zero, then byte alignment is used.\r | |
| 373 | \r | |
| 374 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 375 | \r | |
| 376 | **/\r | |
| 377 | VOID *\r | |
| 378 | EFIAPI\r | |
| 379 | AllocateAlignedReservedPages (\r | |
| 380 | IN UINTN Pages,\r | |
| 381 | IN UINTN Alignment\r | |
| 382 | )\r | |
| 383 | {\r | |
| e2735692 SZ |
384 | VOID *Buffer;\r |
| 385 | \r | |
| 386 | Buffer = InternalAllocateAlignedPages (EfiReservedMemoryType, Pages, Alignment);\r | |
| 387 | if (Buffer != NULL) {\r | |
| 388 | MemoryProfileLibRecord (\r | |
| 389 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 390 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_ALIGNED_RESERVED_PAGES,\r | |
| 391 | EfiReservedMemoryType,\r | |
| 392 | Buffer,\r | |
| 393 | EFI_PAGES_TO_SIZE (Pages),\r | |
| 394 | NULL\r | |
| 395 | );\r | |
| 396 | }\r | |
| 397 | return Buffer;\r | |
| 0ac72713 | 398 | }\r |
| 399 | \r | |
| 400 | /**\r | |
| 401 | Frees one or more 4KB pages that were previously allocated with one of the aligned page\r | |
| 402 | allocation functions in the Memory Allocation Library.\r | |
| 403 | \r | |
| 404 | Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer\r | |
| 405 | must have been allocated on a previous call to the aligned page allocation services of the Memory\r | |
| d1102dba | 406 | Allocation Library. If it is not possible to free allocated pages, then this function will\r |
| 446b94b0 | 407 | perform no actions.\r |
| d1102dba | 408 | \r |
| 0ac72713 | 409 | If Buffer was not allocated with an aligned page allocation function in the Memory Allocation\r |
| 410 | Library, then ASSERT().\r | |
| 411 | If Pages is zero, then ASSERT().\r | |
| d1102dba | 412 | \r |
| 0ac72713 | 413 | @param Buffer Pointer to the buffer of pages to free.\r |
| 414 | @param Pages The number of 4 KB pages to free.\r | |
| 415 | \r | |
| 416 | **/\r | |
| 417 | VOID\r | |
| 418 | EFIAPI\r | |
| 419 | FreeAlignedPages (\r | |
| 420 | IN VOID *Buffer,\r | |
| 421 | IN UINTN Pages\r | |
| 422 | )\r | |
| 423 | {\r | |
| 424 | EFI_STATUS Status;\r | |
| 425 | \r | |
| 426 | ASSERT (Pages != 0);\r | |
| 427 | Status = CoreFreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, Pages);\r | |
| 428 | ASSERT_EFI_ERROR (Status);\r | |
| 429 | }\r | |
| 430 | \r | |
| 431 | /**\r | |
| 432 | Allocates a buffer of a certain pool type.\r | |
| 433 | \r | |
| 434 | Allocates the number bytes specified by AllocationSize of a certain pool type and returns a\r | |
| 435 | pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r | |
| 436 | returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| 437 | \r | |
| 438 | @param MemoryType The type of memory to allocate.\r | |
| 439 | @param AllocationSize The number of bytes to allocate.\r | |
| 440 | \r | |
| 441 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 442 | \r | |
| 443 | **/\r | |
| 444 | VOID *\r | |
| 445 | InternalAllocatePool (\r | |
| d1102dba | 446 | IN EFI_MEMORY_TYPE MemoryType,\r |
| 0ac72713 | 447 | IN UINTN AllocationSize\r |
| 448 | )\r | |
| 449 | {\r | |
| 450 | EFI_STATUS Status;\r | |
| 451 | VOID *Memory;\r | |
| 452 | \r | |
| 4e1005ec ED |
453 | Memory = NULL;\r |
| 454 | \r | |
| 0ac72713 | 455 | Status = CoreAllocatePool (MemoryType, AllocationSize, &Memory);\r |
| 456 | if (EFI_ERROR (Status)) {\r | |
| 457 | Memory = NULL;\r | |
| 458 | }\r | |
| 459 | return Memory;\r | |
| 460 | }\r | |
| 461 | \r | |
| 462 | /**\r | |
| 463 | Allocates a buffer of type EfiBootServicesData.\r | |
| 464 | \r | |
| 465 | Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a\r | |
| 466 | pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r | |
| 467 | returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| 468 | \r | |
| 469 | @param AllocationSize The number of bytes to allocate.\r | |
| 470 | \r | |
| 471 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 472 | \r | |
| 473 | **/\r | |
| 474 | VOID *\r | |
| 475 | EFIAPI\r | |
| 476 | AllocatePool (\r | |
| 477 | IN UINTN AllocationSize\r | |
| 478 | )\r | |
| 479 | {\r | |
| e2735692 SZ |
480 | VOID *Buffer;\r |
| 481 | \r | |
| 482 | Buffer = InternalAllocatePool (EfiBootServicesData, AllocationSize);\r | |
| 483 | if (Buffer != NULL) {\r | |
| 484 | MemoryProfileLibRecord (\r | |
| 485 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 486 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_POOL,\r | |
| 487 | EfiBootServicesData,\r | |
| 488 | Buffer,\r | |
| 489 | AllocationSize,\r | |
| 490 | NULL\r | |
| 491 | );\r | |
| 492 | }\r | |
| 493 | return Buffer;\r | |
| 0ac72713 | 494 | }\r |
| 495 | \r | |
| 496 | /**\r | |
| 497 | Allocates a buffer of type EfiRuntimeServicesData.\r | |
| 498 | \r | |
| 499 | Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData and returns\r | |
| 500 | a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r | |
| 501 | returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| 502 | \r | |
| 503 | @param AllocationSize The number of bytes to allocate.\r | |
| 504 | \r | |
| 505 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 506 | \r | |
| 507 | **/\r | |
| 508 | VOID *\r | |
| 509 | EFIAPI\r | |
| 510 | AllocateRuntimePool (\r | |
| 511 | IN UINTN AllocationSize\r | |
| 512 | )\r | |
| 513 | {\r | |
| e2735692 SZ |
514 | VOID *Buffer;\r |
| 515 | \r | |
| 516 | Buffer = InternalAllocatePool (EfiRuntimeServicesData, AllocationSize);\r | |
| 517 | if (Buffer != NULL) {\r | |
| 518 | MemoryProfileLibRecord (\r | |
| 519 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 520 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RUNTIME_POOL,\r | |
| 521 | EfiRuntimeServicesData,\r | |
| 522 | Buffer,\r | |
| 523 | AllocationSize,\r | |
| 524 | NULL\r | |
| 525 | );\r | |
| 526 | }\r | |
| 527 | return Buffer;\r | |
| 0ac72713 | 528 | }\r |
| 529 | \r | |
| 530 | /**\r | |
| 31771abd | 531 | Allocates a buffer of type EfiReservedMemoryType.\r |
| 0ac72713 | 532 | \r |
| 31771abd | 533 | Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType and returns\r |
| 0ac72713 | 534 | a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r |
| 535 | returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| 536 | \r | |
| 537 | @param AllocationSize The number of bytes to allocate.\r | |
| 538 | \r | |
| 539 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 540 | \r | |
| 541 | **/\r | |
| 542 | VOID *\r | |
| 543 | EFIAPI\r | |
| 544 | AllocateReservedPool (\r | |
| 545 | IN UINTN AllocationSize\r | |
| 546 | )\r | |
| 547 | {\r | |
| e2735692 SZ |
548 | VOID *Buffer;\r |
| 549 | \r | |
| 550 | Buffer = InternalAllocatePool (EfiReservedMemoryType, AllocationSize);\r | |
| 551 | if (Buffer != NULL) {\r | |
| 552 | MemoryProfileLibRecord (\r | |
| 553 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 554 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RESERVED_POOL,\r | |
| 555 | EfiReservedMemoryType,\r | |
| 556 | Buffer,\r | |
| 557 | AllocationSize,\r | |
| 558 | NULL\r | |
| 559 | );\r | |
| 560 | }\r | |
| 561 | return Buffer;\r | |
| 0ac72713 | 562 | }\r |
| 563 | \r | |
| 564 | /**\r | |
| 446b94b0 | 565 | Allocates and zeros a buffer of a certain pool type.\r |
| 0ac72713 | 566 | \r |
| 446b94b0 | 567 | Allocates the number bytes specified by AllocationSize of a certain pool type, clears the buffer\r |
| 0ac72713 | 568 | with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a valid\r |
| 569 | buffer of 0 size is returned. If there is not enough memory remaining to satisfy the request,\r | |
| 570 | then NULL is returned.\r | |
| 571 | \r | |
| 572 | @param PoolType The type of memory to allocate.\r | |
| 573 | @param AllocationSize The number of bytes to allocate and zero.\r | |
| 574 | \r | |
| 575 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 576 | \r | |
| 577 | **/\r | |
| 578 | VOID *\r | |
| 579 | InternalAllocateZeroPool (\r | |
| d1102dba | 580 | IN EFI_MEMORY_TYPE PoolType,\r |
| 0ac72713 | 581 | IN UINTN AllocationSize\r |
| d1102dba | 582 | )\r |
| 0ac72713 | 583 | {\r |
| 584 | VOID *Memory;\r | |
| 585 | \r | |
| 586 | Memory = InternalAllocatePool (PoolType, AllocationSize);\r | |
| 587 | if (Memory != NULL) {\r | |
| 588 | Memory = ZeroMem (Memory, AllocationSize);\r | |
| 589 | }\r | |
| 590 | return Memory;\r | |
| 591 | }\r | |
| 592 | \r | |
| 593 | /**\r | |
| 594 | Allocates and zeros a buffer of type EfiBootServicesData.\r | |
| 595 | \r | |
| 596 | Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the\r | |
| 597 | buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r | |
| 598 | valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r | |
| 599 | request, then NULL is returned.\r | |
| 600 | \r | |
| 601 | @param AllocationSize The number of bytes to allocate and zero.\r | |
| 602 | \r | |
| 603 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 604 | \r | |
| 605 | **/\r | |
| 606 | VOID *\r | |
| 607 | EFIAPI\r | |
| 608 | AllocateZeroPool (\r | |
| 609 | IN UINTN AllocationSize\r | |
| 610 | )\r | |
| 611 | {\r | |
| e2735692 SZ |
612 | VOID *Buffer;\r |
| 613 | \r | |
| 614 | Buffer = InternalAllocateZeroPool (EfiBootServicesData, AllocationSize);\r | |
| 615 | if (Buffer != NULL) {\r | |
| 616 | MemoryProfileLibRecord (\r | |
| 617 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 618 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_ZERO_POOL,\r | |
| 619 | EfiBootServicesData,\r | |
| 620 | Buffer,\r | |
| 621 | AllocationSize,\r | |
| 622 | NULL\r | |
| 623 | );\r | |
| 624 | }\r | |
| 625 | return Buffer;\r | |
| 0ac72713 | 626 | }\r |
| 627 | \r | |
| 628 | /**\r | |
| 629 | Allocates and zeros a buffer of type EfiRuntimeServicesData.\r | |
| 630 | \r | |
| 631 | Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, clears the\r | |
| 632 | buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r | |
| 633 | valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r | |
| 634 | request, then NULL is returned.\r | |
| 635 | \r | |
| 636 | @param AllocationSize The number of bytes to allocate and zero.\r | |
| 637 | \r | |
| 638 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 639 | \r | |
| 640 | **/\r | |
| 641 | VOID *\r | |
| 642 | EFIAPI\r | |
| 643 | AllocateRuntimeZeroPool (\r | |
| 644 | IN UINTN AllocationSize\r | |
| 645 | )\r | |
| 646 | {\r | |
| e2735692 SZ |
647 | VOID *Buffer;\r |
| 648 | \r | |
| 649 | Buffer = InternalAllocateZeroPool (EfiRuntimeServicesData, AllocationSize);\r | |
| 650 | if (Buffer != NULL) {\r | |
| 651 | MemoryProfileLibRecord (\r | |
| 652 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 653 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RUNTIME_ZERO_POOL,\r | |
| 654 | EfiRuntimeServicesData,\r | |
| 655 | Buffer,\r | |
| 656 | AllocationSize,\r | |
| 657 | NULL\r | |
| 658 | );\r | |
| 659 | }\r | |
| 660 | return Buffer;\r | |
| 0ac72713 | 661 | }\r |
| 662 | \r | |
| 663 | /**\r | |
| 664 | Allocates and zeros a buffer of type EfiReservedMemoryType.\r | |
| 665 | \r | |
| 666 | Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, clears the\r | |
| 667 | buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r | |
| 668 | valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r | |
| 669 | request, then NULL is returned.\r | |
| 670 | \r | |
| 671 | @param AllocationSize The number of bytes to allocate and zero.\r | |
| 672 | \r | |
| 673 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 674 | \r | |
| 675 | **/\r | |
| 676 | VOID *\r | |
| 677 | EFIAPI\r | |
| 678 | AllocateReservedZeroPool (\r | |
| 679 | IN UINTN AllocationSize\r | |
| 680 | )\r | |
| 681 | {\r | |
| e2735692 SZ |
682 | VOID *Buffer;\r |
| 683 | \r | |
| 684 | Buffer = InternalAllocateZeroPool (EfiReservedMemoryType, AllocationSize);\r | |
| 685 | if (Buffer != NULL) {\r | |
| 686 | MemoryProfileLibRecord (\r | |
| 687 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 688 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RESERVED_ZERO_POOL,\r | |
| 689 | EfiReservedMemoryType,\r | |
| 690 | Buffer,\r | |
| 691 | AllocationSize,\r | |
| 692 | NULL\r | |
| 693 | );\r | |
| 694 | }\r | |
| 695 | return Buffer;\r | |
| 0ac72713 | 696 | }\r |
| 697 | \r | |
| 698 | /**\r | |
| 446b94b0 | 699 | Copies a buffer to an allocated buffer of a certain pool type.\r |
| 0ac72713 | 700 | \r |
| 446b94b0 | 701 | Allocates the number bytes specified by AllocationSize of a certain pool type, copies\r |
| 0ac72713 | 702 | AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r |
| 703 | allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r | |
| 704 | is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| 705 | If Buffer is NULL, then ASSERT().\r | |
| d1102dba | 706 | If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r |
| 0ac72713 | 707 | \r |
| 708 | @param PoolType The type of pool to allocate.\r | |
| 709 | @param AllocationSize The number of bytes to allocate and zero.\r | |
| 710 | @param Buffer The buffer to copy to the allocated buffer.\r | |
| 711 | \r | |
| 712 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 713 | \r | |
| 714 | **/\r | |
| 715 | VOID *\r | |
| 716 | InternalAllocateCopyPool (\r | |
| d1102dba | 717 | IN EFI_MEMORY_TYPE PoolType,\r |
| 0ac72713 | 718 | IN UINTN AllocationSize,\r |
| 719 | IN CONST VOID *Buffer\r | |
| d1102dba | 720 | )\r |
| 0ac72713 | 721 | {\r |
| 722 | VOID *Memory;\r | |
| 723 | \r | |
| 724 | ASSERT (Buffer != NULL);\r | |
| 725 | ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1));\r | |
| 726 | \r | |
| 727 | Memory = InternalAllocatePool (PoolType, AllocationSize);\r | |
| 728 | if (Memory != NULL) {\r | |
| 729 | Memory = CopyMem (Memory, Buffer, AllocationSize);\r | |
| 730 | }\r | |
| 731 | return Memory;\r | |
| d1102dba | 732 | }\r |
| 0ac72713 | 733 | \r |
| 734 | /**\r | |
| 735 | Copies a buffer to an allocated buffer of type EfiBootServicesData.\r | |
| 736 | \r | |
| 737 | Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, copies\r | |
| 738 | AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r | |
| 739 | allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r | |
| 740 | is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| d1102dba | 741 | \r |
| 0ac72713 | 742 | If Buffer is NULL, then ASSERT().\r |
| d1102dba | 743 | If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r |
| 0ac72713 | 744 | \r |
| 745 | @param AllocationSize The number of bytes to allocate and zero.\r | |
| 746 | @param Buffer The buffer to copy to the allocated buffer.\r | |
| 747 | \r | |
| 748 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 749 | \r | |
| 750 | **/\r | |
| 751 | VOID *\r | |
| 752 | EFIAPI\r | |
| 753 | AllocateCopyPool (\r | |
| 754 | IN UINTN AllocationSize,\r | |
| 755 | IN CONST VOID *Buffer\r | |
| 756 | )\r | |
| 757 | {\r | |
| e2735692 SZ |
758 | VOID *NewBuffer;\r |
| 759 | \r | |
| 760 | NewBuffer = InternalAllocateCopyPool (EfiBootServicesData, AllocationSize, Buffer);\r | |
| 761 | if (NewBuffer != NULL) {\r | |
| 762 | MemoryProfileLibRecord (\r | |
| 763 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 764 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_COPY_POOL,\r | |
| 765 | EfiBootServicesData,\r | |
| 766 | NewBuffer,\r | |
| 767 | AllocationSize,\r | |
| 768 | NULL\r | |
| 769 | );\r | |
| 770 | }\r | |
| 771 | return NewBuffer;\r | |
| 0ac72713 | 772 | }\r |
| 773 | \r | |
| 774 | /**\r | |
| 775 | Copies a buffer to an allocated buffer of type EfiRuntimeServicesData.\r | |
| 776 | \r | |
| 777 | Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, copies\r | |
| 778 | AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r | |
| 779 | allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r | |
| 780 | is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| d1102dba | 781 | \r |
| 0ac72713 | 782 | If Buffer is NULL, then ASSERT().\r |
| d1102dba | 783 | If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r |
| 0ac72713 | 784 | \r |
| 785 | @param AllocationSize The number of bytes to allocate and zero.\r | |
| 786 | @param Buffer The buffer to copy to the allocated buffer.\r | |
| 787 | \r | |
| 788 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 789 | \r | |
| 790 | **/\r | |
| 791 | VOID *\r | |
| 792 | EFIAPI\r | |
| 793 | AllocateRuntimeCopyPool (\r | |
| 794 | IN UINTN AllocationSize,\r | |
| 795 | IN CONST VOID *Buffer\r | |
| 796 | )\r | |
| 797 | {\r | |
| e2735692 SZ |
798 | VOID *NewBuffer;\r |
| 799 | \r | |
| 800 | NewBuffer = InternalAllocateCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer);\r | |
| 801 | if (NewBuffer != NULL) {\r | |
| 802 | MemoryProfileLibRecord (\r | |
| 803 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 804 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RUNTIME_COPY_POOL,\r | |
| 805 | EfiRuntimeServicesData,\r | |
| 806 | NewBuffer,\r | |
| 807 | AllocationSize,\r | |
| 808 | NULL\r | |
| 809 | );\r | |
| 810 | }\r | |
| 811 | return NewBuffer;\r | |
| 0ac72713 | 812 | }\r |
| 813 | \r | |
| 814 | /**\r | |
| 815 | Copies a buffer to an allocated buffer of type EfiReservedMemoryType.\r | |
| 816 | \r | |
| 817 | Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, copies\r | |
| 818 | AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r | |
| 819 | allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r | |
| 820 | is not enough memory remaining to satisfy the request, then NULL is returned.\r | |
| d1102dba | 821 | \r |
| 0ac72713 | 822 | If Buffer is NULL, then ASSERT().\r |
| d1102dba | 823 | If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r |
| 0ac72713 | 824 | \r |
| 825 | @param AllocationSize The number of bytes to allocate and zero.\r | |
| 826 | @param Buffer The buffer to copy to the allocated buffer.\r | |
| 827 | \r | |
| 828 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 829 | \r | |
| 830 | **/\r | |
| 831 | VOID *\r | |
| 832 | EFIAPI\r | |
| 833 | AllocateReservedCopyPool (\r | |
| 834 | IN UINTN AllocationSize,\r | |
| 835 | IN CONST VOID *Buffer\r | |
| 836 | )\r | |
| 837 | {\r | |
| e2735692 SZ |
838 | VOID *NewBuffer;\r |
| 839 | \r | |
| 840 | NewBuffer = InternalAllocateCopyPool (EfiReservedMemoryType, AllocationSize, Buffer);\r | |
| 841 | if (NewBuffer != NULL) {\r | |
| 842 | MemoryProfileLibRecord (\r | |
| 843 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 844 | MEMORY_PROFILE_ACTION_LIB_ALLOCATE_RESERVED_COPY_POOL,\r | |
| 845 | EfiRuntimeServicesData,\r | |
| 846 | NewBuffer,\r | |
| 847 | AllocationSize,\r | |
| 848 | NULL\r | |
| 849 | );\r | |
| 850 | }\r | |
| 851 | return NewBuffer;\r | |
| 0ac72713 | 852 | }\r |
| 853 | \r | |
| f6998888 | 854 | /**\r |
| 855 | Reallocates a buffer of a specified memory type.\r | |
| 856 | \r | |
| 857 | Allocates and zeros the number bytes specified by NewSize from memory of the type\r | |
| d1102dba LG |
858 | specified by PoolType. If OldBuffer is not NULL, then the smaller of OldSize and\r |
| 859 | NewSize bytes are copied from OldBuffer to the newly allocated buffer, and\r | |
| 860 | OldBuffer is freed. A pointer to the newly allocated buffer is returned.\r | |
| 861 | If NewSize is 0, then a valid buffer of 0 size is returned. If there is not\r | |
| f6998888 | 862 | enough memory remaining to satisfy the request, then NULL is returned.\r |
| d1102dba | 863 | \r |
| 56304569 | 864 | If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r |
| 865 | is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r | |
| f6998888 | 866 | \r |
| 867 | @param PoolType The type of pool to allocate.\r | |
| 868 | @param OldSize The size, in bytes, of OldBuffer.\r | |
| 869 | @param NewSize The size, in bytes, of the buffer to reallocate.\r | |
| d1102dba | 870 | @param OldBuffer The buffer to copy to the allocated buffer. This is an optional\r |
| f6998888 | 871 | parameter that may be NULL.\r |
| 872 | \r | |
| 873 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 874 | \r | |
| 875 | **/\r | |
| 876 | VOID *\r | |
| 877 | InternalReallocatePool (\r | |
| d1102dba | 878 | IN EFI_MEMORY_TYPE PoolType,\r |
| f6998888 | 879 | IN UINTN OldSize,\r |
| 880 | IN UINTN NewSize,\r | |
| 881 | IN VOID *OldBuffer OPTIONAL\r | |
| 882 | )\r | |
| 883 | {\r | |
| 884 | VOID *NewBuffer;\r | |
| 885 | \r | |
| ae55f4eb | 886 | NewBuffer = InternalAllocateZeroPool (PoolType, NewSize);\r |
| f6998888 | 887 | if (NewBuffer != NULL && OldBuffer != NULL) {\r |
| 888 | CopyMem (NewBuffer, OldBuffer, MIN (OldSize, NewSize));\r | |
| 889 | FreePool (OldBuffer);\r | |
| 890 | }\r | |
| 891 | return NewBuffer;\r | |
| 892 | }\r | |
| 893 | \r | |
| 894 | /**\r | |
| 895 | Reallocates a buffer of type EfiBootServicesData.\r | |
| 896 | \r | |
| 897 | Allocates and zeros the number bytes specified by NewSize from memory of type\r | |
| d1102dba LG |
898 | EfiBootServicesData. If OldBuffer is not NULL, then the smaller of OldSize and\r |
| 899 | NewSize bytes are copied from OldBuffer to the newly allocated buffer, and\r | |
| 900 | OldBuffer is freed. A pointer to the newly allocated buffer is returned.\r | |
| 901 | If NewSize is 0, then a valid buffer of 0 size is returned. If there is not\r | |
| f6998888 | 902 | enough memory remaining to satisfy the request, then NULL is returned.\r |
| d1102dba | 903 | \r |
| 56304569 | 904 | If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r |
| 905 | is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r | |
| f6998888 | 906 | \r |
| 907 | @param OldSize The size, in bytes, of OldBuffer.\r | |
| 908 | @param NewSize The size, in bytes, of the buffer to reallocate.\r | |
| d1102dba | 909 | @param OldBuffer The buffer to copy to the allocated buffer. This is an optional\r |
| f6998888 | 910 | parameter that may be NULL.\r |
| 911 | \r | |
| 912 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 913 | \r | |
| 914 | **/\r | |
| 915 | VOID *\r | |
| 916 | EFIAPI\r | |
| 917 | ReallocatePool (\r | |
| 918 | IN UINTN OldSize,\r | |
| 919 | IN UINTN NewSize,\r | |
| 920 | IN VOID *OldBuffer OPTIONAL\r | |
| 921 | )\r | |
| 922 | {\r | |
| e2735692 SZ |
923 | VOID *Buffer;\r |
| 924 | \r | |
| 925 | Buffer = InternalReallocatePool (EfiBootServicesData, OldSize, NewSize, OldBuffer);\r | |
| 926 | if (Buffer != NULL) {\r | |
| 927 | MemoryProfileLibRecord (\r | |
| 928 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 929 | MEMORY_PROFILE_ACTION_LIB_REALLOCATE_POOL,\r | |
| 930 | EfiBootServicesData,\r | |
| 931 | Buffer,\r | |
| 932 | NewSize,\r | |
| 933 | NULL\r | |
| 934 | );\r | |
| 935 | }\r | |
| 936 | return Buffer;\r | |
| f6998888 | 937 | }\r |
| 938 | \r | |
| 939 | /**\r | |
| 940 | Reallocates a buffer of type EfiRuntimeServicesData.\r | |
| 941 | \r | |
| 942 | Allocates and zeros the number bytes specified by NewSize from memory of type\r | |
| d1102dba LG |
943 | EfiRuntimeServicesData. If OldBuffer is not NULL, then the smaller of OldSize and\r |
| 944 | NewSize bytes are copied from OldBuffer to the newly allocated buffer, and\r | |
| 945 | OldBuffer is freed. A pointer to the newly allocated buffer is returned.\r | |
| 946 | If NewSize is 0, then a valid buffer of 0 size is returned. If there is not\r | |
| f6998888 | 947 | enough memory remaining to satisfy the request, then NULL is returned.\r |
| 948 | \r | |
| 56304569 | 949 | If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r |
| 950 | is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r | |
| f6998888 | 951 | \r |
| 952 | @param OldSize The size, in bytes, of OldBuffer.\r | |
| 953 | @param NewSize The size, in bytes, of the buffer to reallocate.\r | |
| d1102dba | 954 | @param OldBuffer The buffer to copy to the allocated buffer. This is an optional\r |
| f6998888 | 955 | parameter that may be NULL.\r |
| 956 | \r | |
| 957 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 958 | \r | |
| 959 | **/\r | |
| 960 | VOID *\r | |
| 961 | EFIAPI\r | |
| 962 | ReallocateRuntimePool (\r | |
| 963 | IN UINTN OldSize,\r | |
| 964 | IN UINTN NewSize,\r | |
| 965 | IN VOID *OldBuffer OPTIONAL\r | |
| 966 | )\r | |
| 967 | {\r | |
| e2735692 SZ |
968 | VOID *Buffer;\r |
| 969 | \r | |
| 970 | Buffer = InternalReallocatePool (EfiRuntimeServicesData, OldSize, NewSize, OldBuffer);\r | |
| 971 | if (Buffer != NULL) {\r | |
| 972 | MemoryProfileLibRecord (\r | |
| 973 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 974 | MEMORY_PROFILE_ACTION_LIB_REALLOCATE_RUNTIME_POOL,\r | |
| 975 | EfiRuntimeServicesData,\r | |
| 976 | Buffer,\r | |
| 977 | NewSize,\r | |
| 978 | NULL\r | |
| 979 | );\r | |
| 980 | }\r | |
| 981 | return Buffer;\r | |
| f6998888 | 982 | }\r |
| 983 | \r | |
| 984 | /**\r | |
| 985 | Reallocates a buffer of type EfiReservedMemoryType.\r | |
| 986 | \r | |
| 987 | Allocates and zeros the number bytes specified by NewSize from memory of type\r | |
| d1102dba LG |
988 | EfiReservedMemoryType. If OldBuffer is not NULL, then the smaller of OldSize and\r |
| 989 | NewSize bytes are copied from OldBuffer to the newly allocated buffer, and\r | |
| 990 | OldBuffer is freed. A pointer to the newly allocated buffer is returned.\r | |
| 991 | If NewSize is 0, then a valid buffer of 0 size is returned. If there is not\r | |
| f6998888 | 992 | enough memory remaining to satisfy the request, then NULL is returned.\r |
| 6a30c6d0 | 993 | \r |
| 56304569 | 994 | If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r |
| 995 | is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r | |
| f6998888 | 996 | \r |
| 997 | @param OldSize The size, in bytes, of OldBuffer.\r | |
| 998 | @param NewSize The size, in bytes, of the buffer to reallocate.\r | |
| d1102dba | 999 | @param OldBuffer The buffer to copy to the allocated buffer. This is an optional\r |
| f6998888 | 1000 | parameter that may be NULL.\r |
| 1001 | \r | |
| 1002 | @return A pointer to the allocated buffer or NULL if allocation fails.\r | |
| 1003 | \r | |
| 1004 | **/\r | |
| 1005 | VOID *\r | |
| 1006 | EFIAPI\r | |
| 1007 | ReallocateReservedPool (\r | |
| 1008 | IN UINTN OldSize,\r | |
| 1009 | IN UINTN NewSize,\r | |
| 1010 | IN VOID *OldBuffer OPTIONAL\r | |
| 1011 | )\r | |
| 1012 | {\r | |
| e2735692 SZ |
1013 | VOID *Buffer;\r |
| 1014 | \r | |
| 1015 | Buffer = InternalReallocatePool (EfiReservedMemoryType, OldSize, NewSize, OldBuffer);\r | |
| 1016 | if (Buffer != NULL) {\r | |
| 1017 | MemoryProfileLibRecord (\r | |
| 1018 | (PHYSICAL_ADDRESS) (UINTN) RETURN_ADDRESS(0),\r | |
| 1019 | MEMORY_PROFILE_ACTION_LIB_REALLOCATE_RESERVED_POOL,\r | |
| 1020 | EfiReservedMemoryType,\r | |
| 1021 | Buffer,\r | |
| 1022 | NewSize,\r | |
| 1023 | NULL\r | |
| 1024 | );\r | |
| 1025 | }\r | |
| 1026 | return Buffer;\r | |
| f6998888 | 1027 | }\r |
| 1028 | \r | |
| 0ac72713 | 1029 | /**\r |
| 1030 | Frees a buffer that was previously allocated with one of the pool allocation functions in the\r | |
| 1031 | Memory Allocation Library.\r | |
| 1032 | \r | |
| 1033 | Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the\r | |
| aa2f249e | 1034 | pool allocation services of the Memory Allocation Library. If it is not possible to free pool\r |
| 446b94b0 | 1035 | resources, then this function will perform no actions.\r |
| d1102dba | 1036 | \r |
| 0ac72713 | 1037 | If Buffer was not allocated with a pool allocation function in the Memory Allocation Library,\r |
| 1038 | then ASSERT().\r | |
| 1039 | \r | |
| 1040 | @param Buffer Pointer to the buffer to free.\r | |
| 1041 | \r | |
| 1042 | **/\r | |
| 1043 | VOID\r | |
| 1044 | EFIAPI\r | |
| 1045 | FreePool (\r | |
| 1046 | IN VOID *Buffer\r | |
| 1047 | )\r | |
| 1048 | {\r | |
| 1049 | EFI_STATUS Status;\r | |
| 1050 | \r | |
| 1051 | Status = CoreFreePool (Buffer);\r | |
| 1052 | ASSERT_EFI_ERROR (Status);\r | |
| 1053 | }\r | |
| 1054 | \r |