/** @file\r
- Support routines for memory allocation routines for use with drivers.\r
+ Support routines for memory allocation routines \r
+ based on PeiService for PEI phase drivers.\r
\r
- Copyright (c) 2006, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials \r
+ Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials \r
are licensed and made available under the terms and conditions of the BSD License \r
which accompanies this distribution. The full text of the license may be found at \r
- http://opensource.org/licenses/bsd-license.php \r
+ http://opensource.org/licenses/bsd-license.php. \r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
\r
- Module Name: MemoryAllocationLib.c\r
-\r
**/\r
\r
\r
+#include <PiPei.h>\r
+\r
+\r
+#include <Library/MemoryAllocationLib.h>\r
+#include <Library/PeiServicesLib.h>\r
+#include <Library/BaseMemoryLib.h>\r
+#include <Library/DebugLib.h>\r
+#include <Library/HobLib.h>\r
\r
-/**\r
- Allocates the number of 4KB pages specified by Pages of a certain memory type.\r
\r
- @param MemoryType The type of memory to allocate.\r
- @param Pages The number of 4 KB pages to allocate.\r
+/**\r
+ Allocates one or more 4KB pages of a certain memory type.\r
\r
- @return A pointer to the allocated buffer. The buffer returned is aligned on a 4KB boundary.\r
- If Pages is 0, then NULL is returned.\r
+ Allocates the number of 4KB pages of a certain memory type and returns a pointer to the allocated\r
+ buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL is returned.\r
If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
\r
+ @param MemoryType The type of memory to allocate.\r
+ @param Pages The number of 4 KB pages to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
+\r
**/\r
VOID *\r
InternalAllocatePages (\r
{\r
EFI_STATUS Status;\r
EFI_PHYSICAL_ADDRESS Memory; \r
- EFI_PEI_SERVICES **PeiServices;\r
\r
if (Pages == 0) {\r
return NULL;\r
}\r
\r
- PeiServices = GetPeiServicesTablePointer ();\r
- Status = (*PeiServices)->AllocatePages (PeiServices, MemoryType, Pages, &Memory);\r
+ Status = PeiServicesAllocatePages (MemoryType, Pages, &Memory);\r
if (EFI_ERROR (Status)) {\r
- Memory = 0;\r
+ return NULL;\r
}\r
+\r
return (VOID *) (UINTN) Memory;\r
}\r
\r
/**\r
- Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData.\r
+ Allocates one or more 4KB pages of type EfiBootServicesData.\r
\r
- @param Pages The number of 4 KB pages to allocate.\r
+ Allocates the number of 4KB pages of type EfiBootServicesData and returns a pointer to the\r
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r
+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r
+ returned.\r
\r
- @return A pointer to the allocated buffer. The buffer returned is aligned on a 4KB boundary.\r
- If Pages is 0, then NULL is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param Pages The number of 4 KB pages to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData. \r
+ Allocates one or more 4KB pages of type EfiRuntimeServicesData.\r
\r
- @param Pages The number of 4 KB pages to allocate.\r
+ Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the\r
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r
+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r
+ returned.\r
\r
- @return A pointer to the allocated buffer. The buffer returned is aligned on a 4KB boundary.\r
- If Pages is 0, then NULL is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param Pages The number of 4 KB pages to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType. \r
+ Allocates one or more 4KB pages of type EfiReservedMemoryType.\r
\r
- @param Pages The number of 4 KB pages to allocate.\r
+ Allocates the number of 4KB pages of type EfiReservedMemoryType and returns a pointer to the\r
+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL\r
+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is\r
+ returned.\r
\r
- @return A pointer to the allocated buffer. The buffer returned is aligned on a 4KB boundary.\r
- If Pages is 0, then NULL is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param Pages The number of 4 KB pages to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Frees one or more 4KB pages that were previously allocated with \r
- one of the page allocation functions in the Memory Allocation Library.\r
+ Frees one or more 4KB pages that were previously allocated with one of the page allocation\r
+ functions in the Memory Allocation Library.\r
\r
- @param Buffer Pointer to the buffer of pages to free.\r
- @param Pages The number of 4 KB pages to free.\r
+ Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer\r
+ must have been allocated on a previous call to the page allocation services of the Memory\r
+ Allocation Library. If it is not possible to free allocated pages, then this function will\r
+ perform no actions.\r
+ \r
+ If Buffer was not allocated with a page allocation function in the Memory Allocation Library,\r
+ then ASSERT().\r
+ If Pages is zero, then ASSERT().\r
+ \r
+ @param Buffer The pointer to the buffer of pages to free.\r
+ @param Pages The number of 4 KB pages to free.\r
\r
**/\r
VOID\r
IN UINTN Pages\r
)\r
{\r
- //\r
- // PEI phase does not support to free pages, so leave it as NOP.\r
- //\r
+ EFI_STATUS Status;\r
+\r
+ ASSERT (Pages != 0);\r
+ Status = PeiServicesFreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, Pages);\r
+ ASSERT_EFI_ERROR (Status);\r
}\r
\r
/**\r
- Allocates the number of 4KB pages specified by Pages of a certian memory type \r
- with an alignment specified by Alignment. \r
+ Allocates one or more 4KB pages of a certain memory type at a specified alignment.\r
\r
- @param MemoryType The type of memory to allocate.\r
- @param Pages The number of 4 KB pages to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
+ Allocates the number of 4KB pages specified by Pages of a certain memory type with an alignment\r
+ specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is returned.\r
+ If there is not enough memory at the specified alignment remaining to satisfy the request, then\r
+ NULL is returned.\r
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
+ If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r
\r
- @return The allocated buffer is returned. If Pages is 0, then NULL is returned.\r
- If there is not enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.\r
+ @param MemoryType The type of memory to allocate.\r
+ @param Pages The number of 4 KB pages to allocate.\r
+ @param Alignment The requested alignment of the allocation. \r
+ Must be a power of two.\r
+ If Alignment is zero, then byte alignment is used.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
IN UINTN Alignment\r
)\r
{\r
- VOID *Memory;\r
- UINTN AlignmentMask;\r
+ EFI_STATUS Status;\r
+ EFI_PHYSICAL_ADDRESS Memory;\r
+ UINTN AlignedMemory;\r
+ UINTN AlignmentMask;\r
+ UINTN UnalignedPages;\r
+ UINTN RealPages;\r
\r
//\r
// Alignment must be a power of two or zero.\r
if (Pages == 0) {\r
return NULL;\r
}\r
- //\r
- // Make sure that Pages plus EFI_SIZE_TO_PAGES (Alignment) does not overflow.\r
- //\r
- ASSERT (Pages <= (MAX_ADDRESS - EFI_SIZE_TO_PAGES (Alignment)));\r
- //\r
- // We would rather waste some memory to save PEI code size.\r
- //\r
- Memory = InternalAllocatePages (MemoryType, Pages + EFI_SIZE_TO_PAGES (Alignment));\r
- if (Alignment == 0) {\r
- AlignmentMask = Alignment;\r
+ if (Alignment > EFI_PAGE_SIZE) {\r
+ //\r
+ // Calculate the total number of pages since alignment is larger than page size.\r
+ //\r
+ AlignmentMask = Alignment - 1;\r
+ RealPages = Pages + EFI_SIZE_TO_PAGES (Alignment);\r
+ //\r
+ // Make sure that Pages plus EFI_SIZE_TO_PAGES (Alignment) does not overflow.\r
+ //\r
+ ASSERT (RealPages > Pages);\r
+\r
+ Status = PeiServicesAllocatePages (MemoryType, RealPages, &Memory);\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
+ AlignedMemory = ((UINTN) Memory + AlignmentMask) & ~AlignmentMask;\r
+ UnalignedPages = EFI_SIZE_TO_PAGES (AlignedMemory - (UINTN) Memory);\r
+ if (UnalignedPages > 0) {\r
+ //\r
+ // Free first unaligned page(s).\r
+ //\r
+ Status = PeiServicesFreePages (Memory, UnalignedPages);\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
+ Memory = AlignedMemory + EFI_PAGES_TO_SIZE (Pages);\r
+ UnalignedPages = RealPages - Pages - UnalignedPages;\r
+ if (UnalignedPages > 0) {\r
+ //\r
+ // Free last unaligned page(s).\r
+ //\r
+ Status = PeiServicesFreePages (Memory, UnalignedPages);\r
+ ASSERT_EFI_ERROR (Status);\r
+ }\r
} else {\r
- AlignmentMask = Alignment - 1; \r
+ //\r
+ // Do not over-allocate pages in this case.\r
+ //\r
+ Status = PeiServicesAllocatePages (MemoryType, Pages, &Memory);\r
+ if (EFI_ERROR (Status)) {\r
+ return NULL;\r
+ }\r
+ AlignedMemory = (UINTN) Memory;\r
}\r
- return (VOID *) (UINTN) (((UINTN) Memory + AlignmentMask) & ~AlignmentMask);\r
+ return (VOID *) AlignedMemory;\r
}\r
\r
/**\r
- Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData\r
- with an alignment specified by Alignment. \r
+ Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment.\r
+\r
+ Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an\r
+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r
+ returned. If there is not enough memory at the specified alignment remaining to satisfy the\r
+ request, then NULL is returned.\r
+ \r
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
+ If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r
\r
- @param Pages The number of 4 KB pages to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
+ @param Pages The number of 4 KB pages to allocate.\r
+ @param Alignment The requested alignment of the allocation. \r
+ Must be a power of two.\r
+ If Alignment is zero, then byte alignment is used.\r
\r
- @return The allocated buffer is returned. If Pages is 0, then NULL is returned.\r
- If there is not enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData\r
- with an alignment specified by Alignment. \r
+ Allocates one or more 4KB pages of type EfiRuntimeServicesData at a specified alignment.\r
\r
- @param Pages The number of 4 KB pages to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
+ Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData with an\r
+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r
+ returned. If there is not enough memory at the specified alignment remaining to satisfy the\r
+ request, then NULL is returned.\r
+ \r
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
+ If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r
+\r
+ @param Pages The number of 4 KB pages to allocate.\r
+ @param Alignment The requested alignment of the allocation. \r
+ Must be a power of two.\r
+ If Alignment is zero, then byte alignment is used.\r
\r
- @return The allocated buffer is returned. If Pages is 0, then NULL is returned.\r
- If there is not enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
/**\r
Allocates one or more 4KB pages of type EfiReservedMemoryType at a specified alignment.\r
\r
- @param Pages The number of 4 KB pages to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
+ Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType with an\r
+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is\r
+ returned. If there is not enough memory at the specified alignment remaining to satisfy the\r
+ request, then NULL is returned.\r
+ \r
+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().\r
+ If Pages plus EFI_SIZE_TO_PAGES (Alignment) overflows, then ASSERT().\r
\r
- @return The allocated buffer is returned. If Pages is 0, then NULL is returned.\r
- If there is not enough memory at the specified alignment remaining to satisfy the request, then NULL is returned.\r
+ @param Pages The number of 4 KB pages to allocate.\r
+ @param Alignment The requested alignment of the allocation. \r
+ Must be a power of two.\r
+ If Alignment is zero, then byte alignment is used.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Frees one or more 4KB pages that were previously allocated with \r
- one of the aligned page allocation functions in the Memory Allocation Library.\r
+ Frees one or more 4KB pages that were previously allocated with one of the aligned page\r
+ allocation functions in the Memory Allocation Library.\r
\r
- @param Buffer Pointer to the buffer of pages to free.\r
- @param Pages The number of 4 KB pages to free.\r
+ Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer\r
+ must have been allocated on a previous call to the aligned page allocation services of the Memory\r
+ Allocation Library. If it is not possible to free allocated pages, then this function will \r
+ perform no actions.\r
+ \r
+ If Buffer was not allocated with an aligned page allocation function in the Memory Allocation\r
+ Library, then ASSERT().\r
+ If Pages is zero, then ASSERT().\r
+ \r
+ @param Buffer The pointer to the buffer of pages to free.\r
+ @param Pages The number of 4 KB pages to free.\r
\r
**/\r
VOID\r
IN UINTN Pages\r
)\r
{\r
- //\r
- // PEI phase does not support to free pages, so leave it as NOP.\r
- //\r
+ EFI_STATUS Status;\r
+\r
+ ASSERT (Pages != 0);\r
+ Status = PeiServicesFreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) Buffer, Pages);\r
+ ASSERT_EFI_ERROR (Status);\r
}\r
\r
/**\r
- Allocates a buffer of a certain memory type.\r
+ Allocates a buffer of a certain pool type.\r
\r
- @param MemoryType The type of memory to allocate.\r
- @param AllocationSize The number of bytes to allocate.\r
+ Allocates the number bytes specified by AllocationSize of a certain pool type and returns a\r
+ pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r
+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param MemoryType The type of memory to allocate.\r
+ @param AllocationSize The number of bytes to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
/**\r
Allocates a buffer of type EfiBootServicesData.\r
\r
- @param AllocationSize The number of bytes to allocate.\r
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a\r
+ pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r
+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param AllocationSize The number of bytes to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
)\r
{\r
EFI_STATUS Status;\r
- EFI_PEI_SERVICES **PeiServices;\r
VOID *Buffer;\r
\r
- PeiServices = GetPeiServicesTablePointer ();\r
-\r
- Status = (*PeiServices)->AllocatePool (PeiServices, AllocationSize, &Buffer);\r
+ Status = PeiServicesAllocatePool (AllocationSize, &Buffer);\r
if (EFI_ERROR (Status)) {\r
Buffer = NULL;\r
}\r
/**\r
Allocates a buffer of type EfiRuntimeServicesData.\r
\r
- @param AllocationSize The number of bytes to allocate.\r
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData and returns\r
+ a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r
+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param AllocationSize The number of bytes to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
/**\r
Allocates a buffer of type EfiReservedMemoryType.\r
\r
- @param AllocationSize The number of bytes to allocate.\r
+ Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType and returns\r
+ a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is\r
+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param AllocationSize The number of bytes to allocate.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Allocates and zeros a buffer of a certian pool type.\r
+ Allocates and zeros a buffer of a certain pool type.\r
\r
- @param PoolType The type of memory to allocate.\r
- @param AllocationSize The number of bytes to allocate and zero.\r
+ Allocates the number bytes specified by AllocationSize of a certain pool type, clears the buffer\r
+ with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a valid\r
+ buffer of 0 size is returned. If there is not enough memory remaining to satisfy the request,\r
+ then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param PoolType The type of memory to allocate.\r
+ @param AllocationSize The number of bytes to allocate and zero.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
/**\r
Allocates and zeros a buffer of type EfiBootServicesData.\r
\r
- @param AllocationSize The number of bytes to allocate and zero.\r
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the\r
+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r
+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r
+ request, then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param AllocationSize The number of bytes to allocate and zero.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
/**\r
Allocates and zeros a buffer of type EfiRuntimeServicesData.\r
\r
- @param AllocationSize The number of bytes to allocate and zero.\r
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, clears the\r
+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r
+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r
+ request, then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param AllocationSize The number of bytes to allocate and zero.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
/**\r
Allocates and zeros a buffer of type EfiReservedMemoryType.\r
\r
- @param AllocationSize The number of bytes to allocate and zero.\r
+ Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, clears the\r
+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a\r
+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the\r
+ request, then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param AllocationSize The number of bytes to allocate and zero.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Copies a buffer to an allocated buffer of a certian memory type. \r
+ Copies a buffer to an allocated buffer of a certain pool type.\r
\r
- @param MemoryType The type of pool to allocate.\r
- @param AllocationSize The number of bytes to allocate and zero.\r
- @param Buffer The buffer to copy to the allocated buffer.\r
+ Allocates the number bytes specified by AllocationSize of a certain pool type, copies\r
+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r
+ is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ If Buffer is NULL, then ASSERT().\r
+ If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param PoolType The type of pool to allocate.\r
+ @param AllocationSize The number of bytes to allocate and zero.\r
+ @param Buffer The buffer to copy to the allocated buffer.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
{\r
VOID *Memory;\r
\r
+ ASSERT (Buffer != NULL);\r
+ ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1));\r
+\r
Memory = InternalAllocatePool (PoolType, AllocationSize);\r
if (Memory != NULL) {\r
Memory = CopyMem (Memory, Buffer, AllocationSize);\r
} \r
\r
/**\r
- Copies a buffer to an allocated buffer of type EfiBootServicesData. \r
+ Copies a buffer to an allocated buffer of type EfiBootServicesData.\r
\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Buffer The buffer to copy to the allocated buffer.\r
+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, copies\r
+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r
+ is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ \r
+ If Buffer is NULL, then ASSERT().\r
+ If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param AllocationSize The number of bytes to allocate and zero.\r
+ @param Buffer The buffer to copy to the allocated buffer.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
{\r
VOID *Memory;\r
\r
+ ASSERT (Buffer != NULL);\r
+ ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1));\r
+\r
Memory = AllocatePool (AllocationSize);\r
if (Memory != NULL) {\r
Memory = CopyMem (Memory, Buffer, AllocationSize);\r
}\r
\r
/**\r
- Copies a buffer to an allocated buffer of type EfiRuntimeServicesData. \r
+ Copies a buffer to an allocated buffer of type EfiRuntimeServicesData.\r
+\r
+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, copies\r
+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r
+ is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ \r
+ If Buffer is NULL, then ASSERT().\r
+ If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Buffer The buffer to copy to the allocated buffer.\r
+ @param AllocationSize The number of bytes to allocate and zero.\r
+ @param Buffer The buffer to copy to the allocated buffer.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Copies a buffer to an allocated buffer of type EfiReservedMemoryType. \r
+ Copies a buffer to an allocated buffer of type EfiReservedMemoryType.\r
\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Buffer The buffer to copy to the allocated buffer.\r
+ Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, copies\r
+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the\r
+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there\r
+ is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ \r
+ If Buffer is NULL, then ASSERT().\r
+ If AllocationSize is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @param AllocationSize The number of bytes to allocate and zero.\r
+ @param Buffer The buffer to copy to the allocated buffer.\r
+\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
}\r
\r
/**\r
- Copies a buffer to an allocated buffer of type EfiReservedMemoryType at a specified alignment.\r
-\r
- @param Buffer Pointer to the buffer to free.\r
-\r
-**/\r
-VOID\r
-EFIAPI\r
-FreePool (\r
- IN VOID *Buffer\r
- )\r
-{\r
- //\r
- // PEI phase does not support to free pool, so leave it as NOP.\r
- //\r
-}\r
-\r
-/**\r
- Allocates a buffer of a certain pool type at a specified alignment.\r
-\r
- @param PoolType The type of pool to allocate.\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two. If Alignment is zero, then byte alignment is used.\r
-\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
-\r
-**/\r
-VOID *\r
-InternalAllocateAlignedPool (\r
- IN EFI_MEMORY_TYPE PoolType,\r
- IN UINTN AllocationSize,\r
- IN UINTN Alignment\r
- )\r
-{\r
- VOID *RawAddress;\r
- UINTN AlignedAddress;\r
- UINTN AlignmentMask;\r
+ Reallocates a buffer of a specified memory type.\r
\r
- //\r
- // Alignment must be a power of two or zero.\r
- //\r
- ASSERT ((Alignment & (Alignment - 1)) == 0);\r
+ Allocates and zeros the number bytes specified by NewSize from memory of the type\r
+ specified by PoolType. If OldBuffer is not NULL, then the smaller of OldSize and \r
+ NewSize bytes are copied from OldBuffer to the newly allocated buffer, and \r
+ OldBuffer is freed. A pointer to the newly allocated buffer is returned. \r
+ If NewSize is 0, then a valid buffer of 0 size is returned. If there is not \r
+ enough memory remaining to satisfy the request, then NULL is returned.\r
\r
- if (Alignment == 0) {\r
- AlignmentMask = Alignment;\r
- } else {\r
- AlignmentMask = Alignment - 1;\r
- }\r
- //\r
- // Make sure that AllocationSize plus AlignmentMask does not overflow.\r
- //\r
- ASSERT (AllocationSize <= (MAX_ADDRESS - AlignmentMask));\r
+ If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r
+ is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r
\r
- RawAddress = InternalAllocatePool (PoolType, AllocationSize + AlignmentMask);\r
- \r
- AlignedAddress = ((UINTN) RawAddress + AlignmentMask) & ~AlignmentMask;\r
- \r
- return (VOID *) AlignedAddress;\r
-}\r
-\r
-/**\r
- Allocates a buffer of type EfiBootServicesData at a specified alignment.\r
+ @param PoolType The type of pool to allocate.\r
+ @param OldSize The size, in bytes, of OldBuffer.\r
+ @param NewSize The size, in bytes, of the buffer to reallocate.\r
+ @param OldBuffer The buffer to copy to the allocated buffer. This is an \r
+ optional parameter that may be NULL.\r
\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two. If Alignment is zero, then byte alignment is used.\r
-\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
-EFIAPI\r
-AllocateAlignedPool (\r
- IN UINTN AllocationSize,\r
- IN UINTN Alignment\r
+InternalReallocatePool (\r
+ IN EFI_MEMORY_TYPE PoolType, \r
+ IN UINTN OldSize,\r
+ IN UINTN NewSize,\r
+ IN VOID *OldBuffer OPTIONAL\r
)\r
{\r
- VOID *RawAddress;\r
- UINTN AlignedAddress;\r
- UINTN AlignmentMask;\r
-\r
- //\r
- // Alignment must be a power of two or zero.\r
- //\r
- ASSERT ((Alignment & (Alignment - 1)) == 0);\r
+ VOID *NewBuffer;\r
\r
- if (Alignment == 0) {\r
- AlignmentMask = Alignment;\r
- } else {\r
- AlignmentMask = Alignment - 1;\r
+ NewBuffer = InternalAllocateZeroPool (PoolType, NewSize);\r
+ if (NewBuffer != NULL && OldBuffer != NULL) {\r
+ CopyMem (NewBuffer, OldBuffer, MIN (OldSize, NewSize));\r
+ FreePool (OldBuffer);\r
}\r
-\r
- //\r
- // Make sure that AllocationSize plus AlignmentMask does not overflow.\r
- //\r
- ASSERT (AllocationSize <= (MAX_ADDRESS - AlignmentMask));\r
-\r
- RawAddress = AllocatePool (AllocationSize + AlignmentMask);\r
- \r
- AlignedAddress = ((UINTN) RawAddress + AlignmentMask) & ~AlignmentMask;\r
- \r
- return (VOID *) AlignedAddress;\r
+ return NewBuffer;\r
}\r
\r
/**\r
- Allocates a buffer of type EfiRuntimeServicesData at a specified alignment.\r
-\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
-\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ Reallocates a buffer of type EfiBootServicesData.\r
\r
-**/\r
-VOID *\r
-EFIAPI\r
-AllocateAlignedRuntimePool (\r
- IN UINTN AllocationSize,\r
- IN UINTN Alignment\r
- )\r
-{\r
- return InternalAllocateAlignedPool (EfiRuntimeServicesData, AllocationSize, Alignment);\r
-}\r
+ Allocates and zeros the number bytes specified by NewSize from memory of type\r
+ EfiBootServicesData. If OldBuffer is not NULL, then the smaller of OldSize and \r
+ NewSize bytes are copied from OldBuffer to the newly allocated buffer, and \r
+ OldBuffer is freed. A pointer to the newly allocated buffer is returned. \r
+ If NewSize is 0, then a valid buffer of 0 size is returned. If there is not \r
+ enough memory remaining to satisfy the request, then NULL is returned.\r
+ \r
+ If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r
+ is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r
\r
-/**\r
- Allocates a buffer of type EfiReservedMemoryType at a specified alignment.\r
+ @param OldSize The size, in bytes, of OldBuffer.\r
+ @param NewSize The size, in bytes, of the buffer to reallocate.\r
+ @param OldBuffer The buffer to copy to the allocated buffer. This is an optional \r
+ parameter that may be NULL.\r
\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
-\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
EFIAPI\r
-AllocateAlignedReservedPool (\r
- IN UINTN AllocationSize,\r
- IN UINTN Alignment\r
+ReallocatePool (\r
+ IN UINTN OldSize,\r
+ IN UINTN NewSize,\r
+ IN VOID *OldBuffer OPTIONAL\r
)\r
{\r
- return InternalAllocateAlignedPool (EfiReservedMemoryType, AllocationSize, Alignment);\r
+ return InternalReallocatePool (EfiBootServicesData, OldSize, NewSize, OldBuffer);\r
}\r
\r
/**\r
- Allocates and zeros a buffer of type EfiBootServicesData at a specified alignment.\r
-\r
- @param PoolType The type of pool to allocate.\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
-\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
-\r
-**/\r
-VOID *\r
-InternalAllocateAlignedZeroPool (\r
- IN EFI_MEMORY_TYPE PoolType,\r
- IN UINTN AllocationSize,\r
- IN UINTN Alignment\r
- )\r
-{\r
- VOID *Memory;\r
+ Reallocates a buffer of type EfiRuntimeServicesData.\r
\r
- Memory = InternalAllocateAlignedPool (PoolType, AllocationSize, Alignment);\r
- if (Memory != NULL) {\r
- Memory = ZeroMem (Memory, AllocationSize);\r
- }\r
- return Memory;\r
-}\r
+ Allocates and zeros the number bytes specified by NewSize from memory of type\r
+ EfiRuntimeServicesData. If OldBuffer is not NULL, then the smaller of OldSize and \r
+ NewSize bytes are copied from OldBuffer to the newly allocated buffer, and \r
+ OldBuffer is freed. A pointer to the newly allocated buffer is returned. \r
+ If NewSize is 0, then a valid buffer of 0 size is returned. If there is not \r
+ enough memory remaining to satisfy the request, then NULL is returned.\r
\r
-/**\r
- Allocates and zeros a buffer of type EfiBootServicesData at a specified alignment.\r
+ If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r
+ is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r
\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
+ @param OldSize The size, in bytes, of OldBuffer.\r
+ @param NewSize The size, in bytes, of the buffer to reallocate.\r
+ @param OldBuffer The buffer to copy to the allocated buffer. This is an optional \r
+ parameter that may be NULL.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
EFIAPI\r
-AllocateAlignedZeroPool (\r
- IN UINTN AllocationSize,\r
- IN UINTN Alignment\r
+ReallocateRuntimePool (\r
+ IN UINTN OldSize,\r
+ IN UINTN NewSize,\r
+ IN VOID *OldBuffer OPTIONAL\r
)\r
{\r
- VOID *Memory;\r
-\r
- Memory = AllocateAlignedPool (AllocationSize, Alignment);\r
- if (Memory != NULL) {\r
- Memory = ZeroMem (Memory, AllocationSize);\r
- }\r
- return Memory;\r
+ return InternalReallocatePool (EfiRuntimeServicesData, OldSize, NewSize, OldBuffer);\r
}\r
\r
/**\r
- Allocates and zeros a buffer of type EfiRuntimeServicesData at a specified alignment.\r
+ Reallocates a buffer of type EfiReservedMemoryType.\r
\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
+ Allocates and zeros the number bytes specified by NewSize from memory of type\r
+ EfiReservedMemoryType. If OldBuffer is not NULL, then the smaller of OldSize and \r
+ NewSize bytes are copied from OldBuffer to the newly allocated buffer, and \r
+ OldBuffer is freed. A pointer to the newly allocated buffer is returned. \r
+ If NewSize is 0, then a valid buffer of 0 size is returned. If there is not \r
+ enough memory remaining to satisfy the request, then NULL is returned.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ If the allocation of the new buffer is successful and the smaller of NewSize and OldSize\r
+ is greater than (MAX_ADDRESS - OldBuffer + 1), then ASSERT().\r
\r
-**/\r
-VOID *\r
-EFIAPI\r
-AllocateAlignedRuntimeZeroPool (\r
- IN UINTN AllocationSize,\r
- IN UINTN Alignment\r
- )\r
-{\r
- return InternalAllocateAlignedZeroPool (EfiRuntimeServicesData, AllocationSize, Alignment);\r
-}\r
-\r
-/**\r
- Allocates and zeros a buffer of type EfiReservedMemoryType at a specified alignment.\r
-\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
+ @param OldSize The size, in bytes, of OldBuffer.\r
+ @param NewSize The size, in bytes, of the buffer to reallocate.\r
+ @param OldBuffer The buffer to copy to the allocated buffer. This is an \r
+ optional parameter that may be NULL.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
+ @return A pointer to the allocated buffer or NULL if allocation fails.\r
\r
**/\r
VOID *\r
EFIAPI\r
-AllocateAlignedReservedZeroPool (\r
- IN UINTN AllocationSize,\r
- IN UINTN Alignment\r
- )\r
-{\r
- return InternalAllocateAlignedZeroPool (EfiReservedMemoryType, AllocationSize, Alignment);\r
-}\r
-\r
-/**\r
- Copies a buffer to an allocated buffer of type EfiBootServicesData at a specified alignment.\r
-\r
- @param PoolType The type of pool to allocate.\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Buffer The buffer to copy to the allocated buffer.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
-\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
-\r
-**/\r
-VOID *\r
-InternalAllocateAlignedCopyPool (\r
- IN EFI_MEMORY_TYPE PoolType,\r
- IN UINTN AllocationSize,\r
- IN CONST VOID *Buffer,\r
- IN UINTN Alignment\r
+ReallocateReservedPool (\r
+ IN UINTN OldSize,\r
+ IN UINTN NewSize,\r
+ IN VOID *OldBuffer OPTIONAL\r
)\r
{\r
- VOID *Memory;\r
- \r
- Memory = InternalAllocateAlignedPool (PoolType, AllocationSize, Alignment);\r
- if (Memory != NULL) {\r
- Memory = CopyMem (Memory, Buffer, AllocationSize);\r
- }\r
- return Memory;\r
+ return InternalReallocatePool (EfiReservedMemoryType, OldSize, NewSize, OldBuffer);\r
}\r
\r
/**\r
- Copies a buffer to an allocated buffer of type EfiBootServicesData at a specified alignment.\r
-\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Buffer The buffer to copy to the allocated buffer.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
+ Frees a buffer that was previously allocated with one of the pool allocation functions in the\r
+ Memory Allocation Library.\r
\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-AllocateAlignedCopyPool (\r
- IN UINTN AllocationSize,\r
- IN CONST VOID *Buffer,\r
- IN UINTN Alignment\r
- )\r
-{\r
- VOID *Memory;\r
+ Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the\r
+ pool allocation services of the Memory Allocation Library. If it is not possible to free pool\r
+ resources, then this function will perform no actions.\r
\r
- Memory = AllocateAlignedPool (AllocationSize, Alignment);\r
- if (Memory != NULL) {\r
- Memory = CopyMem (Memory, Buffer, AllocationSize);\r
- }\r
- return Memory;\r
-}\r
-\r
-/**\r
- Copies a buffer to an allocated buffer of type EfiRuntimeServicesData at a specified alignment.\r
+ If Buffer was not allocated with a pool allocation function in the Memory Allocation Library,\r
+ then ASSERT().\r
\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Buffer The buffer to copy to the allocated buffer.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
-\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-AllocateAlignedRuntimeCopyPool (\r
- IN UINTN AllocationSize,\r
- IN CONST VOID *Buffer,\r
- IN UINTN Alignment\r
- )\r
-{\r
- return InternalAllocateAlignedCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer, Alignment);\r
-}\r
-\r
-/**\r
- Copies a buffer to an allocated buffer of type EfiReservedMemoryType at a specified alignment.\r
-\r
- @param AllocationSize The number of bytes to allocate.\r
- @param Buffer The buffer to copy to the allocated buffer.\r
- @param Alignment The requested alignment of the allocation. Must be a power of two.\r
- If Alignment is zero, then byte alignment is used.\r
-\r
- @return A pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned.\r
- If there is not enough memory remaining to satisfy the request, then NULL is returned.\r
-\r
-**/\r
-VOID *\r
-EFIAPI\r
-AllocateAlignedReservedCopyPool (\r
- IN UINTN AllocationSize,\r
- IN CONST VOID *Buffer,\r
- IN UINTN Alignment\r
- )\r
-{\r
- return InternalAllocateAlignedCopyPool (EfiReservedMemoryType, AllocationSize, Buffer, Alignment);\r
-}\r
-\r
-/**\r
- Frees a buffer that was previously allocated with one of the aligned pool allocation functions \r
- in the Memory Allocation Library.\r
-\r
- @param Buffer Pointer to the buffer to free.\r
+ @param Buffer The pointer to the buffer to free.\r
\r
**/\r
VOID\r
EFIAPI\r
-FreeAlignedPool (\r
+FreePool (\r
IN VOID *Buffer\r
)\r
{\r
// PEI phase does not support to free pool, so leave it as NOP.\r
//\r
}\r
+\r
+\r
projects / mirror_edk2.git / blobdiff