X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OldMdePkg%2FLibrary%2FPeiMemoryAllocationLib%2FMemoryAllocationLib.c;fp=OldMdePkg%2FLibrary%2FPeiMemoryAllocationLib%2FMemoryAllocationLib.c;h=0000000000000000000000000000000000000000;hp=ece64d3dd7ceae8eb57a43c007b0083186320abd;hb=808def96aa4589fba9c2d0ea55837754a3b7a4f7;hpb=9216450d1143056a50a5f916984a2d7faf590488 diff --git a/OldMdePkg/Library/PeiMemoryAllocationLib/MemoryAllocationLib.c b/OldMdePkg/Library/PeiMemoryAllocationLib/MemoryAllocationLib.c deleted file mode 100644 index ece64d3dd7..0000000000 --- a/OldMdePkg/Library/PeiMemoryAllocationLib/MemoryAllocationLib.c +++ /dev/null @@ -1,1074 +0,0 @@ -/** @file - Support routines for memory allocation routines for use with drivers. - - Copyright (c) 2006, Intel Corporation
- All rights reserved. This program and the accompanying materials - are licensed and made available under the terms and conditions of the BSD License - which accompanies this distribution. The full text of the license may be found at - http://opensource.org/licenses/bsd-license.php - - THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, - WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - - Module Name: MemoryAllocationLib.c - -**/ - -#include "MemoryAllocationLibInternals.h" - -/** - Allocates one or more 4KB pages of a certain memory type. - - Allocates the number of 4KB pages of a certain memory type and returns a pointer to the allocated - buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL is returned. - If there is not enough memory remaining to satisfy the request, then NULL is returned. - - @param MemoryType The type of memory to allocate. - @param Pages The number of 4 KB pages to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -InternalAllocatePages ( - IN EFI_MEMORY_TYPE MemoryType, - IN UINTN Pages - ) -{ - EFI_STATUS Status; - EFI_PHYSICAL_ADDRESS Memory; - EFI_PEI_SERVICES **PeiServices; - - if (Pages == 0) { - return NULL; - } - - PeiServices = GetPeiServicesTablePointer (); - Status = (*PeiServices)->AllocatePages (PeiServices, MemoryType, Pages, &Memory); - if (EFI_ERROR (Status)) { - Memory = 0; - } - return (VOID *) (UINTN) Memory; -} - -/** - Allocates one or more 4KB pages of type EfiBootServicesData. - - Allocates the number of 4KB pages of type EfiBootServicesData and returns a pointer to the - allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL - is returned. If there is not enough memory remaining to satisfy the request, then NULL is - returned. - - @param Pages The number of 4 KB pages to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocatePages ( - IN UINTN Pages - ) -{ - return InternalAllocatePages (EfiBootServicesData, Pages); -} - -/** - Allocates one or more 4KB pages of type EfiRuntimeServicesData. - - Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the - allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL - is returned. If there is not enough memory remaining to satisfy the request, then NULL is - returned. - - @param Pages The number of 4 KB pages to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateRuntimePages ( - IN UINTN Pages - ) -{ - return InternalAllocatePages (EfiRuntimeServicesData, Pages); -} - -/** - Allocates one or more 4KB pages of type EfiReservedMemoryType. - - Allocates the number of 4KB pages of type EfiReservedMemoryType and returns a pointer to the - allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL - is returned. If there is not enough memory remaining to satisfy the request, then NULL is - returned. - - @param Pages The number of 4 KB pages to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateReservedPages ( - IN UINTN Pages - ) -{ - return InternalAllocatePages (EfiReservedMemoryType, Pages); -} - -/** - Frees one or more 4KB pages that were previously allocated with one of the page allocation - functions in the Memory Allocation Library. - - Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer - must have been allocated on a previous call to the page allocation services of the Memory - Allocation Library. - If Buffer was not allocated with a page allocation function in the Memory Allocation Library, - then ASSERT(). - If Pages is zero, then ASSERT(). - - @param Buffer Pointer to the buffer of pages to free. - @param Pages The number of 4 KB pages to free. - -**/ -VOID -EFIAPI -FreePages ( - IN VOID *Buffer, - IN UINTN Pages - ) -{ - // - // PEI phase does not support to free pages, so leave it as NOP. - // -} - -/** - Allocates one or more 4KB pages of a certain memory type at a specified alignment. - - Allocates the number of 4KB pages specified by Pages of a certain memory type with an alignment - specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is returned. - If there is not enough memory at the specified alignment remaining to satisfy the request, then - NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param MemoryType The type of memory to allocate. - @param Pages The number of 4 KB pages to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -InternalAllocateAlignedPages ( - IN EFI_MEMORY_TYPE MemoryType, - IN UINTN Pages, - IN UINTN Alignment - ) -{ - VOID *Memory; - UINTN AlignmentMask; - - // - // Alignment must be a power of two or zero. - // - ASSERT ((Alignment & (Alignment - 1)) == 0); - - if (Pages == 0) { - return NULL; - } - // - // Make sure that Pages plus EFI_SIZE_TO_PAGES (Alignment) does not overflow. - // - ASSERT (Pages <= (MAX_ADDRESS - EFI_SIZE_TO_PAGES (Alignment))); - // - // We would rather waste some memory to save PEI code size. - // - Memory = InternalAllocatePages (MemoryType, Pages + EFI_SIZE_TO_PAGES (Alignment)); - if (Alignment == 0) { - AlignmentMask = Alignment; - } else { - AlignmentMask = Alignment - 1; - } - return (VOID *) (UINTN) (((UINTN) Memory + AlignmentMask) & ~AlignmentMask); -} - -/** - Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment. - - Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an - alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is - returned. If there is not enough memory at the specified alignment remaining to satisfy the - request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param Pages The number of 4 KB pages to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedPages ( - IN UINTN Pages, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedPages (EfiBootServicesData, Pages, Alignment); -} - -/** - Allocates one or more 4KB pages of type EfiRuntimeServicesData at a specified alignment. - - Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData with an - alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is - returned. If there is not enough memory at the specified alignment remaining to satisfy the - request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param Pages The number of 4 KB pages to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedRuntimePages ( - IN UINTN Pages, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedPages (EfiRuntimeServicesData, Pages, Alignment); -} - -/** - Allocates one or more 4KB pages of type EfiReservedMemoryType at a specified alignment. - - Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType with an - alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is - returned. If there is not enough memory at the specified alignment remaining to satisfy the - request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param Pages The number of 4 KB pages to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedReservedPages ( - IN UINTN Pages, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedPages (EfiReservedMemoryType, Pages, Alignment); -} - -/** - Frees one or more 4KB pages that were previously allocated with one of the aligned page - allocation functions in the Memory Allocation Library. - - Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer - must have been allocated on a previous call to the aligned page allocation services of the Memory - Allocation Library. - If Buffer was not allocated with an aligned page allocation function in the Memory Allocation - Library, then ASSERT(). - If Pages is zero, then ASSERT(). - - @param Buffer Pointer to the buffer of pages to free. - @param Pages The number of 4 KB pages to free. - -**/ -VOID -EFIAPI -FreeAlignedPages ( - IN VOID *Buffer, - IN UINTN Pages - ) -{ - // - // PEI phase does not support to free pages, so leave it as NOP. - // -} - -/** - Allocates a buffer of a certain pool type. - - Allocates the number bytes specified by AllocationSize of a certain pool type and returns a - pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is - returned. If there is not enough memory remaining to satisfy the request, then NULL is returned. - - @param MemoryType The type of memory to allocate. - @param AllocationSize The number of bytes to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -InternalAllocatePool ( - IN EFI_MEMORY_TYPE MemoryType, - IN UINTN AllocationSize - ) -{ - // - // If we need lots of small runtime/reserved memory type from PEI in the future, - // we can consider providing a more complex algorithm that allocates runtime pages and - // provide pool allocations from those pages. - // - return InternalAllocatePages (MemoryType, EFI_SIZE_TO_PAGES (AllocationSize)); -} - -/** - Allocates a buffer of type EfiBootServicesData. - - Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a - pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is - returned. If there is not enough memory remaining to satisfy the request, then NULL is returned. - - @param AllocationSize The number of bytes to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocatePool ( - IN UINTN AllocationSize - ) -{ - EFI_STATUS Status; - EFI_PEI_SERVICES **PeiServices; - VOID *Buffer; - - PeiServices = GetPeiServicesTablePointer (); - - Status = (*PeiServices)->AllocatePool (PeiServices, AllocationSize, &Buffer); - if (EFI_ERROR (Status)) { - Buffer = NULL; - } - return Buffer; -} - -/** - Allocates a buffer of type EfiRuntimeServicesData. - - Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData and returns - a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is - returned. If there is not enough memory remaining to satisfy the request, then NULL is returned. - - @param AllocationSize The number of bytes to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateRuntimePool ( - IN UINTN AllocationSize - ) -{ - return InternalAllocatePool (EfiRuntimeServicesData, AllocationSize); -} - -/** - Allocates a buffer of type EfieservedMemoryType. - - Allocates the number bytes specified by AllocationSize of type EfieservedMemoryType and returns - a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is - returned. If there is not enough memory remaining to satisfy the request, then NULL is returned. - - @param AllocationSize The number of bytes to allocate. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateReservedPool ( - IN UINTN AllocationSize - ) -{ - return InternalAllocatePool (EfiReservedMemoryType, AllocationSize); -} - -/** - Allocates and zeros a buffer of a certian pool type. - - Allocates the number bytes specified by AllocationSize of a certian pool type, clears the buffer - with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a valid - buffer of 0 size is returned. If there is not enough memory remaining to satisfy the request, - then NULL is returned. - - @param PoolType The type of memory to allocate. - @param AllocationSize The number of bytes to allocate and zero. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -InternalAllocateZeroPool ( - IN EFI_MEMORY_TYPE PoolType, - IN UINTN AllocationSize - ) -{ - VOID *Memory; - - Memory = InternalAllocatePool (PoolType, AllocationSize); - if (Memory != NULL) { - Memory = ZeroMem (Memory, AllocationSize); - } - return Memory; -} - -/** - Allocates and zeros a buffer of type EfiBootServicesData. - - Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the - buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a - valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the - request, then NULL is returned. - - @param AllocationSize The number of bytes to allocate and zero. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateZeroPool ( - IN UINTN AllocationSize - ) -{ - VOID *Memory; - - Memory = AllocatePool (AllocationSize); - if (Memory != NULL) { - Memory = ZeroMem (Memory, AllocationSize); - } - return Memory; -} - -/** - Allocates and zeros a buffer of type EfiRuntimeServicesData. - - Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, clears the - buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a - valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the - request, then NULL is returned. - - @param AllocationSize The number of bytes to allocate and zero. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateRuntimeZeroPool ( - IN UINTN AllocationSize - ) -{ - return InternalAllocateZeroPool (EfiRuntimeServicesData, AllocationSize); -} - -/** - Allocates and zeros a buffer of type EfiReservedMemoryType. - - Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, clears the - buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a - valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the - request, then NULL is returned. - - @param AllocationSize The number of bytes to allocate and zero. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateReservedZeroPool ( - IN UINTN AllocationSize - ) -{ - return InternalAllocateZeroPool (EfiReservedMemoryType, AllocationSize); -} - -/** - Copies a buffer to an allocated buffer of a certian pool type. - - Allocates the number bytes specified by AllocationSize of a certian pool type, copies - AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the - allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there - is not enough memory remaining to satisfy the request, then NULL is returned. - If Buffer is NULL, then ASSERT(). - If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). - - @param PoolType The type of pool to allocate. - @param AllocationSize The number of bytes to allocate and zero. - @param Buffer The buffer to copy to the allocated buffer. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -InternalAllocateCopyPool ( - IN EFI_MEMORY_TYPE PoolType, - IN UINTN AllocationSize, - IN CONST VOID *Buffer - ) -{ - VOID *Memory; - - ASSERT (Buffer != NULL); - ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1)); - - Memory = InternalAllocatePool (PoolType, AllocationSize); - if (Memory != NULL) { - Memory = CopyMem (Memory, Buffer, AllocationSize); - } - return Memory; -} - -/** - Copies a buffer to an allocated buffer of type EfiBootServicesData. - - Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, copies - AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the - allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there - is not enough memory remaining to satisfy the request, then NULL is returned. - If Buffer is NULL, then ASSERT(). - If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). - - @param AllocationSize The number of bytes to allocate and zero. - @param Buffer The buffer to copy to the allocated buffer. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer - ) -{ - VOID *Memory; - - ASSERT (Buffer != NULL); - ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1)); - - Memory = AllocatePool (AllocationSize); - if (Memory != NULL) { - Memory = CopyMem (Memory, Buffer, AllocationSize); - } - return Memory; -} - -/** - Copies a buffer to an allocated buffer of type EfiRuntimeServicesData. - - Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, copies - AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the - allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there - is not enough memory remaining to satisfy the request, then NULL is returned. - If Buffer is NULL, then ASSERT(). - If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). - - @param AllocationSize The number of bytes to allocate and zero. - @param Buffer The buffer to copy to the allocated buffer. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateRuntimeCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer - ) -{ - return InternalAllocateCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer); -} - -/** - Copies a buffer to an allocated buffer of type EfiReservedMemoryType. - - Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, copies - AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the - allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there - is not enough memory remaining to satisfy the request, then NULL is returned. - If Buffer is NULL, then ASSERT(). - If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT(). - - @param AllocationSize The number of bytes to allocate and zero. - @param Buffer The buffer to copy to the allocated buffer. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateReservedCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer - ) -{ - return InternalAllocateCopyPool (EfiReservedMemoryType, AllocationSize, Buffer); -} - -/** - Frees a buffer that was previously allocated with one of the pool allocation functions in the - Memory Allocation Library. - - Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the - pool allocation services of the Memory Allocation Library. - If Buffer was not allocated with a pool allocation function in the Memory Allocation Library, - then ASSERT(). - - @param Buffer Pointer to the buffer to free. - -**/ -VOID -EFIAPI -FreePool ( - IN VOID *Buffer - ) -{ - // - // PEI phase does not support to free pool, so leave it as NOP. - // -} - -/** - Allocates a buffer of a certain pool type at a specified alignment. - - Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment - specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, then a valid - buffer of 0 size is returned. If there is not enough memory at the specified alignment remaining - to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param PoolType The type of pool to allocate. - @param AllocationSize The number of bytes to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. If Alignment is zero, then byte alignment is used. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -InternalAllocateAlignedPool ( - IN EFI_MEMORY_TYPE PoolType, - IN UINTN AllocationSize, - IN UINTN Alignment - ) -{ - VOID *RawAddress; - UINTN AlignedAddress; - UINTN AlignmentMask; - - // - // Alignment must be a power of two or zero. - // - ASSERT ((Alignment & (Alignment - 1)) == 0); - - if (Alignment == 0) { - AlignmentMask = Alignment; - } else { - AlignmentMask = Alignment - 1; - } - // - // Make sure that AllocationSize plus AlignmentMask does not overflow. - // - ASSERT (AllocationSize <= (MAX_ADDRESS - AlignmentMask)); - - RawAddress = InternalAllocatePool (PoolType, AllocationSize + AlignmentMask); - - AlignedAddress = ((UINTN) RawAddress + AlignmentMask) & ~AlignmentMask; - - return (VOID *) AlignedAddress; -} - -/** - Allocates a buffer of type EfiBootServicesData at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfiBootServicesData with an - alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, - then a valid buffer of 0 size is returned. If there is not enough memory at the specified - alignment remaining to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ) -{ - VOID *RawAddress; - UINTN AlignedAddress; - UINTN AlignmentMask; - - // - // Alignment must be a power of two or zero. - // - ASSERT ((Alignment & (Alignment - 1)) == 0); - - if (Alignment == 0) { - AlignmentMask = Alignment; - } else { - AlignmentMask = Alignment - 1; - } - - // - // Make sure that AllocationSize plus AlignmentMask does not overflow. - // - ASSERT (AllocationSize <= (MAX_ADDRESS - AlignmentMask)); - - RawAddress = AllocatePool (AllocationSize + AlignmentMask); - - AlignedAddress = ((UINTN) RawAddress + AlignmentMask) & ~AlignmentMask; - - return (VOID *) AlignedAddress; -} - -/** - Allocates a buffer of type EfiRuntimeServicesData at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData with an - alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, - then a valid buffer of 0 size is returned. If there is not enough memory at the specified - alignment remaining to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedRuntimePool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedPool (EfiRuntimeServicesData, AllocationSize, Alignment); -} - -/** - Allocates a buffer of type EfieservedMemoryType at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfieservedMemoryType with an - alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, - then a valid buffer of 0 size is returned. If there is not enough memory at the specified - alignment remaining to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedReservedPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedPool (EfiReservedMemoryType, AllocationSize, Alignment); -} - -/** - Allocates and zeros a buffer of a certain pool type at a specified alignment. - - Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment - specified by Alignment, clears the buffer with zeros, and returns a pointer to the allocated - buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there is not - enough memory at the specified alignment remaining to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param PoolType The type of pool to allocate. - @param AllocationSize The number of bytes to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -InternalAllocateAlignedZeroPool ( - IN EFI_MEMORY_TYPE PoolType, - IN UINTN AllocationSize, - IN UINTN Alignment - ) -{ - VOID *Memory; - - Memory = InternalAllocateAlignedPool (PoolType, AllocationSize, Alignment); - if (Memory != NULL) { - Memory = ZeroMem (Memory, AllocationSize); - } - return Memory; -} - -/** - Allocates and zeros a buffer of type EfiBootServicesData at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfiBootServicesData with an - alignment specified by Alignment, clears the buffer with zeros, and returns a pointer to the - allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there - is not enough memory at the specified alignment remaining to satisfy the request, then NULL is - returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedZeroPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ) -{ - VOID *Memory; - - Memory = AllocateAlignedPool (AllocationSize, Alignment); - if (Memory != NULL) { - Memory = ZeroMem (Memory, AllocationSize); - } - return Memory; -} - -/** - Allocates and zeros a buffer of type EfiRuntimeServicesData at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData with an - alignment specified by Alignment, clears the buffer with zeros, and returns a pointer to the - allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there - is not enough memory at the specified alignment remaining to satisfy the request, then NULL is - returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedRuntimeZeroPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedZeroPool (EfiRuntimeServicesData, AllocationSize, Alignment); -} - -/** - Allocates and zeros a buffer of type EfieservedMemoryType at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfieservedMemoryType with an - alignment specified by Alignment, clears the buffer with zeros, and returns a pointer to the - allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there - is not enough memory at the specified alignment remaining to satisfy the request, then NULL is - returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedReservedZeroPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedZeroPool (EfiReservedMemoryType, AllocationSize, Alignment); -} - -/** - Copies a buffer to an allocated buffer of a certain pool type at a specified alignment. - - Allocates the number bytes specified by AllocationSize of a certain pool type with an alignment - specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, then a valid - buffer of 0 size is returned. If there is not enough memory at the specified alignment remaining - to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param PoolType The type of pool to allocate. - @param AllocationSize The number of bytes to allocate. - @param Buffer The buffer to copy to the allocated buffer. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -InternalAllocateAlignedCopyPool ( - IN EFI_MEMORY_TYPE PoolType, - IN UINTN AllocationSize, - IN CONST VOID *Buffer, - IN UINTN Alignment - ) -{ - VOID *Memory; - - ASSERT (Buffer != NULL); - ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1)); - - Memory = InternalAllocateAlignedPool (PoolType, AllocationSize, Alignment); - if (Memory != NULL) { - Memory = CopyMem (Memory, Buffer, AllocationSize); - } - return Memory; -} - -/** - Copies a buffer to an allocated buffer of type EfiBootServicesData at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfiBootServicesData type with an - alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, - then a valid buffer of 0 size is returned. If there is not enough memory at the specified - alignment remaining to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Buffer The buffer to copy to the allocated buffer. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer, - IN UINTN Alignment - ) -{ - VOID *Memory; - - ASSERT (Buffer != NULL); - ASSERT (AllocationSize <= (MAX_ADDRESS - (UINTN) Buffer + 1)); - - Memory = AllocateAlignedPool (AllocationSize, Alignment); - if (Memory != NULL) { - Memory = CopyMem (Memory, Buffer, AllocationSize); - } - return Memory; -} - -/** - Copies a buffer to an allocated buffer of type EfiRuntimeServicesData at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData type with an - alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, - then a valid buffer of 0 size is returned. If there is not enough memory at the specified - alignment remaining to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Buffer The buffer to copy to the allocated buffer. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedRuntimeCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedCopyPool (EfiRuntimeServicesData, AllocationSize, Buffer, Alignment); -} - -/** - Copies a buffer to an allocated buffer of type EfiReservedMemoryType at a specified alignment. - - Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType type with an - alignment specified by Alignment. The allocated buffer is returned. If AllocationSize is 0, - then a valid buffer of 0 size is returned. If there is not enough memory at the specified - alignment remaining to satisfy the request, then NULL is returned. - If Alignment is not a power of two and Alignment is not zero, then ASSERT(). - - @param AllocationSize The number of bytes to allocate. - @param Buffer The buffer to copy to the allocated buffer. - @param Alignment The requested alignment of the allocation. Must be a power of two. - If Alignment is zero, then byte alignment is used. - - @return A pointer to the allocated buffer or NULL if allocation fails. - -**/ -VOID * -EFIAPI -AllocateAlignedReservedCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer, - IN UINTN Alignment - ) -{ - return InternalAllocateAlignedCopyPool (EfiReservedMemoryType, AllocationSize, Buffer, Alignment); -} - -/** - Frees a buffer that was previously allocated with one of the aligned pool allocation functions - in the Memory Allocation Library. - - Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the - aligned pool allocation services of the Memory Allocation Library. - If Buffer was not allocated with an aligned pool allocation function in the Memory Allocation - Library, then ASSERT(). - - @param Buffer Pointer to the buffer to free. - -**/ -VOID -EFIAPI -FreeAlignedPool ( - IN VOID *Buffer - ) -{ - // - // PEI phase does not support to free pool, so leave it as NOP. - // -}