X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=ArmPkg%2FInclude%2FLibrary%2FUncachedMemoryAllocationLib.h;h=4161fc7c6245457ca51503173eed53acc6212cde;hb=1e57a46299244793beb27e74be171d1540606999;hp=ac77fbc6997f71f59a675aaed4b1b62bfa058c33;hpb=5767f22fca7c337cdc113e14b411c1fd0ea7bd53;p=mirror_edk2.git diff --git a/ArmPkg/Include/Library/UncachedMemoryAllocationLib.h b/ArmPkg/Include/Library/UncachedMemoryAllocationLib.h index ac77fbc699..4161fc7c62 100644 --- a/ArmPkg/Include/Library/UncachedMemoryAllocationLib.h +++ b/ArmPkg/Include/Library/UncachedMemoryAllocationLib.h @@ -1,665 +1,665 @@ -/** @file - - Copyright (c) 2008 - 2009, Apple Inc. 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. - -**/ - -#ifndef __UNCACHED_MEMORY_ALLOCATION_LIB_H__ -#define __UNCACHED_MEMORY_ALLOCATION_LIB_H__ - -/** - Converts a cached or uncached address to a physical address suitable for use in SoC registers. - - @param VirtualAddress The pointer to convert. - - @return The physical address of the supplied virtual pointer. - -**/ -EFI_PHYSICAL_ADDRESS -ConvertToPhysicalAddress ( - IN VOID *VirtualAddress - ); - -/** - Converts a cached or uncached address to a cached address. - - @param Address The pointer to convert. - - @return The address of the cached memory location corresponding to the input address. - -**/ -VOID * -ConvertToCachedAddress ( - IN VOID *Address - ); - -/** - Converts a cached or uncached address to an uncached address. - - @param Address The pointer to convert. - - @return The address of the uncached memory location corresponding to the input address. - -**/ -VOID * -ConvertToUncachedAddress ( - IN VOID *Address - ); - -/** - 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 -UncachedAllocatePages ( - IN UINTN 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 -UncachedAllocateRuntimePages ( - IN UINTN 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 -UncachedAllocateReservedPages ( - IN UINTN 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 -UncachedFreePages ( - IN VOID *Buffer, - IN UINTN Pages - ); - -/** - 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 -UncachedAllocateAlignedPages ( - IN UINTN Pages, - IN UINTN 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 -UncachedAllocateAlignedRuntimePages ( - IN UINTN Pages, - IN UINTN 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 -UncachedAllocateAlignedReservedPages ( - IN UINTN Pages, - IN UINTN 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 -UncachedFreeAlignedPages ( - IN VOID *Buffer, - IN UINTN Pages - ); - -/** - 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 -UncachedAllocatePool ( - IN UINTN AllocationSize - ); - -/** - 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 -UncachedAllocateRuntimePool ( - IN UINTN 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 -UncachedAllocateReservedPool ( - IN UINTN AllocationSize - ); - -/** - 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 -UncachedAllocateZeroPool ( - IN UINTN AllocationSize - ); - -/** - 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 -UncachedAllocateRuntimeZeroPool ( - IN UINTN 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 -UncachedAllocateReservedZeroPool ( - IN UINTN AllocationSize - ); - -/** - 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 -UncachedAllocateCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer - ); - -/** - 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 -UncachedAllocateRuntimeCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *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 -UncachedAllocateReservedCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *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 -UncachedFreePool ( - IN VOID *Buffer - ); - -/** - 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 -UncachedAllocateAlignedPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ); - -/** - 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 -UncachedAllocateAlignedRuntimePool ( - IN UINTN AllocationSize, - IN UINTN 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 -UncachedAllocateAlignedReservedPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ); - -/** - 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 -UncachedAllocateAlignedZeroPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ); - -/** - 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 -UncachedAllocateAlignedRuntimeZeroPool ( - IN UINTN AllocationSize, - IN UINTN 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 -UncachedAllocateAlignedReservedZeroPool ( - IN UINTN AllocationSize, - IN UINTN Alignment - ); - -/** - 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 -UncachedAllocateAlignedCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer, - IN UINTN Alignment - ); - -/** - 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 -UncachedAllocateAlignedRuntimeCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer, - IN UINTN 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 -UncachedAllocateAlignedReservedCopyPool ( - IN UINTN AllocationSize, - IN CONST VOID *Buffer, - IN UINTN 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 -UncachedFreeAlignedPool ( - IN VOID *Buffer - ); - -VOID -EFIAPI -UncachedSafeFreePool ( - IN VOID *Buffer - ); - -#endif // __UNCACHED_MEMORY_ALLOCATION_LIB_H__ +/** @file + + Copyright (c) 2008 - 2009, Apple Inc. 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. + +**/ + +#ifndef __UNCACHED_MEMORY_ALLOCATION_LIB_H__ +#define __UNCACHED_MEMORY_ALLOCATION_LIB_H__ + +/** + Converts a cached or uncached address to a physical address suitable for use in SoC registers. + + @param VirtualAddress The pointer to convert. + + @return The physical address of the supplied virtual pointer. + +**/ +EFI_PHYSICAL_ADDRESS +ConvertToPhysicalAddress ( + IN VOID *VirtualAddress + ); + +/** + Converts a cached or uncached address to a cached address. + + @param Address The pointer to convert. + + @return The address of the cached memory location corresponding to the input address. + +**/ +VOID * +ConvertToCachedAddress ( + IN VOID *Address + ); + +/** + Converts a cached or uncached address to an uncached address. + + @param Address The pointer to convert. + + @return The address of the uncached memory location corresponding to the input address. + +**/ +VOID * +ConvertToUncachedAddress ( + IN VOID *Address + ); + +/** + 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 +UncachedAllocatePages ( + IN UINTN 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 +UncachedAllocateRuntimePages ( + IN UINTN 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 +UncachedAllocateReservedPages ( + IN UINTN 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 +UncachedFreePages ( + IN VOID *Buffer, + IN UINTN Pages + ); + +/** + 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 +UncachedAllocateAlignedPages ( + IN UINTN Pages, + IN UINTN 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 +UncachedAllocateAlignedRuntimePages ( + IN UINTN Pages, + IN UINTN 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 +UncachedAllocateAlignedReservedPages ( + IN UINTN Pages, + IN UINTN 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 +UncachedFreeAlignedPages ( + IN VOID *Buffer, + IN UINTN Pages + ); + +/** + 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 +UncachedAllocatePool ( + IN UINTN AllocationSize + ); + +/** + 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 +UncachedAllocateRuntimePool ( + IN UINTN 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 +UncachedAllocateReservedPool ( + IN UINTN AllocationSize + ); + +/** + 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 +UncachedAllocateZeroPool ( + IN UINTN AllocationSize + ); + +/** + 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 +UncachedAllocateRuntimeZeroPool ( + IN UINTN 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 +UncachedAllocateReservedZeroPool ( + IN UINTN AllocationSize + ); + +/** + 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 +UncachedAllocateCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *Buffer + ); + +/** + 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 +UncachedAllocateRuntimeCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *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 +UncachedAllocateReservedCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *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 +UncachedFreePool ( + IN VOID *Buffer + ); + +/** + 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 +UncachedAllocateAlignedPool ( + IN UINTN AllocationSize, + IN UINTN Alignment + ); + +/** + 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 +UncachedAllocateAlignedRuntimePool ( + IN UINTN AllocationSize, + IN UINTN 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 +UncachedAllocateAlignedReservedPool ( + IN UINTN AllocationSize, + IN UINTN Alignment + ); + +/** + 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 +UncachedAllocateAlignedZeroPool ( + IN UINTN AllocationSize, + IN UINTN Alignment + ); + +/** + 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 +UncachedAllocateAlignedRuntimeZeroPool ( + IN UINTN AllocationSize, + IN UINTN 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 +UncachedAllocateAlignedReservedZeroPool ( + IN UINTN AllocationSize, + IN UINTN Alignment + ); + +/** + 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 +UncachedAllocateAlignedCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *Buffer, + IN UINTN Alignment + ); + +/** + 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 +UncachedAllocateAlignedRuntimeCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *Buffer, + IN UINTN 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 +UncachedAllocateAlignedReservedCopyPool ( + IN UINTN AllocationSize, + IN CONST VOID *Buffer, + IN UINTN 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 +UncachedFreeAlignedPool ( + IN VOID *Buffer + ); + +VOID +EFIAPI +UncachedSafeFreePool ( + IN VOID *Buffer + ); + +#endif // __UNCACHED_MEMORY_ALLOCATION_LIB_H__