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+/** @file
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+
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+ Copyright (c) 2008-2009 Apple Inc. All rights reserved.<BR>
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+
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+ All rights reserved. This program and the accompanying materials
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+ are licensed and made available under the terms and conditions of the BSD License
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+ which accompanies this distribution. The full text of the license may be found at
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+ http://opensource.org/licenses/bsd-license.php
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+
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+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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+
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+**/
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+
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+#ifndef __UNCACHED_MEMORY_ALLOCATION_LIB_H__
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+#define __UNCACHED_MEMORY_ALLOCATION_LIB_H__
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+
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+/**
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+ Converts a cached or uncached address to a physical address suitable for use in SoC registers.
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+
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+ @param VirtualAddress The pointer to convert.
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+
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+ @return The physical address of the supplied virtual pointer.
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+
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+**/
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+EFI_PHYSICAL_ADDRESS
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+ConvertToPhysicalAddress (
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+ IN VOID *VirtualAddress
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+ );
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+
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+/**
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+ Converts a cached or uncached address to a cached address.
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+
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+ @param Address The pointer to convert.
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+
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+ @return The address of the cached memory location corresponding to the input address.
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+
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+**/
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+VOID *
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+ConvertToCachedAddress (
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+ IN VOID *Address
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+ );
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+
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+/**
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+ Converts a cached or uncached address to an uncached address.
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+
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+ @param Address The pointer to convert.
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+
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+ @return The address of the uncached memory location corresponding to the input address.
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+
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+**/
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+VOID *
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+ConvertToUncachedAddress (
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+ IN VOID *Address
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+ );
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+
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+/**
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+ Allocates one or more 4KB pages of type EfiBootServicesData.
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+
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+ Allocates the number of 4KB pages of type EfiBootServicesData and returns a pointer to the
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+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL
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+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is
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+ returned.
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+
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+ @param Pages The number of 4 KB pages to allocate.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocatePages (
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+ IN UINTN Pages
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+ );
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+
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+/**
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+ Allocates one or more 4KB pages of type EfiRuntimeServicesData.
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+
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+ Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the
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+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL
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+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is
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+ returned.
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+
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+ @param Pages The number of 4 KB pages to allocate.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateRuntimePages (
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+ IN UINTN Pages
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+ );
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+
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+/**
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+ Allocates one or more 4KB pages of type EfiReservedMemoryType.
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+
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+ Allocates the number of 4KB pages of type EfiReservedMemoryType and returns a pointer to the
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+ allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL
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+ is returned. If there is not enough memory remaining to satisfy the request, then NULL is
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+ returned.
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+
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+ @param Pages The number of 4 KB pages to allocate.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateReservedPages (
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+ IN UINTN Pages
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+ );
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+
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+/**
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+ Frees one or more 4KB pages that were previously allocated with one of the page allocation
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+ functions in the Memory Allocation Library.
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+
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+ Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer
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+ must have been allocated on a previous call to the page allocation services of the Memory
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+ Allocation Library.
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+ If Buffer was not allocated with a page allocation function in the Memory Allocation Library,
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+ then ASSERT().
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+ If Pages is zero, then ASSERT().
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+
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+ @param Buffer Pointer to the buffer of pages to free.
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+ @param Pages The number of 4 KB pages to free.
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+
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+**/
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+VOID
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+EFIAPI
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+UncachedFreePages (
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+ IN VOID *Buffer,
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+ IN UINTN Pages
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+ );
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+
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+/**
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+ Allocates one or more 4KB pages of type EfiBootServicesData at a specified alignment.
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+
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+ Allocates the number of 4KB pages specified by Pages of type EfiBootServicesData with an
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+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is
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+ returned. If there is not enough memory at the specified alignment remaining to satisfy the
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+ request, then NULL is returned.
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+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
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+
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+ @param Pages The number of 4 KB pages to allocate.
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+ @param Alignment The requested alignment of the allocation. Must be a power of two.
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+ If Alignment is zero, then byte alignment is used.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateAlignedPages (
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+ IN UINTN Pages,
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+ IN UINTN Alignment
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+ );
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+
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+/**
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+ Allocates one or more 4KB pages of type EfiRuntimeServicesData at a specified alignment.
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+
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+ Allocates the number of 4KB pages specified by Pages of type EfiRuntimeServicesData with an
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+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is
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+ returned. If there is not enough memory at the specified alignment remaining to satisfy the
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+ request, then NULL is returned.
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+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
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+
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+ @param Pages The number of 4 KB pages to allocate.
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+ @param Alignment The requested alignment of the allocation. Must be a power of two.
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+ If Alignment is zero, then byte alignment is used.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateAlignedRuntimePages (
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+ IN UINTN Pages,
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+ IN UINTN Alignment
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+ );
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+
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+/**
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+ Allocates one or more 4KB pages of type EfiReservedMemoryType at a specified alignment.
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+
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+ Allocates the number of 4KB pages specified by Pages of type EfiReservedMemoryType with an
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+ alignment specified by Alignment. The allocated buffer is returned. If Pages is 0, then NULL is
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+ returned. If there is not enough memory at the specified alignment remaining to satisfy the
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+ request, then NULL is returned.
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+ If Alignment is not a power of two and Alignment is not zero, then ASSERT().
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+
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+ @param Pages The number of 4 KB pages to allocate.
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+ @param Alignment The requested alignment of the allocation. Must be a power of two.
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+ If Alignment is zero, then byte alignment is used.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateAlignedReservedPages (
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+ IN UINTN Pages,
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+ IN UINTN Alignment
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+ );
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+
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+/**
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+ Frees one or more 4KB pages that were previously allocated with one of the aligned page
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+ allocation functions in the Memory Allocation Library.
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+
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+ Frees the number of 4KB pages specified by Pages from the buffer specified by Buffer. Buffer
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+ must have been allocated on a previous call to the aligned page allocation services of the Memory
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+ Allocation Library.
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+ If Buffer was not allocated with an aligned page allocation function in the Memory Allocation
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+ Library, then ASSERT().
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+ If Pages is zero, then ASSERT().
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+
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+ @param Buffer Pointer to the buffer of pages to free.
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+ @param Pages The number of 4 KB pages to free.
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+
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+**/
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+VOID
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+EFIAPI
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+UncachedFreeAlignedPages (
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+ IN VOID *Buffer,
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+ IN UINTN Pages
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+ );
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+
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+/**
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+ Allocates a buffer of type EfiBootServicesData.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData and returns a
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+ pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is
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+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.
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+
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+ @param AllocationSize The number of bytes to allocate.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocatePool (
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+ IN UINTN AllocationSize
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+ );
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+
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+/**
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+ Allocates a buffer of type EfiRuntimeServicesData.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData and returns
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+ a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is
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+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.
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+
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+ @param AllocationSize The number of bytes to allocate.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateRuntimePool (
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+ IN UINTN AllocationSize
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+ );
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+
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+/**
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+ Allocates a buffer of type EfieservedMemoryType.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfieservedMemoryType and returns
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+ a pointer to the allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is
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+ returned. If there is not enough memory remaining to satisfy the request, then NULL is returned.
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+
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+ @param AllocationSize The number of bytes to allocate.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateReservedPool (
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+ IN UINTN AllocationSize
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+ );
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+
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+/**
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+ Allocates and zeros a buffer of type EfiBootServicesData.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, clears the
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+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a
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+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the
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+ request, then NULL is returned.
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+
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+ @param AllocationSize The number of bytes to allocate and zero.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateZeroPool (
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+ IN UINTN AllocationSize
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+ );
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+
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+/**
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+ Allocates and zeros a buffer of type EfiRuntimeServicesData.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, clears the
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+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a
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+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the
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+ request, then NULL is returned.
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+
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+ @param AllocationSize The number of bytes to allocate and zero.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateRuntimeZeroPool (
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+ IN UINTN AllocationSize
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+ );
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+
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+/**
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+ Allocates and zeros a buffer of type EfiReservedMemoryType.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, clears the
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+ buffer with zeros, and returns a pointer to the allocated buffer. If AllocationSize is 0, then a
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+ valid buffer of 0 size is returned. If there is not enough memory remaining to satisfy the
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+ request, then NULL is returned.
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+
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+ @param AllocationSize The number of bytes to allocate and zero.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateReservedZeroPool (
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+ IN UINTN AllocationSize
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+ );
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+
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+/**
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+ Copies a buffer to an allocated buffer of type EfiBootServicesData.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfiBootServicesData, copies
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+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the
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+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
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+ is not enough memory remaining to satisfy the request, then NULL is returned.
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+ If Buffer is NULL, then ASSERT().
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+ If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
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+
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+ @param AllocationSize The number of bytes to allocate and zero.
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+ @param Buffer The buffer to copy to the allocated buffer.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateCopyPool (
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+ IN UINTN AllocationSize,
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+ IN CONST VOID *Buffer
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+ );
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+
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+/**
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+ Copies a buffer to an allocated buffer of type EfiRuntimeServicesData.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfiRuntimeServicesData, copies
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+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the
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+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
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+ is not enough memory remaining to satisfy the request, then NULL is returned.
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+ If Buffer is NULL, then ASSERT().
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+ If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
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+
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+ @param AllocationSize The number of bytes to allocate and zero.
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+ @param Buffer The buffer to copy to the allocated buffer.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateRuntimeCopyPool (
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+ IN UINTN AllocationSize,
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+ IN CONST VOID *Buffer
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+ );
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+
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+/**
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+ Copies a buffer to an allocated buffer of type EfiReservedMemoryType.
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+
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+ Allocates the number bytes specified by AllocationSize of type EfiReservedMemoryType, copies
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+ AllocationSize bytes from Buffer to the newly allocated buffer, and returns a pointer to the
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+ allocated buffer. If AllocationSize is 0, then a valid buffer of 0 size is returned. If there
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+ is not enough memory remaining to satisfy the request, then NULL is returned.
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+ If Buffer is NULL, then ASSERT().
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+ If AllocationSize is greater than (MAX_ADDRESS ? Buffer + 1), then ASSERT().
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+
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+ @param AllocationSize The number of bytes to allocate and zero.
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+ @param Buffer The buffer to copy to the allocated buffer.
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+
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+ @return A pointer to the allocated buffer or NULL if allocation fails.
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+
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+**/
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+VOID *
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+EFIAPI
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+UncachedAllocateReservedCopyPool (
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+ IN UINTN AllocationSize,
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+ IN CONST VOID *Buffer
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+ );
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+
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|
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+/**
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+ Frees a buffer that was previously allocated with one of the pool allocation functions in the
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|
+ Memory Allocation Library.
|
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|
+
|
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|
+ Frees the buffer specified by Buffer. Buffer must have been allocated on a previous call to the
|
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|
+ pool allocation services of the Memory Allocation Library.
|
|
|
+ If Buffer was not allocated with a pool allocation function in the Memory Allocation Library,
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|
+ then ASSERT().
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+
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+ @param Buffer Pointer to the buffer to free.
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+
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+**/
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+VOID
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+EFIAPI
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+UncachedFreePool (
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|
+ IN VOID *Buffer
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+ );
|
|
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+
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|
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+/**
|
|
|
+ Allocates a buffer of type EfiBootServicesData at a specified alignment.
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+
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|
|
+ 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__
|