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| author | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-25 23:39:39 +0000 |
|---|---|---|
| committer | mdkinney <mdkinney@6f19259b-4bc3-4df7-8a09-765794883524> | 2010-02-25 23:39:39 +0000 |
| commit | 713b77813bb80de2d1b8515f0f360ebb008a5284 (patch) | |
| tree | 7c8a933544672bc010b8b8b4e1e352dd900e0ff5 /MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationServices.h | |
| parent | b05ad4a765bc04ca3a3a7e80c39183b5538b7eec (diff) | |
| download | edk2-platforms-713b77813bb80de2d1b8515f0f360ebb008a5284.tar.xz | |
Add MemoryAllocationLib for PI SMM Core
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10093 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationServices.h')
| -rw-r--r-- | MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationServices.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationServices.h b/MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationServices.h new file mode 100644 index 0000000000..7d7e190c51 --- /dev/null +++ b/MdeModulePkg/Library/PiSmmCoreMemoryAllocationLib/PiSmmCoreMemoryAllocationServices.h @@ -0,0 +1,100 @@ +/** @file
+ Contains function prototypes for Memory Services in the SMM Core.
+
+ This header file borrows the PiSmmCore Memory Allocation services as the primitive
+ for memory allocation.
+
+ Copyright (c) 2008 - 2010, Intel Corporation<BR>
+ 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 _PI_SMM_CORE_MEMORY_ALLOCATION_SERVICES_H_
+#define _PI_SMM_CORE_MEMORY_ALLOCATION_SERVICES_H_
+
+/**
+ Allocates pages from the memory map.
+
+ @param Type The type of allocation to perform
+ @param MemoryType The type of memory to turn the allocated pages
+ into
+ @param NumberOfPages The number of pages to allocate
+ @param Memory A pointer to receive the base allocated memory
+ address
+
+ @retval EFI_INVALID_PARAMETER Parameters violate checking rules defined in spec.
+ @retval EFI_NOT_FOUND Could not allocate pages match the requirement.
+ @retval EFI_OUT_OF_RESOURCES No enough pages to allocate.
+ @retval EFI_SUCCESS Pages successfully allocated.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmAllocatePages (
+ IN EFI_ALLOCATE_TYPE Type,
+ IN EFI_MEMORY_TYPE MemoryType,
+ IN UINTN NumberOfPages,
+ OUT EFI_PHYSICAL_ADDRESS *Memory
+ );
+
+/**
+ Frees previous allocated pages.
+
+ @param Memory Base address of memory being freed
+ @param NumberOfPages The number of pages to free
+
+ @retval EFI_NOT_FOUND Could not find the entry that covers the range
+ @retval EFI_INVALID_PARAMETER Address not aligned
+ @return EFI_SUCCESS Pages successfully freed.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmFreePages (
+ IN EFI_PHYSICAL_ADDRESS Memory,
+ IN UINTN NumberOfPages
+ );
+
+/**
+ Allocate pool of a particular type.
+
+ @param PoolType Type of pool to allocate
+ @param Size The amount of pool to allocate
+ @param Buffer The address to return a pointer to the allocated
+ pool
+
+ @retval EFI_INVALID_PARAMETER PoolType not valid
+ @retval EFI_OUT_OF_RESOURCES Size exceeds max pool size or allocation failed.
+ @retval EFI_SUCCESS Pool successfully allocated.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmAllocatePool (
+ IN EFI_MEMORY_TYPE PoolType,
+ IN UINTN Size,
+ OUT VOID **Buffer
+ );
+
+/**
+ Frees pool.
+
+ @param Buffer The allocated pool entry to free
+
+ @retval EFI_INVALID_PARAMETER Buffer is not a valid value.
+ @retval EFI_SUCCESS Pool successfully freed.
+
+**/
+EFI_STATUS
+EFIAPI
+SmmFreePool (
+ IN VOID *Buffer
+ );
+
+#endif
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