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git.proxmox.com Git - mirror_edk2.git/blob - MdePkg/Library/DxeMemoryLib/MemLibInternals.h
2 Declaration of internal functions for Base Memory Library.
4 Copyright (c) 2006, Intel Corporation<BR>
5 All rights reserved. This program and the accompanying materials
6 are licensed and made available under the terms and conditions of the BSD License
7 which accompanies this distribution. The full text of the license may be found at
8 http://opensource.org/licenses/bsd-license.php
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
13 The following BaseMemoryLib instances share the same version of this file:
24 #ifndef __MEM_LIB_INTERNALS__
25 #define __MEM_LIB_INTERNALS__
28 // The package level header files this module uses
32 // The protocols, PPI and GUID defintions for this module
35 // The Library classes this module consumes
37 #include <Library/BaseMemoryLib.h>
38 #include <Library/DebugLib.h>
39 #include <Library/UefiBootServicesTableLib.h>
40 #include <Library/BaseLib.h>
43 Copy Length bytes from Source to Destination.
45 @param Destination Target of copy
46 @param Source Place to copy from
47 @param Length Number of bytes to copy
55 OUT VOID
*DestinationBuffer
,
56 IN CONST VOID
*SourceBuffer
,
61 Set Buffer to Value for Size bytes.
63 @param Buffer Memory to set.
64 @param Size Number of bytes to set
65 @param Value Value of the set operation.
79 Fills a target buffer with a 16-bit value, and returns the target buffer.
81 @param Buffer Pointer to the target buffer to fill.
82 @param Length Number of bytes in Buffer to fill.
83 @param Value Value with which to fill Length bytes of Buffer.
97 Fills a target buffer with a 32-bit value, and returns the target buffer.
99 @param Buffer Pointer to the target buffer to fill.
100 @param Length Number of bytes in Buffer to fill.
101 @param Value Value with which to fill Length bytes of Buffer.
108 InternalMemSetMem32 (
115 Fills a target buffer with a 64-bit value, and returns the target buffer.
117 @param Buffer Pointer to the target buffer to fill.
118 @param Length Number of bytes in Buffer to fill.
119 @param Value Value with which to fill Length bytes of Buffer.
126 InternalMemSetMem64 (
133 Set Buffer to 0 for Size bytes.
135 @param Buffer Memory to set.
136 @param Size Number of bytes to set
149 Compares two memory buffers of a given length.
151 @param DestinationBuffer First memory buffer
152 @param SourceBuffer Second memory buffer
153 @param Length Length of DestinationBuffer and SourceBuffer memory
154 regions to compare. Must be non-zero.
156 @retval 0 if MemOne == MemTwo
161 InternalMemCompareMem (
162 IN CONST VOID
*DestinationBuffer
,
163 IN CONST VOID
*SourceBuffer
,
168 Scans a target buffer for an 8-bit value, and returns a pointer to the
169 matching 8-bit value in the target buffer.
171 @param Buffer Pointer to the target buffer to scan.
172 @param Length Number of bytes in Buffer to scan. Must be non-zero.
173 @param Value Value to search for in the target buffer.
175 @return Pointer to the first occurrence or NULL if not found.
180 InternalMemScanMem8 (
181 IN CONST VOID
*Buffer
,
187 Scans a target buffer for a 16-bit value, and returns a pointer to the
188 matching 16-bit value in the target buffer.
190 @param Buffer Pointer to the target buffer to scan.
191 @param Length Number of bytes in Buffer to scan. Must be non-zero.
192 @param Value Value to search for in the target buffer.
194 @return Pointer to the first occurrence or NULL if not found.
199 InternalMemScanMem16 (
200 IN CONST VOID
*Buffer
,
206 Scans a target buffer for a 32-bit value, and returns a pointer to the
207 matching 32-bit value in the target buffer.
209 @param Buffer Pointer to the target buffer to scan.
210 @param Length Number of bytes in Buffer to scan. Must be non-zero.
211 @param Value Value to search for in the target buffer.
213 @return Pointer to the first occurrence or NULL if not found.
218 InternalMemScanMem32 (
219 IN CONST VOID
*Buffer
,
225 Scans a target buffer for a 64-bit value, and returns a pointer to the
226 matching 64-bit value in the target buffer.
228 @param Buffer Pointer to the target buffer to scan.
229 @param Length Number of bytes in Buffer to scan. Must be non-zero.
230 @param Value Value to search for in the target buffer.
232 @return Pointer to the first occurrence or NULL if not found.
237 InternalMemScanMem64 (
238 IN CONST VOID
*Buffer
,