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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__
31 #include <Library/BaseMemoryLib.h>
32 #include <Library/DebugLib.h>
33 #include <Library/UefiBootServicesTableLib.h>
34 #include <Library/BaseLib.h>
37 Copy Length bytes from Source to Destination.
39 @param Destination Target of copy
40 @param Source Place to copy from
41 @param Length Number of bytes to copy
49 OUT VOID
*DestinationBuffer
,
50 IN CONST VOID
*SourceBuffer
,
55 Set Buffer to Value for Size bytes.
57 @param Buffer Memory to set.
58 @param Size Number of bytes to set
59 @param Value Value of the set operation.
73 Fills a target buffer with a 16-bit value, and returns the target buffer.
75 @param Buffer Pointer to the target buffer to fill.
76 @param Length Number of bytes in Buffer to fill.
77 @param Value Value with which to fill Length bytes of Buffer.
91 Fills a target buffer with a 32-bit value, and returns the target buffer.
93 @param Buffer Pointer to the target buffer to fill.
94 @param Length Number of bytes in Buffer to fill.
95 @param Value Value with which to fill Length bytes of Buffer.
102 InternalMemSetMem32 (
109 Fills a target buffer with a 64-bit value, and returns the target buffer.
111 @param Buffer Pointer to the target buffer to fill.
112 @param Length Number of bytes in Buffer to fill.
113 @param Value Value with which to fill Length bytes of Buffer.
120 InternalMemSetMem64 (
127 Set Buffer to 0 for Size bytes.
129 @param Buffer Memory to set.
130 @param Size Number of bytes to set
143 Compares two memory buffers of a given length.
145 @param DestinationBuffer First memory buffer
146 @param SourceBuffer Second memory buffer
147 @param Length Length of DestinationBuffer and SourceBuffer memory
148 regions to compare. Must be non-zero.
150 @retval 0 if MemOne == MemTwo
155 InternalMemCompareMem (
156 IN CONST VOID
*DestinationBuffer
,
157 IN CONST VOID
*SourceBuffer
,
162 Scans a target buffer for an 8-bit value, and returns a pointer to the
163 matching 8-bit value in the target buffer.
165 @param Buffer Pointer to the target buffer to scan.
166 @param Length Number of bytes in Buffer to scan. Must be non-zero.
167 @param Value Value to search for in the target buffer.
169 @return Pointer to the first occurrence or NULL if not found.
174 InternalMemScanMem8 (
175 IN CONST VOID
*Buffer
,
181 Scans a target buffer for a 16-bit value, and returns a pointer to the
182 matching 16-bit value in the target buffer.
184 @param Buffer Pointer to the target buffer to scan.
185 @param Length Number of bytes in Buffer to scan. Must be non-zero.
186 @param Value Value to search for in the target buffer.
188 @return Pointer to the first occurrence or NULL if not found.
193 InternalMemScanMem16 (
194 IN CONST VOID
*Buffer
,
200 Scans a target buffer for a 32-bit value, and returns a pointer to the
201 matching 32-bit value in the target buffer.
203 @param Buffer Pointer to the target buffer to scan.
204 @param Length Number of bytes in Buffer to scan. Must be non-zero.
205 @param Value Value to search for in the target buffer.
207 @return Pointer to the first occurrence or NULL if not found.
212 InternalMemScanMem32 (
213 IN CONST VOID
*Buffer
,
219 Scans a target buffer for a 64-bit value, and returns a pointer to the
220 matching 64-bit value in the target buffer.
222 @param Buffer Pointer to the target buffer to scan.
223 @param Length Number of bytes in Buffer to scan. Must be non-zero.
224 @param Value Value to search for in the target buffer.
226 @return Pointer to the first occurrence or NULL if not found.
231 InternalMemScanMem64 (
232 IN CONST VOID
*Buffer
,