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git.proxmox.com Git - mirror_edk2.git/blob - MdePkg/Library/PeiMemoryLib/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__
30 #include <Library/BaseMemoryLib.h>
31 #include <Library/PeiServicesTablePointerLib.h>
32 #include <Library/DebugLib.h>
33 #include <Library/BaseLib.h>
36 Copy Length bytes from Source to Destination.
38 @param Destination Target of copy
39 @param Source Place to copy from
40 @param Length Number of bytes to copy
48 OUT VOID
*DestinationBuffer
,
49 IN CONST VOID
*SourceBuffer
,
54 Set Buffer to Value for Size bytes.
56 @param Buffer Memory to set.
57 @param Size Number of bytes to set
58 @param Value Value of the set operation.
72 Fills a target buffer with a 16-bit value, and returns the target buffer.
74 @param Buffer Pointer to the target buffer to fill.
75 @param Length Number of bytes in Buffer to fill.
76 @param Value Value with which to fill Length bytes of Buffer.
90 Fills a target buffer with a 32-bit value, and returns the target buffer.
92 @param Buffer Pointer to the target buffer to fill.
93 @param Length Number of bytes in Buffer to fill.
94 @param Value Value with which to fill Length bytes of Buffer.
101 InternalMemSetMem32 (
108 Fills a target buffer with a 64-bit value, and returns the target buffer.
110 @param Buffer Pointer to the target buffer to fill.
111 @param Length Number of bytes in Buffer to fill.
112 @param Value Value with which to fill Length bytes of Buffer.
119 InternalMemSetMem64 (
126 Set Buffer to 0 for Size bytes.
128 @param Buffer Memory to set.
129 @param Size Number of bytes to set
142 Compares two memory buffers of a given length.
144 @param DestinationBuffer First memory buffer
145 @param SourceBuffer Second memory buffer
146 @param Length Length of DestinationBuffer and SourceBuffer memory
147 regions to compare. Must be non-zero.
149 @retval 0 if MemOne == MemTwo
154 InternalMemCompareMem (
155 IN CONST VOID
*DestinationBuffer
,
156 IN CONST VOID
*SourceBuffer
,
161 Scans a target buffer for an 8-bit value, and returns a pointer to the
162 matching 8-bit value in the target buffer.
164 @param Buffer Pointer to the target buffer to scan.
165 @param Length Number of bytes in Buffer to scan. Must be non-zero.
166 @param Value Value to search for in the target buffer.
168 @return Pointer to the first occurrence or NULL if not found.
173 InternalMemScanMem8 (
174 IN CONST VOID
*Buffer
,
180 Scans a target buffer for a 16-bit value, and returns a pointer to the
181 matching 16-bit value in the target buffer.
183 @param Buffer Pointer to the target buffer to scan.
184 @param Length Number of bytes in Buffer to scan. Must be non-zero.
185 @param Value Value to search for in the target buffer.
187 @return Pointer to the first occurrence or NULL if not found.
192 InternalMemScanMem16 (
193 IN CONST VOID
*Buffer
,
199 Scans a target buffer for a 32-bit value, and returns a pointer to the
200 matching 32-bit value in the target buffer.
202 @param Buffer Pointer to the target buffer to scan.
203 @param Length Number of bytes in Buffer to scan. Must be non-zero.
204 @param Value Value to search for in the target buffer.
206 @return Pointer to the first occurrence or NULL if not found.
211 InternalMemScanMem32 (
212 IN CONST VOID
*Buffer
,
218 Scans a target buffer for a 64-bit value, and returns a pointer to the
219 matching 64-bit value in the target buffer.
221 @param Buffer Pointer to the target buffer to scan.
222 @param Length Number of bytes in Buffer to scan. Must be non-zero.
223 @param Value Value to search for in the target buffer.
225 @return Pointer to the first occurrence or NULL if not found.
230 InternalMemScanMem64 (
231 IN CONST VOID
*Buffer
,