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7b3b4b29 1/** @file\r
2 Declaration of internal functions for Base Memory Library.\r
3\r
2bfb6009 4 The following BaseMemoryLib instances contain the same copy of this file:\r
7b3b4b29 5 BaseMemoryLib\r
6 BaseMemoryLibMmx\r
7 BaseMemoryLibSse2\r
8 BaseMemoryLibRepStr\r
2bfb6009
LG
9 BaseMemoryLibOptDxe\r
10 BaseMemoryLibOptPei\r
7b3b4b29 11 PeiMemoryLib\r
12 DxeMemoryLib\r
13\r
14 Copyright (c) 2006, Intel Corporation<BR>\r
15 All rights reserved. This program and the accompanying materials\r
16 are licensed and made available under the terms and conditions of the BSD License\r
17 which accompanies this distribution. The full text of the license may be found at\r
18 http://opensource.org/licenses/bsd-license.php\r
19\r
20 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
21 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
22\r
23**/\r
24\r
25#ifndef __MEM_LIB_INTERNALS__\r
26#define __MEM_LIB_INTERNALS__\r
27\r
28#include <Base.h>\r
29#include <Library/BaseMemoryLib.h>\r
30#include <Library/BaseLib.h>\r
31#include <Library/DebugLib.h>\r
32\r
33\r
34/**\r
35 Copy Length bytes from Source to Destination.\r
36\r
42eedea9 37 @param DestinationBuffer Target of copy\r
38 @param SourceBuffer Place to copy from\r
7b3b4b29 39 @param Length Number of bytes to copy\r
40\r
41 @return Destination\r
42\r
43**/\r
44VOID *\r
45EFIAPI\r
46InternalMemCopyMem (\r
47 OUT VOID *DestinationBuffer,\r
48 IN CONST VOID *SourceBuffer,\r
49 IN UINTN Length\r
50 );\r
51\r
52/**\r
53 Set Buffer to Value for Size bytes.\r
54\r
55 @param Buffer Memory to set.\r
38bbd3d9 56 @param Length Number of bytes to set\r
7b3b4b29 57 @param Value Value of the set operation.\r
58\r
59 @return Buffer\r
60\r
61**/\r
62VOID *\r
63EFIAPI\r
64InternalMemSetMem (\r
65 OUT VOID *Buffer,\r
66 IN UINTN Length,\r
67 IN UINT8 Value\r
68 );\r
69\r
70/**\r
71 Fills a target buffer with a 16-bit value, and returns the target buffer.\r
72\r
73 @param Buffer Pointer to the target buffer to fill.\r
74 @param Length Number of bytes in Buffer to fill.\r
75 @param Value Value with which to fill Length bytes of Buffer.\r
76\r
77 @return Buffer\r
78\r
79**/\r
80VOID *\r
81EFIAPI\r
82InternalMemSetMem16 (\r
83 OUT VOID *Buffer,\r
84 IN UINTN Length,\r
85 IN UINT16 Value\r
86 );\r
87\r
88/**\r
89 Fills a target buffer with a 32-bit value, and returns the target buffer.\r
90\r
91 @param Buffer Pointer to the target buffer to fill.\r
92 @param Length Number of bytes in Buffer to fill.\r
93 @param Value Value with which to fill Length bytes of Buffer.\r
94\r
95 @return Buffer\r
96\r
97**/\r
98VOID *\r
99EFIAPI\r
100InternalMemSetMem32 (\r
101 OUT VOID *Buffer,\r
102 IN UINTN Length,\r
103 IN UINT32 Value\r
104 );\r
105\r
106/**\r
107 Fills a target buffer with a 64-bit value, and returns the target buffer.\r
108\r
109 @param Buffer Pointer to the target buffer to fill.\r
110 @param Length Number of bytes in Buffer to fill.\r
111 @param Value Value with which to fill Length bytes of Buffer.\r
112\r
113 @return Buffer\r
114\r
115**/\r
116VOID *\r
117EFIAPI\r
118InternalMemSetMem64 (\r
119 OUT VOID *Buffer,\r
120 IN UINTN Length,\r
121 IN UINT64 Value\r
122 );\r
123\r
124/**\r
125 Set Buffer to 0 for Size bytes.\r
126\r
127 @param Buffer Memory to set.\r
38bbd3d9 128 @param Length Number of bytes to set\r
7b3b4b29 129\r
130 @return Buffer\r
131\r
132**/\r
133VOID *\r
134EFIAPI\r
135InternalMemZeroMem (\r
136 OUT VOID *Buffer,\r
137 IN UINTN Length\r
138 );\r
139\r
140/**\r
141 Compares two memory buffers of a given length.\r
142\r
143 @param DestinationBuffer First memory buffer\r
144 @param SourceBuffer Second memory buffer\r
145 @param Length Length of DestinationBuffer and SourceBuffer memory\r
146 regions to compare. Must be non-zero.\r
147\r
148 @retval 0 if MemOne == MemTwo\r
149\r
150**/\r
151INTN\r
152EFIAPI\r
153InternalMemCompareMem (\r
154 IN CONST VOID *DestinationBuffer,\r
155 IN CONST VOID *SourceBuffer,\r
156 IN UINTN Length\r
157 );\r
158\r
159/**\r
160 Scans a target buffer for an 8-bit value, and returns a pointer to the\r
161 matching 8-bit value in the target buffer.\r
162\r
163 @param Buffer Pointer to the target buffer to scan.\r
164 @param Length Number of bytes in Buffer to scan. Must be non-zero.\r
165 @param Value Value to search for in the target buffer.\r
166\r
167 @return Pointer to the first occurrence or NULL if not found.\r
168\r
169**/\r
170CONST VOID *\r
171EFIAPI\r
172InternalMemScanMem8 (\r
173 IN CONST VOID *Buffer,\r
174 IN UINTN Length,\r
175 IN UINT8 Value\r
176 );\r
177\r
178/**\r
179 Scans a target buffer for a 16-bit value, and returns a pointer to the\r
180 matching 16-bit value in the target buffer.\r
181\r
182 @param Buffer Pointer to the target buffer to scan.\r
183 @param Length Number of bytes in Buffer to scan. Must be non-zero.\r
184 @param Value Value to search for in the target buffer.\r
185\r
186 @return Pointer to the first occurrence or NULL if not found.\r
187\r
188**/\r
189CONST VOID *\r
190EFIAPI\r
191InternalMemScanMem16 (\r
192 IN CONST VOID *Buffer,\r
193 IN UINTN Length,\r
194 IN UINT16 Value\r
195 );\r
196\r
197/**\r
198 Scans a target buffer for a 32-bit value, and returns a pointer to the\r
199 matching 32-bit value in the target buffer.\r
200\r
201 @param Buffer Pointer to the target buffer to scan.\r
202 @param Length Number of bytes in Buffer to scan. Must be non-zero.\r
203 @param Value Value to search for in the target buffer.\r
204\r
205 @return Pointer to the first occurrence or NULL if not found.\r
206\r
207**/\r
208CONST VOID *\r
209EFIAPI\r
210InternalMemScanMem32 (\r
211 IN CONST VOID *Buffer,\r
212 IN UINTN Length,\r
213 IN UINT32 Value\r
214 );\r
215\r
216/**\r
217 Scans a target buffer for a 64-bit value, and returns a pointer to the\r
218 matching 64-bit value in the target buffer.\r
219\r
220 @param Buffer Pointer to the target buffer to scan.\r
221 @param Length Number of bytes in Buffer to scan. Must be non-zero.\r
222 @param Value Value to search for in the target buffer.\r
223\r
224 @return Pointer to the first occurrence or NULL if not found.\r
225\r
226**/\r
227CONST VOID *\r
228EFIAPI\r
229InternalMemScanMem64 (\r
230 IN CONST VOID *Buffer,\r
231 IN UINTN Length,\r
232 IN UINT64 Value\r
233 );\r
234\r
235#endif\r