[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibSse2 / MemLibInternals.h

/** @file\r
  Declaration of internal functions for Base Memory Library.\r
\r
  Copyright (c) 2006, Intel Corporation<BR>\r
  All rights reserved. This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
  Module Name:  MemLibInternals.h\r
\r
  The following BaseMemoryLib instances share the same version of this file:\r
\r
    BaseMemoryLib\r
    BaseMemoryLibMmx\r
    BaseMemoryLibSse2\r
    BaseMemoryLibRepStr\r
    PeiMemoryLib\r
    DxeMemoryLib\r
\r
**/\r
\r
#ifndef __MEM_LIB_INTERNALS__\r
#define __MEM_LIB_INTERNALS__\r
\r
/**\r
  Copy Length bytes from Source to Destination.\r
\r
  @param  Destination Target of copy\r
  @param  Source Place to copy from\r
  @param  Length Number of bytes to copy\r
\r
  @return Destination\r
\r
**/\r
VOID *\r
EFIAPI\r
InternalMemCopyMem (\r
  OUT     VOID                      *DestinationBuffer,\r
  IN      CONST VOID                *SourceBuffer,\r
  IN      UINTN                     Length\r
  );\r
\r
/**\r
  Set Buffer to Value for Size bytes.\r
\r
  @param  Buffer Memory to set.\r
  @param  Size Number of bytes to set\r
  @param  Value Value of the set operation.\r
\r
  @return Buffer\r
\r
**/\r
VOID *\r
EFIAPI\r
InternalMemSetMem (\r
  OUT     VOID                      *Buffer,\r
  IN      UINTN                     Length,\r
  IN      UINT8                     Value\r
  );\r
\r
/**\r
  Fills a target buffer with a 16-bit value, and returns the target buffer.\r
\r
  @param  Buffer  Pointer to the target buffer to fill.\r
  @param  Length  Number of bytes in Buffer to fill.\r
  @param  Value   Value with which to fill Length bytes of Buffer.\r
\r
  @return Buffer\r
\r
**/\r
VOID *\r
EFIAPI\r
InternalMemSetMem16 (\r
  OUT     VOID                      *Buffer,\r
  IN      UINTN                     Length,\r
  IN      UINT16                    Value\r
  );\r
\r
/**\r
  Fills a target buffer with a 32-bit value, and returns the target buffer.\r
\r
  @param  Buffer  Pointer to the target buffer to fill.\r
  @param  Length  Number of bytes in Buffer to fill.\r
  @param  Value   Value with which to fill Length bytes of Buffer.\r
\r
  @return Buffer\r
\r
**/\r
VOID *\r
EFIAPI\r
InternalMemSetMem32 (\r
  OUT     VOID                      *Buffer,\r
  IN      UINTN                     Length,\r
  IN      UINT32                    Value\r
  );\r
\r
/**\r
  Fills a target buffer with a 64-bit value, and returns the target buffer.\r
\r
  @param  Buffer  Pointer to the target buffer to fill.\r
  @param  Length  Number of bytes in Buffer to fill.\r
  @param  Value   Value with which to fill Length bytes of Buffer.\r
\r
  @return Buffer\r
\r
**/\r
VOID *\r
EFIAPI\r
InternalMemSetMem64 (\r
  OUT     VOID                      *Buffer,\r
  IN      UINTN                     Length,\r
  IN      UINT64                    Value\r
  );\r
\r
/**\r
  Set Buffer to 0 for Size bytes.\r
\r
  @param  Buffer Memory to set.\r
  @param  Size Number of bytes to set\r
\r
  @return Buffer\r
\r
**/\r
VOID *\r
EFIAPI\r
InternalMemZeroMem (\r
  OUT     VOID                      *Buffer,\r
  IN      UINTN                     Length\r
  );\r
\r
/**\r
  Compares two memory buffers of a given length.\r
\r
  @param  DestinationBuffer First memory buffer\r
  @param  SourceBuffer      Second memory buffer\r
  @param  Length            Length of DestinationBuffer and SourceBuffer memory\r
                            regions to compare. Must be non-zero.\r
\r
  @retval 0     if MemOne == MemTwo\r
\r
**/\r
INTN\r
EFIAPI\r
InternalMemCompareMem (\r
  IN      CONST VOID                *DestinationBuffer,\r
  IN      CONST VOID                *SourceBuffer,\r
  IN      UINTN                     Length\r
  );\r
\r
/**\r
  Scans a target buffer for an 8-bit value, and returns a pointer to the\r
  matching 8-bit value in the target buffer.\r
\r
  @param  Buffer  Pointer to the target buffer to scan.\r
  @param  Length  Number of bytes in Buffer to scan. Must be non-zero.\r
  @param  Value   Value to search for in the target buffer.\r
\r
  @return Pointer to the first occurrence or NULL if not found.\r
\r
**/\r
CONST VOID *\r
EFIAPI\r
InternalMemScanMem8 (\r
  IN      CONST VOID                *Buffer,\r
  IN      UINTN                     Length,\r
  IN      UINT8                     Value\r
  );\r
\r
/**\r
  Scans a target buffer for a 16-bit value, and returns a pointer to the\r
  matching 16-bit value in the target buffer.\r
\r
  @param  Buffer  Pointer to the target buffer to scan.\r
  @param  Length  Number of bytes in Buffer to scan. Must be non-zero.\r
  @param  Value   Value to search for in the target buffer.\r
\r
  @return Pointer to the first occurrence or NULL if not found.\r
\r
**/\r
CONST VOID *\r
EFIAPI\r
InternalMemScanMem16 (\r
  IN      CONST VOID                *Buffer,\r
  IN      UINTN                     Length,\r
  IN      UINT16                    Value\r
  );\r
\r
/**\r
  Scans a target buffer for a 32-bit value, and returns a pointer to the\r
  matching 32-bit value in the target buffer.\r
\r
  @param  Buffer  Pointer to the target buffer to scan.\r
  @param  Length  Number of bytes in Buffer to scan. Must be non-zero.\r
  @param  Value   Value to search for in the target buffer.\r
\r
  @return Pointer to the first occurrence or NULL if not found.\r
\r
**/\r
CONST VOID *\r
EFIAPI\r
InternalMemScanMem32 (\r
  IN      CONST VOID                *Buffer,\r
  IN      UINTN                     Length,\r
  IN      UINT32                    Value\r
  );\r
\r
/**\r
  Scans a target buffer for a 64-bit value, and returns a pointer to the\r
  matching 64-bit value in the target buffer.\r
\r
  @param  Buffer  Pointer to the target buffer to scan.\r
  @param  Length  Number of bytes in Buffer to scan. Must be non-zero.\r
  @param  Value   Value to search for in the target buffer.\r
\r
  @return Pointer to the first occurrence or NULL if not found.\r
\r
**/\r
CONST VOID *\r
EFIAPI\r
InternalMemScanMem64 (\r
  IN      CONST VOID                *Buffer,\r
  IN      UINTN                     Length,\r
  IN      UINT64                    Value\r
  );\r
\r
#endif\r
Commit	Line	Data
608fd3fd	1	/** @file\r
	2	Declaration of internal functions for Base Memory Library.\r
	3	\r
	4	Copyright (c) 2006, Intel Corporation<BR>\r
	5	All rights reserved. This program and the accompanying materials\r
	6	are licensed and made available under the terms and conditions of the BSD License\r
	7	which accompanies this distribution. The full text of the license may be found at\r
	8	http://opensource.org/licenses/bsd-license.php\r
	9	\r
	10	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	11	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	12	\r
24de7645	13	Module Name: MemLibInternals.h\r
608fd3fd	14	\r
	15	The following BaseMemoryLib instances share the same version of this file:\r
	16	\r
	17	BaseMemoryLib\r
	18	BaseMemoryLibMmx\r
	19	BaseMemoryLibSse2\r
	20	BaseMemoryLibRepStr\r
	21	PeiMemoryLib\r
add13dc2	22	DxeMemoryLib\r
608fd3fd	23	\r
	24	**/\r
	25	\r
24de7645	26	#ifndef __MEM_LIB_INTERNALS__\r
24de7645	27	#define __MEM_LIB_INTERNALS__\r
608fd3fd	28	\r
	29	/**\r
	30	Copy Length bytes from Source to Destination.\r
	31	\r
	32	@param Destination Target of copy\r
	33	@param Source Place to copy from\r
	34	@param Length Number of bytes to copy\r
	35	\r
	36	@return Destination\r
	37	\r
	38	**/\r
	39	VOID *\r
	40	EFIAPI\r
	41	InternalMemCopyMem (\r
	42	OUT VOID *DestinationBuffer,\r
	43	IN CONST VOID *SourceBuffer,\r
	44	IN UINTN Length\r
	45	);\r
	46	\r
	47	/**\r
	48	Set Buffer to Value for Size bytes.\r
	49	\r
	50	@param Buffer Memory to set.\r
	51	@param Size Number of bytes to set\r
	52	@param Value Value of the set operation.\r
	53	\r
	54	@return Buffer\r
	55	\r
	56	**/\r
	57	VOID *\r
	58	EFIAPI\r
	59	InternalMemSetMem (\r
	60	OUT VOID *Buffer,\r
	61	IN UINTN Length,\r
	62	IN UINT8 Value\r
	63	);\r
	64	\r
	65	/**\r
	66	Fills a target buffer with a 16-bit value, and returns the target buffer.\r
	67	\r
	68	@param Buffer Pointer to the target buffer to fill.\r
	69	@param Length Number of bytes in Buffer to fill.\r
	70	@param Value Value with which to fill Length bytes of Buffer.\r
	71	\r
	72	@return Buffer\r
	73	\r
	74	**/\r
	75	VOID *\r
	76	EFIAPI\r
	77	InternalMemSetMem16 (\r
	78	OUT VOID *Buffer,\r
	79	IN UINTN Length,\r
	80	IN UINT16 Value\r
	81	);\r
	82	\r
	83	/**\r
	84	Fills a target buffer with a 32-bit value, and returns the target buffer.\r
	85	\r
	86	@param Buffer Pointer to the target buffer to fill.\r
	87	@param Length Number of bytes in Buffer to fill.\r
	88	@param Value Value with which to fill Length bytes of Buffer.\r
	89	\r
	90	@return Buffer\r
	91	\r
92	**/\r
93	VOID *\r
94	EFIAPI\r
95	InternalMemSetMem32 (\r
96	OUT VOID *Buffer,\r
97	IN UINTN Length,\r
98	IN UINT32 Value\r
99	);\r
100	\r
101	/**\r
102	Fills a target buffer with a 64-bit value, and returns the target buffer.\r
103	\r
104	@param Buffer Pointer to the target buffer to fill.\r
105	@param Length Number of bytes in Buffer to fill.\r
106	@param Value Value with which to fill Length bytes of Buffer.\r
107	\r
108	@return Buffer\r
109	\r
110	**/\r
111	VOID *\r
112	EFIAPI\r
113	InternalMemSetMem64 (\r
114	OUT VOID *Buffer,\r
115	IN UINTN Length,\r
116	IN UINT64 Value\r
117	);\r
118	\r
119	/**\r
120	Set Buffer to 0 for Size bytes.\r
121	\r
122	@param Buffer Memory to set.\r
123	@param Size Number of bytes to set\r
124	\r
125	@return Buffer\r
126	\r
127	**/\r
128	VOID *\r
129	EFIAPI\r
130	InternalMemZeroMem (\r
131	OUT VOID *Buffer,\r
132	IN UINTN Length\r
133	);\r
134	\r
135	/**\r
136	Compares two memory buffers of a given length.\r
137	\r
138	@param DestinationBuffer First memory buffer\r
139	@param SourceBuffer Second memory buffer\r
140	@param Length Length of DestinationBuffer and SourceBuffer memory\r
141	regions to compare. Must be non-zero.\r
142	\r
143	@retval 0 if MemOne == MemTwo\r
144	\r
145	**/\r
146	INTN\r
147	EFIAPI\r
148	InternalMemCompareMem (\r
149	IN CONST VOID *DestinationBuffer,\r
150	IN CONST VOID *SourceBuffer,\r
151	IN UINTN Length\r
152	);\r
153	\r
154	/**\r
155	Scans a target buffer for an 8-bit value, and returns a pointer to the\r
156	matching 8-bit value in the target buffer.\r
157	\r
158	@param Buffer Pointer to the target buffer to scan.\r
159	@param Length Number of bytes in Buffer to scan. Must be non-zero.\r
160	@param Value Value to search for in the target buffer.\r
161	\r
162	@return Pointer to the first occurrence or NULL if not found.\r
163	\r
164	**/\r
165	CONST VOID *\r
166	EFIAPI\r
167	InternalMemScanMem8 (\r
168	IN CONST VOID *Buffer,\r
169	IN UINTN Length,\r
170	IN UINT8 Value\r
171	);\r
172	\r
173	/**\r
174	Scans a target buffer for a 16-bit value, and returns a pointer to the\r
175	matching 16-bit value in the target buffer.\r
176	\r
177	@param Buffer Pointer to the target buffer to scan.\r
178	@param Length Number of bytes in Buffer to scan. Must be non-zero.\r
179	@param Value Value to search for in the target buffer.\r
180	\r
181	@return Pointer to the first occurrence or NULL if not found.\r
182	\r
183	**/\r
184	CONST VOID *\r
185	EFIAPI\r
186	InternalMemScanMem16 (\r
187	IN CONST VOID *Buffer,\r
188	IN UINTN Length,\r
189	IN UINT16 Value\r
190	);\r
191	\r
192	/**\r
193	Scans a target buffer for a 32-bit value, and returns a pointer to the\r
194	matching 32-bit value in the target buffer.\r
195	\r
196	@param Buffer Pointer to the target buffer to scan.\r
197	@param Length Number of bytes in Buffer to scan. Must be non-zero.\r
198	@param Value Value to search for in the target buffer.\r
199	\r
200	@return Pointer to the first occurrence or NULL if not found.\r
201	\r
202	**/\r
203	CONST VOID *\r
204	EFIAPI\r
205	InternalMemScanMem32 (\r
206	IN CONST VOID *Buffer,\r
207	IN UINTN Length,\r
208	IN UINT32 Value\r
209	);\r
210	\r
211	/**\r
212	Scans a target buffer for a 64-bit value, and returns a pointer to the\r
213	matching 64-bit value in the target buffer.\r
214	\r
215	@param Buffer Pointer to the target buffer to scan.\r
216	@param Length Number of bytes in Buffer to scan. Must be non-zero.\r
217	@param Value Value to search for in the target buffer.\r
218	\r
219	@return Pointer to the first occurrence or NULL if not found.\r
220	\r
221	**/\r
222	CONST VOID *\r
223	EFIAPI\r
224	InternalMemScanMem64 (\r
225	IN CONST VOID *Buffer,\r
226	IN UINTN Length,\r
227	IN UINT64 Value\r
228	);\r
229	\r
230	#endif\r