RTEMS  5.0.0
socal.h
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1 
7 /******************************************************************************
8  *
9  * Copyright 2013 Altera Corporation. All Rights Reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions are met:
13  *
14  * 1. Redistributions of source code must retain the above copyright notice,
15  * this list of conditions and the following disclaimer.
16  *
17  * 2. Redistributions in binary form must reproduce the above copyright notice,
18  * this list of conditions and the following disclaimer in the documentation
19  * and/or other materials provided with the distribution.
20  *
21  * 3. The name of the author may not be used to endorse or promote products
22  * derived from this software without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY EXPRESS OR
25  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED. IN NO
27  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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29  * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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32  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
33  * OF SUCH DAMAGE.
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35  ******************************************************************************/
36 
37 
40 #ifndef __ALTERA_SOCAL_H__
41 #define __ALTERA_SOCAL_H__
42 
43 #ifndef __ASSEMBLY__
44 #ifdef __cplusplus
45 #include <cstddef>
46 #include <cstdbool>
47 #include <cstdint>
48 #else /* __cplusplus */
49 #include <stddef.h>
50 #include <stdbool.h>
51 #include <stdint.h>
52 #endif /* __cplusplus */
53 #endif /* __ASSEMBLY__ */
54 
55 #ifdef __cplusplus
56 extern "C"
57 {
58 #endif /* __cplusplus */
59 
67 #ifdef __ASSEMBLY__
68 #define ALT_CAST(type, ptr) ptr
69 #else /* __ASSEMBLY__ */
70 
78 #define ALT_CAST(type, ptr) ((type) (ptr))
79 #endif /* __ASSEMBLY__ */
80 
103 #define alt_write_byte(dest, src) (*ALT_CAST(volatile uint8_t *, (dest)) = (src))
104 
109 #define alt_read_byte(src) (*ALT_CAST(volatile uint8_t *, (src)))
110 
115 #define alt_write_hword(dest, src) (*ALT_CAST(volatile uint16_t *, (dest)) = (src))
116 
121 #define alt_read_hword(src) (*ALT_CAST(volatile uint16_t *, (src)))
122 
127 #define alt_write_word(dest, src) (*ALT_CAST(volatile uint32_t *, (dest)) = (src))
128 
133 #define alt_read_word(src) (*ALT_CAST(volatile uint32_t *, (src)))
134 
139 #define alt_write_dword(dest, src) (*ALT_CAST(volatile uint64_t *, (dest)) = (src))
140 
145 #define alt_read_dword(src) (*ALT_CAST(volatile uint64_t *, (src)))
146 
162 #define alt_setbits_byte(dest, bits) (alt_write_byte(dest, alt_read_byte(dest) | (bits)))
163 
168 #define alt_clrbits_byte(dest, bits) (alt_write_byte(dest, alt_read_byte(dest) & ~(bits)))
169 
174 #define alt_xorbits_byte(dest, bits) (alt_write_byte(dest, alt_read_byte(dest) ^ (bits)))
175 
181 #define alt_replbits_byte(dest, msk, src) (alt_write_byte(dest,(alt_read_byte(dest) & ~(msk)) | ((src) & (msk))))
182 
187 #define alt_setbits_hword(dest, bits) (alt_write_hword(dest, alt_read_hword(dest) | (bits)))
188 
193 #define alt_clrbits_hword(dest, bits) (alt_write_hword(dest, alt_read_hword(dest) & ~(bits)))
194 
199 #define alt_xorbits_hword(dest, bits) (alt_write_hword(dest, alt_read_hword(dest) ^ (bits)))
200 
206 #define alt_replbits_hword(dest, msk, src) (alt_write_hword(dest,(alt_read_hword(dest) & ~(msk)) | ((src) & (msk))))
207 
212 #define alt_setbits_word(dest, bits) (alt_write_word(dest, alt_read_word(dest) | (bits)))
213 
218 #define alt_clrbits_word(dest, bits) (alt_write_word(dest, alt_read_word(dest) & ~(bits)))
219 
224 #define alt_xorbits_word(dest, bits) (alt_write_word(dest, alt_read_word(dest) ^ (bits)))
225 
231 #define alt_replbits_word(dest, msk, src) (alt_write_word(dest,(alt_read_word(dest) & ~(msk)) | ((src) & (msk))))
232 
237 #define alt_setbits_dword(dest, bits) (alt_write_dword(dest, alt_read_dword(dest) | (bits)))
238 
243 #define alt_clrbits_dword(dest, bits) (alt_write_dword(dest, alt_read_dword(dest) & ~(bits)))
244 
249 #define alt_xorbits_dword(dest, bits) (alt_write_dword(dest, alt_read_dword(dest) ^ (bits)))
250 
256 #define alt_replbits_dword(dest, msk, src) (alt_write_dword(dest,(alt_read_dword(dest) & ~(msk)) | ((src) & (msk))))
257 
262 #ifdef __cplusplus
263 }
264 #endif /* __cplusplus */
265 #endif /* __ALTERA_SOCAL_H__ */