OpenCores
URL https://opencores.org/ocsvn/ao486/ao486/trunk

Subversion Repositories ao486

[/] [ao486/] [trunk/] [syn/] [components/] [ps2/] [software/] [exe_bsp/] [HAL/] [inc/] [sys/] [alt_cache.h] - Blame information for rev 2

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 2 alfik
#ifndef __ALT_CACHE_H__
2
#define __ALT_CACHE_H__
3
 
4
/******************************************************************************
5
*                                                                             *
6
* License Agreement                                                           *
7
*                                                                             *
8
* Copyright (c) 2003, 2007 Altera Corporation, San Jose, California, USA.     *
9
* All rights reserved.                                                        *
10
*                                                                             *
11
* Permission is hereby granted, free of charge, to any person obtaining a     *
12
* copy of this software and associated documentation files (the "Software"),  *
13
* to deal in the Software without restriction, including without limitation   *
14
* the rights to use, copy, modify, merge, publish, distribute, sublicense,    *
15
* and/or sell copies of the Software, and to permit persons to whom the       *
16
* Software is furnished to do so, subject to the following conditions:        *
17
*                                                                             *
18
* The above copyright notice and this permission notice shall be included in  *
19
* all copies or substantial portions of the Software.                         *
20
*                                                                             *
21
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  *
22
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,    *
23
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
24
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      *
25
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING     *
26
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER         *
27
* DEALINGS IN THE SOFTWARE.                                                   *
28
*                                                                             *
29
* This agreement shall be governed in all respects by the laws of the State   *
30
* of California and by the laws of the United States of America.              *
31
*                                                                             *
32
******************************************************************************/
33
 
34
#include <stdlib.h>
35
 
36
#include "alt_types.h"
37
 
38
/*
39
 * alt_cache.h defines the processor specific functions for manipulating the
40
 * cache.
41
 */
42
 
43
#ifdef __cplusplus
44
extern "C"
45
{
46
#endif /* __cplusplus */
47
 
48
/*
49
 * alt_icache_flush() is called to flush the instruction cache for a memory
50
 * region of length "len" bytes, starting at address "start".
51
 */
52
 
53
extern void alt_icache_flush (void* start, alt_u32 len);
54
 
55
/*
56
 * alt_dcache_flush() is called to flush the data cache for a memory
57
 * region of length "len" bytes, starting at address "start".
58
 * Any dirty lines in the data cache are written back to memory.
59
 */
60
 
61
extern void alt_dcache_flush (void* start, alt_u32 len);
62
 
63
/*
64
 * alt_dcache_flush() is called to flush the data cache for a memory
65
 * region of length "len" bytes, starting at address "start".
66
 * Any dirty lines in the data cache are NOT written back to memory.
67
 */
68
 
69
extern void alt_dcache_flush_no_writeback (void* start, alt_u32 len);
70
 
71
/*
72
 * Flush the entire instruction cache.
73
 */
74
 
75
extern void alt_icache_flush_all (void);
76
 
77
/*
78
 * Flush the entire data cache.
79
 */
80
 
81
extern void alt_dcache_flush_all (void);
82
 
83
/*
84
 * Allocate a block of uncached memory.
85
 */
86
 
87
extern volatile void* alt_uncached_malloc (size_t size);
88
 
89
/*
90
 * Free a block of uncached memory.
91
 */
92
 
93
extern void alt_uncached_free (volatile void* ptr);
94
 
95
/*
96
 * Convert a pointer to a block of cached memory, into a block of
97
 * uncached memory.
98
 */
99
 
100
extern volatile void* alt_remap_uncached (void* ptr, alt_u32 len);
101
 
102
/*
103
 * Convert a pointer to a block of uncached memory, into a block of
104
 * cached memory.
105
 */
106
 
107
extern void* alt_remap_cached (volatile void* ptr, alt_u32 len);
108
 
109
/*
110
 *
111
 */
112
 
113
#ifdef __cplusplus
114
}
115
#endif
116
 
117
#endif /* __ALT_CACHE_H__ */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.