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#ifndef __ALT_CACHE_H__

#define __ALT_CACHE_H__

/******************************************************************************

*                                                                             *

* License Agreement                                                           *

*                                                                             *

* Copyright (c) 2003, 2007 Altera Corporation, San Jose, California, USA.     *

* All rights reserved.                                                        *

*                                                                             *

* Permission is hereby granted, free of charge, to any person obtaining a     *

* copy of this software and associated documentation files (the "Software"),  *

* to deal in the Software without restriction, including without limitation   *

* the rights to use, copy, modify, merge, publish, distribute, sublicense,    *

* and/or sell copies of the Software, and to permit persons to whom the       *

* Software is furnished to do so, subject to the following conditions:        *

*                                                                             *

* The above copyright notice and this permission notice shall be included in  *

* all copies or substantial portions of the Software.                         *

*                                                                             *

* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  *

* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,    *

* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *

* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER      *

* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING     *

* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER         *

* DEALINGS IN THE SOFTWARE.                                                   *

*                                                                             *

* This agreement shall be governed in all respects by the laws of the State   *

* of California and by the laws of the United States of America.              *

*                                                                             *

******************************************************************************/

#include <stdlib.h>

#include "alt_types.h"

/*

 * alt_cache.h defines the processor specific functions for manipulating the

 * cache.

 */

#ifdef __cplusplus

extern "C"

{

#endif /* __cplusplus */

/*

 * alt_icache_flush() is called to flush the instruction cache for a memory

 * region of length "len" bytes, starting at address "start".

 */

extern void alt_icache_flush (void* start, alt_u32 len);

/*

 * alt_dcache_flush() is called to flush the data cache for a memory

 * region of length "len" bytes, starting at address "start".

 * Any dirty lines in the data cache are written back to memory.

 */

extern void alt_dcache_flush (void* start, alt_u32 len);

/*

 * alt_dcache_flush() is called to flush the data cache for a memory

 * region of length "len" bytes, starting at address "start".

 * Any dirty lines in the data cache are NOT written back to memory.

 */

extern void alt_dcache_flush_no_writeback (void* start, alt_u32 len);

/*

 * Flush the entire instruction cache.

 */

extern void alt_icache_flush_all (void);

/*

 * Flush the entire data cache.

 */

extern void alt_dcache_flush_all (void);

/*

 * Allocate a block of uncached memory.

 */

extern volatile void* alt_uncached_malloc (size_t size);

/*

 * Free a block of uncached memory.

 */

extern void alt_uncached_free (volatile void* ptr);

/*

 * Convert a pointer to a block of cached memory, into a block of

 * uncached memory.

 */

extern volatile void* alt_remap_uncached (void* ptr, alt_u32 len);

/*

 * Convert a pointer to a block of uncached memory, into a block of

 * cached memory.

 */

extern void* alt_remap_cached (volatile void* ptr, alt_u32 len);

/*

 *

 */

#ifdef __cplusplus

}

#endif

#endif /* __ALT_CACHE_H__ */