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https://github.com/marqs85/ossc
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118 lines
4.0 KiB
C
118 lines
4.0 KiB
C
#ifndef __ALT_CACHE_H__
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#define __ALT_CACHE_H__
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/******************************************************************************
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* *
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* License Agreement *
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* *
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* Copyright (c) 2003, 2007 Altera Corporation, San Jose, California, USA. *
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* All rights reserved. *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a *
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* copy of this software and associated documentation files (the "Software"), *
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* to deal in the Software without restriction, including without limitation *
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, *
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* and/or sell copies of the Software, and to permit persons to whom the *
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* Software is furnished to do so, subject to the following conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in *
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* all copies or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
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* DEALINGS IN THE SOFTWARE. *
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* *
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* This agreement shall be governed in all respects by the laws of the State *
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* of California and by the laws of the United States of America. *
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* *
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******************************************************************************/
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#include <stdlib.h>
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#include "alt_types.h"
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/*
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* alt_cache.h defines the processor specific functions for manipulating the
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* cache.
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*/
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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/*
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* alt_icache_flush() is called to flush the instruction cache for a memory
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* region of length "len" bytes, starting at address "start".
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*/
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extern void alt_icache_flush (void* start, alt_u32 len);
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/*
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* alt_dcache_flush() is called to flush the data cache for a memory
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* region of length "len" bytes, starting at address "start".
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* Any dirty lines in the data cache are written back to memory.
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*/
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extern void alt_dcache_flush (void* start, alt_u32 len);
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/*
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* alt_dcache_flush() is called to flush the data cache for a memory
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* region of length "len" bytes, starting at address "start".
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* Any dirty lines in the data cache are NOT written back to memory.
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*/
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extern void alt_dcache_flush_no_writeback (void* start, alt_u32 len);
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/*
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* Flush the entire instruction cache.
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*/
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extern void alt_icache_flush_all (void);
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/*
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* Flush the entire data cache.
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*/
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extern void alt_dcache_flush_all (void);
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/*
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* Allocate a block of uncached memory.
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*/
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extern volatile void* alt_uncached_malloc (size_t size);
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/*
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* Free a block of uncached memory.
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*/
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extern void alt_uncached_free (volatile void* ptr);
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/*
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* Convert a pointer to a block of cached memory, into a block of
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* uncached memory.
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*/
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extern volatile void* alt_remap_uncached (void* ptr, alt_u32 len);
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/*
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* Convert a pointer to a block of uncached memory, into a block of
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* cached memory.
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*/
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extern void* alt_remap_cached (volatile void* ptr, alt_u32 len);
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/*
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*
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ALT_CACHE_H__ */
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