| #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. * |
| * * |
| * * |
| ******************************************************************************/ |
| |
| #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__ */ |