rockbox/firmware/target/mips/mmu-mips.h
Solomon Peachy 0cb162a76b mips: Heavily rework DMA & caching code
Based on code originally written by Amaury Pouly (g#1789, g#1791, g#1527)
but rebased and heavily updated.

Change-Id: Ic794abb5e8d89feb4b88fc3abe854270fb28db70
2020-09-03 15:34:28 -04:00

52 lines
1.9 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2009 by Maurus Cuelenaere
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __MMU_MIPS_INCLUDE_H
#define __MMU_MIPS_INCLUDE_H
#include "system-target.h"
void map_address(unsigned long virtual, unsigned long physical,
unsigned long length, unsigned int cache_flags);
void mmu_init(void);
/* Commits entire DCache */
void commit_dcache(void);
/* Commit and discard entire DCache, will do writeback */
void commit_discard_dcache(void);
/* Write DCache back to RAM for the given range and remove cache lines
* from DCache afterwards */
void commit_discard_dcache_range(const void *base, unsigned int size);
/* Write DCache back to RAM for the given range */
void commit_dcache_range(const void *base, unsigned int size);
/*
* Remove cache lines for the given range from DCache
* will *NOT* do write back except for buffer edges not on a line boundary
*/
void discard_dcache_range(const void *base, unsigned int size);
/* Discards the entire ICache, and commit+discards the entire DCache */
void commit_discard_idcache(void);
#endif /* __MMU_MIPS_INCLUDE_H */