129 lines
3.4 KiB
C
129 lines
3.4 KiB
C
/**
|
|
* \file
|
|
* Cache-consistency functions.
|
|
*
|
|
* \date 2007-11
|
|
* \author Adam Lackorzynski <adam@os.inf.tu-dresden.de>
|
|
*
|
|
* \ingroup l4_api
|
|
*
|
|
*/
|
|
/*
|
|
* (c) 2007-2009 Author(s)
|
|
* economic rights: Technische Universität Dresden (Germany)
|
|
*
|
|
* This file is part of TUD:OS and distributed under the terms of the
|
|
* GNU General Public License 2.
|
|
* Please see the COPYING-GPL-2 file for details.
|
|
*
|
|
* As a special exception, you may use this file as part of a free software
|
|
* library without restriction. Specifically, if other files instantiate
|
|
* templates or use macros or inline functions from this file, or you compile
|
|
* this file and link it with other files to produce an executable, this
|
|
* file does not by itself cause the resulting executable to be covered by
|
|
* the GNU General Public License. This exception does not however
|
|
* invalidate any other reasons why the executable file might be covered by
|
|
* the GNU General Public License.
|
|
*/
|
|
|
|
#ifndef __L4SYS__INCLUDE__CACHE_H__
|
|
#define __L4SYS__INCLUDE__CACHE_H__
|
|
|
|
#include <l4/sys/compiler.h>
|
|
|
|
/**
|
|
* \defgroup l4_cache_api Cache Consistency
|
|
* \ingroup l4_api
|
|
* Various functions for cache consistency.
|
|
*
|
|
* \includefile{l4/sys/cache.h}
|
|
*/
|
|
|
|
EXTERN_C_BEGIN
|
|
|
|
/**
|
|
* Cache clean a range in D-cache.
|
|
* \ingroup l4_cache_api
|
|
*
|
|
* \param start Start of range (inclusive)
|
|
* \param end End of range (exclusive)
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -EFAULT in the case of an unresolved page fault
|
|
* in the given area
|
|
*/
|
|
L4_INLINE int
|
|
l4_cache_clean_data(unsigned long start,
|
|
unsigned long end) L4_NOTHROW;
|
|
|
|
/**
|
|
* Cache flush a range.
|
|
* \ingroup l4_cache_api
|
|
*
|
|
* \param start Start of range (inclusive)
|
|
* \param end End of range (exclusive)
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -EFAULT in the case of an unresolved page fault
|
|
* in the given area
|
|
*/
|
|
L4_INLINE int
|
|
l4_cache_flush_data(unsigned long start,
|
|
unsigned long end) L4_NOTHROW;
|
|
|
|
/**
|
|
* Cache invalidate a range.
|
|
* \ingroup l4_cache_api
|
|
*
|
|
* \param start Start of range (inclusive)
|
|
* \param end End of range (exclusive)
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -EFAULT in the case of an unresolved page fault
|
|
* in the given area
|
|
*/
|
|
L4_INLINE int
|
|
l4_cache_inv_data(unsigned long start,
|
|
unsigned long end) L4_NOTHROW;
|
|
|
|
/**
|
|
* Make memory coherent between I-cache and D-cache.
|
|
* \ingroup l4_cache_api
|
|
*
|
|
* \param start Start of range (inclusive)
|
|
* \param end End of range (exclusive)
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -EFAULT in the case of an unresolved page fault
|
|
* in the given area
|
|
*/
|
|
L4_INLINE int
|
|
l4_cache_coherent(unsigned long start,
|
|
unsigned long end) L4_NOTHROW;
|
|
|
|
/**
|
|
* Make memory coherent for use with external memory.
|
|
* \ingroup l4_cache_api
|
|
*
|
|
* \param start Start of range (inclusive)
|
|
* \param end End of range (exclusive)
|
|
*
|
|
* \retval 0 on success
|
|
* \retval -EFAULT in the case of an unresolved page fault
|
|
* in the given area
|
|
*/
|
|
L4_INLINE int
|
|
l4_cache_dma_coherent(unsigned long start,
|
|
unsigned long end) L4_NOTHROW;
|
|
|
|
/**
|
|
* Make memory coherent for use with external memory.
|
|
* \ingroup l4_cache_api
|
|
*/
|
|
L4_INLINE int
|
|
l4_cache_dma_coherent_full(void) L4_NOTHROW;
|
|
|
|
EXTERN_C_END
|
|
|
|
#endif /* ! __L4SYS__INCLUDE__CACHE_H__ */
|