/*
    (C) 1995-96 AROS - The Amiga Replacement OS
    $Id: cache.c,v 1.1 1997/05/01 13:14:27 aros Exp $

    Desc: Flush Caches
    Lang: english
*/
#include <errno.h>
#include <asm/cachectl.h>
/* GNU libc 2 has this included in <sys/syscall.h>, but libc5 doesn't :-( */
#include <asm/unistd.h>
static inline _syscall4(int,cacheflush,unsigned long,addr,int,scope,int,cache,unsigned long,len)

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

    NAME */
#include <proto/exec.h>
#include <exec/execbase.h>

	AROS_LH3(void, CacheClearE,

/*  SYNOPSIS */
	AROS_LHA(APTR,  address, A0),
	AROS_LHA(ULONG, length,  D0),
	AROS_LHA(ULONG, caches,  D1),

/*  LOCATION */
	struct ExecBase *, SysBase, 107, Exec)

/*  FUNCTION

    INPUTS

    RESULT

    NOTES

    EXAMPLE

    BUGS

    SEE ALSO

    INTERNALS

    HISTORY

******************************************************************************/
{
    int scope, cpucache = 0;

    if (caches & CACRF_ClearD)
	cpucache |= FLUSH_CACHE_DATA;

    if (caches & CACRF_ClearI)
	cpucache |= FLUSH_CACHE_INSN;

    if (length == (ULONG)-1)
	scope = FLUSH_SCOPE_ALL;
    else
	scope = FLUSH_SCOPE_LINE;

    (void) cacheflush((unsigned long)address, scope, cpucache, length);
} /* CacheClearE */

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

    NAME */
#include <proto/exec.h>

	AROS_LH0(void, CacheClearU,

/*  LOCATION */
	struct ExecBase *, SysBase, 106, Exec)

/*  FUNCTION

    INPUTS

    RESULT

    NOTES

    EXAMPLE

    BUGS

    SEE ALSO

    INTERNALS

    HISTORY

******************************************************************************/
{
    (void) cacheflush(0, FLUSH_SCOPE_ALL, FLUSH_CACHE_BOTH, 0);
} /* CacheClearU */

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

    NAME */
#include <proto/exec.h>

	AROS_LH0(void, CacheControl,

/*  LOCATION */
	struct ExecBase *, SysBase, 108, Exec)

/*  FUNCTION

    INPUTS

    RESULT

    NOTES

    EXAMPLE

    BUGS

    SEE ALSO

    INTERNALS

    HISTORY

******************************************************************************/
{
    return;
} /* CacheControl */

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

    NAME */
#include <proto/exec.h>

	AROS_LH0(void, CachePostDMA,

/*  LOCATION */
	struct ExecBase *, SysBase, 128, Exec)

/*  FUNCTION

    INPUTS

    RESULT

    NOTES

    EXAMPLE

    BUGS

    SEE ALSO

    INTERNALS

    HISTORY

******************************************************************************/
{
    return;
} /* CachePostDMA */

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

    NAME */
#include <proto/exec.h>

	AROS_LH0(void, CachePreDMA,

/*  LOCATION */
	struct ExecBase *, SysBase, 127, Exec)

/*  FUNCTION

    INPUTS

    RESULT

    NOTES

    EXAMPLE

    BUGS

    SEE ALSO

    INTERNALS

    HISTORY

******************************************************************************/
{
    return;
} /* CachePreDMA */