cacheflush.c

/*
 * Copyright (c) 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
 * Copyright (c) 2010 Mike Frysinger <vapier@gentoo.org>
 * Copyright (c) 2010 Carmelo Amoroso <carmelo.amoroso@st.com>
 * Copyright (c) 2015 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
 * Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "defs.h"

#ifdef HAVE_ASM_CACHECTL_H
# include <asm/cachectl.h>
#endif

#ifdef M68K
# include "xlat/cacheflush_scope.h"

static const struct xlat cacheflush_flags[] = {
#ifdef FLUSH_CACHE_BOTH
	XLAT(FLUSH_CACHE_BOTH),
#endif
#ifdef FLUSH_CACHE_DATA
	XLAT(FLUSH_CACHE_DATA),
#endif
#ifdef FLUSH_CACHE_INSN
	XLAT(FLUSH_CACHE_INSN),
#endif
	XLAT_END
};

SYS_FUNC(cacheflush)
{
	/* addr */
	printaddr(tcp->u_arg[0]);
	tprints(", ");
	/* scope */
	printxval(cacheflush_scope, tcp->u_arg[1], "FLUSH_SCOPE_???");
	tprints(", ");
	/* flags */
	printflags(cacheflush_flags, tcp->u_arg[2], "FLUSH_CACHE_???");
	/* len */
	tprintf(", %lu", tcp->u_arg[3]);

	return RVAL_DECODED;
}
#endif /* M68K */

#ifdef BFIN
static const struct xlat cacheflush_flags[] = {
	XLAT(ICACHE),
	XLAT(DCACHE),
	XLAT(BCACHE),
	XLAT_END
};

SYS_FUNC(cacheflush)
{
	/* start addr */
	printaddr(tcp->u_arg[0]);
	/* length */
	tprintf(", %lu, ", tcp->u_arg[1]);
	/* flags */
	printxval(cacheflush_flags, tcp->u_arg[2], "?CACHE");

	return RVAL_DECODED;
}
#endif /* BFIN */

#ifdef SH
static const struct xlat cacheflush_flags[] = {
#ifdef CACHEFLUSH_D_INVAL
	XLAT(CACHEFLUSH_D_INVAL),
#endif
#ifdef CACHEFLUSH_D_WB
	XLAT(CACHEFLUSH_D_WB),
#endif
#ifdef CACHEFLUSH_D_PURGE
	XLAT(CACHEFLUSH_D_PURGE),
#endif
#ifdef CACHEFLUSH_I
	XLAT(CACHEFLUSH_I),
#endif
	XLAT_END
};

SYS_FUNC(cacheflush)
{
	/* addr */
	printaddr(tcp->u_arg[0]);
	/* len */
	tprintf(", %lu, ", tcp->u_arg[1]);
	/* flags */
	printflags(cacheflush_flags, tcp->u_arg[2], "CACHEFLUSH_???");

	return RVAL_DECODED;
}
#endif /* SH */

#ifdef NIOS2
SYS_FUNC(cacheflush)
{
	/* addr */
	printaddr(tcp->u_arg[0]);
	/* len */
	tprintf(", %lu, ", tcp->u_arg[3]);
	/* scope and flags (cache type) are currently ignored */

	return RVAL_DECODED;
}
#endif /* NIOS2 */