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      1  1.9  tsutsui /*	$NetBSD: clear_cache.S,v 1.9 2011/03/26 15:49:26 tsutsui Exp $	*/
      2  1.1   simonb 
      3  1.1   simonb /*-
      4  1.1   simonb  * Copyright (c) 1999 The NetBSD Foundation, Inc.
      5  1.1   simonb  * All rights reserved.
      6  1.3   simonb  *
      7  1.3   simonb  * This code is derived from software contributed to The NetBSD Foundation
      8  1.3   simonb  * by Jonathan Stone, Michael Hitch and Simon Burge.
      9  1.1   simonb  *
     10  1.1   simonb  * Redistribution and use in source and binary forms, with or without
     11  1.1   simonb  * modification, are permitted provided that the following conditions
     12  1.1   simonb  * are met:
     13  1.1   simonb  * 1. Redistributions of source code must retain the above copyright
     14  1.1   simonb  *    notice, this list of conditions and the following disclaimer.
     15  1.1   simonb  * 2. Redistributions in binary form must reproduce the above copyright
     16  1.1   simonb  *    notice, this list of conditions and the following disclaimer in the
     17  1.1   simonb  *    documentation and/or other materials provided with the distribution.
     18  1.1   simonb  *
     19  1.1   simonb  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  1.1   simonb  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  1.1   simonb  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  1.1   simonb  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  1.1   simonb  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  1.1   simonb  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  1.1   simonb  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  1.1   simonb  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  1.1   simonb  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  1.1   simonb  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  1.1   simonb  * POSSIBILITY OF SUCH DAMAGE.
     30  1.1   simonb  */
     31  1.1   simonb 
     32  1.1   simonb #include <mips/asm.h>
     33  1.1   simonb #include <mips/cpuregs.h>
     34  1.1   simonb #include <machine/dec_prom.h>
     35  1.1   simonb 
     36  1.9  tsutsui 	.set	reorder		# make as(1) handle hazard and BDslot
     37  1.1   simonb LEAF(clear_cache)
     38  1.1   simonb 	lw	v0, _C_LABEL(callv)	# get pointer to call back vectors
     39  1.1   simonb 	lw	v0, 0x7c(v0)	# offset for callv->_clear_cache
     40  1.4   simonb 	j	v0		# call PROM clear_cache
     41  1.1   simonb END(clear_cache)
     42