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clear_cache.S revision 1.5.140.1 
      1  1.5.140.1    yamt /*	$NetBSD: clear_cache.S,v 1.5.140.1 2008/05/16 02:22:59 yamt 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        1.1  simonb LEAF(clear_cache)
     37        1.1  simonb 	lw	v0, _C_LABEL(callv)	# get pointer to call back vectors
     38        1.1  simonb 	lw	v0, 0x7c(v0)	# offset for callv->_clear_cache
     39        1.1  simonb 	nop
     40        1.4  simonb 	j	v0		# call PROM clear_cache
     41        1.1  simonb 	nop
     42        1.1  simonb END(clear_cache)
     43