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Cacheflush support code for mips CPUs.

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Used by GCC's lexical-closure trampoline code.
This commit is contained in:
jonathan 1997-10-17 06:29:02 +00:00
parent 03e80bf7ea
commit aae966edfa
2 changed files with 58 additions and 1 deletions
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5
lib/libc/arch/mips/gen/Makefile.inc
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@ -1,6 +1,9 @@
# $NetBSD: Makefile.inc,v 1.4 1995/12/15 01:12:36 jonathan Exp $
# $NetBSD: Makefile.inc,v 1.5 1997/10/17 06:29:02 jonathan Exp $
SRCS+= _setjmp.S fabs.S frexp.c infinity.c isinf.S ldexp.S modf.S
SRCS+= flt_rounds.c fpgetmask.c fpgetround.c fpgetsticky.c fpsetmask.c \
fpsetround.c fpsetsticky.c
SRCS+= setjmp.S sigsetjmp.S
# mips abi builtin extensions (used by GCC for lexical-closure trampoline)
SRCS+= cacheflush.c

54
lib/libc/arch/mips/gen/cacheflush.c Normal file
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/* $NetBSD: cacheflush.c,v 1.1 1997/10/17 06:29:07 jonathan Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jonathan Stone.
*
* 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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 <sys/types.h>
#include <mips/cachectl.h>
#include <mips/sysarch.h>
int
_cacheflush(addr, nbytes, whichcache)
void * addr;
int nbytes, whichcache;
{
struct mips_cacheflush_args cfa;
cfa.va = (vm_offset_t) addr;
cfa.nbytes = nbytes;
cfa.whichcache = whichcache;
return (sysarch(MIPS_CACHEFLUSH, (char*)&cfa));
}