62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/* $NetBSD: rumpuser_cache.c,v 1.1 2014/06/17 06:31:47 alnsn Exp $ */
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/*-
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* Copyright (c) 2014 Alexander Nasonov.
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* All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "rumpuser_port.h"
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#if !defined(lint)
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__RCSID("$NetBSD: rumpuser_cache.c,v 1.1 2014/06/17 06:31:47 alnsn Exp $");
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#endif /* !lint */
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#include <sys/types.h>
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#include <machine/sysarch.h>
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#include <machine/types.h>
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#include <rump/rumpuser.h>
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int
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rumpuser_sync_icache(void *addr, uint64_t len)
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{
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#if defined(__arm__)
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/*
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* arm_sync_icache is recommended over sysarch but
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* it adds a link dependency -l${MACHINE_CPU}.
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*/
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struct arm_sync_icache_args args;
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args.addr = (uintptr_t)addr;
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args.len = (size_t)len;
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return sysarch(ARM_SYNC_ICACHE, (void *)&args);
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#else /* XXX mips_icache_sync_range */
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return 0;
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#endif
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}
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