68cad68149
It's used to ignore virtual addresses that may have a different physical address depending on the CPU. Sponsored by: DARPA, AFRL
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/* $NetBSD: csan.h,v 1.2 2019/11/06 06:57:22 maxv Exp $ */
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/*
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* Copyright (c) 2019 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Maxime Villard.
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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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#include <machine/cpufunc.h>
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#include <machine/stack.h>
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#include <machine/vmparam.h>
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static inline bool
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kcsan_md_unsupported(vm_offset_t addr)
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{
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return false;
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}
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static inline bool
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kcsan_md_is_avail(void)
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{
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return true;
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}
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static inline void
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kcsan_md_disable_intrs(uint64_t *state)
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{
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*state = intr_disable();
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}
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static inline void
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kcsan_md_enable_intrs(uint64_t *state)
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{
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intr_restore(*state);
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}
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static inline void
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kcsan_md_delay(uint64_t us)
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{
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DELAY(us);
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}
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static void
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kcsan_md_unwind(void)
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{
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}
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