mirror of
https://codeberg.org/ziglang/zig.git
synced 2026-04-29 12:08:48 +03:00
Alex Rønne Petersen
66d97267c7
This excludes all headers in /usr/include/dev because that directory is bonkers huge (18M). We can add these on an as-needed basis.
45 lines
1.4 KiB
C
Vendored
45 lines
1.4 KiB
C
Vendored
/* $OpenBSD: atomic.h,v 1.3 2020/07/08 15:53:59 visa Exp $ */
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/*
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* Copyright (c) 2017 Visa Hankala
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _OCTEON_ATOMIC_H_
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#define _OCTEON_ATOMIC_H_
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#ifdef _KERNEL
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static inline void
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octeon_syncw(void)
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{
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__asm__ volatile (
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" .set push\n"
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" .set arch=octeon\n"
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/* Issue the barrier twice to work around CN3xxx erratum Core-401.
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* A single syncw might not enforce write ordering properly. */
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" syncw\n"
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" syncw\n"
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" .set pop\n"
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: : : "memory");
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}
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#define membar_consumer() __asm__ volatile ("" : : : "memory")
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#define membar_producer() octeon_syncw()
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#endif /* _KERNEL */
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#include <mips64/atomic.h>
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#endif /* !_OCTEON_ATOMIC_H_ */ |