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c0fc170c78
These are already provided by the generic include/atomic.h. Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com>
28 lines
1.0 KiB
C
28 lines
1.0 KiB
C
/* Atomic operations. OpenRISC version.
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Copyright (C) 2022-2025 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library. If not, see
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<https://www.gnu.org/licenses/>. */
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#ifndef __OR1K_ATOMIC_H_
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#define __OR1K_ATOMIC_H_
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#define __HAVE_64B_ATOMICS 0
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#define ATOMIC_EXCHANGE_USES_CAS 1
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#define atomic_full_barrier() ({ asm volatile ("l.msync" ::: "memory"); })
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#endif /* atomic-machine.h */
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