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| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
|---|---|
| 2 | /* |
| 3 | * Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com) |
| 4 | */ |
| 5 | |
| 6 | #ifndef _ASM_ARC_ATOMIC_H |
| 7 | #define _ASM_ARC_ATOMIC_H |
| 8 | |
| 9 | #ifndef __ASSEMBLER__ |
| 10 | |
| 11 | #include <linux/types.h> |
| 12 | #include <linux/compiler.h> |
| 13 | #include <asm/cmpxchg.h> |
| 14 | #include <asm/barrier.h> |
| 15 | #include <asm/smp.h> |
| 16 | |
| 17 | #define arch_atomic_read(v) READ_ONCE((v)->counter) |
| 18 | |
| 19 | #ifdef CONFIG_ARC_HAS_LLSC |
| 20 | #include <asm/atomic-llsc.h> |
| 21 | #else |
| 22 | #include <asm/atomic-spinlock.h> |
| 23 | #endif |
| 24 | |
| 25 | /* |
| 26 | * 64-bit atomics |
| 27 | */ |
| 28 | #ifdef CONFIG_GENERIC_ATOMIC64 |
| 29 | #include <asm-generic/atomic64.h> |
| 30 | #else |
| 31 | #include <asm/atomic64-arcv2.h> |
| 32 | #endif |
| 33 | |
| 34 | #endif /* !__ASSEMBLER__ */ |
| 35 | |
| 36 | #endif |
| 37 |
Warning: This file is not a C or C++ file. It does not have highlighting.