162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* atomic.h: These still suck, but the I-cache hit rate is higher. 362306a36Sopenharmony_ci * 462306a36Sopenharmony_ci * Copyright (C) 1996 David S. Miller (davem@davemloft.net) 562306a36Sopenharmony_ci * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au) 662306a36Sopenharmony_ci * Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org) 762306a36Sopenharmony_ci * 862306a36Sopenharmony_ci * Additions by Keith M Wesolowski (wesolows@foobazco.org) based 962306a36Sopenharmony_ci * on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org>. 1062306a36Sopenharmony_ci */ 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci#ifndef __ARCH_SPARC_ATOMIC__ 1362306a36Sopenharmony_ci#define __ARCH_SPARC_ATOMIC__ 1462306a36Sopenharmony_ci 1562306a36Sopenharmony_ci#include <linux/types.h> 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci#include <asm/cmpxchg.h> 1862306a36Sopenharmony_ci#include <asm/barrier.h> 1962306a36Sopenharmony_ci#include <asm-generic/atomic64.h> 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ciint arch_atomic_add_return(int, atomic_t *); 2262306a36Sopenharmony_ci#define arch_atomic_add_return arch_atomic_add_return 2362306a36Sopenharmony_ci 2462306a36Sopenharmony_ciint arch_atomic_fetch_add(int, atomic_t *); 2562306a36Sopenharmony_ci#define arch_atomic_fetch_add arch_atomic_fetch_add 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ciint arch_atomic_fetch_and(int, atomic_t *); 2862306a36Sopenharmony_ci#define arch_atomic_fetch_and arch_atomic_fetch_and 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ciint arch_atomic_fetch_or(int, atomic_t *); 3162306a36Sopenharmony_ci#define arch_atomic_fetch_or arch_atomic_fetch_or 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_ciint arch_atomic_fetch_xor(int, atomic_t *); 3462306a36Sopenharmony_ci#define arch_atomic_fetch_xor arch_atomic_fetch_xor 3562306a36Sopenharmony_ci 3662306a36Sopenharmony_ciint arch_atomic_cmpxchg(atomic_t *, int, int); 3762306a36Sopenharmony_ci#define arch_atomic_cmpxchg arch_atomic_cmpxchg 3862306a36Sopenharmony_ci 3962306a36Sopenharmony_ciint arch_atomic_xchg(atomic_t *, int); 4062306a36Sopenharmony_ci#define arch_atomic_xchg arch_atomic_xchg 4162306a36Sopenharmony_ci 4262306a36Sopenharmony_ciint arch_atomic_fetch_add_unless(atomic_t *, int, int); 4362306a36Sopenharmony_ci#define arch_atomic_fetch_add_unless arch_atomic_fetch_add_unless 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_civoid arch_atomic_set(atomic_t *, int); 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ci#define arch_atomic_set_release(v, i) arch_atomic_set((v), (i)) 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ci#define arch_atomic_read(v) READ_ONCE((v)->counter) 5062306a36Sopenharmony_ci 5162306a36Sopenharmony_ci#define arch_atomic_add(i, v) ((void)arch_atomic_add_return( (int)(i), (v))) 5262306a36Sopenharmony_ci#define arch_atomic_sub(i, v) ((void)arch_atomic_add_return(-(int)(i), (v))) 5362306a36Sopenharmony_ci 5462306a36Sopenharmony_ci#define arch_atomic_and(i, v) ((void)arch_atomic_fetch_and((i), (v))) 5562306a36Sopenharmony_ci#define arch_atomic_or(i, v) ((void)arch_atomic_fetch_or((i), (v))) 5662306a36Sopenharmony_ci#define arch_atomic_xor(i, v) ((void)arch_atomic_fetch_xor((i), (v))) 5762306a36Sopenharmony_ci 5862306a36Sopenharmony_ci#define arch_atomic_sub_return(i, v) (arch_atomic_add_return(-(int)(i), (v))) 5962306a36Sopenharmony_ci#define arch_atomic_fetch_sub(i, v) (arch_atomic_fetch_add (-(int)(i), (v))) 6062306a36Sopenharmony_ci 6162306a36Sopenharmony_ci#endif /* !(__ARCH_SPARC_ATOMIC__) */ 62