From 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 12:05:51 +0200 Subject: Adding upstream version 5.10.209. Signed-off-by: Daniel Baumann --- arch/sparc/include/asm/atomic_32.h | 47 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 arch/sparc/include/asm/atomic_32.h (limited to 'arch/sparc/include/asm/atomic_32.h') diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h new file mode 100644 index 000000000..efad5532f --- /dev/null +++ b/arch/sparc/include/asm/atomic_32.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* atomic.h: These still suck, but the I-cache hit rate is higher. + * + * Copyright (C) 1996 David S. Miller (davem@davemloft.net) + * Copyright (C) 2000 Anton Blanchard (anton@linuxcare.com.au) + * Copyright (C) 2007 Kyle McMartin (kyle@parisc-linux.org) + * + * Additions by Keith M Wesolowski (wesolows@foobazco.org) based + * on asm-parisc/atomic.h Copyright (C) 2000 Philipp Rumpf . + */ + +#ifndef __ARCH_SPARC_ATOMIC__ +#define __ARCH_SPARC_ATOMIC__ + +#include + +#include +#include +#include + +int atomic_add_return(int, atomic_t *); +int atomic_fetch_add(int, atomic_t *); +int atomic_fetch_and(int, atomic_t *); +int atomic_fetch_or(int, atomic_t *); +int atomic_fetch_xor(int, atomic_t *); +int atomic_cmpxchg(atomic_t *, int, int); +int atomic_xchg(atomic_t *, int); +int atomic_fetch_add_unless(atomic_t *, int, int); +void atomic_set(atomic_t *, int); + +#define atomic_fetch_add_unless atomic_fetch_add_unless + +#define atomic_set_release(v, i) atomic_set((v), (i)) + +#define atomic_read(v) READ_ONCE((v)->counter) + +#define atomic_add(i, v) ((void)atomic_add_return( (int)(i), (v))) +#define atomic_sub(i, v) ((void)atomic_add_return(-(int)(i), (v))) + +#define atomic_and(i, v) ((void)atomic_fetch_and((i), (v))) +#define atomic_or(i, v) ((void)atomic_fetch_or((i), (v))) +#define atomic_xor(i, v) ((void)atomic_fetch_xor((i), (v))) + +#define atomic_sub_return(i, v) (atomic_add_return(-(int)(i), (v))) +#define atomic_fetch_sub(i, v) (atomic_fetch_add (-(int)(i), (v))) + +#endif /* !(__ARCH_SPARC_ATOMIC__) */ -- cgit v1.2.3