From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/sparc/include/asm/atomic_32.h | 61 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 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 0000000000..60ce2fe57f --- /dev/null +++ b/arch/sparc/include/asm/atomic_32.h @@ -0,0 +1,61 @@ +/* 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 arch_atomic_add_return(int, atomic_t *); +#define arch_atomic_add_return arch_atomic_add_return + +int arch_atomic_fetch_add(int, atomic_t *); +#define arch_atomic_fetch_add arch_atomic_fetch_add + +int arch_atomic_fetch_and(int, atomic_t *); +#define arch_atomic_fetch_and arch_atomic_fetch_and + +int arch_atomic_fetch_or(int, atomic_t *); +#define arch_atomic_fetch_or arch_atomic_fetch_or + +int arch_atomic_fetch_xor(int, atomic_t *); +#define arch_atomic_fetch_xor arch_atomic_fetch_xor + +int arch_atomic_cmpxchg(atomic_t *, int, int); +#define arch_atomic_cmpxchg arch_atomic_cmpxchg + +int arch_atomic_xchg(atomic_t *, int); +#define arch_atomic_xchg arch_atomic_xchg + +int arch_atomic_fetch_add_unless(atomic_t *, int, int); +#define arch_atomic_fetch_add_unless arch_atomic_fetch_add_unless + +void arch_atomic_set(atomic_t *, int); + +#define arch_atomic_set_release(v, i) arch_atomic_set((v), (i)) + +#define arch_atomic_read(v) READ_ONCE((v)->counter) + +#define arch_atomic_add(i, v) ((void)arch_atomic_add_return( (int)(i), (v))) +#define arch_atomic_sub(i, v) ((void)arch_atomic_add_return(-(int)(i), (v))) + +#define arch_atomic_and(i, v) ((void)arch_atomic_fetch_and((i), (v))) +#define arch_atomic_or(i, v) ((void)arch_atomic_fetch_or((i), (v))) +#define arch_atomic_xor(i, v) ((void)arch_atomic_fetch_xor((i), (v))) + +#define arch_atomic_sub_return(i, v) (arch_atomic_add_return(-(int)(i), (v))) +#define arch_atomic_fetch_sub(i, v) (arch_atomic_fetch_add (-(int)(i), (v))) + +#endif /* !(__ARCH_SPARC_ATOMIC__) */ -- cgit v1.2.3