1 files changed, 61 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h
new file mode 100644
index 000000000..60ce2fe57
--- /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 <prumpf@tux.org>.
+ */
+
+#ifndef __ARCH_SPARC_ATOMIC__
+#define __ARCH_SPARC_ATOMIC__
+
+#include <linux/types.h>
+
+#include <asm/cmpxchg.h>
+#include <asm/barrier.h>
+#include <asm-generic/atomic64.h>
+
+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__) */