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authorJonas Bonn <jonas@southpole.se>2011-06-04 23:43:49 +0400
committerJonas Bonn <jonas@southpole.se>2011-07-22 20:46:39 +0400
commit58e0166a4772aaeb10c9b0f6d59f19099d2047df (patch)
tree9b4407ee02d1364a98ddb1604143444ff2bf7631 /arch/openrisc/include/asm/bitops.h
parent769a8a96229e6b2f1e3a2b3b38e27981f7fb9902 (diff)
downloadlinux-58e0166a4772aaeb10c9b0f6d59f19099d2047df.tar.xz
OpenRISC: Headers
Signed-off-by: Jonas Bonn <jonas@southpole.se> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/openrisc/include/asm/bitops.h')
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diff --git a/arch/openrisc/include/asm/bitops.h b/arch/openrisc/include/asm/bitops.h
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+/*
+ * OpenRISC Linux
+ *
+ * Linux architectural port borrowing liberally from similar works of
+ * others. All original copyrights apply as per the original source
+ * declaration.
+ *
+ * OpenRISC implementation:
+ * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
+ * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
+ * et al.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __ASM_OPENRISC_BITOPS_H
+#define __ASM_OPENRISC_BITOPS_H
+
+/*
+ * Where we haven't written assembly versions yet, we fall back to the
+ * generic implementations. Otherwise, we pull in our (hopefully)
+ * optimized versions.
+ */
+
+#include <linux/irqflags.h>
+#include <linux/compiler.h>
+
+/*
+ * clear_bit may not imply a memory barrier
+ */
+#ifndef smp_mb__before_clear_bit
+#define smp_mb__before_clear_bit() smp_mb()
+#define smp_mb__after_clear_bit() smp_mb()
+#endif
+
+#include <asm/bitops/__ffs.h>
+#include <asm-generic/bitops/ffz.h>
+#include <asm/bitops/fls.h>
+#include <asm/bitops/__fls.h>
+#include <asm-generic/bitops/fls64.h>
+#include <asm-generic/bitops/find.h>
+
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+
+#include <asm-generic/bitops/sched.h>
+#include <asm/bitops/ffs.h>
+#include <asm-generic/bitops/hweight.h>
+#include <asm-generic/bitops/lock.h>
+
+#include <asm-generic/bitops/atomic.h>
+#include <asm-generic/bitops/non-atomic.h>
+#include <asm-generic/bitops/ext2-atomic.h>
+
+#endif /* __ASM_GENERIC_BITOPS_H */