[PATCH 25/54] Add arch/nios2/include/asm/bitops.h

franck.jullien at gmail.com franck.jullien at gmail.com
Thu Mar 3 17:58:39 EST 2011


From: Franck JULLIEN <franck.jullien at gmail.com>

Add arch/nios2/include/asm/bitops.h

---
 arch/nios2/include/asm/bitops.h |   45 +++++++++++++++++++++++++++++++++++++++
 1 files changed, 45 insertions(+), 0 deletions(-)
 create mode 100644 arch/nios2/include/asm/bitops.h

diff --git a/arch/nios2/include/asm/bitops.h b/arch/nios2/include/asm/bitops.h
new file mode 100644
index 0000000..8108b0e
--- /dev/null
+++ b/arch/nios2/include/asm/bitops.h
@@ -0,0 +1,45 @@
+#ifndef __ASM_GENERIC_BITOPS_H
+#define __ASM_GENERIC_BITOPS_H
+
+/*
+ * For the benefit of those who are trying to port Linux to another
+ * architecture, here are some C-language equivalents.  You should
+ * recode these in the native assembly language, if at all possible.
+ *
+ * C language equivalents written by Theodore Ts'o, 9/26/92
+ */
+/*
+#include <asm/irqflags.h>
+#include <asm/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/__ffs.h>
+#include <asm/ffz.h>
+#include <asm/fls.h>
+#include <asm/__fls.h>
+#include <asm/fls64.h>
+#include <asm/find.h>
+*/
+#ifndef _LINUX_BITOPS_H
+#error only <linux/bitops.h> can be included directly
+#endif
+/*
+#include <asm/sched.h>
+#include <asm/ffs.h>
+#include <asm/hweight.h>
+#include <asm/lock.h>*/
+/*
+#include <asm/atomic.h>
+#include <asm/non-atomic.h>
+#include <asm/ext2-non-atomic.h>
+#include <asm/ext2-atomic.h>
+#include <asm/minix.h>*/
+
+#endif /* __ASM_GENERIC_BITOPS_H */
-- 
1.7.3.4




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