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authorDavid Howells <dhowells@redhat.com>2012-03-28 19:30:02 +0200
committerDavid Howells <dhowells@redhat.com>2012-03-28 19:30:02 +0200
commitc40d04df152a1111c5bbcb632278394dabd2b73d (patch)
tree84e9426bea45852e2333308116a69b5743655ee3 /arch/microblaze/include/asm/barrier.h
parentDisintegrate asm/system.h for M68K (diff)
downloadlinux-c40d04df152a1111c5bbcb632278394dabd2b73d.tar.xz
linux-c40d04df152a1111c5bbcb632278394dabd2b73d.zip
Disintegrate asm/system.h for Microblaze
Disintegrate asm/system.h for Microblaze. Not compiled. Signed-off-by: David Howells <dhowells@redhat.com> cc: microblaze-uclinux@itee.uq.edu.au
Diffstat (limited to 'arch/microblaze/include/asm/barrier.h')
-rw-r--r--arch/microblaze/include/asm/barrier.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/barrier.h b/arch/microblaze/include/asm/barrier.h
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index 000000000000..df5be3e87044
--- /dev/null
+++ b/arch/microblaze/include/asm/barrier.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2006 Atmark Techno, Inc.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef _ASM_MICROBLAZE_BARRIER_H
+#define _ASM_MICROBLAZE_BARRIER_H
+
+#define nop() asm volatile ("nop")
+
+#define smp_read_barrier_depends() do {} while (0)
+#define read_barrier_depends() do {} while (0)
+
+#define mb() barrier()
+#define rmb() mb()
+#define wmb() mb()
+#define set_mb(var, value) do { var = value; mb(); } while (0)
+#define set_wmb(var, value) do { var = value; wmb(); } while (0)
+
+#define smp_mb() mb()
+#define smp_rmb() rmb()
+#define smp_wmb() wmb()
+
+#endif /* _ASM_MICROBLAZE_BARRIER_H */