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authorTony Luck <tony.luck@intel.com>2005-08-30 09:30:09 -0700
committerTony Luck <tony.luck@intel.com>2005-08-30 09:30:09 -0700
commit288ceb8f142249109fd2e9f1bf0492bd6ff6d892 (patch)
treeeab3d229c7a527816db405299ce9603e538b521f /include/asm-powerpc/unaligned.h
parente438befd76a5a743725a89365140a8a7bf276096 (diff)
parentd8971fcb702e24d1e22c77fd1772f182ffee87e3 (diff)
Auto-update from upstream
Diffstat (limited to 'include/asm-powerpc/unaligned.h')
-rw-r--r--include/asm-powerpc/unaligned.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/include/asm-powerpc/unaligned.h b/include/asm-powerpc/unaligned.h
new file mode 100644
index 00000000000..45520d9b85d
--- /dev/null
+++ b/include/asm-powerpc/unaligned.h
@@ -0,0 +1,18 @@
+#ifdef __KERNEL__
+#ifndef __PPC_UNALIGNED_H
+#define __PPC_UNALIGNED_H
+
+/*
+ * The PowerPC can do unaligned accesses itself in big endian mode.
+ *
+ * The strange macros are there to make sure these can't
+ * be misused in a way that makes them not work on other
+ * architectures where unaligned accesses aren't as simple.
+ */
+
+#define get_unaligned(ptr) (*(ptr))
+
+#define put_unaligned(val, ptr) ((void)( *(ptr) = (val) ))
+
+#endif
+#endif /* __KERNEL__ */