asm-generic/unaligned.h: dynamic default unaligned accesses
authorMike Frysinger <vapier@gentoo.org>
Thu, 21 Jan 2010 10:01:14 +0000 (05:01 -0500)
committerWolfgang Denk <wd@denx.de>
Sat, 13 Mar 2010 23:10:09 +0000 (00:10 +0100)
This is based on the asm-arm/unaligned.h, but made generic so all arches
that cannot do unaligned accesses can utilize it.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
include/asm-generic/unaligned.h [new file with mode: 0644]

diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h
new file mode 100644 (file)
index 0000000..fd02550
--- /dev/null
@@ -0,0 +1,23 @@
+#ifndef _GENERIC_UNALIGNED_H
+#define _GENERIC_UNALIGNED_H
+
+#include <asm/byteorder.h>
+
+#include <linux/unaligned/le_byteshift.h>
+#include <linux/unaligned/be_byteshift.h>
+#include <linux/unaligned/generic.h>
+
+/*
+ * Select endianness
+ */
+#if defined(__LITTLE_ENDIAN)
+#define get_unaligned  __get_unaligned_le
+#define put_unaligned  __put_unaligned_le
+#elif defined(__BIG_ENDIAN)
+#define get_unaligned  __get_unaligned_be
+#define put_unaligned  __put_unaligned_be
+#else
+#error invalid endian
+#endif
+
+#endif