patch-2.4.22 linux-2.4.22/include/asm-sh64/unaligned.h

• Lines: 31
• Date: 2003-08-25 04:44:44.000000000 -0700
• Orig file: linux-2.4.21/include/asm-sh64/unaligned.h
• Orig date: 1969-12-31 16:00:00.000000000 -0800

diff -urN linux-2.4.21/include/asm-sh64/unaligned.h linux-2.4.22/include/asm-sh64/unaligned.h
@@ -0,0 +1,30 @@
+#ifndef __ASM_SH64_UNALIGNED_H
+#define __ASM_SH64_UNALIGNED_H
+
+/*
+ * 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.
+ *
+ * include/asm-sh64/unaligned.h
+ *
+ * Copyright (C) 2000, 2001  Paolo Alberelli
+ *
+ * SH can't handle unaligned accesses.
+ *
+ */
+
+#include <linux/string.h>
+
+
+/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
+
+#define get_unaligned(ptr) \
+  ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
+
+#define put_unaligned(val, ptr)				\
+  ({ __typeof__(*(ptr)) __tmp = (val);			\
+     memmove((ptr), &__tmp, sizeof(*(ptr)));		\
+     (void)0; })
+
+#endif /* __ASM_SH64_UNALIGNED_H */