patch-2.1.19 linux/include/asm-sparc64/unaligned.h

• Lines: 20
• Date: Mon Dec 30 12:00:03 1996
• Orig file: v2.1.18/linux/include/asm-sparc64/unaligned.h
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v2.1.18/linux/include/asm-sparc64/unaligned.h linux/include/asm-sparc64/unaligned.h
@@ -0,0 +1,19 @@
+#ifndef _ASM_SPARC64_UNALIGNED_H_
+#define _ASM_SPARC64_UNALIGNED_H_
+
+/* Sparc can't handle unaligned accesses. */
+
+#include <asm/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_SPARC64_UNALIGNED_H */