summaryrefslogtreecommitdiffstats
path: root/include/asm-h8300/unaligned.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-h8300/unaligned.h')
-rw-r--r--include/asm-h8300/unaligned.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/asm-h8300/unaligned.h b/include/asm-h8300/unaligned.h
new file mode 100644
index 0000000..8a93961
--- /dev/null
+++ b/include/asm-h8300/unaligned.h
@@ -0,0 +1,16 @@
+#ifndef __H8300_UNALIGNED_H
+#define __H8300_UNALIGNED_H
+
+#include <linux/config.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
OpenPOWER on IntegriCloud