aboutsummaryrefslogtreecommitdiff
path: root/include/asm-m32r/unaligned.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-m32r/unaligned.h')
-rw-r--r--include/asm-m32r/unaligned.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-m32r/unaligned.h b/include/asm-m32r/unaligned.h
new file mode 100644
index 00000000000..3aef9ac8d3a
--- /dev/null
+++ b/include/asm-m32r/unaligned.h
@@ -0,0 +1,25 @@
+#ifndef _ASM_M32R_UNALIGNED_H
+#define _ASM_M32R_UNALIGNED_H
+
+/* $Id$ */
+
+/* orig : generic 2.4.18 */
+
+/*
+ * For the benefit of those who are trying to port Linux to another
+ * architecture, here are some C-language equivalents.
+ */
+
+#include <asm/string.h>
+
+
+#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_M32R_UNALIGNED_H */