Commit: 71d6ba15a556ac56ec08f83d06a5edeb735bc8ec - uboot (git)

Commit MetaInfo

• Revision: 71d6ba15a556ac56ec08f83d06a5edeb735bc8ec (tree)
• Time: 2014-02-23 14:26:29
• Author: Yoshinori Sato <ysato@user...>
• Commiter: Yoshinori Sato

Log Message

add constant_swab*

Change Summary

• modified: include/linux/byteorder/big_endian.h

Incremental Difference

--- a/include/linux/byteorder/big_endian.h
+++ b/include/linux/byteorder/big_endian.h
@@ -42,6 +42,12 @@
 #define __cpu_to_be16(x) ((__force __be16)(__u16)(x))
 #define __be16_to_cpu(x) ((__force __u16)(__be16)(x))
 
+#define ___constant_swab64(x) (___constant_swab32(x >> 32) | \
+			      ___constant_swab32(x & 0xffffffffUL) << 32)
+#define ___constant_swab32(x) (___constant_swab16(x >> 16) | \
+			      ___constant_swab16(x & 0xffff) << 16)
+#define ___constant_swab16(x) ((x >> 8) | ((x & 0xff) << 8))
+
 static inline __le64 __cpu_to_le64p(const __u64 *p)
 {
 	return (__force __le64)__swab64p(p);