---

yaml --- r: 16768 b: refs/heads/master c: 6351610 h: refs/heads/master v: v3
git-mirror · Jan 7, 2006 · 4c39d83 · 4c39d83
1 parent cbc6674
commit 4c39d83
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Showing 2 changed files with 15 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2c041f4b9be5cecbd0a042ecd9122a9db6f50416
+refs/heads/master: 6351610d6906aacbf9176cbdd045dd3876eec4c0
diff --git a/trunk/include/asm-arm/byteorder.h b/trunk/include/asm-arm/byteorder.h
@@ -15,9 +15,22 @@
 #ifndef __ASM_ARM_BYTEORDER_H
 #define __ASM_ARM_BYTEORDER_H
 
-
 #include <asm/types.h>
 
+static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
+{
+	__u32 t;
+
+	t = x ^ ((x << 16) | (x >> 16));	/* eor r1,r0,r0,ror #16  */
+	x = (x << 24) | (x >> 8);		/* mov r0,r0,ror #8      */
+	t &= ~0x00FF0000;			/* bic r1,r1,#0x00FF0000 */
+	x ^= (t >> 8);				/* eor r0,r0,r1,lsr #8   */
+
+	return x;
+}
+
+#define __arch__swab32(x) ___arch__swab32(x)
+
 #if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
 #  define __BYTEORDER_HAS_U64__
 #  define __SWAB_64_THRU_32__