1 files changed, 84 insertions, 0 deletions
diff --git a/include/asm-m68k/byteorder.h b/include/asm-m68k/byteorder.h
new file mode 100644
index 000000000..c6c9fc1e9
--- /dev/null
+++ b/include/asm-m68k/byteorder.h
@@ -0,0 +1,84 @@
+#ifndef _M68K_BYTEORDER_H
+#define _M68K_BYTEORDER_H
+
+#ifndef __BIG_ENDIAN
+#define __BIG_ENDIAN 4321
+#endif
+
+#ifndef __BIG_ENDIAN_BITFIELD
+#define __BIG_ENDIAN_BITFIELD
+#endif
+
+#ifdef __KERNEL__
+#include <linux/config.h>
+#include <asm/types.h>
+
+/*
+ * In-kernel byte order macros to handle stuff like
+ * byte-order-dependent filesystems etc.
+ */
+
+#define le16_to_cpu(__val) __swab16(__val)
+#define le32_to_cpu(__val) __swab32(__val)
+#define cpu_to_le32(__val) __swab32(__val)
+#define cpu_to_le16(__val) __swab16(__val)
+
+extern __inline__ __u16 __swab16 (__u16 val)
+{
+	return (val << 8) | (val >> 8);
+}
+
+extern __inline__ __u32 __swab32 (__u32 val)
+{
+	__asm__ ("rolw #8,%0; swap %0; rolw #8,%0" : "=d" (val) : "0" (val));
+	return val;
+}
+
+#define cpu_to_be32(x) (x)
+#define be32_to_cpu(x) (x)
+#define cpu_to_be16(x) (x)
+#define be16_to_cpu(x) (x)
+
+#endif
+
+#undef ntohl
+#undef ntohs
+#undef htonl
+#undef htons
+
+extern unsigned long int	ntohl(unsigned long int);
+extern unsigned short int	ntohs(unsigned short int);
+extern unsigned long int	htonl(unsigned long int);
+extern unsigned short int	htons(unsigned short int);
+
+extern __inline__ unsigned long int	__ntohl(unsigned long int);
+extern __inline__ unsigned short int	__ntohs(unsigned short int);
+
+extern __inline__ unsigned long int
+__ntohl(unsigned long int x)
+{
+	return x;
+}
+
+extern __inline__ unsigned short int
+__ntohs(unsigned short int x)
+{
+	return x;
+}
+
+#define __htonl(x) __ntohl(x)
+#define __htons(x) __ntohs(x)
+
+#define __constant_htonl(x) (x)
+#define __constant_htons(x) (x)
+#define __constant_ntohl(x) (x)
+#define __constant_ntohs(x) (x)
+
+#ifdef __OPTIMIZE__
+#define ntohl(x) __ntohl(x)
+#define ntohs(x) __ntohs(x)
+#define htonl(x) __htonl(x)
+#define htons(x) __htons(x)
+#endif
+
+#endif