[net-next-2.6.git] / arch / cris / include / arch-v10 / arch / byteorder.h

#ifndef _CRIS_ARCH_BYTEORDER_H
#define _CRIS_ARCH_BYTEORDER_H

#include <asm/types.h>
#include <linux/compiler.h>

/* we just define these two (as we can do the swap in a single
 * asm instruction in CRIS) and the arch-independent files will put
 * them together into ntohl etc.
 */

static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
{
	__asm__ ("swapwb %0" : "=r" (x) : "0" (x));
  
	return(x);
}

static inline __attribute_const__ __u16 ___arch__swab16(__u16 x)
{
	__asm__ ("swapb %0" : "=r" (x) : "0" (x));
	
	return(x);
}

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef _CRIS_ARCH_BYTEORDER_H
	2	#define _CRIS_ARCH_BYTEORDER_H
	3
	4	#include <asm/types.h>
	5	#include <linux/compiler.h>
	6
	7	/* we just define these two (as we can do the swap in a single
	8	* asm instruction in CRIS) and the arch-independent files will put
	9	* them together into ntohl etc.
	10	*/
	11
d9b5444e	12	static inline __attribute_const__ __u32 ___arch__swab32(__u32 x)
1da177e4 LT	13	{
	14	__asm__ ("swapwb %0" : "=r" (x) : "0" (x));
	15
	16	return(x);
	17	}
	18
d9b5444e	19	static inline __attribute_const__ __u16 ___arch__swab16(__u16 x)
1da177e4 LT	20	{
	21	__asm__ ("swapb %0" : "=r" (x) : "0" (x));
	22
	23	return(x);
	24	}
	25
	26	#endif