| /* $Id: byteorder.h,v 1.1 2000/07/10 16:32:31 bjornw Exp $ */ |
| |
| #ifndef _CRIS_BYTEORDER_H |
| #define _CRIS_BYTEORDER_H |
| |
| #include <asm/types.h> |
| |
| #ifdef __GNUC__ |
| |
| /* 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__ __const__ __u32 ___arch__swab32(__u32 x) |
| { |
| __asm__ ("swapwb %0" : "=r" (x) : "0" (x)); |
| |
| return(x); |
| } |
| |
| static __inline__ __const__ __u16 ___arch__swab16(__u16 x) |
| { |
| __asm__ ("swapb %0" : "=r" (x) : "0" (x)); |
| |
| return(x); |
| } |
| |
| /* defines are necessary because the other files detect the presence |
| * of a defined __arch_swab32, not an inline |
| */ |
| |
| #define __arch__swab32(x) ___arch__swab32(x) |
| #define __arch__swab16(x) ___arch__swab16(x) |
| |
| #if !defined(__STRICT_ANSI__) || defined(__KERNEL__) |
| # define __BYTEORDER_HAS_U64__ |
| # define __SWAB_64_THRU_32__ |
| #endif |
| |
| #endif /* __GNUC__ */ |
| |
| #include <linux/byteorder/little_endian.h> |
| |
| #endif |
| |
| |
