Commit 292b4d09 authored by Harvey Harrison's avatar Harvey Harrison Committed by Linus Torvalds
Browse files

avr32: introduce asm/swab.h


Signed-off-by: default avatarHarvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 991c0e6d
include include/asm-generic/Kbuild.asm
header-y += swab.h
header-y += cachectl.h
......@@ -4,34 +4,7 @@
#ifndef __ASM_AVR32_BYTEORDER_H
#define __ASM_AVR32_BYTEORDER_H
#include <asm/types.h>
#include <linux/compiler.h>
#include <asm/swab.h>
#include <linux/byteorder/big_endian.h>
#define __BIG_ENDIAN
#define __SWAB_64_THRU_32__
#ifdef __CHECKER__
extern unsigned long __builtin_bswap_32(unsigned long x);
extern unsigned short __builtin_bswap_16(unsigned short x);
#endif
/*
* avr32-linux-gcc versions earlier than 4.2 improperly sign-extends
* the result.
*/
#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2)
static inline __attribute_const__ __u16 __arch_swab16(__u16 val)
{
return __builtin_bswap_16(val);
}
#define __arch_swab16 __arch_swab16
static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
return __builtin_bswap_32(val);
}
#define __arch_swab32 __arch_swab32
#endif
#include <linux/byteorder.h>
#endif /* __ASM_AVR32_BYTEORDER_H */
/*
* AVR32 byteswapping functions.
*/
#ifndef __ASM_AVR32_SWAB_H
#define __ASM_AVR32_SWAB_H
#include <asm/types.h>
#include <linux/compiler.h>
#define __SWAB_64_THRU_32__
#ifdef __CHECKER__
extern unsigned long __builtin_bswap_32(unsigned long x);
extern unsigned short __builtin_bswap_16(unsigned short x);
#endif
/*
* avr32-linux-gcc versions earlier than 4.2 improperly sign-extends
* the result.
*/
#if !(__GNUC__ == 4 && __GNUC_MINOR__ < 2)
static inline __attribute_const__ __u16 __arch_swab16(__u16 val)
{
return __builtin_bswap_16(val);
}
#define __arch_swab16 __arch_swab16
static inline __attribute_const__ __u32 __arch_swab32(__u32 val)
{
return __builtin_bswap_32(val);
}
#define __arch_swab32 __arch_swab32
#endif
#endif /* __ASM_AVR32_SWAB_H */
Supports Markdown
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment