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kernel add
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/*
* Copyright (C) 2011 Texas Instruments Incorporated
* Author: Mark Salter <msalter@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef _ASM_C6X_SWAB_H
#define _ASM_C6X_SWAB_H
static inline __attribute_const__ __u16 __c6x_swab16(__u16 val)
{
asm("swap4 .l1 %0,%0
" : "+a"(val));
return val;
}
static inline __attribute_const__ __u32 __c6x_swab32(__u32 val)
{
asm("swap4 .l1 %0,%0
"
"swap2 .l1 %0,%0
"
: "+a"(val));
return val;
}
static inline __attribute_const__ __u64 __c6x_swab64(__u64 val)
{
asm(" swap2 .s1 %p0,%P0
"
"|| swap2 .l1 %P0,%p0
"
" swap4 .l1 %p0,%p0
"
" swap4 .l1 %P0,%P0
"
: "+a"(val));
return val;
}
static inline __attribute_const__ __u32 __c6x_swahw32(__u32 val)
{
asm("swap2 .l1 %0,%0
" : "+a"(val));
return val;
}
static inline __attribute_const__ __u32 __c6x_swahb32(__u32 val)
{
asm("swap4 .l1 %0,%0
" : "+a"(val));
return val;
}
#define __arch_swab16 __c6x_swab16
#define __arch_swab32 __c6x_swab32
#define __arch_swab64 __c6x_swab64
#define __arch_swahw32 __c6x_swahw32
#define __arch_swahb32 __c6x_swahb32
#endif /* _ASM_C6X_SWAB_H */
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