1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#ifndef _ASM_POWERPC_SWAB_H
#define _ASM_POWERPC_SWAB_H
#include <uapi/asm/swab.h>
static __inline__ __u16 ld_le16(const volatile __u16 *addr)
{
__u16 val;
__asm__ __volatile__ ("lhbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
return val;
}
static __inline__ void st_le16(volatile __u16 *addr, const __u16 val)
{
__asm__ __volatile__ ("sthbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
}
static __inline__ __u32 ld_le32(const volatile __u32 *addr)
{
__u32 val;
__asm__ __volatile__ ("lwbrx %0,0,%1" : "=r" (val) : "r" (addr), "m" (*addr));
return val;
}
static __inline__ void st_le32(volatile __u32 *addr, const __u32 val)
{
__asm__ __volatile__ ("stwbrx %1,0,%2" : "=m" (*addr) : "r" (val), "r" (addr));
}
#endif /* _ASM_POWERPC_SWAB_H */
|
