Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1#ifndef _SPARC_BYTEORDER_H
2#define _SPARC_BYTEORDER_H
3
4#include <asm/types.h>
5#include <asm/asi.h>
6
7#ifdef __GNUC__
8
9#ifdef CONFIG_SPARC32
10#define __SWAB_64_THRU_32__
11#endif
12
13#ifdef CONFIG_SPARC64
14
15static inline __u16 ___arch__swab16p(const __u16 *addr)
16{
17 __u16 ret;
18
19 __asm__ __volatile__ ("lduha [%1] %2, %0"
20 : "=r" (ret)
21 : "r" (addr), "i" (ASI_PL));
22 return ret;
23}
24
25static inline __u32 ___arch__swab32p(const __u32 *addr)
26{
27 __u32 ret;
28
29 __asm__ __volatile__ ("lduwa [%1] %2, %0"
30 : "=r" (ret)
31 : "r" (addr), "i" (ASI_PL));
32 return ret;
33}
34
35static inline __u64 ___arch__swab64p(const __u64 *addr)
36{
37 __u64 ret;
38
39 __asm__ __volatile__ ("ldxa [%1] %2, %0"
40 : "=r" (ret)
41 : "r" (addr), "i" (ASI_PL));
42 return ret;
43}
44
45#define __arch__swab16p(x) ___arch__swab16p(x)
46#define __arch__swab32p(x) ___arch__swab32p(x)
47#define __arch__swab64p(x) ___arch__swab64p(x)
48
49#endif /* CONFIG_SPARC64 */
50
51#define __BYTEORDER_HAS_U64__
52
53#endif
54
55#include <linux/byteorder/big_endian.h>
56
57#endif /* _SPARC_BYTEORDER_H */