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authorDavid S. Miller <davem@sunset.davemloft.net>2007-11-16 05:59:58 -0500
committerDavid S. Miller <davem@davemloft.net>2008-02-09 07:17:28 -0500
commitf610bbc6accaacdf46501208178ff77c4422587a (patch)
treeb8fa7221db53dffe0a8834f82a0328ae9fb24420
parent145dea009828df7b091e7f7f24497ceb12dbbb3d (diff)
[SPARC]: Merge asm-sparc{,64}/byteorder.h
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--include/asm-sparc/byteorder.h51
-rw-r--r--include/asm-sparc64/byteorder.h50
2 files changed, 48 insertions, 53 deletions
diff --git a/include/asm-sparc/byteorder.h b/include/asm-sparc/byteorder.h
index a2949aea48ef..bcd83aa351c5 100644
--- a/include/asm-sparc/byteorder.h
+++ b/include/asm-sparc/byteorder.h
@@ -1,12 +1,55 @@
1/* $Id: byteorder.h,v 1.15 1997/12/16 19:20:44 davem Exp $ */
2#ifndef _SPARC_BYTEORDER_H 1#ifndef _SPARC_BYTEORDER_H
3#define _SPARC_BYTEORDER_H 2#define _SPARC_BYTEORDER_H
4 3
5#include <asm/types.h> 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__
6 52
7#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__)
8# define __BYTEORDER_HAS_U64__
9# define __SWAB_64_THRU_32__
10#endif 53#endif
11 54
12#include <linux/byteorder/big_endian.h> 55#include <linux/byteorder/big_endian.h>
diff --git a/include/asm-sparc64/byteorder.h b/include/asm-sparc64/byteorder.h
index 3943022906fd..f672855bee17 100644
--- a/include/asm-sparc64/byteorder.h
+++ b/include/asm-sparc64/byteorder.h
@@ -1,49 +1 @@
1#ifndef _SPARC64_BYTEORDER_H #include <asm-sparc/byteorder.h>
2#define _SPARC64_BYTEORDER_H
3
4#include <asm/types.h>
5#include <asm/asi.h>
6
7#ifdef __GNUC__
8
9static inline __u16 ___arch__swab16p(const __u16 *addr)
10{
11 __u16 ret;
12
13 __asm__ __volatile__ ("lduha [%1] %2, %0"
14 : "=r" (ret)
15 : "r" (addr), "i" (ASI_PL));
16 return ret;
17}
18
19static inline __u32 ___arch__swab32p(const __u32 *addr)
20{
21 __u32 ret;
22
23 __asm__ __volatile__ ("lduwa [%1] %2, %0"
24 : "=r" (ret)
25 : "r" (addr), "i" (ASI_PL));
26 return ret;
27}
28
29static inline __u64 ___arch__swab64p(const __u64 *addr)
30{
31 __u64 ret;
32
33 __asm__ __volatile__ ("ldxa [%1] %2, %0"
34 : "=r" (ret)
35 : "r" (addr), "i" (ASI_PL));
36 return ret;
37}
38
39#define __arch__swab16p(x) ___arch__swab16p(x)
40#define __arch__swab32p(x) ___arch__swab32p(x)
41#define __arch__swab64p(x) ___arch__swab64p(x)
42
43#define __BYTEORDER_HAS_U64__
44
45#endif /* __GNUC__ */
46
47#include <linux/byteorder/big_endian.h>
48
49#endif /* _SPARC64_BYTEORDER_H */