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-rw-r--r--include/asm-sparc64/byteorder.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/include/asm-sparc64/byteorder.h b/include/asm-sparc64/byteorder.h
new file mode 100644
index 000000000000..c69b08af5fe0
--- /dev/null
+++ b/include/asm-sparc64/byteorder.h
@@ -0,0 +1,50 @@
1/* $Id: byteorder.h,v 1.8 1997/12/18 02:44:14 ecd Exp $ */
2#ifndef _SPARC64_BYTEORDER_H
3#define _SPARC64_BYTEORDER_H
4
5#include <asm/types.h>
6#include <asm/asi.h>
7
8#ifdef __GNUC__
9
10static __inline__ __u16 ___arch__swab16p(const __u16 *addr)
11{
12 __u16 ret;
13
14 __asm__ __volatile__ ("lduha [%1] %2, %0"
15 : "=r" (ret)
16 : "r" (addr), "i" (ASI_PL));
17 return ret;
18}
19
20static __inline__ __u32 ___arch__swab32p(const __u32 *addr)
21{
22 __u32 ret;
23
24 __asm__ __volatile__ ("lduwa [%1] %2, %0"
25 : "=r" (ret)
26 : "r" (addr), "i" (ASI_PL));
27 return ret;
28}
29
30static __inline__ __u64 ___arch__swab64p(const __u64 *addr)
31{
32 __u64 ret;
33
34 __asm__ __volatile__ ("ldxa [%1] %2, %0"
35 : "=r" (ret)
36 : "r" (addr), "i" (ASI_PL));
37 return ret;
38}
39
40#define __arch__swab16p(x) ___arch__swab16p(x)
41#define __arch__swab32p(x) ___arch__swab32p(x)
42#define __arch__swab64p(x) ___arch__swab64p(x)
43
44#define __BYTEORDER_HAS_U64__
45
46#endif /* __GNUC__ */
47
48#include <linux/byteorder/big_endian.h>
49
50#endif /* _SPARC64_BYTEORDER_H */