OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [asm-sh64/] [byteorder.h] - Blame information for rev 1774

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1276 phoenix
#ifndef __ASM_SH64_BYTEORDER_H
2
#define __ASM_SH64_BYTEORDER_H
3
 
4
/*
5
 * This file is subject to the terms and conditions of the GNU General Public
6
 * License.  See the file "COPYING" in the main directory of this archive
7
 * for more details.
8
 *
9
 * include/asm-sh64/byteorder.h
10
 *
11
 * Copyright (C) 2000, 2001  Paolo Alberelli
12
 *
13
 */
14
 
15
#include <asm/types.h>
16
 
17
static __inline__ __const__ __u32 ___arch__swab32(__u32 x)
18
{
19
        __asm__("byterev        %0, %0\n\t"
20
                "shari          %0, 32, %0"
21
                : "=r" (x)
22
                : "0" (x));
23
        return x;
24
}
25
 
26
static __inline__ __const__ __u16 ___arch__swab16(__u16 x)
27
{
28
        __asm__("byterev        %0, %0\n\t"
29
                "shari          %0, 48, %0"
30
                : "=r" (x)
31
                : "0" (x));
32
        return x;
33
}
34
 
35
#define __arch__swab32(x) ___arch__swab32(x)
36
#define __arch__swab16(x) ___arch__swab16(x)
37
 
38
#if !defined(__STRICT_ANSI__) || defined(__KERNEL__)
39
#  define __BYTEORDER_HAS_U64__
40
#  define __SWAB_64_THRU_32__
41
#endif
42
 
43
#ifdef __LITTLE_ENDIAN__
44
#include <linux/byteorder/little_endian.h>
45
#else
46
#include <linux/byteorder/big_endian.h>
47
#endif
48
 
49
#endif /* __ASM_SH64_BYTEORDER_H */

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.