Subversion Repositories HelenOS-historic

Rev

Rev 332 | Go to most recent revision | Show entire file | Ignore whitespace | Details | Blame | Last modification | View Log | RSS feed

Rev 332 Rev 338
Line 28... Line 28...
28 
 
 28 
 
29 
#ifndef __ppc_BYTEORDER_H__
 29 
#ifndef __ppc_BYTEORDER_H__
30 
#define __ppc_BYTEORDER_H__
 30 
#define __ppc_BYTEORDER_H__
31 
 
 31 
 
32 
#include <arch/types.h>
 32 
#include <arch/types.h>
- 
 
 33 
#include <byteorder.h>
- 
 
 34 
 
- 
 
 35 
static inline __u64 __u64_le2host(__u64 n)
- 
 
 36 
{
- 
 
 37 
    return __u64_byteorder_swap(n);
- 
 
 38 
}
- 
 
 39 
 
33 
 
 40 
 
34 
/** Convert little-endian __native to host __native
 41 
/** Convert little-endian __native to host __native
35 
 *
 42 
 *
36 
 * Convert little-endian __native parameter to host endianess.
 43 
 * Convert little-endian __native parameter to host endianess.
37 
 *
 44 
 *
38 
 * @param n Little-endian __native argument.
 45 
 * @param n Little-endian __native argument.
39 
 *
 46 
 *
40 
 * @return Result in host endianess.
 47 
 * @return Result in host endianess.
41 
 *
 48 
 *
42 
 */
 49 
 */
43 
static inline __u64 u64_le2host(__u64 n)
 - 
 
44 
{
 - 
 
45 
    return ((n & 0xff) << 56) |
 - 
 
46 
        ((n & 0xff00) << 40) |
 - 
 
47 
        ((n & 0xff0000) << 24) |
 - 
 
48 
        ((n & 0xff000000LL) << 8) |
 - 
 
49 
        ((n & 0xff00000000LL) >>8) |
 - 
 
50 
        ((n & 0xff0000000000LL) >> 24) |
 - 
 
51 
        ((n & 0xff000000000000LL) >> 40) |
 - 
 
52 
        ((n & 0xff00000000000000LL) >> 56);
 - 
 
53 
}
 - 
 
54 
static inline __native native_le2host(__native n)
 50 
static inline __native __native_le2host(__native n)
55 
{
 51 
{
56 
    __address v;
 52 
    __address v;
57 
   
 53 
   
58 
    __asm__ volatile ("lwbrx %0, %1, %2\n" : "=r" (v) : "i" (0) , "r" (&n));
 54 
    __asm__ volatile ("lwbrx %0, %1, %2\n" : "=r" (v) : "i" (0) , "r" (&n));
59 
   
 55