27 lines
389 B
C
27 lines
389 B
C
|
#ifndef _PIUMA_LIB_BITS_H_
|
||
|
|
#define _PIUMA_LIB_BITS_H_
|
||
|
|
|
||
|
|
#include "types.h"
|
||
|
|
|
||
|
|
inline u32 bits_endian_swap(u32 x)
|
||
|
|
{
|
||
|
|
return
|
||
|
|
(x << 24 ) |
|
||
|
|
(x << 8 & 0x00FF0000) |
|
||
|
|
(x >> 8 & 0x0000FF00) |
|
||
|
|
(x >> 24 );
|
||
|
|
}
|
||
|
|
|
||
|
|
inline u32 bits_reverse(u32 x)
|
||
|
|
{
|
||
|
|
u32 result = 0;
|
||
|
|
for(int i = 0; i < 32; i++)
|
||
|
|
{
|
||
|
|
result = result << 1 | (x & 1);
|
||
|
|
x = x >> 1;
|
||
|
|
}
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|