57 lines
1.4 KiB
C
Executable File
57 lines
1.4 KiB
C
Executable File
/*
|
|
* Keep all the ugly #ifdef for system stuff here
|
|
*/
|
|
|
|
#ifndef __COMPILER_H__
|
|
#define __COMPILER_H__
|
|
|
|
#ifndef NULL
|
|
#define NULL 0
|
|
#endif
|
|
|
|
#if 0
|
|
#define uswap_16(x) (x)
|
|
#define uswap_32(x) (x)
|
|
#define _uswap_64(x, sfx) (x)
|
|
#else
|
|
#define uswap_16(x) \
|
|
((((x) & 0xff00) >> 8) | \
|
|
(((x) & 0x00ff) << 8))
|
|
#define uswap_32(x) \
|
|
((((x) & 0xff000000) >> 24) | \
|
|
(((x) & 0x00ff0000) >> 8) | \
|
|
(((x) & 0x0000ff00) << 8) | \
|
|
(((x) & 0x000000ff) << 24))
|
|
#define _uswap_64(x, sfx) \
|
|
((((x) & 0xff00000000000000##sfx) >> 56) | \
|
|
(((x) & 0x00ff000000000000##sfx) >> 40) | \
|
|
(((x) & 0x0000ff0000000000##sfx) >> 24) | \
|
|
(((x) & 0x000000ff00000000##sfx) >> 8) | \
|
|
(((x) & 0x00000000ff000000##sfx) << 8) | \
|
|
(((x) & 0x0000000000ff0000##sfx) << 24) | \
|
|
(((x) & 0x000000000000ff00##sfx) << 40) | \
|
|
(((x) & 0x00000000000000ff##sfx) << 56))
|
|
#endif
|
|
#if defined(__GNUC__)
|
|
#define uswap_64(x) _uswap_64(x, ull)
|
|
#else
|
|
#define uswap_64(x) _uswap_64(x, )
|
|
#endif
|
|
#define cpu_to_le16(x) (x)
|
|
#define cpu_to_le32(x) (x)
|
|
#define cpu_to_le64(x) (x)
|
|
#define le16_to_cpu(x) (x)
|
|
#define le32_to_cpu(x) (x)
|
|
#define le64_to_cpu(x) (x)
|
|
#define cpu_to_be16(x) uswap_16(x)
|
|
#define cpu_to_be32(x) uswap_32(x)
|
|
#define cpu_to_be64(x) uswap_64(x)
|
|
#define be16_to_cpu(x) uswap_16(x)
|
|
#define be32_to_cpu(x) uswap_32(x)
|
|
#define be64_to_cpu(x) uswap_64(x)
|
|
|
|
/* Type for `void *' pointers. */
|
|
typedef unsigned long int uintptr_t;
|
|
|
|
#endif
|