mirror of https://gitee.com/openkylin/linux.git
24 lines
574 B
C
24 lines
574 B
C
|
#ifndef _LIBFDT_ENV_H
|
||
|
|
#define _LIBFDT_ENV_H
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#define _B(n) ((unsigned long long)((uint8_t *)&x)[n])
|
||
|
|
static inline uint32_t fdt32_to_cpu(uint32_t x)
|
||
|
|
{
|
||
|
|
return (_B(0) << 24) | (_B(1) << 16) | (_B(2) << 8) | _B(3);
|
||
|
|
}
|
||
|
|
#define cpu_to_fdt32(x) fdt32_to_cpu(x)
|
||
|
|
|
||
|
|
static inline uint64_t fdt64_to_cpu(uint64_t x)
|
||
|
|
{
|
||
|
|
return (_B(0) << 56) | (_B(1) << 48) | (_B(2) << 40) | (_B(3) << 32)
|
||
|
|
| (_B(4) << 24) | (_B(5) << 16) | (_B(6) << 8) | _B(7);
|
||
|
|
}
|
||
|
|
#define cpu_to_fdt64(x) fdt64_to_cpu(x)
|
||
|
|
#undef _B
|
||
|
|
|
||
|
|
#endif /* _LIBFDT_ENV_H */
|