freebsd-dev/sys/contrib/libfdt/libfdt_env.h
Rafal Jaworowski 21d30ec18d Provide kernel level headers for the libfdt code.
Reviewed by:	imp
Sponsored by:	The FreeBSD Foundation
2010-06-02 17:24:41 +00:00

32 lines
718 B
C

#ifndef _LIBFDT_ENV_H
#define _LIBFDT_ENV_H
#ifdef _KERNEL
#include <sys/cdefs.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/stdint.h>
#else
#include <stddef.h>
#include <stdint.h>
#include <string.h>
#endif
#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 */