diff options
author | Juli Mallett <jmallett@FreeBSD.org> | 2012-03-11 04:14:00 +0000 |
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committer | Juli Mallett <jmallett@FreeBSD.org> | 2012-03-11 04:14:00 +0000 |
commit | f8b73ad2e16934621a86fd1fd67b46aa21521d0b (patch) | |
tree | cd40bd62c08fa360ceced004ce74decd1b26ca3c /libfdt/libfdt_env.h | |
parent | 7a1e830cbcd5d33aa7fcdd8732e6ea26510508fd (diff) |
Notes
Diffstat (limited to 'libfdt/libfdt_env.h')
-rw-r--r-- | libfdt/libfdt_env.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/libfdt/libfdt_env.h b/libfdt/libfdt_env.h new file mode 100644 index 0000000000000..449bf602daf1f --- /dev/null +++ b/libfdt/libfdt_env.h @@ -0,0 +1,23 @@ +#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 */ |