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30 lines
857 B
30 lines
857 B
11 years ago
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#ifndef _LIBFDT_ENV_H
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#define _LIBFDT_ENV_H
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#include <stddef.h>
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#include <stdint.h>
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#include <string.h>
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#define EXTRACT_BYTE(n) ((unsigned long long)((uint8_t *)&x)[n])
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static inline uint16_t fdt16_to_cpu(uint16_t x)
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{
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return (EXTRACT_BYTE(0) << 8) | EXTRACT_BYTE(1);
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}
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#define cpu_to_fdt16(x) fdt16_to_cpu(x)
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static inline uint32_t fdt32_to_cpu(uint32_t x)
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{
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return (EXTRACT_BYTE(0) << 24) | (EXTRACT_BYTE(1) << 16) | (EXTRACT_BYTE(2) << 8) | EXTRACT_BYTE(3);
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}
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#define cpu_to_fdt32(x) fdt32_to_cpu(x)
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static inline uint64_t fdt64_to_cpu(uint64_t x)
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{
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return (EXTRACT_BYTE(0) << 56) | (EXTRACT_BYTE(1) << 48) | (EXTRACT_BYTE(2) << 40) | (EXTRACT_BYTE(3) << 32)
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| (EXTRACT_BYTE(4) << 24) | (EXTRACT_BYTE(5) << 16) | (EXTRACT_BYTE(6) << 8) | EXTRACT_BYTE(7);
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}
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#define cpu_to_fdt64(x) fdt64_to_cpu(x)
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#undef EXTRACT_BYTE
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#endif /* _LIBFDT_ENV_H */
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