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60 lines
1.5 KiB
60 lines
1.5 KiB
#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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#ifdef __CHECKER__ |
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#define __force __attribute__((force)) |
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#define __bitwise __attribute__((bitwise)) |
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#else |
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#define __force |
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#define __bitwise |
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#endif |
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typedef uint16_t __bitwise fdt16_t; |
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typedef uint32_t __bitwise fdt32_t; |
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typedef uint64_t __bitwise fdt64_t; |
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#define EXTRACT_BYTE(x, n) ((unsigned long long)((uint8_t *)&x)[n]) |
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#define CPU_TO_FDT16(x) ((EXTRACT_BYTE(x, 0) << 8) | EXTRACT_BYTE(x, 1)) |
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#define CPU_TO_FDT32(x) ((EXTRACT_BYTE(x, 0) << 24) | (EXTRACT_BYTE(x, 1) << 16) | \ |
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(EXTRACT_BYTE(x, 2) << 8) | EXTRACT_BYTE(x, 3)) |
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#define CPU_TO_FDT64(x) ((EXTRACT_BYTE(x, 0) << 56) | (EXTRACT_BYTE(x, 1) << 48) | \ |
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(EXTRACT_BYTE(x, 2) << 40) | (EXTRACT_BYTE(x, 3) << 32) | \ |
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(EXTRACT_BYTE(x, 4) << 24) | (EXTRACT_BYTE(x, 5) << 16) | \ |
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(EXTRACT_BYTE(x, 6) << 8) | EXTRACT_BYTE(x, 7)) |
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static inline uint16_t fdt16_to_cpu(fdt16_t x) |
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{ |
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return (__force uint16_t)CPU_TO_FDT16(x); |
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} |
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static inline fdt16_t cpu_to_fdt16(uint16_t x) |
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{ |
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return (__force fdt16_t)CPU_TO_FDT16(x); |
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} |
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static inline uint32_t fdt32_to_cpu(fdt32_t x) |
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{ |
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return (__force uint32_t)CPU_TO_FDT32(x); |
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} |
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static inline fdt32_t cpu_to_fdt32(uint32_t x) |
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{ |
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return (__force fdt32_t)CPU_TO_FDT32(x); |
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} |
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static inline uint64_t fdt64_to_cpu(fdt64_t x) |
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{ |
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return (__force uint64_t)CPU_TO_FDT64(x); |
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} |
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static inline fdt64_t cpu_to_fdt64(uint64_t x) |
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{ |
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return (__force fdt64_t)CPU_TO_FDT64(x); |
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} |
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#undef CPU_TO_FDT64 |
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#undef CPU_TO_FDT32 |
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#undef CPU_TO_FDT16 |
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#undef EXTRACT_BYTE |
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#endif /* _LIBFDT_ENV_H */
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