123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100 |
- #ifndef LIBFDT_ENV_H
- #define LIBFDT_ENV_H
- #include <dragonstub/types.h>
- #include <dragonstub/limits.h>
- #ifdef __CHECKER__
- #define FDT_FORCE __attribute__((force))
- #define FDT_BITWISE __attribute__((bitwise))
- #else
- #define FDT_FORCE
- #define FDT_BITWISE
- #endif
- typedef uint16_t FDT_BITWISE fdt16_t;
- typedef uint32_t FDT_BITWISE fdt32_t;
- typedef uint64_t FDT_BITWISE fdt64_t;
- #define EXTRACT_BYTE(x, n) ((unsigned long long)((uint8_t *)&x)[n])
- #define CPU_TO_FDT16(x) ((EXTRACT_BYTE(x, 0) << 8) | EXTRACT_BYTE(x, 1))
- #define CPU_TO_FDT32(x) \
- ((EXTRACT_BYTE(x, 0) << 24) | (EXTRACT_BYTE(x, 1) << 16) | \
- (EXTRACT_BYTE(x, 2) << 8) | EXTRACT_BYTE(x, 3))
- #define CPU_TO_FDT64(x) \
- ((EXTRACT_BYTE(x, 0) << 56) | (EXTRACT_BYTE(x, 1) << 48) | \
- (EXTRACT_BYTE(x, 2) << 40) | (EXTRACT_BYTE(x, 3) << 32) | \
- (EXTRACT_BYTE(x, 4) << 24) | (EXTRACT_BYTE(x, 5) << 16) | \
- (EXTRACT_BYTE(x, 6) << 8) | EXTRACT_BYTE(x, 7))
- static inline uint16_t fdt16_to_cpu(fdt16_t x)
- {
- return (FDT_FORCE uint16_t)CPU_TO_FDT16(x);
- }
- static inline fdt16_t cpu_to_fdt16(uint16_t x)
- {
- return (FDT_FORCE fdt16_t)CPU_TO_FDT16(x);
- }
- static inline uint32_t fdt32_to_cpu(fdt32_t x)
- {
- return (FDT_FORCE uint32_t)CPU_TO_FDT32(x);
- }
- static inline fdt32_t cpu_to_fdt32(uint32_t x)
- {
- return (FDT_FORCE fdt32_t)CPU_TO_FDT32(x);
- }
- static inline uint64_t fdt64_to_cpu(fdt64_t x)
- {
- return (FDT_FORCE uint64_t)CPU_TO_FDT64(x);
- }
- static inline fdt64_t cpu_to_fdt64(uint64_t x)
- {
- return (FDT_FORCE fdt64_t)CPU_TO_FDT64(x);
- }
- #undef CPU_TO_FDT64
- #undef CPU_TO_FDT32
- #undef CPU_TO_FDT16
- #undef EXTRACT_BYTE
- #ifdef __APPLE__
- #include <AvailabilityMacros.h>
- #if !defined(MAC_OS_X_VERSION_10_7) || \
- (MAC_OS_X_VERSION_MAX_ALLOWED < MAC_OS_X_VERSION_10_7)
- #define strnlen fdt_strnlen
- static inline size_t fdt_strnlen(const char *string, size_t max_count)
- {
- const char *p = memchr(string, 0, max_count);
- return p ? p - string : max_count;
- }
- #endif
- #endif
- #endif
|