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- /* SPDX-License-Identifier: (GPL-2.0-or-later OR BSD-2-Clause) */
- #ifndef LIBFDT_ENV_H
- #define LIBFDT_ENV_H
- /*
- * libfdt - Flat Device Tree manipulation
- * Copyright (C) 2006 David Gibson, IBM Corporation.
- * Copyright 2012 Kim Phillips, Freescale Semiconductor.
- */
- #include <sbi/sbi_string.h>
- #include <sbi/sbi_types.h>
- #include <sbi/sbi_byteorder.h>
- #define INT_MAX ((int)(~0U >> 1))
- #define UINT_MAX ((unsigned int)~0U)
- #define INT32_MAX INT_MAX
- #define UINT32_MAX UINT_MAX
- #ifdef __CHECKER__
- #define FDT_FORCE __attribute__((force))
- #define FDT_BITWISE __attribute__((bitwise))
- #else
- #define FDT_FORCE
- #define FDT_BITWISE
- #endif
- #define memmove sbi_memmove
- #define memcpy sbi_memcpy
- #define memcmp sbi_memcmp
- #define memchr sbi_memchr
- #define memset sbi_memset
- #define strchr sbi_strchr
- #define strrchr sbi_strrchr
- #define strcpy sbi_strcpy
- #define strncpy sbi_strncpy
- #define strcmp sbi_strcmp
- #define strncmp sbi_strncmp
- #define strlen sbi_strlen
- #define strnlen sbi_strnlen
- typedef be16_t FDT_BITWISE fdt16_t;
- typedef be32_t FDT_BITWISE fdt32_t;
- typedef be64_t FDT_BITWISE fdt64_t;
- static inline uint16_t fdt16_to_cpu(fdt16_t x)
- {
- return (FDT_FORCE uint16_t)be16_to_cpu(x);
- }
- static inline fdt16_t cpu_to_fdt16(uint16_t x)
- {
- return (FDT_FORCE fdt16_t)cpu_to_be16(x);
- }
- static inline uint32_t fdt32_to_cpu(fdt32_t x)
- {
- return (FDT_FORCE uint32_t)be32_to_cpu(x);
- }
- static inline fdt32_t cpu_to_fdt32(uint32_t x)
- {
- return (FDT_FORCE fdt32_t)cpu_to_be32(x);
- }
- static inline uint64_t fdt64_to_cpu(fdt64_t x)
- {
- return (FDT_FORCE uint64_t)be64_to_cpu(x);
- }
- static inline fdt64_t cpu_to_fdt64(uint64_t x)
- {
- return (FDT_FORCE fdt64_t)cpu_to_be64(x);
- }
- #ifdef __APPLE__
- #include <AvailabilityMacros.h>
- /* strnlen() is not available on Mac OS < 10.7 */
- # if !defined(MAC_OS_X_VERSION_10_7) || (MAC_OS_X_VERSION_MAX_ALLOWED < \
- MAC_OS_X_VERSION_10_7)
- #define strnlen fdt_strnlen
- /*
- * fdt_strnlen: returns the length of a string or max_count - which ever is
- * smallest.
- * Input 1 string: the string whose size is to be determined
- * Input 2 max_count: the maximum value returned by this function
- * Output: length of the string or max_count (the smallest of the two)
- */
- 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 /* !defined(MAC_OS_X_VERSION_10_7) || (MAC_OS_X_VERSION_MAX_ALLOWED <
- MAC_OS_X_VERSION_10_7) */
- #endif /* __APPLE__ */
- #endif /* LIBFDT_ENV_H */
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