libfdt_env.h 1.9 KB

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  1. /*
  2. * libfdt - Flat Device Tree manipulation (build/run environment adaptation)
  3. * Copyright (C) 2007 Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
  4. * Original version written by David Gibson, IBM Corporation.
  5. *
  6. * This library is free software; you can redistribute it and/or
  7. * modify it under the terms of the GNU Lesser General Public License
  8. * as published by the Free Software Foundation; either version 2.1 of
  9. * the License, or (at your option) any later version.
  10. *
  11. * This library is distributed in the hope that it will be useful, but
  12. * WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14. * Lesser General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU Lesser General Public
  17. * License along with this library; if not, write to the Free Software
  18. * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  19. */
  20. #ifndef _LIBFDT_ENV_H
  21. #define _LIBFDT_ENV_H
  22. #ifdef USE_HOSTCC
  23. #include <stdint.h>
  24. #include <string.h>
  25. #include <endian.h>
  26. #include <byteswap.h>
  27. #else
  28. #include <linux/string.h>
  29. #include <linux/types.h>
  30. #include <asm/byteorder.h>
  31. #endif /* USE_HOSTCC */
  32. #include <stddef.h>
  33. extern struct fdt_header *working_fdt; /* Pointer to the working fdt */
  34. #if __BYTE_ORDER == __LITTLE_ENDIAN
  35. #define fdt32_to_cpu(x) bswap_32(x)
  36. #define cpu_to_fdt32(x) bswap_32(x)
  37. #define fdt64_to_cpu(x) bswap_64(x)
  38. #define cpu_to_fdt64(x) bswap_64(x)
  39. #else
  40. #define fdt32_to_cpu(x) (x)
  41. #define cpu_to_fdt32(x) (x)
  42. #define fdt64_to_cpu(x) (x)
  43. #define cpu_to_fdt64(x) (x)
  44. #endif
  45. /*
  46. * Types for `void *' pointers.
  47. *
  48. * Note: libfdt uses this definition from /usr/include/stdint.h.
  49. * Define it here rather than pulling in all of stdint.h.
  50. */
  51. #if __WORDSIZE == 64
  52. typedef unsigned long int uintptr_t;
  53. #else
  54. typedef unsigned int uintptr_t;
  55. #endif
  56. #endif /* _LIBFDT_ENV_H */