include/libfdt_env.h

   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
  21 #ifndef _LIBFDT_ENV_H
  22 #define _LIBFDT_ENV_H
  23
  24 #ifdef USE_HOSTCC
  25 #include <stdint.h>
  26 #include <string.h>
  27 #include <endian.h>
  28 #include <byteswap.h>
  29 #else
  30 #include <linux/string.h>
  31 #include <linux/types.h>
  32 #include <asm/byteorder.h>
  33 #endif /* USE_HOSTCC */
  34
  35 #include <stddef.h>
  36 extern struct fdt_header *working_fdt;  /* Pointer to the working fdt */
  37
  38 #if __BYTE_ORDER == __LITTLE_ENDIAN
  39 #define fdt32_to_cpu(x)         bswap_32(x)
  40 #define cpu_to_fdt32(x)         bswap_32(x)
  41 #define fdt64_to_cpu(x)         bswap_64(x)
  42 #define cpu_to_fdt64(x)         bswap_64(x)
  43 #else
  44 #define fdt32_to_cpu(x)         (x)
  45 #define cpu_to_fdt32(x)         (x)
  46 #define fdt64_to_cpu(x)         (x)
  47 #define cpu_to_fdt64(x)         (x)
  48 #endif
  49
  50 #ifndef USE_HOSTCC
  51 /*
  52  * Types for `void *' pointers.
  53  *
  54  * Note: libfdt uses this definition from /usr/include/stdint.h.
  55  * Define it here rather than pulling in all of stdint.h.
  56  */
  57 #if __WORDSIZE == 64
  58 typedef unsigned long int       uintptr_t;
  59 #else
  60 typedef unsigned int            uintptr_t;
  61 #endif
  62 #endif /* not USE_HOSTCC */
  63
  64 #endif /* _LIBFDT_ENV_H */