release/src-rt-6.x/linux/linux-2.6/arch/powerpc/boot/flatdevtree_env.h

   1 /*
   2  * This file adds the header file glue so that the shared files
   3  * flatdevicetree.[ch] can compile and work in the powerpc bootwrapper.
   4  *
   5  * strncmp & strchr copied from <file:lib/strings.c>
   6  * Copyright (C) 1991, 1992  Linus Torvalds
   7  *
   8  * Maintained by: Mark A. Greer <mgreer@mvista.com>
   9  */
  10 #ifndef _PPC_BOOT_FLATDEVTREE_ENV_H_
  11 #define _PPC_BOOT_FLATDEVTREE_ENV_H_
  12
  13 #include <stdarg.h>
  14 #include <stddef.h>
  15 #include "types.h"
  16 #include "string.h"
  17 #include "stdio.h"
  18 #include "ops.h"
  19
  20 #define be16_to_cpu(x)          (x)
  21 #define cpu_to_be16(x)          (x)
  22 #define be32_to_cpu(x)          (x)
  23 #define cpu_to_be32(x)          (x)
  24 #define be64_to_cpu(x)          (x)
  25 #define cpu_to_be64(x)          (x)
  26
  27 static inline int strncmp(const char *cs, const char *ct, size_t count)
  28 {
  29         signed char __res = 0;
  30
  31         while (count) {
  32                 if ((__res = *cs - *ct++) != 0 || !*cs++)
  33                         break;
  34                 count--;
  35         }
  36         return __res;
  37 }
  38
  39 static inline char *strchr(const char *s, int c)
  40 {
  41         for (; *s != (char)c; ++s)
  42                 if (*s == '\0')
  43                         return NULL;
  44         return (char *)s;
  45 }
  46
  47 #endif /* _PPC_BOOT_FLATDEVTREE_ENV_H_ */