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compiler.h: unify system ifdef cruft here

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Shove a lot of the HOSTCC and related #ifdef checking crap into the new
compiler.h header so that we can keep all other headers nice and clean.

Also introduce custom uswap functions so we don't have to rely on the non
standard implementations that a host may (or may not in the case of OS X)
provide.  This allows mkimage to finally build cleanly on an OS X system.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2009-07-02 19:23:25 -04:00
committed by Wolfgang Denk
parent 2a2ed845c0
commit 3756609076
15 changed files with 150 additions and 149 deletions
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53
include/libfdt_env.h
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@@ -21,56 +21,13 @@
#ifndef _LIBFDT_ENV_H
#define _LIBFDT_ENV_H
#ifdef USE_HOSTCC
#include <stdint.h>
#include <string.h>
#ifdef __MINGW32__
#include <linux/types.h>
#include <linux/byteorder/swab.h>
#else
#include <endian.h>
#include <byteswap.h>
#endif /* __MINGW32__ */
#else
#include <linux/string.h>
#include <linux/types.h>
#include <asm/byteorder.h>
#endif /* USE_HOSTCC */
#include "compiler.h"
#include <stddef.h>
extern struct fdt_header *working_fdt; /* Pointer to the working fdt */
#if __BYTE_ORDER == __LITTLE_ENDIAN
#ifdef __MINGW32__
#define fdt32_to_cpu(x) ___swab32(x)
#define cpu_to_fdt32(x) ___swab32(x)
#define fdt64_to_cpu(x) ___swab64(x)
#define cpu_to_fdt64(x) ___swab64(x)
#else
#define fdt32_to_cpu(x) bswap_32(x)
#define cpu_to_fdt32(x) bswap_32(x)
#define fdt64_to_cpu(x) bswap_64(x)
#define cpu_to_fdt64(x) bswap_64(x)
#endif
#else
#define fdt32_to_cpu(x) (x)
#define cpu_to_fdt32(x) (x)
#define fdt64_to_cpu(x) (x)
#define cpu_to_fdt64(x) (x)
#endif
#ifndef USE_HOSTCC
/*
* Types for `void *' pointers.
*
* Note: libfdt uses this definition from /usr/include/stdint.h.
* Define it here rather than pulling in all of stdint.h.
*/
#if __WORDSIZE == 64
typedef unsigned long int uintptr_t;
#else
typedef unsigned int uintptr_t;
#endif
#endif /* not USE_HOSTCC */
#define fdt32_to_cpu(x) be32_to_cpu(x)
#define cpu_to_fdt32(x) cpu_to_be32(x)
#define fdt64_to_cpu(x) be64_to_cpu(x)
#define cpu_to_fdt64(x) cpu_to_be64(x)
#endif /* _LIBFDT_ENV_H */