endian.h

来自「一个很好的嵌入式linux平台下的bootloader」· C头文件 代码 · 共 58 行

/*  *********************************************************************
    *  Broadcom Common Firmware Environment (CFE)
    *  
    *  Processor endian definitions		File: endian.h
    *
    *  Lives here in the CPU common area, since all CPUs of this
    *  type will be the same.
    *  
    *  Author:  Mitch Lichtenberg
    *  
    *********************************************************************  
    *
    *  Copyright 2000,2001,2002,2003
    *  Broadcom Corporation. All rights reserved.
    *  
    *  This software is furnished under license and may be used and 
    *  copied only in accordance with the following terms and 
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    *  copy, install, use, modify and distribute modified or unmodified 
    *  copies of this software in source and/or binary form.  No title 
    *  or ownership is transferred hereby.
    *  
    *  1) Any source code used, modified or distributed must reproduce 
    *     and retain this copyright notice and list of conditions 
    *     as they appear in the source file.
    *  
    *  2) No right is granted to use any trade name, trademark, or 
    *     logo of Broadcom Corporation.  The "Broadcom Corporation" 
    *     name may not be used to endorse or promote products derived 
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    *     Broadcom Corporation.
    *  
    *  3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
    *     IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
    *     WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
    *     PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT 
    *     SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN 
    *     PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
    *     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 
    *     (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
    *     GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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    ********************************************************************* */


#if defined(__MIPSEB)
  #define ENDIAN_LITTLE		0		/* We are not little-endian */
  #define ENDIAN_BIG		1		/* We are big-endian */
#elif defined(__MIPSEL)
  #define ENDIAN_LITTLE		1		/* We are little-endian */
  #define ENDIAN_BIG		0		/* We are not big-endian */
#else
  #error "__MIPSEB or __MIPSEL not defined"
#endif