types.h

针对德州仪器DM270开发板的bootloader,其实现了内核的下载以及文件系统的下载

/*
 * File: types.h
 *
 * Basic types and macros used throughout the bootloader implementation.
 *
 * Copyright (C) 2002 RidgeRun, Inc.
 * Author: RidgeRun, Inc  <[e-mail]>
 *
 *  This program is free software; you can redistribute  it and/or modify it
 *  under  the terms of  the GNU General  Public License as published by the
 *  Free Software Foundation;  either version 2 of the  License, or (at your
 *  option) any later version.
 *
 *  THIS  SOFTWARE  IS  PROVIDED  ``AS  IS''  AND   ANY  EXPRESS  OR IMPLIED
 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   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  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 *  You should have received a copy of the  GNU General Public License along
 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 *  675 Mass Ave, Cambridge, MA 02139, USA.
 *
 * Please report all bugs/problems to the author or <[e-mail]>
 *
 * key: RRGPLCR (do not remove)
 *
 */

#ifndef TYPES_H
#define TYPES_H

#include "util.h"

#define FALSE 0
#define false 0

#define TRUE  1
#define true  1

#define NULL  ((void *) 0)

#define SYSTEM_FATAL(s) ({util_printf("%s:%d "s"\n",__FILE__,__LINE__);while(1){}})

typedef void (*progress_meter_CBack_t)(void);  // Callback Prototype

typedef enum {
  LOAD_OK,
  LOAD_MISSING_CBACK,
  LOAD_INVALID_FORMAT,
  LOAD_INVALID_CHKSUM
} ParseStatus_t;

#define barrier() __asm__ __volatile__("": : :"memory")
#endif