mkimage.c

用于TM1300/PNX1300系列DSP（主要用于视频处理）的下载程序

/*
 * Copyright (c) 1995,2000 TriMedia Technologies Inc.              
 *
 * +------------------------------------------------------------------+
 * | This software is furnished under a license and may only be used  |
 * | and copied in accordance with the terms and conditions of  such  |
 * | a license and with the inclusion of this copyright notice. This  |
 * | software or any other copies of this software may not be provided|
 * | or otherwise made available to any other person.  The ownership  |
 * | and title of this software is not transferred.                   |
 * |                                                                  |
 * | The information in this software is subject  to change without   |
 * | any  prior notice and should not be construed as a commitment by |
 * | TriMedia Technologies .                                          |
 * |                                                                  |
 * | this code and information is provided "as is" without any        |
 * | warranty of any kind, either expressed or implied, including but |
 * | not limited to the implied warranties of merchantability and/or  |
 * | fitness for any particular purpose.                              |
 * +------------------------------------------------------------------+
 *
 *      This program is sample memory image generator for 
 *      testing the downloader library lib_load.a.
 *      All error checking is omitted (!)
 *
 */

#ifdef __TCS__
#include "tmlib/TMDownLoader.h"
#else
#include "TMDownLoader.h"
#endif

#include "fcntl.h"


#ifndef O_BINARY
#define O_BINARY 0
#endif


main()
{
	String      filename  = "MkImage.tm";
	String      imagename = "libload_image";

	Int         alignment, minimal_image_size;
        Pointer     image_base;
        Int         fd;

	TMDwnLdr_Object_Handle handle;

	TMDwnLdr_load_object_from_file(filename, Null, &handle);

	TMDwnLdr_get_image_size(handle, &minimal_image_size, &alignment);
        image_base= (Pointer)malloc(minimal_image_size);


	TMDwnLdr_resolve_symbol(handle, "__syscall", 0xdeadb00b);

	TMDwnLdr_relocate(handle, 
                          (tmHostType_t) tmTmSimHost,
			  (Address)     0xefe00000,     /* mmio base     */
			  (UInt)         100000000,     /* tm freq       */
			  0,0x800000,                   /* download area */
			  TMDwnLdr_LeaveCachingToDownloader);

	TMDwnLdr_get_memory_image(handle, image_base);

	TMDwnLdr_unload_object(handle);

        fd= open(imagename, O_CREAT | O_WRONLY | O_BINARY, 0777);
        write(fd,image_base,minimal_image_size);
        close(fd);
}