Unnamed

/*************************************************************************** *             __________               __   ___. *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  / *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  < *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \ *                     \/            \/     \/    \/            \/ * $Id$ * * Copyright (C) 2007 by Will Robertson * * All files in this archive are subject to the GNU General Public License. * See the file COPYING in the source tree root for full license agreement. * * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY * KIND, either express or implied. * ****************************************************************************/#include <stdio.h>#include <stdlib.h>static FILE * openinfile( const char * filename ){    FILE * F = fopen( filename, "rb" );    if( F == NULL )    {        fprintf( stderr, "Couldn't open input file %s\n", filename );        perror( "Error was " );        exit( -1 );    };    return F;};static FILE * openoutfile( const char * filename ){    FILE * F = fopen( filename, "wb" );    if( F == NULL )    {        fprintf( stderr, "Couldn't open output file %s\n", filename );        perror( "Error was " );        exit( -1 );    };    return F;};unsigned long calc_csum(const unsigned char* pb, int cb){    unsigned long l = 0;    while (cb--)        l += *pb++;    return l;}int gigabeat_s_code(char *infile, char *outfile){    FILE *in, *out;    unsigned long size = 0;    unsigned long data;    int imagelength;    in = openinfile(infile);    out = openoutfile(outfile);    fseek(in, 0, SEEK_END);    size = ftell(in);    /* 15 bytes for header, three 12 byte headers, the data for the first three     * records, 12 byte header for code, code and the 12 byte footer     * However, the original nk.bin's length doesn't correspond with     * the length of the file, so I don't know what's up...     */    imagelength = 15 + 12 + 4 + 12 + 8 + 12 + 4 + 12 + size + 12;    fwrite("B000FF\n", 7, 1, out);    fwrite(0x88200000, 4, 1, out);    fwrite(imagelength, 4, 1, out);    /*First record*/    fwrite(0x88200000, 4, 1, out);    fwrite(4, 4, 1, out);    fwrite(0x1eb, 4, 1, out);    fwrite(0xEA0003FE, 4, 1, out);    /*Second record*/    fwrite(0x88200040, 4, 1, out);    fwrite(8, 4, 1, out);    fwrite(0x3e9, 4, 1, out);    fwrite(0x43454345, 4, 1, out);    fwrite(0x88EBF274, 4, 1, out);    /*Third record*/    fwrite(0x88200048, 4, 1, out);    fwrite(4, 4, 1, out);    fwrite(0x231, 4, 1, out);    fwrite(0x00CBF274, 4, 1, out);    /*Signature bypass record*/    unsigned long magic = 0xE3A00001;    fwrite(0x88065A10, 4, 1, out);    fwrite(4, 4, 1, out);    fwrite(calc_csum((unsigned char*)&magic,4), 4, 1, out);    fwrite(magic, 4, 1, out);    /*The actual code*/    fwrite(0x88201000, 4, 1, out);    /*TODO*/    /*The footer*/    fwrite(0, 4, 1, out);    fwrite(0x88201000, 4, 1, out);    fwrite(0, 4, 1, out);        fprintf(stderr, "File processed successfully\n" );    fclose(in);    fclose(out);    return(0);}