1.1 --- a/src/bootstrap.c	Sat Dec 24 03:33:08 2005 +0000
     1.2 +++ b/src/bootstrap.c	Sun Dec 25 05:57:00 2005 +0000
     1.3 @@ -1,31 +1,43 @@
     1.4 -#include <stdlib.h>
     1.5 -#include <stdint.h>
     1.6 -#include <string.h>
     1.7 -#include <stdio.h>
     1.8 -#include <unistd.h>
     1.9 -#include <fcntl.h>
    1.10 -#include <errno.h>
    1.11 -#include <assert.h>
    1.12 -#include <sys/stat.h>
    1.13 -#include <sys/mman.h>
    1.14 -#include "ipbin.h"
    1.15 -#include "gui/gui.h"
    1.16 +/**
    1.17 + * $Id: bootstrap.c,v 1.4 2005-12-24 08:02:14 nkeynes Exp $
    1.18 + *
    1.19 + * CD Bootstrap header parsing. Mostly for informational purposes.
    1.20 + *
    1.21 + * Copyright (c) 2005 Nathan Keynes.
    1.22 + *
    1.23 + * This program is free software; you can redistribute it and/or modify
    1.24 + * it under the terms of the GNU General Public License as published by
    1.25 + * the Free Software Foundation; either version 2 of the License, or
    1.26 + * (at your option) any later version.
    1.27 + *
    1.28 + * This program is distributed in the hope that it will be useful,
    1.29 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.30 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.31 + * GNU General Public License for more details.
    1.32 + */
    1.33  
    1.34 -static char *dc_peripherals[] = { "Uses WinCE", "Unknown (0x0000002)",
    1.35 -                                  "Unknown (0x0000004)", "Unknown (0x0000008)",
    1.36 -                                  "VGA Box", "Unknown (0x0000020)",
    1.37 -                                  "Unknown (0x0000040)", "Unknown (0x0000080)",
    1.38 -                                  "Other Expansions", "Puru Puru pack",
    1.39 -                                  "Mike", "Memory card",
    1.40 -                                  "Basic controller", "C button",
    1.41 -                                  "D button", "X button",
    1.42 -                                  "Y button", "Z button",
    1.43 -                                  "Expanded direction buttons",
    1.44 -                                  "Analog R trigger", "Analog L trigger",
    1.45 -                                  "Analog horizontal", "Analog vertical",
    1.46 -                                  "Expanded analog horizontal",
    1.47 -                                  "Expanded analog vertical",
    1.48 -                                  "Gun", "Keyboard", "Mouse" };
    1.49 +#include "dream.h"
    1.50 +#include "bootstrap.h"
    1.51 +
    1.52 +/**
    1.53 + * Bootstrap header structure
    1.54 + */
    1.55 +typedef struct dc_bootstrap_head {
    1.56 +    char hardware_id[16]; /* must be "SEGA SEGAKATANA " */ 
    1.57 +    char maker_id[16];    /* ditto,  "SEGA ENTERPRISES" */
    1.58 +    char crc[4];
    1.59 +    char padding;         /* normally ascii space */
    1.60 +    char gdrom_id[6];
    1.61 +    char disc_no[5];
    1.62 +    char regions[8];
    1.63 +    char peripherals[8];
    1.64 +    char product_id[10];
    1.65 +    char product_ver[6];
    1.66 +    char product_date[16];
    1.67 +    char boot_file[16];
    1.68 +    char vendor_id[16];
    1.69 +    char product_name[128];
    1.70 +} *dc_bootstrap_head_t;
    1.71  
    1.72  static uint32_t compute_crc16( dc_bootstrap_head_t h )
    1.73  {
    1.74 @@ -44,7 +56,55 @@
    1.75      return n & 0xffff;
    1.76  }
    1.77  
    1.78 -void parse_ipbin( char *data )
    1.79 +
    1.80 +static char *dc_peripherals[] = { "Uses WinCE", "Unknown (0x0000002)",
    1.81 +                                  "Unknown (0x0000004)", "Unknown (0x0000008)",
    1.82 +                                  "VGA Box", "Unknown (0x0000020)",
    1.83 +                                  "Unknown (0x0000040)", "Unknown (0x0000080)",
    1.84 +                                  "Other Expansions", "Puru Puru pack",
    1.85 +                                  "Mike", "Memory card",
    1.86 +                                  "Basic controller", "C button",
    1.87 +                                  "D button", "X button",
    1.88 +                                  "Y button", "Z button",
    1.89 +                                  "Expanded direction buttons",
    1.90 +                                  "Analog R trigger", "Analog L trigger",
    1.91 +                                  "Analog horizontal", "Analog vertical",
    1.92 +                                  "Expanded analog horizontal",
    1.93 +                                  "Expanded analog vertical",
    1.94 +                                  "Gun", "Keyboard", "Mouse" };
    1.95 +
    1.96 +
    1.97 +/* Expansion units */
    1.98 +#define DC_PERIPH_WINCE    0x0000001
    1.99 +#define DC_PERIPH_VGABOX   0x0000010
   1.100 +#define DC_PERIPH_OTHER    0x0000100
   1.101 +#define DC_PERIPH_PURUPURU 0x0000200
   1.102 +#define DC_PERIPH_MIKE     0x0000400
   1.103 +#define DC_PERIPH_MEMCARD  0x0000800
   1.104 +/* Basic requirements */
   1.105 +#define DC_PERIPH_BASIC    0x0001000 /* Basic controls - start, a, b, arrows */
   1.106 +#define DC_PERIPH_C_BUTTON 0x0002000
   1.107 +#define DC_PERIPH_D_BUTTON 0x0004000
   1.108 +#define DC_PERIPH_X_BUTTON 0x0008000
   1.109 +#define DC_PERIPH_Y_BUTTON 0x0010000
   1.110 +#define DC_PERIPH_Z_BUTTON 0x0020000
   1.111 +#define DC_PERIPH_EXP_DIR  0x0040000 /* Expanded direction buttons */
   1.112 +#define DC_PERIPH_ANALOG_R 0x0080000 /* Analog R trigger */
   1.113 +#define DC_PERIPH_ANALOG_L 0x0100000 /* Analog L trigger */
   1.114 +#define DC_PERIPH_ANALOG_H 0x0200000 /* Analog horizontal controller */
   1.115 +#define DC_PERIPH_ANALOG_V 0x0400000 /* Analog vertical controller */
   1.116 +#define DC_PERIPH_EXP_AH   0x0800000 /* Expanded analog horizontal (?) */
   1.117 +#define DC_PERIPH_EXP_AV   0x1000000 /* Expanded analog vertical (?) */
   1.118 +/* Optional peripherals */
   1.119 +#define DC_PERIPH_GUN      0x2000000
   1.120 +#define DC_PERIPH_KEYBOARD 0x4000000
   1.121 +#define DC_PERIPH_MOUSE    0x8000000
   1.122 +
   1.123 +/**
   1.124 + * Dump the bootstrap info to the output log for infomational/debugging
   1.125 + * purposes.
   1.126 + */
   1.127 +void bootstrap_dump( char *data )
   1.128  {
   1.129      struct dc_bootstrap_head *head;
   1.130      int i, got, periph, crc, hcrc;
   1.131 @@ -58,7 +118,7 @@
   1.132      for( i=127; i>0 && buf[i] == ' '; i-- );
   1.133      buf[i] = '\0';
   1.134      periph = strtol( head->peripherals, NULL, 16 );
   1.135 -    INFO( "Bootstrap loaded, Name: %s   Author: %-16.16s",
   1.136 +    INFO( "Bootstrap Name: %s   Author: %-16.16s",
   1.137            buf, head->vendor_id );
   1.138      sprintf( buf, "%4.4s", head->crc );
   1.139      crc = compute_crc16(head);