platform/gp2x/main.c

   1 // (c) Copyright 2006 notaz, All rights reserved.\r
   2 // Free for non-commercial use.\r
   3 \r
   4 // For commercial use, separate licencing terms must be obtained.\r
   5 \r
   6 #include <stdio.h>\r
   7 #include <string.h>\r
   8 #include <unistd.h>\r
   9 #include <strings.h>\r
  10 #include <linux/limits.h>\r
  11 \r
  12 #include "gp2x.h"\r
  13 #include "menu.h"\r
  14 #include "emu.h"\r
  15 #include "940ctl.h"\r
  16 #include "version.h"\r
  17 \r
  18 #include "squidgehack.h"\r
  19 #include "cpuctrl.h"\r
  20 \r
  21 \r
  22 extern char *ext_menu, *ext_state;\r
  23 extern int select_exits;\r
  24 extern char *PicoConfigFile;\r
  25 int mmuhack_status = 0;\r
  26 char **g_argv;\r
  27 \r
  28 void parse_cmd_line(int argc, char *argv[])\r
  29 {\r
  30         int x, unrecognized = 0;\r
  31 \r
  32         for(x = 1; x < argc; x++)\r
  33         {\r
  34                 if(argv[x][0] == '-')\r
  35                 {\r
  36                         if(strcasecmp(argv[x], "-menu") == 0) {\r
  37                                 if(x+1 < argc) { ++x; ext_menu = argv[x]; } /* External Frontend: Program Name */\r
  38                         }\r
  39                         else if(strcasecmp(argv[x], "-state") == 0) {\r
  40                                 if(x+1 < argc) { ++x; ext_state = argv[x]; } /* External Frontend: Arguments */\r
  41                         }\r
  42                         else if(strcasecmp(argv[x], "-config") == 0) {\r
  43                                 if(x+1 < argc) { ++x; PicoConfigFile = argv[x]; }\r
  44                         }\r
  45                         else if(strcasecmp(argv[x], "-selectexit") == 0) {\r
  46                                 select_exits = 1;\r
  47                         }\r
  48                         else {\r
  49                                 unrecognized = 1;\r
  50                                 break;\r
  51                         }\r
  52                 } else {\r
  53                         /* External Frontend: ROM Name */\r
  54                         FILE *f;\r
  55                         strncpy(romFileName, argv[x], PATH_MAX);\r
  56                         romFileName[PATH_MAX-1] = 0;\r
  57                         f = fopen(romFileName, "rb");\r
  58                         if (f) fclose(f);\r
  59                         else unrecognized = 1;\r
  60                         engineState = PGS_ReloadRom;\r
  61                         break;\r
  62                 }\r
  63         }\r
  64 \r
  65         if (unrecognized) {\r
  66                 printf("\n\n\nPicoDrive v" VERSION " (c) notaz, 2006\n");\r
  67                 printf("usage: %s [options] [romfile]\n", argv[0]);\r
  68                 printf( "options:\n"\r
  69                                 "-menu <menu_path> launch a custom program on exit instead of default gp2xmenu\n"\r
  70                                 "-state <param>    pass '-state param' to the menu program\n"\r
  71                                 "-config <file>    use specified config file instead of default 'picoconfig.bin'\n"\r
  72                                 "                  see currentConfig_t structure in emu.h for the file format\n"\r
  73                                 "-selectexit       pressing SELECT will exit the emu and start 'menu_path'\n");\r
  74         }\r
  75 }\r
  76 \r
  77 \r
  78 int main(int argc, char *argv[])\r
  79 {\r
  80         g_argv = argv;\r
  81 \r
  82         emu_ReadConfig(0);\r
  83         gp2x_init();\r
  84         if (currentConfig.EmuOpt&0x10) {\r
  85                 int ret = mmuhack();\r
  86                 printf("squidge hack code finished and returned %i\n", ret); fflush(stdout);\r
  87                 mmuhack_status = ret;\r
  88         }\r
  89         cpuctrl_init();\r
  90         // Reset940(1);\r
  91         // Pause940(1);\r
  92         if (currentConfig.EmuOpt&0x100) {\r
  93                 printf("setting RAM timings.. "); fflush(stdout);\r
  94                 // craigix: --trc 6 --tras 4 --twr 1 --tmrd 1 --trfc 1 --trp 2 --trcd 2\r
  95                 set_RAM_Timings(6, 4, 1, 1, 1, 2, 2);\r
  96                 printf("done.\n"); fflush(stdout);\r
  97         }\r
  98         sharedmem_init();\r
  99         emu_Init();\r
 100 \r
 101         engineState = PGS_Menu;\r
 102 \r
 103         if (argc > 1)\r
 104                 parse_cmd_line(argc, argv);\r
 105 \r
 106         for (;;)\r
 107         {\r
 108                 switch (engineState)\r
 109                 {\r
 110                         case PGS_Menu:\r
 111                                 menu_loop();\r
 112                                 break;\r
 113 \r
 114                         case PGS_ReloadRom:\r
 115                                 if (emu_ReloadRom())\r
 116                                         engineState = PGS_Running;\r
 117                                 else {\r
 118                                         printf("PGS_ReloadRom == 0\n");\r
 119                                         engineState = PGS_Menu;\r
 120                                 }\r
 121                                 break;\r
 122 \r
 123                         case PGS_Running:\r
 124                                 emu_Loop();\r
 125                                 break;\r
 126 \r
 127                         case PGS_Quit:\r
 128                                 goto endloop;\r
 129 \r
 130                         default:\r
 131                                 printf("engine got into unknown state (%i), exitting\n", engineState);\r
 132                                 goto endloop;\r
 133                 }\r
 134         }\r
 135 \r
 136         endloop:\r
 137 \r
 138         emu_Deinit();\r
 139         sharedmem_deinit();\r
 140         cpuctrl_deinit();\r
 141         gp2x_deinit();\r
 142         if(mmuhack_status)\r
 143                 mmuunhack();\r
 144 \r
 145         return 0;\r
 146 }\r