reactos/boot/freeldr/freeldr/bootmgr.c

   1 /*
   2  *  FreeLoader
   3  *  Copyright (C) 1998-2003  Brian Palmer  <brianp@sginet.com>
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program; if not, write to the Free Software
  17  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19
  20 #include <freeldr.h>
  21
  22 VOID RunLoader(VOID)
  23 {
  24         CHAR    SettingName[80];
  25         CHAR    SettingValue[80];
  26         ULONG           SectionId;
  27         ULONG           OperatingSystemCount;
  28         PCSTR   *OperatingSystemSectionNames;
  29         PCSTR   *OperatingSystemDisplayNames;
  30         ULONG           DefaultOperatingSystem;
  31         LONG            TimeOut;
  32         ULONG           SelectedOperatingSystem;
  33
  34         if (!FsOpenBootVolume())
  35         {
  36                 printf("Error opening boot partition for file access.\n");
  37                 MachConsGetCh();
  38                 return;
  39         }
  40
  41         if (!IniFileInitialize())
  42         {
  43                 printf("Press any key to reboot.\n");
  44                 MachConsGetCh();
  45                 return;
  46         }
  47
  48         if (!IniOpenSection("FreeLoader", &SectionId))
  49         {
  50                 printf("Section [FreeLoader] not found in freeldr.ini.\n");
  51                 MachConsGetCh();
  52                 return;
  53         }
  54         TimeOut = GetTimeOut();
  55
  56         if (!UiInitialize(TimeOut))
  57         {
  58                 printf("Press any key to reboot.\n");
  59                 MachConsGetCh();
  60                 return;
  61         }
  62
  63
  64         if (!InitOperatingSystemList(&OperatingSystemSectionNames, &OperatingSystemDisplayNames, &OperatingSystemCount))
  65         {
  66                 UiMessageBox("Press ENTER to reboot.\n");
  67                 goto reboot;
  68         }
  69
  70         if (OperatingSystemCount == 0)
  71         {
  72                 UiMessageBox("There were no operating systems listed in freeldr.ini.\nPress ENTER to reboot.");
  73                 goto reboot;
  74         }
  75
  76         DefaultOperatingSystem = GetDefaultOperatingSystem(OperatingSystemSectionNames, OperatingSystemCount);
  77
  78         //
  79         // Find all the message box settings and run them
  80         //
  81         UiShowMessageBoxesInSection("FreeLoader");
  82
  83         for (;;)
  84         {
  85
  86                 /* If Timeout is 0, don't even bother loading any gui */
  87                 if (!UserInterfaceUp) {
  88                         SelectedOperatingSystem = DefaultOperatingSystem;
  89                         goto NoGui;
  90                 }
  91
  92                 // Redraw the backdrop
  93                 UiDrawBackdrop();
  94
  95                 // Show the operating system list menu
  96                 if (!UiDisplayMenu(OperatingSystemDisplayNames, OperatingSystemCount, DefaultOperatingSystem, TimeOut, &SelectedOperatingSystem, FALSE, MainBootMenuKeyPressFilter))
  97                 {
  98                         UiMessageBox("Press ENTER to reboot.\n");
  99                         goto reboot;
 100                 }
 101
 102 NoGui:
 103                 TimeOut = -1;
 104
 105                 // Try to open the operating system section in the .ini file
 106                 if (!IniOpenSection(OperatingSystemSectionNames[SelectedOperatingSystem], &SectionId))
 107                 {
 108                         sprintf(SettingName, "Section [%s] not found in freeldr.ini.\n", OperatingSystemSectionNames[SelectedOperatingSystem]);
 109                         UiMessageBox(SettingName);
 110                         continue;
 111                 }
 112
 113                 // Try to read the boot type
 114                 if (!IniReadSettingByName(SectionId, "BootType", SettingValue, 80))
 115                 {
 116                         sprintf(SettingName, "BootType= line not found in section [%s] in freeldr.ini.\n", OperatingSystemSectionNames[SelectedOperatingSystem]);
 117                         UiMessageBox(SettingName);
 118                         continue;
 119                 }
 120
 121                 // Install the drive mapper according to this sections drive mappings
 122                 DriveMapMapDrivesInSection(OperatingSystemSectionNames[SelectedOperatingSystem]);
 123                 if (_stricmp(SettingValue, "ReactOS") == 0)
 124                 {
 125                         LoadAndBootReactOS(OperatingSystemSectionNames[SelectedOperatingSystem]);
 126                 }
 127                 else if (_stricmp(SettingValue, "Linux") == 0)
 128                 {
 129                         LoadAndBootLinux(OperatingSystemSectionNames[SelectedOperatingSystem], OperatingSystemDisplayNames[SelectedOperatingSystem]);
 130                 }
 131                 else if (_stricmp(SettingValue, "BootSector") == 0)
 132                 {
 133                         LoadAndBootBootSector(OperatingSystemSectionNames[SelectedOperatingSystem]);
 134                 }
 135                 else if (_stricmp(SettingValue, "Partition") == 0)
 136                 {
 137                         LoadAndBootPartition(OperatingSystemSectionNames[SelectedOperatingSystem]);
 138                 }
 139                 else if (_stricmp(SettingValue, "Drive") == 0)
 140                 {
 141                         LoadAndBootDrive(OperatingSystemSectionNames[SelectedOperatingSystem]);
 142                 }
 143         }
 144
 145
 146 reboot:
 147         UiUnInitialize("Rebooting...");
 148         return;
 149 }
 150
 151 ULONG    GetDefaultOperatingSystem(PCSTR OperatingSystemList[], ULONG    OperatingSystemCount)
 152 {
 153         CHAR    DefaultOSText[80];
 154         PCSTR   DefaultOSName;
 155         ULONG   SectionId;
 156         ULONG   DefaultOS = 0;
 157         ULONG   Idx;
 158
 159         if (!IniOpenSection("FreeLoader", &SectionId))
 160         {
 161                 return 0;
 162         }
 163
 164         DefaultOSName = CmdLineGetDefaultOS();
 165         if (NULL == DefaultOSName)
 166         {
 167                 if (IniReadSettingByName(SectionId, "DefaultOS", DefaultOSText, 80))
 168                 {
 169                         DefaultOSName = DefaultOSText;
 170                 }
 171         }
 172
 173         if (NULL != DefaultOSName)
 174         {
 175                 for (Idx=0; Idx<OperatingSystemCount; Idx++)
 176                 {
 177                         if (_stricmp(DefaultOSName, OperatingSystemList[Idx]) == 0)
 178                         {
 179                                 DefaultOS = Idx;
 180                                 break;
 181                         }
 182                 }
 183         }
 184
 185         return DefaultOS;
 186 }
 187
 188 LONG GetTimeOut(VOID)
 189 {
 190         CHAR    TimeOutText[20];
 191         LONG            TimeOut;
 192         ULONG           SectionId;
 193
 194         TimeOut = CmdLineGetTimeOut();
 195         if (0 <= TimeOut)
 196         {
 197                 return TimeOut;
 198         }
 199
 200         if (!IniOpenSection("FreeLoader", &SectionId))
 201         {
 202                 return -1;
 203         }
 204
 205         if (IniReadSettingByName(SectionId, "TimeOut", TimeOutText, 20))
 206         {
 207                 TimeOut = atoi(TimeOutText);
 208         }
 209         else
 210         {
 211                 TimeOut = -1;
 212         }
 213
 214         return TimeOut;
 215 }
 216
 217 BOOL MainBootMenuKeyPressFilter(ULONG KeyPress)
 218 {
 219         if (KeyPress == KEY_F8)
 220         {
 221                 DoOptionsMenu();
 222
 223                 return TRUE;
 224         }
 225
 226         // We didn't handle the key
 227         return FALSE;
 228 }