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                 UiMessageBoxCritical("Error opening boot partition for file access.");
  37                 return;
  38         }
  39
  40         //
  41         // Check if we have a virtual RAM disk
  42         // This is for x86 emulation -- on real hardware, the RAM disk will be
  43         // located in one of the hardware memory descriptors as well as on the
  44         // freeldr command-line
  45         //
  46         RamDiskCheckForVirtualFile();
  47
  48         if (!IniFileInitialize())
  49         {
  50                 UiMessageBoxCritical("Error initializing .ini file");
  51                 return;
  52         }
  53
  54         if (!IniOpenSection("FreeLoader", &SectionId))
  55         {
  56                 UiMessageBoxCritical("Section [FreeLoader] not found in freeldr.ini.");
  57                 return;
  58         }
  59         TimeOut = GetTimeOut();
  60
  61         if (!UiInitialize(TimeOut))
  62         {
  63                 UiMessageBoxCritical("Unable to initialize UI.");
  64                 return;
  65         }
  66
  67
  68         if (!InitOperatingSystemList(&OperatingSystemSectionNames, &OperatingSystemDisplayNames, &OperatingSystemCount))
  69         {
  70                 UiMessageBox("Press ENTER to reboot.");
  71                 goto reboot;
  72         }
  73
  74         if (OperatingSystemCount == 0)
  75         {
  76                 UiMessageBox("There were no operating systems listed in freeldr.ini.\nPress ENTER to reboot.");
  77                 goto reboot;
  78         }
  79
  80         DefaultOperatingSystem = GetDefaultOperatingSystem(OperatingSystemSectionNames, OperatingSystemCount);
  81
  82         //
  83         // Find all the message box settings and run them
  84         //
  85         UiShowMessageBoxesInSection("FreeLoader");
  86
  87         for (;;)
  88         {
  89
  90                 // Redraw the backdrop
  91                 UiDrawBackdrop();
  92
  93                 // Show the operating system list menu
  94                 if (!UiDisplayMenu(OperatingSystemDisplayNames, OperatingSystemCount, DefaultOperatingSystem, TimeOut, &SelectedOperatingSystem, FALSE, MainBootMenuKeyPressFilter))
  95                 {
  96                         UiMessageBox("Press ENTER to reboot.");
  97                         goto reboot;
  98                 }
  99
 100                 TimeOut = -1;
 101
 102                 // Try to open the operating system section in the .ini file
 103                 if (!IniOpenSection(OperatingSystemSectionNames[SelectedOperatingSystem], &SectionId))
 104                 {
 105                         sprintf(SettingName, "Section [%s] not found in freeldr.ini.", OperatingSystemSectionNames[SelectedOperatingSystem]);
 106                         UiMessageBox(SettingName);
 107                         continue;
 108                 }
 109
 110                 // Try to read the boot type
 111                 if (!IniReadSettingByName(SectionId, "BootType", SettingValue, sizeof(SettingValue)))
 112                 {
 113                         sprintf(SettingName, "BootType= line not found in section [%s] in freeldr.ini.", OperatingSystemSectionNames[SelectedOperatingSystem]);
 114                         UiMessageBox(SettingName);
 115                         continue;
 116                 }
 117
 118                 // Install the drive mapper according to this sections drive mappings
 119 #ifdef __i386__
 120                 DriveMapMapDrivesInSection(OperatingSystemSectionNames[SelectedOperatingSystem]);
 121 #endif
 122                 if (_stricmp(SettingValue, "ReactOS") == 0)
 123                 {
 124                         LoadAndBootReactOS(OperatingSystemSectionNames[SelectedOperatingSystem]);
 125                 }
 126 #ifdef __i386__
 127                 else if (_stricmp(SettingValue, "WindowsNT40") == 0)
 128                 {
 129                         LoadAndBootWindows(OperatingSystemSectionNames[SelectedOperatingSystem], _WIN32_WINNT_NT4);
 130                 }
 131                 else if (_stricmp(SettingValue, "Windows2000") == 0)
 132                 {
 133                         LoadAndBootWindows(OperatingSystemSectionNames[SelectedOperatingSystem], _WIN32_WINNT_WIN2K);
 134                 }
 135                 else if (_stricmp(SettingValue, "WindowsXP") == 0)
 136                 {
 137                         LoadAndBootWindows(OperatingSystemSectionNames[SelectedOperatingSystem], _WIN32_WINNT_WINXP);
 138                 }
 139                 else if (_stricmp(SettingValue, "Windows2003") == 0)
 140                 {
 141                         LoadAndBootWindows(OperatingSystemSectionNames[SelectedOperatingSystem], _WIN32_WINNT_WS03);
 142                 }
 143                 else if (_stricmp(SettingValue, "Linux") == 0)
 144                 {
 145                         LoadAndBootLinux(OperatingSystemSectionNames[SelectedOperatingSystem], OperatingSystemDisplayNames[SelectedOperatingSystem]);
 146                 }
 147                 else if (_stricmp(SettingValue, "BootSector") == 0)
 148                 {
 149                         LoadAndBootBootSector(OperatingSystemSectionNames[SelectedOperatingSystem]);
 150                 }
 151                 else if (_stricmp(SettingValue, "Partition") == 0)
 152                 {
 153                         LoadAndBootPartition(OperatingSystemSectionNames[SelectedOperatingSystem]);
 154                 }
 155                 else if (_stricmp(SettingValue, "Drive") == 0)
 156                 {
 157                         LoadAndBootDrive(OperatingSystemSectionNames[SelectedOperatingSystem]);
 158                 }
 159 #endif
 160         }
 161
 162
 163 reboot:
 164         UiUnInitialize("Rebooting...");
 165         return;
 166 }
 167
 168 ULONG    GetDefaultOperatingSystem(PCSTR OperatingSystemList[], ULONG    OperatingSystemCount)
 169 {
 170         CHAR    DefaultOSText[80];
 171         PCSTR   DefaultOSName;
 172         ULONG   SectionId;
 173         ULONG   DefaultOS = 0;
 174         ULONG   Idx;
 175
 176         if (!IniOpenSection("FreeLoader", &SectionId))
 177         {
 178                 return 0;
 179         }
 180
 181         DefaultOSName = CmdLineGetDefaultOS();
 182         if (NULL == DefaultOSName)
 183         {
 184                 if (IniReadSettingByName(SectionId, "DefaultOS", DefaultOSText, sizeof(DefaultOSText)))
 185                 {
 186                         DefaultOSName = DefaultOSText;
 187                 }
 188         }
 189
 190         if (NULL != DefaultOSName)
 191         {
 192                 for (Idx=0; Idx<OperatingSystemCount; Idx++)
 193                 {
 194                         if (_stricmp(DefaultOSName, OperatingSystemList[Idx]) == 0)
 195                         {
 196                                 DefaultOS = Idx;
 197                                 break;
 198                         }
 199                 }
 200         }
 201
 202         return DefaultOS;
 203 }
 204
 205 LONG GetTimeOut(VOID)
 206 {
 207         CHAR    TimeOutText[20];
 208         LONG            TimeOut;
 209         ULONG           SectionId;
 210
 211         TimeOut = CmdLineGetTimeOut();
 212         if (0 <= TimeOut)
 213         {
 214                 return TimeOut;
 215         }
 216
 217         if (!IniOpenSection("FreeLoader", &SectionId))
 218         {
 219                 return -1;
 220         }
 221
 222         if (IniReadSettingByName(SectionId, "TimeOut", TimeOutText, sizeof(TimeOutText)))
 223         {
 224                 TimeOut = atoi(TimeOutText);
 225         }
 226         else
 227         {
 228                 TimeOut = -1;
 229         }
 230
 231         return TimeOut;
 232 }
 233
 234 BOOLEAN MainBootMenuKeyPressFilter(ULONG KeyPress)
 235 {
 236         if (KeyPress == KEY_F8)
 237         {
 238                 DoOptionsMenu();
 239
 240                 return TRUE;
 241         }
 242
 243         // We didn't handle the key
 244         return FALSE;
 245 }