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 along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19
  20 #include <freeldr.h>
  21
  22 ARC_DISK_SIGNATURE reactos_arc_disk_info[32]; // ARC Disk Information
  23 ULONG reactos_disk_count = 0;
  24 CHAR reactos_arc_hardware_data[HW_MAX_ARC_HEAP_SIZE] = {0};
  25 CHAR reactos_arc_strings[32][256];
  26
  27 ULONG    GetDefaultOperatingSystem(OperatingSystemItem* OperatingSystemList, ULONG       OperatingSystemCount)
  28 {
  29         CHAR    DefaultOSText[80];
  30         PCSTR   DefaultOSName;
  31         ULONG_PTR       SectionId;
  32         ULONG   DefaultOS = 0;
  33         ULONG   Idx;
  34
  35         if (!IniOpenSection("FreeLoader", &SectionId))
  36         {
  37                 return 0;
  38         }
  39
  40         DefaultOSName = CmdLineGetDefaultOS();
  41         if (NULL == DefaultOSName)
  42         {
  43                 if (IniReadSettingByName(SectionId, "DefaultOS", DefaultOSText, sizeof(DefaultOSText)))
  44                 {
  45                         DefaultOSName = DefaultOSText;
  46                 }
  47         }
  48
  49         if (NULL != DefaultOSName)
  50         {
  51                 for (Idx=0; Idx<OperatingSystemCount; Idx++)
  52                 {
  53                         if (_stricmp(DefaultOSName, OperatingSystemList[Idx].SystemPartition) == 0)
  54                         {
  55                                 DefaultOS = Idx;
  56                                 break;
  57                         }
  58                 }
  59         }
  60
  61         return DefaultOS;
  62 }
  63
  64 LONG GetTimeOut(VOID)
  65 {
  66         CHAR    TimeOutText[20];
  67         LONG            TimeOut;
  68         ULONG_PTR       SectionId;
  69
  70         TimeOut = CmdLineGetTimeOut();
  71         if (0 <= TimeOut)
  72         {
  73                 return TimeOut;
  74         }
  75
  76         if (!IniOpenSection("FreeLoader", &SectionId))
  77         {
  78                 return -1;
  79         }
  80
  81         if (IniReadSettingByName(SectionId, "TimeOut", TimeOutText, sizeof(TimeOutText)))
  82         {
  83                 TimeOut = atoi(TimeOutText);
  84         }
  85         else
  86         {
  87                 TimeOut = -1;
  88         }
  89
  90         return TimeOut;
  91 }
  92
  93 BOOLEAN MainBootMenuKeyPressFilter(ULONG KeyPress)
  94 {
  95         if (KeyPress == KEY_F8)
  96         {
  97                 DoOptionsMenu();
  98
  99                 return TRUE;
 100         }
 101
 102         // We didn't handle the key
 103         return FALSE;
 104 }
 105
 106 VOID RunLoader(VOID)
 107 {
 108         CHAR    SettingValue[80];
 109         CHAR BootType[80];
 110         ULONG_PTR       SectionId;
 111         ULONG           OperatingSystemCount;
 112         OperatingSystemItem*    OperatingSystemList;
 113         PCSTR   *OperatingSystemDisplayNames;
 114         PCSTR SectionName;
 115         ULONG   i;
 116         ULONG           DefaultOperatingSystem;
 117         LONG            TimeOut;
 118         ULONG           SelectedOperatingSystem;
 119
 120         // FIXME: if possible, only detect and register ARC devices...
 121         if (!MachHwDetect())
 122         {
 123                 UiMessageBoxCritical("Error when detecting hardware");
 124                 return;
 125         }
 126
 127 #ifdef _M_IX86
 128         // Load additional SCSI driver (if any)
 129         if (LoadBootDeviceDriver() != ESUCCESS)
 130         {
 131                 UiMessageBoxCritical("Unable to load additional boot device driver");
 132         }
 133 #endif
 134
 135         if (!IniFileInitialize())
 136         {
 137                 UiMessageBoxCritical("Error initializing .ini file");
 138                 return;
 139         }
 140
 141         if (!IniOpenSection("FreeLoader", &SectionId))
 142         {
 143                 UiMessageBoxCritical("Section [FreeLoader] not found in freeldr.ini.");
 144                 return;
 145         }
 146         TimeOut = GetTimeOut();
 147
 148         if (!UiInitialize(TRUE))
 149         {
 150                 UiMessageBoxCritical("Unable to initialize UI.");
 151                 return;
 152         }
 153
 154         OperatingSystemList = InitOperatingSystemList(&OperatingSystemCount);
 155         if (!OperatingSystemList)
 156         {
 157                 UiMessageBox("Unable to read operating systems section in freeldr.ini.\nPress ENTER to reboot.");
 158                 goto reboot;
 159         }
 160
 161         if (OperatingSystemCount == 0)
 162         {
 163                 UiMessageBox("There were no operating systems listed in freeldr.ini.\nPress ENTER to reboot.");
 164                 goto reboot;
 165         }
 166
 167         DefaultOperatingSystem = GetDefaultOperatingSystem(OperatingSystemList, OperatingSystemCount);
 168
 169         //
 170         // Create list of display names
 171         //
 172         OperatingSystemDisplayNames = MmHeapAlloc(sizeof(PCSTR) * OperatingSystemCount);
 173         if (!OperatingSystemDisplayNames)
 174         {
 175                 goto reboot;
 176         }
 177         for (i = 0; i < OperatingSystemCount; i++)
 178         {
 179                 OperatingSystemDisplayNames[i] = OperatingSystemList[i].LoadIdentifier;
 180         }
 181
 182         //
 183         // Find all the message box settings and run them
 184         //
 185         UiShowMessageBoxesInSection("FreeLoader");
 186
 187         for (;;)
 188         {
 189
 190                 // Redraw the backdrop
 191                 UiDrawBackdrop();
 192
 193                 // Show the operating system list menu
 194                 if (!UiDisplayMenu("Please select the operating system to start:",
 195                                    OperatingSystemDisplayNames,
 196                                    OperatingSystemCount,
 197                                    DefaultOperatingSystem,
 198                                    TimeOut,
 199                                    &SelectedOperatingSystem,
 200                                    FALSE,
 201                                    MainBootMenuKeyPressFilter))
 202                 {
 203                         UiMessageBox("Press ENTER to reboot.");
 204                         goto reboot;
 205                 }
 206
 207                 TimeOut = -1;
 208
 209                 // Try to open the operating system section in the .ini file
 210                 SettingValue[0] = ANSI_NULL;
 211                 SectionName = OperatingSystemList[SelectedOperatingSystem].SystemPartition;
 212                 if (IniOpenSection(SectionName, &SectionId))
 213                 {
 214                         // Try to read the boot type
 215                         IniReadSettingByName(SectionId, "BootType", BootType, sizeof(BootType));
 216                 }
 217                 else
 218                         BootType[0] = ANSI_NULL;
 219
 220                 if (BootType[0] == ANSI_NULL && SectionName[0] != ANSI_NULL)
 221                 {
 222                         // Try to infere boot type value
 223 #ifdef _M_IX86
 224                         ULONG FileId;
 225                         if (ArcOpen((CHAR*)SectionName, OpenReadOnly, &FileId) == ESUCCESS)
 226                         {
 227                                 ArcClose(FileId);
 228                                 strcpy(BootType, "BootSector");
 229                         }
 230                         else
 231 #endif
 232                         {
 233                                 strcpy(BootType, "Windows");
 234                         }
 235                 }
 236
 237                 // Get OS setting value
 238                 IniOpenSection("Operating Systems", &SectionId);
 239                 IniReadSettingByName(SectionId, SectionName, SettingValue, sizeof(SettingValue));
 240
 241                 // Install the drive mapper according to this sections drive mappings
 242 #if defined(_M_IX86) && !defined(_MSC_VER)
 243                 DriveMapMapDrivesInSection(SectionName);
 244 #endif
 245
 246 #ifdef FREELDR_REACTOS_SETUP
 247         // WinLdr-style boot
 248         LoadReactOSSetup();
 249 #elif defined(_M_IX86)
 250                 if (_stricmp(BootType, "Windows") == 0)
 251                 {
 252                         LoadAndBootWindows(SectionName, SettingValue, 0);
 253                 }
 254                 else if (_stricmp(BootType, "WindowsNT40") == 0)
 255                 {
 256                         LoadAndBootWindows(SectionName, SettingValue, _WIN32_WINNT_NT4);
 257                 }
 258                 else if (_stricmp(BootType, "Windows2003") == 0)
 259                 {
 260                         LoadAndBootWindows(SectionName, SettingValue, _WIN32_WINNT_WS03);
 261                 }
 262                 else if (_stricmp(BootType, "Linux") == 0)
 263                 {
 264                         LoadAndBootLinux(SectionName, OperatingSystemDisplayNames[SelectedOperatingSystem]);
 265                 }
 266                 else if (_stricmp(BootType, "BootSector") == 0)
 267                 {
 268                         LoadAndBootBootSector(SectionName);
 269                 }
 270                 else if (_stricmp(BootType, "Partition") == 0)
 271                 {
 272                         LoadAndBootPartition(SectionName);
 273                 }
 274                 else if (_stricmp(BootType, "Drive") == 0)
 275                 {
 276                         LoadAndBootDrive(SectionName);
 277                 }
 278 #else
 279                 LoadAndBootWindows(SectionName, SettingValue, _WIN32_WINNT_WS03);
 280 #endif
 281         }
 282
 283 reboot:
 284         UiUnInitialize("Rebooting...");
 285         return;
 286 }