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 ULONG    GetDefaultOperatingSystem(OperatingSystemItem* OperatingSystemList, ULONG       OperatingSystemCount)
  23 {
  24         CHAR    DefaultOSText[80];
  25         PCSTR   DefaultOSName;
  26         ULONG_PTR       SectionId;
  27         ULONG   DefaultOS = 0;
  28         ULONG   Idx;
  29
  30         if (!IniOpenSection("FreeLoader", &SectionId))
  31         {
  32                 return 0;
  33         }
  34
  35         DefaultOSName = CmdLineGetDefaultOS();
  36         if (NULL == DefaultOSName)
  37         {
  38                 if (IniReadSettingByName(SectionId, "DefaultOS", DefaultOSText, sizeof(DefaultOSText)))
  39                 {
  40                         DefaultOSName = DefaultOSText;
  41                 }
  42         }
  43
  44         if (NULL != DefaultOSName)
  45         {
  46                 for (Idx=0; Idx<OperatingSystemCount; Idx++)
  47                 {
  48                         if (_stricmp(DefaultOSName, OperatingSystemList[Idx].SystemPartition) == 0)
  49                         {
  50                                 DefaultOS = Idx;
  51                                 break;
  52                         }
  53                 }
  54         }
  55
  56         return DefaultOS;
  57 }
  58
  59 LONG GetTimeOut(VOID)
  60 {
  61         CHAR    TimeOutText[20];
  62         LONG            TimeOut;
  63         ULONG_PTR       SectionId;
  64
  65         TimeOut = CmdLineGetTimeOut();
  66         if (0 <= TimeOut)
  67         {
  68                 return TimeOut;
  69         }
  70
  71         if (!IniOpenSection("FreeLoader", &SectionId))
  72         {
  73                 return -1;
  74         }
  75
  76         if (IniReadSettingByName(SectionId, "TimeOut", TimeOutText, sizeof(TimeOutText)))
  77         {
  78                 TimeOut = atoi(TimeOutText);
  79         }
  80         else
  81         {
  82                 TimeOut = -1;
  83         }
  84
  85         return TimeOut;
  86 }
  87
  88 BOOLEAN MainBootMenuKeyPressFilter(ULONG KeyPress)
  89 {
  90         if (KeyPress == KEY_F8)
  91         {
  92                 DoOptionsMenu();
  93
  94                 return TRUE;
  95         }
  96
  97         // We didn't handle the key
  98         return FALSE;
  99 }
 100
 101 VOID RunLoader(VOID)
 102 {
 103         CHAR    SettingValue[80];
 104         CHAR BootType[80];
 105         ULONG_PTR       SectionId;
 106         ULONG           OperatingSystemCount;
 107         OperatingSystemItem*    OperatingSystemList;
 108         PCSTR   *OperatingSystemDisplayNames;
 109         PCSTR SectionName;
 110         ULONG   i;
 111         ULONG           DefaultOperatingSystem;
 112         LONG            TimeOut;
 113         ULONG           SelectedOperatingSystem;
 114
 115         // FIXME: if possible, only detect and register ARC devices...
 116         if (!MachHwDetect())
 117         {
 118                 UiMessageBoxCritical("Error when detecting hardware");
 119                 return;
 120         }
 121
 122 #ifdef _M_IX86
 123         // Load additional SCSI driver (if any)
 124         if (LoadBootDeviceDriver() != ESUCCESS)
 125         {
 126                 UiMessageBoxCritical("Unable to load additional boot device driver");
 127         }
 128 #endif
 129
 130         if (!IniFileInitialize())
 131         {
 132                 UiMessageBoxCritical("Error initializing .ini file");
 133                 return;
 134         }
 135
 136         if (!IniOpenSection("FreeLoader", &SectionId))
 137         {
 138                 UiMessageBoxCritical("Section [FreeLoader] not found in freeldr.ini.");
 139                 return;
 140         }
 141         TimeOut = GetTimeOut();
 142
 143         if (!UiInitialize(TimeOut))
 144         {
 145                 UiMessageBoxCritical("Unable to initialize UI.");
 146                 return;
 147         }
 148
 149         OperatingSystemList = InitOperatingSystemList(&OperatingSystemCount);
 150         if (!OperatingSystemList)
 151         {
 152                 UiMessageBox("Unable to read operating systems section in freeldr.ini.\nPress ENTER to reboot.");
 153                 goto reboot;
 154         }
 155
 156         if (OperatingSystemCount == 0)
 157         {
 158                 UiMessageBox("There were no operating systems listed in freeldr.ini.\nPress ENTER to reboot.");
 159                 goto reboot;
 160         }
 161
 162         DefaultOperatingSystem = GetDefaultOperatingSystem(OperatingSystemList, OperatingSystemCount);
 163
 164         //
 165         // Create list of display names
 166         //
 167         OperatingSystemDisplayNames = MmHeapAlloc(sizeof(PCSTR) * OperatingSystemCount);
 168         if (!OperatingSystemDisplayNames)
 169         {
 170                 goto reboot;
 171         }
 172         for (i = 0; i < OperatingSystemCount; i++)
 173         {
 174                 OperatingSystemDisplayNames[i] = OperatingSystemList[i].LoadIdentifier;
 175         }
 176
 177         //
 178         // Find all the message box settings and run them
 179         //
 180         UiShowMessageBoxesInSection("FreeLoader");
 181
 182         for (;;)
 183         {
 184
 185                 // Redraw the backdrop
 186                 UiDrawBackdrop();
 187
 188                 // Show the operating system list menu
 189                 if (!UiDisplayMenu(OperatingSystemDisplayNames, OperatingSystemCount, DefaultOperatingSystem, TimeOut, &SelectedOperatingSystem, FALSE, MainBootMenuKeyPressFilter))
 190                 {
 191                         UiMessageBox("Press ENTER to reboot.");
 192                         goto reboot;
 193                 }
 194
 195                 TimeOut = -1;
 196
 197                 // Try to open the operating system section in the .ini file
 198                 SettingValue[0] = ANSI_NULL;
 199                 SectionName = OperatingSystemList[SelectedOperatingSystem].SystemPartition;
 200                 if (IniOpenSection(SectionName, &SectionId))
 201                 {
 202                         // Try to read the boot type
 203                         IniReadSettingByName(SectionId, "BootType", BootType, sizeof(BootType));
 204                 }
 205                 else
 206                         BootType[0] = ANSI_NULL;
 207
 208                 if (BootType[0] == ANSI_NULL && SectionName[0] != ANSI_NULL)
 209                 {
 210                         // Try to infere boot type value
 211 #ifdef __i386__
 212                         ULONG FileId;
 213                         if (ArcOpen((CHAR*)SectionName, OpenReadOnly, &FileId) == ESUCCESS)
 214                         {
 215                                 ArcClose(FileId);
 216                                 strcpy(BootType, "BootSector");
 217                         }
 218                         else
 219 #endif
 220                         {
 221                                 strcpy(BootType, "Windows");
 222                         }
 223                 }
 224
 225                 // Get OS setting value
 226                 IniOpenSection("Operating Systems", &SectionId);
 227                 IniReadSettingByName(SectionId, SectionName, SettingValue, sizeof(SettingValue));
 228
 229 #ifndef _M_ARM
 230                 // Install the drive mapper according to this sections drive mappings
 231 #ifdef __i386__
 232                 DriveMapMapDrivesInSection(SectionName);
 233 #endif
 234                 if (_stricmp(BootType, "ReactOS") == 0)
 235                 {
 236                         LoadAndBootReactOS(SectionName);
 237                 }
 238 #ifdef FREELDR_REACTOS_SETUP
 239                 else if (_stricmp(BootType, "ReactOSSetup") == 0)
 240                 {
 241                         // In future we could pass the selected OS details through this
 242                         // to have different install methods, etc.
 243                         LoadReactOSSetup();
 244                 }
 245 #if defined(__i386__) || defined(__x86_64__)
 246                 else if (_stricmp(BootType, "ReactOSSetup2") == 0)
 247                 {
 248                         // WinLdr-style boot
 249                         LoadReactOSSetup2();
 250                 }
 251 #endif
 252 #endif
 253 #ifdef __i386__
 254                 else if (_stricmp(BootType, "Windows") == 0)
 255                 {
 256                         LoadAndBootWindows(SectionName, SettingValue, 0);
 257                 }
 258                 else if (_stricmp(BootType, "WindowsNT40") == 0)
 259                 {
 260                         LoadAndBootWindows(SectionName, SettingValue, _WIN32_WINNT_NT4);
 261                 }
 262                 else if (_stricmp(BootType, "Windows2003") == 0)
 263                 {
 264                         LoadAndBootWindows(SectionName, SettingValue, _WIN32_WINNT_WS03);
 265                 }
 266                 else if (_stricmp(BootType, "Linux") == 0)
 267                 {
 268                         LoadAndBootLinux(SectionName, OperatingSystemDisplayNames[SelectedOperatingSystem]);
 269                 }
 270                 else if (_stricmp(BootType, "BootSector") == 0)
 271                 {
 272                         LoadAndBootBootSector(SectionName);
 273                 }
 274                 else if (_stricmp(BootType, "Partition") == 0)
 275                 {
 276                         LoadAndBootPartition(SectionName);
 277                 }
 278                 else if (_stricmp(BootType, "Drive") == 0)
 279                 {
 280                         LoadAndBootDrive(SectionName);
 281                 }
 282 #endif
 283 #else
 284         LoadAndBootWindows(SectionName, SettingValue, _WIN32_WINNT_WS03);
 285 #endif
 286         }
 287
 288
 289 reboot:
 290         UiUnInitialize("Rebooting...");
 291         return;
 292 }