reactos/boot/freeldr/freeldr/freeldr.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 /* INCLUDES *******************************************************************/
  21
  22 #include <freeldr.h>
  23 #include <debug.h>
  24
  25 DBG_DEFAULT_CHANNEL(WARNING);
  26
  27 /* FUNCTIONS ******************************************************************/
  28
  29 VOID __cdecl BootMain(LPSTR CmdLine)
  30 {
  31     CmdLineParse(CmdLine);
  32     MachInit(CmdLine);
  33     FsInit();
  34
  35     DebugInit();
  36
  37     TRACE("BootMain() called.\n");
  38
  39     /* Check if the CPU is new enough */
  40     FrLdrCheckCpuCompatiblity();
  41
  42     if (!UiInitialize(FALSE))
  43     {
  44         UiMessageBoxCritical("Unable to initialize UI.");
  45         goto Quit;
  46     }
  47
  48     if (!MmInitializeMemoryManager())
  49     {
  50         UiMessageBoxCritical("Unable to initialize memory manager.");
  51         goto Quit;
  52     }
  53
  54 #ifdef _M_IX86
  55     HalpInitializePciStubs();
  56     HalpInitBusHandler();
  57 #endif
  58
  59     RunLoader();
  60
  61 Quit:
  62     /* If we reach this point, something went wrong before, therefore reboot */
  63     DiskStopFloppyMotor();
  64     Reboot();
  65 }
  66
  67 // We need to emulate these, because the original ones don't work in freeldr
  68 // These functions are here, because they need to be in the main compilation unit
  69 // and cannot be in a library.
  70 int __cdecl wctomb(char *mbchar, wchar_t wchar)
  71 {
  72     *mbchar = (char)wchar;
  73     return 1;
  74 }
  75
  76 int __cdecl mbtowc(wchar_t *wchar, const char *mbchar, size_t count)
  77 {
  78     *wchar = (wchar_t)*mbchar;
  79     return 1;
  80 }
  81
  82 // The wctype table is 144 KB, too much for poor freeldr
  83 int __cdecl iswctype(wint_t wc, wctype_t wctypeFlags)
  84 {
  85     return _isctype((char)wc, wctypeFlags);
  86 }