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 #include <freeldr.h>
  21 #include <debug.h>
  22
  23 DBG_DEFAULT_CHANNEL(WARNING);
  24
  25 VOID NTAPI HalpInitializePciStubs(VOID);
  26 VOID NTAPI HalpInitBusHandler(VOID);
  27
  28 VOID BootMain(LPSTR CmdLine)
  29 {
  30     CmdLineParse(CmdLine);
  31
  32     MachInit(CmdLine);
  33
  34     FsInit();
  35
  36     DebugInit();
  37
  38     TRACE("BootMain() called.\n");
  39
  40     /* Check if the CPU is new enough */
  41     FrLdrCheckCpuCompatiblity();
  42
  43     if (!UiInitialize(FALSE))
  44     {
  45         UiMessageBoxCritical("Unable to initialize UI.\n");
  46         goto quit;
  47     }
  48
  49     if (!MmInitializeMemoryManager())
  50     {
  51         UiMessageBoxCritical("Unable to initialize memory manager");
  52         goto quit;
  53     }
  54
  55 #ifdef _M_IX86
  56         HalpInitializePciStubs();
  57         HalpInitBusHandler();
  58 #endif
  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 iswctype(wint_t wc, wctype_t wctypeFlags)
  84 {
  85     return _isctype((char)wc, wctypeFlags);
  86 }
  87