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
  24 #include <debug.h>
  25 DBG_DEFAULT_CHANNEL(WARNING);
  26
  27 /* FUNCTIONS ******************************************************************/
  28
  29 VOID __cdecl BootMain(IN PCCH CmdLine)
  30 {
  31     CmdLineParse(CmdLine);
  32
  33     /* Debugger pre-initialization */
  34     DebugInit(0);
  35
  36     TRACE("BootMain() called.\n");
  37
  38     MachInit(CmdLine);
  39
  40     /* Check if the CPU is new enough */
  41     FrLdrCheckCpuCompatibility(); // FIXME: Should be done inside MachInit!
  42
  43     /* UI pre-initialization */
  44     if (!UiInitialize(FALSE))
  45     {
  46         UiMessageBoxCritical("Unable to initialize UI.");
  47         goto Quit;
  48     }
  49
  50     /* Initialize memory manager */
  51     if (!MmInitializeMemoryManager())
  52     {
  53         UiMessageBoxCritical("Unable to initialize memory manager.");
  54         goto Quit;
  55     }
  56
  57     /* Initialize I/O subsystem */
  58     FsInit();
  59
  60     RunLoader();
  61
  62 Quit:
  63     /* If we reach this point, something went wrong before, therefore reboot */
  64 #if defined(__i386__) || defined(_M_AMD64)
  65     DiskStopFloppyMotor();
  66 #endif
  67     Reboot();
  68 }
  69
  70 // We need to emulate these, because the original ones don't work in freeldr
  71 // These functions are here, because they need to be in the main compilation unit
  72 // and cannot be in a library.
  73 int __cdecl wctomb(char *mbchar, wchar_t wchar)
  74 {
  75     *mbchar = (char)wchar;
  76     return 1;
  77 }
  78
  79 int __cdecl mbtowc(wchar_t *wchar, const char *mbchar, size_t count)
  80 {
  81     *wchar = (wchar_t)*mbchar;
  82     return 1;
  83 }
  84
  85 // The wctype table is 144 KB, too much for poor freeldr
  86 int __cdecl iswctype(wint_t wc, wctype_t wctypeFlags)
  87 {
  88     return _isctype((char)wc, wctypeFlags);
  89 }