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 /* GLOBALS ********************************************************************/
  28
  29 CCHAR FrldrBootPath[MAX_PATH] = "";
  30
  31 /* FUNCTIONS ******************************************************************/
  32
  33 VOID __cdecl BootMain(IN PCCH CmdLine)
  34 {
  35     CmdLineParse(CmdLine);
  36
  37     /* Debugger pre-initialization */
  38     DebugInit(0);
  39
  40     TRACE("BootMain() called.\n");
  41
  42     MachInit(CmdLine);
  43
  44     /* Check if the CPU is new enough */
  45     FrLdrCheckCpuCompatibility(); // FIXME: Should be done inside MachInit!
  46
  47     /* UI pre-initialization */
  48     if (!UiInitialize(FALSE))
  49     {
  50         UiMessageBoxCritical("Unable to initialize UI.");
  51         goto Quit;
  52     }
  53
  54     /* Initialize memory manager */
  55     if (!MmInitializeMemoryManager())
  56     {
  57         UiMessageBoxCritical("Unable to initialize memory manager.");
  58         goto Quit;
  59     }
  60
  61     /* Initialize I/O subsystem */
  62     FsInit();
  63
  64     RunLoader();
  65
  66 Quit:
  67     /* If we reach this point, something went wrong before, therefore reboot */
  68     Reboot();
  69 }
  70
  71 // We need to emulate these, because the original ones don't work in freeldr
  72 // These functions are here, because they need to be in the main compilation unit
  73 // and cannot be in a library.
  74 int __cdecl wctomb(char *mbchar, wchar_t wchar)
  75 {
  76     *mbchar = (char)wchar;
  77     return 1;
  78 }
  79
  80 int __cdecl mbtowc(wchar_t *wchar, const char *mbchar, size_t count)
  81 {
  82     *wchar = (wchar_t)*mbchar;
  83     return 1;
  84 }
  85
  86 // The wctype table is 144 KB, too much for poor freeldr
  87 int __cdecl iswctype(wint_t wc, wctype_t wctypeFlags)
  88 {
  89     return _isctype((char)wc, wctypeFlags);
  90 }