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 /* Load the default settings from the command-line */ 36 LoadSettings(CmdLine); 37 38 /* Debugger pre-initialization */ 39 DebugInit(BootMgrInfo.DebugString); 40 41 MachInit(CmdLine); 42 43 TRACE("BootMain() called.\n"); 44 45 #ifndef UEFIBOOT 46 /* Check if the CPU is new enough */ 47 FrLdrCheckCpuCompatibility(); // FIXME: Should be done inside MachInit! 48 #endif 49 50 /* UI pre-initialization */ 51 if (!UiInitialize(FALSE)) 52 { 53 UiMessageBoxCritical("Unable to initialize UI."); 54 goto Quit; 55 } 56 57 /* Initialize memory manager */ 58 if (!MmInitializeMemoryManager()) 59 { 60 UiMessageBoxCritical("Unable to initialize memory manager."); 61 goto Quit; 62 } 63 64 /* Initialize I/O subsystem */ 65 FsInit(); 66 67 RunLoader(); 68 69 Quit: 70 /* If we reach this point, something went wrong before, therefore reboot */ 71 Reboot(); 72 } 73 74 // We need to emulate these, because the original ones don't work in freeldr 75 // These functions are here, because they need to be in the main compilation unit 76 // and cannot be in a library. 77 int __cdecl wctomb(char *mbchar, wchar_t wchar) 78 { 79 *mbchar = (char)wchar; 80 return 1; 81 } 82 83 int __cdecl mbtowc(wchar_t *wchar, const char *mbchar, size_t count) 84 { 85 *wchar = (wchar_t)*mbchar; 86 return 1; 87 } 88 89 // The wctype table is 144 KB, too much for poor freeldr 90 int __cdecl iswctype(wint_t wc, wctype_t wctypeFlags) 91 { 92 return _isctype((char)wc, wctypeFlags); 93 } 94 95 #ifdef _MSC_VER 96 #pragma warning(disable:4164) 97 #pragma function(pow) 98 #pragma function(log) 99 #pragma function(log10) 100 #endif 101 102 // Stubs to avoid pulling in data from CRT 103 double pow(double x, double y) 104 { 105 __debugbreak(); 106 return 0.0; 107 } 108 109 double log(double x) 110 { 111 __debugbreak(); 112 return 0.0; 113 } 114 115 double log10(double x) 116 { 117 __debugbreak(); 118 return 0.0; 119 } 120