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
BootMain(IN PCCH CmdLine)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 /* Initialize the module list */
68 if (!PeLdrInitializeModuleList())
69 {
70 UiMessageBoxCritical("Unable to initialize module list.");
71 goto Quit;
72 }
73
74 RunLoader();
75
76 Quit:
77 /* If we reach this point, something went wrong before, therefore reboot */
78 Reboot();
79 }
80
81 // We need to emulate these, because the original ones don't work in freeldr
82 // These functions are here, because they need to be in the main compilation unit
83 // and cannot be in a library.
wctomb(char * mbchar,wchar_t wchar)84 int __cdecl wctomb(char *mbchar, wchar_t wchar)
85 {
86 *mbchar = (char)wchar;
87 return 1;
88 }
89
mbtowc(wchar_t * wchar,const char * mbchar,size_t count)90 int __cdecl mbtowc(wchar_t *wchar, const char *mbchar, size_t count)
91 {
92 *wchar = (wchar_t)*mbchar;
93 return 1;
94 }
95
96 // The wctype table is 144 KB, too much for poor freeldr
iswctype(wint_t wc,wctype_t wctypeFlags)97 int __cdecl iswctype(wint_t wc, wctype_t wctypeFlags)
98 {
99 return _isctype((char)wc, wctypeFlags);
100 }
101
102 #ifdef _MSC_VER
103 #pragma warning(disable:4164)
104 #pragma function(pow)
105 #pragma function(log)
106 #pragma function(log10)
107 #endif
108
109 // Stubs to avoid pulling in data from CRT
pow(double x,double y)110 double pow(double x, double y)
111 {
112 __debugbreak();
113 return 0.0;
114 }
115
log(double x)116 double log(double x)
117 {
118 __debugbreak();
119 return 0.0;
120 }
121
log10(double x)122 double log10(double x)
123 {
124 __debugbreak();
125 return 0.0;
126 }
127