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root/cebix/BasiliskII/src/Windows/kernel_windows.cpp
Revision: 1.1
Committed: 2004-12-05T16:54:14Z (19 years, 11 months ago) by gbeauche
Branch: MAIN
CVS Tags: nigel-build-19, nigel-build-17
Log Message:
Import some extra functions from Win32 libraries. Expose OS versions.

File Contents

# Content
1 /*
2 * kernel_windows.cpp
3 *
4 * Basilisk II (C) 1997-1999 Christian Bauer
5 *
6 * Windows platform specific code copyright (C) Lauri Pesonen
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include "sysdeps.h"
24 #include "prefs.h"
25 #include "kernel_windows.h"
26
27 // From main_windows.cpp
28 extern DWORD win_os;
29 extern DWORD win_os_major;
30
31 static HMODULE hKernel32 = 0;
32 static HMODULE hUser32 = 0;
33 static HMODULE hB2Win32 = 0;
34
35 UINT (WINAPI *pfnGetWriteWatch) (DWORD,PVOID,SIZE_T,PVOID *,LPDWORD,LPDWORD) = 0;
36 BOOL (WINAPI *pfnInitializeCriticalSectionAndSpinCount) (LPCRITICAL_SECTION,DWORD) = 0;
37 BOOL (WINAPI *pfnCancelIo) (HANDLE) = 0;
38 BOOL (WINAPI *pfnGETCDSECTORS) (BYTE,DWORD,WORD,LPBYTE) = 0;
39 UINT (WINAPI *pfnSendInput) (UINT,LPVOID,int) = 0;
40 BOOL (WINAPI *pfnGetDiskFreeSpaceEx) (LPCSTR,PULARGE_INTEGER,PULARGE_INTEGER,PULARGE_INTEGER) = 0;
41
42 void KernelInit( void )
43 {
44 hKernel32 = LoadLibrary( "kernel32.dll" );
45 hUser32 = LoadLibrary( "user32.dll" );
46 if(hKernel32) {
47 if(win_os == VER_PLATFORM_WIN32_WINDOWS) {
48 // NT5 RC2 Kernel exports GetWriteWatch(), but VirtualAlloc(MEM_WRITE_WATCH) fails
49 pfnGetWriteWatch = (UINT (WINAPI *)(DWORD,PVOID,SIZE_T,PVOID *,LPDWORD,LPDWORD))GetProcAddress( hKernel32, "GetWriteWatch" );
50 }
51 pfnInitializeCriticalSectionAndSpinCount = (BOOL (WINAPI *)(LPCRITICAL_SECTION,DWORD))GetProcAddress( hKernel32, "InitializeCriticalSectionAndSpinCount" );
52 pfnCancelIo = (BOOL (WINAPI *)(HANDLE))GetProcAddress( hKernel32, "CancelIo" );
53 pfnGetDiskFreeSpaceEx = (BOOL (WINAPI *)(LPCSTR,PULARGE_INTEGER,PULARGE_INTEGER,PULARGE_INTEGER))GetProcAddress( hKernel32, "GetDiskFreeSpaceExA" );
54 }
55 if(hUser32) {
56 // Win98 has this one too.
57 // if(win_os == VER_PLATFORM_WIN32_NT) {
58 pfnSendInput = (UINT (WINAPI *)(UINT,LPVOID,int))GetProcAddress( hUser32, "SendInput" );
59 // }
60 }
61 if(win_os == VER_PLATFORM_WIN32_WINDOWS) {
62 hB2Win32 = LoadLibrary( "B2Win32.dll" );
63 if(hB2Win32) {
64 pfnGETCDSECTORS = (BOOL (WINAPI *)(BYTE,DWORD,WORD,LPBYTE))GetProcAddress( hB2Win32, "GETCDSECTORS" );
65 }
66 }
67 }
68
69 void KernelExit( void )
70 {
71 if(hKernel32) {
72 FreeLibrary( hKernel32 );
73 hKernel32 = 0;
74 }
75 if(hUser32) {
76 FreeLibrary( hUser32 );
77 hUser32 = 0;
78 }
79 if(hB2Win32) {
80 FreeLibrary( hB2Win32 );
81 hB2Win32 = 0;
82 }
83 pfnGetWriteWatch = 0;
84 pfnInitializeCriticalSectionAndSpinCount = 0;
85 pfnCancelIo = 0;
86 pfnSendInput = 0;
87 pfnGETCDSECTORS = 0;
88 }