source: trunk/src/kernel32/initkernel32.cpp@ 7564

Last change on this file since 7564 was 7564, checked in by sandervl, 24 years ago

overlappedio, com & lpt updates
File size: 8.4 KB
Line 
1/* $Id: initkernel32.cpp,v 1.10 2001-12-07 11:28:11 sandervl Exp $
2 *
3 * KERNEL32 DLL entry point
4 *
5 * Copyright 1998 Sander van Leeuwen
6 * Copyright 1998 Peter Fitzsimmons
7 *
8 *
9 * Project Odin Software License can be found in LICENSE.TXT
10 *
11 */
12
13/*-------------------------------------------------------------*/
14/* INITERM.C -- Source for a custom dynamic link library */
15/* initialization and termination (_DLL_InitTerm) */
16/* function. */
17/* */
18/* When called to perform initialization, this sample function */
19/* gets storage for an array of integers, and initializes its */
20/* elements with random integers. At termination time, it */
21/* frees the array. Substitute your own special processing. */
22/*-------------------------------------------------------------*/
23
24
25/* Include files */
26#define INCL_DOSMODULEMGR
27#define INCL_DOSMISC
28#define INCL_DOSPROCESS
29#define INCL_DOSSEMAPHORES
30#include <os2wrap.h> //Odin32 OS/2 api wrappers
31#include <stdlib.h>
32#include <stdio.h>
33#include <string.h>
34#include <misc.h>
35#include <wprocess.h>
36#include "handlemanager.h"
37#include "profile.h"
38#include <options.h>
39#include "initterm.h"
40#include <win32type.h>
41#include <win32api.h>
42#include <odinlx.h>
43#include "oslibmisc.h"
44#include <heapshared.h>
45#include <heapcode.h>
46#include "mmap.h"
47#include "directory.h"
48#include "hmdevio.h"
49#include "hmcomm.h"
50#include <windllbase.h>
51#include "winexepe2lx.h"
52#include <exitlist.h>
53#include "oslibdos.h"
54#include <cpuhlp.h>
55#include <Win32k.h>
56#include <initdll.h>
57#include <codepage.h>
58#include <process.h>
59
60#define DBG_LOCALLOG DBG_initterm
61#include "dbglocal.h"
62
63PVOID SYSTEM _O32_GetEnvironmentStrings( VOID );
64
65extern "C" {
66 //Win32 resource table (produced by wrc)
67 extern DWORD kernel32_PEResTab;
68}
69
70 ULONG flAllocMem = 0; /* flag to optimize DosAllocMem to use all the memory on SMP machines */
71 ULONG ulMaxAddr = 0x20000000; /* end of user address space. */
72 int loadNr = 0;
73 char kernel32Path[CCHMAXPATH] = "";
74static HMODULE dllHandle = 0;
75 BOOL fInit = FALSE;
76
77/****************************************************************************/
78/* _DLL_InitTerm is the function that gets called by the operating system */
79/* loader when it loads and frees this DLL for each process that accesses */
80/* this DLL. However, it only gets called the first time the DLL is loaded */
81/* and the last time it is freed for a particular process. The system */
82/* linkage convention MUST be used because the operating system loader is */
83/* calling this function. */
84/****************************************************************************/
85ULONG APIENTRY inittermKernel32(ULONG hModule, ULONG ulFlag)
86{
87 size_t i;
88 APIRET rc;
89 ULONG ulSysinfo, version[2];
90
91 /*-------------------------------------------------------------------------*/
92 /* If ulFlag is zero then the DLL is being loaded so initialization should */
93 /* be performed. If ulFlag is 1 then the DLL is being freed so */
94 /* termination should be performed. */
95 /*-------------------------------------------------------------------------*/
96
97 if(fInit == TRUE && ulFlag == 0) {
98 return 1; //already initialized
99 }
100 fInit = TRUE;
101
102 switch (ulFlag)
103 {
104 case 0 :
105 {
106 ParseLogStatusKERNEL32();
107
108 /*
109 * Init the win32k library.
110 * We will also need to tell win32k where the Odin32 environment is
111 * located. Currently that is within Open32. I'm quite sure that it's
112 * not relocated during run, so we're pretty well off.
113 */
114 if (!libWin32kInit())
115 {
116 rc = libWin32kSetEnvironment((PSZ)_O32_GetEnvironmentStrings(), 0, 0);
117 if (rc)
118 {
119 dprintf(("KERNEL32: initterm: libWin32kSetEnvironment failed with rc=%d\n", rc));
120 }
121 }
122
123 strcpy(kernel32Path, OSLibGetDllName(hModule));
124 char *endofpath = strrchr(kernel32Path, '\\');
125 *(endofpath+1) = 0;
126 dprintf(("kernel32 init %s %s (%x) Win32k - %s", __DATE__, __TIME__, inittermKernel32,
127 libWin32kInstalled() ? "Installed" : "Not Installed"));
128
129 OpenPrivateLogFiles();
130
131 if (InitializeSharedHeap() == FALSE)
132 return 0UL;
133
134 if (InitializeCodeHeap() == FALSE)
135 return 0UL;
136
137 PROFILE_LoadOdinIni();
138 dllHandle = RegisterLxDll(hModule, 0, (PVOID)&kernel32_PEResTab);
139 if (dllHandle == 0)
140 return 0UL;
141
142 //SvL: Kernel32 is a special case; pe.exe loads it, so increase
143 // the reference count here
144 Win32DllBase *module = Win32DllBase::findModule(dllHandle);
145 if (module)
146 {
147 module->AddRef();
148 module->DisableUnload();
149 }
150
151 /* knut: check for high memory support */
152 rc = DosQuerySysInfo(QSV_VIRTUALADDRESSLIMIT, QSV_VIRTUALADDRESSLIMIT, &ulSysinfo, sizeof(ulSysinfo));
153 if (rc == 0 && ulSysinfo > 512) //VirtualAddresslimit is in MB
154 {
155 flAllocMem = PAG_ANY; // high memory support. Let's use it!
156 ulMaxAddr = ulSysinfo * (1024*1024);
157 OSLibInitWSeBFileIO();
158 if (PROFILE_GetOdinIniInt(ODINSYSTEM_SECTION, HIGHMEM_KEY, 1) == 0) {
159 dprintf(("WARNING: OS/2 kernel supports high memory, but support is DISABLED because of HIGHMEM odin.ini key"));
160 flAllocMem = 0;
161 }
162 }
163 else
164 flAllocMem = 0; // no high memory support
165
166 OSLibDosSetInitialMaxFileHandles(ODIN_DEFAULT_MAX_FILEHANDLES);
167
168 //SvL: Do it here instead of during the exe object creation
169 //(std handles can be used in win32 dll initialization routines
170 HMInitialize(); /* store standard handles within HandleManager */
171 InitDirectories(); //Must be done before InitializeTIB (which loads NTDLL -> USER32)
172 InitializeTIB(TRUE); //Must be done after HMInitialize!
173 RegisterDevices();
174 Win32DllBase::setDefaultRenaming();
175 rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &ulSysinfo, sizeof(ulSysinfo));
176 if (rc != 0)
177 ulSysinfo = 1;
178
179 /* Setup codepage info */
180 CODEPAGE_Init();
181
182 InitSystemInfo(ulSysinfo);
183 //Set up environment as found in NT
184 InitEnvironment(ulSysinfo);
185
186 //InitDynamicRegistry creates/changes keys that may change (i.e. odin.ini
187 //keys that affect windows version)
188 InitDynamicRegistry();
189
190 //Set the process affinity mask to the system affinity mask
191 DWORD dwProcessAffinityMask, dwSystemAffinityMask;
192 GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
193 SetProcessAffinityMask(GetCurrentProcess(), dwSystemAffinityMask);
194 break;
195 }
196
197 case 1 :
198 if (dllHandle)
199 {
200 UnregisterLxDll(dllHandle);
201 }
202 break;
203
204 default :
205 return 0UL;
206 }
207
208 /***********************************************************/
209 /* A non-zero value must be returned to indicate success. */
210 /***********************************************************/
211 return 1UL;
212}
213
214
215void APIENTRY cleanupKernel32(ULONG ulReason)
216{
217 dprintf(("kernel32 exit %d\n", ulReason));
218
219 HMDeviceCommClass::CloseOverlappedIOHandlers();
220
221 //Flush and delete all open memory mapped files
222 Win32MemMap::deleteAll();
223 WinExe = NULL;
224
225 WriteOutProfiles();
226 DestroyTIB();
227 DestroySharedHeap();
228 DestroyCodeHeap();
229
230 //NOTE: Must be done after DestroyTIB
231 ClosePrivateLogFiles();
232 CloseLogFile();
233
234 /*
235 * Terminate win32k library.
236 */
237 libWin32kSetEnvironment(NULL, 0, 0);
238 libWin32kTerm();
239 return ;
240}
241//******************************************************************************
242//******************************************************************************
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