source: trunk/src/kernel32/initkernel32.cpp@ 9022

Last change on this file since 9022 was 8898, checked in by sandervl, 23 years ago

Use shared memory in high region (> 512MB) if available + Interface changes for shared memory allocation
File size: 9.5 KB
Line 
1/* $Id: initkernel32.cpp,v 1.22 2002-07-21 09:17:28 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 "osliblvm.h"
55#include <cpuhlp.h>
56#include <Win32k.h>
57#include <initdll.h>
58#include <codepage.h>
59#include <process.h>
60#include <stats.h>
61
62#define DBG_LOCALLOG DBG_initterm
63#include "dbglocal.h"
64
65PVOID SYSTEM _O32_GetEnvironmentStrings( VOID );
66
67extern "C" {
68 //Win32 resource table (produced by wrc)
69 extern DWORD kernel32_PEResTab;
70}
71
72 ULONG flAllocMem = 0; /* flag to optimize DosAllocMem to use all the memory on SMP machines */
73 ULONG ulMaxAddr = 0x20000000; /* end of user address space. */
74 int loadNr = 0;
75 char kernel32Path[CCHMAXPATH] = "";
76static HMODULE dllHandle = 0;
77 BOOL fInit = FALSE;
78
79/****************************************************************************/
80/* _DLL_InitTerm is the function that gets called by the operating system */
81/* loader when it loads and frees this DLL for each process that accesses */
82/* this DLL. However, it only gets called the first time the DLL is loaded */
83/* and the last time it is freed for a particular process. The system */
84/* linkage convention MUST be used because the operating system loader is */
85/* calling this function. */
86/****************************************************************************/
87ULONG APIENTRY inittermKernel32(ULONG hModule, ULONG ulFlag)
88{
89 size_t i;
90 APIRET rc;
91 ULONG ulSysinfo, version[2];
92
93 /*-------------------------------------------------------------------------*/
94 /* If ulFlag is zero then the DLL is being loaded so initialization should */
95 /* be performed. If ulFlag is 1 then the DLL is being freed so */
96 /* termination should be performed. */
97 /*-------------------------------------------------------------------------*/
98
99 if(fInit == TRUE && ulFlag == 0) {
100 return 1; //already initialized
101 }
102 fInit = TRUE;
103
104 switch (ulFlag)
105 {
106 case 0 :
107 {
108 ParseLogStatusKERNEL32();
109
110 /*
111 * Init the win32k library.
112 * We will also need to tell win32k where the Odin32 environment is
113 * located. Currently that is within Open32. I'm quite sure that it's
114 * not relocated during run, so we're pretty well off.
115 */
116 //Note: we do NOT want to use any win32k services with custom builds
117 if (fCustomBuild == FALSE && !libWin32kInit())
118 {
119 rc = libWin32kSetEnvironment((PSZ)_O32_GetEnvironmentStrings(), 0, 0);
120 if (rc)
121 {
122 dprintf(("KERNEL32: initterm: libWin32kSetEnvironment failed with rc=%d\n", rc));
123 }
124 }
125 strcpy(kernel32Path, OSLibGetDllName(hModule));
126 char *endofpath = strrchr(kernel32Path, '\\');
127 *(endofpath+1) = 0;
128
129 CheckVersionFromHMOD(PE2LX_VERSION, hModule); /*PLF Wed 98-03-18 05:28:48*/
130
131 dprintf(("kernel32 init %s %s (%x) Win32k - %s", __DATE__, __TIME__, inittermKernel32,
132 libWin32kInstalled() ? "Installed" : "Not Installed"));
133
134 OpenPrivateLogFiles();
135
136 //SvL: Do it here instead of during the exe object creation
137 //(std handles can be used in win32 dll initialization routines
138 HMInitialize(); /* store standard handles within HandleManager */
139
140 /* knut: check for high memory support */
141 rc = DosQuerySysInfo(QSV_VIRTUALADDRESSLIMIT, QSV_VIRTUALADDRESSLIMIT, &ulSysinfo, sizeof(ulSysinfo));
142 if (rc == 0 && ulSysinfo > 512) //VirtualAddresslimit is in MB
143 {
144 flAllocMem = PAG_ANY; // high memory support. Let's use it!
145 ulMaxAddr = ulSysinfo * (1024*1024);
146 OSLibInitWSeBFileIO();
147 if (PROFILE_GetOdinIniInt(ODINSYSTEM_SECTION, HIGHMEM_KEY, 1) == 0) {
148 dprintf(("WARNING: OS/2 kernel supports high memory, but support is DISABLED because of HIGHMEM odin.ini key"));
149 flAllocMem = 0;
150 }
151 }
152 else
153 flAllocMem = 0; // no high memory support
154
155 if (InitializeSharedHeap() == FALSE)
156 return 0UL;
157
158 if (InitializeCodeHeap() == FALSE)
159 return 0UL;
160
161 InitializeMemMaps();
162
163 PROFILE_LoadOdinIni();
164 dllHandle = RegisterLxDll(hModule, 0, (PVOID)&kernel32_PEResTab);
165 if (dllHandle == 0)
166 return 0UL;
167
168 //SvL: Kernel32 is a special case; pe.exe loads it, so increase
169 // the reference count here
170 Win32DllBase *module = Win32DllBase::findModule(dllHandle);
171 if (module)
172 {
173 module->AddRef();
174 module->DisableUnload();
175 }
176
177 OSLibDosSetInitialMaxFileHandles(ODIN_DEFAULT_MAX_FILEHANDLES);
178
179 InitDirectories(); //Must be done before InitializeTIB (which loads NTDLL -> USER32)
180 InitializeMainThread(); //Must be done after HMInitialize!
181 RegisterDevices();
182 Win32DllBase::setDefaultRenaming();
183 rc = DosQuerySysInfo(QSV_NUMPROCESSORS, QSV_NUMPROCESSORS, &ulSysinfo, sizeof(ulSysinfo));
184 if (rc != 0)
185 ulSysinfo = 1;
186
187 /* Setup codepage info */
188 CODEPAGE_Init();
189
190 InitSystemInfo(ulSysinfo);
191 //Set up environment as found in NT
192 InitEnvironment(ulSysinfo);
193
194 //InitDynamicRegistry creates/changes keys that may change (i.e. odin.ini
195 //keys that affect windows version)
196 InitDynamicRegistry();
197
198 //Load LVM subsystem for volume/mountpoint win32 functions
199 OSLibLVMInit();
200
201 //Set the process affinity mask to the system affinity mask
202 DWORD dwProcessAffinityMask, dwSystemAffinityMask;
203 GetProcessAffinityMask(GetCurrentProcess(), &dwProcessAffinityMask, &dwSystemAffinityMask);
204 SetProcessAffinityMask(GetCurrentProcess(), dwSystemAffinityMask);
205 break;
206 }
207
208 case 1 :
209 if (dllHandle)
210 {
211 UnregisterLxDll(dllHandle);
212 }
213 break;
214
215 default :
216 return 0UL;
217 }
218
219 /***********************************************************/
220 /* A non-zero value must be returned to indicate success. */
221 /***********************************************************/
222 return 1UL;
223}
224
225
226void APIENTRY cleanupKernel32(ULONG ulReason)
227{
228 dprintf(("kernel32 exit %d\n", ulReason));
229
230 //Flush and delete all open memory mapped files
231 Win32MemMap::deleteAll();
232 WinExe = NULL;
233
234 WriteOutProfiles();
235 //Unload LVM subsystem for volume/mountpoint win32 functions
236 OSLibLVMExit();
237
238 TEB *teb = GetThreadTEB();
239 if(teb) DestroyTEB(teb);
240 DestroySharedHeap();
241 DestroyCodeHeap();
242
243 HMTerminate(); /* shutdown handlemanager */
244
245#if defined(DEBUG) && defined(__IBMCPP__) && __IBMCPP__ == 300
246 ULONG totalmemalloc, nrcalls_malloc, nrcalls_free;
247
248 getcrtstat(&nrcalls_malloc, &nrcalls_free, &totalmemalloc);
249 dprintf(("************* KERNEL32 STATISTICS BEGIN *****************"));
250 dprintf(("Total nr of malloc calls %d", nrcalls_malloc));
251 dprintf(("Total nr of free calls %d", nrcalls_free));
252 dprintf(("Leaked memory: %d bytes", totalmemalloc));
253 dprintf(("************* KERNEL32 STATISTICS END *****************"));
254
255 //SvL: This can cause an exitlist hang; disabled for now
256//// _dump_allocated(0);
257#endif
258
259 //NOTE: Must be done after DestroyTIB
260 ClosePrivateLogFiles();
261 CloseLogFile();
262
263 /*
264 * Terminate win32k library.
265 */
266 libWin32kSetEnvironment(NULL, 0, 0);
267 libWin32kTerm();
268 return ;
269}
270//******************************************************************************
271//******************************************************************************
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