os/boardsupport/emulator/emulatorbsp/estart/estartmain.cpp
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/boardsupport/emulator/emulatorbsp/estart/estartmain.cpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,331 @@
     1.4 +// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
     1.5 +// All rights reserved.
     1.6 +// This component and the accompanying materials are made available
     1.7 +// under the terms of "Eclipse Public License v1.0"
     1.8 +// which accompanies this distribution, and is available
     1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
    1.10 +//
    1.11 +// Initial Contributors:
    1.12 +// Nokia Corporation - initial contribution.
    1.13 +//
    1.14 +// Contributors:
    1.15 +//
    1.16 +// Description:
    1.17 +// wins\estart\estartmain.cpp
    1.18 +// 
    1.19 +//
    1.20 +
    1.21 +#include <e32std.h>
    1.22 +#include <f32fsys.h>
    1.23 +#include <e32uid.h>
    1.24 +#include "estart.h"
    1.25 +
    1.26 +#include <e32wins.h>
    1.27 +#include <emulator.h>
    1.28 +#define WIN32_LEAN_AND_MEAN
    1.29 +#pragma warning( disable : 4201 ) // nonstandard extension used : nameless struct/union
    1.30 +#include <windows.h>
    1.31 +#pragma warning( default : 4201 ) // nonstandard extension used : nameless struct/union
    1.32 +
    1.33 +
    1.34 +
    1.35 +_LIT(KLitAddFsFail,"Add fs fail");
    1.36 +_LIT(KLitConnectFsFail2,"Connect fs 2 fail");
    1.37 +_LIT(KLitNoWS,"No WSERV");
    1.38 +_LIT(KStartupModeFail,"Get startup mode failed");
    1.39 +_LIT(KLocalFsName,"elocal");
    1.40 +
    1.41 +class TWinsFSStartup : public TFSStartup
    1.42 +	{
    1.43 +public:
    1.44 +	virtual TInt StartSystem();
    1.45 +	virtual TInt DefaultLocalDrive(TInt aLocalDrive);
    1.46 +	virtual TPtrC LocalDriveMappingFileName();
    1.47 +#if !defined(AUTODETECT_DISABLE)		
    1.48 +	virtual TInt GetNextStandardFSInfoEntry(const SFileSystemInfo** anEntry,TInt aPos);
    1.49 +#endif
    1.50 +public:	
    1.51 +	void LocalFSInitialisation();
    1.52 +protected:
    1.53 +	TInt GetStartupMode();
    1.54 +	};
    1.55 +
    1.56 +#if !defined(AUTODETECT_DISABLE)
    1.57 +TInt DetectEmulRAM(RLocalDrive ld, TInt cr, TLocalDriveCapsV2& caps)
    1.58 +	{
    1.59 +	(void)ld;
    1.60 +	(void)cr;
    1.61 +	if (caps.iType==EMediaRam)
    1.62 +		return KErrNone;
    1.63 +	return KErrGeneral;
    1.64 +	}
    1.65 +
    1.66 +TInt DetectEmul_CF_FAT(RLocalDrive ld, TInt cr, TLocalDriveCapsV2& caps)
    1.67 +	{
    1.68 +	(void)ld;
    1.69 +	(void)cr;
    1.70 +	if (caps.iType!=EMediaHardDisk || !(caps.iDriveAtt & KDriveAttRemovable))
    1.71 +		return KErrGeneral;
    1.72 +	if (cr==KErrNotReady)
    1.73 +		return KErrNone;	// removable and not ready - assume fat
    1.74 +	if (cr==KErrNone && PartitionIsFAT(caps.iPartitionType))
    1.75 +		return KErrNone;
    1.76 +	return KErrGeneral;
    1.77 +	}
    1.78 +
    1.79 +TInt DetectEmul_CF_FAT32(RLocalDrive ld, TInt cr, TLocalDriveCapsV2& caps)
    1.80 +	{
    1.81 +	(void)ld;
    1.82 +	(void)cr;
    1.83 +	if (caps.iType!=EMediaHardDisk || !(caps.iDriveAtt & KDriveAttRemovable))
    1.84 +		return KErrGeneral;
    1.85 +	if (cr==KErrNotReady)
    1.86 +		return KErrNone;	// removable and not ready - assume fat
    1.87 +	if (cr==KErrNone && (PartitionIsFAT32(caps.iPartitionType) || PartitionIsFAT(caps.iPartitionType)) )
    1.88 +		return KErrNone;
    1.89 +	return KErrGeneral;
    1.90 +	}
    1.91 +#endif
    1.92 +	
    1.93 +	
    1.94 +_LIT(KLocalDriveMappingFileSysBin,"Z:\\SYS\\DATA\\ESTART.TXT");
    1.95 +TPtrC TWinsFSStartup::LocalDriveMappingFileName()
    1.96 +	{	
    1.97 +	__ASSERT_ALWAYS(InitCompositeFileSystem()==KErrNone,User::Panic(_L("InitCompositeFileSystem failed."),0));
    1.98 +	return(KLocalDriveMappingFileSysBin());
    1.99 +	}
   1.100 +	
   1.101 +LOCAL_C void AutoRun()
   1.102 +	{
   1.103 +	// Ensure that any background initialisation completes before auto-running
   1.104 +	RProcess me;
   1.105 +	me.SetPriority(EPriorityLow);
   1.106 +	const char* autorun = EmulatorAutoRun();
   1.107 +	if (autorun)
   1.108 +		{
   1.109 +		TInt r = KErrNone;
   1.110 +		const char* cmdline = EmulatorCommandLine();
   1.111 +		TFileName exe;
   1.112 +		exe.Copy(TPtrC8((const TText8*)autorun));
   1.113 +		TPtrC8 c((const TText8*)cmdline);
   1.114 +		HBufC* command = HBufC::New(c.Length());
   1.115 +		if (!command)
   1.116 +			r = KErrNoMemory;
   1.117 +		else
   1.118 +			{
   1.119 +			TPtr ptr(command->Des());
   1.120 +			ptr.Copy(c);
   1.121 +			RProcess p;
   1.122 +			r = p.Create(exe, *command);
   1.123 +			if (r == KErrNone)
   1.124 +				{
   1.125 +				TRequestStatus s;
   1.126 +				p.Logon(s);
   1.127 +				me.SetPriority(EPriorityHigh);	// ensure we detect termination early
   1.128 +				p.Resume();
   1.129 +				p.Close();
   1.130 +				User::WaitForRequest(s);
   1.131 +				r = s.Int();
   1.132 +				}
   1.133 +			}
   1.134 +		Emulator::Escape();	// make sure we don't get suspended while exiting
   1.135 +		ExitProcess(r);
   1.136 +		}
   1.137 +	}
   1.138 +	
   1.139 +const TInt WinsDefaultLocalDrives[KMaxLocalDrives]=
   1.140 +			{
   1.141 +			EDriveY,               //0
   1.142 +			EDriveX,               //1 MMC - Slot 0, partition 0
   1.143 +			KDriveInvalid,         //2 MMC - Slot 0, partition 1
   1.144 +			EDriveT,               //3 MMC - Slot 1, partition 0
   1.145 +			KDriveInvalid,         //4 MMC - Slot 1, partition 1
   1.146 +			EDriveU,               //5 NAND - USER DATA
   1.147 +			EDriveV,               //6 NAND - CODE
   1.148 +			KDriveInvalid,         //7
   1.149 +			EDriveW,	           //8
   1.150 +			KDriveInvalid,         //9
   1.151 +			KDriveInvalid,         //10
   1.152 +			KDriveInvalid,         //11
   1.153 +			KDriveInvalid,         //12
   1.154 +			KDriveInvalid,         //13
   1.155 +			KDriveInvalid,         //14
   1.156 +			KDriveInvalid          //15
   1.157 +			};
   1.158 +			
   1.159 +TInt TWinsFSStartup::DefaultLocalDrive(TInt aLocalDrive)
   1.160 +	{
   1.161 +	
   1.162 +	return(WinsDefaultLocalDrives[aLocalDrive]);
   1.163 +	}
   1.164 +
   1.165 +#if !defined(AUTODETECT_DISABLE)	
   1.166 +const TInt KMaxWinsFSInfoTableEntries=7;	
   1.167 +LOCAL_D const SFileSystemInfo FileSystems[KMaxWinsFSInfoTableEntries] =
   1.168 +	{
   1.169 +		{DetectEmulRAM,      _S("efat32"),      _S("fat"),      0,             FS_FORMAT_CORRUPT},
   1.170 +		{DetectEmul_CF_FAT32,_S("efat32"),      _S("fat"),      0,             FS_FORMAT_CORRUPT},
   1.171 +		{DetectFtl,          _S("efat32"),      _S("fat"),      0,             FS_FORMAT_CORRUPT},
   1.172 +		{DetectRofs,         _S("erofs"),       _S("rofs"),     0,             FS_DISMNT_CORRUPT},
   1.173 +		{DetectEneaLFFS,     _S("elffs"),       _S("lffs"),     0,             FS_FORMAT_CORRUPT},
   1.174 +		{DetectIso9660,      _S("iso9660"),     0,              0,             0},
   1.175 +		{DetectNtfs,         _S("ntfs"),        0,              0,             0},
   1.176 +	};
   1.177 +
   1.178 +// additional structure for DetectFtl entry with extension set to "0"
   1.179 +LOCAL_D const SFileSystemInfo FileSystemForDetectFtl =
   1.180 +		{DetectFtl,         _S("efat32"),         _S("fat"),      0,	 			  FS_FORMAT_CORRUPT};
   1.181 +
   1.182 +
   1.183 +TInt TWinsFSStartup::GetNextStandardFSInfoEntry(const SFileSystemInfo** anEntry,TInt aPos)
   1.184 +	{
   1.185 +    if (aPos<KMaxWinsFSInfoTableEntries)
   1.186 +		{
   1.187 +		*anEntry=&FileSystems[aPos];
   1.188 +		return(KErrNone);
   1.189 +		}
   1.190 +	else
   1.191 +		return(KErrNotFound);	
   1.192 +	}
   1.193 +#endif		
   1.194 +	
   1.195 +void TWinsFSStartup::LocalFSInitialisation()
   1.196 +//
   1.197 +// Add and mount local file system
   1.198 +//
   1.199 +	{
   1.200 +	
   1.201 +	DEBUGPRINT("LocalFSInitialisation");
   1.202 +
   1.203 +	// Add local file system
   1.204 +	TInt r=iFs.AddFileSystem(KLocalFsName);
   1.205 +	if (r!=KErrNone)
   1.206 +		User::Panic(KLitAddFsFail,r);
   1.207 +
   1.208 +	// Close and reopen to make sure the session path is updated
   1.209 +	iFs.Close();
   1.210 +	r = iFs.Connect();
   1.211 +	if (r!=KErrNone)
   1.212 +		User::Panic(KLitConnectFsFail2,r);
   1.213 +
   1.214 +	TInt i;
   1.215 +	_LIT(KLitLocalFsName,"Win32");
   1.216 +	TChar drive;
   1.217 +	TBuf<4> root=_L("?:\\");
   1.218 +	for(i=0;i<KMaxDrives-1;++i)
   1.219 +		{
   1.220 +		r=RFs::DriveToChar(i,drive);
   1.221 +		if(r!=KErrNone)
   1.222 +			continue;
   1.223 +		root[0]=(TText)drive;
   1.224 +		TFileName dummy;
   1.225 +		if (MapEmulatedFileName(dummy,root)==KErrNone)
   1.226 +			{
   1.227 +			r=iFs.MountFileSystem(KLitLocalFsName,i);
   1.228 +			DEBUGPRINT2("MountFileSystem() on drive %d r=%d",i,r);
   1.229 +			}
   1.230 +		}
   1.231 +	}
   1.232 +
   1.233 +_LIT(KWindowServerRootName1, "EWSRV.EXE");
   1.234 +_LIT(KWindowServerRootName2, "WSERV.EXE");	
   1.235 +_LIT(KSystemStarterName, "z:\\sys\\bin\\SYSSTART.EXE");
   1.236 +_LIT(KSystemStateManager, "z:\\sys\\bin\\SYSSTATEMGR.EXE");
   1.237 +_LIT(KPropertyError, "RProperty return error");
   1.238 +
   1.239 +TInt TWinsFSStartup::StartSystem()
   1.240 +	{
   1.241 +	// Get boot mode with need to access file server
   1.242 +	TInt r = GetStartupModeFromFile();
   1.243 +	if (r != KErrNotSupported)
   1.244 +        {
   1.245 +        if (r != KErrNone)
   1.246 +		    User::Panic(KStartupModeFail,r);
   1.247 +        // Update startup mode property value
   1.248 +        r = RProperty::Set(KUidSystemCategory, KSystemStartupModeKey, iStartupMode);
   1.249 +        if (r != KErrNone)
   1.250 +            User::Panic(KPropertyError, r);
   1.251 +        }
   1.252 +
   1.253 +	// Launch system starter and return unless in noGui or textshell mode
   1.254 +	TBool noSysStart = EFalse;
   1.255 +	UserSvr::HalFunction(EHalGroupEmulator,EEmulatorHalBoolProperty,  (TAny*)"_NOSYSSTART",  &noSysStart);
   1.256 +	
   1.257 +	if (!EmulatorNoGui() && !EmulatorTextShell() && !EmulatorMiniGui() && !noSysStart)
   1.258 +		{
   1.259 +		RProcess ws;
   1.260 +		r=ws.Create(KSystemStateManager, KNullDesC);
   1.261 +		if (r!=KErrNone)
   1.262 +			{
   1.263 +			r=ws.Create(KSystemStarterName, KNullDesC);
   1.264 +			if (r==KErrNone)
   1.265 +				{
   1.266 +				TRequestStatus status;
   1.267 +				ws.Rendezvous(status);
   1.268 +				ws.Resume();		
   1.269 +				User::WaitForRequest(status);
   1.270 +				// Some system starters may not exit on completion.
   1.271 +				if (ws.ExitType() != EExitKill && ws.ExitType() != EExitPending)
   1.272 +					User::Panic(_L("SysStart died"),status.Int());
   1.273 +				ws.Close();
   1.274 +				return KErrNone;
   1.275 +				}
   1.276 +			}
   1.277 +		else
   1.278 +			{
   1.279 +			TRequestStatus status;
   1.280 +			ws.Rendezvous(status);
   1.281 +			ws.Resume();		
   1.282 +			User::WaitForRequest(status);
   1.283 +			if (ws.ExitType() != EExitKill && ws.ExitType() != EExitPending)
   1.284 +				User::Panic(_L("SysStart died"),status.Int());
   1.285 +			ws.Close();
   1.286 +			return KErrNone;
   1.287 +			}
   1.288 +		}
   1.289 +
   1.290 +	// Start system agent 2, continue if executable not found, otherwise panic
   1.291 +	r = StartSysAgt2();
   1.292 +	if (r!=KErrNone && r!=KErrNotFound)
   1.293 +		User::Panic(_L("Error launching System Agent"),r);
   1.294 +
   1.295 +	// If noGui specifed, then we're done
   1.296 +	if (EmulatorNoGui())
   1.297 +		return KErrNone;
   1.298 +
   1.299 +	// Attempt to start the appropriate window server
   1.300 +	TDriveList list;
   1.301 +	iFs.DriveList(list);
   1.302 +	if (!EmulatorTextShell() && CreateServer(list,KWindowServerRootName2))
   1.303 +		return KErrNone;
   1.304 +	if (!CreateServer(list,KWindowServerRootName1))
   1.305 +		User::Panic(KLitNoWS,KErrNotFound);
   1.306 +
   1.307 +	return KErrNone;
   1.308 +	}
   1.309 +
   1.310 +TInt TWinsFSStartup::GetStartupMode()
   1.311 +    {
   1.312 +	UserSvr::HalFunction(EHalGroupEmulator, EEmulatorHalIntProperty, 
   1.313 +						 (TAny*)"StartupMode", &iStartupMode);
   1.314 +	return(KErrNone);
   1.315 +    }
   1.316 +	
   1.317 +GLDEF_C TInt E32Main()
   1.318 +	{
   1.319 +	
   1.320 +	TWinsFSStartup fsStart;
   1.321 +	fsStart.Init();
   1.322 +	
   1.323 +	fsStart.LocalFSInitialisation();
   1.324 +	fsStart.Run();
   1.325 +	
   1.326 +	fsStart.StartSystem();
   1.327 +	
   1.328 +	fsStart.Close();
   1.329 +	
   1.330 +	AutoRun();
   1.331 +	
   1.332 +	return(0);
   1.333 +	}
   1.334 +