--- a/baseport/src/cedar/generic/base/syborg/svpsnapdriver/src/svpsnapdriver.cpp Fri Jul 31 15:01:17 2009 +0100
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,247 +0,0 @@
-/*
-* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of the License "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-#include "svpsnapdriver.h"
-#include "rsvpsnapdriver.h"
-#include "system.h"
-
-static inline TUint32 ReadReg(ESVPSnapReg aReg)
-{
- DP("** (SVPSNAPDRIVER) ReadReg(%d)",aReg);
-
- return *(volatile TUint32 *)(KHwSVPSnapDevice + (aReg << 2));
-}
-
-static inline void WriteReg(ESVPSnapReg aReg, TUint32 aVal)
-{
- DP("** (SVPSNAPDRIVER) WriteReg(%d,%d)",aReg,aVal);
-
- *(volatile TUint32*)(KHwSVPSnapDevice + (aReg << 2)) = aVal;
-}
-
-//
-// DSVPSnapDriverFactory
-//
-
-DSVPSnapDriverFactory::DSVPSnapDriverFactory()
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapDriverFactory::DSVPSnapDriverFactory()");
-
- iVersion = TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);
-}
-
-TInt DSVPSnapDriverFactory::Create(DLogicalChannelBase*& aChannel)
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapDriverFactory::Create()");
-
-#if 0
- if (iOpenChannels != 0)
- return KErrInUse; // a channel is already open
-#endif
-
- aChannel = new DSVPSnapChannel(this);
-
- return aChannel ? KErrNone : KErrNoMemory;
-}
-
-TInt DSVPSnapDriverFactory::Install()
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapDriverFactory::Install()");
-
- return(SetName(&KSVPSnapDriverName));
-}
-
-void DSVPSnapDriverFactory::GetCaps(TDes8& aDes) const
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapDriverFactory::GetCaps()");
-
- TCapsSVPSnapDriver b;
- b.iVersion = TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber);
- aDes.FillZ(aDes.MaxLength());
- aDes.Copy((TUint8 *)&b, Min(aDes.MaxLength(), sizeof(b)));
-}
-
-//
-// DSVPSnapChannel
-//
-
-DSVPSnapChannel::DSVPSnapChannel(DLogicalDevice* aLogicalDevice)
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::DSVPSnapChannel()");
-
- iDevice = aLogicalDevice;
-
- iClientThread = &Kern::CurrentThread();
- iClientThread->Open();
-}
-
-DSVPSnapChannel::~DSVPSnapChannel()
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::~DSVPSnapChannel() ->");
- Kern::SafeClose((DObject*&)iClientThread, NULL);
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::~DSVPSnapChannel() <-");
-}
-
-TInt DSVPSnapChannel::DoCreate(TInt /*aUnit*/, const TDesC* anInfo, const TVersion& aVer)
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::DoCreate()");
-
- if (!Kern::QueryVersionSupported(TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber), aVer))
- return KErrNotSupported;
-
- //Setup the driver for receiving client messages
- SetDfcQ(Kern::DfcQue0());
- iMsgQ.Receive();
-
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::DoCreate()- checking device");
- TUint id = ReadReg(ESnapshot_Id);
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::DoCreate()- checked device- 0x%08x", id);
- WriteReg(ESnapshot_Address, 0);
- return KErrNone;
-}
-
-void DSVPSnapChannel::DoCancel(TInt aReqNo)
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::DoCancel() %x(%d)", aReqNo, aReqNo);
-}
-
-TInt DSVPSnapChannel::DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2)
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::DoRequest() %x(%d)", aReqNo, aReqNo);
-
- TInt err = KErrGeneral;
-
- switch(aReqNo)
- {
- case RSVPSnapDriver::ESaveVM:
- DP("RSVPSnapDriver::ESaveVM");
- err = SaveVM((const TDesC8*)a1);
- break;
- case RSVPSnapDriver::ELoadVM:
- DP("RSVPSnapDriver::ELoadVM");
- err= LoadVM((const TDesC8*)a1);
- break;
- default:
- DP("default");
- err = KErrGeneral;
- break;
- }
-
- if (KErrNone != err)
- DP("** (SVPSNAPDRIVER) Error %d from DoRequest", err);
-
- return err;
-}
-
-TInt DSVPSnapChannel::DoControl(TInt aFunction, TAny* a1, TAny* a2)
-{
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::DoControl(%d)", aFunction);
-
- TInt err = KErrGeneral;
- /* There should be a good reason to use a control rather than a request. */
-
- if (KErrNone != err) {
- DP("** (SVPSNAPDRIVER) Error %d from control function", err);
- }
-
- return err;
-}
-
-void DSVPSnapChannel::HandleMsg(TMessageBase* aMsg)
-{
-
- TThreadMessage& m = *(TThreadMessage*)aMsg;
- TInt id = m.iValue;
-
- DP("** (SVPSNAPDRIVER) DSVPSnapChannel::HandleMsg() %x(%d)", id, id);
-
- if (id == (TInt)ECloseMsg)
- {
- m.Complete(KErrNone, EFalse);
- return;
- }
- if (id == KMaxTInt)
- {
- // DoCancel
- DoCancel(m.Int0());
- m.Complete(KErrNone, ETrue);
- return;
- }
- if (id < 0)
- {
- // DoRequest
- TRequestStatus* pStatus = (TRequestStatus*)m.Ptr0();
- TInt r = DoRequest(~id, pStatus, m.Ptr1(), m.Ptr2());
- // if (r != KErrNone)
- Kern::RequestComplete(iClientThread,pStatus,r);
- m.Complete(KErrNone, ETrue);
- }
- else
- {
- // DoControl
- TInt r = DoControl(id, m.Ptr0(), m.Ptr1());
- m.Complete(r, ETrue);
- }
-}
-
-TInt DSVPSnapChannel::SaveVM(const TDesC8* aData)
-{
- DP("** DSVPSnapChannel::SaveVM()");
-
- TInt err = KErrNone;
- RET_IF_ERROR(err, Kern::ThreadDesRead(iClientThread, aData, iSendDataBuffer,0));
- TUint32 * ptr = (TUint32*) iSendDataBuffer.Ptr();
-
- WriteReg(ESnapshot_Address, Epoc::LinearToPhysical((TUint32)ptr));
- WriteReg(ESnapshot_Length, (TUint32) (iSendDataBuffer.Length()));
- WriteReg(ESnapshot_Trigger, RSVPSnapDriver::ESaveVM);
-
- return err;
-}
-
-TInt DSVPSnapChannel::LoadVM(const TDesC8* aData)
-{
- DP("** DSVPSnapChannel::LoadVM()");
-
- TInt err = KErrNone;
- RET_IF_ERROR(err, Kern::ThreadDesRead(iClientThread, aData, iSendDataBuffer,0));
-
- TUint32 * ptr = (TUint32*) iSendDataBuffer.Ptr();
- WriteReg(ESnapshot_Address, Epoc::LinearToPhysical((TUint32)ptr));
-
- return ReadReg(ESnapshot_Address);
-}
-
-DECLARE_EXTENSION_LDD()
-{
- // FIXME: Not needed?
- DP("** (SVPSNAPDRIVER) DSVPSnapDriverFactory created");
- return new DSVPSnapDriverFactory;
-}
-
-DECLARE_STANDARD_EXTENSION()
-{
- DP("** (SVPSNAPDRIVER) SVPSnap extension entry point");
- TInt r;
- DSVPSnapDriverFactory* device = new DSVPSnapDriverFactory;
- if (device==NULL)
- r=KErrNoMemory;
- else
- r=Kern::InstallLogicalDevice(device);
-
- return r;
-}