--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/benchmark/bm_misa_pdd.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,213 @@
+// Copyright (c) 2002-2009 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 <kernel/kernel.h>
+#include <sa1100.h>
+
+#include "k32bm.h"
+
+class DBMMisaDevice : public DPhysicalDevice
+	{
+public:
+	DBMMisaDevice();
+	virtual TInt Install();
+	virtual void GetCaps(TDes8& aDes) const;
+	virtual TInt Create(DBase*& aChannel, TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+	virtual TInt Validate(TInt aUnit, const TDesC8* anInfo, const TVersion& aVer);
+	};
+
+class DBMMisaChannel : public DBMPChannel
+	{
+public:
+	DBMMisaChannel();
+	~DBMMisaChannel();
+	virtual TBMTicks TimerPeriod();
+	virtual TBMTicks TimerStamp();
+	virtual TBMNs TimerTicksToNs(TBMTicks);
+	virtual TBMTicks TimerNsToTicks(TBMNs);
+	virtual TInt BindInterrupt(MBMIsr*);
+	virtual TInt BindInterrupt(MBMInterruptLatencyIsr*);
+	virtual void RequestInterrupt();
+	virtual void CancelInterrupt();
+
+private:
+
+	TInt BindInterrupt();
+
+	static const TInt		KBMMisaInterruptDelayTicks = KHwOscFreqHz / 1000;
+	static const TBMTicks	KBMMisaPeriod = (((TBMTicks) 1) << 32);
+	static const TBMNs		KBMMisaNsPerTick = (1000*1000*1000) / KHwOscFreqHz;
+	
+	static void Isr(TAny*);
+	
+	MBMIsr*						iIsr;
+	MBMInterruptLatencyIsr*		iInterruptLatencyIsr;
+	};
+
+
+DECLARE_STANDARD_PDD()
+//
+// Create a new device
+//
+	{
+	__ASSERT_CRITICAL;
+	return new DBMMisaDevice;
+	}
+
+DBMMisaDevice::DBMMisaDevice()
+//
+// Constructor
+//
+	{
+	//iUnitsMask=0;
+	iVersion = TVersion(1,0,1);
+	}
+
+TInt DBMMisaDevice::Install()
+//
+// Install the device driver.
+//
+	{
+	TInt r = SetName(&KBMPdName);
+	return r;
+	}
+
+void DBMMisaDevice::GetCaps(TDes8& aDes) const
+//
+// Return the Comm capabilities.
+//
+	{
+	}
+
+TInt DBMMisaDevice::Create(DBase*& aChannel, TInt /*aUnit*/, const TDesC8* /*aInfo*/, const TVersion& /*aVer*/)
+//
+// Create a channel on the device.
+//
+	{
+	__ASSERT_CRITICAL;
+	aChannel = new DBMMisaChannel;
+	return aChannel?KErrNone:KErrNoMemory;
+	}
+
+TInt DBMMisaDevice::Validate(TInt /*aUnit*/, const TDesC8* /*anInfo*/, const TVersion& aVer)
+	{
+	if (!Kern::QueryVersionSupported(iVersion,aVer))
+		{
+		return KErrNotSupported;
+		}
+	return KErrNone;
+	}
+
+DBMMisaChannel::DBMMisaChannel()
+	{
+	//	iIsr = NULL;
+	//	iInterruptLatencyIsr = NULL;
+	}
+
+DBMMisaChannel::~DBMMisaChannel()
+	{
+	if (iIsr || iInterruptLatencyIsr)
+		{
+		TSa1100::DisableOstInterrupt(KHwOstMatchGeneral);
+		TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
+		Interrupt::Disable(KIntIdOstMatchGeneral);
+		TSa1100::ModifyIntLevels(KHtIntsOstMatchGeneral,0);
+		Interrupt::Unbind(KIntIdOstMatchGeneral);
+		}
+	}
+
+TBMTicks DBMMisaChannel::TimerPeriod()
+	{
+	return KBMMisaPeriod;
+	}
+
+TBMTicks DBMMisaChannel::TimerStamp()
+	{
+	return TUint(TSa1100::OstData());
+	}
+
+TBMNs DBMMisaChannel::TimerTicksToNs(TBMTicks ticks)
+	{
+	return ticks * KBMMisaNsPerTick;
+	}
+
+TBMTicks DBMMisaChannel::TimerNsToTicks(TBMNs ns)
+	{
+	return ns / KBMMisaNsPerTick;
+	}
+
+void DBMMisaChannel::Isr(TAny* ptr)
+	{
+	DBMMisaChannel* mCh = (DBMMisaChannel*) ptr;
+	BM_ASSERT(mCh->iIsr || mCh->iInterruptLatencyIsr);
+	if (mCh->iIsr)
+		{
+		mCh->iIsr->Isr(TUint(TSa1100::OstData()));
+		}
+	else
+		{
+		mCh->iInterruptLatencyIsr->InterruptLatencyIsr(TSa1100::OstData() - TSa1100::OstMatch(KHwOstMatchGeneral));
+		}
+	TSa1100::DisableOstInterrupt(KHwOstMatchGeneral);
+	TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
+	}
+
+TInt DBMMisaChannel::BindInterrupt()
+	{
+	TInt r = Interrupt::Bind(KIntIdOstMatchGeneral, Isr, this);
+	if (r != KErrNone)
+		{
+		return r;
+		}
+	TSa1100::ModifyIntLevels(0, KHtIntsOstMatchGeneral);	// route new timer interrupt to FIQ
+	TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
+	Interrupt::Enable(KIntIdOstMatchGeneral);
+	return KErrNone;
+	}
+
+TInt DBMMisaChannel::BindInterrupt(MBMIsr* aIsr)
+	{
+	BM_ASSERT(!iIsr);
+	BM_ASSERT(!iInterruptLatencyIsr);
+	iIsr = aIsr;
+	return BindInterrupt();
+	}
+
+TInt DBMMisaChannel::BindInterrupt(MBMInterruptLatencyIsr* aIsr)
+	{
+	BM_ASSERT(!iIsr);
+	BM_ASSERT(!iInterruptLatencyIsr);
+	iInterruptLatencyIsr = aIsr;
+	return BindInterrupt();
+	}
+
+
+void DBMMisaChannel::RequestInterrupt()
+	{
+	BM_ASSERT(iIsr || iInterruptLatencyIsr);
+	TSa1100::SetOstMatch(KHwOstMatchGeneral, TSa1100::OstData() + KBMMisaInterruptDelayTicks);
+	TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
+	TSa1100::EnableOstInterrupt(KHwOstMatchGeneral);
+	}
+
+void DBMMisaChannel::CancelInterrupt()
+	{	
+	if (iIsr || iInterruptLatencyIsr)
+		{
+		TSa1100::DisableOstInterrupt(KHwOstMatchGeneral);
+		TSa1100::SetOstMatchEOI(KHwOstMatchGeneral);
+		}
+	}
+