--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/drivers/debug/smdebug/sm_debug_kerneldriver.cpp	Thu Aug 12 12:51:24 2010 +0100
@@ -0,0 +1,155 @@
+// Copyright (c) 2004-2010 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:
+// Device driver for kernel side stop mode debugging
+//
+
+#ifdef __WINS__
+#error - this driver cannot be built for emulation
+#endif
+
+#include <e32def.h>
+#include <e32def_private.h>
+#include <e32cmn.h>
+#include <e32cmn_private.h>
+#include <e32ldr.h>
+#include <u32std.h>
+#include <kernel/kernel.h>
+#include <kernel/kern_priv.h>
+#include <nk_trace.h>
+#include <arm.h>
+#include <kernel/cache.h>
+#include <platform.h>
+#include <nkern.h>
+#include <u32hal.h>
+#include <kernel/kdebug.h>
+
+
+#include "debug_logging.h"
+#include "d_debug_functionality.h"
+#include "debug_utils.h"
+#include "d_buffer_manager.h"
+
+
+using namespace Debug;
+
+
+DStopModeExtension* TheStopModeExtension = NULL;
+
+/**
+  This value is used as an initialiser for the size of the Stop-Mode Debug API's
+  default request buffer.
+  */
+const TInt KRequestBufferSize = 0x200;
+/**
+  This value is used as an initialiser for the size of the Stop-Mode Debug API's
+  default response buffer.
+  */
+const TInt KResponseBufferSize = 0x1000;
+
+DECLARE_STANDARD_EXTENSION()
+	{
+	__KTRACE_OPT(KBOOT,Kern::Printf("Starting Stop Mode Debugger V2"));
+
+	// get a reference to the DDebuggerInfo and to the DStopModeExtension
+	TSuperPage& superPage = Kern::SuperPage();
+
+	if(!superPage.iDebuggerInfo)
+		{
+		//kdebug has not been installed so create DDebuggerInfo using our stub constructor
+		superPage.iDebuggerInfo = new DDebuggerInfo();
+		}
+
+	if(!TheStopModeExtension)
+		{
+		TheStopModeExtension = new DStopModeExtension();
+		}
+
+	// create the request buffer and store a reference to it
+	TTag tag;
+	tag.iTagId = EBuffersRequest;
+	tag.iType = ETagTypePointer;
+	tag.iSize = KRequestBufferSize;
+	TInt err = TheDBufferManager.CreateBuffer(tag);
+	if(KErrNone != err)
+		{
+		return KErrNone;
+		}
+
+	// create the response buffer and store a reference to it
+	tag.iTagId = EBuffersResponse;
+	tag.iSize = KResponseBufferSize;
+	err = TheDBufferManager.CreateBuffer(tag);
+	if(KErrNone != err)
+		{
+		return KErrNone;
+		}
+	// create the debug functionality buffer and store a reference to it
+	TDebugFunctionality df;
+	TUint dfSize = df.GetStopModeFunctionalityBufSize();
+	tag.iTagId = EBuffersFunctionality;
+	tag.iSize = dfSize;
+	err = TheDBufferManager.CreateBuffer(tag);
+	if(KErrNone != err)
+		{
+		return KErrNone;
+		}
+
+	// fill the functionality buffer with the functionality data and store it in
+	// the super page
+	TPtr8 dfBlockPtr((TUint8*)tag.iValue, dfSize);
+	if(!df.GetStopModeFunctionality(dfBlockPtr))
+		{
+		return KErrNone;
+		}
+	TheStopModeExtension->iFunctionalityBlock = (DFunctionalityBlock*)tag.iValue;
+
+	DStopModeExtension::Install(TheStopModeExtension);
+
+	return KErrNone;
+	}
+
+/**
+ * This stub constructor is intended to be used in the case where the old deprecated
+ * stop mode api, kdebug, is not in place. It will initialise all values to NULL except
+ * the pointer to the new stop mode api extension. This allows the new stop mode solution
+ * to both co-exist and exist independantly of the existing one *
+ */
+DDebuggerInfo::DDebuggerInfo():
+	iObjectOffsetTable(NULL),
+	iObjectOffsetTableCount(NULL),
+	iThreadContextTable(NULL),
+	iStopModeExtension(new DStopModeExtension()),
+	iContainers(NULL),
+	iCodeSegLock(NULL),
+	iCodeSegGlobalList(NULL),
+	iScheduler(NULL),
+	iShadowPages(NULL),
+	iShadowPageCount(0),
+	iCurrentThread(NULL),
+	iEventMask(),
+	iEventHandlerBreakpoint(0),
+	iMemModelObjectOffsetTable(NULL),
+	iMemModelObjectOffsetTableCount(0)
+	{
+	}
+
+/**
+ * Installs the stop-mode debugger extension
+ * Make the stop-mode API visible to a JTAG debugger, by publishing its
+ * existence in the superpage
+*/
+void DStopModeExtension::Install(DStopModeExtension* aExt)
+	{
+	Kern::SuperPage().iDebuggerInfo->iStopModeExtension = aExt;
+	}