diff -r 000000000000 -r a41df078684a halservices/hal/tsrc/savehal.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/halservices/hal/tsrc/savehal.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,82 @@
+// Copyright (c) 1995-2009 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:
+// hal\tsrc\savehal.cpp
+// 
+//
+
+#include <e32test.h>
+#include <f32file.h>
+#include <hal.h>
+
+_LIT(KHalDataFileName, "\\system\\data\\HAL.DAT");
+
+RTest test(_L("SAVEHAL"));
+
+const TInt KHalProperties=HAL::EEntryDynamic|HAL::EEntryValid;
+
+TInt E32Main()
+	{
+	test.Title();
+
+	test.Start(_L("Get HAL data"));
+	HAL::SEntry* pE;
+	TInt nEntries;
+	TInt r=HAL::GetAll(nEntries, pE);
+	test(r==KErrNone);
+	test.Printf(_L("%d entries\n"),nEntries);
+
+	const HAL::SEntry* pS=pE;
+	const HAL::SEntry* pEnd=pS+nEntries;
+	TInt* pD=(TInt*)pE;
+	TInt s=0;
+	for (; pS<pEnd; ++pS, ++s)
+		{
+		if ((pS->iProperties & KHalProperties)==KHalProperties)
+			{
+			TInt v=pS->iValue;
+			*pD++=s;
+			*pD++=v;
+			}
+		}
+	TInt nSaved=(pD-(TInt*)pE)>>1;
+	test.Printf(_L("%d entries to be saved\n"),nSaved);
+
+	test.Next(_L("Connect to file server"));
+	RFs fs;
+	r=fs.Connect();
+	test(r==KErrNone);
+
+	test.Next(_L("Open file"));
+	RFile file;
+	r=file.Replace(fs,KHalDataFileName,EFileWrite|EFileShareExclusive);
+	test(r==KErrNone);
+
+	test.Next(_L("Save data"));
+	TPckgBuf<TInt> muid;
+	r=HAL::Get(HAL::EMachineUid, muid());
+	test (r==KErrNone);
+	r=file.Write(muid);
+	test(r==KErrNone);
+	TPtrC8 ptr((const TUint8*)pE, nSaved*8);
+	r=file.Write(ptr);
+	test(r==KErrNone);
+
+	file.Close();
+	fs.Close();
+	User::Free(pE);
+
+	test.End();
+
+	return 0;
+	}