--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/mmu/t_ramall.cpp Thu Dec 17 09:24:54 2009 +0200
@@ -0,0 +1,155 @@
+// Copyright (c) 1997-2009 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:
+// e32test\mmu\t_ramall.cpp
+//
+//
+
+#define __E32TEST_EXTENSION__
+
+#include <e32test.h>
+#include <e32uid.h>
+#include <e32hal.h>
+#include "d_shadow.h"
+#include "mmudetect.h"
+#include "freeram.h"
+
+LOCAL_D RTest test(_L("T_RAMALL"));
+
+_LIT(KLddFileName,"D_SHADOW.LDD");
+
+TInt PageSize;
+TInt PageShift;
+RShadow Shadow;
+TInt InitFreeRam;
+
+TInt AllocPhysicalRam(TUint32& aAddr, TInt aSize, TInt aAlign)
+ {
+ return Shadow.AllocPhysicalRam(aAddr,aSize,aAlign);
+ }
+
+TInt FreePhysicalRam(TUint32 aAddr, TInt aSize)
+ {
+ return Shadow.FreePhysicalRam(aAddr,aSize);
+ }
+
+TInt ClaimPhysicalRam(TUint32 aAddr, TInt aSize)
+ {
+ return Shadow.ClaimPhysicalRam(aAddr,aSize);
+ }
+
+void TestAlignedAllocs()
+ {
+ TInt align;
+ TInt size;
+ for (align=PageShift; align<=20; ++align)
+ {
+ for (size=PageSize; size<=0x100000; size+=PageSize)
+ {
+ TInt free=FreeRam();
+ TUint32 pa=0;
+ TInt r=AllocPhysicalRam(pa,size,align);
+ test.Printf(_L("Size %08x Align %d r=%d pa=%08x\n"),size,align,r,pa);
+ if (r==KErrNone)
+ {
+ TUint32 as=1u<<align;
+ TUint32 am=as-1;
+ test(FreeRam()==free-size);
+ test((pa&am)==0);
+ r=FreePhysicalRam(pa,size);
+ test(r==KErrNone);
+ }
+ test(FreeRam()==free);
+ }
+ }
+ }
+
+void TestClaimPhys()
+ {
+ TInt free=FreeRam();
+
+ TUint32 pa=0;
+ TInt r=AllocPhysicalRam(pa,4*PageSize,0);
+ test(r==KErrNone);
+ test(FreeRam()==free-4*PageSize);
+
+ r=FreePhysicalRam(pa,4*PageSize);
+ test(r==KErrNone);
+ test(FreeRam()==free);
+
+ r=ClaimPhysicalRam(pa,4*PageSize);
+ test(r==KErrNone);
+ test(FreeRam()==free-4*PageSize);
+
+ r=FreePhysicalRam(pa,3*PageSize);
+ test(r==KErrNone);
+ test(FreeRam()==free-PageSize);
+
+ r=ClaimPhysicalRam(pa,4*PageSize);
+ test(r==KErrInUse);
+ test(FreeRam()==free-PageSize);
+
+#ifdef MANUAL_PANIC_TEST
+//This section of the test should be run as a manual test as it results in
+// a panic due to attempting to Free an unclaimed page
+ if (HaveVirtMem())
+ {
+ test.Printf(_L("HaveVirtMem() \n"));
+ r=FreePhysicalRam(pa,4*PageSize);
+ test.Printf(_L("FreePhysicalRam() \n"));
+ test(r==KErrGeneral);
+ test(FreeRam()==free-PageSize);
+ }
+#endif
+
+ r=FreePhysicalRam(pa+3*PageSize,PageSize);
+ test(r==KErrNone);
+ test(FreeRam()==free);
+
+ }
+
+GLDEF_C TInt E32Main()
+//
+// Test RAM allocation
+//
+ {
+ test.Title();
+ test.Start(_L("Load test LDD"));
+ TInt r=User::LoadLogicalDevice(KLddFileName);
+ test(r==KErrNone || r==KErrAlreadyExists);
+
+ r=UserHal::PageSizeInBytes(PageSize);
+ test(r==KErrNone);
+
+ TInt psz=PageSize;
+ PageShift=-1;
+ for (; psz; psz>>=1, ++PageShift);
+
+ InitFreeRam=FreeRam();
+ test.Printf(_L("Free RAM=%08x, Page size=%x, Page shift=%d\n"),InitFreeRam,PageSize,PageShift);
+
+ test.Next(_L("Open test LDD"));
+ r=Shadow.Open();
+ test(r==KErrNone);
+
+ test.Next(_L("TestAlignedAllocs"));
+ TestAlignedAllocs();
+
+ test.Next(_L("TestClaimPhys"));
+ TestClaimPhys();
+
+ Shadow.Close();
+ test.End();
+ return(KErrNone);
+ }
+