--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/kerneltest/e32test/mmu/t_chunk4.cpp Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,485 @@
+// 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:
+// e32test\mmu\t_chunk4.cpp
+// Overview:
+// Test disconnected chunks
+// API Information:
+// RChunk, CBase
+// Details:
+// - Check Allocate/Commit/Decommit methods on local disconnected chunk and write/read
+// access to both committed and uncommitted regions.
+// - Check IPC that involves local disconnected chunk and verify results are as expected.
+// Platforms/Drives/Compatibility:
+// All.
+// Assumptions/Requirement/Pre-requisites:
+// Failures and causes:
+// Base Port information:
+//
+//
+
+#define __E32TEST_EXTENSION__
+#include <e32test.h>
+#include "u32std.h"
+#include "mmudetect.h"
+#include "../misc/prbs.h"
+#include "d_memorytest.h"
+#include "freeram.h"
+
+RTest test(_L("T_CHUNK4"));
+
+RMemoryTestLdd TestLdd;
+
+TUint RndSeed[2];
+
+class CChunk : public CBase
+ {
+public:
+ static CChunk* New(TInt aMaxSize);
+public:
+ virtual ~CChunk();
+ TInt Verify();
+ TInt Commit(TInt anOffset, TInt aSize);
+ TInt Allocate(TInt aSize);
+ TInt Decommit(TInt anOffset, TInt aSize);
+ void CheckL(volatile TUint* aPtr);
+ TInt AddPages(TInt anOffset, TInt aSize);
+ TInt RemovePages(TInt anOffset, TInt aSize);
+public:
+ RChunk iChunk;
+ TUint8* iPageInfo;
+ TInt iPageSize;
+ TInt iMaxSize;
+ TInt iNumPages;
+ };
+
+CChunk* CChunk::New(TInt aMaxSize)
+ {
+ CChunk* pC=new CChunk;
+ if (pC)
+ {
+ TInt p;
+ UserHal::PageSizeInBytes(p);
+ pC->iPageSize=p;
+ pC->iMaxSize=aMaxSize;
+ TInt n=aMaxSize/p;
+ pC->iNumPages=n;
+ TInt r=pC->iChunk.CreateDisconnectedLocal(0,0,aMaxSize);
+ if (r==KErrNone)
+ {
+ TUint8* pI=(TUint8*)User::Alloc(n);
+ if (pI)
+ {
+ pC->iPageInfo=pI;
+ Mem::FillZ(pI,n);
+ }
+ else
+ r=KErrNoMemory;
+ }
+ if (r!=KErrNone)
+ {
+ delete pC;
+ pC=NULL;
+ }
+ }
+ return pC;
+ }
+
+CChunk::~CChunk()
+ {
+ delete iPageInfo;
+ iChunk.Close();
+ }
+
+void CChunk::CheckL(volatile TUint* aPtr)
+ {
+ TUint x=*aPtr;
+ *aPtr=x;
+ }
+
+TInt CChunk::Verify()
+ {
+// test.Getch();
+ TInt i;
+ TUint8* base=iChunk.Base();
+ for (i=0; i<iNumPages; i++)
+ {
+ volatile TUint* pX=(volatile TUint*)base;
+ TInt r=TestLdd.ReadWriteMemory((TAny*)pX);
+ TUint8 info=iPageInfo[i];
+ if (info==0 && r==KErrNone)
+ return KErrGeneral;
+ if (info!=0 && r!=KErrNone)
+ return KErrAccessDenied;
+ if (info!=0)
+ {
+ TUint seed[2];
+ seed[0]=info<<8;
+ seed[1]=0;
+ TInt j;
+ for (j=0; j<iPageSize; j+=4)
+ {
+ if (*pX++!=Random(seed))
+ return KErrArgument;
+ }
+ }
+ base+=iPageSize;
+ }
+ return KErrNone;
+ }
+
+TInt CChunk::AddPages(TInt anOffset, TInt aSize)
+ {
+ TInt i=anOffset/iPageSize;
+ TInt n=aSize/iPageSize;
+ TInt e=i+n;
+ TUint* p=(TUint*)(iChunk.Base()+anOffset);
+ for (; i<e; i++)
+ {
+ TUint8 s=(TUint8)Random(RndSeed);
+ if (s==0)
+ s=1;
+ iPageInfo[i]=s;
+ TUint seed[2];
+ seed[0]=s<<8;
+ seed[1]=0;
+ TInt j;
+ for (j=0; j<iPageSize; j+=4)
+ {
+ *p++=Random(seed);
+ }
+ }
+ return KErrNone;
+ }
+
+TInt CChunk::RemovePages(TInt anOffset, TInt aSize)
+ {
+ TInt i=anOffset/iPageSize;
+ TInt n=aSize/iPageSize;
+ TInt e=i+n;
+ for (; i<e; i++)
+ iPageInfo[i]=0;
+ return KErrNone;
+ }
+
+TInt CChunk::Commit(TInt anOffset, TInt aSize)
+ {
+ TInt r=iChunk.Commit(anOffset,aSize);
+ if (r==KErrNone)
+ {
+ AddPages(anOffset,aSize);
+ }
+ return r;
+ }
+
+TInt CChunk::Allocate(TInt aSize)
+ {
+ TInt r=iChunk.Allocate(aSize);
+ if (r>=0)
+ {
+ AddPages(r,aSize);
+ }
+ return r;
+ }
+
+TInt CChunk::Decommit(TInt anOffset, TInt aSize)
+ {
+ TInt r=iChunk.Decommit(anOffset,aSize);
+ if (r==KErrNone)
+ {
+ RemovePages(anOffset,aSize);
+ }
+ return r;
+ }
+
+// Stuff to test remote writes
+_LIT(KServerName, "Chunk4Test");
+
+class CTestSession : public CSession2
+ {
+public:
+ CTestSession();
+ virtual void ServiceL(const RMessage2& aMessage);
+ };
+
+class CTestServer : public CServer2
+ {
+public:
+ CTestServer();
+ virtual CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const;
+ };
+
+class RTestSession : public RSessionBase
+ {
+public:
+ enum {ETestIpc, ETestStop};
+ TInt Connect();
+ void Stop();
+ TInt TestRemoteWrite(TInt aLength, TInt anOffset1, TInt anOffset2, TInt anOffset3, TInt anOffset4);
+ TInt IpcWrite(TDes8* aRemoteDest, const TAny* aLocalSrc, TInt aOffset);
+ };
+
+CTestSession::CTestSession()
+ {
+ }
+
+void CTestSession::ServiceL(const RMessage2& aMessage)
+ {
+ switch (aMessage.Function())
+ {
+ case RTestSession::ETestIpc:
+ {
+ const TDesC8& localSrc = *(const TDesC8*)aMessage.Ptr1();
+ TInt offset = aMessage.Int2();
+ TInt r = aMessage.Write(0, localSrc, offset);
+ aMessage.Complete(r);
+ break;
+ }
+ case RTestSession::ETestStop:
+ CActiveScheduler::Stop();
+ break;
+ default:
+ User::Invariant();
+ }
+ }
+
+CTestServer::CTestServer()
+ : CServer2(0)
+ {
+ }
+
+CSession2* CTestServer::NewSessionL(const TVersion& /*aVersion*/, const RMessage2& /*aMessage*/) const
+ {
+ return new (ELeave) CTestSession;
+ }
+
+TInt ServerThread(TAny*)
+ {
+ CActiveScheduler* pA = new CActiveScheduler;
+ CTestServer* pS = new CTestServer;
+ if (!pA || !pS)
+ return KErrNoMemory;
+ CActiveScheduler::Install(pA);
+ TInt r = pS->Start(KServerName);
+ if (r!=KErrNone)
+ return r;
+ RThread::Rendezvous(KErrNone);
+ CActiveScheduler::Start();
+ return KErrNone;
+ }
+
+TInt RTestSession::Connect()
+ {
+ RThread t;
+ TInt r = t.Create(KServerName, ServerThread, 0x1000, 0x1000, 0x10000, NULL);
+ test(r==KErrNone);
+ t.SetPriority(EPriorityMore);
+ TRequestStatus s;
+ t.Rendezvous(s);
+ test(s==KRequestPending);
+ t.Resume();
+ User::WaitForRequest(s);
+ test(t.ExitType()==EExitPending);
+ test(s==KErrNone);
+ t.Close();
+ r = CreateSession(KServerName, TVersion());
+ return r;
+ }
+
+void RTestSession::Stop()
+ {
+ TInt r = SendReceive(ETestStop);
+ test(r==KErrServerTerminated);
+ Close();
+ }
+
+TInt RTestSession::IpcWrite(TDes8* aRemoteDest, const TAny* aLocalSrc, TInt aOffset)
+ {
+ return SendReceive(ETestIpc, TIpcArgs(aRemoteDest, aLocalSrc, aOffset));
+ }
+
+TInt RTestSession::TestRemoteWrite(TInt aLength, TInt anOffset1, TInt anOffset2, TInt anOffset3, TInt anOffset4)
+ {
+ test.Printf(_L("%x %x %x %x %x\n"),aLength,anOffset1,anOffset2,anOffset3,anOffset4);
+
+ TBool ptr=(anOffset1>=0);
+ TDes8* pDes;
+ TUint8* pData;
+ RChunk c;
+ TInt r=c.CreateDisconnectedLocal(0,0,0x800000);
+ test(r==KErrNone);
+ TUint8* base=c.Base();
+ if (ptr)
+ {
+ r=c.Commit(anOffset1,(TInt)sizeof(TPtr8));
+ test(r==KErrNone);
+ pDes=(TDes8*)(base+anOffset1);
+ Mem::FillZ(pDes,(TInt)sizeof(TPtr8));
+ r=c.Commit(anOffset2,aLength);
+ test(r==KErrNone);
+ pData=base+anOffset2;
+ Mem::FillZ(pData,aLength);
+ new(pDes) TPtr8(pData,0,aLength);
+ test(pDes->Length()==0);
+ test(pDes->MaxLength()==aLength);
+ test(pDes->Ptr()==pData);
+ }
+ else
+ {
+ TInt len=(TInt)sizeof(TDes8)+aLength;
+ r=c.Commit(anOffset2,len);
+ test(r==KErrNone);
+ pDes=(TDes8*)(base+anOffset2);
+ Mem::FillZ(pDes,len);
+ pData=base+anOffset2+(TInt)sizeof(TDes8);
+ new(pDes) TBuf8<1>;
+ ((TInt*)pDes)[1]=aLength;
+ test(pDes->Length()==0);
+ test(pDes->MaxLength()==aLength);
+ test(pDes->Ptr()==pData);
+ }
+ TInt slen=aLength-anOffset3;
+ TUint8* pS=(TUint8*)User::Alloc(aLength);
+ test(pS!=NULL);
+ Mem::FillZ(pS,aLength);
+ TPtrC8 src(pS+anOffset3,slen);
+ TInt i;
+ for (i=anOffset3; i<aLength; i++)
+ pS[i]=(TUint8)Random(RndSeed);
+ if (anOffset4>=0)
+ c.Decommit(anOffset4,0x1000);
+ r = IpcWrite(pDes, &src, anOffset3);
+ if (r==KErrNone)
+ {
+ TPtrC8 tsrc(pS,aLength);
+ if (*pDes!=tsrc)
+ r=KErrCorrupt;
+ }
+ User::Free(pS);
+ c.Close();
+ test.Printf(_L("Return value %d\n"),r);
+ return r;
+ }
+
+GLDEF_C TInt E32Main()
+ {
+ RndSeed[0]=0xddb3d743;
+ RndSeed[1]=0;
+
+ test.Title();
+ if (!HaveVirtMem())
+ {
+ test.Printf(_L("This test requires an MMU\n"));
+ return KErrNone;
+ }
+ test.Start(_L("Testing Disconnected Chunks"));
+
+ test.Printf(_L("Load test LDD\n"));
+ test(TestLdd.Open()==KErrNone);
+
+ CChunk* pC=CChunk::New(0x800000);
+ test(pC!=NULL);
+ TInt free=FreeRam();
+ test.Printf(_L("Free RAM %08x\n"),free);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Commit 0+0x1000\n"));
+ test(pC->Commit(0,0x1000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Commit 0+0x1000 (again)\n"));
+ test(pC->Commit(0,0x1000)==KErrAlreadyExists);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Commit 0x3000+0x1000\n"));
+ test(pC->Commit(0x3000,0x1000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Commit 0x2000+0x3000 (overlaps previous)\n"));
+ test(pC->Commit(0x2000,0x3000)==KErrAlreadyExists);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Allocate 0x5000\n"));
+ test(pC->Allocate(0x5000)==0x4000);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Allocate 0x1000\n"));
+ test(pC->Allocate(0x1000)==0x1000);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Decommit 0+0x4000\n"));
+ test(pC->Decommit(0,0x4000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Decommit 0+0x4000 (again)\n"));
+ test(pC->Decommit(0,0x4000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Allocate 0x4000\n"));
+ test(pC->Allocate(0x4000)==0x0000);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Decommit 0+0x10000\n"));
+ test(pC->Decommit(0,0x10000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Check Free RAM\n"));
+ test(FreeRam()==free);
+
+ test.Printf(_L("Commit 0x700000+0x10000\n"));
+ test(pC->Commit(0x700000,0x10000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Allocate 0x4000\n"));
+ test(pC->Allocate(0x4000)==0x0000);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Decommit 0+0x800000\n"));
+ test(pC->Decommit(0,0x800000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Check Free RAM\n"));
+ test(FreeRam()==free);
+
+ delete pC;
+
+ // Test decommiting from a chunk which has no memory commited
+ // in the first megabyte. On the moving memory model, such
+ // chunks have a non-zero iHomeRegionOffset value and has been
+ // the cause of defects (DEF121857)
+ test.Printf(_L("Create new chunk\n"));
+ pC=CChunk::New(0x800000);
+ test(pC!=NULL);
+ test.Printf(_L("Commit 0x100000+0x3000\n"));
+ test(pC->Commit(0x100000,0x3000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Decommit 0+0x101000\n"));
+ test(pC->Decommit(0,0x101000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Decommit 0x101000+0x1000\n"));
+ test(pC->Decommit(0x101000,0x1000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ test.Printf(_L("Decommit 0x100000+0x100000\n"));
+ test(pC->Decommit(0x100000,0x100000)==KErrNone);
+ test(pC->Verify()==KErrNone);
+ delete pC;
+
+ test.Next(_L("Testing RThread::Write to disconnected chunks"));
+ RTestSession ts;
+ TInt r = ts.Connect();
+ test(r==KErrNone);
+ test(ts.TestRemoteWrite(64,0,0x3000,0,-1)==KErrNone);
+ test(ts.TestRemoteWrite(64,0xffc,0x8000,0,-1)==KErrNone);
+ test(ts.TestRemoteWrite(256,0xffc,0x7f80,0,-1)==KErrNone);
+ test(ts.TestRemoteWrite(256,0xffc,0x7f80,128,-1)==KErrNone);
+ test(ts.TestRemoteWrite(0x10000,0xffc,0x707f80,0,-1)==KErrNone);
+ test(ts.TestRemoteWrite(0x10000,0xffc,0x707f80,0x2000,-1)==KErrNone);
+ test(ts.TestRemoteWrite(64,-1,0x3000,0,-1)==KErrNone);
+ test(ts.TestRemoteWrite(0x10000,-1,0xfff00,0x2000,-1)==KErrNone);
+ test(ts.TestRemoteWrite(256,0xffc,0x7f80,16,0)==KErrBadDescriptor);
+ test(ts.TestRemoteWrite(256,0xffc,0x7f80,16,0x1000)==KErrBadDescriptor);
+ test(ts.TestRemoteWrite(256,0xffc,0x7f80,16,0x7000)==KErrBadDescriptor);
+ test(ts.TestRemoteWrite(256,0xffc,0x7f80,16,0x8000)==KErrBadDescriptor);
+ test(ts.TestRemoteWrite(0x10000,0xffc,0x707f80,0x2000,0x710000)==KErrBadDescriptor);
+ test(ts.TestRemoteWrite(0x10000,-1,0xfff00,0x1000,0x100000)==KErrBadDescriptor);
+ ts.Stop();
+
+ test.End();
+ return 0;
+ }