1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/kernelhwsrv/kerneltest/e32test/mmu/t_chunk4.cpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,485 @@
1.4 +// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of the License "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// e32test\mmu\t_chunk4.cpp
1.18 +// Overview:
1.19 +// Test disconnected chunks
1.20 +// API Information:
1.21 +// RChunk, CBase
1.22 +// Details:
1.23 +// - Check Allocate/Commit/Decommit methods on local disconnected chunk and write/read
1.24 +// access to both committed and uncommitted regions.
1.25 +// - Check IPC that involves local disconnected chunk and verify results are as expected.
1.26 +// Platforms/Drives/Compatibility:
1.27 +// All.
1.28 +// Assumptions/Requirement/Pre-requisites:
1.29 +// Failures and causes:
1.30 +// Base Port information:
1.31 +//
1.32 +//
1.33 +
1.34 +#define __E32TEST_EXTENSION__
1.35 +#include <e32test.h>
1.36 +#include "u32std.h"
1.37 +#include "mmudetect.h"
1.38 +#include "../misc/prbs.h"
1.39 +#include "d_memorytest.h"
1.40 +#include "freeram.h"
1.41 +
1.42 +RTest test(_L("T_CHUNK4"));
1.43 +
1.44 +RMemoryTestLdd TestLdd;
1.45 +
1.46 +TUint RndSeed[2];
1.47 +
1.48 +class CChunk : public CBase
1.49 + {
1.50 +public:
1.51 + static CChunk* New(TInt aMaxSize);
1.52 +public:
1.53 + virtual ~CChunk();
1.54 + TInt Verify();
1.55 + TInt Commit(TInt anOffset, TInt aSize);
1.56 + TInt Allocate(TInt aSize);
1.57 + TInt Decommit(TInt anOffset, TInt aSize);
1.58 + void CheckL(volatile TUint* aPtr);
1.59 + TInt AddPages(TInt anOffset, TInt aSize);
1.60 + TInt RemovePages(TInt anOffset, TInt aSize);
1.61 +public:
1.62 + RChunk iChunk;
1.63 + TUint8* iPageInfo;
1.64 + TInt iPageSize;
1.65 + TInt iMaxSize;
1.66 + TInt iNumPages;
1.67 + };
1.68 +
1.69 +CChunk* CChunk::New(TInt aMaxSize)
1.70 + {
1.71 + CChunk* pC=new CChunk;
1.72 + if (pC)
1.73 + {
1.74 + TInt p;
1.75 + UserHal::PageSizeInBytes(p);
1.76 + pC->iPageSize=p;
1.77 + pC->iMaxSize=aMaxSize;
1.78 + TInt n=aMaxSize/p;
1.79 + pC->iNumPages=n;
1.80 + TInt r=pC->iChunk.CreateDisconnectedLocal(0,0,aMaxSize);
1.81 + if (r==KErrNone)
1.82 + {
1.83 + TUint8* pI=(TUint8*)User::Alloc(n);
1.84 + if (pI)
1.85 + {
1.86 + pC->iPageInfo=pI;
1.87 + Mem::FillZ(pI,n);
1.88 + }
1.89 + else
1.90 + r=KErrNoMemory;
1.91 + }
1.92 + if (r!=KErrNone)
1.93 + {
1.94 + delete pC;
1.95 + pC=NULL;
1.96 + }
1.97 + }
1.98 + return pC;
1.99 + }
1.100 +
1.101 +CChunk::~CChunk()
1.102 + {
1.103 + delete iPageInfo;
1.104 + iChunk.Close();
1.105 + }
1.106 +
1.107 +void CChunk::CheckL(volatile TUint* aPtr)
1.108 + {
1.109 + TUint x=*aPtr;
1.110 + *aPtr=x;
1.111 + }
1.112 +
1.113 +TInt CChunk::Verify()
1.114 + {
1.115 +// test.Getch();
1.116 + TInt i;
1.117 + TUint8* base=iChunk.Base();
1.118 + for (i=0; i<iNumPages; i++)
1.119 + {
1.120 + volatile TUint* pX=(volatile TUint*)base;
1.121 + TInt r=TestLdd.ReadWriteMemory((TAny*)pX);
1.122 + TUint8 info=iPageInfo[i];
1.123 + if (info==0 && r==KErrNone)
1.124 + return KErrGeneral;
1.125 + if (info!=0 && r!=KErrNone)
1.126 + return KErrAccessDenied;
1.127 + if (info!=0)
1.128 + {
1.129 + TUint seed[2];
1.130 + seed[0]=info<<8;
1.131 + seed[1]=0;
1.132 + TInt j;
1.133 + for (j=0; j<iPageSize; j+=4)
1.134 + {
1.135 + if (*pX++!=Random(seed))
1.136 + return KErrArgument;
1.137 + }
1.138 + }
1.139 + base+=iPageSize;
1.140 + }
1.141 + return KErrNone;
1.142 + }
1.143 +
1.144 +TInt CChunk::AddPages(TInt anOffset, TInt aSize)
1.145 + {
1.146 + TInt i=anOffset/iPageSize;
1.147 + TInt n=aSize/iPageSize;
1.148 + TInt e=i+n;
1.149 + TUint* p=(TUint*)(iChunk.Base()+anOffset);
1.150 + for (; i<e; i++)
1.151 + {
1.152 + TUint8 s=(TUint8)Random(RndSeed);
1.153 + if (s==0)
1.154 + s=1;
1.155 + iPageInfo[i]=s;
1.156 + TUint seed[2];
1.157 + seed[0]=s<<8;
1.158 + seed[1]=0;
1.159 + TInt j;
1.160 + for (j=0; j<iPageSize; j+=4)
1.161 + {
1.162 + *p++=Random(seed);
1.163 + }
1.164 + }
1.165 + return KErrNone;
1.166 + }
1.167 +
1.168 +TInt CChunk::RemovePages(TInt anOffset, TInt aSize)
1.169 + {
1.170 + TInt i=anOffset/iPageSize;
1.171 + TInt n=aSize/iPageSize;
1.172 + TInt e=i+n;
1.173 + for (; i<e; i++)
1.174 + iPageInfo[i]=0;
1.175 + return KErrNone;
1.176 + }
1.177 +
1.178 +TInt CChunk::Commit(TInt anOffset, TInt aSize)
1.179 + {
1.180 + TInt r=iChunk.Commit(anOffset,aSize);
1.181 + if (r==KErrNone)
1.182 + {
1.183 + AddPages(anOffset,aSize);
1.184 + }
1.185 + return r;
1.186 + }
1.187 +
1.188 +TInt CChunk::Allocate(TInt aSize)
1.189 + {
1.190 + TInt r=iChunk.Allocate(aSize);
1.191 + if (r>=0)
1.192 + {
1.193 + AddPages(r,aSize);
1.194 + }
1.195 + return r;
1.196 + }
1.197 +
1.198 +TInt CChunk::Decommit(TInt anOffset, TInt aSize)
1.199 + {
1.200 + TInt r=iChunk.Decommit(anOffset,aSize);
1.201 + if (r==KErrNone)
1.202 + {
1.203 + RemovePages(anOffset,aSize);
1.204 + }
1.205 + return r;
1.206 + }
1.207 +
1.208 +// Stuff to test remote writes
1.209 +_LIT(KServerName, "Chunk4Test");
1.210 +
1.211 +class CTestSession : public CSession2
1.212 + {
1.213 +public:
1.214 + CTestSession();
1.215 + virtual void ServiceL(const RMessage2& aMessage);
1.216 + };
1.217 +
1.218 +class CTestServer : public CServer2
1.219 + {
1.220 +public:
1.221 + CTestServer();
1.222 + virtual CSession2* NewSessionL(const TVersion& aVersion, const RMessage2& aMessage) const;
1.223 + };
1.224 +
1.225 +class RTestSession : public RSessionBase
1.226 + {
1.227 +public:
1.228 + enum {ETestIpc, ETestStop};
1.229 + TInt Connect();
1.230 + void Stop();
1.231 + TInt TestRemoteWrite(TInt aLength, TInt anOffset1, TInt anOffset2, TInt anOffset3, TInt anOffset4);
1.232 + TInt IpcWrite(TDes8* aRemoteDest, const TAny* aLocalSrc, TInt aOffset);
1.233 + };
1.234 +
1.235 +CTestSession::CTestSession()
1.236 + {
1.237 + }
1.238 +
1.239 +void CTestSession::ServiceL(const RMessage2& aMessage)
1.240 + {
1.241 + switch (aMessage.Function())
1.242 + {
1.243 + case RTestSession::ETestIpc:
1.244 + {
1.245 + const TDesC8& localSrc = *(const TDesC8*)aMessage.Ptr1();
1.246 + TInt offset = aMessage.Int2();
1.247 + TInt r = aMessage.Write(0, localSrc, offset);
1.248 + aMessage.Complete(r);
1.249 + break;
1.250 + }
1.251 + case RTestSession::ETestStop:
1.252 + CActiveScheduler::Stop();
1.253 + break;
1.254 + default:
1.255 + User::Invariant();
1.256 + }
1.257 + }
1.258 +
1.259 +CTestServer::CTestServer()
1.260 + : CServer2(0)
1.261 + {
1.262 + }
1.263 +
1.264 +CSession2* CTestServer::NewSessionL(const TVersion& /*aVersion*/, const RMessage2& /*aMessage*/) const
1.265 + {
1.266 + return new (ELeave) CTestSession;
1.267 + }
1.268 +
1.269 +TInt ServerThread(TAny*)
1.270 + {
1.271 + CActiveScheduler* pA = new CActiveScheduler;
1.272 + CTestServer* pS = new CTestServer;
1.273 + if (!pA || !pS)
1.274 + return KErrNoMemory;
1.275 + CActiveScheduler::Install(pA);
1.276 + TInt r = pS->Start(KServerName);
1.277 + if (r!=KErrNone)
1.278 + return r;
1.279 + RThread::Rendezvous(KErrNone);
1.280 + CActiveScheduler::Start();
1.281 + return KErrNone;
1.282 + }
1.283 +
1.284 +TInt RTestSession::Connect()
1.285 + {
1.286 + RThread t;
1.287 + TInt r = t.Create(KServerName, ServerThread, 0x1000, 0x1000, 0x10000, NULL);
1.288 + test(r==KErrNone);
1.289 + t.SetPriority(EPriorityMore);
1.290 + TRequestStatus s;
1.291 + t.Rendezvous(s);
1.292 + test(s==KRequestPending);
1.293 + t.Resume();
1.294 + User::WaitForRequest(s);
1.295 + test(t.ExitType()==EExitPending);
1.296 + test(s==KErrNone);
1.297 + t.Close();
1.298 + r = CreateSession(KServerName, TVersion());
1.299 + return r;
1.300 + }
1.301 +
1.302 +void RTestSession::Stop()
1.303 + {
1.304 + TInt r = SendReceive(ETestStop);
1.305 + test(r==KErrServerTerminated);
1.306 + Close();
1.307 + }
1.308 +
1.309 +TInt RTestSession::IpcWrite(TDes8* aRemoteDest, const TAny* aLocalSrc, TInt aOffset)
1.310 + {
1.311 + return SendReceive(ETestIpc, TIpcArgs(aRemoteDest, aLocalSrc, aOffset));
1.312 + }
1.313 +
1.314 +TInt RTestSession::TestRemoteWrite(TInt aLength, TInt anOffset1, TInt anOffset2, TInt anOffset3, TInt anOffset4)
1.315 + {
1.316 + test.Printf(_L("%x %x %x %x %x\n"),aLength,anOffset1,anOffset2,anOffset3,anOffset4);
1.317 +
1.318 + TBool ptr=(anOffset1>=0);
1.319 + TDes8* pDes;
1.320 + TUint8* pData;
1.321 + RChunk c;
1.322 + TInt r=c.CreateDisconnectedLocal(0,0,0x800000);
1.323 + test(r==KErrNone);
1.324 + TUint8* base=c.Base();
1.325 + if (ptr)
1.326 + {
1.327 + r=c.Commit(anOffset1,(TInt)sizeof(TPtr8));
1.328 + test(r==KErrNone);
1.329 + pDes=(TDes8*)(base+anOffset1);
1.330 + Mem::FillZ(pDes,(TInt)sizeof(TPtr8));
1.331 + r=c.Commit(anOffset2,aLength);
1.332 + test(r==KErrNone);
1.333 + pData=base+anOffset2;
1.334 + Mem::FillZ(pData,aLength);
1.335 + new(pDes) TPtr8(pData,0,aLength);
1.336 + test(pDes->Length()==0);
1.337 + test(pDes->MaxLength()==aLength);
1.338 + test(pDes->Ptr()==pData);
1.339 + }
1.340 + else
1.341 + {
1.342 + TInt len=(TInt)sizeof(TDes8)+aLength;
1.343 + r=c.Commit(anOffset2,len);
1.344 + test(r==KErrNone);
1.345 + pDes=(TDes8*)(base+anOffset2);
1.346 + Mem::FillZ(pDes,len);
1.347 + pData=base+anOffset2+(TInt)sizeof(TDes8);
1.348 + new(pDes) TBuf8<1>;
1.349 + ((TInt*)pDes)[1]=aLength;
1.350 + test(pDes->Length()==0);
1.351 + test(pDes->MaxLength()==aLength);
1.352 + test(pDes->Ptr()==pData);
1.353 + }
1.354 + TInt slen=aLength-anOffset3;
1.355 + TUint8* pS=(TUint8*)User::Alloc(aLength);
1.356 + test(pS!=NULL);
1.357 + Mem::FillZ(pS,aLength);
1.358 + TPtrC8 src(pS+anOffset3,slen);
1.359 + TInt i;
1.360 + for (i=anOffset3; i<aLength; i++)
1.361 + pS[i]=(TUint8)Random(RndSeed);
1.362 + if (anOffset4>=0)
1.363 + c.Decommit(anOffset4,0x1000);
1.364 + r = IpcWrite(pDes, &src, anOffset3);
1.365 + if (r==KErrNone)
1.366 + {
1.367 + TPtrC8 tsrc(pS,aLength);
1.368 + if (*pDes!=tsrc)
1.369 + r=KErrCorrupt;
1.370 + }
1.371 + User::Free(pS);
1.372 + c.Close();
1.373 + test.Printf(_L("Return value %d\n"),r);
1.374 + return r;
1.375 + }
1.376 +
1.377 +GLDEF_C TInt E32Main()
1.378 + {
1.379 + RndSeed[0]=0xddb3d743;
1.380 + RndSeed[1]=0;
1.381 +
1.382 + test.Title();
1.383 + if (!HaveVirtMem())
1.384 + {
1.385 + test.Printf(_L("This test requires an MMU\n"));
1.386 + return KErrNone;
1.387 + }
1.388 + test.Start(_L("Testing Disconnected Chunks"));
1.389 +
1.390 + test.Printf(_L("Load test LDD\n"));
1.391 + test(TestLdd.Open()==KErrNone);
1.392 +
1.393 + CChunk* pC=CChunk::New(0x800000);
1.394 + test(pC!=NULL);
1.395 + TInt free=FreeRam();
1.396 + test.Printf(_L("Free RAM %08x\n"),free);
1.397 + test(pC->Verify()==KErrNone);
1.398 + test.Printf(_L("Commit 0+0x1000\n"));
1.399 + test(pC->Commit(0,0x1000)==KErrNone);
1.400 + test(pC->Verify()==KErrNone);
1.401 + test.Printf(_L("Commit 0+0x1000 (again)\n"));
1.402 + test(pC->Commit(0,0x1000)==KErrAlreadyExists);
1.403 + test(pC->Verify()==KErrNone);
1.404 + test.Printf(_L("Commit 0x3000+0x1000\n"));
1.405 + test(pC->Commit(0x3000,0x1000)==KErrNone);
1.406 + test(pC->Verify()==KErrNone);
1.407 + test.Printf(_L("Commit 0x2000+0x3000 (overlaps previous)\n"));
1.408 + test(pC->Commit(0x2000,0x3000)==KErrAlreadyExists);
1.409 + test(pC->Verify()==KErrNone);
1.410 + test.Printf(_L("Allocate 0x5000\n"));
1.411 + test(pC->Allocate(0x5000)==0x4000);
1.412 + test(pC->Verify()==KErrNone);
1.413 + test.Printf(_L("Allocate 0x1000\n"));
1.414 + test(pC->Allocate(0x1000)==0x1000);
1.415 + test(pC->Verify()==KErrNone);
1.416 + test.Printf(_L("Decommit 0+0x4000\n"));
1.417 + test(pC->Decommit(0,0x4000)==KErrNone);
1.418 + test(pC->Verify()==KErrNone);
1.419 + test.Printf(_L("Decommit 0+0x4000 (again)\n"));
1.420 + test(pC->Decommit(0,0x4000)==KErrNone);
1.421 + test(pC->Verify()==KErrNone);
1.422 + test.Printf(_L("Allocate 0x4000\n"));
1.423 + test(pC->Allocate(0x4000)==0x0000);
1.424 + test(pC->Verify()==KErrNone);
1.425 + test.Printf(_L("Decommit 0+0x10000\n"));
1.426 + test(pC->Decommit(0,0x10000)==KErrNone);
1.427 + test(pC->Verify()==KErrNone);
1.428 + test.Printf(_L("Check Free RAM\n"));
1.429 + test(FreeRam()==free);
1.430 +
1.431 + test.Printf(_L("Commit 0x700000+0x10000\n"));
1.432 + test(pC->Commit(0x700000,0x10000)==KErrNone);
1.433 + test(pC->Verify()==KErrNone);
1.434 + test.Printf(_L("Allocate 0x4000\n"));
1.435 + test(pC->Allocate(0x4000)==0x0000);
1.436 + test(pC->Verify()==KErrNone);
1.437 + test.Printf(_L("Decommit 0+0x800000\n"));
1.438 + test(pC->Decommit(0,0x800000)==KErrNone);
1.439 + test(pC->Verify()==KErrNone);
1.440 + test.Printf(_L("Check Free RAM\n"));
1.441 + test(FreeRam()==free);
1.442 +
1.443 + delete pC;
1.444 +
1.445 + // Test decommiting from a chunk which has no memory commited
1.446 + // in the first megabyte. On the moving memory model, such
1.447 + // chunks have a non-zero iHomeRegionOffset value and has been
1.448 + // the cause of defects (DEF121857)
1.449 + test.Printf(_L("Create new chunk\n"));
1.450 + pC=CChunk::New(0x800000);
1.451 + test(pC!=NULL);
1.452 + test.Printf(_L("Commit 0x100000+0x3000\n"));
1.453 + test(pC->Commit(0x100000,0x3000)==KErrNone);
1.454 + test(pC->Verify()==KErrNone);
1.455 + test.Printf(_L("Decommit 0+0x101000\n"));
1.456 + test(pC->Decommit(0,0x101000)==KErrNone);
1.457 + test(pC->Verify()==KErrNone);
1.458 + test.Printf(_L("Decommit 0x101000+0x1000\n"));
1.459 + test(pC->Decommit(0x101000,0x1000)==KErrNone);
1.460 + test(pC->Verify()==KErrNone);
1.461 + test.Printf(_L("Decommit 0x100000+0x100000\n"));
1.462 + test(pC->Decommit(0x100000,0x100000)==KErrNone);
1.463 + test(pC->Verify()==KErrNone);
1.464 + delete pC;
1.465 +
1.466 + test.Next(_L("Testing RThread::Write to disconnected chunks"));
1.467 + RTestSession ts;
1.468 + TInt r = ts.Connect();
1.469 + test(r==KErrNone);
1.470 + test(ts.TestRemoteWrite(64,0,0x3000,0,-1)==KErrNone);
1.471 + test(ts.TestRemoteWrite(64,0xffc,0x8000,0,-1)==KErrNone);
1.472 + test(ts.TestRemoteWrite(256,0xffc,0x7f80,0,-1)==KErrNone);
1.473 + test(ts.TestRemoteWrite(256,0xffc,0x7f80,128,-1)==KErrNone);
1.474 + test(ts.TestRemoteWrite(0x10000,0xffc,0x707f80,0,-1)==KErrNone);
1.475 + test(ts.TestRemoteWrite(0x10000,0xffc,0x707f80,0x2000,-1)==KErrNone);
1.476 + test(ts.TestRemoteWrite(64,-1,0x3000,0,-1)==KErrNone);
1.477 + test(ts.TestRemoteWrite(0x10000,-1,0xfff00,0x2000,-1)==KErrNone);
1.478 + test(ts.TestRemoteWrite(256,0xffc,0x7f80,16,0)==KErrBadDescriptor);
1.479 + test(ts.TestRemoteWrite(256,0xffc,0x7f80,16,0x1000)==KErrBadDescriptor);
1.480 + test(ts.TestRemoteWrite(256,0xffc,0x7f80,16,0x7000)==KErrBadDescriptor);
1.481 + test(ts.TestRemoteWrite(256,0xffc,0x7f80,16,0x8000)==KErrBadDescriptor);
1.482 + test(ts.TestRemoteWrite(0x10000,0xffc,0x707f80,0x2000,0x710000)==KErrBadDescriptor);
1.483 + test(ts.TestRemoteWrite(0x10000,-1,0xfff00,0x1000,0x100000)==KErrBadDescriptor);
1.484 + ts.Stop();
1.485 +
1.486 + test.End();
1.487 + return 0;
1.488 + }