We need a way to pass flags to rombuilds in Raptor via extension flm interfaces, so that the CPP pass
of the rom input files can be informed what toolchain we are building with and conditionally
include or exclude files depending on whether the toolchain could build them.
// 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_wbc.cpp
// Overview:
// Read and write RChunk data.
// API Information:
// RChunk
// Details:
// Create two local RChunk objects. Perform ReadModifyWrite, WriteOnly
// and ReadOnly operations on the chunks. Verify that the results are
// as expected.
// Platforms/Drives/Compatibility:
// All.
// Assumptions/Requirement/Pre-requisites:
// Failures and causes:
// Base Port information:
//
//
#include <e32test.h>
#include <e32hal.h>
#include <e32svr.h>
RTest test(_L("T_WBC"));
TUint32 ReadModifyWrite(volatile TUint32* p, TInt aNumWords)
{
TUint32 x=0;
while(aNumWords--)
{
x=*p;
*p++=0;
}
return x;
}
void WriteOnly(volatile TUint32* p, TInt aNumWords)
{
while(aNumWords--)
*p++=0xffffffff;
}
TUint32 ReadOnly(volatile TUint32* p, TInt aNumWords)
{
TUint32 x=0;
while(aNumWords--)
x+=*p++;
return x;
}
void Dump(volatile TUint32* p, TInt aNumWords)
{
while(aNumWords>0)
{
RDebug::Print(_L("%08x: %08x %08x %08x %08x %08x %08x %08x %08x"),p,
p[0],p[1],p[2],p[3],p[4],p[5],p[6],p[7]);
p+=8;
aNumWords-=8;
}
}
void Verify(volatile TUint32* p, TInt aNumWords)
{
while(aNumWords--)
test(*p++==0xffffffff);
}
GLDEF_C TInt E32Main()
{
TInt pageSize;
UserHal::PageSizeInBytes(pageSize);
test.Title();
test.Start(_L("Create chunk 1"));
RChunk c1;
TInt r=c1.CreateLocal(4*pageSize,0x100000); // initial size 4 pages
test(r==KErrNone);
test.Next(_L("Create chunk 2"));
RChunk c2;
r=c2.CreateLocal(pageSize,0x100000); // initial size 1 page
test(r==KErrNone);
test.Next(_L("Fill DCache with modified lines from chunk 1"));
volatile TUint32* p=(volatile TUint32*)(c1.Base()+2*pageSize);
ReadModifyWrite(p,pageSize>>1);
c1.Adjust(2*pageSize); // lose the two modified pages
c2.Adjust(3*pageSize); // map them back into chunk 2
p=(volatile TUint32*)(c2.Base()+pageSize);
WriteOnly(p,pageSize>>1); // write to the modified pages at new virtual address
p=(volatile TUint32*)c1.Base();
ReadOnly(p,pageSize>>1); // read two other pages (this will evict the modified lines)
p=(volatile TUint32*)(c2.Base()+pageSize);
Dump(p,pageSize>>1);
Verify(p,pageSize>>1);
test.Printf(_L("\n"));
test.End();
return 0;
}