kernel/eka/memmodel/epoc/direct/arm/xinit.cpp
changeset 0 a41df078684a
child 43 c1f20ce4abcf
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/kernel/eka/memmodel/epoc/direct/arm/xinit.cpp	Mon Oct 19 15:55:17 2009 +0100
@@ -0,0 +1,90 @@
+// Copyright (c) 1996-2009 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:
+// e32\memmodel\epoc\direct\arm\xinit.cpp
+// 
+//
+
+#include "arm_mem.h"
+#include <e32uid.h>
+#include <kernel/cache.h>
+
+void MM::Init1()
+	{
+	__KTRACE_OPT(KBOOT,Kern::Printf("MM::Init1()"));
+
+	MM::RamBlockSize=0x1000;
+	MM::RamBlockShift=12;
+
+	PP::MaxUserThreadStack=0x14000;			// 80K - STDLIB asks for 64K for PosixServer!!!!
+	PP::UserThreadStackGuard=0x2000;		// 8K
+	PP::MaxStackSpacePerProcess=0x200000;	// 2Mb
+	K::SupervisorThreadStackSize=0x1000;	// 4K
+	PP::SupervisorThreadStackGuard=0x1000;	// 4K
+
+	K::MachineConfig=(TMachineConfig*)(((TUint8*)SuperPageAddress)+0x800);	// HACK!!
+	K::MaxMemCopyInOneGo = KDefaultMaxMemCopyInOneGo;
+	PP::RamDriveStartAddress = TheSuperPage().iKernelLimit;
+	PP::RamDriveMaxSize = TheRomHeader().iUserDataAddress - PP::RamDriveStartAddress;
+
+	__KTRACE_OPT(KBOOT,Kern::Printf("RamDriveBase %08x RamDriveMaxSize %08x",PP::RamDriveStartAddress,PP::RamDriveMaxSize));
+
+#ifdef __CPU_ARM_USE_DOMAINS
+	Arm::DefaultDomainAccess=Arm::Dacr();
+#endif
+
+	K::MemModelAttributes=EMemModelTypeDirect|EMemModelAttrNonExProt|EMemModelAttrKernProt|
+							EMemModelAttrWriteProt|EMemModelAttrSvKernProt;
+
+	__KTRACE_OPT(KBOOT,Kern::Printf("K::MaxMemCopyInOneGo=0x%x",K::MaxMemCopyInOneGo));
+	}
+
+#ifdef __CPU_HAS_CACHE
+// Set up virtual addresses used for cache flushing if this is
+// done by data read or line allocate
+void M::SetupCacheFlushPtr(TInt aCache, SCacheInfo& aInfo)
+	{
+#if defined(__CPU_CACHE_FLUSH_BY_DATA_READ) || defined(__CPU_CACHE_FLUSH_BY_LINE_ALLOC)
+#ifdef __CPU_HAS_ALT_D_CACHE
+	if (aCache==KCacheNumAltD)
+		{
+		aInfo.iFlushPtr=TheSuperPage().iAltDCacheFlushArea;
+		aInfo.iFlushMask=TheSuperPage().iAltDCacheFlushWrap;
+		}
+#endif
+	if (aCache==KCacheNumD)
+		{
+		aInfo.iFlushPtr=TheSuperPage().iDCacheFlushArea;
+		aInfo.iFlushMask=TheSuperPage().iDCacheFlushWrap;
+		}
+#endif
+	}
+#endif
+
+#ifdef __SMP__
+void M::GetAPBootInfo(TInt aCpu, volatile SAPBootInfo* aInfo)
+	{
+	volatile SArmAPBootInfo& info = *(volatile SArmAPBootInfo*)aInfo;
+	TSubScheduler& ss = SubScheduler();
+	TUint32 delta = aCpu*0x2000;
+	info.iInitR13Fiq = TLinAddr(ss.i_FiqStackTop) + delta;
+	info.iInitR13Irq = TLinAddr(ss.i_IrqStackTop) + delta;
+	info.iInitR13Abt = TLinAddr(ss.i_AbtStackTop) + delta;
+	info.iInitR13Und = TLinAddr(ss.i_UndStackTop) + delta;
+	}
+
+void M::Init2AP()
+	{
+	__KTRACE_OPT(KBOOT,Kern::Printf("M::Init2AP()"));
+	}
+#endif