1 // Copyright (c) 1996-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #include "arm_mem.h"

    17 #include "../mmu/mm.h"

    18 

    19 // Set up virtual addresses used for cache flushing if this is

    20 // done by data read or line allocate

    21 void M::SetupCacheFlushPtr(TInt aCache, SCacheInfo& aInfo)

    22 	{

    23 	}

    24 

    25 #ifdef __SMP__

    26 extern DMemoryObject* ExceptionStacks;

    27 

    28 void M::GetAPBootInfo(TInt aCpu, volatile SAPBootInfo* aInfo)

    29 	{

    30 	SArmAPBootInfo* b = (SArmAPBootInfo*)aInfo;

    31 	TInt i;

    32 	for (i=1; i<=7; i+=2)

    33 		{

    34 		TUint ix = (TUint)(aCpu*8+i);

    35 		TInt r = MM::MemoryAlloc(ExceptionStacks, ix, 1);

    36 		__NK_ASSERT_ALWAYS(r==KErrNone);

    37 		TLinAddr addr = KExcptStacksLinearBase + (ix<<KPageShift);

    38 		TLinAddr top = addr + KPageSize;

    39 		TUint8 fill = 0xdd;

    40 		switch (i)

    41 			{

    42 			case 1:	b->iInitR13Irq = top; fill=0xaa; break;

    43 			case 3:	b->iInitR13Fiq = top; fill=0xbb; break;

    44 			case 5:	b->iInitR13Und = top; break;

    45 			case 7:	top-=sizeof(SFullArmRegSet); b->iInitR13Abt = top; memclr((TAny*)top,sizeof(SFullArmRegSet)); break;

    46 			default: __NK_ASSERT_ALWAYS(0); break;

    47 			}

    48 		memset((TAny*)addr, fill, top-addr);

    49 		}

    50 	}

    51 

    52 void M::Init2AP()

    53 	{

    54 	__KTRACE_OPT(KBOOT,Kern::Printf("M::Init2AP()"));

    55 	DThread& t = Kern::CurrentThread();

    56 	SubScheduler().iAddressSpace = t.iOwningProcess;

    57 	t.iNThread.SetAddressSpace(t.iOwningProcess);

    58 	t.iNThread.SetAttributes(KThreadAttAddressSpace);

    59 	}

    60 #endif