author | Matti Laitinen <matti.t.laitinen@nokia.com> |
Thu, 11 Feb 2010 15:52:57 +0200 | |
changeset 1 | 3ff3fecb12fe |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* |
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*/ |
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|
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|
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#include <platform.h> |
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|
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#include "GeneralsDriver.h" |
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#include <kern_priv.h> //temporary |
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|
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#ifdef __WINS__ |
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__NAKED__ TUint* IntStackPtr() |
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{ |
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return 0; |
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} |
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|
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__NAKED__ TUint32 SPSR() |
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{ |
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return 0; |
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} |
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__NAKED__ void UsrModLr(TUint32* a) |
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{ |
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*a = 0; |
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} |
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#else |
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__NAKED__ TUint* IntStackPtr() |
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{ |
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asm("mrs r1, cpsr "); |
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asm("bic r3, r1, #0x1f "); |
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//#ifdef __MISA__ |
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// asm("orr r3, r3, #0xd1 "); // mode_fiq, all interrupts off |
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//#else |
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asm("orr r3, r3, #0xd2 "); // mode_irq, all interrupts off |
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//#endif |
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asm("msr cpsr, r3 "); |
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asm("mov r0, sp "); // r0=sp_irq or sp_fiq |
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asm("msr cpsr, r1 "); // restore interrupts |
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__JUMP(,lr); |
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} |
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__NAKED__ TUint32 SPSR() |
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{ |
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asm("mrs r0, spsr "); |
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__JUMP(,lr); |
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} |
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__NAKED__ void UsrModLr(TUint32*) |
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{ |
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// r0 = address to store |
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asm ("stmia r0,{lr}^"); |
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__JUMP(,lr); |
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} |
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#endif |