diff -r 000000000000 -r a41df078684a kernel/eka/nkernsmp/arm/ncmonitor.cia --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/kernel/eka/nkernsmp/arm/ncmonitor.cia Mon Oct 19 15:55:17 2009 +0100 @@ -0,0 +1,52 @@ +// Copyright (c) 2008-2009 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\nkernsmp\arm\ncmonitor.cia +// Kernel crash debugger - NKERNSMP ARM specific portion +// +// + +#include +#include +#include "nk_priv.h" +#include + +EXPORT_C __NAKED__ void Monitor::HandleException() +// +// Handle an exception while the monitor is running +// + { + asm("mov r3, r1 "); // exception type + asm("ldr r0, [sp, #24] "); // code address + asm("cmp r1, #%a0 " : : "i" ((TInt)EArmExceptionPrefetchAbort)); + asm("mrceq p15, 0, r2, c5, c0, 1 "); // r2=instruction fault status + asm("mrcne p15, 0, r2, c5, c0, 0 "); // r2=data fault status +#ifdef __CPU_ARM_HAS_CP15_IFAR + asm("mrceq p15, 0, r1, c6, c0, 2 "); // r1= IFAR fault address +#else + asm("moveq r1, r0 "); // if no IFAR, must be equal to code address +#endif + asm("mrcne p15, 0, r1, c6, c0, 0 "); // r1= DFAR fault address + asm("add sp, sp, #28 "); // restore mode_abt/mode_und stack balance + __ASM_CLI_MODE(MODE_FIQ); // back into mode_fiq + asm("ldr r12, __TheMonitorPtr "); + asm("ldr r12, [r12] "); + asm("add r12, r12, #%a0" : : "i" _FOFF(Monitor,iExceptionInfo)); + asm("stmia r12, {r0-r3} "); // store exc info + asm("mov r0, #%a0" : : "i" ((TInt)KErrAbort)); + asm("b " CSM_ZN7Monitor5LeaveEi ); + + asm("__TheMonitorPtr: "); + asm(".word TheMonitorPtr "); + } +