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) 1994-2009 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\nkern\arm\ncmonitor.cia
// Kernel crash debugger - NKERN ARM specific portion
//
//
#include <e32cia.h>
#include <kernel/monitor.h>
#include "nk_priv.h"
#include <arm.h>
#ifdef __CPU_HAS_MMU
#define __USE_CP15_FAULT_INFO__
#endif
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
#ifdef __USE_CP15_FAULT_INFO__
#ifdef __CPU_ARM_HAS_SPLIT_FSR
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
asm("mrcne p15, 0, r1, c6, c0, 0"); // r1= DFAR fault address
#else
asm("mrc p15, 0, r1, c6, c0"); // r1= FAR fault address
#endif // __CPU_ARM_HAS_CP15_IFAR
#else
asm("mrc p15, 0, r1, c6, c0"); // r1=fault address
asm("mrc p15, 0, r2, c5, c0"); // r2=fault status
#endif // __CPU_ARM_HAS_SPLIT_FSR
#endif // __USE_CP15_FAULT_INFO__
asm("add sp, sp, #28 "); // restore mode_abt/mode_und stack balance
asm("mov r12, #0xd1 "); // back into mode_fiq
asm("msr cpsr, r12 ");
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 ");
}