faults.cc revision 6048
12SN/A/* 21762SN/A * Copyright (c) 2003-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 292SN/A * Gabe Black 302SN/A */ 312439SN/A 322984Sgblack@eecs.umich.edu#include "arch/isa_traits.hh" 33146SN/A#include "base/misc.hh" 34146SN/A#include "cpu/thread_context.hh" 35146SN/A#include "cpu/base.hh" 36146SN/A#include "sim/faults.hh" 37146SN/A#include "sim/process.hh" 38146SN/A#include "mem/page_table.hh" 391717SN/A 40146SN/A#if !FULL_SYSTEM 411717SN/Avoid FaultBase::invoke(ThreadContext * tc) 42146SN/A{ 431977SN/A fatal("fault (%s) detected @ PC %p", name(), tc->readPC()); 442623SN/A} 452683Sktlim@umich.edu#else 461717SN/Avoid FaultBase::invoke(ThreadContext * tc) 47146SN/A{ 482683Sktlim@umich.edu DPRINTF(Fault, "Fault %s at PC: %#x\n", name(), tc->readPC()); 493348Sbinkertn@umich.edu tc->getCpuPtr()->recordEvent(csprintf("Fault %s", name())); 502036SN/A 51146SN/A assert(!tc->misspeculating()); 5256SN/A} 5356SN/A#endif 5456SN/A 55695SN/Avoid UnimpFault::invoke(ThreadContext * tc) 562901Ssaidi@eecs.umich.edu{ 572SN/A fatal("Unimpfault: %s\n", panicStr.c_str()); 581858SN/A} 593565Sgblack@eecs.umich.edu 603565Sgblack@eecs.umich.edu#if !FULL_SYSTEM 612171SN/Avoid GenericPageTableFault::invoke(ThreadContext *tc) 622170SN/A{ 633562Sgblack@eecs.umich.edu Process *p = tc->getProcessPtr(); 64146SN/A 652462SN/A if (!p->checkAndAllocNextPage(vaddr)) 66146SN/A panic("Page table fault when accessing virtual address %#x\n", vaddr); 672SN/A 682SN/A} 692449SN/A 701355SN/Avoid GenericAlignmentFault::invoke(ThreadContext *tc) 712623SN/A{ 724495Sacolyte@umich.edu panic("Alignment fault when accessing virtual address %#x\n", vaddr); 73224SN/A} 741858SN/A#endif 752683Sktlim@umich.edu