faults.cc revision 12334
12735Sktlim@umich.edu/* 22735Sktlim@umich.edu * Copyright (c) 2003-2005 The Regents of The University of Michigan 32735Sktlim@umich.edu * All rights reserved. 42735Sktlim@umich.edu * 52735Sktlim@umich.edu * Redistribution and use in source and binary forms, with or without 62735Sktlim@umich.edu * modification, are permitted provided that the following conditions are 72735Sktlim@umich.edu * met: redistributions of source code must retain the above copyright 82735Sktlim@umich.edu * notice, this list of conditions and the following disclaimer; 92735Sktlim@umich.edu * redistributions in binary form must reproduce the above copyright 102735Sktlim@umich.edu * notice, this list of conditions and the following disclaimer in the 112735Sktlim@umich.edu * documentation and/or other materials provided with the distribution; 122735Sktlim@umich.edu * neither the name of the copyright holders nor the names of its 132735Sktlim@umich.edu * contributors may be used to endorse or promote products derived from 142735Sktlim@umich.edu * this software without specific prior written permission. 152735Sktlim@umich.edu * 162735Sktlim@umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172735Sktlim@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182735Sktlim@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192735Sktlim@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202735Sktlim@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212735Sktlim@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222735Sktlim@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232735Sktlim@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242735Sktlim@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252735Sktlim@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262735Sktlim@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272735Sktlim@umich.edu * 282735Sktlim@umich.edu * Authors: Nathan Binkert 292735Sktlim@umich.edu * Gabe Black 302735Sktlim@umich.edu */ 312735Sktlim@umich.edu 322735Sktlim@umich.edu#include "sim/faults.hh" 332735Sktlim@umich.edu 342735Sktlim@umich.edu#include "arch/isa_traits.hh" 352735Sktlim@umich.edu#include "base/logging.hh" 362735Sktlim@umich.edu#include "cpu/base.hh" 372735Sktlim@umich.edu#include "cpu/thread_context.hh" 382735Sktlim@umich.edu#include "debug/Fault.hh" 392735Sktlim@umich.edu#include "mem/page_table.hh" 402735Sktlim@umich.edu#include "sim/full_system.hh" 412735Sktlim@umich.edu#include "sim/process.hh" 422735Sktlim@umich.edu 432735Sktlim@umich.eduvoid FaultBase::invoke(ThreadContext * tc, const StaticInstPtr &inst) 442735Sktlim@umich.edu{ 452735Sktlim@umich.edu if (FullSystem) { 462735Sktlim@umich.edu DPRINTF(Fault, "Fault %s at PC: %s\n", name(), tc->pcState()); 472735Sktlim@umich.edu } else { 482735Sktlim@umich.edu panic("fault (%s) detected @ PC %s", name(), tc->pcState()); 492735Sktlim@umich.edu } 502735Sktlim@umich.edu} 512735Sktlim@umich.edu 522735Sktlim@umich.eduvoid UnimpFault::invoke(ThreadContext * tc, const StaticInstPtr &inst) 532735Sktlim@umich.edu{ 542735Sktlim@umich.edu panic("Unimpfault: %s\n", panicStr.c_str()); 552735Sktlim@umich.edu} 562735Sktlim@umich.edu 572735Sktlim@umich.eduvoid ReExec::invoke(ThreadContext *tc, const StaticInstPtr &inst) 582735Sktlim@umich.edu{ 592735Sktlim@umich.edu tc->pcState(tc->pcState()); 602735Sktlim@umich.edu} 612735Sktlim@umich.edu 622735Sktlim@umich.eduvoid SyscallRetryFault::invoke(ThreadContext *tc, const StaticInstPtr &inst) 632735Sktlim@umich.edu{ 642735Sktlim@umich.edu tc->pcState(tc->pcState()); 652735Sktlim@umich.edu} 662735Sktlim@umich.edu 672735Sktlim@umich.eduvoid GenericPageTableFault::invoke(ThreadContext *tc, const StaticInstPtr &inst) 682735Sktlim@umich.edu{ 692735Sktlim@umich.edu bool handled = false; 702735Sktlim@umich.edu if (!FullSystem) { 712735Sktlim@umich.edu Process *p = tc->getProcessPtr(); 722735Sktlim@umich.edu handled = p->fixupStackFault(vaddr); 732735Sktlim@umich.edu } 742735Sktlim@umich.edu if (!handled) 752735Sktlim@umich.edu panic("Page table fault when accessing virtual address %#x\n", vaddr); 762735Sktlim@umich.edu 772735Sktlim@umich.edu} 782735Sktlim@umich.edu 792735Sktlim@umich.eduvoid GenericAlignmentFault::invoke(ThreadContext *tc, const StaticInstPtr &inst) 802735Sktlim@umich.edu{ 812735Sktlim@umich.edu panic("Alignment fault when accessing virtual address %#x\n", vaddr); 822735Sktlim@umich.edu} 832735Sktlim@umich.edu