faults.cc revision 4434:2ea7b6e0b78f
14997Sgblack@eecs.umich.edu/* 24997Sgblack@eecs.umich.edu * Copyright (c) 2003-2005 The Regents of The University of Michigan 34997Sgblack@eecs.umich.edu * All rights reserved. 44997Sgblack@eecs.umich.edu * 54997Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 64997Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 74997Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 84997Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 94997Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 104997Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 114997Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 124997Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 134997Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 144997Sgblack@eecs.umich.edu * this software without specific prior written permission. 154997Sgblack@eecs.umich.edu * 164997Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 174997Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 184997Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 194997Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 204997Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 214997Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 224997Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 234997Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 244997Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 254997Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 264997Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 274997Sgblack@eecs.umich.edu * 284997Sgblack@eecs.umich.edu * Authors: Nathan Binkert 294997Sgblack@eecs.umich.edu * Gabe Black 304997Sgblack@eecs.umich.edu */ 314997Sgblack@eecs.umich.edu 324997Sgblack@eecs.umich.edu#include "arch/isa_traits.hh" 334997Sgblack@eecs.umich.edu#include "base/misc.hh" 344997Sgblack@eecs.umich.edu#include "cpu/thread_context.hh" 354997Sgblack@eecs.umich.edu#include "cpu/base.hh" 364997Sgblack@eecs.umich.edu#include "sim/faults.hh" 374997Sgblack@eecs.umich.edu#include "sim/process.hh" 384997Sgblack@eecs.umich.edu#include "mem/page_table.hh" 394997Sgblack@eecs.umich.edu 404997Sgblack@eecs.umich.edu#if !FULL_SYSTEM 414997Sgblack@eecs.umich.eduvoid FaultBase::invoke(ThreadContext * tc) 424997Sgblack@eecs.umich.edu{ 434997Sgblack@eecs.umich.edu fatal("fault (%s) detected @ PC %p", name(), tc->readPC()); 444997Sgblack@eecs.umich.edu} 454997Sgblack@eecs.umich.edu#else 464997Sgblack@eecs.umich.eduvoid FaultBase::invoke(ThreadContext * tc) 474997Sgblack@eecs.umich.edu{ 484997Sgblack@eecs.umich.edu DPRINTF(Fault, "Fault %s at PC: %#x\n", name(), tc->readPC()); 494997Sgblack@eecs.umich.edu tc->getCpuPtr()->recordEvent(csprintf("Fault %s", name())); 504997Sgblack@eecs.umich.edu 514997Sgblack@eecs.umich.edu assert(!tc->misspeculating()); 524997Sgblack@eecs.umich.edu} 534997Sgblack@eecs.umich.edu#endif 544997Sgblack@eecs.umich.edu 554997Sgblack@eecs.umich.eduvoid UnimpFault::invoke(ThreadContext * tc) 565236Sgblack@eecs.umich.edu{ 574997Sgblack@eecs.umich.edu panic("Unimpfault: %s\n", panicStr.c_str()); 585237Sgblack@eecs.umich.edu} 595245Sgblack@eecs.umich.edu#if !FULL_SYSTEM 605628Sgblack@eecs.umich.eduvoid PageTableFault::invoke(ThreadContext *tc) 615236Sgblack@eecs.umich.edu{ 625245Sgblack@eecs.umich.edu Process *p = tc->getProcessPtr(); 635245Sgblack@eecs.umich.edu 645245Sgblack@eecs.umich.edu if (!p->checkAndAllocNextPage(vaddr)) 655610Snate@binkert.org panic("Page table fault when accessing virtual address %#x\n", vaddr); 665245Sgblack@eecs.umich.edu 675245Sgblack@eecs.umich.edu} 685245Sgblack@eecs.umich.edu#endif 695628Sgblack@eecs.umich.edu