faults.cc revision 6019
16019Shines@cs.fsu.edu/* 27093Sgblack@eecs.umich.edu * Copyright (c) 2003-2005 The Regents of The University of Michigan 37093Sgblack@eecs.umich.edu * All rights reserved. 47093Sgblack@eecs.umich.edu * 57093Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 67093Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 77093Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 87093Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 97093Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 107093Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 117093Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 127093Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 137093Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 146019Shines@cs.fsu.edu * this software without specific prior written permission. 156019Shines@cs.fsu.edu * 166019Shines@cs.fsu.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176019Shines@cs.fsu.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186019Shines@cs.fsu.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196019Shines@cs.fsu.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206019Shines@cs.fsu.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216019Shines@cs.fsu.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226019Shines@cs.fsu.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236019Shines@cs.fsu.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246019Shines@cs.fsu.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256019Shines@cs.fsu.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266019Shines@cs.fsu.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276019Shines@cs.fsu.edu * 286019Shines@cs.fsu.edu * Authors: Nathan Binkert 296019Shines@cs.fsu.edu * Gabe Black 306019Shines@cs.fsu.edu */ 316019Shines@cs.fsu.edu 326019Shines@cs.fsu.edu#include "arch/isa_traits.hh" 336019Shines@cs.fsu.edu#include "base/misc.hh" 346019Shines@cs.fsu.edu#include "cpu/thread_context.hh" 356019Shines@cs.fsu.edu#include "cpu/base.hh" 366019Shines@cs.fsu.edu#include "sim/faults.hh" 376019Shines@cs.fsu.edu#include "sim/process.hh" 386019Shines@cs.fsu.edu#include "mem/page_table.hh" 396019Shines@cs.fsu.edu 406019Shines@cs.fsu.edu#if !FULL_SYSTEM 416735Sgblack@eecs.umich.eduvoid FaultBase::invoke(ThreadContext * tc) 426735Sgblack@eecs.umich.edu{ 436019Shines@cs.fsu.edu fatal("fault (%s) detected @ PC %p", name(), tc->readPC()); 446019Shines@cs.fsu.edu} 456019Shines@cs.fsu.edu#else 466019Shines@cs.fsu.eduvoid FaultBase::invoke(ThreadContext * tc) 476019Shines@cs.fsu.edu{ 486019Shines@cs.fsu.edu DPRINTF(Fault, "Fault %s at PC: %#x\n", name(), tc->readPC()); 496019Shines@cs.fsu.edu tc->getCpuPtr()->recordEvent(csprintf("Fault %s", name())); 506019Shines@cs.fsu.edu 516019Shines@cs.fsu.edu assert(!tc->misspeculating()); 526019Shines@cs.fsu.edu} 537362Sgblack@eecs.umich.edu#endif 546735Sgblack@eecs.umich.edu 556019Shines@cs.fsu.eduvoid UnimpFault::invoke(ThreadContext * tc) 567362Sgblack@eecs.umich.edu{ 576735Sgblack@eecs.umich.edu fatal("Unimpfault: %s\n", panicStr.c_str()); 586019Shines@cs.fsu.edu} 597362Sgblack@eecs.umich.edu 606735Sgblack@eecs.umich.edu#if !FULL_SYSTEM 616019Shines@cs.fsu.eduvoid GenericPageTableFault::invoke(ThreadContext *tc) 627362Sgblack@eecs.umich.edu{ 636735Sgblack@eecs.umich.edu Process *p = tc->getProcessPtr(); 646019Shines@cs.fsu.edu 657362Sgblack@eecs.umich.edu if (!p->checkAndAllocNextPage(vaddr)) 666735Sgblack@eecs.umich.edu panic("Page table fault when accessing virtual address %#x\n", vaddr); 676019Shines@cs.fsu.edu 687362Sgblack@eecs.umich.edu} 696735Sgblack@eecs.umich.edu 706019Shines@cs.fsu.eduvoid GenericAlignmentFault::invoke(ThreadContext *tc) 717362Sgblack@eecs.umich.edu{ 726735Sgblack@eecs.umich.edu panic("Alignment fault when accessing virtual address %#x\n", vaddr); 736019Shines@cs.fsu.edu} 746735Sgblack@eecs.umich.edu#endif 757362Sgblack@eecs.umich.edu