faults.cc revision 8229
14876Sstever@eecs.umich.edu/* 23646Srdreslin@umich.edu * Copyright (c) 2003-2005 The Regents of The University of Michigan 33646Srdreslin@umich.edu * All rights reserved. 43646Srdreslin@umich.edu * 53646Srdreslin@umich.edu * Redistribution and use in source and binary forms, with or without 63646Srdreslin@umich.edu * modification, are permitted provided that the following conditions are 73646Srdreslin@umich.edu * met: redistributions of source code must retain the above copyright 83646Srdreslin@umich.edu * notice, this list of conditions and the following disclaimer; 93646Srdreslin@umich.edu * redistributions in binary form must reproduce the above copyright 103646Srdreslin@umich.edu * notice, this list of conditions and the following disclaimer in the 113646Srdreslin@umich.edu * documentation and/or other materials provided with the distribution; 123646Srdreslin@umich.edu * neither the name of the copyright holders nor the names of its 133646Srdreslin@umich.edu * contributors may be used to endorse or promote products derived from 143646Srdreslin@umich.edu * this software without specific prior written permission. 153646Srdreslin@umich.edu * 163646Srdreslin@umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 173646Srdreslin@umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 183646Srdreslin@umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 193646Srdreslin@umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 203646Srdreslin@umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 213646Srdreslin@umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 223646Srdreslin@umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 233646Srdreslin@umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 243646Srdreslin@umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 253646Srdreslin@umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 263646Srdreslin@umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 273646Srdreslin@umich.edu * 283646Srdreslin@umich.edu * Authors: Nathan Binkert 293646Srdreslin@umich.edu * Gabe Black 303646Srdreslin@umich.edu */ 313646Srdreslin@umich.edu 323646Srdreslin@umich.edu#include "arch/isa_traits.hh" 336654Snate@binkert.org#include "base/misc.hh" 346654Snate@binkert.org#include "cpu/base.hh" 356654Snate@binkert.org#include "cpu/thread_context.hh" 366654Snate@binkert.org#include "mem/page_table.hh" 373646Srdreslin@umich.edu#include "sim/faults.hh" 383646Srdreslin@umich.edu#include "sim/process.hh" 396654Snate@binkert.org 403646Srdreslin@umich.edu#if !FULL_SYSTEM 413646Srdreslin@umich.eduvoid FaultBase::invoke(ThreadContext * tc, StaticInstPtr inst) 423646Srdreslin@umich.edu{ 433646Srdreslin@umich.edu panic("fault (%s) detected @ PC %s", name(), tc->pcState()); 443646Srdreslin@umich.edu} 453646Srdreslin@umich.edu#else 463646Srdreslin@umich.eduvoid FaultBase::invoke(ThreadContext * tc, StaticInstPtr inst) 473646Srdreslin@umich.edu{ 483646Srdreslin@umich.edu DPRINTF(Fault, "Fault %s at PC: %s\n", name(), tc->pcState()); 493646Srdreslin@umich.edu assert(!tc->misspeculating()); 503646Srdreslin@umich.edu} 513646Srdreslin@umich.edu#endif 523646Srdreslin@umich.edu 533646Srdreslin@umich.eduvoid UnimpFault::invoke(ThreadContext * tc, StaticInstPtr inst) 543646Srdreslin@umich.edu{ 553646Srdreslin@umich.edu panic("Unimpfault: %s\n", panicStr.c_str()); 563646Srdreslin@umich.edu} 573646Srdreslin@umich.edu 583646Srdreslin@umich.edu#if !FULL_SYSTEM 593646Srdreslin@umich.eduvoid GenericPageTableFault::invoke(ThreadContext *tc, StaticInstPtr inst) 603646Srdreslin@umich.edu{ 613646Srdreslin@umich.edu Process *p = tc->getProcessPtr(); 623646Srdreslin@umich.edu 633646Srdreslin@umich.edu if (!p->checkAndAllocNextPage(vaddr)) 643646Srdreslin@umich.edu panic("Page table fault when accessing virtual address %#x\n", vaddr); 653646Srdreslin@umich.edu 663646Srdreslin@umich.edu} 673646Srdreslin@umich.edu 683646Srdreslin@umich.eduvoid GenericAlignmentFault::invoke(ThreadContext *tc, StaticInstPtr inst) 693646Srdreslin@umich.edu{ 703646Srdreslin@umich.edu panic("Alignment fault when accessing virtual address %#x\n", vaddr); 713646Srdreslin@umich.edu} 723646Srdreslin@umich.edu#endif 733646Srdreslin@umich.edu