faults.cc revision 11581
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 292665Ssaidi@eecs.umich.edu * Gabe Black 302SN/A */ 312SN/A 324183Sgblack@eecs.umich.edu#include "arch/isa_traits.hh" 332439SN/A#include "base/misc.hh" 348229Snate@binkert.org#include "cpu/base.hh" 352680Sktlim@umich.edu#include "cpu/thread_context.hh" 368232Snate@binkert.org#include "debug/Fault.hh" 378229Snate@binkert.org#include "mem/page_table.hh" 384183Sgblack@eecs.umich.edu#include "sim/faults.hh" 398784Sgblack@eecs.umich.edu#include "sim/full_system.hh" 404183Sgblack@eecs.umich.edu#include "sim/process.hh" 412SN/A 4210417Sandreas.hansson@arm.comvoid FaultBase::invoke(ThreadContext * tc, const StaticInstPtr &inst) 432201SN/A{ 448784Sgblack@eecs.umich.edu if (FullSystem) { 458589Sgblack@eecs.umich.edu DPRINTF(Fault, "Fault %s at PC: %s\n", name(), tc->pcState()); 468589Sgblack@eecs.umich.edu } else { 478589Sgblack@eecs.umich.edu panic("fault (%s) detected @ PC %s", name(), tc->pcState()); 488589Sgblack@eecs.umich.edu } 492201SN/A} 502612SN/A 5110417Sandreas.hansson@arm.comvoid UnimpFault::invoke(ThreadContext * tc, const StaticInstPtr &inst) 522612SN/A{ 536815SLisa.Hsu@amd.com panic("Unimpfault: %s\n", panicStr.c_str()); 542612SN/A} 555004Sgblack@eecs.umich.edu 5610417Sandreas.hansson@arm.comvoid ReExec::invoke(ThreadContext *tc, const StaticInstPtr &inst) 578545Ssaidi@eecs.umich.edu{ 588545Ssaidi@eecs.umich.edu tc->pcState(tc->pcState()); 598545Ssaidi@eecs.umich.edu} 608545Ssaidi@eecs.umich.edu 6110417Sandreas.hansson@arm.comvoid GenericPageTableFault::invoke(ThreadContext *tc, const StaticInstPtr &inst) 624183Sgblack@eecs.umich.edu{ 638589Sgblack@eecs.umich.edu bool handled = false; 648784Sgblack@eecs.umich.edu if (!FullSystem) { 658784Sgblack@eecs.umich.edu Process *p = tc->getProcessPtr(); 668784Sgblack@eecs.umich.edu handled = p->fixupStackFault(vaddr); 678784Sgblack@eecs.umich.edu } 688589Sgblack@eecs.umich.edu if (!handled) 694183Sgblack@eecs.umich.edu panic("Page table fault when accessing virtual address %#x\n", vaddr); 704434Ssaidi@eecs.umich.edu 714183Sgblack@eecs.umich.edu} 725004Sgblack@eecs.umich.edu 7310417Sandreas.hansson@arm.comvoid GenericAlignmentFault::invoke(ThreadContext *tc, const StaticInstPtr &inst) 745004Sgblack@eecs.umich.edu{ 755004Sgblack@eecs.umich.edu panic("Alignment fault when accessing virtual address %#x\n", vaddr); 765004Sgblack@eecs.umich.edu} 77