faults.hh revision 10474
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 322SN/A#ifndef __FAULTS_HH__ 332SN/A#define __FAULTS_HH__ 342SN/A 357678Sgblack@eecs.umich.edu#include "base/types.hh" 368229Snate@binkert.org#include "cpu/static_inst.hh" 372147SN/A#include "sim/stats.hh" 382147SN/A 392680Sktlim@umich.educlass ThreadContext; 402132SN/A 412147SN/Atypedef const char * FaultName; 425999Snate@binkert.orgtypedef Stats::Scalar FaultStat; 432147SN/A 442147SN/A// Each class has it's name statically define in _name, 452147SN/A// and has a virtual function to access it's name. 462147SN/A// The function is necessary because otherwise, all objects 472147SN/A// which are being accessed cast as a FaultBase * (namely 482147SN/A// all faults returned using the Fault type) will use the 492147SN/A// generic FaultBase name. 502147SN/A 5110474Sandreas.hansson@arm.comclass FaultBase 522090SN/A{ 532147SN/A public: 544695Sgblack@eecs.umich.edu virtual FaultName name() const = 0; 5510417Sandreas.hansson@arm.com virtual void invoke(ThreadContext * tc, const StaticInstPtr &inst = 5610417Sandreas.hansson@arm.com StaticInst::nullStaticInstPtr); 572SN/A}; 582SN/A 592612SN/Aclass UnimpFault : public FaultBase 602612SN/A{ 612612SN/A private: 622612SN/A std::string panicStr; 632612SN/A public: 642612SN/A UnimpFault(std::string _str) 652612SN/A : panicStr(_str) 662612SN/A { } 672612SN/A 684695Sgblack@eecs.umich.edu FaultName name() const {return "Unimplemented simulator feature";} 6910417Sandreas.hansson@arm.com void invoke(ThreadContext * tc, const StaticInstPtr &inst = 7010417Sandreas.hansson@arm.com StaticInst::nullStaticInstPtr); 712612SN/A}; 722612SN/A 738545Ssaidi@eecs.umich.educlass ReExec : public FaultBase 748545Ssaidi@eecs.umich.edu{ 758545Ssaidi@eecs.umich.edu public: 768545Ssaidi@eecs.umich.edu virtual FaultName name() const { return "Re-execution fault";} 778545Ssaidi@eecs.umich.edu ReExec() {} 7810417Sandreas.hansson@arm.com void invoke(ThreadContext *tc, const StaticInstPtr &inst = 7910417Sandreas.hansson@arm.com StaticInst::nullStaticInstPtr); 808545Ssaidi@eecs.umich.edu}; 818545Ssaidi@eecs.umich.edu 825004Sgblack@eecs.umich.educlass GenericPageTableFault : public FaultBase 834183Sgblack@eecs.umich.edu{ 844183Sgblack@eecs.umich.edu private: 854183Sgblack@eecs.umich.edu Addr vaddr; 864183Sgblack@eecs.umich.edu public: 875004Sgblack@eecs.umich.edu FaultName name() const {return "Generic page table fault";} 885004Sgblack@eecs.umich.edu GenericPageTableFault(Addr va) : vaddr(va) {} 8910417Sandreas.hansson@arm.com void invoke(ThreadContext * tc, const StaticInstPtr &inst = 9010417Sandreas.hansson@arm.com StaticInst::nullStaticInstPtr); 915004Sgblack@eecs.umich.edu}; 925004Sgblack@eecs.umich.edu 935004Sgblack@eecs.umich.educlass GenericAlignmentFault : public FaultBase 945004Sgblack@eecs.umich.edu{ 955004Sgblack@eecs.umich.edu private: 965004Sgblack@eecs.umich.edu Addr vaddr; 975004Sgblack@eecs.umich.edu public: 985004Sgblack@eecs.umich.edu FaultName name() const {return "Generic alignment fault";} 995004Sgblack@eecs.umich.edu GenericAlignmentFault(Addr va) : vaddr(va) {} 10010417Sandreas.hansson@arm.com void invoke(ThreadContext * tc, const StaticInstPtr &inst = 10110417Sandreas.hansson@arm.com StaticInst::nullStaticInstPtr); 1024183Sgblack@eecs.umich.edu}; 1034183Sgblack@eecs.umich.edu 1042SN/A#endif // __FAULTS_HH__ 105