110037SARM gem5 Developers/* 210037SARM gem5 Developers * Copyright (c) 2010-2013 ARM Limited 310037SARM gem5 Developers * All rights reserved 410037SARM gem5 Developers * 510037SARM gem5 Developers * The license below extends only to copyright in the software and shall 610037SARM gem5 Developers * not be construed as granting a license to any other intellectual 710037SARM gem5 Developers * property including but not limited to intellectual property relating 810037SARM gem5 Developers * to a hardware implementation of the functionality of the software 910037SARM gem5 Developers * licensed hereunder. You may use the software subject to the license 1010037SARM gem5 Developers * terms below provided that you ensure that this notice is replicated 1110037SARM gem5 Developers * unmodified and in its entirety in all distributions of the software, 1210037SARM gem5 Developers * modified or unmodified, in source code or in binary form. 1310037SARM gem5 Developers * 1410037SARM gem5 Developers * Redistribution and use in source and binary forms, with or without 1510037SARM gem5 Developers * modification, are permitted provided that the following conditions are 1610037SARM gem5 Developers * met: redistributions of source code must retain the above copyright 1710037SARM gem5 Developers * notice, this list of conditions and the following disclaimer; 1810037SARM gem5 Developers * redistributions in binary form must reproduce the above copyright 1910037SARM gem5 Developers * notice, this list of conditions and the following disclaimer in the 2010037SARM gem5 Developers * documentation and/or other materials provided with the distribution; 2110037SARM gem5 Developers * neither the name of the copyright holders nor the names of its 2210037SARM gem5 Developers * contributors may be used to endorse or promote products derived from 2310037SARM gem5 Developers * this software without specific prior written permission. 2410037SARM gem5 Developers * 2510037SARM gem5 Developers * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2610037SARM gem5 Developers * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2710037SARM gem5 Developers * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2810037SARM gem5 Developers * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2910037SARM gem5 Developers * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 3010037SARM gem5 Developers * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 3110037SARM gem5 Developers * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 3210037SARM gem5 Developers * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 3310037SARM gem5 Developers * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 3410037SARM gem5 Developers * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 3510037SARM gem5 Developers * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3610037SARM gem5 Developers * 3710037SARM gem5 Developers * Authors: Ali Saidi 3810037SARM gem5 Developers * Giacomo Gabrielli 3910037SARM gem5 Developers */ 4010037SARM gem5 Developers 4110037SARM gem5 Developers#ifndef __ARCH_ARM_STAGE2_LOOKUP_HH__ 4210037SARM gem5 Developers#define __ARCH_ARM_STAGE2_LOOKUP_HH__ 4310037SARM gem5 Developers 4410037SARM gem5 Developers#include <list> 4510037SARM gem5 Developers 4610037SARM gem5 Developers#include "arch/arm/system.hh" 4710037SARM gem5 Developers#include "arch/arm/table_walker.hh" 4810037SARM gem5 Developers#include "arch/arm/tlb.hh" 4910037SARM gem5 Developers#include "mem/request.hh" 5010037SARM gem5 Developers 5110037SARM gem5 Developersclass ThreadContext; 5210037SARM gem5 Developers 5310037SARM gem5 Developersnamespace ArmISA { 5410037SARM gem5 Developersclass Translation; 5510037SARM gem5 Developersclass TLB; 5610037SARM gem5 Developers 5710037SARM gem5 Developers 5810037SARM gem5 Developersclass Stage2LookUp : public BaseTLB::Translation 5910037SARM gem5 Developers{ 6010037SARM gem5 Developers private: 6110037SARM gem5 Developers TLB *stage1Tlb; 6210037SARM gem5 Developers TLB *stage2Tlb; 6310037SARM gem5 Developers TlbEntry stage1Te; 6410037SARM gem5 Developers RequestPtr s1Req; 6510037SARM gem5 Developers TLB::Translation *transState; 6610037SARM gem5 Developers BaseTLB::Mode mode; 6710037SARM gem5 Developers bool timing; 6810037SARM gem5 Developers bool functional; 6910037SARM gem5 Developers TLB::ArmTranslationType tranType; 7010037SARM gem5 Developers TlbEntry *stage2Te; 7112749Sgiacomo.travaglini@arm.com RequestPtr req; 7210037SARM gem5 Developers Fault fault; 7310037SARM gem5 Developers bool complete; 7410037SARM gem5 Developers bool selfDelete; 7510037SARM gem5 Developers 7610037SARM gem5 Developers public: 7712749Sgiacomo.travaglini@arm.com Stage2LookUp(TLB *s1Tlb, TLB *s2Tlb, TlbEntry s1Te, const RequestPtr &_req, 7810037SARM gem5 Developers TLB::Translation *_transState, BaseTLB::Mode _mode, bool _timing, 7910037SARM gem5 Developers bool _functional, TLB::ArmTranslationType _tranType) : 8010037SARM gem5 Developers stage1Tlb(s1Tlb), stage2Tlb(s2Tlb), stage1Te(s1Te), s1Req(_req), 8110037SARM gem5 Developers transState(_transState), mode(_mode), timing(_timing), 8210537Sandreas.hansson@arm.com functional(_functional), tranType(_tranType), stage2Te(nullptr), 8310537Sandreas.hansson@arm.com fault(NoFault), complete(false), selfDelete(false) 8410037SARM gem5 Developers { 8512749Sgiacomo.travaglini@arm.com req = std::make_shared<Request>(); 8612749Sgiacomo.travaglini@arm.com req->setVirt(0, s1Te.pAddr(s1Req->getVaddr()), s1Req->getSize(), 8712749Sgiacomo.travaglini@arm.com s1Req->getFlags(), s1Req->masterId(), 0); 8810037SARM gem5 Developers } 8910037SARM gem5 Developers 9010037SARM gem5 Developers Fault getTe(ThreadContext *tc, TlbEntry *destTe); 9110037SARM gem5 Developers 9212749Sgiacomo.travaglini@arm.com void mergeTe(const RequestPtr &req, BaseTLB::Mode mode); 9310037SARM gem5 Developers 9410037SARM gem5 Developers void setSelfDelete() { selfDelete = true; } 9510037SARM gem5 Developers 9610037SARM gem5 Developers bool isComplete() const { return complete; } 9710037SARM gem5 Developers 9810037SARM gem5 Developers void markDelayed() {} 9910037SARM gem5 Developers 10012749Sgiacomo.travaglini@arm.com void finish(const Fault &fault, const RequestPtr &req, ThreadContext *tc, 10110037SARM gem5 Developers BaseTLB::Mode mode); 10210037SARM gem5 Developers}; 10310037SARM gem5 Developers 10410037SARM gem5 Developers 10510037SARM gem5 Developers} // namespace ArmISA 10610037SARM gem5 Developers 10710037SARM gem5 Developers#endif //__ARCH_ARM_STAGE2_LOOKUP_HH__ 10810037SARM gem5 Developers 109