isa.hh revision 7427
16313Sgblack@eecs.umich.edu/* 27093Sgblack@eecs.umich.edu * Copyright (c) 2010 ARM Limited 37093Sgblack@eecs.umich.edu * All rights reserved 47093Sgblack@eecs.umich.edu * 57093Sgblack@eecs.umich.edu * The license below extends only to copyright in the software and shall 67093Sgblack@eecs.umich.edu * not be construed as granting a license to any other intellectual 77093Sgblack@eecs.umich.edu * property including but not limited to intellectual property relating 87093Sgblack@eecs.umich.edu * to a hardware implementation of the functionality of the software 97093Sgblack@eecs.umich.edu * licensed hereunder. You may use the software subject to the license 107093Sgblack@eecs.umich.edu * terms below provided that you ensure that this notice is replicated 117093Sgblack@eecs.umich.edu * unmodified and in its entirety in all distributions of the software, 127093Sgblack@eecs.umich.edu * modified or unmodified, in source code or in binary form. 137093Sgblack@eecs.umich.edu * 146313Sgblack@eecs.umich.edu * Copyright (c) 2009 The Regents of The University of Michigan 156313Sgblack@eecs.umich.edu * All rights reserved. 166313Sgblack@eecs.umich.edu * 176313Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 186313Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 196313Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 206313Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 216313Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 226313Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 236313Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 246313Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 256313Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 266313Sgblack@eecs.umich.edu * this software without specific prior written permission. 276313Sgblack@eecs.umich.edu * 286313Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 296313Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 306313Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 316313Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 326313Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 336313Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 346313Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 356313Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 366313Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 376313Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 386313Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 396313Sgblack@eecs.umich.edu * 406313Sgblack@eecs.umich.edu * Authors: Gabe Black 416313Sgblack@eecs.umich.edu */ 426313Sgblack@eecs.umich.edu 436313Sgblack@eecs.umich.edu#ifndef __ARCH_ARM_ISA_HH__ 447404SAli.Saidi@ARM.com#define __ARCH_ARM_ISA_HH__ 456313Sgblack@eecs.umich.edu 466333Sgblack@eecs.umich.edu#include "arch/arm/registers.hh" 477404SAli.Saidi@ARM.com#include "arch/arm/tlb.hh" 486313Sgblack@eecs.umich.edu#include "arch/arm/types.hh" 496313Sgblack@eecs.umich.edu 506333Sgblack@eecs.umich.educlass ThreadContext; 516313Sgblack@eecs.umich.educlass Checkpoint; 526313Sgblack@eecs.umich.educlass EventManager; 536313Sgblack@eecs.umich.edu 546313Sgblack@eecs.umich.edunamespace ArmISA 556313Sgblack@eecs.umich.edu{ 566313Sgblack@eecs.umich.edu class ISA 576313Sgblack@eecs.umich.edu { 586313Sgblack@eecs.umich.edu protected: 596333Sgblack@eecs.umich.edu MiscReg miscRegs[NumMiscRegs]; 606718Sgblack@eecs.umich.edu const IntRegIndex *intRegMap; 616718Sgblack@eecs.umich.edu 626718Sgblack@eecs.umich.edu void 636718Sgblack@eecs.umich.edu updateRegMap(CPSR cpsr) 646718Sgblack@eecs.umich.edu { 656718Sgblack@eecs.umich.edu switch (cpsr.mode) { 666718Sgblack@eecs.umich.edu case MODE_USER: 676718Sgblack@eecs.umich.edu case MODE_SYSTEM: 686718Sgblack@eecs.umich.edu intRegMap = IntRegUsrMap; 696718Sgblack@eecs.umich.edu break; 706718Sgblack@eecs.umich.edu case MODE_FIQ: 716718Sgblack@eecs.umich.edu intRegMap = IntRegFiqMap; 726718Sgblack@eecs.umich.edu break; 736718Sgblack@eecs.umich.edu case MODE_IRQ: 746718Sgblack@eecs.umich.edu intRegMap = IntRegIrqMap; 756718Sgblack@eecs.umich.edu break; 766718Sgblack@eecs.umich.edu case MODE_SVC: 776718Sgblack@eecs.umich.edu intRegMap = IntRegSvcMap; 786718Sgblack@eecs.umich.edu break; 796723Sgblack@eecs.umich.edu case MODE_MON: 806723Sgblack@eecs.umich.edu intRegMap = IntRegMonMap; 816723Sgblack@eecs.umich.edu break; 826718Sgblack@eecs.umich.edu case MODE_ABORT: 836718Sgblack@eecs.umich.edu intRegMap = IntRegAbtMap; 846718Sgblack@eecs.umich.edu break; 856718Sgblack@eecs.umich.edu case MODE_UNDEFINED: 866718Sgblack@eecs.umich.edu intRegMap = IntRegUndMap; 876718Sgblack@eecs.umich.edu break; 886718Sgblack@eecs.umich.edu default: 896718Sgblack@eecs.umich.edu panic("Unrecognized mode setting in CPSR.\n"); 906718Sgblack@eecs.umich.edu } 916718Sgblack@eecs.umich.edu } 926313Sgblack@eecs.umich.edu 936313Sgblack@eecs.umich.edu public: 947427Sgblack@eecs.umich.edu void clear(); 956313Sgblack@eecs.umich.edu 967405SAli.Saidi@ARM.com MiscReg readMiscRegNoEffect(int misc_reg); 977405SAli.Saidi@ARM.com MiscReg readMiscReg(int misc_reg, ThreadContext *tc); 987405SAli.Saidi@ARM.com void setMiscRegNoEffect(int misc_reg, const MiscReg &val); 997405SAli.Saidi@ARM.com void setMiscReg(int misc_reg, const MiscReg &val, ThreadContext *tc); 1006313Sgblack@eecs.umich.edu 1016313Sgblack@eecs.umich.edu int 1026313Sgblack@eecs.umich.edu flattenIntIndex(int reg) 1036313Sgblack@eecs.umich.edu { 1046718Sgblack@eecs.umich.edu assert(reg >= 0); 1056718Sgblack@eecs.umich.edu if (reg < NUM_ARCH_INTREGS) { 1066718Sgblack@eecs.umich.edu return intRegMap[reg]; 1076726Sgblack@eecs.umich.edu } else if (reg < NUM_INTREGS) { 1086726Sgblack@eecs.umich.edu return reg; 1096718Sgblack@eecs.umich.edu } else { 1107310Sgblack@eecs.umich.edu int mode = reg / intRegsPerMode; 1117310Sgblack@eecs.umich.edu reg = reg % intRegsPerMode; 1127310Sgblack@eecs.umich.edu switch (mode) { 1137310Sgblack@eecs.umich.edu case MODE_USER: 1147310Sgblack@eecs.umich.edu case MODE_SYSTEM: 1157310Sgblack@eecs.umich.edu return INTREG_USR(reg); 1167310Sgblack@eecs.umich.edu case MODE_FIQ: 1177310Sgblack@eecs.umich.edu return INTREG_FIQ(reg); 1187310Sgblack@eecs.umich.edu case MODE_IRQ: 1197310Sgblack@eecs.umich.edu return INTREG_IRQ(reg); 1207310Sgblack@eecs.umich.edu case MODE_SVC: 1217310Sgblack@eecs.umich.edu return INTREG_SVC(reg); 1227310Sgblack@eecs.umich.edu case MODE_MON: 1237310Sgblack@eecs.umich.edu return INTREG_MON(reg); 1247310Sgblack@eecs.umich.edu case MODE_ABORT: 1257310Sgblack@eecs.umich.edu return INTREG_ABT(reg); 1267310Sgblack@eecs.umich.edu case MODE_UNDEFINED: 1277310Sgblack@eecs.umich.edu return INTREG_UND(reg); 1287310Sgblack@eecs.umich.edu default: 1297310Sgblack@eecs.umich.edu panic("Flattening into an unknown mode.\n"); 1307310Sgblack@eecs.umich.edu } 1316718Sgblack@eecs.umich.edu } 1326313Sgblack@eecs.umich.edu } 1336313Sgblack@eecs.umich.edu 1346313Sgblack@eecs.umich.edu int 1356313Sgblack@eecs.umich.edu flattenFloatIndex(int reg) 1366313Sgblack@eecs.umich.edu { 1376313Sgblack@eecs.umich.edu return reg; 1386313Sgblack@eecs.umich.edu } 1396313Sgblack@eecs.umich.edu 1406678Sgblack@eecs.umich.edu void serialize(EventManager *em, std::ostream &os) 1416333Sgblack@eecs.umich.edu {} 1426678Sgblack@eecs.umich.edu void unserialize(EventManager *em, Checkpoint *cp, 1436678Sgblack@eecs.umich.edu const std::string §ion) 1446333Sgblack@eecs.umich.edu {} 1456313Sgblack@eecs.umich.edu 1466313Sgblack@eecs.umich.edu ISA() 1476313Sgblack@eecs.umich.edu { 1487400SAli.Saidi@ARM.com SCTLR sctlr; 1497400SAli.Saidi@ARM.com sctlr = 0; 1507400SAli.Saidi@ARM.com miscRegs[MISCREG_SCTLR_RST] = sctlr; 1517400SAli.Saidi@ARM.com 1526313Sgblack@eecs.umich.edu clear(); 1536313Sgblack@eecs.umich.edu } 1546313Sgblack@eecs.umich.edu }; 1556313Sgblack@eecs.umich.edu} 1566313Sgblack@eecs.umich.edu 1576313Sgblack@eecs.umich.edu#endif 158