pseudo_inst.cc revision 11793
1298SN/A/* 211270Sandreas.sandberg@arm.com * Copyright (c) 2010-2012, 2015 ARM Limited 38142SAli.Saidi@ARM.com * All rights reserved 48142SAli.Saidi@ARM.com * 58142SAli.Saidi@ARM.com * The license below extends only to copyright in the software and shall 68142SAli.Saidi@ARM.com * not be construed as granting a license to any other intellectual 78142SAli.Saidi@ARM.com * property including but not limited to intellectual property relating 88142SAli.Saidi@ARM.com * to a hardware implementation of the functionality of the software 98142SAli.Saidi@ARM.com * licensed hereunder. You may use the software subject to the license 108142SAli.Saidi@ARM.com * terms below provided that you ensure that this notice is replicated 118142SAli.Saidi@ARM.com * unmodified and in its entirety in all distributions of the software, 128142SAli.Saidi@ARM.com * modified or unmodified, in source code or in binary form. 138142SAli.Saidi@ARM.com * 148580Ssteve.reinhardt@amd.com * Copyright (c) 2011 Advanced Micro Devices, Inc. 152188SN/A * Copyright (c) 2003-2006 The Regents of The University of Michigan 16298SN/A * All rights reserved. 17298SN/A * 18298SN/A * Redistribution and use in source and binary forms, with or without 19298SN/A * modification, are permitted provided that the following conditions are 20298SN/A * met: redistributions of source code must retain the above copyright 21298SN/A * notice, this list of conditions and the following disclaimer; 22298SN/A * redistributions in binary form must reproduce the above copyright 23298SN/A * notice, this list of conditions and the following disclaimer in the 24298SN/A * documentation and/or other materials provided with the distribution; 25298SN/A * neither the name of the copyright holders nor the names of its 26298SN/A * contributors may be used to endorse or promote products derived from 27298SN/A * this software without specific prior written permission. 28298SN/A * 29298SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 30298SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 31298SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 32298SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 33298SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 34298SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 35298SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 36298SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 37298SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 38298SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 39298SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 402665Ssaidi@eecs.umich.edu * 412665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 42298SN/A */ 43298SN/A 4411793Sbrandon.potter@amd.com#include "sim/pseudo_inst.hh" 4511793Sbrandon.potter@amd.com 46954SN/A#include <fcntl.h> 47956SN/A#include <unistd.h> 48956SN/A 498229Snate@binkert.org#include <cerrno> 504078Sbinkertn@umich.edu#include <fstream> 51299SN/A#include <string> 529659SAndreas.Sandberg@ARM.com#include <vector> 53299SN/A 548777Sgblack@eecs.umich.edu#include "arch/kernel_stats.hh" 5511793Sbrandon.potter@amd.com#include "arch/pseudo_inst.hh" 569659SAndreas.Sandberg@ARM.com#include "arch/utility.hh" 572170SN/A#include "arch/vtophys.hh" 585882Snate@binkert.org#include "base/debug.hh" 598734Sdam.sunwoo@arm.com#include "base/output.hh" 606658Snate@binkert.org#include "config/the_isa.hh" 611717SN/A#include "cpu/base.hh" 628229Snate@binkert.org#include "cpu/quiesce_event.hh" 632680Sktlim@umich.edu#include "cpu/thread_context.hh" 648232Snate@binkert.org#include "debug/Loader.hh" 659733Sandreas@sandberg.pp.se#include "debug/PseudoInst.hh" 668232Snate@binkert.org#include "debug/Quiesce.hh" 678232Snate@binkert.org#include "debug/WorkItems.hh" 6811290Sgabor.dozsa@arm.com#include "dev/net/dist_iface.hh" 695529Snate@binkert.org#include "params/BaseCPU.hh" 708784Sgblack@eecs.umich.edu#include "sim/full_system.hh" 7111290Sgabor.dozsa@arm.com#include "sim/initparam_keys.hh" 7210553Salexandru.dutu@amd.com#include "sim/process.hh" 73298SN/A#include "sim/serialize.hh" 745606Snate@binkert.org#include "sim/sim_events.hh" 75298SN/A#include "sim/sim_exit.hh" 76695SN/A#include "sim/stat_control.hh" 77695SN/A#include "sim/stats.hh" 78954SN/A#include "sim/system.hh" 792080SN/A#include "sim/vptr.hh" 80298SN/A 81299SN/Ausing namespace std; 821052SN/A 83729SN/Ausing namespace Stats; 842107SN/Ausing namespace TheISA; 85298SN/A 865504Snate@binkert.orgnamespace PseudoInst { 875504Snate@binkert.org 888784Sgblack@eecs.umich.edustatic inline void 898784Sgblack@eecs.umich.edupanicFsOnlyPseudoInst(const char *name) 908784Sgblack@eecs.umich.edu{ 918784Sgblack@eecs.umich.edu panic("Pseudo inst \"%s\" is only available in Full System mode."); 928784Sgblack@eecs.umich.edu} 935780Ssteve.reinhardt@amd.com 949659SAndreas.Sandberg@ARM.comuint64_t 959659SAndreas.Sandberg@ARM.compseudoInst(ThreadContext *tc, uint8_t func, uint8_t subfunc) 969659SAndreas.Sandberg@ARM.com{ 979659SAndreas.Sandberg@ARM.com uint64_t args[4]; 989659SAndreas.Sandberg@ARM.com 999733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::pseudoInst(%i, %i)\n", func, subfunc); 1009733Sandreas@sandberg.pp.se 1019659SAndreas.Sandberg@ARM.com // We need to do this in a slightly convoluted way since 1029659SAndreas.Sandberg@ARM.com // getArgument() might have side-effects on arg_num. We could have 1039659SAndreas.Sandberg@ARM.com // used the Argument class, but due to the possible side effects 1049659SAndreas.Sandberg@ARM.com // from getArgument, it'd most likely break. 1059659SAndreas.Sandberg@ARM.com int arg_num(0); 1069879Sandreas@sandberg.pp.se for (int i = 0; i < sizeof(args) / sizeof(*args); ++i) { 1079879Sandreas@sandberg.pp.se args[arg_num] = getArgument(tc, arg_num, sizeof(uint64_t), false); 1089879Sandreas@sandberg.pp.se ++arg_num; 1099879Sandreas@sandberg.pp.se } 1109659SAndreas.Sandberg@ARM.com 1119659SAndreas.Sandberg@ARM.com switch (func) { 1129659SAndreas.Sandberg@ARM.com case 0x00: // arm_func 1139659SAndreas.Sandberg@ARM.com arm(tc); 1149659SAndreas.Sandberg@ARM.com break; 1159659SAndreas.Sandberg@ARM.com 1169659SAndreas.Sandberg@ARM.com case 0x01: // quiesce_func 1179659SAndreas.Sandberg@ARM.com quiesce(tc); 1189659SAndreas.Sandberg@ARM.com break; 1199659SAndreas.Sandberg@ARM.com 1209659SAndreas.Sandberg@ARM.com case 0x02: // quiescens_func 1219659SAndreas.Sandberg@ARM.com quiesceSkip(tc); 1229659SAndreas.Sandberg@ARM.com break; 1239659SAndreas.Sandberg@ARM.com 1249659SAndreas.Sandberg@ARM.com case 0x03: // quiescecycle_func 1259659SAndreas.Sandberg@ARM.com quiesceNs(tc, args[0]); 1269659SAndreas.Sandberg@ARM.com break; 1279659SAndreas.Sandberg@ARM.com 1289659SAndreas.Sandberg@ARM.com case 0x04: // quiescetime_func 1299659SAndreas.Sandberg@ARM.com return quiesceTime(tc); 1309659SAndreas.Sandberg@ARM.com 1319659SAndreas.Sandberg@ARM.com case 0x07: // rpns_func 1329659SAndreas.Sandberg@ARM.com return rpns(tc); 1339659SAndreas.Sandberg@ARM.com 1349659SAndreas.Sandberg@ARM.com case 0x09: // wakecpu_func 1359659SAndreas.Sandberg@ARM.com wakeCPU(tc, args[0]); 1369659SAndreas.Sandberg@ARM.com break; 1379659SAndreas.Sandberg@ARM.com 1389659SAndreas.Sandberg@ARM.com case 0x21: // exit_func 1399659SAndreas.Sandberg@ARM.com m5exit(tc, args[0]); 1409659SAndreas.Sandberg@ARM.com break; 1419659SAndreas.Sandberg@ARM.com 1429681Sandreas@sandberg.pp.se case 0x22: 1439681Sandreas@sandberg.pp.se m5fail(tc, args[0], args[1]); 1449681Sandreas@sandberg.pp.se break; 1459681Sandreas@sandberg.pp.se 1469659SAndreas.Sandberg@ARM.com case 0x30: // initparam_func 14711289Sgabor.dozsa@arm.com return initParam(tc, args[0], args[1]); 1489659SAndreas.Sandberg@ARM.com 1499659SAndreas.Sandberg@ARM.com case 0x31: // loadsymbol_func 1509659SAndreas.Sandberg@ARM.com loadsymbol(tc); 1519659SAndreas.Sandberg@ARM.com break; 1529659SAndreas.Sandberg@ARM.com 1539659SAndreas.Sandberg@ARM.com case 0x40: // resetstats_func 1549659SAndreas.Sandberg@ARM.com resetstats(tc, args[0], args[1]); 1559659SAndreas.Sandberg@ARM.com break; 1569659SAndreas.Sandberg@ARM.com 1579659SAndreas.Sandberg@ARM.com case 0x41: // dumpstats_func 1589659SAndreas.Sandberg@ARM.com dumpstats(tc, args[0], args[1]); 1599659SAndreas.Sandberg@ARM.com break; 1609659SAndreas.Sandberg@ARM.com 1619659SAndreas.Sandberg@ARM.com case 0x42: // dumprststats_func 1629659SAndreas.Sandberg@ARM.com dumpresetstats(tc, args[0], args[1]); 1639659SAndreas.Sandberg@ARM.com break; 1649659SAndreas.Sandberg@ARM.com 1659659SAndreas.Sandberg@ARM.com case 0x43: // ckpt_func 1669659SAndreas.Sandberg@ARM.com m5checkpoint(tc, args[0], args[1]); 1679659SAndreas.Sandberg@ARM.com break; 1689659SAndreas.Sandberg@ARM.com 1699659SAndreas.Sandberg@ARM.com case 0x4f: // writefile_func 1709659SAndreas.Sandberg@ARM.com return writefile(tc, args[0], args[1], args[2], args[3]); 1719659SAndreas.Sandberg@ARM.com 1729659SAndreas.Sandberg@ARM.com case 0x50: // readfile_func 1739659SAndreas.Sandberg@ARM.com return readfile(tc, args[0], args[1], args[2]); 1749659SAndreas.Sandberg@ARM.com 1759659SAndreas.Sandberg@ARM.com case 0x51: // debugbreak_func 1769659SAndreas.Sandberg@ARM.com debugbreak(tc); 1779659SAndreas.Sandberg@ARM.com break; 1789659SAndreas.Sandberg@ARM.com 1799659SAndreas.Sandberg@ARM.com case 0x52: // switchcpu_func 1809659SAndreas.Sandberg@ARM.com switchcpu(tc); 1819659SAndreas.Sandberg@ARM.com break; 1829659SAndreas.Sandberg@ARM.com 1839659SAndreas.Sandberg@ARM.com case 0x53: // addsymbol_func 1849659SAndreas.Sandberg@ARM.com addsymbol(tc, args[0], args[1]); 1859659SAndreas.Sandberg@ARM.com break; 1869659SAndreas.Sandberg@ARM.com 1879659SAndreas.Sandberg@ARM.com case 0x54: // panic_func 1889659SAndreas.Sandberg@ARM.com panic("M5 panic instruction called at %s\n", tc->pcState()); 1899659SAndreas.Sandberg@ARM.com 1909659SAndreas.Sandberg@ARM.com case 0x5a: // work_begin_func 1919659SAndreas.Sandberg@ARM.com workbegin(tc, args[0], args[1]); 1929659SAndreas.Sandberg@ARM.com break; 1939659SAndreas.Sandberg@ARM.com 1949659SAndreas.Sandberg@ARM.com case 0x5b: // work_end_func 1959659SAndreas.Sandberg@ARM.com workend(tc, args[0], args[1]); 1969659SAndreas.Sandberg@ARM.com break; 1979659SAndreas.Sandberg@ARM.com 1989659SAndreas.Sandberg@ARM.com case 0x55: // annotate_func 1999659SAndreas.Sandberg@ARM.com case 0x56: // reserved2_func 2009659SAndreas.Sandberg@ARM.com case 0x57: // reserved3_func 2019659SAndreas.Sandberg@ARM.com case 0x58: // reserved4_func 2029659SAndreas.Sandberg@ARM.com case 0x59: // reserved5_func 2039659SAndreas.Sandberg@ARM.com warn("Unimplemented m5 op (0x%x)\n", func); 2049659SAndreas.Sandberg@ARM.com break; 2059659SAndreas.Sandberg@ARM.com 20610553Salexandru.dutu@amd.com /* SE mode functions */ 20710553Salexandru.dutu@amd.com case 0x60: // syscall_func 20810553Salexandru.dutu@amd.com m5Syscall(tc); 20910553Salexandru.dutu@amd.com break; 21010553Salexandru.dutu@amd.com 21110553Salexandru.dutu@amd.com case 0x61: // pagefault_func 21210553Salexandru.dutu@amd.com m5PageFault(tc); 21310553Salexandru.dutu@amd.com break; 21410553Salexandru.dutu@amd.com 21511703Smichael.lebeane@amd.com /* dist-gem5 functions */ 21611703Smichael.lebeane@amd.com case 0x62: // distToggleSync_func 21711703Smichael.lebeane@amd.com togglesync(tc); 21811703Smichael.lebeane@amd.com break; 21911703Smichael.lebeane@amd.com 2209659SAndreas.Sandberg@ARM.com default: 2219659SAndreas.Sandberg@ARM.com warn("Unhandled m5 op: 0x%x\n", func); 2229659SAndreas.Sandberg@ARM.com break; 2239659SAndreas.Sandberg@ARM.com } 2249659SAndreas.Sandberg@ARM.com 2259659SAndreas.Sandberg@ARM.com return 0; 2269659SAndreas.Sandberg@ARM.com} 2279659SAndreas.Sandberg@ARM.com 2285504Snate@binkert.orgvoid 2295504Snate@binkert.orgarm(ThreadContext *tc) 230298SN/A{ 2319733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::arm()\n"); 2328806Sgblack@eecs.umich.edu if (!FullSystem) 2338784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("arm"); 2348806Sgblack@eecs.umich.edu 2355504Snate@binkert.org if (tc->getKernelStats()) 2365504Snate@binkert.org tc->getKernelStats()->arm(); 2375504Snate@binkert.org} 2385504Snate@binkert.org 2395504Snate@binkert.orgvoid 2405504Snate@binkert.orgquiesce(ThreadContext *tc) 2415504Snate@binkert.org{ 2429733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesce()\n"); 24311627Smichael.lebeane@amd.com tc->quiesce(); 2445504Snate@binkert.org} 2455504Snate@binkert.org 2465504Snate@binkert.orgvoid 2478142SAli.Saidi@ARM.comquiesceSkip(ThreadContext *tc) 2488142SAli.Saidi@ARM.com{ 2499733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesceSkip()\n"); 25011627Smichael.lebeane@amd.com tc->quiesceTick(tc->getCpuPtr()->nextCycle() + 1); 2518142SAli.Saidi@ARM.com} 2528142SAli.Saidi@ARM.com 2538142SAli.Saidi@ARM.comvoid 2545504Snate@binkert.orgquiesceNs(ThreadContext *tc, uint64_t ns) 2555504Snate@binkert.org{ 2569733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesceNs(%i)\n", ns); 25711627Smichael.lebeane@amd.com tc->quiesceTick(curTick() + SimClock::Int::ns * ns); 2585504Snate@binkert.org} 2595504Snate@binkert.org 2605504Snate@binkert.orgvoid 2615504Snate@binkert.orgquiesceCycles(ThreadContext *tc, uint64_t cycles) 2625504Snate@binkert.org{ 2639733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesceCycles(%i)\n", cycles); 26411627Smichael.lebeane@amd.com tc->quiesceTick(tc->getCpuPtr()->clockEdge(Cycles(cycles))); 2655504Snate@binkert.org} 2665504Snate@binkert.org 2675504Snate@binkert.orguint64_t 2685504Snate@binkert.orgquiesceTime(ThreadContext *tc) 2695504Snate@binkert.org{ 2709733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesceTime()\n"); 2718806Sgblack@eecs.umich.edu 2727064Snate@binkert.org return (tc->readLastActivate() - tc->readLastSuspend()) / 2737064Snate@binkert.org SimClock::Int::ns; 2745504Snate@binkert.org} 2755504Snate@binkert.org 2765741Snate@binkert.orguint64_t 2775741Snate@binkert.orgrpns(ThreadContext *tc) 2785741Snate@binkert.org{ 2799733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::rpns()\n"); 2807823Ssteve.reinhardt@amd.com return curTick() / SimClock::Int::ns; 2815741Snate@binkert.org} 2825741Snate@binkert.org 2835504Snate@binkert.orgvoid 2845808Snate@binkert.orgwakeCPU(ThreadContext *tc, uint64_t cpuid) 2855808Snate@binkert.org{ 2869733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::wakeCPU(%i)\n", cpuid); 2875808Snate@binkert.org System *sys = tc->getSystemPtr(); 2885808Snate@binkert.org ThreadContext *other_tc = sys->threadContexts[cpuid]; 2895808Snate@binkert.org if (other_tc->status() == ThreadContext::Suspended) 2905808Snate@binkert.org other_tc->activate(); 2915808Snate@binkert.org} 2925808Snate@binkert.org 2935808Snate@binkert.orgvoid 2945504Snate@binkert.orgm5exit(ThreadContext *tc, Tick delay) 2955504Snate@binkert.org{ 2969733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5exit(%i)\n", delay); 29711290Sgabor.dozsa@arm.com if (DistIface::readyToExit(delay)) { 29811290Sgabor.dozsa@arm.com Tick when = curTick() + delay * SimClock::Int::ns; 29911290Sgabor.dozsa@arm.com exitSimLoop("m5_exit instruction encountered", 0, when, 0, true); 30011290Sgabor.dozsa@arm.com } 3015504Snate@binkert.org} 3025504Snate@binkert.org 3035504Snate@binkert.orgvoid 3049457Svilanova@ac.upc.edum5fail(ThreadContext *tc, Tick delay, uint64_t code) 3059457Svilanova@ac.upc.edu{ 3069733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5fail(%i, %i)\n", delay, code); 3079457Svilanova@ac.upc.edu Tick when = curTick() + delay * SimClock::Int::ns; 3089952Sdam.sunwoo@arm.com exitSimLoop("m5_fail instruction encountered", code, when, 0, true); 3099457Svilanova@ac.upc.edu} 3109457Svilanova@ac.upc.edu 3119457Svilanova@ac.upc.eduvoid 3125504Snate@binkert.orgloadsymbol(ThreadContext *tc) 3135504Snate@binkert.org{ 3149733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::loadsymbol()\n"); 3158806Sgblack@eecs.umich.edu if (!FullSystem) 3168806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("loadsymbol"); 3178784Sgblack@eecs.umich.edu 3185504Snate@binkert.org const string &filename = tc->getCpuPtr()->system->params()->symbolfile; 3195504Snate@binkert.org if (filename.empty()) { 3205504Snate@binkert.org return; 321711SN/A } 322711SN/A 3235504Snate@binkert.org std::string buffer; 3245504Snate@binkert.org ifstream file(filename.c_str()); 325310SN/A 3265504Snate@binkert.org if (!file) 3275504Snate@binkert.org fatal("file error: Can't open symbol table file %s\n", filename); 3283373Sstever@eecs.umich.edu 3295504Snate@binkert.org while (!file.eof()) { 3305504Snate@binkert.org getline(file, buffer); 3315504Snate@binkert.org 3325504Snate@binkert.org if (buffer.empty()) 3335504Snate@binkert.org continue; 3345504Snate@binkert.org 3356227Snate@binkert.org string::size_type idx = buffer.find(' '); 3365504Snate@binkert.org if (idx == string::npos) 3375504Snate@binkert.org continue; 3385504Snate@binkert.org 3395504Snate@binkert.org string address = "0x" + buffer.substr(0, idx); 3405504Snate@binkert.org eat_white(address); 3415504Snate@binkert.org if (address.empty()) 3425504Snate@binkert.org continue; 3435504Snate@binkert.org 3445504Snate@binkert.org // Skip over letter and space 3455504Snate@binkert.org string symbol = buffer.substr(idx + 3); 3465504Snate@binkert.org eat_white(symbol); 3475504Snate@binkert.org if (symbol.empty()) 3485504Snate@binkert.org continue; 3495504Snate@binkert.org 3505504Snate@binkert.org Addr addr; 3515504Snate@binkert.org if (!to_number(address, addr)) 3525504Snate@binkert.org continue; 3535504Snate@binkert.org 3545504Snate@binkert.org if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol)) 3555504Snate@binkert.org continue; 3565504Snate@binkert.org 3575504Snate@binkert.org 3585504Snate@binkert.org DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 3595504Snate@binkert.org } 3605504Snate@binkert.org file.close(); 3615504Snate@binkert.org} 3625504Snate@binkert.org 3635504Snate@binkert.orgvoid 3645780Ssteve.reinhardt@amd.comaddsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr) 3655780Ssteve.reinhardt@amd.com{ 3669733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::addsymbol(0x%x, 0x%x)\n", 3679733Sandreas@sandberg.pp.se addr, symbolAddr); 3688806Sgblack@eecs.umich.edu if (!FullSystem) 3698806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("addSymbol"); 3708666SPrakash.Ramrakhyani@arm.com 3715780Ssteve.reinhardt@amd.com char symb[100]; 3725780Ssteve.reinhardt@amd.com CopyStringOut(tc, symb, symbolAddr, 100); 3735780Ssteve.reinhardt@amd.com std::string symbol(symb); 3745780Ssteve.reinhardt@amd.com 3755780Ssteve.reinhardt@amd.com DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 3765780Ssteve.reinhardt@amd.com 3775780Ssteve.reinhardt@amd.com tc->getSystemPtr()->kernelSymtab->insert(addr,symbol); 3785952Ssaidi@eecs.umich.edu debugSymbolTable->insert(addr,symbol); 3795780Ssteve.reinhardt@amd.com} 3805780Ssteve.reinhardt@amd.com 3818555Sgblack@eecs.umich.eduuint64_t 38211289Sgabor.dozsa@arm.cominitParam(ThreadContext *tc, uint64_t key_str1, uint64_t key_str2) 3838555Sgblack@eecs.umich.edu{ 38411289Sgabor.dozsa@arm.com DPRINTF(PseudoInst, "PseudoInst::initParam() key:%s%s\n", (char *)&key_str1, 38511289Sgabor.dozsa@arm.com (char *)&key_str2); 3868806Sgblack@eecs.umich.edu if (!FullSystem) { 3878784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("initParam"); 3888784Sgblack@eecs.umich.edu return 0; 3898784Sgblack@eecs.umich.edu } 3908806Sgblack@eecs.umich.edu 39111289Sgabor.dozsa@arm.com // The key parameter string is passed in via two 64-bit registers. We copy 39211289Sgabor.dozsa@arm.com // out the characters from the 64-bit integer variables here and concatenate 39311289Sgabor.dozsa@arm.com // them in the key_str character buffer 39411289Sgabor.dozsa@arm.com const int len = 2 * sizeof(uint64_t) + 1; 39511289Sgabor.dozsa@arm.com char key_str[len]; 39611289Sgabor.dozsa@arm.com memset(key_str, '\0', len); 39711289Sgabor.dozsa@arm.com if (key_str1 == 0) { 39811289Sgabor.dozsa@arm.com assert(key_str2 == 0); 39911289Sgabor.dozsa@arm.com } else { 40011289Sgabor.dozsa@arm.com strncpy(key_str, (char *)&key_str1, sizeof(uint64_t)); 40111289Sgabor.dozsa@arm.com } 40211289Sgabor.dozsa@arm.com 40311289Sgabor.dozsa@arm.com if (strlen(key_str) == sizeof(uint64_t)) { 40411289Sgabor.dozsa@arm.com strncpy(key_str + sizeof(uint64_t), (char *)&key_str2, 40511289Sgabor.dozsa@arm.com sizeof(uint64_t)); 40611289Sgabor.dozsa@arm.com } else { 40711289Sgabor.dozsa@arm.com assert(key_str2 == 0); 40811289Sgabor.dozsa@arm.com } 40911289Sgabor.dozsa@arm.com 41011289Sgabor.dozsa@arm.com // Compare the key parameter with the known values to select the return 41111289Sgabor.dozsa@arm.com // value 41211289Sgabor.dozsa@arm.com uint64_t val; 41311290Sgabor.dozsa@arm.com if (strcmp(key_str, InitParamKey::DEFAULT) == 0) { 41411289Sgabor.dozsa@arm.com val = tc->getCpuPtr()->system->init_param; 41511290Sgabor.dozsa@arm.com } else if (strcmp(key_str, InitParamKey::DIST_RANK) == 0) { 41611290Sgabor.dozsa@arm.com val = DistIface::rankParam(); 41711290Sgabor.dozsa@arm.com } else if (strcmp(key_str, InitParamKey::DIST_SIZE) == 0) { 41811290Sgabor.dozsa@arm.com val = DistIface::sizeParam(); 41911289Sgabor.dozsa@arm.com } else { 42011290Sgabor.dozsa@arm.com panic("Unknown key for initparam pseudo instruction:\"%s\"", key_str); 42111289Sgabor.dozsa@arm.com } 42211289Sgabor.dozsa@arm.com return val; 4238555Sgblack@eecs.umich.edu} 4248555Sgblack@eecs.umich.edu 4255780Ssteve.reinhardt@amd.com 4265780Ssteve.reinhardt@amd.comvoid 4275504Snate@binkert.orgresetstats(ThreadContext *tc, Tick delay, Tick period) 4285504Snate@binkert.org{ 4299733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::resetstats(%i, %i)\n", delay, period); 4305529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4315504Snate@binkert.org return; 4325504Snate@binkert.org 4335504Snate@binkert.org 4347823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4357064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4365504Snate@binkert.org 4377822Ssteve.reinhardt@amd.com Stats::schedStatEvent(false, true, when, repeat); 4385504Snate@binkert.org} 4395504Snate@binkert.org 4405504Snate@binkert.orgvoid 4415504Snate@binkert.orgdumpstats(ThreadContext *tc, Tick delay, Tick period) 4425504Snate@binkert.org{ 4439733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::dumpstats(%i, %i)\n", delay, period); 4445529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4455504Snate@binkert.org return; 4465504Snate@binkert.org 4475504Snate@binkert.org 4487823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4497064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4505504Snate@binkert.org 4517822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, false, when, repeat); 4525504Snate@binkert.org} 4535504Snate@binkert.org 4545504Snate@binkert.orgvoid 4555504Snate@binkert.orgdumpresetstats(ThreadContext *tc, Tick delay, Tick period) 4565504Snate@binkert.org{ 4579733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::dumpresetstats(%i, %i)\n", delay, period); 4585529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4595504Snate@binkert.org return; 4605504Snate@binkert.org 4615504Snate@binkert.org 4627823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4637064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4645504Snate@binkert.org 4657822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, true, when, repeat); 4665504Snate@binkert.org} 4675504Snate@binkert.org 4685504Snate@binkert.orgvoid 4695504Snate@binkert.orgm5checkpoint(ThreadContext *tc, Tick delay, Tick period) 4705504Snate@binkert.org{ 4719733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5checkpoint(%i, %i)\n", delay, period); 4725529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_checkpoint_insts) 4735504Snate@binkert.org return; 4745504Snate@binkert.org 47511290Sgabor.dozsa@arm.com if (DistIface::readyToCkpt(delay, period)) { 47611290Sgabor.dozsa@arm.com Tick when = curTick() + delay * SimClock::Int::ns; 47711290Sgabor.dozsa@arm.com Tick repeat = period * SimClock::Int::ns; 47811290Sgabor.dozsa@arm.com exitSimLoop("checkpoint", 0, when, repeat); 47911290Sgabor.dozsa@arm.com } 4805504Snate@binkert.org} 4815504Snate@binkert.org 4825504Snate@binkert.orguint64_t 4835504Snate@binkert.orgreadfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset) 4845504Snate@binkert.org{ 4859733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::readfile(0x%x, 0x%x, 0x%x)\n", 4869733Sandreas@sandberg.pp.se vaddr, len, offset); 4878806Sgblack@eecs.umich.edu if (!FullSystem) { 4888784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("readfile"); 4898784Sgblack@eecs.umich.edu return 0; 4908666SPrakash.Ramrakhyani@arm.com } 4918806Sgblack@eecs.umich.edu 4925504Snate@binkert.org const string &file = tc->getSystemPtr()->params()->readfile; 4935504Snate@binkert.org if (file.empty()) { 4945504Snate@binkert.org return ULL(0); 495310SN/A } 496299SN/A 4975504Snate@binkert.org uint64_t result = 0; 4982188SN/A 4995504Snate@binkert.org int fd = ::open(file.c_str(), O_RDONLY, 0); 5005504Snate@binkert.org if (fd < 0) 5015504Snate@binkert.org panic("could not open file %s\n", file); 5022235SN/A 5035504Snate@binkert.org if (::lseek(fd, offset, SEEK_SET) < 0) 5045504Snate@binkert.org panic("could not seek: %s", strerror(errno)); 5053368Sstever@eecs.umich.edu 5065504Snate@binkert.org char *buf = new char[len]; 5075504Snate@binkert.org char *p = buf; 5085504Snate@binkert.org while (len > 0) { 5095504Snate@binkert.org int bytes = ::read(fd, p, len); 5105504Snate@binkert.org if (bytes <= 0) 5115504Snate@binkert.org break; 5123368Sstever@eecs.umich.edu 5135504Snate@binkert.org p += bytes; 5145504Snate@binkert.org result += bytes; 5155504Snate@binkert.org len -= bytes; 5162188SN/A } 5172188SN/A 5185504Snate@binkert.org close(fd); 5195504Snate@binkert.org CopyIn(tc, vaddr, buf, result); 5205504Snate@binkert.org delete [] buf; 5215504Snate@binkert.org return result; 5225504Snate@binkert.org} 5232188SN/A 5248734Sdam.sunwoo@arm.comuint64_t 5258734Sdam.sunwoo@arm.comwritefile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset, 5268734Sdam.sunwoo@arm.com Addr filename_addr) 5278734Sdam.sunwoo@arm.com{ 5289733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::writefile(0x%x, 0x%x, 0x%x, 0x%x)\n", 5299733Sandreas@sandberg.pp.se vaddr, len, offset, filename_addr); 5308734Sdam.sunwoo@arm.com 5318734Sdam.sunwoo@arm.com // copy out target filename 5328734Sdam.sunwoo@arm.com char fn[100]; 5338734Sdam.sunwoo@arm.com std::string filename; 5348734Sdam.sunwoo@arm.com CopyStringOut(tc, fn, filename_addr, 100); 5358734Sdam.sunwoo@arm.com filename = std::string(fn); 5368734Sdam.sunwoo@arm.com 53711359Sandreas@sandberg.pp.se OutputStream *out; 5388734Sdam.sunwoo@arm.com if (offset == 0) { 5398734Sdam.sunwoo@arm.com // create a new file (truncate) 54011359Sandreas@sandberg.pp.se out = simout.create(filename, true, true); 5418734Sdam.sunwoo@arm.com } else { 5428734Sdam.sunwoo@arm.com // do not truncate file if offset is non-zero 5438734Sdam.sunwoo@arm.com // (ios::in flag is required as well to keep the existing data 5448734Sdam.sunwoo@arm.com // intact, otherwise existing data will be zeroed out.) 54511359Sandreas@sandberg.pp.se out = simout.open(filename, ios::in | ios::out | ios::binary, true); 5468734Sdam.sunwoo@arm.com } 54711359Sandreas@sandberg.pp.se 54811359Sandreas@sandberg.pp.se ostream *os(out->stream()); 5498734Sdam.sunwoo@arm.com if (!os) 5508734Sdam.sunwoo@arm.com panic("could not open file %s\n", filename); 5518734Sdam.sunwoo@arm.com 5528734Sdam.sunwoo@arm.com // seek to offset 5538734Sdam.sunwoo@arm.com os->seekp(offset); 5548734Sdam.sunwoo@arm.com 5558734Sdam.sunwoo@arm.com // copy out data and write to file 5568734Sdam.sunwoo@arm.com char *buf = new char[len]; 5578734Sdam.sunwoo@arm.com CopyOut(tc, buf, vaddr, len); 5588734Sdam.sunwoo@arm.com os->write(buf, len); 5598734Sdam.sunwoo@arm.com if (os->fail() || os->bad()) 5608734Sdam.sunwoo@arm.com panic("Error while doing writefile!\n"); 5618734Sdam.sunwoo@arm.com 56211359Sandreas@sandberg.pp.se simout.close(out); 5638734Sdam.sunwoo@arm.com 5648734Sdam.sunwoo@arm.com delete [] buf; 5658734Sdam.sunwoo@arm.com 5668734Sdam.sunwoo@arm.com return len; 5678734Sdam.sunwoo@arm.com} 5688734Sdam.sunwoo@arm.com 5695504Snate@binkert.orgvoid 5705504Snate@binkert.orgdebugbreak(ThreadContext *tc) 5715504Snate@binkert.org{ 5729733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::debugbreak()\n"); 5738231Snate@binkert.org Debug::breakpoint(); 5745504Snate@binkert.org} 5752235SN/A 5765504Snate@binkert.orgvoid 5775504Snate@binkert.orgswitchcpu(ThreadContext *tc) 5785504Snate@binkert.org{ 5799733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::switchcpu()\n"); 5805504Snate@binkert.org exitSimLoop("switchcpu"); 5815504Snate@binkert.org} 5823368Sstever@eecs.umich.edu 58311703Smichael.lebeane@amd.comvoid 58411703Smichael.lebeane@amd.comtogglesync(ThreadContext *tc) 58511703Smichael.lebeane@amd.com{ 58611703Smichael.lebeane@amd.com DPRINTF(PseudoInst, "PseudoInst::togglesync()\n"); 58711703Smichael.lebeane@amd.com DistIface::toggleSync(tc); 58811703Smichael.lebeane@amd.com} 58911703Smichael.lebeane@amd.com 5907914SBrad.Beckmann@amd.com// 59111320Ssteve.reinhardt@amd.com// This function is executed when annotated work items begin. Depending on 5927914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 5937914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item begins. 5947914SBrad.Beckmann@amd.com// 5957914SBrad.Beckmann@amd.comvoid 5967914SBrad.Beckmann@amd.comworkbegin(ThreadContext *tc, uint64_t workid, uint64_t threadid) 5977914SBrad.Beckmann@amd.com{ 5989733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::workbegin(%i, %i)\n", workid, threadid); 5997914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 6008580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 60111270Sandreas.sandberg@arm.com 60211270Sandreas.sandberg@arm.com if (params->exit_on_work_items) { 60311270Sandreas.sandberg@arm.com exitSimLoop("workbegin", static_cast<int>(workid)); 60411270Sandreas.sandberg@arm.com return; 60511270Sandreas.sandberg@arm.com } 60611270Sandreas.sandberg@arm.com 60711270Sandreas.sandberg@arm.com DPRINTF(WorkItems, "Work Begin workid: %d, threadid %d\n", workid, 60811270Sandreas.sandberg@arm.com threadid); 60911270Sandreas.sandberg@arm.com tc->getCpuPtr()->workItemBegin(); 6108666SPrakash.Ramrakhyani@arm.com sys->workItemBegin(threadid, workid); 6117914SBrad.Beckmann@amd.com 6127914SBrad.Beckmann@amd.com // 6137914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 6147914SBrad.Beckmann@amd.com // identified 6157914SBrad.Beckmann@amd.com // 6168580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 6177914SBrad.Beckmann@amd.com 6187914SBrad.Beckmann@amd.com uint64_t systemWorkBeginCount = sys->incWorkItemsBegin(); 6197914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 6207914SBrad.Beckmann@amd.com 6218580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 6228580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 6237914SBrad.Beckmann@amd.com // 6247914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 6257914SBrad.Beckmann@amd.com // 6268580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6277914SBrad.Beckmann@amd.com } 6287914SBrad.Beckmann@amd.com 6298580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_ckpt_count) { 6307914SBrad.Beckmann@amd.com // 6317914SBrad.Beckmann@amd.com // Note: the string specified as the cause of the exit event must 6327914SBrad.Beckmann@amd.com // exactly equal "checkpoint" inorder to create a checkpoint 6337914SBrad.Beckmann@amd.com // 6348580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6357914SBrad.Beckmann@amd.com } 6367914SBrad.Beckmann@amd.com 6378580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_exit_count) { 6387914SBrad.Beckmann@amd.com // 6397914SBrad.Beckmann@amd.com // If a certain number of work items started, exit simulation 6407914SBrad.Beckmann@amd.com // 6418580Ssteve.reinhardt@amd.com exitSimLoop("work started count reach"); 6427914SBrad.Beckmann@amd.com } 6437914SBrad.Beckmann@amd.com 6448580Ssteve.reinhardt@amd.com if (cpuId == params->work_begin_cpu_id_exit) { 6457914SBrad.Beckmann@amd.com // 6468580Ssteve.reinhardt@amd.com // If work started on the cpu id specified, exit simulation 6477914SBrad.Beckmann@amd.com // 6488580Ssteve.reinhardt@amd.com exitSimLoop("work started on specific cpu"); 6497914SBrad.Beckmann@amd.com } 6507914SBrad.Beckmann@amd.com } 6517914SBrad.Beckmann@amd.com} 6527914SBrad.Beckmann@amd.com 6537914SBrad.Beckmann@amd.com// 65411320Ssteve.reinhardt@amd.com// This function is executed when annotated work items end. Depending on 6557914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 6567914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item ends. 6577914SBrad.Beckmann@amd.com// 6587914SBrad.Beckmann@amd.comvoid 6597914SBrad.Beckmann@amd.comworkend(ThreadContext *tc, uint64_t workid, uint64_t threadid) 6607914SBrad.Beckmann@amd.com{ 6619733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::workend(%i, %i)\n", workid, threadid); 6627914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 6638580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 66411270Sandreas.sandberg@arm.com 66511270Sandreas.sandberg@arm.com if (params->exit_on_work_items) { 66611270Sandreas.sandberg@arm.com exitSimLoop("workend", static_cast<int>(workid)); 66711270Sandreas.sandberg@arm.com return; 66811270Sandreas.sandberg@arm.com } 6697914SBrad.Beckmann@amd.com 6707914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work End workid: %d, threadid %d\n", workid, threadid); 67111270Sandreas.sandberg@arm.com tc->getCpuPtr()->workItemEnd(); 67211270Sandreas.sandberg@arm.com sys->workItemEnd(threadid, workid); 6737914SBrad.Beckmann@amd.com 6747914SBrad.Beckmann@amd.com // 6757914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 6767914SBrad.Beckmann@amd.com // identified 6777914SBrad.Beckmann@amd.com // 6788580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 6797914SBrad.Beckmann@amd.com 6807914SBrad.Beckmann@amd.com uint64_t systemWorkEndCount = sys->incWorkItemsEnd(); 6817914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 6827914SBrad.Beckmann@amd.com 6838580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 6848580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 6857914SBrad.Beckmann@amd.com // 6867914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 6877914SBrad.Beckmann@amd.com // 6888580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6897914SBrad.Beckmann@amd.com } 6907914SBrad.Beckmann@amd.com 6918580Ssteve.reinhardt@amd.com if (params->work_end_ckpt_count != 0 && 6928580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_ckpt_count) { 6937914SBrad.Beckmann@amd.com // 6947914SBrad.Beckmann@amd.com // If total work items completed equals checkpoint count, create 6957914SBrad.Beckmann@amd.com // checkpoint 6967914SBrad.Beckmann@amd.com // 6978580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6987914SBrad.Beckmann@amd.com } 6997914SBrad.Beckmann@amd.com 7008580Ssteve.reinhardt@amd.com if (params->work_end_exit_count != 0 && 7018580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_exit_count) { 7027914SBrad.Beckmann@amd.com // 7037914SBrad.Beckmann@amd.com // If total work items completed equals exit count, exit simulation 7047914SBrad.Beckmann@amd.com // 7058580Ssteve.reinhardt@amd.com exitSimLoop("work items exit count reached"); 7067914SBrad.Beckmann@amd.com } 7077914SBrad.Beckmann@amd.com } 7087914SBrad.Beckmann@amd.com} 7097914SBrad.Beckmann@amd.com 7107811Ssteve.reinhardt@amd.com} // namespace PseudoInst 711