pseudo_inst.cc revision 12145
1298SN/A/* 212145Sjose.marinho@arm.com * Copyright (c) 2010-2012, 2015, 2017 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(); 28812145Sjose.marinho@arm.com 28912145Sjose.marinho@arm.com if (sys->numContexts() <= cpuid) { 29012145Sjose.marinho@arm.com warn("PseudoInst::wakeCPU(%i), cpuid greater than number of contexts" 29112145Sjose.marinho@arm.com "(%i)\n",cpuid, sys->numContexts()); 29212145Sjose.marinho@arm.com return; 29312145Sjose.marinho@arm.com } 29412145Sjose.marinho@arm.com 2955808Snate@binkert.org ThreadContext *other_tc = sys->threadContexts[cpuid]; 2965808Snate@binkert.org if (other_tc->status() == ThreadContext::Suspended) 2975808Snate@binkert.org other_tc->activate(); 2985808Snate@binkert.org} 2995808Snate@binkert.org 3005808Snate@binkert.orgvoid 3015504Snate@binkert.orgm5exit(ThreadContext *tc, Tick delay) 3025504Snate@binkert.org{ 3039733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5exit(%i)\n", delay); 30411290Sgabor.dozsa@arm.com if (DistIface::readyToExit(delay)) { 30511290Sgabor.dozsa@arm.com Tick when = curTick() + delay * SimClock::Int::ns; 30611290Sgabor.dozsa@arm.com exitSimLoop("m5_exit instruction encountered", 0, when, 0, true); 30711290Sgabor.dozsa@arm.com } 3085504Snate@binkert.org} 3095504Snate@binkert.org 3105504Snate@binkert.orgvoid 3119457Svilanova@ac.upc.edum5fail(ThreadContext *tc, Tick delay, uint64_t code) 3129457Svilanova@ac.upc.edu{ 3139733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5fail(%i, %i)\n", delay, code); 3149457Svilanova@ac.upc.edu Tick when = curTick() + delay * SimClock::Int::ns; 3159952Sdam.sunwoo@arm.com exitSimLoop("m5_fail instruction encountered", code, when, 0, true); 3169457Svilanova@ac.upc.edu} 3179457Svilanova@ac.upc.edu 3189457Svilanova@ac.upc.eduvoid 3195504Snate@binkert.orgloadsymbol(ThreadContext *tc) 3205504Snate@binkert.org{ 3219733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::loadsymbol()\n"); 3228806Sgblack@eecs.umich.edu if (!FullSystem) 3238806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("loadsymbol"); 3248784Sgblack@eecs.umich.edu 3255504Snate@binkert.org const string &filename = tc->getCpuPtr()->system->params()->symbolfile; 3265504Snate@binkert.org if (filename.empty()) { 3275504Snate@binkert.org return; 328711SN/A } 329711SN/A 3305504Snate@binkert.org std::string buffer; 3315504Snate@binkert.org ifstream file(filename.c_str()); 332310SN/A 3335504Snate@binkert.org if (!file) 3345504Snate@binkert.org fatal("file error: Can't open symbol table file %s\n", filename); 3353373Sstever@eecs.umich.edu 3365504Snate@binkert.org while (!file.eof()) { 3375504Snate@binkert.org getline(file, buffer); 3385504Snate@binkert.org 3395504Snate@binkert.org if (buffer.empty()) 3405504Snate@binkert.org continue; 3415504Snate@binkert.org 3426227Snate@binkert.org string::size_type idx = buffer.find(' '); 3435504Snate@binkert.org if (idx == string::npos) 3445504Snate@binkert.org continue; 3455504Snate@binkert.org 3465504Snate@binkert.org string address = "0x" + buffer.substr(0, idx); 3475504Snate@binkert.org eat_white(address); 3485504Snate@binkert.org if (address.empty()) 3495504Snate@binkert.org continue; 3505504Snate@binkert.org 3515504Snate@binkert.org // Skip over letter and space 3525504Snate@binkert.org string symbol = buffer.substr(idx + 3); 3535504Snate@binkert.org eat_white(symbol); 3545504Snate@binkert.org if (symbol.empty()) 3555504Snate@binkert.org continue; 3565504Snate@binkert.org 3575504Snate@binkert.org Addr addr; 3585504Snate@binkert.org if (!to_number(address, addr)) 3595504Snate@binkert.org continue; 3605504Snate@binkert.org 3615504Snate@binkert.org if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol)) 3625504Snate@binkert.org continue; 3635504Snate@binkert.org 3645504Snate@binkert.org 3655504Snate@binkert.org DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 3665504Snate@binkert.org } 3675504Snate@binkert.org file.close(); 3685504Snate@binkert.org} 3695504Snate@binkert.org 3705504Snate@binkert.orgvoid 3715780Ssteve.reinhardt@amd.comaddsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr) 3725780Ssteve.reinhardt@amd.com{ 3739733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::addsymbol(0x%x, 0x%x)\n", 3749733Sandreas@sandberg.pp.se addr, symbolAddr); 3758806Sgblack@eecs.umich.edu if (!FullSystem) 3768806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("addSymbol"); 3778666SPrakash.Ramrakhyani@arm.com 3785780Ssteve.reinhardt@amd.com char symb[100]; 3795780Ssteve.reinhardt@amd.com CopyStringOut(tc, symb, symbolAddr, 100); 3805780Ssteve.reinhardt@amd.com std::string symbol(symb); 3815780Ssteve.reinhardt@amd.com 3825780Ssteve.reinhardt@amd.com DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 3835780Ssteve.reinhardt@amd.com 3845780Ssteve.reinhardt@amd.com tc->getSystemPtr()->kernelSymtab->insert(addr,symbol); 3855952Ssaidi@eecs.umich.edu debugSymbolTable->insert(addr,symbol); 3865780Ssteve.reinhardt@amd.com} 3875780Ssteve.reinhardt@amd.com 3888555Sgblack@eecs.umich.eduuint64_t 38911289Sgabor.dozsa@arm.cominitParam(ThreadContext *tc, uint64_t key_str1, uint64_t key_str2) 3908555Sgblack@eecs.umich.edu{ 39111289Sgabor.dozsa@arm.com DPRINTF(PseudoInst, "PseudoInst::initParam() key:%s%s\n", (char *)&key_str1, 39211289Sgabor.dozsa@arm.com (char *)&key_str2); 3938806Sgblack@eecs.umich.edu if (!FullSystem) { 3948784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("initParam"); 3958784Sgblack@eecs.umich.edu return 0; 3968784Sgblack@eecs.umich.edu } 3978806Sgblack@eecs.umich.edu 39811289Sgabor.dozsa@arm.com // The key parameter string is passed in via two 64-bit registers. We copy 39911289Sgabor.dozsa@arm.com // out the characters from the 64-bit integer variables here and concatenate 40011289Sgabor.dozsa@arm.com // them in the key_str character buffer 40111289Sgabor.dozsa@arm.com const int len = 2 * sizeof(uint64_t) + 1; 40211289Sgabor.dozsa@arm.com char key_str[len]; 40311289Sgabor.dozsa@arm.com memset(key_str, '\0', len); 40411289Sgabor.dozsa@arm.com if (key_str1 == 0) { 40511289Sgabor.dozsa@arm.com assert(key_str2 == 0); 40611289Sgabor.dozsa@arm.com } else { 40711289Sgabor.dozsa@arm.com strncpy(key_str, (char *)&key_str1, sizeof(uint64_t)); 40811289Sgabor.dozsa@arm.com } 40911289Sgabor.dozsa@arm.com 41011289Sgabor.dozsa@arm.com if (strlen(key_str) == sizeof(uint64_t)) { 41111289Sgabor.dozsa@arm.com strncpy(key_str + sizeof(uint64_t), (char *)&key_str2, 41211289Sgabor.dozsa@arm.com sizeof(uint64_t)); 41311289Sgabor.dozsa@arm.com } else { 41411289Sgabor.dozsa@arm.com assert(key_str2 == 0); 41511289Sgabor.dozsa@arm.com } 41611289Sgabor.dozsa@arm.com 41711289Sgabor.dozsa@arm.com // Compare the key parameter with the known values to select the return 41811289Sgabor.dozsa@arm.com // value 41911289Sgabor.dozsa@arm.com uint64_t val; 42011290Sgabor.dozsa@arm.com if (strcmp(key_str, InitParamKey::DEFAULT) == 0) { 42111289Sgabor.dozsa@arm.com val = tc->getCpuPtr()->system->init_param; 42211290Sgabor.dozsa@arm.com } else if (strcmp(key_str, InitParamKey::DIST_RANK) == 0) { 42311290Sgabor.dozsa@arm.com val = DistIface::rankParam(); 42411290Sgabor.dozsa@arm.com } else if (strcmp(key_str, InitParamKey::DIST_SIZE) == 0) { 42511290Sgabor.dozsa@arm.com val = DistIface::sizeParam(); 42611289Sgabor.dozsa@arm.com } else { 42711290Sgabor.dozsa@arm.com panic("Unknown key for initparam pseudo instruction:\"%s\"", key_str); 42811289Sgabor.dozsa@arm.com } 42911289Sgabor.dozsa@arm.com return val; 4308555Sgblack@eecs.umich.edu} 4318555Sgblack@eecs.umich.edu 4325780Ssteve.reinhardt@amd.com 4335780Ssteve.reinhardt@amd.comvoid 4345504Snate@binkert.orgresetstats(ThreadContext *tc, Tick delay, Tick period) 4355504Snate@binkert.org{ 4369733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::resetstats(%i, %i)\n", delay, period); 4375529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4385504Snate@binkert.org return; 4395504Snate@binkert.org 4405504Snate@binkert.org 4417823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4427064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4435504Snate@binkert.org 4447822Ssteve.reinhardt@amd.com Stats::schedStatEvent(false, true, when, repeat); 4455504Snate@binkert.org} 4465504Snate@binkert.org 4475504Snate@binkert.orgvoid 4485504Snate@binkert.orgdumpstats(ThreadContext *tc, Tick delay, Tick period) 4495504Snate@binkert.org{ 4509733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::dumpstats(%i, %i)\n", delay, period); 4515529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4525504Snate@binkert.org return; 4535504Snate@binkert.org 4545504Snate@binkert.org 4557823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4567064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4575504Snate@binkert.org 4587822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, false, when, repeat); 4595504Snate@binkert.org} 4605504Snate@binkert.org 4615504Snate@binkert.orgvoid 4625504Snate@binkert.orgdumpresetstats(ThreadContext *tc, Tick delay, Tick period) 4635504Snate@binkert.org{ 4649733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::dumpresetstats(%i, %i)\n", delay, period); 4655529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4665504Snate@binkert.org return; 4675504Snate@binkert.org 4685504Snate@binkert.org 4697823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4707064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4715504Snate@binkert.org 4727822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, true, when, repeat); 4735504Snate@binkert.org} 4745504Snate@binkert.org 4755504Snate@binkert.orgvoid 4765504Snate@binkert.orgm5checkpoint(ThreadContext *tc, Tick delay, Tick period) 4775504Snate@binkert.org{ 4789733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5checkpoint(%i, %i)\n", delay, period); 4795529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_checkpoint_insts) 4805504Snate@binkert.org return; 4815504Snate@binkert.org 48211290Sgabor.dozsa@arm.com if (DistIface::readyToCkpt(delay, period)) { 48311290Sgabor.dozsa@arm.com Tick when = curTick() + delay * SimClock::Int::ns; 48411290Sgabor.dozsa@arm.com Tick repeat = period * SimClock::Int::ns; 48511290Sgabor.dozsa@arm.com exitSimLoop("checkpoint", 0, when, repeat); 48611290Sgabor.dozsa@arm.com } 4875504Snate@binkert.org} 4885504Snate@binkert.org 4895504Snate@binkert.orguint64_t 4905504Snate@binkert.orgreadfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset) 4915504Snate@binkert.org{ 4929733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::readfile(0x%x, 0x%x, 0x%x)\n", 4939733Sandreas@sandberg.pp.se vaddr, len, offset); 4948806Sgblack@eecs.umich.edu if (!FullSystem) { 4958784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("readfile"); 4968784Sgblack@eecs.umich.edu return 0; 4978666SPrakash.Ramrakhyani@arm.com } 4988806Sgblack@eecs.umich.edu 4995504Snate@binkert.org const string &file = tc->getSystemPtr()->params()->readfile; 5005504Snate@binkert.org if (file.empty()) { 5015504Snate@binkert.org return ULL(0); 502310SN/A } 503299SN/A 5045504Snate@binkert.org uint64_t result = 0; 5052188SN/A 5065504Snate@binkert.org int fd = ::open(file.c_str(), O_RDONLY, 0); 5075504Snate@binkert.org if (fd < 0) 5085504Snate@binkert.org panic("could not open file %s\n", file); 5092235SN/A 5105504Snate@binkert.org if (::lseek(fd, offset, SEEK_SET) < 0) 5115504Snate@binkert.org panic("could not seek: %s", strerror(errno)); 5123368Sstever@eecs.umich.edu 5135504Snate@binkert.org char *buf = new char[len]; 5145504Snate@binkert.org char *p = buf; 5155504Snate@binkert.org while (len > 0) { 5165504Snate@binkert.org int bytes = ::read(fd, p, len); 5175504Snate@binkert.org if (bytes <= 0) 5185504Snate@binkert.org break; 5193368Sstever@eecs.umich.edu 5205504Snate@binkert.org p += bytes; 5215504Snate@binkert.org result += bytes; 5225504Snate@binkert.org len -= bytes; 5232188SN/A } 5242188SN/A 5255504Snate@binkert.org close(fd); 5265504Snate@binkert.org CopyIn(tc, vaddr, buf, result); 5275504Snate@binkert.org delete [] buf; 5285504Snate@binkert.org return result; 5295504Snate@binkert.org} 5302188SN/A 5318734Sdam.sunwoo@arm.comuint64_t 5328734Sdam.sunwoo@arm.comwritefile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset, 5338734Sdam.sunwoo@arm.com Addr filename_addr) 5348734Sdam.sunwoo@arm.com{ 5359733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::writefile(0x%x, 0x%x, 0x%x, 0x%x)\n", 5369733Sandreas@sandberg.pp.se vaddr, len, offset, filename_addr); 5378734Sdam.sunwoo@arm.com 5388734Sdam.sunwoo@arm.com // copy out target filename 5398734Sdam.sunwoo@arm.com char fn[100]; 5408734Sdam.sunwoo@arm.com std::string filename; 5418734Sdam.sunwoo@arm.com CopyStringOut(tc, fn, filename_addr, 100); 5428734Sdam.sunwoo@arm.com filename = std::string(fn); 5438734Sdam.sunwoo@arm.com 54411359Sandreas@sandberg.pp.se OutputStream *out; 5458734Sdam.sunwoo@arm.com if (offset == 0) { 5468734Sdam.sunwoo@arm.com // create a new file (truncate) 54711359Sandreas@sandberg.pp.se out = simout.create(filename, true, true); 5488734Sdam.sunwoo@arm.com } else { 5498734Sdam.sunwoo@arm.com // do not truncate file if offset is non-zero 5508734Sdam.sunwoo@arm.com // (ios::in flag is required as well to keep the existing data 5518734Sdam.sunwoo@arm.com // intact, otherwise existing data will be zeroed out.) 55211359Sandreas@sandberg.pp.se out = simout.open(filename, ios::in | ios::out | ios::binary, true); 5538734Sdam.sunwoo@arm.com } 55411359Sandreas@sandberg.pp.se 55511359Sandreas@sandberg.pp.se ostream *os(out->stream()); 5568734Sdam.sunwoo@arm.com if (!os) 5578734Sdam.sunwoo@arm.com panic("could not open file %s\n", filename); 5588734Sdam.sunwoo@arm.com 5598734Sdam.sunwoo@arm.com // seek to offset 5608734Sdam.sunwoo@arm.com os->seekp(offset); 5618734Sdam.sunwoo@arm.com 5628734Sdam.sunwoo@arm.com // copy out data and write to file 5638734Sdam.sunwoo@arm.com char *buf = new char[len]; 5648734Sdam.sunwoo@arm.com CopyOut(tc, buf, vaddr, len); 5658734Sdam.sunwoo@arm.com os->write(buf, len); 5668734Sdam.sunwoo@arm.com if (os->fail() || os->bad()) 5678734Sdam.sunwoo@arm.com panic("Error while doing writefile!\n"); 5688734Sdam.sunwoo@arm.com 56911359Sandreas@sandberg.pp.se simout.close(out); 5708734Sdam.sunwoo@arm.com 5718734Sdam.sunwoo@arm.com delete [] buf; 5728734Sdam.sunwoo@arm.com 5738734Sdam.sunwoo@arm.com return len; 5748734Sdam.sunwoo@arm.com} 5758734Sdam.sunwoo@arm.com 5765504Snate@binkert.orgvoid 5775504Snate@binkert.orgdebugbreak(ThreadContext *tc) 5785504Snate@binkert.org{ 5799733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::debugbreak()\n"); 5808231Snate@binkert.org Debug::breakpoint(); 5815504Snate@binkert.org} 5822235SN/A 5835504Snate@binkert.orgvoid 5845504Snate@binkert.orgswitchcpu(ThreadContext *tc) 5855504Snate@binkert.org{ 5869733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::switchcpu()\n"); 5875504Snate@binkert.org exitSimLoop("switchcpu"); 5885504Snate@binkert.org} 5893368Sstever@eecs.umich.edu 59011703Smichael.lebeane@amd.comvoid 59111703Smichael.lebeane@amd.comtogglesync(ThreadContext *tc) 59211703Smichael.lebeane@amd.com{ 59311703Smichael.lebeane@amd.com DPRINTF(PseudoInst, "PseudoInst::togglesync()\n"); 59411703Smichael.lebeane@amd.com DistIface::toggleSync(tc); 59511703Smichael.lebeane@amd.com} 59611703Smichael.lebeane@amd.com 5977914SBrad.Beckmann@amd.com// 59811320Ssteve.reinhardt@amd.com// This function is executed when annotated work items begin. Depending on 5997914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 6007914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item begins. 6017914SBrad.Beckmann@amd.com// 6027914SBrad.Beckmann@amd.comvoid 6037914SBrad.Beckmann@amd.comworkbegin(ThreadContext *tc, uint64_t workid, uint64_t threadid) 6047914SBrad.Beckmann@amd.com{ 6059733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::workbegin(%i, %i)\n", workid, threadid); 6067914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 6078580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 60811270Sandreas.sandberg@arm.com 60911270Sandreas.sandberg@arm.com if (params->exit_on_work_items) { 61011270Sandreas.sandberg@arm.com exitSimLoop("workbegin", static_cast<int>(workid)); 61111270Sandreas.sandberg@arm.com return; 61211270Sandreas.sandberg@arm.com } 61311270Sandreas.sandberg@arm.com 61411270Sandreas.sandberg@arm.com DPRINTF(WorkItems, "Work Begin workid: %d, threadid %d\n", workid, 61511270Sandreas.sandberg@arm.com threadid); 61611270Sandreas.sandberg@arm.com tc->getCpuPtr()->workItemBegin(); 6178666SPrakash.Ramrakhyani@arm.com sys->workItemBegin(threadid, workid); 6187914SBrad.Beckmann@amd.com 6197914SBrad.Beckmann@amd.com // 6207914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 6217914SBrad.Beckmann@amd.com // identified 6227914SBrad.Beckmann@amd.com // 6238580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 6247914SBrad.Beckmann@amd.com 6257914SBrad.Beckmann@amd.com uint64_t systemWorkBeginCount = sys->incWorkItemsBegin(); 6267914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 6277914SBrad.Beckmann@amd.com 6288580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 6298580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 6307914SBrad.Beckmann@amd.com // 6317914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 6327914SBrad.Beckmann@amd.com // 6338580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6347914SBrad.Beckmann@amd.com } 6357914SBrad.Beckmann@amd.com 6368580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_ckpt_count) { 6377914SBrad.Beckmann@amd.com // 6387914SBrad.Beckmann@amd.com // Note: the string specified as the cause of the exit event must 6397914SBrad.Beckmann@amd.com // exactly equal "checkpoint" inorder to create a checkpoint 6407914SBrad.Beckmann@amd.com // 6418580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6427914SBrad.Beckmann@amd.com } 6437914SBrad.Beckmann@amd.com 6448580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_exit_count) { 6457914SBrad.Beckmann@amd.com // 6467914SBrad.Beckmann@amd.com // If a certain number of work items started, exit simulation 6477914SBrad.Beckmann@amd.com // 6488580Ssteve.reinhardt@amd.com exitSimLoop("work started count reach"); 6497914SBrad.Beckmann@amd.com } 6507914SBrad.Beckmann@amd.com 6518580Ssteve.reinhardt@amd.com if (cpuId == params->work_begin_cpu_id_exit) { 6527914SBrad.Beckmann@amd.com // 6538580Ssteve.reinhardt@amd.com // If work started on the cpu id specified, exit simulation 6547914SBrad.Beckmann@amd.com // 6558580Ssteve.reinhardt@amd.com exitSimLoop("work started on specific cpu"); 6567914SBrad.Beckmann@amd.com } 6577914SBrad.Beckmann@amd.com } 6587914SBrad.Beckmann@amd.com} 6597914SBrad.Beckmann@amd.com 6607914SBrad.Beckmann@amd.com// 66111320Ssteve.reinhardt@amd.com// This function is executed when annotated work items end. Depending on 6627914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 6637914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item ends. 6647914SBrad.Beckmann@amd.com// 6657914SBrad.Beckmann@amd.comvoid 6667914SBrad.Beckmann@amd.comworkend(ThreadContext *tc, uint64_t workid, uint64_t threadid) 6677914SBrad.Beckmann@amd.com{ 6689733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::workend(%i, %i)\n", workid, threadid); 6697914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 6708580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 67111270Sandreas.sandberg@arm.com 67211270Sandreas.sandberg@arm.com if (params->exit_on_work_items) { 67311270Sandreas.sandberg@arm.com exitSimLoop("workend", static_cast<int>(workid)); 67411270Sandreas.sandberg@arm.com return; 67511270Sandreas.sandberg@arm.com } 6767914SBrad.Beckmann@amd.com 6777914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work End workid: %d, threadid %d\n", workid, threadid); 67811270Sandreas.sandberg@arm.com tc->getCpuPtr()->workItemEnd(); 67911270Sandreas.sandberg@arm.com sys->workItemEnd(threadid, workid); 6807914SBrad.Beckmann@amd.com 6817914SBrad.Beckmann@amd.com // 6827914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 6837914SBrad.Beckmann@amd.com // identified 6847914SBrad.Beckmann@amd.com // 6858580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 6867914SBrad.Beckmann@amd.com 6877914SBrad.Beckmann@amd.com uint64_t systemWorkEndCount = sys->incWorkItemsEnd(); 6887914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 6897914SBrad.Beckmann@amd.com 6908580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 6918580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 6927914SBrad.Beckmann@amd.com // 6937914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 6947914SBrad.Beckmann@amd.com // 6958580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6967914SBrad.Beckmann@amd.com } 6977914SBrad.Beckmann@amd.com 6988580Ssteve.reinhardt@amd.com if (params->work_end_ckpt_count != 0 && 6998580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_ckpt_count) { 7007914SBrad.Beckmann@amd.com // 7017914SBrad.Beckmann@amd.com // If total work items completed equals checkpoint count, create 7027914SBrad.Beckmann@amd.com // checkpoint 7037914SBrad.Beckmann@amd.com // 7048580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 7057914SBrad.Beckmann@amd.com } 7067914SBrad.Beckmann@amd.com 7078580Ssteve.reinhardt@amd.com if (params->work_end_exit_count != 0 && 7088580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_exit_count) { 7097914SBrad.Beckmann@amd.com // 7107914SBrad.Beckmann@amd.com // If total work items completed equals exit count, exit simulation 7117914SBrad.Beckmann@amd.com // 7128580Ssteve.reinhardt@amd.com exitSimLoop("work items exit count reached"); 7137914SBrad.Beckmann@amd.com } 7147914SBrad.Beckmann@amd.com } 7157914SBrad.Beckmann@amd.com} 7167914SBrad.Beckmann@amd.com 7177811Ssteve.reinhardt@amd.com} // namespace PseudoInst 718