pseudo_inst.cc revision 11627
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 44954SN/A#include <fcntl.h> 45956SN/A#include <unistd.h> 46956SN/A 478229Snate@binkert.org#include <cerrno> 484078Sbinkertn@umich.edu#include <fstream> 49299SN/A#include <string> 509659SAndreas.Sandberg@ARM.com#include <vector> 51299SN/A 528777Sgblack@eecs.umich.edu#include "arch/kernel_stats.hh" 539659SAndreas.Sandberg@ARM.com#include "arch/utility.hh" 542170SN/A#include "arch/vtophys.hh" 5510553Salexandru.dutu@amd.com#include "arch/pseudo_inst.hh" 565882Snate@binkert.org#include "base/debug.hh" 578734Sdam.sunwoo@arm.com#include "base/output.hh" 586658Snate@binkert.org#include "config/the_isa.hh" 591717SN/A#include "cpu/base.hh" 608229Snate@binkert.org#include "cpu/quiesce_event.hh" 612680Sktlim@umich.edu#include "cpu/thread_context.hh" 628232Snate@binkert.org#include "debug/Loader.hh" 639733Sandreas@sandberg.pp.se#include "debug/PseudoInst.hh" 648232Snate@binkert.org#include "debug/Quiesce.hh" 658232Snate@binkert.org#include "debug/WorkItems.hh" 6611290Sgabor.dozsa@arm.com#include "dev/net/dist_iface.hh" 675529Snate@binkert.org#include "params/BaseCPU.hh" 688784Sgblack@eecs.umich.edu#include "sim/full_system.hh" 6911290Sgabor.dozsa@arm.com#include "sim/initparam_keys.hh" 7010553Salexandru.dutu@amd.com#include "sim/process.hh" 713565Sgblack@eecs.umich.edu#include "sim/pseudo_inst.hh" 72298SN/A#include "sim/serialize.hh" 735606Snate@binkert.org#include "sim/sim_events.hh" 74298SN/A#include "sim/sim_exit.hh" 75695SN/A#include "sim/stat_control.hh" 76695SN/A#include "sim/stats.hh" 77954SN/A#include "sim/system.hh" 782080SN/A#include "sim/vptr.hh" 79298SN/A 80299SN/Ausing namespace std; 811052SN/A 82729SN/Ausing namespace Stats; 832107SN/Ausing namespace TheISA; 84298SN/A 855504Snate@binkert.orgnamespace PseudoInst { 865504Snate@binkert.org 878784Sgblack@eecs.umich.edustatic inline void 888784Sgblack@eecs.umich.edupanicFsOnlyPseudoInst(const char *name) 898784Sgblack@eecs.umich.edu{ 908784Sgblack@eecs.umich.edu panic("Pseudo inst \"%s\" is only available in Full System mode."); 918784Sgblack@eecs.umich.edu} 925780Ssteve.reinhardt@amd.com 939659SAndreas.Sandberg@ARM.comuint64_t 949659SAndreas.Sandberg@ARM.compseudoInst(ThreadContext *tc, uint8_t func, uint8_t subfunc) 959659SAndreas.Sandberg@ARM.com{ 969659SAndreas.Sandberg@ARM.com uint64_t args[4]; 979659SAndreas.Sandberg@ARM.com 989733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::pseudoInst(%i, %i)\n", func, subfunc); 999733Sandreas@sandberg.pp.se 1009659SAndreas.Sandberg@ARM.com // We need to do this in a slightly convoluted way since 1019659SAndreas.Sandberg@ARM.com // getArgument() might have side-effects on arg_num. We could have 1029659SAndreas.Sandberg@ARM.com // used the Argument class, but due to the possible side effects 1039659SAndreas.Sandberg@ARM.com // from getArgument, it'd most likely break. 1049659SAndreas.Sandberg@ARM.com int arg_num(0); 1059879Sandreas@sandberg.pp.se for (int i = 0; i < sizeof(args) / sizeof(*args); ++i) { 1069879Sandreas@sandberg.pp.se args[arg_num] = getArgument(tc, arg_num, sizeof(uint64_t), false); 1079879Sandreas@sandberg.pp.se ++arg_num; 1089879Sandreas@sandberg.pp.se } 1099659SAndreas.Sandberg@ARM.com 1109659SAndreas.Sandberg@ARM.com switch (func) { 1119659SAndreas.Sandberg@ARM.com case 0x00: // arm_func 1129659SAndreas.Sandberg@ARM.com arm(tc); 1139659SAndreas.Sandberg@ARM.com break; 1149659SAndreas.Sandberg@ARM.com 1159659SAndreas.Sandberg@ARM.com case 0x01: // quiesce_func 1169659SAndreas.Sandberg@ARM.com quiesce(tc); 1179659SAndreas.Sandberg@ARM.com break; 1189659SAndreas.Sandberg@ARM.com 1199659SAndreas.Sandberg@ARM.com case 0x02: // quiescens_func 1209659SAndreas.Sandberg@ARM.com quiesceSkip(tc); 1219659SAndreas.Sandberg@ARM.com break; 1229659SAndreas.Sandberg@ARM.com 1239659SAndreas.Sandberg@ARM.com case 0x03: // quiescecycle_func 1249659SAndreas.Sandberg@ARM.com quiesceNs(tc, args[0]); 1259659SAndreas.Sandberg@ARM.com break; 1269659SAndreas.Sandberg@ARM.com 1279659SAndreas.Sandberg@ARM.com case 0x04: // quiescetime_func 1289659SAndreas.Sandberg@ARM.com return quiesceTime(tc); 1299659SAndreas.Sandberg@ARM.com 1309659SAndreas.Sandberg@ARM.com case 0x07: // rpns_func 1319659SAndreas.Sandberg@ARM.com return rpns(tc); 1329659SAndreas.Sandberg@ARM.com 1339659SAndreas.Sandberg@ARM.com case 0x09: // wakecpu_func 1349659SAndreas.Sandberg@ARM.com wakeCPU(tc, args[0]); 1359659SAndreas.Sandberg@ARM.com break; 1369659SAndreas.Sandberg@ARM.com 1379659SAndreas.Sandberg@ARM.com case 0x21: // exit_func 1389659SAndreas.Sandberg@ARM.com m5exit(tc, args[0]); 1399659SAndreas.Sandberg@ARM.com break; 1409659SAndreas.Sandberg@ARM.com 1419681Sandreas@sandberg.pp.se case 0x22: 1429681Sandreas@sandberg.pp.se m5fail(tc, args[0], args[1]); 1439681Sandreas@sandberg.pp.se break; 1449681Sandreas@sandberg.pp.se 1459659SAndreas.Sandberg@ARM.com case 0x30: // initparam_func 14611289Sgabor.dozsa@arm.com return initParam(tc, args[0], args[1]); 1479659SAndreas.Sandberg@ARM.com 1489659SAndreas.Sandberg@ARM.com case 0x31: // loadsymbol_func 1499659SAndreas.Sandberg@ARM.com loadsymbol(tc); 1509659SAndreas.Sandberg@ARM.com break; 1519659SAndreas.Sandberg@ARM.com 1529659SAndreas.Sandberg@ARM.com case 0x40: // resetstats_func 1539659SAndreas.Sandberg@ARM.com resetstats(tc, args[0], args[1]); 1549659SAndreas.Sandberg@ARM.com break; 1559659SAndreas.Sandberg@ARM.com 1569659SAndreas.Sandberg@ARM.com case 0x41: // dumpstats_func 1579659SAndreas.Sandberg@ARM.com dumpstats(tc, args[0], args[1]); 1589659SAndreas.Sandberg@ARM.com break; 1599659SAndreas.Sandberg@ARM.com 1609659SAndreas.Sandberg@ARM.com case 0x42: // dumprststats_func 1619659SAndreas.Sandberg@ARM.com dumpresetstats(tc, args[0], args[1]); 1629659SAndreas.Sandberg@ARM.com break; 1639659SAndreas.Sandberg@ARM.com 1649659SAndreas.Sandberg@ARM.com case 0x43: // ckpt_func 1659659SAndreas.Sandberg@ARM.com m5checkpoint(tc, args[0], args[1]); 1669659SAndreas.Sandberg@ARM.com break; 1679659SAndreas.Sandberg@ARM.com 1689659SAndreas.Sandberg@ARM.com case 0x4f: // writefile_func 1699659SAndreas.Sandberg@ARM.com return writefile(tc, args[0], args[1], args[2], args[3]); 1709659SAndreas.Sandberg@ARM.com 1719659SAndreas.Sandberg@ARM.com case 0x50: // readfile_func 1729659SAndreas.Sandberg@ARM.com return readfile(tc, args[0], args[1], args[2]); 1739659SAndreas.Sandberg@ARM.com 1749659SAndreas.Sandberg@ARM.com case 0x51: // debugbreak_func 1759659SAndreas.Sandberg@ARM.com debugbreak(tc); 1769659SAndreas.Sandberg@ARM.com break; 1779659SAndreas.Sandberg@ARM.com 1789659SAndreas.Sandberg@ARM.com case 0x52: // switchcpu_func 1799659SAndreas.Sandberg@ARM.com switchcpu(tc); 1809659SAndreas.Sandberg@ARM.com break; 1819659SAndreas.Sandberg@ARM.com 1829659SAndreas.Sandberg@ARM.com case 0x53: // addsymbol_func 1839659SAndreas.Sandberg@ARM.com addsymbol(tc, args[0], args[1]); 1849659SAndreas.Sandberg@ARM.com break; 1859659SAndreas.Sandberg@ARM.com 1869659SAndreas.Sandberg@ARM.com case 0x54: // panic_func 1879659SAndreas.Sandberg@ARM.com panic("M5 panic instruction called at %s\n", tc->pcState()); 1889659SAndreas.Sandberg@ARM.com 1899659SAndreas.Sandberg@ARM.com case 0x5a: // work_begin_func 1909659SAndreas.Sandberg@ARM.com workbegin(tc, args[0], args[1]); 1919659SAndreas.Sandberg@ARM.com break; 1929659SAndreas.Sandberg@ARM.com 1939659SAndreas.Sandberg@ARM.com case 0x5b: // work_end_func 1949659SAndreas.Sandberg@ARM.com workend(tc, args[0], args[1]); 1959659SAndreas.Sandberg@ARM.com break; 1969659SAndreas.Sandberg@ARM.com 1979659SAndreas.Sandberg@ARM.com case 0x55: // annotate_func 1989659SAndreas.Sandberg@ARM.com case 0x56: // reserved2_func 1999659SAndreas.Sandberg@ARM.com case 0x57: // reserved3_func 2009659SAndreas.Sandberg@ARM.com case 0x58: // reserved4_func 2019659SAndreas.Sandberg@ARM.com case 0x59: // reserved5_func 2029659SAndreas.Sandberg@ARM.com warn("Unimplemented m5 op (0x%x)\n", func); 2039659SAndreas.Sandberg@ARM.com break; 2049659SAndreas.Sandberg@ARM.com 20510553Salexandru.dutu@amd.com /* SE mode functions */ 20610553Salexandru.dutu@amd.com case 0x60: // syscall_func 20710553Salexandru.dutu@amd.com m5Syscall(tc); 20810553Salexandru.dutu@amd.com break; 20910553Salexandru.dutu@amd.com 21010553Salexandru.dutu@amd.com case 0x61: // pagefault_func 21110553Salexandru.dutu@amd.com m5PageFault(tc); 21210553Salexandru.dutu@amd.com break; 21310553Salexandru.dutu@amd.com 2149659SAndreas.Sandberg@ARM.com default: 2159659SAndreas.Sandberg@ARM.com warn("Unhandled m5 op: 0x%x\n", func); 2169659SAndreas.Sandberg@ARM.com break; 2179659SAndreas.Sandberg@ARM.com } 2189659SAndreas.Sandberg@ARM.com 2199659SAndreas.Sandberg@ARM.com return 0; 2209659SAndreas.Sandberg@ARM.com} 2219659SAndreas.Sandberg@ARM.com 2225504Snate@binkert.orgvoid 2235504Snate@binkert.orgarm(ThreadContext *tc) 224298SN/A{ 2259733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::arm()\n"); 2268806Sgblack@eecs.umich.edu if (!FullSystem) 2278784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("arm"); 2288806Sgblack@eecs.umich.edu 2295504Snate@binkert.org if (tc->getKernelStats()) 2305504Snate@binkert.org tc->getKernelStats()->arm(); 2315504Snate@binkert.org} 2325504Snate@binkert.org 2335504Snate@binkert.orgvoid 2345504Snate@binkert.orgquiesce(ThreadContext *tc) 2355504Snate@binkert.org{ 2369733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesce()\n"); 23711627Smichael.lebeane@amd.com tc->quiesce(); 2385504Snate@binkert.org} 2395504Snate@binkert.org 2405504Snate@binkert.orgvoid 2418142SAli.Saidi@ARM.comquiesceSkip(ThreadContext *tc) 2428142SAli.Saidi@ARM.com{ 2439733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesceSkip()\n"); 24411627Smichael.lebeane@amd.com tc->quiesceTick(tc->getCpuPtr()->nextCycle() + 1); 2458142SAli.Saidi@ARM.com} 2468142SAli.Saidi@ARM.com 2478142SAli.Saidi@ARM.comvoid 2485504Snate@binkert.orgquiesceNs(ThreadContext *tc, uint64_t ns) 2495504Snate@binkert.org{ 2509733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesceNs(%i)\n", ns); 25111627Smichael.lebeane@amd.com tc->quiesceTick(curTick() + SimClock::Int::ns * ns); 2525504Snate@binkert.org} 2535504Snate@binkert.org 2545504Snate@binkert.orgvoid 2555504Snate@binkert.orgquiesceCycles(ThreadContext *tc, uint64_t cycles) 2565504Snate@binkert.org{ 2579733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesceCycles(%i)\n", cycles); 25811627Smichael.lebeane@amd.com tc->quiesceTick(tc->getCpuPtr()->clockEdge(Cycles(cycles))); 2595504Snate@binkert.org} 2605504Snate@binkert.org 2615504Snate@binkert.orguint64_t 2625504Snate@binkert.orgquiesceTime(ThreadContext *tc) 2635504Snate@binkert.org{ 2649733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::quiesceTime()\n"); 2658806Sgblack@eecs.umich.edu 2667064Snate@binkert.org return (tc->readLastActivate() - tc->readLastSuspend()) / 2677064Snate@binkert.org SimClock::Int::ns; 2685504Snate@binkert.org} 2695504Snate@binkert.org 2705741Snate@binkert.orguint64_t 2715741Snate@binkert.orgrpns(ThreadContext *tc) 2725741Snate@binkert.org{ 2739733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::rpns()\n"); 2747823Ssteve.reinhardt@amd.com return curTick() / SimClock::Int::ns; 2755741Snate@binkert.org} 2765741Snate@binkert.org 2775504Snate@binkert.orgvoid 2785808Snate@binkert.orgwakeCPU(ThreadContext *tc, uint64_t cpuid) 2795808Snate@binkert.org{ 2809733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::wakeCPU(%i)\n", cpuid); 2815808Snate@binkert.org System *sys = tc->getSystemPtr(); 2825808Snate@binkert.org ThreadContext *other_tc = sys->threadContexts[cpuid]; 2835808Snate@binkert.org if (other_tc->status() == ThreadContext::Suspended) 2845808Snate@binkert.org other_tc->activate(); 2855808Snate@binkert.org} 2865808Snate@binkert.org 2875808Snate@binkert.orgvoid 2885504Snate@binkert.orgm5exit(ThreadContext *tc, Tick delay) 2895504Snate@binkert.org{ 2909733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5exit(%i)\n", delay); 29111290Sgabor.dozsa@arm.com if (DistIface::readyToExit(delay)) { 29211290Sgabor.dozsa@arm.com Tick when = curTick() + delay * SimClock::Int::ns; 29311290Sgabor.dozsa@arm.com exitSimLoop("m5_exit instruction encountered", 0, when, 0, true); 29411290Sgabor.dozsa@arm.com } 2955504Snate@binkert.org} 2965504Snate@binkert.org 2975504Snate@binkert.orgvoid 2989457Svilanova@ac.upc.edum5fail(ThreadContext *tc, Tick delay, uint64_t code) 2999457Svilanova@ac.upc.edu{ 3009733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5fail(%i, %i)\n", delay, code); 3019457Svilanova@ac.upc.edu Tick when = curTick() + delay * SimClock::Int::ns; 3029952Sdam.sunwoo@arm.com exitSimLoop("m5_fail instruction encountered", code, when, 0, true); 3039457Svilanova@ac.upc.edu} 3049457Svilanova@ac.upc.edu 3059457Svilanova@ac.upc.eduvoid 3065504Snate@binkert.orgloadsymbol(ThreadContext *tc) 3075504Snate@binkert.org{ 3089733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::loadsymbol()\n"); 3098806Sgblack@eecs.umich.edu if (!FullSystem) 3108806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("loadsymbol"); 3118784Sgblack@eecs.umich.edu 3125504Snate@binkert.org const string &filename = tc->getCpuPtr()->system->params()->symbolfile; 3135504Snate@binkert.org if (filename.empty()) { 3145504Snate@binkert.org return; 315711SN/A } 316711SN/A 3175504Snate@binkert.org std::string buffer; 3185504Snate@binkert.org ifstream file(filename.c_str()); 319310SN/A 3205504Snate@binkert.org if (!file) 3215504Snate@binkert.org fatal("file error: Can't open symbol table file %s\n", filename); 3223373Sstever@eecs.umich.edu 3235504Snate@binkert.org while (!file.eof()) { 3245504Snate@binkert.org getline(file, buffer); 3255504Snate@binkert.org 3265504Snate@binkert.org if (buffer.empty()) 3275504Snate@binkert.org continue; 3285504Snate@binkert.org 3296227Snate@binkert.org string::size_type idx = buffer.find(' '); 3305504Snate@binkert.org if (idx == string::npos) 3315504Snate@binkert.org continue; 3325504Snate@binkert.org 3335504Snate@binkert.org string address = "0x" + buffer.substr(0, idx); 3345504Snate@binkert.org eat_white(address); 3355504Snate@binkert.org if (address.empty()) 3365504Snate@binkert.org continue; 3375504Snate@binkert.org 3385504Snate@binkert.org // Skip over letter and space 3395504Snate@binkert.org string symbol = buffer.substr(idx + 3); 3405504Snate@binkert.org eat_white(symbol); 3415504Snate@binkert.org if (symbol.empty()) 3425504Snate@binkert.org continue; 3435504Snate@binkert.org 3445504Snate@binkert.org Addr addr; 3455504Snate@binkert.org if (!to_number(address, addr)) 3465504Snate@binkert.org continue; 3475504Snate@binkert.org 3485504Snate@binkert.org if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol)) 3495504Snate@binkert.org continue; 3505504Snate@binkert.org 3515504Snate@binkert.org 3525504Snate@binkert.org DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 3535504Snate@binkert.org } 3545504Snate@binkert.org file.close(); 3555504Snate@binkert.org} 3565504Snate@binkert.org 3575504Snate@binkert.orgvoid 3585780Ssteve.reinhardt@amd.comaddsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr) 3595780Ssteve.reinhardt@amd.com{ 3609733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::addsymbol(0x%x, 0x%x)\n", 3619733Sandreas@sandberg.pp.se addr, symbolAddr); 3628806Sgblack@eecs.umich.edu if (!FullSystem) 3638806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("addSymbol"); 3648666SPrakash.Ramrakhyani@arm.com 3655780Ssteve.reinhardt@amd.com char symb[100]; 3665780Ssteve.reinhardt@amd.com CopyStringOut(tc, symb, symbolAddr, 100); 3675780Ssteve.reinhardt@amd.com std::string symbol(symb); 3685780Ssteve.reinhardt@amd.com 3695780Ssteve.reinhardt@amd.com DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 3705780Ssteve.reinhardt@amd.com 3715780Ssteve.reinhardt@amd.com tc->getSystemPtr()->kernelSymtab->insert(addr,symbol); 3725952Ssaidi@eecs.umich.edu debugSymbolTable->insert(addr,symbol); 3735780Ssteve.reinhardt@amd.com} 3745780Ssteve.reinhardt@amd.com 3758555Sgblack@eecs.umich.eduuint64_t 37611289Sgabor.dozsa@arm.cominitParam(ThreadContext *tc, uint64_t key_str1, uint64_t key_str2) 3778555Sgblack@eecs.umich.edu{ 37811289Sgabor.dozsa@arm.com DPRINTF(PseudoInst, "PseudoInst::initParam() key:%s%s\n", (char *)&key_str1, 37911289Sgabor.dozsa@arm.com (char *)&key_str2); 3808806Sgblack@eecs.umich.edu if (!FullSystem) { 3818784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("initParam"); 3828784Sgblack@eecs.umich.edu return 0; 3838784Sgblack@eecs.umich.edu } 3848806Sgblack@eecs.umich.edu 38511289Sgabor.dozsa@arm.com // The key parameter string is passed in via two 64-bit registers. We copy 38611289Sgabor.dozsa@arm.com // out the characters from the 64-bit integer variables here and concatenate 38711289Sgabor.dozsa@arm.com // them in the key_str character buffer 38811289Sgabor.dozsa@arm.com const int len = 2 * sizeof(uint64_t) + 1; 38911289Sgabor.dozsa@arm.com char key_str[len]; 39011289Sgabor.dozsa@arm.com memset(key_str, '\0', len); 39111289Sgabor.dozsa@arm.com if (key_str1 == 0) { 39211289Sgabor.dozsa@arm.com assert(key_str2 == 0); 39311289Sgabor.dozsa@arm.com } else { 39411289Sgabor.dozsa@arm.com strncpy(key_str, (char *)&key_str1, sizeof(uint64_t)); 39511289Sgabor.dozsa@arm.com } 39611289Sgabor.dozsa@arm.com 39711289Sgabor.dozsa@arm.com if (strlen(key_str) == sizeof(uint64_t)) { 39811289Sgabor.dozsa@arm.com strncpy(key_str + sizeof(uint64_t), (char *)&key_str2, 39911289Sgabor.dozsa@arm.com sizeof(uint64_t)); 40011289Sgabor.dozsa@arm.com } else { 40111289Sgabor.dozsa@arm.com assert(key_str2 == 0); 40211289Sgabor.dozsa@arm.com } 40311289Sgabor.dozsa@arm.com 40411289Sgabor.dozsa@arm.com // Compare the key parameter with the known values to select the return 40511289Sgabor.dozsa@arm.com // value 40611289Sgabor.dozsa@arm.com uint64_t val; 40711290Sgabor.dozsa@arm.com if (strcmp(key_str, InitParamKey::DEFAULT) == 0) { 40811289Sgabor.dozsa@arm.com val = tc->getCpuPtr()->system->init_param; 40911290Sgabor.dozsa@arm.com } else if (strcmp(key_str, InitParamKey::DIST_RANK) == 0) { 41011290Sgabor.dozsa@arm.com val = DistIface::rankParam(); 41111290Sgabor.dozsa@arm.com } else if (strcmp(key_str, InitParamKey::DIST_SIZE) == 0) { 41211290Sgabor.dozsa@arm.com val = DistIface::sizeParam(); 41311289Sgabor.dozsa@arm.com } else { 41411290Sgabor.dozsa@arm.com panic("Unknown key for initparam pseudo instruction:\"%s\"", key_str); 41511289Sgabor.dozsa@arm.com } 41611289Sgabor.dozsa@arm.com return val; 4178555Sgblack@eecs.umich.edu} 4188555Sgblack@eecs.umich.edu 4195780Ssteve.reinhardt@amd.com 4205780Ssteve.reinhardt@amd.comvoid 4215504Snate@binkert.orgresetstats(ThreadContext *tc, Tick delay, Tick period) 4225504Snate@binkert.org{ 4239733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::resetstats(%i, %i)\n", delay, period); 4245529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4255504Snate@binkert.org return; 4265504Snate@binkert.org 4275504Snate@binkert.org 4287823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4297064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4305504Snate@binkert.org 4317822Ssteve.reinhardt@amd.com Stats::schedStatEvent(false, true, when, repeat); 4325504Snate@binkert.org} 4335504Snate@binkert.org 4345504Snate@binkert.orgvoid 4355504Snate@binkert.orgdumpstats(ThreadContext *tc, Tick delay, Tick period) 4365504Snate@binkert.org{ 4379733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::dumpstats(%i, %i)\n", delay, period); 4385529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4395504Snate@binkert.org return; 4405504Snate@binkert.org 4415504Snate@binkert.org 4427823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4437064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4445504Snate@binkert.org 4457822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, false, when, repeat); 4465504Snate@binkert.org} 4475504Snate@binkert.org 4485504Snate@binkert.orgvoid 4495504Snate@binkert.orgdumpresetstats(ThreadContext *tc, Tick delay, Tick period) 4505504Snate@binkert.org{ 4519733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::dumpresetstats(%i, %i)\n", delay, period); 4525529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 4535504Snate@binkert.org return; 4545504Snate@binkert.org 4555504Snate@binkert.org 4567823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 4577064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 4585504Snate@binkert.org 4597822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, true, when, repeat); 4605504Snate@binkert.org} 4615504Snate@binkert.org 4625504Snate@binkert.orgvoid 4635504Snate@binkert.orgm5checkpoint(ThreadContext *tc, Tick delay, Tick period) 4645504Snate@binkert.org{ 4659733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::m5checkpoint(%i, %i)\n", delay, period); 4665529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_checkpoint_insts) 4675504Snate@binkert.org return; 4685504Snate@binkert.org 46911290Sgabor.dozsa@arm.com if (DistIface::readyToCkpt(delay, period)) { 47011290Sgabor.dozsa@arm.com Tick when = curTick() + delay * SimClock::Int::ns; 47111290Sgabor.dozsa@arm.com Tick repeat = period * SimClock::Int::ns; 47211290Sgabor.dozsa@arm.com exitSimLoop("checkpoint", 0, when, repeat); 47311290Sgabor.dozsa@arm.com } 4745504Snate@binkert.org} 4755504Snate@binkert.org 4765504Snate@binkert.orguint64_t 4775504Snate@binkert.orgreadfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset) 4785504Snate@binkert.org{ 4799733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::readfile(0x%x, 0x%x, 0x%x)\n", 4809733Sandreas@sandberg.pp.se vaddr, len, offset); 4818806Sgblack@eecs.umich.edu if (!FullSystem) { 4828784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("readfile"); 4838784Sgblack@eecs.umich.edu return 0; 4848666SPrakash.Ramrakhyani@arm.com } 4858806Sgblack@eecs.umich.edu 4865504Snate@binkert.org const string &file = tc->getSystemPtr()->params()->readfile; 4875504Snate@binkert.org if (file.empty()) { 4885504Snate@binkert.org return ULL(0); 489310SN/A } 490299SN/A 4915504Snate@binkert.org uint64_t result = 0; 4922188SN/A 4935504Snate@binkert.org int fd = ::open(file.c_str(), O_RDONLY, 0); 4945504Snate@binkert.org if (fd < 0) 4955504Snate@binkert.org panic("could not open file %s\n", file); 4962235SN/A 4975504Snate@binkert.org if (::lseek(fd, offset, SEEK_SET) < 0) 4985504Snate@binkert.org panic("could not seek: %s", strerror(errno)); 4993368Sstever@eecs.umich.edu 5005504Snate@binkert.org char *buf = new char[len]; 5015504Snate@binkert.org char *p = buf; 5025504Snate@binkert.org while (len > 0) { 5035504Snate@binkert.org int bytes = ::read(fd, p, len); 5045504Snate@binkert.org if (bytes <= 0) 5055504Snate@binkert.org break; 5063368Sstever@eecs.umich.edu 5075504Snate@binkert.org p += bytes; 5085504Snate@binkert.org result += bytes; 5095504Snate@binkert.org len -= bytes; 5102188SN/A } 5112188SN/A 5125504Snate@binkert.org close(fd); 5135504Snate@binkert.org CopyIn(tc, vaddr, buf, result); 5145504Snate@binkert.org delete [] buf; 5155504Snate@binkert.org return result; 5165504Snate@binkert.org} 5172188SN/A 5188734Sdam.sunwoo@arm.comuint64_t 5198734Sdam.sunwoo@arm.comwritefile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset, 5208734Sdam.sunwoo@arm.com Addr filename_addr) 5218734Sdam.sunwoo@arm.com{ 5229733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::writefile(0x%x, 0x%x, 0x%x, 0x%x)\n", 5239733Sandreas@sandberg.pp.se vaddr, len, offset, filename_addr); 5248734Sdam.sunwoo@arm.com 5258734Sdam.sunwoo@arm.com // copy out target filename 5268734Sdam.sunwoo@arm.com char fn[100]; 5278734Sdam.sunwoo@arm.com std::string filename; 5288734Sdam.sunwoo@arm.com CopyStringOut(tc, fn, filename_addr, 100); 5298734Sdam.sunwoo@arm.com filename = std::string(fn); 5308734Sdam.sunwoo@arm.com 53111359Sandreas@sandberg.pp.se OutputStream *out; 5328734Sdam.sunwoo@arm.com if (offset == 0) { 5338734Sdam.sunwoo@arm.com // create a new file (truncate) 53411359Sandreas@sandberg.pp.se out = simout.create(filename, true, true); 5358734Sdam.sunwoo@arm.com } else { 5368734Sdam.sunwoo@arm.com // do not truncate file if offset is non-zero 5378734Sdam.sunwoo@arm.com // (ios::in flag is required as well to keep the existing data 5388734Sdam.sunwoo@arm.com // intact, otherwise existing data will be zeroed out.) 53911359Sandreas@sandberg.pp.se out = simout.open(filename, ios::in | ios::out | ios::binary, true); 5408734Sdam.sunwoo@arm.com } 54111359Sandreas@sandberg.pp.se 54211359Sandreas@sandberg.pp.se ostream *os(out->stream()); 5438734Sdam.sunwoo@arm.com if (!os) 5448734Sdam.sunwoo@arm.com panic("could not open file %s\n", filename); 5458734Sdam.sunwoo@arm.com 5468734Sdam.sunwoo@arm.com // seek to offset 5478734Sdam.sunwoo@arm.com os->seekp(offset); 5488734Sdam.sunwoo@arm.com 5498734Sdam.sunwoo@arm.com // copy out data and write to file 5508734Sdam.sunwoo@arm.com char *buf = new char[len]; 5518734Sdam.sunwoo@arm.com CopyOut(tc, buf, vaddr, len); 5528734Sdam.sunwoo@arm.com os->write(buf, len); 5538734Sdam.sunwoo@arm.com if (os->fail() || os->bad()) 5548734Sdam.sunwoo@arm.com panic("Error while doing writefile!\n"); 5558734Sdam.sunwoo@arm.com 55611359Sandreas@sandberg.pp.se simout.close(out); 5578734Sdam.sunwoo@arm.com 5588734Sdam.sunwoo@arm.com delete [] buf; 5598734Sdam.sunwoo@arm.com 5608734Sdam.sunwoo@arm.com return len; 5618734Sdam.sunwoo@arm.com} 5628734Sdam.sunwoo@arm.com 5635504Snate@binkert.orgvoid 5645504Snate@binkert.orgdebugbreak(ThreadContext *tc) 5655504Snate@binkert.org{ 5669733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::debugbreak()\n"); 5678231Snate@binkert.org Debug::breakpoint(); 5685504Snate@binkert.org} 5692235SN/A 5705504Snate@binkert.orgvoid 5715504Snate@binkert.orgswitchcpu(ThreadContext *tc) 5725504Snate@binkert.org{ 5739733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::switchcpu()\n"); 5745504Snate@binkert.org exitSimLoop("switchcpu"); 5755504Snate@binkert.org} 5763368Sstever@eecs.umich.edu 5777914SBrad.Beckmann@amd.com// 57811320Ssteve.reinhardt@amd.com// This function is executed when annotated work items begin. Depending on 5797914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 5807914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item begins. 5817914SBrad.Beckmann@amd.com// 5827914SBrad.Beckmann@amd.comvoid 5837914SBrad.Beckmann@amd.comworkbegin(ThreadContext *tc, uint64_t workid, uint64_t threadid) 5847914SBrad.Beckmann@amd.com{ 5859733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::workbegin(%i, %i)\n", workid, threadid); 5867914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 5878580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 58811270Sandreas.sandberg@arm.com 58911270Sandreas.sandberg@arm.com if (params->exit_on_work_items) { 59011270Sandreas.sandberg@arm.com exitSimLoop("workbegin", static_cast<int>(workid)); 59111270Sandreas.sandberg@arm.com return; 59211270Sandreas.sandberg@arm.com } 59311270Sandreas.sandberg@arm.com 59411270Sandreas.sandberg@arm.com DPRINTF(WorkItems, "Work Begin workid: %d, threadid %d\n", workid, 59511270Sandreas.sandberg@arm.com threadid); 59611270Sandreas.sandberg@arm.com tc->getCpuPtr()->workItemBegin(); 5978666SPrakash.Ramrakhyani@arm.com sys->workItemBegin(threadid, workid); 5987914SBrad.Beckmann@amd.com 5997914SBrad.Beckmann@amd.com // 6007914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 6017914SBrad.Beckmann@amd.com // identified 6027914SBrad.Beckmann@amd.com // 6038580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 6047914SBrad.Beckmann@amd.com 6057914SBrad.Beckmann@amd.com uint64_t systemWorkBeginCount = sys->incWorkItemsBegin(); 6067914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 6077914SBrad.Beckmann@amd.com 6088580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 6098580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 6107914SBrad.Beckmann@amd.com // 6117914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 6127914SBrad.Beckmann@amd.com // 6138580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6147914SBrad.Beckmann@amd.com } 6157914SBrad.Beckmann@amd.com 6168580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_ckpt_count) { 6177914SBrad.Beckmann@amd.com // 6187914SBrad.Beckmann@amd.com // Note: the string specified as the cause of the exit event must 6197914SBrad.Beckmann@amd.com // exactly equal "checkpoint" inorder to create a checkpoint 6207914SBrad.Beckmann@amd.com // 6218580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6227914SBrad.Beckmann@amd.com } 6237914SBrad.Beckmann@amd.com 6248580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_exit_count) { 6257914SBrad.Beckmann@amd.com // 6267914SBrad.Beckmann@amd.com // If a certain number of work items started, exit simulation 6277914SBrad.Beckmann@amd.com // 6288580Ssteve.reinhardt@amd.com exitSimLoop("work started count reach"); 6297914SBrad.Beckmann@amd.com } 6307914SBrad.Beckmann@amd.com 6318580Ssteve.reinhardt@amd.com if (cpuId == params->work_begin_cpu_id_exit) { 6327914SBrad.Beckmann@amd.com // 6338580Ssteve.reinhardt@amd.com // If work started on the cpu id specified, exit simulation 6347914SBrad.Beckmann@amd.com // 6358580Ssteve.reinhardt@amd.com exitSimLoop("work started on specific cpu"); 6367914SBrad.Beckmann@amd.com } 6377914SBrad.Beckmann@amd.com } 6387914SBrad.Beckmann@amd.com} 6397914SBrad.Beckmann@amd.com 6407914SBrad.Beckmann@amd.com// 64111320Ssteve.reinhardt@amd.com// This function is executed when annotated work items end. Depending on 6427914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 6437914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item ends. 6447914SBrad.Beckmann@amd.com// 6457914SBrad.Beckmann@amd.comvoid 6467914SBrad.Beckmann@amd.comworkend(ThreadContext *tc, uint64_t workid, uint64_t threadid) 6477914SBrad.Beckmann@amd.com{ 6489733Sandreas@sandberg.pp.se DPRINTF(PseudoInst, "PseudoInst::workend(%i, %i)\n", workid, threadid); 6497914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 6508580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 65111270Sandreas.sandberg@arm.com 65211270Sandreas.sandberg@arm.com if (params->exit_on_work_items) { 65311270Sandreas.sandberg@arm.com exitSimLoop("workend", static_cast<int>(workid)); 65411270Sandreas.sandberg@arm.com return; 65511270Sandreas.sandberg@arm.com } 6567914SBrad.Beckmann@amd.com 6577914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work End workid: %d, threadid %d\n", workid, threadid); 65811270Sandreas.sandberg@arm.com tc->getCpuPtr()->workItemEnd(); 65911270Sandreas.sandberg@arm.com sys->workItemEnd(threadid, workid); 6607914SBrad.Beckmann@amd.com 6617914SBrad.Beckmann@amd.com // 6627914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 6637914SBrad.Beckmann@amd.com // identified 6647914SBrad.Beckmann@amd.com // 6658580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 6667914SBrad.Beckmann@amd.com 6677914SBrad.Beckmann@amd.com uint64_t systemWorkEndCount = sys->incWorkItemsEnd(); 6687914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 6697914SBrad.Beckmann@amd.com 6708580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 6718580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 6727914SBrad.Beckmann@amd.com // 6737914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 6747914SBrad.Beckmann@amd.com // 6758580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6767914SBrad.Beckmann@amd.com } 6777914SBrad.Beckmann@amd.com 6788580Ssteve.reinhardt@amd.com if (params->work_end_ckpt_count != 0 && 6798580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_ckpt_count) { 6807914SBrad.Beckmann@amd.com // 6817914SBrad.Beckmann@amd.com // If total work items completed equals checkpoint count, create 6827914SBrad.Beckmann@amd.com // checkpoint 6837914SBrad.Beckmann@amd.com // 6848580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 6857914SBrad.Beckmann@amd.com } 6867914SBrad.Beckmann@amd.com 6878580Ssteve.reinhardt@amd.com if (params->work_end_exit_count != 0 && 6888580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_exit_count) { 6897914SBrad.Beckmann@amd.com // 6907914SBrad.Beckmann@amd.com // If total work items completed equals exit count, exit simulation 6917914SBrad.Beckmann@amd.com // 6928580Ssteve.reinhardt@amd.com exitSimLoop("work items exit count reached"); 6937914SBrad.Beckmann@amd.com } 6947914SBrad.Beckmann@amd.com } 6957914SBrad.Beckmann@amd.com} 6967914SBrad.Beckmann@amd.com 6977811Ssteve.reinhardt@amd.com} // namespace PseudoInst 698