pseudo_inst.cc revision 8777
1298SN/A/* 28142SAli.Saidi@ARM.com * Copyright (c) 2010 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> 50299SN/A 518777Sgblack@eecs.umich.edu#include "arch/kernel_stats.hh" 522170SN/A#include "arch/vtophys.hh" 535882Snate@binkert.org#include "base/debug.hh" 546658Snate@binkert.org#include "config/full_system.hh" 556658Snate@binkert.org#include "config/the_isa.hh" 561717SN/A#include "cpu/base.hh" 578229Snate@binkert.org#include "cpu/quiesce_event.hh" 582680Sktlim@umich.edu#include "cpu/thread_context.hh" 598232Snate@binkert.org#include "debug/Loader.hh" 608232Snate@binkert.org#include "debug/Quiesce.hh" 618232Snate@binkert.org#include "debug/WorkItems.hh" 625529Snate@binkert.org#include "params/BaseCPU.hh" 633565Sgblack@eecs.umich.edu#include "sim/pseudo_inst.hh" 64298SN/A#include "sim/serialize.hh" 655606Snate@binkert.org#include "sim/sim_events.hh" 66298SN/A#include "sim/sim_exit.hh" 67695SN/A#include "sim/stat_control.hh" 68695SN/A#include "sim/stats.hh" 69954SN/A#include "sim/system.hh" 702080SN/A#include "sim/vptr.hh" 71298SN/A 72299SN/Ausing namespace std; 731052SN/A 74729SN/Ausing namespace Stats; 752107SN/Ausing namespace TheISA; 76298SN/A 775504Snate@binkert.orgnamespace PseudoInst { 785504Snate@binkert.org 795780Ssteve.reinhardt@amd.com#if FULL_SYSTEM 805780Ssteve.reinhardt@amd.com 815504Snate@binkert.orgvoid 825504Snate@binkert.orgarm(ThreadContext *tc) 83298SN/A{ 845504Snate@binkert.org if (tc->getKernelStats()) 855504Snate@binkert.org tc->getKernelStats()->arm(); 865504Snate@binkert.org} 875504Snate@binkert.org 885504Snate@binkert.orgvoid 895504Snate@binkert.orgquiesce(ThreadContext *tc) 905504Snate@binkert.org{ 915529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_quiesce) 925504Snate@binkert.org return; 935504Snate@binkert.org 945504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name()); 955504Snate@binkert.org 965504Snate@binkert.org tc->suspend(); 975504Snate@binkert.org if (tc->getKernelStats()) 985504Snate@binkert.org tc->getKernelStats()->quiesce(); 995504Snate@binkert.org} 1005504Snate@binkert.org 1015504Snate@binkert.orgvoid 1028142SAli.Saidi@ARM.comquiesceSkip(ThreadContext *tc) 1038142SAli.Saidi@ARM.com{ 1048142SAli.Saidi@ARM.com BaseCPU *cpu = tc->getCpuPtr(); 1058142SAli.Saidi@ARM.com 1068142SAli.Saidi@ARM.com if (!cpu->params()->do_quiesce) 1078142SAli.Saidi@ARM.com return; 1088142SAli.Saidi@ARM.com 1098142SAli.Saidi@ARM.com EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1108142SAli.Saidi@ARM.com 1118142SAli.Saidi@ARM.com Tick resume = curTick() + 1; 1128142SAli.Saidi@ARM.com 1138142SAli.Saidi@ARM.com cpu->reschedule(quiesceEvent, resume, true); 1148142SAli.Saidi@ARM.com 1158142SAli.Saidi@ARM.com DPRINTF(Quiesce, "%s: quiesceSkip() until %d\n", 1168142SAli.Saidi@ARM.com cpu->name(), resume); 1178142SAli.Saidi@ARM.com 1188142SAli.Saidi@ARM.com tc->suspend(); 1198142SAli.Saidi@ARM.com if (tc->getKernelStats()) 1208142SAli.Saidi@ARM.com tc->getKernelStats()->quiesce(); 1218142SAli.Saidi@ARM.com} 1228142SAli.Saidi@ARM.com 1238142SAli.Saidi@ARM.comvoid 1245504Snate@binkert.orgquiesceNs(ThreadContext *tc, uint64_t ns) 1255504Snate@binkert.org{ 1267819Ssteve.reinhardt@amd.com BaseCPU *cpu = tc->getCpuPtr(); 1277819Ssteve.reinhardt@amd.com 1287819Ssteve.reinhardt@amd.com if (!cpu->params()->do_quiesce || ns == 0) 1295504Snate@binkert.org return; 1305504Snate@binkert.org 1315504Snate@binkert.org EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1325504Snate@binkert.org 1337823Ssteve.reinhardt@amd.com Tick resume = curTick() + SimClock::Int::ns * ns; 1345504Snate@binkert.org 1357819Ssteve.reinhardt@amd.com cpu->reschedule(quiesceEvent, resume, true); 1365504Snate@binkert.org 1375504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n", 1387819Ssteve.reinhardt@amd.com cpu->name(), ns, resume); 1395504Snate@binkert.org 1405504Snate@binkert.org tc->suspend(); 1415504Snate@binkert.org if (tc->getKernelStats()) 1425504Snate@binkert.org tc->getKernelStats()->quiesce(); 1435504Snate@binkert.org} 1445504Snate@binkert.org 1455504Snate@binkert.orgvoid 1465504Snate@binkert.orgquiesceCycles(ThreadContext *tc, uint64_t cycles) 1475504Snate@binkert.org{ 1487819Ssteve.reinhardt@amd.com BaseCPU *cpu = tc->getCpuPtr(); 1497819Ssteve.reinhardt@amd.com 1507819Ssteve.reinhardt@amd.com if (!cpu->params()->do_quiesce || cycles == 0) 1515504Snate@binkert.org return; 1525504Snate@binkert.org 1535504Snate@binkert.org EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1545504Snate@binkert.org 1557823Ssteve.reinhardt@amd.com Tick resume = curTick() + cpu->ticks(cycles); 1565504Snate@binkert.org 1577819Ssteve.reinhardt@amd.com cpu->reschedule(quiesceEvent, resume, true); 1585504Snate@binkert.org 1595504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n", 1607819Ssteve.reinhardt@amd.com cpu->name(), cycles, resume); 1615504Snate@binkert.org 1625504Snate@binkert.org tc->suspend(); 1635504Snate@binkert.org if (tc->getKernelStats()) 1645504Snate@binkert.org tc->getKernelStats()->quiesce(); 1655504Snate@binkert.org} 1665504Snate@binkert.org 1675504Snate@binkert.orguint64_t 1685504Snate@binkert.orgquiesceTime(ThreadContext *tc) 1695504Snate@binkert.org{ 1707064Snate@binkert.org return (tc->readLastActivate() - tc->readLastSuspend()) / 1717064Snate@binkert.org SimClock::Int::ns; 1725504Snate@binkert.org} 1735504Snate@binkert.org 1745780Ssteve.reinhardt@amd.com#endif 1755780Ssteve.reinhardt@amd.com 1765741Snate@binkert.orguint64_t 1775741Snate@binkert.orgrpns(ThreadContext *tc) 1785741Snate@binkert.org{ 1797823Ssteve.reinhardt@amd.com return curTick() / SimClock::Int::ns; 1805741Snate@binkert.org} 1815741Snate@binkert.org 1825504Snate@binkert.orgvoid 1835808Snate@binkert.orgwakeCPU(ThreadContext *tc, uint64_t cpuid) 1845808Snate@binkert.org{ 1855808Snate@binkert.org System *sys = tc->getSystemPtr(); 1865808Snate@binkert.org ThreadContext *other_tc = sys->threadContexts[cpuid]; 1875808Snate@binkert.org if (other_tc->status() == ThreadContext::Suspended) 1885808Snate@binkert.org other_tc->activate(); 1895808Snate@binkert.org} 1905808Snate@binkert.org 1915808Snate@binkert.orgvoid 1925504Snate@binkert.orgm5exit(ThreadContext *tc, Tick delay) 1935504Snate@binkert.org{ 1947823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 1957819Ssteve.reinhardt@amd.com exitSimLoop("m5_exit instruction encountered", 0, when); 1965504Snate@binkert.org} 1975504Snate@binkert.org 1985780Ssteve.reinhardt@amd.com#if FULL_SYSTEM 1995780Ssteve.reinhardt@amd.com 2005504Snate@binkert.orgvoid 2015504Snate@binkert.orgloadsymbol(ThreadContext *tc) 2025504Snate@binkert.org{ 2035504Snate@binkert.org const string &filename = tc->getCpuPtr()->system->params()->symbolfile; 2045504Snate@binkert.org if (filename.empty()) { 2055504Snate@binkert.org return; 206711SN/A } 207711SN/A 2085504Snate@binkert.org std::string buffer; 2095504Snate@binkert.org ifstream file(filename.c_str()); 210310SN/A 2115504Snate@binkert.org if (!file) 2125504Snate@binkert.org fatal("file error: Can't open symbol table file %s\n", filename); 2133373Sstever@eecs.umich.edu 2145504Snate@binkert.org while (!file.eof()) { 2155504Snate@binkert.org getline(file, buffer); 2165504Snate@binkert.org 2175504Snate@binkert.org if (buffer.empty()) 2185504Snate@binkert.org continue; 2195504Snate@binkert.org 2206227Snate@binkert.org string::size_type idx = buffer.find(' '); 2215504Snate@binkert.org if (idx == string::npos) 2225504Snate@binkert.org continue; 2235504Snate@binkert.org 2245504Snate@binkert.org string address = "0x" + buffer.substr(0, idx); 2255504Snate@binkert.org eat_white(address); 2265504Snate@binkert.org if (address.empty()) 2275504Snate@binkert.org continue; 2285504Snate@binkert.org 2295504Snate@binkert.org // Skip over letter and space 2305504Snate@binkert.org string symbol = buffer.substr(idx + 3); 2315504Snate@binkert.org eat_white(symbol); 2325504Snate@binkert.org if (symbol.empty()) 2335504Snate@binkert.org continue; 2345504Snate@binkert.org 2355504Snate@binkert.org Addr addr; 2365504Snate@binkert.org if (!to_number(address, addr)) 2375504Snate@binkert.org continue; 2385504Snate@binkert.org 2395504Snate@binkert.org if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol)) 2405504Snate@binkert.org continue; 2415504Snate@binkert.org 2425504Snate@binkert.org 2435504Snate@binkert.org DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 2445504Snate@binkert.org } 2455504Snate@binkert.org file.close(); 2465504Snate@binkert.org} 2475504Snate@binkert.org 2485504Snate@binkert.orgvoid 2495780Ssteve.reinhardt@amd.comaddsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr) 2505780Ssteve.reinhardt@amd.com{ 2515780Ssteve.reinhardt@amd.com char symb[100]; 2525780Ssteve.reinhardt@amd.com CopyStringOut(tc, symb, symbolAddr, 100); 2535780Ssteve.reinhardt@amd.com std::string symbol(symb); 2545780Ssteve.reinhardt@amd.com 2555780Ssteve.reinhardt@amd.com DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 2565780Ssteve.reinhardt@amd.com 2575780Ssteve.reinhardt@amd.com tc->getSystemPtr()->kernelSymtab->insert(addr,symbol); 2585952Ssaidi@eecs.umich.edu debugSymbolTable->insert(addr,symbol); 2595780Ssteve.reinhardt@amd.com} 2605780Ssteve.reinhardt@amd.com 2618555Sgblack@eecs.umich.eduuint64_t 2628555Sgblack@eecs.umich.eduinitParam(ThreadContext *tc) 2638555Sgblack@eecs.umich.edu{ 2648555Sgblack@eecs.umich.edu return tc->getCpuPtr()->system->init_param; 2658555Sgblack@eecs.umich.edu} 2668555Sgblack@eecs.umich.edu 2675780Ssteve.reinhardt@amd.com#endif 2685780Ssteve.reinhardt@amd.com 2695780Ssteve.reinhardt@amd.com 2705780Ssteve.reinhardt@amd.comvoid 2715504Snate@binkert.orgresetstats(ThreadContext *tc, Tick delay, Tick period) 2725504Snate@binkert.org{ 2735529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 2745504Snate@binkert.org return; 2755504Snate@binkert.org 2765504Snate@binkert.org 2777823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 2787064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 2795504Snate@binkert.org 2807822Ssteve.reinhardt@amd.com Stats::schedStatEvent(false, true, when, repeat); 2815504Snate@binkert.org} 2825504Snate@binkert.org 2835504Snate@binkert.orgvoid 2845504Snate@binkert.orgdumpstats(ThreadContext *tc, Tick delay, Tick period) 2855504Snate@binkert.org{ 2865529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 2875504Snate@binkert.org return; 2885504Snate@binkert.org 2895504Snate@binkert.org 2907823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 2917064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 2925504Snate@binkert.org 2937822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, false, when, repeat); 2945504Snate@binkert.org} 2955504Snate@binkert.org 2965504Snate@binkert.orgvoid 2975504Snate@binkert.orgdumpresetstats(ThreadContext *tc, Tick delay, Tick period) 2985504Snate@binkert.org{ 2995529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 3005504Snate@binkert.org return; 3015504Snate@binkert.org 3025504Snate@binkert.org 3037823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 3047064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 3055504Snate@binkert.org 3067822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, true, when, repeat); 3075504Snate@binkert.org} 3085504Snate@binkert.org 3095504Snate@binkert.orgvoid 3105504Snate@binkert.orgm5checkpoint(ThreadContext *tc, Tick delay, Tick period) 3115504Snate@binkert.org{ 3125529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_checkpoint_insts) 3135504Snate@binkert.org return; 3145504Snate@binkert.org 3157823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 3167064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 3175504Snate@binkert.org 3187819Ssteve.reinhardt@amd.com exitSimLoop("checkpoint", 0, when, repeat); 3195504Snate@binkert.org} 3205504Snate@binkert.org 3215780Ssteve.reinhardt@amd.com#if FULL_SYSTEM 3225780Ssteve.reinhardt@amd.com 3235504Snate@binkert.orguint64_t 3245504Snate@binkert.orgreadfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset) 3255504Snate@binkert.org{ 3265504Snate@binkert.org const string &file = tc->getSystemPtr()->params()->readfile; 3275504Snate@binkert.org if (file.empty()) { 3285504Snate@binkert.org return ULL(0); 329310SN/A } 330299SN/A 3315504Snate@binkert.org uint64_t result = 0; 3322188SN/A 3335504Snate@binkert.org int fd = ::open(file.c_str(), O_RDONLY, 0); 3345504Snate@binkert.org if (fd < 0) 3355504Snate@binkert.org panic("could not open file %s\n", file); 3362235SN/A 3375504Snate@binkert.org if (::lseek(fd, offset, SEEK_SET) < 0) 3385504Snate@binkert.org panic("could not seek: %s", strerror(errno)); 3393368Sstever@eecs.umich.edu 3405504Snate@binkert.org char *buf = new char[len]; 3415504Snate@binkert.org char *p = buf; 3425504Snate@binkert.org while (len > 0) { 3435504Snate@binkert.org int bytes = ::read(fd, p, len); 3445504Snate@binkert.org if (bytes <= 0) 3455504Snate@binkert.org break; 3463368Sstever@eecs.umich.edu 3475504Snate@binkert.org p += bytes; 3485504Snate@binkert.org result += bytes; 3495504Snate@binkert.org len -= bytes; 3502188SN/A } 3512188SN/A 3525504Snate@binkert.org close(fd); 3535504Snate@binkert.org CopyIn(tc, vaddr, buf, result); 3545504Snate@binkert.org delete [] buf; 3555504Snate@binkert.org return result; 3565504Snate@binkert.org} 3572188SN/A 3585780Ssteve.reinhardt@amd.com#endif 3595780Ssteve.reinhardt@amd.com 3605504Snate@binkert.orgvoid 3615504Snate@binkert.orgdebugbreak(ThreadContext *tc) 3625504Snate@binkert.org{ 3638231Snate@binkert.org Debug::breakpoint(); 3645504Snate@binkert.org} 3652235SN/A 3665504Snate@binkert.orgvoid 3675504Snate@binkert.orgswitchcpu(ThreadContext *tc) 3685504Snate@binkert.org{ 3695504Snate@binkert.org exitSimLoop("switchcpu"); 3705504Snate@binkert.org} 3713368Sstever@eecs.umich.edu 3727914SBrad.Beckmann@amd.com// 3737914SBrad.Beckmann@amd.com// This function is executed when annotated work items begin. Depending on 3747914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 3757914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item begins. 3767914SBrad.Beckmann@amd.com// 3777914SBrad.Beckmann@amd.comvoid 3787914SBrad.Beckmann@amd.comworkbegin(ThreadContext *tc, uint64_t workid, uint64_t threadid) 3797914SBrad.Beckmann@amd.com{ 3807914SBrad.Beckmann@amd.com tc->getCpuPtr()->workItemBegin(); 3817914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 3828580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 3837914SBrad.Beckmann@amd.com 3847914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work Begin workid: %d, threadid %d\n", workid, 3857914SBrad.Beckmann@amd.com threadid); 3867914SBrad.Beckmann@amd.com 3877914SBrad.Beckmann@amd.com // 3887914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 3897914SBrad.Beckmann@amd.com // identified 3907914SBrad.Beckmann@amd.com // 3918580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 3927914SBrad.Beckmann@amd.com 3937914SBrad.Beckmann@amd.com uint64_t systemWorkBeginCount = sys->incWorkItemsBegin(); 3947914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 3957914SBrad.Beckmann@amd.com 3968580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 3978580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 3987914SBrad.Beckmann@amd.com // 3997914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 4007914SBrad.Beckmann@amd.com // 4018580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 4027914SBrad.Beckmann@amd.com } 4037914SBrad.Beckmann@amd.com 4048580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_ckpt_count) { 4057914SBrad.Beckmann@amd.com // 4067914SBrad.Beckmann@amd.com // Note: the string specified as the cause of the exit event must 4077914SBrad.Beckmann@amd.com // exactly equal "checkpoint" inorder to create a checkpoint 4087914SBrad.Beckmann@amd.com // 4098580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 4107914SBrad.Beckmann@amd.com } 4117914SBrad.Beckmann@amd.com 4128580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_exit_count) { 4137914SBrad.Beckmann@amd.com // 4147914SBrad.Beckmann@amd.com // If a certain number of work items started, exit simulation 4157914SBrad.Beckmann@amd.com // 4168580Ssteve.reinhardt@amd.com exitSimLoop("work started count reach"); 4177914SBrad.Beckmann@amd.com } 4187914SBrad.Beckmann@amd.com 4198580Ssteve.reinhardt@amd.com if (cpuId == params->work_begin_cpu_id_exit) { 4207914SBrad.Beckmann@amd.com // 4218580Ssteve.reinhardt@amd.com // If work started on the cpu id specified, exit simulation 4227914SBrad.Beckmann@amd.com // 4238580Ssteve.reinhardt@amd.com exitSimLoop("work started on specific cpu"); 4247914SBrad.Beckmann@amd.com } 4257914SBrad.Beckmann@amd.com } 4267914SBrad.Beckmann@amd.com} 4277914SBrad.Beckmann@amd.com 4287914SBrad.Beckmann@amd.com// 4297914SBrad.Beckmann@amd.com// This function is executed when annotated work items end. Depending on 4307914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 4317914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item ends. 4327914SBrad.Beckmann@amd.com// 4337914SBrad.Beckmann@amd.comvoid 4347914SBrad.Beckmann@amd.comworkend(ThreadContext *tc, uint64_t workid, uint64_t threadid) 4357914SBrad.Beckmann@amd.com{ 4367914SBrad.Beckmann@amd.com tc->getCpuPtr()->workItemEnd(); 4377914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 4388580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 4397914SBrad.Beckmann@amd.com 4407914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work End workid: %d, threadid %d\n", workid, threadid); 4417914SBrad.Beckmann@amd.com 4427914SBrad.Beckmann@amd.com // 4437914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 4447914SBrad.Beckmann@amd.com // identified 4457914SBrad.Beckmann@amd.com // 4468580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 4477914SBrad.Beckmann@amd.com 4487914SBrad.Beckmann@amd.com uint64_t systemWorkEndCount = sys->incWorkItemsEnd(); 4497914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 4507914SBrad.Beckmann@amd.com 4518580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 4528580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 4537914SBrad.Beckmann@amd.com // 4547914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 4557914SBrad.Beckmann@amd.com // 4568580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 4577914SBrad.Beckmann@amd.com } 4587914SBrad.Beckmann@amd.com 4598580Ssteve.reinhardt@amd.com if (params->work_end_ckpt_count != 0 && 4608580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_ckpt_count) { 4617914SBrad.Beckmann@amd.com // 4627914SBrad.Beckmann@amd.com // If total work items completed equals checkpoint count, create 4637914SBrad.Beckmann@amd.com // checkpoint 4647914SBrad.Beckmann@amd.com // 4658580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 4667914SBrad.Beckmann@amd.com } 4677914SBrad.Beckmann@amd.com 4688580Ssteve.reinhardt@amd.com if (params->work_end_exit_count != 0 && 4698580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_exit_count) { 4707914SBrad.Beckmann@amd.com // 4717914SBrad.Beckmann@amd.com // If total work items completed equals exit count, exit simulation 4727914SBrad.Beckmann@amd.com // 4738580Ssteve.reinhardt@amd.com exitSimLoop("work items exit count reached"); 4747914SBrad.Beckmann@amd.com } 4757914SBrad.Beckmann@amd.com } 4767914SBrad.Beckmann@amd.com} 4777914SBrad.Beckmann@amd.com 4787811Ssteve.reinhardt@amd.com} // namespace PseudoInst 479