pseudo_inst.cc revision 8734
1298SN/A/* 28734Sdam.sunwoo@arm.com * Copyright (c) 2010-2011 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 512170SN/A#include "arch/vtophys.hh" 525882Snate@binkert.org#include "base/debug.hh" 538734Sdam.sunwoo@arm.com#include "base/output.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" 706118Snate@binkert.org 715780Ssteve.reinhardt@amd.com#if FULL_SYSTEM 726118Snate@binkert.org#include "arch/kernel_stats.hh" 732080SN/A#include "sim/vptr.hh" 745780Ssteve.reinhardt@amd.com#endif 75298SN/A 76299SN/Ausing namespace std; 771052SN/A 78729SN/Ausing namespace Stats; 792107SN/Ausing namespace TheISA; 80298SN/A 815504Snate@binkert.orgnamespace PseudoInst { 825504Snate@binkert.org 835780Ssteve.reinhardt@amd.com#if FULL_SYSTEM 845780Ssteve.reinhardt@amd.com 855504Snate@binkert.orgvoid 865504Snate@binkert.orgarm(ThreadContext *tc) 87298SN/A{ 885504Snate@binkert.org if (tc->getKernelStats()) 895504Snate@binkert.org tc->getKernelStats()->arm(); 905504Snate@binkert.org} 915504Snate@binkert.org 925504Snate@binkert.orgvoid 935504Snate@binkert.orgquiesce(ThreadContext *tc) 945504Snate@binkert.org{ 955529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_quiesce) 965504Snate@binkert.org return; 975504Snate@binkert.org 985504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name()); 995504Snate@binkert.org 1005504Snate@binkert.org tc->suspend(); 1015504Snate@binkert.org if (tc->getKernelStats()) 1025504Snate@binkert.org tc->getKernelStats()->quiesce(); 1035504Snate@binkert.org} 1045504Snate@binkert.org 1055504Snate@binkert.orgvoid 1068142SAli.Saidi@ARM.comquiesceSkip(ThreadContext *tc) 1078142SAli.Saidi@ARM.com{ 1088142SAli.Saidi@ARM.com BaseCPU *cpu = tc->getCpuPtr(); 1098142SAli.Saidi@ARM.com 1108142SAli.Saidi@ARM.com if (!cpu->params()->do_quiesce) 1118142SAli.Saidi@ARM.com return; 1128142SAli.Saidi@ARM.com 1138142SAli.Saidi@ARM.com EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1148142SAli.Saidi@ARM.com 1158142SAli.Saidi@ARM.com Tick resume = curTick() + 1; 1168142SAli.Saidi@ARM.com 1178142SAli.Saidi@ARM.com cpu->reschedule(quiesceEvent, resume, true); 1188142SAli.Saidi@ARM.com 1198142SAli.Saidi@ARM.com DPRINTF(Quiesce, "%s: quiesceSkip() until %d\n", 1208142SAli.Saidi@ARM.com cpu->name(), resume); 1218142SAli.Saidi@ARM.com 1228142SAli.Saidi@ARM.com tc->suspend(); 1238142SAli.Saidi@ARM.com if (tc->getKernelStats()) 1248142SAli.Saidi@ARM.com tc->getKernelStats()->quiesce(); 1258142SAli.Saidi@ARM.com} 1268142SAli.Saidi@ARM.com 1278142SAli.Saidi@ARM.comvoid 1285504Snate@binkert.orgquiesceNs(ThreadContext *tc, uint64_t ns) 1295504Snate@binkert.org{ 1307819Ssteve.reinhardt@amd.com BaseCPU *cpu = tc->getCpuPtr(); 1317819Ssteve.reinhardt@amd.com 1327819Ssteve.reinhardt@amd.com if (!cpu->params()->do_quiesce || ns == 0) 1335504Snate@binkert.org return; 1345504Snate@binkert.org 1355504Snate@binkert.org EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1365504Snate@binkert.org 1377823Ssteve.reinhardt@amd.com Tick resume = curTick() + SimClock::Int::ns * ns; 1385504Snate@binkert.org 1397819Ssteve.reinhardt@amd.com cpu->reschedule(quiesceEvent, resume, true); 1405504Snate@binkert.org 1415504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n", 1427819Ssteve.reinhardt@amd.com cpu->name(), ns, resume); 1435504Snate@binkert.org 1445504Snate@binkert.org tc->suspend(); 1455504Snate@binkert.org if (tc->getKernelStats()) 1465504Snate@binkert.org tc->getKernelStats()->quiesce(); 1475504Snate@binkert.org} 1485504Snate@binkert.org 1495504Snate@binkert.orgvoid 1505504Snate@binkert.orgquiesceCycles(ThreadContext *tc, uint64_t cycles) 1515504Snate@binkert.org{ 1527819Ssteve.reinhardt@amd.com BaseCPU *cpu = tc->getCpuPtr(); 1537819Ssteve.reinhardt@amd.com 1547819Ssteve.reinhardt@amd.com if (!cpu->params()->do_quiesce || cycles == 0) 1555504Snate@binkert.org return; 1565504Snate@binkert.org 1575504Snate@binkert.org EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1585504Snate@binkert.org 1597823Ssteve.reinhardt@amd.com Tick resume = curTick() + cpu->ticks(cycles); 1605504Snate@binkert.org 1617819Ssteve.reinhardt@amd.com cpu->reschedule(quiesceEvent, resume, true); 1625504Snate@binkert.org 1635504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n", 1647819Ssteve.reinhardt@amd.com cpu->name(), cycles, resume); 1655504Snate@binkert.org 1665504Snate@binkert.org tc->suspend(); 1675504Snate@binkert.org if (tc->getKernelStats()) 1685504Snate@binkert.org tc->getKernelStats()->quiesce(); 1695504Snate@binkert.org} 1705504Snate@binkert.org 1715504Snate@binkert.orguint64_t 1725504Snate@binkert.orgquiesceTime(ThreadContext *tc) 1735504Snate@binkert.org{ 1747064Snate@binkert.org return (tc->readLastActivate() - tc->readLastSuspend()) / 1757064Snate@binkert.org SimClock::Int::ns; 1765504Snate@binkert.org} 1775504Snate@binkert.org 1785780Ssteve.reinhardt@amd.com#endif 1795780Ssteve.reinhardt@amd.com 1805741Snate@binkert.orguint64_t 1815741Snate@binkert.orgrpns(ThreadContext *tc) 1825741Snate@binkert.org{ 1837823Ssteve.reinhardt@amd.com return curTick() / SimClock::Int::ns; 1845741Snate@binkert.org} 1855741Snate@binkert.org 1865504Snate@binkert.orgvoid 1875808Snate@binkert.orgwakeCPU(ThreadContext *tc, uint64_t cpuid) 1885808Snate@binkert.org{ 1895808Snate@binkert.org System *sys = tc->getSystemPtr(); 1905808Snate@binkert.org ThreadContext *other_tc = sys->threadContexts[cpuid]; 1915808Snate@binkert.org if (other_tc->status() == ThreadContext::Suspended) 1925808Snate@binkert.org other_tc->activate(); 1935808Snate@binkert.org} 1945808Snate@binkert.org 1955808Snate@binkert.orgvoid 1965504Snate@binkert.orgm5exit(ThreadContext *tc, Tick delay) 1975504Snate@binkert.org{ 1987823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 1997819Ssteve.reinhardt@amd.com exitSimLoop("m5_exit instruction encountered", 0, when); 2005504Snate@binkert.org} 2015504Snate@binkert.org 2025780Ssteve.reinhardt@amd.com#if FULL_SYSTEM 2035780Ssteve.reinhardt@amd.com 2045504Snate@binkert.orgvoid 2055504Snate@binkert.orgloadsymbol(ThreadContext *tc) 2065504Snate@binkert.org{ 2075504Snate@binkert.org const string &filename = tc->getCpuPtr()->system->params()->symbolfile; 2085504Snate@binkert.org if (filename.empty()) { 2095504Snate@binkert.org return; 210711SN/A } 211711SN/A 2125504Snate@binkert.org std::string buffer; 2135504Snate@binkert.org ifstream file(filename.c_str()); 214310SN/A 2155504Snate@binkert.org if (!file) 2165504Snate@binkert.org fatal("file error: Can't open symbol table file %s\n", filename); 2173373Sstever@eecs.umich.edu 2185504Snate@binkert.org while (!file.eof()) { 2195504Snate@binkert.org getline(file, buffer); 2205504Snate@binkert.org 2215504Snate@binkert.org if (buffer.empty()) 2225504Snate@binkert.org continue; 2235504Snate@binkert.org 2246227Snate@binkert.org string::size_type idx = buffer.find(' '); 2255504Snate@binkert.org if (idx == string::npos) 2265504Snate@binkert.org continue; 2275504Snate@binkert.org 2285504Snate@binkert.org string address = "0x" + buffer.substr(0, idx); 2295504Snate@binkert.org eat_white(address); 2305504Snate@binkert.org if (address.empty()) 2315504Snate@binkert.org continue; 2325504Snate@binkert.org 2335504Snate@binkert.org // Skip over letter and space 2345504Snate@binkert.org string symbol = buffer.substr(idx + 3); 2355504Snate@binkert.org eat_white(symbol); 2365504Snate@binkert.org if (symbol.empty()) 2375504Snate@binkert.org continue; 2385504Snate@binkert.org 2395504Snate@binkert.org Addr addr; 2405504Snate@binkert.org if (!to_number(address, addr)) 2415504Snate@binkert.org continue; 2425504Snate@binkert.org 2435504Snate@binkert.org if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol)) 2445504Snate@binkert.org continue; 2455504Snate@binkert.org 2465504Snate@binkert.org 2475504Snate@binkert.org DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 2485504Snate@binkert.org } 2495504Snate@binkert.org file.close(); 2505504Snate@binkert.org} 2515504Snate@binkert.org 2525504Snate@binkert.orgvoid 2535780Ssteve.reinhardt@amd.comaddsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr) 2545780Ssteve.reinhardt@amd.com{ 2555780Ssteve.reinhardt@amd.com char symb[100]; 2565780Ssteve.reinhardt@amd.com CopyStringOut(tc, symb, symbolAddr, 100); 2575780Ssteve.reinhardt@amd.com std::string symbol(symb); 2585780Ssteve.reinhardt@amd.com 2595780Ssteve.reinhardt@amd.com DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 2605780Ssteve.reinhardt@amd.com 2615780Ssteve.reinhardt@amd.com tc->getSystemPtr()->kernelSymtab->insert(addr,symbol); 2625952Ssaidi@eecs.umich.edu debugSymbolTable->insert(addr,symbol); 2635780Ssteve.reinhardt@amd.com} 2645780Ssteve.reinhardt@amd.com 2658555Sgblack@eecs.umich.eduuint64_t 2668555Sgblack@eecs.umich.eduinitParam(ThreadContext *tc) 2678555Sgblack@eecs.umich.edu{ 2688555Sgblack@eecs.umich.edu return tc->getCpuPtr()->system->init_param; 2698555Sgblack@eecs.umich.edu} 2708555Sgblack@eecs.umich.edu 2715780Ssteve.reinhardt@amd.com#endif 2725780Ssteve.reinhardt@amd.com 2735780Ssteve.reinhardt@amd.com 2745780Ssteve.reinhardt@amd.comvoid 2755504Snate@binkert.orgresetstats(ThreadContext *tc, Tick delay, Tick period) 2765504Snate@binkert.org{ 2775529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 2785504Snate@binkert.org return; 2795504Snate@binkert.org 2805504Snate@binkert.org 2817823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 2827064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 2835504Snate@binkert.org 2847822Ssteve.reinhardt@amd.com Stats::schedStatEvent(false, true, when, repeat); 2855504Snate@binkert.org} 2865504Snate@binkert.org 2875504Snate@binkert.orgvoid 2885504Snate@binkert.orgdumpstats(ThreadContext *tc, Tick delay, Tick period) 2895504Snate@binkert.org{ 2905529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 2915504Snate@binkert.org return; 2925504Snate@binkert.org 2935504Snate@binkert.org 2947823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 2957064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 2965504Snate@binkert.org 2977822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, false, when, repeat); 2985504Snate@binkert.org} 2995504Snate@binkert.org 3005504Snate@binkert.orgvoid 3015504Snate@binkert.orgdumpresetstats(ThreadContext *tc, Tick delay, Tick period) 3025504Snate@binkert.org{ 3035529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 3045504Snate@binkert.org return; 3055504Snate@binkert.org 3065504Snate@binkert.org 3077823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 3087064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 3095504Snate@binkert.org 3107822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, true, when, repeat); 3115504Snate@binkert.org} 3125504Snate@binkert.org 3135504Snate@binkert.orgvoid 3145504Snate@binkert.orgm5checkpoint(ThreadContext *tc, Tick delay, Tick period) 3155504Snate@binkert.org{ 3165529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_checkpoint_insts) 3175504Snate@binkert.org return; 3185504Snate@binkert.org 3197823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 3207064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 3215504Snate@binkert.org 3227819Ssteve.reinhardt@amd.com exitSimLoop("checkpoint", 0, when, repeat); 3235504Snate@binkert.org} 3245504Snate@binkert.org 3255780Ssteve.reinhardt@amd.com#if FULL_SYSTEM 3265780Ssteve.reinhardt@amd.com 3275504Snate@binkert.orguint64_t 3285504Snate@binkert.orgreadfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset) 3295504Snate@binkert.org{ 3305504Snate@binkert.org const string &file = tc->getSystemPtr()->params()->readfile; 3315504Snate@binkert.org if (file.empty()) { 3325504Snate@binkert.org return ULL(0); 333310SN/A } 334299SN/A 3355504Snate@binkert.org uint64_t result = 0; 3362188SN/A 3375504Snate@binkert.org int fd = ::open(file.c_str(), O_RDONLY, 0); 3385504Snate@binkert.org if (fd < 0) 3395504Snate@binkert.org panic("could not open file %s\n", file); 3402235SN/A 3415504Snate@binkert.org if (::lseek(fd, offset, SEEK_SET) < 0) 3425504Snate@binkert.org panic("could not seek: %s", strerror(errno)); 3433368Sstever@eecs.umich.edu 3445504Snate@binkert.org char *buf = new char[len]; 3455504Snate@binkert.org char *p = buf; 3465504Snate@binkert.org while (len > 0) { 3475504Snate@binkert.org int bytes = ::read(fd, p, len); 3485504Snate@binkert.org if (bytes <= 0) 3495504Snate@binkert.org break; 3503368Sstever@eecs.umich.edu 3515504Snate@binkert.org p += bytes; 3525504Snate@binkert.org result += bytes; 3535504Snate@binkert.org len -= bytes; 3542188SN/A } 3552188SN/A 3565504Snate@binkert.org close(fd); 3575504Snate@binkert.org CopyIn(tc, vaddr, buf, result); 3585504Snate@binkert.org delete [] buf; 3595504Snate@binkert.org return result; 3605504Snate@binkert.org} 3612188SN/A 3628734Sdam.sunwoo@arm.comuint64_t 3638734Sdam.sunwoo@arm.comwritefile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset, 3648734Sdam.sunwoo@arm.com Addr filename_addr) 3658734Sdam.sunwoo@arm.com{ 3668734Sdam.sunwoo@arm.com ostream *os; 3678734Sdam.sunwoo@arm.com 3688734Sdam.sunwoo@arm.com // copy out target filename 3698734Sdam.sunwoo@arm.com char fn[100]; 3708734Sdam.sunwoo@arm.com std::string filename; 3718734Sdam.sunwoo@arm.com CopyStringOut(tc, fn, filename_addr, 100); 3728734Sdam.sunwoo@arm.com filename = std::string(fn); 3738734Sdam.sunwoo@arm.com 3748734Sdam.sunwoo@arm.com if (offset == 0) { 3758734Sdam.sunwoo@arm.com // create a new file (truncate) 3768734Sdam.sunwoo@arm.com os = simout.create(filename, true); 3778734Sdam.sunwoo@arm.com } else { 3788734Sdam.sunwoo@arm.com // do not truncate file if offset is non-zero 3798734Sdam.sunwoo@arm.com // (ios::in flag is required as well to keep the existing data 3808734Sdam.sunwoo@arm.com // intact, otherwise existing data will be zeroed out.) 3818734Sdam.sunwoo@arm.com os = simout.openFile(simout.directory() + filename, 3828734Sdam.sunwoo@arm.com ios::in | ios::out | ios::binary); 3838734Sdam.sunwoo@arm.com } 3848734Sdam.sunwoo@arm.com if (!os) 3858734Sdam.sunwoo@arm.com panic("could not open file %s\n", filename); 3868734Sdam.sunwoo@arm.com 3878734Sdam.sunwoo@arm.com // seek to offset 3888734Sdam.sunwoo@arm.com os->seekp(offset); 3898734Sdam.sunwoo@arm.com 3908734Sdam.sunwoo@arm.com // copy out data and write to file 3918734Sdam.sunwoo@arm.com char *buf = new char[len]; 3928734Sdam.sunwoo@arm.com CopyOut(tc, buf, vaddr, len); 3938734Sdam.sunwoo@arm.com os->write(buf, len); 3948734Sdam.sunwoo@arm.com if (os->fail() || os->bad()) 3958734Sdam.sunwoo@arm.com panic("Error while doing writefile!\n"); 3968734Sdam.sunwoo@arm.com 3978734Sdam.sunwoo@arm.com simout.close(os); 3988734Sdam.sunwoo@arm.com 3998734Sdam.sunwoo@arm.com delete [] buf; 4008734Sdam.sunwoo@arm.com 4018734Sdam.sunwoo@arm.com return len; 4028734Sdam.sunwoo@arm.com} 4038734Sdam.sunwoo@arm.com 4045780Ssteve.reinhardt@amd.com#endif 4055780Ssteve.reinhardt@amd.com 4065504Snate@binkert.orgvoid 4075504Snate@binkert.orgdebugbreak(ThreadContext *tc) 4085504Snate@binkert.org{ 4098231Snate@binkert.org Debug::breakpoint(); 4105504Snate@binkert.org} 4112235SN/A 4125504Snate@binkert.orgvoid 4135504Snate@binkert.orgswitchcpu(ThreadContext *tc) 4145504Snate@binkert.org{ 4155504Snate@binkert.org exitSimLoop("switchcpu"); 4165504Snate@binkert.org} 4173368Sstever@eecs.umich.edu 4187914SBrad.Beckmann@amd.com// 4197914SBrad.Beckmann@amd.com// This function is executed when annotated work items begin. Depending on 4207914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 4217914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item begins. 4227914SBrad.Beckmann@amd.com// 4237914SBrad.Beckmann@amd.comvoid 4247914SBrad.Beckmann@amd.comworkbegin(ThreadContext *tc, uint64_t workid, uint64_t threadid) 4257914SBrad.Beckmann@amd.com{ 4267914SBrad.Beckmann@amd.com tc->getCpuPtr()->workItemBegin(); 4277914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 4288580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 4298666SPrakash.Ramrakhyani@arm.com sys->workItemBegin(threadid, workid); 4307914SBrad.Beckmann@amd.com 4317914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work Begin workid: %d, threadid %d\n", workid, 4327914SBrad.Beckmann@amd.com threadid); 4337914SBrad.Beckmann@amd.com 4347914SBrad.Beckmann@amd.com // 4357914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 4367914SBrad.Beckmann@amd.com // identified 4377914SBrad.Beckmann@amd.com // 4388580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 4397914SBrad.Beckmann@amd.com 4407914SBrad.Beckmann@amd.com uint64_t systemWorkBeginCount = sys->incWorkItemsBegin(); 4417914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 4427914SBrad.Beckmann@amd.com 4438580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 4448580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 4457914SBrad.Beckmann@amd.com // 4467914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 4477914SBrad.Beckmann@amd.com // 4488580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 4497914SBrad.Beckmann@amd.com } 4507914SBrad.Beckmann@amd.com 4518580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_ckpt_count) { 4527914SBrad.Beckmann@amd.com // 4537914SBrad.Beckmann@amd.com // Note: the string specified as the cause of the exit event must 4547914SBrad.Beckmann@amd.com // exactly equal "checkpoint" inorder to create a checkpoint 4557914SBrad.Beckmann@amd.com // 4568580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 4577914SBrad.Beckmann@amd.com } 4587914SBrad.Beckmann@amd.com 4598580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_exit_count) { 4607914SBrad.Beckmann@amd.com // 4617914SBrad.Beckmann@amd.com // If a certain number of work items started, exit simulation 4627914SBrad.Beckmann@amd.com // 4638580Ssteve.reinhardt@amd.com exitSimLoop("work started count reach"); 4647914SBrad.Beckmann@amd.com } 4657914SBrad.Beckmann@amd.com 4668580Ssteve.reinhardt@amd.com if (cpuId == params->work_begin_cpu_id_exit) { 4677914SBrad.Beckmann@amd.com // 4688580Ssteve.reinhardt@amd.com // If work started on the cpu id specified, exit simulation 4697914SBrad.Beckmann@amd.com // 4708580Ssteve.reinhardt@amd.com exitSimLoop("work started on specific cpu"); 4717914SBrad.Beckmann@amd.com } 4727914SBrad.Beckmann@amd.com } 4737914SBrad.Beckmann@amd.com} 4747914SBrad.Beckmann@amd.com 4757914SBrad.Beckmann@amd.com// 4767914SBrad.Beckmann@amd.com// This function is executed when annotated work items end. Depending on 4777914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 4787914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item ends. 4797914SBrad.Beckmann@amd.com// 4807914SBrad.Beckmann@amd.comvoid 4817914SBrad.Beckmann@amd.comworkend(ThreadContext *tc, uint64_t workid, uint64_t threadid) 4827914SBrad.Beckmann@amd.com{ 4837914SBrad.Beckmann@amd.com tc->getCpuPtr()->workItemEnd(); 4847914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 4858580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 4868666SPrakash.Ramrakhyani@arm.com sys->workItemEnd(threadid, workid); 4877914SBrad.Beckmann@amd.com 4887914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work End workid: %d, threadid %d\n", workid, threadid); 4897914SBrad.Beckmann@amd.com 4907914SBrad.Beckmann@amd.com // 4917914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 4927914SBrad.Beckmann@amd.com // identified 4937914SBrad.Beckmann@amd.com // 4948580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 4957914SBrad.Beckmann@amd.com 4967914SBrad.Beckmann@amd.com uint64_t systemWorkEndCount = sys->incWorkItemsEnd(); 4977914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 4987914SBrad.Beckmann@amd.com 4998580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 5008580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 5017914SBrad.Beckmann@amd.com // 5027914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 5037914SBrad.Beckmann@amd.com // 5048580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 5057914SBrad.Beckmann@amd.com } 5067914SBrad.Beckmann@amd.com 5078580Ssteve.reinhardt@amd.com if (params->work_end_ckpt_count != 0 && 5088580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_ckpt_count) { 5097914SBrad.Beckmann@amd.com // 5107914SBrad.Beckmann@amd.com // If total work items completed equals checkpoint count, create 5117914SBrad.Beckmann@amd.com // checkpoint 5127914SBrad.Beckmann@amd.com // 5138580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 5147914SBrad.Beckmann@amd.com } 5157914SBrad.Beckmann@amd.com 5168580Ssteve.reinhardt@amd.com if (params->work_end_exit_count != 0 && 5178580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_exit_count) { 5187914SBrad.Beckmann@amd.com // 5197914SBrad.Beckmann@amd.com // If total work items completed equals exit count, exit simulation 5207914SBrad.Beckmann@amd.com // 5218580Ssteve.reinhardt@amd.com exitSimLoop("work items exit count reached"); 5227914SBrad.Beckmann@amd.com } 5237914SBrad.Beckmann@amd.com } 5247914SBrad.Beckmann@amd.com} 5257914SBrad.Beckmann@amd.com 5267811Ssteve.reinhardt@amd.com} // namespace PseudoInst 527