pseudo_inst.cc revision 9180
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 518777Sgblack@eecs.umich.edu#include "arch/kernel_stats.hh" 522170SN/A#include "arch/vtophys.hh" 535882Snate@binkert.org#include "base/debug.hh" 548734Sdam.sunwoo@arm.com#include "base/output.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" 638784Sgblack@eecs.umich.edu#include "sim/full_system.hh" 643565Sgblack@eecs.umich.edu#include "sim/pseudo_inst.hh" 65298SN/A#include "sim/serialize.hh" 665606Snate@binkert.org#include "sim/sim_events.hh" 67298SN/A#include "sim/sim_exit.hh" 68695SN/A#include "sim/stat_control.hh" 69695SN/A#include "sim/stats.hh" 70954SN/A#include "sim/system.hh" 712080SN/A#include "sim/vptr.hh" 72298SN/A 73299SN/Ausing namespace std; 741052SN/A 75729SN/Ausing namespace Stats; 762107SN/Ausing namespace TheISA; 77298SN/A 785504Snate@binkert.orgnamespace PseudoInst { 795504Snate@binkert.org 808784Sgblack@eecs.umich.edustatic inline void 818784Sgblack@eecs.umich.edupanicFsOnlyPseudoInst(const char *name) 828784Sgblack@eecs.umich.edu{ 838784Sgblack@eecs.umich.edu panic("Pseudo inst \"%s\" is only available in Full System mode."); 848784Sgblack@eecs.umich.edu} 855780Ssteve.reinhardt@amd.com 865504Snate@binkert.orgvoid 875504Snate@binkert.orgarm(ThreadContext *tc) 88298SN/A{ 898806Sgblack@eecs.umich.edu if (!FullSystem) 908784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("arm"); 918806Sgblack@eecs.umich.edu 925504Snate@binkert.org if (tc->getKernelStats()) 935504Snate@binkert.org tc->getKernelStats()->arm(); 945504Snate@binkert.org} 955504Snate@binkert.org 965504Snate@binkert.orgvoid 975504Snate@binkert.orgquiesce(ThreadContext *tc) 985504Snate@binkert.org{ 998806Sgblack@eecs.umich.edu if (!FullSystem) 1008806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("quiesce"); 1018666SPrakash.Ramrakhyani@arm.com 1025529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_quiesce) 1035504Snate@binkert.org return; 1045504Snate@binkert.org 1055504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesce()\n", tc->getCpuPtr()->name()); 1065504Snate@binkert.org 1075504Snate@binkert.org tc->suspend(); 1085504Snate@binkert.org if (tc->getKernelStats()) 1095504Snate@binkert.org tc->getKernelStats()->quiesce(); 1105504Snate@binkert.org} 1115504Snate@binkert.org 1125504Snate@binkert.orgvoid 1138142SAli.Saidi@ARM.comquiesceSkip(ThreadContext *tc) 1148142SAli.Saidi@ARM.com{ 1158806Sgblack@eecs.umich.edu if (!FullSystem) 1168806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("quiesceSkip"); 1178666SPrakash.Ramrakhyani@arm.com 1188142SAli.Saidi@ARM.com BaseCPU *cpu = tc->getCpuPtr(); 1198142SAli.Saidi@ARM.com 1208142SAli.Saidi@ARM.com if (!cpu->params()->do_quiesce) 1218142SAli.Saidi@ARM.com return; 1228142SAli.Saidi@ARM.com 1238142SAli.Saidi@ARM.com EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1248142SAli.Saidi@ARM.com 1258142SAli.Saidi@ARM.com Tick resume = curTick() + 1; 1268142SAli.Saidi@ARM.com 1278142SAli.Saidi@ARM.com cpu->reschedule(quiesceEvent, resume, true); 1288142SAli.Saidi@ARM.com 1298142SAli.Saidi@ARM.com DPRINTF(Quiesce, "%s: quiesceSkip() until %d\n", 1308142SAli.Saidi@ARM.com cpu->name(), resume); 1318142SAli.Saidi@ARM.com 1328142SAli.Saidi@ARM.com tc->suspend(); 1338142SAli.Saidi@ARM.com if (tc->getKernelStats()) 1348142SAli.Saidi@ARM.com tc->getKernelStats()->quiesce(); 1358142SAli.Saidi@ARM.com} 1368142SAli.Saidi@ARM.com 1378142SAli.Saidi@ARM.comvoid 1385504Snate@binkert.orgquiesceNs(ThreadContext *tc, uint64_t ns) 1395504Snate@binkert.org{ 1408806Sgblack@eecs.umich.edu if (!FullSystem) 1418806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("quiesceNs"); 1428666SPrakash.Ramrakhyani@arm.com 1437819Ssteve.reinhardt@amd.com BaseCPU *cpu = tc->getCpuPtr(); 1447819Ssteve.reinhardt@amd.com 1457819Ssteve.reinhardt@amd.com if (!cpu->params()->do_quiesce || ns == 0) 1465504Snate@binkert.org return; 1475504Snate@binkert.org 1485504Snate@binkert.org EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1495504Snate@binkert.org 1507823Ssteve.reinhardt@amd.com Tick resume = curTick() + SimClock::Int::ns * ns; 1515504Snate@binkert.org 1527819Ssteve.reinhardt@amd.com cpu->reschedule(quiesceEvent, resume, true); 1535504Snate@binkert.org 1545504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesceNs(%d) until %d\n", 1557819Ssteve.reinhardt@amd.com cpu->name(), ns, resume); 1565504Snate@binkert.org 1575504Snate@binkert.org tc->suspend(); 1585504Snate@binkert.org if (tc->getKernelStats()) 1595504Snate@binkert.org tc->getKernelStats()->quiesce(); 1605504Snate@binkert.org} 1615504Snate@binkert.org 1625504Snate@binkert.orgvoid 1635504Snate@binkert.orgquiesceCycles(ThreadContext *tc, uint64_t cycles) 1645504Snate@binkert.org{ 1658806Sgblack@eecs.umich.edu if (!FullSystem) 1668806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("quiesceCycles"); 1678666SPrakash.Ramrakhyani@arm.com 1687819Ssteve.reinhardt@amd.com BaseCPU *cpu = tc->getCpuPtr(); 1697819Ssteve.reinhardt@amd.com 1707819Ssteve.reinhardt@amd.com if (!cpu->params()->do_quiesce || cycles == 0) 1715504Snate@binkert.org return; 1725504Snate@binkert.org 1735504Snate@binkert.org EndQuiesceEvent *quiesceEvent = tc->getQuiesceEvent(); 1745504Snate@binkert.org 1759180Sandreas.hansson@arm.com Tick resume = cpu->clockEdge(Cycles(cycles)); 1765504Snate@binkert.org 1777819Ssteve.reinhardt@amd.com cpu->reschedule(quiesceEvent, resume, true); 1785504Snate@binkert.org 1795504Snate@binkert.org DPRINTF(Quiesce, "%s: quiesceCycles(%d) until %d\n", 1807819Ssteve.reinhardt@amd.com cpu->name(), cycles, resume); 1815504Snate@binkert.org 1825504Snate@binkert.org tc->suspend(); 1835504Snate@binkert.org if (tc->getKernelStats()) 1845504Snate@binkert.org tc->getKernelStats()->quiesce(); 1855504Snate@binkert.org} 1865504Snate@binkert.org 1875504Snate@binkert.orguint64_t 1885504Snate@binkert.orgquiesceTime(ThreadContext *tc) 1895504Snate@binkert.org{ 1908806Sgblack@eecs.umich.edu if (!FullSystem) { 1918784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("quiesceTime"); 1928784Sgblack@eecs.umich.edu return 0; 1938784Sgblack@eecs.umich.edu } 1948806Sgblack@eecs.umich.edu 1957064Snate@binkert.org return (tc->readLastActivate() - tc->readLastSuspend()) / 1967064Snate@binkert.org SimClock::Int::ns; 1975504Snate@binkert.org} 1985504Snate@binkert.org 1995741Snate@binkert.orguint64_t 2005741Snate@binkert.orgrpns(ThreadContext *tc) 2015741Snate@binkert.org{ 2027823Ssteve.reinhardt@amd.com return curTick() / SimClock::Int::ns; 2035741Snate@binkert.org} 2045741Snate@binkert.org 2055504Snate@binkert.orgvoid 2065808Snate@binkert.orgwakeCPU(ThreadContext *tc, uint64_t cpuid) 2075808Snate@binkert.org{ 2085808Snate@binkert.org System *sys = tc->getSystemPtr(); 2095808Snate@binkert.org ThreadContext *other_tc = sys->threadContexts[cpuid]; 2105808Snate@binkert.org if (other_tc->status() == ThreadContext::Suspended) 2115808Snate@binkert.org other_tc->activate(); 2125808Snate@binkert.org} 2135808Snate@binkert.org 2145808Snate@binkert.orgvoid 2155504Snate@binkert.orgm5exit(ThreadContext *tc, Tick delay) 2165504Snate@binkert.org{ 2177823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 2187819Ssteve.reinhardt@amd.com exitSimLoop("m5_exit instruction encountered", 0, when); 2195504Snate@binkert.org} 2205504Snate@binkert.org 2215504Snate@binkert.orgvoid 2225504Snate@binkert.orgloadsymbol(ThreadContext *tc) 2235504Snate@binkert.org{ 2248806Sgblack@eecs.umich.edu if (!FullSystem) 2258806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("loadsymbol"); 2268784Sgblack@eecs.umich.edu 2275504Snate@binkert.org const string &filename = tc->getCpuPtr()->system->params()->symbolfile; 2285504Snate@binkert.org if (filename.empty()) { 2295504Snate@binkert.org return; 230711SN/A } 231711SN/A 2325504Snate@binkert.org std::string buffer; 2335504Snate@binkert.org ifstream file(filename.c_str()); 234310SN/A 2355504Snate@binkert.org if (!file) 2365504Snate@binkert.org fatal("file error: Can't open symbol table file %s\n", filename); 2373373Sstever@eecs.umich.edu 2385504Snate@binkert.org while (!file.eof()) { 2395504Snate@binkert.org getline(file, buffer); 2405504Snate@binkert.org 2415504Snate@binkert.org if (buffer.empty()) 2425504Snate@binkert.org continue; 2435504Snate@binkert.org 2446227Snate@binkert.org string::size_type idx = buffer.find(' '); 2455504Snate@binkert.org if (idx == string::npos) 2465504Snate@binkert.org continue; 2475504Snate@binkert.org 2485504Snate@binkert.org string address = "0x" + buffer.substr(0, idx); 2495504Snate@binkert.org eat_white(address); 2505504Snate@binkert.org if (address.empty()) 2515504Snate@binkert.org continue; 2525504Snate@binkert.org 2535504Snate@binkert.org // Skip over letter and space 2545504Snate@binkert.org string symbol = buffer.substr(idx + 3); 2555504Snate@binkert.org eat_white(symbol); 2565504Snate@binkert.org if (symbol.empty()) 2575504Snate@binkert.org continue; 2585504Snate@binkert.org 2595504Snate@binkert.org Addr addr; 2605504Snate@binkert.org if (!to_number(address, addr)) 2615504Snate@binkert.org continue; 2625504Snate@binkert.org 2635504Snate@binkert.org if (!tc->getSystemPtr()->kernelSymtab->insert(addr, symbol)) 2645504Snate@binkert.org continue; 2655504Snate@binkert.org 2665504Snate@binkert.org 2675504Snate@binkert.org DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 2685504Snate@binkert.org } 2695504Snate@binkert.org file.close(); 2705504Snate@binkert.org} 2715504Snate@binkert.org 2725504Snate@binkert.orgvoid 2735780Ssteve.reinhardt@amd.comaddsymbol(ThreadContext *tc, Addr addr, Addr symbolAddr) 2745780Ssteve.reinhardt@amd.com{ 2758806Sgblack@eecs.umich.edu if (!FullSystem) 2768806Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("addSymbol"); 2778666SPrakash.Ramrakhyani@arm.com 2785780Ssteve.reinhardt@amd.com char symb[100]; 2795780Ssteve.reinhardt@amd.com CopyStringOut(tc, symb, symbolAddr, 100); 2805780Ssteve.reinhardt@amd.com std::string symbol(symb); 2815780Ssteve.reinhardt@amd.com 2825780Ssteve.reinhardt@amd.com DPRINTF(Loader, "Loaded symbol: %s @ %#llx\n", symbol, addr); 2835780Ssteve.reinhardt@amd.com 2845780Ssteve.reinhardt@amd.com tc->getSystemPtr()->kernelSymtab->insert(addr,symbol); 2855952Ssaidi@eecs.umich.edu debugSymbolTable->insert(addr,symbol); 2865780Ssteve.reinhardt@amd.com} 2875780Ssteve.reinhardt@amd.com 2888555Sgblack@eecs.umich.eduuint64_t 2898555Sgblack@eecs.umich.eduinitParam(ThreadContext *tc) 2908555Sgblack@eecs.umich.edu{ 2918806Sgblack@eecs.umich.edu if (!FullSystem) { 2928784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("initParam"); 2938784Sgblack@eecs.umich.edu return 0; 2948784Sgblack@eecs.umich.edu } 2958806Sgblack@eecs.umich.edu 2968555Sgblack@eecs.umich.edu return tc->getCpuPtr()->system->init_param; 2978555Sgblack@eecs.umich.edu} 2988555Sgblack@eecs.umich.edu 2995780Ssteve.reinhardt@amd.com 3005780Ssteve.reinhardt@amd.comvoid 3015504Snate@binkert.orgresetstats(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(false, true, when, repeat); 3115504Snate@binkert.org} 3125504Snate@binkert.org 3135504Snate@binkert.orgvoid 3145504Snate@binkert.orgdumpstats(ThreadContext *tc, Tick delay, Tick period) 3155504Snate@binkert.org{ 3165529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 3175504Snate@binkert.org return; 3185504Snate@binkert.org 3195504Snate@binkert.org 3207823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 3217064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 3225504Snate@binkert.org 3237822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, false, when, repeat); 3245504Snate@binkert.org} 3255504Snate@binkert.org 3265504Snate@binkert.orgvoid 3275504Snate@binkert.orgdumpresetstats(ThreadContext *tc, Tick delay, Tick period) 3285504Snate@binkert.org{ 3295529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_statistics_insts) 3305504Snate@binkert.org return; 3315504Snate@binkert.org 3325504Snate@binkert.org 3337823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 3347064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 3355504Snate@binkert.org 3367822Ssteve.reinhardt@amd.com Stats::schedStatEvent(true, true, when, repeat); 3375504Snate@binkert.org} 3385504Snate@binkert.org 3395504Snate@binkert.orgvoid 3405504Snate@binkert.orgm5checkpoint(ThreadContext *tc, Tick delay, Tick period) 3415504Snate@binkert.org{ 3425529Snate@binkert.org if (!tc->getCpuPtr()->params()->do_checkpoint_insts) 3435504Snate@binkert.org return; 3445504Snate@binkert.org 3457823Ssteve.reinhardt@amd.com Tick when = curTick() + delay * SimClock::Int::ns; 3467064Snate@binkert.org Tick repeat = period * SimClock::Int::ns; 3475504Snate@binkert.org 3487819Ssteve.reinhardt@amd.com exitSimLoop("checkpoint", 0, when, repeat); 3495504Snate@binkert.org} 3505504Snate@binkert.org 3515504Snate@binkert.orguint64_t 3525504Snate@binkert.orgreadfile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset) 3535504Snate@binkert.org{ 3548806Sgblack@eecs.umich.edu if (!FullSystem) { 3558784Sgblack@eecs.umich.edu panicFsOnlyPseudoInst("readfile"); 3568784Sgblack@eecs.umich.edu return 0; 3578666SPrakash.Ramrakhyani@arm.com } 3588806Sgblack@eecs.umich.edu 3595504Snate@binkert.org const string &file = tc->getSystemPtr()->params()->readfile; 3605504Snate@binkert.org if (file.empty()) { 3615504Snate@binkert.org return ULL(0); 362310SN/A } 363299SN/A 3645504Snate@binkert.org uint64_t result = 0; 3652188SN/A 3665504Snate@binkert.org int fd = ::open(file.c_str(), O_RDONLY, 0); 3675504Snate@binkert.org if (fd < 0) 3685504Snate@binkert.org panic("could not open file %s\n", file); 3692235SN/A 3705504Snate@binkert.org if (::lseek(fd, offset, SEEK_SET) < 0) 3715504Snate@binkert.org panic("could not seek: %s", strerror(errno)); 3723368Sstever@eecs.umich.edu 3735504Snate@binkert.org char *buf = new char[len]; 3745504Snate@binkert.org char *p = buf; 3755504Snate@binkert.org while (len > 0) { 3765504Snate@binkert.org int bytes = ::read(fd, p, len); 3775504Snate@binkert.org if (bytes <= 0) 3785504Snate@binkert.org break; 3793368Sstever@eecs.umich.edu 3805504Snate@binkert.org p += bytes; 3815504Snate@binkert.org result += bytes; 3825504Snate@binkert.org len -= bytes; 3832188SN/A } 3842188SN/A 3855504Snate@binkert.org close(fd); 3865504Snate@binkert.org CopyIn(tc, vaddr, buf, result); 3875504Snate@binkert.org delete [] buf; 3885504Snate@binkert.org return result; 3895504Snate@binkert.org} 3902188SN/A 3918734Sdam.sunwoo@arm.comuint64_t 3928734Sdam.sunwoo@arm.comwritefile(ThreadContext *tc, Addr vaddr, uint64_t len, uint64_t offset, 3938734Sdam.sunwoo@arm.com Addr filename_addr) 3948734Sdam.sunwoo@arm.com{ 3958734Sdam.sunwoo@arm.com ostream *os; 3968734Sdam.sunwoo@arm.com 3978734Sdam.sunwoo@arm.com // copy out target filename 3988734Sdam.sunwoo@arm.com char fn[100]; 3998734Sdam.sunwoo@arm.com std::string filename; 4008734Sdam.sunwoo@arm.com CopyStringOut(tc, fn, filename_addr, 100); 4018734Sdam.sunwoo@arm.com filename = std::string(fn); 4028734Sdam.sunwoo@arm.com 4038734Sdam.sunwoo@arm.com if (offset == 0) { 4048734Sdam.sunwoo@arm.com // create a new file (truncate) 4058734Sdam.sunwoo@arm.com os = simout.create(filename, true); 4068734Sdam.sunwoo@arm.com } else { 4078734Sdam.sunwoo@arm.com // do not truncate file if offset is non-zero 4088734Sdam.sunwoo@arm.com // (ios::in flag is required as well to keep the existing data 4098734Sdam.sunwoo@arm.com // intact, otherwise existing data will be zeroed out.) 4108734Sdam.sunwoo@arm.com os = simout.openFile(simout.directory() + filename, 4118734Sdam.sunwoo@arm.com ios::in | ios::out | ios::binary); 4128734Sdam.sunwoo@arm.com } 4138734Sdam.sunwoo@arm.com if (!os) 4148734Sdam.sunwoo@arm.com panic("could not open file %s\n", filename); 4158734Sdam.sunwoo@arm.com 4168734Sdam.sunwoo@arm.com // seek to offset 4178734Sdam.sunwoo@arm.com os->seekp(offset); 4188734Sdam.sunwoo@arm.com 4198734Sdam.sunwoo@arm.com // copy out data and write to file 4208734Sdam.sunwoo@arm.com char *buf = new char[len]; 4218734Sdam.sunwoo@arm.com CopyOut(tc, buf, vaddr, len); 4228734Sdam.sunwoo@arm.com os->write(buf, len); 4238734Sdam.sunwoo@arm.com if (os->fail() || os->bad()) 4248734Sdam.sunwoo@arm.com panic("Error while doing writefile!\n"); 4258734Sdam.sunwoo@arm.com 4268734Sdam.sunwoo@arm.com simout.close(os); 4278734Sdam.sunwoo@arm.com 4288734Sdam.sunwoo@arm.com delete [] buf; 4298734Sdam.sunwoo@arm.com 4308734Sdam.sunwoo@arm.com return len; 4318734Sdam.sunwoo@arm.com} 4328734Sdam.sunwoo@arm.com 4335504Snate@binkert.orgvoid 4345504Snate@binkert.orgdebugbreak(ThreadContext *tc) 4355504Snate@binkert.org{ 4368231Snate@binkert.org Debug::breakpoint(); 4375504Snate@binkert.org} 4382235SN/A 4395504Snate@binkert.orgvoid 4405504Snate@binkert.orgswitchcpu(ThreadContext *tc) 4415504Snate@binkert.org{ 4425504Snate@binkert.org exitSimLoop("switchcpu"); 4435504Snate@binkert.org} 4443368Sstever@eecs.umich.edu 4457914SBrad.Beckmann@amd.com// 4467914SBrad.Beckmann@amd.com// This function is executed when annotated work items begin. Depending on 4477914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 4487914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item begins. 4497914SBrad.Beckmann@amd.com// 4507914SBrad.Beckmann@amd.comvoid 4517914SBrad.Beckmann@amd.comworkbegin(ThreadContext *tc, uint64_t workid, uint64_t threadid) 4527914SBrad.Beckmann@amd.com{ 4537914SBrad.Beckmann@amd.com tc->getCpuPtr()->workItemBegin(); 4547914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 4558580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 4568666SPrakash.Ramrakhyani@arm.com sys->workItemBegin(threadid, workid); 4577914SBrad.Beckmann@amd.com 4587914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work Begin workid: %d, threadid %d\n", workid, 4597914SBrad.Beckmann@amd.com threadid); 4607914SBrad.Beckmann@amd.com 4617914SBrad.Beckmann@amd.com // 4627914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 4637914SBrad.Beckmann@amd.com // identified 4647914SBrad.Beckmann@amd.com // 4658580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 4667914SBrad.Beckmann@amd.com 4677914SBrad.Beckmann@amd.com uint64_t systemWorkBeginCount = sys->incWorkItemsBegin(); 4687914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 4697914SBrad.Beckmann@amd.com 4708580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 4718580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 4727914SBrad.Beckmann@amd.com // 4737914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 4747914SBrad.Beckmann@amd.com // 4758580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 4767914SBrad.Beckmann@amd.com } 4777914SBrad.Beckmann@amd.com 4788580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_ckpt_count) { 4797914SBrad.Beckmann@amd.com // 4807914SBrad.Beckmann@amd.com // Note: the string specified as the cause of the exit event must 4817914SBrad.Beckmann@amd.com // exactly equal "checkpoint" inorder to create a checkpoint 4827914SBrad.Beckmann@amd.com // 4838580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 4847914SBrad.Beckmann@amd.com } 4857914SBrad.Beckmann@amd.com 4868580Ssteve.reinhardt@amd.com if (systemWorkBeginCount == params->work_begin_exit_count) { 4877914SBrad.Beckmann@amd.com // 4887914SBrad.Beckmann@amd.com // If a certain number of work items started, exit simulation 4897914SBrad.Beckmann@amd.com // 4908580Ssteve.reinhardt@amd.com exitSimLoop("work started count reach"); 4917914SBrad.Beckmann@amd.com } 4927914SBrad.Beckmann@amd.com 4938580Ssteve.reinhardt@amd.com if (cpuId == params->work_begin_cpu_id_exit) { 4947914SBrad.Beckmann@amd.com // 4958580Ssteve.reinhardt@amd.com // If work started on the cpu id specified, exit simulation 4967914SBrad.Beckmann@amd.com // 4978580Ssteve.reinhardt@amd.com exitSimLoop("work started on specific cpu"); 4987914SBrad.Beckmann@amd.com } 4997914SBrad.Beckmann@amd.com } 5007914SBrad.Beckmann@amd.com} 5017914SBrad.Beckmann@amd.com 5027914SBrad.Beckmann@amd.com// 5037914SBrad.Beckmann@amd.com// This function is executed when annotated work items end. Depending on 5047914SBrad.Beckmann@amd.com// what the user specified at the command line, the simulation may exit and/or 5057914SBrad.Beckmann@amd.com// take a checkpoint when a certain work item ends. 5067914SBrad.Beckmann@amd.com// 5077914SBrad.Beckmann@amd.comvoid 5087914SBrad.Beckmann@amd.comworkend(ThreadContext *tc, uint64_t workid, uint64_t threadid) 5097914SBrad.Beckmann@amd.com{ 5107914SBrad.Beckmann@amd.com tc->getCpuPtr()->workItemEnd(); 5117914SBrad.Beckmann@amd.com System *sys = tc->getSystemPtr(); 5128580Ssteve.reinhardt@amd.com const System::Params *params = sys->params(); 5138666SPrakash.Ramrakhyani@arm.com sys->workItemEnd(threadid, workid); 5147914SBrad.Beckmann@amd.com 5157914SBrad.Beckmann@amd.com DPRINTF(WorkItems, "Work End workid: %d, threadid %d\n", workid, threadid); 5167914SBrad.Beckmann@amd.com 5177914SBrad.Beckmann@amd.com // 5187914SBrad.Beckmann@amd.com // If specified, determine if this is the specific work item the user 5197914SBrad.Beckmann@amd.com // identified 5207914SBrad.Beckmann@amd.com // 5218580Ssteve.reinhardt@amd.com if (params->work_item_id == -1 || params->work_item_id == workid) { 5227914SBrad.Beckmann@amd.com 5237914SBrad.Beckmann@amd.com uint64_t systemWorkEndCount = sys->incWorkItemsEnd(); 5247914SBrad.Beckmann@amd.com int cpuId = tc->getCpuPtr()->cpuId(); 5257914SBrad.Beckmann@amd.com 5268580Ssteve.reinhardt@amd.com if (params->work_cpus_ckpt_count != 0 && 5278580Ssteve.reinhardt@amd.com sys->markWorkItem(cpuId) >= params->work_cpus_ckpt_count) { 5287914SBrad.Beckmann@amd.com // 5297914SBrad.Beckmann@amd.com // If active cpus equals checkpoint count, create checkpoint 5307914SBrad.Beckmann@amd.com // 5318580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 5327914SBrad.Beckmann@amd.com } 5337914SBrad.Beckmann@amd.com 5348580Ssteve.reinhardt@amd.com if (params->work_end_ckpt_count != 0 && 5358580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_ckpt_count) { 5367914SBrad.Beckmann@amd.com // 5377914SBrad.Beckmann@amd.com // If total work items completed equals checkpoint count, create 5387914SBrad.Beckmann@amd.com // checkpoint 5397914SBrad.Beckmann@amd.com // 5408580Ssteve.reinhardt@amd.com exitSimLoop("checkpoint"); 5417914SBrad.Beckmann@amd.com } 5427914SBrad.Beckmann@amd.com 5438580Ssteve.reinhardt@amd.com if (params->work_end_exit_count != 0 && 5448580Ssteve.reinhardt@amd.com systemWorkEndCount == params->work_end_exit_count) { 5457914SBrad.Beckmann@amd.com // 5467914SBrad.Beckmann@amd.com // If total work items completed equals exit count, exit simulation 5477914SBrad.Beckmann@amd.com // 5488580Ssteve.reinhardt@amd.com exitSimLoop("work items exit count reached"); 5497914SBrad.Beckmann@amd.com } 5507914SBrad.Beckmann@amd.com } 5517914SBrad.Beckmann@amd.com} 5527914SBrad.Beckmann@amd.com 5537811Ssteve.reinhardt@amd.com} // namespace PseudoInst 554