process.cc revision 10913
12SN/A/* 210298Salexandru.dutu@amd.com * Copyright (c) 2014 Advanced Micro Devices, Inc. 38852Sandreas.hansson@arm.com * Copyright (c) 2012 ARM Limited 48852Sandreas.hansson@arm.com * All rights reserved 58852Sandreas.hansson@arm.com * 68852Sandreas.hansson@arm.com * The license below extends only to copyright in the software and shall 78852Sandreas.hansson@arm.com * not be construed as granting a license to any other intellectual 88852Sandreas.hansson@arm.com * property including but not limited to intellectual property relating 98852Sandreas.hansson@arm.com * to a hardware implementation of the functionality of the software 108852Sandreas.hansson@arm.com * licensed hereunder. You may use the software subject to the license 118852Sandreas.hansson@arm.com * terms below provided that you ensure that this notice is replicated 128852Sandreas.hansson@arm.com * unmodified and in its entirety in all distributions of the software, 138852Sandreas.hansson@arm.com * modified or unmodified, in source code or in binary form. 148852Sandreas.hansson@arm.com * 151762SN/A * Copyright (c) 2001-2005 The Regents of The University of Michigan 162SN/A * All rights reserved. 172SN/A * 182SN/A * Redistribution and use in source and binary forms, with or without 192SN/A * modification, are permitted provided that the following conditions are 202SN/A * met: redistributions of source code must retain the above copyright 212SN/A * notice, this list of conditions and the following disclaimer; 222SN/A * redistributions in binary form must reproduce the above copyright 232SN/A * notice, this list of conditions and the following disclaimer in the 242SN/A * documentation and/or other materials provided with the distribution; 252SN/A * neither the name of the copyright holders nor the names of its 262SN/A * contributors may be used to endorse or promote products derived from 272SN/A * this software without specific prior written permission. 282SN/A * 292SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 302SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 312SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 322SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 332SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 342SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 352SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 362SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 372SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 382SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 392SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 402665Ssaidi@eecs.umich.edu * 412665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 422665Ssaidi@eecs.umich.edu * Steve Reinhardt 432665Ssaidi@eecs.umich.edu * Ali Saidi 442SN/A */ 452SN/A 468229Snate@binkert.org#include <fcntl.h> 472SN/A#include <unistd.h> 486712Snate@binkert.org 496712Snate@binkert.org#include <cstdio> 502SN/A#include <string> 512SN/A 5256SN/A#include "base/loader/object_file.hh" 531158SN/A#include "base/loader/symtab.hh" 548229Snate@binkert.org#include "base/intmath.hh" 55146SN/A#include "base/statistics.hh" 566658Snate@binkert.org#include "config/the_isa.hh" 572680Sktlim@umich.edu#include "cpu/thread_context.hh" 582378SN/A#include "mem/page_table.hh" 5910298Salexandru.dutu@amd.com#include "mem/multi_level_page_table.hh" 608706Sandreas.hansson@arm.com#include "mem/se_translating_port_proxy.hh" 618229Snate@binkert.org#include "params/LiveProcess.hh" 625154Sgblack@eecs.umich.edu#include "params/Process.hh" 635512SMichael.Adler@intel.com#include "sim/debug.hh" 64360SN/A#include "sim/process.hh" 654434Ssaidi@eecs.umich.edu#include "sim/process_impl.hh" 66695SN/A#include "sim/stats.hh" 672093SN/A#include "sim/syscall_emul.hh" 682378SN/A#include "sim/system.hh" 692SN/A 702715Sstever@eecs.umich.edu#if THE_ISA == ALPHA_ISA 712715Sstever@eecs.umich.edu#include "arch/alpha/linux/process.hh" 722715Sstever@eecs.umich.edu#include "arch/alpha/tru64/process.hh" 732715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 742715Sstever@eecs.umich.edu#include "arch/sparc/linux/process.hh" 752715Sstever@eecs.umich.edu#include "arch/sparc/solaris/process.hh" 762715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 772715Sstever@eecs.umich.edu#include "arch/mips/linux/process.hh" 785335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 795335Shines@cs.fsu.edu#include "arch/arm/linux/process.hh" 8010810Sbr@bsdpad.com#include "arch/arm/freebsd/process.hh" 814157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 824166Sgblack@eecs.umich.edu#include "arch/x86/linux/process.hh" 836691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 846691Stjones1@inf.ed.ac.uk#include "arch/power/linux/process.hh" 852715Sstever@eecs.umich.edu#else 862715Sstever@eecs.umich.edu#error "THE_ISA not set" 872715Sstever@eecs.umich.edu#endif 882715Sstever@eecs.umich.edu 892715Sstever@eecs.umich.edu 902SN/Ausing namespace std; 912107SN/Ausing namespace TheISA; 922SN/A 932SN/A// current number of allocated processes 942SN/Aint num_processes = 0; 952SN/A 965758Shsul@eecs.umich.edutemplate<class IntType> 975771Shsul@eecs.umich.eduAuxVector<IntType>::AuxVector(IntType type, IntType val) 985758Shsul@eecs.umich.edu{ 995758Shsul@eecs.umich.edu a_type = TheISA::htog(type); 1005758Shsul@eecs.umich.edu a_val = TheISA::htog(val); 1015758Shsul@eecs.umich.edu} 1025758Shsul@eecs.umich.edu 1038737Skoansin.tan@gmail.comtemplate struct AuxVector<uint32_t>; 1048737Skoansin.tan@gmail.comtemplate struct AuxVector<uint64_t>; 1055758Shsul@eecs.umich.edu 1065154Sgblack@eecs.umich.eduProcess::Process(ProcessParams * params) 1077532Ssteve.reinhardt@amd.com : SimObject(params), system(params->system), 10810559Sandreas.hansson@arm.com brk_point(0), stack_base(0), stack_size(0), stack_min(0), 1098852Sandreas.hansson@arm.com max_stack_size(params->max_stack_size), 11010559Sandreas.hansson@arm.com next_thread_stack_base(0), 1118852Sandreas.hansson@arm.com M5_pid(system->allocatePID()), 11210299Salexandru.dutu@amd.com useArchPT(params->useArchPT), 11310554Salexandru.dutu@amd.com kvmInSE(params->kvmInSE), 11410299Salexandru.dutu@amd.com pTable(useArchPT ? 11510299Salexandru.dutu@amd.com static_cast<PageTableBase *>(new ArchPageTable(name(), M5_pid, system)) : 11610299Salexandru.dutu@amd.com static_cast<PageTableBase *>(new FuncPageTable(name(), M5_pid)) ), 1178852Sandreas.hansson@arm.com initVirtMem(system->getSystemPort(), this, 1188852Sandreas.hansson@arm.com SETranslatingPortProxy::Always) 1192SN/A{ 1205154Sgblack@eecs.umich.edu string in = params->input; 1215154Sgblack@eecs.umich.edu string out = params->output; 1225514SMichael.Adler@intel.com string err = params->errout; 1235154Sgblack@eecs.umich.edu 1245154Sgblack@eecs.umich.edu // initialize file descriptors to default: same as simulator 1255154Sgblack@eecs.umich.edu int stdin_fd, stdout_fd, stderr_fd; 1265154Sgblack@eecs.umich.edu 1275154Sgblack@eecs.umich.edu if (in == "stdin" || in == "cin") 1285154Sgblack@eecs.umich.edu stdin_fd = STDIN_FILENO; 1295154Sgblack@eecs.umich.edu else if (in == "None") 1305154Sgblack@eecs.umich.edu stdin_fd = -1; 1315154Sgblack@eecs.umich.edu else 1325154Sgblack@eecs.umich.edu stdin_fd = Process::openInputFile(in); 1335154Sgblack@eecs.umich.edu 1345154Sgblack@eecs.umich.edu if (out == "stdout" || out == "cout") 1355154Sgblack@eecs.umich.edu stdout_fd = STDOUT_FILENO; 1365154Sgblack@eecs.umich.edu else if (out == "stderr" || out == "cerr") 1375154Sgblack@eecs.umich.edu stdout_fd = STDERR_FILENO; 1385154Sgblack@eecs.umich.edu else if (out == "None") 1395154Sgblack@eecs.umich.edu stdout_fd = -1; 1405154Sgblack@eecs.umich.edu else 1415154Sgblack@eecs.umich.edu stdout_fd = Process::openOutputFile(out); 1425154Sgblack@eecs.umich.edu 1435514SMichael.Adler@intel.com if (err == "stdout" || err == "cout") 1445514SMichael.Adler@intel.com stderr_fd = STDOUT_FILENO; 1455514SMichael.Adler@intel.com else if (err == "stderr" || err == "cerr") 1465514SMichael.Adler@intel.com stderr_fd = STDERR_FILENO; 1475514SMichael.Adler@intel.com else if (err == "None") 1485514SMichael.Adler@intel.com stderr_fd = -1; 1495514SMichael.Adler@intel.com else if (err == out) 1505514SMichael.Adler@intel.com stderr_fd = stdout_fd; 1515514SMichael.Adler@intel.com else 1525514SMichael.Adler@intel.com stderr_fd = Process::openOutputFile(err); 1535154Sgblack@eecs.umich.edu 1542SN/A // initialize first 3 fds (stdin, stdout, stderr) 1555282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[STDIN_FILENO]; 1565282Srstrong@cs.ucsd.edu fdo->fd = stdin_fd; 1575282Srstrong@cs.ucsd.edu fdo->filename = in; 1585282Srstrong@cs.ucsd.edu fdo->flags = O_RDONLY; 1595282Srstrong@cs.ucsd.edu fdo->mode = -1; 1605282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1615282Srstrong@cs.ucsd.edu 1625282Srstrong@cs.ucsd.edu fdo = &fd_map[STDOUT_FILENO]; 1635282Srstrong@cs.ucsd.edu fdo->fd = stdout_fd; 1645282Srstrong@cs.ucsd.edu fdo->filename = out; 1655282Srstrong@cs.ucsd.edu fdo->flags = O_WRONLY | O_CREAT | O_TRUNC; 1665282Srstrong@cs.ucsd.edu fdo->mode = 0774; 1675282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1685282Srstrong@cs.ucsd.edu 1695282Srstrong@cs.ucsd.edu fdo = &fd_map[STDERR_FILENO]; 1705282Srstrong@cs.ucsd.edu fdo->fd = stderr_fd; 1715514SMichael.Adler@intel.com fdo->filename = err; 1725282Srstrong@cs.ucsd.edu fdo->flags = O_WRONLY; 1735282Srstrong@cs.ucsd.edu fdo->mode = -1; 1745282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1755282Srstrong@cs.ucsd.edu 1762SN/A 1772SN/A // mark remaining fds as free 1782SN/A for (int i = 3; i <= MAX_FD; ++i) { 1799550Sandreas.hansson@arm.com fdo = &fd_map[i]; 1805282Srstrong@cs.ucsd.edu fdo->fd = -1; 1812SN/A } 1822SN/A 1831450SN/A mmap_start = mmap_end = 0; 1841514SN/A nxm_start = nxm_end = 0; 1852SN/A // other parameters will be initialized when the program is loaded 1862SN/A} 1872SN/A 1882378SN/A 1892SN/Avoid 1902SN/AProcess::regStats() 1912SN/A{ 192729SN/A using namespace Stats; 1932SN/A 1942SN/A num_syscalls 1958240Snate@binkert.org .name(name() + ".num_syscalls") 1962SN/A .desc("Number of system calls") 1972SN/A ; 1982SN/A} 1992SN/A 2002SN/A// 2012SN/A// static helper functions 2022SN/A// 2032SN/Aint 2042SN/AProcess::openInputFile(const string &filename) 2052SN/A{ 2062SN/A int fd = open(filename.c_str(), O_RDONLY); 2072SN/A 2082SN/A if (fd == -1) { 2092SN/A perror(NULL); 2102SN/A cerr << "unable to open \"" << filename << "\" for reading\n"; 2112SN/A fatal("can't open input file"); 2122SN/A } 2132SN/A 2142SN/A return fd; 2152SN/A} 2162SN/A 2172SN/A 2182SN/Aint 2192SN/AProcess::openOutputFile(const string &filename) 2202SN/A{ 2215514SMichael.Adler@intel.com int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0664); 2222SN/A 2232SN/A if (fd == -1) { 2242SN/A perror(NULL); 2252SN/A cerr << "unable to open \"" << filename << "\" for writing\n"; 2262SN/A fatal("can't open output file"); 2272SN/A } 2282SN/A 2292SN/A return fd; 2302SN/A} 2312SN/A 2325713Shsul@eecs.umich.eduThreadContext * 2335713Shsul@eecs.umich.eduProcess::findFreeContext() 2342SN/A{ 2355713Shsul@eecs.umich.edu int size = contextIds.size(); 2365713Shsul@eecs.umich.edu ThreadContext *tc; 2375713Shsul@eecs.umich.edu for (int i = 0; i < size; ++i) { 2385713Shsul@eecs.umich.edu tc = system->getThreadContext(contextIds[i]); 2396029Ssteve.reinhardt@amd.com if (tc->status() == ThreadContext::Halted) { 2405713Shsul@eecs.umich.edu // inactive context, free to use 2415713Shsul@eecs.umich.edu return tc; 2425713Shsul@eecs.umich.edu } 2435512SMichael.Adler@intel.com } 2445713Shsul@eecs.umich.edu return NULL; 2452SN/A} 2462SN/A 2471395SN/Avoid 2487532Ssteve.reinhardt@amd.comProcess::initState() 2491395SN/A{ 2505713Shsul@eecs.umich.edu if (contextIds.empty()) 2515713Shsul@eecs.umich.edu fatal("Process %s is not associated with any HW contexts!\n", name()); 2522378SN/A 2532680Sktlim@umich.edu // first thread context for this process... initialize & enable 2545713Shsul@eecs.umich.edu ThreadContext *tc = system->getThreadContext(contextIds[0]); 2551395SN/A 2561634SN/A // mark this context as active so it will start ticking. 25710407Smitch.hayenga@arm.com tc->activate(); 25810298Salexandru.dutu@amd.com 25910298Salexandru.dutu@amd.com pTable->initState(tc); 2601395SN/A} 2612SN/A 26210913Sandreas.sandberg@arm.comDrainState 26310913Sandreas.sandberg@arm.comProcess::drain() 26410905Sandreas.sandberg@arm.com{ 26510905Sandreas.sandberg@arm.com find_file_offsets(); 26610913Sandreas.sandberg@arm.com return DrainState::Drained; 26710905Sandreas.sandberg@arm.com} 26810905Sandreas.sandberg@arm.com 2692SN/A// map simulator fd sim_fd to target fd tgt_fd 2702SN/Avoid 2712SN/AProcess::dup_fd(int sim_fd, int tgt_fd) 2722SN/A{ 2732SN/A if (tgt_fd < 0 || tgt_fd > MAX_FD) 2742SN/A panic("Process::dup_fd tried to dup past MAX_FD (%d)", tgt_fd); 2752SN/A 2765282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[tgt_fd]; 2775282Srstrong@cs.ucsd.edu fdo->fd = sim_fd; 2782SN/A} 2792SN/A 2802SN/A 2812SN/A// generate new target fd for sim_fd 2822SN/Aint 28310782Snilay@cs.wisc.eduProcess::alloc_fd(int sim_fd, const string& filename, int flags, int mode, 28410782Snilay@cs.wisc.edu bool pipe) 2852SN/A{ 2862SN/A // in case open() returns an error, don't allocate a new fd 2872SN/A if (sim_fd == -1) 2882SN/A return -1; 2892SN/A 2902SN/A // find first free target fd 2915282Srstrong@cs.ucsd.edu for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 2925282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 29310496Ssteve.reinhardt@amd.com if (fdo->fd == -1 && fdo->driver == NULL) { 2945282Srstrong@cs.ucsd.edu fdo->fd = sim_fd; 2955282Srstrong@cs.ucsd.edu fdo->filename = filename; 2965282Srstrong@cs.ucsd.edu fdo->mode = mode; 2975282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 2985282Srstrong@cs.ucsd.edu fdo->flags = flags; 2995282Srstrong@cs.ucsd.edu fdo->isPipe = pipe; 3005282Srstrong@cs.ucsd.edu fdo->readPipeSource = 0; 3011970SN/A return free_fd; 3021970SN/A } 3032SN/A } 3042SN/A 3051970SN/A panic("Process::alloc_fd: out of file descriptors!"); 3061970SN/A} 3072SN/A 3081970SN/A 3091970SN/A// free target fd (e.g., after close) 3101970SN/Avoid 3111970SN/AProcess::free_fd(int tgt_fd) 3121970SN/A{ 3135282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[tgt_fd]; 3145282Srstrong@cs.ucsd.edu if (fdo->fd == -1) 3151970SN/A warn("Process::free_fd: request to free unused fd %d", tgt_fd); 3161970SN/A 3175282Srstrong@cs.ucsd.edu fdo->fd = -1; 3185282Srstrong@cs.ucsd.edu fdo->filename = "NULL"; 3195282Srstrong@cs.ucsd.edu fdo->mode = 0; 3205282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 3215282Srstrong@cs.ucsd.edu fdo->flags = 0; 3225282Srstrong@cs.ucsd.edu fdo->isPipe = false; 3235282Srstrong@cs.ucsd.edu fdo->readPipeSource = 0; 32410496Ssteve.reinhardt@amd.com fdo->driver = NULL; 3252SN/A} 3262SN/A 3272SN/A 3282SN/A// look up simulator fd for given target fd 3292SN/Aint 3302SN/AProcess::sim_fd(int tgt_fd) 3312SN/A{ 3328324Ssteve.reinhardt@amd.com if (tgt_fd < 0 || tgt_fd > MAX_FD) 3332SN/A return -1; 3342SN/A 3355282Srstrong@cs.ucsd.edu return fd_map[tgt_fd].fd; 3362SN/A} 3372SN/A 3385282Srstrong@cs.ucsd.eduProcess::FdMap * 3395282Srstrong@cs.ucsd.eduProcess::sim_fd_obj(int tgt_fd) 3405282Srstrong@cs.ucsd.edu{ 3418324Ssteve.reinhardt@amd.com if (tgt_fd < 0 || tgt_fd > MAX_FD) 3428324Ssteve.reinhardt@amd.com return NULL; 3435282Srstrong@cs.ucsd.edu 3445282Srstrong@cs.ucsd.edu return &fd_map[tgt_fd]; 3455282Srstrong@cs.ucsd.edu} 3467487Ssteve.reinhardt@amd.com 3478601Ssteve.reinhardt@amd.comvoid 3488601Ssteve.reinhardt@amd.comProcess::allocateMem(Addr vaddr, int64_t size, bool clobber) 3498601Ssteve.reinhardt@amd.com{ 35010318Sandreas.hansson@arm.com int npages = divCeil(size, (int64_t)PageBytes); 3518601Ssteve.reinhardt@amd.com Addr paddr = system->allocPhysPages(npages); 35210558Salexandru.dutu@amd.com pTable->map(vaddr, paddr, size, clobber ? PageTableBase::Clobber : 0); 3538601Ssteve.reinhardt@amd.com} 3548601Ssteve.reinhardt@amd.com 3554434Ssaidi@eecs.umich.edubool 3568539Sgblack@eecs.umich.eduProcess::fixupStackFault(Addr vaddr) 3574434Ssaidi@eecs.umich.edu{ 3588539Sgblack@eecs.umich.edu // Check if this is already on the stack and there's just no page there 3598539Sgblack@eecs.umich.edu // yet. 3604434Ssaidi@eecs.umich.edu if (vaddr >= stack_min && vaddr < stack_base) { 36110318Sandreas.hansson@arm.com allocateMem(roundDown(vaddr, PageBytes), PageBytes); 3624434Ssaidi@eecs.umich.edu return true; 3634434Ssaidi@eecs.umich.edu } 3644434Ssaidi@eecs.umich.edu 3658539Sgblack@eecs.umich.edu // We've accessed the next page of the stack, so extend it to include 3668539Sgblack@eecs.umich.edu // this address. 3675154Sgblack@eecs.umich.edu if (vaddr < stack_min && vaddr >= stack_base - max_stack_size) { 3685154Sgblack@eecs.umich.edu while (vaddr < stack_min) { 3695154Sgblack@eecs.umich.edu stack_min -= TheISA::PageBytes; 3708539Sgblack@eecs.umich.edu if (stack_base - stack_min > max_stack_size) 3715154Sgblack@eecs.umich.edu fatal("Maximum stack size exceeded\n"); 3728601Ssteve.reinhardt@amd.com allocateMem(stack_min, TheISA::PageBytes); 3735823Ssaidi@eecs.umich.edu inform("Increasing stack size by one page."); 3745154Sgblack@eecs.umich.edu }; 3754434Ssaidi@eecs.umich.edu return true; 3764434Ssaidi@eecs.umich.edu } 3774434Ssaidi@eecs.umich.edu return false; 3784434Ssaidi@eecs.umich.edu} 3794434Ssaidi@eecs.umich.edu 3807487Ssteve.reinhardt@amd.com// find all offsets for currently open files and save them 3815282Srstrong@cs.ucsd.eduvoid 3827487Ssteve.reinhardt@amd.comProcess::fix_file_offsets() 3837487Ssteve.reinhardt@amd.com{ 3845282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stdin = &fd_map[STDIN_FILENO]; 3855282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stdout = &fd_map[STDOUT_FILENO]; 3865282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stderr = &fd_map[STDERR_FILENO]; 3875282Srstrong@cs.ucsd.edu string in = fdo_stdin->filename; 3885282Srstrong@cs.ucsd.edu string out = fdo_stdout->filename; 3895514SMichael.Adler@intel.com string err = fdo_stderr->filename; 3905282Srstrong@cs.ucsd.edu 3915282Srstrong@cs.ucsd.edu // initialize file descriptors to default: same as simulator 3925282Srstrong@cs.ucsd.edu int stdin_fd, stdout_fd, stderr_fd; 3935282Srstrong@cs.ucsd.edu 3945282Srstrong@cs.ucsd.edu if (in == "stdin" || in == "cin") 3955282Srstrong@cs.ucsd.edu stdin_fd = STDIN_FILENO; 39610782Snilay@cs.wisc.edu else if (in == "NULL") 3975282Srstrong@cs.ucsd.edu stdin_fd = -1; 3987487Ssteve.reinhardt@amd.com else { 3997487Ssteve.reinhardt@amd.com // open standard in and seek to the right location 4005282Srstrong@cs.ucsd.edu stdin_fd = Process::openInputFile(in); 4015282Srstrong@cs.ucsd.edu if (lseek(stdin_fd, fdo_stdin->fileOffset, SEEK_SET) < 0) 4025282Srstrong@cs.ucsd.edu panic("Unable to seek to correct location in file: %s", in); 4035282Srstrong@cs.ucsd.edu } 4045282Srstrong@cs.ucsd.edu 4055282Srstrong@cs.ucsd.edu if (out == "stdout" || out == "cout") 4065282Srstrong@cs.ucsd.edu stdout_fd = STDOUT_FILENO; 4075282Srstrong@cs.ucsd.edu else if (out == "stderr" || out == "cerr") 4085282Srstrong@cs.ucsd.edu stdout_fd = STDERR_FILENO; 40910782Snilay@cs.wisc.edu else if (out == "NULL") 4105282Srstrong@cs.ucsd.edu stdout_fd = -1; 4117487Ssteve.reinhardt@amd.com else { 4125282Srstrong@cs.ucsd.edu stdout_fd = Process::openOutputFile(out); 4135514SMichael.Adler@intel.com if (lseek(stdout_fd, fdo_stdout->fileOffset, SEEK_SET) < 0) 4145514SMichael.Adler@intel.com panic("Unable to seek to correct location in file: %s", out); 4155282Srstrong@cs.ucsd.edu } 4165282Srstrong@cs.ucsd.edu 4175514SMichael.Adler@intel.com if (err == "stdout" || err == "cout") 4185514SMichael.Adler@intel.com stderr_fd = STDOUT_FILENO; 4195514SMichael.Adler@intel.com else if (err == "stderr" || err == "cerr") 4205514SMichael.Adler@intel.com stderr_fd = STDERR_FILENO; 42110782Snilay@cs.wisc.edu else if (err == "NULL") 4225514SMichael.Adler@intel.com stderr_fd = -1; 4235514SMichael.Adler@intel.com else if (err == out) 4245514SMichael.Adler@intel.com stderr_fd = stdout_fd; 4255514SMichael.Adler@intel.com else { 4265514SMichael.Adler@intel.com stderr_fd = Process::openOutputFile(err); 4275514SMichael.Adler@intel.com if (lseek(stderr_fd, fdo_stderr->fileOffset, SEEK_SET) < 0) 4285514SMichael.Adler@intel.com panic("Unable to seek to correct location in file: %s", err); 4295514SMichael.Adler@intel.com } 4305282Srstrong@cs.ucsd.edu 4315282Srstrong@cs.ucsd.edu fdo_stdin->fd = stdin_fd; 4325282Srstrong@cs.ucsd.edu fdo_stdout->fd = stdout_fd; 4335282Srstrong@cs.ucsd.edu fdo_stderr->fd = stderr_fd; 4345282Srstrong@cs.ucsd.edu 4355282Srstrong@cs.ucsd.edu 4365282Srstrong@cs.ucsd.edu for (int free_fd = 3; free_fd <= MAX_FD; ++free_fd) { 4375282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 4385282Srstrong@cs.ucsd.edu if (fdo->fd != -1) { 4395282Srstrong@cs.ucsd.edu if (fdo->isPipe){ 4405282Srstrong@cs.ucsd.edu if (fdo->filename == "PIPE-WRITE") 4415282Srstrong@cs.ucsd.edu continue; 4425282Srstrong@cs.ucsd.edu else { 4435282Srstrong@cs.ucsd.edu assert (fdo->filename == "PIPE-READ"); 4445282Srstrong@cs.ucsd.edu //create a new pipe 4455282Srstrong@cs.ucsd.edu int fds[2]; 4465282Srstrong@cs.ucsd.edu int pipe_retval = pipe(fds); 4475282Srstrong@cs.ucsd.edu 4485282Srstrong@cs.ucsd.edu if (pipe_retval < 0) { 4495282Srstrong@cs.ucsd.edu // error 4505282Srstrong@cs.ucsd.edu panic("Unable to create new pipe."); 4515282Srstrong@cs.ucsd.edu } 4525282Srstrong@cs.ucsd.edu fdo->fd = fds[0]; //set read pipe 4535282Srstrong@cs.ucsd.edu Process::FdMap *fdo_write = &fd_map[fdo->readPipeSource]; 4545282Srstrong@cs.ucsd.edu if (fdo_write->filename != "PIPE-WRITE") 4555282Srstrong@cs.ucsd.edu panic ("Couldn't find write end of the pipe"); 4565282Srstrong@cs.ucsd.edu 4575282Srstrong@cs.ucsd.edu fdo_write->fd = fds[1];//set write pipe 4585282Srstrong@cs.ucsd.edu } 4595282Srstrong@cs.ucsd.edu } else { 4605282Srstrong@cs.ucsd.edu //Open file 4615282Srstrong@cs.ucsd.edu int fd = open(fdo->filename.c_str(), fdo->flags, fdo->mode); 4625282Srstrong@cs.ucsd.edu 4635282Srstrong@cs.ucsd.edu if (fd == -1) 4645282Srstrong@cs.ucsd.edu panic("Unable to open file: %s", fdo->filename); 4655282Srstrong@cs.ucsd.edu fdo->fd = fd; 4665282Srstrong@cs.ucsd.edu 4675282Srstrong@cs.ucsd.edu //Seek to correct location before checkpoint 46810782Snilay@cs.wisc.edu if (lseek(fd, fdo->fileOffset, SEEK_SET) < 0) 4697487Ssteve.reinhardt@amd.com panic("Unable to seek to correct location in file: %s", 4707487Ssteve.reinhardt@amd.com fdo->filename); 4715282Srstrong@cs.ucsd.edu } 4725282Srstrong@cs.ucsd.edu } 4735282Srstrong@cs.ucsd.edu } 4745282Srstrong@cs.ucsd.edu} 4757487Ssteve.reinhardt@amd.com 4765282Srstrong@cs.ucsd.eduvoid 4777487Ssteve.reinhardt@amd.comProcess::find_file_offsets() 4787487Ssteve.reinhardt@amd.com{ 4795282Srstrong@cs.ucsd.edu for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 4805282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 4815282Srstrong@cs.ucsd.edu if (fdo->fd != -1) { 4825282Srstrong@cs.ucsd.edu fdo->fileOffset = lseek(fdo->fd, 0, SEEK_CUR); 4837487Ssteve.reinhardt@amd.com } else { 48410782Snilay@cs.wisc.edu fdo->filename = "NULL"; 48510782Snilay@cs.wisc.edu fdo->fileOffset = 0; 4865282Srstrong@cs.ucsd.edu } 4875282Srstrong@cs.ucsd.edu } 4885282Srstrong@cs.ucsd.edu} 4895282Srstrong@cs.ucsd.edu 4905282Srstrong@cs.ucsd.eduvoid 4917487Ssteve.reinhardt@amd.comProcess::setReadPipeSource(int read_pipe_fd, int source_fd) 4927487Ssteve.reinhardt@amd.com{ 4935282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[read_pipe_fd]; 4945282Srstrong@cs.ucsd.edu fdo->readPipeSource = source_fd; 4955282Srstrong@cs.ucsd.edu} 4965282Srstrong@cs.ucsd.edu 4975282Srstrong@cs.ucsd.eduvoid 49810905Sandreas.sandberg@arm.comProcess::FdMap::serialize(CheckpointOut &cp) const 4995282Srstrong@cs.ucsd.edu{ 5005282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(fd); 5015282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(isPipe); 5025282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(filename); 5035282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(flags); 5045282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(readPipeSource); 5055282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(fileOffset); 5065282Srstrong@cs.ucsd.edu} 5075282Srstrong@cs.ucsd.edu 5085282Srstrong@cs.ucsd.eduvoid 50910905Sandreas.sandberg@arm.comProcess::FdMap::unserialize(CheckpointIn &cp) 5105282Srstrong@cs.ucsd.edu{ 5115282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(fd); 5125282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(isPipe); 5135282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(filename); 5145282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(flags); 5155282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(readPipeSource); 5165282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(fileOffset); 5175282Srstrong@cs.ucsd.edu} 5185282Srstrong@cs.ucsd.edu 5193311Ssaidi@eecs.umich.eduvoid 52010905Sandreas.sandberg@arm.comProcess::serialize(CheckpointOut &cp) const 5213311Ssaidi@eecs.umich.edu{ 5223311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(brk_point); 5233311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_base); 5243311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_size); 5253311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_min); 5263311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(next_thread_stack_base); 5273311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_start); 5283311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_end); 5293311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_start); 5303311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_end); 53110905Sandreas.sandberg@arm.com pTable->serialize(cp); 5325282Srstrong@cs.ucsd.edu for (int x = 0; x <= MAX_FD; x++) { 53310905Sandreas.sandberg@arm.com fd_map[x].serializeSection(cp, csprintf("FdMap%d", x)); 5345282Srstrong@cs.ucsd.edu } 5356820SLisa.Hsu@amd.com SERIALIZE_SCALAR(M5_pid); 5363311Ssaidi@eecs.umich.edu 5373311Ssaidi@eecs.umich.edu} 5383311Ssaidi@eecs.umich.edu 5393311Ssaidi@eecs.umich.eduvoid 54010905Sandreas.sandberg@arm.comProcess::unserialize(CheckpointIn &cp) 5413311Ssaidi@eecs.umich.edu{ 5423311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(brk_point); 5433311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_base); 5443311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_size); 5453311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_min); 5463311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(next_thread_stack_base); 5473311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_start); 5483311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_end); 5493311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_start); 5503311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_end); 55110905Sandreas.sandberg@arm.com pTable->unserialize(cp); 5525282Srstrong@cs.ucsd.edu for (int x = 0; x <= MAX_FD; x++) { 55310905Sandreas.sandberg@arm.com fd_map[x].unserializeSection(cp, csprintf("FdMap%d", x)); 5547487Ssteve.reinhardt@amd.com } 5555282Srstrong@cs.ucsd.edu fix_file_offsets(); 5566820SLisa.Hsu@amd.com UNSERIALIZE_OPT_SCALAR(M5_pid); 5576820SLisa.Hsu@amd.com // The above returns a bool so that you could do something if you don't 5586820SLisa.Hsu@amd.com // find the param in the checkpoint if you wanted to, like set a default 5596820SLisa.Hsu@amd.com // but in this case we'll just stick with the instantianted value if not 5606820SLisa.Hsu@amd.com // found. 5613311Ssaidi@eecs.umich.edu} 5622SN/A 5632SN/A 5649110Ssteve.reinhardt@amd.combool 56510558Salexandru.dutu@amd.comProcess::map(Addr vaddr, Addr paddr, int size, bool cacheable) 5669110Ssteve.reinhardt@amd.com{ 56710558Salexandru.dutu@amd.com pTable->map(vaddr, paddr, size, 56810558Salexandru.dutu@amd.com cacheable ? 0 : PageTableBase::Uncacheable); 5699110Ssteve.reinhardt@amd.com return true; 5709110Ssteve.reinhardt@amd.com} 5719110Ssteve.reinhardt@amd.com 5729110Ssteve.reinhardt@amd.com 5732SN/A//////////////////////////////////////////////////////////////////////// 5742SN/A// 5752SN/A// LiveProcess member definitions 5762SN/A// 5772SN/A//////////////////////////////////////////////////////////////////////// 5782SN/A 57912SN/A 58010499Ssteve.reinhardt@amd.comLiveProcess::LiveProcess(LiveProcessParams *params, ObjectFile *_objFile) 5815154Sgblack@eecs.umich.edu : Process(params), objFile(_objFile), 58210496Ssteve.reinhardt@amd.com argv(params->cmd), envp(params->env), cwd(params->cwd), 58310499Ssteve.reinhardt@amd.com __uid(params->uid), __euid(params->euid), 58410499Ssteve.reinhardt@amd.com __gid(params->gid), __egid(params->egid), 58510499Ssteve.reinhardt@amd.com __pid(params->pid), __ppid(params->ppid), 58610496Ssteve.reinhardt@amd.com drivers(params->drivers) 5872SN/A{ 5883114Sgblack@eecs.umich.edu 5891158SN/A // load up symbols, if any... these may be used for debugging or 5901158SN/A // profiling. 5911158SN/A if (!debugSymbolTable) { 5921158SN/A debugSymbolTable = new SymbolTable(); 5931158SN/A if (!objFile->loadGlobalSymbols(debugSymbolTable) || 5949641Sguodeyuan@tsinghua.org.cn !objFile->loadLocalSymbols(debugSymbolTable) || 5959641Sguodeyuan@tsinghua.org.cn !objFile->loadWeakSymbols(debugSymbolTable)) { 5961158SN/A // didn't load any symbols 5971158SN/A delete debugSymbolTable; 5981158SN/A debugSymbolTable = NULL; 5991158SN/A } 6001158SN/A } 6012378SN/A} 6021158SN/A 6032378SN/Avoid 6042680Sktlim@umich.eduLiveProcess::syscall(int64_t callnum, ThreadContext *tc) 6052093SN/A{ 6062093SN/A num_syscalls++; 6072093SN/A 6082093SN/A SyscallDesc *desc = getDesc(callnum); 6092093SN/A if (desc == NULL) 6102093SN/A fatal("Syscall %d out of range", callnum); 6112093SN/A 6122680Sktlim@umich.edu desc->doSyscall(callnum, this, tc); 6132093SN/A} 6142SN/A 6156701Sgblack@eecs.umich.eduIntReg 6166701Sgblack@eecs.umich.eduLiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width) 6176701Sgblack@eecs.umich.edu{ 6186701Sgblack@eecs.umich.edu return getSyscallArg(tc, i); 6196701Sgblack@eecs.umich.edu} 6206701Sgblack@eecs.umich.edu 62110496Ssteve.reinhardt@amd.com 62210496Ssteve.reinhardt@amd.comEmulatedDriver * 62310496Ssteve.reinhardt@amd.comLiveProcess::findDriver(std::string filename) 62410496Ssteve.reinhardt@amd.com{ 62510496Ssteve.reinhardt@amd.com for (EmulatedDriver *d : drivers) { 62610496Ssteve.reinhardt@amd.com if (d->match(filename)) 62710496Ssteve.reinhardt@amd.com return d; 62810496Ssteve.reinhardt@amd.com } 62910496Ssteve.reinhardt@amd.com 63010496Ssteve.reinhardt@amd.com return NULL; 63110496Ssteve.reinhardt@amd.com} 63210496Ssteve.reinhardt@amd.com 63310496Ssteve.reinhardt@amd.com 6342715Sstever@eecs.umich.eduLiveProcess * 6355154Sgblack@eecs.umich.eduLiveProcess::create(LiveProcessParams * params) 6362715Sstever@eecs.umich.edu{ 6372715Sstever@eecs.umich.edu LiveProcess *process = NULL; 6382715Sstever@eecs.umich.edu 6395154Sgblack@eecs.umich.edu string executable = 6405154Sgblack@eecs.umich.edu params->executable == "" ? params->cmd[0] : params->executable; 6412715Sstever@eecs.umich.edu ObjectFile *objFile = createObjectFile(executable); 6422715Sstever@eecs.umich.edu if (objFile == NULL) { 6432715Sstever@eecs.umich.edu fatal("Can't load object file %s", executable); 6442715Sstever@eecs.umich.edu } 6452715Sstever@eecs.umich.edu 6463917Ssaidi@eecs.umich.edu if (objFile->isDynamic()) 6473917Ssaidi@eecs.umich.edu fatal("Object file is a dynamic executable however only static " 6485070Ssaidi@eecs.umich.edu "executables are supported!\n Please recompile your " 6493917Ssaidi@eecs.umich.edu "executable as a static binary and try again.\n"); 6503917Ssaidi@eecs.umich.edu 6515089Sgblack@eecs.umich.edu#if THE_ISA == ALPHA_ISA 6525753Ssteve.reinhardt@amd.com if (objFile->getArch() != ObjectFile::Alpha) 6535753Ssteve.reinhardt@amd.com fatal("Object file architecture does not match compiled ISA (Alpha)."); 6545753Ssteve.reinhardt@amd.com 6552715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 6562715Sstever@eecs.umich.edu case ObjectFile::Tru64: 6575154Sgblack@eecs.umich.edu process = new AlphaTru64Process(params, objFile); 6582715Sstever@eecs.umich.edu break; 6592715Sstever@eecs.umich.edu 6605753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6615753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6625753Ssteve.reinhardt@amd.com // fall through 6632715Sstever@eecs.umich.edu case ObjectFile::Linux: 6645154Sgblack@eecs.umich.edu process = new AlphaLinuxProcess(params, objFile); 6652715Sstever@eecs.umich.edu break; 6662715Sstever@eecs.umich.edu 6672715Sstever@eecs.umich.edu default: 6682715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6692715Sstever@eecs.umich.edu } 6702715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 6715753Ssteve.reinhardt@amd.com if (objFile->getArch() != ObjectFile::SPARC64 && 6725753Ssteve.reinhardt@amd.com objFile->getArch() != ObjectFile::SPARC32) 6732715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (SPARC)."); 6742715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 6755753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6765753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6775753Ssteve.reinhardt@amd.com // fall through 6782715Sstever@eecs.umich.edu case ObjectFile::Linux: 6794111Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::SPARC64) { 6805154Sgblack@eecs.umich.edu process = new Sparc64LinuxProcess(params, objFile); 6814111Sgblack@eecs.umich.edu } else { 6825154Sgblack@eecs.umich.edu process = new Sparc32LinuxProcess(params, objFile); 6834111Sgblack@eecs.umich.edu } 6842715Sstever@eecs.umich.edu break; 6852715Sstever@eecs.umich.edu 6862715Sstever@eecs.umich.edu 6872715Sstever@eecs.umich.edu case ObjectFile::Solaris: 6885154Sgblack@eecs.umich.edu process = new SparcSolarisProcess(params, objFile); 6892715Sstever@eecs.umich.edu break; 6905753Ssteve.reinhardt@amd.com 6912715Sstever@eecs.umich.edu default: 6922715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6932715Sstever@eecs.umich.edu } 6944157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 6955874Sgblack@eecs.umich.edu if (objFile->getArch() != ObjectFile::X86_64 && 6965874Sgblack@eecs.umich.edu objFile->getArch() != ObjectFile::I386) 6974166Sgblack@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (x86)."); 6984157Sgblack@eecs.umich.edu switch (objFile->getOpSys()) { 6995753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7005753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7015753Ssteve.reinhardt@amd.com // fall through 7024166Sgblack@eecs.umich.edu case ObjectFile::Linux: 7035874Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::X86_64) { 7045955Sgblack@eecs.umich.edu process = new X86_64LinuxProcess(params, objFile); 7055874Sgblack@eecs.umich.edu } else { 7065955Sgblack@eecs.umich.edu process = new I386LinuxProcess(params, objFile); 7075874Sgblack@eecs.umich.edu } 7084166Sgblack@eecs.umich.edu break; 7095753Ssteve.reinhardt@amd.com 7104157Sgblack@eecs.umich.edu default: 7114157Sgblack@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7124157Sgblack@eecs.umich.edu } 7132715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 7142715Sstever@eecs.umich.edu if (objFile->getArch() != ObjectFile::Mips) 7152715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (MIPS)."); 7162715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 7175753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7185753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7195753Ssteve.reinhardt@amd.com // fall through 7202715Sstever@eecs.umich.edu case ObjectFile::Linux: 7215154Sgblack@eecs.umich.edu process = new MipsLinuxProcess(params, objFile); 7222715Sstever@eecs.umich.edu break; 7232715Sstever@eecs.umich.edu 7242715Sstever@eecs.umich.edu default: 7252715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7262715Sstever@eecs.umich.edu } 7275335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 72810037SARM gem5 Developers ObjectFile::Arch arch = objFile->getArch(); 72910037SARM gem5 Developers if (arch != ObjectFile::Arm && arch != ObjectFile::Thumb && 73010037SARM gem5 Developers arch != ObjectFile::Arm64) 7315335Shines@cs.fsu.edu fatal("Object file architecture does not match compiled ISA (ARM)."); 7325335Shines@cs.fsu.edu switch (objFile->getOpSys()) { 7335753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7345753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7355753Ssteve.reinhardt@amd.com // fall through 7365335Shines@cs.fsu.edu case ObjectFile::Linux: 73710037SARM gem5 Developers if (arch == ObjectFile::Arm64) { 73810037SARM gem5 Developers process = new ArmLinuxProcess64(params, objFile, 73910037SARM gem5 Developers objFile->getArch()); 74010037SARM gem5 Developers } else { 74110037SARM gem5 Developers process = new ArmLinuxProcess32(params, objFile, 74210037SARM gem5 Developers objFile->getArch()); 74310037SARM gem5 Developers } 7445335Shines@cs.fsu.edu break; 74510810Sbr@bsdpad.com case ObjectFile::FreeBSD: 74610810Sbr@bsdpad.com if (arch == ObjectFile::Arm64) { 74710810Sbr@bsdpad.com process = new ArmFreebsdProcess64(params, objFile, 74810810Sbr@bsdpad.com objFile->getArch()); 74910810Sbr@bsdpad.com } else { 75010810Sbr@bsdpad.com process = new ArmFreebsdProcess32(params, objFile, 75110810Sbr@bsdpad.com objFile->getArch()); 75210810Sbr@bsdpad.com } 75310810Sbr@bsdpad.com break; 7546392Ssaidi@eecs.umich.edu case ObjectFile::LinuxArmOABI: 7556392Ssaidi@eecs.umich.edu fatal("M5 does not support ARM OABI binaries. Please recompile with an" 7566392Ssaidi@eecs.umich.edu " EABI compiler."); 7575335Shines@cs.fsu.edu default: 7585335Shines@cs.fsu.edu fatal("Unknown/unsupported operating system."); 7595335Shines@cs.fsu.edu } 7606691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 7616691Stjones1@inf.ed.ac.uk if (objFile->getArch() != ObjectFile::Power) 7626691Stjones1@inf.ed.ac.uk fatal("Object file architecture does not match compiled ISA (Power)."); 7636691Stjones1@inf.ed.ac.uk switch (objFile->getOpSys()) { 7646691Stjones1@inf.ed.ac.uk case ObjectFile::UnknownOpSys: 7656691Stjones1@inf.ed.ac.uk warn("Unknown operating system; assuming Linux."); 7666691Stjones1@inf.ed.ac.uk // fall through 7676691Stjones1@inf.ed.ac.uk case ObjectFile::Linux: 7686691Stjones1@inf.ed.ac.uk process = new PowerLinuxProcess(params, objFile); 7696691Stjones1@inf.ed.ac.uk break; 7706691Stjones1@inf.ed.ac.uk 7716691Stjones1@inf.ed.ac.uk default: 7726691Stjones1@inf.ed.ac.uk fatal("Unknown/unsupported operating system."); 7736691Stjones1@inf.ed.ac.uk } 7742715Sstever@eecs.umich.edu#else 7752715Sstever@eecs.umich.edu#error "THE_ISA not set" 7762715Sstever@eecs.umich.edu#endif 7772715Sstever@eecs.umich.edu 7782715Sstever@eecs.umich.edu if (process == NULL) 7792715Sstever@eecs.umich.edu fatal("Unknown error creating process object."); 7802715Sstever@eecs.umich.edu return process; 7812715Sstever@eecs.umich.edu} 7822715Sstever@eecs.umich.edu 7834762Snate@binkert.orgLiveProcess * 7844762Snate@binkert.orgLiveProcessParams::create() 7852715Sstever@eecs.umich.edu{ 7865154Sgblack@eecs.umich.edu return LiveProcess::create(this); 7872715Sstever@eecs.umich.edu} 788