process.cc revision 7095
12SN/A/* 21762SN/A * Copyright (c) 2001-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Nathan Binkert 292665Ssaidi@eecs.umich.edu * Steve Reinhardt 302665Ssaidi@eecs.umich.edu * Ali Saidi 312SN/A */ 322SN/A 332SN/A#include <unistd.h> 342SN/A#include <fcntl.h> 356712Snate@binkert.org 366712Snate@binkert.org#include <cstdio> 372SN/A#include <string> 382SN/A 393971Sgblack@eecs.umich.edu#include "arch/remote_gdb.hh" 4056SN/A#include "base/intmath.hh" 4156SN/A#include "base/loader/object_file.hh" 421158SN/A#include "base/loader/symtab.hh" 43146SN/A#include "base/statistics.hh" 441858SN/A#include "config/full_system.hh" 456658Snate@binkert.org#include "config/the_isa.hh" 462680Sktlim@umich.edu#include "cpu/thread_context.hh" 472378SN/A#include "mem/page_table.hh" 482522SN/A#include "mem/physical.hh" 492401SN/A#include "mem/translating_port.hh" 505154Sgblack@eecs.umich.edu#include "params/Process.hh" 514762Snate@binkert.org#include "params/LiveProcess.hh" 525512SMichael.Adler@intel.com#include "sim/debug.hh" 53360SN/A#include "sim/process.hh" 544434Ssaidi@eecs.umich.edu#include "sim/process_impl.hh" 55695SN/A#include "sim/stats.hh" 562093SN/A#include "sim/syscall_emul.hh" 572378SN/A#include "sim/system.hh" 582SN/A 592715Sstever@eecs.umich.edu#if THE_ISA == ALPHA_ISA 602715Sstever@eecs.umich.edu#include "arch/alpha/linux/process.hh" 612715Sstever@eecs.umich.edu#include "arch/alpha/tru64/process.hh" 622715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 632715Sstever@eecs.umich.edu#include "arch/sparc/linux/process.hh" 642715Sstever@eecs.umich.edu#include "arch/sparc/solaris/process.hh" 652715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 662715Sstever@eecs.umich.edu#include "arch/mips/linux/process.hh" 675335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 685335Shines@cs.fsu.edu#include "arch/arm/linux/process.hh" 694157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 704166Sgblack@eecs.umich.edu#include "arch/x86/linux/process.hh" 716691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 726691Stjones1@inf.ed.ac.uk#include "arch/power/linux/process.hh" 732715Sstever@eecs.umich.edu#else 742715Sstever@eecs.umich.edu#error "THE_ISA not set" 752715Sstever@eecs.umich.edu#endif 762715Sstever@eecs.umich.edu 772715Sstever@eecs.umich.edu 782SN/Ausing namespace std; 792107SN/Ausing namespace TheISA; 802SN/A 812SN/A// 822SN/A// The purpose of this code is to fake the loader & syscall mechanism 832SN/A// when there's no OS: thus there's no resone to use it in FULL_SYSTEM 842SN/A// mode when we do have an OS 852SN/A// 861858SN/A#if FULL_SYSTEM 87360SN/A#error "process.cc not compatible with FULL_SYSTEM" 882SN/A#endif 892SN/A 902SN/A// current number of allocated processes 912SN/Aint num_processes = 0; 922SN/A 935758Shsul@eecs.umich.edutemplate<class IntType> 945771Shsul@eecs.umich.eduAuxVector<IntType>::AuxVector(IntType type, IntType val) 955758Shsul@eecs.umich.edu{ 965758Shsul@eecs.umich.edu a_type = TheISA::htog(type); 975758Shsul@eecs.umich.edu a_val = TheISA::htog(val); 985758Shsul@eecs.umich.edu} 995758Shsul@eecs.umich.edu 1005771Shsul@eecs.umich.edutemplate class AuxVector<uint32_t>; 1015771Shsul@eecs.umich.edutemplate class AuxVector<uint64_t>; 1025758Shsul@eecs.umich.edu 1035154Sgblack@eecs.umich.eduProcess::Process(ProcessParams * params) 1045183Ssaidi@eecs.umich.edu : SimObject(params), system(params->system), checkpointRestored(false), 1055154Sgblack@eecs.umich.edu max_stack_size(params->max_stack_size) 1062SN/A{ 1075154Sgblack@eecs.umich.edu string in = params->input; 1085154Sgblack@eecs.umich.edu string out = params->output; 1095514SMichael.Adler@intel.com string err = params->errout; 1105154Sgblack@eecs.umich.edu 1115154Sgblack@eecs.umich.edu // initialize file descriptors to default: same as simulator 1125154Sgblack@eecs.umich.edu int stdin_fd, stdout_fd, stderr_fd; 1135154Sgblack@eecs.umich.edu 1145154Sgblack@eecs.umich.edu if (in == "stdin" || in == "cin") 1155154Sgblack@eecs.umich.edu stdin_fd = STDIN_FILENO; 1165154Sgblack@eecs.umich.edu else if (in == "None") 1175154Sgblack@eecs.umich.edu stdin_fd = -1; 1185154Sgblack@eecs.umich.edu else 1195154Sgblack@eecs.umich.edu stdin_fd = Process::openInputFile(in); 1205154Sgblack@eecs.umich.edu 1215154Sgblack@eecs.umich.edu if (out == "stdout" || out == "cout") 1225154Sgblack@eecs.umich.edu stdout_fd = STDOUT_FILENO; 1235154Sgblack@eecs.umich.edu else if (out == "stderr" || out == "cerr") 1245154Sgblack@eecs.umich.edu stdout_fd = STDERR_FILENO; 1255154Sgblack@eecs.umich.edu else if (out == "None") 1265154Sgblack@eecs.umich.edu stdout_fd = -1; 1275154Sgblack@eecs.umich.edu else 1285154Sgblack@eecs.umich.edu stdout_fd = Process::openOutputFile(out); 1295154Sgblack@eecs.umich.edu 1305514SMichael.Adler@intel.com if (err == "stdout" || err == "cout") 1315514SMichael.Adler@intel.com stderr_fd = STDOUT_FILENO; 1325514SMichael.Adler@intel.com else if (err == "stderr" || err == "cerr") 1335514SMichael.Adler@intel.com stderr_fd = STDERR_FILENO; 1345514SMichael.Adler@intel.com else if (err == "None") 1355514SMichael.Adler@intel.com stderr_fd = -1; 1365514SMichael.Adler@intel.com else if (err == out) 1375514SMichael.Adler@intel.com stderr_fd = stdout_fd; 1385514SMichael.Adler@intel.com else 1395514SMichael.Adler@intel.com stderr_fd = Process::openOutputFile(err); 1405154Sgblack@eecs.umich.edu 1414997Sgblack@eecs.umich.edu M5_pid = system->allocatePID(); 1422SN/A // initialize first 3 fds (stdin, stdout, stderr) 1435282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[STDIN_FILENO]; 1445282Srstrong@cs.ucsd.edu fdo->fd = stdin_fd; 1455282Srstrong@cs.ucsd.edu fdo->filename = in; 1465282Srstrong@cs.ucsd.edu fdo->flags = O_RDONLY; 1475282Srstrong@cs.ucsd.edu fdo->mode = -1; 1485282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1495282Srstrong@cs.ucsd.edu 1505282Srstrong@cs.ucsd.edu fdo = &fd_map[STDOUT_FILENO]; 1515282Srstrong@cs.ucsd.edu fdo->fd = stdout_fd; 1525282Srstrong@cs.ucsd.edu fdo->filename = out; 1535282Srstrong@cs.ucsd.edu fdo->flags = O_WRONLY | O_CREAT | O_TRUNC; 1545282Srstrong@cs.ucsd.edu fdo->mode = 0774; 1555282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1565282Srstrong@cs.ucsd.edu 1575282Srstrong@cs.ucsd.edu fdo = &fd_map[STDERR_FILENO]; 1585282Srstrong@cs.ucsd.edu fdo->fd = stderr_fd; 1595514SMichael.Adler@intel.com fdo->filename = err; 1605282Srstrong@cs.ucsd.edu fdo->flags = O_WRONLY; 1615282Srstrong@cs.ucsd.edu fdo->mode = -1; 1625282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1635282Srstrong@cs.ucsd.edu 1642SN/A 1652SN/A // mark remaining fds as free 1662SN/A for (int i = 3; i <= MAX_FD; ++i) { 1675282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[i]; 1685282Srstrong@cs.ucsd.edu fdo->fd = -1; 1692SN/A } 1702SN/A 1711450SN/A mmap_start = mmap_end = 0; 1721514SN/A nxm_start = nxm_end = 0; 1735184Sgblack@eecs.umich.edu pTable = new PageTable(this); 1742SN/A // other parameters will be initialized when the program is loaded 1752SN/A} 1762SN/A 1772378SN/A 1782SN/Avoid 1792SN/AProcess::regStats() 1802SN/A{ 181729SN/A using namespace Stats; 1822SN/A 1832SN/A num_syscalls 1842SN/A .name(name() + ".PROG:num_syscalls") 1852SN/A .desc("Number of system calls") 1862SN/A ; 1872SN/A} 1882SN/A 1892SN/A// 1902SN/A// static helper functions 1912SN/A// 1922SN/Aint 1932SN/AProcess::openInputFile(const string &filename) 1942SN/A{ 1952SN/A int fd = open(filename.c_str(), O_RDONLY); 1962SN/A 1972SN/A if (fd == -1) { 1982SN/A perror(NULL); 1992SN/A cerr << "unable to open \"" << filename << "\" for reading\n"; 2002SN/A fatal("can't open input file"); 2012SN/A } 2022SN/A 2032SN/A return fd; 2042SN/A} 2052SN/A 2062SN/A 2072SN/Aint 2082SN/AProcess::openOutputFile(const string &filename) 2092SN/A{ 2105514SMichael.Adler@intel.com int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0664); 2112SN/A 2122SN/A if (fd == -1) { 2132SN/A perror(NULL); 2142SN/A cerr << "unable to open \"" << filename << "\" for writing\n"; 2152SN/A fatal("can't open output file"); 2162SN/A } 2172SN/A 2182SN/A return fd; 2192SN/A} 2202SN/A 2215713Shsul@eecs.umich.eduThreadContext * 2225713Shsul@eecs.umich.eduProcess::findFreeContext() 2232SN/A{ 2245713Shsul@eecs.umich.edu int size = contextIds.size(); 2255713Shsul@eecs.umich.edu ThreadContext *tc; 2265713Shsul@eecs.umich.edu for (int i = 0; i < size; ++i) { 2275713Shsul@eecs.umich.edu tc = system->getThreadContext(contextIds[i]); 2286029Ssteve.reinhardt@amd.com if (tc->status() == ThreadContext::Halted) { 2295713Shsul@eecs.umich.edu // inactive context, free to use 2305713Shsul@eecs.umich.edu return tc; 2315713Shsul@eecs.umich.edu } 2325512SMichael.Adler@intel.com } 2335713Shsul@eecs.umich.edu return NULL; 2342SN/A} 2352SN/A 2361395SN/Avoid 2371395SN/AProcess::startup() 2381395SN/A{ 2395713Shsul@eecs.umich.edu if (contextIds.empty()) 2405713Shsul@eecs.umich.edu fatal("Process %s is not associated with any HW contexts!\n", name()); 2412378SN/A 2422680Sktlim@umich.edu // first thread context for this process... initialize & enable 2435713Shsul@eecs.umich.edu ThreadContext *tc = system->getThreadContext(contextIds[0]); 2441395SN/A 2451634SN/A // mark this context as active so it will start ticking. 2462680Sktlim@umich.edu tc->activate(0); 2472462SN/A 2482519SN/A Port *mem_port; 2492519SN/A mem_port = system->physmem->getPort("functional"); 2504434Ssaidi@eecs.umich.edu initVirtMem = new TranslatingPort("process init port", this, 2514434Ssaidi@eecs.umich.edu TranslatingPort::Always); 2522519SN/A mem_port->setPeer(initVirtMem); 2532519SN/A initVirtMem->setPeer(mem_port); 2541395SN/A} 2552SN/A 2562SN/A// map simulator fd sim_fd to target fd tgt_fd 2572SN/Avoid 2582SN/AProcess::dup_fd(int sim_fd, int tgt_fd) 2592SN/A{ 2602SN/A if (tgt_fd < 0 || tgt_fd > MAX_FD) 2612SN/A panic("Process::dup_fd tried to dup past MAX_FD (%d)", tgt_fd); 2622SN/A 2635282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[tgt_fd]; 2645282Srstrong@cs.ucsd.edu fdo->fd = sim_fd; 2652SN/A} 2662SN/A 2672SN/A 2682SN/A// generate new target fd for sim_fd 2692SN/Aint 2705282Srstrong@cs.ucsd.eduProcess::alloc_fd(int sim_fd, string filename, int flags, int mode, bool pipe) 2712SN/A{ 2722SN/A // in case open() returns an error, don't allocate a new fd 2732SN/A if (sim_fd == -1) 2742SN/A return -1; 2752SN/A 2762SN/A // find first free target fd 2775282Srstrong@cs.ucsd.edu for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 2785282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 2795282Srstrong@cs.ucsd.edu if (fdo->fd == -1) { 2805282Srstrong@cs.ucsd.edu fdo->fd = sim_fd; 2815282Srstrong@cs.ucsd.edu fdo->filename = filename; 2825282Srstrong@cs.ucsd.edu fdo->mode = mode; 2835282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 2845282Srstrong@cs.ucsd.edu fdo->flags = flags; 2855282Srstrong@cs.ucsd.edu fdo->isPipe = pipe; 2865282Srstrong@cs.ucsd.edu fdo->readPipeSource = 0; 2871970SN/A return free_fd; 2881970SN/A } 2892SN/A } 2902SN/A 2911970SN/A panic("Process::alloc_fd: out of file descriptors!"); 2921970SN/A} 2932SN/A 2941970SN/A 2951970SN/A// free target fd (e.g., after close) 2961970SN/Avoid 2971970SN/AProcess::free_fd(int tgt_fd) 2981970SN/A{ 2995282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[tgt_fd]; 3005282Srstrong@cs.ucsd.edu if (fdo->fd == -1) 3011970SN/A warn("Process::free_fd: request to free unused fd %d", tgt_fd); 3021970SN/A 3035282Srstrong@cs.ucsd.edu fdo->fd = -1; 3045282Srstrong@cs.ucsd.edu fdo->filename = "NULL"; 3055282Srstrong@cs.ucsd.edu fdo->mode = 0; 3065282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 3075282Srstrong@cs.ucsd.edu fdo->flags = 0; 3085282Srstrong@cs.ucsd.edu fdo->isPipe = false; 3095282Srstrong@cs.ucsd.edu fdo->readPipeSource = 0; 3102SN/A} 3112SN/A 3122SN/A 3132SN/A// look up simulator fd for given target fd 3142SN/Aint 3152SN/AProcess::sim_fd(int tgt_fd) 3162SN/A{ 3172SN/A if (tgt_fd > MAX_FD) 3182SN/A return -1; 3192SN/A 3205282Srstrong@cs.ucsd.edu return fd_map[tgt_fd].fd; 3212SN/A} 3222SN/A 3235282Srstrong@cs.ucsd.eduProcess::FdMap * 3245282Srstrong@cs.ucsd.eduProcess::sim_fd_obj(int tgt_fd) 3255282Srstrong@cs.ucsd.edu{ 3265282Srstrong@cs.ucsd.edu if (tgt_fd > MAX_FD) 3275282Srstrong@cs.ucsd.edu panic("sim_fd_obj called in fd out of range."); 3285282Srstrong@cs.ucsd.edu 3295282Srstrong@cs.ucsd.edu return &fd_map[tgt_fd]; 3305282Srstrong@cs.ucsd.edu} 3314434Ssaidi@eecs.umich.edubool 3324434Ssaidi@eecs.umich.eduProcess::checkAndAllocNextPage(Addr vaddr) 3334434Ssaidi@eecs.umich.edu{ 3344434Ssaidi@eecs.umich.edu // if this is an initial write we might not have 3354434Ssaidi@eecs.umich.edu if (vaddr >= stack_min && vaddr < stack_base) { 3364434Ssaidi@eecs.umich.edu pTable->allocate(roundDown(vaddr, VMPageSize), VMPageSize); 3374434Ssaidi@eecs.umich.edu return true; 3384434Ssaidi@eecs.umich.edu } 3394434Ssaidi@eecs.umich.edu 3404434Ssaidi@eecs.umich.edu // We've accessed the next page of the stack, so extend the stack 3414434Ssaidi@eecs.umich.edu // to cover it. 3425154Sgblack@eecs.umich.edu if (vaddr < stack_min && vaddr >= stack_base - max_stack_size) { 3435154Sgblack@eecs.umich.edu while (vaddr < stack_min) { 3445154Sgblack@eecs.umich.edu stack_min -= TheISA::PageBytes; 3455154Sgblack@eecs.umich.edu if(stack_base - stack_min > max_stack_size) 3465154Sgblack@eecs.umich.edu fatal("Maximum stack size exceeded\n"); 3475154Sgblack@eecs.umich.edu if(stack_base - stack_min > 8*1024*1024) 3485154Sgblack@eecs.umich.edu fatal("Over max stack size for one thread\n"); 3495154Sgblack@eecs.umich.edu pTable->allocate(stack_min, TheISA::PageBytes); 3505823Ssaidi@eecs.umich.edu inform("Increasing stack size by one page."); 3515154Sgblack@eecs.umich.edu }; 3524434Ssaidi@eecs.umich.edu return true; 3534434Ssaidi@eecs.umich.edu } 3544434Ssaidi@eecs.umich.edu return false; 3554434Ssaidi@eecs.umich.edu} 3564434Ssaidi@eecs.umich.edu 3575282Srstrong@cs.ucsd.edu // find all offsets for currently open files and save them 3585282Srstrong@cs.ucsd.eduvoid 3595282Srstrong@cs.ucsd.eduProcess::fix_file_offsets() { 3605282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stdin = &fd_map[STDIN_FILENO]; 3615282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stdout = &fd_map[STDOUT_FILENO]; 3625282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stderr = &fd_map[STDERR_FILENO]; 3635282Srstrong@cs.ucsd.edu string in = fdo_stdin->filename; 3645282Srstrong@cs.ucsd.edu string out = fdo_stdout->filename; 3655514SMichael.Adler@intel.com string err = fdo_stderr->filename; 3665282Srstrong@cs.ucsd.edu 3675282Srstrong@cs.ucsd.edu // initialize file descriptors to default: same as simulator 3685282Srstrong@cs.ucsd.edu int stdin_fd, stdout_fd, stderr_fd; 3695282Srstrong@cs.ucsd.edu 3705282Srstrong@cs.ucsd.edu if (in == "stdin" || in == "cin") 3715282Srstrong@cs.ucsd.edu stdin_fd = STDIN_FILENO; 3725282Srstrong@cs.ucsd.edu else if (in == "None") 3735282Srstrong@cs.ucsd.edu stdin_fd = -1; 3745282Srstrong@cs.ucsd.edu else{ 3755282Srstrong@cs.ucsd.edu //OPEN standard in and seek to the right location 3765282Srstrong@cs.ucsd.edu stdin_fd = Process::openInputFile(in); 3775282Srstrong@cs.ucsd.edu if (lseek(stdin_fd, fdo_stdin->fileOffset, SEEK_SET) < 0) 3785282Srstrong@cs.ucsd.edu panic("Unable to seek to correct location in file: %s", in); 3795282Srstrong@cs.ucsd.edu } 3805282Srstrong@cs.ucsd.edu 3815282Srstrong@cs.ucsd.edu if (out == "stdout" || out == "cout") 3825282Srstrong@cs.ucsd.edu stdout_fd = STDOUT_FILENO; 3835282Srstrong@cs.ucsd.edu else if (out == "stderr" || out == "cerr") 3845282Srstrong@cs.ucsd.edu stdout_fd = STDERR_FILENO; 3855282Srstrong@cs.ucsd.edu else if (out == "None") 3865282Srstrong@cs.ucsd.edu stdout_fd = -1; 3875282Srstrong@cs.ucsd.edu else{ 3885282Srstrong@cs.ucsd.edu stdout_fd = Process::openOutputFile(out); 3895514SMichael.Adler@intel.com if (lseek(stdout_fd, fdo_stdout->fileOffset, SEEK_SET) < 0) 3905514SMichael.Adler@intel.com panic("Unable to seek to correct location in file: %s", out); 3915282Srstrong@cs.ucsd.edu } 3925282Srstrong@cs.ucsd.edu 3935514SMichael.Adler@intel.com if (err == "stdout" || err == "cout") 3945514SMichael.Adler@intel.com stderr_fd = STDOUT_FILENO; 3955514SMichael.Adler@intel.com else if (err == "stderr" || err == "cerr") 3965514SMichael.Adler@intel.com stderr_fd = STDERR_FILENO; 3975514SMichael.Adler@intel.com else if (err == "None") 3985514SMichael.Adler@intel.com stderr_fd = -1; 3995514SMichael.Adler@intel.com else if (err == out) 4005514SMichael.Adler@intel.com stderr_fd = stdout_fd; 4015514SMichael.Adler@intel.com else { 4025514SMichael.Adler@intel.com stderr_fd = Process::openOutputFile(err); 4035514SMichael.Adler@intel.com if (lseek(stderr_fd, fdo_stderr->fileOffset, SEEK_SET) < 0) 4045514SMichael.Adler@intel.com panic("Unable to seek to correct location in file: %s", err); 4055514SMichael.Adler@intel.com } 4065282Srstrong@cs.ucsd.edu 4075282Srstrong@cs.ucsd.edu fdo_stdin->fd = stdin_fd; 4085282Srstrong@cs.ucsd.edu fdo_stdout->fd = stdout_fd; 4095282Srstrong@cs.ucsd.edu fdo_stderr->fd = stderr_fd; 4105282Srstrong@cs.ucsd.edu 4115282Srstrong@cs.ucsd.edu 4125282Srstrong@cs.ucsd.edu for (int free_fd = 3; free_fd <= MAX_FD; ++free_fd) { 4135282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 4145282Srstrong@cs.ucsd.edu if (fdo->fd != -1) { 4155282Srstrong@cs.ucsd.edu if (fdo->isPipe){ 4165282Srstrong@cs.ucsd.edu if (fdo->filename == "PIPE-WRITE") 4175282Srstrong@cs.ucsd.edu continue; 4185282Srstrong@cs.ucsd.edu else { 4195282Srstrong@cs.ucsd.edu assert (fdo->filename == "PIPE-READ"); 4205282Srstrong@cs.ucsd.edu //create a new pipe 4215282Srstrong@cs.ucsd.edu int fds[2]; 4225282Srstrong@cs.ucsd.edu int pipe_retval = pipe(fds); 4235282Srstrong@cs.ucsd.edu 4245282Srstrong@cs.ucsd.edu if (pipe_retval < 0) { 4255282Srstrong@cs.ucsd.edu // error 4265282Srstrong@cs.ucsd.edu panic("Unable to create new pipe."); 4275282Srstrong@cs.ucsd.edu } 4285282Srstrong@cs.ucsd.edu fdo->fd = fds[0]; //set read pipe 4295282Srstrong@cs.ucsd.edu Process::FdMap *fdo_write = &fd_map[fdo->readPipeSource]; 4305282Srstrong@cs.ucsd.edu if (fdo_write->filename != "PIPE-WRITE") 4315282Srstrong@cs.ucsd.edu panic ("Couldn't find write end of the pipe"); 4325282Srstrong@cs.ucsd.edu 4335282Srstrong@cs.ucsd.edu fdo_write->fd = fds[1];//set write pipe 4345282Srstrong@cs.ucsd.edu } 4355282Srstrong@cs.ucsd.edu } else { 4365282Srstrong@cs.ucsd.edu //Open file 4375282Srstrong@cs.ucsd.edu int fd = open(fdo->filename.c_str(), fdo->flags, fdo->mode); 4385282Srstrong@cs.ucsd.edu 4395282Srstrong@cs.ucsd.edu if (fd == -1) 4405282Srstrong@cs.ucsd.edu panic("Unable to open file: %s", fdo->filename); 4415282Srstrong@cs.ucsd.edu fdo->fd = fd; 4425282Srstrong@cs.ucsd.edu 4435282Srstrong@cs.ucsd.edu //Seek to correct location before checkpoint 4445282Srstrong@cs.ucsd.edu if (lseek(fd,fdo->fileOffset, SEEK_SET) < 0) 4455282Srstrong@cs.ucsd.edu panic("Unable to seek to correct location in file: %s", fdo->filename); 4465282Srstrong@cs.ucsd.edu } 4475282Srstrong@cs.ucsd.edu } 4485282Srstrong@cs.ucsd.edu } 4495282Srstrong@cs.ucsd.edu} 4505282Srstrong@cs.ucsd.eduvoid 4515282Srstrong@cs.ucsd.eduProcess::find_file_offsets(){ 4525282Srstrong@cs.ucsd.edu for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 4535282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 4545282Srstrong@cs.ucsd.edu if (fdo->fd != -1) { 4555282Srstrong@cs.ucsd.edu fdo->fileOffset = lseek(fdo->fd, 0, SEEK_CUR); 4565282Srstrong@cs.ucsd.edu } else { 4575282Srstrong@cs.ucsd.edu fdo->filename = "NULL"; 4585282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 4595282Srstrong@cs.ucsd.edu } 4605282Srstrong@cs.ucsd.edu } 4615282Srstrong@cs.ucsd.edu} 4625282Srstrong@cs.ucsd.edu 4635282Srstrong@cs.ucsd.eduvoid 4645282Srstrong@cs.ucsd.eduProcess::setReadPipeSource(int read_pipe_fd, int source_fd){ 4655282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[read_pipe_fd]; 4665282Srstrong@cs.ucsd.edu fdo->readPipeSource = source_fd; 4675282Srstrong@cs.ucsd.edu} 4685282Srstrong@cs.ucsd.edu 4695282Srstrong@cs.ucsd.eduvoid 4705282Srstrong@cs.ucsd.eduProcess::FdMap::serialize(std::ostream &os) 4715282Srstrong@cs.ucsd.edu{ 4725282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(fd); 4735282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(isPipe); 4745282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(filename); 4755282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(flags); 4765282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(readPipeSource); 4775282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(fileOffset); 4785282Srstrong@cs.ucsd.edu} 4795282Srstrong@cs.ucsd.edu 4805282Srstrong@cs.ucsd.eduvoid 4815282Srstrong@cs.ucsd.eduProcess::FdMap::unserialize(Checkpoint *cp, const std::string §ion) 4825282Srstrong@cs.ucsd.edu{ 4835282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(fd); 4845282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(isPipe); 4855282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(filename); 4865282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(flags); 4875282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(readPipeSource); 4885282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(fileOffset); 4895282Srstrong@cs.ucsd.edu} 4905282Srstrong@cs.ucsd.edu 4913311Ssaidi@eecs.umich.eduvoid 4923311Ssaidi@eecs.umich.eduProcess::serialize(std::ostream &os) 4933311Ssaidi@eecs.umich.edu{ 4943311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(initialContextLoaded); 4953311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(brk_point); 4963311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_base); 4973311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_size); 4983311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_min); 4993311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(next_thread_stack_base); 5003311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_start); 5013311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_end); 5023311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_start); 5033311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_end); 5045282Srstrong@cs.ucsd.edu find_file_offsets(); 5055282Srstrong@cs.ucsd.edu pTable->serialize(os); 5065282Srstrong@cs.ucsd.edu for (int x = 0; x <= MAX_FD; x++) { 5075282Srstrong@cs.ucsd.edu nameOut(os, csprintf("%s.FdMap%d", name(), x)); 5085282Srstrong@cs.ucsd.edu fd_map[x].serialize(os); 5095282Srstrong@cs.ucsd.edu } 5106820SLisa.Hsu@amd.com SERIALIZE_SCALAR(M5_pid); 5113311Ssaidi@eecs.umich.edu 5123311Ssaidi@eecs.umich.edu} 5133311Ssaidi@eecs.umich.edu 5143311Ssaidi@eecs.umich.eduvoid 5153311Ssaidi@eecs.umich.eduProcess::unserialize(Checkpoint *cp, const std::string §ion) 5163311Ssaidi@eecs.umich.edu{ 5173311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(initialContextLoaded); 5183311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(brk_point); 5193311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_base); 5203311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_size); 5213311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_min); 5223311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(next_thread_stack_base); 5233311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_start); 5243311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_end); 5253311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_start); 5263311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_end); 5273311Ssaidi@eecs.umich.edu pTable->unserialize(cp, section); 5285282Srstrong@cs.ucsd.edu for (int x = 0; x <= MAX_FD; x++) { 5295282Srstrong@cs.ucsd.edu fd_map[x].unserialize(cp, csprintf("%s.FdMap%d", section, x)); 5305282Srstrong@cs.ucsd.edu } 5315282Srstrong@cs.ucsd.edu fix_file_offsets(); 5326820SLisa.Hsu@amd.com UNSERIALIZE_OPT_SCALAR(M5_pid); 5336820SLisa.Hsu@amd.com // The above returns a bool so that you could do something if you don't 5346820SLisa.Hsu@amd.com // find the param in the checkpoint if you wanted to, like set a default 5356820SLisa.Hsu@amd.com // but in this case we'll just stick with the instantianted value if not 5366820SLisa.Hsu@amd.com // found. 5375183Ssaidi@eecs.umich.edu 5385183Ssaidi@eecs.umich.edu checkpointRestored = true; 5395183Ssaidi@eecs.umich.edu 5403311Ssaidi@eecs.umich.edu} 5412SN/A 5422SN/A 5432SN/A//////////////////////////////////////////////////////////////////////// 5442SN/A// 5452SN/A// LiveProcess member definitions 5462SN/A// 5472SN/A//////////////////////////////////////////////////////////////////////// 5482SN/A 54912SN/A 5505154Sgblack@eecs.umich.eduLiveProcess::LiveProcess(LiveProcessParams * params, ObjectFile *_objFile) 5515154Sgblack@eecs.umich.edu : Process(params), objFile(_objFile), 5525154Sgblack@eecs.umich.edu argv(params->cmd), envp(params->env), cwd(params->cwd) 5532SN/A{ 5545154Sgblack@eecs.umich.edu __uid = params->uid; 5555154Sgblack@eecs.umich.edu __euid = params->euid; 5565154Sgblack@eecs.umich.edu __gid = params->gid; 5575154Sgblack@eecs.umich.edu __egid = params->egid; 5585154Sgblack@eecs.umich.edu __pid = params->pid; 5595154Sgblack@eecs.umich.edu __ppid = params->ppid; 5603114Sgblack@eecs.umich.edu 5615154Sgblack@eecs.umich.edu prog_fname = params->cmd[0]; 56212SN/A 5631158SN/A // load up symbols, if any... these may be used for debugging or 5641158SN/A // profiling. 5651158SN/A if (!debugSymbolTable) { 5661158SN/A debugSymbolTable = new SymbolTable(); 5671158SN/A if (!objFile->loadGlobalSymbols(debugSymbolTable) || 5681158SN/A !objFile->loadLocalSymbols(debugSymbolTable)) { 5691158SN/A // didn't load any symbols 5701158SN/A delete debugSymbolTable; 5711158SN/A debugSymbolTable = NULL; 5721158SN/A } 5731158SN/A } 5742378SN/A} 5751158SN/A 5762378SN/Avoid 5772474SN/ALiveProcess::argsInit(int intSize, int pageSize) 5782378SN/A{ 5792378SN/A Process::startup(); 58012SN/A 5812378SN/A // load object file into target memory 5822378SN/A objFile->loadSections(initVirtMem); 58312SN/A 58412SN/A // Calculate how much space we need for arg & env arrays. 5852474SN/A int argv_array_size = intSize * (argv.size() + 1); 5862474SN/A int envp_array_size = intSize * (envp.size() + 1); 58712SN/A int arg_data_size = 0; 5886227Snate@binkert.org for (vector<string>::size_type i = 0; i < argv.size(); ++i) { 58912SN/A arg_data_size += argv[i].size() + 1; 59012SN/A } 59112SN/A int env_data_size = 0; 5926227Snate@binkert.org for (vector<string>::size_type i = 0; i < envp.size(); ++i) { 59312SN/A env_data_size += envp[i].size() + 1; 59412SN/A } 59512SN/A 59612SN/A int space_needed = 59712SN/A argv_array_size + envp_array_size + arg_data_size + env_data_size; 5983005Sstever@eecs.umich.edu if (space_needed < 32*1024) 5993005Sstever@eecs.umich.edu space_needed = 32*1024; 60012SN/A 60112SN/A // set bottom of stack 60212SN/A stack_min = stack_base - space_needed; 60312SN/A // align it 6042800Ssaidi@eecs.umich.edu stack_min = roundDown(stack_min, pageSize); 60512SN/A stack_size = stack_base - stack_min; 6062378SN/A // map memory 6072800Ssaidi@eecs.umich.edu pTable->allocate(stack_min, roundUp(stack_size, pageSize)); 60812SN/A 60912SN/A // map out initial stack contents 6102523SN/A Addr argv_array_base = stack_min + intSize; // room for argc 61112SN/A Addr envp_array_base = argv_array_base + argv_array_size; 61212SN/A Addr arg_data_base = envp_array_base + envp_array_size; 61312SN/A Addr env_data_base = arg_data_base + arg_data_size; 61412SN/A 61512SN/A // write contents to stack 61612SN/A uint64_t argc = argv.size(); 6172474SN/A if (intSize == 8) 6182474SN/A argc = htog((uint64_t)argc); 6192474SN/A else if (intSize == 4) 6202474SN/A argc = htog((uint32_t)argc); 6212474SN/A else 6222474SN/A panic("Unknown int size"); 6232474SN/A 6242474SN/A initVirtMem->writeBlob(stack_min, (uint8_t*)&argc, intSize); 62512SN/A 6262378SN/A copyStringArray(argv, argv_array_base, arg_data_base, initVirtMem); 6272378SN/A copyStringArray(envp, envp_array_base, env_data_base, initVirtMem); 62812SN/A 6295713Shsul@eecs.umich.edu ThreadContext *tc = system->getThreadContext(contextIds[0]); 6305713Shsul@eecs.umich.edu 6315958Sgblack@eecs.umich.edu setSyscallArg(tc, 0, argc); 6325958Sgblack@eecs.umich.edu setSyscallArg(tc, 1, argv_array_base); 6335713Shsul@eecs.umich.edu tc->setIntReg(StackPointerReg, stack_min); 6342451SN/A 6352451SN/A Addr prog_entry = objFile->entryPoint(); 6365713Shsul@eecs.umich.edu tc->setPC(prog_entry); 6375713Shsul@eecs.umich.edu tc->setNextPC(prog_entry + sizeof(MachInst)); 6382817Sksewell@umich.edu 6396691Stjones1@inf.ed.ac.uk#if THE_ISA != ALPHA_ISA && THE_ISA != POWER_ISA //e.g. MIPS or Sparc 6405713Shsul@eecs.umich.edu tc->setNextNPC(prog_entry + (2 * sizeof(MachInst))); 6412817Sksewell@umich.edu#endif 6422378SN/A 6432378SN/A num_processes++; 6442SN/A} 6452SN/A 6462093SN/Avoid 6472680Sktlim@umich.eduLiveProcess::syscall(int64_t callnum, ThreadContext *tc) 6482093SN/A{ 6492093SN/A num_syscalls++; 6502093SN/A 6512093SN/A SyscallDesc *desc = getDesc(callnum); 6522093SN/A if (desc == NULL) 6532093SN/A fatal("Syscall %d out of range", callnum); 6542093SN/A 6552680Sktlim@umich.edu desc->doSyscall(callnum, this, tc); 6562093SN/A} 6572SN/A 6586701Sgblack@eecs.umich.eduIntReg 6596701Sgblack@eecs.umich.eduLiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width) 6606701Sgblack@eecs.umich.edu{ 6616701Sgblack@eecs.umich.edu return getSyscallArg(tc, i); 6626701Sgblack@eecs.umich.edu} 6636701Sgblack@eecs.umich.edu 6642715Sstever@eecs.umich.eduLiveProcess * 6655154Sgblack@eecs.umich.eduLiveProcess::create(LiveProcessParams * params) 6662715Sstever@eecs.umich.edu{ 6672715Sstever@eecs.umich.edu LiveProcess *process = NULL; 6682715Sstever@eecs.umich.edu 6695154Sgblack@eecs.umich.edu string executable = 6705154Sgblack@eecs.umich.edu params->executable == "" ? params->cmd[0] : params->executable; 6712715Sstever@eecs.umich.edu ObjectFile *objFile = createObjectFile(executable); 6722715Sstever@eecs.umich.edu if (objFile == NULL) { 6732715Sstever@eecs.umich.edu fatal("Can't load object file %s", executable); 6742715Sstever@eecs.umich.edu } 6752715Sstever@eecs.umich.edu 6763917Ssaidi@eecs.umich.edu if (objFile->isDynamic()) 6773917Ssaidi@eecs.umich.edu fatal("Object file is a dynamic executable however only static " 6785070Ssaidi@eecs.umich.edu "executables are supported!\n Please recompile your " 6793917Ssaidi@eecs.umich.edu "executable as a static binary and try again.\n"); 6803917Ssaidi@eecs.umich.edu 6815089Sgblack@eecs.umich.edu#if THE_ISA == ALPHA_ISA 6825753Ssteve.reinhardt@amd.com if (objFile->getArch() != ObjectFile::Alpha) 6835753Ssteve.reinhardt@amd.com fatal("Object file architecture does not match compiled ISA (Alpha)."); 6845753Ssteve.reinhardt@amd.com 6852715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 6862715Sstever@eecs.umich.edu case ObjectFile::Tru64: 6875154Sgblack@eecs.umich.edu process = new AlphaTru64Process(params, objFile); 6882715Sstever@eecs.umich.edu break; 6892715Sstever@eecs.umich.edu 6905753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6915753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6925753Ssteve.reinhardt@amd.com // fall through 6932715Sstever@eecs.umich.edu case ObjectFile::Linux: 6945154Sgblack@eecs.umich.edu process = new AlphaLinuxProcess(params, objFile); 6952715Sstever@eecs.umich.edu break; 6962715Sstever@eecs.umich.edu 6972715Sstever@eecs.umich.edu default: 6982715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6992715Sstever@eecs.umich.edu } 7002715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 7015753Ssteve.reinhardt@amd.com if (objFile->getArch() != ObjectFile::SPARC64 && 7025753Ssteve.reinhardt@amd.com objFile->getArch() != ObjectFile::SPARC32) 7032715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (SPARC)."); 7042715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 7055753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7065753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7075753Ssteve.reinhardt@amd.com // fall through 7082715Sstever@eecs.umich.edu case ObjectFile::Linux: 7094111Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::SPARC64) { 7105154Sgblack@eecs.umich.edu process = new Sparc64LinuxProcess(params, objFile); 7114111Sgblack@eecs.umich.edu } else { 7125154Sgblack@eecs.umich.edu process = new Sparc32LinuxProcess(params, objFile); 7134111Sgblack@eecs.umich.edu } 7142715Sstever@eecs.umich.edu break; 7152715Sstever@eecs.umich.edu 7162715Sstever@eecs.umich.edu 7172715Sstever@eecs.umich.edu case ObjectFile::Solaris: 7185154Sgblack@eecs.umich.edu process = new SparcSolarisProcess(params, objFile); 7192715Sstever@eecs.umich.edu break; 7205753Ssteve.reinhardt@amd.com 7212715Sstever@eecs.umich.edu default: 7222715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7232715Sstever@eecs.umich.edu } 7244157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 7255874Sgblack@eecs.umich.edu if (objFile->getArch() != ObjectFile::X86_64 && 7265874Sgblack@eecs.umich.edu objFile->getArch() != ObjectFile::I386) 7274166Sgblack@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (x86)."); 7284157Sgblack@eecs.umich.edu switch (objFile->getOpSys()) { 7295753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7305753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7315753Ssteve.reinhardt@amd.com // fall through 7324166Sgblack@eecs.umich.edu case ObjectFile::Linux: 7335874Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::X86_64) { 7345955Sgblack@eecs.umich.edu process = new X86_64LinuxProcess(params, objFile); 7355874Sgblack@eecs.umich.edu } else { 7365955Sgblack@eecs.umich.edu process = new I386LinuxProcess(params, objFile); 7375874Sgblack@eecs.umich.edu } 7384166Sgblack@eecs.umich.edu break; 7395753Ssteve.reinhardt@amd.com 7404157Sgblack@eecs.umich.edu default: 7414157Sgblack@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7424157Sgblack@eecs.umich.edu } 7432715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 7442715Sstever@eecs.umich.edu if (objFile->getArch() != ObjectFile::Mips) 7452715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (MIPS)."); 7462715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 7475753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7485753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7495753Ssteve.reinhardt@amd.com // fall through 7502715Sstever@eecs.umich.edu case ObjectFile::Linux: 7515154Sgblack@eecs.umich.edu process = new MipsLinuxProcess(params, objFile); 7522715Sstever@eecs.umich.edu break; 7532715Sstever@eecs.umich.edu 7542715Sstever@eecs.umich.edu default: 7552715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7562715Sstever@eecs.umich.edu } 7575335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 7587095Sgblack@eecs.umich.edu if (objFile->getArch() != ObjectFile::Arm && 7597095Sgblack@eecs.umich.edu objFile->getArch() != ObjectFile::Thumb) 7605335Shines@cs.fsu.edu fatal("Object file architecture does not match compiled ISA (ARM)."); 7615335Shines@cs.fsu.edu switch (objFile->getOpSys()) { 7625753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7635753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7645753Ssteve.reinhardt@amd.com // fall through 7655335Shines@cs.fsu.edu case ObjectFile::Linux: 7667095Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::Thumb) 7677095Sgblack@eecs.umich.edu panic("Thumb processes not yet supported.\n"); 7687095Sgblack@eecs.umich.edu else 7697095Sgblack@eecs.umich.edu process = new ArmLinuxProcess(params, objFile); 7705335Shines@cs.fsu.edu break; 7716392Ssaidi@eecs.umich.edu case ObjectFile::LinuxArmOABI: 7726392Ssaidi@eecs.umich.edu fatal("M5 does not support ARM OABI binaries. Please recompile with an" 7736392Ssaidi@eecs.umich.edu " EABI compiler."); 7745335Shines@cs.fsu.edu default: 7755335Shines@cs.fsu.edu fatal("Unknown/unsupported operating system."); 7765335Shines@cs.fsu.edu } 7776691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 7786691Stjones1@inf.ed.ac.uk if (objFile->getArch() != ObjectFile::Power) 7796691Stjones1@inf.ed.ac.uk fatal("Object file architecture does not match compiled ISA (Power)."); 7806691Stjones1@inf.ed.ac.uk switch (objFile->getOpSys()) { 7816691Stjones1@inf.ed.ac.uk case ObjectFile::UnknownOpSys: 7826691Stjones1@inf.ed.ac.uk warn("Unknown operating system; assuming Linux."); 7836691Stjones1@inf.ed.ac.uk // fall through 7846691Stjones1@inf.ed.ac.uk case ObjectFile::Linux: 7856691Stjones1@inf.ed.ac.uk process = new PowerLinuxProcess(params, objFile); 7866691Stjones1@inf.ed.ac.uk break; 7876691Stjones1@inf.ed.ac.uk 7886691Stjones1@inf.ed.ac.uk default: 7896691Stjones1@inf.ed.ac.uk fatal("Unknown/unsupported operating system."); 7906691Stjones1@inf.ed.ac.uk } 7912715Sstever@eecs.umich.edu#else 7922715Sstever@eecs.umich.edu#error "THE_ISA not set" 7932715Sstever@eecs.umich.edu#endif 7942715Sstever@eecs.umich.edu 7952715Sstever@eecs.umich.edu 7962715Sstever@eecs.umich.edu if (process == NULL) 7972715Sstever@eecs.umich.edu fatal("Unknown error creating process object."); 7982715Sstever@eecs.umich.edu return process; 7992715Sstever@eecs.umich.edu} 8002715Sstever@eecs.umich.edu 8014762Snate@binkert.orgLiveProcess * 8024762Snate@binkert.orgLiveProcessParams::create() 8032715Sstever@eecs.umich.edu{ 8045154Sgblack@eecs.umich.edu return LiveProcess::create(this); 8052715Sstever@eecs.umich.edu} 806