process.cc revision 10559
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" 804157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 814166Sgblack@eecs.umich.edu#include "arch/x86/linux/process.hh" 826691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 836691Stjones1@inf.ed.ac.uk#include "arch/power/linux/process.hh" 842715Sstever@eecs.umich.edu#else 852715Sstever@eecs.umich.edu#error "THE_ISA not set" 862715Sstever@eecs.umich.edu#endif 872715Sstever@eecs.umich.edu 882715Sstever@eecs.umich.edu 892SN/Ausing namespace std; 902107SN/Ausing namespace TheISA; 912SN/A 922SN/A// current number of allocated processes 932SN/Aint num_processes = 0; 942SN/A 955758Shsul@eecs.umich.edutemplate<class IntType> 965771Shsul@eecs.umich.eduAuxVector<IntType>::AuxVector(IntType type, IntType val) 975758Shsul@eecs.umich.edu{ 985758Shsul@eecs.umich.edu a_type = TheISA::htog(type); 995758Shsul@eecs.umich.edu a_val = TheISA::htog(val); 1005758Shsul@eecs.umich.edu} 1015758Shsul@eecs.umich.edu 1028737Skoansin.tan@gmail.comtemplate struct AuxVector<uint32_t>; 1038737Skoansin.tan@gmail.comtemplate struct AuxVector<uint64_t>; 1045758Shsul@eecs.umich.edu 1055154Sgblack@eecs.umich.eduProcess::Process(ProcessParams * params) 1067532Ssteve.reinhardt@amd.com : SimObject(params), system(params->system), 10710559Sandreas.hansson@arm.com brk_point(0), stack_base(0), stack_size(0), stack_min(0), 1088852Sandreas.hansson@arm.com max_stack_size(params->max_stack_size), 10910559Sandreas.hansson@arm.com next_thread_stack_base(0), 1108852Sandreas.hansson@arm.com M5_pid(system->allocatePID()), 11110299Salexandru.dutu@amd.com useArchPT(params->useArchPT), 11210554Salexandru.dutu@amd.com kvmInSE(params->kvmInSE), 11310299Salexandru.dutu@amd.com pTable(useArchPT ? 11410299Salexandru.dutu@amd.com static_cast<PageTableBase *>(new ArchPageTable(name(), M5_pid, system)) : 11510299Salexandru.dutu@amd.com static_cast<PageTableBase *>(new FuncPageTable(name(), M5_pid)) ), 1168852Sandreas.hansson@arm.com initVirtMem(system->getSystemPort(), this, 1178852Sandreas.hansson@arm.com SETranslatingPortProxy::Always) 1182SN/A{ 1195154Sgblack@eecs.umich.edu string in = params->input; 1205154Sgblack@eecs.umich.edu string out = params->output; 1215514SMichael.Adler@intel.com string err = params->errout; 1225154Sgblack@eecs.umich.edu 1235154Sgblack@eecs.umich.edu // initialize file descriptors to default: same as simulator 1245154Sgblack@eecs.umich.edu int stdin_fd, stdout_fd, stderr_fd; 1255154Sgblack@eecs.umich.edu 1265154Sgblack@eecs.umich.edu if (in == "stdin" || in == "cin") 1275154Sgblack@eecs.umich.edu stdin_fd = STDIN_FILENO; 1285154Sgblack@eecs.umich.edu else if (in == "None") 1295154Sgblack@eecs.umich.edu stdin_fd = -1; 1305154Sgblack@eecs.umich.edu else 1315154Sgblack@eecs.umich.edu stdin_fd = Process::openInputFile(in); 1325154Sgblack@eecs.umich.edu 1335154Sgblack@eecs.umich.edu if (out == "stdout" || out == "cout") 1345154Sgblack@eecs.umich.edu stdout_fd = STDOUT_FILENO; 1355154Sgblack@eecs.umich.edu else if (out == "stderr" || out == "cerr") 1365154Sgblack@eecs.umich.edu stdout_fd = STDERR_FILENO; 1375154Sgblack@eecs.umich.edu else if (out == "None") 1385154Sgblack@eecs.umich.edu stdout_fd = -1; 1395154Sgblack@eecs.umich.edu else 1405154Sgblack@eecs.umich.edu stdout_fd = Process::openOutputFile(out); 1415154Sgblack@eecs.umich.edu 1425514SMichael.Adler@intel.com if (err == "stdout" || err == "cout") 1435514SMichael.Adler@intel.com stderr_fd = STDOUT_FILENO; 1445514SMichael.Adler@intel.com else if (err == "stderr" || err == "cerr") 1455514SMichael.Adler@intel.com stderr_fd = STDERR_FILENO; 1465514SMichael.Adler@intel.com else if (err == "None") 1475514SMichael.Adler@intel.com stderr_fd = -1; 1485514SMichael.Adler@intel.com else if (err == out) 1495514SMichael.Adler@intel.com stderr_fd = stdout_fd; 1505514SMichael.Adler@intel.com else 1515514SMichael.Adler@intel.com stderr_fd = Process::openOutputFile(err); 1525154Sgblack@eecs.umich.edu 1532SN/A // initialize first 3 fds (stdin, stdout, stderr) 1545282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[STDIN_FILENO]; 1555282Srstrong@cs.ucsd.edu fdo->fd = stdin_fd; 1565282Srstrong@cs.ucsd.edu fdo->filename = in; 1575282Srstrong@cs.ucsd.edu fdo->flags = O_RDONLY; 1585282Srstrong@cs.ucsd.edu fdo->mode = -1; 1595282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1605282Srstrong@cs.ucsd.edu 1615282Srstrong@cs.ucsd.edu fdo = &fd_map[STDOUT_FILENO]; 1625282Srstrong@cs.ucsd.edu fdo->fd = stdout_fd; 1635282Srstrong@cs.ucsd.edu fdo->filename = out; 1645282Srstrong@cs.ucsd.edu fdo->flags = O_WRONLY | O_CREAT | O_TRUNC; 1655282Srstrong@cs.ucsd.edu fdo->mode = 0774; 1665282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1675282Srstrong@cs.ucsd.edu 1685282Srstrong@cs.ucsd.edu fdo = &fd_map[STDERR_FILENO]; 1695282Srstrong@cs.ucsd.edu fdo->fd = stderr_fd; 1705514SMichael.Adler@intel.com fdo->filename = err; 1715282Srstrong@cs.ucsd.edu fdo->flags = O_WRONLY; 1725282Srstrong@cs.ucsd.edu fdo->mode = -1; 1735282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 1745282Srstrong@cs.ucsd.edu 1752SN/A 1762SN/A // mark remaining fds as free 1772SN/A for (int i = 3; i <= MAX_FD; ++i) { 1789550Sandreas.hansson@arm.com fdo = &fd_map[i]; 1795282Srstrong@cs.ucsd.edu fdo->fd = -1; 1802SN/A } 1812SN/A 1821450SN/A mmap_start = mmap_end = 0; 1831514SN/A nxm_start = nxm_end = 0; 1842SN/A // other parameters will be initialized when the program is loaded 1852SN/A} 1862SN/A 1872378SN/A 1882SN/Avoid 1892SN/AProcess::regStats() 1902SN/A{ 191729SN/A using namespace Stats; 1922SN/A 1932SN/A num_syscalls 1948240Snate@binkert.org .name(name() + ".num_syscalls") 1952SN/A .desc("Number of system calls") 1962SN/A ; 1972SN/A} 1982SN/A 1992SN/A// 2002SN/A// static helper functions 2012SN/A// 2022SN/Aint 2032SN/AProcess::openInputFile(const string &filename) 2042SN/A{ 2052SN/A int fd = open(filename.c_str(), O_RDONLY); 2062SN/A 2072SN/A if (fd == -1) { 2082SN/A perror(NULL); 2092SN/A cerr << "unable to open \"" << filename << "\" for reading\n"; 2102SN/A fatal("can't open input file"); 2112SN/A } 2122SN/A 2132SN/A return fd; 2142SN/A} 2152SN/A 2162SN/A 2172SN/Aint 2182SN/AProcess::openOutputFile(const string &filename) 2192SN/A{ 2205514SMichael.Adler@intel.com int fd = open(filename.c_str(), O_WRONLY | O_CREAT | O_TRUNC, 0664); 2212SN/A 2222SN/A if (fd == -1) { 2232SN/A perror(NULL); 2242SN/A cerr << "unable to open \"" << filename << "\" for writing\n"; 2252SN/A fatal("can't open output file"); 2262SN/A } 2272SN/A 2282SN/A return fd; 2292SN/A} 2302SN/A 2315713Shsul@eecs.umich.eduThreadContext * 2325713Shsul@eecs.umich.eduProcess::findFreeContext() 2332SN/A{ 2345713Shsul@eecs.umich.edu int size = contextIds.size(); 2355713Shsul@eecs.umich.edu ThreadContext *tc; 2365713Shsul@eecs.umich.edu for (int i = 0; i < size; ++i) { 2375713Shsul@eecs.umich.edu tc = system->getThreadContext(contextIds[i]); 2386029Ssteve.reinhardt@amd.com if (tc->status() == ThreadContext::Halted) { 2395713Shsul@eecs.umich.edu // inactive context, free to use 2405713Shsul@eecs.umich.edu return tc; 2415713Shsul@eecs.umich.edu } 2425512SMichael.Adler@intel.com } 2435713Shsul@eecs.umich.edu return NULL; 2442SN/A} 2452SN/A 2461395SN/Avoid 2477532Ssteve.reinhardt@amd.comProcess::initState() 2481395SN/A{ 2495713Shsul@eecs.umich.edu if (contextIds.empty()) 2505713Shsul@eecs.umich.edu fatal("Process %s is not associated with any HW contexts!\n", name()); 2512378SN/A 2522680Sktlim@umich.edu // first thread context for this process... initialize & enable 2535713Shsul@eecs.umich.edu ThreadContext *tc = system->getThreadContext(contextIds[0]); 2541395SN/A 2551634SN/A // mark this context as active so it will start ticking. 25610407Smitch.hayenga@arm.com tc->activate(); 25710298Salexandru.dutu@amd.com 25810298Salexandru.dutu@amd.com pTable->initState(tc); 2591395SN/A} 2602SN/A 2612SN/A// map simulator fd sim_fd to target fd tgt_fd 2622SN/Avoid 2632SN/AProcess::dup_fd(int sim_fd, int tgt_fd) 2642SN/A{ 2652SN/A if (tgt_fd < 0 || tgt_fd > MAX_FD) 2662SN/A panic("Process::dup_fd tried to dup past MAX_FD (%d)", tgt_fd); 2672SN/A 2685282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[tgt_fd]; 2695282Srstrong@cs.ucsd.edu fdo->fd = sim_fd; 2702SN/A} 2712SN/A 2722SN/A 2732SN/A// generate new target fd for sim_fd 2742SN/Aint 2755282Srstrong@cs.ucsd.eduProcess::alloc_fd(int sim_fd, string filename, int flags, int mode, bool pipe) 2762SN/A{ 2772SN/A // in case open() returns an error, don't allocate a new fd 2782SN/A if (sim_fd == -1) 2792SN/A return -1; 2802SN/A 2812SN/A // find first free target fd 2825282Srstrong@cs.ucsd.edu for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 2835282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 28410496Ssteve.reinhardt@amd.com if (fdo->fd == -1 && fdo->driver == NULL) { 2855282Srstrong@cs.ucsd.edu fdo->fd = sim_fd; 2865282Srstrong@cs.ucsd.edu fdo->filename = filename; 2875282Srstrong@cs.ucsd.edu fdo->mode = mode; 2885282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 2895282Srstrong@cs.ucsd.edu fdo->flags = flags; 2905282Srstrong@cs.ucsd.edu fdo->isPipe = pipe; 2915282Srstrong@cs.ucsd.edu fdo->readPipeSource = 0; 2921970SN/A return free_fd; 2931970SN/A } 2942SN/A } 2952SN/A 2961970SN/A panic("Process::alloc_fd: out of file descriptors!"); 2971970SN/A} 2982SN/A 2991970SN/A 3001970SN/A// free target fd (e.g., after close) 3011970SN/Avoid 3021970SN/AProcess::free_fd(int tgt_fd) 3031970SN/A{ 3045282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[tgt_fd]; 3055282Srstrong@cs.ucsd.edu if (fdo->fd == -1) 3061970SN/A warn("Process::free_fd: request to free unused fd %d", tgt_fd); 3071970SN/A 3085282Srstrong@cs.ucsd.edu fdo->fd = -1; 3095282Srstrong@cs.ucsd.edu fdo->filename = "NULL"; 3105282Srstrong@cs.ucsd.edu fdo->mode = 0; 3115282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 3125282Srstrong@cs.ucsd.edu fdo->flags = 0; 3135282Srstrong@cs.ucsd.edu fdo->isPipe = false; 3145282Srstrong@cs.ucsd.edu fdo->readPipeSource = 0; 31510496Ssteve.reinhardt@amd.com fdo->driver = NULL; 3162SN/A} 3172SN/A 3182SN/A 3192SN/A// look up simulator fd for given target fd 3202SN/Aint 3212SN/AProcess::sim_fd(int tgt_fd) 3222SN/A{ 3238324Ssteve.reinhardt@amd.com if (tgt_fd < 0 || tgt_fd > MAX_FD) 3242SN/A return -1; 3252SN/A 3265282Srstrong@cs.ucsd.edu return fd_map[tgt_fd].fd; 3272SN/A} 3282SN/A 3295282Srstrong@cs.ucsd.eduProcess::FdMap * 3305282Srstrong@cs.ucsd.eduProcess::sim_fd_obj(int tgt_fd) 3315282Srstrong@cs.ucsd.edu{ 3328324Ssteve.reinhardt@amd.com if (tgt_fd < 0 || tgt_fd > MAX_FD) 3338324Ssteve.reinhardt@amd.com return NULL; 3345282Srstrong@cs.ucsd.edu 3355282Srstrong@cs.ucsd.edu return &fd_map[tgt_fd]; 3365282Srstrong@cs.ucsd.edu} 3377487Ssteve.reinhardt@amd.com 3388601Ssteve.reinhardt@amd.comvoid 3398601Ssteve.reinhardt@amd.comProcess::allocateMem(Addr vaddr, int64_t size, bool clobber) 3408601Ssteve.reinhardt@amd.com{ 34110318Sandreas.hansson@arm.com int npages = divCeil(size, (int64_t)PageBytes); 3428601Ssteve.reinhardt@amd.com Addr paddr = system->allocPhysPages(npages); 34310558Salexandru.dutu@amd.com pTable->map(vaddr, paddr, size, clobber ? PageTableBase::Clobber : 0); 3448601Ssteve.reinhardt@amd.com} 3458601Ssteve.reinhardt@amd.com 3464434Ssaidi@eecs.umich.edubool 3478539Sgblack@eecs.umich.eduProcess::fixupStackFault(Addr vaddr) 3484434Ssaidi@eecs.umich.edu{ 3498539Sgblack@eecs.umich.edu // Check if this is already on the stack and there's just no page there 3508539Sgblack@eecs.umich.edu // yet. 3514434Ssaidi@eecs.umich.edu if (vaddr >= stack_min && vaddr < stack_base) { 35210318Sandreas.hansson@arm.com allocateMem(roundDown(vaddr, PageBytes), PageBytes); 3534434Ssaidi@eecs.umich.edu return true; 3544434Ssaidi@eecs.umich.edu } 3554434Ssaidi@eecs.umich.edu 3568539Sgblack@eecs.umich.edu // We've accessed the next page of the stack, so extend it to include 3578539Sgblack@eecs.umich.edu // this address. 3585154Sgblack@eecs.umich.edu if (vaddr < stack_min && vaddr >= stack_base - max_stack_size) { 3595154Sgblack@eecs.umich.edu while (vaddr < stack_min) { 3605154Sgblack@eecs.umich.edu stack_min -= TheISA::PageBytes; 3618539Sgblack@eecs.umich.edu if (stack_base - stack_min > max_stack_size) 3625154Sgblack@eecs.umich.edu fatal("Maximum stack size exceeded\n"); 3638601Ssteve.reinhardt@amd.com allocateMem(stack_min, TheISA::PageBytes); 3645823Ssaidi@eecs.umich.edu inform("Increasing stack size by one page."); 3655154Sgblack@eecs.umich.edu }; 3664434Ssaidi@eecs.umich.edu return true; 3674434Ssaidi@eecs.umich.edu } 3684434Ssaidi@eecs.umich.edu return false; 3694434Ssaidi@eecs.umich.edu} 3704434Ssaidi@eecs.umich.edu 3717487Ssteve.reinhardt@amd.com// find all offsets for currently open files and save them 3725282Srstrong@cs.ucsd.eduvoid 3737487Ssteve.reinhardt@amd.comProcess::fix_file_offsets() 3747487Ssteve.reinhardt@amd.com{ 3755282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stdin = &fd_map[STDIN_FILENO]; 3765282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stdout = &fd_map[STDOUT_FILENO]; 3775282Srstrong@cs.ucsd.edu Process::FdMap *fdo_stderr = &fd_map[STDERR_FILENO]; 3785282Srstrong@cs.ucsd.edu string in = fdo_stdin->filename; 3795282Srstrong@cs.ucsd.edu string out = fdo_stdout->filename; 3805514SMichael.Adler@intel.com string err = fdo_stderr->filename; 3815282Srstrong@cs.ucsd.edu 3825282Srstrong@cs.ucsd.edu // initialize file descriptors to default: same as simulator 3835282Srstrong@cs.ucsd.edu int stdin_fd, stdout_fd, stderr_fd; 3845282Srstrong@cs.ucsd.edu 3855282Srstrong@cs.ucsd.edu if (in == "stdin" || in == "cin") 3865282Srstrong@cs.ucsd.edu stdin_fd = STDIN_FILENO; 3875282Srstrong@cs.ucsd.edu else if (in == "None") 3885282Srstrong@cs.ucsd.edu stdin_fd = -1; 3897487Ssteve.reinhardt@amd.com else { 3907487Ssteve.reinhardt@amd.com // open standard in and seek to the right location 3915282Srstrong@cs.ucsd.edu stdin_fd = Process::openInputFile(in); 3925282Srstrong@cs.ucsd.edu if (lseek(stdin_fd, fdo_stdin->fileOffset, SEEK_SET) < 0) 3935282Srstrong@cs.ucsd.edu panic("Unable to seek to correct location in file: %s", in); 3945282Srstrong@cs.ucsd.edu } 3955282Srstrong@cs.ucsd.edu 3965282Srstrong@cs.ucsd.edu if (out == "stdout" || out == "cout") 3975282Srstrong@cs.ucsd.edu stdout_fd = STDOUT_FILENO; 3985282Srstrong@cs.ucsd.edu else if (out == "stderr" || out == "cerr") 3995282Srstrong@cs.ucsd.edu stdout_fd = STDERR_FILENO; 4005282Srstrong@cs.ucsd.edu else if (out == "None") 4015282Srstrong@cs.ucsd.edu stdout_fd = -1; 4027487Ssteve.reinhardt@amd.com else { 4035282Srstrong@cs.ucsd.edu stdout_fd = Process::openOutputFile(out); 4045514SMichael.Adler@intel.com if (lseek(stdout_fd, fdo_stdout->fileOffset, SEEK_SET) < 0) 4055514SMichael.Adler@intel.com panic("Unable to seek to correct location in file: %s", out); 4065282Srstrong@cs.ucsd.edu } 4075282Srstrong@cs.ucsd.edu 4085514SMichael.Adler@intel.com if (err == "stdout" || err == "cout") 4095514SMichael.Adler@intel.com stderr_fd = STDOUT_FILENO; 4105514SMichael.Adler@intel.com else if (err == "stderr" || err == "cerr") 4115514SMichael.Adler@intel.com stderr_fd = STDERR_FILENO; 4125514SMichael.Adler@intel.com else if (err == "None") 4135514SMichael.Adler@intel.com stderr_fd = -1; 4145514SMichael.Adler@intel.com else if (err == out) 4155514SMichael.Adler@intel.com stderr_fd = stdout_fd; 4165514SMichael.Adler@intel.com else { 4175514SMichael.Adler@intel.com stderr_fd = Process::openOutputFile(err); 4185514SMichael.Adler@intel.com if (lseek(stderr_fd, fdo_stderr->fileOffset, SEEK_SET) < 0) 4195514SMichael.Adler@intel.com panic("Unable to seek to correct location in file: %s", err); 4205514SMichael.Adler@intel.com } 4215282Srstrong@cs.ucsd.edu 4225282Srstrong@cs.ucsd.edu fdo_stdin->fd = stdin_fd; 4235282Srstrong@cs.ucsd.edu fdo_stdout->fd = stdout_fd; 4245282Srstrong@cs.ucsd.edu fdo_stderr->fd = stderr_fd; 4255282Srstrong@cs.ucsd.edu 4265282Srstrong@cs.ucsd.edu 4275282Srstrong@cs.ucsd.edu for (int free_fd = 3; free_fd <= MAX_FD; ++free_fd) { 4285282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 4295282Srstrong@cs.ucsd.edu if (fdo->fd != -1) { 4305282Srstrong@cs.ucsd.edu if (fdo->isPipe){ 4315282Srstrong@cs.ucsd.edu if (fdo->filename == "PIPE-WRITE") 4325282Srstrong@cs.ucsd.edu continue; 4335282Srstrong@cs.ucsd.edu else { 4345282Srstrong@cs.ucsd.edu assert (fdo->filename == "PIPE-READ"); 4355282Srstrong@cs.ucsd.edu //create a new pipe 4365282Srstrong@cs.ucsd.edu int fds[2]; 4375282Srstrong@cs.ucsd.edu int pipe_retval = pipe(fds); 4385282Srstrong@cs.ucsd.edu 4395282Srstrong@cs.ucsd.edu if (pipe_retval < 0) { 4405282Srstrong@cs.ucsd.edu // error 4415282Srstrong@cs.ucsd.edu panic("Unable to create new pipe."); 4425282Srstrong@cs.ucsd.edu } 4435282Srstrong@cs.ucsd.edu fdo->fd = fds[0]; //set read pipe 4445282Srstrong@cs.ucsd.edu Process::FdMap *fdo_write = &fd_map[fdo->readPipeSource]; 4455282Srstrong@cs.ucsd.edu if (fdo_write->filename != "PIPE-WRITE") 4465282Srstrong@cs.ucsd.edu panic ("Couldn't find write end of the pipe"); 4475282Srstrong@cs.ucsd.edu 4485282Srstrong@cs.ucsd.edu fdo_write->fd = fds[1];//set write pipe 4495282Srstrong@cs.ucsd.edu } 4505282Srstrong@cs.ucsd.edu } else { 4515282Srstrong@cs.ucsd.edu //Open file 4525282Srstrong@cs.ucsd.edu int fd = open(fdo->filename.c_str(), fdo->flags, fdo->mode); 4535282Srstrong@cs.ucsd.edu 4545282Srstrong@cs.ucsd.edu if (fd == -1) 4555282Srstrong@cs.ucsd.edu panic("Unable to open file: %s", fdo->filename); 4565282Srstrong@cs.ucsd.edu fdo->fd = fd; 4575282Srstrong@cs.ucsd.edu 4585282Srstrong@cs.ucsd.edu //Seek to correct location before checkpoint 4595282Srstrong@cs.ucsd.edu if (lseek(fd,fdo->fileOffset, SEEK_SET) < 0) 4607487Ssteve.reinhardt@amd.com panic("Unable to seek to correct location in file: %s", 4617487Ssteve.reinhardt@amd.com fdo->filename); 4625282Srstrong@cs.ucsd.edu } 4635282Srstrong@cs.ucsd.edu } 4645282Srstrong@cs.ucsd.edu } 4655282Srstrong@cs.ucsd.edu} 4667487Ssteve.reinhardt@amd.com 4675282Srstrong@cs.ucsd.eduvoid 4687487Ssteve.reinhardt@amd.comProcess::find_file_offsets() 4697487Ssteve.reinhardt@amd.com{ 4705282Srstrong@cs.ucsd.edu for (int free_fd = 0; free_fd <= MAX_FD; ++free_fd) { 4715282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[free_fd]; 4725282Srstrong@cs.ucsd.edu if (fdo->fd != -1) { 4735282Srstrong@cs.ucsd.edu fdo->fileOffset = lseek(fdo->fd, 0, SEEK_CUR); 4747487Ssteve.reinhardt@amd.com } else { 4755282Srstrong@cs.ucsd.edu fdo->filename = "NULL"; 4765282Srstrong@cs.ucsd.edu fdo->fileOffset = 0; 4775282Srstrong@cs.ucsd.edu } 4785282Srstrong@cs.ucsd.edu } 4795282Srstrong@cs.ucsd.edu} 4805282Srstrong@cs.ucsd.edu 4815282Srstrong@cs.ucsd.eduvoid 4827487Ssteve.reinhardt@amd.comProcess::setReadPipeSource(int read_pipe_fd, int source_fd) 4837487Ssteve.reinhardt@amd.com{ 4845282Srstrong@cs.ucsd.edu Process::FdMap *fdo = &fd_map[read_pipe_fd]; 4855282Srstrong@cs.ucsd.edu fdo->readPipeSource = source_fd; 4865282Srstrong@cs.ucsd.edu} 4875282Srstrong@cs.ucsd.edu 4885282Srstrong@cs.ucsd.eduvoid 4895282Srstrong@cs.ucsd.eduProcess::FdMap::serialize(std::ostream &os) 4905282Srstrong@cs.ucsd.edu{ 4915282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(fd); 4925282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(isPipe); 4935282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(filename); 4945282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(flags); 4955282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(readPipeSource); 4965282Srstrong@cs.ucsd.edu SERIALIZE_SCALAR(fileOffset); 4975282Srstrong@cs.ucsd.edu} 4985282Srstrong@cs.ucsd.edu 4995282Srstrong@cs.ucsd.eduvoid 5005282Srstrong@cs.ucsd.eduProcess::FdMap::unserialize(Checkpoint *cp, const std::string §ion) 5015282Srstrong@cs.ucsd.edu{ 5025282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(fd); 5035282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(isPipe); 5045282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(filename); 5055282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(flags); 5065282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(readPipeSource); 5075282Srstrong@cs.ucsd.edu UNSERIALIZE_SCALAR(fileOffset); 5085282Srstrong@cs.ucsd.edu} 5095282Srstrong@cs.ucsd.edu 5103311Ssaidi@eecs.umich.eduvoid 5113311Ssaidi@eecs.umich.eduProcess::serialize(std::ostream &os) 5123311Ssaidi@eecs.umich.edu{ 5133311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(brk_point); 5143311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_base); 5153311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_size); 5163311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(stack_min); 5173311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(next_thread_stack_base); 5183311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_start); 5193311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(mmap_end); 5203311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_start); 5213311Ssaidi@eecs.umich.edu SERIALIZE_SCALAR(nxm_end); 5225282Srstrong@cs.ucsd.edu find_file_offsets(); 5235282Srstrong@cs.ucsd.edu pTable->serialize(os); 5245282Srstrong@cs.ucsd.edu for (int x = 0; x <= MAX_FD; x++) { 5255282Srstrong@cs.ucsd.edu nameOut(os, csprintf("%s.FdMap%d", name(), x)); 5265282Srstrong@cs.ucsd.edu fd_map[x].serialize(os); 5275282Srstrong@cs.ucsd.edu } 5286820SLisa.Hsu@amd.com SERIALIZE_SCALAR(M5_pid); 5293311Ssaidi@eecs.umich.edu 5303311Ssaidi@eecs.umich.edu} 5313311Ssaidi@eecs.umich.edu 5323311Ssaidi@eecs.umich.eduvoid 5333311Ssaidi@eecs.umich.eduProcess::unserialize(Checkpoint *cp, const std::string §ion) 5343311Ssaidi@eecs.umich.edu{ 5353311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(brk_point); 5363311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_base); 5373311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_size); 5383311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(stack_min); 5393311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(next_thread_stack_base); 5403311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_start); 5413311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(mmap_end); 5423311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_start); 5433311Ssaidi@eecs.umich.edu UNSERIALIZE_SCALAR(nxm_end); 5443311Ssaidi@eecs.umich.edu pTable->unserialize(cp, section); 5455282Srstrong@cs.ucsd.edu for (int x = 0; x <= MAX_FD; x++) { 5465282Srstrong@cs.ucsd.edu fd_map[x].unserialize(cp, csprintf("%s.FdMap%d", section, x)); 5477487Ssteve.reinhardt@amd.com } 5485282Srstrong@cs.ucsd.edu fix_file_offsets(); 5496820SLisa.Hsu@amd.com UNSERIALIZE_OPT_SCALAR(M5_pid); 5506820SLisa.Hsu@amd.com // The above returns a bool so that you could do something if you don't 5516820SLisa.Hsu@amd.com // find the param in the checkpoint if you wanted to, like set a default 5526820SLisa.Hsu@amd.com // but in this case we'll just stick with the instantianted value if not 5536820SLisa.Hsu@amd.com // found. 5543311Ssaidi@eecs.umich.edu} 5552SN/A 5562SN/A 5579110Ssteve.reinhardt@amd.combool 55810558Salexandru.dutu@amd.comProcess::map(Addr vaddr, Addr paddr, int size, bool cacheable) 5599110Ssteve.reinhardt@amd.com{ 56010558Salexandru.dutu@amd.com pTable->map(vaddr, paddr, size, 56110558Salexandru.dutu@amd.com cacheable ? 0 : PageTableBase::Uncacheable); 5629110Ssteve.reinhardt@amd.com return true; 5639110Ssteve.reinhardt@amd.com} 5649110Ssteve.reinhardt@amd.com 5659110Ssteve.reinhardt@amd.com 5662SN/A//////////////////////////////////////////////////////////////////////// 5672SN/A// 5682SN/A// LiveProcess member definitions 5692SN/A// 5702SN/A//////////////////////////////////////////////////////////////////////// 5712SN/A 57212SN/A 57310499Ssteve.reinhardt@amd.comLiveProcess::LiveProcess(LiveProcessParams *params, ObjectFile *_objFile) 5745154Sgblack@eecs.umich.edu : Process(params), objFile(_objFile), 57510496Ssteve.reinhardt@amd.com argv(params->cmd), envp(params->env), cwd(params->cwd), 57610499Ssteve.reinhardt@amd.com __uid(params->uid), __euid(params->euid), 57710499Ssteve.reinhardt@amd.com __gid(params->gid), __egid(params->egid), 57810499Ssteve.reinhardt@amd.com __pid(params->pid), __ppid(params->ppid), 57910496Ssteve.reinhardt@amd.com drivers(params->drivers) 5802SN/A{ 5813114Sgblack@eecs.umich.edu 5821158SN/A // load up symbols, if any... these may be used for debugging or 5831158SN/A // profiling. 5841158SN/A if (!debugSymbolTable) { 5851158SN/A debugSymbolTable = new SymbolTable(); 5861158SN/A if (!objFile->loadGlobalSymbols(debugSymbolTable) || 5879641Sguodeyuan@tsinghua.org.cn !objFile->loadLocalSymbols(debugSymbolTable) || 5889641Sguodeyuan@tsinghua.org.cn !objFile->loadWeakSymbols(debugSymbolTable)) { 5891158SN/A // didn't load any symbols 5901158SN/A delete debugSymbolTable; 5911158SN/A debugSymbolTable = NULL; 5921158SN/A } 5931158SN/A } 5942378SN/A} 5951158SN/A 5962378SN/Avoid 5972680Sktlim@umich.eduLiveProcess::syscall(int64_t callnum, ThreadContext *tc) 5982093SN/A{ 5992093SN/A num_syscalls++; 6002093SN/A 6012093SN/A SyscallDesc *desc = getDesc(callnum); 6022093SN/A if (desc == NULL) 6032093SN/A fatal("Syscall %d out of range", callnum); 6042093SN/A 6052680Sktlim@umich.edu desc->doSyscall(callnum, this, tc); 6062093SN/A} 6072SN/A 6086701Sgblack@eecs.umich.eduIntReg 6096701Sgblack@eecs.umich.eduLiveProcess::getSyscallArg(ThreadContext *tc, int &i, int width) 6106701Sgblack@eecs.umich.edu{ 6116701Sgblack@eecs.umich.edu return getSyscallArg(tc, i); 6126701Sgblack@eecs.umich.edu} 6136701Sgblack@eecs.umich.edu 61410496Ssteve.reinhardt@amd.com 61510496Ssteve.reinhardt@amd.comEmulatedDriver * 61610496Ssteve.reinhardt@amd.comLiveProcess::findDriver(std::string filename) 61710496Ssteve.reinhardt@amd.com{ 61810496Ssteve.reinhardt@amd.com for (EmulatedDriver *d : drivers) { 61910496Ssteve.reinhardt@amd.com if (d->match(filename)) 62010496Ssteve.reinhardt@amd.com return d; 62110496Ssteve.reinhardt@amd.com } 62210496Ssteve.reinhardt@amd.com 62310496Ssteve.reinhardt@amd.com return NULL; 62410496Ssteve.reinhardt@amd.com} 62510496Ssteve.reinhardt@amd.com 62610496Ssteve.reinhardt@amd.com 6272715Sstever@eecs.umich.eduLiveProcess * 6285154Sgblack@eecs.umich.eduLiveProcess::create(LiveProcessParams * params) 6292715Sstever@eecs.umich.edu{ 6302715Sstever@eecs.umich.edu LiveProcess *process = NULL; 6312715Sstever@eecs.umich.edu 6325154Sgblack@eecs.umich.edu string executable = 6335154Sgblack@eecs.umich.edu params->executable == "" ? params->cmd[0] : params->executable; 6342715Sstever@eecs.umich.edu ObjectFile *objFile = createObjectFile(executable); 6352715Sstever@eecs.umich.edu if (objFile == NULL) { 6362715Sstever@eecs.umich.edu fatal("Can't load object file %s", executable); 6372715Sstever@eecs.umich.edu } 6382715Sstever@eecs.umich.edu 6393917Ssaidi@eecs.umich.edu if (objFile->isDynamic()) 6403917Ssaidi@eecs.umich.edu fatal("Object file is a dynamic executable however only static " 6415070Ssaidi@eecs.umich.edu "executables are supported!\n Please recompile your " 6423917Ssaidi@eecs.umich.edu "executable as a static binary and try again.\n"); 6433917Ssaidi@eecs.umich.edu 6445089Sgblack@eecs.umich.edu#if THE_ISA == ALPHA_ISA 6455753Ssteve.reinhardt@amd.com if (objFile->getArch() != ObjectFile::Alpha) 6465753Ssteve.reinhardt@amd.com fatal("Object file architecture does not match compiled ISA (Alpha)."); 6475753Ssteve.reinhardt@amd.com 6482715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 6492715Sstever@eecs.umich.edu case ObjectFile::Tru64: 6505154Sgblack@eecs.umich.edu process = new AlphaTru64Process(params, objFile); 6512715Sstever@eecs.umich.edu break; 6522715Sstever@eecs.umich.edu 6535753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6545753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6555753Ssteve.reinhardt@amd.com // fall through 6562715Sstever@eecs.umich.edu case ObjectFile::Linux: 6575154Sgblack@eecs.umich.edu process = new AlphaLinuxProcess(params, objFile); 6582715Sstever@eecs.umich.edu break; 6592715Sstever@eecs.umich.edu 6602715Sstever@eecs.umich.edu default: 6612715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6622715Sstever@eecs.umich.edu } 6632715Sstever@eecs.umich.edu#elif THE_ISA == SPARC_ISA 6645753Ssteve.reinhardt@amd.com if (objFile->getArch() != ObjectFile::SPARC64 && 6655753Ssteve.reinhardt@amd.com objFile->getArch() != ObjectFile::SPARC32) 6662715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (SPARC)."); 6672715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 6685753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6695753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6705753Ssteve.reinhardt@amd.com // fall through 6712715Sstever@eecs.umich.edu case ObjectFile::Linux: 6724111Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::SPARC64) { 6735154Sgblack@eecs.umich.edu process = new Sparc64LinuxProcess(params, objFile); 6744111Sgblack@eecs.umich.edu } else { 6755154Sgblack@eecs.umich.edu process = new Sparc32LinuxProcess(params, objFile); 6764111Sgblack@eecs.umich.edu } 6772715Sstever@eecs.umich.edu break; 6782715Sstever@eecs.umich.edu 6792715Sstever@eecs.umich.edu 6802715Sstever@eecs.umich.edu case ObjectFile::Solaris: 6815154Sgblack@eecs.umich.edu process = new SparcSolarisProcess(params, objFile); 6822715Sstever@eecs.umich.edu break; 6835753Ssteve.reinhardt@amd.com 6842715Sstever@eecs.umich.edu default: 6852715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 6862715Sstever@eecs.umich.edu } 6874157Sgblack@eecs.umich.edu#elif THE_ISA == X86_ISA 6885874Sgblack@eecs.umich.edu if (objFile->getArch() != ObjectFile::X86_64 && 6895874Sgblack@eecs.umich.edu objFile->getArch() != ObjectFile::I386) 6904166Sgblack@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (x86)."); 6914157Sgblack@eecs.umich.edu switch (objFile->getOpSys()) { 6925753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 6935753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 6945753Ssteve.reinhardt@amd.com // fall through 6954166Sgblack@eecs.umich.edu case ObjectFile::Linux: 6965874Sgblack@eecs.umich.edu if (objFile->getArch() == ObjectFile::X86_64) { 6975955Sgblack@eecs.umich.edu process = new X86_64LinuxProcess(params, objFile); 6985874Sgblack@eecs.umich.edu } else { 6995955Sgblack@eecs.umich.edu process = new I386LinuxProcess(params, objFile); 7005874Sgblack@eecs.umich.edu } 7014166Sgblack@eecs.umich.edu break; 7025753Ssteve.reinhardt@amd.com 7034157Sgblack@eecs.umich.edu default: 7044157Sgblack@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7054157Sgblack@eecs.umich.edu } 7062715Sstever@eecs.umich.edu#elif THE_ISA == MIPS_ISA 7072715Sstever@eecs.umich.edu if (objFile->getArch() != ObjectFile::Mips) 7082715Sstever@eecs.umich.edu fatal("Object file architecture does not match compiled ISA (MIPS)."); 7092715Sstever@eecs.umich.edu switch (objFile->getOpSys()) { 7105753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7115753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7125753Ssteve.reinhardt@amd.com // fall through 7132715Sstever@eecs.umich.edu case ObjectFile::Linux: 7145154Sgblack@eecs.umich.edu process = new MipsLinuxProcess(params, objFile); 7152715Sstever@eecs.umich.edu break; 7162715Sstever@eecs.umich.edu 7172715Sstever@eecs.umich.edu default: 7182715Sstever@eecs.umich.edu fatal("Unknown/unsupported operating system."); 7192715Sstever@eecs.umich.edu } 7205335Shines@cs.fsu.edu#elif THE_ISA == ARM_ISA 72110037SARM gem5 Developers ObjectFile::Arch arch = objFile->getArch(); 72210037SARM gem5 Developers if (arch != ObjectFile::Arm && arch != ObjectFile::Thumb && 72310037SARM gem5 Developers arch != ObjectFile::Arm64) 7245335Shines@cs.fsu.edu fatal("Object file architecture does not match compiled ISA (ARM)."); 7255335Shines@cs.fsu.edu switch (objFile->getOpSys()) { 7265753Ssteve.reinhardt@amd.com case ObjectFile::UnknownOpSys: 7275753Ssteve.reinhardt@amd.com warn("Unknown operating system; assuming Linux."); 7285753Ssteve.reinhardt@amd.com // fall through 7295335Shines@cs.fsu.edu case ObjectFile::Linux: 73010037SARM gem5 Developers if (arch == ObjectFile::Arm64) { 73110037SARM gem5 Developers process = new ArmLinuxProcess64(params, objFile, 73210037SARM gem5 Developers objFile->getArch()); 73310037SARM gem5 Developers } else { 73410037SARM gem5 Developers process = new ArmLinuxProcess32(params, objFile, 73510037SARM gem5 Developers objFile->getArch()); 73610037SARM gem5 Developers } 7375335Shines@cs.fsu.edu break; 7386392Ssaidi@eecs.umich.edu case ObjectFile::LinuxArmOABI: 7396392Ssaidi@eecs.umich.edu fatal("M5 does not support ARM OABI binaries. Please recompile with an" 7406392Ssaidi@eecs.umich.edu " EABI compiler."); 7415335Shines@cs.fsu.edu default: 7425335Shines@cs.fsu.edu fatal("Unknown/unsupported operating system."); 7435335Shines@cs.fsu.edu } 7446691Stjones1@inf.ed.ac.uk#elif THE_ISA == POWER_ISA 7456691Stjones1@inf.ed.ac.uk if (objFile->getArch() != ObjectFile::Power) 7466691Stjones1@inf.ed.ac.uk fatal("Object file architecture does not match compiled ISA (Power)."); 7476691Stjones1@inf.ed.ac.uk switch (objFile->getOpSys()) { 7486691Stjones1@inf.ed.ac.uk case ObjectFile::UnknownOpSys: 7496691Stjones1@inf.ed.ac.uk warn("Unknown operating system; assuming Linux."); 7506691Stjones1@inf.ed.ac.uk // fall through 7516691Stjones1@inf.ed.ac.uk case ObjectFile::Linux: 7526691Stjones1@inf.ed.ac.uk process = new PowerLinuxProcess(params, objFile); 7536691Stjones1@inf.ed.ac.uk break; 7546691Stjones1@inf.ed.ac.uk 7556691Stjones1@inf.ed.ac.uk default: 7566691Stjones1@inf.ed.ac.uk fatal("Unknown/unsupported operating system."); 7576691Stjones1@inf.ed.ac.uk } 7582715Sstever@eecs.umich.edu#else 7592715Sstever@eecs.umich.edu#error "THE_ISA not set" 7602715Sstever@eecs.umich.edu#endif 7612715Sstever@eecs.umich.edu 7622715Sstever@eecs.umich.edu if (process == NULL) 7632715Sstever@eecs.umich.edu fatal("Unknown error creating process object."); 7642715Sstever@eecs.umich.edu return process; 7652715Sstever@eecs.umich.edu} 7662715Sstever@eecs.umich.edu 7674762Snate@binkert.orgLiveProcess * 7684762Snate@binkert.orgLiveProcessParams::create() 7692715Sstever@eecs.umich.edu{ 7705154Sgblack@eecs.umich.edu return LiveProcess::create(this); 7712715Sstever@eecs.umich.edu} 772