process.cc revision 2474
16313Sgblack@eecs.umich.edu/* 26313Sgblack@eecs.umich.edu * Copyright (c) 2003-2004 The Regents of The University of Michigan 36313Sgblack@eecs.umich.edu * All rights reserved. 46313Sgblack@eecs.umich.edu * 56313Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 66313Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 76313Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 86313Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 96313Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 106313Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 116313Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 126313Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 136313Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 146313Sgblack@eecs.umich.edu * this software without specific prior written permission. 156313Sgblack@eecs.umich.edu * 166313Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176313Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186313Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196313Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206313Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216313Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226313Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236313Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246313Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256313Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266313Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276313Sgblack@eecs.umich.edu */ 286313Sgblack@eecs.umich.edu 296313Sgblack@eecs.umich.edu#include "arch/alpha/constants.hh" 306313Sgblack@eecs.umich.edu#include "arch/alpha/process.hh" 316313Sgblack@eecs.umich.edu#include "arch/alpha/linux/process.hh" 328229Snate@binkert.org#include "arch/alpha/tru64/process.hh" 336334Sgblack@eecs.umich.edu#include "base/loader/object_file.hh" 346334Sgblack@eecs.umich.edu#include "base/misc.hh" 356334Sgblack@eecs.umich.edu#include "cpu/exec_context.hh" 366334Sgblack@eecs.umich.edu#include "sim/builder.hh" 376313Sgblack@eecs.umich.edu#include "sim/system.hh" 388232Snate@binkert.org 399384SAndreas.Sandberg@arm.com 406313Sgblack@eecs.umich.eduusing namespace AlphaISA; 416313Sgblack@eecs.umich.eduusing namespace std; 426313Sgblack@eecs.umich.edu 436313Sgblack@eecs.umich.eduAlphaLiveProcess * 446334Sgblack@eecs.umich.eduAlphaLiveProcess::create(const std::string &nm, System *system, int stdin_fd, 456334Sgblack@eecs.umich.edu int stdout_fd, int stderr_fd, std::string executable, 466334Sgblack@eecs.umich.edu std::vector<std::string> &argv, std::vector<std::string> &envp) 476334Sgblack@eecs.umich.edu{ 486334Sgblack@eecs.umich.edu AlphaLiveProcess *process = NULL; 496334Sgblack@eecs.umich.edu 506334Sgblack@eecs.umich.edu ObjectFile *objFile = createObjectFile(executable); 516334Sgblack@eecs.umich.edu if (objFile == NULL) { 526334Sgblack@eecs.umich.edu fatal("Can't load object file %s", executable); 536334Sgblack@eecs.umich.edu } 546334Sgblack@eecs.umich.edu 556334Sgblack@eecs.umich.edu 566334Sgblack@eecs.umich.edu if (objFile->getArch() != ObjectFile::Alpha) 576334Sgblack@eecs.umich.edu fatal("Object file does not match architecture."); 586334Sgblack@eecs.umich.edu switch (objFile->getOpSys()) { 596334Sgblack@eecs.umich.edu case ObjectFile::Tru64: 606334Sgblack@eecs.umich.edu process = new AlphaTru64Process(nm, objFile, system, 616334Sgblack@eecs.umich.edu stdin_fd, stdout_fd, stderr_fd, 626334Sgblack@eecs.umich.edu argv, envp); 636334Sgblack@eecs.umich.edu break; 646334Sgblack@eecs.umich.edu 656334Sgblack@eecs.umich.edu case ObjectFile::Linux: 666334Sgblack@eecs.umich.edu process = new AlphaLinuxProcess(nm, objFile, system, 676334Sgblack@eecs.umich.edu stdin_fd, stdout_fd, stderr_fd, 686334Sgblack@eecs.umich.edu argv, envp); 696334Sgblack@eecs.umich.edu break; 706334Sgblack@eecs.umich.edu 716334Sgblack@eecs.umich.edu default: 726334Sgblack@eecs.umich.edu fatal("Unknown/unsupported operating system."); 736334Sgblack@eecs.umich.edu } 746334Sgblack@eecs.umich.edu 756334Sgblack@eecs.umich.edu if (process == NULL) 766334Sgblack@eecs.umich.edu fatal("Unknown error creating process object."); 776334Sgblack@eecs.umich.edu return process; 786334Sgblack@eecs.umich.edu} 796334Sgblack@eecs.umich.edu 806334Sgblack@eecs.umich.eduAlphaLiveProcess::AlphaLiveProcess(const std::string &nm, ObjectFile *objFile, 816334Sgblack@eecs.umich.edu System *_system, int stdin_fd, int stdout_fd, int stderr_fd, 826334Sgblack@eecs.umich.edu std::vector<std::string> &argv, std::vector<std::string> &envp) 836334Sgblack@eecs.umich.edu : LiveProcess(nm, objFile, _system, stdin_fd, stdout_fd, stderr_fd, 846334Sgblack@eecs.umich.edu argv, envp) 856334Sgblack@eecs.umich.edu{ 866334Sgblack@eecs.umich.edu brk_point = objFile->dataBase() + objFile->dataSize() + objFile->bssSize(); 876334Sgblack@eecs.umich.edu brk_point = roundUp(brk_point, VMPageSize); 886334Sgblack@eecs.umich.edu 896334Sgblack@eecs.umich.edu // Set up stack. On Alpha, stack goes below text section. This 906334Sgblack@eecs.umich.edu // code should get moved to some architecture-specific spot. 919384SAndreas.Sandberg@arm.com stack_base = objFile->textBase() - (409600+4096); 9210033SAli.Saidi@ARM.com 936334Sgblack@eecs.umich.edu // Set up region for mmaps. Tru64 seems to start just above 0 and 946334Sgblack@eecs.umich.edu // grow up from there. 956334Sgblack@eecs.umich.edu mmap_start = mmap_end = 0x10000; 966334Sgblack@eecs.umich.edu 976334Sgblack@eecs.umich.edu // Set pointer for next thread stack. Reserve 8M for main stack. 986334Sgblack@eecs.umich.edu next_thread_stack_base = stack_base - (8 * 1024 * 1024); 996334Sgblack@eecs.umich.edu 1006334Sgblack@eecs.umich.edu} 1016334Sgblack@eecs.umich.edu 1026334Sgblack@eecs.umich.eduvoid 1036334Sgblack@eecs.umich.eduAlphaLiveProcess::startup() 1046376Sgblack@eecs.umich.edu{ 1056376Sgblack@eecs.umich.edu argsInit(MachineBytes, VMPageSize); 1066334Sgblack@eecs.umich.edu 1076334Sgblack@eecs.umich.edu execContexts[0]->setIntReg(GlobalPointerReg, objFile->globalPointer()); 1086334Sgblack@eecs.umich.edu} 1096383Sgblack@eecs.umich.edu 1106383Sgblack@eecs.umich.edu 1116383Sgblack@eecs.umich.edu 1126383Sgblack@eecs.umich.edu 1136383Sgblack@eecs.umich.eduBEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaLiveProcess) 1146383Sgblack@eecs.umich.edu 1156383Sgblack@eecs.umich.edu VectorParam<string> cmd; 1166383Sgblack@eecs.umich.edu Param<string> executable; 1176334Sgblack@eecs.umich.edu Param<string> input; 1186334Sgblack@eecs.umich.edu Param<string> output; 1196334Sgblack@eecs.umich.edu VectorParam<string> env; 1208181Sksewell@umich.edu SimObjectParam<System *> system; 1218181Sksewell@umich.edu 1226334Sgblack@eecs.umich.eduEND_DECLARE_SIM_OBJECT_PARAMS(AlphaLiveProcess) 1236334Sgblack@eecs.umich.edu 1246334Sgblack@eecs.umich.edu 1256334Sgblack@eecs.umich.eduBEGIN_INIT_SIM_OBJECT_PARAMS(AlphaLiveProcess) 1266334Sgblack@eecs.umich.edu 1276383Sgblack@eecs.umich.edu INIT_PARAM(cmd, "command line (executable plus arguments)"), 1286383Sgblack@eecs.umich.edu INIT_PARAM(executable, "executable (overrides cmd[0] if set)"), 1296383Sgblack@eecs.umich.edu INIT_PARAM(input, "filename for stdin (dflt: use sim stdin)"), 1306383Sgblack@eecs.umich.edu INIT_PARAM(output, "filename for stdout/stderr (dflt: use sim stdout)"), 1316383Sgblack@eecs.umich.edu INIT_PARAM(env, "environment settings"), 1326383Sgblack@eecs.umich.edu INIT_PARAM(system, "system") 1336334Sgblack@eecs.umich.edu 1346334Sgblack@eecs.umich.eduEND_INIT_SIM_OBJECT_PARAMS(AlphaLiveProcess) 1356334Sgblack@eecs.umich.edu 1366334Sgblack@eecs.umich.edu 1378181Sksewell@umich.eduCREATE_SIM_OBJECT(AlphaLiveProcess) 1386334Sgblack@eecs.umich.edu{ 1396334Sgblack@eecs.umich.edu string in = input; 1406334Sgblack@eecs.umich.edu string out = output; 1418181Sksewell@umich.edu 1426334Sgblack@eecs.umich.edu // initialize file descriptors to default: same as simulator 1436334Sgblack@eecs.umich.edu int stdin_fd, stdout_fd, stderr_fd; 1449384SAndreas.Sandberg@arm.com 1459384SAndreas.Sandberg@arm.com if (in == "stdin" || in == "cin") 1469384SAndreas.Sandberg@arm.com stdin_fd = STDIN_FILENO; 1479384SAndreas.Sandberg@arm.com else 1489384SAndreas.Sandberg@arm.com stdin_fd = Process::openInputFile(input); 1499384SAndreas.Sandberg@arm.com 1506334Sgblack@eecs.umich.edu if (out == "stdout" || out == "cout") 1518181Sksewell@umich.edu stdout_fd = STDOUT_FILENO; 1528181Sksewell@umich.edu else if (out == "stderr" || out == "cerr") 1538181Sksewell@umich.edu stdout_fd = STDERR_FILENO; 1548181Sksewell@umich.edu else 1558181Sksewell@umich.edu stdout_fd = Process::openOutputFile(out); 1568181Sksewell@umich.edu 1578181Sksewell@umich.edu stderr_fd = (stdout_fd != STDOUT_FILENO) ? stdout_fd : STDERR_FILENO; 1588181Sksewell@umich.edu 1598181Sksewell@umich.edu return AlphaLiveProcess::create(getInstanceName(), system, 1608181Sksewell@umich.edu stdin_fd, stdout_fd, stderr_fd, 1618181Sksewell@umich.edu (string)executable == "" ? cmd[0] : executable, 1628181Sksewell@umich.edu cmd, env); 1638181Sksewell@umich.edu} 1648181Sksewell@umich.edu 1656334Sgblack@eecs.umich.edu 1666334Sgblack@eecs.umich.eduREGISTER_SIM_OBJECT("AlphaLiveProcess", AlphaLiveProcess) 1678181Sksewell@umich.edu 1686334Sgblack@eecs.umich.edu