216d828f41
Change-Id: I39cf64c025c284b63980f3c2e48fbd8b6c355d2b Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23452 Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu> Maintainer: Gabe Black <gabeblack@google.com> Tested-by: kokoro <noreply+kokoro@google.com>
480 lines
15 KiB
C++
480 lines
15 KiB
C++
/*
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* Copyright (c) 2003-2005 The Regents of The University of Michigan
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* Copyright (c) 2007-2008 The Florida State University
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* Copyright (c) 2009 The University of Edinburgh
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "arch/power/linux/process.hh"
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#include "arch/power/isa_traits.hh"
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#include "arch/power/linux/linux.hh"
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#include "base/loader/object_file.hh"
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#include "base/trace.hh"
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#include "cpu/thread_context.hh"
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#include "kern/linux/linux.hh"
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#include "sim/process.hh"
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#include "sim/syscall_desc.hh"
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#include "sim/syscall_emul.hh"
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#include "sim/system.hh"
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using namespace std;
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using namespace PowerISA;
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namespace
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{
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class PowerLinuxObjectFileLoader : public Process::Loader
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{
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public:
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Process *
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load(ProcessParams *params, ObjectFile *obj_file) override
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{
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if (obj_file->getArch() != ObjectFile::Power)
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return nullptr;
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auto opsys = obj_file->getOpSys();
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if (opsys == ObjectFile::UnknownOpSys) {
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warn("Unknown operating system; assuming Linux.");
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opsys = ObjectFile::Linux;
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}
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if (opsys != ObjectFile::Linux)
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return nullptr;
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return new PowerLinuxProcess(params, obj_file);
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}
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};
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PowerLinuxObjectFileLoader loader;
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} // anonymous namespace
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/// Target uname() handler.
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static SyscallReturn
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unameFunc(SyscallDesc *desc, int callnum, ThreadContext *tc, Addr utsname)
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{
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auto process = tc->getProcessPtr();
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TypedBufferArg<Linux::utsname> name(utsname);
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strcpy(name->sysname, "Linux");
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strcpy(name->nodename, "sim.gem5.org");
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strcpy(name->release, process->release.c_str());
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strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
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strcpy(name->machine, "power");
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name.copyOut(tc->getVirtProxy());
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return 0;
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}
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SyscallDescABI<PowerProcess::SyscallABI> PowerLinuxProcess::syscallDescs[] = {
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/* 0 */ { "syscall" },
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/* 1 */ { "exit", exitFunc },
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/* 2 */ { "fork" },
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/* 3 */ { "read", readFunc<PowerLinux> },
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/* 4 */ { "write", writeFunc<PowerLinux> },
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/* 5 */ { "open", openFunc<PowerLinux> },
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/* 6 */ { "close", closeFunc },
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/* 7 */ { "waitpid" }, //???
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/* 8 */ { "creat" },
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/* 9 */ { "link" },
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/* 10 */ { "unlink", unlinkFunc },
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/* 11 */ { "execve" },
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/* 12 */ { "chdir" },
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/* 13 */ { "time", timeFunc<PowerLinux> },
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/* 14 */ { "mknod" },
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/* 15 */ { "chmod", chmodFunc<PowerLinux> },
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/* 16 */ { "lchown", chownFunc },
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/* 17 */ { "break", brkFunc }, //???
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/* 18 */ { "unused#18" }, //???
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/* 19 */ { "lseek", lseekFunc },
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/* 20 */ { "getpid", getpidFunc },
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/* 21 */ { "mount" },
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/* 22 */ { "umount" },
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/* 23 */ { "setuid", ignoreFunc },
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/* 24 */ { "getuid", getuidFunc },
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/* 25 */ { "stime" },
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/* 26 */ { "ptrace" },
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/* 27 */ { "alarm" },
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/* 28 */ { "unused#28" },
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/* 29 */ { "pause" },
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/* 30 */ { "utime" },
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/* 31 */ { "stty" },
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/* 32 */ { "gtty" },
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/* 33 */ { "access" },
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/* 34 */ { "nice" },
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/* 35 */ { "ftime" },
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/* 36 */ { "sync" },
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/* 37 */ { "kill", ignoreFunc },
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/* 38 */ { "rename", renameFunc },
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/* 39 */ { "mkdir" },
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/* 40 */ { "rmdir" },
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/* 41 */ { "dup", dupFunc },
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/* 42 */ { "pipe" },
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/* 43 */ { "times", timesFunc<PowerLinux> },
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/* 44 */ { "prof" },
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/* 45 */ { "brk", brkFunc },
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/* 46 */ { "setgid" },
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/* 47 */ { "getgid", getgidFunc },
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/* 48 */ { "signal", ignoreFunc },
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/* 49 */ { "geteuid", geteuidFunc },
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/* 50 */ { "getegid", getegidFunc },
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/* 51 */ { "acct" },
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/* 52 */ { "umount2" },
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/* 53 */ { "lock" },
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/* 54 */ { "ioctl", ioctlFunc<PowerLinux> },
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/* 55 */ { "fcntl", fcntlFunc },
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/* 56 */ { "mpx" },
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/* 57 */ { "setpgid" },
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/* 58 */ { "ulimit" },
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/* 59 */ { "unused#59" },
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/* 60 */ { "umask", umaskFunc },
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/* 61 */ { "chroot" },
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/* 62 */ { "ustat" },
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/* 63 */ { "dup2" },
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/* 64 */ { "getppid", getpagesizeFunc },
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/* 65 */ { "getpgrp" },
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/* 66 */ { "setsid" },
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/* 67 */ { "sigaction" },
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/* 68 */ { "sgetmask" },
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/* 69 */ { "ssetmask" },
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/* 70 */ { "setreuid" },
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/* 71 */ { "setregid" },
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/* 72 */ { "sigsuspend" },
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/* 73 */ { "sigpending" },
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/* 74 */ { "sethostname", ignoreFunc },
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/* 75 */ { "setrlimit", ignoreFunc },
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/* 76 */ { "getrlimit" },
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/* 77 */ { "getrusage", ignoreFunc },
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/* 78 */ { "gettimeofday" },
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/* 79 */ { "settimeofday" },
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/* 80 */ { "getgroups" },
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/* 81 */ { "setgroups" },
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/* 82 */ { "reserved#82" },
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/* 83 */ { "symlink" },
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/* 84 */ { "unused#84" },
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/* 85 */ { "readlink" },
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/* 86 */ { "uselib" },
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/* 87 */ { "swapon", gethostnameFunc },
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/* 88 */ { "reboot" },
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/* 89 */ { "readdir" },
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/* 90 */ { "mmap", mmapFunc<PowerLinux> },
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/* 91 */ { "munmap",munmapFunc },
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/* 92 */ { "truncate", truncateFunc },
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/* 93 */ { "ftruncate", ftruncateFunc },
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/* 94 */ { "fchmod" },
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/* 95 */ { "fchown" },
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/* 96 */ { "getpriority" },
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/* 97 */ { "setpriority" },
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/* 98 */ { "profil" },
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/* 99 */ { "statfs" },
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/* 100 */ { "fstatfs" },
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/* 101 */ { "ioperm" },
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/* 102 */ { "socketcall" },
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/* 103 */ { "syslog" },
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/* 104 */ { "setitimer" },
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/* 105 */ { "getitimer" },
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/* 106 */ { "stat", statFunc<PowerLinux> },
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/* 107 */ { "lstat" },
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/* 108 */ { "fstat", fstatFunc<PowerLinux> },
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/* 109 */ { "unused#109" },
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/* 110 */ { "iopl" },
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/* 111 */ { "vhangup" },
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/* 112 */ { "idle", ignoreFunc },
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/* 113 */ { "vm86" },
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/* 114 */ { "wait4" },
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/* 115 */ { "swapoff" },
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/* 116 */ { "sysinfo" },
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/* 117 */ { "ipc" },
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/* 118 */ { "fsync" },
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/* 119 */ { "sigreturn" },
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/* 120 */ { "clone" },
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/* 121 */ { "setdomainname" },
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/* 122 */ { "uname", unameFunc },
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/* 123 */ { "modify_ldt" },
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/* 124 */ { "adjtimex" },
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/* 125 */ { "mprotect", ignoreFunc },
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/* 126 */ { "sigprocmask" },
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/* 127 */ { "create_module" },
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/* 128 */ { "init_module" },
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/* 129 */ { "delete_module" },
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/* 130 */ { "get_kernel_syms" },
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/* 131 */ { "quotactl" },
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/* 132 */ { "getpgid" },
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/* 133 */ { "fchdir" },
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/* 134 */ { "bdflush" },
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/* 135 */ { "sysfs" },
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/* 136 */ { "personality" },
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/* 137 */ { "afs_syscall" },
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/* 138 */ { "setfsuid" },
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/* 139 */ { "setfsgid" },
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/* 140 */ { "llseek", _llseekFunc },
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/* 141 */ { "getdents" },
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/* 142 */ { "newselect" },
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/* 143 */ { "flock" },
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/* 144 */ { "msync" },
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/* 145 */ { "readv" },
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/* 146 */ { "writev", writevFunc<PowerLinux> },
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/* 147 */ { "getsid" },
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/* 148 */ { "fdatasync" },
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/* 149 */ { "sysctl" },
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/* 150 */ { "mlock" },
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/* 151 */ { "munlock" },
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/* 152 */ { "mlockall" },
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/* 153 */ { "munlockall" },
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/* 154 */ { "sched_setparam" },
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/* 155 */ { "sched_getparam" },
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/* 156 */ { "sched_setscheduler" },
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/* 157 */ { "sched_getscheduler" },
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/* 158 */ { "sched_yield" },
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/* 159 */ { "sched_get_priority_max" },
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/* 160 */ { "sched_get_priority_min" },
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/* 161 */ { "sched_rr_get_interval" },
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/* 162 */ { "nanosleep" },
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/* 163 */ { "mremap" },
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/* 164 */ { "setresuid" },
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/* 165 */ { "getresuid" },
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/* 166 */ { "vm862" },
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/* 167 */ { "query_module" },
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/* 168 */ { "poll" },
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/* 169 */ { "nfsservctl" },
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/* 170 */ { "setresgid" },
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/* 171 */ { "getresgid" },
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/* 172 */ { "prctl" },
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/* 173 */ { "rt_sigaction", ignoreFunc },
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/* 174 */ { "rt_sigprocmask" },
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/* 175 */ { "unknown#175" },
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/* 176 */ { "rt_sigpending" },
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/* 177 */ { "rt_sigtimedwait" },
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/* 178 */ { "rt_sigqueueinfo", ignoreFunc },
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/* 179 */ { "rt_sigsuspend" },
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/* 180 */ { "pread64" },
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/* 181 */ { "pwrite64" },
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/* 182 */ { "chown" },
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/* 183 */ { "getcwd" },
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/* 184 */ { "capget" },
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/* 185 */ { "capset" },
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/* 186 */ { "sigaltstack" },
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/* 187 */ { "sendfile" },
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/* 188 */ { "getpmsg" },
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/* 189 */ { "putpmsg" },
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/* 190 */ { "ugetrlimit", ignoreFunc },
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/* 191 */ { "getrlimit" },
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/* 192 */ { "mmap2", mmapFunc<PowerLinux> },
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/* 193 */ { "truncate64" },
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/* 194 */ { "ftruncate64", ftruncate64Func },
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/* 195 */ { "stat64", stat64Func<PowerLinux> },
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/* 196 */ { "lstat64", lstat64Func<PowerLinux> },
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/* 197 */ { "fstat64", fstat64Func<PowerLinux> },
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/* 198 */ { "lchown" },
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/* 199 */ { "getuid", getuidFunc },
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/* 200 */ { "getgid", getgidFunc },
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/* 201 */ { "geteuid", geteuidFunc },
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/* 202 */ { "getegid", getegidFunc },
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/* 203 */ { "setreuid" },
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/* 204 */ { "fcntl64", fcntl64Func },
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/* 205 */ { "getgroups" },
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/* 206 */ { "setgroups" },
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/* 207 */ { "fchown" },
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/* 208 */ { "setresuid" },
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/* 209 */ { "getresuid" },
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/* 210 */ { "setresgid" },
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/* 211 */ { "getresgid" },
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/* 212 */ { "chown" },
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/* 213 */ { "setuid" },
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/* 214 */ { "setgid" },
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/* 215 */ { "setfsuid" },
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/* 216 */ { "setfsgid" },
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/* 217 */ { "getdents64" },
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/* 218 */ { "pivot_root" },
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/* 219 */ { "mincore" },
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/* 220 */ { "madvise" },
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/* 221 */ { "unknown#221" },
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/* 222 */ { "tux" },
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/* 223 */ { "unknown#223" },
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/* 224 */ { "gettid" },
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/* 225 */ { "readahead" },
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/* 226 */ { "setxattr" },
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/* 227 */ { "lsetxattr" },
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/* 228 */ { "fsetxattr" },
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/* 229 */ { "getxattr" },
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/* 230 */ { "lgetxattr" },
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/* 231 */ { "fgetxattr" },
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/* 232 */ { "listxattr" },
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/* 233 */ { "llistxattr" },
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/* 234 */ { "exit_group", exitGroupFunc },
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/* 235 */ { "removexattr" },
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/* 236 */ { "lremovexattr" },
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/* 237 */ { "fremovexattr" },
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/* 238 */ { "tkill" },
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/* 239 */ { "sendfile64" },
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/* 240 */ { "futex" },
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/* 241 */ { "sched_setaffinity" },
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/* 242 */ { "sched_getaffinity" },
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/* 243 */ { "io_setup" },
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/* 244 */ { "io_destory" },
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/* 245 */ { "io_getevents" },
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/* 246 */ { "io_submit" },
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/* 247 */ { "io_cancel" },
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/* 248 */ { "unknown#248" },
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/* 249 */ { "lookup_dcookie" },
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/* 250 */ { "epoll_create" },
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/* 251 */ { "epoll_ctl" },
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/* 252 */ { "epoll_wait" },
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/* 253 */ { "remap_file_pages" },
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/* 254 */ { "set_thread_area" },
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/* 255 */ { "get_thread_area" },
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/* 256 */ { "set_tid_address" },
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/* 257 */ { "timer_create" },
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/* 258 */ { "timer_settime" },
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/* 259 */ { "timer_gettime" },
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/* 260 */ { "timer_getoverrun" },
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/* 261 */ { "timer_delete" },
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/* 262 */ { "clock_settime" },
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/* 263 */ { "clock_gettime" },
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/* 264 */ { "clock_getres" },
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/* 265 */ { "clock_nanosleep" },
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/* 266 */ { "statfs64" },
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/* 267 */ { "fstatfs64" },
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/* 268 */ { "tgkill" },
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/* 269 */ { "utimes" },
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/* 270 */ { "arm_fadvise64_64" },
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/* 271 */ { "pciconfig_iobase" },
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/* 272 */ { "pciconfig_read" },
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/* 273 */ { "pciconfig_write" },
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/* 274 */ { "mq_open" },
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/* 275 */ { "mq_unlink" },
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/* 276 */ { "mq_timedsend" },
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/* 277 */ { "mq_timedreceive" },
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/* 278 */ { "mq_notify" },
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/* 279 */ { "mq_getsetattr" },
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/* 280 */ { "waitid" },
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/* 281 */ { "socket" },
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/* 282 */ { "bind" },
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/* 283 */ { "connect" },
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/* 284 */ { "listen" },
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/* 285 */ { "accept" },
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/* 286 */ { "getsockname" },
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/* 287 */ { "getpeername" },
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/* 288 */ { "socketpair" },
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/* 289 */ { "send" },
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/* 290 */ { "sendto" },
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/* 291 */ { "recv" },
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/* 292 */ { "recvfrom" },
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/* 293 */ { "shutdown" },
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/* 294 */ { "setsockopt" },
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/* 295 */ { "getsockopt" },
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/* 296 */ { "sendmsg" },
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/* 297 */ { "rcvmsg" },
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/* 298 */ { "semop" },
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/* 299 */ { "semget" },
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/* 300 */ { "semctl" },
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/* 301 */ { "msgsend" },
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/* 302 */ { "msgrcv" },
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/* 303 */ { "msgget" },
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/* 304 */ { "msgctl" },
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/* 305 */ { "shmat" },
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/* 306 */ { "shmdt" },
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/* 307 */ { "shmget" },
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/* 308 */ { "shmctl" },
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/* 309 */ { "add_key" },
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/* 310 */ { "request_key" },
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/* 311 */ { "keyctl" },
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/* 312 */ { "semtimedop" },
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/* 313 */ { "vserver" },
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/* 314 */ { "ioprio_set" },
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/* 315 */ { "ioprio_get" },
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/* 316 */ { "inotify_init" },
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/* 317 */ { "inotify_add_watch" },
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/* 318 */ { "inotify_rm_watch" },
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/* 319 */ { "mbind" },
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/* 320 */ { "get_mempolicy" },
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/* 321 */ { "set_mempolicy" },
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/* 322 */ { "openat" },
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/* 323 */ { "mkdirat" },
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/* 324 */ { "mknodat" },
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/* 325 */ { "fchownat" },
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/* 326 */ { "futimesat" },
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/* 327 */ { "fstatat64" },
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/* 328 */ { "unlinkat" },
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/* 329 */ { "renameat" },
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/* 330 */ { "linkat" },
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/* 331 */ { "symlinkat" },
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/* 332 */ { "readlinkat" },
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/* 333 */ { "fchmodat" },
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/* 334 */ { "faccessat" },
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/* 335 */ { "pselect6" },
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/* 336 */ { "ppoll" },
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/* 337 */ { "unshare" },
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/* 338 */ { "set_robust_list" },
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/* 339 */ { "get_robust_list" },
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/* 340 */ { "splice" },
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/* 341 */ { "arm_sync_file_range" },
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/* 342 */ { "tee" },
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/* 343 */ { "vmsplice" },
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/* 344 */ { "move_pages" },
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/* 345 */ { "getcpu" },
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/* 346 */ { "epoll_pwait" },
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};
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PowerLinuxProcess::PowerLinuxProcess(ProcessParams * params,
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ObjectFile *objFile)
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: PowerProcess(params, objFile),
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Num_Syscall_Descs(sizeof(syscallDescs) / sizeof(SyscallDesc))
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{
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}
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SyscallDesc*
|
|
PowerLinuxProcess::getDesc(int callnum)
|
|
{
|
|
if (callnum < 0 || callnum > Num_Syscall_Descs)
|
|
return NULL;
|
|
|
|
return &syscallDescs[callnum];
|
|
}
|
|
|
|
void
|
|
PowerLinuxProcess::initState()
|
|
{
|
|
PowerProcess::initState();
|
|
}
|
|
|
|
void
|
|
PowerLinuxProcess::syscall(ThreadContext *tc, Fault *fault)
|
|
{
|
|
doSyscall(tc->readIntReg(0), tc, fault);
|
|
}
|
|
|
|
RegVal
|
|
PowerLinuxProcess::getSyscallArg(ThreadContext *tc, int &i)
|
|
{
|
|
// Linux apparently allows more parameter than the ABI says it should.
|
|
// This limit may need to be increased even further.
|
|
assert(i < 6);
|
|
return tc->readIntReg(ArgumentReg0 + i++);
|
|
}
|