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