gem5  v22.1.0.0
se_workload.cc
Go to the documentation of this file.
1 /*
2  * Copyright 2003-2005 The Regents of The University of Michigan
3  * Copyright 2007-2008 The Florida State University
4  * Copyright 2009 The University of Edinburgh
5  * Copyright 2020 Google Inc.
6  * Copyright 2021 IBM Corporation
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions are
10  * met: redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer;
12  * redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution;
15  * neither the name of the copyright holders nor the names of its
16  * contributors may be used to endorse or promote products derived from
17  * this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 
33 
34 #include <sys/syscall.h>
35 
36 #include "arch/power/process.hh"
38 #include "base/trace.hh"
39 #include "cpu/thread_context.hh"
40 #include "sim/syscall_emul.hh"
41 
42 namespace gem5
43 {
44 
45 namespace
46 {
47 
48 class LinuxLoader : public Process::Loader
49 {
50  public:
51  Process *
52  load(const ProcessParams &params, loader::ObjectFile *obj) override
53  {
54  auto arch = obj->getArch();
55 
56  if (arch != loader::Power && arch != loader::Power64)
57  return nullptr;
58 
59  auto opsys = obj->getOpSys();
60 
61  if (opsys == loader::UnknownOpSys) {
62  warn("Unknown operating system; assuming Linux.");
63  opsys = loader::Linux;
64  }
65 
66  if ((arch == loader::Power && opsys != loader::Linux) ||
67  (arch == loader::Power64 &&
68  opsys != loader::LinuxPower64ABIv1 &&
69  opsys != loader::LinuxPower64ABIv2))
70  return nullptr;
71 
72  return new PowerProcess(params, obj);
73  }
74 };
75 
76 LinuxLoader linuxLoader;
77 
78 } // anonymous namespace
79 
80 namespace PowerISA
81 {
82 
83 void
85 {
86  Process *process = tc->getProcessPtr();
87  // Call the syscall function in the base Process class to update stats.
88  // This will move into the base SEWorkload function at some point.
89  process->Process::syscall(tc);
90 
91  syscallDescs.get(tc->getReg(int_reg::R0))->doSyscall(tc);
92 }
93 
95 static SyscallReturn
97 {
98  auto process = tc->getProcessPtr();
99 
100  strcpy(name->sysname, "Linux");
101  strcpy(name->nodename, "sim.gem5.org");
102  strcpy(name->release, process->release.c_str());
103  strcpy(name->version, "#1 Mon Aug 18 11:32:15 EDT 2003");
104  strcpy(name->machine, "power");
105 
106  return 0;
107 }
108 
110  { 0, "syscall" },
111  { 1, "exit", exitFunc },
112  { 2, "fork" },
113  { 3, "read", readFunc<PowerLinux> },
114  { 4, "write", writeFunc<PowerLinux> },
115  { 5, "open", openFunc<PowerLinux> },
116  { 6, "close", closeFunc },
117  { 7, "waitpid" }, //???
118  { 8, "creat" },
119  { 9, "link" },
120  { 10, "unlink", unlinkFunc },
121  { 11, "execve" },
122  { 12, "chdir" },
123  { 13, "time", timeFunc<PowerLinux> },
124  { 14, "mknod" },
125  { 15, "chmod", chmodFunc<PowerLinux> },
126  { 16, "lchown", chownFunc },
127  { 17, "break", brkFunc }, //???
128  { 18, "unused#18" }, //???
129  { 19, "lseek", lseekFunc },
130  { 20, "getpid", getpidFunc },
131  { 21, "mount" },
132  { 22, "umount" },
133  { 23, "setuid", ignoreFunc },
134  { 24, "getuid", getuidFunc },
135  { 25, "stime" },
136  { 26, "ptrace" },
137  { 27, "alarm" },
138  { 28, "unused#28" },
139  { 29, "pause" },
140  { 30, "utime" },
141  { 31, "stty" },
142  { 32, "gtty" },
143  { 33, "access" },
144  { 34, "nice" },
145  { 35, "ftime" },
146  { 36, "sync" },
147  { 37, "kill", ignoreFunc },
148  { 38, "rename", renameFunc },
149  { 39, "mkdir" },
150  { 40, "rmdir" },
151  { 41, "dup", dupFunc },
152  { 42, "pipe" },
153  { 43, "times", timesFunc<PowerLinux> },
154  { 44, "prof" },
155  { 45, "brk", brkFunc },
156  { 46, "setgid" },
157  { 47, "getgid", getgidFunc },
158  { 48, "signal", ignoreFunc },
159  { 49, "geteuid", geteuidFunc },
160  { 50, "getegid", getegidFunc },
161  { 51, "acct" },
162  { 52, "umount2" },
163  { 53, "lock" },
164  { 54, "ioctl", ioctlFunc<PowerLinux> },
165  { 55, "fcntl", fcntlFunc },
166  { 56, "mpx" },
167  { 57, "setpgid" },
168  { 58, "ulimit" },
169  { 59, "unused#59" },
170  { 60, "umask", umaskFunc },
171  { 61, "chroot" },
172  { 62, "ustat" },
173  { 63, "dup2" },
174  { 64, "getppid", getpagesizeFunc },
175  { 65, "getpgrp" },
176  { 66, "setsid" },
177  { 67, "sigaction" },
178  { 68, "sgetmask" },
179  { 69, "ssetmask" },
180  { 70, "setreuid" },
181  { 71, "setregid" },
182  { 72, "sigsuspend" },
183  { 73, "sigpending" },
184  { 74, "sethostname", ignoreFunc },
185  { 75, "setrlimit", ignoreFunc },
186  { 76, "getrlimit" },
187  { 77, "getrusage", ignoreFunc },
188  { 78, "gettimeofday" },
189  { 79, "settimeofday" },
190  { 80, "getgroups" },
191  { 81, "setgroups" },
192  { 82, "reserved#82" },
193  { 83, "symlink" },
194  { 84, "unused#84" },
195  { 85, "readlink", readlinkFunc<PowerLinux> },
196  { 86, "uselib" },
197  { 87, "swapon", gethostnameFunc },
198  { 88, "reboot" },
199  { 89, "readdir" },
200  { 90, "mmap", mmapFunc<PowerLinux> },
201  { 91, "munmap",munmapFunc<PowerLinux> },
202  { 92, "truncate", truncateFunc<PowerLinux> },
203  { 93, "ftruncate", ftruncateFunc<PowerLinux> },
204  { 94, "fchmod" },
205  { 95, "fchown" },
206  { 96, "getpriority" },
207  { 97, "setpriority" },
208  { 98, "profil" },
209  { 99, "statfs" },
210  { 100, "fstatfs" },
211  { 101, "ioperm" },
212  { 102, "socketcall" },
213  { 103, "syslog" },
214  { 104, "setitimer" },
215  { 105, "getitimer" },
216  { 106, "stat", statFunc<PowerLinux> },
217  { 107, "lstat" },
218  { 108, "fstat", fstatFunc<PowerLinux> },
219  { 109, "unused#109" },
220  { 110, "iopl" },
221  { 111, "vhangup" },
222  { 112, "idle", ignoreFunc },
223  { 113, "vm86" },
224  { 114, "wait4" },
225  { 115, "swapoff" },
226  { 116, "sysinfo" },
227  { 117, "ipc" },
228  { 118, "fsync" },
229  { 119, "sigreturn" },
230  { 120, "clone", cloneBackwardsFunc<PowerLinux> },
231  { 121, "setdomainname" },
232  { 122, "uname", unameFunc },
233  { 123, "modify_ldt" },
234  { 124, "adjtimex" },
235  { 125, "mprotect", ignoreFunc },
236  { 126, "sigprocmask" },
237  { 127, "create_module" },
238  { 128, "init_module" },
239  { 129, "delete_module" },
240  { 130, "get_kernel_syms" },
241  { 131, "quotactl" },
242  { 132, "getpgid" },
243  { 133, "fchdir" },
244  { 134, "bdflush" },
245  { 135, "sysfs" },
246  { 136, "personality" },
247  { 137, "afs_syscall" },
248  { 138, "setfsuid" },
249  { 139, "setfsgid" },
250  { 140, "llseek", _llseekFunc },
251  { 141, "getdents" },
252  { 142, "newselect" },
253  { 143, "flock" },
254  { 144, "msync" },
255  { 145, "readv" },
256  { 146, "writev", writevFunc<PowerLinux> },
257  { 147, "getsid" },
258  { 148, "fdatasync" },
259  { 149, "sysctl" },
260  { 150, "mlock" },
261  { 151, "munlock" },
262  { 152, "mlockall" },
263  { 153, "munlockall" },
264  { 154, "sched_setparam" },
265  { 155, "sched_getparam" },
266  { 156, "sched_setscheduler" },
267  { 157, "sched_getscheduler" },
268  { 158, "sched_yield" },
269  { 159, "sched_get_priority_max" },
270  { 160, "sched_get_priority_min" },
271  { 161, "sched_rr_get_interval" },
272  { 162, "nanosleep" },
273  { 163, "mremap" },
274  { 164, "setresuid" },
275  { 165, "getresuid" },
276  { 166, "vm862" },
277  { 167, "query_module" },
278  { 168, "poll" },
279  { 169, "nfsservctl" },
280  { 170, "setresgid" },
281  { 171, "getresgid" },
282  { 172, "prctl" },
283  { 173, "rt_sigaction", ignoreFunc },
284  { 174, "rt_sigprocmask" },
285  { 175, "unknown#175" },
286  { 176, "rt_sigpending" },
287  { 177, "rt_sigtimedwait" },
288  { 178, "rt_sigqueueinfo", ignoreFunc },
289  { 179, "rt_sigsuspend" },
290  { 180, "pread64" },
291  { 181, "pwrite64" },
292  { 182, "chown" },
293  { 183, "getcwd" },
294  { 184, "capget" },
295  { 185, "capset" },
296  { 186, "sigaltstack" },
297  { 187, "sendfile" },
298  { 188, "getpmsg" },
299  { 189, "putpmsg" },
300  { 190, "ugetrlimit", ignoreFunc },
301  { 191, "getrlimit" },
302  { 192, "mmap2", mmapFunc<PowerLinux> },
303  { 193, "truncate64" },
304  { 194, "ftruncate64", ftruncate64Func },
305  { 195, "stat64", stat64Func<PowerLinux> },
306  { 196, "lstat64", lstat64Func<PowerLinux> },
307  { 197, "fstat64", fstat64Func<PowerLinux> },
308  { 198, "lchown" },
309  { 199, "getuid", getuidFunc },
310  { 200, "getgid", getgidFunc },
311  { 201, "geteuid", geteuidFunc },
312  { 202, "getegid", getegidFunc },
313  { 203, "setreuid" },
314  { 204, "fcntl64", fcntl64Func },
315  { 205, "getgroups" },
316  { 206, "setgroups" },
317  { 207, "fchown" },
318  { 208, "setresuid" },
319  { 209, "getresuid" },
320  { 210, "setresgid" },
321  { 211, "getresgid" },
322  { 212, "chown" },
323  { 213, "setuid" },
324  { 214, "setgid" },
325  { 215, "setfsuid" },
326  { 216, "setfsgid" },
327  { 217, "getdents64" },
328  { 218, "pivot_root" },
329  { 219, "mincore" },
330  { 220, "madvise" },
331  { 221, "unknown#221" },
332  { 222, "tux" },
333  { 223, "unknown#223" },
334  { 224, "gettid" },
335  { 225, "readahead" },
336  { 226, "setxattr" },
337  { 227, "lsetxattr" },
338  { 228, "fsetxattr" },
339  { 229, "getxattr" },
340  { 230, "lgetxattr" },
341  { 231, "fgetxattr" },
342  { 232, "listxattr" },
343  { 233, "llistxattr" },
344  { 234, "exit_group", exitGroupFunc },
345  { 235, "removexattr" },
346  { 236, "lremovexattr" },
347  { 237, "fremovexattr" },
348  { 238, "tkill" },
349  { 239, "sendfile64" },
350  { 240, "futex" },
351  { 241, "sched_setaffinity" },
352  { 242, "sched_getaffinity" },
353  { 243, "io_setup" },
354  { 244, "io_destory" },
355  { 245, "io_getevents" },
356  { 246, "io_submit" },
357  { 247, "io_cancel" },
358  { 248, "unknown#248" },
359  { 249, "lookup_dcookie" },
360  { 250, "epoll_create" },
361  { 251, "epoll_ctl" },
362  { 252, "epoll_wait" },
363  { 253, "remap_file_pages" },
364  { 254, "set_thread_area" },
365  { 255, "get_thread_area" },
366  { 256, "set_tid_address" },
367  { 257, "timer_create" },
368  { 258, "timer_settime" },
369  { 259, "timer_gettime" },
370  { 260, "timer_getoverrun" },
371  { 261, "timer_delete" },
372  { 262, "clock_settime" },
373  { 263, "clock_gettime" },
374  { 264, "clock_getres" },
375  { 265, "clock_nanosleep" },
376  { 266, "statfs64" },
377  { 267, "fstatfs64" },
378  { 268, "tgkill" },
379  { 269, "utimes" },
380  { 270, "arm_fadvise64_64" },
381  { 271, "pciconfig_iobase" },
382  { 272, "pciconfig_read" },
383  { 273, "pciconfig_write" },
384  { 274, "mq_open" },
385  { 275, "mq_unlink" },
386  { 276, "mq_timedsend" },
387  { 277, "mq_timedreceive" },
388  { 278, "mq_notify" },
389  { 279, "mq_getsetattr" },
390  { 280, "waitid" },
391  { 281, "socket" },
392  { 282, "bind" },
393  { 283, "connect" },
394  { 284, "listen" },
395  { 285, "accept" },
396  { 286, "getsockname" },
397  { 287, "getpeername" },
398  { 288, "socketpair" },
399  { 289, "send" },
400  { 290, "sendto" },
401  { 291, "recv" },
402  { 292, "recvfrom" },
403  { 293, "shutdown" },
404  { 294, "setsockopt" },
405  { 295, "getsockopt" },
406  { 296, "sendmsg" },
407  { 297, "rcvmsg" },
408  { 298, "semop" },
409  { 299, "semget" },
410  { 300, "semctl" },
411  { 301, "msgsend" },
412  { 302, "msgrcv" },
413  { 303, "msgget" },
414  { 304, "msgctl" },
415  { 305, "shmat" },
416  { 306, "shmdt" },
417  { 307, "shmget" },
418  { 308, "shmctl" },
419  { 309, "add_key" },
420  { 310, "request_key" },
421  { 311, "keyctl" },
422  { 312, "semtimedop" },
423  { 313, "vserver" },
424  { 314, "ioprio_set" },
425  { 315, "ioprio_get" },
426  { 316, "inotify_init" },
427  { 317, "inotify_add_watch" },
428  { 318, "inotify_rm_watch" },
429  { 319, "mbind" },
430  { 320, "get_mempolicy" },
431  { 321, "set_mempolicy" },
432  { 322, "openat" },
433  { 323, "mkdirat" },
434  { 324, "mknodat" },
435  { 325, "fchownat" },
436  { 326, "futimesat" },
437  { 327, "fstatat64" },
438  { 328, "unlinkat" },
439  { 329, "renameat" },
440  { 330, "linkat" },
441  { 331, "symlinkat" },
442  { 332, "readlinkat" },
443  { 333, "fchmodat" },
444  { 334, "faccessat" },
445  { 335, "pselect6" },
446  { 336, "ppoll" },
447  { 337, "unshare" },
448  { 338, "set_robust_list" },
449  { 339, "get_robust_list" },
450  { 340, "splice" },
451  { 341, "arm_sync_file_range" },
452  { 342, "tee" },
453  { 343, "vmsplice" },
454  { 344, "move_pages" },
455  { 345, "getcpu" },
456  { 346, "epoll_pwait" },
457 };
458 
459 } // namespace PowerISA
460 } // namespace gem5
static SyscallDescTable< SEWorkload::SyscallABI > syscallDescs
Syscall descriptors, indexed by call number.
Definition: se_workload.hh:49
void syscall(ThreadContext *tc) override
Definition: se_workload.cc:84
This class provides the wrapper interface for the system call implementations which are defined in th...
Definition: syscall_desc.hh:70
This class represents the return value from an emulated system call, including any errno setting.
ThreadContext is the external interface to all thread state for anything outside of the CPU.
virtual RegVal getReg(const RegId &reg) const
virtual Process * getProcessPtr()=0
#define warn(...)
Definition: logging.hh:246
constexpr RegId R0
Definition: int.hh:105
static SyscallReturn unameFunc(SyscallDesc *desc, ThreadContext *tc, VPtr< Linux::utsname > name)
Target uname() handler.
Definition: se_workload.cc:96
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
SyscallReturn exitGroupFunc(SyscallDesc *desc, ThreadContext *tc, int status)
Target exit_group() handler: terminate simulation. (exit all threads)
SyscallReturn brkFunc(SyscallDesc *desc, ThreadContext *tc, VPtr<> new_brk)
Target brk() handler: set brk address.
SyscallReturn getpidFunc(SyscallDesc *desc, ThreadContext *tc)
Target getpid() handler.
SyscallReturn getuidFunc(SyscallDesc *desc, ThreadContext *tc)
SyscallReturn chownFunc(SyscallDesc *desc, ThreadContext *tc, VPtr<> pathname, uint32_t owner, uint32_t group)
Target chown() handler.
SyscallReturn renameFunc(SyscallDesc *desc, ThreadContext *tc, VPtr<> oldpath, VPtr<> newpath)
Target rename() handler.
SyscallReturn _llseekFunc(SyscallDesc *desc, ThreadContext *tc, int tgt_fd, uint64_t offset_high, uint32_t offset_low, VPtr<> result_ptr, int whence)
Target _llseek() handler.
SyscallReturn geteuidFunc(SyscallDesc *desc, ThreadContext *tc)
Target geteuid() handler.
SyscallReturn unlinkFunc(SyscallDesc *desc, ThreadContext *tc, VPtr<> pathname)
Target unlink() handler.
SyscallReturn fcntl64Func(SyscallDesc *desc, ThreadContext *tc, int tgt_fd, int cmd)
Target fcntl64() handler.
SyscallReturn getpagesizeFunc(SyscallDesc *desc, ThreadContext *tc)
Target getpagesize() handler.
SyscallReturn dupFunc(SyscallDesc *desc, ThreadContext *tc, int tgt_fd)
FIXME: The file description is not shared among file descriptors created with dup.
SyscallReturn ftruncate64Func(SyscallDesc *desc, ThreadContext *tc, int tgt_fd, int64_t length)
Target ftruncate64() handler.
SyscallReturn fcntlFunc(SyscallDesc *desc, ThreadContext *tc, int tgt_fd, int cmd, guest_abi::VarArgs< int > varargs)
Target fcntl() handler.
SyscallReturn getegidFunc(SyscallDesc *desc, ThreadContext *tc)
Target getegid() handler.
SyscallReturn lseekFunc(SyscallDesc *desc, ThreadContext *tc, int tgt_fd, uint64_t offs, int whence)
Target lseek() handler.
SyscallReturn gethostnameFunc(SyscallDesc *desc, ThreadContext *tc, VPtr<> buf_ptr, int name_len)
Target gethostname() handler.
SyscallReturn ignoreFunc(SyscallDesc *desc, ThreadContext *tc)
Handler for unimplemented syscalls that we never intend to implement (signal handling,...
Definition: syscall_emul.cc:72
SyscallReturn exitFunc(SyscallDesc *desc, ThreadContext *tc, int status)
Target exit() handler: terminate current context.
SyscallReturn getgidFunc(SyscallDesc *desc, ThreadContext *tc)
Target getgid() handler.
SyscallReturn closeFunc(SyscallDesc *desc, ThreadContext *tc, int tgt_fd)
Target close() handler.
SyscallReturn umaskFunc(SyscallDesc *desc, ThreadContext *tc)
Target umask() handler.
This file defines objects used to emulate syscalls from the target application on the host machine.
const std::string & name()
Definition: trace.cc:49

Generated on Wed Dec 21 2022 10:22:25 for gem5 by doxygen 1.9.1