2 * Copyright (c) 2010 ARM Limited
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder. You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
14 * Copyright (c) 2003-2005 The Regents of The University of Michigan
15 * Copyright (c) 2007-2008 The Florida State University
16 * All rights reserved.
18 * Redistribution and use in source and binary forms, with or without
19 * modification, are permitted provided that the following conditions are
20 * met: redistributions of source code must retain the above copyright
21 * notice, this list of conditions and the following disclaimer;
22 * redistributions in binary form must reproduce the above copyright
23 * notice, this list of conditions and the following disclaimer in the
24 * documentation and/or other materials provided with the distribution;
25 * neither the name of the copyright holders nor the names of its
26 * contributors may be used to endorse or promote products derived from
27 * this software without specific prior written permission.
29 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
30 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
31 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
32 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
33 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
34 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
35 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
36 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
37 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
38 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
39 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
41 * Authors: Korey Sewell
45 #include "arch/arm/linux/linux.hh"
46 #include "arch/arm/linux/process.hh"
47 #include "arch/arm/isa_traits.hh"
49 #include "base/trace.hh"
50 #include "cpu/thread_context.hh"
51 #include "kern/linux/linux.hh"
53 #include "sim/process.hh"
54 #include "sim/syscall_emul.hh"
55 #include "sim/system.hh"
58 using namespace ArmISA
;
60 /// Target uname() handler.
62 unameFunc(SyscallDesc
*desc
, int callnum
, LiveProcess
*process
,
66 TypedBufferArg
<Linux::utsname
> name(process
->getSyscallArg(tc
, index
));
68 strcpy(name
->sysname
, "Linux");
69 strcpy(name
->nodename
, "m5.eecs.umich.edu");
70 strcpy(name
->release
, "2.6.29");
71 strcpy(name
->version
, "#1 Mon Aug 18 11:32:15 EDT 2003");
72 strcpy(name
->machine
, "armv7l");
74 name
.copyOut(tc
->getMemPort());
78 SyscallDesc
ArmLinuxProcess::syscallDescs
[] = {
79 /* 0 */ SyscallDesc("syscall", unimplementedFunc
),
80 /* 1 */ SyscallDesc("exit", exitFunc
),
81 /* 2 */ SyscallDesc("fork", unimplementedFunc
),
82 /* 3 */ SyscallDesc("read", readFunc
),
83 /* 4 */ SyscallDesc("write", writeFunc
),
84 /* 5 */ SyscallDesc("open", openFunc
<ArmLinux
>),
85 /* 6 */ SyscallDesc("close", closeFunc
),
86 /* 7 */ SyscallDesc("waitpid", unimplementedFunc
), //???
87 /* 8 */ SyscallDesc("creat", unimplementedFunc
),
88 /* 9 */ SyscallDesc("link", unimplementedFunc
),
89 /* 10 */ SyscallDesc("unlink", unlinkFunc
),
90 /* 11 */ SyscallDesc("execve", unimplementedFunc
),
91 /* 12 */ SyscallDesc("chdir", unimplementedFunc
),
92 /* 13 */ SyscallDesc("time", unimplementedFunc
),
93 /* 14 */ SyscallDesc("mknod", unimplementedFunc
),
94 /* 15 */ SyscallDesc("chmod", chmodFunc
<ArmLinux
>),
95 /* 16 */ SyscallDesc("lchown", chownFunc
),
96 /* 17 */ SyscallDesc("break", brkFunc
), //???
97 /* 18 */ SyscallDesc("unused#18", unimplementedFunc
), //???
98 /* 19 */ SyscallDesc("lseek", lseekFunc
),
99 /* 20 */ SyscallDesc("getpid", getpidFunc
),
100 /* 21 */ SyscallDesc("mount", unimplementedFunc
),
101 /* 22 */ SyscallDesc("umount", unimplementedFunc
),
102 /* 23 */ SyscallDesc("setuid", setuidFunc
),
103 /* 24 */ SyscallDesc("getuid", getuidFunc
),
104 /* 25 */ SyscallDesc("stime", unimplementedFunc
),
105 /* 26 */ SyscallDesc("ptrace", unimplementedFunc
),
106 /* 27 */ SyscallDesc("alarm", unimplementedFunc
),
107 /* 28 */ SyscallDesc("unused#28", unimplementedFunc
),
108 /* 29 */ SyscallDesc("pause", unimplementedFunc
),
109 /* 30 */ SyscallDesc("utime", unimplementedFunc
),
110 /* 31 */ SyscallDesc("stty", unimplementedFunc
),
111 /* 32 */ SyscallDesc("gtty", unimplementedFunc
),
112 /* 33 */ SyscallDesc("access", unimplementedFunc
),
113 /* 34 */ SyscallDesc("nice", unimplementedFunc
),
114 /* 35 */ SyscallDesc("ftime", unimplementedFunc
),
115 /* 36 */ SyscallDesc("sync", unimplementedFunc
),
116 /* 37 */ SyscallDesc("kill", ignoreFunc
),
117 /* 38 */ SyscallDesc("rename", unimplementedFunc
),
118 /* 39 */ SyscallDesc("mkdir", unimplementedFunc
),
119 /* 40 */ SyscallDesc("rmdir", unimplementedFunc
),
120 /* 41 */ SyscallDesc("dup", unimplementedFunc
),
121 /* 42 */ SyscallDesc("pipe", unimplementedFunc
),
122 /* 43 */ SyscallDesc("times", ignoreFunc
),
123 /* 44 */ SyscallDesc("prof", unimplementedFunc
),
124 /* 45 */ SyscallDesc("brk", brkFunc
),
125 /* 46 */ SyscallDesc("setgid", unimplementedFunc
),
126 /* 47 */ SyscallDesc("getgid", getgidFunc
),
127 /* 48 */ SyscallDesc("signal", ignoreFunc
),
128 /* 49 */ SyscallDesc("geteuid", geteuidFunc
),
129 /* 50 */ SyscallDesc("getegid", getegidFunc
),
130 /* 51 */ SyscallDesc("acct", unimplementedFunc
),
131 /* 52 */ SyscallDesc("umount2", unimplementedFunc
),
132 /* 53 */ SyscallDesc("lock", unimplementedFunc
),
133 /* 54 */ SyscallDesc("ioctl", ioctlFunc
<ArmLinux
>),
134 /* 55 */ SyscallDesc("fcntl", fcntlFunc
),
135 /* 56 */ SyscallDesc("mpx", unimplementedFunc
),
136 /* 57 */ SyscallDesc("setpgid", unimplementedFunc
),
137 /* 58 */ SyscallDesc("ulimit", unimplementedFunc
),
138 /* 59 */ SyscallDesc("unused#59", unimplementedFunc
),
139 /* 60 */ SyscallDesc("umask", unimplementedFunc
),
140 /* 61 */ SyscallDesc("chroot", unimplementedFunc
),
141 /* 62 */ SyscallDesc("ustat", unimplementedFunc
),
142 /* 63 */ SyscallDesc("dup2", unimplementedFunc
),
143 /* 64 */ SyscallDesc("getppid", getpagesizeFunc
),
144 /* 65 */ SyscallDesc("getpgrp", unimplementedFunc
),
145 /* 66 */ SyscallDesc("setsid", unimplementedFunc
),
146 /* 67 */ SyscallDesc("sigaction",unimplementedFunc
),
147 /* 68 */ SyscallDesc("sgetmask", unimplementedFunc
),
148 /* 69 */ SyscallDesc("ssetmask", unimplementedFunc
),
149 /* 70 */ SyscallDesc("setreuid", unimplementedFunc
),
150 /* 71 */ SyscallDesc("setregid", unimplementedFunc
),
151 /* 72 */ SyscallDesc("sigsuspend", unimplementedFunc
),
152 /* 73 */ SyscallDesc("sigpending", unimplementedFunc
),
153 /* 74 */ SyscallDesc("sethostname", ignoreFunc
),
154 /* 75 */ SyscallDesc("setrlimit", unimplementedFunc
),
155 /* 76 */ SyscallDesc("getrlimit", unimplementedFunc
),
156 /* 77 */ SyscallDesc("getrusage", getrusageFunc
<ArmLinux
>),
157 /* 78 */ SyscallDesc("gettimeofday", unimplementedFunc
),
158 /* 79 */ SyscallDesc("settimeofday", unimplementedFunc
),
159 /* 80 */ SyscallDesc("getgroups", unimplementedFunc
),
160 /* 81 */ SyscallDesc("setgroups", unimplementedFunc
),
161 /* 82 */ SyscallDesc("reserved#82", unimplementedFunc
),
162 /* 83 */ SyscallDesc("symlink", unimplementedFunc
),
163 /* 84 */ SyscallDesc("unused#84", unimplementedFunc
),
164 /* 85 */ SyscallDesc("readlink", unimplementedFunc
),
165 /* 86 */ SyscallDesc("uselib", unimplementedFunc
),
166 /* 87 */ SyscallDesc("swapon", gethostnameFunc
),
167 /* 88 */ SyscallDesc("reboot", unimplementedFunc
),
168 /* 89 */ SyscallDesc("readdir", unimplementedFunc
),
169 /* 90 */ SyscallDesc("mmap", mmapFunc
<ArmLinux
>),
170 /* 91 */ SyscallDesc("munmap",munmapFunc
),
171 /* 92 */ SyscallDesc("truncate", truncateFunc
),
172 /* 93 */ SyscallDesc("ftruncate", ftruncateFunc
),
173 /* 94 */ SyscallDesc("fchmod", unimplementedFunc
),
174 /* 95 */ SyscallDesc("fchown", unimplementedFunc
),
175 /* 96 */ SyscallDesc("getpriority", unimplementedFunc
),
176 /* 97 */ SyscallDesc("setpriority", unimplementedFunc
),
177 /* 98 */ SyscallDesc("profil", unimplementedFunc
),
178 /* 99 */ SyscallDesc("statfs", unimplementedFunc
),
179 /* 100 */ SyscallDesc("fstatfs", unimplementedFunc
),
180 /* 101 */ SyscallDesc("ioperm", unimplementedFunc
),
181 /* 102 */ SyscallDesc("socketcall", unimplementedFunc
),
182 /* 103 */ SyscallDesc("syslog", unimplementedFunc
),
183 /* 104 */ SyscallDesc("setitimer", unimplementedFunc
),
184 /* 105 */ SyscallDesc("getitimer", unimplementedFunc
),
185 /* 106 */ SyscallDesc("stat", statFunc
<ArmLinux
>),
186 /* 107 */ SyscallDesc("lstat", unimplementedFunc
),
187 /* 108 */ SyscallDesc("fstat", fstatFunc
<ArmLinux
>),
188 /* 109 */ SyscallDesc("unused#109", unimplementedFunc
),
189 /* 110 */ SyscallDesc("iopl", unimplementedFunc
),
190 /* 111 */ SyscallDesc("vhangup", unimplementedFunc
),
191 /* 112 */ SyscallDesc("idle", ignoreFunc
),
192 /* 113 */ SyscallDesc("vm86", unimplementedFunc
),
193 /* 114 */ SyscallDesc("wait4", unimplementedFunc
),
194 /* 115 */ SyscallDesc("swapoff", unimplementedFunc
),
195 /* 116 */ SyscallDesc("sysinfo", sysinfoFunc
<ArmLinux
>),
196 /* 117 */ SyscallDesc("ipc", unimplementedFunc
),
197 /* 118 */ SyscallDesc("fsync", unimplementedFunc
),
198 /* 119 */ SyscallDesc("sigreturn", unimplementedFunc
),
199 /* 120 */ SyscallDesc("clone", unimplementedFunc
),
200 /* 121 */ SyscallDesc("setdomainname", unimplementedFunc
),
201 /* 122 */ SyscallDesc("uname", unameFunc
),
202 /* 123 */ SyscallDesc("modify_ldt", unimplementedFunc
),
203 /* 124 */ SyscallDesc("adjtimex", unimplementedFunc
),
204 /* 125 */ SyscallDesc("mprotect", ignoreFunc
),
205 /* 126 */ SyscallDesc("sigprocmask", unimplementedFunc
),
206 /* 127 */ SyscallDesc("create_module", unimplementedFunc
),
207 /* 128 */ SyscallDesc("init_module", unimplementedFunc
),
208 /* 129 */ SyscallDesc("delete_module", unimplementedFunc
),
209 /* 130 */ SyscallDesc("get_kernel_syms", unimplementedFunc
),
210 /* 131 */ SyscallDesc("quotactl", unimplementedFunc
),
211 /* 132 */ SyscallDesc("getpgid", unimplementedFunc
),
212 /* 133 */ SyscallDesc("fchdir", unimplementedFunc
),
213 /* 134 */ SyscallDesc("bdflush", unimplementedFunc
),
214 /* 135 */ SyscallDesc("sysfs", unimplementedFunc
),
215 /* 136 */ SyscallDesc("personality", unimplementedFunc
),
216 /* 137 */ SyscallDesc("afs_syscall", unimplementedFunc
),
217 /* 138 */ SyscallDesc("setfsuid", unimplementedFunc
),
218 /* 139 */ SyscallDesc("setfsgid", unimplementedFunc
),
219 /* 140 */ SyscallDesc("llseek", unimplementedFunc
),
220 /* 141 */ SyscallDesc("getdents", unimplementedFunc
),
221 /* 142 */ SyscallDesc("newselect", unimplementedFunc
),
222 /* 143 */ SyscallDesc("flock", unimplementedFunc
),
223 /* 144 */ SyscallDesc("msync", unimplementedFunc
),
224 /* 145 */ SyscallDesc("readv", unimplementedFunc
),
225 /* 146 */ SyscallDesc("writev", writevFunc
<ArmLinux
>),
226 /* 147 */ SyscallDesc("getsid", unimplementedFunc
),
227 /* 148 */ SyscallDesc("fdatasync", unimplementedFunc
),
228 /* 149 */ SyscallDesc("sysctl", unimplementedFunc
),
229 /* 150 */ SyscallDesc("mlock", unimplementedFunc
),
230 /* 151 */ SyscallDesc("munlock", unimplementedFunc
),
231 /* 152 */ SyscallDesc("mlockall", unimplementedFunc
),
232 /* 153 */ SyscallDesc("munlockall", unimplementedFunc
),
233 /* 154 */ SyscallDesc("sched_setparam", unimplementedFunc
),
234 /* 155 */ SyscallDesc("sched_getparam", unimplementedFunc
),
235 /* 156 */ SyscallDesc("sched_setscheduler", unimplementedFunc
),
236 /* 157 */ SyscallDesc("sched_getscheduler", unimplementedFunc
),
237 /* 158 */ SyscallDesc("sched_yield", unimplementedFunc
),
238 /* 159 */ SyscallDesc("sched_get_priority_max", unimplementedFunc
),
239 /* 160 */ SyscallDesc("sched_get_priority_min", unimplementedFunc
),
240 /* 161 */ SyscallDesc("sched_rr_get_interval", unimplementedFunc
),
241 /* 162 */ SyscallDesc("nanosleep", unimplementedFunc
),
242 /* 163 */ SyscallDesc("mremap", unimplementedFunc
), // ARM-specific
243 /* 164 */ SyscallDesc("setresuid", unimplementedFunc
),
244 /* 165 */ SyscallDesc("getresuid", unimplementedFunc
),
245 /* 166 */ SyscallDesc("vm862", unimplementedFunc
),
246 /* 167 */ SyscallDesc("query_module", unimplementedFunc
),
247 /* 168 */ SyscallDesc("poll", unimplementedFunc
),
248 /* 169 */ SyscallDesc("nfsservctl", unimplementedFunc
),
249 /* 170 */ SyscallDesc("setresgid", unimplementedFunc
),
250 /* 171 */ SyscallDesc("getresgid", unimplementedFunc
),
251 /* 172 */ SyscallDesc("prctl", unimplementedFunc
),
252 /* 173 */ SyscallDesc("rt_sigreturn", unimplementedFunc
),
253 /* 174 */ SyscallDesc("rt_sigaction", unimplementedFunc
),
254 /* 175 */ SyscallDesc("rt_sigprocmask", unimplementedFunc
),
255 /* 176 */ SyscallDesc("rt_sigpending", unimplementedFunc
),
256 /* 177 */ SyscallDesc("rt_sigtimedwait", unimplementedFunc
),
257 /* 178 */ SyscallDesc("rt_sigqueueinfo", ignoreFunc
),
258 /* 179 */ SyscallDesc("rt_sigsuspend", unimplementedFunc
),
259 /* 180 */ SyscallDesc("pread64", unimplementedFunc
),
260 /* 181 */ SyscallDesc("pwrite64", unimplementedFunc
),
261 /* 182 */ SyscallDesc("chown", unimplementedFunc
),
262 /* 183 */ SyscallDesc("getcwd", unimplementedFunc
),
263 /* 184 */ SyscallDesc("capget", unimplementedFunc
),
264 /* 185 */ SyscallDesc("capset", unimplementedFunc
),
265 /* 186 */ SyscallDesc("sigaltstack", unimplementedFunc
),
266 /* 187 */ SyscallDesc("sendfile", unimplementedFunc
),
267 /* 188 */ SyscallDesc("getpmsg", unimplementedFunc
),
268 /* 189 */ SyscallDesc("putpmsg", unimplementedFunc
),
269 /* 190 */ SyscallDesc("vfork", unimplementedFunc
),
270 /* 191 */ SyscallDesc("getrlimit", unimplementedFunc
),
271 /* 192 */ SyscallDesc("mmap2", mmapFunc
<ArmLinux
>),
272 /* 193 */ SyscallDesc("truncate64", unimplementedFunc
),
273 /* 194 */ SyscallDesc("ftruncate64", unimplementedFunc
),
274 /* 195 */ SyscallDesc("stat64", unimplementedFunc
),
275 /* 196 */ SyscallDesc("lstat64", lstat64Func
<ArmLinux
>),
276 /* 197 */ SyscallDesc("fstat64", fstat64Func
<ArmLinux
>),
277 /* 198 */ SyscallDesc("lchown", unimplementedFunc
),
278 /* 199 */ SyscallDesc("getuid", getuidFunc
),
279 /* 200 */ SyscallDesc("getgid", getgidFunc
),
280 /* 201 */ SyscallDesc("geteuid", geteuidFunc
),
281 /* 202 */ SyscallDesc("getegid", getegidFunc
),
282 /* 203 */ SyscallDesc("setreuid", unimplementedFunc
),
283 /* 204 */ SyscallDesc("setregid", unimplementedFunc
),
284 /* 205 */ SyscallDesc("getgroups", unimplementedFunc
),
285 /* 206 */ SyscallDesc("setgroups", unimplementedFunc
),
286 /* 207 */ SyscallDesc("fchown", unimplementedFunc
),
287 /* 208 */ SyscallDesc("setresuid", unimplementedFunc
),
288 /* 209 */ SyscallDesc("getresuid", unimplementedFunc
),
289 /* 210 */ SyscallDesc("setresgid", unimplementedFunc
),
290 /* 211 */ SyscallDesc("getresgid", unimplementedFunc
),
291 /* 212 */ SyscallDesc("chown", unimplementedFunc
),
292 /* 213 */ SyscallDesc("setuid", unimplementedFunc
),
293 /* 214 */ SyscallDesc("setgid", unimplementedFunc
),
294 /* 215 */ SyscallDesc("setfsuid", unimplementedFunc
),
295 /* 216 */ SyscallDesc("setfsgid", unimplementedFunc
),
296 /* 217 */ SyscallDesc("getdents64", unimplementedFunc
),
297 /* 218 */ SyscallDesc("pivot_root", unimplementedFunc
),
298 /* 219 */ SyscallDesc("mincore", unimplementedFunc
),
299 /* 220 */ SyscallDesc("madvise", unimplementedFunc
),
300 /* 221 */ SyscallDesc("fcntl64", fcntl64Func
),
301 /* 222 */ SyscallDesc("tux", unimplementedFunc
),
302 /* 223 */ SyscallDesc("unknown#223", unimplementedFunc
),
303 /* 224 */ SyscallDesc("gettid", unimplementedFunc
),
304 /* 225 */ SyscallDesc("readahead", unimplementedFunc
),
305 /* 226 */ SyscallDesc("setxattr", unimplementedFunc
),
306 /* 227 */ SyscallDesc("lsetxattr", unimplementedFunc
),
307 /* 228 */ SyscallDesc("fsetxattr", unimplementedFunc
),
308 /* 229 */ SyscallDesc("getxattr", unimplementedFunc
),
309 /* 230 */ SyscallDesc("lgetxattr", unimplementedFunc
),
310 /* 231 */ SyscallDesc("fgetxattr", unimplementedFunc
),
311 /* 232 */ SyscallDesc("listxattr", unimplementedFunc
),
312 /* 233 */ SyscallDesc("llistxattr", unimplementedFunc
),
313 /* 234 */ SyscallDesc("flistxattr", unimplementedFunc
),
314 /* 235 */ SyscallDesc("removexattr", unimplementedFunc
),
315 /* 236 */ SyscallDesc("lremovexattr", unimplementedFunc
),
316 /* 237 */ SyscallDesc("fremovexattr", unimplementedFunc
),
317 /* 238 */ SyscallDesc("tkill", unimplementedFunc
),
318 /* 239 */ SyscallDesc("sendfile64", unimplementedFunc
),
319 /* 240 */ SyscallDesc("futex", unimplementedFunc
),
320 /* 241 */ SyscallDesc("sched_setaffinity", unimplementedFunc
),
321 /* 242 */ SyscallDesc("sched_getaffinity", unimplementedFunc
),
322 /* 243 */ SyscallDesc("io_setup", unimplementedFunc
),
323 /* 244 */ SyscallDesc("io_destory", unimplementedFunc
),
324 /* 245 */ SyscallDesc("io_getevents", unimplementedFunc
),
325 /* 246 */ SyscallDesc("io_submit", unimplementedFunc
),
326 /* 247 */ SyscallDesc("io_cancel", unimplementedFunc
),
327 /* 248 */ SyscallDesc("exit_group", exitFunc
),
328 /* 249 */ SyscallDesc("lookup_dcookie", unimplementedFunc
),
329 /* 250 */ SyscallDesc("epoll_create", unimplementedFunc
),
330 /* 251 */ SyscallDesc("epoll_ctl", unimplementedFunc
),
331 /* 252 */ SyscallDesc("epoll_wait", unimplementedFunc
),
332 /* 253 */ SyscallDesc("remap_file_pages", unimplementedFunc
),
333 /* 254 */ SyscallDesc("set_thread_area", unimplementedFunc
),
334 /* 255 */ SyscallDesc("get_thread_area", unimplementedFunc
),
335 /* 256 */ SyscallDesc("set_tid_address", unimplementedFunc
),
336 /* 257 */ SyscallDesc("timer_create", unimplementedFunc
),
337 /* 258 */ SyscallDesc("timer_settime", unimplementedFunc
),
338 /* 259 */ SyscallDesc("timer_gettime", unimplementedFunc
),
339 /* 260 */ SyscallDesc("timer_getoverrun", unimplementedFunc
),
340 /* 261 */ SyscallDesc("timer_delete", unimplementedFunc
),
341 /* 262 */ SyscallDesc("clock_settime", unimplementedFunc
),
342 /* 263 */ SyscallDesc("clock_gettime", unimplementedFunc
),
343 /* 264 */ SyscallDesc("clock_getres", unimplementedFunc
),
344 /* 265 */ SyscallDesc("clock_nanosleep", unimplementedFunc
),
345 /* 266 */ SyscallDesc("statfs64", unimplementedFunc
),
346 /* 267 */ SyscallDesc("fstatfs64", unimplementedFunc
),
347 /* 268 */ SyscallDesc("tgkill", unimplementedFunc
),
348 /* 269 */ SyscallDesc("utimes", unimplementedFunc
),
349 /* 270 */ SyscallDesc("arm_fadvise64_64", unimplementedFunc
),
350 /* 271 */ SyscallDesc("pciconfig_iobase", unimplementedFunc
),
351 /* 272 */ SyscallDesc("pciconfig_read", unimplementedFunc
),
352 /* 273 */ SyscallDesc("pciconfig_write", unimplementedFunc
),
353 /* 274 */ SyscallDesc("mq_open", unimplementedFunc
),
354 /* 275 */ SyscallDesc("mq_unlink", unimplementedFunc
),
355 /* 276 */ SyscallDesc("mq_timedsend", unimplementedFunc
),
356 /* 277 */ SyscallDesc("mq_timedreceive", unimplementedFunc
),
357 /* 278 */ SyscallDesc("mq_notify", unimplementedFunc
),
358 /* 279 */ SyscallDesc("mq_getsetattr", unimplementedFunc
),
359 /* 280 */ SyscallDesc("waitid", unimplementedFunc
),
360 /* 281 */ SyscallDesc("socket", unimplementedFunc
),
361 /* 282 */ SyscallDesc("bind", unimplementedFunc
),
362 /* 283 */ SyscallDesc("connect", unimplementedFunc
),
363 /* 284 */ SyscallDesc("listen", unimplementedFunc
),
364 /* 285 */ SyscallDesc("accept", unimplementedFunc
),
365 /* 286 */ SyscallDesc("getsockname", unimplementedFunc
),
366 /* 287 */ SyscallDesc("getpeername", unimplementedFunc
),
367 /* 288 */ SyscallDesc("socketpair", unimplementedFunc
),
368 /* 289 */ SyscallDesc("send", unimplementedFunc
),
369 /* 290 */ SyscallDesc("sendto", unimplementedFunc
),
370 /* 291 */ SyscallDesc("recv", unimplementedFunc
),
371 /* 292 */ SyscallDesc("recvfrom", unimplementedFunc
),
372 /* 293 */ SyscallDesc("shutdown", unimplementedFunc
),
373 /* 294 */ SyscallDesc("setsockopt", unimplementedFunc
),
374 /* 295 */ SyscallDesc("getsockopt", unimplementedFunc
),
375 /* 296 */ SyscallDesc("sendmsg", unimplementedFunc
),
376 /* 297 */ SyscallDesc("rcvmsg", unimplementedFunc
),
377 /* 298 */ SyscallDesc("semop", unimplementedFunc
),
378 /* 299 */ SyscallDesc("semget", unimplementedFunc
),
379 /* 300 */ SyscallDesc("semctl", unimplementedFunc
),
380 /* 301 */ SyscallDesc("msgsend", unimplementedFunc
),
381 /* 302 */ SyscallDesc("msgrcv", unimplementedFunc
),
382 /* 303 */ SyscallDesc("msgget", unimplementedFunc
),
383 /* 304 */ SyscallDesc("msgctl", unimplementedFunc
),
384 /* 305 */ SyscallDesc("shmat", unimplementedFunc
),
385 /* 306 */ SyscallDesc("shmdt", unimplementedFunc
),
386 /* 307 */ SyscallDesc("shmget", unimplementedFunc
),
387 /* 308 */ SyscallDesc("shmctl", unimplementedFunc
),
388 /* 309 */ SyscallDesc("add_key", unimplementedFunc
),
389 /* 310 */ SyscallDesc("request_key", unimplementedFunc
),
390 /* 311 */ SyscallDesc("keyctl", unimplementedFunc
),
391 /* 312 */ SyscallDesc("semtimedop", unimplementedFunc
),
392 /* 313 */ SyscallDesc("vserver", unimplementedFunc
),
393 /* 314 */ SyscallDesc("ioprio_set", unimplementedFunc
),
394 /* 315 */ SyscallDesc("ioprio_get", unimplementedFunc
),
395 /* 316 */ SyscallDesc("inotify_init", unimplementedFunc
),
396 /* 317 */ SyscallDesc("inotify_add_watch", unimplementedFunc
),
397 /* 318 */ SyscallDesc("inotify_rm_watch", unimplementedFunc
),
398 /* 319 */ SyscallDesc("mbind", unimplementedFunc
),
399 /* 320 */ SyscallDesc("get_mempolicy", unimplementedFunc
),
400 /* 321 */ SyscallDesc("set_mempolicy", unimplementedFunc
),
401 /* 322 */ SyscallDesc("openat", unimplementedFunc
),
402 /* 323 */ SyscallDesc("mkdirat", unimplementedFunc
),
403 /* 324 */ SyscallDesc("mknodat", unimplementedFunc
),
404 /* 325 */ SyscallDesc("fchownat", unimplementedFunc
),
405 /* 326 */ SyscallDesc("futimesat", unimplementedFunc
),
406 /* 327 */ SyscallDesc("fstatat64", unimplementedFunc
),
407 /* 328 */ SyscallDesc("unlinkat", unimplementedFunc
),
408 /* 329 */ SyscallDesc("renameat", unimplementedFunc
),
409 /* 330 */ SyscallDesc("linkat", unimplementedFunc
),
410 /* 331 */ SyscallDesc("symlinkat", unimplementedFunc
),
411 /* 332 */ SyscallDesc("readlinkat", unimplementedFunc
),
412 /* 333 */ SyscallDesc("fchmodat", unimplementedFunc
),
413 /* 334 */ SyscallDesc("faccessat", unimplementedFunc
),
414 /* 335 */ SyscallDesc("pselect6", unimplementedFunc
),
415 /* 336 */ SyscallDesc("ppoll", unimplementedFunc
),
416 /* 337 */ SyscallDesc("unshare", unimplementedFunc
),
417 /* 338 */ SyscallDesc("set_robust_list", unimplementedFunc
),
418 /* 339 */ SyscallDesc("get_robust_list", unimplementedFunc
),
419 /* 340 */ SyscallDesc("splice", unimplementedFunc
),
420 /* 341 */ SyscallDesc("arm_sync_file_range", unimplementedFunc
),
421 /* 342 */ SyscallDesc("tee", unimplementedFunc
),
422 /* 343 */ SyscallDesc("vmsplice", unimplementedFunc
),
423 /* 344 */ SyscallDesc("move_pages", unimplementedFunc
),
424 /* 345 */ SyscallDesc("getcpu", unimplementedFunc
),
425 /* 346 */ SyscallDesc("epoll_pwait", unimplementedFunc
),
428 /// Target set_tls() handler.
430 setTLSFunc(SyscallDesc
*desc
, int callnum
, LiveProcess
*process
,
434 uint32_t tlsPtr
= process
->getSyscallArg(tc
, index
);
436 tc
->getMemPort()->writeBlob(ArmLinuxProcess::commPage
+ 0x0ff0,
437 (uint8_t *)&tlsPtr
, sizeof(tlsPtr
));
441 SyscallDesc
ArmLinuxProcess::privSyscallDescs
[] = {
442 /* 1 */ SyscallDesc("breakpoint", unimplementedFunc
),
443 /* 2 */ SyscallDesc("cacheflush", unimplementedFunc
),
444 /* 3 */ SyscallDesc("usr26", unimplementedFunc
),
445 /* 4 */ SyscallDesc("usr32", unimplementedFunc
),
446 /* 5 */ SyscallDesc("set_tls", setTLSFunc
)
449 ArmLinuxProcess::ArmLinuxProcess(LiveProcessParams
* params
,
450 ObjectFile
*objFile
, ObjectFile::Arch _arch
)
451 : ArmLiveProcess(params
, objFile
, _arch
),
452 Num_Syscall_Descs(sizeof(syscallDescs
) / sizeof(SyscallDesc
)),
453 Num_Priv_Syscall_Descs(sizeof(privSyscallDescs
) / sizeof(SyscallDesc
))
456 const Addr
ArmLinuxProcess::commPage
= 0xffff0000;
459 ArmLinuxProcess::getDesc(int callnum
)
461 // Angel SWI syscalls are unsupported in this release
462 if (callnum
== 0x123456) {
463 panic("Attempt to execute an ANGEL_SWI system call (newlib-related)");
464 } else if ((callnum
& 0x00f00000) == 0x00900000 ||
465 (callnum
& 0xf0000) == 0xf0000) {
466 callnum
&= 0x000fffff;
467 if ((callnum
& 0x0f0000) == 0xf0000) {
469 if (callnum
< 0 || callnum
> Num_Priv_Syscall_Descs
)
471 return &privSyscallDescs
[callnum
];
474 // Linux syscalls have to strip off the 0x00900000
476 if (callnum
< 0 || callnum
> Num_Syscall_Descs
)
479 return &syscallDescs
[callnum
];
483 ArmLinuxProcess::startup()
485 ArmLiveProcess::startup();
486 pTable
->allocate(commPage
, PageBytes
);
487 ThreadContext
*tc
= system
->getThreadContext(contextIds
[0]);
489 uint8_t swiNeg1
[] = {
490 0xff, 0xff, 0xff, 0xef //swi -1
493 // Fill this page with swi -1 so we'll no if we land in it somewhere.
494 for (Addr addr
= 0; addr
< PageBytes
; addr
+= sizeof(swiNeg1
)) {
495 tc
->getMemPort()->writeBlob(commPage
+ addr
,
496 swiNeg1
, sizeof(swiNeg1
));
499 // We don't have barriers, so just return.
500 uint8_t memory_barrier
[] =
502 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
504 tc
->getMemPort()->writeBlob(commPage
+ 0x0fa0, memory_barrier
,
505 sizeof(memory_barrier
));
507 // This -should- be atomic, but I don't think all the support that we'd
508 // need is implemented. There should also be memory barriers around it.
511 0x00, 0x30, 0x92, 0xe5, //ldr r3, [r2]
512 0x00, 0x30, 0x53, 0xe0, //subs r3, r3, r0
513 0x00, 0x10, 0x82, 0x05, //streq r1, [r2]
514 0x03, 0x00, 0xa0, 0xe1, //mov r0, r3
515 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
517 tc
->getMemPort()->writeBlob(commPage
+ 0x0fc0, cmpxchg
, sizeof(cmpxchg
));
521 0x08, 0x00, 0x9f, 0xe5, //ldr r0, [pc, #(16 - 8)]
522 0x0e, 0xf0, 0xa0, 0xe1 //usr_ret lr
524 tc
->getMemPort()->writeBlob(commPage
+ 0x0fe0, get_tls
, sizeof(get_tls
));
528 ArmLinuxProcess::getSyscallArg(ThreadContext
*tc
, int &i
)
530 // Linux apparently allows more parameter than the ABI says it should.
531 // This limit may need to be increased even further.
533 return tc
->readIntReg(ArgumentReg0
+ i
++);
537 ArmLinuxProcess::setSyscallArg(ThreadContext
*tc
, int i
, ArmISA::IntReg val
)
539 // Linux apparently allows more parameter than the ABI says it should.
540 // This limit may need to be increased even further.
542 tc
->setIntReg(ArgumentReg0
+ i
, val
);
projects / gem5.git / blob