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cd71c089 LV |
1 | /* |
2 | * qemu user cpu loop | |
3 | * | |
4 | * Copyright (c) 2003-2008 Fabrice Bellard | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include "qemu/osdep.h" | |
a8d25326 | 21 | #include "qemu-common.h" |
cd71c089 LV |
22 | #include "qemu.h" |
23 | #include "cpu_loop-common.h" | |
58908ef6 LV |
24 | #include "elf.h" |
25 | ||
26 | # ifdef TARGET_ABI_MIPSO32 | |
27 | # define MIPS_SYS(name, args) args, | |
28 | static const uint8_t mips_syscall_args[] = { | |
29 | MIPS_SYS(sys_syscall , 8) /* 4000 */ | |
30 | MIPS_SYS(sys_exit , 1) | |
31 | MIPS_SYS(sys_fork , 0) | |
32 | MIPS_SYS(sys_read , 3) | |
33 | MIPS_SYS(sys_write , 3) | |
34 | MIPS_SYS(sys_open , 3) /* 4005 */ | |
35 | MIPS_SYS(sys_close , 1) | |
36 | MIPS_SYS(sys_waitpid , 3) | |
37 | MIPS_SYS(sys_creat , 2) | |
38 | MIPS_SYS(sys_link , 2) | |
39 | MIPS_SYS(sys_unlink , 1) /* 4010 */ | |
40 | MIPS_SYS(sys_execve , 0) | |
41 | MIPS_SYS(sys_chdir , 1) | |
42 | MIPS_SYS(sys_time , 1) | |
43 | MIPS_SYS(sys_mknod , 3) | |
44 | MIPS_SYS(sys_chmod , 2) /* 4015 */ | |
45 | MIPS_SYS(sys_lchown , 3) | |
46 | MIPS_SYS(sys_ni_syscall , 0) | |
47 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_stat */ | |
48 | MIPS_SYS(sys_lseek , 3) | |
49 | MIPS_SYS(sys_getpid , 0) /* 4020 */ | |
50 | MIPS_SYS(sys_mount , 5) | |
51 | MIPS_SYS(sys_umount , 1) | |
52 | MIPS_SYS(sys_setuid , 1) | |
53 | MIPS_SYS(sys_getuid , 0) | |
54 | MIPS_SYS(sys_stime , 1) /* 4025 */ | |
55 | MIPS_SYS(sys_ptrace , 4) | |
56 | MIPS_SYS(sys_alarm , 1) | |
57 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_fstat */ | |
58 | MIPS_SYS(sys_pause , 0) | |
59 | MIPS_SYS(sys_utime , 2) /* 4030 */ | |
60 | MIPS_SYS(sys_ni_syscall , 0) | |
61 | MIPS_SYS(sys_ni_syscall , 0) | |
62 | MIPS_SYS(sys_access , 2) | |
63 | MIPS_SYS(sys_nice , 1) | |
64 | MIPS_SYS(sys_ni_syscall , 0) /* 4035 */ | |
65 | MIPS_SYS(sys_sync , 0) | |
66 | MIPS_SYS(sys_kill , 2) | |
67 | MIPS_SYS(sys_rename , 2) | |
68 | MIPS_SYS(sys_mkdir , 2) | |
69 | MIPS_SYS(sys_rmdir , 1) /* 4040 */ | |
70 | MIPS_SYS(sys_dup , 1) | |
71 | MIPS_SYS(sys_pipe , 0) | |
72 | MIPS_SYS(sys_times , 1) | |
73 | MIPS_SYS(sys_ni_syscall , 0) | |
74 | MIPS_SYS(sys_brk , 1) /* 4045 */ | |
75 | MIPS_SYS(sys_setgid , 1) | |
76 | MIPS_SYS(sys_getgid , 0) | |
77 | MIPS_SYS(sys_ni_syscall , 0) /* was signal(2) */ | |
78 | MIPS_SYS(sys_geteuid , 0) | |
79 | MIPS_SYS(sys_getegid , 0) /* 4050 */ | |
80 | MIPS_SYS(sys_acct , 0) | |
81 | MIPS_SYS(sys_umount2 , 2) | |
82 | MIPS_SYS(sys_ni_syscall , 0) | |
83 | MIPS_SYS(sys_ioctl , 3) | |
84 | MIPS_SYS(sys_fcntl , 3) /* 4055 */ | |
85 | MIPS_SYS(sys_ni_syscall , 2) | |
86 | MIPS_SYS(sys_setpgid , 2) | |
87 | MIPS_SYS(sys_ni_syscall , 0) | |
88 | MIPS_SYS(sys_olduname , 1) | |
89 | MIPS_SYS(sys_umask , 1) /* 4060 */ | |
90 | MIPS_SYS(sys_chroot , 1) | |
91 | MIPS_SYS(sys_ustat , 2) | |
92 | MIPS_SYS(sys_dup2 , 2) | |
93 | MIPS_SYS(sys_getppid , 0) | |
94 | MIPS_SYS(sys_getpgrp , 0) /* 4065 */ | |
95 | MIPS_SYS(sys_setsid , 0) | |
96 | MIPS_SYS(sys_sigaction , 3) | |
97 | MIPS_SYS(sys_sgetmask , 0) | |
98 | MIPS_SYS(sys_ssetmask , 1) | |
99 | MIPS_SYS(sys_setreuid , 2) /* 4070 */ | |
100 | MIPS_SYS(sys_setregid , 2) | |
101 | MIPS_SYS(sys_sigsuspend , 0) | |
102 | MIPS_SYS(sys_sigpending , 1) | |
103 | MIPS_SYS(sys_sethostname , 2) | |
104 | MIPS_SYS(sys_setrlimit , 2) /* 4075 */ | |
105 | MIPS_SYS(sys_getrlimit , 2) | |
106 | MIPS_SYS(sys_getrusage , 2) | |
107 | MIPS_SYS(sys_gettimeofday, 2) | |
108 | MIPS_SYS(sys_settimeofday, 2) | |
109 | MIPS_SYS(sys_getgroups , 2) /* 4080 */ | |
110 | MIPS_SYS(sys_setgroups , 2) | |
111 | MIPS_SYS(sys_ni_syscall , 0) /* old_select */ | |
112 | MIPS_SYS(sys_symlink , 2) | |
113 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_lstat */ | |
114 | MIPS_SYS(sys_readlink , 3) /* 4085 */ | |
115 | MIPS_SYS(sys_uselib , 1) | |
116 | MIPS_SYS(sys_swapon , 2) | |
117 | MIPS_SYS(sys_reboot , 3) | |
118 | MIPS_SYS(old_readdir , 3) | |
119 | MIPS_SYS(old_mmap , 6) /* 4090 */ | |
120 | MIPS_SYS(sys_munmap , 2) | |
121 | MIPS_SYS(sys_truncate , 2) | |
122 | MIPS_SYS(sys_ftruncate , 2) | |
123 | MIPS_SYS(sys_fchmod , 2) | |
124 | MIPS_SYS(sys_fchown , 3) /* 4095 */ | |
125 | MIPS_SYS(sys_getpriority , 2) | |
126 | MIPS_SYS(sys_setpriority , 3) | |
127 | MIPS_SYS(sys_ni_syscall , 0) | |
128 | MIPS_SYS(sys_statfs , 2) | |
129 | MIPS_SYS(sys_fstatfs , 2) /* 4100 */ | |
130 | MIPS_SYS(sys_ni_syscall , 0) /* was ioperm(2) */ | |
131 | MIPS_SYS(sys_socketcall , 2) | |
132 | MIPS_SYS(sys_syslog , 3) | |
133 | MIPS_SYS(sys_setitimer , 3) | |
134 | MIPS_SYS(sys_getitimer , 2) /* 4105 */ | |
135 | MIPS_SYS(sys_newstat , 2) | |
136 | MIPS_SYS(sys_newlstat , 2) | |
137 | MIPS_SYS(sys_newfstat , 2) | |
138 | MIPS_SYS(sys_uname , 1) | |
139 | MIPS_SYS(sys_ni_syscall , 0) /* 4110 was iopl(2) */ | |
140 | MIPS_SYS(sys_vhangup , 0) | |
141 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_idle() */ | |
142 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_vm86 */ | |
143 | MIPS_SYS(sys_wait4 , 4) | |
144 | MIPS_SYS(sys_swapoff , 1) /* 4115 */ | |
145 | MIPS_SYS(sys_sysinfo , 1) | |
146 | MIPS_SYS(sys_ipc , 6) | |
147 | MIPS_SYS(sys_fsync , 1) | |
148 | MIPS_SYS(sys_sigreturn , 0) | |
149 | MIPS_SYS(sys_clone , 6) /* 4120 */ | |
150 | MIPS_SYS(sys_setdomainname, 2) | |
151 | MIPS_SYS(sys_newuname , 1) | |
152 | MIPS_SYS(sys_ni_syscall , 0) /* sys_modify_ldt */ | |
153 | MIPS_SYS(sys_adjtimex , 1) | |
154 | MIPS_SYS(sys_mprotect , 3) /* 4125 */ | |
155 | MIPS_SYS(sys_sigprocmask , 3) | |
156 | MIPS_SYS(sys_ni_syscall , 0) /* was create_module */ | |
157 | MIPS_SYS(sys_init_module , 5) | |
158 | MIPS_SYS(sys_delete_module, 1) | |
159 | MIPS_SYS(sys_ni_syscall , 0) /* 4130 was get_kernel_syms */ | |
160 | MIPS_SYS(sys_quotactl , 0) | |
161 | MIPS_SYS(sys_getpgid , 1) | |
162 | MIPS_SYS(sys_fchdir , 1) | |
163 | MIPS_SYS(sys_bdflush , 2) | |
164 | MIPS_SYS(sys_sysfs , 3) /* 4135 */ | |
165 | MIPS_SYS(sys_personality , 1) | |
166 | MIPS_SYS(sys_ni_syscall , 0) /* for afs_syscall */ | |
167 | MIPS_SYS(sys_setfsuid , 1) | |
168 | MIPS_SYS(sys_setfsgid , 1) | |
169 | MIPS_SYS(sys_llseek , 5) /* 4140 */ | |
170 | MIPS_SYS(sys_getdents , 3) | |
171 | MIPS_SYS(sys_select , 5) | |
172 | MIPS_SYS(sys_flock , 2) | |
173 | MIPS_SYS(sys_msync , 3) | |
174 | MIPS_SYS(sys_readv , 3) /* 4145 */ | |
175 | MIPS_SYS(sys_writev , 3) | |
176 | MIPS_SYS(sys_cacheflush , 3) | |
177 | MIPS_SYS(sys_cachectl , 3) | |
178 | MIPS_SYS(sys_sysmips , 4) | |
179 | MIPS_SYS(sys_ni_syscall , 0) /* 4150 */ | |
180 | MIPS_SYS(sys_getsid , 1) | |
181 | MIPS_SYS(sys_fdatasync , 0) | |
182 | MIPS_SYS(sys_sysctl , 1) | |
183 | MIPS_SYS(sys_mlock , 2) | |
184 | MIPS_SYS(sys_munlock , 2) /* 4155 */ | |
185 | MIPS_SYS(sys_mlockall , 1) | |
186 | MIPS_SYS(sys_munlockall , 0) | |
187 | MIPS_SYS(sys_sched_setparam, 2) | |
188 | MIPS_SYS(sys_sched_getparam, 2) | |
189 | MIPS_SYS(sys_sched_setscheduler, 3) /* 4160 */ | |
190 | MIPS_SYS(sys_sched_getscheduler, 1) | |
191 | MIPS_SYS(sys_sched_yield , 0) | |
192 | MIPS_SYS(sys_sched_get_priority_max, 1) | |
193 | MIPS_SYS(sys_sched_get_priority_min, 1) | |
194 | MIPS_SYS(sys_sched_rr_get_interval, 2) /* 4165 */ | |
195 | MIPS_SYS(sys_nanosleep, 2) | |
196 | MIPS_SYS(sys_mremap , 5) | |
197 | MIPS_SYS(sys_accept , 3) | |
198 | MIPS_SYS(sys_bind , 3) | |
199 | MIPS_SYS(sys_connect , 3) /* 4170 */ | |
200 | MIPS_SYS(sys_getpeername , 3) | |
201 | MIPS_SYS(sys_getsockname , 3) | |
202 | MIPS_SYS(sys_getsockopt , 5) | |
203 | MIPS_SYS(sys_listen , 2) | |
204 | MIPS_SYS(sys_recv , 4) /* 4175 */ | |
205 | MIPS_SYS(sys_recvfrom , 6) | |
206 | MIPS_SYS(sys_recvmsg , 3) | |
207 | MIPS_SYS(sys_send , 4) | |
208 | MIPS_SYS(sys_sendmsg , 3) | |
209 | MIPS_SYS(sys_sendto , 6) /* 4180 */ | |
210 | MIPS_SYS(sys_setsockopt , 5) | |
211 | MIPS_SYS(sys_shutdown , 2) | |
212 | MIPS_SYS(sys_socket , 3) | |
213 | MIPS_SYS(sys_socketpair , 4) | |
214 | MIPS_SYS(sys_setresuid , 3) /* 4185 */ | |
215 | MIPS_SYS(sys_getresuid , 3) | |
216 | MIPS_SYS(sys_ni_syscall , 0) /* was sys_query_module */ | |
217 | MIPS_SYS(sys_poll , 3) | |
218 | MIPS_SYS(sys_nfsservctl , 3) | |
219 | MIPS_SYS(sys_setresgid , 3) /* 4190 */ | |
220 | MIPS_SYS(sys_getresgid , 3) | |
221 | MIPS_SYS(sys_prctl , 5) | |
222 | MIPS_SYS(sys_rt_sigreturn, 0) | |
223 | MIPS_SYS(sys_rt_sigaction, 4) | |
224 | MIPS_SYS(sys_rt_sigprocmask, 4) /* 4195 */ | |
225 | MIPS_SYS(sys_rt_sigpending, 2) | |
226 | MIPS_SYS(sys_rt_sigtimedwait, 4) | |
227 | MIPS_SYS(sys_rt_sigqueueinfo, 3) | |
228 | MIPS_SYS(sys_rt_sigsuspend, 0) | |
229 | MIPS_SYS(sys_pread64 , 6) /* 4200 */ | |
230 | MIPS_SYS(sys_pwrite64 , 6) | |
231 | MIPS_SYS(sys_chown , 3) | |
232 | MIPS_SYS(sys_getcwd , 2) | |
233 | MIPS_SYS(sys_capget , 2) | |
234 | MIPS_SYS(sys_capset , 2) /* 4205 */ | |
235 | MIPS_SYS(sys_sigaltstack , 2) | |
236 | MIPS_SYS(sys_sendfile , 4) | |
237 | MIPS_SYS(sys_ni_syscall , 0) | |
238 | MIPS_SYS(sys_ni_syscall , 0) | |
239 | MIPS_SYS(sys_mmap2 , 6) /* 4210 */ | |
240 | MIPS_SYS(sys_truncate64 , 4) | |
241 | MIPS_SYS(sys_ftruncate64 , 4) | |
242 | MIPS_SYS(sys_stat64 , 2) | |
243 | MIPS_SYS(sys_lstat64 , 2) | |
244 | MIPS_SYS(sys_fstat64 , 2) /* 4215 */ | |
245 | MIPS_SYS(sys_pivot_root , 2) | |
246 | MIPS_SYS(sys_mincore , 3) | |
247 | MIPS_SYS(sys_madvise , 3) | |
248 | MIPS_SYS(sys_getdents64 , 3) | |
249 | MIPS_SYS(sys_fcntl64 , 3) /* 4220 */ | |
250 | MIPS_SYS(sys_ni_syscall , 0) | |
251 | MIPS_SYS(sys_gettid , 0) | |
252 | MIPS_SYS(sys_readahead , 5) | |
253 | MIPS_SYS(sys_setxattr , 5) | |
254 | MIPS_SYS(sys_lsetxattr , 5) /* 4225 */ | |
255 | MIPS_SYS(sys_fsetxattr , 5) | |
256 | MIPS_SYS(sys_getxattr , 4) | |
257 | MIPS_SYS(sys_lgetxattr , 4) | |
258 | MIPS_SYS(sys_fgetxattr , 4) | |
259 | MIPS_SYS(sys_listxattr , 3) /* 4230 */ | |
260 | MIPS_SYS(sys_llistxattr , 3) | |
261 | MIPS_SYS(sys_flistxattr , 3) | |
262 | MIPS_SYS(sys_removexattr , 2) | |
263 | MIPS_SYS(sys_lremovexattr, 2) | |
264 | MIPS_SYS(sys_fremovexattr, 2) /* 4235 */ | |
265 | MIPS_SYS(sys_tkill , 2) | |
266 | MIPS_SYS(sys_sendfile64 , 5) | |
267 | MIPS_SYS(sys_futex , 6) | |
268 | MIPS_SYS(sys_sched_setaffinity, 3) | |
269 | MIPS_SYS(sys_sched_getaffinity, 3) /* 4240 */ | |
270 | MIPS_SYS(sys_io_setup , 2) | |
271 | MIPS_SYS(sys_io_destroy , 1) | |
272 | MIPS_SYS(sys_io_getevents, 5) | |
273 | MIPS_SYS(sys_io_submit , 3) | |
274 | MIPS_SYS(sys_io_cancel , 3) /* 4245 */ | |
275 | MIPS_SYS(sys_exit_group , 1) | |
276 | MIPS_SYS(sys_lookup_dcookie, 3) | |
277 | MIPS_SYS(sys_epoll_create, 1) | |
278 | MIPS_SYS(sys_epoll_ctl , 4) | |
279 | MIPS_SYS(sys_epoll_wait , 3) /* 4250 */ | |
280 | MIPS_SYS(sys_remap_file_pages, 5) | |
281 | MIPS_SYS(sys_set_tid_address, 1) | |
282 | MIPS_SYS(sys_restart_syscall, 0) | |
283 | MIPS_SYS(sys_fadvise64_64, 7) | |
284 | MIPS_SYS(sys_statfs64 , 3) /* 4255 */ | |
285 | MIPS_SYS(sys_fstatfs64 , 2) | |
286 | MIPS_SYS(sys_timer_create, 3) | |
287 | MIPS_SYS(sys_timer_settime, 4) | |
288 | MIPS_SYS(sys_timer_gettime, 2) | |
289 | MIPS_SYS(sys_timer_getoverrun, 1) /* 4260 */ | |
290 | MIPS_SYS(sys_timer_delete, 1) | |
291 | MIPS_SYS(sys_clock_settime, 2) | |
292 | MIPS_SYS(sys_clock_gettime, 2) | |
293 | MIPS_SYS(sys_clock_getres, 2) | |
294 | MIPS_SYS(sys_clock_nanosleep, 4) /* 4265 */ | |
295 | MIPS_SYS(sys_tgkill , 3) | |
296 | MIPS_SYS(sys_utimes , 2) | |
297 | MIPS_SYS(sys_mbind , 4) | |
298 | MIPS_SYS(sys_ni_syscall , 0) /* sys_get_mempolicy */ | |
299 | MIPS_SYS(sys_ni_syscall , 0) /* 4270 sys_set_mempolicy */ | |
300 | MIPS_SYS(sys_mq_open , 4) | |
301 | MIPS_SYS(sys_mq_unlink , 1) | |
302 | MIPS_SYS(sys_mq_timedsend, 5) | |
303 | MIPS_SYS(sys_mq_timedreceive, 5) | |
304 | MIPS_SYS(sys_mq_notify , 2) /* 4275 */ | |
305 | MIPS_SYS(sys_mq_getsetattr, 3) | |
306 | MIPS_SYS(sys_ni_syscall , 0) /* sys_vserver */ | |
307 | MIPS_SYS(sys_waitid , 4) | |
308 | MIPS_SYS(sys_ni_syscall , 0) /* available, was setaltroot */ | |
309 | MIPS_SYS(sys_add_key , 5) | |
310 | MIPS_SYS(sys_request_key, 4) | |
311 | MIPS_SYS(sys_keyctl , 5) | |
312 | MIPS_SYS(sys_set_thread_area, 1) | |
313 | MIPS_SYS(sys_inotify_init, 0) | |
314 | MIPS_SYS(sys_inotify_add_watch, 3) /* 4285 */ | |
315 | MIPS_SYS(sys_inotify_rm_watch, 2) | |
316 | MIPS_SYS(sys_migrate_pages, 4) | |
317 | MIPS_SYS(sys_openat, 4) | |
318 | MIPS_SYS(sys_mkdirat, 3) | |
319 | MIPS_SYS(sys_mknodat, 4) /* 4290 */ | |
320 | MIPS_SYS(sys_fchownat, 5) | |
321 | MIPS_SYS(sys_futimesat, 3) | |
322 | MIPS_SYS(sys_fstatat64, 4) | |
323 | MIPS_SYS(sys_unlinkat, 3) | |
324 | MIPS_SYS(sys_renameat, 4) /* 4295 */ | |
325 | MIPS_SYS(sys_linkat, 5) | |
326 | MIPS_SYS(sys_symlinkat, 3) | |
327 | MIPS_SYS(sys_readlinkat, 4) | |
328 | MIPS_SYS(sys_fchmodat, 3) | |
329 | MIPS_SYS(sys_faccessat, 3) /* 4300 */ | |
330 | MIPS_SYS(sys_pselect6, 6) | |
331 | MIPS_SYS(sys_ppoll, 5) | |
332 | MIPS_SYS(sys_unshare, 1) | |
333 | MIPS_SYS(sys_splice, 6) | |
334 | MIPS_SYS(sys_sync_file_range, 7) /* 4305 */ | |
335 | MIPS_SYS(sys_tee, 4) | |
336 | MIPS_SYS(sys_vmsplice, 4) | |
337 | MIPS_SYS(sys_move_pages, 6) | |
338 | MIPS_SYS(sys_set_robust_list, 2) | |
339 | MIPS_SYS(sys_get_robust_list, 3) /* 4310 */ | |
340 | MIPS_SYS(sys_kexec_load, 4) | |
341 | MIPS_SYS(sys_getcpu, 3) | |
342 | MIPS_SYS(sys_epoll_pwait, 6) | |
343 | MIPS_SYS(sys_ioprio_set, 3) | |
344 | MIPS_SYS(sys_ioprio_get, 2) | |
345 | MIPS_SYS(sys_utimensat, 4) | |
346 | MIPS_SYS(sys_signalfd, 3) | |
347 | MIPS_SYS(sys_ni_syscall, 0) /* was timerfd */ | |
348 | MIPS_SYS(sys_eventfd, 1) | |
349 | MIPS_SYS(sys_fallocate, 6) /* 4320 */ | |
350 | MIPS_SYS(sys_timerfd_create, 2) | |
351 | MIPS_SYS(sys_timerfd_gettime, 2) | |
352 | MIPS_SYS(sys_timerfd_settime, 4) | |
353 | MIPS_SYS(sys_signalfd4, 4) | |
354 | MIPS_SYS(sys_eventfd2, 2) /* 4325 */ | |
355 | MIPS_SYS(sys_epoll_create1, 1) | |
356 | MIPS_SYS(sys_dup3, 3) | |
357 | MIPS_SYS(sys_pipe2, 2) | |
358 | MIPS_SYS(sys_inotify_init1, 1) | |
359 | MIPS_SYS(sys_preadv, 5) /* 4330 */ | |
360 | MIPS_SYS(sys_pwritev, 5) | |
361 | MIPS_SYS(sys_rt_tgsigqueueinfo, 4) | |
362 | MIPS_SYS(sys_perf_event_open, 5) | |
363 | MIPS_SYS(sys_accept4, 4) | |
364 | MIPS_SYS(sys_recvmmsg, 5) /* 4335 */ | |
365 | MIPS_SYS(sys_fanotify_init, 2) | |
366 | MIPS_SYS(sys_fanotify_mark, 6) | |
367 | MIPS_SYS(sys_prlimit64, 4) | |
368 | MIPS_SYS(sys_name_to_handle_at, 5) | |
369 | MIPS_SYS(sys_open_by_handle_at, 3) /* 4340 */ | |
370 | MIPS_SYS(sys_clock_adjtime, 2) | |
371 | MIPS_SYS(sys_syncfs, 1) | |
372 | MIPS_SYS(sys_sendmmsg, 4) | |
373 | MIPS_SYS(sys_setns, 2) | |
374 | MIPS_SYS(sys_process_vm_readv, 6) /* 345 */ | |
375 | MIPS_SYS(sys_process_vm_writev, 6) | |
376 | MIPS_SYS(sys_kcmp, 5) | |
377 | MIPS_SYS(sys_finit_module, 3) | |
378 | MIPS_SYS(sys_sched_setattr, 2) | |
379 | MIPS_SYS(sys_sched_getattr, 3) /* 350 */ | |
380 | MIPS_SYS(sys_renameat2, 5) | |
381 | MIPS_SYS(sys_seccomp, 3) | |
382 | MIPS_SYS(sys_getrandom, 3) | |
383 | MIPS_SYS(sys_memfd_create, 2) | |
384 | MIPS_SYS(sys_bpf, 3) /* 355 */ | |
385 | MIPS_SYS(sys_execveat, 5) | |
386 | MIPS_SYS(sys_userfaultfd, 1) | |
387 | MIPS_SYS(sys_membarrier, 2) | |
388 | MIPS_SYS(sys_mlock2, 3) | |
389 | MIPS_SYS(sys_copy_file_range, 6) /* 360 */ | |
390 | MIPS_SYS(sys_preadv2, 6) | |
391 | MIPS_SYS(sys_pwritev2, 6) | |
392 | }; | |
393 | # undef MIPS_SYS | |
394 | # endif /* O32 */ | |
395 | ||
58908ef6 LV |
396 | /* Break codes */ |
397 | enum { | |
398 | BRK_OVERFLOW = 6, | |
399 | BRK_DIVZERO = 7 | |
400 | }; | |
401 | ||
402 | static int do_break(CPUMIPSState *env, target_siginfo_t *info, | |
403 | unsigned int code) | |
404 | { | |
405 | int ret = -1; | |
406 | ||
407 | switch (code) { | |
408 | case BRK_OVERFLOW: | |
409 | case BRK_DIVZERO: | |
410 | info->si_signo = TARGET_SIGFPE; | |
411 | info->si_errno = 0; | |
412 | info->si_code = (code == BRK_OVERFLOW) ? FPE_INTOVF : FPE_INTDIV; | |
413 | queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); | |
414 | ret = 0; | |
415 | break; | |
416 | default: | |
417 | info->si_signo = TARGET_SIGTRAP; | |
418 | info->si_errno = 0; | |
419 | queue_signal(env, info->si_signo, QEMU_SI_FAULT, &*info); | |
420 | ret = 0; | |
421 | break; | |
422 | } | |
423 | ||
424 | return ret; | |
425 | } | |
426 | ||
427 | void cpu_loop(CPUMIPSState *env) | |
428 | { | |
5a7330b3 | 429 | CPUState *cs = env_cpu(env); |
58908ef6 LV |
430 | target_siginfo_t info; |
431 | int trapnr; | |
432 | abi_long ret; | |
433 | # ifdef TARGET_ABI_MIPSO32 | |
434 | unsigned int syscall_num; | |
435 | # endif | |
436 | ||
437 | for(;;) { | |
438 | cpu_exec_start(cs); | |
439 | trapnr = cpu_exec(cs); | |
440 | cpu_exec_end(cs); | |
441 | process_queued_cpu_work(cs); | |
442 | ||
443 | switch(trapnr) { | |
444 | case EXCP_SYSCALL: | |
445 | env->active_tc.PC += 4; | |
446 | # ifdef TARGET_ABI_MIPSO32 | |
447 | syscall_num = env->active_tc.gpr[2] - 4000; | |
448 | if (syscall_num >= sizeof(mips_syscall_args)) { | |
449 | ret = -TARGET_ENOSYS; | |
450 | } else { | |
451 | int nb_args; | |
452 | abi_ulong sp_reg; | |
453 | abi_ulong arg5 = 0, arg6 = 0, arg7 = 0, arg8 = 0; | |
454 | ||
455 | nb_args = mips_syscall_args[syscall_num]; | |
456 | sp_reg = env->active_tc.gpr[29]; | |
457 | switch (nb_args) { | |
458 | /* these arguments are taken from the stack */ | |
459 | case 8: | |
460 | if ((ret = get_user_ual(arg8, sp_reg + 28)) != 0) { | |
461 | goto done_syscall; | |
462 | } | |
463 | case 7: | |
464 | if ((ret = get_user_ual(arg7, sp_reg + 24)) != 0) { | |
465 | goto done_syscall; | |
466 | } | |
467 | case 6: | |
468 | if ((ret = get_user_ual(arg6, sp_reg + 20)) != 0) { | |
469 | goto done_syscall; | |
470 | } | |
471 | case 5: | |
472 | if ((ret = get_user_ual(arg5, sp_reg + 16)) != 0) { | |
473 | goto done_syscall; | |
474 | } | |
475 | default: | |
476 | break; | |
477 | } | |
478 | ret = do_syscall(env, env->active_tc.gpr[2], | |
479 | env->active_tc.gpr[4], | |
480 | env->active_tc.gpr[5], | |
481 | env->active_tc.gpr[6], | |
482 | env->active_tc.gpr[7], | |
483 | arg5, arg6, arg7, arg8); | |
484 | } | |
485 | done_syscall: | |
486 | # else | |
487 | ret = do_syscall(env, env->active_tc.gpr[2], | |
488 | env->active_tc.gpr[4], env->active_tc.gpr[5], | |
489 | env->active_tc.gpr[6], env->active_tc.gpr[7], | |
490 | env->active_tc.gpr[8], env->active_tc.gpr[9], | |
491 | env->active_tc.gpr[10], env->active_tc.gpr[11]); | |
492 | # endif /* O32 */ | |
493 | if (ret == -TARGET_ERESTARTSYS) { | |
494 | env->active_tc.PC -= 4; | |
495 | break; | |
496 | } | |
497 | if (ret == -TARGET_QEMU_ESIGRETURN) { | |
498 | /* Returning from a successful sigreturn syscall. | |
499 | Avoid clobbering register state. */ | |
500 | break; | |
501 | } | |
502 | if ((abi_ulong)ret >= (abi_ulong)-1133) { | |
503 | env->active_tc.gpr[7] = 1; /* error flag */ | |
504 | ret = -ret; | |
505 | } else { | |
506 | env->active_tc.gpr[7] = 0; /* error flag */ | |
507 | } | |
508 | env->active_tc.gpr[2] = ret; | |
509 | break; | |
510 | case EXCP_TLBL: | |
511 | case EXCP_TLBS: | |
512 | case EXCP_AdEL: | |
513 | case EXCP_AdES: | |
514 | info.si_signo = TARGET_SIGSEGV; | |
515 | info.si_errno = 0; | |
516 | /* XXX: check env->error_code */ | |
517 | info.si_code = TARGET_SEGV_MAPERR; | |
518 | info._sifields._sigfault._addr = env->CP0_BadVAddr; | |
519 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
520 | break; | |
521 | case EXCP_CpU: | |
522 | case EXCP_RI: | |
523 | info.si_signo = TARGET_SIGILL; | |
524 | info.si_errno = 0; | |
525 | info.si_code = 0; | |
526 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
527 | break; | |
528 | case EXCP_INTERRUPT: | |
529 | /* just indicate that signals should be handled asap */ | |
530 | break; | |
531 | case EXCP_DEBUG: | |
b10089a1 PM |
532 | info.si_signo = TARGET_SIGTRAP; |
533 | info.si_errno = 0; | |
534 | info.si_code = TARGET_TRAP_BRKPT; | |
535 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
58908ef6 | 536 | break; |
58908ef6 LV |
537 | case EXCP_DSPDIS: |
538 | info.si_signo = TARGET_SIGILL; | |
539 | info.si_errno = 0; | |
540 | info.si_code = TARGET_ILL_ILLOPC; | |
541 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
542 | break; | |
64ce541c AM |
543 | case EXCP_FPE: |
544 | info.si_signo = TARGET_SIGFPE; | |
545 | info.si_errno = 0; | |
546 | info.si_code = TARGET_FPE_FLTUNK; | |
547 | if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_INVALID) { | |
548 | info.si_code = TARGET_FPE_FLTINV; | |
549 | } else if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_DIV0) { | |
550 | info.si_code = TARGET_FPE_FLTDIV; | |
551 | } else if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_OVERFLOW) { | |
552 | info.si_code = TARGET_FPE_FLTOVF; | |
553 | } else if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_UNDERFLOW) { | |
554 | info.si_code = TARGET_FPE_FLTUND; | |
555 | } else if (GET_FP_CAUSE(env->active_fpu.fcr31) & FP_INEXACT) { | |
556 | info.si_code = TARGET_FPE_FLTRES; | |
557 | } | |
558 | queue_signal(env, info.si_signo, QEMU_SI_FAULT, &info); | |
559 | break; | |
58908ef6 LV |
560 | /* The code below was inspired by the MIPS Linux kernel trap |
561 | * handling code in arch/mips/kernel/traps.c. | |
562 | */ | |
563 | case EXCP_BREAK: | |
564 | { | |
565 | abi_ulong trap_instr; | |
566 | unsigned int code; | |
567 | ||
568 | if (env->hflags & MIPS_HFLAG_M16) { | |
569 | if (env->insn_flags & ASE_MICROMIPS) { | |
570 | /* microMIPS mode */ | |
571 | ret = get_user_u16(trap_instr, env->active_tc.PC); | |
572 | if (ret != 0) { | |
573 | goto error; | |
574 | } | |
575 | ||
576 | if ((trap_instr >> 10) == 0x11) { | |
577 | /* 16-bit instruction */ | |
578 | code = trap_instr & 0xf; | |
579 | } else { | |
580 | /* 32-bit instruction */ | |
581 | abi_ulong instr_lo; | |
582 | ||
583 | ret = get_user_u16(instr_lo, | |
584 | env->active_tc.PC + 2); | |
585 | if (ret != 0) { | |
586 | goto error; | |
587 | } | |
588 | trap_instr = (trap_instr << 16) | instr_lo; | |
589 | code = ((trap_instr >> 6) & ((1 << 20) - 1)); | |
590 | /* Unfortunately, microMIPS also suffers from | |
591 | the old assembler bug... */ | |
592 | if (code >= (1 << 10)) { | |
593 | code >>= 10; | |
594 | } | |
595 | } | |
596 | } else { | |
597 | /* MIPS16e mode */ | |
598 | ret = get_user_u16(trap_instr, env->active_tc.PC); | |
599 | if (ret != 0) { | |
600 | goto error; | |
601 | } | |
602 | code = (trap_instr >> 6) & 0x3f; | |
603 | } | |
604 | } else { | |
605 | ret = get_user_u32(trap_instr, env->active_tc.PC); | |
606 | if (ret != 0) { | |
607 | goto error; | |
608 | } | |
609 | ||
610 | /* As described in the original Linux kernel code, the | |
611 | * below checks on 'code' are to work around an old | |
612 | * assembly bug. | |
613 | */ | |
614 | code = ((trap_instr >> 6) & ((1 << 20) - 1)); | |
615 | if (code >= (1 << 10)) { | |
616 | code >>= 10; | |
617 | } | |
618 | } | |
619 | ||
620 | if (do_break(env, &info, code) != 0) { | |
621 | goto error; | |
622 | } | |
623 | } | |
624 | break; | |
625 | case EXCP_TRAP: | |
626 | { | |
627 | abi_ulong trap_instr; | |
628 | unsigned int code = 0; | |
629 | ||
630 | if (env->hflags & MIPS_HFLAG_M16) { | |
631 | /* microMIPS mode */ | |
632 | abi_ulong instr[2]; | |
633 | ||
634 | ret = get_user_u16(instr[0], env->active_tc.PC) || | |
635 | get_user_u16(instr[1], env->active_tc.PC + 2); | |
636 | ||
637 | trap_instr = (instr[0] << 16) | instr[1]; | |
638 | } else { | |
639 | ret = get_user_u32(trap_instr, env->active_tc.PC); | |
640 | } | |
641 | ||
642 | if (ret != 0) { | |
643 | goto error; | |
644 | } | |
645 | ||
646 | /* The immediate versions don't provide a code. */ | |
647 | if (!(trap_instr & 0xFC000000)) { | |
648 | if (env->hflags & MIPS_HFLAG_M16) { | |
649 | /* microMIPS mode */ | |
650 | code = ((trap_instr >> 12) & ((1 << 4) - 1)); | |
651 | } else { | |
652 | code = ((trap_instr >> 6) & ((1 << 10) - 1)); | |
653 | } | |
654 | } | |
655 | ||
656 | if (do_break(env, &info, code) != 0) { | |
657 | goto error; | |
658 | } | |
659 | } | |
660 | break; | |
661 | case EXCP_ATOMIC: | |
662 | cpu_exec_step_atomic(cs); | |
663 | break; | |
664 | default: | |
665 | error: | |
666 | EXCP_DUMP(env, "qemu: unhandled CPU exception 0x%x - aborting\n", trapnr); | |
667 | abort(); | |
668 | } | |
669 | process_pending_signals(env); | |
670 | } | |
671 | } | |
cd71c089 LV |
672 | |
673 | void target_cpu_copy_regs(CPUArchState *env, struct target_pt_regs *regs) | |
674 | { | |
29a0af61 | 675 | CPUState *cpu = env_cpu(env); |
58908ef6 LV |
676 | TaskState *ts = cpu->opaque; |
677 | struct image_info *info = ts->info; | |
678 | int i; | |
679 | ||
0c1bbedc SM |
680 | struct mode_req { |
681 | bool single; | |
682 | bool soft; | |
683 | bool fr1; | |
684 | bool frdefault; | |
685 | bool fre; | |
686 | }; | |
687 | ||
688 | static const struct mode_req fpu_reqs[] = { | |
689 | [MIPS_ABI_FP_ANY] = { true, true, true, true, true }, | |
690 | [MIPS_ABI_FP_DOUBLE] = { false, false, false, true, true }, | |
691 | [MIPS_ABI_FP_SINGLE] = { true, false, false, false, false }, | |
692 | [MIPS_ABI_FP_SOFT] = { false, true, false, false, false }, | |
693 | [MIPS_ABI_FP_OLD_64] = { false, false, false, false, false }, | |
694 | [MIPS_ABI_FP_XX] = { false, false, true, true, true }, | |
695 | [MIPS_ABI_FP_64] = { false, false, true, false, false }, | |
696 | [MIPS_ABI_FP_64A] = { false, false, true, false, true } | |
697 | }; | |
698 | ||
699 | /* | |
700 | * Mode requirements when .MIPS.abiflags is not present in the ELF. | |
701 | * Not present means that everything is acceptable except FR1. | |
702 | */ | |
703 | static struct mode_req none_req = { true, true, false, true, true }; | |
704 | ||
705 | struct mode_req prog_req; | |
706 | struct mode_req interp_req; | |
707 | ||
58908ef6 LV |
708 | for(i = 0; i < 32; i++) { |
709 | env->active_tc.gpr[i] = regs->regs[i]; | |
710 | } | |
711 | env->active_tc.PC = regs->cp0_epc & ~(target_ulong)1; | |
712 | if (regs->cp0_epc & 1) { | |
713 | env->hflags |= MIPS_HFLAG_M16; | |
714 | } | |
0c1bbedc SM |
715 | |
716 | #ifdef TARGET_ABI_MIPSO32 | |
717 | # define MAX_FP_ABI MIPS_ABI_FP_64A | |
718 | #else | |
719 | # define MAX_FP_ABI MIPS_ABI_FP_SOFT | |
720 | #endif | |
721 | if ((info->fp_abi > MAX_FP_ABI && info->fp_abi != MIPS_ABI_FP_UNKNOWN) | |
722 | || (info->interp_fp_abi > MAX_FP_ABI && | |
723 | info->interp_fp_abi != MIPS_ABI_FP_UNKNOWN)) { | |
724 | fprintf(stderr, "qemu: Unexpected FPU mode\n"); | |
725 | exit(1); | |
726 | } | |
727 | ||
728 | prog_req = (info->fp_abi == MIPS_ABI_FP_UNKNOWN) ? none_req | |
729 | : fpu_reqs[info->fp_abi]; | |
730 | interp_req = (info->interp_fp_abi == MIPS_ABI_FP_UNKNOWN) ? none_req | |
731 | : fpu_reqs[info->interp_fp_abi]; | |
732 | ||
733 | prog_req.single &= interp_req.single; | |
734 | prog_req.soft &= interp_req.soft; | |
735 | prog_req.fr1 &= interp_req.fr1; | |
736 | prog_req.frdefault &= interp_req.frdefault; | |
737 | prog_req.fre &= interp_req.fre; | |
738 | ||
739 | bool cpu_has_mips_r2_r6 = env->insn_flags & ISA_MIPS32R2 || | |
740 | env->insn_flags & ISA_MIPS64R2 || | |
741 | env->insn_flags & ISA_MIPS32R6 || | |
742 | env->insn_flags & ISA_MIPS64R6; | |
743 | ||
744 | if (prog_req.fre && !prog_req.frdefault && !prog_req.fr1) { | |
745 | env->CP0_Config5 |= (1 << CP0C5_FRE); | |
746 | if (env->active_fpu.fcr0 & (1 << FCR0_FREP)) { | |
747 | env->hflags |= MIPS_HFLAG_FRE; | |
748 | } | |
749 | } else if ((prog_req.fr1 && prog_req.frdefault) || | |
750 | (prog_req.single && !prog_req.frdefault)) { | |
751 | if ((env->active_fpu.fcr0 & (1 << FCR0_F64) | |
752 | && cpu_has_mips_r2_r6) || prog_req.fr1) { | |
753 | env->CP0_Status |= (1 << CP0St_FR); | |
754 | env->hflags |= MIPS_HFLAG_F64; | |
755 | } | |
756 | } else if (!prog_req.fre && !prog_req.frdefault && | |
757 | !prog_req.fr1 && !prog_req.single && !prog_req.soft) { | |
758 | fprintf(stderr, "qemu: Can't find a matching FPU mode\n"); | |
759 | exit(1); | |
760 | } | |
761 | ||
722ac96c AM |
762 | if (env->insn_flags & ISA_NANOMIPS32) { |
763 | return; | |
764 | } | |
58908ef6 LV |
765 | if (((info->elf_flags & EF_MIPS_NAN2008) != 0) != |
766 | ((env->active_fpu.fcr31 & (1 << FCR31_NAN2008)) != 0)) { | |
767 | if ((env->active_fpu.fcr31_rw_bitmask & | |
768 | (1 << FCR31_NAN2008)) == 0) { | |
769 | fprintf(stderr, "ELF binary's NaN mode not supported by CPU\n"); | |
770 | exit(1); | |
771 | } | |
772 | if ((info->elf_flags & EF_MIPS_NAN2008) != 0) { | |
773 | env->active_fpu.fcr31 |= (1 << FCR31_NAN2008); | |
774 | } else { | |
775 | env->active_fpu.fcr31 &= ~(1 << FCR31_NAN2008); | |
776 | } | |
777 | restore_snan_bit_mode(env); | |
778 | } | |
cd71c089 | 779 | } |