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*/
1 /* $Id: unistd.h,v 1.15 1995/11/25 02:33:12 davem Exp $ */
2 #ifndef _SPARC_UNISTD_H
3 #define _SPARC_UNISTD_H
4
5 /*
6 * System calls under the Sparc.
7 *
8 * Don't be scared by the ugly clobbers, it is the only way I can
9 * think of right now to force the arguments into fixed registers
10 * before the trap into the system call with gcc 'asm' statements.
11 *
12 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
13 *
14 * SunOS compatability based upon preliminary work which is:
15 *
16 * Copyright (C) 1995 Adrian M. Rodriguez (adrian@remus.rutgers.edu)
17 */
18
19 #define __NR_setup 0 /* Used only by init, to get system going. */
20 #define __NR_exit 1 /* Common */
21 #define __NR_fork 2 /* Common */
22 #define __NR_read 3 /* Common */
23 #define __NR_write 4 /* Common */
24 #define __NR_open 5 /* Common */
25 #define __NR_close 6 /* Common */
26 #define __NR_wait4 7 /* Common */
27 #define __NR_creat 8 /* Common */
28 #define __NR_link 9 /* Common */
29 #define __NR_unlink 10 /* Common */
30 #define __NR_execv 11 /* SunOS Specific */
31 #define __NR_chdir 12 /* Common */
32 /* #define __NR_ni_syscall 13 ENOSYS under SunOS */
33 #define __NR_mknod 14 /* Common */
34 #define __NR_chmod 15 /* Common */
35 #define __NR_chown 16 /* Common */
36 #define __NR_brk 17 /* Common */
37 /* #define __NR_ni_syscall 18 ENOSYS under SunOS */
38 #define __NR_lseek 19 /* Common */
39 #define __NR_getpid 20 /* Common */
40 /* #define __NR_ni_syscall 21 ENOSYS under SunOS */
41 /* #define __NR_ni_syscall 22 ENOSYS under SunOS */
42 #define __NR_setuid 23 /* Implemented via setreuid in SunOS */
43 #define __NR_getuid 24 /* Common */
44 /* #define __NR_ni_syscall 25 ENOSYS under SunOS */
45 #define __NR_ptrace 26 /* Common */
46 #define __NR_alarm 27 /* Implemented via setitimer in SunOS */
47 /* #define __NR_ni_syscall 28 ENOSYS under SunOS */
48 #define __NR_pause 29 /* Is sigblock(0)->sigpause() in SunOS */
49 #define __NR_utime 30 /* Implemented via utimes() under SunOS */
50 #define __NR_stty 31 /* Implemented via ioctl() under SunOS */
51 #define __NR_gtty 32 /* Implemented via ioctl() under SunOS */
52 #define __NR_access 33 /* Common */
53 #define __NR_nice 34 /* Implemented via get/setpriority() in SunOS */
54 #define __NR_ftime 35 /* Implemented via gettimeofday() in SunOS */
55 #define __NR_sync 36 /* Common */
56 #define __NR_kill 37 /* Common */
57 #define __NR_stat 38 /* Common */
58 /* #define __NR_ni_syscall 39 ENOSYS under SunOS */
59 #define __NR_lstat 40 /* Common */
60 #define __NR_dup 41 /* Common */
61 #define __NR_pipe 42 /* Common */
62 #define __NR_times 43 /* Implemented via getrusage() in SunOS */
63 #define __NR_profil 44 /* Common */
64 /* #define __NR_ni_syscall 45 ENOSYS under SunOS */
65 #define __NR_setgid 46 /* Implemented via setregid() in SunOS */
66 #define __NR_getgid 47 /* Common */
67 #define __NR_signal 48 /* Implemented via sigvec() in SunOS */
68 #define __NR_geteuid 49 /* SunOS calls getuid() */
69 #define __NR_getegid 50 /* SunOS calls getgid() */
70 #define __NR_acct 51 /* Common */
71 /* #define __NR_ni_syscall 52 ENOSYS under SunOS */
72 #define __NR_mctl 53 /* SunOS specific */
73 #define __NR_ioctl 54 /* Common */
74 #define __NR_reboot 55 /* Common */
75 /* #define __NR_ni_syscall 56 ENOSYS under SunOS */
76 #define __NR_symlink 57 /* Common */
77 #define __NR_readlink 58 /* Common */
78 #define __NR_execve 59 /* Common */
79 #define __NR_umask 60 /* Common */
80 #define __NR_chroot 61 /* Common */
81 #define __NR_fstat 62 /* Common */
82 /* #define __NR_ni_syscall 63 ENOSYS under SunOS */
83 #define __NR_getpagesize 64 /* Common */
84 #define __NR_msync 65 /* Common in newer 1.3.x revs... */
85 /* #define __NR_ni_syscall 66 ENOSYS under SunOS */
86 /* #define __NR_ni_syscall 67 ENOSYS under SunOS */
87 /* #define __NR_ni_syscall 68 ENOSYS under SunOS */
88 #define __NR_sbrk 69 /* SunOS Specific */
89 #define __NR_sstk 70 /* SunOS Specific */
90 #define __NR_mmap 71 /* Common */
91 #define __NR_vadvise 72 /* SunOS Specific */
92 #define __NR_munmap 73 /* Common */
93 #define __NR_mprotect 74 /* Common */
94 #define __NR_madvise 75 /* SunOS Specific */
95 #define __NR_vhangup 76 /* Common */
96 /* #define __NR_ni_syscall 77 ENOSYS under SunOS */
97 #define __NR_mincore 78 /* SunOS Specific */
98 #define __NR_getgroups 79 /* Common */
99 #define __NR_setgroups 80 /* Common */
100 #define __NR_getpgrp 81 /* Common */
101 #define __NR_setpgrp 82 /* setpgid, same difference... */
102 #define __NR_setitimer 83 /* Common */
103 /* #define __NR_ni_syscall 84 ENOSYS under SunOS */
104 #define __NR_swapon 85 /* Common */
105 #define __NR_getitimer 86 /* Common */
106 #define __NR_gethostname 87 /* SunOS Specific */
107 #define __NR_sethostname 88 /* Common */
108 #define __NR_getdtablesize 89 /* SunOS Specific */
109 #define __NR_dup2 90 /* Common */
110 #define __NR_getdopt 91 /* SunOS Specific */
111 #define __NR_fcntl 92 /* Common */
112 #define __NR_select 93 /* Common */
113 #define __NR_setdopt 94 /* SunOS Specific */
114 #define __NR_fsync 95 /* Common */
115 #define __NR_setpriority 96 /* Common */
116 #define __NR_socket 97 /* SunOS Specific */
117 #define __NR_connect 98 /* SunOS Specific */
118 #define __NR_accept 99 /* SunOS Specific */
119 #define __NR_getpriority 100 /* Common */
120 #define __NR_send 101 /* SunOS Specific */
121 #define __NR_recv 102 /* SunOS Specific */
122 /* #define __NR_ni_syscall 103 ENOSYS under SunOS */
123 #define __NR_bind 104 /* SunOS Specific */
124 #define __NR_setsockopt 105 /* SunOS Specific */
125 #define __NR_listen 106 /* SunOS Specific */
126 /* #define __NR_ni_syscall 107 ENOSYS under SunOS */
127 #define __NR_sigvec 108 /* SunOS Specific */
128 #define __NR_sigblock 109 /* SunOS Specific */
129 #define __NR_sigsetmask 110 /* SunOS Specific */
130 #define __NR_sigpause 111 /* SunOS Specific */
131 #define __NR_sigstack 112 /* SunOS Specific */
132 #define __NR_recvmsg 113 /* SunOS Specific */
133 #define __NR_sendmsg 114 /* SunOS Specific */
134 #define __NR_vtrace 115 /* SunOS Specific */
135 #define __NR_gettimeofday 116 /* Common */
136 #define __NR_getrusage 117 /* Common */
137 #define __NR_getsockopt 118 /* SunOS Specific */
138 /* #define __NR_ni_syscall 119 ENOSYS under SunOS */
139 #define __NR_readv 120 /* Common */
140 #define __NR_writev 121 /* Common */
141 #define __NR_settimeofday 122 /* Common */
142 #define __NR_fchown 123 /* Common */
143 #define __NR_fchmod 124 /* Common */
144 #define __NR_recvfrom 125 /* SunOS Specific */
145 #define __NR_setreuid 126 /* Common */
146 #define __NR_setregid 127 /* Common */
147 #define __NR_rename 128 /* Common */
148 #define __NR_truncate 129 /* Common */
149 #define __NR_ftruncate 130 /* Common */
150 #define __NR_flock 131 /* Common */
151 /* #define __NR_ni_syscall 132 ENOSYS under SunOS */
152 #define __NR_sendto 133 /* SunOS Specific */
153 #define __NR_shutdown 134 /* SunOS Specific */
154 #define __NR_socketpair 135 /* SunOS Specific */
155 #define __NR_mkdir 136 /* Common */
156 #define __NR_rmdir 137 /* Common */
157 #define __NR_utimes 138 /* SunOS Specific */
158 /* #define __NR_ni_syscall 139 ENOSYS under SunOS */
159 #define __NR_adjtime 140 /* SunOS Specific */
160 #define __NR_getpeername 141 /* SunOS Specific */
161 #define __NR_gethostid 142 /* SunOS Specific */
162 /* #define __NR_ni_syscall 143 ENOSYS under SunOS */
163 #define __NR_getrlimit 144 /* Common */
164 #define __NR_setrlimit 145 /* Common */
165 #define __NR_killpg 146 /* SunOS Specific */
166 /* #define __NR_ni_syscall 147 ENOSYS under SunOS */
167 /* #define __NR_ni_syscall 148 ENOSYS under SunOS */
168 /* #define __NR_ni_syscall 149 ENOSYS under SunOS */
169 #define __NR_getsockname 150 /* SunOS Specific */
170 #define __NR_getmsg 151 /* SunOS Specific */
171 #define __NR_putmsg 152 /* SunOS Specific */
172 #define __NR_poll 153 /* SunOS Specific */
173 /* #define __NR_ni_syscall 154 ENOSYS under SunOS */
174 #define __NR_nfssvc 155 /* SunOS Specific */
175 #define __NR_getdirentries 156 /* SunOS Specific */
176 #define __NR_statfs 157 /* Common */
177 #define __NR_fstatfs 158 /* Common */
178 #define __NR_umount 159 /* Common */
179 #define __NR_async_daemon 160 /* SunOS Specific */
180 #define __NR_getfh 161 /* SunOS Specific */
181 #define __NR_getdomainname 162 /* SunOS Specific */
182 #define __NR_setdomainname 163 /* Common */
183 /* #define __NR_ni_syscall 164 ENOSYS under SunOS */
184 #define __NR_quotactl 165 /* Common */
185 #define __NR_exportfs 166 /* SunOS Specific */
186 #define __NR_mount 167 /* Common */
187 #define __NR_ustat 168 /* Common */
188 #define __NR_semsys 169 /* SunOS Specific */
189 #define __NR_msgsys 170 /* SunOS Specific */
190 #define __NR_shmsys 171 /* SunOS Specific */
191 #define __NR_auditsys 172 /* SunOS Specific */
192 #define __NR_rfssys 173 /* SunOS Specific */
193 #define __NR_getdents 174 /* Common */
194 #define __NR_setsid 175 /* Common */
195 #define __NR_fchdir 176 /* Common */
196 #define __NR_fchroot 177 /* SunOS Specific */
197 #define __NR_vpixsys 178 /* SunOS Specific */
198 #define __NR_aioread 179 /* SunOS Specific */
199 #define __NR_aiowrite 180 /* SunOS Specific */
200 #define __NR_aiowait 181 /* SunOS Specific */
201 #define __NR_aiocancel 182 /* SunOS Specific */
202 #define __NR_sigpending 183 /* Common */
203 /* #define __NR_ni_syscall 184 ENOSYS under SunOS */
204 #define __NR_setpgid 185 /* Common */
205 #define __NR_pathconf 186 /* SunOS Specific */
206 #define __NR_fpathconf 187 /* SunOS Specific */
207 #define __NR_sysconf 188 /* SunOS Specific */
208 #define __NR_uname 189 /* Linux Specific */
209 #define __NR_init_module 190 /* Linux Specific */
210 #define __NR_personality 191 /* Linux Specific */
211 #define __NR_prof 192 /* Linux Specific */
212 #define __NR_break 193 /* Linux Specific */
213 #define __NR_lock 194 /* Linux Specific */
214 #define __NR_mpx 195 /* Linux Specific */
215 #define __NR_ulimit 196 /* Linux Specific */
216 #define __NR_getppid 197 /* Linux Specific */
217 #define __NR_sigaction 198 /* Linux Specific */
218 #define __NR_sgetmask 199 /* Linux Specific */
219 #define __NR_ssetmask 200 /* Linux Specific */
220 #define __NR_sigsuspend 201 /* Linux Specific */
221 #define __NR_oldlstat 202 /* Linux Specific */
222 #define __NR_uselib 203 /* Linux Specific */
223 #define __NR_readdir 204 /* Linux Specific */
224 #define __NR_ioperm 205 /* Linux Specific - i386 specific, unused */
225 #define __NR_socketcall 206 /* Linux Specific */
226 #define __NR_syslog 207 /* Linux Specific */
227 #define __NR_olduname 208 /* Linux Specific */
228 #define __NR_iopl 209 /* Linux Specific - i386 specific, unused */
229 #define __NR_idle 210 /* Linux Specific */
230 #define __NR_vm86 211 /* Linux Specific - i386 specific, unused */
231 #define __NR_waitpid 212 /* Linux Specific */
232 #define __NR_swapoff 213 /* Linux Specific */
233 #define __NR_sysinfo 214 /* Linux Specific */
234 #define __NR_ipc 215 /* Linux Specific */
235 #define __NR_sigreturn 216 /* Linux Specific */
236 #define __NR_clone 217 /* Linux Specific */
237 #define __NR_modify_ldt 218 /* Linux Specific - i386 specific, unused */
238 #define __NR_adjtimex 219 /* Linux Specific */
239 #define __NR_sigprocmask 220 /* Linux Specific */
240 #define __NR_create_module 221 /* Linux Specific */
241 #define __NR_delete_module 222 /* Linux Specific */
242 #define __NR_get_kernel_syms 223 /* Linux Specific */
243 #define __NR_getpgid 224 /* Linux Specific */
244 #define __NR_bdflush 225 /* Linux Specific */
245 #define __NR_sysfs 226 /* Linux Specific */
246 #define __NR_afs_syscall 227 /* Linux Specific */
247 #define __NR_setfsuid 228 /* Linux Specific */
248 #define __NR_setfsgid 229 /* Linux Specific */
249 #define __NR__newselect 230 /* Linux Specific */
250 #define __NR_time 231 /* Linux Specific */
251 #define __NR_oldstat 232 /* Linux Specific */
252 #define __NR_stime 233 /* Linux Specific */
253 #define __NR_oldfstat 234 /* Linux Specific */
254 #define __NR_phys 235 /* Linux Specific */
255 #define __NR__llseek 236 /* Linux Specific */
256 #define __NR_mlock 237
257 #define __NR_munlock 238
258 #define __NR_mlockall 239
259 #define __NR_munlockall 240
260
261 /* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar.
262 * XXX These need to be fixed to check the condition codes to see
263 * XXX the return value is an errorno or success.
264 */
265 #define _syscall0(type,name) \
266 type name(void) \
267 { \
268 long __res; \
269 __asm__ volatile ("or %%g0, %0, %%g1\n\t" \
270 "t 0x10\n\t" \
271 "or %%g0, %%o0, %0\n\t" \
272 : "=r" (__res) \
273 : "0" (__NR_##name) \
274 : "g1"); \
275 if (__res >= 0) \
276 return (type) __res; \
277 errno = __res; \
278 return -1; \
279 }
280
281 #define _syscall1(type,name,type1,arg1) \
282 type name(type1 arg1) \
283 { \
284 long __res; \
285 __asm__ volatile ("or %%g0, %0, %%g1\n\t" \
286 "or %%g0, %1, %%o0\n\t" \
287 "t 0x10\n\t" \
288 "or %%g0, %%o0, %0\n\t" \
289 : "=r" (__res), "=r" ((long)(arg1)) \
290 : "0" (__NR_##name),"1" ((long)(arg1)) \
291 : "g1", "o0"); \
292 if (__res >= 0) \
293 return (type) __res; \
294 errno = __res; \
295 return -1; \
296 }
297
298 #define _syscall2(type,name,type1,arg1,type2,arg2) \
299 type name(type1 arg1,type2 arg2) \
300 { \
301 long __res; \
302 __asm__ volatile ("or %%g0, %0, %%g1\n\t" \
303 "or %%g0, %1, %%o0\n\t" \
304 "or %%g0, %2, %%o1\n\t" \
305 "t 0x10\n\t" \
306 "or %%g0, %%o0, %0\n\t" \
307 : "=r" (__res), "=r" ((long)(arg1)), "=r" ((long)(arg2)) \
308 : "0" (__NR_##name),"1" ((long)(arg1)),"2" ((long)(arg2)) \
309 : "g1", "o0", "o1"); \
310 if (__res >= 0) \
311 return (type) __res; \
312 errno = __res; \
313 return -1; \
314 }
315
316 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
317 type name(type1 arg1,type2 arg2,type3 arg3) \
318 { \
319 long __res; \
320 __asm__ volatile ("or %%g0, %0, %%g1\n\t" \
321 "or %%g0, %1, %%o0\n\t" \
322 "or %%g0, %2, %%o1\n\t" \
323 "or %%g0, %3, %%o2\n\t" \
324 "t 0x10\n\t" \
325 "or %%g0, %%o0, %0\n\t" \
326 : "=r" (__res), "=r" ((long)(arg1)), "=r" ((long)(arg2)), \
327 "=r" ((long)(arg3)) \
328 : "0" (__NR_##name), "1" ((long)(arg1)), "2" ((long)(arg2)), \
329 "3" ((long)(arg3)) \
330 : "g1", "o0", "o1", "o2"); \
331 if (__res>=0) \
332 return (type) __res; \
333 errno = __res; \
334 return -1; \
335 }
336
337 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
338 type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
339 { \
340 long __res; \
341 __asm__ volatile ("or %%g0, %0, %%g1\n\t" \
342 "or %%g0, %1, %%o0\n\t" \
343 "or %%g0, %2, %%o1\n\t" \
344 "or %%g0, %3, %%o2\n\t" \
345 "or %%g0, %4, %%o3\n\t" \
346 "t 0x10\n\t" \
347 "or %%g0, %%o0, %0\n\t" \
348 : "=r" (__res), "=r" ((long)(arg1)), "=r" ((long)(arg2)), \
349 "=r" ((long)(arg3)), "=r" ((long)(arg4)) \
350 : "0" (__NR_##name),"1" ((long)(arg1)),"2" ((long)(arg2)), \
351 "3" ((long)(arg3)),"4" ((long)(arg4)) \
352 : "g1", "o0", "o1", "o2", "o3"); \
353 if (__res>=0) \
354 return (type) __res; \
355 errno = __res; \
356 return -1; \
357 }
358
359 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
360 type5,arg5) \
361 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
362 { \
363 long __res; \
364 __asm__ volatile ("or %%g0, %0, %%g1\n\t" \
365 "or %%g0, %1, %%o0\n\t" \
366 "or %%g0, %2, %%o1\n\t" \
367 "or %%g0, %3, %%o2\n\t" \
368 "or %%g0, %4, %%o3\n\t" \
369 "or %%g0, %5, %%o4\n\t" \
370 "t 0x10\n\t" \
371 "or %%g0, %%o0, %0\n\t" \
372 : "=r" (__res), "=r" ((long)(arg1)), "=r" ((long)(arg2)), \
373 "=r" ((long)(arg3)), "=r" ((long)(arg4)), "=r" ((long)(arg5)) \
374 : "0" (__NR_##name),"1" ((long)(arg1)),"2" ((long)(arg2)), \
375 "3" ((long)(arg3)),"4" ((long)(arg4)),"5" ((long)(arg5)) \
376 : "g1", "o0", "o1", "o2", "o3", "o4"); \
377 if (__res>=0) \
378 return (type) __res; \
379 errno = __res; \
380 return -1; \
381 }
382
383 #ifdef __KERNEL_SYSCALLS__
384
385 /*
386 * we need this inline - forking from kernel space will result
387 * in NO COPY ON WRITE (!!!), until an execve is executed. This
388 * is no problem, but for the stack. This is handled by not letting
389 * main() use the stack at all after fork(). Thus, no function
390 * calls - which means inline code for fork too, as otherwise we
391 * would use the stack upon exit from 'fork()'.
392 *
393 * Actually only pause and fork are needed inline, so that there
394 * won't be any messing with the stack from main(), but we define
395 * some others too.
396 */
397 #define __NR__exit __NR_exit
398 /* static inline _syscall0(int,idle) */
399 static inline _syscall0(int,fork)
/* ![[next]](../icons/right.png)
![[first]](../icons/n_first.png)
![[top]](../icons/top.png)
*/
400 static inline _syscall2(int,clone,unsigned long,flags,char *,ksp)
401 static inline _syscall0(int,pause)
402 /* static inline _syscall0(int,setup) */
403 static inline _syscall0(int,sync)
404 static inline _syscall0(pid_t,setsid)
405 static inline _syscall3(int,write,int,fd,const char *,buf,off_t,count)
406 static inline _syscall1(int,dup,int,fd)
407 static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp)
408 static inline _syscall3(int,open,const char *,file,int,flag,int,mode)
409 static inline _syscall1(int,close,int,fd)
410 static inline _syscall1(int,_exit,int,exitcode)
411 static inline _syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
412
413 extern void sys_idle(void);
414 static inline void idle(void)
415 {
416 sys_idle();
417 }
418
419 extern int sys_setup(void);
420 static inline int setup(void)
/* ![[previous]](../icons/left.png)
*/
421 {
422 return sys_setup();
423 }
424
425 extern int sys_waitpid(int, int *, int);
426 static inline pid_t wait(int * wait_stat)
/* */
427 {
428 long retval;
429 retval = waitpid(-1,wait_stat,0);
430 return retval;
431 }
432
433 /*
434 * This is the mechanism for creating a new kernel thread.
435 *
436 * NOTE! Only a kernel-only process(ie the swapper or direct descendants
437 * who haven't done an "execve()") should use this: it will work within
438 * a system call from a "real" process, but the process memory space will
439 * not be free'd until both the parent and the child have exited.
440 */
441 static inline pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
/* ![[last]](../icons/n_last.png)
*/
442 {
443 long retval;
444
445 __asm__ __volatile("mov %4, %%g2\n\t" /* Set aside fn ptr... */
446 "mov %5, %%g3\n\t" /* and arg. */
447 "mov %1, %%g1\n\t"
448 "mov %2, %%o0\n\t" /* Clone flags. */
449 "mov 0, %%o1\n\t" /* usp arg == 0 */
450 "t 0x10\n\t" /* Linux/Sparc clone(). */
451 "cmp %%o1, 0\n\t"
452 "be 1f\n\t" /* The parent, just return. */
453 " nop\n\t" /* Delay slot. */
454 "jmpl %%g2, %%o7\n\t" /* Call the function. */
455 " mov %%g3, %%o0\n\t" /* Get back the arg in delay. */
456 "mov %3, %%g1\n\t"
457 "t 0x10\n\t" /* Linux/Sparc exit(). */
458 /* Notreached by child. */
459 "1: mov %%o0, %0\n\t" :
460 "=r" (retval) :
461 "i" (__NR_clone), "r" (flags | CLONE_VM),
462 "i" (__NR_exit), "r" (fn), "r" (arg) :
463 "g1", "g2", "g3", "o0", "o1", "memory");
464 return retval;
465 }
466
467 #endif /* __KERNEL_SYSCALLS__ */
468
469 #endif /* _SPARC_UNISTD_H */
![[bottom]](../icons/n_bottom.png){kind=icon}
*/