PPC32: This changeset adds preemptible kernel support for ppc32
[opensuse:kernel.git] / include / asm-ppc / unistd.h
1 /*
2  * BK Id: %F% %I% %G% %U% %#%
3  */
4 #ifndef _ASM_PPC_UNISTD_H_
5 #define _ASM_PPC_UNISTD_H_
6
7 /*
8  * This file contains the system call numbers.
9  */
10
11 #define __NR_exit                 1
12 #define __NR_fork                 2
13 #define __NR_read                 3
14 #define __NR_write                4
15 #define __NR_open                 5
16 #define __NR_close                6
17 #define __NR_waitpid              7
18 #define __NR_creat                8
19 #define __NR_link                 9
20 #define __NR_unlink              10
21 #define __NR_execve              11
22 #define __NR_chdir               12
23 #define __NR_time                13
24 #define __NR_mknod               14
25 #define __NR_chmod               15
26 #define __NR_lchown              16
27 #define __NR_break               17
28 #define __NR_oldstat             18
29 #define __NR_lseek               19
30 #define __NR_getpid              20
31 #define __NR_mount               21
32 #define __NR_umount              22
33 #define __NR_setuid              23
34 #define __NR_getuid              24
35 #define __NR_stime               25
36 #define __NR_ptrace              26
37 #define __NR_alarm               27
38 #define __NR_oldfstat            28
39 #define __NR_pause               29
40 #define __NR_utime               30
41 #define __NR_stty                31
42 #define __NR_gtty                32
43 #define __NR_access              33
44 #define __NR_nice                34
45 #define __NR_ftime               35
46 #define __NR_sync                36
47 #define __NR_kill                37
48 #define __NR_rename              38
49 #define __NR_mkdir               39
50 #define __NR_rmdir               40
51 #define __NR_dup                 41
52 #define __NR_pipe                42
53 #define __NR_times               43
54 #define __NR_prof                44
55 #define __NR_brk                 45
56 #define __NR_setgid              46
57 #define __NR_getgid              47
58 #define __NR_signal              48
59 #define __NR_geteuid             49
60 #define __NR_getegid             50
61 #define __NR_acct                51
62 #define __NR_umount2             52
63 #define __NR_lock                53
64 #define __NR_ioctl               54
65 #define __NR_fcntl               55
66 #define __NR_mpx                 56
67 #define __NR_setpgid             57
68 #define __NR_ulimit              58
69 #define __NR_oldolduname         59
70 #define __NR_umask               60
71 #define __NR_chroot              61
72 #define __NR_ustat               62
73 #define __NR_dup2                63
74 #define __NR_getppid             64
75 #define __NR_getpgrp             65
76 #define __NR_setsid              66
77 #define __NR_sigaction           67
78 #define __NR_sgetmask            68
79 #define __NR_ssetmask            69
80 #define __NR_setreuid            70
81 #define __NR_setregid            71
82 #define __NR_sigsuspend          72
83 #define __NR_sigpending          73
84 #define __NR_sethostname         74
85 #define __NR_setrlimit           75
86 #define __NR_getrlimit           76
87 #define __NR_getrusage           77
88 #define __NR_gettimeofday        78
89 #define __NR_settimeofday        79
90 #define __NR_getgroups           80
91 #define __NR_setgroups           81
92 #define __NR_select              82
93 #define __NR_symlink             83
94 #define __NR_oldlstat            84
95 #define __NR_readlink            85
96 #define __NR_uselib              86
97 #define __NR_swapon              87
98 #define __NR_reboot              88
99 #define __NR_readdir             89
100 #define __NR_mmap                90
101 #define __NR_munmap              91
102 #define __NR_truncate            92
103 #define __NR_ftruncate           93
104 #define __NR_fchmod              94
105 #define __NR_fchown              95
106 #define __NR_getpriority         96
107 #define __NR_setpriority         97
108 #define __NR_profil              98
109 #define __NR_statfs              99
110 #define __NR_fstatfs            100
111 #define __NR_ioperm             101
112 #define __NR_socketcall         102
113 #define __NR_syslog             103
114 #define __NR_setitimer          104
115 #define __NR_getitimer          105
116 #define __NR_stat               106
117 #define __NR_lstat              107
118 #define __NR_fstat              108
119 #define __NR_olduname           109
120 #define __NR_iopl               110
121 #define __NR_vhangup            111
122 #define __NR_idle               112
123 #define __NR_vm86               113
124 #define __NR_wait4              114
125 #define __NR_swapoff            115
126 #define __NR_sysinfo            116
127 #define __NR_ipc                117
128 #define __NR_fsync              118
129 #define __NR_sigreturn          119
130 #define __NR_clone              120
131 #define __NR_setdomainname      121
132 #define __NR_uname              122
133 #define __NR_modify_ldt         123
134 #define __NR_adjtimex           124
135 #define __NR_mprotect           125
136 #define __NR_sigprocmask        126
137 #define __NR_create_module      127
138 #define __NR_init_module        128
139 #define __NR_delete_module      129
140 #define __NR_get_kernel_syms    130
141 #define __NR_quotactl           131
142 #define __NR_getpgid            132
143 #define __NR_fchdir             133
144 #define __NR_bdflush            134
145 #define __NR_sysfs              135
146 #define __NR_personality        136
147 #define __NR_afs_syscall        137 /* Syscall for Andrew File System */
148 #define __NR_setfsuid           138
149 #define __NR_setfsgid           139
150 #define __NR__llseek            140
151 #define __NR_getdents           141
152 #define __NR__newselect         142
153 #define __NR_flock              143
154 #define __NR_msync              144
155 #define __NR_readv              145
156 #define __NR_writev             146
157 #define __NR_getsid             147
158 #define __NR_fdatasync          148
159 #define __NR__sysctl            149
160 #define __NR_mlock              150
161 #define __NR_munlock            151
162 #define __NR_mlockall           152
163 #define __NR_munlockall         153
164 #define __NR_sched_setparam             154
165 #define __NR_sched_getparam             155
166 #define __NR_sched_setscheduler         156
167 #define __NR_sched_getscheduler         157
168 #define __NR_sched_yield                158
169 #define __NR_sched_get_priority_max     159
170 #define __NR_sched_get_priority_min     160
171 #define __NR_sched_rr_get_interval      161
172 #define __NR_nanosleep          162
173 #define __NR_mremap             163
174 #define __NR_setresuid          164
175 #define __NR_getresuid          165
176 #define __NR_query_module       166
177 #define __NR_poll               167
178 #define __NR_nfsservctl         168
179 #define __NR_setresgid          169
180 #define __NR_getresgid          170
181 #define __NR_prctl              171
182 #define __NR_rt_sigreturn       172
183 #define __NR_rt_sigaction       173
184 #define __NR_rt_sigprocmask     174
185 #define __NR_rt_sigpending      175
186 #define __NR_rt_sigtimedwait    176
187 #define __NR_rt_sigqueueinfo    177
188 #define __NR_rt_sigsuspend      178
189 #define __NR_pread              179
190 #define __NR_pwrite             180
191 #define __NR_chown              181
192 #define __NR_getcwd             182
193 #define __NR_capget             183
194 #define __NR_capset             184
195 #define __NR_sigaltstack        185
196 #define __NR_sendfile           186
197 #define __NR_getpmsg            187     /* some people actually want streams */
198 #define __NR_putpmsg            188     /* some people actually want streams */
199 #define __NR_vfork              189
200 #define __NR_ugetrlimit         190     /* SuS compliant getrlimit */
201 #define __NR_readahead          191
202 #define __NR_mmap2              192
203 #define __NR_truncate64         193
204 #define __NR_ftruncate64        194
205 #define __NR_stat64             195
206 #define __NR_lstat64            196
207 #define __NR_fstat64            197
208 #define __NR_pciconfig_read     198
209 #define __NR_pciconfig_write    199
210 #define __NR_pciconfig_iobase   200
211 #define __NR_multiplexer        201
212 #define __NR_getdents64         202
213 #define __NR_pivot_root         203
214 #define __NR_fcntl64            204
215 #define __NR_madvise            205
216 #define __NR_mincore            206
217 #define __NR_gettid             207
218 #define __NR_tkill              208
219 #define __NR_setxattr           209
220 #define __NR_lsetxattr          210
221 #define __NR_fsetxattr          211
222 #define __NR_getxattr           212
223 #define __NR_lgetxattr          213
224 #define __NR_fgetxattr          214
225 #define __NR_listxattr          215
226 #define __NR_llistxattr         216
227 #define __NR_flistxattr         217
228 #define __NR_removexattr        218
229 #define __NR_lremovexattr       219
230 #define __NR_fremovexattr       220
231 #define __NR_futex              221
232 #define __NR_sched_setaffinity  222
233 #define __NR_sched_getaffinity  223
234
235 #define __NR(n) #n
236
237 #define __syscall_return(type) \
238         return (__sc_err & 0x10000000 ? errno = __sc_ret, __sc_ret = -1 : 0), \
239                (type) __sc_ret
240
241 #define __syscall_clobbers \
242         "r4", "r5", "r6", "r7", "r8", "r9", "r10", "r11", "r12"
243
244 #define _syscall0(type,name)                                            \
245 type name(void)                                                         \
246 {                                                                       \
247         unsigned long __sc_ret, __sc_err;                               \
248         {                                                               \
249                 register unsigned long __sc_0 __asm__ ("r0");           \
250                 register unsigned long __sc_3 __asm__ ("r3");           \
251                                                                         \
252                 __sc_0 = __NR_##name;                                   \
253                 __asm__ __volatile__                                    \
254                         ("sc           \n\t"                            \
255                          "mfcr %1      "                                \
256                         : "=&r" (__sc_3), "=&r" (__sc_0)                \
257                         : "0"   (__sc_3), "1"   (__sc_0)                \
258                         : __syscall_clobbers);                          \
259                 __sc_ret = __sc_3;                                      \
260                 __sc_err = __sc_0;                                      \
261         }                                                               \
262         __syscall_return (type);                                        \
263 }
264
265 #define _syscall1(type,name,type1,arg1)                                 \
266 type name(type1 arg1)                                                   \
267 {                                                                       \
268         unsigned long __sc_ret, __sc_err;                               \
269         {                                                               \
270                 register unsigned long __sc_0 __asm__ ("r0");           \
271                 register unsigned long __sc_3 __asm__ ("r3");           \
272                                                                         \
273                 __sc_3 = (unsigned long) (arg1);                        \
274                 __sc_0 = __NR_##name;                                   \
275                 __asm__ __volatile__                                    \
276                         ("sc           \n\t"                            \
277                          "mfcr %1      "                                \
278                         : "=&r" (__sc_3), "=&r" (__sc_0)                \
279                         : "0"   (__sc_3), "1"   (__sc_0)                \
280                         : __syscall_clobbers);                          \
281                 __sc_ret = __sc_3;                                      \
282                 __sc_err = __sc_0;                                      \
283         }                                                               \
284         __syscall_return (type);                                        \
285 }
286
287 #define _syscall2(type,name,type1,arg1,type2,arg2)                      \
288 type name(type1 arg1, type2 arg2)                                       \
289 {                                                                       \
290         unsigned long __sc_ret, __sc_err;                               \
291         {                                                               \
292                 register unsigned long __sc_0 __asm__ ("r0");           \
293                 register unsigned long __sc_3 __asm__ ("r3");           \
294                 register unsigned long __sc_4 __asm__ ("r4");           \
295                                                                         \
296                 __sc_3 = (unsigned long) (arg1);                        \
297                 __sc_4 = (unsigned long) (arg2);                        \
298                 __sc_0 = __NR_##name;                                   \
299                 __asm__ __volatile__                                    \
300                         ("sc           \n\t"                            \
301                          "mfcr %1      "                                \
302                         : "=&r" (__sc_3), "=&r" (__sc_0)                \
303                         : "0"   (__sc_3), "1"   (__sc_0),               \
304                           "r"   (__sc_4)                                \
305                         : __syscall_clobbers);                          \
306                 __sc_ret = __sc_3;                                      \
307                 __sc_err = __sc_0;                                      \
308         }                                                               \
309         __syscall_return (type);                                        \
310 }
311
312 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)           \
313 type name(type1 arg1, type2 arg2, type3 arg3)                           \
314 {                                                                       \
315         unsigned long __sc_ret, __sc_err;                               \
316         {                                                               \
317                 register unsigned long __sc_0 __asm__ ("r0");           \
318                 register unsigned long __sc_3 __asm__ ("r3");           \
319                 register unsigned long __sc_4 __asm__ ("r4");           \
320                 register unsigned long __sc_5 __asm__ ("r5");           \
321                                                                         \
322                 __sc_3 = (unsigned long) (arg1);                        \
323                 __sc_4 = (unsigned long) (arg2);                        \
324                 __sc_5 = (unsigned long) (arg3);                        \
325                 __sc_0 = __NR_##name;                                   \
326                 __asm__ __volatile__                                    \
327                         ("sc           \n\t"                            \
328                          "mfcr %1      "                                \
329                         : "=&r" (__sc_3), "=&r" (__sc_0)                \
330                         : "0"   (__sc_3), "1"   (__sc_0),               \
331                           "r"   (__sc_4),                               \
332                           "r"   (__sc_5)                                \
333                         : __syscall_clobbers);                          \
334                 __sc_ret = __sc_3;                                      \
335                 __sc_err = __sc_0;                                      \
336         }                                                               \
337         __syscall_return (type);                                        \
338 }
339
340 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
341 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4)               \
342 {                                                                       \
343         unsigned long __sc_ret, __sc_err;                               \
344         {                                                               \
345                 register unsigned long __sc_0 __asm__ ("r0");           \
346                 register unsigned long __sc_3 __asm__ ("r3");           \
347                 register unsigned long __sc_4 __asm__ ("r4");           \
348                 register unsigned long __sc_5 __asm__ ("r5");           \
349                 register unsigned long __sc_6 __asm__ ("r6");           \
350                                                                         \
351                 __sc_3 = (unsigned long) (arg1);                        \
352                 __sc_4 = (unsigned long) (arg2);                        \
353                 __sc_5 = (unsigned long) (arg3);                        \
354                 __sc_6 = (unsigned long) (arg4);                        \
355                 __sc_0 = __NR_##name;                                   \
356                 __asm__ __volatile__                                    \
357                         ("sc           \n\t"                            \
358                          "mfcr %1      "                                \
359                         : "=&r" (__sc_3), "=&r" (__sc_0)                \
360                         : "0"   (__sc_3), "1"   (__sc_0),               \
361                           "r"   (__sc_4),                               \
362                           "r"   (__sc_5),                               \
363                           "r"   (__sc_6)                                \
364                         : __syscall_clobbers);                          \
365                 __sc_ret = __sc_3;                                      \
366                 __sc_err = __sc_0;                                      \
367         }                                                               \
368         __syscall_return (type);                                        \
369 }
370
371 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \
372 type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5)   \
373 {                                                                       \
374         unsigned long __sc_ret, __sc_err;                               \
375         {                                                               \
376                 register unsigned long __sc_0 __asm__ ("r0");           \
377                 register unsigned long __sc_3 __asm__ ("r3");           \
378                 register unsigned long __sc_4 __asm__ ("r4");           \
379                 register unsigned long __sc_5 __asm__ ("r5");           \
380                 register unsigned long __sc_6 __asm__ ("r6");           \
381                 register unsigned long __sc_7 __asm__ ("r7");           \
382                                                                         \
383                 __sc_3 = (unsigned long) (arg1);                        \
384                 __sc_4 = (unsigned long) (arg2);                        \
385                 __sc_5 = (unsigned long) (arg3);                        \
386                 __sc_6 = (unsigned long) (arg4);                        \
387                 __sc_7 = (unsigned long) (arg5);                        \
388                 __sc_0 = __NR_##name;                                   \
389                 __asm__ __volatile__                                    \
390                         ("sc           \n\t"                            \
391                          "mfcr %1      "                                \
392                         : "=&r" (__sc_3), "=&r" (__sc_0)                \
393                         : "0"   (__sc_3), "1"   (__sc_0),               \
394                           "r"   (__sc_4),                               \
395                           "r"   (__sc_5),                               \
396                           "r"   (__sc_6),                               \
397                           "r"   (__sc_7)                                \
398                         : __syscall_clobbers);                          \
399                 __sc_ret = __sc_3;                                      \
400                 __sc_err = __sc_0;                                      \
401         }                                                               \
402         __syscall_return (type);                                        \
403 }
404
405 #ifdef __KERNEL__
406
407 #define __NR__exit __NR_exit
408
409 /*
410  * Forking from kernel space will result in the child getting a new,
411  * empty kernel stack area.  Thus the child cannot access automatic
412  * variables set in the parent unless they are in registers, and the
413  * procedure where the fork was done cannot return to its caller in
414  * the child.
415  */
416
417 #ifdef __KERNEL_SYSCALLS__
418 /*
419  * System call prototypes.
420  */
421 extern pid_t setsid(void);
422 extern int write(int fd, const char *buf, off_t count);
423 extern int read(int fd, char *buf, off_t count);
424 extern off_t lseek(int fd, off_t offset, int count);
425 extern int dup(int fd);
426 extern int execve(const char *file, char **argv, char **envp);
427 extern int open(const char *file, int flag, int mode);
428 extern int close(int fd);
429 extern pid_t waitpid(pid_t pid, int *wait_stat, int options);
430
431 static inline pid_t wait(int * wait_stat) 
432 {
433         return waitpid(-1, wait_stat, 0);
434 }
435 #endif /* __KERNEL_SYSCALLS__ */
436
437 /*
438  * "Conditional" syscalls
439  *
440  * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
441  * but it doesn't work on all toolchains, so we just do it by hand
442  */
443 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");
444
445 #endif /* __KERNEL__ */
446
447 #endif /* _ASM_PPC_UNISTD_H_ */