2 * sysirix.c: IRIX system call emulation.
4 * Copyright (C) 1996 David S. Miller
5 * Copyright (C) 1997 Miguel de Icaza
6 * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle
8 #include <linux/kernel.h>
9 #include <linux/sched.h>
10 #include <linux/binfmts.h>
11 #include <linux/highuid.h>
12 #include <linux/pagemap.h>
14 #include <linux/mman.h>
15 #include <linux/slab.h>
16 #include <linux/swap.h>
17 #include <linux/errno.h>
18 #include <linux/time.h>
19 #include <linux/timex.h>
20 #include <linux/times.h>
21 #include <linux/elf.h>
22 #include <linux/msg.h>
23 #include <linux/shm.h>
24 #include <linux/smp.h>
25 #include <linux/smp_lock.h>
26 #include <linux/utsname.h>
27 #include <linux/file.h>
28 #include <linux/vfs.h>
29 #include <linux/namei.h>
30 #include <linux/socket.h>
31 #include <linux/security.h>
32 #include <linux/syscalls.h>
33 #include <linux/vs_cvirt.h>
35 #include <asm/ptrace.h>
37 #include <asm/uaccess.h>
38 #include <asm/inventory.h>
40 /* 2,191 lines of complete and utter shit coming up... */
42 extern int max_threads;
44 /* The sysmp commands supported thus far. */
45 #define MP_NPROCS 1 /* # processor in complex */
46 #define MP_NAPROCS 2 /* # active processors in complex */
47 #define MP_PGSIZE 14 /* Return system page size in v1. */
49 asmlinkage int irix_sysmp(struct pt_regs *regs)
55 if(regs->regs[2] == 1000)
57 cmd = regs->regs[base + 4];
64 error = num_online_cpus();
67 printk("SYSMP[%s:%d]: Unsupported opcode %d\n",
68 current->comm, current->pid, (int)cmd);
76 /* The prctl commands. */
77 #define PR_MAXPROCS 1 /* Tasks/user. */
78 #define PR_ISBLOCKED 2 /* If blocked, return 1. */
79 #define PR_SETSTACKSIZE 3 /* Set largest task stack size. */
80 #define PR_GETSTACKSIZE 4 /* Get largest task stack size. */
81 #define PR_MAXPPROCS 5 /* Num parallel tasks. */
82 #define PR_UNBLKONEXEC 6 /* When task exec/exit's, unblock. */
83 #define PR_SETEXITSIG 8 /* When task exit's, set signal. */
84 #define PR_RESIDENT 9 /* Make task unswappable. */
85 #define PR_ATTACHADDR 10 /* (Re-)Connect a vma to a task. */
86 #define PR_DETACHADDR 11 /* Disconnect a vma from a task. */
87 #define PR_TERMCHILD 12 /* When parent sleeps with fishes, kill child. */
88 #define PR_GETSHMASK 13 /* Get the sproc() share mask. */
89 #define PR_GETNSHARE 14 /* Number of share group members. */
90 #define PR_COREPID 15 /* Add task pid to name when it core. */
91 #define PR_ATTACHADDRPERM 16 /* (Re-)Connect vma, with specified prot. */
92 #define PR_PTHREADEXIT 17 /* Kill a pthread without prejudice. */
94 asmlinkage int irix_prctl(struct pt_regs *regs)
97 int error = 0, base = 0;
99 if (regs->regs[2] == 1000)
101 cmd = regs->regs[base + 4];
104 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
105 current->comm, current->pid);
110 struct task_struct *task;
112 printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n",
113 current->comm, current->pid);
114 read_lock(&tasklist_lock);
115 task = find_task_by_pid(regs->regs[base + 5]);
118 error = (task->run_list.next != NULL);
119 read_unlock(&tasklist_lock);
120 /* Can _your_ OS find this out that fast? */
124 case PR_SETSTACKSIZE: {
125 long value = regs->regs[base + 5];
127 printk("irix_prctl[%s:%d]: Wants PR_SETSTACKSIZE<%08lx>\n",
128 current->comm, current->pid, (unsigned long) value);
129 if (value > RLIM_INFINITY)
130 value = RLIM_INFINITY;
131 if (capable(CAP_SYS_ADMIN)) {
132 task_lock(current->group_leader);
133 current->signal->rlim[RLIMIT_STACK].rlim_max =
134 current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
135 task_unlock(current->group_leader);
139 task_lock(current->group_leader);
140 if (value > current->signal->rlim[RLIMIT_STACK].rlim_max) {
142 task_unlock(current->group_leader);
145 current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
146 task_unlock(current->group_leader);
151 case PR_GETSTACKSIZE:
152 printk("irix_prctl[%s:%d]: Wants PR_GETSTACKSIZE\n",
153 current->comm, current->pid);
154 error = current->signal->rlim[RLIMIT_STACK].rlim_cur;
158 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
159 current->comm, current->pid);
164 printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n",
165 current->comm, current->pid);
170 printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n",
171 current->comm, current->pid);
173 /* We can probably play some game where we set the task
174 * exit_code to some non-zero value when this is requested,
175 * and check whether exit_code is already set in do_exit().
181 printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n",
182 current->comm, current->pid);
183 error = 0; /* Compatibility indeed. */
187 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n",
188 current->comm, current->pid);
193 printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n",
194 current->comm, current->pid);
199 printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n",
200 current->comm, current->pid);
205 printk("irix_prctl[%s:%d]: Wants PR_GETSHMASK\n",
206 current->comm, current->pid);
207 error = -EINVAL; /* Until I have the sproc() stuff in. */
211 error = 0; /* Until I have the sproc() stuff in. */
215 printk("irix_prctl[%s:%d]: Wants PR_COREPID\n",
216 current->comm, current->pid);
220 case PR_ATTACHADDRPERM:
221 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n",
222 current->comm, current->pid);
227 printk("irix_prctl[%s:%d]: Wants PR_PTHREADEXIT\n",
228 current->comm, current->pid);
229 do_exit(regs->regs[base + 5]);
232 printk("irix_prctl[%s:%d]: Non-existant opcode %d\n",
233 current->comm, current->pid, (int)cmd);
241 #undef DEBUG_PROCGRPS
243 extern unsigned long irix_mapelf(int fd, struct elf_phdr *user_phdrp, int cnt);
244 extern int getrusage(struct task_struct *p, int who, struct rusage __user *ru);
245 extern char *prom_getenv(char *name);
246 extern long prom_setenv(char *name, char *value);
248 /* The syssgi commands supported thus far. */
249 #define SGI_SYSID 1 /* Return unique per-machine identifier. */
250 #define SGI_INVENT 5 /* Fetch inventory */
251 # define SGI_INV_SIZEOF 1
252 # define SGI_INV_READ 2
253 #define SGI_RDNAME 6 /* Return string name of a process. */
254 #define SGI_SETNVRAM 8 /* Set PROM variable. */
255 #define SGI_GETNVRAM 9 /* Get PROM variable. */
256 #define SGI_SETPGID 21 /* Set process group id. */
257 #define SGI_SYSCONF 22 /* POSIX sysconf garbage. */
258 #define SGI_PATHCONF 24 /* POSIX sysconf garbage. */
259 #define SGI_SETGROUPS 40 /* POSIX sysconf garbage. */
260 #define SGI_GETGROUPS 41 /* POSIX sysconf garbage. */
261 #define SGI_RUSAGE 56 /* BSD style rusage(). */
262 #define SGI_SSYNC 62 /* Synchronous fs sync. */
263 #define SGI_GETSID 65 /* SysVr4 get session id. */
264 #define SGI_ELFMAP 68 /* Map an elf image. */
265 #define SGI_TOSSTSAVE 108 /* Toss saved vma's. */
266 #define SGI_FP_BCOPY 129 /* Should FPU bcopy be used on this machine? */
267 #define SGI_PHYSP 1011 /* Translate virtual into physical page. */
269 asmlinkage int irix_syssgi(struct pt_regs *regs)
272 int retval, base = 0;
274 if (regs->regs[2] == 1000)
277 cmd = regs->regs[base + 4];
280 char *buf = (char *) regs->regs[base + 5];
282 /* XXX Use ethernet addr.... */
283 retval = clear_user(buf, 64);
288 int pid = (int) regs->regs[base + 5];
289 char *buf = (char *) regs->regs[base + 6];
290 struct task_struct *p;
291 char tcomm[sizeof(current->comm)];
293 retval = verify_area(VERIFY_WRITE, buf, sizeof(tcomm));
296 read_lock(&tasklist_lock);
297 p = find_task_by_pid(pid);
299 read_unlock(&tasklist_lock);
303 get_task_comm(tcomm, p);
304 read_unlock(&tasklist_lock);
306 /* XXX Need to check sizes. */
307 copy_to_user(buf, tcomm, sizeof(tcomm));
313 char *name = (char *) regs->regs[base+5];
314 char *buf = (char *) regs->regs[base+6];
316 return -EINVAL; /* til I fix it */
317 retval = verify_area(VERIFY_WRITE, buf, 128);
320 value = prom_getenv(name); /* PROM lock? */
325 /* Do I strlen() for the length? */
326 copy_to_user(buf, value, 128);
332 char *name = (char *) regs->regs[base+5];
333 char *value = (char *) regs->regs[base+6];
334 return -EINVAL; /* til I fix it */
335 retval = prom_setenv(name, value);
336 /* XXX make sure retval conforms to syssgi(2) */
337 printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d",
338 current->comm, current->pid, name, value, retval);
339 /* if (retval == PROM_ENOENT)
346 #ifdef DEBUG_PROCGRPS
347 printk("[%s:%d] setpgid(%d, %d) ",
348 current->comm, current->pid,
349 (int) regs->regs[base + 5], (int)regs->regs[base + 6]);
351 retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]);
353 #ifdef DEBUG_PROCGRPS
354 printk("retval=%d\n", retval);
359 switch(regs->regs[base + 5]) {
361 retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */
364 retval = max_threads;
370 retval = NGROUPS_MAX;
408 retval = sys_setgroups((int) regs->regs[base + 5],
409 (gid_t *) regs->regs[base + 6]);
413 retval = sys_getgroups((int) regs->regs[base + 5],
414 (gid_t *) regs->regs[base + 6]);
418 struct rusage *ru = (struct rusage *) regs->regs[base + 6];
420 switch((int) regs->regs[base + 5]) {
423 retval = getrusage(current, RUSAGE_SELF, ru);
427 /* rusage children */
428 retval = getrusage(current, RUSAGE_CHILDREN, ru);
443 #ifdef DEBUG_PROCGRPS
444 printk("[%s:%d] getsid(%d) ", current->comm, current->pid,
445 (int) regs->regs[base + 5]);
447 retval = sys_getsid(regs->regs[base + 5]);
448 #ifdef DEBUG_PROCGRPS
449 printk("retval=%d\n", retval);
454 retval = irix_mapelf((int) regs->regs[base + 5],
455 (struct elf_phdr *) regs->regs[base + 6],
456 (int) regs->regs[base + 7]);
460 /* XXX We don't need to do anything? */
469 unsigned long addr = regs->regs[base + 5];
470 int *pageno = (int *) (regs->regs[base + 6]);
471 struct mm_struct *mm = current->mm;
476 retval = verify_area(VERIFY_WRITE, pageno, sizeof(int));
480 down_read(&mm->mmap_sem);
481 pgdp = pgd_offset(mm, addr);
482 pmdp = pmd_offset(pgdp, addr);
483 ptep = pte_offset(pmdp, addr);
488 if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
489 retval = put_user((pte_val(pte) & PAGE_MASK) >>
493 up_read(&mm->mmap_sem);
498 int arg1 = (int) regs->regs [base + 5];
499 void *buffer = (void *) regs->regs [base + 6];
500 int count = (int) regs->regs [base + 7];
504 retval = sizeof (inventory_t);
507 retval = dump_inventory_to_user (buffer, count);
516 printk("irix_syssgi: Unsupported command %d\n", (int)cmd);
525 asmlinkage int irix_gtime(struct pt_regs *regs)
527 return get_seconds();
531 * IRIX is completely broken... it returns 0 on success, otherwise
534 asmlinkage int irix_brk(unsigned long brk)
537 unsigned long newbrk, oldbrk;
538 struct mm_struct *mm = current->mm;
541 down_write(&mm->mmap_sem);
542 if (brk < mm->end_code) {
547 newbrk = PAGE_ALIGN(brk);
548 oldbrk = PAGE_ALIGN(mm->brk);
549 if (oldbrk == newbrk) {
556 * Always allow shrinking brk
558 if (brk <= mm->brk) {
560 do_munmap(mm, newbrk, oldbrk-newbrk);
565 * Check against rlimit and stack..
567 rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
568 if (rlim >= RLIM_INFINITY)
570 if (brk - mm->end_code > rlim) {
576 * Check against existing mmap mappings.
578 if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) {
584 * Check if we have enough memory..
586 if (security_vm_enough_memory((newbrk-oldbrk) >> PAGE_SHIFT) ||
587 !vx_vmpages_avail(mm, (newbrk-oldbrk) >> PAGE_SHIFT)) {
593 * Ok, looks good - let it rip.
596 do_brk(oldbrk, newbrk-oldbrk);
600 up_write(&mm->mmap_sem);
604 asmlinkage int irix_getpid(struct pt_regs *regs)
606 regs->regs[3] = current->real_parent->pid;
610 asmlinkage int irix_getuid(struct pt_regs *regs)
612 regs->regs[3] = current->euid;
616 asmlinkage int irix_getgid(struct pt_regs *regs)
618 regs->regs[3] = current->egid;
622 asmlinkage int irix_stime(int value)
629 err = security_settime(&tv, NULL);
633 write_seqlock_irq(&xtime_lock);
634 xtime.tv_sec = value;
636 time_adjust = 0; /* stop active adjtime() */
637 time_status |= STA_UNSYNC;
638 time_maxerror = NTP_PHASE_LIMIT;
639 time_esterror = NTP_PHASE_LIMIT;
640 write_sequnlock_irq(&xtime_lock);
645 static inline void jiffiestotv(unsigned long jiffies, struct timeval *value)
647 value->tv_usec = (jiffies % HZ) * (1000000 / HZ);
648 value->tv_sec = jiffies / HZ;
651 static inline void getitimer_real(struct itimerval *value)
653 register unsigned long val, interval;
655 interval = current->it_real_incr;
657 if (del_timer(¤t->real_timer)) {
658 unsigned long now = jiffies;
659 val = current->real_timer.expires;
660 add_timer(¤t->real_timer);
661 /* look out for negative/zero itimer.. */
666 jiffiestotv(val, &value->it_value);
667 jiffiestotv(interval, &value->it_interval);
670 asmlinkage unsigned int irix_alarm(unsigned int seconds)
672 struct itimerval it_new, it_old;
673 unsigned int oldalarm;
676 getitimer_real(&it_old);
677 del_timer(¤t->real_timer);
679 it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0;
680 it_new.it_value.tv_sec = seconds;
681 it_new.it_value.tv_usec = 0;
682 do_setitimer(ITIMER_REAL, &it_new, &it_old);
684 oldalarm = it_old.it_value.tv_sec;
686 * ehhh.. We can't return 0 if we have an alarm pending ...
687 * And we'd better return too much than too little anyway
689 if (it_old.it_value.tv_usec)
695 asmlinkage int irix_pause(void)
697 current->state = TASK_INTERRUPTIBLE;
703 /* XXX need more than this... */
704 asmlinkage int irix_mount(char *dev_name, char *dir_name, unsigned long flags,
705 char *type, void *data, int datalen)
707 printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
708 current->comm, current->pid,
709 dev_name, dir_name, flags, type, data, datalen);
711 return sys_mount(dev_name, dir_name, type, flags, data);
716 long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree;
717 char f_fname[6], f_fpack[6];
720 asmlinkage int irix_statfs(const char *path, struct irix_statfs *buf,
721 int len, int fs_type)
727 /* We don't support this feature yet. */
732 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statfs));
735 error = user_path_walk(path, &nd);
739 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
743 __put_user(kbuf.f_type, &buf->f_type);
744 __put_user(kbuf.f_bsize, &buf->f_bsize);
745 __put_user(kbuf.f_frsize, &buf->f_frsize);
746 __put_user(kbuf.f_blocks, &buf->f_blocks);
747 __put_user(kbuf.f_bfree, &buf->f_bfree);
748 __put_user(kbuf.f_files, &buf->f_files);
749 __put_user(kbuf.f_ffree, &buf->f_ffree);
750 for (i = 0; i < 6; i++) {
751 __put_user(0, &buf->f_fname[i]);
752 __put_user(0, &buf->f_fpack[i]);
762 asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs *buf)
768 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statfs));
771 if (!(file = fget(fd))) {
776 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
780 __put_user(kbuf.f_type, &buf->f_type);
781 __put_user(kbuf.f_bsize, &buf->f_bsize);
782 __put_user(kbuf.f_frsize, &buf->f_frsize);
783 __put_user(kbuf.f_blocks, &buf->f_blocks);
784 __put_user(kbuf.f_bfree, &buf->f_bfree);
785 __put_user(kbuf.f_files, &buf->f_files);
786 __put_user(kbuf.f_ffree, &buf->f_ffree);
787 for(i = 0; i < 6; i++) {
788 __put_user(0, &buf->f_fname[i]);
789 __put_user(0, &buf->f_fpack[i]);
798 asmlinkage int irix_setpgrp(int flags)
802 #ifdef DEBUG_PROCGRPS
803 printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags);
806 error = process_group(current);
808 error = sys_setsid();
809 #ifdef DEBUG_PROCGRPS
810 printk("returning %d\n", process_group(current));
816 asmlinkage int irix_times(struct tms * tbuf)
821 err = verify_area(VERIFY_WRITE,tbuf,sizeof *tbuf);
824 err |= __put_user(current->utime, &tbuf->tms_utime);
825 err |= __put_user(current->stime, &tbuf->tms_stime);
826 err |= __put_user(current->signal->cutime, &tbuf->tms_cutime);
827 err |= __put_user(current->signal->cstime, &tbuf->tms_cstime);
833 asmlinkage int irix_exec(struct pt_regs *regs)
838 if(regs->regs[2] == 1000)
840 filename = getname((char *) (long)regs->regs[base + 4]);
841 error = PTR_ERR(filename);
842 if (IS_ERR(filename))
845 error = do_execve(filename, (char **) (long)regs->regs[base + 5],
852 asmlinkage int irix_exece(struct pt_regs *regs)
857 if (regs->regs[2] == 1000)
859 filename = getname((char *) (long)regs->regs[base + 4]);
860 error = PTR_ERR(filename);
861 if (IS_ERR(filename))
863 error = do_execve(filename, (char **) (long)regs->regs[base + 5],
864 (char **) (long)regs->regs[base + 6], regs);
870 asmlinkage unsigned long irix_gethostid(void)
872 printk("[%s:%d]: irix_gethostid() called...\n",
873 current->comm, current->pid);
878 asmlinkage unsigned long irix_sethostid(unsigned long val)
880 printk("[%s:%d]: irix_sethostid(%08lx) called...\n",
881 current->comm, current->pid, val);
886 asmlinkage int irix_socket(int family, int type, int protocol)
898 type = 9; /* Invalid... */
910 type = SOCK_SEQPACKET;
917 return sys_socket(family, type, protocol);
920 asmlinkage int irix_getdomainname(char *name, int len)
924 error = verify_area(VERIFY_WRITE, name, len);
929 if (len > __NEW_UTS_LEN)
932 if (copy_to_user(name, system_utsname.domainname, len))
939 asmlinkage unsigned long irix_getpagesize(void)
944 asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
945 unsigned long arg2, unsigned long arg3,
950 return sys_msgget((key_t) arg0, (int) arg1);
952 return sys_msgctl((int) arg0, (int) arg1, (struct msqid_ds *)arg2);
954 return sys_msgrcv((int) arg0, (struct msgbuf *) arg1,
955 (size_t) arg2, (long) arg3, (int) arg4);
957 return sys_msgsnd((int) arg0, (struct msgbuf *) arg1,
958 (size_t) arg2, (int) arg3);
964 asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
965 unsigned long arg2, unsigned long arg3)
969 return do_shmat((int) arg0, (char *)arg1, (int) arg2,
970 (unsigned long *) arg3);
972 return sys_shmctl((int)arg0, (int)arg1, (struct shmid_ds *)arg2);
974 return sys_shmdt((char *)arg0);
976 return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
982 asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
983 unsigned long arg2, int arg3)
987 return sys_semctl((int) arg0, (int) arg1, (int) arg2,
990 return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
992 return sys_semop((int) arg0, (struct sembuf *)arg1,
993 (unsigned int) arg2);
999 static inline loff_t llseek(struct file *file, loff_t offset, int origin)
1001 loff_t (*fn)(struct file *, loff_t, int);
1004 fn = default_llseek;
1005 if (file->f_op && file->f_op->llseek)
1006 fn = file->f_op->llseek;
1008 retval = fn(file, offset, origin);
1013 asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
1028 offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin);
1029 retval = (int) offset;
1037 asmlinkage int irix_sginap(int ticks)
1039 current->state = TASK_INTERRUPTIBLE;
1040 schedule_timeout(ticks);
1044 asmlinkage int irix_sgikopt(char *istring, char *ostring, int len)
1049 asmlinkage int irix_gettimeofday(struct timeval *tv)
1055 if (verify_area(VERIFY_WRITE, tv, sizeof(struct timeval)))
1059 seq = read_seqbegin(&xtime_lock);
1061 nsec = xtime.tv_nsec;
1062 } while (read_seqretry(&xtime_lock, seq));
1064 err = __put_user(sec, &tv->tv_sec);
1065 err |= __put_user((nsec / 1000), &tv->tv_usec);
1070 #define IRIX_MAP_AUTOGROW 0x40
1072 asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
1073 int flags, int fd, off_t offset)
1075 struct file *file = NULL;
1076 unsigned long retval;
1078 if (!(flags & MAP_ANONYMOUS)) {
1079 if (!(file = fget(fd)))
1082 /* Ok, bad taste hack follows, try to think in something else
1083 * when reading this. */
1084 if (flags & IRIX_MAP_AUTOGROW) {
1085 unsigned long old_pos;
1086 long max_size = offset + len;
1088 if (max_size > file->f_dentry->d_inode->i_size) {
1089 old_pos = sys_lseek (fd, max_size - 1, 0);
1090 sys_write (fd, "", 1);
1091 sys_lseek (fd, old_pos, 0);
1096 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1098 down_write(¤t->mm->mmap_sem);
1099 retval = do_mmap(file, addr, len, prot, flags, offset);
1100 up_write(¤t->mm->mmap_sem);
1107 asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
1109 printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n",
1110 current->comm, current->pid, addr, len, behavior);
1115 asmlinkage int irix_pagelock(char *addr, int len, int op)
1117 printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
1118 current->comm, current->pid, addr, len, op);
1123 asmlinkage int irix_quotactl(struct pt_regs *regs)
1125 printk("[%s:%d] Wheee.. irix_quotactl()\n",
1126 current->comm, current->pid);
1131 asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
1135 #ifdef DEBUG_PROCGRPS
1136 printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid,
1142 /* Wheee, weird sysv thing... */
1143 if ((pgrp == 0) && (pid == current->pid))
1144 error = sys_setsid();
1146 error = sys_setpgid(pid, pgrp);
1148 #ifdef DEBUG_PROCGRPS
1149 printk("error = %d\n", error);
1155 asmlinkage int irix_systeminfo(int cmd, char *buf, int cnt)
1157 printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
1158 current->comm, current->pid, cmd, buf, cnt);
1164 char sysname[257], nodename[257], release[257];
1165 char version[257], machine[257];
1166 char m_type[257], base_rel[257];
1167 char _unused0[257], _unused1[257], _unused2[257];
1168 char _unused3[257], _unused4[257], _unused5[257];
1171 asmlinkage int irix_uname(struct iuname *buf)
1173 down_read(&uts_sem);
1174 if (copy_to_user(system_utsname.sysname, buf->sysname, 65)
1175 || copy_to_user(system_utsname.nodename, buf->nodename, 65)
1176 || copy_to_user(system_utsname.release, buf->release, 65)
1177 || copy_to_user(system_utsname.version, buf->version, 65)
1178 || copy_to_user(system_utsname.machine, buf->machine, 65)) {
1188 static int irix_xstat32_xlate(struct kstat *stat, void *ubuf)
1191 u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
1192 u32 st_rdev, st_pad2[2], st_size, st_pad3;
1193 u32 st_atime0, st_atime1;
1194 u32 st_mtime0, st_mtime1;
1195 u32 st_ctime0, st_ctime1;
1196 u32 st_blksize, st_blocks;
1201 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1203 ub.st_dev = sysv_encode_dev(stat->dev);
1204 ub.st_ino = stat->ino;
1205 ub.st_mode = stat->mode;
1206 ub.st_nlink = stat->nlink;
1207 SET_UID(ub.st_uid, stat->uid);
1208 SET_GID(ub.st_gid, stat->gid);
1209 ub.st_rdev = sysv_encode_dev(stat->rdev);
1210 #if BITS_PER_LONG == 32
1211 if (stat->size > MAX_NON_LFS)
1214 ub.st_size = stat->size;
1215 ub.st_atime0 = stat->atime.tv_sec;
1216 ub.st_atime1 = stat->atime.tv_nsec;
1217 ub.st_mtime0 = stat->mtime.tv_sec;
1218 ub.st_mtime1 = stat->atime.tv_nsec;
1219 ub.st_ctime0 = stat->ctime.tv_sec;
1220 ub.st_ctime1 = stat->atime.tv_nsec;
1221 ub.st_blksize = stat->blksize;
1222 ub.st_blocks = stat->blocks;
1223 strcpy (ub.st_fstype, "efs");
1225 return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
1228 static int irix_xstat64_xlate(struct kstat *stat, void *ubuf)
1231 u32 st_dev; s32 st_pad1[3];
1232 unsigned long long st_ino;
1234 u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev;
1238 struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime;
1240 long long st_blocks;
1245 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1248 ks.st_dev = sysv_encode_dev(stat->dev);
1249 ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0;
1250 ks.st_ino = (unsigned long long) stat->ino;
1251 ks.st_mode = (u32) stat->mode;
1252 ks.st_nlink = (u32) stat->nlink;
1253 ks.st_uid = (s32) stat->uid;
1254 ks.st_gid = (s32) stat->gid;
1255 ks.st_rdev = sysv_encode_dev (stat->rdev);
1256 ks.st_pad2[0] = ks.st_pad2[1] = 0;
1257 ks.st_size = (long long) stat->size;
1260 /* XXX hackety hack... */
1261 ks.st_atime.tv_sec = (s32) stat->atime.tv_sec;
1262 ks.st_atime.tv_nsec = stat->atime.tv_nsec;
1263 ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec;
1264 ks.st_mtime.tv_nsec = stat->mtime.tv_nsec;
1265 ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec;
1266 ks.st_ctime.tv_nsec = stat->ctime.tv_nsec;
1268 ks.st_blksize = (s32) stat->blksize;
1269 ks.st_blocks = (long long) stat->blocks;
1270 memset(ks.st_fstype, 0, 16);
1271 ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0;
1272 ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0;
1274 /* Now write it all back. */
1275 return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
1278 asmlinkage int irix_xstat(int version, char *filename, struct stat *statbuf)
1284 printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ",
1285 current->comm, current->pid, version, filename, statbuf);
1288 retval = vfs_stat(filename, &stat);
1292 retval = irix_xstat32_xlate(&stat, statbuf);
1295 retval = irix_xstat64_xlate(&stat, statbuf);
1304 asmlinkage int irix_lxstat(int version, char *filename, struct stat *statbuf)
1310 printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ",
1311 current->comm, current->pid, version, filename, statbuf);
1314 error = vfs_lstat(filename, &stat);
1319 error = irix_xstat32_xlate(&stat, statbuf);
1322 error = irix_xstat64_xlate(&stat, statbuf);
1331 asmlinkage int irix_fxstat(int version, int fd, struct stat *statbuf)
1337 printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ",
1338 current->comm, current->pid, version, fd, statbuf);
1341 error = vfs_fstat(fd, &stat);
1345 error = irix_xstat32_xlate(&stat, statbuf);
1348 error = irix_xstat64_xlate(&stat, statbuf);
1357 asmlinkage int irix_xmknod(int ver, char *filename, int mode, unsigned dev)
1360 printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
1361 current->comm, current->pid, ver, filename, mode, dev);
1365 /* shouldn't we convert here as well as on stat()? */
1366 retval = sys_mknod(filename, mode, dev);
1377 asmlinkage int irix_swapctl(int cmd, char *arg)
1379 printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
1380 current->comm, current->pid, cmd, arg);
1385 struct irix_statvfs {
1386 u32 f_bsize; u32 f_frsize; u32 f_blocks;
1387 u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail;
1388 u32 f_fsid; char f_basetype[16];
1389 u32 f_flag; u32 f_namemax;
1390 char f_fstr[32]; u32 f_filler[16];
1393 asmlinkage int irix_statvfs(char *fname, struct irix_statvfs *buf)
1395 struct nameidata nd;
1396 struct kstatfs kbuf;
1399 printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
1400 current->comm, current->pid, fname, buf);
1401 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1404 error = user_path_walk(fname, &nd);
1407 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1411 __put_user(kbuf.f_bsize, &buf->f_bsize);
1412 __put_user(kbuf.f_frsize, &buf->f_frsize);
1413 __put_user(kbuf.f_blocks, &buf->f_blocks);
1414 __put_user(kbuf.f_bfree, &buf->f_bfree);
1415 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1416 __put_user(kbuf.f_files, &buf->f_files);
1417 __put_user(kbuf.f_ffree, &buf->f_ffree);
1418 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1420 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1422 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1424 for (i = 0; i < 16; i++)
1425 __put_user(0, &buf->f_basetype[i]);
1426 __put_user(0, &buf->f_flag);
1427 __put_user(kbuf.f_namelen, &buf->f_namemax);
1428 for (i = 0; i < 32; i++)
1429 __put_user(0, &buf->f_fstr[i]);
1439 asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs *buf)
1441 struct kstatfs kbuf;
1445 printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
1446 current->comm, current->pid, fd, buf);
1448 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1451 if (!(file = fget(fd))) {
1455 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1459 __put_user(kbuf.f_bsize, &buf->f_bsize);
1460 __put_user(kbuf.f_frsize, &buf->f_frsize);
1461 __put_user(kbuf.f_blocks, &buf->f_blocks);
1462 __put_user(kbuf.f_bfree, &buf->f_bfree);
1463 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1464 __put_user(kbuf.f_files, &buf->f_files);
1465 __put_user(kbuf.f_ffree, &buf->f_ffree);
1466 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1468 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1470 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1472 for(i = 0; i < 16; i++)
1473 __put_user(0, &buf->f_basetype[i]);
1474 __put_user(0, &buf->f_flag);
1475 __put_user(kbuf.f_namelen, &buf->f_namemax);
1476 __clear_user(&buf->f_fstr, sizeof(buf->f_fstr));
1484 asmlinkage int irix_priocntl(struct pt_regs *regs)
1486 printk("[%s:%d] Wheee.. irix_priocntl()\n",
1487 current->comm, current->pid);
1492 asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
1494 printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n",
1495 current->comm, current->pid, pid, sig, code, val);
1500 asmlinkage int irix_truncate64(char *name, int pad, int size1, int size2)
1508 retval = sys_truncate(name, size2);
1514 asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2)
1522 retval = sys_ftruncate(fd, size2);
1528 asmlinkage int irix_mmap64(struct pt_regs *regs)
1530 int len, prot, flags, fd, off1, off2, error, base = 0;
1531 unsigned long addr, pgoff, *sp;
1532 struct file *file = NULL;
1534 if (regs->regs[2] == 1000)
1536 sp = (unsigned long *) (regs->regs[29] + 16);
1537 addr = regs->regs[base + 4];
1538 len = regs->regs[base + 5];
1539 prot = regs->regs[base + 6];
1541 flags = regs->regs[base + 7];
1542 error = verify_area(VERIFY_READ, sp, (4 * sizeof(unsigned long)));
1546 __get_user(off1, &sp[1]);
1547 __get_user(off2, &sp[2]);
1549 error = verify_area(VERIFY_READ, sp, (5 * sizeof(unsigned long)));
1552 __get_user(flags, &sp[0]);
1553 __get_user(fd, &sp[1]);
1554 __get_user(off1, &sp[2]);
1555 __get_user(off2, &sp[3]);
1558 if (off1 & PAGE_MASK) {
1563 pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
1565 if (!(flags & MAP_ANONYMOUS)) {
1566 if (!(file = fget(fd))) {
1571 /* Ok, bad taste hack follows, try to think in something else
1572 when reading this */
1573 if (flags & IRIX_MAP_AUTOGROW) {
1574 unsigned long old_pos;
1575 long max_size = off2 + len;
1577 if (max_size > file->f_dentry->d_inode->i_size) {
1578 old_pos = sys_lseek (fd, max_size - 1, 0);
1579 sys_write (fd, "", 1);
1580 sys_lseek (fd, old_pos, 0);
1585 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1587 down_write(¤t->mm->mmap_sem);
1588 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
1589 up_write(¤t->mm->mmap_sem);
1598 asmlinkage int irix_dmi(struct pt_regs *regs)
1600 printk("[%s:%d] Wheee.. irix_dmi()\n",
1601 current->comm, current->pid);
1606 asmlinkage int irix_pread(int fd, char *buf, int cnt, int off64,
1609 printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
1610 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1615 asmlinkage int irix_pwrite(int fd, char *buf, int cnt, int off64,
1618 printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
1619 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1624 asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1,
1625 unsigned long arg2, unsigned long arg3,
1626 unsigned long arg4, unsigned long arg5)
1628 printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx,"
1630 current->comm, current->pid, cmd, arg0, arg1, arg2,
1636 struct irix_statvfs64 {
1637 u32 f_bsize; u32 f_frsize;
1638 u64 f_blocks; u64 f_bfree; u64 f_bavail;
1639 u64 f_files; u64 f_ffree; u64 f_favail;
1641 char f_basetype[16];
1642 u32 f_flag; u32 f_namemax;
1647 asmlinkage int irix_statvfs64(char *fname, struct irix_statvfs64 *buf)
1649 struct nameidata nd;
1650 struct kstatfs kbuf;
1653 printk("[%s:%d] Wheee.. irix_statvfs64(%s,%p)\n",
1654 current->comm, current->pid, fname, buf);
1655 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs64));
1658 error = user_path_walk(fname, &nd);
1661 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1665 __put_user(kbuf.f_bsize, &buf->f_bsize);
1666 __put_user(kbuf.f_frsize, &buf->f_frsize);
1667 __put_user(kbuf.f_blocks, &buf->f_blocks);
1668 __put_user(kbuf.f_bfree, &buf->f_bfree);
1669 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1670 __put_user(kbuf.f_files, &buf->f_files);
1671 __put_user(kbuf.f_ffree, &buf->f_ffree);
1672 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1674 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1676 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1678 for(i = 0; i < 16; i++)
1679 __put_user(0, &buf->f_basetype[i]);
1680 __put_user(0, &buf->f_flag);
1681 __put_user(kbuf.f_namelen, &buf->f_namemax);
1682 for(i = 0; i < 32; i++)
1683 __put_user(0, &buf->f_fstr[i]);
1693 asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs *buf)
1695 struct kstatfs kbuf;
1699 printk("[%s:%d] Wheee.. irix_fstatvfs64(%d,%p)\n",
1700 current->comm, current->pid, fd, buf);
1702 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1705 if (!(file = fget(fd))) {
1709 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1713 __put_user(kbuf.f_bsize, &buf->f_bsize);
1714 __put_user(kbuf.f_frsize, &buf->f_frsize);
1715 __put_user(kbuf.f_blocks, &buf->f_blocks);
1716 __put_user(kbuf.f_bfree, &buf->f_bfree);
1717 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1718 __put_user(kbuf.f_files, &buf->f_files);
1719 __put_user(kbuf.f_ffree, &buf->f_ffree);
1720 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1722 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1724 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1726 for(i = 0; i < 16; i++)
1727 __put_user(0, &buf->f_basetype[i]);
1728 __put_user(0, &buf->f_flag);
1729 __put_user(kbuf.f_namelen, &buf->f_namemax);
1730 __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i]));
1738 asmlinkage int irix_getmountid(char *fname, unsigned long *midbuf)
1742 printk("[%s:%d] irix_getmountid(%s, %p)\n",
1743 current->comm, current->pid, fname, midbuf);
1744 err = verify_area(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4));
1749 * The idea with this system call is that when trying to determine
1750 * 'pwd' and it's a toss-up for some reason, userland can use the
1751 * fsid of the filesystem to try and make the right decision, but
1752 * we don't have this so for now. XXX
1754 err |= __put_user(0, &midbuf[0]);
1755 err |= __put_user(0, &midbuf[1]);
1756 err |= __put_user(0, &midbuf[2]);
1757 err |= __put_user(0, &midbuf[3]);
1762 asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask,
1763 unsigned long arg, unsigned long sp, int slen)
1765 printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n",
1766 current->comm, current->pid, entry, mask, arg, sp, slen);
1771 #undef DEBUG_GETDENTS
1773 struct irix_dirent32 {
1776 unsigned short d_reclen;
1780 struct irix_dirent32_callback {
1781 struct irix_dirent32 *current_dir;
1782 struct irix_dirent32 *previous;
1787 #define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
1788 #define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
1790 static int irix_filldir32(void *__buf, const char *name, int namlen,
1791 loff_t offset, ino_t ino, unsigned int d_type)
1793 struct irix_dirent32 *dirent;
1794 struct irix_dirent32_callback *buf =
1795 (struct irix_dirent32_callback *)__buf;
1796 unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
1798 #ifdef DEBUG_GETDENTS
1799 printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
1800 reclen, namlen, buf->count);
1802 buf->error = -EINVAL; /* only used if we fail.. */
1803 if (reclen > buf->count)
1805 dirent = buf->previous;
1807 __put_user(offset, &dirent->d_off);
1808 dirent = buf->current_dir;
1809 buf->previous = dirent;
1810 __put_user(ino, &dirent->d_ino);
1811 __put_user(reclen, &dirent->d_reclen);
1812 copy_to_user(dirent->d_name, name, namlen);
1813 __put_user(0, &dirent->d_name[namlen]);
1814 ((char *) dirent) += reclen;
1815 buf->current_dir = dirent;
1816 buf->count -= reclen;
1821 asmlinkage int irix_ngetdents(unsigned int fd, void * dirent,
1822 unsigned int count, int *eob)
1825 struct irix_dirent32 *lastdirent;
1826 struct irix_dirent32_callback buf;
1829 #ifdef DEBUG_GETDENTS
1830 printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm,
1831 current->pid, fd, dirent, count, eob);
1838 buf.current_dir = (struct irix_dirent32 *) dirent;
1839 buf.previous = NULL;
1843 error = vfs_readdir(file, irix_filldir32, &buf);
1848 lastdirent = buf.previous;
1850 put_user(file->f_pos, &lastdirent->d_off);
1851 error = count - buf.count;
1854 if (put_user(0, eob) < 0) {
1859 #ifdef DEBUG_GETDENTS
1860 printk("eob=%d returning %d\n", *eob, count - buf.count);
1862 error = count - buf.count;
1870 struct irix_dirent64 {
1873 unsigned short d_reclen;
1877 struct irix_dirent64_callback {
1878 struct irix_dirent64 *curr;
1879 struct irix_dirent64 *previous;
1884 #define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
1885 #define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
1887 static int irix_filldir64(void * __buf, const char * name, int namlen,
1888 loff_t offset, ino_t ino, unsigned int d_type)
1890 struct irix_dirent64 *dirent;
1891 struct irix_dirent64_callback * buf =
1892 (struct irix_dirent64_callback *) __buf;
1893 unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
1895 buf->error = -EINVAL; /* only used if we fail.. */
1896 if (reclen > buf->count)
1898 dirent = buf->previous;
1900 __put_user(offset, &dirent->d_off);
1902 buf->previous = dirent;
1903 __put_user(ino, &dirent->d_ino);
1904 __put_user(reclen, &dirent->d_reclen);
1905 __copy_to_user(dirent->d_name, name, namlen);
1906 __put_user(0, &dirent->d_name[namlen]);
1907 ((char *) dirent) += reclen;
1909 buf->count -= reclen;
1914 asmlinkage int irix_getdents64(int fd, void *dirent, int cnt)
1917 struct irix_dirent64 *lastdirent;
1918 struct irix_dirent64_callback buf;
1921 #ifdef DEBUG_GETDENTS
1922 printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm,
1923 current->pid, fd, dirent, cnt);
1926 if (!(file = fget(fd)))
1930 if (!access_ok(VERIFY_WRITE, dirent, cnt))
1934 if (cnt < (sizeof(struct irix_dirent64) + 255))
1937 buf.curr = (struct irix_dirent64 *) dirent;
1938 buf.previous = NULL;
1941 error = vfs_readdir(file, irix_filldir64, &buf);
1944 lastdirent = buf.previous;
1949 lastdirent->d_off = (u64) file->f_pos;
1950 #ifdef DEBUG_GETDENTS
1951 printk("returning %d\n", cnt - buf.count);
1953 error = cnt - buf.count;
1961 asmlinkage int irix_ngetdents64(int fd, void *dirent, int cnt, int *eob)
1964 struct irix_dirent64 *lastdirent;
1965 struct irix_dirent64_callback buf;
1968 #ifdef DEBUG_GETDENTS
1969 printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm,
1970 current->pid, fd, dirent, cnt);
1973 if (!(file = fget(fd)))
1977 if (!access_ok(VERIFY_WRITE, dirent, cnt) ||
1978 !access_ok(VERIFY_WRITE, eob, sizeof(*eob)))
1982 if (cnt < (sizeof(struct irix_dirent64) + 255))
1986 buf.curr = (struct irix_dirent64 *) dirent;
1987 buf.previous = NULL;
1990 error = vfs_readdir(file, irix_filldir64, &buf);
1993 lastdirent = buf.previous;
1998 lastdirent->d_off = (u64) file->f_pos;
1999 #ifdef DEBUG_GETDENTS
2000 printk("eob=%d returning %d\n", *eob, cnt - buf.count);
2002 error = cnt - buf.count;
2010 asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg)
2017 printk("[%s:%d] irix_uadmin: Wants to reboot...\n",
2018 current->comm, current->pid);
2024 printk("[%s:%d] irix_uadmin: Wants to shutdown...\n",
2025 current->comm, current->pid);
2031 printk("[%s:%d] irix_uadmin: Wants to remount root...\n",
2032 current->comm, current->pid);
2037 /* Kill all tasks. */
2038 printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n",
2039 current->comm, current->pid);
2044 /* Set magic mushrooms... */
2045 printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n",
2046 current->comm, current->pid, (int) func);
2051 printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n",
2052 current->comm, current->pid, (int) op);
2061 asmlinkage int irix_utssys(char *inbuf, int arg, int type, char *outbuf)
2068 retval = irix_uname((struct iuname *)inbuf);
2073 printk("[%s:%d] irix_utssys: Wants to do ustat()\n",
2074 current->comm, current->pid);
2080 printk("[%s:%d] irix_utssys: Wants to do fusers()\n",
2081 current->comm, current->pid);
2086 printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n",
2087 current->comm, current->pid, (int) type);
2098 #define IRIX_F_ALLOCSP 10
2100 asmlinkage int irix_fcntl(int fd, int cmd, int arg)
2105 printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm,
2106 current->pid, fd, cmd, arg);
2108 if (cmd == IRIX_F_ALLOCSP){
2111 retval = sys_fcntl(fd, cmd, arg);
2113 printk("%d\n", retval);
2118 asmlinkage int irix_ulimit(int cmd, int arg)
2124 printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n",
2125 current->comm, current->pid);
2130 printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n",
2131 current->comm, current->pid);
2136 printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n",
2137 current->comm, current->pid);
2143 printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n",
2144 current->comm, current->pid);
2148 retval = current->signal->rlim[RLIMIT_NOFILE].rlim_cur;
2152 printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n",
2153 current->comm, current->pid);
2158 printk("[%s:%d] irix_ulimit: Unknown command [%d].\n",
2159 current->comm, current->pid, cmd);
2167 asmlinkage int irix_unimp(struct pt_regs *regs)
2169 printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx "
2170 "a3=%08lx\n", current->comm, current->pid,
2171 (int) regs->regs[2], (int) regs->regs[3],
2172 regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);