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>
34 #include <asm/ptrace.h>
36 #include <asm/uaccess.h>
37 #include <asm/inventory.h>
39 /* 2,191 lines of complete and utter shit coming up... */
41 extern int max_threads;
43 /* The sysmp commands supported thus far. */
44 #define MP_NPROCS 1 /* # processor in complex */
45 #define MP_NAPROCS 2 /* # active processors in complex */
46 #define MP_PGSIZE 14 /* Return system page size in v1. */
48 asmlinkage int irix_sysmp(struct pt_regs *regs)
54 if(regs->regs[2] == 1000)
56 cmd = regs->regs[base + 4];
63 error = num_online_cpus();
66 printk("SYSMP[%s:%d]: Unsupported opcode %d\n",
67 current->comm, current->pid, (int)cmd);
75 /* The prctl commands. */
76 #define PR_MAXPROCS 1 /* Tasks/user. */
77 #define PR_ISBLOCKED 2 /* If blocked, return 1. */
78 #define PR_SETSTACKSIZE 3 /* Set largest task stack size. */
79 #define PR_GETSTACKSIZE 4 /* Get largest task stack size. */
80 #define PR_MAXPPROCS 5 /* Num parallel tasks. */
81 #define PR_UNBLKONEXEC 6 /* When task exec/exit's, unblock. */
82 #define PR_SETEXITSIG 8 /* When task exit's, set signal. */
83 #define PR_RESIDENT 9 /* Make task unswappable. */
84 #define PR_ATTACHADDR 10 /* (Re-)Connect a vma to a task. */
85 #define PR_DETACHADDR 11 /* Disconnect a vma from a task. */
86 #define PR_TERMCHILD 12 /* When parent sleeps with fishes, kill child. */
87 #define PR_GETSHMASK 13 /* Get the sproc() share mask. */
88 #define PR_GETNSHARE 14 /* Number of share group members. */
89 #define PR_COREPID 15 /* Add task pid to name when it core. */
90 #define PR_ATTACHADDRPERM 16 /* (Re-)Connect vma, with specified prot. */
91 #define PR_PTHREADEXIT 17 /* Kill a pthread without prejudice. */
93 asmlinkage int irix_prctl(struct pt_regs *regs)
96 int error = 0, base = 0;
98 if (regs->regs[2] == 1000)
100 cmd = regs->regs[base + 4];
103 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
104 current->comm, current->pid);
109 struct task_struct *task;
111 printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n",
112 current->comm, current->pid);
113 read_lock(&tasklist_lock);
114 task = find_task_by_pid(regs->regs[base + 5]);
117 error = (task->run_list.next != NULL);
118 read_unlock(&tasklist_lock);
119 /* Can _your_ OS find this out that fast? */
123 case PR_SETSTACKSIZE: {
124 long value = regs->regs[base + 5];
126 printk("irix_prctl[%s:%d]: Wants PR_SETSTACKSIZE<%08lx>\n",
127 current->comm, current->pid, (unsigned long) value);
128 if (value > RLIM_INFINITY)
129 value = RLIM_INFINITY;
130 if (capable(CAP_SYS_ADMIN)) {
131 current->rlim[RLIMIT_STACK].rlim_max =
132 current->rlim[RLIMIT_STACK].rlim_cur = value;
136 if (value > current->rlim[RLIMIT_STACK].rlim_max) {
140 current->rlim[RLIMIT_STACK].rlim_cur = value;
145 case PR_GETSTACKSIZE:
146 printk("irix_prctl[%s:%d]: Wants PR_GETSTACKSIZE\n",
147 current->comm, current->pid);
148 error = current->rlim[RLIMIT_STACK].rlim_cur;
152 printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
153 current->comm, current->pid);
158 printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n",
159 current->comm, current->pid);
164 printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n",
165 current->comm, current->pid);
167 /* We can probably play some game where we set the task
168 * exit_code to some non-zero value when this is requested,
169 * and check whether exit_code is already set in do_exit().
175 printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n",
176 current->comm, current->pid);
177 error = 0; /* Compatibility indeed. */
181 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n",
182 current->comm, current->pid);
187 printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n",
188 current->comm, current->pid);
193 printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n",
194 current->comm, current->pid);
199 printk("irix_prctl[%s:%d]: Wants PR_GETSHMASK\n",
200 current->comm, current->pid);
201 error = -EINVAL; /* Until I have the sproc() stuff in. */
205 error = 0; /* Until I have the sproc() stuff in. */
209 printk("irix_prctl[%s:%d]: Wants PR_COREPID\n",
210 current->comm, current->pid);
214 case PR_ATTACHADDRPERM:
215 printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n",
216 current->comm, current->pid);
221 printk("irix_prctl[%s:%d]: Wants PR_PTHREADEXIT\n",
222 current->comm, current->pid);
223 do_exit(regs->regs[base + 5]);
226 printk("irix_prctl[%s:%d]: Non-existant opcode %d\n",
227 current->comm, current->pid, (int)cmd);
235 #undef DEBUG_PROCGRPS
237 extern unsigned long irix_mapelf(int fd, struct elf_phdr *user_phdrp, int cnt);
238 extern int getrusage(struct task_struct *p, int who, struct rusage *ru);
239 extern char *prom_getenv(char *name);
240 extern long prom_setenv(char *name, char *value);
242 /* The syssgi commands supported thus far. */
243 #define SGI_SYSID 1 /* Return unique per-machine identifier. */
244 #define SGI_INVENT 5 /* Fetch inventory */
245 # define SGI_INV_SIZEOF 1
246 # define SGI_INV_READ 2
247 #define SGI_RDNAME 6 /* Return string name of a process. */
248 #define SGI_SETNVRAM 8 /* Set PROM variable. */
249 #define SGI_GETNVRAM 9 /* Get PROM variable. */
250 #define SGI_SETPGID 21 /* Set process group id. */
251 #define SGI_SYSCONF 22 /* POSIX sysconf garbage. */
252 #define SGI_PATHCONF 24 /* POSIX sysconf garbage. */
253 #define SGI_SETGROUPS 40 /* POSIX sysconf garbage. */
254 #define SGI_GETGROUPS 41 /* POSIX sysconf garbage. */
255 #define SGI_RUSAGE 56 /* BSD style rusage(). */
256 #define SGI_SSYNC 62 /* Synchronous fs sync. */
257 #define SGI_GETSID 65 /* SysVr4 get session id. */
258 #define SGI_ELFMAP 68 /* Map an elf image. */
259 #define SGI_TOSSTSAVE 108 /* Toss saved vma's. */
260 #define SGI_FP_BCOPY 129 /* Should FPU bcopy be used on this machine? */
261 #define SGI_PHYSP 1011 /* Translate virtual into physical page. */
263 asmlinkage int irix_syssgi(struct pt_regs *regs)
266 int retval, base = 0;
268 if (regs->regs[2] == 1000)
271 cmd = regs->regs[base + 4];
274 char *buf = (char *) regs->regs[base + 5];
276 /* XXX Use ethernet addr.... */
277 retval = clear_user(buf, 64);
282 int pid = (int) regs->regs[base + 5];
283 char *buf = (char *) regs->regs[base + 6];
284 struct task_struct *p;
287 retval = verify_area(VERIFY_WRITE, buf, 16);
290 read_lock(&tasklist_lock);
291 p = find_task_by_pid(pid);
293 read_unlock(&tasklist_lock);
297 memcpy(comm, p->comm, 16);
298 read_unlock(&tasklist_lock);
300 /* XXX Need to check sizes. */
301 copy_to_user(buf, p->comm, 16);
307 char *name = (char *) regs->regs[base+5];
308 char *buf = (char *) regs->regs[base+6];
310 return -EINVAL; /* til I fix it */
311 retval = verify_area(VERIFY_WRITE, buf, 128);
314 value = prom_getenv(name); /* PROM lock? */
319 /* Do I strlen() for the length? */
320 copy_to_user(buf, value, 128);
326 char *name = (char *) regs->regs[base+5];
327 char *value = (char *) regs->regs[base+6];
328 return -EINVAL; /* til I fix it */
329 retval = prom_setenv(name, value);
330 /* XXX make sure retval conforms to syssgi(2) */
331 printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d",
332 current->comm, current->pid, name, value, retval);
333 /* if (retval == PROM_ENOENT)
340 #ifdef DEBUG_PROCGRPS
341 printk("[%s:%d] setpgid(%d, %d) ",
342 current->comm, current->pid,
343 (int) regs->regs[base + 5], (int)regs->regs[base + 6]);
345 retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]);
347 #ifdef DEBUG_PROCGRPS
348 printk("retval=%d\n", retval);
353 switch(regs->regs[base + 5]) {
355 retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */
358 retval = max_threads;
364 retval = NGROUPS_MAX;
402 retval = sys_setgroups((int) regs->regs[base + 5],
403 (gid_t *) regs->regs[base + 6]);
407 retval = sys_getgroups((int) regs->regs[base + 5],
408 (gid_t *) regs->regs[base + 6]);
412 struct rusage *ru = (struct rusage *) regs->regs[base + 6];
414 switch((int) regs->regs[base + 5]) {
417 retval = getrusage(current, RUSAGE_SELF, ru);
421 /* rusage children */
422 retval = getrusage(current, RUSAGE_CHILDREN, ru);
437 #ifdef DEBUG_PROCGRPS
438 printk("[%s:%d] getsid(%d) ", current->comm, current->pid,
439 (int) regs->regs[base + 5]);
441 retval = sys_getsid(regs->regs[base + 5]);
442 #ifdef DEBUG_PROCGRPS
443 printk("retval=%d\n", retval);
448 retval = irix_mapelf((int) regs->regs[base + 5],
449 (struct elf_phdr *) regs->regs[base + 6],
450 (int) regs->regs[base + 7]);
454 /* XXX We don't need to do anything? */
463 unsigned long addr = regs->regs[base + 5];
464 int *pageno = (int *) (regs->regs[base + 6]);
465 struct mm_struct *mm = current->mm;
470 retval = verify_area(VERIFY_WRITE, pageno, sizeof(int));
474 down_read(&mm->mmap_sem);
475 pgdp = pgd_offset(mm, addr);
476 pmdp = pmd_offset(pgdp, addr);
477 ptep = pte_offset(pmdp, addr);
482 if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
483 retval = put_user((pte_val(pte) & PAGE_MASK) >>
487 up_read(&mm->mmap_sem);
492 int arg1 = (int) regs->regs [base + 5];
493 void *buffer = (void *) regs->regs [base + 6];
494 int count = (int) regs->regs [base + 7];
498 retval = sizeof (inventory_t);
501 retval = dump_inventory_to_user (buffer, count);
510 printk("irix_syssgi: Unsupported command %d\n", (int)cmd);
519 asmlinkage int irix_gtime(struct pt_regs *regs)
521 return get_seconds();
525 * IRIX is completely broken... it returns 0 on success, otherwise
528 asmlinkage int irix_brk(unsigned long brk)
531 unsigned long newbrk, oldbrk;
532 struct mm_struct *mm = current->mm;
535 down_write(&mm->mmap_sem);
536 if (brk < mm->end_code) {
541 newbrk = PAGE_ALIGN(brk);
542 oldbrk = PAGE_ALIGN(mm->brk);
543 if (oldbrk == newbrk) {
550 * Always allow shrinking brk
552 if (brk <= mm->brk) {
554 do_munmap(mm, newbrk, oldbrk-newbrk);
559 * Check against rlimit and stack..
561 rlim = current->rlim[RLIMIT_DATA].rlim_cur;
562 if (rlim >= RLIM_INFINITY)
564 if (brk - mm->end_code > rlim) {
570 * Check against existing mmap mappings.
572 if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) {
578 * Check if we have enough memory..
580 if (security_vm_enough_memory((newbrk-oldbrk) >> PAGE_SHIFT)) {
586 * Ok, looks good - let it rip.
589 do_brk(oldbrk, newbrk-oldbrk);
593 up_write(&mm->mmap_sem);
597 asmlinkage int irix_getpid(struct pt_regs *regs)
599 regs->regs[3] = current->real_parent->pid;
603 asmlinkage int irix_getuid(struct pt_regs *regs)
605 regs->regs[3] = current->euid;
609 asmlinkage int irix_getgid(struct pt_regs *regs)
611 regs->regs[3] = current->egid;
615 asmlinkage int irix_stime(int value)
617 if (!capable(CAP_SYS_TIME))
620 write_seqlock_irq(&xtime_lock);
621 xtime.tv_sec = value;
623 time_adjust = 0; /* stop active adjtime() */
624 time_status |= STA_UNSYNC;
625 time_maxerror = NTP_PHASE_LIMIT;
626 time_esterror = NTP_PHASE_LIMIT;
627 write_sequnlock_irq(&xtime_lock);
632 static inline void jiffiestotv(unsigned long jiffies, struct timeval *value)
634 value->tv_usec = (jiffies % HZ) * (1000000 / HZ);
635 value->tv_sec = jiffies / HZ;
638 static inline void getitimer_real(struct itimerval *value)
640 register unsigned long val, interval;
642 interval = current->it_real_incr;
644 if (del_timer(¤t->real_timer)) {
645 unsigned long now = jiffies;
646 val = current->real_timer.expires;
647 add_timer(¤t->real_timer);
648 /* look out for negative/zero itimer.. */
653 jiffiestotv(val, &value->it_value);
654 jiffiestotv(interval, &value->it_interval);
657 asmlinkage unsigned int irix_alarm(unsigned int seconds)
659 struct itimerval it_new, it_old;
660 unsigned int oldalarm;
663 getitimer_real(&it_old);
664 del_timer(¤t->real_timer);
666 it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0;
667 it_new.it_value.tv_sec = seconds;
668 it_new.it_value.tv_usec = 0;
669 do_setitimer(ITIMER_REAL, &it_new, &it_old);
671 oldalarm = it_old.it_value.tv_sec;
673 * ehhh.. We can't return 0 if we have an alarm pending ...
674 * And we'd better return too much than too little anyway
676 if (it_old.it_value.tv_usec)
682 asmlinkage int irix_pause(void)
684 current->state = TASK_INTERRUPTIBLE;
690 /* XXX need more than this... */
691 asmlinkage int irix_mount(char *dev_name, char *dir_name, unsigned long flags,
692 char *type, void *data, int datalen)
694 printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
695 current->comm, current->pid,
696 dev_name, dir_name, flags, type, data, datalen);
698 return sys_mount(dev_name, dir_name, type, flags, data);
703 long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree;
704 char f_fname[6], f_fpack[6];
707 asmlinkage int irix_statfs(const char *path, struct irix_statfs *buf,
708 int len, int fs_type)
714 /* We don't support this feature yet. */
719 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statfs));
722 error = user_path_walk(path, &nd);
726 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
730 __put_user(kbuf.f_type, &buf->f_type);
731 __put_user(kbuf.f_bsize, &buf->f_bsize);
732 __put_user(kbuf.f_frsize, &buf->f_frsize);
733 __put_user(kbuf.f_blocks, &buf->f_blocks);
734 __put_user(kbuf.f_bfree, &buf->f_bfree);
735 __put_user(kbuf.f_files, &buf->f_files);
736 __put_user(kbuf.f_ffree, &buf->f_ffree);
737 for (i = 0; i < 6; i++) {
738 __put_user(0, &buf->f_fname[i]);
739 __put_user(0, &buf->f_fpack[i]);
749 asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs *buf)
755 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statfs));
758 if (!(file = fget(fd))) {
763 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
767 __put_user(kbuf.f_type, &buf->f_type);
768 __put_user(kbuf.f_bsize, &buf->f_bsize);
769 __put_user(kbuf.f_frsize, &buf->f_frsize);
770 __put_user(kbuf.f_blocks, &buf->f_blocks);
771 __put_user(kbuf.f_bfree, &buf->f_bfree);
772 __put_user(kbuf.f_files, &buf->f_files);
773 __put_user(kbuf.f_ffree, &buf->f_ffree);
774 for(i = 0; i < 6; i++) {
775 __put_user(0, &buf->f_fname[i]);
776 __put_user(0, &buf->f_fpack[i]);
785 asmlinkage int irix_setpgrp(int flags)
789 #ifdef DEBUG_PROCGRPS
790 printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags);
793 error = process_group(current);
795 error = sys_setsid();
796 #ifdef DEBUG_PROCGRPS
797 printk("returning %d\n", process_group(current));
803 asmlinkage int irix_times(struct tms * tbuf)
808 err = verify_area(VERIFY_WRITE,tbuf,sizeof *tbuf);
811 err |= __put_user(current->utime, &tbuf->tms_utime);
812 err |= __put_user(current->stime, &tbuf->tms_stime);
813 err |= __put_user(current->cutime, &tbuf->tms_cutime);
814 err |= __put_user(current->cstime, &tbuf->tms_cstime);
820 asmlinkage int irix_exec(struct pt_regs *regs)
825 if(regs->regs[2] == 1000)
827 filename = getname((char *) (long)regs->regs[base + 4]);
828 error = PTR_ERR(filename);
829 if (IS_ERR(filename))
832 error = do_execve(filename, (char **) (long)regs->regs[base + 5],
839 asmlinkage int irix_exece(struct pt_regs *regs)
844 if (regs->regs[2] == 1000)
846 filename = getname((char *) (long)regs->regs[base + 4]);
847 error = PTR_ERR(filename);
848 if (IS_ERR(filename))
850 error = do_execve(filename, (char **) (long)regs->regs[base + 5],
851 (char **) (long)regs->regs[base + 6], regs);
857 asmlinkage unsigned long irix_gethostid(void)
859 printk("[%s:%d]: irix_gethostid() called...\n",
860 current->comm, current->pid);
865 asmlinkage unsigned long irix_sethostid(unsigned long val)
867 printk("[%s:%d]: irix_sethostid(%08lx) called...\n",
868 current->comm, current->pid, val);
873 asmlinkage int irix_socket(int family, int type, int protocol)
885 type = 9; /* Invalid... */
897 type = SOCK_SEQPACKET;
904 return sys_socket(family, type, protocol);
907 asmlinkage int irix_getdomainname(char *name, int len)
911 error = verify_area(VERIFY_WRITE, name, len);
916 if(len > (__NEW_UTS_LEN - 1))
917 len = __NEW_UTS_LEN - 1;
919 if (copy_to_user(name, system_utsname.domainname, len))
926 asmlinkage unsigned long irix_getpagesize(void)
931 asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
932 unsigned long arg2, unsigned long arg3,
937 return sys_msgget((key_t) arg0, (int) arg1);
939 return sys_msgctl((int) arg0, (int) arg1, (struct msqid_ds *)arg2);
941 return sys_msgrcv((int) arg0, (struct msgbuf *) arg1,
942 (size_t) arg2, (long) arg3, (int) arg4);
944 return sys_msgsnd((int) arg0, (struct msgbuf *) arg1,
945 (size_t) arg2, (int) arg3);
951 asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
952 unsigned long arg2, unsigned long arg3)
956 return do_shmat((int) arg0, (char *)arg1, (int) arg2,
957 (unsigned long *) arg3);
959 return sys_shmctl((int)arg0, (int)arg1, (struct shmid_ds *)arg2);
961 return sys_shmdt((char *)arg0);
963 return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
969 asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
970 unsigned long arg2, int arg3)
974 return sys_semctl((int) arg0, (int) arg1, (int) arg2,
977 return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
979 return sys_semop((int) arg0, (struct sembuf *)arg1,
980 (unsigned int) arg2);
986 static inline loff_t llseek(struct file *file, loff_t offset, int origin)
988 loff_t (*fn)(struct file *, loff_t, int);
992 if (file->f_op && file->f_op->llseek)
993 fn = file->f_op->llseek;
995 retval = fn(file, offset, origin);
1000 asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
1015 offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin);
1016 retval = (int) offset;
1024 asmlinkage int irix_sginap(int ticks)
1026 current->state = TASK_INTERRUPTIBLE;
1027 schedule_timeout(ticks);
1031 asmlinkage int irix_sgikopt(char *istring, char *ostring, int len)
1036 asmlinkage int irix_gettimeofday(struct timeval *tv)
1042 if (verify_area(VERIFY_WRITE, tv, sizeof(struct timeval)))
1046 seq = read_seqbegin(&xtime_lock);
1048 nsec = xtime.tv_nsec;
1049 } while (read_seqretry(&xtime_lock, seq));
1051 err = __put_user(sec, &tv->tv_sec);
1052 err |= __put_user((nsec / 1000), &tv->tv_usec);
1057 #define IRIX_MAP_AUTOGROW 0x40
1059 asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
1060 int flags, int fd, off_t offset)
1062 struct file *file = NULL;
1063 unsigned long retval;
1065 if (!(flags & MAP_ANONYMOUS)) {
1066 if (!(file = fget(fd)))
1069 /* Ok, bad taste hack follows, try to think in something else
1070 * when reading this. */
1071 if (flags & IRIX_MAP_AUTOGROW) {
1072 unsigned long old_pos;
1073 long max_size = offset + len;
1075 if (max_size > file->f_dentry->d_inode->i_size) {
1076 old_pos = sys_lseek (fd, max_size - 1, 0);
1077 sys_write (fd, "", 1);
1078 sys_lseek (fd, old_pos, 0);
1083 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1085 down_write(¤t->mm->mmap_sem);
1086 retval = do_mmap(file, addr, len, prot, flags, offset);
1087 up_write(¤t->mm->mmap_sem);
1094 asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
1096 printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n",
1097 current->comm, current->pid, addr, len, behavior);
1102 asmlinkage int irix_pagelock(char *addr, int len, int op)
1104 printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
1105 current->comm, current->pid, addr, len, op);
1110 asmlinkage int irix_quotactl(struct pt_regs *regs)
1112 printk("[%s:%d] Wheee.. irix_quotactl()\n",
1113 current->comm, current->pid);
1118 asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
1122 #ifdef DEBUG_PROCGRPS
1123 printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid,
1129 /* Wheee, weird sysv thing... */
1130 if ((pgrp == 0) && (pid == current->pid))
1131 error = sys_setsid();
1133 error = sys_setpgid(pid, pgrp);
1135 #ifdef DEBUG_PROCGRPS
1136 printk("error = %d\n", error);
1142 asmlinkage int irix_systeminfo(int cmd, char *buf, int cnt)
1144 printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
1145 current->comm, current->pid, cmd, buf, cnt);
1151 char sysname[257], nodename[257], release[257];
1152 char version[257], machine[257];
1153 char m_type[257], base_rel[257];
1154 char _unused0[257], _unused1[257], _unused2[257];
1155 char _unused3[257], _unused4[257], _unused5[257];
1158 asmlinkage int irix_uname(struct iuname *buf)
1160 down_read(&uts_sem);
1161 if (copy_to_user(system_utsname.sysname, buf->sysname, 65)
1162 || copy_to_user(system_utsname.nodename, buf->nodename, 65)
1163 || copy_to_user(system_utsname.release, buf->release, 65)
1164 || copy_to_user(system_utsname.version, buf->version, 65)
1165 || copy_to_user(system_utsname.machine, buf->machine, 65)) {
1175 static int irix_xstat32_xlate(struct kstat *stat, void *ubuf)
1178 u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
1179 u32 st_rdev, st_pad2[2], st_size, st_pad3;
1180 u32 st_atime0, st_atime1;
1181 u32 st_mtime0, st_mtime1;
1182 u32 st_ctime0, st_ctime1;
1183 u32 st_blksize, st_blocks;
1188 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1190 ub.st_dev = sysv_encode_dev(stat->dev);
1191 ub.st_ino = stat->ino;
1192 ub.st_mode = stat->mode;
1193 ub.st_nlink = stat->nlink;
1194 SET_UID(ub.st_uid, stat->uid);
1195 SET_GID(ub.st_gid, stat->gid);
1196 ub.st_rdev = sysv_encode_dev(stat->rdev);
1197 #if BITS_PER_LONG == 32
1198 if (stat->size > MAX_NON_LFS)
1201 ub.st_size = stat->size;
1202 ub.st_atime0 = stat->atime.tv_sec;
1203 ub.st_atime1 = stat->atime.tv_nsec;
1204 ub.st_mtime0 = stat->mtime.tv_sec;
1205 ub.st_mtime1 = stat->atime.tv_nsec;
1206 ub.st_ctime0 = stat->ctime.tv_sec;
1207 ub.st_ctime1 = stat->atime.tv_nsec;
1208 ub.st_blksize = stat->blksize;
1209 ub.st_blocks = stat->blocks;
1210 strcpy (ub.st_fstype, "efs");
1212 return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
1215 static int irix_xstat64_xlate(struct kstat *stat, void *ubuf)
1218 u32 st_dev; s32 st_pad1[3];
1219 unsigned long long st_ino;
1221 u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev;
1225 struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime;
1227 long long st_blocks;
1232 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1235 ks.st_dev = sysv_encode_dev(stat->dev);
1236 ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0;
1237 ks.st_ino = (unsigned long long) stat->ino;
1238 ks.st_mode = (u32) stat->mode;
1239 ks.st_nlink = (u32) stat->nlink;
1240 ks.st_uid = (s32) stat->uid;
1241 ks.st_gid = (s32) stat->gid;
1242 ks.st_rdev = sysv_encode_dev (stat->rdev);
1243 ks.st_pad2[0] = ks.st_pad2[1] = 0;
1244 ks.st_size = (long long) stat->size;
1247 /* XXX hackety hack... */
1248 ks.st_atime.tv_sec = (s32) stat->atime.tv_sec;
1249 ks.st_atime.tv_nsec = stat->atime.tv_nsec;
1250 ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec;
1251 ks.st_mtime.tv_nsec = stat->mtime.tv_nsec;
1252 ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec;
1253 ks.st_ctime.tv_nsec = stat->ctime.tv_nsec;
1255 ks.st_blksize = (s32) stat->blksize;
1256 ks.st_blocks = (long long) stat->blocks;
1257 memset(ks.st_fstype, 0, 16);
1258 ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0;
1259 ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0;
1261 /* Now write it all back. */
1262 return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
1265 asmlinkage int irix_xstat(int version, char *filename, struct stat *statbuf)
1271 printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ",
1272 current->comm, current->pid, version, filename, statbuf);
1275 retval = vfs_stat(filename, &stat);
1279 retval = irix_xstat32_xlate(&stat, statbuf);
1282 retval = irix_xstat64_xlate(&stat, statbuf);
1291 asmlinkage int irix_lxstat(int version, char *filename, struct stat *statbuf)
1297 printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ",
1298 current->comm, current->pid, version, filename, statbuf);
1301 error = vfs_lstat(filename, &stat);
1306 error = irix_xstat32_xlate(&stat, statbuf);
1309 error = irix_xstat64_xlate(&stat, statbuf);
1318 asmlinkage int irix_fxstat(int version, int fd, struct stat *statbuf)
1324 printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ",
1325 current->comm, current->pid, version, fd, statbuf);
1328 error = vfs_fstat(fd, &stat);
1332 error = irix_xstat32_xlate(&stat, statbuf);
1335 error = irix_xstat64_xlate(&stat, statbuf);
1344 asmlinkage int irix_xmknod(int ver, char *filename, int mode, unsigned dev)
1347 printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
1348 current->comm, current->pid, ver, filename, mode, dev);
1352 /* shouldn't we convert here as well as on stat()? */
1353 retval = sys_mknod(filename, mode, dev);
1364 asmlinkage int irix_swapctl(int cmd, char *arg)
1366 printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
1367 current->comm, current->pid, cmd, arg);
1372 struct irix_statvfs {
1373 u32 f_bsize; u32 f_frsize; u32 f_blocks;
1374 u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail;
1375 u32 f_fsid; char f_basetype[16];
1376 u32 f_flag; u32 f_namemax;
1377 char f_fstr[32]; u32 f_filler[16];
1380 asmlinkage int irix_statvfs(char *fname, struct irix_statvfs *buf)
1382 struct nameidata nd;
1383 struct kstatfs kbuf;
1386 printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
1387 current->comm, current->pid, fname, buf);
1388 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1391 error = user_path_walk(fname, &nd);
1394 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1398 __put_user(kbuf.f_bsize, &buf->f_bsize);
1399 __put_user(kbuf.f_frsize, &buf->f_frsize);
1400 __put_user(kbuf.f_blocks, &buf->f_blocks);
1401 __put_user(kbuf.f_bfree, &buf->f_bfree);
1402 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1403 __put_user(kbuf.f_files, &buf->f_files);
1404 __put_user(kbuf.f_ffree, &buf->f_ffree);
1405 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1407 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1409 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1411 for (i = 0; i < 16; i++)
1412 __put_user(0, &buf->f_basetype[i]);
1413 __put_user(0, &buf->f_flag);
1414 __put_user(kbuf.f_namelen, &buf->f_namemax);
1415 for (i = 0; i < 32; i++)
1416 __put_user(0, &buf->f_fstr[i]);
1426 asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs *buf)
1428 struct kstatfs kbuf;
1432 printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
1433 current->comm, current->pid, fd, buf);
1435 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1438 if (!(file = fget(fd))) {
1442 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1446 __put_user(kbuf.f_bsize, &buf->f_bsize);
1447 __put_user(kbuf.f_frsize, &buf->f_frsize);
1448 __put_user(kbuf.f_blocks, &buf->f_blocks);
1449 __put_user(kbuf.f_bfree, &buf->f_bfree);
1450 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1451 __put_user(kbuf.f_files, &buf->f_files);
1452 __put_user(kbuf.f_ffree, &buf->f_ffree);
1453 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1455 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1457 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1459 for(i = 0; i < 16; i++)
1460 __put_user(0, &buf->f_basetype[i]);
1461 __put_user(0, &buf->f_flag);
1462 __put_user(kbuf.f_namelen, &buf->f_namemax);
1463 __clear_user(&buf->f_fstr, sizeof(buf->f_fstr));
1471 asmlinkage int irix_priocntl(struct pt_regs *regs)
1473 printk("[%s:%d] Wheee.. irix_priocntl()\n",
1474 current->comm, current->pid);
1479 asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
1481 printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n",
1482 current->comm, current->pid, pid, sig, code, val);
1487 asmlinkage int irix_truncate64(char *name, int pad, int size1, int size2)
1495 retval = sys_truncate(name, size2);
1501 asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2)
1509 retval = sys_ftruncate(fd, size2);
1515 asmlinkage int irix_mmap64(struct pt_regs *regs)
1517 int len, prot, flags, fd, off1, off2, error, base = 0;
1518 unsigned long addr, pgoff, *sp;
1519 struct file *file = NULL;
1521 if (regs->regs[2] == 1000)
1523 sp = (unsigned long *) (regs->regs[29] + 16);
1524 addr = regs->regs[base + 4];
1525 len = regs->regs[base + 5];
1526 prot = regs->regs[base + 6];
1528 flags = regs->regs[base + 7];
1529 error = verify_area(VERIFY_READ, sp, (4 * sizeof(unsigned long)));
1533 __get_user(off1, &sp[1]);
1534 __get_user(off2, &sp[2]);
1536 error = verify_area(VERIFY_READ, sp, (5 * sizeof(unsigned long)));
1539 __get_user(flags, &sp[0]);
1540 __get_user(fd, &sp[1]);
1541 __get_user(off1, &sp[2]);
1542 __get_user(off2, &sp[3]);
1545 if (off1 & PAGE_MASK) {
1550 pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
1552 if (!(flags & MAP_ANONYMOUS)) {
1553 if (!(file = fget(fd))) {
1558 /* Ok, bad taste hack follows, try to think in something else
1559 when reading this */
1560 if (flags & IRIX_MAP_AUTOGROW) {
1561 unsigned long old_pos;
1562 long max_size = off2 + len;
1564 if (max_size > file->f_dentry->d_inode->i_size) {
1565 old_pos = sys_lseek (fd, max_size - 1, 0);
1566 sys_write (fd, "", 1);
1567 sys_lseek (fd, old_pos, 0);
1572 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1574 down_write(¤t->mm->mmap_sem);
1575 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
1576 up_write(¤t->mm->mmap_sem);
1585 asmlinkage int irix_dmi(struct pt_regs *regs)
1587 printk("[%s:%d] Wheee.. irix_dmi()\n",
1588 current->comm, current->pid);
1593 asmlinkage int irix_pread(int fd, char *buf, int cnt, int off64,
1596 printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
1597 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1602 asmlinkage int irix_pwrite(int fd, char *buf, int cnt, int off64,
1605 printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
1606 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1611 asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1,
1612 unsigned long arg2, unsigned long arg3,
1613 unsigned long arg4, unsigned long arg5)
1615 printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx,"
1617 current->comm, current->pid, cmd, arg0, arg1, arg2,
1623 struct irix_statvfs64 {
1624 u32 f_bsize; u32 f_frsize;
1625 u64 f_blocks; u64 f_bfree; u64 f_bavail;
1626 u64 f_files; u64 f_ffree; u64 f_favail;
1628 char f_basetype[16];
1629 u32 f_flag; u32 f_namemax;
1634 asmlinkage int irix_statvfs64(char *fname, struct irix_statvfs64 *buf)
1636 struct nameidata nd;
1637 struct kstatfs kbuf;
1640 printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
1641 current->comm, current->pid, fname, buf);
1642 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1645 error = user_path_walk(fname, &nd);
1648 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1652 __put_user(kbuf.f_bsize, &buf->f_bsize);
1653 __put_user(kbuf.f_frsize, &buf->f_frsize);
1654 __put_user(kbuf.f_blocks, &buf->f_blocks);
1655 __put_user(kbuf.f_bfree, &buf->f_bfree);
1656 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1657 __put_user(kbuf.f_files, &buf->f_files);
1658 __put_user(kbuf.f_ffree, &buf->f_ffree);
1659 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1661 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1663 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1665 for(i = 0; i < 16; i++)
1666 __put_user(0, &buf->f_basetype[i]);
1667 __put_user(0, &buf->f_flag);
1668 __put_user(kbuf.f_namelen, &buf->f_namemax);
1669 for(i = 0; i < 32; i++)
1670 __put_user(0, &buf->f_fstr[i]);
1680 asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs *buf)
1682 struct kstatfs kbuf;
1686 printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
1687 current->comm, current->pid, fd, buf);
1689 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1692 if (!(file = fget(fd))) {
1696 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1700 __put_user(kbuf.f_bsize, &buf->f_bsize);
1701 __put_user(kbuf.f_frsize, &buf->f_frsize);
1702 __put_user(kbuf.f_blocks, &buf->f_blocks);
1703 __put_user(kbuf.f_bfree, &buf->f_bfree);
1704 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1705 __put_user(kbuf.f_files, &buf->f_files);
1706 __put_user(kbuf.f_ffree, &buf->f_ffree);
1707 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1709 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1711 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1713 for(i = 0; i < 16; i++)
1714 __put_user(0, &buf->f_basetype[i]);
1715 __put_user(0, &buf->f_flag);
1716 __put_user(kbuf.f_namelen, &buf->f_namemax);
1717 __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i]));
1725 asmlinkage int irix_getmountid(char *fname, unsigned long *midbuf)
1729 printk("[%s:%d] irix_getmountid(%s, %p)\n",
1730 current->comm, current->pid, fname, midbuf);
1731 err = verify_area(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4));
1736 * The idea with this system call is that when trying to determine
1737 * 'pwd' and it's a toss-up for some reason, userland can use the
1738 * fsid of the filesystem to try and make the right decision, but
1739 * we don't have this so for now. XXX
1741 err |= __put_user(0, &midbuf[0]);
1742 err |= __put_user(0, &midbuf[1]);
1743 err |= __put_user(0, &midbuf[2]);
1744 err |= __put_user(0, &midbuf[3]);
1749 asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask,
1750 unsigned long arg, unsigned long sp, int slen)
1752 printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n",
1753 current->comm, current->pid, entry, mask, arg, sp, slen);
1758 #undef DEBUG_GETDENTS
1760 struct irix_dirent32 {
1763 unsigned short d_reclen;
1767 struct irix_dirent32_callback {
1768 struct irix_dirent32 *current_dir;
1769 struct irix_dirent32 *previous;
1774 #define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
1775 #define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
1777 static int irix_filldir32(void *__buf, const char *name, int namlen,
1778 loff_t offset, ino_t ino, unsigned int d_type)
1780 struct irix_dirent32 *dirent;
1781 struct irix_dirent32_callback *buf =
1782 (struct irix_dirent32_callback *)__buf;
1783 unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
1785 #ifdef DEBUG_GETDENTS
1786 printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
1787 reclen, namlen, buf->count);
1789 buf->error = -EINVAL; /* only used if we fail.. */
1790 if (reclen > buf->count)
1792 dirent = buf->previous;
1794 __put_user(offset, &dirent->d_off);
1795 dirent = buf->current_dir;
1796 buf->previous = dirent;
1797 __put_user(ino, &dirent->d_ino);
1798 __put_user(reclen, &dirent->d_reclen);
1799 copy_to_user(dirent->d_name, name, namlen);
1800 __put_user(0, &dirent->d_name[namlen]);
1801 ((char *) dirent) += reclen;
1802 buf->current_dir = dirent;
1803 buf->count -= reclen;
1808 asmlinkage int irix_ngetdents(unsigned int fd, void * dirent,
1809 unsigned int count, int *eob)
1812 struct irix_dirent32 *lastdirent;
1813 struct irix_dirent32_callback buf;
1816 #ifdef DEBUG_GETDENTS
1817 printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm,
1818 current->pid, fd, dirent, count, eob);
1825 buf.current_dir = (struct irix_dirent32 *) dirent;
1826 buf.previous = NULL;
1830 error = vfs_readdir(file, irix_filldir32, &buf);
1835 lastdirent = buf.previous;
1837 put_user(file->f_pos, &lastdirent->d_off);
1838 error = count - buf.count;
1841 if (put_user(0, eob) < 0) {
1846 #ifdef DEBUG_GETDENTS
1847 printk("eob=%d returning %d\n", *eob, count - buf.count);
1849 error = count - buf.count;
1857 struct irix_dirent64 {
1860 unsigned short d_reclen;
1864 struct irix_dirent64_callback {
1865 struct irix_dirent64 *curr;
1866 struct irix_dirent64 *previous;
1871 #define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
1872 #define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
1874 static int irix_filldir64(void * __buf, const char * name, int namlen,
1875 loff_t offset, ino_t ino, unsigned int d_type)
1877 struct irix_dirent64 *dirent;
1878 struct irix_dirent64_callback * buf =
1879 (struct irix_dirent64_callback *) __buf;
1880 unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
1882 buf->error = -EINVAL; /* only used if we fail.. */
1883 if (reclen > buf->count)
1885 dirent = buf->previous;
1887 __put_user(offset, &dirent->d_off);
1889 buf->previous = dirent;
1890 __put_user(ino, &dirent->d_ino);
1891 __put_user(reclen, &dirent->d_reclen);
1892 __copy_to_user(dirent->d_name, name, namlen);
1893 __put_user(0, &dirent->d_name[namlen]);
1894 ((char *) dirent) += reclen;
1896 buf->count -= reclen;
1901 asmlinkage int irix_getdents64(int fd, void *dirent, int cnt)
1904 struct irix_dirent64 *lastdirent;
1905 struct irix_dirent64_callback buf;
1908 #ifdef DEBUG_GETDENTS
1909 printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm,
1910 current->pid, fd, dirent, cnt);
1913 if (!(file = fget(fd)))
1917 if (!access_ok(VERIFY_WRITE, dirent, cnt))
1921 if (cnt < (sizeof(struct irix_dirent64) + 255))
1924 buf.curr = (struct irix_dirent64 *) dirent;
1925 buf.previous = NULL;
1928 error = vfs_readdir(file, irix_filldir64, &buf);
1931 lastdirent = buf.previous;
1936 lastdirent->d_off = (u64) file->f_pos;
1937 #ifdef DEBUG_GETDENTS
1938 printk("returning %d\n", cnt - buf.count);
1940 error = cnt - buf.count;
1948 asmlinkage int irix_ngetdents64(int fd, void *dirent, int cnt, int *eob)
1951 struct irix_dirent64 *lastdirent;
1952 struct irix_dirent64_callback buf;
1955 #ifdef DEBUG_GETDENTS
1956 printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm,
1957 current->pid, fd, dirent, cnt);
1960 if (!(file = fget(fd)))
1964 if (!access_ok(VERIFY_WRITE, dirent, cnt) ||
1965 !access_ok(VERIFY_WRITE, eob, sizeof(*eob)))
1969 if (cnt < (sizeof(struct irix_dirent64) + 255))
1973 buf.curr = (struct irix_dirent64 *) dirent;
1974 buf.previous = NULL;
1977 error = vfs_readdir(file, irix_filldir64, &buf);
1980 lastdirent = buf.previous;
1985 lastdirent->d_off = (u64) file->f_pos;
1986 #ifdef DEBUG_GETDENTS
1987 printk("eob=%d returning %d\n", *eob, cnt - buf.count);
1989 error = cnt - buf.count;
1997 asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg)
2004 printk("[%s:%d] irix_uadmin: Wants to reboot...\n",
2005 current->comm, current->pid);
2011 printk("[%s:%d] irix_uadmin: Wants to shutdown...\n",
2012 current->comm, current->pid);
2018 printk("[%s:%d] irix_uadmin: Wants to remount root...\n",
2019 current->comm, current->pid);
2024 /* Kill all tasks. */
2025 printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n",
2026 current->comm, current->pid);
2031 /* Set magic mushrooms... */
2032 printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n",
2033 current->comm, current->pid, (int) func);
2038 printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n",
2039 current->comm, current->pid, (int) op);
2048 asmlinkage int irix_utssys(char *inbuf, int arg, int type, char *outbuf)
2055 retval = irix_uname((struct iuname *)inbuf);
2060 printk("[%s:%d] irix_utssys: Wants to do ustat()\n",
2061 current->comm, current->pid);
2067 printk("[%s:%d] irix_utssys: Wants to do fusers()\n",
2068 current->comm, current->pid);
2073 printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n",
2074 current->comm, current->pid, (int) type);
2085 #define IRIX_F_ALLOCSP 10
2087 asmlinkage int irix_fcntl(int fd, int cmd, int arg)
2092 printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm,
2093 current->pid, fd, cmd, arg);
2095 if (cmd == IRIX_F_ALLOCSP){
2098 retval = sys_fcntl(fd, cmd, arg);
2100 printk("%d\n", retval);
2105 asmlinkage int irix_ulimit(int cmd, int arg)
2111 printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n",
2112 current->comm, current->pid);
2117 printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n",
2118 current->comm, current->pid);
2123 printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n",
2124 current->comm, current->pid);
2130 printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n",
2131 current->comm, current->pid);
2135 retval = current->rlim[RLIMIT_NOFILE].rlim_cur;
2139 printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n",
2140 current->comm, current->pid);
2145 printk("[%s:%d] irix_ulimit: Unknown command [%d].\n",
2146 current->comm, current->pid, cmd);
2154 asmlinkage int irix_unimp(struct pt_regs *regs)
2156 printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx "
2157 "a3=%08lx\n", current->comm, current->pid,
2158 (int) regs->regs[2], (int) regs->regs[3],
2159 regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);