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>
33 #include <asm/ptrace.h>
35 #include <asm/pgalloc.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 asmlinkage int sys_setpgid(pid_t pid, pid_t pgid);
239 extern void sys_sync(void);
240 extern asmlinkage int sys_getsid(pid_t pid);
241 extern asmlinkage long sys_write (unsigned int fd, const char *buf, unsigned long count);
242 extern asmlinkage long sys_lseek (unsigned int fd, off_t offset, unsigned int origin);
243 extern asmlinkage int sys_getgroups(int gidsetsize, gid_t *grouplist);
244 extern asmlinkage int sys_setgroups(int gidsetsize, gid_t *grouplist);
245 extern int getrusage(struct task_struct *p, int who, struct rusage *ru);
246 extern char *prom_getenv(char *name);
247 extern long prom_setenv(char *name, char *value);
249 /* The syssgi commands supported thus far. */
250 #define SGI_SYSID 1 /* Return unique per-machine identifier. */
251 #define SGI_INVENT 5 /* Fetch inventory */
252 # define SGI_INV_SIZEOF 1
253 # define SGI_INV_READ 2
254 #define SGI_RDNAME 6 /* Return string name of a process. */
255 #define SGI_SETNVRAM 8 /* Set PROM variable. */
256 #define SGI_GETNVRAM 9 /* Get PROM variable. */
257 #define SGI_SETPGID 21 /* Set process group id. */
258 #define SGI_SYSCONF 22 /* POSIX sysconf garbage. */
259 #define SGI_PATHCONF 24 /* POSIX sysconf garbage. */
260 #define SGI_SETGROUPS 40 /* POSIX sysconf garbage. */
261 #define SGI_GETGROUPS 41 /* POSIX sysconf garbage. */
262 #define SGI_RUSAGE 56 /* BSD style rusage(). */
263 #define SGI_SSYNC 62 /* Synchronous fs sync. */
264 #define SGI_GETSID 65 /* SysVr4 get session id. */
265 #define SGI_ELFMAP 68 /* Map an elf image. */
266 #define SGI_TOSSTSAVE 108 /* Toss saved vma's. */
267 #define SGI_FP_BCOPY 129 /* Should FPU bcopy be used on this machine? */
268 #define SGI_PHYSP 1011 /* Translate virtual into physical page. */
270 asmlinkage int irix_syssgi(struct pt_regs *regs)
273 int retval, base = 0;
275 if (regs->regs[2] == 1000)
278 cmd = regs->regs[base + 4];
281 char *buf = (char *) regs->regs[base + 5];
283 /* XXX Use ethernet addr.... */
284 retval = clear_user(buf, 64);
289 int pid = (int) regs->regs[base + 5];
290 char *buf = (char *) regs->regs[base + 6];
291 struct task_struct *p;
294 retval = verify_area(VERIFY_WRITE, buf, 16);
297 read_lock(&tasklist_lock);
298 p = find_task_by_pid(pid);
300 read_unlock(&tasklist_lock);
304 memcpy(comm, p->comm, 16);
305 read_unlock(&tasklist_lock);
307 /* XXX Need to check sizes. */
308 copy_to_user(buf, p->comm, 16);
314 char *name = (char *) regs->regs[base+5];
315 char *buf = (char *) regs->regs[base+6];
317 return -EINVAL; /* til I fix it */
318 retval = verify_area(VERIFY_WRITE, buf, 128);
321 value = prom_getenv(name); /* PROM lock? */
326 /* Do I strlen() for the length? */
327 copy_to_user(buf, value, 128);
333 char *name = (char *) regs->regs[base+5];
334 char *value = (char *) regs->regs[base+6];
335 return -EINVAL; /* til I fix it */
336 retval = prom_setenv(name, value);
337 /* XXX make sure retval conforms to syssgi(2) */
338 printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d",
339 current->comm, current->pid, name, value, retval);
340 /* if (retval == PROM_ENOENT)
347 #ifdef DEBUG_PROCGRPS
348 printk("[%s:%d] setpgid(%d, %d) ",
349 current->comm, current->pid,
350 (int) regs->regs[base + 5], (int)regs->regs[base + 6]);
352 retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]);
354 #ifdef DEBUG_PROCGRPS
355 printk("retval=%d\n", retval);
360 switch(regs->regs[base + 5]) {
362 retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */
365 retval = max_threads;
409 retval = sys_setgroups((int) regs->regs[base + 5],
410 (gid_t *) regs->regs[base + 6]);
414 retval = sys_getgroups((int) regs->regs[base + 5],
415 (gid_t *) regs->regs[base + 6]);
419 struct rusage *ru = (struct rusage *) regs->regs[base + 6];
421 switch((int) regs->regs[base + 5]) {
424 retval = getrusage(current, RUSAGE_SELF, ru);
428 /* rusage children */
429 retval = getrusage(current, RUSAGE_CHILDREN, ru);
444 #ifdef DEBUG_PROCGRPS
445 printk("[%s:%d] getsid(%d) ", current->comm, current->pid,
446 (int) regs->regs[base + 5]);
448 retval = sys_getsid(regs->regs[base + 5]);
449 #ifdef DEBUG_PROCGRPS
450 printk("retval=%d\n", retval);
455 retval = irix_mapelf((int) regs->regs[base + 5],
456 (struct elf_phdr *) regs->regs[base + 6],
457 (int) regs->regs[base + 7]);
461 /* XXX We don't need to do anything? */
470 unsigned long addr = regs->regs[base + 5];
471 int *pageno = (int *) (regs->regs[base + 6]);
472 struct mm_struct *mm = current->mm;
477 retval = verify_area(VERIFY_WRITE, pageno, sizeof(int));
481 down_read(&mm->mmap_sem);
482 pgdp = pgd_offset(mm, addr);
483 pmdp = pmd_offset(pgdp, addr);
484 ptep = pte_offset(pmdp, addr);
489 if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
490 retval = put_user((pte_val(pte) & PAGE_MASK) >>
494 up_read(&mm->mmap_sem);
499 int arg1 = (int) regs->regs [base + 5];
500 void *buffer = (void *) regs->regs [base + 6];
501 int count = (int) regs->regs [base + 7];
505 retval = sizeof (inventory_t);
508 retval = dump_inventory_to_user (buffer, count);
517 printk("irix_syssgi: Unsupported command %d\n", (int)cmd);
526 asmlinkage int irix_gtime(struct pt_regs *regs)
528 return get_seconds();
532 * IRIX is completely broken... it returns 0 on success, otherwise
535 asmlinkage int irix_brk(unsigned long brk)
538 unsigned long newbrk, oldbrk;
539 struct mm_struct *mm = current->mm;
542 down_write(&mm->mmap_sem);
543 if (brk < mm->end_code) {
548 newbrk = PAGE_ALIGN(brk);
549 oldbrk = PAGE_ALIGN(mm->brk);
550 if (oldbrk == newbrk) {
557 * Always allow shrinking brk
559 if (brk <= mm->brk) {
561 do_munmap(mm, newbrk, oldbrk-newbrk);
566 * Check against rlimit and stack..
568 rlim = current->rlim[RLIMIT_DATA].rlim_cur;
569 if (rlim >= RLIM_INFINITY)
571 if (brk - mm->end_code > rlim) {
577 * Check against existing mmap mappings.
579 if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) {
585 * Check if we have enough memory..
587 if (security_vm_enough_memory((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)
624 if (!capable(CAP_SYS_TIME))
627 write_seqlock_irq(&xtime_lock);
628 xtime.tv_sec = value;
630 time_adjust = 0; /* stop active adjtime() */
631 time_status |= STA_UNSYNC;
632 time_maxerror = NTP_PHASE_LIMIT;
633 time_esterror = NTP_PHASE_LIMIT;
634 write_sequnlock_irq(&xtime_lock);
639 static inline void jiffiestotv(unsigned long jiffies, struct timeval *value)
641 value->tv_usec = (jiffies % HZ) * (1000000 / HZ);
642 value->tv_sec = jiffies / HZ;
645 static inline void getitimer_real(struct itimerval *value)
647 register unsigned long val, interval;
649 interval = current->it_real_incr;
651 if (del_timer(¤t->real_timer)) {
652 unsigned long now = jiffies;
653 val = current->real_timer.expires;
654 add_timer(¤t->real_timer);
655 /* look out for negative/zero itimer.. */
660 jiffiestotv(val, &value->it_value);
661 jiffiestotv(interval, &value->it_interval);
664 asmlinkage unsigned int irix_alarm(unsigned int seconds)
666 struct itimerval it_new, it_old;
667 unsigned int oldalarm;
670 getitimer_real(&it_old);
671 del_timer(¤t->real_timer);
673 it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0;
674 it_new.it_value.tv_sec = seconds;
675 it_new.it_value.tv_usec = 0;
676 do_setitimer(ITIMER_REAL, &it_new, &it_old);
678 oldalarm = it_old.it_value.tv_sec;
680 * ehhh.. We can't return 0 if we have an alarm pending ...
681 * And we'd better return too much than too little anyway
683 if (it_old.it_value.tv_usec)
689 asmlinkage int irix_pause(void)
691 current->state = TASK_INTERRUPTIBLE;
697 extern asmlinkage long sys_mount(char * dev_name, char * dir_name, char * type,
698 unsigned long new_flags, void * data);
700 /* XXX need more than this... */
701 asmlinkage int irix_mount(char *dev_name, char *dir_name, unsigned long flags,
702 char *type, void *data, int datalen)
704 printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
705 current->comm, current->pid,
706 dev_name, dir_name, flags, type, data, datalen);
708 return sys_mount(dev_name, dir_name, type, flags, data);
713 long f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree;
714 char f_fname[6], f_fpack[6];
717 asmlinkage int irix_statfs(const char *path, struct irix_statfs *buf,
718 int len, int fs_type)
724 /* We don't support this feature yet. */
729 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statfs));
732 error = user_path_walk(path, &nd);
736 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
740 __put_user(kbuf.f_type, &buf->f_type);
741 __put_user(kbuf.f_bsize, &buf->f_bsize);
742 __put_user(kbuf.f_frsize, &buf->f_frsize);
743 __put_user(kbuf.f_blocks, &buf->f_blocks);
744 __put_user(kbuf.f_bfree, &buf->f_bfree);
745 __put_user(kbuf.f_files, &buf->f_files);
746 __put_user(kbuf.f_ffree, &buf->f_ffree);
747 for (i = 0; i < 6; i++) {
748 __put_user(0, &buf->f_fname[i]);
749 __put_user(0, &buf->f_fpack[i]);
759 asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs *buf)
765 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statfs));
768 if (!(file = fget(fd))) {
773 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
777 __put_user(kbuf.f_type, &buf->f_type);
778 __put_user(kbuf.f_bsize, &buf->f_bsize);
779 __put_user(kbuf.f_frsize, &buf->f_frsize);
780 __put_user(kbuf.f_blocks, &buf->f_blocks);
781 __put_user(kbuf.f_bfree, &buf->f_bfree);
782 __put_user(kbuf.f_files, &buf->f_files);
783 __put_user(kbuf.f_ffree, &buf->f_ffree);
784 for(i = 0; i < 6; i++) {
785 __put_user(0, &buf->f_fname[i]);
786 __put_user(0, &buf->f_fpack[i]);
795 extern asmlinkage int sys_setpgid(pid_t pid, pid_t pgid);
796 extern asmlinkage int sys_setsid(void);
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->cutime, &tbuf->tms_cutime);
827 err |= __put_user(current->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 extern asmlinkage int sys_socket(int family, int type, int protocol);
888 asmlinkage int irix_socket(int family, int type, int protocol)
900 type = 9; /* Invalid... */
912 type = SOCK_SEQPACKET;
919 return sys_socket(family, type, protocol);
922 asmlinkage int irix_getdomainname(char *name, int len)
926 error = verify_area(VERIFY_WRITE, name, len);
931 if(len > (__NEW_UTS_LEN - 1))
932 len = __NEW_UTS_LEN - 1;
934 if (copy_to_user(name, system_utsname.domainname, len))
941 asmlinkage unsigned long irix_getpagesize(void)
946 asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
947 unsigned long arg2, unsigned long arg3,
952 return sys_msgget((key_t) arg0, (int) arg1);
954 return sys_msgctl((int) arg0, (int) arg1, (struct msqid_ds *)arg2);
956 return sys_msgrcv((int) arg0, (struct msgbuf *) arg1,
957 (size_t) arg2, (long) arg3, (int) arg4);
959 return sys_msgsnd((int) arg0, (struct msgbuf *) arg1,
960 (size_t) arg2, (int) arg3);
966 asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
967 unsigned long arg2, unsigned long arg3)
971 return sys_shmat((int) arg0, (char *)arg1, (int) arg2,
972 (unsigned long *) arg3);
974 return sys_shmctl((int)arg0, (int)arg1, (struct shmid_ds *)arg2);
976 return sys_shmdt((char *)arg0);
978 return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
984 asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
985 unsigned long arg2, int arg3)
989 return sys_semctl((int) arg0, (int) arg1, (int) arg2,
992 return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
994 return sys_semop((int) arg0, (struct sembuf *)arg1,
995 (unsigned int) arg2);
1001 static inline loff_t llseek(struct file *file, loff_t offset, int origin)
1003 loff_t (*fn)(struct file *, loff_t, int);
1006 fn = default_llseek;
1007 if (file->f_op && file->f_op->llseek)
1008 fn = file->f_op->llseek;
1010 retval = fn(file, offset, origin);
1015 asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
1030 offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin);
1031 retval = (int) offset;
1039 asmlinkage int irix_sginap(int ticks)
1041 current->state = TASK_INTERRUPTIBLE;
1042 schedule_timeout(ticks);
1046 asmlinkage int irix_sgikopt(char *istring, char *ostring, int len)
1051 asmlinkage int irix_gettimeofday(struct timeval *tv)
1057 if (verify_area(VERIFY_WRITE, tv, sizeof(struct timeval)))
1061 seq = read_seqbegin(&xtime_lock);
1063 nsec = xtime.tv_nsec;
1064 } while (read_seqretry(&xtime_lock, seq));
1066 err = __put_user(sec, &tv->tv_sec);
1067 err |= __put_user((nsec / 1000), &tv->tv_usec);
1072 #define IRIX_MAP_AUTOGROW 0x40
1074 asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
1075 int flags, int fd, off_t offset)
1077 struct file *file = NULL;
1078 unsigned long retval;
1080 if (!(flags & MAP_ANONYMOUS)) {
1081 if (!(file = fget(fd)))
1084 /* Ok, bad taste hack follows, try to think in something else
1085 * when reading this. */
1086 if (flags & IRIX_MAP_AUTOGROW) {
1087 unsigned long old_pos;
1088 long max_size = offset + len;
1090 if (max_size > file->f_dentry->d_inode->i_size) {
1091 old_pos = sys_lseek (fd, max_size - 1, 0);
1092 sys_write (fd, "", 1);
1093 sys_lseek (fd, old_pos, 0);
1098 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1100 down_write(¤t->mm->mmap_sem);
1101 retval = do_mmap(file, addr, len, prot, flags, offset);
1102 up_write(¤t->mm->mmap_sem);
1109 asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
1111 printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n",
1112 current->comm, current->pid, addr, len, behavior);
1117 asmlinkage int irix_pagelock(char *addr, int len, int op)
1119 printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
1120 current->comm, current->pid, addr, len, op);
1125 asmlinkage int irix_quotactl(struct pt_regs *regs)
1127 printk("[%s:%d] Wheee.. irix_quotactl()\n",
1128 current->comm, current->pid);
1133 asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
1137 #ifdef DEBUG_PROCGRPS
1138 printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid,
1144 /* Wheee, weird sysv thing... */
1145 if ((pgrp == 0) && (pid == current->pid))
1146 error = sys_setsid();
1148 error = sys_setpgid(pid, pgrp);
1150 #ifdef DEBUG_PROCGRPS
1151 printk("error = %d\n", error);
1157 asmlinkage int irix_systeminfo(int cmd, char *buf, int cnt)
1159 printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
1160 current->comm, current->pid, cmd, buf, cnt);
1166 char sysname[257], nodename[257], release[257];
1167 char version[257], machine[257];
1168 char m_type[257], base_rel[257];
1169 char _unused0[257], _unused1[257], _unused2[257];
1170 char _unused3[257], _unused4[257], _unused5[257];
1173 asmlinkage int irix_uname(struct iuname *buf)
1175 down_read(&uts_sem);
1176 if (copy_to_user(system_utsname.sysname, buf->sysname, 65)
1177 || copy_to_user(system_utsname.nodename, buf->nodename, 65)
1178 || copy_to_user(system_utsname.release, buf->release, 65)
1179 || copy_to_user(system_utsname.version, buf->version, 65)
1180 || copy_to_user(system_utsname.machine, buf->machine, 65)) {
1190 static int irix_xstat32_xlate(struct kstat *stat, void *ubuf)
1193 u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
1194 u32 st_rdev, st_pad2[2], st_size, st_pad3;
1195 u32 st_atime0, st_atime1;
1196 u32 st_mtime0, st_mtime1;
1197 u32 st_ctime0, st_ctime1;
1198 u32 st_blksize, st_blocks;
1203 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1205 ub.st_dev = sysv_encode_dev(stat->dev);
1206 ub.st_ino = stat->ino;
1207 ub.st_mode = stat->mode;
1208 ub.st_nlink = stat->nlink;
1209 SET_STAT_UID(ub, stat->uid);
1210 SET_STAT_GID(ub, stat->gid);
1211 ub.st_rdev = sysv_encode_dev(stat->rdev);
1212 #if BITS_PER_LONG == 32
1213 if (stat->size > MAX_NON_LFS)
1216 ub.st_size = stat->size;
1217 ub.st_atime0 = stat->atime.tv_sec;
1218 ub.st_atime1 = stat->atime.tv_nsec;
1219 ub.st_mtime0 = stat->mtime.tv_sec;
1220 ub.st_mtime1 = stat->atime.tv_nsec;
1221 ub.st_ctime0 = stat->ctime.tv_sec;
1222 ub.st_ctime1 = stat->atime.tv_nsec;
1223 ub.st_blksize = stat->blksize;
1224 ub.st_blocks = stat->blocks;
1225 strcpy (ub.st_fstype, "efs");
1227 return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
1230 static int irix_xstat64_xlate(struct kstat *stat, void *ubuf)
1233 u32 st_dev; s32 st_pad1[3];
1234 unsigned long long st_ino;
1236 u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev;
1240 struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime;
1242 long long st_blocks;
1247 if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
1250 ks.st_dev = sysv_encode_dev(stat->dev);
1251 ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0;
1252 ks.st_ino = (unsigned long long) stat->ino;
1253 ks.st_mode = (u32) stat->mode;
1254 ks.st_nlink = (u32) stat->nlink;
1255 ks.st_uid = (s32) stat->uid;
1256 ks.st_gid = (s32) stat->gid;
1257 ks.st_rdev = sysv_encode_dev (stat->rdev);
1258 ks.st_pad2[0] = ks.st_pad2[1] = 0;
1259 ks.st_size = (long long) stat->size;
1262 /* XXX hackety hack... */
1263 ks.st_atime.tv_sec = (s32) stat->atime.tv_sec;
1264 ks.st_atime.tv_nsec = stat->atime.tv_nsec;
1265 ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec;
1266 ks.st_mtime.tv_nsec = stat->mtime.tv_nsec;;
1267 ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec;
1268 ks.st_ctime.tv_nsec = stat->ctime.tv_nsec;;
1270 ks.st_blksize = (s32) stat->blksize;
1271 ks.st_blocks = (long long) stat->blocks;
1272 memset(ks.st_fstype, 0, 16);
1273 ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0;
1274 ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0;
1276 /* Now write it all back. */
1277 return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
1280 asmlinkage int irix_xstat(int version, char *filename, struct stat *statbuf)
1286 printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ",
1287 current->comm, current->pid, version, filename, statbuf);
1290 retval = vfs_stat(filename, &stat);
1294 retval = irix_xstat32_xlate(&stat, statbuf);
1297 retval = irix_xstat64_xlate(&stat, statbuf);
1306 asmlinkage int irix_lxstat(int version, char *filename, struct stat *statbuf)
1312 printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ",
1313 current->comm, current->pid, version, filename, statbuf);
1316 error = vfs_lstat(filename, &stat);
1321 error = irix_xstat32_xlate(&stat, statbuf);
1324 error = irix_xstat64_xlate(&stat, statbuf);
1333 asmlinkage int irix_fxstat(int version, int fd, struct stat *statbuf)
1339 printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ",
1340 current->comm, current->pid, version, fd, statbuf);
1343 error = vfs_fstat(fd, &stat);
1347 error = irix_xstat32_xlate(&stat, statbuf);
1350 error = irix_xstat64_xlate(&stat, statbuf);
1359 extern asmlinkage int sys_mknod(const char * filename, int mode, unsigned dev);
1361 asmlinkage int irix_xmknod(int ver, char *filename, int mode, unsigned dev)
1364 printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
1365 current->comm, current->pid, ver, filename, mode, dev);
1369 /* shouldn't we convert here as well as on stat()? */
1370 retval = sys_mknod(filename, mode, dev);
1381 asmlinkage int irix_swapctl(int cmd, char *arg)
1383 printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
1384 current->comm, current->pid, cmd, arg);
1389 struct irix_statvfs {
1390 u32 f_bsize; u32 f_frsize; u32 f_blocks;
1391 u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail;
1392 u32 f_fsid; char f_basetype[16];
1393 u32 f_flag; u32 f_namemax;
1394 char f_fstr[32]; u32 f_filler[16];
1397 asmlinkage int irix_statvfs(char *fname, struct irix_statvfs *buf)
1399 struct nameidata nd;
1400 struct kstatfs kbuf;
1403 printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
1404 current->comm, current->pid, fname, buf);
1405 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1408 error = user_path_walk(fname, &nd);
1411 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1415 __put_user(kbuf.f_bsize, &buf->f_bsize);
1416 __put_user(kbuf.f_frsize, &buf->f_frsize);
1417 __put_user(kbuf.f_blocks, &buf->f_blocks);
1418 __put_user(kbuf.f_bfree, &buf->f_bfree);
1419 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1420 __put_user(kbuf.f_files, &buf->f_files);
1421 __put_user(kbuf.f_ffree, &buf->f_ffree);
1422 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1424 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1426 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1428 for (i = 0; i < 16; i++)
1429 __put_user(0, &buf->f_basetype[i]);
1430 __put_user(0, &buf->f_flag);
1431 __put_user(kbuf.f_namelen, &buf->f_namemax);
1432 for (i = 0; i < 32; i++)
1433 __put_user(0, &buf->f_fstr[i]);
1443 asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs *buf)
1445 struct kstatfs kbuf;
1449 printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
1450 current->comm, current->pid, fd, buf);
1452 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1455 if (!(file = fget(fd))) {
1459 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1463 __put_user(kbuf.f_bsize, &buf->f_bsize);
1464 __put_user(kbuf.f_frsize, &buf->f_frsize);
1465 __put_user(kbuf.f_blocks, &buf->f_blocks);
1466 __put_user(kbuf.f_bfree, &buf->f_bfree);
1467 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1468 __put_user(kbuf.f_files, &buf->f_files);
1469 __put_user(kbuf.f_ffree, &buf->f_ffree);
1470 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1472 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1474 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1476 for(i = 0; i < 16; i++)
1477 __put_user(0, &buf->f_basetype[i]);
1478 __put_user(0, &buf->f_flag);
1479 __put_user(kbuf.f_namelen, &buf->f_namemax);
1480 __clear_user(&buf->f_fstr, sizeof(buf->f_fstr));
1488 asmlinkage int irix_priocntl(struct pt_regs *regs)
1490 printk("[%s:%d] Wheee.. irix_priocntl()\n",
1491 current->comm, current->pid);
1496 asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
1498 printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n",
1499 current->comm, current->pid, pid, sig, code, val);
1504 extern asmlinkage int sys_truncate(const char * path, unsigned long length);
1505 extern asmlinkage int sys_ftruncate(unsigned int fd, unsigned long length);
1507 asmlinkage int irix_truncate64(char *name, int pad, int size1, int size2)
1515 retval = sys_truncate(name, size2);
1521 asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2)
1529 retval = sys_ftruncate(fd, size2);
1535 extern asmlinkage unsigned long
1536 sys_mmap(unsigned long addr, size_t len, int prot, int flags, int fd,
1539 asmlinkage int irix_mmap64(struct pt_regs *regs)
1541 int len, prot, flags, fd, off1, off2, error, base = 0;
1542 unsigned long addr, pgoff, *sp;
1543 struct file *file = NULL;
1545 if (regs->regs[2] == 1000)
1547 sp = (unsigned long *) (regs->regs[29] + 16);
1548 addr = regs->regs[base + 4];
1549 len = regs->regs[base + 5];
1550 prot = regs->regs[base + 6];
1552 flags = regs->regs[base + 7];
1553 error = verify_area(VERIFY_READ, sp, (4 * sizeof(unsigned long)));
1557 __get_user(off1, &sp[1]);
1558 __get_user(off2, &sp[2]);
1560 error = verify_area(VERIFY_READ, sp, (5 * sizeof(unsigned long)));
1563 __get_user(flags, &sp[0]);
1564 __get_user(fd, &sp[1]);
1565 __get_user(off1, &sp[2]);
1566 __get_user(off2, &sp[3]);
1569 if (off1 & PAGE_MASK) {
1574 pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
1576 if (!(flags & MAP_ANONYMOUS)) {
1577 if (!(file = fget(fd))) {
1582 /* Ok, bad taste hack follows, try to think in something else
1583 when reading this */
1584 if (flags & IRIX_MAP_AUTOGROW) {
1585 unsigned long old_pos;
1586 long max_size = off2 + len;
1588 if (max_size > file->f_dentry->d_inode->i_size) {
1589 old_pos = sys_lseek (fd, max_size - 1, 0);
1590 sys_write (fd, "", 1);
1591 sys_lseek (fd, old_pos, 0);
1596 flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
1598 down_write(¤t->mm->mmap_sem);
1599 error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
1600 up_write(¤t->mm->mmap_sem);
1609 asmlinkage int irix_dmi(struct pt_regs *regs)
1611 printk("[%s:%d] Wheee.. irix_dmi()\n",
1612 current->comm, current->pid);
1617 asmlinkage int irix_pread(int fd, char *buf, int cnt, int off64,
1620 printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
1621 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1626 asmlinkage int irix_pwrite(int fd, char *buf, int cnt, int off64,
1629 printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
1630 current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
1635 asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1,
1636 unsigned long arg2, unsigned long arg3,
1637 unsigned long arg4, unsigned long arg5)
1639 printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx,"
1641 current->comm, current->pid, cmd, arg0, arg1, arg2,
1647 struct irix_statvfs64 {
1648 u32 f_bsize; u32 f_frsize;
1649 u64 f_blocks; u64 f_bfree; u64 f_bavail;
1650 u64 f_files; u64 f_ffree; u64 f_favail;
1652 char f_basetype[16];
1653 u32 f_flag; u32 f_namemax;
1658 asmlinkage int irix_statvfs64(char *fname, struct irix_statvfs64 *buf)
1660 struct nameidata nd;
1661 struct kstatfs kbuf;
1664 printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
1665 current->comm, current->pid, fname, buf);
1666 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1669 error = user_path_walk(fname, &nd);
1672 error = vfs_statfs(nd.dentry->d_inode->i_sb, &kbuf);
1676 __put_user(kbuf.f_bsize, &buf->f_bsize);
1677 __put_user(kbuf.f_frsize, &buf->f_frsize);
1678 __put_user(kbuf.f_blocks, &buf->f_blocks);
1679 __put_user(kbuf.f_bfree, &buf->f_bfree);
1680 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1681 __put_user(kbuf.f_files, &buf->f_files);
1682 __put_user(kbuf.f_ffree, &buf->f_ffree);
1683 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1685 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1687 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1689 for(i = 0; i < 16; i++)
1690 __put_user(0, &buf->f_basetype[i]);
1691 __put_user(0, &buf->f_flag);
1692 __put_user(kbuf.f_namelen, &buf->f_namemax);
1693 for(i = 0; i < 32; i++)
1694 __put_user(0, &buf->f_fstr[i]);
1704 asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs *buf)
1706 struct kstatfs kbuf;
1710 printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
1711 current->comm, current->pid, fd, buf);
1713 error = verify_area(VERIFY_WRITE, buf, sizeof(struct irix_statvfs));
1716 if (!(file = fget(fd))) {
1720 error = vfs_statfs(file->f_dentry->d_inode->i_sb, &kbuf);
1724 __put_user(kbuf.f_bsize, &buf->f_bsize);
1725 __put_user(kbuf.f_frsize, &buf->f_frsize);
1726 __put_user(kbuf.f_blocks, &buf->f_blocks);
1727 __put_user(kbuf.f_bfree, &buf->f_bfree);
1728 __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
1729 __put_user(kbuf.f_files, &buf->f_files);
1730 __put_user(kbuf.f_ffree, &buf->f_ffree);
1731 __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
1733 __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
1735 __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
1737 for(i = 0; i < 16; i++)
1738 __put_user(0, &buf->f_basetype[i]);
1739 __put_user(0, &buf->f_flag);
1740 __put_user(kbuf.f_namelen, &buf->f_namemax);
1741 __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i]));
1749 asmlinkage int irix_getmountid(char *fname, unsigned long *midbuf)
1753 printk("[%s:%d] irix_getmountid(%s, %p)\n",
1754 current->comm, current->pid, fname, midbuf);
1755 err = verify_area(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4));
1760 * The idea with this system call is that when trying to determine
1761 * 'pwd' and it's a toss-up for some reason, userland can use the
1762 * fsid of the filesystem to try and make the right decision, but
1763 * we don't have this so for now. XXX
1765 err |= __put_user(0, &midbuf[0]);
1766 err |= __put_user(0, &midbuf[1]);
1767 err |= __put_user(0, &midbuf[2]);
1768 err |= __put_user(0, &midbuf[3]);
1773 asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask,
1774 unsigned long arg, unsigned long sp, int slen)
1776 printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n",
1777 current->comm, current->pid, entry, mask, arg, sp, slen);
1782 #undef DEBUG_GETDENTS
1784 struct irix_dirent32 {
1787 unsigned short d_reclen;
1791 struct irix_dirent32_callback {
1792 struct irix_dirent32 *current_dir;
1793 struct irix_dirent32 *previous;
1798 #define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
1799 #define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
1801 static int irix_filldir32(void *__buf, const char *name, int namlen,
1802 loff_t offset, ino_t ino, unsigned int d_type)
1804 struct irix_dirent32 *dirent;
1805 struct irix_dirent32_callback *buf =
1806 (struct irix_dirent32_callback *)__buf;
1807 unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
1809 #ifdef DEBUG_GETDENTS
1810 printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
1811 reclen, namlen, buf->count);
1813 buf->error = -EINVAL; /* only used if we fail.. */
1814 if (reclen > buf->count)
1816 dirent = buf->previous;
1818 __put_user(offset, &dirent->d_off);
1819 dirent = buf->current_dir;
1820 buf->previous = dirent;
1821 __put_user(ino, &dirent->d_ino);
1822 __put_user(reclen, &dirent->d_reclen);
1823 copy_to_user(dirent->d_name, name, namlen);
1824 __put_user(0, &dirent->d_name[namlen]);
1825 ((char *) dirent) += reclen;
1826 buf->current_dir = dirent;
1827 buf->count -= reclen;
1832 asmlinkage int irix_ngetdents(unsigned int fd, void * dirent,
1833 unsigned int count, int *eob)
1836 struct irix_dirent32 *lastdirent;
1837 struct irix_dirent32_callback buf;
1840 #ifdef DEBUG_GETDENTS
1841 printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm,
1842 current->pid, fd, dirent, count, eob);
1849 buf.current_dir = (struct irix_dirent32 *) dirent;
1850 buf.previous = NULL;
1854 error = vfs_readdir(file, irix_filldir32, &buf);
1859 lastdirent = buf.previous;
1861 put_user(file->f_pos, &lastdirent->d_off);
1862 error = count - buf.count;
1865 if (put_user(0, eob) < 0) {
1870 #ifdef DEBUG_GETDENTS
1871 printk("eob=%d returning %d\n", *eob, count - buf.count);
1873 error = count - buf.count;
1881 struct irix_dirent64 {
1884 unsigned short d_reclen;
1888 struct irix_dirent64_callback {
1889 struct irix_dirent64 *curr;
1890 struct irix_dirent64 *previous;
1895 #define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
1896 #define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
1898 static int irix_filldir64(void * __buf, const char * name, int namlen,
1899 loff_t offset, ino_t ino, unsigned int d_type)
1901 struct irix_dirent64 *dirent;
1902 struct irix_dirent64_callback * buf =
1903 (struct irix_dirent64_callback *) __buf;
1904 unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
1906 buf->error = -EINVAL; /* only used if we fail.. */
1907 if (reclen > buf->count)
1909 dirent = buf->previous;
1911 __put_user(offset, &dirent->d_off);
1913 buf->previous = dirent;
1914 __put_user(ino, &dirent->d_ino);
1915 __put_user(reclen, &dirent->d_reclen);
1916 __copy_to_user(dirent->d_name, name, namlen);
1917 __put_user(0, &dirent->d_name[namlen]);
1918 ((char *) dirent) += reclen;
1920 buf->count -= reclen;
1925 asmlinkage int irix_getdents64(int fd, void *dirent, int cnt)
1928 struct irix_dirent64 *lastdirent;
1929 struct irix_dirent64_callback buf;
1932 #ifdef DEBUG_GETDENTS
1933 printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm,
1934 current->pid, fd, dirent, cnt);
1937 if (!(file = fget(fd)))
1941 if (!access_ok(VERIFY_WRITE, dirent, cnt))
1945 if (cnt < (sizeof(struct irix_dirent64) + 255))
1948 buf.curr = (struct irix_dirent64 *) dirent;
1949 buf.previous = NULL;
1952 error = vfs_readdir(file, irix_filldir64, &buf);
1955 lastdirent = buf.previous;
1960 lastdirent->d_off = (u64) file->f_pos;
1961 #ifdef DEBUG_GETDENTS
1962 printk("returning %d\n", cnt - buf.count);
1964 error = cnt - buf.count;
1972 asmlinkage int irix_ngetdents64(int fd, void *dirent, int cnt, int *eob)
1975 struct irix_dirent64 *lastdirent;
1976 struct irix_dirent64_callback buf;
1979 #ifdef DEBUG_GETDENTS
1980 printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm,
1981 current->pid, fd, dirent, cnt);
1984 if (!(file = fget(fd)))
1988 if (!access_ok(VERIFY_WRITE, dirent, cnt) ||
1989 !access_ok(VERIFY_WRITE, eob, sizeof(*eob)))
1993 if (cnt < (sizeof(struct irix_dirent64) + 255))
1997 buf.curr = (struct irix_dirent64 *) dirent;
1998 buf.previous = NULL;
2001 error = vfs_readdir(file, irix_filldir64, &buf);
2004 lastdirent = buf.previous;
2009 lastdirent->d_off = (u64) file->f_pos;
2010 #ifdef DEBUG_GETDENTS
2011 printk("eob=%d returning %d\n", *eob, cnt - buf.count);
2013 error = cnt - buf.count;
2021 asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg)
2028 printk("[%s:%d] irix_uadmin: Wants to reboot...\n",
2029 current->comm, current->pid);
2035 printk("[%s:%d] irix_uadmin: Wants to shutdown...\n",
2036 current->comm, current->pid);
2042 printk("[%s:%d] irix_uadmin: Wants to remount root...\n",
2043 current->comm, current->pid);
2048 /* Kill all tasks. */
2049 printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n",
2050 current->comm, current->pid);
2055 /* Set magic mushrooms... */
2056 printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n",
2057 current->comm, current->pid, (int) func);
2062 printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n",
2063 current->comm, current->pid, (int) op);
2072 asmlinkage int irix_utssys(char *inbuf, int arg, int type, char *outbuf)
2079 retval = irix_uname((struct iuname *)inbuf);
2084 printk("[%s:%d] irix_utssys: Wants to do ustat()\n",
2085 current->comm, current->pid);
2091 printk("[%s:%d] irix_utssys: Wants to do fusers()\n",
2092 current->comm, current->pid);
2097 printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n",
2098 current->comm, current->pid, (int) type);
2109 extern asmlinkage long sys_fcntl(unsigned int fd, unsigned int cmd,
2112 #define IRIX_F_ALLOCSP 10
2114 asmlinkage int irix_fcntl(int fd, int cmd, int arg)
2119 printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm,
2120 current->pid, fd, cmd, arg);
2122 if (cmd == IRIX_F_ALLOCSP){
2125 retval = sys_fcntl(fd, cmd, arg);
2127 printk("%d\n", retval);
2132 asmlinkage int irix_ulimit(int cmd, int arg)
2138 printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n",
2139 current->comm, current->pid);
2144 printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n",
2145 current->comm, current->pid);
2150 printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n",
2151 current->comm, current->pid);
2157 printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n",
2158 current->comm, current->pid);
2162 retval = current->rlim[RLIMIT_NOFILE].rlim_cur;
2166 printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n",
2167 current->comm, current->pid);
2172 printk("[%s:%d] irix_ulimit: Unknown command [%d].\n",
2173 current->comm, current->pid, cmd);
2181 asmlinkage int irix_unimp(struct pt_regs *regs)
2183 printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx "
2184 "a3=%08lx\n", current->comm, current->pid,
2185 (int) regs->regs[2], (int) regs->regs[3],
2186 regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);