[MIPS] IRIX: Goodbye and thanks for all the fish

Never terribly functional or popular, plagued by hard to fix bugs the time
to say goodbye has more than arrived.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 0 insertions, 2140 deletions

diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
deleted file mode 100644
index c357762b8012..000000000000
--- a/arch/mips/kernel/sysirix.c
+++ /dev/null
@@ -1,2140 +0,0 @@
-/*
- * sysirix.c: IRIX system call emulation.
- *
- * Copyright (C) 1996 David S. Miller
- * Copyright (C) 1997 Miguel de Icaza
- * Copyright (C) 1997, 1998, 1999, 2000 Ralf Baechle
- */
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/binfmts.h>
-#include <linux/capability.h>
-#include <linux/highuid.h>
-#include <linux/pagemap.h>
-#include <linux/mm.h>
-#include <linux/mman.h>
-#include <linux/slab.h>
-#include <linux/swap.h>
-#include <linux/errno.h>
-#include <linux/time.h>
-#include <linux/timex.h>
-#include <linux/times.h>
-#include <linux/elf.h>
-#include <linux/msg.h>
-#include <linux/shm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/utsname.h>
-#include <linux/file.h>
-#include <linux/vfs.h>
-#include <linux/namei.h>
-#include <linux/socket.h>
-#include <linux/security.h>
-#include <linux/syscalls.h>
-#include <linux/resource.h>
-
-#include <asm/ptrace.h>
-#include <asm/page.h>
-#include <asm/uaccess.h>
-#include <asm/inventory.h>
-
-/* 2,191 lines of complete and utter shit coming up... */
-
-extern int max_threads;
-
-/* The sysmp commands supported thus far. */
-#define MP_NPROCS       	1 /* # processor in complex */
-#define MP_NAPROCS      	2 /* # active processors in complex */
-#define MP_PGSIZE           	14 /* Return system page size in v1. */
-
-asmlinkage int irix_sysmp(struct pt_regs *regs)
-{
-	unsigned long cmd;
-	int base = 0;
-	int error = 0;
-
-	if(regs->regs[2] == 1000)
-		base = 1;
-	cmd = regs->regs[base + 4];
-	switch(cmd) {
-	case MP_PGSIZE:
-		error = PAGE_SIZE;
-		break;
-	case MP_NPROCS:
-	case MP_NAPROCS:
-		error = num_online_cpus();
-		break;
-	default:
-		printk("SYSMP[%s:%d]: Unsupported opcode %d\n",
-		       current->comm, current->pid, (int)cmd);
-		error = -EINVAL;
-		break;
-	}
-
-	return error;
-}
-
-/* The prctl commands. */
-#define PR_MAXPROCS		 1 /* Tasks/user. */
-#define PR_ISBLOCKED		 2 /* If blocked, return 1. */
-#define PR_SETSTACKSIZE		 3 /* Set largest task stack size. */
-#define PR_GETSTACKSIZE		 4 /* Get largest task stack size. */
-#define PR_MAXPPROCS		 5 /* Num parallel tasks. */
-#define PR_UNBLKONEXEC		 6 /* When task exec/exit's, unblock. */
-#define PR_SETEXITSIG		 8 /* When task exit's, set signal. */
-#define PR_RESIDENT		 9 /* Make task unswappable. */
-#define PR_ATTACHADDR		10 /* (Re-)Connect a vma to a task. */
-#define PR_DETACHADDR		11 /* Disconnect a vma from a task. */
-#define PR_TERMCHILD		12 /* Kill child if the parent dies. */
-#define PR_GETSHMASK		13 /* Get the sproc() share mask. */
-#define PR_GETNSHARE		14 /* Number of share group members. */
-#define PR_COREPID		15 /* Add task pid to name when it core. */
-#define PR_ATTACHADDRPERM	16 /* (Re-)Connect vma, with specified prot. */
-#define PR_PTHREADEXIT		17 /* Kill a pthread, only for IRIX 6.[234] */
-
-asmlinkage int irix_prctl(unsigned option, ...)
-{
-	va_list args;
-	int error = 0;
-
-	va_start(args, option);
-	switch (option) {
-	case PR_MAXPROCS:
-		printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
-		       current->comm, current->pid);
-		error = max_threads;
-		break;
-
-	case PR_ISBLOCKED: {
-		struct task_struct *task;
-
-		printk("irix_prctl[%s:%d]: Wants PR_ISBLOCKED\n",
-		       current->comm, current->pid);
-		read_lock(&tasklist_lock);
-		task = find_task_by_vpid(va_arg(args, pid_t));
-		error = -ESRCH;
-		if (error)
-			error = (task->run_list.next != NULL);
-		read_unlock(&tasklist_lock);
-		/* Can _your_ OS find this out that fast? */
-		break;
-	}
-
-	case PR_SETSTACKSIZE: {
-		long value = va_arg(args, long);
-
-		printk("irix_prctl[%s:%d]: Wants PR_SETSTACKSIZE<%08lx>\n",
-		       current->comm, current->pid, (unsigned long) value);
-		if (value > RLIM_INFINITY)
-			value = RLIM_INFINITY;
-		if (capable(CAP_SYS_ADMIN)) {
-			task_lock(current->group_leader);
-			current->signal->rlim[RLIMIT_STACK].rlim_max =
-				current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
-			task_unlock(current->group_leader);
-			error = value;
-			break;
-		}
-		task_lock(current->group_leader);
-		if (value > current->signal->rlim[RLIMIT_STACK].rlim_max) {
-			error = -EINVAL;
-			task_unlock(current->group_leader);
-			break;
-		}
-		current->signal->rlim[RLIMIT_STACK].rlim_cur = value;
-		task_unlock(current->group_leader);
-		error = value;
-		break;
-	}
-
-	case PR_GETSTACKSIZE:
-		printk("irix_prctl[%s:%d]: Wants PR_GETSTACKSIZE\n",
-		       current->comm, current->pid);
-		error = current->signal->rlim[RLIMIT_STACK].rlim_cur;
-		break;
-
-	case PR_MAXPPROCS:
-		printk("irix_prctl[%s:%d]: Wants PR_MAXPROCS\n",
-		       current->comm, current->pid);
-		error = 1;
-		break;
-
-	case PR_UNBLKONEXEC:
-		printk("irix_prctl[%s:%d]: Wants PR_UNBLKONEXEC\n",
-		       current->comm, current->pid);
-		error = -EINVAL;
-		break;
-
-	case PR_SETEXITSIG:
-		printk("irix_prctl[%s:%d]: Wants PR_SETEXITSIG\n",
-		       current->comm, current->pid);
-
-		/* We can probably play some game where we set the task
-		 * exit_code to some non-zero value when this is requested,
-		 * and check whether exit_code is already set in do_exit().
-		 */
-		error = -EINVAL;
-		break;
-
-	case PR_RESIDENT:
-		printk("irix_prctl[%s:%d]: Wants PR_RESIDENT\n",
-		       current->comm, current->pid);
-		error = 0; /* Compatibility indeed. */
-		break;
-
-	case PR_ATTACHADDR:
-		printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDR\n",
-		       current->comm, current->pid);
-		error = -EINVAL;
-		break;
-
-	case PR_DETACHADDR:
-		printk("irix_prctl[%s:%d]: Wants PR_DETACHADDR\n",
-		       current->comm, current->pid);
-		error = -EINVAL;
-		break;
-
-	case PR_TERMCHILD:
-		printk("irix_prctl[%s:%d]: Wants PR_TERMCHILD\n",
-		       current->comm, current->pid);
-		error = -EINVAL;
-		break;
-
-	case PR_GETSHMASK:
-		printk("irix_prctl[%s:%d]: Wants PR_GETSHMASK\n",
-		       current->comm, current->pid);
-		error = -EINVAL; /* Until I have the sproc() stuff in. */
-		break;
-
-	case PR_GETNSHARE:
-		error = 0;       /* Until I have the sproc() stuff in. */
-		break;
-
-	case PR_COREPID:
-		printk("irix_prctl[%s:%d]: Wants PR_COREPID\n",
-		       current->comm, current->pid);
-		error = -EINVAL;
-		break;
-
-	case PR_ATTACHADDRPERM:
-		printk("irix_prctl[%s:%d]: Wants PR_ATTACHADDRPERM\n",
-		       current->comm, current->pid);
-		error = -EINVAL;
-		break;
-
-	default:
-		printk("irix_prctl[%s:%d]: Non-existant opcode %d\n",
-		       current->comm, current->pid, option);
-		error = -EINVAL;
-		break;
-	}
-	va_end(args);
-
-	return error;
-}
-
-#undef DEBUG_PROCGRPS
-
-extern unsigned long irix_mapelf(int fd, struct elf_phdr __user *user_phdrp, int cnt);
-extern char *prom_getenv(char *name);
-extern long prom_setenv(char *name, char *value);
-
-/* The syssgi commands supported thus far. */
-#define SGI_SYSID         1       /* Return unique per-machine identifier. */
-#define SGI_INVENT        5       /* Fetch inventory  */
-#   define SGI_INV_SIZEOF 1
-#   define SGI_INV_READ   2
-#define SGI_RDNAME        6       /* Return string name of a process. */
-#define SGI_SETNVRAM	  8	  /* Set PROM variable. */
-#define SGI_GETNVRAM	  9	  /* Get PROM variable. */
-#define SGI_SETPGID      21       /* Set process group id. */
-#define SGI_SYSCONF      22       /* POSIX sysconf garbage. */
-#define SGI_PATHCONF     24       /* POSIX sysconf garbage. */
-#define SGI_SETGROUPS    40       /* POSIX sysconf garbage. */
-#define SGI_GETGROUPS    41       /* POSIX sysconf garbage. */
-#define SGI_RUSAGE       56       /* BSD style rusage(). */
-#define SGI_SSYNC        62       /* Synchronous fs sync. */
-#define SGI_GETSID       65       /* SysVr4 get session id. */
-#define SGI_ELFMAP       68       /* Map an elf image. */
-#define SGI_TOSSTSAVE   108       /* Toss saved vma's. */
-#define SGI_FP_BCOPY    129       /* Should FPU bcopy be used on this machine? */
-#define SGI_PHYSP      1011       /* Translate virtual into physical page. */
-
-asmlinkage int irix_syssgi(struct pt_regs *regs)
-{
-	unsigned long cmd;
-	int retval, base = 0;
-
-	if (regs->regs[2] == 1000)
-		base = 1;
-
-	cmd = regs->regs[base + 4];
-	switch(cmd) {
-	case SGI_SYSID: {
-		char __user *buf = (char __user *) regs->regs[base + 5];
-
-		/* XXX Use ethernet addr.... */
-		retval = clear_user(buf, 64) ? -EFAULT : 0;
-		break;
-	}
-#if 0
-	case SGI_RDNAME: {
-		int pid = (int) regs->regs[base + 5];
-		char __user *buf = (char __user *) regs->regs[base + 6];
-		struct task_struct *p;
-		char tcomm[sizeof(current->comm)];
-
-		read_lock(&tasklist_lock);
-		p = find_task_by_pid(pid);
-		if (!p) {
-			read_unlock(&tasklist_lock);
-			retval = -ESRCH;
-			break;
-		}
-		get_task_comm(tcomm, p);
-		read_unlock(&tasklist_lock);
-
-		/* XXX Need to check sizes. */
-		retval = copy_to_user(buf, tcomm, sizeof(tcomm)) ? -EFAULT : 0;
-		break;
-	}
-
-	case SGI_GETNVRAM: {
-		char __user *name = (char __user *) regs->regs[base+5];
-		char __user *buf = (char __user *) regs->regs[base+6];
-		char *value;
-		return -EINVAL;	/* til I fix it */
-		value = prom_getenv(name);	/* PROM lock?  */
-		if (!value) {
-			retval = -EINVAL;
-			break;
-		}
-		/* Do I strlen() for the length? */
-		retval = copy_to_user(buf, value, 128) ? -EFAULT : 0;
-		break;
-	}
-
-	case SGI_SETNVRAM: {
-		char __user *name = (char __user *) regs->regs[base+5];
-		char __user *value = (char __user *) regs->regs[base+6];
-		return -EINVAL;	/* til I fix it */
-		retval = prom_setenv(name, value);
-		/* XXX make sure retval conforms to syssgi(2) */
-		printk("[%s:%d] setnvram(\"%s\", \"%s\"): retval %d",
-		       current->comm, current->pid, name, value, retval);
-/*		if (retval == PROM_ENOENT)
-		  	retval = -ENOENT; */
-		break;
-	}
-#endif
-
-	case SGI_SETPGID: {
-#ifdef DEBUG_PROCGRPS
-		printk("[%s:%d] setpgid(%d, %d) ",
-		       current->comm, current->pid,
-		       (int) regs->regs[base + 5], (int)regs->regs[base + 6]);
-#endif
-		retval = sys_setpgid(regs->regs[base + 5], regs->regs[base + 6]);
-
-#ifdef DEBUG_PROCGRPS
-		printk("retval=%d\n", retval);
-#endif
-	}
-
-	case SGI_SYSCONF: {
-		switch(regs->regs[base + 5]) {
-		case 1:
-			retval = (MAX_ARG_PAGES >> 4); /* XXX estimate... */
-			goto out;
-		case 2:
-			retval = max_threads;
-			goto out;
-		case 3:
-			retval = HZ;
-			goto out;
-		case 4:
-			retval = NGROUPS_MAX;
-			goto out;
-		case 5:
-			retval = sysctl_nr_open;
-			goto out;
-		case 6:
-			retval = 1;
-			goto out;
-		case 7:
-			retval = 1;
-			goto out;
-		case 8:
-			retval = 199009;
-			goto out;
-		case 11:
-			retval = PAGE_SIZE;
-			goto out;
-		case 12:
-			retval = 4;
-			goto out;
-		case 25:
-		case 26:
-		case 27:
-		case 28:
-		case 29:
-		case 30:
-			retval = 0;
-			goto out;
-		case 31:
-			retval = 32;
-			goto out;
-		default:
-			retval = -EINVAL;
-			goto out;
-		};
-	}
-
-	case SGI_SETGROUPS:
-		retval = sys_setgroups((int) regs->regs[base + 5],
-		                       (gid_t __user *) regs->regs[base + 6]);
-		break;
-
-	case SGI_GETGROUPS:
-		retval = sys_getgroups((int) regs->regs[base + 5],
-		                       (gid_t __user *) regs->regs[base + 6]);
-		break;
-
-	case SGI_RUSAGE: {
-		struct rusage __user *ru = (struct rusage __user *) regs->regs[base + 6];
-
-		switch((int) regs->regs[base + 5]) {
-		case 0:
-			/* rusage self */
-			retval = getrusage(current, RUSAGE_SELF, ru);
-			goto out;
-
-		case -1:
-			/* rusage children */
-			retval = getrusage(current, RUSAGE_CHILDREN, ru);
-			goto out;
-
-		default:
-			retval = -EINVAL;
-			goto out;
-		};
-	}
-
-	case SGI_SSYNC:
-		sys_sync();
-		retval = 0;
-		break;
-
-	case SGI_GETSID:
-#ifdef DEBUG_PROCGRPS
-		printk("[%s:%d] getsid(%d) ", current->comm, current->pid,
-		       (int) regs->regs[base + 5]);
-#endif
-		retval = sys_getsid(regs->regs[base + 5]);
-#ifdef DEBUG_PROCGRPS
-		printk("retval=%d\n", retval);
-#endif
-		break;
-
-	case SGI_ELFMAP:
-		retval = irix_mapelf((int) regs->regs[base + 5],
-				     (struct elf_phdr __user *) regs->regs[base + 6],
-				     (int) regs->regs[base + 7]);
-		break;
-
-	case SGI_TOSSTSAVE:
-		/* XXX We don't need to do anything? */
-		retval = 0;
-		break;
-
-	case SGI_FP_BCOPY:
-		retval = 0;
-		break;
-
-	case SGI_PHYSP: {
-		unsigned long addr = regs->regs[base + 5];
-		int __user *pageno = (int __user *) (regs->regs[base + 6]);
-		struct mm_struct *mm = current->mm;
-		pgd_t *pgdp;
-		pud_t *pudp;
-		pmd_t *pmdp;
-		pte_t *ptep;
-
-		down_read(&mm->mmap_sem);
-		pgdp = pgd_offset(mm, addr);
-		pudp = pud_offset(pgdp, addr);
-		pmdp = pmd_offset(pudp, addr);
-		ptep = pte_offset(pmdp, addr);
-		retval = -EINVAL;
-		if (ptep) {
-			pte_t pte = *ptep;
-
-			if (pte_val(pte) & (_PAGE_VALID | _PAGE_PRESENT)) {
-				/* b0rked on 64-bit */
-				retval =  put_user((pte_val(pte) & PAGE_MASK) >>
-				                   PAGE_SHIFT, pageno);
-			}
-		}
-		up_read(&mm->mmap_sem);
-		break;
-	}
-
-	case SGI_INVENT: {
-		int  arg1    = (int)    regs->regs [base + 5];
-		void __user *buffer = (void __user *) regs->regs [base + 6];
-		int  count   = (int)    regs->regs [base + 7];
-
-		switch (arg1) {
-		case SGI_INV_SIZEOF:
-			retval = sizeof(inventory_t);
-			break;
-		case SGI_INV_READ:
-			retval = dump_inventory_to_user(buffer, count);
-			break;
-		default:
-			retval = -EINVAL;
-		}
-		break;
-	}
-
-	default:
-		printk("irix_syssgi: Unsupported command %d\n", (int)cmd);
-		retval = -EINVAL;
-		break;
-	};
-
-out:
-	return retval;
-}
-
-asmlinkage int irix_gtime(struct pt_regs *regs)
-{
-	return get_seconds();
-}
-
-/*
- * IRIX is completely broken... it returns 0 on success, otherwise
- * ENOMEM.
- */
-asmlinkage int irix_brk(unsigned long brk)
-{
-	unsigned long rlim;
-	unsigned long newbrk, oldbrk;
-	struct mm_struct *mm = current->mm;
-	int ret;
-
-	down_write(&mm->mmap_sem);
-	if (brk < mm->end_code) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	newbrk = PAGE_ALIGN(brk);
-	oldbrk = PAGE_ALIGN(mm->brk);
-	if (oldbrk == newbrk) {
-		mm->brk = brk;
-		ret = 0;
-		goto out;
-	}
-
-	/*
-	 * Always allow shrinking brk
-	 */
-	if (brk <= mm->brk) {
-		mm->brk = brk;
-		do_munmap(mm, newbrk, oldbrk-newbrk);
-		ret = 0;
-		goto out;
-	}
-	/*
-	 * Check against rlimit and stack..
-	 */
-	rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
-	if (rlim >= RLIM_INFINITY)
-		rlim = ~0;
-	if (brk - mm->end_code > rlim) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	/*
-	 * Check against existing mmap mappings.
-	 */
-	if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE)) {
-		ret = -ENOMEM;
-		goto out;
-	}
-
-	/*
-	 * Ok, looks good - let it rip.
-	 */
-	if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) {
-		ret = -ENOMEM;
-		goto out;
-	}
-	mm->brk = brk;
-	ret = 0;
-
-out:
-	up_write(&mm->mmap_sem);
-	return ret;
-}
-
-asmlinkage int irix_getpid(struct pt_regs *regs)
-{
-	regs->regs[3] = task_pid_vnr(current->real_parent);
-	return task_pid_vnr(current);
-}
-
-asmlinkage int irix_getuid(struct pt_regs *regs)
-{
-	regs->regs[3] = current->euid;
-	return current->uid;
-}
-
-asmlinkage int irix_getgid(struct pt_regs *regs)
-{
-	regs->regs[3] = current->egid;
-	return current->gid;
-}
-
-asmlinkage int irix_stime(int value)
-{
-	int err;
-	struct timespec tv;
-
-	tv.tv_sec = value;
-	tv.tv_nsec = 0;
-	err = security_settime(&tv, NULL);
-	if (err)
-		return err;
-
-	write_seqlock_irq(&xtime_lock);
-	xtime.tv_sec = value;
-	xtime.tv_nsec = 0;
-	ntp_clear();
-	write_sequnlock_irq(&xtime_lock);
-
-	return 0;
-}
-
-static inline void jiffiestotv(unsigned long jiffies, struct timeval *value)
-{
-	value->tv_usec = (jiffies % HZ) * (1000000 / HZ);
-	value->tv_sec = jiffies / HZ;
-}
-
-static inline void getitimer_real(struct itimerval *value)
-{
-	register unsigned long val, interval;
-
-	interval = current->it_real_incr;
-	val = 0;
-	if (del_timer(&current->real_timer)) {
-		unsigned long now = jiffies;
-		val = current->real_timer.expires;
-		add_timer(&current->real_timer);
-		/* look out for negative/zero itimer.. */
-		if (val <= now)
-			val = now+1;
-		val -= now;
-	}
-	jiffiestotv(val, &value->it_value);
-	jiffiestotv(interval, &value->it_interval);
-}
-
-asmlinkage unsigned int irix_alarm(unsigned int seconds)
-{
-	return alarm_setitimer(seconds);
-}
-
-asmlinkage int irix_pause(void)
-{
-	current->state = TASK_INTERRUPTIBLE;
-	schedule();
-
-	return -EINTR;
-}
-
-/* XXX need more than this... */
-asmlinkage int irix_mount(char __user *dev_name, char __user *dir_name,
-	unsigned long flags, char __user *type, void __user *data, int datalen)
-{
-	printk("[%s:%d] irix_mount(%p,%p,%08lx,%p,%p,%d)\n",
-	       current->comm, current->pid,
-	       dev_name, dir_name, flags, type, data, datalen);
-
-	return sys_mount(dev_name, dir_name, type, flags, data);
-}
-
-struct irix_statfs {
-	short f_type;
-	long  f_bsize, f_frsize, f_blocks, f_bfree, f_files, f_ffree;
-	char  f_fname[6], f_fpack[6];
-};
-
-asmlinkage int irix_statfs(const char __user *path,
-	struct irix_statfs __user *buf, int len, int fs_type)
-{
-	struct nameidata nd;
-	struct kstatfs kbuf;
-	int error, i;
-
-	/* We don't support this feature yet. */
-	if (fs_type) {
-		error = -EINVAL;
-		goto out;
-	}
-	if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
-		error = -EFAULT;
-		goto out;
-	}
-
-	error = user_path_walk(path, &nd);
-	if (error)
-		goto out;
-
-	error = vfs_statfs(nd.path.dentry, &kbuf);
-	if (error)
-		goto dput_and_out;
-
-	error = __put_user(kbuf.f_type, &buf->f_type);
-	error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
-	error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
-	error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
-	error |= __put_user(kbuf.f_files, &buf->f_files);
-	error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
-	for (i = 0; i < 6; i++) {
-		error |= __put_user(0, &buf->f_fname[i]);
-		error |= __put_user(0, &buf->f_fpack[i]);
-	}
-
-dput_and_out:
-	path_put(&nd.path);
-out:
-	return error;
-}
-
-asmlinkage int irix_fstatfs(unsigned int fd, struct irix_statfs __user *buf)
-{
-	struct kstatfs kbuf;
-	struct file *file;
-	int error, i;
-
-	if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statfs))) {
-		error = -EFAULT;
-		goto out;
-	}
-
-	if (!(file = fget(fd))) {
-		error = -EBADF;
-		goto out;
-	}
-
-	error = vfs_statfs(file->f_path.dentry, &kbuf);
-	if (error)
-		goto out_f;
-
-	error = __put_user(kbuf.f_type, &buf->f_type);
-	error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
-	error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
-	error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
-	error |= __put_user(kbuf.f_files, &buf->f_files);
-	error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
-
-	for (i = 0; i < 6; i++) {
-		error |= __put_user(0, &buf->f_fname[i]);
-		error |= __put_user(0, &buf->f_fpack[i]);
-	}
-
-out_f:
-	fput(file);
-out:
-	return error;
-}
-
-asmlinkage int irix_setpgrp(int flags)
-{
-	int error;
-
-#ifdef DEBUG_PROCGRPS
-	printk("[%s:%d] setpgrp(%d) ", current->comm, current->pid, flags);
-#endif
-	if(!flags)
-		error = task_pgrp_vnr(current);
-	else
-		error = sys_setsid();
-#ifdef DEBUG_PROCGRPS
-	printk("returning %d\n", error);
-#endif
-
-	return error;
-}
-
-asmlinkage int irix_times(struct tms __user *tbuf)
-{
-	int err = 0;
-
-	if (tbuf) {
-		if (!access_ok(VERIFY_WRITE, tbuf, sizeof *tbuf))
-			return -EFAULT;
-
-		err = __put_user(current->utime, &tbuf->tms_utime);
-		err |= __put_user(current->stime, &tbuf->tms_stime);
-		err |= __put_user(current->signal->cutime, &tbuf->tms_cutime);
-		err |= __put_user(current->signal->cstime, &tbuf->tms_cstime);
-	}
-
-	return err;
-}
-
-asmlinkage int irix_exec(struct pt_regs *regs)
-{
-	int error, base = 0;
-	char *filename;
-
-	if(regs->regs[2] == 1000)
-		base = 1;
-	filename = getname((char __user *) (long)regs->regs[base + 4]);
-	error = PTR_ERR(filename);
-	if (IS_ERR(filename))
-		return error;
-
-	error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
-	                  NULL, regs);
-	putname(filename);
-
-	return error;
-}
-
-asmlinkage int irix_exece(struct pt_regs *regs)
-{
-	int error, base = 0;
-	char *filename;
-
-	if (regs->regs[2] == 1000)
-		base = 1;
-	filename = getname((char __user *) (long)regs->regs[base + 4]);
-	error = PTR_ERR(filename);
-	if (IS_ERR(filename))
-		return error;
-	error = do_execve(filename, (char __user * __user *) (long)regs->regs[base + 5],
-	                  (char __user * __user *) (long)regs->regs[base + 6], regs);
-	putname(filename);
-
-	return error;
-}
-
-asmlinkage unsigned long irix_gethostid(void)
-{
-	printk("[%s:%d]: irix_gethostid() called...\n",
-	       current->comm, current->pid);
-
-	return -EINVAL;
-}
-
-asmlinkage unsigned long irix_sethostid(unsigned long val)
-{
-	printk("[%s:%d]: irix_sethostid(%08lx) called...\n",
-	       current->comm, current->pid, val);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_socket(int family, int type, int protocol)
-{
-	switch(type) {
-	case 1:
-		type = SOCK_DGRAM;
-		break;
-
-	case 2:
-		type = SOCK_STREAM;
-		break;
-
-	case 3:
-		type = 9; /* Invalid... */
-		break;
-
-	case 4:
-		type = SOCK_RAW;
-		break;
-
-	case 5:
-		type = SOCK_RDM;
-		break;
-
-	case 6:
-		type = SOCK_SEQPACKET;
-		break;
-
-	default:
-		break;
-	}
-
-	return sys_socket(family, type, protocol);
-}
-
-asmlinkage int irix_getdomainname(char __user *name, int len)
-{
-	int err;
-
-	down_read(&uts_sem);
-	if (len > __NEW_UTS_LEN)
-		len = __NEW_UTS_LEN;
-	err = copy_to_user(name, utsname()->domainname, len) ? -EFAULT : 0;
-	up_read(&uts_sem);
-
-	return err;
-}
-
-asmlinkage unsigned long irix_getpagesize(void)
-{
-	return PAGE_SIZE;
-}
-
-asmlinkage int irix_msgsys(int opcode, unsigned long arg0, unsigned long arg1,
-			   unsigned long arg2, unsigned long arg3,
-			   unsigned long arg4)
-{
-	switch (opcode) {
-	case 0:
-		return sys_msgget((key_t) arg0, (int) arg1);
-	case 1:
-		return sys_msgctl((int) arg0, (int) arg1,
-		                  (struct msqid_ds __user *)arg2);
-	case 2:
-		return sys_msgrcv((int) arg0, (struct msgbuf __user *) arg1,
-				  (size_t) arg2, (long) arg3, (int) arg4);
-	case 3:
-		return sys_msgsnd((int) arg0, (struct msgbuf __user *) arg1,
-				  (size_t) arg2, (int) arg3);
-	default:
-		return -EINVAL;
-	}
-}
-
-asmlinkage int irix_shmsys(int opcode, unsigned long arg0, unsigned long arg1,
-			   unsigned long arg2, unsigned long arg3)
-{
-	switch (opcode) {
-	case 0:
-		return do_shmat((int) arg0, (char __user *) arg1, (int) arg2,
-				 (unsigned long *) arg3);
-	case 1:
-		return sys_shmctl((int)arg0, (int)arg1,
-		                  (struct shmid_ds __user *)arg2);
-	case 2:
-		return sys_shmdt((char __user *)arg0);
-	case 3:
-		return sys_shmget((key_t) arg0, (int) arg1, (int) arg2);
-	default:
-		return -EINVAL;
-	}
-}
-
-asmlinkage int irix_semsys(int opcode, unsigned long arg0, unsigned long arg1,
-			   unsigned long arg2, int arg3)
-{
-	switch (opcode) {
-	case 0:
-		return sys_semctl((int) arg0, (int) arg1, (int) arg2,
-				  (union semun) arg3);
-	case 1:
-		return sys_semget((key_t) arg0, (int) arg1, (int) arg2);
-	case 2:
-		return sys_semop((int) arg0, (struct sembuf __user *)arg1,
-				 (unsigned int) arg2);
-	default:
-		return -EINVAL;
-	}
-}
-
-static inline loff_t llseek(struct file *file, loff_t offset, int origin)
-{
-	loff_t (*fn)(struct file *, loff_t, int);
-	loff_t retval;
-
-	fn = default_llseek;
-	if (file->f_op && file->f_op->llseek)
-	fn = file->f_op->llseek;
-	lock_kernel();
-	retval = fn(file, offset, origin);
-	unlock_kernel();
-
-	return retval;
-}
-
-asmlinkage int irix_lseek64(int fd, int _unused, int offhi, int offlow,
-                            int origin)
-{
-	struct file * file;
-	loff_t offset;
-	int retval;
-
-	retval = -EBADF;
-	file = fget(fd);
-	if (!file)
-		goto bad;
-	retval = -EINVAL;
-	if (origin > 2)
-		goto out_putf;
-
-	offset = llseek(file, ((loff_t) offhi << 32) | offlow, origin);
-	retval = (int) offset;
-
-out_putf:
-	fput(file);
-bad:
-	return retval;
-}
-
-asmlinkage int irix_sginap(int ticks)
-{
-	schedule_timeout_interruptible(ticks);
-	return 0;
-}
-
-asmlinkage int irix_sgikopt(char __user *istring, char __user *ostring, int len)
-{
-	return -EINVAL;
-}
-
-asmlinkage int irix_gettimeofday(struct timeval __user *tv)
-{
-	time_t sec;
-	long nsec, seq;
-	int err;
-
-	if (!access_ok(VERIFY_WRITE, tv, sizeof(struct timeval)))
-		return -EFAULT;
-
-	do {
-		seq = read_seqbegin(&xtime_lock);
-		sec = xtime.tv_sec;
-		nsec = xtime.tv_nsec;
-	} while (read_seqretry(&xtime_lock, seq));
-
-	err = __put_user(sec, &tv->tv_sec);
-	err |= __put_user((nsec / 1000), &tv->tv_usec);
-
-	return err;
-}
-
-#define IRIX_MAP_AUTOGROW 0x40
-
-asmlinkage unsigned long irix_mmap32(unsigned long addr, size_t len, int prot,
-				     int flags, int fd, off_t offset)
-{
-	struct file *file = NULL;
-	unsigned long retval;
-
-	if (!(flags & MAP_ANONYMOUS)) {
-		if (!(file = fget(fd)))
-			return -EBADF;
-
-		/* Ok, bad taste hack follows, try to think in something else
-		 * when reading this.  */
-		if (flags & IRIX_MAP_AUTOGROW) {
-			unsigned long old_pos;
-			long max_size = offset + len;
-
-			if (max_size > file->f_path.dentry->d_inode->i_size) {
-				old_pos = sys_lseek(fd, max_size - 1, 0);
-				sys_write(fd, (void __user *) "", 1);
-				sys_lseek(fd, old_pos, 0);
-			}
-		}
-	}
-
-	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
-	down_write(&current->mm->mmap_sem);
-	retval = do_mmap(file, addr, len, prot, flags, offset);
-	up_write(&current->mm->mmap_sem);
-	if (file)
-		fput(file);
-
-	return retval;
-}
-
-asmlinkage int irix_madvise(unsigned long addr, int len, int behavior)
-{
-	printk("[%s:%d] Wheee.. irix_madvise(%08lx,%d,%d)\n",
-	       current->comm, current->pid, addr, len, behavior);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_pagelock(char __user *addr, int len, int op)
-{
-	printk("[%s:%d] Wheee.. irix_pagelock(%p,%d,%d)\n",
-	       current->comm, current->pid, addr, len, op);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_quotactl(struct pt_regs *regs)
-{
-	printk("[%s:%d] Wheee.. irix_quotactl()\n",
-	       current->comm, current->pid);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_BSDsetpgrp(int pid, int pgrp)
-{
-	int error;
-
-#ifdef DEBUG_PROCGRPS
-	printk("[%s:%d] BSDsetpgrp(%d, %d) ", current->comm, current->pid,
-	       pid, pgrp);
-#endif
-	if(!pid)
-		pid = task_pid_vnr(current);
-
-	/* Wheee, weird sysv thing... */
-	if ((pgrp == 0) && (pid == task_pid_vnr(current)))
-		error = sys_setsid();
-	else
-		error = sys_setpgid(pid, pgrp);
-
-#ifdef DEBUG_PROCGRPS
-	printk("error = %d\n", error);
-#endif
-
-	return error;
-}
-
-asmlinkage int irix_systeminfo(int cmd, char __user *buf, int cnt)
-{
-	printk("[%s:%d] Wheee.. irix_systeminfo(%d,%p,%d)\n",
-	       current->comm, current->pid, cmd, buf, cnt);
-
-	return -EINVAL;
-}
-
-struct iuname {
-	char sysname[257], nodename[257], release[257];
-	char version[257], machine[257];
-	char m_type[257], base_rel[257];
-	char _unused0[257], _unused1[257], _unused2[257];
-	char _unused3[257], _unused4[257], _unused5[257];
-};
-
-asmlinkage int irix_uname(struct iuname __user *buf)
-{
-	down_read(&uts_sem);
-	if (copy_from_user(utsname()->sysname, buf->sysname, 65)
-	    || copy_from_user(utsname()->nodename, buf->nodename, 65)
-	    || copy_from_user(utsname()->release, buf->release, 65)
-	    || copy_from_user(utsname()->version, buf->version, 65)
-	    || copy_from_user(utsname()->machine, buf->machine, 65)) {
-		return -EFAULT;
-	}
-	up_read(&uts_sem);
-
-	return 1;
-}
-
-#undef DEBUG_XSTAT
-
-static int irix_xstat32_xlate(struct kstat *stat, void __user *ubuf)
-{
-	struct xstat32 {
-		u32 st_dev, st_pad1[3], st_ino, st_mode, st_nlink, st_uid, st_gid;
-		u32 st_rdev, st_pad2[2], st_size, st_pad3;
-		u32 st_atime0, st_atime1;
-		u32 st_mtime0, st_mtime1;
-		u32 st_ctime0, st_ctime1;
-		u32 st_blksize, st_blocks;
-		char st_fstype[16];
-		u32 st_pad4[8];
-	} ub;
-
-	if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
-		return -EOVERFLOW;
-	ub.st_dev     = sysv_encode_dev(stat->dev);
-	ub.st_ino     = stat->ino;
-	ub.st_mode    = stat->mode;
-	ub.st_nlink   = stat->nlink;
-	SET_UID(ub.st_uid, stat->uid);
-	SET_GID(ub.st_gid, stat->gid);
-	ub.st_rdev    = sysv_encode_dev(stat->rdev);
-#if BITS_PER_LONG == 32
-	if (stat->size > MAX_NON_LFS)
-		return -EOVERFLOW;
-#endif
-	ub.st_size    = stat->size;
-	ub.st_atime0  = stat->atime.tv_sec;
-	ub.st_atime1  = stat->atime.tv_nsec;
-	ub.st_mtime0  = stat->mtime.tv_sec;
-	ub.st_mtime1  = stat->atime.tv_nsec;
-	ub.st_ctime0  = stat->ctime.tv_sec;
-	ub.st_ctime1  = stat->atime.tv_nsec;
-	ub.st_blksize = stat->blksize;
-	ub.st_blocks  = stat->blocks;
-	strcpy(ub.st_fstype, "efs");
-
-	return copy_to_user(ubuf, &ub, sizeof(ub)) ? -EFAULT : 0;
-}
-
-static int irix_xstat64_xlate(struct kstat *stat, void __user *ubuf)
-{
-	struct xstat64 {
-		u32 st_dev; s32 st_pad1[3];
-		unsigned long long st_ino;
-		u32 st_mode;
-		u32 st_nlink; s32 st_uid; s32 st_gid; u32 st_rdev;
-		s32 st_pad2[2];
-		long long st_size;
-		s32 st_pad3;
-		struct { s32 tv_sec, tv_nsec; } st_atime, st_mtime, st_ctime;
-		s32 st_blksize;
-		long long  st_blocks;
-		char st_fstype[16];
-		s32 st_pad4[8];
-	} ks;
-
-	if (!sysv_valid_dev(stat->dev) || !sysv_valid_dev(stat->rdev))
-		return -EOVERFLOW;
-
-	ks.st_dev = sysv_encode_dev(stat->dev);
-	ks.st_pad1[0] = ks.st_pad1[1] = ks.st_pad1[2] = 0;
-	ks.st_ino = (unsigned long long) stat->ino;
-	ks.st_mode = (u32) stat->mode;
-	ks.st_nlink = (u32) stat->nlink;
-	ks.st_uid = (s32) stat->uid;
-	ks.st_gid = (s32) stat->gid;
-	ks.st_rdev = sysv_encode_dev(stat->rdev);
-	ks.st_pad2[0] = ks.st_pad2[1] = 0;
-	ks.st_size = (long long) stat->size;
-	ks.st_pad3 = 0;
-
-	/* XXX hackety hack... */
-	ks.st_atime.tv_sec = (s32) stat->atime.tv_sec;
-	ks.st_atime.tv_nsec = stat->atime.tv_nsec;
-	ks.st_mtime.tv_sec = (s32) stat->mtime.tv_sec;
-	ks.st_mtime.tv_nsec = stat->mtime.tv_nsec;
-	ks.st_ctime.tv_sec = (s32) stat->ctime.tv_sec;
-	ks.st_ctime.tv_nsec = stat->ctime.tv_nsec;
-
-	ks.st_blksize = (s32) stat->blksize;
-	ks.st_blocks = (long long) stat->blocks;
-	memset(ks.st_fstype, 0, 16);
-	ks.st_pad4[0] = ks.st_pad4[1] = ks.st_pad4[2] = ks.st_pad4[3] = 0;
-	ks.st_pad4[4] = ks.st_pad4[5] = ks.st_pad4[6] = ks.st_pad4[7] = 0;
-
-	/* Now write it all back. */
-	return copy_to_user(ubuf, &ks, sizeof(ks)) ? -EFAULT : 0;
-}
-
-asmlinkage int irix_xstat(int version, char __user *filename, struct stat __user *statbuf)
-{
-	int retval;
-	struct kstat stat;
-
-#ifdef DEBUG_XSTAT
-	printk("[%s:%d] Wheee.. irix_xstat(%d,%s,%p) ",
-	       current->comm, current->pid, version, filename, statbuf);
-#endif
-
-	retval = vfs_stat(filename, &stat);
-	if (!retval) {
-		switch(version) {
-			case 2:
-				retval = irix_xstat32_xlate(&stat, statbuf);
-				break;
-			case 3:
-				retval = irix_xstat64_xlate(&stat, statbuf);
-				break;
-			default:
-				retval = -EINVAL;
-		}
-	}
-	return retval;
-}
-
-asmlinkage int irix_lxstat(int version, char __user *filename, struct stat __user *statbuf)
-{
-	int error;
-	struct kstat stat;
-
-#ifdef DEBUG_XSTAT
-	printk("[%s:%d] Wheee.. irix_lxstat(%d,%s,%p) ",
-	       current->comm, current->pid, version, filename, statbuf);
-#endif
-
-	error = vfs_lstat(filename, &stat);
-
-	if (!error) {
-		switch (version) {
-			case 2:
-				error = irix_xstat32_xlate(&stat, statbuf);
-				break;
-			case 3:
-				error = irix_xstat64_xlate(&stat, statbuf);
-				break;
-			default:
-				error = -EINVAL;
-		}
-	}
-	return error;
-}
-
-asmlinkage int irix_fxstat(int version, int fd, struct stat __user *statbuf)
-{
-	int error;
-	struct kstat stat;
-
-#ifdef DEBUG_XSTAT
-	printk("[%s:%d] Wheee.. irix_fxstat(%d,%d,%p) ",
-	       current->comm, current->pid, version, fd, statbuf);
-#endif
-
-	error = vfs_fstat(fd, &stat);
-	if (!error) {
-		switch (version) {
-			case 2:
-				error = irix_xstat32_xlate(&stat, statbuf);
-				break;
-			case 3:
-				error = irix_xstat64_xlate(&stat, statbuf);
-				break;
-			default:
-				error = -EINVAL;
-		}
-	}
-	return error;
-}
-
-asmlinkage int irix_xmknod(int ver, char __user *filename, int mode, unsigned dev)
-{
-	int retval;
-	printk("[%s:%d] Wheee.. irix_xmknod(%d,%s,%x,%x)\n",
-	       current->comm, current->pid, ver, filename, mode, dev);
-
-	switch(ver) {
-	case 2:
-		/* shouldn't we convert here as well as on stat()? */
-		retval = sys_mknod(filename, mode, dev);
-		break;
-
-	default:
-		retval = -EINVAL;
-		break;
-	};
-
-	return retval;
-}
-
-asmlinkage int irix_swapctl(int cmd, char __user *arg)
-{
-	printk("[%s:%d] Wheee.. irix_swapctl(%d,%p)\n",
-	       current->comm, current->pid, cmd, arg);
-
-	return -EINVAL;
-}
-
-struct irix_statvfs {
-	u32 f_bsize; u32 f_frsize; u32 f_blocks;
-	u32 f_bfree; u32 f_bavail; u32 f_files; u32 f_ffree; u32 f_favail;
-	u32 f_fsid; char f_basetype[16];
-	u32 f_flag; u32 f_namemax;
-	char	f_fstr[32]; u32 f_filler[16];
-};
-
-asmlinkage int irix_statvfs(char __user *fname, struct irix_statvfs __user *buf)
-{
-	struct nameidata nd;
-	struct kstatfs kbuf;
-	int error, i;
-
-	printk("[%s:%d] Wheee.. irix_statvfs(%s,%p)\n",
-	       current->comm, current->pid, fname, buf);
-	if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
-		return -EFAULT;
-
-	error = user_path_walk(fname, &nd);
-	if (error)
-		goto out;
-	error = vfs_statfs(nd.path.dentry, &kbuf);
-	if (error)
-		goto dput_and_out;
-
-	error |= __put_user(kbuf.f_bsize, &buf->f_bsize);
-	error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
-	error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bavail);  /* XXX hackety hack... */
-	error |= __put_user(kbuf.f_files, &buf->f_files);
-	error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
-	error |= __put_user(kbuf.f_ffree, &buf->f_favail);  /* XXX hackety hack... */
-#ifdef __MIPSEB__
-	error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
-#else
-	error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
-#endif
-	for (i = 0; i < 16; i++)
-		error |= __put_user(0, &buf->f_basetype[i]);
-	error |= __put_user(0, &buf->f_flag);
-	error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
-	for (i = 0; i < 32; i++)
-		error |= __put_user(0, &buf->f_fstr[i]);
-
-dput_and_out:
-	path_put(&nd.path);
-out:
-	return error;
-}
-
-asmlinkage int irix_fstatvfs(int fd, struct irix_statvfs __user *buf)
-{
-	struct kstatfs kbuf;
-	struct file *file;
-	int error, i;
-
-	printk("[%s:%d] Wheee.. irix_fstatvfs(%d,%p)\n",
-	       current->comm, current->pid, fd, buf);
-
-	if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs)))
-		return -EFAULT;
-
-	if (!(file = fget(fd))) {
-		error = -EBADF;
-		goto out;
-	}
-	error = vfs_statfs(file->f_path.dentry, &kbuf);
-	if (error)
-		goto out_f;
-
-	error = __put_user(kbuf.f_bsize, &buf->f_bsize);
-	error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
-	error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bavail); /* XXX hackety hack... */
-	error |= __put_user(kbuf.f_files, &buf->f_files);
-	error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
-	error |= __put_user(kbuf.f_ffree, &buf->f_favail); /* XXX hackety hack... */
-#ifdef __MIPSEB__
-	error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
-#else
-	error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
-#endif
-	for(i = 0; i < 16; i++)
-		error |= __put_user(0, &buf->f_basetype[i]);
-	error |= __put_user(0, &buf->f_flag);
-	error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
-	error |= __clear_user(&buf->f_fstr, sizeof(buf->f_fstr)) ? -EFAULT : 0;
-
-out_f:
-	fput(file);
-out:
-	return error;
-}
-
-asmlinkage int irix_priocntl(struct pt_regs *regs)
-{
-	printk("[%s:%d] Wheee.. irix_priocntl()\n",
-	       current->comm, current->pid);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_sigqueue(int pid, int sig, int code, int val)
-{
-	printk("[%s:%d] Wheee.. irix_sigqueue(%d,%d,%d,%d)\n",
-	       current->comm, current->pid, pid, sig, code, val);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_truncate64(char __user *name, int pad, int size1, int size2)
-{
-	int retval;
-
-	if (size1) {
-		retval = -EINVAL;
-		goto out;
-	}
-	retval = sys_truncate(name, size2);
-
-out:
-	return retval;
-}
-
-asmlinkage int irix_ftruncate64(int fd, int pad, int size1, int size2)
-{
-	int retval;
-
-	if (size1) {
-		retval = -EINVAL;
-		goto out;
-	}
-	retval = sys_ftruncate(fd, size2);
-
-out:
-	return retval;
-}
-
-asmlinkage int irix_mmap64(struct pt_regs *regs)
-{
-	int len, prot, flags, fd, off1, off2, error, base = 0;
-	unsigned long addr, pgoff, *sp;
-	struct file *file = NULL;
-	int err;
-
-	if (regs->regs[2] == 1000)
-		base = 1;
-	sp = (unsigned long *) (regs->regs[29] + 16);
-	addr = regs->regs[base + 4];
-	len = regs->regs[base + 5];
-	prot = regs->regs[base + 6];
-	if (!base) {
-		flags = regs->regs[base + 7];
-		if (!access_ok(VERIFY_READ, sp, (4 * sizeof(unsigned long))))
-			return -EFAULT;
-		fd = sp[0];
-		err = __get_user(off1, &sp[1]);
-		err |= __get_user(off2, &sp[2]);
-	} else {
-		if (!access_ok(VERIFY_READ, sp, (5 * sizeof(unsigned long))))
-			return -EFAULT;
-		err = __get_user(flags, &sp[0]);
-		err |= __get_user(fd, &sp[1]);
-		err |= __get_user(off1, &sp[2]);
-		err |= __get_user(off2, &sp[3]);
-	}
-
-	if (err)
-		return err;
-
-	if (off1 & PAGE_MASK)
-		return -EOVERFLOW;
-
-	pgoff = (off1 << (32 - PAGE_SHIFT)) | (off2 >> PAGE_SHIFT);
-
-	if (!(flags & MAP_ANONYMOUS)) {
-		if (!(file = fget(fd)))
-			return -EBADF;
-
-		/* Ok, bad taste hack follows, try to think in something else
-		   when reading this */
-		if (flags & IRIX_MAP_AUTOGROW) {
-			unsigned long old_pos;
-			long max_size = off2 + len;
-
-			if (max_size > file->f_path.dentry->d_inode->i_size) {
-				old_pos = sys_lseek(fd, max_size - 1, 0);
-				sys_write(fd, (void __user *) "", 1);
-				sys_lseek(fd, old_pos, 0);
-			}
-		}
-	}
-
-	flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-
-	down_write(&current->mm->mmap_sem);
-	error = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-	up_write(&current->mm->mmap_sem);
-
-	if (file)
-		fput(file);
-
-	return error;
-}
-
-asmlinkage int irix_dmi(struct pt_regs *regs)
-{
-	printk("[%s:%d] Wheee.. irix_dmi()\n",
-	       current->comm, current->pid);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_pread(int fd, char __user *buf, int cnt, int off64,
-			  int off1, int off2)
-{
-	printk("[%s:%d] Wheee.. irix_pread(%d,%p,%d,%d,%d,%d)\n",
-	       current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_pwrite(int fd, char __user *buf, int cnt, int off64,
-			   int off1, int off2)
-{
-	printk("[%s:%d] Wheee.. irix_pwrite(%d,%p,%d,%d,%d,%d)\n",
-	       current->comm, current->pid, fd, buf, cnt, off64, off1, off2);
-
-	return -EINVAL;
-}
-
-asmlinkage int irix_sgifastpath(int cmd, unsigned long arg0, unsigned long arg1,
-				unsigned long arg2, unsigned long arg3,
-				unsigned long arg4, unsigned long arg5)
-{
-	printk("[%s:%d] Wheee.. irix_fastpath(%d,%08lx,%08lx,%08lx,%08lx,"
-	       "%08lx,%08lx)\n",
-	       current->comm, current->pid, cmd, arg0, arg1, arg2,
-	       arg3, arg4, arg5);
-
-	return -EINVAL;
-}
-
-struct irix_statvfs64 {
-	u32  f_bsize; u32 f_frsize;
-	u64  f_blocks; u64 f_bfree; u64 f_bavail;
-	u64  f_files; u64 f_ffree; u64 f_favail;
-	u32  f_fsid;
-	char f_basetype[16];
-	u32  f_flag; u32 f_namemax;
-	char f_fstr[32];
-	u32  f_filler[16];
-};
-
-asmlinkage int irix_statvfs64(char __user *fname, struct irix_statvfs64 __user *buf)
-{
-	struct nameidata nd;
-	struct kstatfs kbuf;
-	int error, i;
-
-	printk("[%s:%d] Wheee.. irix_statvfs64(%s,%p)\n",
-	       current->comm, current->pid, fname, buf);
-	if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs64))) {
-		error = -EFAULT;
-		goto out;
-	}
-
-	error = user_path_walk(fname, &nd);
-	if (error)
-		goto out;
-	error = vfs_statfs(nd.path.dentry, &kbuf);
-	if (error)
-		goto dput_and_out;
-
-	error = __put_user(kbuf.f_bsize, &buf->f_bsize);
-	error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
-	error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bavail);  /* XXX hackety hack... */
-	error |= __put_user(kbuf.f_files, &buf->f_files);
-	error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
-	error |= __put_user(kbuf.f_ffree, &buf->f_favail);  /* XXX hackety hack... */
-#ifdef __MIPSEB__
-	error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
-#else
-	error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
-#endif
-	for(i = 0; i < 16; i++)
-		error |= __put_user(0, &buf->f_basetype[i]);
-	error |= __put_user(0, &buf->f_flag);
-	error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
-	for(i = 0; i < 32; i++)
-		error |= __put_user(0, &buf->f_fstr[i]);
-
-dput_and_out:
-	path_put(&nd.path);
-out:
-	return error;
-}
-
-asmlinkage int irix_fstatvfs64(int fd, struct irix_statvfs __user *buf)
-{
-	struct kstatfs kbuf;
-	struct file *file;
-	int error, i;
-
-	printk("[%s:%d] Wheee.. irix_fstatvfs64(%d,%p)\n",
-	       current->comm, current->pid, fd, buf);
-
-	if (!access_ok(VERIFY_WRITE, buf, sizeof(struct irix_statvfs))) {
-		error = -EFAULT;
-		goto out;
-	}
-	if (!(file = fget(fd))) {
-		error = -EBADF;
-		goto out;
-	}
-	error = vfs_statfs(file->f_path.dentry, &kbuf);
-	if (error)
-		goto out_f;
-
-	error = __put_user(kbuf.f_bsize, &buf->f_bsize);
-	error |= __put_user(kbuf.f_frsize, &buf->f_frsize);
-	error |= __put_user(kbuf.f_blocks, &buf->f_blocks);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bfree);
-	error |= __put_user(kbuf.f_bfree, &buf->f_bavail);  /* XXX hackety hack... */
-	error |= __put_user(kbuf.f_files, &buf->f_files);
-	error |= __put_user(kbuf.f_ffree, &buf->f_ffree);
-	error |= __put_user(kbuf.f_ffree, &buf->f_favail);  /* XXX hackety hack... */
-#ifdef __MIPSEB__
-	error |= __put_user(kbuf.f_fsid.val[1], &buf->f_fsid);
-#else
-	error |= __put_user(kbuf.f_fsid.val[0], &buf->f_fsid);
-#endif
-	for(i = 0; i < 16; i++)
-		error |= __put_user(0, &buf->f_basetype[i]);
-	error |= __put_user(0, &buf->f_flag);
-	error |= __put_user(kbuf.f_namelen, &buf->f_namemax);
-	error |= __clear_user(buf->f_fstr, sizeof(buf->f_fstr[i])) ? -EFAULT : 0;
-
-out_f:
-	fput(file);
-out:
-	return error;
-}
-
-asmlinkage int irix_getmountid(char __user *fname, unsigned long __user *midbuf)
-{
-	int err;
-
-	printk("[%s:%d] irix_getmountid(%s, %p)\n",
-	       current->comm, current->pid, fname, midbuf);
-	if (!access_ok(VERIFY_WRITE, midbuf, (sizeof(unsigned long) * 4)))
-		return -EFAULT;
-
-	/*
-	 * The idea with this system call is that when trying to determine
-	 * 'pwd' and it's a toss-up for some reason, userland can use the
-	 * fsid of the filesystem to try and make the right decision, but
-	 * we don't have this so for now. XXX
-	 */
-	err = __put_user(0, &midbuf[0]);
-	err |= __put_user(0, &midbuf[1]);
-	err |= __put_user(0, &midbuf[2]);
-	err |= __put_user(0, &midbuf[3]);
-
-	return err;
-}
-
-asmlinkage int irix_nsproc(unsigned long entry, unsigned long mask,
-			   unsigned long arg, unsigned long sp, int slen)
-{
-	printk("[%s:%d] Wheee.. irix_nsproc(%08lx,%08lx,%08lx,%08lx,%d)\n",
-	       current->comm, current->pid, entry, mask, arg, sp, slen);
-
-	return -EINVAL;
-}
-
-#undef DEBUG_GETDENTS
-
-struct irix_dirent32 {
-	u32  d_ino;
-	u32  d_off;
-	unsigned short  d_reclen;
-	char d_name[1];
-};
-
-struct irix_dirent32_callback {
-	struct irix_dirent32 __user *current_dir;
-	struct irix_dirent32 __user *previous;
-	int count;
-	int error;
-};
-
-#define NAME_OFFSET32(de) ((int) ((de)->d_name - (char *) (de)))
-#define ROUND_UP32(x) (((x)+sizeof(u32)-1) & ~(sizeof(u32)-1))
-
-static int irix_filldir32(void *__buf, const char *name,
-	int namlen, loff_t offset, u64 ino, unsigned int d_type)
-{
-	struct irix_dirent32 __user *dirent;
-	struct irix_dirent32_callback *buf = __buf;
-	unsigned short reclen = ROUND_UP32(NAME_OFFSET32(dirent) + namlen + 1);
-	int err = 0;
-	u32 d_ino;
-
-#ifdef DEBUG_GETDENTS
-	printk("\nirix_filldir32[reclen<%d>namlen<%d>count<%d>]",
-	       reclen, namlen, buf->count);
-#endif
-	buf->error = -EINVAL;	/* only used if we fail.. */
-	if (reclen > buf->count)
-		return -EINVAL;
-	d_ino = ino;
-	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
-		return -EOVERFLOW;
-	dirent = buf->previous;
-	if (dirent)
-		err = __put_user(offset, &dirent->d_off);
-	dirent = buf->current_dir;
-	err |= __put_user(dirent, &buf->previous);
-	err |= __put_user(d_ino, &dirent->d_ino);
-	err |= __put_user(reclen, &dirent->d_reclen);
-	err |= copy_to_user((char __user *)dirent->d_name, name, namlen) ? -EFAULT : 0;
-	err |= __put_user(0, &dirent->d_name[namlen]);
-	dirent = (struct irix_dirent32 __user *) ((char __user *) dirent + reclen);
-
-	buf->current_dir = dirent;
-	buf->count -= reclen;
-
-	return err;
-}
-
-asmlinkage int irix_ngetdents(unsigned int fd, void __user * dirent,
-	unsigned int count, int __user *eob)
-{
-	struct file *file;
-	struct irix_dirent32 __user *lastdirent;
-	struct irix_dirent32_callback buf;
-	int error;
-
-#ifdef DEBUG_GETDENTS
-	printk("[%s:%d] ngetdents(%d, %p, %d, %p) ", current->comm,
-	       current->pid, fd, dirent, count, eob);
-#endif
-	error = -EBADF;
-	file = fget(fd);
-	if (!file)
-		goto out;
-
-	buf.current_dir = (struct irix_dirent32 __user *) dirent;
-	buf.previous = NULL;
-	buf.count = count;
-	buf.error = 0;
-
-	error = vfs_readdir(file, irix_filldir32, &buf);
-	if (error < 0)
-		goto out_putf;
-
-	error = buf.error;
-	lastdirent = buf.previous;
-	if (lastdirent) {
-		put_user(file->f_pos, &lastdirent->d_off);
-		error = count - buf.count;
-	}
-
-	if (put_user(0, eob) < 0) {
-		error = -EFAULT;
-		goto out_putf;
-	}
-
-#ifdef DEBUG_GETDENTS
-	printk("eob=%d returning %d\n", *eob, count - buf.count);
-#endif
-	error = count - buf.count;
-
-out_putf:
-	fput(file);
-out:
-	return error;
-}
-
-struct irix_dirent64 {
-	u64            d_ino;
-	u64            d_off;
-	unsigned short d_reclen;
-	char           d_name[1];
-};
-
-struct irix_dirent64_callback {
-	struct irix_dirent64 __user *curr;
-	struct irix_dirent64 __user *previous;
-	int count;
-	int error;
-};
-
-#define NAME_OFFSET64(de) ((int) ((de)->d_name - (char *) (de)))
-#define ROUND_UP64(x) (((x)+sizeof(u64)-1) & ~(sizeof(u64)-1))
-
-static int irix_filldir64(void *__buf, const char *name,
-	int namlen, loff_t offset, u64 ino, unsigned int d_type)
-{
-	struct irix_dirent64 __user *dirent;
-	struct irix_dirent64_callback * buf = __buf;
-	unsigned short reclen = ROUND_UP64(NAME_OFFSET64(dirent) + namlen + 1);
-	int err = 0;
-
-	if (!access_ok(VERIFY_WRITE, buf, sizeof(*buf)))
-		return -EFAULT;
-
-	if (__put_user(-EINVAL, &buf->error))	/* only used if we fail.. */
-		return -EFAULT;
-	if (reclen > buf->count)
-		return -EINVAL;
-	dirent = buf->previous;
-	if (dirent)
-		err = __put_user(offset, &dirent->d_off);
-	dirent = buf->curr;
-	buf->previous = dirent;
-	err |= __put_user(ino, &dirent->d_ino);
-	err |= __put_user(reclen, &dirent->d_reclen);
-	err |= __copy_to_user((char __user *)dirent->d_name, name, namlen)
-	       ? -EFAULT : 0;
-	err |= __put_user(0, &dirent->d_name[namlen]);
-
-	dirent = (struct irix_dirent64 __user *) ((char __user *) dirent + reclen);
-
-	buf->curr = dirent;
-	buf->count -= reclen;
-
-	return err;
-}
-
-asmlinkage int irix_getdents64(int fd, void __user *dirent, int cnt)
-{
-	struct file *file;
-	struct irix_dirent64 __user *lastdirent;
-	struct irix_dirent64_callback buf;
-	int error;
-
-#ifdef DEBUG_GETDENTS
-	printk("[%s:%d] getdents64(%d, %p, %d) ", current->comm,
-	       current->pid, fd, dirent, cnt);
-#endif
-	error = -EBADF;
-	if (!(file = fget(fd)))
-		goto out;
-
-	error = -EFAULT;
-	if (!access_ok(VERIFY_WRITE, dirent, cnt))
-		goto out_f;
-
-	error = -EINVAL;
-	if (cnt < (sizeof(struct irix_dirent64) + 255))
-		goto out_f;
-
-	buf.curr = (struct irix_dirent64 __user *) dirent;
-	buf.previous = NULL;
-	buf.count = cnt;
-	buf.error = 0;
-	error = vfs_readdir(file, irix_filldir64, &buf);
-	if (error < 0)
-		goto out_f;
-	lastdirent = buf.previous;
-	if (!lastdirent) {
-		error = buf.error;
-		goto out_f;
-	}
-	if (put_user(file->f_pos, &lastdirent->d_off))
-		return -EFAULT;
-#ifdef DEBUG_GETDENTS
-	printk("returning %d\n", cnt - buf.count);
-#endif
-	error = cnt - buf.count;
-
-out_f:
-	fput(file);
-out:
-	return error;
-}
-
-asmlinkage int irix_ngetdents64(int fd, void __user *dirent, int cnt, int *eob)
-{
-	struct file *file;
-	struct irix_dirent64 __user *lastdirent;
-	struct irix_dirent64_callback buf;
-	int error;
-
-#ifdef DEBUG_GETDENTS
-	printk("[%s:%d] ngetdents64(%d, %p, %d) ", current->comm,
-	       current->pid, fd, dirent, cnt);
-#endif
-	error = -EBADF;
-	if (!(file = fget(fd)))
-		goto out;
-
-	error = -EFAULT;
-	if (!access_ok(VERIFY_WRITE, dirent, cnt) ||
-	    !access_ok(VERIFY_WRITE, eob, sizeof(*eob)))
-		goto out_f;
-
-	error = -EINVAL;
-	if (cnt < (sizeof(struct irix_dirent64) + 255))
-		goto out_f;
-
-	*eob = 0;
-	buf.curr = (struct irix_dirent64 __user *) dirent;
-	buf.previous = NULL;
-	buf.count = cnt;
-	buf.error = 0;
-	error = vfs_readdir(file, irix_filldir64, &buf);
-	if (error < 0)
-		goto out_f;
-	lastdirent = buf.previous;
-	if (!lastdirent) {
-		error = buf.error;
-		goto out_f;
-	}
-	if (put_user(file->f_pos, &lastdirent->d_off))
-		return -EFAULT;
-#ifdef DEBUG_GETDENTS
-	printk("eob=%d returning %d\n", *eob, cnt - buf.count);
-#endif
-	error = cnt - buf.count;
-
-out_f:
-	fput(file);
-out:
-	return error;
-}
-
-asmlinkage int irix_uadmin(unsigned long op, unsigned long func, unsigned long arg)
-{
-	int retval;
-
-	switch (op) {
-	case 1:
-		/* Reboot */
-		printk("[%s:%d] irix_uadmin: Wants to reboot...\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	case 2:
-		/* Shutdown */
-		printk("[%s:%d] irix_uadmin: Wants to shutdown...\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	case 4:
-		/* Remount-root */
-		printk("[%s:%d] irix_uadmin: Wants to remount root...\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	case 8:
-		/* Kill all tasks. */
-		printk("[%s:%d] irix_uadmin: Wants to kill all tasks...\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	case 256:
-		/* Set magic mushrooms... */
-		printk("[%s:%d] irix_uadmin: Wants to set magic mushroom[%d]...\n",
-		       current->comm, current->pid, (int) func);
-		retval = -EINVAL;
-		goto out;
-
-	default:
-		printk("[%s:%d] irix_uadmin: Unknown operation [%d]...\n",
-		       current->comm, current->pid, (int) op);
-		retval = -EINVAL;
-		goto out;
-	};
-
-out:
-	return retval;
-}
-
-asmlinkage int irix_utssys(char __user *inbuf, int arg, int type, char __user *outbuf)
-{
-	int retval;
-
-	switch(type) {
-	case 0:
-		/* uname() */
-		retval = irix_uname((struct iuname __user *)inbuf);
-		goto out;
-
-	case 2:
-		/* ustat() */
-		printk("[%s:%d] irix_utssys: Wants to do ustat()\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	case 3:
-		/* fusers() */
-		printk("[%s:%d] irix_utssys: Wants to do fusers()\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	default:
-		printk("[%s:%d] irix_utssys: Wants to do unknown type[%d]\n",
-		       current->comm, current->pid, (int) type);
-		retval = -EINVAL;
-		goto out;
-	}
-
-out:
-	return retval;
-}
-
-#undef DEBUG_FCNTL
-
-#define IRIX_F_ALLOCSP 10
-
-asmlinkage int irix_fcntl(int fd, int cmd, int arg)
-{
-	int retval;
-
-#ifdef DEBUG_FCNTL
-	printk("[%s:%d] irix_fcntl(%d, %d, %d) ", current->comm,
-	       current->pid, fd, cmd, arg);
-#endif
-	if (cmd == IRIX_F_ALLOCSP){
-		return 0;
-	}
-	retval = sys_fcntl(fd, cmd, arg);
-#ifdef DEBUG_FCNTL
-	printk("%d\n", retval);
-#endif
-	return retval;
-}
-
-asmlinkage int irix_ulimit(int cmd, int arg)
-{
-	int retval;
-
-	switch(cmd) {
-	case 1:
-		printk("[%s:%d] irix_ulimit: Wants to get file size limit.\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	case 2:
-		printk("[%s:%d] irix_ulimit: Wants to set file size limit.\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	case 3:
-		printk("[%s:%d] irix_ulimit: Wants to get brk limit.\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	case 4:
-#if 0
-		printk("[%s:%d] irix_ulimit: Wants to get fd limit.\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-#endif
-		retval = current->signal->rlim[RLIMIT_NOFILE].rlim_cur;
-		goto out;
-
-	case 5:
-		printk("[%s:%d] irix_ulimit: Wants to get txt offset.\n",
-		       current->comm, current->pid);
-		retval = -EINVAL;
-		goto out;
-
-	default:
-		printk("[%s:%d] irix_ulimit: Unknown command [%d].\n",
-		       current->comm, current->pid, cmd);
-		retval = -EINVAL;
-		goto out;
-	}
-out:
-	return retval;
-}
-
-asmlinkage int irix_unimp(struct pt_regs *regs)
-{
-	printk("irix_unimp [%s:%d] v0=%d v1=%d a0=%08lx a1=%08lx a2=%08lx "
-	       "a3=%08lx\n", current->comm, current->pid,
-	       (int) regs->regs[2], (int) regs->regs[3],
-	       regs->regs[4], regs->regs[5], regs->regs[6], regs->regs[7]);
-
-	return -ENOSYS;
-}