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Diffstat (limited to 'arch/mips/kernel/sysirix.c')
-rw-r--r--arch/mips/kernel/sysirix.c2140
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 c357762b801..00000000000
--- 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;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-17 12:57:02 +0000