diff options
Diffstat (limited to 'arch/h8300/kernel/sys_h8300.c')
-rw-r--r-- | arch/h8300/kernel/sys_h8300.c | 138 |
1 files changed, 0 insertions, 138 deletions
diff --git a/arch/h8300/kernel/sys_h8300.c b/arch/h8300/kernel/sys_h8300.c index b5969db0ca10..f9b3f44da69f 100644 --- a/arch/h8300/kernel/sys_h8300.c +++ b/arch/h8300/kernel/sys_h8300.c @@ -26,144 +26,6 @@ #include <asm/traps.h> #include <asm/unistd.h> -/* - * Perform the select(nd, in, out, ex, tv) and mmap() system - * calls. Linux/m68k cloned Linux/i386, which didn't use to be able to - * handle more than 4 system call parameters, so these system calls - * used a memory block for parameter passing.. - */ - -struct mmap_arg_struct { - unsigned long addr; - unsigned long len; - unsigned long prot; - unsigned long flags; - unsigned long fd; - unsigned long offset; -}; - -asmlinkage int old_mmap(struct mmap_arg_struct *arg) -{ - struct mmap_arg_struct a; - int error = -EFAULT; - - if (copy_from_user(&a, arg, sizeof(a))) - goto out; - - error = -EINVAL; - if (a.offset & ~PAGE_MASK) - goto out; - - error = sys_mmap_pgoff(a.addr, a.len, a.prot, a.flags, a.fd, - a.offset >> PAGE_SHIFT); -out: - return error; -} - -struct sel_arg_struct { - unsigned long n; - fd_set *inp, *outp, *exp; - struct timeval *tvp; -}; - -asmlinkage int old_select(struct sel_arg_struct *arg) -{ - struct sel_arg_struct a; - - if (copy_from_user(&a, arg, sizeof(a))) - return -EFAULT; - /* sys_select() does the appropriate kernel locking */ - return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp); -} - -/* - * sys_ipc() is the de-multiplexer for the SysV IPC calls.. - * - * This is really horribly ugly. - */ -asmlinkage int sys_ipc (uint call, int first, int second, - int third, void *ptr, long fifth) -{ - int version, ret; - - version = call >> 16; /* hack for backward compatibility */ - call &= 0xffff; - - if (call <= SEMCTL) - switch (call) { - case SEMOP: - return sys_semop (first, (struct sembuf *)ptr, second); - case SEMGET: - return sys_semget (first, second, third); - case SEMCTL: { - union semun fourth; - if (!ptr) - return -EINVAL; - if (get_user(fourth.__pad, (void **) ptr)) - return -EFAULT; - return sys_semctl (first, second, third, fourth); - } - default: - return -EINVAL; - } - if (call <= MSGCTL) - switch (call) { - case MSGSND: - return sys_msgsnd (first, (struct msgbuf *) ptr, - second, third); - case MSGRCV: - switch (version) { - case 0: { - struct ipc_kludge tmp; - if (!ptr) - return -EINVAL; - if (copy_from_user (&tmp, - (struct ipc_kludge *)ptr, - sizeof (tmp))) - return -EFAULT; - return sys_msgrcv (first, tmp.msgp, second, - tmp.msgtyp, third); - } - default: - return sys_msgrcv (first, - (struct msgbuf *) ptr, - second, fifth, third); - } - case MSGGET: - return sys_msgget ((key_t) first, second); - case MSGCTL: - return sys_msgctl (first, second, - (struct msqid_ds *) ptr); - default: - return -EINVAL; - } - if (call <= SHMCTL) - switch (call) { - case SHMAT: - switch (version) { - default: { - ulong raddr; - ret = do_shmat (first, (char *) ptr, - second, &raddr); - if (ret) - return ret; - return put_user (raddr, (ulong *) third); - } - } - case SHMDT: - return sys_shmdt ((char *)ptr); - case SHMGET: - return sys_shmget (first, second, third); - case SHMCTL: - return sys_shmctl (first, second, - (struct shmid_ds *) ptr); - default: - return -EINVAL; - } - - return -EINVAL; -} - /* sys_cacheflush -- no support. */ asmlinkage int sys_cacheflush (unsigned long addr, int scope, int cache, unsigned long len) |