2 * linux/arch/arm/kernel/sys_arm.c
4 * Copyright (C) People who wrote linux/arch/i386/kernel/sys_i386.c
5 * Copyright (C) 1995, 1996 Russell King.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * This file contains various random system calls that
12 * have a non-standard calling sequence on the Linux/arm
15 #include <linux/export.h>
16 #include <linux/errno.h>
17 #include <linux/sched.h>
19 #include <linux/sem.h>
20 #include <linux/msg.h>
21 #include <linux/shm.h>
22 #include <linux/stat.h>
23 #include <linux/syscalls.h>
24 #include <linux/mman.h>
26 #include <linux/file.h>
27 #include <linux/ipc.h>
28 #include <linux/uaccess.h>
29 #include <linux/slab.h>
31 /* Fork a new task - this creates a new program thread.
32 * This is called indirectly via a small wrapper
34 asmlinkage int sys_fork(struct pt_regs *regs)
37 return do_fork(SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL);
39 /* can not support in nommu mode */
44 /* Clone a task - this clones the calling program thread.
45 * This is called indirectly via a small wrapper
47 asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
48 int __user *parent_tidptr, int tls_val,
49 int __user *child_tidptr, struct pt_regs *regs)
54 return do_fork(clone_flags, newsp, regs, 0, parent_tidptr, child_tidptr);
57 asmlinkage int sys_vfork(struct pt_regs *regs)
59 return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL);
63 * Since loff_t is a 64 bit type we avoid a lot of ABI hassle
64 * with a different argument ordering.
66 asmlinkage long sys_arm_fadvise64_64(int fd, int advice,
67 loff_t offset, loff_t len)
69 return sys_fadvise64_64(fd, offset, len, advice);