2 * linux/arch/unicore32/kernel/sys.c
4 * Code specific to PKUnity SoC and UniCore ISA
6 * Copyright (C) 2001-2010 GUAN Xue-tao
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
12 #include <linux/module.h>
13 #include <linux/errno.h>
14 #include <linux/sched.h>
15 #include <linux/slab.h>
17 #include <linux/sem.h>
18 #include <linux/msg.h>
19 #include <linux/shm.h>
20 #include <linux/stat.h>
21 #include <linux/syscalls.h>
22 #include <linux/mman.h>
24 #include <linux/file.h>
25 #include <linux/ipc.h>
26 #include <linux/uaccess.h>
28 #include <asm/syscalls.h>
29 #include <asm/cacheflush.h>
31 /* Clone a task - this clones the calling program thread.
32 * This is called indirectly via a small wrapper
34 asmlinkage long __sys_clone(unsigned long clone_flags, unsigned long newsp,
35 void __user *parent_tid, void __user *child_tid,
39 newsp = regs->UCreg_sp;
41 return do_fork(clone_flags, newsp, regs, 0,
42 parent_tid, child_tid);
45 /* sys_execve() executes a new program.
46 * This is called indirectly via a small wrapper
48 asmlinkage long __sys_execve(const char __user *filename,
49 const char __user *const __user *argv,
50 const char __user *const __user *envp,
56 fn = getname(filename);
60 error = do_execve(fn->name, argv, envp, regs);
66 /* Note: used by the compat code even in 64-bit Linux. */
67 SYSCALL_DEFINE6(mmap2, unsigned long, addr, unsigned long, len,
68 unsigned long, prot, unsigned long, flags,
69 unsigned long, fd, unsigned long, off_4k)
71 return sys_mmap_pgoff(addr, len, prot, flags, fd,
75 /* Provide the actual syscall number to call mapping. */
77 #define __SYSCALL(nr, call) [nr] = (call),
79 /* Note that we don't include <linux/unistd.h> but <asm/unistd.h> */
80 void *sys_call_table[__NR_syscalls] = {
81 [0 ... __NR_syscalls-1] = sys_ni_syscall,
82 #include <asm/unistd.h>