1
/* sys_frv.c: FRV arch-specific syscall wrappers
3
* Copyright (C) 2003-5 Red Hat, Inc. All Rights Reserved.
4
* Written by David Howells (dhowells@redhat.com)
5
* - Derived from arch/m68k/kernel/sys_m68k.c
7
* This program is free software; you can redistribute it and/or
8
* modify it under the terms of the GNU General Public License
9
* as published by the Free Software Foundation; either version
10
* 2 of the License, or (at your option) any later version.
13
#include <linux/errno.h>
14
#include <linux/sched.h>
17
#include <linux/smp.h>
18
#include <linux/sem.h>
19
#include <linux/msg.h>
20
#include <linux/shm.h>
21
#include <linux/stat.h>
22
#include <linux/mman.h>
23
#include <linux/file.h>
24
#include <linux/syscalls.h>
25
#include <linux/ipc.h>
27
#include <asm/setup.h>
28
#include <asm/uaccess.h>
30
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
31
unsigned long prot, unsigned long flags,
32
unsigned long fd, unsigned long pgoff)
34
/* As with sparc32, make sure the shift for mmap2 is constant
35
(12), no matter what PAGE_SIZE we have.... */
37
/* But unlike sparc32, don't just silently break if we're
38
trying to map something we can't */
39
if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1))
42
return sys_mmap_pgoff(addr, len, prot, flags, fd,
43
pgoff >> (PAGE_SHIFT - 12));