blob: f80cc8b9bd45a71dc1a1e4a88e94377829dfc161 [file] [log] [blame]
/* sys_frv.c: FRV arch-specific syscall wrappers
* Copyright (C) 2003-5 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (
* - Derived from arch/m68k/kernel/sys_m68k.c
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/fs.h>
#include <linux/smp.h>
#include <linux/sem.h>
#include <linux/msg.h>
#include <linux/shm.h>
#include <linux/stat.h>
#include <linux/mman.h>
#include <linux/file.h>
#include <linux/syscalls.h>
#include <linux/ipc.h>
#include <asm/setup.h>
#include <linux/uaccess.h>
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
unsigned long prot, unsigned long flags,
unsigned long fd, unsigned long pgoff)
/* As with sparc32, make sure the shift for mmap2 is constant
(12), no matter what PAGE_SIZE we have.... */
/* But unlike sparc32, don't just silently break if we're
trying to map something we can't */
if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1))
return -EINVAL;
return sys_mmap_pgoff(addr, len, prot, flags, fd,
pgoff >> (PAGE_SHIFT - 12));