Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* sys_frv.c: FRV arch-specific syscall wrappers |
| 2 | * |
| 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 |
| 6 | * |
| 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. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/errno.h> |
| 14 | #include <linux/sched.h> |
| 15 | #include <linux/mm.h> |
Alexey Dobriyan | 4e950f6 | 2007-07-30 02:36:13 +0400 | [diff] [blame] | 16 | #include <linux/fs.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 17 | #include <linux/smp.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 24 | #include <linux/syscalls.h> |
Adrian Bunk | cba4fbb | 2007-10-16 23:29:24 -0700 | [diff] [blame] | 25 | #include <linux/ipc.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 26 | |
| 27 | #include <asm/setup.h> |
| 28 | #include <asm/uaccess.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 29 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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) |
| 33 | { |
David Howells | 4280e31 | 2008-12-01 13:14:00 -0800 | [diff] [blame] | 34 | /* As with sparc32, make sure the shift for mmap2 is constant |
| 35 | (12), no matter what PAGE_SIZE we have.... */ |
| 36 | |
| 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)) |
| 40 | return -EINVAL; |
David Howells | 4280e31 | 2008-12-01 13:14:00 -0800 | [diff] [blame] | 41 | |
Al Viro | f8b7256 | 2009-11-30 17:37:04 -0500 | [diff] [blame] | 42 | return sys_mmap_pgoff(addr, len, prot, flags, fd, |
| 43 | pgoff >> (PAGE_SHIFT - 12)); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | } |