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1da177e4 LT |
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> | |
4e950f6f | 16 | #include <linux/fs.h> |
1da177e4 | 17 | #include <linux/smp.h> |
1da177e4 LT |
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> | |
1da177e4 | 24 | #include <linux/syscalls.h> |
cba4fbbf | 25 | #include <linux/ipc.h> |
1da177e4 LT |
26 | |
27 | #include <asm/setup.h> | |
7c0f6ba6 | 28 | #include <linux/uaccess.h> |
1da177e4 | 29 | |
1da177e4 LT |
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 | { | |
1da177e4 LT |
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 */ | |
4280e312 | 39 | if (pgoff & ((1 << (PAGE_SHIFT - 12)) - 1)) |
1da177e4 | 40 | return -EINVAL; |
1da177e4 | 41 | |
f8b72560 AV |
42 | return sys_mmap_pgoff(addr, len, prot, flags, fd, |
43 | pgoff >> (PAGE_SHIFT - 12)); | |
1da177e4 | 44 | } |