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fc4fb2ad CZ |
1 | /* |
2 | * arch/xtensa/kernel/syscall.c | |
3 | * | |
4 | * This file is subject to the terms and conditions of the GNU General Public | |
5 | * License. See the file "COPYING" in the main directory of this archive | |
6 | * for more details. | |
7 | * | |
8 | * Copyright (C) 2001 - 2005 Tensilica Inc. | |
9 | * Copyright (C) 2000 Silicon Graphics, Inc. | |
10 | * Copyright (C) 1995 - 2000 by Ralf Baechle | |
11 | * | |
12 | * Joe Taylor <joe@tensilica.com, joetylr@yahoo.com> | |
13 | * Marc Gauthier <marc@tensilica.com, marc@alumni.uwaterloo.ca> | |
14 | * Chris Zankel <chris@zankel.net> | |
15 | * Kevin Chea | |
16 | * | |
17 | */ | |
18 | #include <asm/uaccess.h> | |
1c0350bd | 19 | #include <asm/syscall.h> |
fc4fb2ad CZ |
20 | #include <asm/unistd.h> |
21 | #include <linux/linkage.h> | |
22 | #include <linux/stringify.h> | |
23 | #include <linux/errno.h> | |
24 | #include <linux/syscalls.h> | |
25 | #include <linux/file.h> | |
26 | #include <linux/fs.h> | |
27 | #include <linux/mman.h> | |
28 | #include <linux/shm.h> | |
29 | ||
30 | typedef void (*syscall_t)(void); | |
31 | ||
32 | syscall_t sys_call_table[__NR_syscall_count] /* FIXME __cacheline_aligned */= { | |
33 | [0 ... __NR_syscall_count - 1] = (syscall_t)&sys_ni_syscall, | |
34 | ||
fc4fb2ad | 35 | #define __SYSCALL(nr,symbol,nargs) [ nr ] = (syscall_t)symbol, |
2f72d4f6 | 36 | #include <uapi/asm/unistd.h> |
fc4fb2ad CZ |
37 | }; |
38 | ||
fc4fb2ad CZ |
39 | asmlinkage long xtensa_shmat(int shmid, char __user *shmaddr, int shmflg) |
40 | { | |
41 | unsigned long ret; | |
42 | long err; | |
43 | ||
079a96ae | 44 | err = do_shmat(shmid, shmaddr, shmflg, &ret, SHMLBA); |
fc4fb2ad CZ |
45 | if (err) |
46 | return err; | |
47 | return (long)ret; | |
48 | } | |
49 | ||
2f72d4f6 CZ |
50 | asmlinkage long xtensa_fadvise64_64(int fd, int advice, |
51 | unsigned long long offset, unsigned long long len) | |
bc671aa9 CZ |
52 | { |
53 | return sys_fadvise64_64(fd, offset, len, advice); | |
54 | } |