1/*
2 * Syscall support for the Hexagon architecture
3 *
4 * Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 and
8 * only version 2 as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
18 * 02110-1301, USA.
19 */
20
21#ifndef _ASM_HEXAGON_SYSCALL_H
22#define _ASM_HEXAGON_SYSCALL_H
23
24typedef long (*syscall_fn)(unsigned long, unsigned long,
25	unsigned long, unsigned long,
26	unsigned long, unsigned long);
27
28#include <asm-generic/syscalls.h>
29
30extern void *sys_call_table[];
31
32static inline long syscall_get_nr(struct task_struct *task,
33				  struct pt_regs *regs)
34{
35	return regs->r06;
36}
37
38static inline void syscall_get_arguments(struct task_struct *task,
39					 struct pt_regs *regs,
40					 unsigned int i, unsigned int n,
41					 unsigned long *args)
42{
43	BUG_ON(i + n > 6);
44	memcpy(args, &(&regs->r00)[i], n * sizeof(args[0]));
45}
46#endif
47