kernel-ark/arch/hexagon/include/asm/syscall.h
Richard Kuo b9398a8459 Hexagon: Add syscalls
Signed-off-by: Richard Kuo <rkuo@codeaurora.org>
Signed-off-by: Linas Vepstas <linas@codeaurora.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-11-01 07:34:18 -07:00

55 lines
1.7 KiB
C

/*
* Syscall support for the Hexagon architecture
*
* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#ifndef _ASM_HEXAGON_SYSCALL_H
#define _ASM_HEXAGON_SYSCALL_H
typedef long (*syscall_fn)(unsigned long, unsigned long,
unsigned long, unsigned long,
unsigned long, unsigned long);
asmlinkage int sys_execve(char __user *ufilename, char __user * __user *argv,
char __user * __user *envp);
asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
unsigned long parent_tidp, unsigned long child_tidp);
#define sys_execve sys_execve
#define sys_clone sys_clone
#include <asm-generic/syscalls.h>
extern void *sys_call_table[];
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
{
return regs->r06;
}
static inline void syscall_get_arguments(struct task_struct *task,
struct pt_regs *regs,
unsigned int i, unsigned int n,
unsigned long *args)
{
BUG_ON(i + n > 6);
memcpy(args, &(&regs->r00)[i], n * sizeof(args[0]));
}
#endif