syscall.h

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/*
 * Syscall support for the Hexagon architecture
 *
 * Copyright (c) 2010-2011, The Linux Foundation. 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