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/* vi: set sw=4 ts=4: */

/* syscall for arm/uClibc

 *

 * Copyright (C) 2002 by Erik Andersen <andersen@uclibc.org>

 *

 * This program is free software; you can redistribute it and/or modify it

 * under the terms of the GNU Library General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or (at your

 * option) any later version.

 *

 * 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 Library General Public License

 * for more details.

 *

 * You should have received a copy of the GNU Library General Public License

 * along with this program; if not, write to the Free Software Foundation,

 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

 */

#include <features.h>

#include <errno.h>

#include <sys/types.h>

#include <sys/syscall.h>

long syscall(long sysnum, long a, long b, long c, long d, long e, long f)

{

    register long _r0 asm("r0")=(long)(sysnum);

    register long _r6 asm("r6")=(long)(f);

    register long _r5 asm("r5")=(long)(e);

    register long _r4 asm("r4")=(long)(d);

    register long _r3 asm("r3")=(long)(c);

    register long _r2 asm("r2")=(long)(b);

    register long _r1 asm("r1")=(long)(a);

    asm volatile(

            "swi %1"

            : "=r"(_r0)

            : "i"(__NR_syscall), "r"(_r0), "r"(_r1),

              "r"(_r2), "r"(_r3), "r"(_r4), "r"(_r5),

              "r"(_r6)

            : "memory");

    if(_r0 >=(unsigned long) -4095) {

        (*__errno_location())=(-_r0);

        _r0=(unsigned long) -1;

    }

    return (long) _r0;

}