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/*
* libc/sysdeps/linux/nios2/syscall.c -- generic syscall function for linux/nios2
*
* Copyright (C) 2004 Microtronix Datacom Ltd.
*
* 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; see the file COPYING.LIB. If not, see
* <http://www.gnu.org/licenses/>.
*/
#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 _r2 __asm__("r2")=(long)TRAP_ID_SYSCALL;
register long _r3 __asm__("r3")=(long)sysnum;
register long _r4 __asm__("r4")=(long)(a);
register long _r5 __asm__("r5")=(long)(b);
register long _r6 __asm__("r6")=(long)(c);
register long _r7 __asm__("r7")=(long)(d);
register long _r8 __asm__("r8")=(long)(e);
register long _r9 __asm__("r9")=(long)(f);
__asm__ __volatile__(
"trap "
: "=r"(_r2), "=r"(_r3)
: "0"(_r2), "1"(_r3),
"r"(_r4), "r"(_r5), "r"(_r6), "r"(_r7), "r"(_r8), "r"(_r9)
: "memory");
__syscall_return (long, _r2);
}
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