/* 
 * Copyright 2010 Stefan Lankes, Chair for Operating Systems,
 *                               RWTH Aachen University
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * This file is part of MetalSVM.
 */

#ifndef __ARCH_SYSCALL_H__
#define __ARCH_SYSCALL_H__

#include <metalsvm/stddef.h>

#ifdef __cplusplus
extern "C" {
#endif

#define _STR(token)		#token
#define _SYSCALLSTR(x)		"int $" _STR(x) " "

#define SYSCALL0(NR)		asm volatile (_SYSCALLSTR(INT_SYSCALL) : : "a"(NR))
#define SYSCALL1(NR, ARG1)	asm volatile (_SYSCALLSTR(INT_SYSCALL) : : "a" (NR), "b" (ARG1))

#ifdef __cplusplus
}
#endif

#endif