1*abb9139aSmatt /* $NetBSD: SYS.h,v 1.2 2014/09/05 18:09:37 matt Exp $ */ 2*abb9139aSmatt 3*abb9139aSmatt /*- 4*abb9139aSmatt * Copyright (c) 2014 The NetBSD Foundation, Inc. 5*abb9139aSmatt * All rights reserved. 6*abb9139aSmatt * 7*abb9139aSmatt * This code is derived from software contributed to The NetBSD Foundation 8*abb9139aSmatt * by Matt Thomas of 3am Software Foundry. 9*abb9139aSmatt * 10*abb9139aSmatt * Redistribution and use in source and binary forms, with or without 11*abb9139aSmatt * modification, are permitted provided that the following conditions 12*abb9139aSmatt * are met: 13*abb9139aSmatt * 1. Redistributions of source code must retain the above copyright 14*abb9139aSmatt * notice, this list of conditions and the following disclaimer. 15*abb9139aSmatt * 2. Redistributions in binary form must reproduce the above copyright 16*abb9139aSmatt * notice, this list of conditions and the following disclaimer in the 17*abb9139aSmatt * documentation and/or other materials provided with the distribution. 18*abb9139aSmatt * 19*abb9139aSmatt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20*abb9139aSmatt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21*abb9139aSmatt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22*abb9139aSmatt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23*abb9139aSmatt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24*abb9139aSmatt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25*abb9139aSmatt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26*abb9139aSmatt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27*abb9139aSmatt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28*abb9139aSmatt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29*abb9139aSmatt * POSSIBILITY OF SUCH DAMAGE. 30*abb9139aSmatt */ 3127620987Smatt 3227620987Smatt #include <machine/asm.h> 3327620987Smatt #include <sys/syscall.h> 34*abb9139aSmatt #include "sysassym.h" 3527620987Smatt 3627620987Smatt #define _DOSYSCALL(x) l.addi r13,r0,(SYS_ ## x) ;\ 3727620987Smatt l.sys 0 ;\ 3827620987Smatt l.nop 3927620987Smatt 40*abb9139aSmatt #define _SYSCALL_NOERROR(x,y) ENTRY(x) ;\ 41*abb9139aSmatt .if NSYSARGS_##y > 6 ;\ 42*abb9139aSmatt l.lwz r11, 0(r1) ;\ 43*abb9139aSmatt .endif ;\ 44*abb9139aSmatt .if NSYSARGS_##y > 7 ;\ 45*abb9139aSmatt l.lwz r12, 4(r1) ;\ 46*abb9139aSmatt .endif ;\ 4727620987Smatt _DOSYSCALL(y) 4827620987Smatt 49*abb9139aSmatt #define _SYSCALL(x,y) _SYSCALL_NOERROR(x,y) ;\ 50*abb9139aSmatt l.bf _C_LABEL(__cerror) ;\ 5127620987Smatt l.nop 5227620987Smatt 5327620987Smatt #define SYSCALL_NOERROR(x) _SYSCALL_NOERROR(x,x) 5427620987Smatt 5527620987Smatt #define SYSCALL(x) _SYSCALL(x,x) 5627620987Smatt 5727620987Smatt #define PSEUDO_NOERROR(x,y) _SYSCALL_NOERROR(x,y) ;\ 5827620987Smatt l.jr lr ;\ 5927620987Smatt l.nop ;\ 6027620987Smatt END(x) 6127620987Smatt 6227620987Smatt #define PSEUDO(x,y) _SYSCALL_NOERROR(x,y) ;\ 6327620987Smatt l.bf _C_LABEL(__cerror) ;\ 6427620987Smatt l.nop ;\ 6527620987Smatt l.jr lr ;\ 6627620987Smatt l.nop ;\ 6727620987Smatt END(x) 6827620987Smatt 6927620987Smatt #define RSYSCALL_NOERROR(x) PSEUDO_NOERROR(x,x) 7027620987Smatt 7127620987Smatt #define RSYSCALL(x) PSEUDO(x,x) 7227620987Smatt 7327620987Smatt #define WSYSCALL(weak,strong) WEAK_ALIAS(weak,strong) ;\ 7427620987Smatt PSEUDO(strong,weak) 75