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/* $OpenBSD: SYS.h,v 1.2 2006/01/05 22:19:49 kettenis Exp $ */
/*
* Copyright (c) 1998-2002 Michael Shalayeff
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF MIND
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/syscall.h>
#include <machine/asm.h>
#undef _LOCORE
#define _LOCORE
#include <machine/frame.h>
#include <machine/vmparam.h>
#undef _LOCORE
#define SYSENTRY(x) !\
LEAF_ENTRY(__CONCAT(_thread_sys_,x)) !\
.weak x ! .set x, __CONCAT(_thread_sys_,x)
#define SYSEXIT(x) !\
EXIT(__CONCAT(_thread_sys_,x))
#define SYSCALL(x) !\
std rp, HPPA_FRAME_ERP(sr0,sp) !\
ldil L%SYSCALLGATE, r1 !\
ble 4(sr7, r1) !\
ldi __CONCAT(SYS_,x), r1 !\
.import __cerror, code !\
comb,<> r0, t1, __cerror !\
ldd HPPA_FRAME_ERP(sr0,sp), rp
#define PSEUDO(x,y) !\
SYSENTRY(x) !\
SYSCALL(y) !\
bv r0(rp) !\
nop !\
SYSEXIT(x)
#define PSEUDO_NOERROR(x,y) !\
SYSENTRY(x) !\
std rp, HPPA_FRAME_ERP(sr0,sp) !\
ldil L%SYSCALLGATE, r1 !\
ble 4(sr7, r1) !\
ldi __CONCAT(SYS_,y), r1 !\
ldd HPPA_FRAME_ERP(sr0,sp), rp !\
bv r0(rp) !\
nop !\
SYSEXIT(x)
#define RSYSCALL(x) PSEUDO(x,x)
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