83 lines
2.8 KiB
C
83 lines
2.8 KiB
C
/* $NetBSD: SYS.h,v 1.5 2004/07/01 06:50:04 skrll Exp $ */
|
|
|
|
/* $OpenBSD: SYS.h,v 1.9 2001/09/20 20:52:09 millert Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1998-1999 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.
|
|
* 3. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by Michael Shalayeff.
|
|
* 4. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* 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>
|
|
#include <machine/vmparam.h>
|
|
#undef _LOCORE
|
|
#define _LOCORE
|
|
#include <machine/frame.h>
|
|
|
|
#define SYSENTRY(x,n) ENTRY(x,n)
|
|
#define SYSEXIT(x) EXIT(x)
|
|
|
|
#define SYSCALL(x) !\
|
|
stw %rp, HPPA_FRAME_ERP(%sr0,%sp) !\
|
|
ldil L%SYSCALLGATE, %r1 !\
|
|
ble 4(%sr7, %r1) !\
|
|
ldi __CONCAT(SYS_,x), %t1 !\
|
|
.import __cerror, code !\
|
|
comb,<> %r0, %t1, __cerror !\
|
|
ldw HPPA_FRAME_ERP(%sr0,%sp), %rp
|
|
|
|
#define PSEUDO(x,y) !\
|
|
SYSENTRY(x,0) !\
|
|
SYSCALL(y) !\
|
|
bv %r0(%rp) !\
|
|
nop !\
|
|
SYSEXIT(x)
|
|
|
|
#define PSEUDO_NOERROR(x,y) !\
|
|
SYSENTRY(x,0) !\
|
|
stw %rp, HPPA_FRAME_ERP(%sr0,%sp) !\
|
|
ldil L%SYSCALLGATE, %r1 !\
|
|
ble 4(%sr7, %r1) !\
|
|
ldi __CONCAT(SYS_,y), %t1 !\
|
|
ldw HPPA_FRAME_ERP(%sr0,%sp), %rp !\
|
|
bv %r0(%rp) !\
|
|
nop !\
|
|
SYSEXIT(x)
|
|
|
|
#define RSYSCALL(x) PSEUDO(x,x)
|
|
#define RSYSCALL_NOERROR(x) PSEUDO_NOERROR(x,x)
|
|
|
|
#ifdef WEAK_ALIAS
|
|
#define WSYSCALL(weak,strong) !\
|
|
WEAK_ALIAS(weak,strong) !\
|
|
PSEUDO(strong,weak)
|
|
#else
|
|
#define WSYSCALL(weak,strong) !\
|
|
PSEUDO(weak,weak)
|
|
#endif
|