Return to osf1_locore.s CVS log

Up to [local] / sys / arch / alpha / alpha

Annotation of sys/arch/alpha/alpha/osf1_locore.s, Revision 1.1

1.1     ! nbrk        1: /* $OpenBSD: osf1_locore.s,v 1.1 2000/08/12 20:10:31 ericj Exp $ */
        !             2: /* $NetBSD$ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1999 Christopher G. Demetriou.  All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  * 3. All advertising materials mentioning features or use of this software
        !            16:  *    must display the following acknowledgement:
        !            17:  *      This product includes software developed by Christopher G. Demetriou
        !            18:  *     for the NetBSD Project.
        !            19:  * 4. The name of the author may not be used to endorse or promote products
        !            20:  *    derived from this software without specific prior written permission
        !            21:  *
        !            22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            32:  */
        !            33:
        !            34: /*
        !            35:  * Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
        !            36:  * All rights reserved.
        !            37:  *
        !            38:  * Author: Chris G. Demetriou
        !            39:  *
        !            40:  * Permission to use, copy, modify and distribute this software and
        !            41:  * its documentation is hereby granted, provided that both the copyright
        !            42:  * notice and this permission notice appear in all copies of the
        !            43:  * software, derivative works or modified versions, and any portions
        !            44:  * thereof, and that both notices appear in supporting documentation.
        !            45:  *
        !            46:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            47:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
        !            48:  * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            49:  *
        !            50:  * Carnegie Mellon requests users of this software to return to
        !            51:  *
        !            52:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
        !            53:  *  School of Computer Science
        !            54:  *  Carnegie Mellon University
        !            55:  *  Pittsburgh PA 15213-3890
        !            56:  *
        !            57:  * any improvements or extensions that they make and grant Carnegie the
        !            58:  * rights to redistribute these changes.
        !            59:  */
        !            60:
        !            61: #include <machine/asm.h>
        !            62:
        !            63: #ifdef COMPAT_OSF1
        !            64: #include <compat/osf1/osf1_syscall.h>
        !            65: #endif
        !            66:
        !            67: /*
        !            68:  * OSF/1 signal trampoline code.
        !            69:  */
        !            70:
        !            71: #define OSF1_SYSCALLNUM(name)                                  \
        !            72:        ___CONCAT(OSF1_SYS_,name)
        !            73:
        !            74: #define OSF1_CALLSYS_NOERROR(name)                             \
        !            75:        ldiq    v0, OSF1_SYSCALLNUM(name);                      \
        !            76:        call_pal PAL_OSF1_callsys
        !            77:
        !            78: NESTED(osf1_sigcode,0,0,ra,0,0)
        !            79:        lda     sp, -16(sp)
        !            80:        stq     a2, 0(sp)
        !            81:        jsr     ra, (t12)
        !            82:        ldq     a0, 0(sp)
        !            83:        lda     sp, 16(sp)
        !            84:        OSF1_CALLSYS_NOERROR(sigreturn)
        !            85:        mov     v0, a0
        !            86:        OSF1_CALLSYS_NOERROR(exit)
        !            87: XNESTED(osf1_esigcode,0)
        !            88:        END(osf1_sigcode)