113 lines
3.9 KiB
ArmAsm
113 lines
3.9 KiB
ArmAsm
/* $NetBSD: ubavec.s,v 1.2 1995/02/23 17:53:22 ragge Exp $ */
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/*
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* Copyright (c) 1994 Ludd, University of Lule}, Sweden.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed at Ludd, University of Lule}.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* All bugs are subject to removal without further notice */
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/*
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* Interrupt vectors for Unibus; already at the right place at boot.
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* This allocation should be done in some other way, 8600 has its
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* second SCB at the same place as 750's first UBA vector... foolish.
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*/
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#define UBAVEC(lab,off) .long lab+(off)*8+1;
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#define UBAVEC2(lab,off) UBAVEC(lab,off);UBAVEC(lab,off+1)
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#define UBAVEC4(lab,off) UBAVEC2(lab,off);UBAVEC2(lab,off+2)
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#define UBAVEC8(lab,off) UBAVEC4(lab,off);UBAVEC4(lab,off+4)
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#define UBAVEC16(lab,off) UBAVEC8(lab,off);UBAVEC8(lab,off+8)
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.globl _UNIvec, _eUNIvec, ubaett
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_UNIvec:
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UBAVEC16(ubaett,0);UBAVEC16(ubaett,16);
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UBAVEC16(ubaett,32);UBAVEC16(ubaett,48);
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UBAVEC16(ubaett,64);UBAVEC16(ubaett,80);
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UBAVEC16(ubaett,96);UBAVEC16(ubaett,112);
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UBAVEC16(ubatva,0);UBAVEC16(ubatva,16);
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UBAVEC16(ubatva,32);UBAVEC16(ubatva,48);
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UBAVEC16(ubatva,64);UBAVEC16(ubatva,80);
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UBAVEC16(ubatva,96);UBAVEC16(ubatva,112);
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UBAVEC16(ubatre,0);UBAVEC16(ubatre,16);
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UBAVEC16(ubatre,32);UBAVEC16(ubatre,48);
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UBAVEC16(ubatre,64);UBAVEC16(ubatre,80);
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UBAVEC16(ubatre,96);UBAVEC16(ubatre,112);
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UBAVEC16(ubafyra,0);UBAVEC16(ubafyra,16);
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UBAVEC16(ubafyra,32);UBAVEC16(ubafyra,48);
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UBAVEC16(ubafyra,64);UBAVEC16(ubafyra,80);
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UBAVEC16(ubafyra,96);UBAVEC16(ubafyra,112);
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_eUNIvec:
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#define PR(uba) .align 2;pushr $0x3f;jsb uba ;
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#define UBAJSB4(uba) PR(uba);PR(uba);PR(uba);PR(uba);
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#define UBAJSB16(uba) UBAJSB4(uba);UBAJSB4(uba);UBAJSB4(uba);UBAJSB4(uba);
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#define UBAJSB64(uba) UBAJSB16(uba);UBAJSB16(uba);UBAJSB16(uba);UBAJSB16(uba)
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ubaett:
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UBAJSB64(ett);UBAJSB64(ett);UBAJSB64(ett);UBAJSB64(ett);
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ubatva:
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UBAJSB64(tva);UBAJSB64(tva);UBAJSB64(tva);UBAJSB64(tva);
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ubatre:
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UBAJSB64(tre);UBAJSB64(tre);UBAJSB64(tre);UBAJSB64(tre);
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ubafyra:
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UBAJSB64(fyra);UBAJSB64(fyra);UBAJSB64(fyra);UBAJSB64(fyra);
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ett: subl3 $ubaett, (sp), r0
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ashl $-3, r0, (sp)
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pushl $0
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brb 1f
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tva: subl3 $ubatva, (sp), r0
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ashl $-3, r0, (sp)
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pushl $1
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brb 1f
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tre: subl3 $ubatre, (sp), r0
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ashl $-3, r0, (sp)
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pushl $2
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brb 1f
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.globl ett,tva,tre,fyra
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fyra: subl3 $ubafyra, (sp), r0
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ashl $-3, r0, (sp)
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pushl $3
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1: mfpr $PR_IPL, -(sp)
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calls $3, _ubainterrupt
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popr $0x3f
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rei
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