1995-07-26 03:11:53 +04:00
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/*
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2000-12-04 23:31:16 +03:00
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* $NetBSD: start.s,v 1.7 2000/12/04 20:31:16 scw Exp $
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1995-07-26 03:11:53 +04:00
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*
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* Copyright (c) 1995 Charles D. Cranor
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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 by Charles D. Cranor.
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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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/*
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* start: at address 0x4000, load at 0xa000 (so put stack at 0x9ff0)
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*/
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2000-12-01 01:26:26 +03:00
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#include <m68k/asm.h>
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.text
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2000-12-04 23:31:16 +03:00
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ASENTRY_NOPROFILE(_start)
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2000-12-01 01:26:26 +03:00
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ASENTRY_NOPROFILE(start)
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movb #0,_C_LABEL(reboot)
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1995-07-26 03:11:53 +04:00
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jra Ldoit
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restart:
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2000-12-01 01:26:26 +03:00
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movb #1,_C_LABEL(reboot) | fall through
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1995-07-26 03:11:53 +04:00
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Ldoit:
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2000-12-01 01:26:26 +03:00
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movl #0x00006ff0,%sp
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jsr _C_LABEL(sboot)
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1995-07-26 03:11:53 +04:00
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1996-05-19 23:58:41 +04:00
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Lname:
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.ascii "sboot\0"
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2000-12-01 01:26:26 +03:00
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ENTRY_NOPROFILE(go)
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clrl %d0 | dev lun
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clrl %d1 | ctrl lun
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movl #0x2c, %d4 | flags for IPL
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movl #0xfffe1800, %a0 | address of "disk" ctrl
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movl %sp@(4), %a1 | entry point of loaded program
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movl %d0, %a2 | media config block (NULL)
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movl %sp@(8), %a3 | nb args (start)
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movl %sp@(12), %a4 | nb end args
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movl #Lname, %a5 | args
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movl #Lname+5, %a6 | end args
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1996-05-19 23:58:41 +04:00
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| SRT0 will set stack
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2000-12-01 01:26:26 +03:00
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jmp %a1@ | GO!
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