1999-07-28 20:28:47 +00:00
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/*
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* Copyright (c) 1999, Stefan Esser <se@freebsd.org>
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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 unmodified, this list of conditions, and the following
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* 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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*
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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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1999-08-28 01:08:13 +00:00
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* $FreeBSD$
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1999-07-28 20:28:47 +00:00
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*
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*/
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/*
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* Based on /sys/boot/alpha/libalpha/start.S
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* Copyright (c) 1992 Carnegie Mellon University
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*/
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#include <machine/asm.h>
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.text
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#define ENTRY_FRAME 32
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NESTED(_start, 1, ENTRY_FRAME, ra, 0, 0)
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br pv,Lstartgp
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Lstartgp:
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LDGP(pv)
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lda a0,_edata
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lda a1,_end
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subq a1,a0,a1
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CALL(bzero)
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lda sp, -8(sp)
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stq ra, 0(sp)
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CALL(main) /* transfer to C */
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ldq ra, 0(sp)
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lda sp, 8(sp)
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RET /* XXX */
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XLEAF(_rtt, 0)
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XLEAF(halt, 0)
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call_pal PAL_halt /* halt if we ever return */
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END(_start)
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