/* * Copyright (c) 1999, Stefan Esser * 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 unmodified, 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. * * 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 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. * * $FreeBSD$ * */ /* * Based on /sys/boot/alpha/libalpha/start.S * Copyright (c) 1992 Carnegie Mellon University */ #include .text #define ENTRY_FRAME 32 NESTED(_start, 1, ENTRY_FRAME, ra, 0, 0) br pv,Lstartgp Lstartgp: LDGP(pv) lda a0,_edata lda a1,_end subq a1,a0,a1 CALL(bzero) lda sp, -8(sp) stq ra, 0(sp) CALL(main) /* transfer to C */ ldq ra, 0(sp) lda sp, 8(sp) RET /* XXX */ XLEAF(_rtt, 0) XLEAF(halt, 0) call_pal PAL_halt /* halt if we ever return */ END(_start)