crt0.S revision 1.1
1 1.1 joerg /* $NetBSD: crt0.S,v 1.1 2010/08/07 18:01:34 joerg Exp $ */ 2 1.1 joerg 3 1.1 joerg /* 4 1.1 joerg * Copyright (c) 1998 Christos Zoulas 5 1.1 joerg * Copyright (c) 1995 Christopher G. Demetriou 6 1.1 joerg * All rights reserved. 7 1.1 joerg * 8 1.1 joerg * Redistribution and use in source and binary forms, with or without 9 1.1 joerg * modification, are permitted provided that the following conditions 10 1.1 joerg * are met: 11 1.1 joerg * 1. Redistributions of source code must retain the above copyright 12 1.1 joerg * notice, this list of conditions and the following disclaimer. 13 1.1 joerg * 2. Redistributions in binary form must reproduce the above copyright 14 1.1 joerg * notice, this list of conditions and the following disclaimer in the 15 1.1 joerg * documentation and/or other materials provided with the distribution. 16 1.1 joerg * 3. All advertising materials mentioning features or use of this software 17 1.1 joerg * must display the following acknowledgement: 18 1.1 joerg * This product includes software developed for the 19 1.1 joerg * NetBSD Project. See http://www.NetBSD.org/ for 20 1.1 joerg * information about NetBSD. 21 1.1 joerg * 4. The name of the author may not be used to endorse or promote products 22 1.1 joerg * derived from this software without specific prior written permission. 23 1.1 joerg * 24 1.1 joerg * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 25 1.1 joerg * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 26 1.1 joerg * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 27 1.1 joerg * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 28 1.1 joerg * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 1.1 joerg * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 30 1.1 joerg * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 31 1.1 joerg * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 32 1.1 joerg * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 33 1.1 joerg * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 34 1.1 joerg * 35 1.1 joerg * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>> 36 1.1 joerg */ 37 1.1 joerg 38 1.1 joerg #include <machine/asm.h> 39 1.1 joerg 40 1.1 joerg RCSID("$NetBSD: crt0.S,v 1.1 2010/08/07 18:01:34 joerg Exp $") 41 1.1 joerg 42 1.1 joerg STRONG_ALIAS(_start,__start) 43 1.1 joerg 44 1.1 joerg _ENTRY(__start) 45 1.1 joerg mov 0, %fp 46 1.1 joerg ld [%sp + 64], %o0 ! get argc 47 1.1 joerg add %sp, 68, %o1 ! get argv 48 1.1 joerg sll %o0, 2, %o2 ! 49 1.1 joerg add %o2, 4, %o2 ! envp = argv + (argc << 2) + 4 50 1.1 joerg add %o1, %o2, %o2 ! 51 1.1 joerg andn %sp, 7, %sp ! align 52 1.1 joerg sub %sp, 24, %sp ! expand to standard stack frame size 53 1.1 joerg mov %g3, %o3 54 1.1 joerg mov %g2, %o4 55 1.1 joerg call ___start 56 1.1 joerg mov %g1, %o5 57
Indexes created Mon Sep 29 21:09:56 GMT 2025