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crt0.S revision 1.3.32.1
      1  1.3.32.1  christos /*	$NetBSD: crt0.S,v 1.3.32.1 2019/06/10 22:05:13 christos Exp $	*/
      2       1.1     joerg 
      3       1.3      matt /*-
      4       1.3      matt  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5       1.1     joerg  * All rights reserved.
      6       1.1     joerg  *
      7       1.3      matt  * This code is derived from software contributed to The NetBSD Foundation
      8       1.3      matt  * by Matt Thomas of 3am Software Foundry.
      9       1.3      matt  *
     10       1.1     joerg  * Redistribution and use in source and binary forms, with or without
     11       1.1     joerg  * modification, are permitted provided that the following conditions
     12       1.1     joerg  * are met:
     13       1.1     joerg  * 1. Redistributions of source code must retain the above copyright
     14       1.1     joerg  *    notice, this list of conditions and the following disclaimer.
     15       1.1     joerg  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1     joerg  *    notice, this list of conditions and the following disclaimer in the
     17       1.1     joerg  *    documentation and/or other materials provided with the distribution.
     18       1.1     joerg  *
     19       1.3      matt  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20       1.3      matt  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21       1.3      matt  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22       1.3      matt  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23       1.3      matt  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24       1.3      matt  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25       1.3      matt  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26       1.3      matt  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27       1.3      matt  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28       1.3      matt  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29       1.3      matt  * POSSIBILITY OF SUCH DAMAGE.
     30       1.1     joerg  */
     31       1.1     joerg 
     32       1.3      matt #include <arm/asm.h>
     33       1.3      matt 
     34  1.3.32.1  christos RCSID("$NetBSD: crt0.S,v 1.3.32.1 2019/06/10 22:05:13 christos Exp $")
     35       1.1     joerg 
     36       1.1     joerg STRONG_ALIAS(_start,__start)
     37       1.1     joerg 
     38       1.1     joerg _ENTRY(__start)
     39       1.2      matt 	/*
     40  1.3.32.1  christos 	 * ps_strings is passed in r0 and cleanup in r2.
     41  1.3.32.1  christos 	 * It should be ps_string in r1 and cleanup in r0.
     42       1.2      matt  	 */
     43  1.3.32.1  christos 	mov	r1, r0
     44  1.3.32.1  christos 	mov	r0, r2
     45       1.1     joerg 
     46       1.1     joerg 	/* Ensure the stack is properly aligned before calling C code. */
     47       1.1     joerg 	bic	sp, sp, #7
     48       1.2      matt 
     49       1.2      matt 	/*
     50       1.2      matt 	 * void ___start(void (*cleanup)(void),
     51       1.2      matt 	 *    struct ps_strings *ps_strings);
     52       1.2      matt 	 */
     53       1.1     joerg 
     54       1.1     joerg 	b	___start
     55