| @@ -1,49 +1,47 @@ | | | @@ -1,49 +1,47 @@ |
| 1 | /* $NetBSD: crt0.S,v 1.2 2012/08/11 01:33:36 matt Exp $ */ | | 1 | /* $NetBSD: crt0.S,v 1.3 2012/08/11 07:25:44 matt Exp $ */ |
| 2 | | | 2 | |
| 3 | /* | | 3 | /*- |
| 4 | * Copyright (C) 1997 Mark Brinicombe | | 4 | * Copyright (c) 2012 The NetBSD Foundation, Inc. |
| 5 | * Copyright (C) 1995 Wolfgang Solfrank. | | | |
| 6 | * Copyright (C) 1995 TooLs GmbH. | | | |
| 7 | * All rights reserved. | | 5 | * All rights reserved. |
| 8 | * | | 6 | * |
| | | 7 | * This code is derived from software contributed to The NetBSD Foundation |
| | | 8 | * by Matt Thomas of 3am Software Foundry. |
| | | 9 | * |
| 9 | * Redistribution and use in source and binary forms, with or without | | 10 | * Redistribution and use in source and binary forms, with or without |
| 10 | * modification, are permitted provided that the following conditions | | 11 | * modification, are permitted provided that the following conditions |
| 11 | * are met: | | 12 | * are met: |
| 12 | * 1. Redistributions of source code must retain the above copyright | | 13 | * 1. Redistributions of source code must retain the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer. | | 14 | * notice, this list of conditions and the following disclaimer. |
| 14 | * 2. Redistributions in binary form must reproduce the above copyright | | 15 | * 2. Redistributions in binary form must reproduce the above copyright |
| 15 | * notice, this list of conditions and the following disclaimer in the | | 16 | * notice, this list of conditions and the following disclaimer in the |
| 16 | * documentation and/or other materials provided with the distribution. | | 17 | * documentation and/or other materials provided with the distribution. |
| 17 | * 3. All advertising materials mentioning features or use of this software | | | |
| 18 | * must display the following acknowledgement: | | | |
| 19 | * This product includes software developed by TooLs GmbH. | | | |
| 20 | * 4. The name of TooLs GmbH may not be used to endorse or promote products | | | |
| 21 | * derived from this software without specific prior written permission. | | | |
| 22 | * | | 18 | * |
| 23 | * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR | | 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 24 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | | 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 25 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | | 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 26 | * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | | 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 27 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | | 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 28 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | | 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 29 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | | 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 30 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | | 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 31 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | | 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 32 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | | 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| | | 29 | * POSSIBILITY OF SUCH DAMAGE. |
| 33 | */ | | 30 | */ |
| 34 | #include <machine/asm.h> | | | |
| 35 | | | 31 | |
| 36 | RCSID("$NetBSD: crt0.S,v 1.2 2012/08/11 01:33:36 matt Exp $") | | 32 | #include <arm/asm.h> |
| | | 33 | |
| | | 34 | RCSID("$NetBSD: crt0.S,v 1.3 2012/08/11 07:25:44 matt Exp $") |
| 37 | | | 35 | |
| 38 | STRONG_ALIAS(_start,__start) | | 36 | STRONG_ALIAS(_start,__start) |
| 39 | | | 37 | |
| 40 | _ENTRY(__start) | | 38 | _ENTRY(__start) |
| 41 | /* | | 39 | /* |
| 42 | * We need to swap ps_strings and cleanup | | 40 | * We need to swap ps_strings and cleanup |
| 43 | */ | | 41 | */ |
| 44 | mov ip, r0 /* ps_strings -> tmp */ | | 42 | mov ip, r0 /* ps_strings -> tmp */ |
| 45 | mov r0, r2 /* cleanup -> ps_strings */ | | 43 | mov r0, r2 /* cleanup -> ps_strings */ |
| 46 | mov r2, ip /* tmp -> ps_strings */ | | 44 | mov r2, ip /* tmp -> ps_strings */ |
| 47 | | | 45 | |
| 48 | /* Ensure the stack is properly aligned before calling C code. */ | | 46 | /* Ensure the stack is properly aligned before calling C code. */ |
| 49 | bic sp, sp, #7 | | 47 | bic sp, sp, #7 |