1 /* $NetBSD: features.c,v 1.1 2014/02/27 09:37:02 matt Exp $ */ 2 /*- 3 * Copyright (c) 2014 The NetBSD Foundation, Inc. 4 * All rights reserved. 5 * 6 * This code is derived from software contributed to The NetBSD Foundation 7 * by Matt Thomas of 3am Software Foundry. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 /* 32 * This file is used to have the compiler check for feature and then 33 * have make set a variable based on that test. 34 * 35 * FEAT_EABI!=if ${COMPILE.c} -fsyntax-only -DEABI_TEST ${TESTFILE} >/dev/null 2>/dev/null; then echo yes; else echo no; fi 36 * FEAT_LDREX!=if ${COMPILE.c} -fsyntax-only -DLDREX_TEST ${TESTFILE} >/dev/null 2>/dev/null; then echo yes; else echo no; fi 37 * FEAT_LDRD!=if ${COMPILE.c} -fsyntax-only -DLDRD_TEST ${TESTFILE} >/dev/null 2>/dev/null; then echo yes; else echo no; fi 38 * FEAT_THUMB2!=if ${COMPILE.c} -fsyntax-only -DTHUMB2_TEST ${TESTFILE} >/dev/null 2>/dev/null; then echo yes; else echo no; fi 39 */ 40 41 #if defined (__ARM_ARCH_8A__) || defined (__ARM_ARCH_7__) || \ 42 defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__) || \ 43 defined (__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__) || \ 44 defined (__ARM_ARCH_6T2__) 45 #define HAVE_THUMB2 46 #endif 47 48 #if defined (HAVE_THUMB2) || defined (__ARM_ARCH_6__) || \ 49 defined (__ARM_ARCH_6J__) || defined (__ARM_ARCH_6K__) || \ 50 defined (__ARM_ARCH_6Z__) || defined (__ARM_ARCH_6ZK__) || \ 51 defined (__ARM_ARCH_6ZM__) 52 #define HAVE_LDREX 53 #endif 54 55 #if defined (HAVE_LDREX) || defined(__ARM_ARCH_5TE__) || \ 56 defined (__ARM_ARCH_5TEJ__) 57 #define HAVE_LDRD 58 #endif 59 60 #if defined(THUMB2_TEST) && !defined(HAVE_THUMB2) 61 #error no thumb2 62 #endif 63 64 #if defined(LDREX_TEST) && !defined(HAVE_LDREX) 65 #error no ldrex 66 #endif 67 68 #if defined(LDRD_TEST) && !defined(HAVE_LDRD) 69 #error no ldrd 70 #endif 71 72 #if defined(EABI_TEST) && !defined(__ARM_EABI__) 73 #error not eabi 74 #endif 75