1 /* ==================================================================== 2 * Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in 13 * the documentation and/or other materials provided with the 14 * distribution. 15 * 16 * 3. All advertising materials mentioning features or use of this 17 * software must display the following acknowledgment: 18 * "This product includes software developed by the OpenSSL Project 19 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 20 * 21 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 22 * endorse or promote products derived from this software without 23 * prior written permission. For written permission, please contact 24 * [email protected]. 25 * 26 * 5. Products derived from this software may not be called "OpenSSL" 27 * nor may "OpenSSL" appear in their names without prior written 28 * permission of the OpenSSL Project. 29 * 30 * 6. Redistributions of any form whatsoever must retain the following 31 * acknowledgment: 32 * "This product includes software developed by the OpenSSL Project 33 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 34 * 35 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 36 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 38 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 41 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 42 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 43 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 44 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 45 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 46 * OF THE POSSIBILITY OF SUCH DAMAGE. 47 * ==================================================================== 48 * 49 * This product includes cryptographic software written by Eric Young 50 * ([email protected]). This product includes software written by Tim 51 * Hudson ([email protected]). */ 52 53 #ifndef OPENSSL_HEADER_ARM_ARCH_H 54 #define OPENSSL_HEADER_ARM_ARCH_H 55 56 #include <ring-core/target.h> 57 58 // arm_arch.h contains symbols used by ARM assembly, and the C code that calls 59 // it. It is included as a public header to simplify the build, but is not 60 // intended for external use. 61 62 #if defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64) 63 64 // ARMV7_NEON is true when a NEON unit is present in the current CPU. 65 #define ARMV7_NEON (1 << 0) 66 67 // ARMV8_SHA256 indicates support for hardware SHA-256 instructions. 68 #define ARMV8_SHA256 (1 << 4) 69 70 // ARMV8_PMULL indicates support for carryless multiplication. 71 #define ARMV8_PMULL (1 << 5) 72 73 // ARMV8_SHA512 indicates support for hardware SHA-512 instructions. 74 #define ARMV8_SHA512 (1 << 6) 75 76 #if defined(__ASSEMBLER__) 77 78 // We require the ARM assembler provide |__ARM_ARCH| from Arm C Language 79 // Extensions (ACLE). This is supported in GCC 4.8+ and Clang 3.2+. MSVC does 80 // not implement ACLE, but we require Clang's assembler on Windows. 81 #if !defined(__ARM_ARCH) 82 #error "ARM assembler must define __ARM_ARCH" 83 #endif 84 85 // __ARM_ARCH__ is used by OpenSSL assembly to determine the minimum target ARM 86 // version. 87 // 88 // TODO(davidben): Switch the assembly to use |__ARM_ARCH| directly. 89 #define __ARM_ARCH__ __ARM_ARCH 90 91 // Even when building for 32-bit ARM, support for aarch64 crypto instructions 92 // will be included. 93 #define __ARM_MAX_ARCH__ 8 94 95 #endif // __ASSEMBLER__ 96 97 #endif // ARM || AARCH64 98 99 #endif // OPENSSL_HEADER_ARM_ARCH_H 100