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      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  *    openssl-core (at) openssl.org.
     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  * (eay (at) cryptsoft.com).  This product includes software written by Tim
     51  * Hudson (tjh (at) cryptsoft.com). */
     52 
     53 #ifndef OPENSSL_HEADER_ARM_ARCH_H
     54 #define OPENSSL_HEADER_ARM_ARCH_H
     55 
     56 #if !defined(__ARM_ARCH__)
     57 # if defined(__CC_ARM)
     58 #  define __ARM_ARCH__ __TARGET_ARCH_ARM
     59 #  if defined(__BIG_ENDIAN)
     60 #   define __ARMEB__
     61 #  else
     62 #   define __ARMEL__
     63 #  endif
     64 # elif defined(__GNUC__)
     65 #  if defined(__aarch64__)
     66 #    define __ARM_ARCH__ 8
     67 #    if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
     68 #      define __ARMEB__
     69 #    else
     70 #      define __ARMEL__
     71 #    endif
     72   // Why doesn't gcc define __ARM_ARCH__? Instead it defines
     73   // bunch of below macros. See all_architectires[] table in
     74   // gcc/config/arm/arm.c. On a side note it defines
     75   // __ARMEL__/__ARMEB__ for little-/big-endian.
     76 #  elif	defined(__ARM_ARCH)
     77 #    define __ARM_ARCH__ __ARM_ARCH
     78 #  elif	defined(__ARM_ARCH_8A__)
     79 #    define __ARM_ARCH__ 8
     80 #  elif	defined(__ARM_ARCH_7__)	|| defined(__ARM_ARCH_7A__)	|| \
     81 	defined(__ARM_ARCH_7R__)|| defined(__ARM_ARCH_7M__)	|| \
     82 	defined(__ARM_ARCH_7EM__)
     83 #   define __ARM_ARCH__ 7
     84 #  elif	defined(__ARM_ARCH_6__)	|| defined(__ARM_ARCH_6J__)	|| \
     85 	defined(__ARM_ARCH_6K__)|| defined(__ARM_ARCH_6M__)	|| \
     86 	defined(__ARM_ARCH_6Z__)|| defined(__ARM_ARCH_6ZK__)	|| \
     87 	defined(__ARM_ARCH_6T2__)
     88 #   define __ARM_ARCH__ 6
     89 #  elif	defined(__ARM_ARCH_5__)	|| defined(__ARM_ARCH_5T__)	|| \
     90 	defined(__ARM_ARCH_5E__)|| defined(__ARM_ARCH_5TE__)	|| \
     91 	defined(__ARM_ARCH_5TEJ__)
     92 #   define __ARM_ARCH__ 5
     93 #  elif	defined(__ARM_ARCH_4__)	|| defined(__ARM_ARCH_4T__)
     94 #   define __ARM_ARCH__ 4
     95 #  else
     96 #   error "unsupported ARM architecture"
     97 #  endif
     98 # endif
     99 #endif
    100 
    101 // Even when building for 32-bit ARM, support for aarch64 crypto instructions
    102 // will be included.
    103 #define __ARM_MAX_ARCH__ 8
    104 
    105 // ARMV7_NEON is true when a NEON unit is present in the current CPU.
    106 #define ARMV7_NEON (1 << 0)
    107 
    108 // ARMV8_AES indicates support for hardware AES instructions.
    109 #define ARMV8_AES (1 << 2)
    110 
    111 // ARMV8_SHA1 indicates support for hardware SHA-1 instructions.
    112 #define ARMV8_SHA1 (1 << 3)
    113 
    114 // ARMV8_SHA256 indicates support for hardware SHA-256 instructions.
    115 #define ARMV8_SHA256 (1 << 4)
    116 
    117 // ARMV8_PMULL indicates support for carryless multiplication.
    118 #define ARMV8_PMULL (1 << 5)
    119 
    120 
    121 #endif  // OPENSSL_HEADER_ARM_ARCH_H
    122