/*

 * Copyright 2011-2018 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the OpenSSL license (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#ifndef OSSL_CRYPTO_ARM_ARCH_H

# define OSSL_CRYPTO_ARM_ARCH_H

# if !defined(__ARM_ARCH__)

#  if defined(__CC_ARM)

#   define __ARM_ARCH__ __TARGET_ARCH_ARM

#   if defined(__BIG_ENDIAN)

#    define __ARMEB__

#   else

#    define __ARMEL__

#   endif

#  elif defined(__GNUC__)

#   if   defined(__aarch64__)

#    define __ARM_ARCH__ 8

#    if __BYTE_ORDER__==__ORDER_BIG_ENDIAN__

#     define __ARMEB__

#    else

#     define __ARMEL__

#    endif

  /*

   * Why doesn't gcc define __ARM_ARCH__? Instead it defines

   * bunch of below macros. See all_architectures[] table in

   * gcc/config/arm/arm.c. On a side note it defines

   * __ARMEL__/__ARMEB__ for little-/big-endian.

   */

#   elif defined(__ARM_ARCH)

#    define __ARM_ARCH__ __ARM_ARCH

#   elif defined(__ARM_ARCH_8A__)

#    define __ARM_ARCH__ 8

#   elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__)     || \

        defined(__ARM_ARCH_7R__)|| defined(__ARM_ARCH_7M__)     || \

        defined(__ARM_ARCH_7EM__)

#    define __ARM_ARCH__ 7

#   elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__)     || \

        defined(__ARM_ARCH_6K__)|| defined(__ARM_ARCH_6M__)     || \

        defined(__ARM_ARCH_6Z__)|| defined(__ARM_ARCH_6ZK__)    || \

        defined(__ARM_ARCH_6T2__)

#    define __ARM_ARCH__ 6

#   elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__)     || \

        defined(__ARM_ARCH_5E__)|| defined(__ARM_ARCH_5TE__)    || \

        defined(__ARM_ARCH_5TEJ__)

#    define __ARM_ARCH__ 5

#   elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)

#    define __ARM_ARCH__ 4

#   else

#    error "unsupported ARM architecture"

#   endif

#  endif

# endif

# if !defined(__ARM_MAX_ARCH__)

#  define __ARM_MAX_ARCH__ __ARM_ARCH__

# endif

# if __ARM_MAX_ARCH__<__ARM_ARCH__

#  error "__ARM_MAX_ARCH__ can't be less than __ARM_ARCH__"

# elif __ARM_MAX_ARCH__!=__ARM_ARCH__

#  if __ARM_ARCH__<7 && __ARM_MAX_ARCH__>=7 && defined(__ARMEB__)

#   error "can't build universal big-endian binary"

#  endif

# endif

# ifndef __ASSEMBLER__

extern unsigned int OPENSSL_armcap_P;

# endif

# define ARMV7_NEON      (1<<0)

# define ARMV7_TICK      (1<<1)

# define ARMV8_AES       (1<<2)

# define ARMV8_SHA1      (1<<3)

# define ARMV8_SHA256    (1<<4)

# define ARMV8_PMULL     (1<<5)

# define ARMV8_SHA512    (1<<6)

#endif