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@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@cryptsoft.com).  This product includes software written by Tim
51 * Hudson (tjh@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