xref: /aosp_15_r20/external/boringssl/src/include/openssl/arm_arch.h (revision 8fb009dc861624b67b6cdb62ea21f0f22d0c584b)
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
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37  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
38  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
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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)
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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 <openssl/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_AES indicates support for hardware AES instructions.
68 #define ARMV8_AES (1 << 2)
69 
70 // ARMV8_SHA1 indicates support for hardware SHA-1 instructions.
71 #define ARMV8_SHA1 (1 << 3)
72 
73 // ARMV8_SHA256 indicates support for hardware SHA-256 instructions.
74 #define ARMV8_SHA256 (1 << 4)
75 
76 // ARMV8_PMULL indicates support for carryless multiplication.
77 #define ARMV8_PMULL (1 << 5)
78 
79 // ARMV8_SHA512 indicates support for hardware SHA-512 instructions.
80 #define ARMV8_SHA512 (1 << 6)
81 
82 #endif  // ARM || AARCH64
83 
84 #endif  // OPENSSL_HEADER_ARM_ARCH_H
85