1/* Copyright (c) 2014, Google Inc.
2 *
3 * Permission to use, copy, modify, and/or distribute this software for any
4 * purpose with or without fee is hereby granted, provided that the above
5 * copyright notice and this permission notice appear in all copies.
6 *
7 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
8 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
9 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
10 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
11 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
12 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
13 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
14
15#include <openssl/cpu.h>
16
17#if (defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)) && \
18 !defined(OPENSSL_STATIC_ARMCAP)
19
20#include <openssl/arm_arch.h>
21
22
23extern uint32_t OPENSSL_armcap_P;
24
25char CRYPTO_is_NEON_capable_at_runtime(void) {
26 return (OPENSSL_armcap_P & ARMV7_NEON) != 0;
27}
28
29int CRYPTO_is_ARMv8_AES_capable(void) {
30 return (OPENSSL_armcap_P & ARMV8_AES) != 0;
31}
32
33int CRYPTO_is_ARMv8_PMULL_capable(void) {
34 return (OPENSSL_armcap_P & ARMV8_PMULL) != 0;
35}
36
37#endif /* (defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)) &&
38 !defined(OPENSSL_STATIC_ARMCAP) */
39