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38 lines
1.3 KiB
C
38 lines
1.3 KiB
C
/* Copyright (c) 2016, Google Inc.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include <openssl/cpu.h>
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#if defined(OPENSSL_PPC64LE)
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#include <sys/auxv.h>
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#include "internal.h"
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#if !defined(PPC_FEATURE2_HAS_VCRYPTO)
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// PPC_FEATURE2_HAS_VCRYPTO was taken from section 4.1.2.3 of the “OpenPOWER
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// ABI for Linux Supplement”.
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#define PPC_FEATURE2_HAS_VCRYPTO 0x02000000
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#endif
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void OPENSSL_cpuid_setup(void) {
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OPENSSL_ppc64le_hwcap2 = getauxval(AT_HWCAP2);
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}
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int CRYPTO_is_PPC64LE_vcrypto_capable(void) {
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return (OPENSSL_ppc64le_hwcap2 & PPC_FEATURE2_HAS_VCRYPTO) != 0;
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}
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#endif // OPENSSL_PPC64LE
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