100 lines
4.0 KiB
C
100 lines
4.0 KiB
C
/* ====================================================================
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* Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* openssl-core@openssl.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com). */
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#ifndef OPENSSL_HEADER_ARM_ARCH_H
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#define OPENSSL_HEADER_ARM_ARCH_H
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#include <ring-core/target.h>
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// arm_arch.h contains symbols used by ARM assembly, and the C code that calls
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// it. It is included as a public header to simplify the build, but is not
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// intended for external use.
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#if defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64)
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// ARMV7_NEON is true when a NEON unit is present in the current CPU.
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#define ARMV7_NEON (1 << 0)
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// ARMV8_SHA256 indicates support for hardware SHA-256 instructions.
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#define ARMV8_SHA256 (1 << 4)
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// ARMV8_PMULL indicates support for carryless multiplication.
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#define ARMV8_PMULL (1 << 5)
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// ARMV8_SHA512 indicates support for hardware SHA-512 instructions.
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#define ARMV8_SHA512 (1 << 6)
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#if defined(__ASSEMBLER__)
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// We require the ARM assembler provide |__ARM_ARCH| from Arm C Language
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// Extensions (ACLE). This is supported in GCC 4.8+ and Clang 3.2+. MSVC does
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// not implement ACLE, but we require Clang's assembler on Windows.
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#if !defined(__ARM_ARCH)
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#error "ARM assembler must define __ARM_ARCH"
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#endif
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// __ARM_ARCH__ is used by OpenSSL assembly to determine the minimum target ARM
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// version.
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//
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// TODO(davidben): Switch the assembly to use |__ARM_ARCH| directly.
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#define __ARM_ARCH__ __ARM_ARCH
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// Even when building for 32-bit ARM, support for aarch64 crypto instructions
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// will be included.
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#define __ARM_MAX_ARCH__ 8
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#endif // __ASSEMBLER__
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#endif // ARM || AARCH64
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#endif // OPENSSL_HEADER_ARM_ARCH_H
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