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Diffstat (limited to 'src/crypto/arm_arch.h')
| -rw-r--r-- | src/crypto/arm_arch.h | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/src/crypto/arm_arch.h b/src/crypto/arm_arch.h new file mode 100644 index 0000000..0600fbb --- /dev/null +++ b/src/crypto/arm_arch.h @@ -0,0 +1,136 @@ +/* ==================================================================== + * Copyright (c) 1998-2011 The OpenSSL Project. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. All advertising materials mentioning features or use of this + * software must display the following acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" + * + * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to + * endorse or promote products derived from this software without + * prior written permission. For written permission, please contact + * openssl-core@openssl.org. + * + * 5. Products derived from this software may not be called "OpenSSL" + * nor may "OpenSSL" appear in their names without prior written + * permission of the OpenSSL Project. + * + * 6. Redistributions of any form whatsoever must retain the following + * acknowledgment: + * "This product includes software developed by the OpenSSL Project + * for use in the OpenSSL Toolkit (http://www.openssl.org/)" + * + * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY + * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * ==================================================================== + * + * This product includes cryptographic software written by Eric Young + * (eay@cryptsoft.com). This product includes software written by Tim + * Hudson (tjh@cryptsoft.com). */ + +#ifndef OPENSSL_HEADER_ARM_ARCH_H +#define OPENSSL_HEADER_ARM_ARCH_H + +#if !defined(__ARM_ARCH__) +# if defined(__CC_ARM) +# define __ARM_ARCH__ __TARGET_ARCH_ARM +# if defined(__BIG_ENDIAN) +# define __ARMEB__ +# else +# define __ARMEL__ +# endif +# elif defined(__GNUC__) +# if defined(__aarch64__) +# define __ARM_ARCH__ 8 +# if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +# define __ARMEB__ +# else +# define __ARMEL__ +# endif + /* Why doesn't gcc define __ARM_ARCH__? Instead it defines + * bunch of below macros. See all_architectires[] table in + * gcc/config/arm/arm.c. On a side note it defines + * __ARMEL__/__ARMEB__ for little-/big-endian. */ +# elif defined(__ARM_ARCH) +# define __ARM_ARCH__ __ARM_ARCH +# elif defined(__ARM_ARCH_8A__) +# define __ARM_ARCH__ 8 +# elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || \ + defined(__ARM_ARCH_7R__)|| defined(__ARM_ARCH_7M__) || \ + defined(__ARM_ARCH_7EM__) +# define __ARM_ARCH__ 7 +# elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || \ + defined(__ARM_ARCH_6K__)|| defined(__ARM_ARCH_6M__) || \ + defined(__ARM_ARCH_6Z__)|| defined(__ARM_ARCH_6ZK__) || \ + defined(__ARM_ARCH_6T2__) +# define __ARM_ARCH__ 6 +# elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) || \ + defined(__ARM_ARCH_5E__)|| defined(__ARM_ARCH_5TE__) || \ + defined(__ARM_ARCH_5TEJ__) +# define __ARM_ARCH__ 5 +# elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__) +# define __ARM_ARCH__ 4 +# else +# error "unsupported ARM architecture" +# endif +# endif +#endif + +/* Even when building for 32-bit ARM, support for aarch64 crypto instructions + * will be included. */ +#define __ARM_MAX_ARCH__ 8 + +#if !__ASSEMBLER__ + +/* OPENSSL_armcap_P contains flags describing the capabilities of the CPU and + * is easy for assembly code to acesss. For C code, see the functions in + * |cpu.h|. */ +extern uint32_t OPENSSL_armcap_P; + +#endif /* !__ASSEMBLER__ */ + +/* ARMV7_NEON is true when a NEON unit is present in the current CPU. */ +#define ARMV7_NEON (1 << 0) + +/* ARMV7_NEON_FUNCTIONAL is true when the NEON unit doesn't contain subtle bugs. + * The Poly1305 NEON code is known to trigger bugs in the NEON units of some + * phones. If this bit isn't set then the Poly1305 NEON code won't be used. + * See https://code.google.com/p/chromium/issues/detail?id=341598. */ +#define ARMV7_NEON_FUNCTIONAL (1 << 10) + +/* ARMV8_AES indicates support for hardware AES instructions. */ +#define ARMV8_AES (1 << 2) + +/* ARMV8_SHA1 indicates support for hardware SHA-1 instructions. */ +#define ARMV8_SHA1 (1 << 3) + +/* ARMV8_SHA256 indicates support for hardware SHA-256 instructions. */ +#define ARMV8_SHA256 (1 << 4) + +/* ARMV8_PMULL indicates support for carryless multiplication. */ +#define ARMV8_PMULL (1 << 5) + + +#endif /* OPENSSL_HEADER_THREAD_H */ |