/* ==================================================================== * 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 #include // arm_arch.h contains symbols used by ARM assembly, and the C code that calls // it. It is included as a public header to simplify the build, but is not // intended for external use. #if defined(OPENSSL_ARM) || defined(OPENSSL_AARCH64) // ARMV7_NEON is true when a NEON unit is present in the current CPU. #define ARMV7_NEON (1 << 0) // 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) // ARMV8_SHA512 indicates support for hardware SHA-512 instructions. #define ARMV8_SHA512 (1 << 6) // ARMV8_SHA3 indicates support for hardware SHA-3 instructions including EOR3. #define ARMV8_SHA3 (1 << 11) // The Neoverse V1, V2, and Apple M1 micro-architectures are detected to enable // high unrolling factor of AES-GCM and other algorithms that leverage a // wide crypto pipeline and fast multiplier. #define ARMV8_NEOVERSE_V1 (1 << 12) #define ARMV8_APPLE_M1 (1 << 13) #define ARMV8_NEOVERSE_V2 (1 << 14) // ARMV8_DIT indicates support for the Data-Independent Timing (DIT) flag. #define ARMV8_DIT (1 << 15) // ARMV8_DIT_ALLOWED is a run-time en/disabler for the Data-Independent // Timing (DIT) flag capability. It makes the DIT capability allowed when it is // first discovered in |OPENSSL_cpuid_setup|. But that bit position in // |OPENSSL_armcap_P| can be toggled off and back on at run-time via // |armv8_disable_dit| and |armv8_enable_dit|, respectively. #define ARMV8_DIT_ALLOWED (1 << 16) // // MIDR_EL1 system register // // 63___ _ ___32_31___ _ ___24_23_____20_19_____16_15__ _ __4_3_______0 // | | | | | | | // |RES0 | Implementer | Variant | Arch | PartNum |Revision| // |____ _ _____|_____ _ _____|_________|_______ _|____ _ ___|________| // # define ARM_CPU_IMP_ARM 0x41 # define ARM_CPU_PART_CORTEX_A72 0xD08 # define ARM_CPU_PART_N1 0xD0C # define ARM_CPU_PART_V1 0xD40 # define ARM_CPU_PART_V2 0xD4F # define MIDR_PARTNUM_SHIFT 4 # define MIDR_PARTNUM_MASK (0xfffUL << MIDR_PARTNUM_SHIFT) # define MIDR_PARTNUM(midr) \ (((midr) & MIDR_PARTNUM_MASK) >> MIDR_PARTNUM_SHIFT) # define MIDR_IMPLEMENTER_SHIFT 24 # define MIDR_IMPLEMENTER_MASK (0xffUL << MIDR_IMPLEMENTER_SHIFT) # define MIDR_IMPLEMENTER(midr) \ (((midr) & MIDR_IMPLEMENTER_MASK) >> MIDR_IMPLEMENTER_SHIFT) # define MIDR_ARCHITECTURE_SHIFT 16 # define MIDR_ARCHITECTURE_MASK (0xfUL << MIDR_ARCHITECTURE_SHIFT) # define MIDR_ARCHITECTURE(midr) \ (((midr) & MIDR_ARCHITECTURE_MASK) >> MIDR_ARCHITECTURE_SHIFT) # define MIDR_CPU_MODEL_MASK \ (MIDR_IMPLEMENTER_MASK | \ MIDR_PARTNUM_MASK | \ MIDR_ARCHITECTURE_MASK) # define MIDR_CPU_MODEL(imp, partnum) \ (((imp) << MIDR_IMPLEMENTER_SHIFT) | \ (0xfUL << MIDR_ARCHITECTURE_SHIFT) | \ ((partnum) << MIDR_PARTNUM_SHIFT)) # define MIDR_IS_CPU_MODEL(midr, imp, partnum) \ (((midr) & MIDR_CPU_MODEL_MASK) == MIDR_CPU_MODEL(imp, partnum)) #endif // ARM || AARCH64 #endif // OPENSSL_HEADER_ARM_ARCH_H