mirror of
https://github.com/openssl/openssl.git
synced 2024-11-27 05:21:51 +08:00
b646179229
Reviewed-by: Neil Horman <nhorman@openssl.org>
Release: yes
(cherry picked from commit 0ce7d1f355)
Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/24034)
220 lines
7.7 KiB
C
220 lines
7.7 KiB
C
/*
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* Copyright 2011-2024 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OSSL_CRYPTO_ARM_ARCH_H
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# define OSSL_CRYPTO_ARM_ARCH_H
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# if !defined(__ARM_ARCH__)
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# if defined(__CC_ARM)
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# define __ARM_ARCH__ __TARGET_ARCH_ARM
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# if defined(__BIG_ENDIAN)
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# define __ARMEB__
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# else
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# define __ARMEL__
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# endif
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# elif defined(__GNUC__)
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# if defined(__aarch64__)
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# define __ARM_ARCH__ 8
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/*
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* Why doesn't gcc define __ARM_ARCH__? Instead it defines
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* bunch of below macros. See all_architectures[] table in
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* gcc/config/arm/arm.c. On a side note it defines
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* __ARMEL__/__ARMEB__ for little-/big-endian.
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*/
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# elif defined(__ARM_ARCH)
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# define __ARM_ARCH__ __ARM_ARCH
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# elif defined(__ARM_ARCH_8A__)
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# define __ARM_ARCH__ 8
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# elif defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || \
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defined(__ARM_ARCH_7R__)|| defined(__ARM_ARCH_7M__) || \
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defined(__ARM_ARCH_7EM__)
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# define __ARM_ARCH__ 7
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# elif defined(__ARM_ARCH_6__) || defined(__ARM_ARCH_6J__) || \
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defined(__ARM_ARCH_6K__)|| defined(__ARM_ARCH_6M__) || \
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defined(__ARM_ARCH_6Z__)|| defined(__ARM_ARCH_6ZK__) || \
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defined(__ARM_ARCH_6T2__)
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# define __ARM_ARCH__ 6
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# elif defined(__ARM_ARCH_5__) || defined(__ARM_ARCH_5T__) || \
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defined(__ARM_ARCH_5E__)|| defined(__ARM_ARCH_5TE__) || \
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defined(__ARM_ARCH_5TEJ__)
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# define __ARM_ARCH__ 5
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# elif defined(__ARM_ARCH_4__) || defined(__ARM_ARCH_4T__)
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# define __ARM_ARCH__ 4
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# else
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# error "unsupported ARM architecture"
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# endif
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# elif defined(__ARM_ARCH)
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# define __ARM_ARCH__ __ARM_ARCH
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# endif
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# endif
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# if !defined(__ARM_MAX_ARCH__)
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# define __ARM_MAX_ARCH__ __ARM_ARCH__
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# endif
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# if __ARM_MAX_ARCH__<__ARM_ARCH__
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# error "__ARM_MAX_ARCH__ can't be less than __ARM_ARCH__"
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# elif __ARM_MAX_ARCH__!=__ARM_ARCH__
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# if __ARM_ARCH__<7 && __ARM_MAX_ARCH__>=7 && defined(__ARMEB__)
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# error "can't build universal big-endian binary"
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# endif
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# endif
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# ifndef __ASSEMBLER__
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extern unsigned int OPENSSL_armcap_P;
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extern unsigned int OPENSSL_arm_midr;
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extern unsigned int OPENSSL_armv8_rsa_neonized;
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# endif
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# define ARMV7_NEON (1<<0)
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# define ARMV7_TICK (1<<1)
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# define ARMV8_AES (1<<2)
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# define ARMV8_SHA1 (1<<3)
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# define ARMV8_SHA256 (1<<4)
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# define ARMV8_PMULL (1<<5)
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# define ARMV8_SHA512 (1<<6)
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# define ARMV8_CPUID (1<<7)
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# define ARMV8_RNG (1<<8)
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# define ARMV8_SM3 (1<<9)
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# define ARMV8_SM4 (1<<10)
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# define ARMV8_SHA3 (1<<11)
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# define ARMV8_UNROLL8_EOR3 (1<<12)
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# define ARMV8_SVE (1<<13)
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# define ARMV8_SVE2 (1<<14)
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# define ARMV8_HAVE_SHA3_AND_WORTH_USING (1<<15)
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# define ARMV8_UNROLL12_EOR3 (1<<16)
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/*
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* MIDR_EL1 system register
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*
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* 63___ _ ___32_31___ _ ___24_23_____20_19_____16_15__ _ __4_3_______0
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* | | | | | | |
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* |RES0 | Implementer | Variant | Arch | PartNum |Revision|
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* |____ _ _____|_____ _ _____|_________|_______ _|____ _ ___|________|
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*
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*/
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# define ARM_CPU_IMP_ARM 0x41
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# define HISI_CPU_IMP 0x48
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# define ARM_CPU_IMP_APPLE 0x61
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# define ARM_CPU_IMP_MICROSOFT 0x6D
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# define ARM_CPU_IMP_AMPERE 0xC0
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# define ARM_CPU_PART_CORTEX_A72 0xD08
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# define ARM_CPU_PART_N1 0xD0C
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# define ARM_CPU_PART_V1 0xD40
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# define ARM_CPU_PART_N2 0xD49
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# define HISI_CPU_PART_KP920 0xD01
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# define ARM_CPU_PART_V2 0xD4F
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# define APPLE_CPU_PART_M1_ICESTORM 0x022
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# define APPLE_CPU_PART_M1_FIRESTORM 0x023
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# define APPLE_CPU_PART_M1_ICESTORM_PRO 0x024
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# define APPLE_CPU_PART_M1_FIRESTORM_PRO 0x025
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# define APPLE_CPU_PART_M1_ICESTORM_MAX 0x028
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# define APPLE_CPU_PART_M1_FIRESTORM_MAX 0x029
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# define APPLE_CPU_PART_M2_BLIZZARD 0x032
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# define APPLE_CPU_PART_M2_AVALANCHE 0x033
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# define APPLE_CPU_PART_M2_BLIZZARD_PRO 0x034
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# define APPLE_CPU_PART_M2_AVALANCHE_PRO 0x035
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# define APPLE_CPU_PART_M2_BLIZZARD_MAX 0x038
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# define APPLE_CPU_PART_M2_AVALANCHE_MAX 0x039
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# define MICROSOFT_CPU_PART_COBALT_100 0xD49
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# define MIDR_PARTNUM_SHIFT 4
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# define MIDR_PARTNUM_MASK (0xfffU << MIDR_PARTNUM_SHIFT)
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# define MIDR_PARTNUM(midr) \
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(((midr) & MIDR_PARTNUM_MASK) >> MIDR_PARTNUM_SHIFT)
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# define MIDR_IMPLEMENTER_SHIFT 24
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# define MIDR_IMPLEMENTER_MASK (0xffU << MIDR_IMPLEMENTER_SHIFT)
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# define MIDR_IMPLEMENTER(midr) \
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(((midr) & MIDR_IMPLEMENTER_MASK) >> MIDR_IMPLEMENTER_SHIFT)
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# define MIDR_ARCHITECTURE_SHIFT 16
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# define MIDR_ARCHITECTURE_MASK (0xfU << MIDR_ARCHITECTURE_SHIFT)
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# define MIDR_ARCHITECTURE(midr) \
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(((midr) & MIDR_ARCHITECTURE_MASK) >> MIDR_ARCHITECTURE_SHIFT)
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# define MIDR_CPU_MODEL_MASK \
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(MIDR_IMPLEMENTER_MASK | \
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MIDR_PARTNUM_MASK | \
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MIDR_ARCHITECTURE_MASK)
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# define MIDR_CPU_MODEL(imp, partnum) \
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(((imp) << MIDR_IMPLEMENTER_SHIFT) | \
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(0xfU << MIDR_ARCHITECTURE_SHIFT) | \
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((partnum) << MIDR_PARTNUM_SHIFT))
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# define MIDR_IS_CPU_MODEL(midr, imp, partnum) \
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(((midr) & MIDR_CPU_MODEL_MASK) == MIDR_CPU_MODEL(imp, partnum))
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#if defined(__ASSEMBLER__)
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/*
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* Support macros for
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* - Armv8.3-A Pointer Authentication and
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* - Armv8.5-A Branch Target Identification
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* features which require emitting a .note.gnu.property section with the
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* appropriate architecture-dependent feature bits set.
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* Read more: "ELF for the Arm® 64-bit Architecture"
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*/
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# if defined(__ARM_FEATURE_BTI_DEFAULT) && __ARM_FEATURE_BTI_DEFAULT == 1
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# define GNU_PROPERTY_AARCH64_BTI (1 << 0) /* Has Branch Target Identification */
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# define AARCH64_VALID_CALL_TARGET hint #34 /* BTI 'c' */
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# else
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# define GNU_PROPERTY_AARCH64_BTI 0 /* No Branch Target Identification */
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# define AARCH64_VALID_CALL_TARGET
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# endif
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# if defined(__ARM_FEATURE_PAC_DEFAULT) && \
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(__ARM_FEATURE_PAC_DEFAULT & 1) == 1 /* Signed with A-key */
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# define GNU_PROPERTY_AARCH64_POINTER_AUTH \
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(1 << 1) /* Has Pointer Authentication */
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# define AARCH64_SIGN_LINK_REGISTER hint #25 /* PACIASP */
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# define AARCH64_VALIDATE_LINK_REGISTER hint #29 /* AUTIASP */
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# elif defined(__ARM_FEATURE_PAC_DEFAULT) && \
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(__ARM_FEATURE_PAC_DEFAULT & 2) == 2 /* Signed with B-key */
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# define GNU_PROPERTY_AARCH64_POINTER_AUTH \
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(1 << 1) /* Has Pointer Authentication */
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# define AARCH64_SIGN_LINK_REGISTER hint #27 /* PACIBSP */
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# define AARCH64_VALIDATE_LINK_REGISTER hint #31 /* AUTIBSP */
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# else
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# define GNU_PROPERTY_AARCH64_POINTER_AUTH 0 /* No Pointer Authentication */
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# if GNU_PROPERTY_AARCH64_BTI != 0
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# define AARCH64_SIGN_LINK_REGISTER AARCH64_VALID_CALL_TARGET
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# else
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# define AARCH64_SIGN_LINK_REGISTER
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# endif
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# define AARCH64_VALIDATE_LINK_REGISTER
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# endif
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# if GNU_PROPERTY_AARCH64_POINTER_AUTH != 0 || GNU_PROPERTY_AARCH64_BTI != 0
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.pushsection .note.gnu.property, "a";
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.balign 8;
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.long 4;
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.long 0x10;
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.long 0x5;
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.asciz "GNU";
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.long 0xc0000000; /* GNU_PROPERTY_AARCH64_FEATURE_1_AND */
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.long 4;
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.long (GNU_PROPERTY_AARCH64_POINTER_AUTH | GNU_PROPERTY_AARCH64_BTI);
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.long 0;
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.popsection;
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# endif
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# endif /* defined __ASSEMBLER__ */
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# define IS_CPU_SUPPORT_UNROLL8_EOR3() \
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(OPENSSL_armcap_P & ARMV8_UNROLL8_EOR3)
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#endif
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