diff options
Diffstat (limited to 'sys/crypto/openssl/arm_arch.h')
| -rw-r--r-- | sys/crypto/openssl/arm_arch.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/sys/crypto/openssl/arm_arch.h b/sys/crypto/openssl/arm_arch.h new file mode 100644 index 000000000000..7bedb385d971 --- /dev/null +++ b/sys/crypto/openssl/arm_arch.h @@ -0,0 +1,182 @@ +/* + * Copyright 2011-2023 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the Apache License 2.0 (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#ifndef OSSL_CRYPTO_ARM_ARCH_H +# define OSSL_CRYPTO_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 + /* + * Why doesn't gcc define __ARM_ARCH__? Instead it defines + * bunch of below macros. See all_architectures[] 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 + +# if !defined(__ARM_MAX_ARCH__) +# define __ARM_MAX_ARCH__ __ARM_ARCH__ +# endif + +# if __ARM_MAX_ARCH__<__ARM_ARCH__ +# error "__ARM_MAX_ARCH__ can't be less than __ARM_ARCH__" +# elif __ARM_MAX_ARCH__!=__ARM_ARCH__ +# if __ARM_ARCH__<7 && __ARM_MAX_ARCH__>=7 && defined(__ARMEB__) +# error "can't build universal big-endian binary" +# endif +# endif + +# ifndef __ASSEMBLER__ +extern unsigned int OPENSSL_armcap_P; +extern unsigned int OPENSSL_arm_midr; +extern unsigned int OPENSSL_armv8_rsa_neonized; +# endif + +# define ARMV7_NEON (1<<0) +# define ARMV7_TICK (1<<1) +# define ARMV8_AES (1<<2) +# define ARMV8_SHA1 (1<<3) +# define ARMV8_SHA256 (1<<4) +# define ARMV8_PMULL (1<<5) +# define ARMV8_SHA512 (1<<6) +# define ARMV8_CPUID (1<<7) + +/* + * 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 MIDR_PARTNUM_SHIFT 4 +# define MIDR_PARTNUM_MASK (0xfffU << MIDR_PARTNUM_SHIFT) +# define MIDR_PARTNUM(midr) \ + (((midr) & MIDR_PARTNUM_MASK) >> MIDR_PARTNUM_SHIFT) + +# define MIDR_IMPLEMENTER_SHIFT 24 +# define MIDR_IMPLEMENTER_MASK (0xffU << MIDR_IMPLEMENTER_SHIFT) +# define MIDR_IMPLEMENTER(midr) \ + (((midr) & MIDR_IMPLEMENTER_MASK) >> MIDR_IMPLEMENTER_SHIFT) + +# define MIDR_ARCHITECTURE_SHIFT 16 +# define MIDR_ARCHITECTURE_MASK (0xfU << 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) | \ + (0xfU << 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)) + +#if defined(__ASSEMBLER__) + + /* + * Support macros for + * - Armv8.3-A Pointer Authentication and + * - Armv8.5-A Branch Target Identification + * features which require emitting a .note.gnu.property section with the + * appropriate architecture-dependent feature bits set. + * Read more: "ELF for the Arm® 64-bit Architecture" + */ + +# if defined(__ARM_FEATURE_BTI_DEFAULT) && __ARM_FEATURE_BTI_DEFAULT == 1 +# define GNU_PROPERTY_AARCH64_BTI (1 << 0) /* Has Branch Target Identification */ +# define AARCH64_VALID_CALL_TARGET hint #34 /* BTI 'c' */ +# else +# define GNU_PROPERTY_AARCH64_BTI 0 /* No Branch Target Identification */ +# define AARCH64_VALID_CALL_TARGET +# endif + +# if defined(__ARM_FEATURE_PAC_DEFAULT) && \ + (__ARM_FEATURE_PAC_DEFAULT & 1) == 1 /* Signed with A-key */ +# define GNU_PROPERTY_AARCH64_POINTER_AUTH \ + (1 << 1) /* Has Pointer Authentication */ +# define AARCH64_SIGN_LINK_REGISTER hint #25 /* PACIASP */ +# define AARCH64_VALIDATE_LINK_REGISTER hint #29 /* AUTIASP */ +# elif defined(__ARM_FEATURE_PAC_DEFAULT) && \ + (__ARM_FEATURE_PAC_DEFAULT & 2) == 2 /* Signed with B-key */ +# define GNU_PROPERTY_AARCH64_POINTER_AUTH \ + (1 << 1) /* Has Pointer Authentication */ +# define AARCH64_SIGN_LINK_REGISTER hint #27 /* PACIBSP */ +# define AARCH64_VALIDATE_LINK_REGISTER hint #31 /* AUTIBSP */ +# else +# define GNU_PROPERTY_AARCH64_POINTER_AUTH 0 /* No Pointer Authentication */ +# if GNU_PROPERTY_AARCH64_BTI != 0 +# define AARCH64_SIGN_LINK_REGISTER AARCH64_VALID_CALL_TARGET +# else +# define AARCH64_SIGN_LINK_REGISTER +# endif +# define AARCH64_VALIDATE_LINK_REGISTER +# endif + +# if GNU_PROPERTY_AARCH64_POINTER_AUTH != 0 || GNU_PROPERTY_AARCH64_BTI != 0 + .pushsection .note.gnu.property, "a"; + .balign 8; + .long 4; + .long 0x10; + .long 0x5; + .asciz "GNU"; + .long 0xc0000000; /* GNU_PROPERTY_AARCH64_FEATURE_1_AND */ + .long 4; + .long (GNU_PROPERTY_AARCH64_POINTER_AUTH | GNU_PROPERTY_AARCH64_BTI); + .long 0; + .popsection; +# endif + +# endif /* defined __ASSEMBLER__ */ + +#endif |