c1669e1c20
This facilitates "universal" builds, ones that target multiple architectures, e.g. ARMv5 through ARMv7. See commentary in Configure for details. Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Matt Caswell <matt@openssl.org>
74 lines
2.1 KiB
C
74 lines
2.1 KiB
C
#ifndef __ARM_ARCH_H__
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#define __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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# if __BYTE_ORDER__==__ORDER_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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/*
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* Why doesn't gcc define __ARM_ARCH__? Instead it defines
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* bunch of below macros. See all_architectires[] 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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# 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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#if !__ASSEMBLER__
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extern unsigned int OPENSSL_armcap_P;
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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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#endif
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