109 lines
2.9 KiB
C
109 lines
2.9 KiB
C
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/* Copyright 2015, Kenneth MacKay. Licensed under the BSD 2-clause license. */
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#ifndef _UECC_TYPES_H_
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#define _UECC_TYPES_H_
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#ifndef uECC_PLATFORM
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#if __AVR__
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#define uECC_PLATFORM uECC_avr
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#elif defined(__thumb2__) || defined(_M_ARMT) /* I think MSVC only supports Thumb-2 targets */
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#define uECC_PLATFORM uECC_arm_thumb2
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#elif defined(__thumb__)
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#define uECC_PLATFORM uECC_arm_thumb
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#elif defined(__arm__) || defined(_M_ARM)
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#define uECC_PLATFORM uECC_arm
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#elif defined(__aarch64__)
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#define uECC_PLATFORM uECC_arm64
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#elif defined(__i386__) || defined(_M_IX86) || defined(_X86_) || defined(__I86__)
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#define uECC_PLATFORM uECC_x86
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#elif defined(__amd64__) || defined(_M_X64)
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#define uECC_PLATFORM uECC_x86_64
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#else
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#define uECC_PLATFORM uECC_arch_other
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#endif
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#endif
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#ifndef uECC_ARM_USE_UMAAL
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#if (uECC_PLATFORM == uECC_arm) && (__ARM_ARCH >= 6)
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#define uECC_ARM_USE_UMAAL 1
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#elif (uECC_PLATFORM == uECC_arm_thumb2) && (__ARM_ARCH >= 6) && !__ARM_ARCH_7M__
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#define uECC_ARM_USE_UMAAL 1
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#else
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#define uECC_ARM_USE_UMAAL 0
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#endif
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#endif
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#ifndef uECC_WORD_SIZE
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#if uECC_PLATFORM == uECC_avr
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#define uECC_WORD_SIZE 1
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#elif (uECC_PLATFORM == uECC_x86_64 || uECC_PLATFORM == uECC_arm64)
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#define uECC_WORD_SIZE 8
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#else
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#define uECC_WORD_SIZE 4
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#endif
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#endif
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#if (uECC_WORD_SIZE != 1) && (uECC_WORD_SIZE != 4) && (uECC_WORD_SIZE != 8)
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#error "Unsupported value for uECC_WORD_SIZE"
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#endif
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#if ((uECC_PLATFORM == uECC_avr) && (uECC_WORD_SIZE != 1))
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#pragma message ("uECC_WORD_SIZE must be 1 for AVR")
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#undef uECC_WORD_SIZE
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#define uECC_WORD_SIZE 1
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#endif
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#if ((uECC_PLATFORM == uECC_arm || uECC_PLATFORM == uECC_arm_thumb || \
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uECC_PLATFORM == uECC_arm_thumb2) && \
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(uECC_WORD_SIZE != 4))
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#pragma message ("uECC_WORD_SIZE must be 4 for ARM")
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#undef uECC_WORD_SIZE
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#define uECC_WORD_SIZE 4
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#endif
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#if defined(__SIZEOF_INT128__) || ((__clang_major__ * 100 + __clang_minor__) >= 302)
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#define SUPPORTS_INT128 1
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#else
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#define SUPPORTS_INT128 0
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#endif
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typedef int8_t wordcount_t;
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typedef int16_t bitcount_t;
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typedef int8_t cmpresult_t;
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#if (uECC_WORD_SIZE == 1)
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typedef uint8_t uECC_word_t;
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typedef uint16_t uECC_dword_t;
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#define HIGH_BIT_SET 0x80
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#define uECC_WORD_BITS 8
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#define uECC_WORD_BITS_SHIFT 3
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#define uECC_WORD_BITS_MASK 0x07
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#elif (uECC_WORD_SIZE == 4)
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typedef uint32_t uECC_word_t;
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typedef uint64_t uECC_dword_t;
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#define HIGH_BIT_SET 0x80000000
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#define uECC_WORD_BITS 32
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#define uECC_WORD_BITS_SHIFT 5
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#define uECC_WORD_BITS_MASK 0x01F
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#elif (uECC_WORD_SIZE == 8)
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typedef uint64_t uECC_word_t;
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#if SUPPORTS_INT128
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typedef unsigned __int128 uECC_dword_t;
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#endif
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#define HIGH_BIT_SET 0x8000000000000000ull
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#define uECC_WORD_BITS 64
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#define uECC_WORD_BITS_SHIFT 6
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#define uECC_WORD_BITS_MASK 0x03F
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#endif /* uECC_WORD_SIZE */
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#endif /* _UECC_TYPES_H_ */
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