Diff: types.h

Revision:

0:b6fdeddc0bc9

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/types.h	Thu Sep 07 12:10:11 2017 +0000
@@ -0,0 +1,108 @@
+/* Copyright 2015, Kenneth MacKay. Licensed under the BSD 2-clause license. */
+
+#ifndef _UECC_TYPES_H_
+#define _UECC_TYPES_H_
+
+#ifndef uECC_PLATFORM
+    #if __AVR__
+        #define uECC_PLATFORM uECC_avr
+    #elif defined(__thumb2__) || defined(_M_ARMT) /* I think MSVC only supports Thumb-2 targets */
+        #define uECC_PLATFORM uECC_arm_thumb2
+    #elif defined(__thumb__)
+        #define uECC_PLATFORM uECC_arm_thumb
+    #elif defined(__arm__) || defined(_M_ARM)
+        #define uECC_PLATFORM uECC_arm
+    #elif defined(__aarch64__)
+        #define uECC_PLATFORM uECC_arm64
+    #elif defined(__i386__) || defined(_M_IX86) || defined(_X86_) || defined(__I86__)
+        #define uECC_PLATFORM uECC_x86
+    #elif defined(__amd64__) || defined(_M_X64)
+        #define uECC_PLATFORM uECC_x86_64
+    #else
+        #define uECC_PLATFORM uECC_arch_other
+    #endif
+#endif
+
+#ifndef uECC_ARM_USE_UMAAL
+    #if (uECC_PLATFORM == uECC_arm) && (__ARM_ARCH >= 6)
+        #define uECC_ARM_USE_UMAAL 1
+    #elif (uECC_PLATFORM == uECC_arm_thumb2) && (__ARM_ARCH >= 6) && !__ARM_ARCH_7M__
+        #define uECC_ARM_USE_UMAAL 1
+    #else
+        #define uECC_ARM_USE_UMAAL 0
+    #endif
+#endif
+
+#ifndef uECC_WORD_SIZE
+    #if uECC_PLATFORM == uECC_avr
+        #define uECC_WORD_SIZE 1
+    #elif (uECC_PLATFORM == uECC_x86_64 || uECC_PLATFORM == uECC_arm64)
+        #define uECC_WORD_SIZE 8
+    #else
+        #define uECC_WORD_SIZE 4
+    #endif
+#endif
+
+#if (uECC_WORD_SIZE != 1) && (uECC_WORD_SIZE != 4) && (uECC_WORD_SIZE != 8)
+    #error "Unsupported value for uECC_WORD_SIZE"
+#endif
+
+#if ((uECC_PLATFORM == uECC_avr) && (uECC_WORD_SIZE != 1))
+    #pragma message ("uECC_WORD_SIZE must be 1 for AVR")
+    #undef uECC_WORD_SIZE
+    #define uECC_WORD_SIZE 1
+#endif
+
+#if ((uECC_PLATFORM == uECC_arm || uECC_PLATFORM == uECC_arm_thumb || \
+        uECC_PLATFORM ==  uECC_arm_thumb2) && \
+     (uECC_WORD_SIZE != 4))
+    #pragma message ("uECC_WORD_SIZE must be 4 for ARM")
+    #undef uECC_WORD_SIZE
+    #define uECC_WORD_SIZE 4
+#endif
+
+#if defined(__SIZEOF_INT128__) || ((__clang_major__ * 100 + __clang_minor__) >= 302)
+    #define SUPPORTS_INT128 1
+#else
+    #define SUPPORTS_INT128 0
+#endif
+
+typedef int8_t wordcount_t;
+typedef int16_t bitcount_t;
+typedef int8_t cmpresult_t;
+
+#if (uECC_WORD_SIZE == 1)
+
+typedef uint8_t uECC_word_t;
+typedef uint16_t uECC_dword_t;
+
+#define HIGH_BIT_SET 0x80
+#define uECC_WORD_BITS 8
+#define uECC_WORD_BITS_SHIFT 3
+#define uECC_WORD_BITS_MASK 0x07
+
+#elif (uECC_WORD_SIZE == 4)
+
+typedef uint32_t uECC_word_t;
+typedef uint64_t uECC_dword_t;
+
+#define HIGH_BIT_SET 0x80000000
+#define uECC_WORD_BITS 32
+#define uECC_WORD_BITS_SHIFT 5
+#define uECC_WORD_BITS_MASK 0x01F
+
+#elif (uECC_WORD_SIZE == 8)
+
+typedef uint64_t uECC_word_t;
+#if SUPPORTS_INT128
+typedef unsigned __int128 uECC_dword_t;
+#endif
+
+#define HIGH_BIT_SET 0x8000000000000000ull
+#define uECC_WORD_BITS 64
+#define uECC_WORD_BITS_SHIFT 6
+#define uECC_WORD_BITS_MASK 0x03F
+
+#endif /* uECC_WORD_SIZE */
+
+#endif /* _UECC_TYPES_H_ */