107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
/*
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* Copyright (c) 2012-2020 MIRACL UK Ltd.
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*
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* This file is part of MIRACL Core
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* (see https://github.com/miracl/core).
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* Architecture definition header file */
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/**
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* @file arch.h
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* @author Mike Scott
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* @date 23rd February 2016
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* @brief Architecture Header File
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*
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* Specify Processor Architecture
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*
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*/
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/* NOTE: There is only one user configurable section in this header - see below */
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#ifndef ARCH_H
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#define ARCH_H
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#include <stdint.h>
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#define WOULD_USE_VLAS /* Would like to use variable length arrays? */
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#ifdef WOULD_USE_VLAS
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#if __cplusplus >= 201402L
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#define USE_VLAS
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#endif
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#endif
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namespace core {
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/*** START OF USER CONFIGURABLE SECTION - set architecture ***/
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#define CHUNK 64 /**< size of chunk in bits = wordlength of computer = 16, 32 or 64. Note not all curve options are supported on 16-bit processors */
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/*** END OF USER CONFIGURABLE SECTION ***/
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/* Create Integer types */
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//#define byte uint8_t /**< 8-bit unsigned integer */
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//#define sign8 int8_t /**< 8-bit signed integer */
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//#define sign16 int16_t /**< 16-bit signed integer */
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//#define sign32 int32_t /**< 32-bit signed integer */
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//#define sign64 int64_t /**< 64-bit signed integer */
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//#define unsign32 uint32_t /**< 32-bit unsigned integer */
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//#define unsign64 uint64_t /**< 64-bit unsigned integer */
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using byte = uint8_t; /**< 8-bit unsigned integer */
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using sign8 = int8_t; /**< 8-bit signed integer */
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using sign16 = int16_t; /**< 16-bit signed integer */
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using sign32 = int32_t; /**< 32-bit signed integer */
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using sign64 = int64_t; /**< 64-bit signed integer */
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using unsign32 = uint32_t; /**< 32-bit unsigned integer */
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using unsign64 = uint64_t; /**< 64-bit unsigned integer */
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//#define uchar unsigned char /**< Unsigned char */
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using uchar = unsigned char;
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/* Don't mess with anything below this line unless you know what you are doing */
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#if CHUNK==16
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#define chunk int16_t /**< C type corresponding to word length */
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#define dchunk int32_t /**< Always define double length chunk type if available */
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#endif
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#if CHUNK == 32
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#define chunk int32_t /**< C type corresponding to word length */
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#define dchunk int64_t /**< Always define double length chunk type if available */
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#endif
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#if CHUNK == 64
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#define chunk int64_t /**< C type corresponding to word length */
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#if defined(__SIZEOF_INT128__) && __SIZEOF_INT128__ == 16
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#define dchunk __int128
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#endif
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#endif
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#ifdef dchunk
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#define COMBA /**< Use COMBA method for faster muls, sqrs and reductions */
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#endif
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}
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#endif
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