Added RandomX code here

RandomX/src/configuration.h

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+/*
+Copyright (c) 2018-2019, tevador <tevador@gmail.com>
+Copyright (c) 2019, Wownero Inc., a Monero Enterprise Alliance partner company
+
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+	* Redistributions of source code must retain the above copyright
+	  notice, this list of conditions and the following disclaimer.
+	* Redistributions in binary form must reproduce the above copyright
+	  notice, this list of conditions and the following disclaimer in the
+	  documentation and/or other materials provided with the distribution.
+	* Neither the name of the copyright holder nor the
+	  names of its contributors may be used to endorse or promote products
+	  derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+#pragma once
+
+//Cache size in KiB. Must be a power of 2.
+#define RANDOMX_ARGON_MEMORY       262144
+
+//Number of Argon2d iterations for Cache initialization.
+#define RANDOMX_ARGON_ITERATIONS   3
+
+//Number of parallel lanes for Cache initialization.
+#define RANDOMX_ARGON_LANES        1
+
+//Argon2d salt
+#define RANDOMX_ARGON_SALT         "RandomWOW\x01"
+
+//Number of random Cache accesses per Dataset item. Minimum is 2.
+#define RANDOMX_CACHE_ACCESSES     8
+
+//Target latency for SuperscalarHash (in cycles of the reference CPU).
+#define RANDOMX_SUPERSCALAR_LATENCY   170
+
+//Dataset base size in bytes. Must be a power of 2.
+#define RANDOMX_DATASET_BASE_SIZE  2147483648
+
+//Dataset extra size. Must be divisible by 64.
+#define RANDOMX_DATASET_EXTRA_SIZE 33554368
+
+//Number of instructions in a RandomX program. Must be divisible by 8.
+#define RANDOMX_PROGRAM_SIZE       256
+
+//Number of iterations during VM execution.
+#define RANDOMX_PROGRAM_ITERATIONS 1024
+
+//Number of chained VM executions per hash.
+#define RANDOMX_PROGRAM_COUNT      16
+
+//Scratchpad L3 size in bytes. Must be a power of 2.
+#define RANDOMX_SCRATCHPAD_L3      1048576 // 1M
+
+//Scratchpad L2 size in bytes. Must be a power of two and less than or equal to RANDOMX_SCRATCHPAD_L3.
+#define RANDOMX_SCRATCHPAD_L2      131072 // 128K
+
+//Scratchpad L1 size in bytes. Must be a power of two (minimum 64) and less than or equal to RANDOMX_SCRATCHPAD_L2.
+#define RANDOMX_SCRATCHPAD_L1      16384 // 16K
+
+//Jump condition mask size in bits.
+#define RANDOMX_JUMP_BITS          8
+
+//Jump condition mask offset in bits. The sum of RANDOMX_JUMP_BITS and RANDOMX_JUMP_OFFSET must not exceed 16.
+#define RANDOMX_JUMP_OFFSET        8
+
+/*
+Instruction frequencies (per 256 opcodes)
+Total sum of frequencies must be 256
+*/
+
+//Integer instructions
+#define RANDOMX_FREQ_IADD_RS       25
+#define RANDOMX_FREQ_IADD_M         7
+#define RANDOMX_FREQ_ISUB_R        16
+#define RANDOMX_FREQ_ISUB_M         7
+#define RANDOMX_FREQ_IMUL_R        16
+#define RANDOMX_FREQ_IMUL_M         4
+#define RANDOMX_FREQ_IMULH_R        4
+#define RANDOMX_FREQ_IMULH_M        1
+#define RANDOMX_FREQ_ISMULH_R       4
+#define RANDOMX_FREQ_ISMULH_M       1
+#define RANDOMX_FREQ_IMUL_RCP       8
+#define RANDOMX_FREQ_INEG_R         2
+#define RANDOMX_FREQ_IXOR_R        15
+#define RANDOMX_FREQ_IXOR_M         5
+#define RANDOMX_FREQ_IROR_R        10
+#define RANDOMX_FREQ_IROL_R         0
+#define RANDOMX_FREQ_ISWAP_R        4
+
+//Floating point instructions
+#define RANDOMX_FREQ_FSWAP_R        8
+#define RANDOMX_FREQ_FADD_R        20
+#define RANDOMX_FREQ_FADD_M         5
+#define RANDOMX_FREQ_FSUB_R        20
+#define RANDOMX_FREQ_FSUB_M         5
+#define RANDOMX_FREQ_FSCAL_R        6
+#define RANDOMX_FREQ_FMUL_R        20
+#define RANDOMX_FREQ_FDIV_M         4
+#define RANDOMX_FREQ_FSQRT_R        6
+
+//Control instructions
+#define RANDOMX_FREQ_CBRANCH       16
+#define RANDOMX_FREQ_CFROUND        1
+
+//Store instruction
+#define RANDOMX_FREQ_ISTORE        16
+
+//No-op instruction
+#define RANDOMX_FREQ_NOP            0
+/*                               ------
+                                  256
+*/