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76 lines
2.4 KiB
76 lines
2.4 KiB
/* XMRig
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* Copyright 2010 Jeff Garzik <jgarzik@pobox.com>
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* Copyright 2012-2014 pooler <pooler@litecoinpool.org>
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* Copyright 2014 Lucas Jones <https://github.com/lucasjones>
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* Copyright 2014-2016 Wolf9466 <https://github.com/OhGodAPet>
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* Copyright 2016 Jay D Dee <jayddee246@gmail.com>
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* Copyright 2016-2017 XMRig <support@xmrig.com>
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*
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "persistent_memory.h"
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#include "algo/cryptonight/cryptonight.h"
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#include "options.h"
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static size_t offset = 0;
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#ifndef XMRIG_NO_AEON
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static void * create_persistent_ctx_lite(int thr_id) {
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struct cryptonight_ctx *ctx = NULL;
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if (!opt_double_hash) {
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const size_t offset = MEMORY * (thr_id + 1);
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ctx = (struct cryptonight_ctx *) &persistent_memory[offset + MEMORY_LITE];
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ctx->memory = (uint8_t*) &persistent_memory[offset];
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return ctx;
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}
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ctx = (struct cryptonight_ctx *) &persistent_memory[MEMORY - sizeof(struct cryptonight_ctx) * (thr_id + 1)];
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ctx->memory = (uint8_t*) &persistent_memory[MEMORY * (thr_id + 1)];
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return ctx;
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}
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#endif
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void * persistent_calloc(size_t num, size_t size) {
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void *mem = &persistent_memory[offset];
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offset += (num * size);
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memset(mem, 0, num * size);
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return mem;
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}
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void * create_persistent_ctx(int thr_id) {
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# ifndef XMRIG_NO_AEON
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if (opt_algo == ALGO_CRYPTONIGHT_LITE) {
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return create_persistent_ctx_lite(thr_id);
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}
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# endif
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struct cryptonight_ctx *ctx = (struct cryptonight_ctx *) &persistent_memory[MEMORY - sizeof(struct cryptonight_ctx) * (thr_id + 1)];
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const int ratio = opt_double_hash ? 2 : 1;
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ctx->memory = (uint8_t*) &persistent_memory[MEMORY * (thr_id * ratio + 1)];
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return ctx;
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}
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