mirror of
https://github.com/JayDDee/cpuminer-opt.git
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87 lines
2.7 KiB
C
87 lines
2.7 KiB
C
/*-
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* Copyright 2013-2018 Alexander Peslyak
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "cpuminer-config.h"
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#include "miner.h"
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include "yescrypt-r8g.h"
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int scanhash_yespower_r8g( struct work *work, uint32_t max_nonce,
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uint64_t *hashes_done, struct thr_info *mythr )
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{
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uint64_t hash[4] __attribute__((aligned(64)));
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uint32_t endiandata[32];
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uint32_t *pdata = work->data;
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const uint64_t *ptarget = (const uint64_t*)work->target;
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uint32_t n = pdata[19];
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const uint32_t first_nonce = pdata[19];
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const uint32_t last_nonce = max_nonce;
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const int thr_id = mythr->id;
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yespower_params_t params =
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{
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.version = YESPOWER_0_5,
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.N = 2048,
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.r = 8,
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.pers = (const uint8_t *)endiandata,
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.perslen = work->sapling ? 112 : 80,
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};
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//we need bigendian data...
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for ( int i = 0 ; i < 32; i++ )
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be32enc( &endiandata[ i], pdata[ i ]);
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endiandata[19] = n;
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// do sha256 prehash
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sha256_ctx_init( &sha256_prehash_ctx );
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sha256_update( &sha256_prehash_ctx, endiandata, 64 );
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do {
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yespower_tls( (unsigned char *)endiandata, params.perslen,
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¶ms, (yespower_binary_t*)hash, thr_id );
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if unlikely( valid_hash( hash, ptarget ) && !opt_benchmark )
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{
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be32enc( pdata+19, n );
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submit_solution( work, hash, mythr );
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}
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endiandata[19] = ++n;
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} while (n < last_nonce && !work_restart[thr_id].restart);
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*hashes_done = n - first_nonce + 1;
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pdata[19] = n;
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return 0;
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}
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bool register_yescryptr8g_algo( algo_gate_t* gate )
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{
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gate->optimizations = SSE2_OPT | SHA_OPT;
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gate->scanhash = (void*)&scanhash_yespower_r8g;
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gate->hash = (void*)&yespower_tls;
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pk_buffer_size = 26;
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opt_sapling = true;
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opt_target_factor = 65536.0;
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return true;
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};
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