mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
120 lines
2.9 KiB
C
120 lines
2.9 KiB
C
#include "miner.h"
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#include "algo-gate-api.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#ifdef NO_AES_NI
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#include "sph_groestl.h"
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#else
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#include "algo/groestl/aes_ni/hash-groestl.h"
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#endif
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typedef struct
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{
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#ifdef NO_AES_NI
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sph_groestl512_context groestl1, groestl2;
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#else
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hashState_groestl groestl1, groestl2;
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#endif
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} groestl_ctx_holder;
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static groestl_ctx_holder groestl_ctx;
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void init_groestl_ctx()
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{
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#ifdef NO_AES_NI
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sph_groestl512_init( &groestl_ctx.groestl1 );
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sph_groestl512_init( &groestl_ctx.groestl2 );
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#else
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init_groestl( &groestl_ctx.groestl1, 64 );
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init_groestl( &groestl_ctx.groestl2, 64 );
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#endif
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}
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void groestlhash( void *output, const void *input )
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{
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uint32_t hash[16] __attribute__ ((aligned (64)));
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groestl_ctx_holder ctx __attribute__ ((aligned (64)));
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memcpy( &ctx, &groestl_ctx, sizeof(groestl_ctx) );
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#ifdef NO_AES_NI
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sph_groestl512(&ctx.groestl1, input, 80);
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sph_groestl512_close(&ctx.groestl1, hash);
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sph_groestl512(&ctx.groestl2, hash, 64);
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sph_groestl512_close(&ctx.groestl2, hash);
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#else
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update_and_final_groestl( &ctx.groestl1, (char*)hash,
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(const char*)input, 640 );
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update_and_final_groestl( &ctx.groestl2, (char*)hash,
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(const char*)hash, 512 );
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#endif
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memcpy(output, hash, 32);
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}
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int scanhash_groestl( int thr_id, struct work *work, uint32_t max_nonce,
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uint64_t *hashes_done )
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{
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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uint32_t endiandata[20] __attribute__ ((aligned (64)));
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const uint32_t first_nonce = pdata[19];
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uint32_t nonce = first_nonce;
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if (opt_benchmark)
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((uint32_t*)ptarget)[7] = 0x0000ff;
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swab32_array( endiandata, pdata, 20 );
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do {
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const uint32_t Htarg = ptarget[7];
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uint32_t hash[8] __attribute__ ((aligned (64)));
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be32enc(&endiandata[19], nonce);
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groestlhash(hash, endiandata);
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if (hash[7] <= Htarg )
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if ( fulltest(hash, ptarget))
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{
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce;
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return 1;
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}
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nonce++;
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} while (nonce < max_nonce && !work_restart[thr_id].restart);
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pdata[19] = nonce;
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*hashes_done = pdata[19] - first_nonce + 1;
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return 0;
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}
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void groestl_set_target( struct work* work, double job_diff )
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{
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work_set_target( work, job_diff / (256.0 * opt_diff_factor) );
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}
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bool register_dmd_gr_algo( algo_gate_t* gate )
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{
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init_groestl_ctx();
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gate->optimizations = SSE2_OPT | AES_OPT;
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gate->scanhash = (void*)&scanhash_groestl;
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gate->hash = (void*)&groestlhash;
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gate->set_target = (void*)&groestl_set_target;
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gate->get_max64 = (void*)&get_max64_0x3ffff;
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return true;
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};
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bool register_groestl_algo( algo_gate_t* gate )
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{
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register_dmd_gr_algo( gate );
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gate->gen_merkle_root = (void*)&SHA256_gen_merkle_root;
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return true;
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};
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