mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
91 lines
1.9 KiB
C
91 lines
1.9 KiB
C
#include "myrgr-gate.h"
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#if !defined(MYRGR_8WAY) && !defined(MYRGR_4WAY)
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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 __AES__
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#include "aes_ni/hash-groestl.h"
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#else
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#include "sph_groestl.h"
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#endif
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#include "algo/sha/sha256-hash.h"
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typedef struct {
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#ifdef __AES__
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hashState_groestl groestl;
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#else
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sph_groestl512_context groestl;
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#endif
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} myrgr_ctx_holder;
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myrgr_ctx_holder myrgr_ctx;
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void init_myrgr_ctx()
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{
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#ifdef __AES__
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init_groestl ( &myrgr_ctx.groestl, 64 );
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#else
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sph_groestl512_init( &myrgr_ctx.groestl );
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#endif
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}
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void myriad_hash(void *output, const void *input)
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{
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myrgr_ctx_holder ctx;
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memcpy( &ctx, &myrgr_ctx, sizeof(myrgr_ctx) );
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uint32_t _ALIGN(32) hash[16];
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#ifdef __AES__
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update_groestl( &ctx.groestl, (char*)input, 640 );
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final_groestl( &ctx.groestl, (char*)hash);
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#else
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sph_groestl512(&ctx.groestl, input, 80);
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sph_groestl512_close(&ctx.groestl, hash);
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#endif
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sha256_full( hash, hash, 64 );
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memcpy(output, hash, 32);
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}
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int scanhash_myriad( 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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uint32_t _ALIGN(64) endiandata[20];
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uint32_t *pdata = work->data;
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uint32_t *ptarget = work->target;
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const uint32_t first_nonce = pdata[19];
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uint32_t nonce = first_nonce;
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int thr_id = mythr->id;
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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];
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be32enc(&endiandata[19], nonce);
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myriad_hash(hash, endiandata);
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if (hash[7] <= Htarg )
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if ( fulltest(hash, ptarget) && !opt_benchmark )
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{
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pdata[19] = nonce;
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submit_solution( work, hash, mythr );
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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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#endif
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