mirror of
https://github.com/JayDDee/cpuminer-opt.git
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103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
#include "lyra2-gate.h"
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#include <memory.h>
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#include "algo/blake/sph_blake.h"
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#include "algo/cubehash/sph_cubehash.h"
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#include "algo/bmw/sph_bmw.h"
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#include "algo/cubehash/cubehash_sse2.h"
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//#include "lyra2.h"
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typedef struct {
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cubehashParam cube;
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// cubehashParam cube2;
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sph_blake256_context blake;
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sph_bmw256_context bmw;
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} lyra2v3_ctx_holder;
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static lyra2v3_ctx_holder lyra2v3_ctx;
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static __thread sph_blake256_context l2v3_blake_mid;
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bool init_lyra2rev3_ctx()
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{
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cubehashInit( &lyra2v3_ctx.cube, 256, 16, 32 );
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// cubehashInit( &lyra2v3_ctx.cube2, 256, 16, 32 );
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sph_blake256_init( &lyra2v3_ctx.blake );
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sph_bmw256_init( &lyra2v3_ctx.bmw );
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return true;
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}
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void l2v3_blake256_midstate( const void* input )
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{
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memcpy( &l2v3_blake_mid, &lyra2v3_ctx.blake, sizeof l2v3_blake_mid );
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sph_blake256( &l2v3_blake_mid, input, 64 );
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}
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void lyra2rev3_hash( void *state, const void *input )
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{
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lyra2v3_ctx_holder ctx __attribute__ ((aligned (64)));
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memcpy( &ctx, &lyra2v3_ctx, sizeof(lyra2v3_ctx) );
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uint8_t hash[128] __attribute__ ((aligned (64)));
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#define hashA hash
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#define hashB hash+64
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const int midlen = 64; // bytes
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const int tail = 80 - midlen; // 16
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memcpy( &ctx.blake, &l2v3_blake_mid, sizeof l2v3_blake_mid );
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sph_blake256( &ctx.blake, (uint8_t*)input + midlen, tail );
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sph_blake256_close( &ctx.blake, hash );
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LYRA2REV3( l2v3_wholeMatrix, hash, 32, hash, 32, hash, 32, 1, 4, 4 );
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cubehashUpdateDigest( &ctx.cube, (byte*) hashA,
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(const byte*) hash, 32 );
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LYRA2REV3( l2v3_wholeMatrix, hash, 32, hash, 32, hash, 32, 1, 4, 4 );
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sph_bmw256( &ctx.bmw, hash, 32 );
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sph_bmw256_close( &ctx.bmw, hash );
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memcpy( state, hash, 32 );
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}
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int scanhash_lyra2rev3(int thr_id, struct work *work,
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uint32_t max_nonce, 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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uint32_t hash[8] __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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const uint32_t Htarg = ptarget[7];
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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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l2v3_blake256_midstate( endiandata );
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do {
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be32enc(&endiandata[19], nonce);
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lyra2rev3_hash(hash, endiandata);
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if (hash[7] <= Htarg )
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{
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if( fulltest(hash, ptarget) )
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{
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pdata[19] = nonce;
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work_set_target_ratio( work, hash );
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*hashes_done = pdata[19] - first_nonce;
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return 1;
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}
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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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