popov/cpuminer-opt-gpu
1
0
Fork 0
mirror of https://github.com/JayDDee/cpuminer-opt.git synced 2025-09-17 23:44:27 +00:00
Code Issues Packages Projects Releases Wiki Activity

v3.5.9

Browse Source
This commit is contained in:
Jay D Dee
2017-02-22 22:47:44 -05:00
parent 4521b324e3
commit 33b1bb5cd4
31 changed files with 1597 additions and 559 deletions
Download Patch File Download Diff File Expand all files Collapse all files

82
algo/blake/decred.c
View File

@@ -5,13 +5,14 @@
#include <string.h>
#include <stdint.h>
#include <memory.h>
/*
#ifndef min
#define min(a,b) (a>b ? b : a)
#endif
#ifndef max
#define max(a,b) (a<b ? b : a)
#endif
*/
#define DECRED_NBITS_INDEX 29
#define DECRED_NTIME_INDEX 34
@@ -179,9 +180,10 @@ void decred_be_build_stratum_request( char *req, struct work *work,
free(xnonce2str);
}
/*
// data shared between gen_merkle_root and build_extraheader.
uint32_t decred_extraheader[32] = { 0 };
int decred_headersize = 0;
__thread uint32_t decred_extraheader[32] = { 0 };
__thread int decred_headersize = 0;
void decred_gen_merkle_root( char* merkle_root, struct stratum_ctx* sctx )
{
@@ -191,31 +193,57 @@ void decred_gen_merkle_root( char* merkle_root, struct stratum_ctx* sctx )
sizeof(decred_extraheader) );
memcpy( decred_extraheader, &sctx->job.coinbase[32], decred_headersize);
}
void decred_build_extraheader( struct work* work, struct stratum_ctx* sctx )
*/
void decred_build_extraheader( struct work* g_work, struct stratum_ctx* sctx )
{
uchar merkle_root[64] = { 0 };
uint32_t extraheader[32] = { 0 };
int headersize = 0;
uint32_t* extradata = (uint32_t*) sctx->xnonce1;
size_t t;
int i;
for ( i = 0; i < 8; i++ ) // prevhash
work->data[1 + i] = swab32( work->data[1 + i] );
for ( i = 0; i < 8; i++ ) // merkle
work->data[9 + i] = swab32( work->data[9 + i] );
for ( i = 0; i < decred_headersize/4; i++ ) // header
work->data[17 + i] = decred_extraheader[i];
// getwork over stratum, getwork merkle + header passed in coinb1
memcpy(merkle_root, sctx->job.coinbase, 32);
headersize = min((int)sctx->job.coinbase_size - 32,
sizeof(extraheader) );
memcpy( extraheader, &sctx->job.coinbase[32], headersize );
// Increment extranonce2
for ( t = 0; t < sctx->xnonce2_size && !( ++sctx->job.xnonce2[t] ); t++ );
// Assemble block header
memset( g_work->data, 0, sizeof(g_work->data) );
g_work->data[0] = le32dec( sctx->job.version );
for ( i = 0; i < 8; i++ )
g_work->data[1 + i] = swab32(
le32dec( (uint32_t *) sctx->job.prevhash + i ) );
for ( i = 0; i < 8; i++ )
g_work->data[9 + i] = swab32( be32dec( (uint32_t *) merkle_root + i ) );
// for ( i = 0; i < 8; i++ ) // prevhash
// g_work->data[1 + i] = swab32( g_work->data[1 + i] );
// for ( i = 0; i < 8; i++ ) // merkle
// g_work->data[9 + i] = swab32( g_work->data[9 + i] );
for ( i = 0; i < headersize/4; i++ ) // header
g_work->data[17 + i] = extraheader[i];
// extradata
for ( i = 0; i < sctx->xnonce1_size/4; i++ )
work->data[ DECRED_XNONCE_INDEX + i ] = extradata[i];
g_work->data[ DECRED_XNONCE_INDEX + i ] = extradata[i];
for ( i = DECRED_XNONCE_INDEX + sctx->xnonce1_size/4; i < 45; i++ )
work->data[i] = 0;
work->data[37] = (rand()*4) << 8;
sctx->bloc_height = work->data[32];
g_work->data[i] = 0;
g_work->data[37] = (rand()*4) << 8;
sctx->bloc_height = g_work->data[32];
//applog_hex(work->data, 180);
//applog_hex(&work->data[36], 36);
}
/*
bool decred_prevent_dupes( struct work* work, struct stratum_ctx* stratum,
int thr_id )
{
return false;
if ( have_stratum && strcmp(stratum->job.job_id, work->job_id) )
// need to regen g_work..
return true;
@@ -224,6 +252,25 @@ bool decred_prevent_dupes( struct work* work, struct stratum_ctx* stratum,
work->data[ DECRED_XNONCE_INDEX + 1 ] |= thr_id;
return false;
}
*/
bool decred_ready_to_mine( struct work* work, struct stratum_ctx* stratum,
int thr_id )
{
if ( have_stratum && strcmp(stratum->job.job_id, work->job_id) )
// need to regen g_work..
return false;
if ( have_stratum && !work->data[0] && !opt_benchmark )
{
sleep(1);
return false;
}
// extradata: prevent duplicates
work->data[ DECRED_XNONCE_INDEX ] += 1;
work->data[ DECRED_XNONCE_INDEX + 1 ] |= thr_id;
return true;
}
bool register_decred_algo( algo_gate_t* gate )
{
@@ -235,9 +282,10 @@ bool register_decred_algo( algo_gate_t* gate )
gate->get_max64 = (void*)&get_max64_0x3fffffLL;
gate->display_extra_data = (void*)&decred_decode_extradata;
gate->build_stratum_request = (void*)&decred_be_build_stratum_request;
gate->gen_merkle_root = (void*)&decred_gen_merkle_root;
// gate->gen_merkle_root = (void*)&decred_gen_merkle_root;
gate->build_extraheader = (void*)&decred_build_extraheader;
gate->prevent_dupes = (void*)&decred_prevent_dupes;
// gate->prevent_dupes = (void*)&decred_prevent_dupes;
gate->ready_to_mine = (void*)&decred_ready_to_mine;
gate->nbits_index = DECRED_NBITS_INDEX;
gate->ntime_index = DECRED_NTIME_INDEX;
gate->nonce_index = DECRED_NONCE_INDEX;