mirror of
https://github.com/JayDDee/cpuminer-opt.git
synced 2025-09-17 23:44:27 +00:00
140 lines
3.1 KiB
C
140 lines
3.1 KiB
C
#include "miner.h"
|
|
#include "algo-gate-api.h"
|
|
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
|
|
#include "algo/shavite/sph_shavite.h"
|
|
#include "algo/simd/sph_simd.h"
|
|
#include "algo/echo/sph_echo.h"
|
|
|
|
//#define DEBUG_ALGO
|
|
|
|
extern void freshhash(void* output, const void* input, uint32_t len)
|
|
{
|
|
unsigned char hash[128]; // uint32_t hashA[16], hashB[16];
|
|
#define hashA hash
|
|
#define hashB hash+64
|
|
|
|
sph_shavite512_context ctx_shavite;
|
|
sph_simd512_context ctx_simd;
|
|
sph_echo512_context ctx_echo;
|
|
|
|
sph_shavite512_init(&ctx_shavite);
|
|
sph_shavite512(&ctx_shavite, input, len);
|
|
sph_shavite512_close(&ctx_shavite, hashA);
|
|
|
|
sph_simd512_init(&ctx_simd);
|
|
sph_simd512(&ctx_simd, hashA, 64);
|
|
sph_simd512_close(&ctx_simd, hashB);
|
|
|
|
sph_shavite512_init(&ctx_shavite);
|
|
sph_shavite512(&ctx_shavite, hashB, 64);
|
|
sph_shavite512_close(&ctx_shavite, hashA);
|
|
|
|
sph_simd512_init(&ctx_simd);
|
|
sph_simd512(&ctx_simd, hashA, 64);
|
|
sph_simd512_close(&ctx_simd, hashB);
|
|
|
|
sph_echo512_init(&ctx_echo);
|
|
sph_echo512(&ctx_echo, hashB, 64);
|
|
sph_echo512_close(&ctx_echo, hashA);
|
|
|
|
memcpy(output, hash, 32);
|
|
}
|
|
|
|
int scanhash_fresh(int thr_id, struct work *work,
|
|
uint32_t max_nonce, uint64_t *hashes_done)
|
|
{
|
|
uint32_t *pdata = work->data;
|
|
uint32_t *ptarget = work->target;
|
|
uint32_t len = 80;
|
|
|
|
uint32_t n = pdata[19] - 1;
|
|
const uint32_t first_nonce = pdata[19];
|
|
const uint32_t Htarg = ptarget[7];
|
|
#ifdef _MSC_VER
|
|
uint32_t __declspec(align(32)) hash64[8];
|
|
#else
|
|
uint32_t hash64[8] __attribute__((aligned(32)));
|
|
#endif
|
|
uint32_t endiandata[32];
|
|
|
|
uint64_t htmax[] = {
|
|
0,
|
|
0xF,
|
|
0xFF,
|
|
0xFFF,
|
|
0xFFFF,
|
|
0x10000000
|
|
};
|
|
uint32_t masks[] = {
|
|
0xFFFFFFFF,
|
|
0xFFFFFFF0,
|
|
0xFFFFFF00,
|
|
0xFFFFF000,
|
|
0xFFFF0000,
|
|
0
|
|
};
|
|
|
|
// we need bigendian data...
|
|
for (int k = 0; k < 19; k++)
|
|
be32enc(&endiandata[k], pdata[k]);
|
|
|
|
#ifdef DEBUG_ALGO
|
|
if (Htarg != 0)
|
|
printf("[%d] Htarg=%X\n", thr_id, Htarg);
|
|
#endif
|
|
for (int m=0; m < 6; m++) {
|
|
if (Htarg <= htmax[m]) {
|
|
uint32_t mask = masks[m];
|
|
do {
|
|
pdata[19] = ++n;
|
|
be32enc(&endiandata[19], n);
|
|
freshhash(hash64, endiandata, len);
|
|
#ifndef DEBUG_ALGO
|
|
if ((!(hash64[7] & mask)) && fulltest(hash64, ptarget)) {
|
|
*hashes_done = n - first_nonce + 1;
|
|
return true;
|
|
}
|
|
#else
|
|
if (!(n % 0x1000) && !thr_id) printf(".");
|
|
if (!(hash64[7] & mask)) {
|
|
printf("[%d]",thr_id);
|
|
if (fulltest(hash64, ptarget)) {
|
|
*hashes_done = n - first_nonce + 1;
|
|
return true;
|
|
}
|
|
}
|
|
#endif
|
|
} while (n < max_nonce && !work_restart[thr_id].restart);
|
|
// see blake.c if else to understand the loop on htmax => mask
|
|
break;
|
|
}
|
|
}
|
|
|
|
*hashes_done = n - first_nonce + 1;
|
|
pdata[19] = n;
|
|
return 0;
|
|
}
|
|
|
|
void fresh_set_target( struct work* work, double job_diff )
|
|
{
|
|
work_set_target( work, job_diff / (256.0 * opt_diff_factor) );
|
|
}
|
|
|
|
|
|
bool register_fresh_algo( algo_gate_t* gate )
|
|
{
|
|
algo_not_tested();
|
|
gate->scanhash = (void*)&scanhash_fresh;
|
|
gate->hash = (void*)&freshhash;
|
|
gate->hash_alt = (void*)&freshhash;
|
|
gate->set_target = (void*)&fresh_set_target;
|
|
gate->get_max64 = (void*)&get_max64_0x3ffff;
|
|
return true;
|
|
};
|
|
|