mirror of https://github.com/GOSTSec/ccminer
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
75 lines
2.1 KiB
75 lines
2.1 KiB
11 years ago
|
#include "uint256.h"
|
||
|
|
#include "sph_fugue.h"
|
||
|
|
|
||
|
|
#include "cpuminer-config.h"
|
||
|
|
#include "miner.h"
|
||
|
|
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <cuda_fugue256.h>
|
||
|
|
|
||
|
|
extern "C" void my_fugue256_init(void *cc);
|
||
|
|
extern "C" void my_fugue256(void *cc, const void *data, size_t len);
|
||
|
|
extern "C" void my_fugue256_close(void *cc, void *dst);
|
||
|
|
extern "C" void my_fugue256_addbits_and_close(void *cc, unsigned ub, unsigned n, void *dst);
|
||
|
|
|
||
|
|
// vorbereitete Kontexte nach den ersten 80 Bytes
|
||
|
|
sph_fugue256_context ctx_fugue_const[8];
|
||
|
|
|
||
|
|
#define SWAP32(x) \
|
||
|
|
((((x) << 24) & 0xff000000u) | (((x) << 8) & 0x00ff0000u) | \
|
||
|
|
(((x) >> 8) & 0x0000ff00u) | (((x) >> 24) & 0x000000ffu))
|
||
|
|
|
||
|
|
extern "C" int scanhash_fugue256(int thr_id, uint32_t *pdata, const uint32_t *ptarget,
|
||
|
|
uint32_t max_nonce, unsigned long *hashes_done)
|
||
|
|
{
|
||
|
|
uint32_t start_nonce = pdata[19];
|
||
|
|
const uint32_t Htarg = ptarget[7];
|
||
|
|
const uint32_t throughPut = 4096 * 128;
|
||
|
|
|
||
|
|
// init
|
||
|
|
static bool init[8] = { false, false, false, false, false, false, false, false };
|
||
|
|
if(!init[thr_id])
|
||
|
|
{
|
||
|
|
fugue256_cpu_init(thr_id, throughPut);
|
||
|
|
init[thr_id] = true;
|
||
|
|
}
|
||
|
|
|
||
|
|
// Endian Drehung ist notwendig
|
||
|
|
uint32_t endiandata[20];
|
||
|
|
for (int kk=0; kk < 20; kk++)
|
||
|
|
be32enc(&endiandata[kk], pdata[kk]);
|
||
|
|
|
||
|
|
// Context mit dem Endian gedrehten Blockheader vorbereiten (Nonce wird später ersetzt)
|
||
|
|
fugue256_cpu_setBlock(thr_id, endiandata, (void*)ptarget);
|
||
|
|
|
||
|
|
do {
|
||
|
|
// GPU
|
||
|
|
uint32_t foundNounce = 0xFFFFFFFF;
|
||
|
|
fugue256_cpu_hash(thr_id, throughPut, pdata[19], NULL, &foundNounce);
|
||
|
|
|
||
|
|
if(foundNounce < 0xffffffff)
|
||
|
|
{
|
||
|
|
uint32_t hash[8];
|
||
|
|
endiandata[19] = SWAP32(foundNounce);
|
||
|
|
sph_fugue256_context ctx_fugue;
|
||
|
|
sph_fugue256_init(&ctx_fugue);
|
||
|
|
sph_fugue256 (&ctx_fugue, endiandata, 80);
|
||
|
|
sph_fugue256_close(&ctx_fugue, &hash);
|
||
|
|
|
||
|
|
pdata[19] = foundNounce;
|
||
|
|
*hashes_done = SWAP32(foundNounce) - start_nonce + 1;
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (pdata[19] + throughPut < pdata[19])
|
||
|
|
pdata[19] = max_nonce;
|
||
|
|
else pdata[19] += throughPut;
|
||
|
|
|
||
|
|
|
||
|
|
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
|
||
|
|
|
||
|
|
*hashes_done = pdata[19] - start_nonce + 1;
|
||
|
|
return 0;
|
||
|
|
}
|