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.
96 lines
2.5 KiB
96 lines
2.5 KiB
#include <string.h> |
|
#include <stdint.h> |
|
#include <cuda_runtime.h> |
|
#include <openssl/sha.h> |
|
|
|
#include "uint256.h" |
|
#include "sph/sph_groestl.h" |
|
|
|
#include "miner.h" |
|
|
|
void myriadgroestl_cpu_init(int thr_id, uint32_t threads); |
|
void myriadgroestl_cpu_setBlock(int thr_id, void *data, void *pTargetIn); |
|
void myriadgroestl_cpu_hash(int thr_id, uint32_t threads, uint32_t startNounce, void *outputHashes, uint32_t *nounce); |
|
|
|
void myriadhash(void *state, const void *input) |
|
{ |
|
uint32_t _ALIGN(64) hash[16]; |
|
sph_groestl512_context ctx_groestl; |
|
SHA256_CTX sha256; |
|
|
|
sph_groestl512_init(&ctx_groestl); |
|
sph_groestl512(&ctx_groestl, input, 80); |
|
sph_groestl512_close(&ctx_groestl, hash); |
|
|
|
SHA256_Init(&sha256); |
|
SHA256_Update(&sha256,(unsigned char *)hash, 64); |
|
SHA256_Final((unsigned char *)hash, &sha256); |
|
|
|
memcpy(state, hash, 32); |
|
} |
|
|
|
static bool init[MAX_GPUS] = { 0 }; |
|
|
|
int scanhash_myriad(int thr_id, uint32_t *pdata, const uint32_t *ptarget, |
|
uint32_t max_nonce, unsigned long *hashes_done) |
|
{ |
|
uint32_t _ALIGN(64) endiandata[32]; |
|
uint32_t start_nonce = pdata[19]++; |
|
uint32_t throughput = device_intensity(thr_id, __func__, 1 << 17); |
|
throughput = min(throughput, max_nonce - start_nonce); |
|
|
|
uint32_t *outputHash = (uint32_t*)malloc(throughput * 64); |
|
|
|
if (opt_benchmark) |
|
((uint32_t*)ptarget)[7] = 0x0000ff; |
|
|
|
// init |
|
if(!init[thr_id]) |
|
{ |
|
cudaSetDevice(device_map[thr_id]); |
|
myriadgroestl_cpu_init(thr_id, throughput); |
|
init[thr_id] = true; |
|
} |
|
|
|
for (int k=0; k < 20; k++) |
|
be32enc(&endiandata[k], pdata[k]); |
|
|
|
// Context mit dem Endian gedrehten Blockheader vorbereiten (Nonce wird später ersetzt) |
|
myriadgroestl_cpu_setBlock(thr_id, endiandata, (void*)ptarget); |
|
|
|
do { |
|
// GPU |
|
uint32_t foundNounce = UINT32_MAX; |
|
|
|
*hashes_done = pdata[19] - start_nonce + throughput; |
|
|
|
myriadgroestl_cpu_hash(thr_id, throughput, pdata[19], outputHash, &foundNounce); |
|
|
|
if (foundNounce < UINT32_MAX) |
|
{ |
|
uint32_t _ALIGN(64) tmpHash[8]; |
|
endiandata[19] = swab32(foundNounce); |
|
myriadhash(tmpHash, endiandata); |
|
if (tmpHash[7] <= ptarget[7] && fulltest(tmpHash, ptarget)) { |
|
pdata[19] = foundNounce; |
|
free(outputHash); |
|
return 1; |
|
} else { |
|
applog(LOG_WARNING, "GPU #%d: result for nonce %08x does not validate on CPU!", |
|
device_map[thr_id], foundNounce); |
|
} |
|
} |
|
|
|
if ((uint64_t) pdata[19] + throughput > max_nonce) { |
|
pdata[19] = max_nonce; |
|
*hashes_done = max_nonce - start_nonce + 1; |
|
break; |
|
} |
|
pdata[19] += throughput; |
|
|
|
} while (!work_restart[thr_id].restart); |
|
|
|
free(outputHash); |
|
return 0; |
|
} |
|
|
|
|