GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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extern "C" {
#include "sph/sph_blake.h"
#include "sph/sph_groestl.h"
#include "sph/sph_skein.h"
#include "sph/sph_keccak.h"
#include "lyra2/Lyra2.h"
}
#include "miner.h"
#include "cuda_helper.h"
static _ALIGN(64) uint64_t *d_hash[MAX_GPUS];
extern void blake256_cpu_init(int thr_id, int threads);
extern void blake256_cpu_hash_80(const int thr_id, const uint32_t threads, const uint32_t startNonce, uint64_t *Hash, int order);
extern void blake256_cpu_setBlock_80(uint32_t *pdata);
extern void keccak256_cpu_hash_32(int thr_id, int threads, uint32_t startNonce, uint64_t *d_outputHash, int order);
extern void keccak256_cpu_init(int thr_id, int threads);
extern void skein256_cpu_hash_32(int thr_id, int threads, uint32_t startNonce, uint64_t *d_outputHash, int order);
extern void skein256_cpu_init(int thr_id, int threads);
extern void lyra2_cpu_hash_32(int thr_id, int threads, uint32_t startNonce, uint64_t *d_outputHash, int order);
extern void groestl256_setTarget(const void *ptarget);
extern uint32_t groestl256_cpu_hash_32(int thr_id, int threads, uint32_t startNounce, uint64_t *d_outputHash, int order);
extern void groestl256_cpu_init(int thr_id, int threads);
extern "C" void lyra2_hash(void *state, const void *input)
{
sph_blake256_context ctx_blake;
sph_keccak256_context ctx_keccak;
sph_skein256_context ctx_skein;
sph_groestl256_context ctx_groestl;
uint32_t hashA[8], hashB[8];
sph_blake256_init(&ctx_blake);
sph_blake256(&ctx_blake, input, 80);
sph_blake256_close(&ctx_blake, hashA);
sph_keccak256_init(&ctx_keccak);
sph_keccak256(&ctx_keccak, hashA, 32);
sph_keccak256_close(&ctx_keccak, hashB);
LYRA2(hashA, 32, hashB, 32, hashB, 32, 1, 8, 8);
sph_skein256_init(&ctx_skein);
sph_skein256(&ctx_skein, hashA, 32);
sph_skein256_close(&ctx_skein, hashB);
sph_groestl256_init(&ctx_groestl);
sph_groestl256(&ctx_groestl, hashB, 32);
sph_groestl256_close(&ctx_groestl, hashA);
memcpy(state, hashA, 32);
}
static bool init[MAX_GPUS] = { 0 };
extern "C" int scanhash_lyra2(int thr_id, uint32_t *pdata,
const uint32_t *ptarget, uint32_t max_nonce,
unsigned long *hashes_done)
{
const uint32_t first_nonce = pdata[19];
int intensity = (device_sm[device_map[thr_id]] >= 500 && !is_windows()) ? 18 : 17;
int throughput = opt_work_size ? opt_work_size : (1 << intensity); // 18=256*256*4;
apiReportThroughput(thr_id, (uint32_t) throughput);
throughput = min(throughput, (int)(max_nonce - first_nonce));
if (opt_benchmark)
((uint32_t*)ptarget)[7] = 0x0000ff;
if (!init[thr_id])
{
cudaSetDevice(device_map[thr_id]);
blake256_cpu_init(thr_id, throughput);
keccak256_cpu_init(thr_id,throughput);
skein256_cpu_init(thr_id, throughput);
groestl256_cpu_init(thr_id, throughput);
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 16 * sizeof(uint32_t) * throughput));
init[thr_id] = true;
}
uint32_t endiandata[20];
for (int k=0; k < 20; k++)
be32enc(&endiandata[k], ((uint32_t*)pdata)[k]);
blake256_cpu_setBlock_80(pdata);
groestl256_setTarget(ptarget);
do {
int order = 0;
uint32_t foundNonce;
blake256_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
keccak256_cpu_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
lyra2_cpu_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
skein256_cpu_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
foundNonce = groestl256_cpu_hash_32(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
if (foundNonce != UINT32_MAX)
{
const uint32_t Htarg = ptarget[7];
uint32_t vhash64[8];
be32enc(&endiandata[19], foundNonce);
lyra2_hash(vhash64, endiandata);
if (vhash64[7] <= Htarg && fulltest(vhash64, ptarget)) {
*hashes_done = pdata[19] - first_nonce + throughput;
pdata[19] = foundNonce;
return 1;
} else {
applog(LOG_INFO, "GPU #%d: result for %08x does not validate on CPU!", thr_id, foundNonce);
}
}
pdata[19] += throughput;
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
*hashes_done = pdata[19] - first_nonce + 1;
return 0;
}