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481 lines
12 KiB
481 lines
12 KiB
![]()
10 years ago
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/**
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* SKEIN512 80 + SHA256 64
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* by tpruvot@github - 2015
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*/
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extern "C" {
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#include "sph/sph_skein.h"
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}
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#include "miner.h"
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#include "cuda_helper.h"
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#include <openssl/sha.h>
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static uint32_t *d_hash[MAX_GPUS];
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extern void skein512_cpu_setBlock_80(void *pdata);
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extern void skein512_cpu_hash_80(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_hash, int swap);
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static __device__ __constant__ uint32_t sha256_hashTable[] = {
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0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
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};
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static __device__ __constant__ uint32_t sha256_constantTable[64] = {
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0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
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0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
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0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
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0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
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0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
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0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
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0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
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0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
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};
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static __device__ __constant__ uint32_t sha256_endingTable[] = {
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0x80000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
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0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000200,
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0x80000000, 0x01400000, 0x00205000, 0x00005088, 0x22000800, 0x22550014, 0x05089742, 0xa0000020,
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0x5a880000, 0x005c9400, 0x0016d49d, 0xfa801f00, 0xd33225d0, 0x11675959, 0xf6e6bfda, 0xb30c1549,
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0x08b2b050, 0x9d7c4c27, 0x0ce2a393, 0x88e6e1ea, 0xa52b4335, 0x67a16f49, 0xd732016f, 0x4eeb2e91,
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0x5dbf55e5, 0x8eee2335, 0xe2bc5ec2, 0xa83f4394, 0x45ad78f7, 0x36f3d0cd, 0xd99c05e8, 0xb0511dc7,
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0x69bc7ac4, 0xbd11375b, 0xe3ba71e5, 0x3b209ff2, 0x18feee17, 0xe25ad9e7, 0x13375046, 0x0515089d,
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0x4f0d0f04, 0x2627484e, 0x310128d2, 0xc668b434, 0x420841cc, 0x62d311b8, 0xe59ba771, 0x85a7a484
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};
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/* Elementary functions used by SHA256 */
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#define SWAB32(x) cuda_swab32(x)
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//#define ROTR32(x,n) SPH_ROTR32(x,n)
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#define R(x, n) ((x) >> (n))
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#define Ch(x, y, z) ((x & (y ^ z)) ^ z)
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#define Maj(x, y, z) ((x & (y | z)) | (y & z))
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#define S0(x) (ROTR32(x, 2) ^ ROTR32(x, 13) ^ ROTR32(x, 22))
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#define S1(x) (ROTR32(x, 6) ^ ROTR32(x, 11) ^ ROTR32(x, 25))
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#define s0(x) (ROTR32(x, 7) ^ ROTR32(x, 18) ^ R(x, 3))
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#define s1(x) (ROTR32(x, 17) ^ ROTR32(x, 19) ^ R(x, 10))
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#define ADVANCED_SHA2
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#ifndef ADVANCED_SHA2
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/* SHA256 round function */
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#define RND(a, b, c, d, e, f, g, h, k) \
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do { \
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t0 = h + S1(e) + Ch(e, f, g) + k; \
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t1 = S0(a) + Maj(a, b, c); \
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d += t0; \
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h = t0 + t1; \
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} while (0)
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/* Adjusted round function for rotating state */
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#define RNDr(S, W, i) \
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RND(S[(64 - i) & 7], S[(65 - i) & 7], \
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S[(66 - i) & 7], S[(67 - i) & 7], \
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S[(68 - i) & 7], S[(69 - i) & 7], \
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S[(70 - i) & 7], S[(71 - i) & 7], \
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W[i] + sha256_constantTable[i])
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static __constant__ uint32_t sha256_ending[16] = {
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0x80000000UL, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x200UL
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};
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__device__
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void sha256_transform_gpu(uint32_t *state, uint32_t *message)
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{
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uint32_t S[8];
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uint32_t W[64];
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uint32_t t0, t1;
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/* Initialize work variables. */
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for (int i = 0; i < 8; i++) {
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S[i] = state[i];
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}
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for (int i = 0; i < 16; i++) {
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W[i] = message[i];
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}
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for (int i = 16; i < 64; i += 2) {
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W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
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W[i + 1] = s1(W[i - 1]) + W[i - 6] + s0(W[i - 14]) + W[i - 15];
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}
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/* 3. Mix. */
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RNDr(S, W, 0);
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RNDr(S, W, 1);
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RNDr(S, W, 2);
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RNDr(S, W, 3);
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RNDr(S, W, 4);
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RNDr(S, W, 5);
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RNDr(S, W, 6);
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RNDr(S, W, 7);
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RNDr(S, W, 8);
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RNDr(S, W, 9);
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RNDr(S, W, 10);
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RNDr(S, W, 11);
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RNDr(S, W, 12);
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RNDr(S, W, 13);
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RNDr(S, W, 14);
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RNDr(S, W, 15);
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RNDr(S, W, 16);
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RNDr(S, W, 17);
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RNDr(S, W, 18);
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RNDr(S, W, 19);
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RNDr(S, W, 20);
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RNDr(S, W, 21);
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RNDr(S, W, 22);
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RNDr(S, W, 23);
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RNDr(S, W, 24);
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RNDr(S, W, 25);
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RNDr(S, W, 26);
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RNDr(S, W, 27);
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RNDr(S, W, 28);
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RNDr(S, W, 29);
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RNDr(S, W, 30);
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RNDr(S, W, 31);
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RNDr(S, W, 32);
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RNDr(S, W, 33);
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RNDr(S, W, 34);
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RNDr(S, W, 35);
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RNDr(S, W, 36);
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RNDr(S, W, 37);
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RNDr(S, W, 38);
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RNDr(S, W, 39);
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RNDr(S, W, 40);
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RNDr(S, W, 41);
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RNDr(S, W, 42);
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RNDr(S, W, 43);
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RNDr(S, W, 44);
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RNDr(S, W, 45);
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RNDr(S, W, 46);
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RNDr(S, W, 47);
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RNDr(S, W, 48);
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RNDr(S, W, 49);
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RNDr(S, W, 50);
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RNDr(S, W, 51);
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RNDr(S, W, 52);
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RNDr(S, W, 53);
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RNDr(S, W, 54);
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RNDr(S, W, 55);
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RNDr(S, W, 56);
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RNDr(S, W, 57);
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RNDr(S, W, 58);
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RNDr(S, W, 59);
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RNDr(S, W, 60);
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RNDr(S, W, 61);
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RNDr(S, W, 62);
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RNDr(S, W, 63);
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for (int i = 0; i < 8; i++)
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state[i] += S[i];
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}
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#endif
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#ifdef ADVANCED_SHA2
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__device__
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void skeincoin_gpu_sha256(uint32_t *message)
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{
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uint32_t W1[16];
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uint32_t W2[16];
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uint32_t regs[8];
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uint32_t hash[8];
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// Init with Hash-Table
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#pragma unroll 8
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for (int k=0; k < 8; k++) {
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hash[k] = regs[k] = sha256_hashTable[k];
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}
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#pragma unroll 16
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for (int k = 0; k<16; k++)
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W1[k] = SWAB32(message[k]);
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// Progress W1
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#pragma unroll 16
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for (int j = 0; j<16; j++)
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{
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uint32_t T1, T2;
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j] + W1[j];
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
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#pragma unroll 7
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for (int k = 6; k >= 0; k--) regs[k + 1] = regs[k];
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regs[0] = T1 + T2;
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regs[4] += T1;
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}
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// Progress W2...W3
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////// PART 1
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#pragma unroll 2
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for (int j = 0; j<2; j++)
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W2[j] = s1(W1[14 + j]) + W1[9 + j] + s0(W1[1 + j]) + W1[j];
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#pragma unroll 5
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for (int j = 2; j<7; j++)
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W2[j] = s1(W2[j - 2]) + W1[9 + j] + s0(W1[1 + j]) + W1[j];
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#pragma unroll 8
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for (int j = 7; j<15; j++)
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W2[j] = s1(W2[j - 2]) + W2[j - 7] + s0(W1[1 + j]) + W1[j];
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W2[15] = s1(W2[13]) + W2[8] + s0(W2[0]) + W1[15];
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// Round function
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#pragma unroll 16
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for (int j = 0; j<16; j++)
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{
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uint32_t T1, T2;
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j + 16] + W2[j];
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
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#pragma unroll 7
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for (int l = 6; l >= 0; l--) regs[l + 1] = regs[l];
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regs[0] = T1 + T2;
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regs[4] += T1;
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}
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////// PART 2
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#pragma unroll 2
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for (int j = 0; j<2; j++)
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W1[j] = s1(W2[14 + j]) + W2[9 + j] + s0(W2[1 + j]) + W2[j];
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#pragma unroll 5
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for (int j = 2; j<7; j++)
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W1[j] = s1(W1[j - 2]) + W2[9 + j] + s0(W2[1 + j]) + W2[j];
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#pragma unroll 8
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for (int j = 7; j<15; j++)
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W1[j] = s1(W1[j - 2]) + W1[j - 7] + s0(W2[1 + j]) + W2[j];
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W1[15] = s1(W1[13]) + W1[8] + s0(W1[0]) + W2[15];
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// Round function
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#pragma unroll 16
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for (int j = 0; j<16; j++)
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{
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uint32_t T1, T2;
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j + 32] + W1[j];
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
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#pragma unroll 7
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for (int l = 6; l >= 0; l--) regs[l + 1] = regs[l];
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regs[0] = T1 + T2;
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regs[4] += T1;
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}
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////// PART 3
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#pragma unroll 2
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for (int j = 0; j<2; j++)
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W2[j] = s1(W1[14 + j]) + W1[9 + j] + s0(W1[1 + j]) + W1[j];
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#pragma unroll 5
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for (int j = 2; j<7; j++)
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W2[j] = s1(W2[j - 2]) + W1[9 + j] + s0(W1[1 + j]) + W1[j];
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#pragma unroll 8
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for (int j = 7; j<15; j++)
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W2[j] = s1(W2[j - 2]) + W2[j - 7] + s0(W1[1 + j]) + W1[j];
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W2[15] = s1(W2[13]) + W2[8] + s0(W2[0]) + W1[15];
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// Round function
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#pragma unroll 16
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for (int j = 0; j<16; j++)
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{
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uint32_t T1, T2;
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j + 48] + W2[j];
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
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#pragma unroll 7
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for (int l = 6; l >= 0; l--) regs[l + 1] = regs[l];
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regs[0] = T1 + T2;
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regs[4] += T1;
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}
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#pragma unroll 8
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for (int k = 0; k<8; k++)
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hash[k] += regs[k];
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#if 1
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/////
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///// Second Pass (ending)
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/////
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#pragma unroll 8
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for (int k = 0; k<8; k++)
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regs[k] = hash[k];
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// Progress W1
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#pragma unroll 64
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for (int j = 0; j<64; j++)
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{
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uint32_t T1, T2;
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T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_constantTable[j] + sha256_endingTable[j];
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T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
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#pragma unroll 7
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for (int k = 6; k >= 0; k--) regs[k + 1] = regs[k];
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regs[0] = T1 + T2;
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regs[4] += T1;
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}
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#pragma unroll 8
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for (int k = 0; k<8; k++)
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hash[k] += regs[k];
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// Final Hash
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#pragma unroll 8
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for (int k = 0; k<8; k++)
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message[k] = SWAB32(hash[k]);
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#else
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// sha256_transform only, require an additional sha256_transform_gpu() call
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#pragma unroll 8
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for (int k = 0; k<8; k++)
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message[k] = hash[k];
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#endif
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}
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#endif
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__global__
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void sha2_gpu_hash_64(uint32_t threads, uint32_t startNounce, uint32_t *hashBuffer)
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{
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uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
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if (thread < threads)
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{
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uint32_t *hash = &hashBuffer[thread << 4];
|
||
|
#ifdef ADVANCED_SHA2
|
||
|
skeincoin_gpu_sha256(hash);
|
||
|
#else
|
||
|
uint32_t state[16];
|
||
|
uint32_t msg[16];
|
||
|
#pragma unroll
|
||
|
for (int i = 0; i < 8; i++)
|
||
|
state[i] = sha256_hashTable[i];
|
||
|
|
||
|
#pragma unroll
|
||
|
for (int i = 0; i < 16; i++)
|
||
|
msg[i] = SWAB32(hash[i]);
|
||
|
|
||
|
sha256_transform_gpu(state, msg);
|
||
|
sha256_transform_gpu(state, sha256_ending);
|
||
|
|
||
|
#pragma unroll
|
||
|
for (int i = 0; i < 8; i++)
|
||
|
hash[i] = SWAB32(state[i]);
|
||
|
#endif
|
||
|
}
|
||
|
}
|
||
|
|
||
|
__host__
|
||
|
void sha2_cpu_hash_64(int thr_id, uint32_t threads, uint32_t startNounce, uint32_t *d_outputHashes, int order)
|
||
|
{
|
||
|
uint32_t threadsperblock = 128;
|
||
|
dim3 block(threadsperblock);
|
||
|
dim3 grid((threads + threadsperblock - 1) / threadsperblock);
|
||
|
//cudaMemset(d_outputHashes, 0, 64 * threads);
|
||
|
sha2_gpu_hash_64 <<< grid, block >>>(threads, startNounce, d_outputHashes);
|
||
|
MyStreamSynchronize(NULL, 0, thr_id);
|
||
|
}
|
||
|
|
||
|
extern "C" void skeincoinhash(void *output, const void *input)
|
||
|
{
|
||
|
sph_skein512_context ctx_skein;
|
||
|
SHA256_CTX sha256;
|
||
|
|
||
|
uint32_t hash[16];
|
||
|
|
||
|
sph_skein512_init(&ctx_skein);
|
||
|
sph_skein512(&ctx_skein, input, 80);
|
||
|
sph_skein512_close(&ctx_skein, hash);
|
||
|
|
||
|
SHA256_Init(&sha256);
|
||
|
SHA256_Update(&sha256, (unsigned char *)hash, 64);
|
||
|
SHA256_Final((unsigned char *)hash, &sha256);
|
||
|
|
||
|
memcpy(output, hash, 32);
|
||
|
}
|
||
|
|
||
|
static __inline uint32_t swab32_if(uint32_t val, bool iftrue) {
|
||
|
return iftrue ? swab32(val) : val;
|
||
|
}
|
||
|
|
||
|
static bool init[MAX_GPUS] = { 0 };
|
||
|
|
||
|
extern "C" int scanhash_skeincoin(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];
|
||
|
const int swap = 1;
|
||
|
|
||
|
uint32_t throughput = device_intensity(thr_id, __func__, 1 << 19); // 256*256*8
|
||
|
throughput = min(throughput, (max_nonce - first_nonce));
|
||
|
|
||
|
if (opt_benchmark)
|
||
|
((uint32_t*)ptarget)[7] = 0x0FFF;
|
||
|
|
||
|
if (!init[thr_id])
|
||
|
{
|
||
|
cudaSetDevice(device_map[thr_id]);
|
||
|
CUDA_SAFE_CALL(cudaMalloc(&d_hash[thr_id], 64 * throughput));
|
||
|
|
||
|
cuda_check_cpu_init(thr_id, throughput);
|
||
|
init[thr_id] = true;
|
||
|
}
|
||
|
|
||
|
uint32_t endiandata[20];
|
||
|
for (int k=0; k < 20; k++)
|
||
|
be32enc(&endiandata[k], pdata[k]);
|
||
|
|
||
|
skein512_cpu_setBlock_80((void*)endiandata);
|
||
|
cuda_check_cpu_setTarget(ptarget);
|
||
|
|
||
|
do {
|
||
|
int order = 0;
|
||
|
*hashes_done = pdata[19] - first_nonce + throughput;
|
||
|
|
||
|
// Hash with CUDA
|
||
|
skein512_cpu_hash_80(thr_id, throughput, pdata[19], d_hash[thr_id], swap);
|
||
|
sha2_cpu_hash_64(thr_id, throughput, pdata[19], d_hash[thr_id], order++);
|
||
|
|
||
|
uint32_t foundNonce = cuda_check_hash(thr_id, throughput, pdata[19], d_hash[thr_id]);
|
||
|
if (foundNonce != UINT32_MAX)
|
||
|
{
|
||
|
uint32_t vhash64[8];
|
||
|
|
||
|
endiandata[19] = swab32_if(foundNonce, swap);
|
||
|
skeincoinhash(vhash64, endiandata);
|
||
|
|
||
|
if (vhash64[7] <= ptarget[7] && fulltest(vhash64, ptarget)) {
|
||
|
int res = 1;
|
||
|
uint8_t num = res;
|
||
|
uint32_t secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], num);
|
||
|
while (secNonce != 0 && res < 6)
|
||
|
{
|
||
|
endiandata[19] = swab32_if(secNonce, swap);
|
||
|
skeincoinhash(vhash64, endiandata);
|
||
|
if (vhash64[7] <= ptarget[7] && fulltest(vhash64, ptarget)) {
|
||
|
pdata[19+res] = swab32_if(secNonce, !swap);
|
||
|
res++;
|
||
|
}
|
||
|
num++;
|
||
|
secNonce = cuda_check_hash_suppl(thr_id, throughput, pdata[19], d_hash[thr_id], num);
|
||
|
}
|
||
|
if (res > 1 && opt_debug)
|
||
|
applog(LOG_BLUE, "GPU #%d: %d/%d valid nonces !!!", device_map[thr_id], res, (int)num);
|
||
|
pdata[19] = swab32_if(foundNonce, !swap);
|
||
|
return res;
|
||
|
}
|
||
|
else {
|
||
|
applog(LOG_INFO, "GPU #%d: result for nonce $%08X does not validate on CPU!", thr_id, foundNonce);
|
||
|
pdata[19]++;
|
||
|
}
|
||
|
} else
|
||
|
pdata[19] += throughput;
|
||
|
|
||
|
} while (pdata[19] < max_nonce && !work_restart[thr_id].restart);
|
||
|
|
||
|
*hashes_done = pdata[19] - first_nonce + 1;
|
||
|
return 0;
|
||
|
}
|