diff --git a/Makefile.am b/Makefile.am
index 6af46ae..31b259e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -21,7 +21,7 @@ ccminer_SOURCES = elist.h miner.h compat.h \
crc32.c cuda_checkhash.cu \
ccminer.cpp pools.cpp util.cpp bench.cpp bignum.cpp \
api.cpp hashlog.cpp nvml.cpp stats.cpp sysinfos.cpp cuda.cpp \
- nvsettings.cpp \
+ nvsettings.cpp sph/sha2.c \
sph/streebog.c gost/gost.cu gost/cuda_gosthash.cu
diff --git a/ccminer.vcxproj b/ccminer.vcxproj
index a7ea0a1..c0a5aae 100644
--- a/ccminer.vcxproj
+++ b/ccminer.vcxproj
@@ -39,7 +39,7 @@
-
+
@@ -158,6 +158,7 @@
+
compute_30,sm_30;compute_35,sm_35;compute_50,sm_50;compute_52,sm_52;compute_61,sm_61
--ptxas-options="-O2" --Wno-deprecated-gpu-targets %(AdditionalOptions)
O3
@@ -205,6 +206,7 @@
+
compute_30,sm_30;compute_35,sm_35;compute_50,sm_50;compute_52,sm_52;compute_61,sm_61
$(NVTOOLSEXT_PATH)\include
O3
@@ -249,6 +251,7 @@
+
@@ -300,7 +303,7 @@
-
+
diff --git a/ccminer.vcxproj.filters b/ccminer.vcxproj.filters
index 6b81bd9..ccd890e 100644
--- a/ccminer.vcxproj.filters
+++ b/ccminer.vcxproj.filters
@@ -161,6 +161,9 @@
Header Files
+
+ Source Files\sph
+
Header Files\sph
diff --git a/miner.h b/miner.h
index 8c8ff62..d4f2e0b 100644
--- a/miner.h
+++ b/miner.h
@@ -264,6 +264,7 @@ json_t * json_load_url(char* cfg_url, json_error_t *err);
#define USER_AGENT PACKAGE_NAME "/" PACKAGE_VERSION
+void sha256d(unsigned char *hash, const unsigned char *data, int len);
void gostd(void *output, const void *input, size_t len);
#define HAVE_SHA256_4WAY 0
diff --git a/sph/sha2.c b/sph/sha2.c
new file mode 100644
index 0000000..354fcaa
--- /dev/null
+++ b/sph/sha2.c
@@ -0,0 +1,634 @@
+/*
+ * Copyright 2011 ArtForz
+ * Copyright 2011-2013 pooler
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version. See COPYING for more details.
+ */
+
+#include "miner.h"
+
+#include
+#include
+
+#if defined(__arm__) && defined(__APCS_32__)
+#define EXTERN_SHA256
+#endif
+
+static const uint32_t sha256_h[8] = {
+ 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a,
+ 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19
+};
+
+static const uint32_t sha256_k[64] = {
+ 0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
+ 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
+ 0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
+ 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
+ 0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
+ 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
+ 0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
+ 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
+ 0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
+ 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
+ 0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
+ 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
+ 0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
+ 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
+ 0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
+ 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
+};
+
+void sha256_init(uint32_t *state)
+{
+ memcpy(state, sha256_h, 32);
+}
+
+/* Elementary functions used by SHA256 */
+#define Ch(x, y, z) ((x & (y ^ z)) ^ z)
+#define Maj(x, y, z) ((x & (y | z)) | (y & z))
+#define ROTR(x, n) ((x >> n) | (x << (32 - n)))
+#define S0(x) (ROTR(x, 2) ^ ROTR(x, 13) ^ ROTR(x, 22))
+#define S1(x) (ROTR(x, 6) ^ ROTR(x, 11) ^ ROTR(x, 25))
+#define s0(x) (ROTR(x, 7) ^ ROTR(x, 18) ^ (x >> 3))
+#define s1(x) (ROTR(x, 17) ^ ROTR(x, 19) ^ (x >> 10))
+
+/* SHA256 round function */
+#define RND(a, b, c, d, e, f, g, h, k) \
+ do { \
+ t0 = h + S1(e) + Ch(e, f, g) + k; \
+ t1 = S0(a) + Maj(a, b, c); \
+ d += t0; \
+ h = t0 + t1; \
+ } while (0)
+
+/* Adjusted round function for rotating state */
+#define RNDr(S, W, i) \
+ RND(S[(64 - i) % 8], S[(65 - i) % 8], \
+ S[(66 - i) % 8], S[(67 - i) % 8], \
+ S[(68 - i) % 8], S[(69 - i) % 8], \
+ S[(70 - i) % 8], S[(71 - i) % 8], \
+ W[i] + sha256_k[i])
+
+#ifndef EXTERN_SHA256
+
+/*
+ * SHA256 block compression function. The 256-bit state is transformed via
+ * the 512-bit input block to produce a new state.
+ */
+void sha256_transform(uint32_t *state, const uint32_t *block, int swap)
+{
+ uint32_t W[64];
+ uint32_t S[8];
+ uint32_t t0, t1;
+ int i;
+
+ /* 1. Prepare message schedule W. */
+ if (swap) {
+ for (i = 0; i < 16; i++)
+ W[i] = swab32(block[i]);
+ } else
+ memcpy(W, block, 64);
+ for (i = 16; i < 64; i += 2) {
+ W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
+ W[i+1] = s1(W[i - 1]) + W[i - 6] + s0(W[i - 14]) + W[i - 15];
+ }
+
+ /* 2. Initialize working variables. */
+ memcpy(S, state, 32);
+
+ /* 3. Mix. */
+ RNDr(S, W, 0);
+ RNDr(S, W, 1);
+ RNDr(S, W, 2);
+ RNDr(S, W, 3);
+ RNDr(S, W, 4);
+ RNDr(S, W, 5);
+ RNDr(S, W, 6);
+ RNDr(S, W, 7);
+ RNDr(S, W, 8);
+ RNDr(S, W, 9);
+ RNDr(S, W, 10);
+ RNDr(S, W, 11);
+ RNDr(S, W, 12);
+ RNDr(S, W, 13);
+ RNDr(S, W, 14);
+ RNDr(S, W, 15);
+ RNDr(S, W, 16);
+ RNDr(S, W, 17);
+ RNDr(S, W, 18);
+ RNDr(S, W, 19);
+ RNDr(S, W, 20);
+ RNDr(S, W, 21);
+ RNDr(S, W, 22);
+ RNDr(S, W, 23);
+ RNDr(S, W, 24);
+ RNDr(S, W, 25);
+ RNDr(S, W, 26);
+ RNDr(S, W, 27);
+ RNDr(S, W, 28);
+ RNDr(S, W, 29);
+ RNDr(S, W, 30);
+ RNDr(S, W, 31);
+ RNDr(S, W, 32);
+ RNDr(S, W, 33);
+ RNDr(S, W, 34);
+ RNDr(S, W, 35);
+ RNDr(S, W, 36);
+ RNDr(S, W, 37);
+ RNDr(S, W, 38);
+ RNDr(S, W, 39);
+ RNDr(S, W, 40);
+ RNDr(S, W, 41);
+ RNDr(S, W, 42);
+ RNDr(S, W, 43);
+ RNDr(S, W, 44);
+ RNDr(S, W, 45);
+ RNDr(S, W, 46);
+ RNDr(S, W, 47);
+ RNDr(S, W, 48);
+ RNDr(S, W, 49);
+ RNDr(S, W, 50);
+ RNDr(S, W, 51);
+ RNDr(S, W, 52);
+ RNDr(S, W, 53);
+ RNDr(S, W, 54);
+ RNDr(S, W, 55);
+ RNDr(S, W, 56);
+ RNDr(S, W, 57);
+ RNDr(S, W, 58);
+ RNDr(S, W, 59);
+ RNDr(S, W, 60);
+ RNDr(S, W, 61);
+ RNDr(S, W, 62);
+ RNDr(S, W, 63);
+
+ /* 4. Mix local working variables into global state */
+ for (i = 0; i < 8; i++)
+ state[i] += S[i];
+}
+
+#endif /* EXTERN_SHA256 */
+
+
+static const uint32_t sha256d_hash1[16] = {
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x80000000, 0x00000000, 0x00000000, 0x00000000,
+ 0x00000000, 0x00000000, 0x00000000, 0x00000100
+};
+
+static void sha256d_80_swap(uint32_t *hash, const uint32_t *data)
+{
+ uint32_t S[16];
+ int i;
+
+ sha256_init(S);
+ sha256_transform(S, data, 0);
+ sha256_transform(S, data + 16, 0);
+ memcpy(S + 8, sha256d_hash1 + 8, 32);
+ sha256_init(hash);
+ sha256_transform(hash, S, 0);
+ for (i = 0; i < 8; i++)
+ hash[i] = swab32(hash[i]);
+}
+
+void sha256d(unsigned char *hash, const unsigned char *data, int len)
+{
+ uint32_t S[16], T[16];
+ int i, r;
+
+ sha256_init(S);
+ for (r = len; r > -9; r -= 64) {
+ if (r < 64)
+ memset(T, 0, 64);
+ memcpy(T, data + len - r, r > 64 ? 64 : (r < 0 ? 0 : r));
+ if (r >= 0 && r < 64)
+ ((unsigned char *)T)[r] = 0x80;
+ for (i = 0; i < 16; i++)
+ T[i] = be32dec(T + i);
+ if (r < 56)
+ T[15] = 8 * len;
+ sha256_transform(S, T, 0);
+ }
+ memcpy(S + 8, sha256d_hash1 + 8, 32);
+ sha256_init(T);
+ sha256_transform(T, S, 0);
+ for (i = 0; i < 8; i++)
+ be32enc((uint32_t *)hash + i, T[i]);
+}
+
+static inline void sha256d_preextend(uint32_t *W)
+{
+ W[16] = s1(W[14]) + W[ 9] + s0(W[ 1]) + W[ 0];
+ W[17] = s1(W[15]) + W[10] + s0(W[ 2]) + W[ 1];
+ W[18] = s1(W[16]) + W[11] + W[ 2];
+ W[19] = s1(W[17]) + W[12] + s0(W[ 4]);
+ W[20] = W[13] + s0(W[ 5]) + W[ 4];
+ W[21] = W[14] + s0(W[ 6]) + W[ 5];
+ W[22] = W[15] + s0(W[ 7]) + W[ 6];
+ W[23] = W[16] + s0(W[ 8]) + W[ 7];
+ W[24] = W[17] + s0(W[ 9]) + W[ 8];
+ W[25] = s0(W[10]) + W[ 9];
+ W[26] = s0(W[11]) + W[10];
+ W[27] = s0(W[12]) + W[11];
+ W[28] = s0(W[13]) + W[12];
+ W[29] = s0(W[14]) + W[13];
+ W[30] = s0(W[15]) + W[14];
+ W[31] = s0(W[16]) + W[15];
+}
+
+static inline void sha256d_prehash(uint32_t *S, const uint32_t *W)
+{
+ uint32_t t0, t1;
+ RNDr(S, W, 0);
+ RNDr(S, W, 1);
+ RNDr(S, W, 2);
+}
+
+#ifdef EXTERN_SHA256
+
+void sha256d_ms(uint32_t *hash, uint32_t *W,
+ const uint32_t *midstate, const uint32_t *prehash);
+
+#else
+
+static inline void sha256d_ms(uint32_t *hash, uint32_t *W,
+ const uint32_t *midstate, const uint32_t *prehash)
+{
+ uint32_t S[64];
+ uint32_t t0, t1;
+ int i;
+
+ S[18] = W[18];
+ S[19] = W[19];
+ S[20] = W[20];
+ S[22] = W[22];
+ S[23] = W[23];
+ S[24] = W[24];
+ S[30] = W[30];
+ S[31] = W[31];
+
+ W[18] += s0(W[3]);
+ W[19] += W[3];
+ W[20] += s1(W[18]);
+ W[21] = s1(W[19]);
+ W[22] += s1(W[20]);
+ W[23] += s1(W[21]);
+ W[24] += s1(W[22]);
+ W[25] = s1(W[23]) + W[18];
+ W[26] = s1(W[24]) + W[19];
+ W[27] = s1(W[25]) + W[20];
+ W[28] = s1(W[26]) + W[21];
+ W[29] = s1(W[27]) + W[22];
+ W[30] += s1(W[28]) + W[23];
+ W[31] += s1(W[29]) + W[24];
+ for (i = 32; i < 64; i += 2) {
+ W[i] = s1(W[i - 2]) + W[i - 7] + s0(W[i - 15]) + W[i - 16];
+ W[i+1] = s1(W[i - 1]) + W[i - 6] + s0(W[i - 14]) + W[i - 15];
+ }
+
+ memcpy(S, prehash, 32);
+
+ RNDr(S, W, 3);
+ RNDr(S, W, 4);
+ RNDr(S, W, 5);
+ RNDr(S, W, 6);
+ RNDr(S, W, 7);
+ RNDr(S, W, 8);
+ RNDr(S, W, 9);
+ RNDr(S, W, 10);
+ RNDr(S, W, 11);
+ RNDr(S, W, 12);
+ RNDr(S, W, 13);
+ RNDr(S, W, 14);
+ RNDr(S, W, 15);
+ RNDr(S, W, 16);
+ RNDr(S, W, 17);
+ RNDr(S, W, 18);
+ RNDr(S, W, 19);
+ RNDr(S, W, 20);
+ RNDr(S, W, 21);
+ RNDr(S, W, 22);
+ RNDr(S, W, 23);
+ RNDr(S, W, 24);
+ RNDr(S, W, 25);
+ RNDr(S, W, 26);
+ RNDr(S, W, 27);
+ RNDr(S, W, 28);
+ RNDr(S, W, 29);
+ RNDr(S, W, 30);
+ RNDr(S, W, 31);
+ RNDr(S, W, 32);
+ RNDr(S, W, 33);
+ RNDr(S, W, 34);
+ RNDr(S, W, 35);
+ RNDr(S, W, 36);
+ RNDr(S, W, 37);
+ RNDr(S, W, 38);
+ RNDr(S, W, 39);
+ RNDr(S, W, 40);
+ RNDr(S, W, 41);
+ RNDr(S, W, 42);
+ RNDr(S, W, 43);
+ RNDr(S, W, 44);
+ RNDr(S, W, 45);
+ RNDr(S, W, 46);
+ RNDr(S, W, 47);
+ RNDr(S, W, 48);
+ RNDr(S, W, 49);
+ RNDr(S, W, 50);
+ RNDr(S, W, 51);
+ RNDr(S, W, 52);
+ RNDr(S, W, 53);
+ RNDr(S, W, 54);
+ RNDr(S, W, 55);
+ RNDr(S, W, 56);
+ RNDr(S, W, 57);
+ RNDr(S, W, 58);
+ RNDr(S, W, 59);
+ RNDr(S, W, 60);
+ RNDr(S, W, 61);
+ RNDr(S, W, 62);
+ RNDr(S, W, 63);
+
+ for (i = 0; i < 8; i++)
+ S[i] += midstate[i];
+
+ W[18] = S[18];
+ W[19] = S[19];
+ W[20] = S[20];
+ W[22] = S[22];
+ W[23] = S[23];
+ W[24] = S[24];
+ W[30] = S[30];
+ W[31] = S[31];
+
+ memcpy(S + 8, sha256d_hash1 + 8, 32);
+ S[16] = s1(sha256d_hash1[14]) + sha256d_hash1[ 9] + s0(S[ 1]) + S[ 0];
+ S[17] = s1(sha256d_hash1[15]) + sha256d_hash1[10] + s0(S[ 2]) + S[ 1];
+ S[18] = s1(S[16]) + sha256d_hash1[11] + s0(S[ 3]) + S[ 2];
+ S[19] = s1(S[17]) + sha256d_hash1[12] + s0(S[ 4]) + S[ 3];
+ S[20] = s1(S[18]) + sha256d_hash1[13] + s0(S[ 5]) + S[ 4];
+ S[21] = s1(S[19]) + sha256d_hash1[14] + s0(S[ 6]) + S[ 5];
+ S[22] = s1(S[20]) + sha256d_hash1[15] + s0(S[ 7]) + S[ 6];
+ S[23] = s1(S[21]) + S[16] + s0(sha256d_hash1[ 8]) + S[ 7];
+ S[24] = s1(S[22]) + S[17] + s0(sha256d_hash1[ 9]) + sha256d_hash1[ 8];
+ S[25] = s1(S[23]) + S[18] + s0(sha256d_hash1[10]) + sha256d_hash1[ 9];
+ S[26] = s1(S[24]) + S[19] + s0(sha256d_hash1[11]) + sha256d_hash1[10];
+ S[27] = s1(S[25]) + S[20] + s0(sha256d_hash1[12]) + sha256d_hash1[11];
+ S[28] = s1(S[26]) + S[21] + s0(sha256d_hash1[13]) + sha256d_hash1[12];
+ S[29] = s1(S[27]) + S[22] + s0(sha256d_hash1[14]) + sha256d_hash1[13];
+ S[30] = s1(S[28]) + S[23] + s0(sha256d_hash1[15]) + sha256d_hash1[14];
+ S[31] = s1(S[29]) + S[24] + s0(S[16]) + sha256d_hash1[15];
+ for (i = 32; i < 60; i += 2) {
+ S[i] = s1(S[i - 2]) + S[i - 7] + s0(S[i - 15]) + S[i - 16];
+ S[i+1] = s1(S[i - 1]) + S[i - 6] + s0(S[i - 14]) + S[i - 15];
+ }
+ S[60] = s1(S[58]) + S[53] + s0(S[45]) + S[44];
+
+ sha256_init(hash);
+
+ RNDr(hash, S, 0);
+ RNDr(hash, S, 1);
+ RNDr(hash, S, 2);
+ RNDr(hash, S, 3);
+ RNDr(hash, S, 4);
+ RNDr(hash, S, 5);
+ RNDr(hash, S, 6);
+ RNDr(hash, S, 7);
+ RNDr(hash, S, 8);
+ RNDr(hash, S, 9);
+ RNDr(hash, S, 10);
+ RNDr(hash, S, 11);
+ RNDr(hash, S, 12);
+ RNDr(hash, S, 13);
+ RNDr(hash, S, 14);
+ RNDr(hash, S, 15);
+ RNDr(hash, S, 16);
+ RNDr(hash, S, 17);
+ RNDr(hash, S, 18);
+ RNDr(hash, S, 19);
+ RNDr(hash, S, 20);
+ RNDr(hash, S, 21);
+ RNDr(hash, S, 22);
+ RNDr(hash, S, 23);
+ RNDr(hash, S, 24);
+ RNDr(hash, S, 25);
+ RNDr(hash, S, 26);
+ RNDr(hash, S, 27);
+ RNDr(hash, S, 28);
+ RNDr(hash, S, 29);
+ RNDr(hash, S, 30);
+ RNDr(hash, S, 31);
+ RNDr(hash, S, 32);
+ RNDr(hash, S, 33);
+ RNDr(hash, S, 34);
+ RNDr(hash, S, 35);
+ RNDr(hash, S, 36);
+ RNDr(hash, S, 37);
+ RNDr(hash, S, 38);
+ RNDr(hash, S, 39);
+ RNDr(hash, S, 40);
+ RNDr(hash, S, 41);
+ RNDr(hash, S, 42);
+ RNDr(hash, S, 43);
+ RNDr(hash, S, 44);
+ RNDr(hash, S, 45);
+ RNDr(hash, S, 46);
+ RNDr(hash, S, 47);
+ RNDr(hash, S, 48);
+ RNDr(hash, S, 49);
+ RNDr(hash, S, 50);
+ RNDr(hash, S, 51);
+ RNDr(hash, S, 52);
+ RNDr(hash, S, 53);
+ RNDr(hash, S, 54);
+ RNDr(hash, S, 55);
+ RNDr(hash, S, 56);
+
+ hash[2] += hash[6] + S1(hash[3]) + Ch(hash[3], hash[4], hash[5])
+ + S[57] + sha256_k[57];
+ hash[1] += hash[5] + S1(hash[2]) + Ch(hash[2], hash[3], hash[4])
+ + S[58] + sha256_k[58];
+ hash[0] += hash[4] + S1(hash[1]) + Ch(hash[1], hash[2], hash[3])
+ + S[59] + sha256_k[59];
+ hash[7] += hash[3] + S1(hash[0]) + Ch(hash[0], hash[1], hash[2])
+ + S[60] + sha256_k[60]
+ + sha256_h[7];
+}
+
+#endif /* EXTERN_SHA256 */
+
+#if HAVE_SHA256_4WAY
+
+void sha256d_ms_4way(uint32_t *hash, uint32_t *data,
+ const uint32_t *midstate, const uint32_t *prehash);
+
+static inline int scanhash_sha256d_4way(int thr_id, uint32_t *pdata,
+ const uint32_t *ptarget uint32_t max_nonce, unsigned long *hashes_done)
+{
+ uint32_t data[4 * 64] __attribute__((aligned(128)));
+ uint32_t hash[4 * 8] __attribute__((aligned(32)));
+ uint32_t midstate[4 * 8] __attribute__((aligned(32)));
+ uint32_t prehash[4 * 8] __attribute__((aligned(32)));
+ uint32_t n = pdata[19] - 1;
+ const uint32_t first_nonce = pdata[19];
+ const uint32_t Htarg = ptarget[7];
+ int i, j;
+
+ memcpy(data, pdata + 16, 64);
+ sha256d_preextend(data);
+ for (i = 31; i >= 0; i--)
+ for (j = 0; j < 4; j++)
+ data[i * 4 + j] = data[i];
+
+ sha256_init(midstate);
+ sha256_transform(midstate, pdata, 0);
+ memcpy(prehash, midstate, 32);
+ sha256d_prehash(prehash, pdata + 16);
+ for (i = 7; i >= 0; i--) {
+ for (j = 0; j < 4; j++) {
+ midstate[i * 4 + j] = midstate[i];
+ prehash[i * 4 + j] = prehash[i];
+ }
+ }
+
+ do {
+ for (i = 0; i < 4; i++)
+ data[4 * 3 + i] = ++n;
+
+ sha256d_ms_4way(hash, data, midstate, prehash);
+
+ for (i = 0; i < 4; i++) {
+ if (swab32(hash[4 * 7 + i]) <= Htarg) {
+ pdata[19] = data[4 * 3 + i];
+ sha256d_80_swap(hash, pdata);
+ if (fulltest(hash, ptarget)) {
+ work_set_target_ratio(work, hash);
+ *hashes_done = n - first_nonce + 1;
+ return 1;
+ }
+ }
+ }
+ } while (n < max_nonce && !work_restart[thr_id].restart);
+
+ *hashes_done = n - first_nonce + 1;
+ pdata[19] = n;
+ return 0;
+}
+
+#endif /* HAVE_SHA256_4WAY */
+
+#if HAVE_SHA256_8WAY
+
+void sha256d_ms_8way(uint32_t *hash, uint32_t *data,
+ const uint32_t *midstate, const uint32_t *prehash);
+
+static inline int scanhash_sha256d_8way(int thr_id, uint32_t *pdata,
+ const uint32_t *ptarget, uint32_t max_nonce, unsigned long *hashes_done)
+{
+ uint32_t data[8 * 64] __attribute__((aligned(128)));
+ uint32_t hash[8 * 8] __attribute__((aligned(32)));
+ uint32_t midstate[8 * 8] __attribute__((aligned(32)));
+ uint32_t prehash[8 * 8] __attribute__((aligned(32)));
+ uint32_t n = pdata[19] - 1;
+ const uint32_t first_nonce = pdata[19];
+ const uint32_t Htarg = ptarget[7];
+ int i, j;
+
+ memcpy(data, pdata + 16, 64);
+ sha256d_preextend(data);
+ for (i = 31; i >= 0; i--)
+ for (j = 0; j < 8; j++)
+ data[i * 8 + j] = data[i];
+
+ sha256_init(midstate);
+ sha256_transform(midstate, pdata, 0);
+ memcpy(prehash, midstate, 32);
+ sha256d_prehash(prehash, pdata + 16);
+ for (i = 7; i >= 0; i--) {
+ for (j = 0; j < 8; j++) {
+ midstate[i * 8 + j] = midstate[i];
+ prehash[i * 8 + j] = prehash[i];
+ }
+ }
+
+ do {
+ for (i = 0; i < 8; i++)
+ data[8 * 3 + i] = ++n;
+
+ sha256d_ms_8way(hash, data, midstate, prehash);
+
+ for (i = 0; i < 8; i++) {
+ if (swab32(hash[8 * 7 + i]) <= Htarg) {
+ pdata[19] = data[8 * 3 + i];
+ sha256d_80_swap(hash, pdata);
+ if (fulltest(hash, ptarget)) {
+ *hashes_done = n - first_nonce + 1;
+ return 1;
+ }
+ }
+ }
+ } while (n < max_nonce && !work_restart[thr_id].restart);
+
+ *hashes_done = n - first_nonce + 1;
+ pdata[19] = n;
+ return 0;
+}
+
+#endif /* HAVE_SHA256_8WAY */
+
+#if 0
+int scanhash_sha256d(int thr_id, struct work* work, uint32_t max_nonce, unsigned long *hashes_done)
+{
+ uint32_t _ALIGN(128) data[64];
+ uint32_t hash[8];
+ uint32_t midstate[8];
+ uint32_t prehash[8];
+ uint32_t *pdata = work->data;
+ uint32_t *ptarget = work->target;
+ uint32_t n = pdata[19] - 1;
+ const uint32_t first_nonce = pdata[19];
+ const uint32_t Htarg = ptarget[7];
+
+#if HAVE_SHA256_8WAY
+ if (sha256_use_8way())
+ return scanhash_sha256d_8way(thr_id, pdata, ptarget,
+ max_nonce, hashes_done);
+#endif
+#if HAVE_SHA256_4WAY
+ if (sha256_use_4way())
+ return scanhash_sha256d_4way(thr_id, pdata, ptarget,
+ max_nonce, hashes_done);
+#endif
+
+ memcpy(data, pdata + 16, 64);
+ sha256d_preextend(data);
+
+ sha256_init(midstate);
+ sha256_transform(midstate, pdata, 0);
+ memcpy(prehash, midstate, 32);
+ sha256d_prehash(prehash, pdata + 16);
+
+ do {
+ data[3] = ++n;
+ sha256d_ms(hash, data, midstate, prehash);
+ if (swab32(hash[7]) <= Htarg) {
+ pdata[19] = data[3];
+ sha256d_80_swap(hash, pdata);
+ if (fulltest(hash, ptarget)) {
+ *hashes_done = n - first_nonce + 1;
+ return 1;
+ }
+ }
+ } while (n < max_nonce && !work_restart[thr_id].restart);
+
+ *hashes_done = n - first_nonce + 1;
+ pdata[19] = n;
+ return 0;
+}
+
+#endif