v3.11.7

algo/yespower/yescrypt-r8g.c

@@ -0,0 +1,80 @@
+/*-
+ * Copyright 2013-2018 Alexander Peslyak
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "cpuminer-config.h"
+#include "miner.h"
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include "yescrypt-r8g.h"
+
+int scanhash_yespower_r8g( struct work *work, uint32_t max_nonce,
+                       uint64_t *hashes_done, struct thr_info *mythr )
+{
+    uint64_t hash[4] __attribute__((aligned(64)));
+    uint32_t endiandata[32];
+    uint32_t *pdata = work->data;
+    const uint64_t *ptarget = (const uint64_t*)work->target;
+    uint32_t n = pdata[19];
+    const uint32_t first_nonce = pdata[19];
+    const uint32_t last_nonce = max_nonce;
+    const int thr_id = mythr->id;
+
+    yespower_params_t params =
+    {
+		.version = YESPOWER_0_5,
+		.N = 2048,
+		.r = 8,
+		.pers = (const uint8_t *)endiandata,
+		.perslen = work->sapling ? 112 : 80,
+    };
+
+    //we need bigendian data...
+    for ( int i = 0 ; i < 32; i++ )
+       be32enc( &endiandata[ i], pdata[ i ]);
+    endiandata[19] = n;
+
+    do {
+       yespower_tls( (unsigned char *)endiandata, params.perslen,
+                      &params, (yespower_binary_t*)hash );
+      
+       if unlikely( valid_hash( hash, ptarget ) && !opt_benchmark )
+       {
+           be32enc( pdata+19, n );
+           submit_solution( work, hash, mythr );
+       }
+       endiandata[19] = ++n;
+    } while (n < last_nonce && !work_restart[thr_id].restart);
+
+    *hashes_done = n - first_nonce + 1;
+    pdata[19] = n;
+    return 0;
+}
+
+bool register_yescryptr8g_algo( algo_gate_t* gate )
+{
+  gate->optimizations = SSE2_OPT | SHA_OPT;
+  gate->scanhash      = (void*)&scanhash_yespower_r8g;
+  gate->hash          = (void*)&yespower_tls;
+  opt_target_factor = 65536.0;
+  return true;
+ };
+
+