Initial upload v3.4.7

algo/groestl/groestl.c

@@ -0,0 +1,117 @@
+#include "miner.h"
+#include "algo-gate-api.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include <string.h>
+
+#include "sph_groestl.h"
+
+// local override
+#define NO_AES_NI
+
+#ifndef NO_AES_NI
+  #include "algo/groestl/aes_ni/hash-groestl.h"
+#endif
+
+typedef struct
+{
+#ifndef NO_AES_NI
+    hashState_groestl groestl1, groestl2;
+#else
+    sph_groestl512_context groestl;
+#endif
+
+} groestl_ctx_holder;
+
+static groestl_ctx_holder groestl_ctx;
+
+void init_groestl_ctx()
+{
+#ifndef NO_AES_NI
+    init_groestl( &groestl_ctx.groestl1 );
+    init_groestl( &groestl_ctx.groestl2 );
+#else
+    sph_groestl512_init( &groestl_ctx.groestl );
+#endif
+}
+
+void groestlhash(void *output, const void *input)
+{
+     uint32_t _ALIGN(32) hash[16];
+     groestl_ctx_holder ctx;
+     memcpy( &ctx, &groestl_ctx, sizeof(groestl_ctx) );
+
+//     memset(&hash[0], 0, sizeof(hash));
+
+#ifndef NO_AES_NI
+     update_groestl( &ctx.groestl1, (char*)input, 80 );
+     final_groestl( &ctx.groestl1,(char*)hash);
+
+     update_groestl( &ctx.groestl2, (char*)hash, 64 );
+     final_groestl( &ctx.groestl2, (char*)hash);
+#else
+     sph_groestl512(&ctx.groestl, input, 80);
+     sph_groestl512_close(&ctx.groestl, hash);
+
+     sph_groestl512(&ctx.groestl, hash, 64);
+     sph_groestl512_close(&ctx.groestl, hash);
+#endif
+	memcpy(output, hash, 32);
+ }
+
+int scanhash_groestl(int thr_id, struct work *work,
+	uint32_t max_nonce, uint64_t *hashes_done)
+{
+        uint32_t *pdata = work->data;
+        uint32_t *ptarget = work->target;
+        uint32_t _ALIGN(64) endiandata[20];
+	const uint32_t first_nonce = pdata[19];
+	uint32_t nonce = first_nonce;
+
+	if (opt_benchmark)
+		((uint32_t*)ptarget)[7] = 0x0000ff;
+
+        swab32_array( endiandata, pdata, 20 );
+
+	do {
+		const uint32_t Htarg = ptarget[7];
+		uint32_t hash[8];
+		be32enc(&endiandata[19], nonce);
+		groestlhash(hash, endiandata);
+
+		if (hash[7] <= Htarg )
+                   if ( fulltest(hash, ptarget))
+                   {
+			pdata[19] = nonce;
+			*hashes_done = pdata[19] - first_nonce;
+			return 1;
+	           }
+         
+		nonce++;
+
+	} while (nonce < max_nonce && !work_restart[thr_id].restart);
+
+	pdata[19] = nonce;
+	*hashes_done = pdata[19] - first_nonce + 1;
+	return 0;
+}
+
+void groestl_set_target( struct work* work, double job_diff )
+{
+ work_set_target( work, job_diff / (256.0 * opt_diff_factor) );
+}
+
+bool register_groestl_algo( algo_gate_t* gate )
+{
+    init_groestl_ctx();
+    gate->scanhash        = (void*)&scanhash_groestl;
+    gate->hash            = (void*)&groestlhash;
+    gate->hash_alt        = (void*)&groestlhash;
+    gate->set_target      = (void*)&groestl_set_target;
+    gate->gen_merkle_root = (void*)&SHA256_gen_merkle_root;
+    gate->get_max64       = (void*)&get_max64_0x3ffff;
+    return true;
+};
+