Initial upload v3.4.7

algo/lyra2/lyra2re.c

@@ -0,0 +1,127 @@
+#include <memory.h>
+
+#include "miner.h"
+#include "algo/blake/sph_blake.h"
+#include "algo/groestl/sph_groestl.h"
+#include "algo/skein/sph_skein.h"
+#include "algo/keccak/sph_keccak.h"
+#include "lyra2.h"
+#include "algo-gate-api.h"
+
+#ifndef NO_AES_NI
+  #include "algo/groestl/aes_ni/hash-groestl256.h"
+#endif
+
+typedef struct {
+        sph_blake256_context     blake;
+        sph_keccak256_context    keccak;
+        sph_skein256_context     skein;
+#ifdef NO_AES_NI
+        sph_groestl256_context   groestl;
+#else
+        hashState_groestl256     groestl;
+#endif
+} lyra2re_ctx_holder;
+
+lyra2re_ctx_holder lyra2re_ctx;
+
+void init_lyra2re_ctx()
+{
+        sph_blake256_init(&lyra2re_ctx.blake);
+        sph_keccak256_init(&lyra2re_ctx.keccak);
+        sph_skein256_init(&lyra2re_ctx.skein);
+#ifdef NO_AES_NI
+        sph_groestl256_init(&lyra2re_ctx.groestl);
+#else
+        init_groestl256( &lyra2re_ctx.groestl );
+#endif
+}
+
+void lyra2re_hash(void *state, const void *input)
+{
+        lyra2re_ctx_holder ctx;
+        memcpy(&ctx, &lyra2re_ctx, sizeof(lyra2re_ctx));
+
+//        uint32_t _ALIGN(128) hashA[8], hashB[8];
+	uint32_t _ALIGN(128) hash[32];
+        #define hashA hash
+        #define hashB hash+16
+
+	sph_blake256(&ctx.blake, input, 80);
+	sph_blake256_close(&ctx.blake, hashA);
+
+	sph_keccak256(&ctx.keccak, hashA, 32);
+	sph_keccak256_close(&ctx.keccak, hashB);
+
+	LYRA2(hashA, 32, hashB, 32, hashB, 32, 1, 8, 8);
+
+	sph_skein256(&ctx.skein, hashA, 32);
+	sph_skein256_close(&ctx.skein, hashB);
+
+#ifdef NO_AES_NI
+	sph_groestl256( &ctx.groestl, hashB, 32 );
+	sph_groestl256_close( &ctx.groestl, hashA );
+#else
+        update_groestl256( &ctx.groestl, hashB, 256 );
+        final_groestl256( &ctx.groestl, hashA );
+#endif
+
+	memcpy(state, hashA, 32);
+}
+
+int scanhash_lyra2re(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];
+        uint32_t hash[8] __attribute__((aligned(32)));
+	const uint32_t first_nonce = pdata[19];
+	uint32_t nonce = first_nonce;
+        const uint32_t Htarg = ptarget[7];
+
+        swab32_array( endiandata, pdata, 20 );
+
+	do {
+		be32enc(&endiandata[19], nonce);
+		lyra2re_hash(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;
+}
+
+int64_t lyra2re_get_max64 ()
+{
+  return 0xffffLL;
+}
+
+void lyra2re_set_target ( struct work* work, double job_diff )
+{
+   work_set_target(work, job_diff / (128.0 * opt_diff_factor) );
+}
+
+bool register_lyra2re_algo( algo_gate_t* gate )
+{
+  init_lyra2re_ctx();
+  gate->optimizations = SSE2_OPT | AES_OPT | AVX_OPT | AVX2_OPT;
+  gate->scanhash   = (void*)&scanhash_lyra2re;
+  gate->hash       = (void*)&lyra2re_hash;
+  gate->hash_alt   = (void*)&lyra2re_hash;
+  gate->get_max64  = (void*)&lyra2re_get_max64;
+  gate->set_target = (void*)&lyra2re_set_target;
+  return true;
+};
+