Initial upload v3.4.7

algo/lyra2/lyra2rev2.c

@@ -0,0 +1,121 @@
+#include <memory.h>
+
+#include "miner.h"
+#include "algo-gate-api.h"
+
+#include "algo/blake/sph_blake.h"
+#include "algo/cubehash/sph_cubehash.h"
+#include "algo/keccak/sph_keccak.h"
+#include "algo/skein/sph_skein.h"
+#include "algo/bmw/sph_bmw.h"
+
+#include "algo/cubehash/sse2/cubehash_sse2.h" 
+
+#include "lyra2.h"
+
+typedef struct {
+        cubehashParam           cube1;
+        cubehashParam           cube2;
+        sph_blake256_context     blake;
+        sph_keccak256_context    keccak;
+        sph_skein256_context     skein;
+        sph_bmw256_context       bmw;
+
+} lyra2v2_ctx_holder;
+
+lyra2v2_ctx_holder lyra2v2_ctx;
+
+void init_lyra2rev2_ctx()
+{
+        cubehashInit( &lyra2v2_ctx.cube1, 256, 16, 32 );
+        cubehashInit( &lyra2v2_ctx.cube2, 256, 16, 32 );
+        sph_blake256_init( &lyra2v2_ctx.blake );
+        sph_keccak256_init( &lyra2v2_ctx.keccak );
+        sph_skein256_init( &lyra2v2_ctx.skein );
+        sph_bmw256_init( &lyra2v2_ctx.bmw );
+}
+
+void lyra2rev2_hash( void *state, const void *input )
+{
+        lyra2v2_ctx_holder ctx;
+        memcpy( &ctx, &lyra2v2_ctx, sizeof(lyra2v2_ctx) );
+
+	uint32_t _ALIGN(128) hashA[8], hashB[8];
+
+	sph_blake256( &ctx.blake, input, 80 );
+	sph_blake256_close( &ctx.blake, hashA );
+
+	sph_keccak256( &ctx.keccak, hashA, 32 );
+	sph_keccak256_close(&ctx.keccak, hashB);
+
+        cubehashUpdate( &ctx.cube1, (const byte*) hashB,32 );
+        cubehashDigest( &ctx.cube1, (byte*)hashA );
+
+	LYRA2( hashA, 32, hashA, 32, hashA, 32, 1, 4, 4 );
+
+	sph_skein256( &ctx.skein, hashA, 32 );
+	sph_skein256_close( &ctx.skein, hashB );
+
+        cubehashUpdate( &ctx.cube2, (const byte*) hashB,32 );
+        cubehashDigest( &ctx.cube2, (byte*)hashA );
+
+	sph_bmw256( &ctx.bmw, hashA, 32 );
+	sph_bmw256_close( &ctx.bmw, hashB );
+
+	memcpy( state, hashB, 32 );
+}
+
+int scanhash_lyra2rev2(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];
+
+	if (opt_benchmark)
+		((uint32_t*)ptarget)[7] = 0x0000ff;
+
+        swab32_array( endiandata, pdata, 20 );
+
+	do {
+		be32enc(&endiandata[19], nonce);
+		lyra2rev2_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;
+}
+
+void lyra2rev2_set_target( struct work* work, double job_diff )
+{
+ work_set_target( work, job_diff / (256.0 * opt_diff_factor) );
+}
+
+bool register_lyra2rev2_algo( algo_gate_t* gate )
+{
+  init_lyra2rev2_ctx();
+  gate->optimizations = SSE2_OPT | AES_OPT | AVX_OPT | AVX2_OPT;
+  gate->scanhash   = (void*)&scanhash_lyra2rev2;
+  gate->hash       = (void*)&lyra2rev2_hash;
+  gate->hash_alt   = (void*)&lyra2rev2_hash;
+  gate->set_target = (void*)&lyra2rev2_set_target;
+  return true;
+};
+