Pass max-nonce as arg to each sha256 algo.

Should be an equivalent transformation, with no behavior changes.

cpu-miner.c

@@ -301,7 +301,8 @@ static void *miner_thread(void *thr_id_int)
 		switch (opt_algo) {
 		case ALGO_C:
 			rc = scanhash_c(work.midstate, work.data + 64,
-				        work.hash1, work.hash, &hashes_done);
+				        work.hash1, work.hash,
+					0xffffff, &hashes_done);
 			break;
 
 #ifdef WANT_SSE2_4WAY
@@ -309,7 +310,7 @@ static void *miner_thread(void *thr_id_int)
 			unsigned int rc4 =
 				ScanHash_4WaySSE2(work.midstate, work.data + 64,
 						  work.hash1, work.hash,
-						  &hashes_done);
+						  0xffffff, &hashes_done);
 			rc = (rc4 == -1) ? false : true;
 			}
 			break;
@@ -317,18 +318,20 @@ static void *miner_thread(void *thr_id_int)
 
 #ifdef WANT_VIA_PADLOCK
 		case ALGO_VIA:
-			rc = scanhash_via(work.data, &hashes_done);
+			rc = scanhash_via(work.data, 0xffffff, &hashes_done);
 			break;
 #endif
 		case ALGO_CRYPTOPP:
 			rc = scanhash_cryptopp(work.midstate, work.data + 64,
-				        work.hash1, work.hash, &hashes_done);
+				        work.hash1, work.hash,
+					0xffffff, &hashes_done);
 			break;
 
 #ifdef WANT_CRYPTOPP_ASM32
 		case ALGO_CRYPTOPP_ASM32:
 			rc = scanhash_asm32(work.midstate, work.data + 64,
-				        work.hash1, work.hash, &hashes_done);
+				        work.hash1, work.hash,
+					0xffffff, &hashes_done);
 			break;
 #endif
 

miner.h

@@ -37,19 +37,20 @@ extern bool hex2bin(unsigned char *p, const char *hexstr, size_t len);
 
 extern unsigned int ScanHash_4WaySSE2(const unsigned char *pmidstate,
 	unsigned char *pdata, unsigned char *phash1, unsigned char *phash,
-	unsigned long *nHashesDone);
+	uint32_t max_nonce, unsigned long *nHashesDone);
 
-extern bool scanhash_via(unsigned char *data_inout, unsigned long *hashes_done);
+extern bool scanhash_via(unsigned char *data_inout,
+	uint32_t max_nonce, unsigned long *hashes_done);
 
 extern bool scanhash_c(const unsigned char *midstate, unsigned char *data,
 	      unsigned char *hash1, unsigned char *hash,
-	      unsigned long *hashes_done);
+	      uint32_t max_nonce, unsigned long *hashes_done);
 extern bool scanhash_cryptopp(const unsigned char *midstate,unsigned char *data,
 	      unsigned char *hash1, unsigned char *hash,
-	      unsigned long *hashes_done);
+	      uint32_t max_nonce, unsigned long *hashes_done);
 extern bool scanhash_asm32(const unsigned char *midstate,unsigned char *data,
 	      unsigned char *hash1, unsigned char *hash,
-	      unsigned long *hashes_done);
+	      uint32_t max_nonce, unsigned long *hashes_done);
 
 extern int
 timeval_subtract (struct timeval *result, struct timeval *x, struct timeval *y);

sha256_4way.c

@@ -99,7 +99,8 @@ static const unsigned int pSHA256InitState[8] =
 
 
 unsigned int ScanHash_4WaySSE2(const unsigned char *pmidstate, unsigned char *pdata,
-	unsigned char *phash1, unsigned char *phash, unsigned long *nHashesDone)
+	unsigned char *phash1, unsigned char *phash,
+	uint32_t max_nonce, unsigned long *nHashesDone)
 {
     unsigned int *nNonce_p = (unsigned int*)(pdata + 12);
     unsigned int nonce = 0;
@@ -128,9 +129,9 @@ unsigned int ScanHash_4WaySSE2(const unsigned char *pmidstate, unsigned char *pd
             }
         }
 
-        if ((nonce & 0xffffff) == 0)
+        if (nonce >= max_nonce)
         {
-            *nHashesDone = 0xffffff+1;
+            *nHashesDone = nonce;
             return -1;
         }
     }

sha256_cryptopp.c

@@ -93,7 +93,7 @@ static void runhash(void *state, const void *input, const void *init)
 /* suspiciously similar to ScanHash* from bitcoin */
 bool scanhash_cryptopp(const unsigned char *midstate, unsigned char *data,
 	        unsigned char *hash1, unsigned char *hash,
-	        unsigned long *hashes_done)
+	        uint32_t max_nonce, unsigned long *hashes_done)
 {
 	uint32_t *hash32 = (uint32_t *) hash;
 	uint32_t *nonce = (uint32_t *)(data + 12);
@@ -122,7 +122,7 @@ bool scanhash_cryptopp(const unsigned char *midstate, unsigned char *data,
 			return true;
 		}
 
-		if ((n & 0xffffff) == 0) {
+		if (n >= max_nonce) {
 			if (opt_debug)
 				fprintf(stderr, "DBG: end of nonce range\n");
 			*hashes_done = stat_ctr;
@@ -584,7 +584,7 @@ static void runhash32(void *state, const void *input, const void *init)
 /* suspiciously similar to ScanHash* from bitcoin */
 bool scanhash_asm32(const unsigned char *midstate, unsigned char *data,
 	        unsigned char *hash1, unsigned char *hash,
-	        unsigned long *hashes_done)
+	        uint32_t max_nonce, unsigned long *hashes_done)
 {
 	uint32_t *hash32 = (uint32_t *) hash;
 	uint32_t *nonce = (uint32_t *)(data + 12);
@@ -613,7 +613,7 @@ bool scanhash_asm32(const unsigned char *midstate, unsigned char *data,
 			return true;
 		}
 
-		if ((n & 0xffffff) == 0) {
+		if (n >= max_nonce) {
 			if (opt_debug)
 				fprintf(stderr, "DBG: end of nonce range\n");
 			*hashes_done = stat_ctr;

sha256_generic.c

@@ -239,7 +239,7 @@ const uint32_t sha256_init_state[8] = {
 /* suspiciously similar to ScanHash* from bitcoin */
 bool scanhash_c(const unsigned char *midstate, unsigned char *data,
 	        unsigned char *hash1, unsigned char *hash,
-	        unsigned long *hashes_done)
+	        uint32_t max_nonce, unsigned long *hashes_done)
 {
 	uint32_t *hash32 = (uint32_t *) hash;
 	uint32_t *nonce = (uint32_t *)(data + 12);
@@ -268,7 +268,7 @@ bool scanhash_c(const unsigned char *midstate, unsigned char *data,
 			return true;
 		}
 
-		if ((n & 0xffffff) == 0) {
+		if (n >= max_nonce) {
 			if (opt_debug)
 				fprintf(stderr, "DBG: end of nonce range\n");
 			*hashes_done = stat_ctr;

sha256_via.c

@@ -17,7 +17,8 @@ static void via_sha256(void *hash, void *buf, unsigned len)
 		     :"memory");
 }
 
-bool scanhash_via(unsigned char *data_inout, unsigned long *hashes_done)
+bool scanhash_via(unsigned char *data_inout,
+		  uint32_t max_nonce, unsigned long *hashes_done)
 {
 	unsigned char data[128] __attribute__((aligned(128)));
 	unsigned char tmp_hash[32] __attribute__((aligned(128)));
@@ -76,7 +77,7 @@ bool scanhash_via(unsigned char *data_inout, unsigned long *hashes_done)
 			return true;
 		}
 
-		if ((n & 0xffffff) == 0) {
+		if (n >= max_nonce) {
 			if (opt_debug)
 				fprintf(stderr, "DBG: end of nonce range\n");
 			*hashes_done = stat_ctr;