Merge pull request #203 from xiangfu/openwrt

Fix a swab32 bug under work_decode on MIPS cpu machine

api-example.c

@@ -7,6 +7,10 @@
  * any later version.  See COPYING for more details.
  */
 
+/* Compile:
+ *   gcc api-example.c -I compat/jansson -o cgminer-api
+ */
+
 #include "config.h"
 
 #include <stdio.h>

cgminer.c

@@ -1182,6 +1182,11 @@ static bool work_decode(const json_t *val, struct work *work)
 		sha2_starts( &ctx, 0 );
 		sha2_update( &ctx, data.c, 64 );
 		memcpy(work->midstate, ctx.state, sizeof(work->midstate));
+#if defined(__BIG_ENDIAN__) || defined(MIPSEB)
+		int i;
+		for (i = 0; i < 8; i++)
+			(((uint32_t*) (work->midstate))[i]) = swab32(((uint32_t*) (work->midstate))[i]);
+#endif
 	}
 
 	if (likely(!jobj_binary(val, "hash1", work->hash1, sizeof(work->hash1), false))) {
@@ -1196,18 +1201,6 @@ static bool work_decode(const json_t *val, struct work *work)
 
 	memset(work->hash, 0, sizeof(work->hash));
 
-#ifdef __BIG_ENDIAN__
-        int swapcounter = 0;
-        for (swapcounter = 0; swapcounter < 32; swapcounter++)
-            (((uint32_t*) (work->data))[swapcounter]) = swab32(((uint32_t*) (work->data))[swapcounter]);
-        for (swapcounter = 0; swapcounter < 16; swapcounter++)
-            (((uint32_t*) (work->hash1))[swapcounter]) = swab32(((uint32_t*) (work->hash1))[swapcounter]);
-        for (swapcounter = 0; swapcounter < 8; swapcounter++)
-            (((uint32_t*) (work->midstate))[swapcounter]) = swab32(((uint32_t*) (work->midstate))[swapcounter]);
-        for (swapcounter = 0; swapcounter < 8; swapcounter++)
-            (((uint32_t*) (work->target))[swapcounter]) = swab32(((uint32_t*) (work->target))[swapcounter]);
-#endif
-
 	gettimeofday(&work->tv_staged, NULL);
 
 	return true;

driver-icarus.c

@@ -350,7 +350,7 @@ static uint64_t icarus_scanhash(struct thr_info *thr, struct work *work,
 		return ESTIMATE_HASHES;
 	}
 
-#ifndef __BIG_ENDIAN__
+#if !defined (__BIG_ENDIAN__) && !defined(MIPSEB)
 	nonce = swab32(nonce);
 #endif