add --hamsi-expand-big option for setting EXPAND_BIG in X13 kernels

kernel/marucoin-mod.cl

@@ -75,7 +75,9 @@ typedef long sph_s64;
 #define SPH_GROESTL_BIG_ENDIAN 0
 #define SPH_CUBEHASH_UNROLL 0
 #define SPH_KECCAK_UNROLL   0
+#if !defined SPH_HAMSI_EXPAND_BIG
 #define SPH_HAMSI_EXPAND_BIG 4
+#endif
 
 #include "blake.cl"
 #include "bmw.cl"

kernel/marucoin-modold.cl

@@ -75,7 +75,9 @@ typedef long sph_s64;
 #define SPH_GROESTL_BIG_ENDIAN 0
 #define SPH_CUBEHASH_UNROLL 0
 #define SPH_KECCAK_UNROLL   0
+#if !defined SPH_HAMSI_EXPAND_BIG
 #define SPH_HAMSI_EXPAND_BIG 4
+#endif
 
 #include "blake.cl"
 #include "bmw.cl"

kernel/marucoin.cl

@@ -74,7 +74,9 @@ typedef long sph_s64;
 #define SPH_GROESTL_BIG_ENDIAN 0
 #define SPH_CUBEHASH_UNROLL 0
 #define SPH_KECCAK_UNROLL   0
-#define SPH_HAMSI_EXPAND_BIG 1
+#if !defined SPH_HAMSI_EXPAND_BIG
+#define SPH_HAMSI_EXPAND_BIG 4
+#endif
 
 #include "blake.cl"
 #include "bmw.cl"

miner.h

@@ -956,6 +956,7 @@ extern bool opt_worktime;
 extern int swork_id;
 extern int opt_tcp_keepalive;
 extern bool opt_incognito;
+extern int opt_hamsi_expand_big;
 
 #if LOCK_TRACKING
 extern pthread_mutex_t lockstat_lock;

ocl.c

@@ -396,7 +396,8 @@ _clState *initCl(unsigned int gpu, char *name, size_t nameSize, algorithm_t *alg
 	  build_data->patch_bfi = needs_bfi_patch(build_data);
 
 	  set_base_compiler_options(build_data);
-	  append_scrypt_compiler_options(build_data, cgpu->lookup_gap, cgpu->thread_concurrency, algorithm->nfactor);
+    append_scrypt_compiler_options(build_data, cgpu->lookup_gap, cgpu->thread_concurrency, algorithm->nfactor);
+    append_hamsi_compiler_options(build_data, opt_hamsi_expand_big);
 
 		if (!(clState->program = build_opencl_kernel(build_data, filename)))
 			return NULL;

ocl/build_kernel.c

@@ -107,6 +107,16 @@ void append_scrypt_compiler_options(build_kernel_data *data, int lookup_gap, uns
   strcat(data->compiler_options, buf);
 }
 
+// TODO: move away, specific
+void append_hamsi_compiler_options(build_kernel_data *data, int expand_big)
+{
+  char buf[255];
+  sprintf(buf, " -D SPH_HAMSI_EXPAND_BIG=%d",
+      expand_big);
+
+  strcat(data->compiler_options, buf);
+}
+
 cl_program build_opencl_kernel(build_kernel_data *data, const char *filename)
 {
   int pl;

ocl/build_kernel.h

@@ -27,5 +27,6 @@ cl_program build_opencl_kernel(build_kernel_data *data, const char *filename);
 bool save_opencl_kernel(build_kernel_data *data, cl_program program);
 void set_base_compiler_options(build_kernel_data *data);
 void append_scrypt_compiler_options(build_kernel_data *data, int lookup_gap, unsigned int thread_concurrency, unsigned int nfactor);
+void append_hamsi_compiler_options(build_kernel_data *data, int expand_big);
 
 #endif /* BUILD_KERNEL_H */

sgminer.c

@@ -108,6 +108,7 @@ time_t last_getwork;
 int nDevs;
 int opt_dynamic_interval = 7;
 int opt_g_threads = -1;
+int opt_hamsi_expand_big = 4;
 bool opt_restart = true;
 
 struct list_head scan_devices;
@@ -1343,6 +1344,9 @@ static struct opt_table opt_config_table[] = {
   OPT_WITH_ARG("--lookup-gap",
       set_lookup_gap, NULL, NULL,
       "Set GPU lookup gap for scrypt mining, comma separated"),
+  OPT_WITH_ARG("--hamsi-expand-big",
+      set_int_1_to_10, opt_show_intval, &opt_hamsi_expand_big,
+      "Set SPH_HAMSI_EXPAND_BIG for X13 algorithms (1 or 4 are common)"),
 #ifdef HAVE_CURSES
   OPT_WITHOUT_ARG("--incognito",
       opt_set_bool, &opt_incognito,