fixed simX multicore support, added shared memory

hw/modelsim/vortex_dpi.cpp

@@ -54,7 +54,7 @@ void load_file(char * filename)
 	// printf("Inside load_file\n");
 
     fprintf(stderr, "\n\n\n\n**********************\n");
-	loadHexImpl(filename, &ram);
+	loadHexImage(filename, &ram);
 	// printf("Filename: %s\n", filename);
     refill = false;
     i_refill = false;

hw/rtl/VX_warp_sched.v

@@ -33,7 +33,7 @@ module VX_warp_sched #(
     reg [31:0] warp_pcs [`NUM_WARPS-1:0];
 
     // barriers
-    reg [`NUM_WARPS-1:0] barrier_stall_mask[`NUM_BARRIERS-1:0]; // warps waiting on barrier
+    reg [`NUM_WARPS-1:0] barrier_stall_mask [`NUM_BARRIERS-1:0]; // warps waiting on barrier
     wire reached_barrier_limit; // the expected number of warps reached the barrier
     
     // wspawn