Make VLEN and RVD configurable via preprocessor defines

Author: luca24balboni

hw/ip/spatz/src/generated/spatz_pkg.sv

@@ -23,16 +23,24 @@ package spatz_pkg;
   // Single-precision floating point support
   localparam bit RVF            = 1;
   // Double-precision floating-point support
-  localparam bit RVD            = 0;
+  `ifdef SPATZ_RVD
+    localparam bit RVD = `SPATZ_RVD;
+  `else
+    localparam bit RVD = 0;  // Default
+  `endif
   // Vector support
   localparam bit RVV            = 1;
 
   // Maximum size of a single vector element in bits
-  localparam int unsigned ELEN   = RVD ? 64 : 32;
+  localparam int unsigned ELEN   = RVD ? 64 : 32;  // = 64 with RVD=1
   // Maximum size of a single vector element in bytes
   localparam int unsigned ELENB  = ELEN / 8;
   // Number of bits in a vector register
-  localparam int unsigned VLEN   = 256;
+  `ifdef SPATZ_VLEN
+    localparam int unsigned VLEN = `SPATZ_VLEN;
+  `else
+    localparam int unsigned VLEN = 256;  // Default: 256 bits
+  `endif
   // Number of bytes in a vector register
   localparam int unsigned VLENB  = VLEN / 8;
   // Maximum vector length in elements