Add memsize parameter

bench/serv_wrapper.v

@@ -5,6 +5,8 @@ module serv_wrapper
  output wire q);
 
    parameter memfile = "zephyr_hello.hex";
+   parameter memsize = 8192;
+
 
    reg [4:0] rst_reg = 5'b11111;
 
@@ -106,8 +108,6 @@ serv_arbiter serv_arbiter
    .o_wb_timer_cyc (wb_timer_cyc),
    .i_wb_timer_rdt (wb_timer_rdt));
 
-   localparam MEMORY_SIZE = 2048*4;
-
 `ifndef SYNTHESIS
 //synthesis translate_off
    reg [1023:0] firmware_file;
@@ -124,11 +124,11 @@ serv_arbiter serv_arbiter
 `ifdef SYNTHESIS
 .memfile (memfile),
 `endif
-       .depth (MEMORY_SIZE))
+       .depth (memsize))
    ram
      (// Wishbone interface
       .wb_clk_i (wb_clk),
-      .wb_adr_i (wb_mem_adr[$clog2(MEMORY_SIZE)-1:0]),
+      .wb_adr_i (wb_mem_adr[$clog2(memsize)-1:0]),
       .wb_cyc_i (wb_mem_cyc),
       .wb_we_i  (wb_mem_we) ,
       .wb_sel_i (wb_mem_sel),

serv.core

@@ -109,7 +109,7 @@ targets:
   verilator_tb:
     default_tool: verilator
     filesets : [core, wrapper, verilator_tb]
-    parameters : [RISCV_FORMAL, firmware, signature, uart_baudrate, vcd]
+    parameters : [RISCV_FORMAL, firmware, memsize, signature, uart_baudrate, vcd]
     tools:
       verilator:
         verilator_options : [-Wno-fatal, --trace]
@@ -130,6 +130,12 @@ parameters:
     description : Preload RAM with a hex file at compile-time
     paramtype   : vlogparam
 
+  memsize:
+    datatype    : int
+    default     : 8192
+    description : Memory size in bytes for RAM (default 8kiB)
+    paramtype   : vlogparam
+
   signature:
     datatype : file
     paramtype : plusarg