+`define ADDR {0}
+`define PADDR {0}
+`define DATA {1}
+`define Reg_width {1}
+`define USERSPACE 0
+
+// TODO: work out if these are needed
+`define PRFDEPTH 6
+`define VADDR 39
+`define DCACHE_BLOCK_SIZE 4
+`define DCACHE_WORD_SIZE 8
+`define PERFMONITORS 64
+`define DCACHE_WAYS 4
+`define DCACHE_TAG_BITS 20 // tag_bits = 52
+`define PLIC
+ `define PLICBase 'h0c000000
+ `define PLICEnd 'h10000000
+`define INTERRUPT_PINS 64
+
+`define BAUD_RATE 130
+`ifdef simulate
+ `define BAUD_RATE 5 //130 //
+`endif