diff options
Diffstat (limited to 'rtl/core/control/control.sv')
| -rw-r--r-- | rtl/core/control/control.sv | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/rtl/core/control/control.sv b/rtl/core/control/control.sv index 059cb2d..c1ac5a1 100644 --- a/rtl/core/control/control.sv +++ b/rtl/core/control/control.sv @@ -19,6 +19,10 @@ module core_control mem_ready, input word mem_data_rd, +`ifdef VERILATOR + input word insn, +`endif + output logic stall, branch, writeback, @@ -154,6 +158,11 @@ module core_control writeback <= final_writeback; undefined <= dec.undefined; +`ifdef VERILATOR + if(dec.undefined) + $display("[core] undefined insn: [0x%08x] %08x", fetch_insn_pc << 2, insn); +`endif + rd <= final_rd; pc <= fetch_insn_pc; pc_visible <= next_pc_visible; |