Merge pull request #910 from pascalgouedo/dev_dd_pgo_rtl

Aligned ebreak and ecall management in controller states.
openhwgroup · Nov 27, 2023 · 65b412e · 65b412e
2 parents 1d0ec8d + b94c429
commit 65b412e
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/rtl/cv32e40p_controller.sv b/rtl/cv32e40p_controller.sv
@@ -766,7 +766,7 @@ module cv32e40p_controller import cv32e40p_pkg::*;
 
                     ebrk_insn_i: begin
                       halt_if_o     = 1'b1;
-                      halt_id_o     = 1'b1;
+                      halt_id_o     = 1'b0;
 
                       if (debug_mode_q)
                         // we got back to the park loop in the debug rom
@@ -778,15 +778,15 @@ module cv32e40p_controller import cv32e40p_pkg::*;
 
                       else begin
                         // otherwise just a normal ebreak exception
-                        ctrl_fsm_ns = FLUSH_EX;
+                        ctrl_fsm_ns = id_ready_i ? FLUSH_EX : DECODE_HWLOOP;
                       end
 
                     end
 
                     ecall_insn_i: begin
                       halt_if_o     = 1'b1;
-                      halt_id_o     = 1'b1;
-                      ctrl_fsm_ns   = FLUSH_EX;
+                      halt_id_o     = 1'b0;
+                      ctrl_fsm_ns   = id_ready_i ? FLUSH_EX : DECODE_HWLOOP;
                     end
 
                     csr_status_i: begin