comment, nothing unusual when Trap Type is DEC

diff --git a/src/soc/fu/trap/main_stage.py b/src/soc/fu/trap/main_stage.py
index 9de2d9a649e845a2732dc504daf2d55370b3c844..3c609cf191c7979eb797603e7a60263a754ba41c 100644 (file)
--- a/src/soc/fu/trap/main_stage.py
+++ b/src/soc/fu/trap/main_stage.py
@@ -198,6 +198,9 @@ class TrapMainStage(PipeModBase):
                     with m.If(traptype & TT.EINT):
                         # do nothing unusual? see 3.0B Book III 6.5.7 p1073
                         pass
+                    with m.If(traptype & TT.DEC):
+                        # do nothing unusual?
+                        pass
                     with m.If(traptype & TT.ILLEG):
                         comb += srr1_o.data[PI.ILLEG].eq(1)
                     comb += srr1_o.ok.eq(1)