apb4 working

2025-11-09 22:23:43 -08:00
parent 9bf1c3e944
commit 6bb4f08ca4
4 changed files with 29 additions and 18 deletions
--- a/src/peakrdl_busdecoder/decode_logic_gen.py
+++ b/src/peakrdl_busdecoder/decode_logic_gen.py
@@ -70,7 +70,9 @@ class DecodeLogicGenerator(BusDecoderListener):
        # Avoid generating a redundant >= 0 comparison, which triggers Verilator warnings.
        if not (l_bound.value == 0 and len(l_bound_comp) == 1):
            predicates.append(lower_expr)
-        predicates.append(upper_expr)
+        # Avoid generating a redundant full-width < max comparison, which triggers Verilator warnings.
+        if not (u_bound.value == (1 << addr_width) and len(u_bound_comp) == 1):
+            predicates.append(upper_expr)

        return predicates