readback!

2021-11-19 23:34:55 -08:00
parent 249fc2df7c
commit d3c876a491
20 changed files with 316 additions and 651 deletions
--- a/peakrdl/regblock/utils.py
+++ b/peakrdl/regblock/utils.py
@@ -30,3 +30,6 @@ def get_always_ff_event(resetsignal: 'Optional[SignalBase]') -> str:
    elif resetsignal.is_async and not resetsignal.is_activehigh:
        return f"@(posedge clk or negedge {resetsignal.identifier})"
    return "@(posedge clk)"
+
+def clog2(n: int) -> int:
+    return n.bit_length() - 1