comment input signals

diff --git a/src/soc/alu/rotator.py b/src/soc/alu/rotator.py
index 8cea041f112a5916937e73c15f04eaf169f5ef51..7681692e8b2bc1ec569231f254285d16b369fc09 100644 (file)
--- a/src/soc/alu/rotator.py
+++ b/src/soc/alu/rotator.py
@@ -46,10 +46,10 @@ class Rotator(Elaboratable):
     """
     def __init__(self):
         # input
-        self.rs = Signal(64, reset_less=True)
-        self.ra = Signal(64, reset_less=True)
-        self.shift = Signal(7, reset_less=True)
-        self.insn = Signal(32, reset_less=True)
+        self.rs = Signal(64, reset_less=True)       # RS
+        self.ra = Signal(64, reset_less=True)       # RA
+        self.shift = Signal(7, reset_less=True)     # RB[0:7]
+        self.insn = Signal(32, reset_less=True)     # for mb and me fields
         self.is_32bit = Signal(reset_less=True)
         self.right_shift = Signal(reset_less=True)
         self.arith = Signal(reset_less=True)