dependency matrix (Reg to FU)

[ieee754fpu.git] / src / scoreboard / reg_select.py

diff --git a/src/scoreboard/reg_select.py b/src/scoreboard/reg_select.py
index 04deaac549c4f62d3673363c4e4117b946751b21..eca3328e267b2cc7d2050a68700a22aa77a77347 100644 (file)
--- a/src/scoreboard/reg_select.py
+++ b/src/scoreboard/reg_select.py
@@ -1,7 +1,10 @@
 from nmigen import Elaboratable, Module, Signal
 
 
-class RegReservation(Elaboratable):
+class Reg_Rsv(Elaboratable):
+    """ these are allocated per-Register (vertically),
+        and are each of length fu_count
+    """
     def __init__(self, fu_count):
         self.fu_count = fu_count
         self.dest_rsel_i = Signal(fu_count, reset_less=True)
@@ -11,7 +14,7 @@ class RegReservation(Elaboratable):
         self.src1_rsel_o = Signal(reset_less=True)
         self.src2_rsel_o = Signal(reset_less=True)
 
-    def elaboratable(self, platform):
+    def elaborate(self, platform):
         m = Module()
         m.d.comb += self.dest_rsel_o.eq(self.dest_rsel_i.bool())
         m.d.comb += self.src1_rsel_o.eq(self.src1_rsel_i.bool())