update comments

[ieee754fpu.git] / src / add / fpadd / statemachine.py

diff --git a/src/add/fpadd/statemachine.py b/src/add/fpadd/statemachine.py
index 2591a5807c0f924e12b69c080693689987193a1f..4418b3fa8f07471b5b9067a6175f0306ad10c5d8 100644 (file)
--- a/src/add/fpadd/statemachine.py
+++ b/src/add/fpadd/statemachine.py
@@ -32,13 +32,18 @@ from fpadd.addstages import FPAddAlignSingleAdd
 class FPOpData:
     def __init__(self, width, id_wid):
         self.z = FPOpOut(width)
+        self.z.data_o = Signal(width)
         self.mid = Signal(id_wid, reset_less=True)
 
+    def __iter__(self):
+        yield self.z
+        yield self.mid
+
     def eq(self, i):
         return [self.z.eq(i.z), self.mid.eq(i.mid)]
 
     def ports(self):
-        return [self.z, self.mid]
+        return list(self)
 
 
 class FPADDBaseMod:
@@ -202,13 +207,13 @@ class FPADDBase(FPState):
                      self.in_t.ack.eq(self.mod.in_t.ack),
                      self.o.mid.eq(self.mod.o.mid),
                      self.o.z.v.eq(self.mod.o.z.v),
-                     self.o.z.o_valid.eq(self.mod.o.z.o_valid),
-                     self.mod.o.z.i_ready.eq(self.o.z.i_ready_test),
+                     self.o.z.valid_o.eq(self.mod.o.z.valid_o),
+                     self.mod.o.z.ready_i.eq(self.o.z.ready_i_test),
                     ]
 
         m.d.sync += self.add_stb.eq(add_stb)
         m.d.sync += self.add_ack.eq(0) # sets to zero when not in active state
-        m.d.sync += self.o.z.i_ready.eq(0) # likewise
+        m.d.sync += self.o.z.ready_i.eq(0) # likewise
         #m.d.sync += self.in_t.stb.eq(0)
 
         m.submodules.fpadd = self.mod
@@ -230,7 +235,7 @@ class FPADDBase(FPState):
             with m.Else():
                 m.d.sync += [self.add_ack.eq(0),
                              self.in_t.stb.eq(0),
-                             self.o.z.i_ready.eq(1),
+                             self.o.z.ready_i.eq(1),
                             ]
         with m.Else():
             # done: acknowledge, and write out id and value
@@ -290,6 +295,8 @@ class FPADD(FPID):
         for i in range(rs_sz):
             in_a  = FPOpIn(width)
             in_b  = FPOpIn(width)
+            in_a.data_i = Signal(width)
+            in_b.data_i = Signal(width)
             in_a.name = "in_a_%d" % i
             in_b.name = "in_b_%d" % i
             rs.append((in_a, in_b))
@@ -298,6 +305,7 @@ class FPADD(FPID):
         res = []
         for i in range(rs_sz):
             out_z = FPOpOut(width)
+            out_z.data_o = Signal(width)
             out_z.name = "out_z_%d" % i
             res.append(out_z)
         self.res = Array(res)
@@ -312,7 +320,7 @@ class FPADD(FPID):
         """ creates the HDL code-fragment for FPAdd
         """
         m = Module()
-        m.submodules += self.rs
+        #m.submodules += self.rs
 
         in_a = self.rs[0][0]
         in_b = self.rs[0][1]