From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 23 May 2019 11:07:03 +0000 (+0100)
Subject: make shadow inputs/good/fail arrays (actual matrix now)
X-Git-Tag: div_pipeline~1973
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=68551f2867076d730cf926cc46e162c41771e42a;p=soc.git

make shadow inputs/good/fail arrays (actual matrix now)
---

diff --git a/src/scoreboard/shadow.py b/src/scoreboard/shadow.py
index b35ed9e6..42e7823a 100644
--- a/src/scoreboard/shadow.py
+++ b/src/scoreboard/shadow.py
@@ -115,9 +115,12 @@ class ShadowMatrix(Elaboratable):
 
         # inputs
         self.issue_i = Signal(n_fus, reset_less=True)
-        self.shadow_i = Signal(shadow_wid, reset_less=True)
-        self.s_fail_i = Signal(shadow_wid, reset_less=True)
-        self.s_good_i = Signal(shadow_wid, reset_less=True)
+        self.shadow_i = Array(Signal(shadow_wid, name="sh_i", reset_less=True) \
+                            for f in range(n_fus))
+        self.s_fail_i = Array(Signal(shadow_wid, name="f_i", reset_less=True) \
+                            for f in range(n_fus))
+        self.s_good_i = Array(Signal(shadow_wid, name="g_i", reset_less=True) \
+                            for f in range(n_fus))
 
         # outputs
         self.go_die_o = Signal(n_fus, reset_less=True)
@@ -130,12 +133,10 @@ class ShadowMatrix(Elaboratable):
             sh = Shadow(self.shadow_wid)
             setattr(m.submodules, "sh%d" % i, sh)
             shadows.append(sh)
-
-        # connect shadow/fail/good to all shadows
-        for l in shadows:
-            m.d.comb += l.s_fail_i.eq(self.s_fail_i)
-            m.d.comb += l.s_good_i.eq(self.s_good_i)
-            m.d.comb += l.shadow_i.eq(self.shadow_i)
+            # connect shadow/fail/good to all shadows
+            m.d.comb += sh.s_fail_i.eq(self.s_fail_i[i])
+            m.d.comb += sh.s_good_i.eq(self.s_good_i[i])
+            m.d.comb += sh.shadow_i.eq(self.shadow_i[i])
 
         # connect all shadow outputs and issue input
         issue_l = []
@@ -153,9 +154,9 @@ class ShadowMatrix(Elaboratable):
 
     def __iter__(self):
         yield self.issue_i
-        yield self.shadow_i
-        yield self.s_fail_i
-        yield self.s_good_i
+        yield from self.shadow_i
+        yield from self.s_fail_i
+        yield from self.s_good_i
         yield self.go_die_o
         yield self.shadown_o