From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sat, 6 Jun 2020 18:11:54 +0000 (+0100)
Subject: wait a little for wr.rel to activate if wrmask is active
X-Git-Tag: div_pipeline~525
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=147922a1c102af8d08dc2e5fe2f118b859df663a;p=soc.git

wait a little for wr.rel to activate if wrmask is active
---

diff --git a/src/soc/fu/compunits/test/test_compunit.py b/src/soc/fu/compunits/test/test_compunit.py
index d35ad27d..b32f43da 100644
--- a/src/soc/fu/compunits/test/test_compunit.py
+++ b/src/soc/fu/compunits/test/test_compunit.py
@@ -74,6 +74,16 @@ def set_operand(cu, dec2, sim):
 
 def get_cu_outputs(cu, code):
     res = {}
+    wrmask = yield cu.wrmask
+    print ("get_cu_outputs", cu.n_dst, wrmask)
+    if not wrmask: # no point waiting (however really should doublecheck wr.rel)
+        return {}
+    # wait for at least one result
+    while True:
+        wr_rel_o = yield cu.wr.rel
+        if wr_rel_o:
+            break
+        yield
     for i in range(cu.n_dst):
         wr_rel_o = yield cu.wr.rel[i]
         if wr_rel_o: