From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 17 Apr 2020 10:30:57 +0000 (+0100)
Subject: create distinct "done_o" signal
X-Git-Tag: div_pipeline~1432^2~11
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=59d050456afb99758e1cb46c21eaad303ff7ae3e;p=soc.git

create distinct "done_o" signal
---

diff --git a/src/soc/experiment/compalu_multi.py b/src/soc/experiment/compalu_multi.py
index a03b52ba..f2eda4ed 100644
--- a/src/soc/experiment/compalu_multi.py
+++ b/src/soc/experiment/compalu_multi.py
@@ -77,7 +77,7 @@ class ComputationUnitNoDelay(Elaboratable):
         self.data_o = dst[0] # Dest out
         self.rd_rel_o = Signal(n_src, reset_less=True) # release src1/src2 
         self.req_rel_o = Signal(n_dst, reset_less=True) # release out (valid_o)
-        self.done_o = self.req_rel_o # 'normalise' API
+        self.done_o = Signal(reset_less=True)
 
     def elaborate(self, platform):
         m = Module()
@@ -97,8 +97,9 @@ class ComputationUnitNoDelay(Elaboratable):
         # write_requests all done
         wr_any = Signal(reset_less=True)
         req_done = Signal(reset_less=True)
+        m.d.comb += self.done_o.eq(~(self.req_rel_o.bool())
         m.d.comb += wr_any.eq(self.go_wr_i.bool())
-        m.d.comb += req_done.eq(~(self.req_rel_o.bool()) & rst_l.q & wr_any)
+        m.d.comb += req_done.eq(self.done_o & rst_l.q & wr_any)
 
         # shadow/go_die
         reset = Signal(reset_less=True)