From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 16 Aug 2020 09:21:09 +0000 (+0100)
Subject: restore incorrect removal of zero-Cat at LHS (should never do that)
X-Git-Tag: semi_working_ecp5~323
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9af0f3f969658fe7b9903a134e0bfe52ddcb8631;p=soc.git

restore incorrect removal of zero-Cat at LHS (should never do that)
---

diff --git a/src/soc/experiment/mmu.py b/src/soc/experiment/mmu.py
index 6ec7ded4..f9c26d16 100644
--- a/src/soc/experiment/mmu.py
+++ b/src/soc/experiment/mmu.py
@@ -277,7 +277,7 @@ class MMU(Elaboratable):
                 # for the segment check
                 comb += v.shift.eq(rts)
                 comb += v.mask_size.eq(mbits[0:5])
-                comb += v.pgbase.eq(pgtbl[8:56])
+                comb += v.pgbase.eq(Cat(Const(0, 8), pgtbl[8:56]))
 
 #               if l_in.valid = '1' then
                 with m.If(l_in.valid):