From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 22 Oct 2020 15:59:02 +0000 (+0100)
Subject: add query about cross-domain on the JTAG enable of WB
X-Git-Tag: 24jan2021_ls180~127
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=50adde0faa929c2c1e9f305357cbae6d9f0deae7;p=soc.git

add query about cross-domain on the JTAG enable of WB
https://bugs.libre-soc.org/show_bug.cgi?id=520
---

diff --git a/src/soc/simple/issuer.py b/src/soc/simple/issuer.py
index 6243389c..27afb68e 100644
--- a/src/soc/simple/issuer.py
+++ b/src/soc/simple/issuer.py
@@ -60,6 +60,9 @@ class TestIssuerInternal(Elaboratable):
             self.jtag = JTAG(get_pinspecs(subset=subset))
             # add signals to pspec to enable/disable icache and dcache
             # (or data and intstruction wishbone if icache/dcache not included)
+            # https://bugs.libre-soc.org/show_bug.cgi?id=520
+            # TODO: do we actually care if these are not domain-synchronised?
+            # honestly probably not.
             pspec.wb_icache_en = self.jtag.wb_icache_en
             pspec.wb_dcache_en = self.jtag.wb_dcache_en