From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Thu, 22 Apr 2021 00:43:51 +0000 (+0100)
Subject: comments on DMI interface
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=1d20454df8ccfb8ccdd8b32d7138f38553c23f1d;p=libresoc-litex.git

comments on DMI interface
---

diff --git a/sim.py b/sim.py
index 2dd1874..8cddb39 100755
--- a/sim.py
+++ b/sim.py
@@ -1,5 +1,12 @@
 #!/usr/bin/env python3
 
+# Notes for "Debug" mode:
+# both microwatt and Libre-SOC implement (pretty much) the same DMI
+# interface.  TBD: really, there should be an OPF Debug SIG which
+# defines this properly. still, these two are interoperable.
+# https://git.libre-soc.org/?p=soc.git;a=blob;f=src/soc/debug/dmi.py
+# https://github.com/antonblanchard/microwatt/blob/master/core_debug.vhdl
+
 import os
 import argparse