add LGPLv3+ notice and add copyright holders

diff --git a/src/soc/fu/alu/main_stage.py b/src/soc/fu/alu/main_stage.py
index b4c4bb2a0e705a6086b23b9f34981ffdb0acefba..9e282c8c4c503b66254fde827955a009e88349e9 100644 (file)
--- a/src/soc/fu/alu/main_stage.py
+++ b/src/soc/fu/alu/main_stage.py
@@ -4,7 +4,11 @@
 # however should not gate the carry or overflow, that's up to the
 # output stage
 
 # however should not gate the carry or overflow, that's up to the
 # output stage
 

+# License: LGPLv3+
+# Copyright (C) 2020 Luke Kenneth Casson Leighton <lkcl@lkcl.net>

 # Copyright (C) 2020 Michael Nolan <mtnolan2640@gmail.com>
 # Copyright (C) 2020 Michael Nolan <mtnolan2640@gmail.com>

+# (michael: note that there are multiple copyright holders)
+

 from nmigen import (Module, Signal, Cat, Repl, Mux, Const)
 from nmutil.pipemodbase import PipeModBase
 from nmutil.extend import exts, extz
 from nmigen import (Module, Signal, Cat, Repl, Mux, Const)
 from nmutil.pipemodbase import PipeModBase
 from nmutil.extend import exts, extz