add IBM microwatt CC4 license and copyright notices

diff --git a/LICENSE.CC4 b/LICENSE.CC4
new file mode 100644 (file)
index 0000000..d7bf7c5
--- /dev/null
+++ b/LICENSE.CC4
@@ -0,0 +1,8 @@
+© IBM Corp. 2019 
+This softcore is licensed under and subject to the terms of the CC-BY 4.0 
+license (https://creativecommons.org/licenses/by/4.0/legalcode). 
+Additional rights, including the right to physically implement a softcore 
+that is compliant with the required sections of the Power ISA 
+Specification, will be available at no cost via the OpenPOWER Foundation. 
+This README will be updated with additional information when OpenPOWER's 
+license is available.

diff --git a/verilator/microwatt-verilator.cpp b/verilator/microwatt-verilator.cpp
index 4df30848ab9c1a7b6b907faefcf51595fdeef1af..1bf1ddeb311fbfb7f18df37aeae2eb600c739176 100644 (file)
--- a/verilator/microwatt-verilator.cpp
+++ b/verilator/microwatt-verilator.cpp
@@ -1,3 +1,6 @@
+// Copyright (C) IBM 2019, see LICENSE.CC4
+// based on code from microwatt https://github.com/antonblanchard/microwatt
+
 #include <stdlib.h>
 #include "Vtop.h"
 #include "verilated.h"

diff --git a/verilator/uart-verilator.c b/verilator/uart-verilator.c
index 8492a117cd718e4285239e827aec87e23be18b8b..8800692d6b2bf1beab0fe5356374fea4177334d2 100644 (file)
--- a/verilator/uart-verilator.c
+++ b/verilator/uart-verilator.c
@@ -1,3 +1,6 @@
+// Copyright (C) IBM 2019, see LICENSE.CC4
+// based on code from microwatt https://github.com/antonblanchard/microwatt
+
 #include <signal.h>
 #include <poll.h>
 #include <unistd.h>

diff --git a/verilator/uart-verilator.h b/verilator/uart-verilator.h
index 10ae8aa3ae6656a1e7e2f30f4ffbdd385ad5cb51..9d4c0ff2d536070b1be1d61ad90896a33f5904f7 100644 (file)
--- a/verilator/uart-verilator.h
+++ b/verilator/uart-verilator.h
@@ -1,3 +1,6 @@
+// Copyright (C) IBM 2019, see LICENSE.CC4
+// based on code from microwatt https://github.com/antonblanchard/microwatt
+
 /*
  * Our UART uses 16x oversampling, so at 50 MHz and 115200 baud
  * each sample is: 50000000/(115200*16) = 27 clock cycles. This