Add copyright to tests.

Change-Id: I8ea41675cf18007cb34aecfa43762a24fabd0d78
diff --git a/tests/verilator_sim/BUILD b/tests/verilator_sim/BUILD
index 6a87335..5c346cd 100644
--- a/tests/verilator_sim/BUILD
+++ b/tests/verilator_sim/BUILD
@@ -1,3 +1,5 @@
+# Copyright 2023 Google LLC
+
 cc_library(
     name = "sim_libs",
     hdrs = [
diff --git a/tests/verilator_sim/fifo.h b/tests/verilator_sim/fifo.h
index 4e492ec..ed078e6 100644
--- a/tests/verilator_sim/fifo.h
+++ b/tests/verilator_sim/fifo.h
@@ -1,3 +1,4 @@
+// Copyright 2023 Google LLC
 #ifndef TESTS_VERILATOR_SIM_FIFO_H_
 #define TESTS_VERILATOR_SIM_FIFO_H_
 
diff --git a/tests/verilator_sim/kelvin/core_if.h b/tests/verilator_sim/kelvin/core_if.h
index 9ec703c..427e617 100644
--- a/tests/verilator_sim/kelvin/core_if.h
+++ b/tests/verilator_sim/kelvin/core_if.h
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #ifndef TESTS_VERILATOR_SIM_KELVIN_CORE_IF_H_
 #define TESTS_VERILATOR_SIM_KELVIN_CORE_IF_H_
 
diff --git a/tests/verilator_sim/kelvin/dbus2axi_tb.cc b/tests/verilator_sim/kelvin/dbus2axi_tb.cc
index 92855e7..14d6e33 100644
--- a/tests/verilator_sim/kelvin/dbus2axi_tb.cc
+++ b/tests/verilator_sim/kelvin/dbus2axi_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VDBus2Axi.h"
 #include "tests/verilator_sim/sysc_tb.h"
 
diff --git a/tests/verilator_sim/kelvin/l1dcache_tb.cc b/tests/verilator_sim/kelvin/l1dcache_tb.cc
index 9f6b1e5..3fea867 100644
--- a/tests/verilator_sim/kelvin/l1dcache_tb.cc
+++ b/tests/verilator_sim/kelvin/l1dcache_tb.cc
@@ -1,4 +1,5 @@
 // Copyright 2023 Google LLC
+
 #include "tests/verilator_sim/sysc_tb.h"
 
 #ifndef L1DCACHEBANK
diff --git a/tests/verilator_sim/kelvin/l1dcachebank_tb.cc b/tests/verilator_sim/kelvin/l1dcachebank_tb.cc
index 4328333..0048f07 100644
--- a/tests/verilator_sim/kelvin/l1dcachebank_tb.cc
+++ b/tests/verilator_sim/kelvin/l1dcachebank_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VL1DCacheBank.h"
 
 #define L1DCACHEBANK
diff --git a/tests/verilator_sim/kelvin/l1icache_tb.cc b/tests/verilator_sim/kelvin/l1icache_tb.cc
index 61466fe..4a2c0a5 100644
--- a/tests/verilator_sim/kelvin/l1icache_tb.cc
+++ b/tests/verilator_sim/kelvin/l1icache_tb.cc
@@ -1,4 +1,5 @@
 // Copyright 2023 Google LLC
+
 #include "tests/verilator_sim/sysc_tb.h"
 
 #include "VL1ICache.h"
diff --git a/tests/verilator_sim/kelvin/valu.h b/tests/verilator_sim/kelvin/valu.h
index 4e68a53..afd7b28 100644
--- a/tests/verilator_sim/kelvin/valu.h
+++ b/tests/verilator_sim/kelvin/valu.h
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #ifndef TESTS_VERILATOR_SIM_KELVIN_VALU_H_
 #define TESTS_VERILATOR_SIM_KELVIN_VALU_H_
 
diff --git a/tests/verilator_sim/kelvin/valu_tb.cc b/tests/verilator_sim/kelvin/valu_tb.cc
index 26ab643..f3ff74b 100644
--- a/tests/verilator_sim/kelvin/valu_tb.cc
+++ b/tests/verilator_sim/kelvin/valu_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVAlu.h"
 #include "sysc_tb.h"
 #include "valu.h"
diff --git a/tests/verilator_sim/kelvin/valuint_tb.cc b/tests/verilator_sim/kelvin/valuint_tb.cc
index 853c7a5..f86ad37 100644
--- a/tests/verilator_sim/kelvin/valuint_tb.cc
+++ b/tests/verilator_sim/kelvin/valuint_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVAluInt.h"
 #include "sysc_tb.h"
 #include "valu.h"
diff --git a/tests/verilator_sim/kelvin/vcmdq_tb.cc b/tests/verilator_sim/kelvin/vcmdq_tb.cc
index 525366b..7f1068c 100644
--- a/tests/verilator_sim/kelvin/vcmdq_tb.cc
+++ b/tests/verilator_sim/kelvin/vcmdq_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVCmdq.h"
 #include "tests/verilator_sim/sysc_tb.h"
 
diff --git a/tests/verilator_sim/kelvin/vconvalu_tb.cc b/tests/verilator_sim/kelvin/vconvalu_tb.cc
index 35a7719..1a30c4b 100644
--- a/tests/verilator_sim/kelvin/vconvalu_tb.cc
+++ b/tests/verilator_sim/kelvin/vconvalu_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVConvAlu.h"
 #include "tests/verilator_sim/kelvin/kelvin_cfg.h"
 #include "tests/verilator_sim/sysc_tb.h"
diff --git a/tests/verilator_sim/kelvin/vconvctrl_tb.cc b/tests/verilator_sim/kelvin/vconvctrl_tb.cc
index e8f8310..6f1f926 100644
--- a/tests/verilator_sim/kelvin/vconvctrl_tb.cc
+++ b/tests/verilator_sim/kelvin/vconvctrl_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVConvCtrl.h"
 #include "tests/verilator_sim/kelvin/kelvin_cfg.h"
 #include "tests/verilator_sim/sysc_tb.h"
diff --git a/tests/verilator_sim/kelvin/vld_tb.cc b/tests/verilator_sim/kelvin/vld_tb.cc
index c75c8f2..de47606 100644
--- a/tests/verilator_sim/kelvin/vld_tb.cc
+++ b/tests/verilator_sim/kelvin/vld_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVLd.h"
 
 #include "tests/verilator_sim/kelvin/core_if.h"
diff --git a/tests/verilator_sim/kelvin/vldst_tb.cc b/tests/verilator_sim/kelvin/vldst_tb.cc
index 97d7ee5..7863d39 100644
--- a/tests/verilator_sim/kelvin/vldst_tb.cc
+++ b/tests/verilator_sim/kelvin/vldst_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVLdSt.h"
 
 #include "tests/verilator_sim/kelvin/core_if.h"
diff --git a/tests/verilator_sim/kelvin/vregfile_tb.cc b/tests/verilator_sim/kelvin/vregfile_tb.cc
index be5bb55..b1377d8 100644
--- a/tests/verilator_sim/kelvin/vregfile_tb.cc
+++ b/tests/verilator_sim/kelvin/vregfile_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVRegfile.h"
 
 #include "tests/verilator_sim/kelvin/kelvin_cfg.h"
diff --git a/tests/verilator_sim/kelvin/vregfilesegment_tb.cc b/tests/verilator_sim/kelvin/vregfilesegment_tb.cc
index 06c6dbc..0c3cfbc 100644
--- a/tests/verilator_sim/kelvin/vregfilesegment_tb.cc
+++ b/tests/verilator_sim/kelvin/vregfilesegment_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVRegfileSegment.h"
 
 #include "tests/verilator_sim/kelvin/kelvin_cfg.h"
diff --git a/tests/verilator_sim/kelvin/vst_tb.cc b/tests/verilator_sim/kelvin/vst_tb.cc
index d7d39b1..053cd01 100644
--- a/tests/verilator_sim/kelvin/vst_tb.cc
+++ b/tests/verilator_sim/kelvin/vst_tb.cc
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #include "VVSt.h"
 
 #include "tests/verilator_sim/kelvin/core_if.h"
diff --git a/tests/verilator_sim/sysc_module.h b/tests/verilator_sim/sysc_module.h
index 97cb122..7d8637e 100644
--- a/tests/verilator_sim/sysc_module.h
+++ b/tests/verilator_sim/sysc_module.h
@@ -1,3 +1,5 @@
+// Copyright 2023 Google LLC
+
 #ifndef TESTS_VERILATOR_SIM_SYSC_MODULE_H_
 #define TESTS_VERILATOR_SIM_SYSC_MODULE_H_