diff --git a/sim/decoder.cc b/sim/decoder.cc
index a98f6b3..60cd156 100644
--- a/sim/decoder.cc
+++ b/sim/decoder.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/decoder.h"
 
 #include "mpact/sim/generic/type_helpers.h"
diff --git a/sim/decoder.h b/sim/decoder.h
index 087fa16..a8ef8db 100644
--- a/sim/decoder.h
+++ b/sim/decoder.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_DECODER_H_
 #define SIM_DECODER_H_
 
diff --git a/sim/kelvin_encoding.cc b/sim/kelvin_encoding.cc
index 5597833..6fcf863 100644
--- a/sim/kelvin_encoding.cc
+++ b/sim/kelvin_encoding.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_encoding.h"
 
 #include <cstdint>
diff --git a/sim/kelvin_encoding.h b/sim/kelvin_encoding.h
index 528473a..51cfeae 100644
--- a/sim/kelvin_encoding.h
+++ b/sim/kelvin_encoding.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_KELVIN_ENCODING_H_
 #define SIM_KELVIN_ENCODING_H_
 
diff --git a/sim/kelvin_instructions.cc b/sim/kelvin_instructions.cc
index 1d2605a..f2ac50f 100644
--- a/sim/kelvin_instructions.cc
+++ b/sim/kelvin_instructions.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_instructions.h"
 
 #include <cstdint>
diff --git a/sim/kelvin_instructions.h b/sim/kelvin_instructions.h
index f3952ab..d15fc67 100644
--- a/sim/kelvin_instructions.h
+++ b/sim/kelvin_instructions.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_KELVIN_INSTRUCTIONS_H_
 #define SIM_KELVIN_INSTRUCTIONS_H_
 
diff --git a/sim/kelvin_sim.cc b/sim/kelvin_sim.cc
index b8c3388..421d6e1 100644
--- a/sim/kelvin_sim.cc
+++ b/sim/kelvin_sim.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <signal.h>
 
 #include <cstdint>
diff --git a/sim/kelvin_state.cc b/sim/kelvin_state.cc
index 06b823b..c16b02d 100644
--- a/sim/kelvin_state.cc
+++ b/sim/kelvin_state.cc
@@ -1,3 +1,16 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
 
 #include "sim/kelvin_state.h"
 
diff --git a/sim/kelvin_state.h b/sim/kelvin_state.h
index 5aec3ba..f2c26df 100644
--- a/sim/kelvin_state.h
+++ b/sim/kelvin_state.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_KELVIN_STATE_H_
 #define SIM_KELVIN_STATE_H_
 
diff --git a/sim/kelvin_top.cc b/sim/kelvin_top.cc
index 445df59..0dc7d74 100644
--- a/sim/kelvin_top.cc
+++ b/sim/kelvin_top.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_top.h"
 
 #include <sys/stat.h>
diff --git a/sim/kelvin_top.h b/sim/kelvin_top.h
index 0ab6792..1aa0637 100644
--- a/sim/kelvin_top.h
+++ b/sim/kelvin_top.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_KELVIN_TOP_H_
 #define SIM_KELVIN_TOP_H_
 
diff --git a/sim/kelvin_vector_convolution_instructions.cc b/sim/kelvin_vector_convolution_instructions.cc
index 9f4d006..46c1621 100644
--- a/sim/kelvin_vector_convolution_instructions.cc
+++ b/sim/kelvin_vector_convolution_instructions.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_vector_convolution_instructions.h"
 
 #include <array>
diff --git a/sim/kelvin_vector_convolution_instructions.h b/sim/kelvin_vector_convolution_instructions.h
index 23d01c7..b2d6861 100644
--- a/sim/kelvin_vector_convolution_instructions.h
+++ b/sim/kelvin_vector_convolution_instructions.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_KELVIN_VECTOR_CONVOLUTION_INSTRUCTIONS_H_
 #define SIM_KELVIN_VECTOR_CONVOLUTION_INSTRUCTIONS_H_
 
diff --git a/sim/kelvin_vector_instructions.cc b/sim/kelvin_vector_instructions.cc
index fb3f361..41f9fd9 100644
--- a/sim/kelvin_vector_instructions.cc
+++ b/sim/kelvin_vector_instructions.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_vector_instructions.h"
 
 #include <algorithm>
diff --git a/sim/kelvin_vector_instructions.h b/sim/kelvin_vector_instructions.h
index ac4e556..30a6a1e 100644
--- a/sim/kelvin_vector_instructions.h
+++ b/sim/kelvin_vector_instructions.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_KELVIN_VECTOR_INSTRUCTIONS_H_
 #define SIM_KELVIN_VECTOR_INSTRUCTIONS_H_
 
diff --git a/sim/kelvin_vector_memory_instructions.cc b/sim/kelvin_vector_memory_instructions.cc
index 84069a8..405181b 100644
--- a/sim/kelvin_vector_memory_instructions.cc
+++ b/sim/kelvin_vector_memory_instructions.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_vector_memory_instructions.h"
 
 #include <algorithm>
diff --git a/sim/kelvin_vector_memory_instructions.h b/sim/kelvin_vector_memory_instructions.h
index 19f73db..6369f1a 100644
--- a/sim/kelvin_vector_memory_instructions.h
+++ b/sim/kelvin_vector_memory_instructions.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_KELVIN_VECTOR_MEMORY_INSTRUCTIONS_H_
 #define SIM_KELVIN_VECTOR_MEMORY_INSTRUCTIONS_H_
 
diff --git a/sim/proto/BUILD b/sim/proto/BUILD
index 17f0722..88b934d 100644
--- a/sim/proto/BUILD
+++ b/sim/proto/BUILD
@@ -1,3 +1,17 @@
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Protobuf for the kelvin sim trace file
 
 
diff --git a/sim/proto/kelvin_trace.proto b/sim/proto/kelvin_trace.proto
index 2c060a3..92aa5a8 100644
--- a/sim/proto/kelvin_trace.proto
+++ b/sim/proto/kelvin_trace.proto
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 syntax = "proto2";
 
 package kelvin.sim.proto;
diff --git a/sim/renode/BUILD b/sim/renode/BUILD
index e19ac2e..660e6f7 100644
--- a/sim/renode/BUILD
+++ b/sim/renode/BUILD
@@ -1,3 +1,17 @@
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Build Renode interface for kelvin
 
 package(
diff --git a/sim/renode/kelvin_renode.cc b/sim/renode/kelvin_renode.cc
index 700feaa..adef63e 100644
--- a/sim/renode/kelvin_renode.cc
+++ b/sim/renode/kelvin_renode.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/renode/kelvin_renode.h"
 
 #include <cstddef>
diff --git a/sim/renode/kelvin_renode.h b/sim/renode/kelvin_renode.h
index 0763f34..43f4ed1 100644
--- a/sim/renode/kelvin_renode.h
+++ b/sim/renode/kelvin_renode.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_KELVIN_RENODE_H_
 #define LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_KELVIN_RENODE_H_
 
diff --git a/sim/renode/kelvin_renode_memory.cc b/sim/renode/kelvin_renode_memory.cc
index 15f5d37..2d5c9c8 100644
--- a/sim/renode/kelvin_renode_memory.cc
+++ b/sim/renode/kelvin_renode_memory.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/renode/kelvin_renode_memory.h"
 
 #include <algorithm>
diff --git a/sim/renode/kelvin_renode_memory.h b/sim/renode/kelvin_renode_memory.h
index 83e0354..ae26c5d 100644
--- a/sim/renode/kelvin_renode_memory.h
+++ b/sim/renode/kelvin_renode_memory.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_KELVIN_RENODE_MEMORY_H_
 #define LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_KELVIN_RENODE_MEMORY_H_
 
diff --git a/sim/renode/kelvin_renode_register_info.h b/sim/renode/kelvin_renode_register_info.h
index b54ff85..b96cc68 100644
--- a/sim/renode/kelvin_renode_register_info.h
+++ b/sim/renode/kelvin_renode_register_info.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_KELVIN_RENODE_REGISTER_INFO_H_
 #define LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_KELVIN_RENODE_REGISTER_INFO_H_
 
diff --git a/sim/renode/kelvin_renode_reigster_info.cc b/sim/renode/kelvin_renode_reigster_info.cc
index 5af05bb..5359915 100644
--- a/sim/renode/kelvin_renode_reigster_info.cc
+++ b/sim/renode/kelvin_renode_reigster_info.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/renode/kelvin_renode_register_info.h"
 #include "riscv/riscv_debug_info.h"
 #include "mpact/sim/generic/type_helpers.h"
diff --git a/sim/renode/renode_debug_interface.h b/sim/renode/renode_debug_interface.h
index 04c910d..3951222 100644
--- a/sim/renode/renode_debug_interface.h
+++ b/sim/renode/renode_debug_interface.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_RENODE_DEBUG_INTERFACE_H_
 #define LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_RENODE_DEBUG_INTERFACE_H_
 
diff --git a/sim/renode/renode_mpact.cc b/sim/renode/renode_mpact.cc
index 3d11cb7..1648dc2 100644
--- a/sim/renode/renode_mpact.cc
+++ b/sim/renode/renode_mpact.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/renode/renode_mpact.h"
 
 #include <cstdint>
diff --git a/sim/renode/renode_mpact.h b/sim/renode/renode_mpact.h
index edb583b..756c4d8 100644
--- a/sim/renode/renode_mpact.h
+++ b/sim/renode/renode_mpact.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_RENODE_MPACT_H_
 #define LEARNING_BRAIN_RESEARCH_KELVIN_SIM_RENODE_RENODE_MPACT_H_
 
diff --git a/sim/renode/test/BUILD b/sim/renode/test/BUILD
index 0d6c7b0..ae3b053 100644
--- a/sim/renode/test/BUILD
+++ b/sim/renode/test/BUILD
@@ -1,3 +1,17 @@
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # This project contains a small set of tests to test the functionality of
 # the MPACT-Sim/Renode interface.
 
diff --git a/sim/renode/test/kelvin_renode_test.cc b/sim/renode/test/kelvin_renode_test.cc
index d5f157a..8b15f4b 100644
--- a/sim/renode/test/kelvin_renode_test.cc
+++ b/sim/renode/test/kelvin_renode_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/renode/kelvin_renode.h"
 
 #include <cstdint>
diff --git a/sim/renode/test/renode_mpact_test.cc b/sim/renode/test/renode_mpact_test.cc
index 6c88bef..ad5ffad 100644
--- a/sim/renode/test/renode_mpact_test.cc
+++ b/sim/renode/test/renode_mpact_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/renode/renode_mpact.h"
 
 #include <cstddef>
diff --git a/sim/test/BUILD b/sim/test/BUILD
index 816ee4d..09f53cc 100644
--- a/sim/test/BUILD
+++ b/sim/test/BUILD
@@ -1,3 +1,17 @@
+# Copyright 2023 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 # Unit tests for kelvin simulator.
 
 exports_files(
diff --git a/sim/test/kelvin_decoder_test.cc b/sim/test/kelvin_decoder_test.cc
index 9404238..42f65b6 100644
--- a/sim/test/kelvin_decoder_test.cc
+++ b/sim/test/kelvin_decoder_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <ios>
 #include <string>
 
diff --git a/sim/test/kelvin_encoding_test.cc b/sim/test/kelvin_encoding_test.cc
index 8e5285d..54e2931 100644
--- a/sim/test/kelvin_encoding_test.cc
+++ b/sim/test/kelvin_encoding_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_encoding.h"
 
 #include <any>
diff --git a/sim/test/kelvin_log_instructions_test.cc b/sim/test/kelvin_log_instructions_test.cc
index e86fa35..fa3f842 100644
--- a/sim/test/kelvin_log_instructions_test.cc
+++ b/sim/test/kelvin_log_instructions_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include <sys/types.h>
 
 #include <array>
diff --git a/sim/test/kelvin_top_test.cc b/sim/test/kelvin_top_test.cc
index 66686ff..e82eb34 100644
--- a/sim/test/kelvin_top_test.cc
+++ b/sim/test/kelvin_top_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_top.h"
 
 #include <algorithm>
diff --git a/sim/test/kelvin_vector_convolution_instructions_test.cc b/sim/test/kelvin_vector_convolution_instructions_test.cc
index 80c98c1..8dbefe6 100644
--- a/sim/test/kelvin_vector_convolution_instructions_test.cc
+++ b/sim/test/kelvin_vector_convolution_instructions_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_vector_convolution_instructions.h"
 
 #include <array>
diff --git a/sim/test/kelvin_vector_instructions_test.cc b/sim/test/kelvin_vector_instructions_test.cc
index 4b057e3..957187d 100644
--- a/sim/test/kelvin_vector_instructions_test.cc
+++ b/sim/test/kelvin_vector_instructions_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_vector_instructions.h"
 
 #include <assert.h>
diff --git a/sim/test/kelvin_vector_instructions_test_base.h b/sim/test/kelvin_vector_instructions_test_base.h
index 8c9fb57..5e90c8c 100644
--- a/sim/test/kelvin_vector_instructions_test_base.h
+++ b/sim/test/kelvin_vector_instructions_test_base.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 #ifndef SIM_TEST_KELVIN_VECTOR_INSTRUCTIONS_TEST_BASE_H_
 #define SIM_TEST_KELVIN_VECTOR_INSTRUCTIONS_TEST_BASE_H_
 
diff --git a/sim/test/kelvin_vector_memory_instructions_test.cc b/sim/test/kelvin_vector_memory_instructions_test.cc
index 4191c84..81a7c87 100644
--- a/sim/test/kelvin_vector_memory_instructions_test.cc
+++ b/sim/test/kelvin_vector_memory_instructions_test.cc
@@ -1,3 +1,17 @@
+// Copyright 2023 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 #include "sim/kelvin_vector_memory_instructions.h"
 
 #include <assert.h>
diff --git a/sim/test/testfiles/kelvin_vector_convolution_testdata.h b/sim/test/testfiles/kelvin_vector_convolution_testdata.h
index 0cb2779..31747d6 100644
--- a/sim/test/testfiles/kelvin_vector_convolution_testdata.h
+++ b/sim/test/testfiles/kelvin_vector_convolution_testdata.h
@@ -1,3 +1,19 @@
+/*
+ * Copyright 2023 Google LLC
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 // Test input/reference vectors for the vector convolution instruction
 // functions.
 #ifndef SIM_TEST_TESTFILES_KELVIN_VECTOR_CONVOLUTION_TESTDATA_H_