diff --git a/src/dynarmic/src/dynarmic/backend/arm64/address_space.cpp b/src/dynarmic/src/dynarmic/backend/arm64/address_space.cpp
index fc701284b7..733ba962c3 100644
--- a/src/dynarmic/src/dynarmic/backend/arm64/address_space.cpp
+++ b/src/dynarmic/src/dynarmic/backend/arm64/address_space.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2022 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_a64.cpp b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_a64.cpp
index a5597344cf..8bbcce0a43 100644
--- a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_a64.cpp
+++ b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_a64.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2022 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.cpp b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.cpp
index 4c28e6545a..c4b266185e 100644
--- a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.cpp
+++ b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_memory.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2022 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_vector.cpp b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_vector.cpp
index 9f4ed781c9..4251e6e47a 100644
--- a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_vector.cpp
+++ b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_vector.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2022 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_vector_saturation.cpp b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_vector_saturation.cpp
index 5674dbaf0c..7e83b901d5 100644
--- a/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_vector_saturation.cpp
+++ b/src/dynarmic/src/dynarmic/backend/arm64/emit_arm64_vector_saturation.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2022 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64_memory.cpp b/src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64_memory.cpp
index 23f585af21..92f5cae602 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64_memory.cpp
+++ b/src/dynarmic/src/dynarmic/backend/x64/a32_emit_x64_memory.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2022 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64_memory.cpp b/src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64_memory.cpp
index 4cd6279ec1..fc0cd8c1f3 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64_memory.cpp
+++ b/src/dynarmic/src/dynarmic/backend/x64/a64_emit_x64_memory.cpp
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2022 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h b/src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h
index a4abbe5cf8..de8c827806 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h
+++ b/src/dynarmic/src/dynarmic/backend/x64/emit_x64_memory.h
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2022 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/backend/x64/perf_map.h b/src/dynarmic/src/dynarmic/backend/x64/perf_map.h
index 363dcfdbe9..3d5667da1d 100644
--- a/src/dynarmic/src/dynarmic/backend/x64/perf_map.h
+++ b/src/dynarmic/src/dynarmic/backend/x64/perf_map.h
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2018 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/common/fp/util.h b/src/dynarmic/src/dynarmic/common/fp/util.h
index 3cb1bcf217..903c144ea6 100644
--- a/src/dynarmic/src/dynarmic/common/fp/util.h
+++ b/src/dynarmic/src/dynarmic/common/fp/util.h
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2018 MerryMage
  * SPDX-License-Identifier: 0BSD
diff --git a/src/dynarmic/src/dynarmic/common/type_util.h b/src/dynarmic/src/dynarmic/common/type_util.h
index 7bc7e08281..8c9e0101d0 100644
--- a/src/dynarmic/src/dynarmic/common/type_util.h
+++ b/src/dynarmic/src/dynarmic/common/type_util.h
@@ -1,3 +1,6 @@
+// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
 /* This file is part of the dynarmic project.
  * Copyright (c) 2018 MerryMage
  * SPDX-License-Identifier: 0BSD