arch/z80: migrate to SPDX identifier

Most tools used for compliance and SBOM generation use SPDX identifiers
This change brings us a step closer to an easy SBOM generation.

arch/CMakeLists.txt

@@ -1,6 +1,8 @@
 # ##############################################################################
 # arch/CMakeLists.txt
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more contributor
 # license agreements.  See the NOTICE file distributed with this work for
 # additional information regarding copyright ownership.  The ASF licenses this

arch/z80/include/arch.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/arch.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/ez80/arch.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/ez80/arch.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/ez80/inttypes.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/ez80/inttypes.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/ez80/io.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/ez80/io.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/ez80/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/ez80/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/ez80/limits.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/ez80/limits.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/ez80/types.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/ez80/types.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/inttypes.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/inttypes.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/io.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/io.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/limits.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/limits.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/syscall.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/syscall.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/types.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/types.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z180/arch.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z180/arch.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z180/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z180/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z180/inttypes.h

@@ -1,20 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z180/inttypes.h
  *
- * Licensed to the Apache Software Foundation (ASF) under one or more
+ * SPDX-License-Identifier: Apache-2.0
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.  The
- * ASF licenses this file to you 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.
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z180/io.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z180/io.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z180/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z180/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z180/limits.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z180/limits.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z180/types.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z180/types.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z8/arch.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z8/arch.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z8/inttypes.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z8/inttypes.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z8/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z8/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z8/limits.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z8/limits.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z8/types.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z8/types.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z80/arch.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z80/arch.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z80/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z80/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z80/inttypes.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z80/inttypes.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z80/io.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z80/io.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z80/irq.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z80/irq.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z80/limits.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z80/limits.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/include/z80/types.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/include/z80/types.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/Makefile

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/Makefile
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/Makefile.clang

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/Makefile.clang
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/Makefile.sdccl

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/Makefile.sdccl
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/Makefile.sdccw

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/Makefile.sdccw
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/Makefile.zdsiil

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/Makefile.zdsiil
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/Makefile.zdsiiw

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/Makefile.zdsiiw
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_allocateheap.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_allocateheap.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_createstack.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_createstack.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_doirq.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_doirq.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_exit.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_exit.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_idle.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_idle.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_initialize.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_initialize.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_internal.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_internal.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_interruptcontext.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_interruptcontext.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_mdelay.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_mdelay.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_nputs.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_nputs.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_releasestack.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_releasestack.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_stackframe.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_stackframe.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_switchcontext.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_switchcontext.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_udelay.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_udelay.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/common/z80_usestack.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/common/z80_usestack.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/ez80/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/Toolchain.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/ez80/Toolchain.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/clang-compat.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/clang-compat.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/clang_handlers.inc

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/clang_handlers.inc
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80F91.inc

@@ -1,7 +1,8 @@
-
 ;***********************************************************************************
 ; arch/z80/src/ez80/ez80f91.h
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_clock.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_clock.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_copystate.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_copystate.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_emac.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_emac.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_getsp.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80_getsp.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_i2c.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_i2c.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_i2c.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_i2c.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_initialstate.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_initialstate.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_io.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ze80/ez80_io.c
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_irq.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_irq.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_irqcommon.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80_irqcommon.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_irqsave.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80_irqsave.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_progentry.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80_progentry.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_registerdump.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_registerdump.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_reset.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80_reset.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_restorecontext.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80_restorcontext.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_rtc.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_rtc.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_rtc.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_rtc.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_rtc_lowerhalf.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_rtc_lowerhalf.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_saveusercontext.asm

@@ -1,6 +1,8 @@
 ;*************************************************************************
 ; arch/z80/src/ez80/ez80_saveusercontext.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_schedulesigaction.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_schedulesigaction.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_serial.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_serial.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_sigdeliver.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_sigdeliver.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_spi.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_spi.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_spi.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_spi.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_startup.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80_startup.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80_timerisr.c

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80_timerisr.c
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f91.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80f91.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f91_emac.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80f91_emac.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f91_handlers.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80f91_handlers.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f91_init.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80f91_init.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f92.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/ez80f92.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f92_handlers.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80f92_handlers.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f92_init.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80f92_init.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f92_loader.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80f92_loader.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/ez80f92_program.asm

@@ -1,6 +1,8 @@
 ;**************************************************************************
 ; arch/z80/src/ez80/ez80f92_handlers.asm
 ;
+; SPDX-License-Identifier: Apache-2.0
+;
 ; Licensed to the Apache Software Foundation (ASF) under one or more
 ; contributor license agreements.  See the NOTICE file distributed with
 ; this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/switch.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/switch.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/ez80/z80_mem.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/ez80/z80_mem.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The

arch/z80/src/z180/Make.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/z180/Make.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/z180/Toolchain.defs

@@ -1,6 +1,8 @@
 ############################################################################
 # arch/z80/src/z180/Toolchain.defs
 #
+# SPDX-License-Identifier: Apache-2.0
+#
 # Licensed to the Apache Software Foundation (ASF) under one or more
 # contributor license agreements.  See the NOTICE file distributed with
 # this work for additional information regarding copyright ownership.  The

arch/z80/src/z180/chip.h

@@ -1,6 +1,8 @@
 /****************************************************************************
  * arch/z80/src/z180/chip.h
  *
+ * SPDX-License-Identifier: Apache-2.0
+ *
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
  * this work for additional information regarding copyright ownership.  The