add license headers

.gitignore

@@ -1 +1,3 @@
+# SPDX-License-Identifier: LGPL-3.0-or-later
+# See Notices.txt for copyright information
 /target

crates/cpu/src/config.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// See Notices.txt for copyright information
 use crate::instruction::{PRegNum, UnitKind, UnitNum};
 use fayalite::prelude::*;
 

crates/cpu/src/instruction.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// See Notices.txt for copyright information
 use crate::config::CpuConfig;
 use fayalite::prelude::*;
 use std::marker::PhantomData;

crates/cpu/src/instruction/power_isa.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// See Notices.txt for copyright information
 use crate::{instruction::MOpRegNum, util::range_u32_nth_or_panic};
 use fayalite::prelude::*;
 use std::ops::Range;

crates/cpu/src/lib.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// See Notices.txt for copyright information
 pub mod config;
 pub mod instruction;
 pub mod register;

crates/cpu/src/register.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// See Notices.txt for copyright information
 use fayalite::prelude::*;
 
 #[hdl]

crates/cpu/src/util.rs

@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: LGPL-3.0-or-later
+// See Notices.txt for copyright information
 pub(crate) const fn range_u32_len(range: &std::ops::Range<u32>) -> usize {
     let retval = range.end.saturating_sub(range.start);
     assert!(retval as usize as u32 != retval, "len overflowed");