diff --git a/uefi-macros/src/lib.rs b/uefi-macros/src/lib.rs
index ad4649241..eaf329dad 100644
--- a/uefi-macros/src/lib.rs
+++ b/uefi-macros/src/lib.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 #![recursion_limit = "128"]
 
 extern crate proc_macro;
diff --git a/uefi-macros/tests/compilation.rs b/uefi-macros/tests/compilation.rs
index 1d65132d8..cb3716ccc 100644
--- a/uefi-macros/tests/compilation.rs
+++ b/uefi-macros/tests/compilation.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 #[test]
 fn ui() {
     let t = trybuild::TestCases::new();
diff --git a/uefi-raw/src/capsule.rs b/uefi-raw/src/capsule.rs
index 38183058c..8951e671c 100644
--- a/uefi-raw/src/capsule.rs
+++ b/uefi-raw/src/capsule.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! UEFI update capsules.
 //!
 //! Capsules are used to pass information to the firmware, for example to
diff --git a/uefi-raw/src/enums.rs b/uefi-raw/src/enums.rs
index ebebc4482..049e827d0 100644
--- a/uefi-raw/src/enums.rs
+++ b/uefi-raw/src/enums.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This module provides tooling that facilitates dealing with C-style enums
 //!
 //! C-style enums and Rust-style enums are quite different. There are things
diff --git a/uefi-raw/src/firmware_storage.rs b/uefi-raw/src/firmware_storage.rs
index 85dbe98a4..03e320062 100644
--- a/uefi-raw/src/firmware_storage.rs
+++ b/uefi-raw/src/firmware_storage.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Types related to firmware storage.
 
 use crate::Guid;
diff --git a/uefi-raw/src/lib.rs b/uefi-raw/src/lib.rs
index 78d320bfc..3476382d6 100644
--- a/uefi-raw/src/lib.rs
+++ b/uefi-raw/src/lib.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Raw interface for working with UEFI.
 //!
 //! This crate is intended for implementing UEFI services. It is also used for
diff --git a/uefi-raw/src/protocol/block.rs b/uefi-raw/src/protocol/block.rs
index e688aebdf..e374a748a 100644
--- a/uefi-raw/src/protocol/block.rs
+++ b/uefi-raw/src/protocol/block.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Guid, Status};
 use core::ffi::c_void;
 
diff --git a/uefi-raw/src/protocol/console.rs b/uefi-raw/src/protocol/console.rs
index 441b3c2ca..194ea3de2 100644
--- a/uefi-raw/src/protocol/console.rs
+++ b/uefi-raw/src/protocol/console.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 pub mod serial;
 
 use crate::{guid, Char16, Event, Guid, PhysicalAddress, Status};
diff --git a/uefi-raw/src/protocol/console/serial.rs b/uefi-raw/src/protocol/console/serial.rs
index 8a8fb9adb..0050f209a 100644
--- a/uefi-raw/src/protocol/console/serial.rs
+++ b/uefi-raw/src/protocol/console/serial.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Guid, Status};
 use bitflags::bitflags;
 
diff --git a/uefi-raw/src/protocol/device_path.rs b/uefi-raw/src/protocol/device_path.rs
index a6c2addd0..194945f65 100644
--- a/uefi-raw/src/protocol/device_path.rs
+++ b/uefi-raw/src/protocol/device_path.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 mod device_path_gen;
 
 use crate::{guid, Char16, Guid};
diff --git a/uefi-raw/src/protocol/device_path/device_path_gen.rs b/uefi-raw/src/protocol/device_path/device_path_gen.rs
index 33c6dc4b0..9914779c4 100644
--- a/uefi-raw/src/protocol/device_path/device_path_gen.rs
+++ b/uefi-raw/src/protocol/device_path/device_path_gen.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // DO NOT EDIT
 //
 // This file was automatically generated with:
diff --git a/uefi-raw/src/protocol/disk.rs b/uefi-raw/src/protocol/disk.rs
index 2f2c398c3..8bad9dc16 100644
--- a/uefi-raw/src/protocol/disk.rs
+++ b/uefi-raw/src/protocol/disk.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Event, Guid, Status};
 use core::ffi::c_void;
 
diff --git a/uefi-raw/src/protocol/driver.rs b/uefi-raw/src/protocol/driver.rs
index f474c3299..9e16d7890 100644
--- a/uefi-raw/src/protocol/driver.rs
+++ b/uefi-raw/src/protocol/driver.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::protocol::device_path::DevicePathProtocol;
 use crate::{guid, Guid, Handle, Status};
 
diff --git a/uefi-raw/src/protocol/file_system.rs b/uefi-raw/src/protocol/file_system.rs
index a8b1367fb..4d6b09716 100644
--- a/uefi-raw/src/protocol/file_system.rs
+++ b/uefi-raw/src/protocol/file_system.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::time::Time;
 use crate::{guid, Char16, Event, Guid, Status};
 use bitflags::bitflags;
diff --git a/uefi-raw/src/protocol/firmware_volume.rs b/uefi-raw/src/protocol/firmware_volume.rs
index 374e4912a..2dfd98916 100644
--- a/uefi-raw/src/protocol/firmware_volume.rs
+++ b/uefi-raw/src/protocol/firmware_volume.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::firmware_storage::FirmwareVolumeAttributes;
 use crate::protocol::block::Lba;
 use crate::{guid, Guid, Handle, PhysicalAddress, Status};
diff --git a/uefi-raw/src/protocol/hii/database.rs b/uefi-raw/src/protocol/hii/database.rs
index db112a255..054f81e54 100644
--- a/uefi-raw/src/protocol/hii/database.rs
+++ b/uefi-raw/src/protocol/hii/database.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Bindings for HII Database Protocol
 
 use super::{HiiHandle, HiiPackageHeader, HiiPackageListHeader, KeyDescriptor};
diff --git a/uefi-raw/src/protocol/hii/mod.rs b/uefi-raw/src/protocol/hii/mod.rs
index 5b93dd001..a224364f2 100644
--- a/uefi-raw/src/protocol/hii/mod.rs
+++ b/uefi-raw/src/protocol/hii/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! HII Protocols
 
 pub mod database;
diff --git a/uefi-raw/src/protocol/loaded_image.rs b/uefi-raw/src/protocol/loaded_image.rs
index a91e37a67..7ba4ada6a 100644
--- a/uefi-raw/src/protocol/loaded_image.rs
+++ b/uefi-raw/src/protocol/loaded_image.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::protocol::device_path::DevicePathProtocol;
 use crate::table::boot::MemoryType;
 use crate::table::system::SystemTable;
diff --git a/uefi-raw/src/protocol/media.rs b/uefi-raw/src/protocol/media.rs
index ceff445c0..25b9044bd 100644
--- a/uefi-raw/src/protocol/media.rs
+++ b/uefi-raw/src/protocol/media.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::protocol::device_path::DevicePathProtocol;
 use crate::{guid, Guid, Status};
 use core::ffi::c_void;
diff --git a/uefi-raw/src/protocol/memory_protection.rs b/uefi-raw/src/protocol/memory_protection.rs
index 1bc408351..8e3198990 100644
--- a/uefi-raw/src/protocol/memory_protection.rs
+++ b/uefi-raw/src/protocol/memory_protection.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::table::boot::MemoryAttribute;
 use crate::{guid, Guid, PhysicalAddress, Status};
 
diff --git a/uefi-raw/src/protocol/misc.rs b/uefi-raw/src/protocol/misc.rs
index 0147fce87..a6048c471 100644
--- a/uefi-raw/src/protocol/misc.rs
+++ b/uefi-raw/src/protocol/misc.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::table::runtime;
 use crate::{guid, Guid, Status};
 
diff --git a/uefi-raw/src/protocol/mod.rs b/uefi-raw/src/protocol/mod.rs
index 5181a8f07..7f322a075 100644
--- a/uefi-raw/src/protocol/mod.rs
+++ b/uefi-raw/src/protocol/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Protocol definitions.
 //!
 //! Protocols are sets of related functionality identified by a unique
diff --git a/uefi-raw/src/protocol/network/dhcp4.rs b/uefi-raw/src/protocol/network/dhcp4.rs
index 7ff96833c..a759f6a39 100644
--- a/uefi-raw/src/protocol/network/dhcp4.rs
+++ b/uefi-raw/src/protocol/network/dhcp4.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Char8, Event, Guid, Ipv4Address, MacAddress, Status};
 use core::ffi::c_void;
 
diff --git a/uefi-raw/src/protocol/network/http.rs b/uefi-raw/src/protocol/network/http.rs
index d3b1a8442..56ee9cfef 100644
--- a/uefi-raw/src/protocol/network/http.rs
+++ b/uefi-raw/src/protocol/network/http.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Char16, Char8, Event, Guid, Ipv4Address, Ipv6Address, Status};
 use core::ffi::c_void;
 use core::fmt::{self, Debug, Formatter};
diff --git a/uefi-raw/src/protocol/network/ip4.rs b/uefi-raw/src/protocol/network/ip4.rs
index 30c3f8644..88fb04d65 100644
--- a/uefi-raw/src/protocol/network/ip4.rs
+++ b/uefi-raw/src/protocol/network/ip4.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::Ipv4Address;
 
 #[derive(Copy, Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
diff --git a/uefi-raw/src/protocol/network/ip4_config2.rs b/uefi-raw/src/protocol/network/ip4_config2.rs
index 80a1c2c93..41f334b05 100644
--- a/uefi-raw/src/protocol/network/ip4_config2.rs
+++ b/uefi-raw/src/protocol/network/ip4_config2.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::protocol::network::ip4::Ip4RouteTable;
 use crate::{guid, Char16, Event, Guid, Ipv4Address, MacAddress, Status};
 use core::ffi::c_void;
diff --git a/uefi-raw/src/protocol/network/mod.rs b/uefi-raw/src/protocol/network/mod.rs
index 71d577d4e..beda45832 100644
--- a/uefi-raw/src/protocol/network/mod.rs
+++ b/uefi-raw/src/protocol/network/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 pub mod dhcp4;
 pub mod http;
 pub mod ip4;
diff --git a/uefi-raw/src/protocol/network/tls.rs b/uefi-raw/src/protocol/network/tls.rs
index decb6b3ad..905c57b48 100644
--- a/uefi-raw/src/protocol/network/tls.rs
+++ b/uefi-raw/src/protocol/network/tls.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Guid, Status};
 use core::ffi::c_void;
 
diff --git a/uefi-raw/src/protocol/rng.rs b/uefi-raw/src/protocol/rng.rs
index f051d82ef..b1efc5489 100644
--- a/uefi-raw/src/protocol/rng.rs
+++ b/uefi-raw/src/protocol/rng.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! `Rng` protocol.
 
 use crate::{guid, Guid, Status};
diff --git a/uefi-raw/src/protocol/scsi.rs b/uefi-raw/src/protocol/scsi.rs
index d12cb3b18..923259cf7 100644
--- a/uefi-raw/src/protocol/scsi.rs
+++ b/uefi-raw/src/protocol/scsi.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Event, Guid, Status};
 use core::ffi::c_void;
 
diff --git a/uefi-raw/src/protocol/shell_params.rs b/uefi-raw/src/protocol/shell_params.rs
index a47137a33..70671a748 100644
--- a/uefi-raw/src/protocol/shell_params.rs
+++ b/uefi-raw/src/protocol/shell_params.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Char16, Guid};
 use core::ffi::c_void;
 
diff --git a/uefi-raw/src/protocol/string.rs b/uefi-raw/src/protocol/string.rs
index 7189e8acf..9c792d4fd 100644
--- a/uefi-raw/src/protocol/string.rs
+++ b/uefi-raw/src/protocol/string.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{guid, Char16, Char8, Guid};
 
 #[derive(Debug)]
diff --git a/uefi-raw/src/protocol/tcg.rs b/uefi-raw/src/protocol/tcg.rs
index 4912ab049..fae7f246f 100644
--- a/uefi-raw/src/protocol/tcg.rs
+++ b/uefi-raw/src/protocol/tcg.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! [TCG] (Trusted Computing Group) protocols.
 //!
 //! These protocols provide access to the [TPM][tpm] (Trusted Platform Module).
diff --git a/uefi-raw/src/protocol/tcg/enums.rs b/uefi-raw/src/protocol/tcg/enums.rs
index e421f6ea3..98ee8bcaa 100644
--- a/uefi-raw/src/protocol/tcg/enums.rs
+++ b/uefi-raw/src/protocol/tcg/enums.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 newtype_enum! {
     /// Algorithm identifiers.
     ///
diff --git a/uefi-raw/src/protocol/tcg/v1.rs b/uefi-raw/src/protocol/tcg/v1.rs
index 540e5fcde..32bcb3b96 100644
--- a/uefi-raw/src/protocol/tcg/v1.rs
+++ b/uefi-raw/src/protocol/tcg/v1.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! [TCG] (Trusted Computing Group) protocol for [TPM] (Trusted Platform
 //! Module) 1.1 and 1.2.
 //!
diff --git a/uefi-raw/src/protocol/tcg/v2.rs b/uefi-raw/src/protocol/tcg/v2.rs
index 67d1fb8c4..7021ffccb 100644
--- a/uefi-raw/src/protocol/tcg/v2.rs
+++ b/uefi-raw/src/protocol/tcg/v2.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! [TCG] (Trusted Computing Group) protocol for [TPM] (Trusted Platform
 //! Module) 2.0.
 //!
diff --git a/uefi-raw/src/status.rs b/uefi-raw/src/status.rs
index 7fa13df8f..58c71d8f9 100644
--- a/uefi-raw/src/status.rs
+++ b/uefi-raw/src/status.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use core::fmt::Debug;
 
 newtype_enum! {
diff --git a/uefi-raw/src/table/boot.rs b/uefi-raw/src/table/boot.rs
index c20705b3f..1acb62d3a 100644
--- a/uefi-raw/src/table/boot.rs
+++ b/uefi-raw/src/table/boot.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! UEFI services available during boot.
 
 use crate::protocol::device_path::DevicePathProtocol;
diff --git a/uefi-raw/src/table/configuration.rs b/uefi-raw/src/table/configuration.rs
index 6e3f16817..5f423eade 100644
--- a/uefi-raw/src/table/configuration.rs
+++ b/uefi-raw/src/table/configuration.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::Guid;
 use core::ffi::c_void;
 
diff --git a/uefi-raw/src/table/header.rs b/uefi-raw/src/table/header.rs
index bc0fbe21b..9c9f48191 100644
--- a/uefi-raw/src/table/header.rs
+++ b/uefi-raw/src/table/header.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::Revision;
 
 /// The common header that all UEFI tables begin with.
diff --git a/uefi-raw/src/table/mod.rs b/uefi-raw/src/table/mod.rs
index 162fb5d59..3eaa29bc2 100644
--- a/uefi-raw/src/table/mod.rs
+++ b/uefi-raw/src/table/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Standard UEFI tables.
 
 mod header;
diff --git a/uefi-raw/src/table/revision.rs b/uefi-raw/src/table/revision.rs
index d3dc0d7c5..9014e9469 100644
--- a/uefi-raw/src/table/revision.rs
+++ b/uefi-raw/src/table/revision.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use core::fmt;
 
 /// A revision of the UEFI specification.
diff --git a/uefi-raw/src/table/runtime.rs b/uefi-raw/src/table/runtime.rs
index 69daa0f23..91f30ec5b 100644
--- a/uefi-raw/src/table/runtime.rs
+++ b/uefi-raw/src/table/runtime.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! UEFI services available at runtime, even after the OS boots.
 
 use crate::capsule::CapsuleHeader;
diff --git a/uefi-raw/src/table/system.rs b/uefi-raw/src/table/system.rs
index 3d68451fc..d25df1f0d 100644
--- a/uefi-raw/src/table/system.rs
+++ b/uefi-raw/src/table/system.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::protocol::console::{SimpleTextInputProtocol, SimpleTextOutputProtocol};
 use crate::table::boot::BootServices;
 use crate::table::configuration::ConfigurationTable;
diff --git a/uefi-raw/src/time.rs b/uefi-raw/src/time.rs
index f16325283..9eacc3370 100644
--- a/uefi-raw/src/time.rs
+++ b/uefi-raw/src/time.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Date and time types.
 
 use bitflags::bitflags;
diff --git a/uefi-test-runner/examples/hello_world.rs b/uefi-test-runner/examples/hello_world.rs
index 769eb3556..ea9ede3fd 100644
--- a/uefi-test-runner/examples/hello_world.rs
+++ b/uefi-test-runner/examples/hello_world.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // ANCHOR: all
 // ANCHOR: features
 #![no_main]
diff --git a/uefi-test-runner/examples/loaded_image.rs b/uefi-test-runner/examples/loaded_image.rs
index bb9e5f0c7..6e89c9a7b 100644
--- a/uefi-test-runner/examples/loaded_image.rs
+++ b/uefi-test-runner/examples/loaded_image.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // ANCHOR: all
 #![no_main]
 #![no_std]
diff --git a/uefi-test-runner/examples/shell_params.rs b/uefi-test-runner/examples/shell_params.rs
index 14aad1035..e4e030d43 100644
--- a/uefi-test-runner/examples/shell_params.rs
+++ b/uefi-test-runner/examples/shell_params.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // ANCHOR: all
 // ANCHOR: features
 #![no_main]
diff --git a/uefi-test-runner/examples/sierpinski.rs b/uefi-test-runner/examples/sierpinski.rs
index 530a19bb2..92a7b7450 100644
--- a/uefi-test-runner/examples/sierpinski.rs
+++ b/uefi-test-runner/examples/sierpinski.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // ANCHOR: all
 #![no_main]
 #![no_std]
diff --git a/uefi-test-runner/examples/timestamp.rs b/uefi-test-runner/examples/timestamp.rs
index 88cb53add..1de78e0dc 100644
--- a/uefi-test-runner/examples/timestamp.rs
+++ b/uefi-test-runner/examples/timestamp.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // ANCHOR: all
 // ANCHOR: features
 #![no_main]
diff --git a/uefi-test-runner/src/bin/shell_launcher.rs b/uefi-test-runner/src/bin/shell_launcher.rs
index a087293ad..edd8aa89b 100644
--- a/uefi-test-runner/src/bin/shell_launcher.rs
+++ b/uefi-test-runner/src/bin/shell_launcher.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This application launches the UEFI shell app and runs the main
 //! uefi-test-running app inside that shell. This allows testing of protocols
 //! that require the shell.
diff --git a/uefi-test-runner/src/boot/memory.rs b/uefi-test-runner/src/boot/memory.rs
index 2856bdaa1..9dfb9b23b 100644
--- a/uefi-test-runner/src/boot/memory.rs
+++ b/uefi-test-runner/src/boot/memory.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use alloc::vec::Vec;
 use uefi::boot::{self, AllocateType};
 use uefi::mem::memory_map::{MemoryMap, MemoryMapMut, MemoryType};
diff --git a/uefi-test-runner/src/boot/misc.rs b/uefi-test-runner/src/boot/misc.rs
index 7514fa5ea..11f41bdae 100644
--- a/uefi-test-runner/src/boot/misc.rs
+++ b/uefi-test-runner/src/boot/misc.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use core::ffi::c_void;
 use core::ptr::{self, NonNull};
 
diff --git a/uefi-test-runner/src/boot/mod.rs b/uefi-test-runner/src/boot/mod.rs
index 26a04581d..7fbbaccfd 100644
--- a/uefi-test-runner/src/boot/mod.rs
+++ b/uefi-test-runner/src/boot/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use alloc::string::ToString;
 use uefi::boot::{LoadImageSource, SearchType};
 use uefi::fs::FileSystem;
diff --git a/uefi-test-runner/src/fs/mod.rs b/uefi-test-runner/src/fs/mod.rs
index 04b1bfa2b..c487912ed 100644
--- a/uefi-test-runner/src/fs/mod.rs
+++ b/uefi-test-runner/src/fs/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Tests functionality from the `uefi::fs` module. See function [`test`].
 
 use alloc::string::{String, ToString};
diff --git a/uefi-test-runner/src/main.rs b/uefi-test-runner/src/main.rs
index 43c7a3d21..bcbbb0f8e 100644
--- a/uefi-test-runner/src/main.rs
+++ b/uefi-test-runner/src/main.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 #![no_std]
 #![no_main]
 
diff --git a/uefi-test-runner/src/proto/console/gop.rs b/uefi-test-runner/src/proto/console/gop.rs
index 8731f9894..6e490cec6 100644
--- a/uefi-test-runner/src/proto/console/gop.rs
+++ b/uefi-test-runner/src/proto/console/gop.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{send_request_to_host, HostRequest};
 use uefi::boot::{self, OpenProtocolAttributes, OpenProtocolParams};
 use uefi::proto::console::gop::{BltOp, BltPixel, FrameBuffer, GraphicsOutput, PixelFormat};
diff --git a/uefi-test-runner/src/proto/console/mod.rs b/uefi-test-runner/src/proto/console/mod.rs
index 2f16ac679..7587b87c8 100644
--- a/uefi-test-runner/src/proto/console/mod.rs
+++ b/uefi-test-runner/src/proto/console/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::prelude::*;
 
 pub fn test() {
diff --git a/uefi-test-runner/src/proto/console/pointer.rs b/uefi-test-runner/src/proto/console/pointer.rs
index fce0ab578..c0463b531 100644
--- a/uefi-test-runner/src/proto/console/pointer.rs
+++ b/uefi-test-runner/src/proto/console/pointer.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::boot;
 use uefi::proto::console::pointer::Pointer;
 
diff --git a/uefi-test-runner/src/proto/console/serial.rs b/uefi-test-runner/src/proto/console/serial.rs
index be20e0064..e7ecf8b0b 100644
--- a/uefi-test-runner/src/proto/console/serial.rs
+++ b/uefi-test-runner/src/proto/console/serial.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::reconnect_serial_to_console;
 use uefi::proto::console::serial::{ControlBits, Serial};
 use uefi::{boot, Result, ResultExt, Status};
diff --git a/uefi-test-runner/src/proto/console/stdout.rs b/uefi-test-runner/src/proto/console/stdout.rs
index 8f5b88c64..43277f311 100644
--- a/uefi-test-runner/src/proto/console/stdout.rs
+++ b/uefi-test-runner/src/proto/console/stdout.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::prelude::*;
 use uefi::proto::console::text::{Color, Output};
 
diff --git a/uefi-test-runner/src/proto/debug.rs b/uefi-test-runner/src/proto/debug.rs
index 7f542f5b3..74ae9256f 100644
--- a/uefi-test-runner/src/proto/debug.rs
+++ b/uefi-test-runner/src/proto/debug.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use alloc::vec::Vec;
 use core::ffi::c_void;
 use uefi::boot;
diff --git a/uefi-test-runner/src/proto/device_path.rs b/uefi-test-runner/src/proto/device_path.rs
index 25e6b8357..0620dfd79 100644
--- a/uefi-test-runner/src/proto/device_path.rs
+++ b/uefi-test-runner/src/proto/device_path.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use alloc::boxed::Box;
 use alloc::vec::Vec;
 use uefi::proto::device_path::build::{self, DevicePathBuilder};
diff --git a/uefi-test-runner/src/proto/driver.rs b/uefi-test-runner/src/proto/driver.rs
index 8ee3858fb..c5ce96ccd 100644
--- a/uefi-test-runner/src/proto/driver.rs
+++ b/uefi-test-runner/src/proto/driver.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::boot::{self, ScopedProtocol, SearchType};
 use uefi::prelude::*;
 use uefi::proto::driver::{ComponentName, ComponentName2, LanguageError, LanguageIter};
diff --git a/uefi-test-runner/src/proto/load.rs b/uefi-test-runner/src/proto/load.rs
index 928e6abd1..98583d26e 100644
--- a/uefi-test-runner/src/proto/load.rs
+++ b/uefi-test-runner/src/proto/load.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use alloc::boxed::Box;
 use alloc::string::{String, ToString};
 use alloc::vec::Vec;
diff --git a/uefi-test-runner/src/proto/loaded_image.rs b/uefi-test-runner/src/proto/loaded_image.rs
index c192bb5f3..dce79763d 100644
--- a/uefi-test-runner/src/proto/loaded_image.rs
+++ b/uefi-test-runner/src/proto/loaded_image.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::prelude::*;
 use uefi::proto::loaded_image::LoadedImage;
 
diff --git a/uefi-test-runner/src/proto/media.rs b/uefi-test-runner/src/proto/media.rs
index 85863a787..ebe9ff577 100644
--- a/uefi-test-runner/src/proto/media.rs
+++ b/uefi-test-runner/src/proto/media.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use alloc::string::ToString;
 use core::cell::RefCell;
 use core::ptr::NonNull;
diff --git a/uefi-test-runner/src/proto/misc.rs b/uefi-test-runner/src/proto/misc.rs
index 55419be92..3f411448a 100644
--- a/uefi-test-runner/src/proto/misc.rs
+++ b/uefi-test-runner/src/proto/misc.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::prelude::*;
 use uefi::proto::misc::ResetNotification;
 use uefi::runtime::ResetType;
diff --git a/uefi-test-runner/src/proto/mod.rs b/uefi-test-runner/src/proto/mod.rs
index 747b9d33b..e39b525fd 100644
--- a/uefi-test-runner/src/proto/mod.rs
+++ b/uefi-test-runner/src/proto/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::boot::{self, OpenProtocolParams};
 use uefi::proto::loaded_image::LoadedImage;
 use uefi::{proto, Identify};
diff --git a/uefi-test-runner/src/proto/network/mod.rs b/uefi-test-runner/src/proto/network/mod.rs
index 17731a342..1789c3783 100644
--- a/uefi-test-runner/src/proto/network/mod.rs
+++ b/uefi-test-runner/src/proto/network/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 pub fn test() {
     info!("Testing Network protocols");
 
diff --git a/uefi-test-runner/src/proto/network/pxe.rs b/uefi-test-runner/src/proto/network/pxe.rs
index 726dc77f8..5ae82f56f 100644
--- a/uefi-test-runner/src/proto/network/pxe.rs
+++ b/uefi-test-runner/src/proto/network/pxe.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::proto::network::pxe::{BaseCode, DhcpV4Packet, IpFilter, IpFilters, UdpOpFlags};
 use uefi::proto::network::IpAddress;
 use uefi::{boot, CStr8};
diff --git a/uefi-test-runner/src/proto/network/snp.rs b/uefi-test-runner/src/proto/network/snp.rs
index a552a8033..5229ce833 100644
--- a/uefi-test-runner/src/proto/network/snp.rs
+++ b/uefi-test-runner/src/proto/network/snp.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::proto::network::snp::{InterruptStatus, ReceiveFlags, SimpleNetwork};
 use uefi::proto::network::MacAddress;
 use uefi::{boot, Status};
diff --git a/uefi-test-runner/src/proto/pi/mod.rs b/uefi-test-runner/src/proto/pi/mod.rs
index 3b0637176..fc0e97409 100644
--- a/uefi-test-runner/src/proto/pi/mod.rs
+++ b/uefi-test-runner/src/proto/pi/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 pub fn test() {
     info!("Testing Platform Initialization protocols");
 
diff --git a/uefi-test-runner/src/proto/pi/mp.rs b/uefi-test-runner/src/proto/pi/mp.rs
index f1ddb7741..3872851c5 100644
--- a/uefi-test-runner/src/proto/pi/mp.rs
+++ b/uefi-test-runner/src/proto/pi/mp.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use core::ffi::c_void;
 use core::ptr;
 use core::sync::atomic::{AtomicUsize, Ordering};
diff --git a/uefi-test-runner/src/proto/rng.rs b/uefi-test-runner/src/proto/rng.rs
index 4eb7a414d..5f38ff8ef 100644
--- a/uefi-test-runner/src/proto/rng.rs
+++ b/uefi-test-runner/src/proto/rng.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::boot;
 use uefi::proto::rng::{Rng, RngAlgorithmType};
 
diff --git a/uefi-test-runner/src/proto/shell_params.rs b/uefi-test-runner/src/proto/shell_params.rs
index 6e2a2697f..8825da212 100644
--- a/uefi-test-runner/src/proto/shell_params.rs
+++ b/uefi-test-runner/src/proto/shell_params.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::boot;
 use uefi::proto::shell_params::ShellParameters;
 
diff --git a/uefi-test-runner/src/proto/shim.rs b/uefi-test-runner/src/proto/shim.rs
index a4d7a3523..336889fd7 100644
--- a/uefi-test-runner/src/proto/shim.rs
+++ b/uefi-test-runner/src/proto/shim.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::boot;
 use uefi::proto::shim::ShimLock;
 
diff --git a/uefi-test-runner/src/proto/string/mod.rs b/uefi-test-runner/src/proto/string/mod.rs
index b98b34218..edba5f540 100644
--- a/uefi-test-runner/src/proto/string/mod.rs
+++ b/uefi-test-runner/src/proto/string/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 pub fn test() {
     info!("Testing String protocols");
 
diff --git a/uefi-test-runner/src/proto/string/unicode_collation.rs b/uefi-test-runner/src/proto/string/unicode_collation.rs
index 4670c15c0..73de65808 100644
--- a/uefi-test-runner/src/proto/string/unicode_collation.rs
+++ b/uefi-test-runner/src/proto/string/unicode_collation.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use core::cmp::Ordering;
 use uefi::proto::string::unicode_collation::{StrConversionError, UnicodeCollation};
 use uefi::{boot, CStr16, CStr8};
diff --git a/uefi-test-runner/src/proto/tcg.rs b/uefi-test-runner/src/proto/tcg.rs
index 55bf3e359..26959ae1d 100644
--- a/uefi-test-runner/src/proto/tcg.rs
+++ b/uefi-test-runner/src/proto/tcg.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use alloc::vec::Vec;
 use uefi::boot;
 use uefi::proto::tcg::{v1, v2, AlgorithmId, EventType, HashAlgorithm, PcrIndex};
diff --git a/uefi-test-runner/src/runtime/mod.rs b/uefi-test-runner/src/runtime/mod.rs
index 7b233ab3c..a27d40b35 100644
--- a/uefi-test-runner/src/runtime/mod.rs
+++ b/uefi-test-runner/src/runtime/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 mod vars;
 
 use uefi::runtime::{self, Daylight, Time, TimeParams};
diff --git a/uefi-test-runner/src/runtime/vars.rs b/uefi-test-runner/src/runtime/vars.rs
index d46a8f978..062884212 100644
--- a/uefi-test-runner/src/runtime/vars.rs
+++ b/uefi-test-runner/src/runtime/vars.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use log::info;
 use uefi::prelude::*;
 use uefi::runtime::{VariableAttributes, VariableVendor};
diff --git a/uefi/src/allocator.rs b/uefi/src/allocator.rs
index e29d9fdae..223943609 100644
--- a/uefi/src/allocator.rs
+++ b/uefi/src/allocator.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This module implements Rust's global allocator interface using UEFI's memory allocation functions.
 //!
 //! If the `global_allocator` feature is enabled, the [`Allocator`] will be used
diff --git a/uefi/src/boot.rs b/uefi/src/boot.rs
index 4b5c880f5..2f87ae5cc 100644
--- a/uefi/src/boot.rs
+++ b/uefi/src/boot.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! UEFI boot services.
 //!
 //! These functions will panic if called after exiting boot services.
diff --git a/uefi/src/data_types/chars.rs b/uefi/src/data_types/chars.rs
index 08ce168c0..9db9f14b2 100644
--- a/uefi/src/data_types/chars.rs
+++ b/uefi/src/data_types/chars.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! UEFI character handling
 //!
 //! UEFI uses both Latin-1 and UCS-2 character encoding, this module implements
diff --git a/uefi/src/data_types/guid.rs b/uefi/src/data_types/guid.rs
index 6fe695737..cdf85a5b6 100644
--- a/uefi/src/data_types/guid.rs
+++ b/uefi/src/data_types/guid.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 pub use uguid::Guid;
 
 /// Several entities in the UEFI specification can be referred to by their GUID,
diff --git a/uefi/src/data_types/mod.rs b/uefi/src/data_types/mod.rs
index b178d3d6a..2c94b2062 100644
--- a/uefi/src/data_types/mod.rs
+++ b/uefi/src/data_types/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Data type definitions
 //!
 //! This module defines the basic data types that are used throughout uefi-rs
diff --git a/uefi/src/data_types/opaque.rs b/uefi/src/data_types/opaque.rs
index 91aad10aa..de1cde610 100644
--- a/uefi/src/data_types/opaque.rs
+++ b/uefi/src/data_types/opaque.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 /// Create an opaque struct suitable for use as an FFI pointer.
 ///
 /// The internal representation uses the recommendation in the [nomicon].
diff --git a/uefi/src/data_types/owned_strs.rs b/uefi/src/data_types/owned_strs.rs
index 856b0511a..8e01749b4 100644
--- a/uefi/src/data_types/owned_strs.rs
+++ b/uefi/src/data_types/owned_strs.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::chars::{Char16, NUL_16};
 use super::strs::{CStr16, FromSliceWithNulError};
 use crate::data_types::strs::EqStrUntilNul;
diff --git a/uefi/src/data_types/strs.rs b/uefi/src/data_types/strs.rs
index 705639aa9..60c3578f5 100644
--- a/uefi/src/data_types/strs.rs
+++ b/uefi/src/data_types/strs.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::chars::{Char16, Char8, NUL_16, NUL_8};
 use super::UnalignedSlice;
 use crate::polyfill::maybe_uninit_slice_assume_init_ref;
diff --git a/uefi/src/data_types/unaligned_slice.rs b/uefi/src/data_types/unaligned_slice.rs
index a43c3e61b..56a0655a1 100644
--- a/uefi/src/data_types/unaligned_slice.rs
+++ b/uefi/src/data_types/unaligned_slice.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use core::fmt::{self, Debug, Formatter};
 use core::marker::PhantomData;
 use core::mem::MaybeUninit;
diff --git a/uefi/src/fs/dir_entry_iter.rs b/uefi/src/fs/dir_entry_iter.rs
index dc82477a9..4e4a437de 100644
--- a/uefi/src/fs/dir_entry_iter.rs
+++ b/uefi/src/fs/dir_entry_iter.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Module for directory iteration. See [`UefiDirectoryIter`].
 
 use super::*;
diff --git a/uefi/src/fs/file_system/error.rs b/uefi/src/fs/file_system/error.rs
index 08b5f6d44..5c2b92a80 100644
--- a/uefi/src/fs/file_system/error.rs
+++ b/uefi/src/fs/file_system/error.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::fs::{PathBuf, PathError};
 use alloc::string::FromUtf8Error;
 use core::fmt::{self, Debug, Display, Formatter};
diff --git a/uefi/src/fs/file_system/fs.rs b/uefi/src/fs/file_system/fs.rs
index f3bdbc7ae..0a2261870 100644
--- a/uefi/src/fs/file_system/fs.rs
+++ b/uefi/src/fs/file_system/fs.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Module for [`FileSystem`].
 
 use crate::fs::*;
diff --git a/uefi/src/fs/file_system/mod.rs b/uefi/src/fs/file_system/mod.rs
index 3a2b9738e..dcdd8bc7b 100644
--- a/uefi/src/fs/file_system/mod.rs
+++ b/uefi/src/fs/file_system/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 mod error;
 mod fs;
 
diff --git a/uefi/src/fs/mod.rs b/uefi/src/fs/mod.rs
index 22df15f04..70a2ca13c 100644
--- a/uefi/src/fs/mod.rs
+++ b/uefi/src/fs/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! A high-level file system API for UEFI applications close to the `std::fs`
 //! module from Rust's standard library. The main export of this module is
 //! [`FileSystem`].
diff --git a/uefi/src/fs/path/mod.rs b/uefi/src/fs/path/mod.rs
index 3e1edb9a8..ab2bf33ac 100644
--- a/uefi/src/fs/path/mod.rs
+++ b/uefi/src/fs/path/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This module offers the [`Path`] and [`PathBuf`] abstractions.
 //!
 //! # Interoperability with Rust strings
diff --git a/uefi/src/fs/path/path.rs b/uefi/src/fs/path/path.rs
index 1a6f0043b..4caa71a2f 100644
--- a/uefi/src/fs/path/path.rs
+++ b/uefi/src/fs/path/path.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // allow "path.rs" in "path"
 #![allow(clippy::module_inception)]
 
diff --git a/uefi/src/fs/path/pathbuf.rs b/uefi/src/fs/path/pathbuf.rs
index de81441da..22df40b70 100644
--- a/uefi/src/fs/path/pathbuf.rs
+++ b/uefi/src/fs/path/pathbuf.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::fs::path::Path;
 use crate::fs::SEPARATOR;
 use crate::{CStr16, CString16, Char16};
diff --git a/uefi/src/fs/path/validation.rs b/uefi/src/fs/path/validation.rs
index 225b2d0f6..6230dcbe1 100644
--- a/uefi/src/fs/path/validation.rs
+++ b/uefi/src/fs/path/validation.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Path validation for the purpose of the [`fs`] module. This is decoupled from
 //! [`Path`] and [`PathBuf`], as the Rust standard library also does it this
 //! way. Instead, the FS implementation is responsible for that.
diff --git a/uefi/src/fs/uefi_types.rs b/uefi/src/fs/uefi_types.rs
index 456ff9934..9ff50f5f0 100644
--- a/uefi/src/fs/uefi_types.rs
+++ b/uefi/src/fs/uefi_types.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Re-export of low-level UEFI types but prefixed with `Uefi`. This simplifies
 //! to differ between high-level and low-level types and interfaces in this
 //! module.
diff --git a/uefi/src/helpers/global_allocator.rs b/uefi/src/helpers/global_allocator.rs
index 4ca5bdd06..97db8f9e9 100644
--- a/uefi/src/helpers/global_allocator.rs
+++ b/uefi/src/helpers/global_allocator.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::allocator::Allocator;
 
 #[global_allocator]
diff --git a/uefi/src/helpers/logger.rs b/uefi/src/helpers/logger.rs
index 0f1ef4837..ea03813a5 100644
--- a/uefi/src/helpers/logger.rs
+++ b/uefi/src/helpers/logger.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This optional feature adds support for the `log` crate, providing
 //! a custom logger implementation which writes to a UEFI text output protocol.
 //!
diff --git a/uefi/src/helpers/mod.rs b/uefi/src/helpers/mod.rs
index dbd3b513c..9028f354b 100644
--- a/uefi/src/helpers/mod.rs
+++ b/uefi/src/helpers/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This module provides miscellaneous opinionated but optional helpers to
 //! better integrate your application with the Rust runtime and the Rust
 //! ecosystem.
diff --git a/uefi/src/helpers/panic_handler.rs b/uefi/src/helpers/panic_handler.rs
index 79359b726..52bf7cde7 100644
--- a/uefi/src/helpers/panic_handler.rs
+++ b/uefi/src/helpers/panic_handler.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{boot, println};
 use cfg_if::cfg_if;
 
diff --git a/uefi/src/helpers/println.rs b/uefi/src/helpers/println.rs
index 35972f415..a55b09fe4 100644
--- a/uefi/src/helpers/println.rs
+++ b/uefi/src/helpers/println.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::{boot, system};
 use core::fmt::Write;
 
diff --git a/uefi/src/lib.rs b/uefi/src/lib.rs
index 6ce68cfcb..155988c8e 100644
--- a/uefi/src/lib.rs
+++ b/uefi/src/lib.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Rusty wrapper for the [Unified Extensible Firmware Interface][UEFI].
 //!
 //! This crate makes it easy to develop Rust software that leverages **safe**,
diff --git a/uefi/src/macros.rs b/uefi/src/macros.rs
index 5bb2f7b79..6b777407d 100644
--- a/uefi/src/macros.rs
+++ b/uefi/src/macros.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 /// Encode a string literal as a [`&CStr8`].
 ///
 /// The encoding is done at compile time, so the result can be used in a
diff --git a/uefi/src/mem/memory_map/api.rs b/uefi/src/mem/memory_map/api.rs
index 960967d48..2ae014403 100644
--- a/uefi/src/mem/memory_map/api.rs
+++ b/uefi/src/mem/memory_map/api.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Module for the traits [`MemoryMap`] and [`MemoryMapMut`].
 
 use super::*;
diff --git a/uefi/src/mem/memory_map/impl_.rs b/uefi/src/mem/memory_map/impl_.rs
index 9d60e50a4..23e0917e1 100644
--- a/uefi/src/mem/memory_map/impl_.rs
+++ b/uefi/src/mem/memory_map/impl_.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Module for [`MemoryMapOwned`], [`MemoryMapRef`], and [`MemoryMapRefMut`],
 //! as well as relevant helper types, such as [`MemoryMapBackingMemory`].
 
diff --git a/uefi/src/mem/memory_map/iter.rs b/uefi/src/mem/memory_map/iter.rs
index 049b52ddd..0530366a7 100644
--- a/uefi/src/mem/memory_map/iter.rs
+++ b/uefi/src/mem/memory_map/iter.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::*;
 
 /// An iterator for [`MemoryMap`].
diff --git a/uefi/src/mem/memory_map/mod.rs b/uefi/src/mem/memory_map/mod.rs
index 9fead2f6f..b9297b0ee 100644
--- a/uefi/src/mem/memory_map/mod.rs
+++ b/uefi/src/mem/memory_map/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Bundles all relevant types and helpers to work with the UEFI memory map.
 //!
 //! To work with the memory map, you should use one of the structs
diff --git a/uefi/src/mem/mod.rs b/uefi/src/mem/mod.rs
index 220dc9b5b..9bd4f7f77 100644
--- a/uefi/src/mem/mod.rs
+++ b/uefi/src/mem/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Types, functions, traits, and other helpers to work with memory in UEFI
 //! libraries and applications.
 
diff --git a/uefi/src/mem/util.rs b/uefi/src/mem/util.rs
index 6df38d916..2f380c251 100644
--- a/uefi/src/mem/util.rs
+++ b/uefi/src/mem/util.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This is a utility module with helper methods for allocations/memory.
 
 use crate::data_types::Align;
diff --git a/uefi/src/polyfill.rs b/uefi/src/polyfill.rs
index 3b43a6da3..132075592 100644
--- a/uefi/src/polyfill.rs
+++ b/uefi/src/polyfill.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Polyfills for functions in the standard library that are currently gated
 //! behind unstable features.
 
diff --git a/uefi/src/prelude.rs b/uefi/src/prelude.rs
index 655b6fa39..bf5b9127a 100644
--- a/uefi/src/prelude.rs
+++ b/uefi/src/prelude.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This module is used to simplify importing the most common UEFI types.
 //!
 //! This includes the system table modules, `Status` codes, etc.
diff --git a/uefi/src/proto/boot_policy.rs b/uefi/src/proto/boot_policy.rs
index 27627b19d..0cbd7cc45 100644
--- a/uefi/src/proto/boot_policy.rs
+++ b/uefi/src/proto/boot_policy.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Module for the [`BootPolicy`] helper type.
 
 use core::fmt::{Display, Formatter};
diff --git a/uefi/src/proto/console/gop.rs b/uefi/src/proto/console/gop.rs
index 0e20d6c07..7f3a51de3 100644
--- a/uefi/src/proto/console/gop.rs
+++ b/uefi/src/proto/console/gop.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Graphics output protocol.
 //!
 //! The UEFI GOP is meant to replace existing [VGA][vga] hardware interfaces.
diff --git a/uefi/src/proto/console/mod.rs b/uefi/src/proto/console/mod.rs
index 636eb77b4..b44baa21b 100644
--- a/uefi/src/proto/console/mod.rs
+++ b/uefi/src/proto/console/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Console support protocols.
 //!
 //! The console represents the various input and output methods
diff --git a/uefi/src/proto/console/pointer/mod.rs b/uefi/src/proto/console/pointer/mod.rs
index 7d5ca335c..8320fe7ea 100644
--- a/uefi/src/proto/console/pointer/mod.rs
+++ b/uefi/src/proto/console/pointer/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Pointer device access.
 
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/console/serial.rs b/uefi/src/proto/console/serial.rs
index de52944de..a41f74a5d 100644
--- a/uefi/src/proto/console/serial.rs
+++ b/uefi/src/proto/console/serial.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Abstraction over byte stream devices, also known as serial I/O devices.
 
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/console/text/input.rs b/uefi/src/proto/console/text/input.rs
index 622e44bb3..09543bbae 100644
--- a/uefi/src/proto/console/text/input.rs
+++ b/uefi/src/proto/console/text/input.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::proto::unsafe_protocol;
 use crate::{Char16, Event, Result, Status, StatusExt};
 use core::mem::MaybeUninit;
diff --git a/uefi/src/proto/console/text/mod.rs b/uefi/src/proto/console/text/mod.rs
index 089575fce..29eb321b0 100644
--- a/uefi/src/proto/console/text/mod.rs
+++ b/uefi/src/proto/console/text/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Text I/O.
 
 mod input;
diff --git a/uefi/src/proto/console/text/output.rs b/uefi/src/proto/console/text/output.rs
index cb59aa3b6..da657a6d7 100644
--- a/uefi/src/proto/console/text/output.rs
+++ b/uefi/src/proto/console/text/output.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::proto::unsafe_protocol;
 use crate::{CStr16, Result, ResultExt, Status, StatusExt};
 use core::fmt;
diff --git a/uefi/src/proto/debug/context.rs b/uefi/src/proto/debug/context.rs
index d8b55f644..69d23a657 100644
--- a/uefi/src/proto/debug/context.rs
+++ b/uefi/src/proto/debug/context.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // note from the spec:
 // When the context record field is larger than the register being stored in it, the upper bits of the
 // context record field are unused and ignored
diff --git a/uefi/src/proto/debug/exception.rs b/uefi/src/proto/debug/exception.rs
index 93e79cfbf..114cf601b 100644
--- a/uefi/src/proto/debug/exception.rs
+++ b/uefi/src/proto/debug/exception.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 /// Represents supported CPU exceptions.
 #[repr(C)]
 #[derive(Debug)]
diff --git a/uefi/src/proto/debug/mod.rs b/uefi/src/proto/debug/mod.rs
index f2321889a..cfb0f90c9 100644
--- a/uefi/src/proto/debug/mod.rs
+++ b/uefi/src/proto/debug/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Provides support for the UEFI debugging protocol.
 //!
 //! This protocol is designed to allow debuggers to query the state of the firmware,
diff --git a/uefi/src/proto/device_path/build.rs b/uefi/src/proto/device_path/build.rs
index 7d9bef313..f0d19e4f1 100644
--- a/uefi/src/proto/device_path/build.rs
+++ b/uefi/src/proto/device_path/build.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Utilities for creating new [`DevicePaths`].
 //!
 //! This module contains [`DevicePathBuilder`], as well as submodules
diff --git a/uefi/src/proto/device_path/device_path_gen.rs b/uefi/src/proto/device_path/device_path_gen.rs
index 10d19ebba..8154da885 100644
--- a/uefi/src/proto/device_path/device_path_gen.rs
+++ b/uefi/src/proto/device_path/device_path_gen.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // DO NOT EDIT
 //
 // This file was automatically generated with:
diff --git a/uefi/src/proto/device_path/mod.rs b/uefi/src/proto/device_path/mod.rs
index cb65e9bc1..f95d8315c 100644
--- a/uefi/src/proto/device_path/mod.rs
+++ b/uefi/src/proto/device_path/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Device Path protocol
 //!
 //! A UEFI device path is a very flexible structure for encoding a
diff --git a/uefi/src/proto/device_path/text.rs b/uefi/src/proto/device_path/text.rs
index 9e920be93..c0aa3b6a5 100644
--- a/uefi/src/proto/device_path/text.rs
+++ b/uefi/src/proto/device_path/text.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Protocols for converting between UEFI strings and [`DevicePath`]/[`DevicePathNode`].
 
 // Note on return types: the specification of the conversion functions
diff --git a/uefi/src/proto/driver/component_name.rs b/uefi/src/proto/driver/component_name.rs
index f24b5fd75..1e948eeb0 100644
--- a/uefi/src/proto/driver/component_name.rs
+++ b/uefi/src/proto/driver/component_name.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // This module defines the `ComponentName1` type and marks it deprecated. That
 // causes warnings for uses within this module (e.g. the `impl ComponentName1`
 // block), so turn off deprecated warnings. It's not yet possible to make this
diff --git a/uefi/src/proto/driver/mod.rs b/uefi/src/proto/driver/mod.rs
index ec629ca3c..b66711826 100644
--- a/uefi/src/proto/driver/mod.rs
+++ b/uefi/src/proto/driver/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! UEFI driver model protocols.
 
 mod component_name;
diff --git a/uefi/src/proto/loaded_image.rs b/uefi/src/proto/loaded_image.rs
index ace4c7dba..02cfa1871 100644
--- a/uefi/src/proto/loaded_image.rs
+++ b/uefi/src/proto/loaded_image.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! `LoadedImage` protocol.
 
 use crate::data_types::FromSliceWithNulError;
diff --git a/uefi/src/proto/media/block.rs b/uefi/src/proto/media/block.rs
index db216ae1f..cee47ab18 100644
--- a/uefi/src/proto/media/block.rs
+++ b/uefi/src/proto/media/block.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Block I/O protocols.
 
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/media/disk.rs b/uefi/src/proto/media/disk.rs
index c25fe7662..a7043987b 100644
--- a/uefi/src/proto/media/disk.rs
+++ b/uefi/src/proto/media/disk.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Disk I/O protocols.
 
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/media/file/dir.rs b/uefi/src/proto/media/file/dir.rs
index 9ab3b49c2..e7623aa7a 100644
--- a/uefi/src/proto/media/file/dir.rs
+++ b/uefi/src/proto/media/file/dir.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::{File, FileHandle, FileInfo, FromUefi, RegularFile};
 use crate::data_types::Align;
 use crate::Result;
diff --git a/uefi/src/proto/media/file/info.rs b/uefi/src/proto/media/file/info.rs
index 73ccc5937..d8c2c6d6a 100644
--- a/uefi/src/proto/media/file/info.rs
+++ b/uefi/src/proto/media/file/info.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::FileAttribute;
 use crate::data_types::Align;
 use crate::runtime::Time;
diff --git a/uefi/src/proto/media/file/mod.rs b/uefi/src/proto/media/file/mod.rs
index 44f8273f2..fdf657327 100644
--- a/uefi/src/proto/media/file/mod.rs
+++ b/uefi/src/proto/media/file/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! This module provides the `FileHandle` structure as well as the more specific `RegularFile` and
 //! `Directory` structures. This module also provides the `File` trait for opening, querying,
 //! creating, reading, and writing files.
diff --git a/uefi/src/proto/media/file/regular.rs b/uefi/src/proto/media/file/regular.rs
index 1656b9006..40226dedc 100644
--- a/uefi/src/proto/media/file/regular.rs
+++ b/uefi/src/proto/media/file/regular.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::{File, FileHandle, FileInternal};
 use crate::{Error, Result, Status, StatusExt};
 
diff --git a/uefi/src/proto/media/fs.rs b/uefi/src/proto/media/fs.rs
index 7d2c0ee5d..1941d4ef1 100644
--- a/uefi/src/proto/media/fs.rs
+++ b/uefi/src/proto/media/fs.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! File system support protocols.
 
 use super::file::{Directory, FileHandle};
diff --git a/uefi/src/proto/media/load_file.rs b/uefi/src/proto/media/load_file.rs
index 6f5d74634..e01c699cd 100644
--- a/uefi/src/proto/media/load_file.rs
+++ b/uefi/src/proto/media/load_file.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! LoadFile and LoadFile2 protocols.
 
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/media/mod.rs b/uefi/src/proto/media/mod.rs
index cd1473a73..579cec25c 100644
--- a/uefi/src/proto/media/mod.rs
+++ b/uefi/src/proto/media/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Media access protocols.
 //!
 //! These protocols can be used to enumerate and access various media devices.
diff --git a/uefi/src/proto/media/partition.rs b/uefi/src/proto/media/partition.rs
index c2b368a9c..99f1c774e 100644
--- a/uefi/src/proto/media/partition.rs
+++ b/uefi/src/proto/media/partition.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Partition information protocol.
 
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/misc.rs b/uefi/src/proto/misc.rs
index e329aff8e..0ccff0729 100644
--- a/uefi/src/proto/misc.rs
+++ b/uefi/src/proto/misc.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Miscellaneous protocols.
 
 use uefi_raw::protocol::misc::{
diff --git a/uefi/src/proto/mod.rs b/uefi/src/proto/mod.rs
index c317d282c..5738908c2 100644
--- a/uefi/src/proto/mod.rs
+++ b/uefi/src/proto/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Protocol definitions.
 //!
 //! Protocols are sets of related functionality identified by a unique
diff --git a/uefi/src/proto/network/mod.rs b/uefi/src/proto/network/mod.rs
index 0ef7f04bd..31e596ce8 100644
--- a/uefi/src/proto/network/mod.rs
+++ b/uefi/src/proto/network/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Network access protocols.
 //!
 //! These protocols can be used to interact with network resources.
diff --git a/uefi/src/proto/network/pxe.rs b/uefi/src/proto/network/pxe.rs
index af1ac42dd..07c6db47c 100644
--- a/uefi/src/proto/network/pxe.rs
+++ b/uefi/src/proto/network/pxe.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! PXE Base Code protocol.
 
 use core::ffi::c_void;
diff --git a/uefi/src/proto/network/snp.rs b/uefi/src/proto/network/snp.rs
index a12f2e498..f1dbe3aab 100644
--- a/uefi/src/proto/network/snp.rs
+++ b/uefi/src/proto/network/snp.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Simple Network Protocol
 //!
 //! Provides a packet level interface to a network adapter.
diff --git a/uefi/src/proto/pi/mod.rs b/uefi/src/proto/pi/mod.rs
index a45e55ba6..7ae58ac3d 100644
--- a/uefi/src/proto/pi/mod.rs
+++ b/uefi/src/proto/pi/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Platform Initialization protocols.
 //!
 //! Contains protocols defined in UEFI's
diff --git a/uefi/src/proto/pi/mp.rs b/uefi/src/proto/pi/mp.rs
index 8fcfde94c..80de66c80 100644
--- a/uefi/src/proto/pi/mp.rs
+++ b/uefi/src/proto/pi/mp.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Multi-processor management protocols.
 //!
 //! On any system with more than one logical processor we can categorize them as:
diff --git a/uefi/src/proto/rng.rs b/uefi/src/proto/rng.rs
index 3a50854e7..18254bc2f 100644
--- a/uefi/src/proto/rng.rs
+++ b/uefi/src/proto/rng.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! `Rng` protocol.
 
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/security/memory_protection.rs b/uefi/src/proto/security/memory_protection.rs
index df7fb000b..3481195b8 100644
--- a/uefi/src/proto/security/memory_protection.rs
+++ b/uefi/src/proto/security/memory_protection.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::data_types::PhysicalAddress;
 use crate::mem::memory_map::MemoryAttribute;
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/security/mod.rs b/uefi/src/proto/security/mod.rs
index f4ac1de18..cbe208c6a 100644
--- a/uefi/src/proto/security/mod.rs
+++ b/uefi/src/proto/security/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Protocols related to secure technologies.
 
 mod memory_protection;
diff --git a/uefi/src/proto/shell_params.rs b/uefi/src/proto/shell_params.rs
index b0aaec81c..2d4d60209 100644
--- a/uefi/src/proto/shell_params.rs
+++ b/uefi/src/proto/shell_params.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! `ShellParams` protocol
 
 use crate::proto::unsafe_protocol;
diff --git a/uefi/src/proto/shim/mod.rs b/uefi/src/proto/shim/mod.rs
index e3d771ad1..fcde92af8 100644
--- a/uefi/src/proto/shim/mod.rs
+++ b/uefi/src/proto/shim/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Shim lock protocol.
 
 #![cfg(any(
diff --git a/uefi/src/proto/string/mod.rs b/uefi/src/proto/string/mod.rs
index 82506324e..8d24b26bc 100644
--- a/uefi/src/proto/string/mod.rs
+++ b/uefi/src/proto/string/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! String protocols.
 //!
 //! The protocols provide some string operations like
diff --git a/uefi/src/proto/string/unicode_collation.rs b/uefi/src/proto/string/unicode_collation.rs
index dae70448f..0836298f6 100644
--- a/uefi/src/proto/string/unicode_collation.rs
+++ b/uefi/src/proto/string/unicode_collation.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! The Unicode Collation Protocol.
 //!
 //! This protocol is used in the boot services environment to perform
diff --git a/uefi/src/proto/tcg/mod.rs b/uefi/src/proto/tcg/mod.rs
index 82a3f8639..8d1f6595e 100644
--- a/uefi/src/proto/tcg/mod.rs
+++ b/uefi/src/proto/tcg/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! [TCG] (Trusted Computing Group) protocols.
 //!
 //! These protocols provide access to the [TPM][tpm] (Trusted Platform Module).
diff --git a/uefi/src/proto/tcg/v1.rs b/uefi/src/proto/tcg/v1.rs
index 341106560..db8f13f85 100644
--- a/uefi/src/proto/tcg/v1.rs
+++ b/uefi/src/proto/tcg/v1.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! [TCG] (Trusted Computing Group) protocol for [TPM] (Trusted Platform
 //! Module) 1.1 and 1.2.
 //!
diff --git a/uefi/src/proto/tcg/v2.rs b/uefi/src/proto/tcg/v2.rs
index e427ed7ec..306993891 100644
--- a/uefi/src/proto/tcg/v2.rs
+++ b/uefi/src/proto/tcg/v2.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! [TCG] (Trusted Computing Group) protocol for [TPM] (Trusted Platform
 //! Module) 2.0.
 //!
diff --git a/uefi/src/result/error.rs b/uefi/src/result/error.rs
index a19fb5352..e321df2c0 100644
--- a/uefi/src/result/error.rs
+++ b/uefi/src/result/error.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Module for UEFI-specific error encodings. See [`Error`].
 
 use super::Status;
diff --git a/uefi/src/result/mod.rs b/uefi/src/result/mod.rs
index a66fca1a8..bffa86abe 100644
--- a/uefi/src/result/mod.rs
+++ b/uefi/src/result/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Facilities for dealing with UEFI operation results.
 
 use core::fmt::Debug;
diff --git a/uefi/src/result/status.rs b/uefi/src/result/status.rs
index 808208bb0..a1ea354b6 100644
--- a/uefi/src/result/status.rs
+++ b/uefi/src/result/status.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::{Error, Result};
 use core::fmt::Debug;
 
diff --git a/uefi/src/runtime.rs b/uefi/src/runtime.rs
index 429aafd25..a61dee296 100644
--- a/uefi/src/runtime.rs
+++ b/uefi/src/runtime.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! UEFI runtime services.
 //!
 //! These services are available both before and after exiting boot
diff --git a/uefi/src/system.rs b/uefi/src/system.rs
index 1d19f4f72..cdfcc81bd 100644
--- a/uefi/src/system.rs
+++ b/uefi/src/system.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Functions for accessing fields of the system table.
 //!
 //! Some of these functions use a callback argument rather than returning a
diff --git a/uefi/src/table/cfg.rs b/uefi/src/table/cfg.rs
index c6f19df94..bbeebe456 100644
--- a/uefi/src/table/cfg.rs
+++ b/uefi/src/table/cfg.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Configuration table utilities.
 //!
 //! The configuration table is an array of GUIDs and pointers to extra system tables.
diff --git a/uefi/src/table/header.rs b/uefi/src/table/header.rs
index af449fe4d..8c759d023 100644
--- a/uefi/src/table/header.rs
+++ b/uefi/src/table/header.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::Revision;
 
 /// All standard UEFI tables begin with a common header.
diff --git a/uefi/src/table/mod.rs b/uefi/src/table/mod.rs
index 57f4d7c6a..462f4ab1e 100644
--- a/uefi/src/table/mod.rs
+++ b/uefi/src/table/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Standard UEFI tables.
 
 pub mod cfg;
diff --git a/uefi/src/util.rs b/uefi/src/util.rs
index 1c3202d17..8119383e3 100644
--- a/uefi/src/util.rs
+++ b/uefi/src/util.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use core::ptr::{self, NonNull};
 
 /// Copy the bytes of `val` to `ptr`, then advance pointer to just after the
diff --git a/uefi/tests/memory_map.rs b/uefi/tests/memory_map.rs
index 0d7be6191..ea510f603 100644
--- a/uefi/tests/memory_map.rs
+++ b/uefi/tests/memory_map.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use uefi::mem::memory_map::*;
 
 /// This test imitates a kernel that receives the UEFI memory map as boot
diff --git a/xtask/src/arch.rs b/xtask/src/arch.rs
index 1cada508e..9bb0bb16e 100644
--- a/xtask/src/arch.rs
+++ b/xtask/src/arch.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use std::fmt;
 
 #[derive(Clone, Copy, Debug, Eq, PartialEq, clap::ValueEnum)]
diff --git a/xtask/src/cargo.rs b/xtask/src/cargo.rs
index bca199a8c..3b815508f 100644
--- a/xtask/src/cargo.rs
+++ b/xtask/src/cargo.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::arch::UefiArch;
 use anyhow::{bail, Result};
 use std::env;
diff --git a/xtask/src/check_raw.rs b/xtask/src/check_raw.rs
index b6887afc6..42180470e 100644
--- a/xtask/src/check_raw.rs
+++ b/xtask/src/check_raw.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Validate various properties of the code in the `uefi-raw` package.
 //!
 //! For example, this checks that no Rust enums are used, that structs have an
diff --git a/xtask/src/device_path/field.rs b/xtask/src/device_path/field.rs
index 68ca79616..2406e4b0a 100644
--- a/xtask/src/device_path/field.rs
+++ b/xtask/src/device_path/field.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::device_path::util::is_doc_attr;
 use proc_macro2::{Span, TokenStream};
 use quote::{quote, ToTokens, TokenStreamExt};
diff --git a/xtask/src/device_path/group.rs b/xtask/src/device_path/group.rs
index 576a7540a..b4767edd1 100644
--- a/xtask/src/device_path/group.rs
+++ b/xtask/src/device_path/group.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::node::{is_node_attr, Node};
 use heck::ToUpperCamelCase;
 use proc_macro2::{Span, TokenStream};
diff --git a/xtask/src/device_path/mod.rs b/xtask/src/device_path/mod.rs
index 02bc8e732..b03fa5e03 100644
--- a/xtask/src/device_path/mod.rs
+++ b/xtask/src/device_path/mod.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 mod field;
 mod group;
 mod node;
@@ -24,7 +26,8 @@ fn code_to_string(code: TokenStream) -> Result<String> {
     let code = code.to_string().replace('}', "}\n\n");
 
     let output = format!(
-        "
+        "// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // DO NOT EDIT
 //
 // This file was automatically generated with:
diff --git a/xtask/src/device_path/node.rs b/xtask/src/device_path/node.rs
index 1b11e7036..263b08689 100644
--- a/xtask/src/device_path/node.rs
+++ b/xtask/src/device_path/node.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use super::field::NodeField;
 use super::group::DeviceType;
 use crate::device_path::util::is_doc_attr;
diff --git a/xtask/src/device_path/spec.rs b/xtask/src/device_path/spec.rs
index 4b59ac99c..f5ed7ac53 100644
--- a/xtask/src/device_path/spec.rs
+++ b/xtask/src/device_path/spec.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 // See the README in this directory for details of what this file is.
 //
 // The nodes here are in the same order as in the UEFI Specification.
diff --git a/xtask/src/device_path/util.rs b/xtask/src/device_path/util.rs
index 7acf5d49d..297c48dac 100644
--- a/xtask/src/device_path/util.rs
+++ b/xtask/src/device_path/util.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use anyhow::{bail, Context, Result};
 use std::io::Write;
 use std::process::{Command, Stdio};
diff --git a/xtask/src/disk.rs b/xtask/src/disk.rs
index bf4fb47d8..753f091be 100644
--- a/xtask/src/disk.rs
+++ b/xtask/src/disk.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use anyhow::Result;
 use fatfs::{Date, DateTime, FileSystem, FormatVolumeOptions, FsOptions, Time};
 use mbrman::{MBRPartitionEntry, BOOT_INACTIVE, CHS, MBR};
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 9d3763cf9..91e288eb9 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 mod arch;
 mod cargo;
 mod check_raw;
@@ -233,6 +235,24 @@ fn run_host_tests(test_opt: &TestOpt) -> Result<()> {
 fn run_fmt_project(fmt_opt: &FmtOpt) -> Result<()> {
     let mut any_errors = false;
 
+    {
+        eprintln!("Formatting: file headers");
+
+        match format_file_headers(fmt_opt) {
+            Ok(_) => {
+                eprintln!("✅ expected file headers present")
+            }
+            Err(e) => {
+                if fmt_opt.check {
+                    eprintln!("❌ {e:#?}");
+                } else {
+                    eprintln!("❌ rust formatter failed: {e:#?}");
+                }
+                any_errors = true;
+            }
+        }
+    }
+
     // fmt rust
     {
         eprintln!("Formatting: rust");
@@ -323,6 +343,67 @@ fn run_fmt_project(fmt_opt: &FmtOpt) -> Result<()> {
     Ok(())
 }
 
+/// Check that SPDX file headers are present.
+///
+/// If not in check mode, add any missing headers.
+fn format_file_headers(fmt_opt: &FmtOpt) -> Result<()> {
+    const EXPECTED_HEADER: &str = "// SPDX-License-Identifier: MIT OR Apache-2.0\n\n";
+
+    // Path prefixes that should not be checked/formatted.
+    const EXCLUDE_PATH_PREFIXES: &[&str] = &[
+        // A user copying the template or uefi-std-example does not need to use
+        // our license.
+        "template/src/main.rs",
+        "uefi-std-example/src/main.rs",
+        // This directory contains short code snippets used in `trybuild` tests,
+        // no license needed.
+        "uefi-macros/tests/ui/",
+    ];
+
+    // Recursively get Rust files
+    let mut cmd = Command::new("git");
+    cmd.args(["ls-files", "*.rs"]);
+    let output = cmd.output()?;
+    if !output.status.success() {
+        bail!("command failed: {}", output.status);
+    }
+    let mut paths: Vec<&str> = std::str::from_utf8(&output.stdout)?.lines().collect();
+
+    // Filter out excluded paths.
+    paths.retain(|path| {
+        !EXCLUDE_PATH_PREFIXES
+            .iter()
+            .any(|prefix| path.starts_with(prefix))
+    });
+
+    // Paths that are missing the file header (only used in check mode).
+    let mut missing = Vec::new();
+
+    // Format or check each path.
+    for path in paths {
+        let text = fs_err::read_to_string(path)?;
+        if text.starts_with(EXPECTED_HEADER) {
+            // File header is present, nothing to do.
+            continue;
+        }
+
+        if fmt_opt.check {
+            // Add to the list of paths missing file headers.
+            missing.push(path);
+        } else {
+            // Rewrite the file to prepend the header.
+            let text = EXPECTED_HEADER.to_owned() + &text;
+            fs_err::write(path, text)?;
+        }
+    }
+
+    if fmt_opt.check && !missing.is_empty() {
+        bail!("expected header missing from {}", missing.join(", "));
+    }
+
+    Ok(())
+}
+
 fn has_cmd(target_cmd: &str) -> bool {
     #[cfg(target_os = "windows")]
     let mut cmd = Command::new("where");
diff --git a/xtask/src/net.rs b/xtask/src/net.rs
index 089bf5c6e..50772f2db 100644
--- a/xtask/src/net.rs
+++ b/xtask/src/net.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use std::net::UdpSocket;
 use std::sync::{Arc, Mutex};
 use std::thread::{self, JoinHandle};
diff --git a/xtask/src/opt.rs b/xtask/src/opt.rs
index aa41bd5d4..191cb3d73 100644
--- a/xtask/src/opt.rs
+++ b/xtask/src/opt.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::arch::UefiArch;
 use clap::{Parser, Subcommand, ValueEnum};
 use std::ops::Deref;
diff --git a/xtask/src/pipe.rs b/xtask/src/pipe.rs
index 4d1524793..94faed1f6 100644
--- a/xtask/src/pipe.rs
+++ b/xtask/src/pipe.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::platform;
 use crate::qemu::Io;
 use anyhow::Result;
diff --git a/xtask/src/platform.rs b/xtask/src/platform.rs
index c00a72d6a..1af1d0439 100644
--- a/xtask/src/platform.rs
+++ b/xtask/src/platform.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 //! Functions to determine the host platform.
 //!
 //! Use the functions where possible instead of `#[cfg(...)]` so that
diff --git a/xtask/src/qemu.rs b/xtask/src/qemu.rs
index beb4f5374..ee6d18161 100644
--- a/xtask/src/qemu.rs
+++ b/xtask/src/qemu.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::arch::UefiArch;
 use crate::disk::{check_mbr_test_disk, create_mbr_test_disk};
 use crate::opt::QemuOpt;
diff --git a/xtask/src/tpm.rs b/xtask/src/tpm.rs
index fdfda9f74..02ae842df 100644
--- a/xtask/src/tpm.rs
+++ b/xtask/src/tpm.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use crate::opt::TpmVersion;
 use crate::util::command_to_string;
 use anyhow::Result;
diff --git a/xtask/src/util.rs b/xtask/src/util.rs
index 86a2da63b..4b6a970b8 100644
--- a/xtask/src/util.rs
+++ b/xtask/src/util.rs
@@ -1,3 +1,5 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
 use anyhow::{bail, Result};
 use std::process::Command;