diff --git a/README.rst b/README.rst
index ad45b97..3ef6bda 100644
--- a/README.rst
+++ b/README.rst
@@ -18,6 +18,7 @@ Projects
 + ``pio/``: `PlatformIO <https://platformio.org/>`_ projects
 + ``practical_prolog/``: `The Practice of Prolog <https://mitpress.mit.edu/books/practice-prolog>`_
 + ``qc/``: Quantum computing experiments
++ ``rust-os/``: working through writing an OS in Rust
 + ``uc/``: `Understanding Computation <http://computationbook.com/>`_
 
 Related
diff --git a/rust-os/README.md b/rust-os/README.md
new file mode 100644
index 0000000..d6625b6
--- /dev/null
+++ b/rust-os/README.md
@@ -0,0 +1,4 @@
+rust-os
+=======
+
+Following along with [Writing an OS in Rust (Second Edition)](https://os.phil-opp.com/).
diff --git a/rust-os/bareos/Cargo.lock b/rust-os/bareos/Cargo.lock
new file mode 100644
index 0000000..e23e4b9
--- /dev/null
+++ b/rust-os/bareos/Cargo.lock
@@ -0,0 +1,4 @@
+[[package]]
+name = "bareos"
+version = "0.1.0"
+
diff --git a/rust-os/bareos/Cargo.toml b/rust-os/bareos/Cargo.toml
new file mode 100644
index 0000000..bed0000
--- /dev/null
+++ b/rust-os/bareos/Cargo.toml
@@ -0,0 +1,12 @@
+[package]
+name = "bareos"
+version = "0.1.0"
+authors = ["Kyle Isom <kyle@imap.cc>"]
+
+[profile.dev]
+panic = "abort"
+
+[profile.release]
+panic = "abort"
+
+[dependencies]
diff --git a/rust-os/bareos/src/main.rs b/rust-os/bareos/src/main.rs
new file mode 100644
index 0000000..4a15ecb
--- /dev/null
+++ b/rust-os/bareos/src/main.rs
@@ -0,0 +1,16 @@
+#![feature(panic_implementation)]
+#![no_std]
+#![no_main]
+
+use core::panic::PanicInfo;
+
+#[panic_implementation]
+#[no_mangle]
+pub fn panic(_info: &PanicInfo) -> ! {
+    loop {}
+}
+
+#[no_mangle]
+pub extern "C" fn _start() -> ! {
+    loop {}
+}