Added more readings

README.md

@@ -3,6 +3,14 @@ created: 2024-05-13T14:28:49-05:00
 modified: 2024-05-13T14:28:52-05:00
 ---
 
-Started here: https://www.meyerzinn.tech/posts/2023/03/05/running-rust-code-on-risc-v-in-qemu/
+# Reading list
 
-Then here: https://www.meyerzinn.tech/posts/2023/03/08/p1-printing-and-allocating/
+## Beginner tutorial
+- https://www.meyerzinn.tech/posts/2023/03/05/running-rust-code-on-risc-v-in-qemu/
+- https://www.meyerzinn.tech/posts/2023/03/08/p1-printing-and-allocating/
+
+## Other reading
+- https://osblog.stephenmarz.com/ch1.html
+- https://os.phil-opp.com/
+- https://github.com/skyzh/core-os-riscv
+- https://twilco.github.io/riscv-from-scratch/2019/04/27/riscv-from-scratch-2.html