Merge branch 'post-08' into post-09

README.md

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+# Blog OS (Hardware Interrupts)
+
+[![Build Status](https://travis-ci.org/phil-opp/blog_os.svg?branch=post-08)](https://travis-ci.org/phil-opp/blog_os/branches)
+
+This repository contains the source code for the [Hardware Interrupts][post] post of the [Writing an OS in Rust](https://os.phil-opp.com) series.
+
+[post]: https://os.phil-opp.com/hardware-interrupts/
+
+**Check out the [master branch](https://github.com/phil-opp/blog_os) for more information.**
+
+## Building
+
+You need a nightly Rust compiler. First you need to install the `cargo-xbuild` and `bootimage` tools:
+
+```
+cargo install cargo-xbuild bootimage
+```
+
+Then you can build the project by running:
+
+```
+bootimage build
+```
+
+This creates a bootable disk image in the `target/x86_64-blog_os/debug` directory.
+
+Please file an issue if you have any problems.
+
+## Running
+
+You can run the disk image in [QEMU] through:
+
+[QEMU]: https://www.qemu.org/
+
+```
+bootimage run
+```
+
+Of course [QEMU] needs to be installed for this.
+
+You can also write the image to an USB stick for booting it on a real machine. On Linux, the command for this is:
+
+```
+dd if=target/x86_64-blog_os/debug/bootimage-blog_os.bin of=/dev/sdX && sync
+```
+
+Where `sdX` is the device name of your USB stick. **Be careful** to choose the correct device name, because everything on that device is overwritten.
+
+## Testing
+
+To run the unit tests on the host system, execute `cargo test`. To run the integration tests in [QEMU], run `bootimage test`.
+
+## License
+The source code is dual-licensed under MIT or the Apache License (Version 2.0).