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Add a short introduction to rustup

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Philipp Oppermann
2023-04-30 16:53:45 +02:00
parent bb754eadba
commit 646e5ba502
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blog/content/edition-3/posts/01-minimal-kernel/index.md
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@@ -314,10 +314,26 @@ For example, the `thumbv7em-none-eabihf` target triple can be used to compile fo
Our kernel should run on a bare-metal `x86_64` system, so the suitable target triple is [`x86_64-unknown-none`].
The `-none` suffix indicates that there is no underlying operating system.
To be able to compile for this target, we need to add it using [`rustup`]:
To be able to compile for this target, we need to add it using [`rustup`].
[`x86_64-unknown-none`]: https://doc.rust-lang.org/rustc/platform-support/x86_64-unknown-none.html
[`rustup`]: https://doc.rust-lang.org/rustc/platform-support/x86_64-unknown-none.html
<div class = "note"><details>
<summary><em>What is <code>rustup</code></em>?</summary>
The [`rustup`] tool is the [officially recommended] way of installing Rust.
It supports having multiple versions of Rust installed simultaneously and makes upgrading Rust easy.
It also provides access to optional tools and components such as [`rustfmt`] or [`rust-analyzer`].
This guide requires `rustup`, so please install it if you haven't already.
[`rustup`]: https://rustup.rs/
[officially recommended]: https://www.rust-lang.org/learn/get-started
[`rustfmt`]: https://github.com/rust-lang/rustfmt/
[`rust-analyzer`]: https://github.com/rust-lang/rust-analyzer
</details></div>
To download and set up the `x86_64-unknown-none` target, we use the following `rustup` command:
```
rustup target add x86_64-unknown-none