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Install llvm-tools-preview rustup component

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Philipp Oppermann
2021-02-11 21:03:18 +01:00
parent 843bd4ca87
commit d6f424e338
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blog/content/edition-3/posts/02-booting/index.md
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@@ -464,7 +464,19 @@ From the `kernel_dir`, we can then construct the `kernel_manifest` and `target_d
#### Creating the Disk Images
We can now use our `boot` crate to create some bootable disk images from our kernel:
There is one last step before we can create the bootable disk images: The `bootloader` build requires the [rustup component] `llvm-tools-preview`. To install it, we can either run `rustup component add llvm-tools-preview` or specify it in our `rust-toolchain` file:
[rustup component]: https://rust-lang.github.io/rustup/concepts/components.html
```toml
# in rust-toolchain
[toolchain]
channel = "nightly"
components = ["rust-src", "rustfmt", "clippy", "llvm-tools-preview"]
```
After that can finally use our `boot` crate to create some bootable disk images from our kernel:
```bash
> cargo kbuild