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Revert "LLD is now shipped with Rust!" (#397)

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Philipp Oppermann
2018-03-06 18:26:57 +01:00
committed by GitHub
parent c810448fc8
commit f24ba8b799
5 changed files with 47 additions and 4 deletions
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9
blog/content/second-edition/posts/02-minimal-rust-kernel/index.md
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@@ -132,10 +132,11 @@ We add the following build-related entries:
```json
"linker-flavor": "ld.lld",
"linker-flavor": "ld",
"linker": "ld.lld",
```
Instead of using the platform's default linker (which might not support Linux targets), we use the cross platform [LLD] linker for linking our kernel. LLD is shipped with Rust since the `2018-03-05` nightly.
Instead of using the platform's default linker (which might not support Linux targets), we use the cross platform [LLD] linker for linking our kernel.
[LLD]: https://lld.llvm.org/
@@ -259,6 +260,10 @@ Let's try it:
Finished dev [unoptimized + debuginfo] target(s) in 0.29 secs
```
(If you're getting a linking error because LLD could not be found, see our “[Installing LLD]” guide.)
[Installing LLD]: ./second-edition/extra/installing-lld/index.md
It worked! We see that `xargo` cross-compiled the `core` library for our new custom target and then continued to compile our `blog_os` crate.
Now we are able to build our kernel for a bare metal target. However, our `_start` entry point, which will be called by the boot loader, is still empty. So let's output something to screen from it.