michaelkuc6/blog_os
1
0
Fork 0
mirror of https://github.com/phil-opp/blog_os.git synced 2025-12-16 22:37:49 +00:00
Code Issues Projects Releases Wiki Activity

Update post to use bitflags 0.7.0

Browse Source
This commit is contained in:
Philipp Oppermann
2016-05-15 12:29:29 +02:00
parent 1703827da2
commit e383a9235a
1 changed files with 4 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
blog/post/2015-12-09-modifying-page-tables.md
View File

@@ -94,12 +94,10 @@ To model the various flags, we will use the [bitflags] crate. To add it as a dep
[bitflags]: https://github.com/rust-lang-nursery/bitflags [bitflags]: https://github.com/rust-lang-nursery/bitflags
```toml ```toml
[dependencies.bitflags] [dependencies]
version = "0.4.0" ...
features = ["no_std"] bitflags = "0.7.0"
``` ```
The `no_std` feature is needed because `bitflags` depends on the standard library by default. But it has a [cargo feature] to use the core library instead. It will become the default as soon as `no_std` is stable in a stable Rust release.
[cargo feature]: http://doc.crates.io/manifest.html#the-[features]-section
To import the macro, we need to use `#[macro_use]` above the `extern crate` definition: To import the macro, we need to use `#[macro_use]` above the `extern crate` definition:
@@ -113,7 +111,7 @@ Now we can model the various flags:
```rust ```rust
bitflags! { bitflags! {
flags EntryFlags: u64 { pub flags EntryFlags: u64 {
const PRESENT = 1 << 0, const PRESENT = 1 << 0,
const WRITABLE = 1 << 1, const WRITABLE = 1 << 1,
const USER_ACCESSIBLE = 1 << 2, const USER_ACCESSIBLE = 1 << 2,