michaelkuc6/blog_os
1
0
Fork 0
mirror of https://github.com/phil-opp/blog_os.git synced 2025-12-17 06:47:49 +00:00
Code Issues Projects Releases Wiki Activity

Remap the Kernel: Fixed broken link (#247)

Browse Source
This commit is contained in:
Dentosal
2016-10-24 01:06:58 +03:00
committed by Philipp Oppermann
parent f35ea9430c
commit 1fe9e87ead
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
blog/post/07-remap-the-kernel.md
View File

@@ -769,7 +769,7 @@ pub fn switch(&mut self, new_table: InactivePageTable) -> InactivePageTable {
} }
``` ```
This function activates the given inactive table and returns the previous active table as a `InactivePageTable`. We don't need to flush the TLB here, as the CPU does it automatically when the P4 table is switched. In fact, the `tlb::flush_all` function, which we used above, does nothing more than [reloading the CR3 register]. This function activates the given inactive table and returns the previous active table as a `InactivePageTable`. We don't need to flush the TLB here, as the CPU does it automatically when the P4 table is switched. In fact, the `tlb::flush_all` function, which we used above, does nothing more than [reloading the CR3 register].
[reloading the CR3 register]: https://github.com/gz/rust-x86/blob/master/src/tlb.rs#L19 [reloading the CR3 register]: https://github.com/gz/rust-x86/blob/master/src/shared/tlb.rs#L19
Now we are finally able to switch to the new table. We do it by adding the following lines to our `remap_the_kernel` function: Now we are finally able to switch to the new table. We do it by adding the following lines to our `remap_the_kernel` function: