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

Merge pull request #44 from alevy/patch-1

Browse Source 
Small grammar nit in "Entering Longmode" post
This commit is contained in:
Philipp Oppermann
2015-11-15 20:18:45 +01:00
parent eb93c94d6d fc55d6dc06
commit fc856a55a6
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
posts/2015-08-25-entering-longmode.md
View File

@@ -352,7 +352,7 @@ The Global Descriptor Table (GDT) was used for _Segmentation_ in old operating s
Today almost everyone uses Paging instead of Segmentation (and so do we). But on x86, a GDT is always required, even when you're not using Segmentation. GRUB has set up a valid 32-bit GDT for us but now we need to switch to a long mode GDT. Today almost everyone uses Paging instead of Segmentation (and so do we). But on x86, a GDT is always required, even when you're not using Segmentation. GRUB has set up a valid 32-bit GDT for us but now we need to switch to a long mode GDT.
A GDT always starts with an 0-entry and contains a arbitrary number of segment entries afterwards. An entry has the following format: A GDT always starts with a 0-entry and contains an arbitrary number of segment entries afterwards. An entry has the following format:
Bit(s) | Name | Meaning Bit(s) | Name | Meaning
--------------------- | ------ | ---------------------------------- --------------------- | ------ | ----------------------------------