Add user-mode GDT entries

2024-07-08 14:02:27 +02:00 · 2024-07-08 14:02:27 +02:00 · 8b13664aca
commit 8b13664aca
parent 98aaab64d7
1 changed files with 17 additions and 1 deletions
--- a/kernel/src/cpu/gdt.rs
+++ b/kernel/src/cpu/gdt.rs
@ -13,7 +13,7 @@ struct GDTEntry {
 }
 #[repr(C)]
 struct GDT {
-    entries: [GDTEntry; 3],
+    entries: [GDTEntry; 5],
 }
 #[repr(C, packed)]
 struct GDTDescriptor {
@ -48,6 +48,22 @@ pub fn setup_gdt() {
                flags: 0,
                base_high: 0,
            },
+            GDTEntry {
+                limit_low: 0,
+                base_low: 0,
+                base_middle: 0,
+                access: 0xfa,
+                flags: 0x20,
+                base_high: 0,
+            },
+            GDTEntry {
+                limit_low: 0,
+                base_low: 0,
+                base_middle: 0,
+                access: 0xf2,
+                flags: 0,
+                base_high: 0,
+            },
        ],
    }));
    let gdt_descriptor = Box::leak(Box::new(GDTDescriptor {