added a couple small things, nothing really changed

1 files changed, 13 insertions, 5 deletions

diff --git a/src/kernel/gen_gdt.c b/src/kernel/gen_gdt.c
index 05eedaa..ccfb461 100644
--- a/src/kernel/gen_gdt.c
+++ b/src/kernel/gen_gdt.c
@@ -1,11 +1,19 @@
 #include "gdt.h"
+#include <stdint.h>
 
 GDT_t *table = 0x0;
-GDTR_t gdtr = {0, 0};
+extern GDTR_t gdtr;
 void get_gdtr() {
-    *table = (GDT_t){make_descriptor(0, 0, 0),
-                     make_descriptor(0x0000, 0xFFFFF, make_code(0, 0, 1)),
-                     make_descriptor(0x0000, 0xFFFFF, make_data(0, 0, 1))};
+    uint32_t base = 0x0000;
+
+    *table = (GDT_t){
+        // NULL
+        make_descriptor(0, 0, 0),
+        // Code segment, read
+        make_descriptor(base, 0x8FFFF, make_code(0, 0, 1)),
+        // Data segment, read write
+        make_descriptor(base, 0x8FFFF, make_data(0, 0, 1)),
+    };
     gdtr.size = sizeof(Segment_Descriptor_t) * 3 - 1;
-    gdtr.offset = 0x0;
+    gdtr.offset = base;
 }