did some restructuring, got multitasking almost working

2026-06-26 20:05:01 -05:00
parent 57d7d34c6d
commit 43bc0df81a
35 changed files with 481 additions and 307 deletions
--- a/kernel/gdt.S
+++ b/kernel/gdt.S
@@ -0,0 +1,21 @@
+.code32
+
+.extern gdtr 
+.global load_gdt
+load_gdt:
+    lgdt gdtr 
+    ljmpl $0x08, $reload_segments
+reload_segments:
+    mov $0x10, %ax
+    mov %ax, %ds 
+    mov %ax, %es
+    mov %ax, %fs 
+    mov %ax, %gs 
+    mov %ax, %ss 
+    ret 
+
+.global tss_flush
+tss_flush:
+    mov $0x28, %ax
+    ltr %ax
+    ret