From 3a9ccbd8e762477f75d8b164a1d99383a01414ae Mon Sep 17 00:00:00 2001
From: Aleksa Vučković <aleksav013@gmail.com>
Date: Sat, 9 Oct 2021 02:34:21 +0200
Subject: Adding gdt

---
 src/boot.s | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

(limited to 'src/boot.s')

diff --git a/src/boot.s b/src/boot.s
index 385ee70..a0f0c2e 100644
--- a/src/boot.s
+++ b/src/boot.s
@@ -9,7 +9,15 @@
 .long MAGIC
 .long FLAGS
 .long CHECKSUM
- 
+
+.global _start
+.global load_gdt
+
+load_gdt:
+    movl 4(%esp), %edx
+    lgdt (%edx)
+    ret
+
 .section .bss
 .align 16
 stack_bottom:
@@ -17,15 +25,19 @@ stack_bottom:
 stack_top:
 
 .section .text
-.global _start
 .type _start, @function
 _start:
+	call init_gdt_table
+	mov 0x10, %ax
+	mov %ds, %ax
+	mov %es, %ax
+	mov %fs, %ax
+	mov %gs, %ax
+	mov %ss, %ax
 	mov $stack_top, %esp
- 
+	cli
 	call _init
 	call kernel_main
- 
-	cli
 1:	hlt
 	jmp 1b
  
-- 
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