made the jump to ring 3

kernel/common_stubs.S

@@ -13,4 +13,28 @@ enable_interrupts:
 .global io_wait 
 io_wait:
     outb %al, $0x80
-    ret
+    ret
+
+.global liftoff
+liftoff:
+    cli
+
+    mov 4(%esp), %ecx
+    mov 8(%esp), %ebx
+
+    mov $0x23, %ax
+    mov %ax, %ds
+    mov %ax, %es
+    mov %ax, %fs
+    mov %ax, %gs
+
+    push $0x23           
+    push %ebx
+    push $0x202
+    push $0x1B
+    push %ecx
+
+    xor %eax, %eax
+    xor %edx, %edx
+    
+    iret