GDT flush fix

boot.s

@@ -13,19 +13,22 @@
 .section .bss
 .align 16
 stack_bottom:
-.skip 16384 # 16 KiB
+.skip 1024 * 32  # 32 KB
 stack_top:
 
 .section .text
 .global _start
 .type _start, @function
 _start:
+	cli
 	mov $stack_top, %esp
 
-	call kernel_main
+	call	kernel_main
+
+	hlt
+	jmp 1
+1:
+	jmp	1
 
-	cli
-1:	hlt
-	jmp 1b
 
 .size _start, . - _start

gdt.c

@@ -25,5 +25,5 @@ void gdt_install() {
     gdt_set_gate(1, 0, 0xFFFFFFFF, 0x9A, 0xCF); // Code segment
     gdt_set_gate(2, 0, 0xFFFFFFFF, 0x92, 0xCF); // Data segment
 
-    //gdt_flush((uint32_t)&gdtp); //TODO: KERNEL PANIC
+    gdt_flush((uint32_t)&gdtp); //TODO: KERNEL PANIC
 }

gdt_flush.s

@@ -1,17 +1,19 @@
-.section .text
 .global gdt_flush
+
 gdt_flush:
-    push %eax
+    cli
-    mov %esp, %eax
+
-    add $4, %eax
+    mov 4(%esp), %eax
     lgdt (%eax)
-    pop %eax
+
-    movw $0x10, %ax
+    mov $0x10, %ax
-    movw %ax, %ds
+    mov %ax, %ds
-    movw %ax, %es
+    mov %ax, %es
-    movw %ax, %fs
+    mov %ax, %fs
-    movw %ax, %gs
+    mov %ax, %gs
-    movw %ax, %ss
+    mov %ax, %ss
-    ljmp $0x08, $flush2
+
-flush2:
+    jmp $0x08, $.flush
-    ret
+
+.flush:
+    ret

kernel.c

@@ -235,7 +235,7 @@ void pit_set_frequency(uint32_t frequency) {
 
 void kernel_main(void) {
     terminal_initialize();
-    //gdt_install();
+    gdt_install();
     idt_install();
     pic_remap(0x20, 0x28);
     pit_set_frequency(1000);