From 9819e17a28c831ffcaa49c623a4a9017aa696c4b Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Tue, 11 Apr 2017 14:51:10 +0200
Subject: [PATCH] Create and load a stack

---
 src/arch/x86_64/boot.asm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/arch/x86_64/boot.asm b/src/arch/x86_64/boot.asm
index 8139834b..e35e0359 100644
--- a/src/arch/x86_64/boot.asm
+++ b/src/arch/x86_64/boot.asm
@@ -3,6 +3,8 @@ global start
 section .text
 bits 32
 start:
+    mov esp, stack_top
+
     ; print `OK` to screen
     mov dword [0xb8000], 0x2f4b2f4f
     hlt
@@ -15,3 +17,8 @@ error:
     mov dword [0xb8008], 0x4f204f20
     mov byte  [0xb800a], al
     hlt
+
+section .bss
+stack_bottom:
+    resb 64
+stack_top: