From 49f8c3c810db582e0aec58049f38fc57ccac4144 Mon Sep 17 00:00:00 2001
From: Philipp Oppermann <dev@phil-opp.com>
Date: Thu, 13 Aug 2015 13:04:06 +0200
Subject: [PATCH] Add a small 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 b6a7c006..c2f8dd7b 100644
--- a/src/arch/x86_64/boot.asm
+++ b/src/arch/x86_64/boot.asm
@@ -17,6 +17,8 @@ global start
 section .text
 bits 32
 start:
+    mov esp, stack_top
+
     ; print `OK` to screen
     mov dword [0xb8000], 0x2f4b2f4f
     hlt
@@ -29,3 +31,8 @@ error:
     mov dword [0xb8008], 0x4f204f20
     mov byte  [0xb800a], al
     hlt
+
+section .bss
+stack_bottom:
+    resb 64
+stack_top: