From ef907825e861b63726952bb34b425a98f34ed412 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Thu, 24 Jul 2025 13:52:42 +0000
Subject: x86_64: provide a clean slate on entry to long mode

---
 arch/x86_64/src/boot/boot32.S | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'arch/x86_64/src/boot/boot32.S')

diff --git a/arch/x86_64/src/boot/boot32.S b/arch/x86_64/src/boot/boot32.S
index 3039f38..27eed4d 100644
--- a/arch/x86_64/src/boot/boot32.S
+++ b/arch/x86_64/src/boot/boot32.S
@@ -27,8 +27,12 @@ page_maps_size = page_maps_end - page_maps_start
 .section .boot_stack, "aw", @nobits
 .align 16
 
+.global stack_size
+.global stack_bottom
+
 stack_bottom: .skip 1 << 20
 stack_top:
+stack_size = stack_top - stack_bottom
 
 /**
  * @brief Constants for the bootstrapping process.
-- 
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