From fe0b7e043f804e633e9a471c55b8f1e320d04257 Mon Sep 17 00:00:00 2001
From: Max Wash <mbswash@gmail.com>
Date: Mon, 6 Feb 2023 20:45:31 +0000
Subject: [PATCH] x86_64: move stack pointer to higher-half in start_64

---
 arch/x86_64/start_64.S | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/x86_64/start_64.S b/arch/x86_64/start_64.S
index 57d0720..e0d00dd 100644
--- a/arch/x86_64/start_64.S
+++ b/arch/x86_64/start_64.S
@@ -7,6 +7,9 @@
 .global start_64
 .type start_64, @function
 start_64:
+	/* convert %rsp to a higher-half pointer */
+	add $0xFFFFFFFF80000000, %rsp
+
 	pop %rdi
 	call kernel_init