From b5e0d749b86c4f0792b9f8e124b59ffe581e6673 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thomas=20Lov=C3=A9n?= <thomasloven@gmail.com>
Date: Fri, 8 Dec 2017 15:55:41 +0100
Subject: [PATCH] Reload cr3 after updating P4

---
 src/kernel/boot/boot.S | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/kernel/boot/boot.S b/src/kernel/boot/boot.S
index 22b0399..48e84aa 100644
--- a/src/kernel/boot/boot.S
+++ b/src/kernel/boot/boot.S
@@ -43,7 +43,7 @@ _start:
   lgdt [V2P(BootGDTp)]
 
   //; and update the code selector by a long jump
-  jmp 0x8:V2P(long_mode_start)
+jmp 0x8:V2P(long_mode_start)
 
 .code64
   long_mode_start:
@@ -68,6 +68,9 @@ _start:
   mov rax, 0
   movabs [BootP4], rax
 
+  mov rax, cr3
+  mov cr3, rax
+
   //; Jump to kmain()
 .extern kmain
   movabs rax, offset kmain