From 6a85c6ede66f723e1415552482e1c6640653efa2 Mon Sep 17 00:00:00 2001
From: dzwdz
Date: Mon, 1 Aug 2022 16:33:44 +0200
Subject: amd64: /video/b device, provided by grub

---
 src/kernel/arch/amd64/multiboot.s | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'src/kernel/arch/amd64/multiboot.s')

diff --git a/src/kernel/arch/amd64/multiboot.s b/src/kernel/arch/amd64/multiboot.s
index dc19b36..c809297 100644
--- a/src/kernel/arch/amd64/multiboot.s
+++ b/src/kernel/arch/amd64/multiboot.s
@@ -1,7 +1,8 @@
 .set MAGIC, 0x1BADB002
 
-/* 1<<0  - align modules on page boundaries. */
-.set FLAGS,        1<<0
+/* 1<<0  - align modules on page boundaries.
+   1<<2  - enable graphic mode fields */
+.set FLAGS, 1<<0 | 1<<2
 .set CHECKSUM, -(MAGIC + FLAGS)
 
 .section .multiboot
@@ -10,3 +11,10 @@ multiboot_header:
 	.long MAGIC
 	.long FLAGS
 	.long CHECKSUM
+
+	.skip 5 * 4
+
+	.long 0
+	.long 640
+	.long 480
+	.long 0
-- 
cgit v1.2.3