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2025-08-23 19:21:41 +02:00
parent 624c90ce88
commit 9cb2959a77
2 changed files with 12 additions and 6 deletions
--- a/grub.cfg
+++ b/grub.cfg
@@ -1,3 +1,3 @@
 menuentry "nub-os" {
-    multiboot /boot/kernel.bin
+    multiboot2 /boot/kernel.bin
 }
--- a/src/boot.asm
+++ b/src/boot.asm
@@ -1,14 +1,20 @@
 extern kernel_main

-%define MAGIC       0x1BADB002
-%define FLAGS       0x0
-%define CHECKSUM    -(MAGIC + FLAGS)
+%define MAGIC       0xe85250d6
+%define ARCH        0
+%define LEN         (header_end - header_start)
+%define CHECKSUM    -(MAGIC + ARCH + LEN)

 section .multiboot
-align 4
+header_start:
+align 8
    dd MAGIC
-    dd FLAGS
+    dd ARCH
+    dd LEN
    dd CHECKSUM
+    dw 0
+    dd 8
+header_end:

 section .bss
 align 16