From 68db123a2f37a66aea218fa48a5bab8ea6b12951 Mon Sep 17 00:00:00 2001 From: "felix.morgner@ost.ch" Date: Sat, 7 Oct 2023 10:45:45 +0200 Subject: x86_64: implement first bootable kernel --- source/boot/arch/x86_64/src/multiboot.s | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 source/boot/arch/x86_64/src/multiboot.s (limited to 'source/boot/arch/x86_64/src/multiboot.s') diff --git a/source/boot/arch/x86_64/src/multiboot.s b/source/boot/arch/x86_64/src/multiboot.s new file mode 100644 index 0000000..207a639 --- /dev/null +++ b/source/boot/arch/x86_64/src/multiboot.s @@ -0,0 +1,17 @@ +.section .boot_mbh, "a" +.align 64 + +multiboot_header_start: +.Lmagic: + .long 0xe85250d6 +.Larch: + .long 0 +.Llength: + .long multiboot_header_end - multiboot_header_start +.Lchecksum: + .long 0x100000000 - (0xe85250d6 + 0 + (multiboot_header_end - multiboot_header_start)) +.Lend: + .int 0 + .int 0 + .long 8 +multiboot_header_end: -- cgit v1.2.3