From 448ecd41edd95b86930b5ac7288f2ea9311d476c Mon Sep 17 00:00:00 2001 From: Xander Date: Wed, 28 Jun 2023 21:56:30 +0200 Subject: Reorganizing --- arch/x86_64/boot/long_mode_init.asm | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 arch/x86_64/boot/long_mode_init.asm (limited to 'arch/x86_64/boot/long_mode_init.asm') diff --git a/arch/x86_64/boot/long_mode_init.asm b/arch/x86_64/boot/long_mode_init.asm new file mode 100644 index 0000000..eab3788 --- /dev/null +++ b/arch/x86_64/boot/long_mode_init.asm @@ -0,0 +1,17 @@ +global long_mode_start + +section .text +bits 64 +long_mode_start: + ; load 0 into all data segment registers + mov ax, 0 + mov ss, ax + mov ds, ax + mov es, ax + mov fs, ax + mov gs, ax + + ; print `OKAY` to screen + mov rax, 0x2f592f412f4b2f4f + mov qword [0xb8000], rax + hlt -- cgit v1.2.3