From b6ee8bec7ed23fd0c544f67f735e96b2bfe67682 Mon Sep 17 00:00:00 2001 From: Fabian Imhof Date: Thu, 20 Mar 2025 15:30:18 +0000 Subject: begin implementation of IDT --- arch/x86_64/src/boot/boot.s | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'arch/x86_64/src/boot') diff --git a/arch/x86_64/src/boot/boot.s b/arch/x86_64/src/boot/boot.s index 39bfe33..4fb23e5 100644 --- a/arch/x86_64/src/boot/boot.s +++ b/arch/x86_64/src/boot/boot.s @@ -354,7 +354,20 @@ prepare_page_maps: .section .boot_text, "ax", @progbits .code64 +.global segment_register_reload_pointer +segment_register_reload_pointer: + xor %rax, %rax + mov %rax, %ss + mov %rax, %ds + mov %rax, %es + mov %rax, %fs + mov %rax, %gs + + ret + _transition_to_long_mode: + call segment_register_reload_pointer + xor %rax, %rax mov %rax, %ss mov %rax, %ds -- cgit v1.2.3