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| author | Fabian Imhof <fabian.imhof@ost.ch> | 2025-03-20 15:30:18 +0000 |
|---|---|---|
| committer | Fabian Imhof <fabian.imhof@ost.ch> | 2025-03-20 15:30:18 +0000 |
| commit | b6ee8bec7ed23fd0c544f67f735e96b2bfe67682 (patch) | |
| tree | 1c738088d75bd7e1299d3b695e74e96d68878fc4 /arch/x86_64/src/boot | |
| parent | 7a98b1dcb1f4436664a8f1a5d6e71ab2c65378f0 (diff) | |
| download | teachos-b6ee8bec7ed23fd0c544f67f735e96b2bfe67682.tar.xz teachos-b6ee8bec7ed23fd0c544f67f735e96b2bfe67682.zip | |
begin implementation of IDT
Diffstat (limited to 'arch/x86_64/src/boot')
| -rw-r--r-- | arch/x86_64/src/boot/boot.s | 13 |
1 files changed, 13 insertions, 0 deletions
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 |