diff options
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 |