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;;
;; bubbl
;; Copyright (C) 2024-2025 Raghuram Subramani <raghus2247@gmail.com>
;;
;; This program is free software: you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.
;;
;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;; GNU General Public License for more details.
;;
;; You should have received a copy of the GNU General Public License
;; along with this program. If not, see <http://www.gnu.org/licenses/>.
;;
global _GDT_flush
_GDT_flush:
;; First Argument (Pointer to the GDT)
mov eax, [esp + 4]
;; Load GDT
lgdt [eax]
;; Offset For Kernel Data Segment (16 bits)
mov eax, 0x10
;; Set the Data Segment Selectors
mov ds, ax
mov es, ax
mov fs, ax
mov gs, ax
mov ss, ax
;; Set the Code Segment Selector
jmp 0x08:.flush
.flush:
ret
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