Kernel/Architecture/i386/Bootstrap/Multiboot/2/Multiboot_PageTable.asm
2023-05-09 05:11:24 +03:00

31 lines
1.0 KiB
NASM

; This file is part of Fennix Kernel.
;
; Fennix Kernel 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.
;
; Fennix Kernel 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
[bits 32]
KERNEL_VIRTUAL_BASE equ 0xC0000000 ; 3GB or 0xC0000000
KERNEL_PAGE_NUMBER equ (KERNEL_VIRTUAL_BASE >> 22) ; 768
section .bootstrap.data
align 0x1000
global BootPageTable
BootPageTable:
dd 0x00000083
dd 0x00000083
times (KERNEL_PAGE_NUMBER - 2) dd 0
dd 0x00000083
dd 0x00000083
times (1024 - KERNEL_PAGE_NUMBER - 2) dd 0