[BITS 32] PE_PRESENT equ 1 << 0 PE_WRITABLE equ 1 << 1 PE_USERMODE equ 1 << 2 PE_ACCESSED equ 1 << 5 PE_DIRTY equ 1 << 6 section .bss align 4096 global page_directory page_directory: resb 4096 global boot_page_table boot_page_table: resb 4096