#!/usr/bin/env python3 from math import ceil as c def get_offsets(addr): if addr % 4096: print("You must align to 4096!") return 0 if addr > 2 ** 47: print("Address too big!") return 0 pte = (addr >> 12) & 0x1ff pde = (addr >> 21) & 0x1ff pdpe =(addr >> 30) & 0x1ff pml4 =(addr >> 39) & 0x1ff print("pte:\t{}\npde:\t{}\npdpe:\t{}\npml4:\t{}".format(pte, pde, pdpe, pml4)) def get_table_size(addr): pte_cnt = c(c(addr / (1 << 12)) / 512) * 512 pde_cnt = c(c(addr / (1 << 21)) / 512) * 512 pdpe_cnt = c(c(addr / (1 << 30)) / 512) * 512 pml4_cnt = c(c(addr / (1 << 39)) / 512) * 512 return((pte_cnt + pde_cnt + pdpe_cnt + pml4_cnt) * 8) ts = get_table_size(34359738368) print(ts)