30 lines
774 B
Python
Executable File
30 lines
774 B
Python
Executable File
#!/usr/bin/env python3
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from math import ceil as c
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def get_offsets(addr):
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if addr % 4096:
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print("You must align to 4096!")
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return 0
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if addr > 2 ** 47:
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print("Address too big!")
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return 0
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pte = (addr >> 12) & 0x1ff
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pde = (addr >> 21) & 0x1ff
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pdpe =(addr >> 30) & 0x1ff
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pml4 =(addr >> 39) & 0x1ff
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print("pte:\t{}\npde:\t{}\npdpe:\t{}\npml4:\t{}".format(pte, pde, pdpe, pml4))
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def get_table_size(addr):
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pte_cnt = c(c(addr / (1 << 12)) / 512) * 512
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pde_cnt = c(c(addr / (1 << 21)) / 512) * 512
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pdpe_cnt = c(c(addr / (1 << 30)) / 512) * 512
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pml4_cnt = c(c(addr / (1 << 39)) / 512) * 512
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return((pte_cnt + pde_cnt + pdpe_cnt + pml4_cnt) * 8)
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ts = get_table_size(68719476736)
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print(hex(ts))
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