14b109ea24
modified: compiler/create_crosscompiler.sh deleted: notes modified: src/.gdb_history deleted: src/amd64_vol2.pdf modified: src/bootloader/bios_functions/bios_disk.asm modified: src/bootloader/bios_functions/print.asm modified: src/bootloader/bootloader.asm modified: src/bootloader/cpu_check.asm modified: src/bootloader/enter_kernel.asm deleted: src/bootloader/enter_kernel_backup modified: src/bootloader/gdt.asm deleted: src/bootloader/multicore.asm deleted: src/bootloader/notes new file: src/debug/gdbinit.gdb deleted: src/indigo_os modified: src/kernel/include/libc.h modified: src/kernel/include/paging.h modified: src/kernel/include/video.h modified: src/kernel/kernel.c modified: src/kernel/libs/acpi.c modified: src/kernel/libs/drivers/serial.c modified: src/kernel/libs/drivers/video.c modified: src/kernel/libs/libc.c modified: src/kernel/libs/page.c modified: src/link.ld modified: src/makefile new file: tools/README.md modified: tools/page/page.py
30 lines
769 B
Python
Executable File
30 lines
769 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(34359738368)
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print(ts)
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