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people always say to be careful not to derefrence a pointer that points to address 0 because then your program will crash, well they didn't do their research properly

License: MIT License

Assembly 67.74% C 16.74% Shell 15.52%
asm c osdev

nullaccess's Introduction

People always say to be careful not to derefrence a pointer that points to address 0 because then your program will crash, well they didn't do their research properly

What

this code writes to address 0 and then reads it and just writes a purple character on screen. (check kernel.c)

How to run

first install qemu (qemu.org) or your favourite virtualization tool then look at the last line in run.sh

How to build from source yourself

you need nasm and gcc, and just use the script run.sh

nullaccess's People

Contributors

itaynaveh avatar shaharnaveh avatar

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Forkers

shaharnaveh

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