Summary

Keywords

os operating system osdev development software assembly machine code cpu registers technology computers x86

Full Transcript

Introduction to the topic of memory management, and detecting memory on the x86 platform. Links: - Patreon: https://www.patreon.com/nanobyte - Discord channel: https://discord.gg/RgHc5XrCEw - Source code: https://github.com/nanobyte-dev/nanobyte_os/tree/videos/part11 Documentation: - Detecting memory: https://wiki.osdev.org/Detecting_Memory_(x86) - Memory management (wikipedia): https://en.wikipedia.org/wiki/Memory_management_(operating_systems) - Memory management (osdev): https://wiki.osdev.org/Memory_management - Livestream where I change to scons: https://youtu.be/ohT59ZfXo6k Chapters: 0:00 Types of memory 3:40 Memory address space 10:11 Memory management goals 11:17 Memory detection on x86 14:18 Implementing E820 BIOS call 21:57 Implementing main memory detection function 27:25 Modifying main function 28:15 Fixing build process & testing 30:53 Passing memory info to kernel 33:33 Conclusion

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