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hobby kernel in zig

screenshot

features

  • 80x25 frame buffer
  • ps2 keyboard driver
  • terminal console
  • lspci
  • x86
    • MMU
    • interrupts
    • pit timer
  • scheduler
    • time slice preemption with round robin
    • sleep()
    • block()/unblock()
  • Storage
    • IDE ATA driver (in progress)

dependencies

compiling

zig build compiles and links the multiboot kernel (without a bootloader)

running

  • ./qemu.sh start
  • ./qemu.sh monitor
  • ./qemu.sh quit
  • gdb (see provided .gdbinit)

Notes

interrupt call chain

interrupt -> idt[n] -> isrN -> isrDispatch -> handlers[n] (default unhandled())

References

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💾 hobby x86 kernel zig

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