47 lines
936 B
Markdown
47 lines
936 B
Markdown
# hobby kernel in zig
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### features
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- 80x25 frame buffer
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- ps2 keyboard driver
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- terminal console
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- lspci
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- x86
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- MMU
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- interrupts
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- pit timer
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- scheduler
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- time slice preemption with round robin
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- sleep()
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- block()/unblock()
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- Storage
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- IDE ATA driver (in progress)
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### dependencies
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- [ziglang](https://github.com/ziglang/zig) 0.5.0
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### compiling
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`zig build` compiles and links the multiboot kernel (without a bootloader)
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### running
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- `./qemu.sh start`
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- `./qemu.sh monitor`
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- `./qemu.sh quit`
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- `gdb` (see provided `.gdbinit`)
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# Notes
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## interrupt call chain
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`interrupt` -> `idt[n]` -> `isrN` -> `isrDispatch` -> `handlers[n]` (default `unhandled()`)
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## References
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- zig microkernel: https://github.com/AndreaOrru/zen
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- scheduling tutorial: https://wiki.osdev.org/Brendan%27s_Multi-tasking_Tutorial
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- booting/paging/interrupts: https://os.phil-opp.com/
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