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Vystem 0.2

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lolo859
2026-05-27 19:34:54 +02:00
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docs/shelter/cpu/pit.md Normal file
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# PIT API
In Shelter, the PIT is only used for one purpose: estimating the CPU frequency. It's only used with the PIC, never with the IOAPIC, so the API is volontarily very simple:
- `sh_pit_set_frequency()`: expect the frequency as argument. Set the PIT to uses this frequency and return nothing
This API is defined inside `shelter/lib/include/cpu/pit.h` and implemented inside `shelter/lib/include/cpu/pic.c`.