Chloe M.
36 lines
778 B
C
36 lines
778 B
C
/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause.
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*
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* Description: HPET driver
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* Author: Chloe M.
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*/
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#include <machine/hpet.h>
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#include <drivers/acpi/tables.h>
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#include <drivers/acpi/acpi.h>
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#include <ke/knot.h>
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#include <ex/trace.h>
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#define DTRACE(Fmt, ...) \
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TRACE("[ HPET ]: " Fmt, ##__VA_ARGS__)
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VOID
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MdHpetInit(VOID)
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{
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ACPI_HPET *Hpet;
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Hpet = AcpiQuery("HPET");
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if (Hpet == NULL) {
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KeKnot(
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KNOT_UNBOUND_RSRC,
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"could not detect HPET on this platform\n"
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);
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}
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/* Some informational logging */
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DTRACE("detected hpet with pci vendor id : %x\n", Hpet->PciVendorId);
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DTRACE("counter size : %d\n", Hpet->CounterSize);
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DTRACE("minimum tick : %d\n", Hpet->MinimumTick);
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}
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