def hpet.read

bend-osdev-acpi@0.1.1.0 · hpet.bend:26

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B
import bend-osdev-acpi@0.1.1.0/error.bend as E
import bend-osdev-acpi@0.1.1.0/header.bend as H
import bend-osdev-acpi@0.1.1.0/fields.bend as F
import bend-osdev-acpi@0.1.1.0/gas.bend as G

26def hpet.read(ok: Bool, +h: H.AcpiHeader, +o: B.Octets) -> Result<&2, &2, E.AcpiError, AcpiHpet>:
27  match ok:
28    case False{}:
29      Fail{E.AcpiTooShort{56n, B.Octets.len(o)}}
30    case True{}:
31      Done{AcpiHpet{h, F.AcpiF.u32(o, 36n), G.AcpiGas.at(o, 40n), F.AcpiF.u8(o, 52n), F.AcpiF.u16(o, 53n), F.AcpiF.u8(o, 55n)}}