def rx5

bend-osdev-acpi@0.1.1.0 · PROOF.bend:2463

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/checksum.bend as C
import bend-osdev-acpi@0.1.1.0/fields.bend as F
import bend-osdev-acpi@0.1.1.0/rsdp.bend as P

2463def rx5(+b: Bool, +o: B.Octets, +r: P.AcpiRsdp, +e: {P.rs.p5(b, o) == Done{r} : Result<&2, &2, E.AcpiError, P.AcpiRsdp>}) -> {C.AcpiChecksum.ok(B.Octets.take(P.AcpiRsdp.checked(r), o)) == True{} : Bool}:
2464  match b:
2465    case True{}:
2466      rx6(Bool.and(Nat.is_le(36n, U32.to_nat(F.AcpiF.u32(o, 20n))), Nat.is_le(U32.to_nat(F.AcpiF.u32(o, 20n)), B.Octets.len(o))), F.AcpiF.u32(o, 20n), o, r, e)
2467    case False{}:
2468      Empty.absurd({C.AcpiChecksum.ok(B.Octets.take(P.AcpiRsdp.checked(r), o)) == True{} : Bool}, fd_absurd(P.AcpiRsdp, E.AcpiTooShort{36n, B.Octets.len(o)}, r, e))