remove some 19 year old #if 0 code

ok deraadt

whitespace

Constify struct cfattach.

Fix printing of ioapic remapping messages; avoid printing duplicate info.

ok deraadt@

reduce the amount of includes in arch/amd64
ok mpi@ deraadt@

In previous change, misconfigured APICs were not being repaired.
noticed by Andrew Daugherity
ok kettenis

Get rid of read_psl() and write_psl() by replacing
read_psl() + disable_intr() with intr_disable(),
and write_psl() with intr_restore().

OK kettenis@

Don't write a 1 to the RIRR bit in the IOAPIC redirection register. This bit
is R/O, and although it should not matter what value is written there,
Hyper-V's emulated IOAPIC interprets a write of 1 i

Don't write a 1 to the RIRR bit in the IOAPIC redirection register. This bit
is R/O, and although it should not matter what value is written there,
Hyper-V's emulated IOAPIC interprets a write of 1 in some unexpected way and
subsequently blocks interrupt delivery. This primarily manifests itself as
de(4) timeouts when using Hyper-V VMs with the "Legacy Network Adapter"
interface.

This diff has been in snaps for almost a month with no reported fallout.

Based on an idea originally from mikeb with further input from kettenis and
deraadt.

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Stop printing the "ioapic0: misconfigured as apic..." messages. Basically
all modern machines are "misconfigured". We simply have to configure them
and it is pointless to complain.

Remove some includes include-what-you-use claims don't
have any direct symbols used. Tested for indirect use by compiling
amd64/i386/sparc64 kernels.

ok tedu@ deraadt@

Replace some malloc(n*size,...) calls with mallocarray().

ok tedu@ deraadt@

{ on seperate line at start of function or I go crazy

Restore the APIC ID to what we set it to at boot (some machines come up
with it incorrect)
from mklarkin, ok kettenis

remove unused variable

Make the i386 APIC code closer to the amd64 version. Many whitespace fixes,
some additional code.

ok toby@, oga@

Change the way we include mpbios code to be similar to what we do on i386.

ok deraadt@

more style nits.

style nits.

Make this compile if !MULTIPROCESSOR.

ok brad@

First pass at removing clauses 3 and 4 from NetBSD licenses.

Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code t

First pass at removing clauses 3 and 4 from NetBSD licenses.

Not sure what's more surprising: how long it took for NetBSD to
catch up to the rest of the BSDs (including UCB), or the amount of
code that NetBSD has claimed for itself without attributing to the
actual authors.

OK deraadt@

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Revert my previous commit. Kettenis no likey.

Print base so that we can make a correct mapping between apic and irq.

ok jordan

Actually establish interrupt handler in !ioapic_cold case.

ok marco@

ansi/deregister

Remove accidentally committed debug printf.