Copy stable/9 to releng/9.3 as part of the 9.3-RELEASE cycle.

Approved by: re (implicit)
Sponsored by: The FreeBSD Foundation

Copy head to stable/9 as part of 9.0-RELEASE release cycle.

Approved by: re (implicit)

Remove 3rd clause, per email from bms

Update copyright date.

MFC after: 3 weeks

Use C99 types.

MFC after: 3 weeks

Rewrite the format of pirtool output to match what the kernel currently
prints out if bootverbose is set. This is to facilitate the code being
removed from the kernel at a later date.

While we're here, fix the __packed structures, and add some other
PCI interrupt router IDs.

Submitted by: jhb (with some tweaks)
MFC after: 3 weeks

Braino. Revert previous commit, NO_MAN was already corrected.

Noticed by: imp

Catch up with NO_MAN->NOMAN change.

If a device resides in physical slot 0, report it as being on-board as
per PIR specification.
Add the VIA VT82C686 PCI interrupt routing function as a known chipset.

Fix a masking error. Update copyright.

Do not treat an invalid PIR table checksum as a fatal error condition, but
do print a warning about it.
Correct a stupid logic error.
Update copyrights. Fix whitespace bug.

MFC after: 1 week

Start the dreaded NOFOO -> NO_FOO conversion.

OK'ed by: core

For variables that are only checked with defined(), don't provide
any fake value.

Add pirtool, a tool for dumping the $PIR table on i386 machines at runtime.

Requested by: mdodd