src/sys/boot/pc98/boot2/serial.S, branch releng/14.1

Reimplement the boot2 for pc98 completely.

2009-12-31T15:03:33Z

It's based on the newest i386's one and has the advantage of: - ELF binary support. - UFS2 filesystem support. - Many FreeBSD slices support on a disk. Tested by: SATOU Tomokazu ( tomo1770 _ maple _ ocn _ ne _ jp ), WATANABE Kazuhiro ( CQG00620 _ nifty _ ne _ jp ) and nyan MFC after: 2 week Happy New Year in Japan!!

Separated serial boot block interface routine into NS16550 stuff and

2000-03-30T09:25:03Z

i8251 stuff.

$Id$ -> $FreeBSD$

1999-08-28T01:08:13Z

Update #include statements to reflect the new location of "sioreg.h".

1999-04-22T21:02:44Z

With these changes plus the egcs fix I committed a few minutes ago, "make -DWANT_AOUT world" works again. Most likely, "make upgrade" is fixed too, though I haven't tested that.

PC98 version of new boot loader. Because boot2 has not yet ported,

1999-02-03T08:39:09Z

files in boot2 directory are copies from legacy biosboot. Submitted by: IMAI Takeshi