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Import of OpenBSD 4.2 release kernel tree with initial code to support 
Jornada 720/728, StrongARM 1110-based handheld PC.
At this point kernel roots on NFS and boots into vfs_mountroot() and traps.
What is supported:
- glass console, Jornada framebuffer (jfb) works in 16bpp direct color mode
(needs some palette tweaks for non black/white/blue colors, i think)
- saic, SA11x0 interrupt controller (needs cleanup)
- sacom, SA11x0 UART (supported only as boot console for now)
- SA11x0 GPIO controller fully supported (but can't handle multiple interrupt
handlers on one gpio pin)
- sassp, SSP port on SA11x0 that attaches spibus
- Jornada microcontroller (jmcu) to control kbd, battery, etc throught
the SPI bus (wskbd attaches on jmcu, but not tested)
- tod functions seem work
- initial code for SA-1111 (chip companion) : this is TODO

Next important steps, i think:
- gpio and intc on sa1111
- pcmcia support for sa11x0 (and sa1111 help logic)
- REAL root on nfs when we have PCMCIA support (we may use any of supported pccard NICs)
- root on wd0! (using already supported PCMCIA-ATA)

.\"	$OpenBSD: installboot.8,v 1.13 2007/05/31 19:20:04 jmc Exp $
.\"
.\" Copyright (c) 1994 Paul Kranenburg
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
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.\"    must display the following acknowledgement:
.\"      This product includes software developed by Paul Kranenburg.
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.Dd $Mdocdate: March 4 2008 $
.Dt INSTALLBOOT 8 mvme88k
.Os
.Sh NAME
.Nm installboot
.Nd install a bootstrap on an FFS disk
.Sh SYNOPSIS
.Nm installboot
.Op Fl n
.Op Fl v
.Ar boot
.Ar bootxx
.Ar rawdev
.Sh DESCRIPTION
.Nm installboot
is used to install a "first-stage" boot program into the boot area
of an FFS disk partition, and initialize the table of block numbers the
.Ar bootxx
program uses to load the second-stage boot program.
.Pp
The options are as follows:
.Bl -tag -width flag
.It Fl n
Do not actually write anything on the disk.
.It Fl v
Be verbose, printing out the block numbers that
.Ar bootxx
will use to load
.Ar boot .
.El
.Pp
The arguments are:
.Bl -tag -width bootxx
.It Ar boot
the name of the second-stage boot program in the file system
where the first-stage boot program is to be installed.
.It Ar bootxx
the name of the prototype file for the first stage boot program.
.It Ar rawdev
the name of the raw device in which the first-stage boot program
is to be installed.
This should correspond to the block device on which the file system containing
.Ar boot
is mounted.
.El
.Sh EXAMPLES
.Bd -literal -offset
cp /usr/mdec/bootsd /boot
/usr/mdec/installboot /boot /usr/mdec/bootxx /dev/rsd0a
.Ed
.Sh SEE ALSO
.Xr disklabel 8 ,
.Xr init 8
.Sh BUGS
.Nm installboot
requires simultaneous access to the mounted file system and
the raw device, but that is not allowed with the kernel
.Nm securelevel
variable set to a value greater than zero (the default), so
.Nm installboot
only works in single-user mode (or insecure mode - see
.Xr init 8 ) .