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document merged sparc installboot.

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mrg 2000-08-10 13:21:11 +00:00
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share/man/man8/man8.sparc/installboot.8
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@ -1,4 +1,4 @@
.\" $NetBSD: installboot.8,v 1.7 1999/12/30 22:31:20 simonb Exp $
.\" $NetBSD: installboot.8,v 1.8 2000/08/10 13:21:11 mrg Exp $
.\"
.\" Copyright (c) 1996 The NetBSD Foundation, Inc.
.\" All rights reserved.
@ -42,10 +42,16 @@
.Nd install a bootstrap on an FFS filesystem partition
.Sh SYNOPSIS
.Nm installboot
.Op Fl U
.Op Fl nv
.Ar boot
.Ar bootxx
.Ar device
.Nm installboot
.Op Fl u
.Op Fl nv
.Ar bootblk
.Ar device
.Sh DESCRIPTION
.Nm installboot
prepares a FFS filesystem partition for boot-strapping from the PROM.
@ -60,13 +66,15 @@ The first-stage program is loaded into memory by the PROM. After it receiving
control, it loads the second stage program from a set of filesystem block
numbers that have been hard-coded into it by the
.Nm installboot
program.
program, or, on the UltraSPARC, finds the second stage boot program by a
name lookup in the filesystem.
.Pp
The second-stage boot program uses the device driver interface to
the PROM and the stand-alone filesystem code in
.Dq libsa.a
to locate and load the kernel.
The second-stage boot program and the prototype code for the
For non-UltraSPARC machines,
the second-stage boot program and the prototype code for the
first-stage bootprogram can be found in
.Pa /usr/mdec/boot
and
@ -74,6 +82,12 @@ and
respectively. The second-stage program commonly resides in the root directory
as
.Pa /boot .
For UltraSPARC machines, these files live in
.Pa /usr/mdec/bootblk.sparc64
and
.Pa /usr/mdec/ofwboot.sparc64
respectively, and the second-stage program resides in the root directly as
.Pa /ofwboot .
The utility
.Pa /usr/mdec/binstall
can be used to properly copy the a second-stage bootprogram to its
@ -98,17 +112,26 @@ in fact, just a branch past the rest of the header
.Pc
for Sun 4
.Dq old monitor
ROMs to execute.
ROMs to execute. On the UltraSPARC machines, the first stage loader
is actually a Forth program compiled into Fcode, executed by the Open
Firmware.
.Pp
There are two options with these meaning:
There are three options with these meaning:
.Bl -tag -width flag
.It Fl n
Do not actually write anything on the disk.
.It Fl u
Install sparc64 (UltraSPARC) Forth boot block. Note that this option
is the default if we are running on a sparc64 machine.
.It Fl U
Force SPARC boot block semantics. This allows SPARC boot blocks to be
installed on an UltraSPARC machine. This option is the default if we
are running on a sparc machine.
.It Fl v
Verbose mode: prints internal informational messages on standard output.
.El
.Pp
The arguments are:
The arguments for the standard SPARC are:
.Bl -tag -width bootxx
.It Ar boot
the name of the second-stage boot program in the file system
@ -122,6 +145,14 @@ on which the file system containing
.Ar boot
is mounted.
.El
The arguments for the UltraSPARC are:
.Bl -tag -width bootblk
.It Ar bootblk
the name of the first stage boot program.
.It Ar device
the name of the raw device in which the first-stage boot program
is to be installed.
.El
.Sh EXAMPLES
The following command will install the first-stage bootblocks in the
root filesystem