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Document the new -p and -i options for writing bootstrap code into

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a partition. Make it clear that the -b option embeds boot code in
the meta-data.
This commit is contained in:
Marcel Moolenaar 2008-06-07 00:14:06 +00:00
parent 3022de951b
commit c0b5f33d45
1 changed files with 24 additions and 8 deletions
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32
sbin/geom/class/part/gpart.8
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@ -24,7 +24,7 @@
.\"
.\" $FreeBSD$
.\"
.Dd Jun 5, 2008
.Dd Jun 6, 2008
.Dt GPART 8
.Os
.Sh NAME
@ -72,7 +72,8 @@ utility:
.\" ==== BOOTCODE ====
.Nm
.Cm bootcode
.Fl b Ar bootcode
.Op Fl b Ar bootcode
.Op Fl p Ar partcode Fl i Ar index
.Op Fl f Ar flags
.Ar geom
.\" ==== COMMIT ====
@ -152,12 +153,19 @@ about its use.
.El
.\" ==== BOOTCODE ====
.It Cm bootcode
Install bootstrap code into the partitioning scheme's metadata on
.Ar geom .
Not all partitioning schemes have bootstrap code, so this command
is scheme-specific in nature.
For the GPT scheme, bootstrap code is supported but it is the boostrap
code that's installed in the protective MBR.
Embed bootstrap code into the partitioning scheme's metadata on the
.Ar geom
(using
.Fl b Ar bootcode )
or write bootstrap code into a partition (using
.Fl p Ar partcode
and
.Fl i Ar index ) .
Not all partitioning schemes have embedded bootstrap code, so the
.Fl b Ar bootcode
option is scheme-specific in nature.
For the GPT scheme, embedded bootstrap code is supported.
The bootstrap code is embedded in the protective MBR rather than the GPT.
The
.Fl b Ar bootcode
option specifies a file that contains the bootstrap code.
@ -165,6 +173,14 @@ The contents and size of the file are determined by the partitioning
scheme.
For the MBR scheme, it's a 512 byte file of which the first 446 bytes
are installed as bootstrap code.
The
.Fl p Ar partcode
option specifies a file that contains the bootstrap code intended to be
written to a partition.
The partition is specified by the
.Fl i Ar index
option.
The size of the file must be smaller than the size of the partition.
.\" ==== COMMIT ====
.It Cm commit
Commit any pending changes for geom