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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
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=179630
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 @@
.\" .\"
.\" $FreeBSD$ .\" $FreeBSD$
.\" .\"
.Dd Jun 5, 2008 .Dd Jun 6, 2008
.Dt GPART 8 .Dt GPART 8
.Os .Os
.Sh NAME .Sh NAME
@ -72,7 +72,8 @@ utility:
.\" ==== BOOTCODE ==== .\" ==== BOOTCODE ====
.Nm .Nm
.Cm bootcode .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 .Op Fl f Ar flags
.Ar geom .Ar geom
.\" ==== COMMIT ==== .\" ==== COMMIT ====
@ -152,12 +153,19 @@ about its use.
.El .El
.\" ==== BOOTCODE ==== .\" ==== BOOTCODE ====
.It Cm bootcode .It Cm bootcode
Install bootstrap code into the partitioning scheme's metadata on Embed bootstrap code into the partitioning scheme's metadata on the
.Ar geom . .Ar geom
Not all partitioning schemes have bootstrap code, so this command (using
is scheme-specific in nature. .Fl b Ar bootcode )
For the GPT scheme, bootstrap code is supported but it is the boostrap or write bootstrap code into a partition (using
code that's installed in the protective MBR. .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 The
.Fl b Ar bootcode .Fl b Ar bootcode
option specifies a file that contains the bootstrap code. 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. scheme.
For the MBR scheme, it's a 512 byte file of which the first 446 bytes For the MBR scheme, it's a 512 byte file of which the first 446 bytes
are installed as bootstrap code. 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 ==== .\" ==== COMMIT ====
.It Cm commit .It Cm commit
Commit any pending changes for geom Commit any pending changes for geom