diff options
Diffstat (limited to 'sbin/gpt/gpt.8')
| -rw-r--r-- | sbin/gpt/gpt.8 | 45 |
1 files changed, 43 insertions, 2 deletions
diff --git a/sbin/gpt/gpt.8 b/sbin/gpt/gpt.8 index 13f9223257f1..7e5413905698 100644 --- a/sbin/gpt/gpt.8 +++ b/sbin/gpt/gpt.8 @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd June 22, 2006 +.Dd October 24, 2007 .Os .Dt GPT 8 .Sh NAME @@ -130,10 +130,51 @@ option allows the user to specify the partition type. The type is given as an UUID, but .Nm accepts -.Cm efi , swap , ufs , hfs , linux +.Cm boot , efi , swap , ufs , hfs , linux and .Cm windows as aliases for the most commonly used partition types. +.\" ==== boot ==== +.It Xo +.Nm +.Ic boot +.Op Fl b Ar pmbr +.Op Fl g Ar gptboot +.Op Fl s Ar count +.Ar device ... +.Xc +The +.Ic boot +command allows the user to make a GPT labeled disk bootable via the BIOS +bootstrap on i386 and amd64 machines. +By default, +the +.Pa /boot/pmbr +boot loader is installed into the PMBR and the +.Pa /boot/gptboot +boot loader is installed into the first boot partition. +If no boot partition exists and there is available space, +a boot partition will be created. +.Pp +The +.Fl b Ar pmbr +option allows the user to specify an alternate path for the PMBR boot loader. +.Pp +The +.Fl g Ar gptboot +option allows the user to specify an alternate path for the GPT boot loader +that is installed into the boot partition. +.Pp +The +.Fl s Ar count +option allows the user to specify the size in sectors of the boot partition +if one does not already exist. +A boot partition must be at least 16 kilobytes. +By default, +a size of 64 kilobytes is used. +Note that the PMBR boot loader will load the entire boot partition into +memory. +As a result, the boot partition may not exceed 545 kilobytes. .\" ==== create ==== .It Nm Ic create Oo Fl fp Oc Ar device ... The |