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New -as mkisofs options --gpt-iso-bootable and --gpt-iso-not-ro

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Thomas Schmitt
2021-05-25 21:22:43 +02:00
parent db5d4eb867
commit 23d0d8e90a
5 changed files with 123 additions and 69 deletions
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17
xorriso/xorrisofs.texi
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@ -50,7 +50,7 @@
@c man .\" First parameter, NAME, should be all caps
@c man .\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
@c man .\" other parameters are allowed: see man(7), man(1)
@c man .TH XORRISOFS 1 "Version 1.5.5, Jan 30, 2021"
@c man .TH XORRISOFS 1 "Version 1.5.5, May 25, 2021"
@c man .\" Please adjust this date whenever revising the manpage.
@c man .\"
@c man .\" Some roff macros, for reference:
@ -1725,6 +1725,21 @@ If no bootable MBR is indicated by other options and a partition gets created
by -append_partition, then @minus{}@minus{}mbr-force-bootable causes a
bootflag like it would do with e.g. @minus{}@minus{}protective-msdos-label.
@c man .TP
@item @minus{}@minus{}gpt-iso-bootable
@kindex @minus{}@minus{}gpt-iso-bootable Set Legacy BIOS bootable flag
@cindex Bootability, GPT Legacy BIOS bootable, @minus{}@minus{}gpt-iso-bootable
Set bit 2 of the GPT partition flags for the ISO 9660 partition if such a GPT
partition emerges. This bit is specified as "Legacy BIOS bootable" but its
true significance is unclear.
Some GPT-aware BIOS might want to see it in some partition.
@c man .TP
@item @minus{}@minus{}gpt-iso-not-ro
@kindex @minus{}@minus{}gpt-iso-not-ro Do not set Read-only flag
@cindex Bootability, GPT Read-only flag, @minus{}@minus{}gpt-iso-not-ro
Do not set bit 60 of the GPT partition flags for the ISO 9660 partition if such
a GPT partition emerges. This bit is specified as "Read-only" and thus
appropriate. But it is unusual in GPT disk partitions.
@c man .TP
@item -partition_offset 2kb_block_adr
@kindex -partition_offset Make mountable by partition 1
@cindex Mountability, by non-trivial partition 1, -partition_offset