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Avoided -boot_image patching for images which obviously have no boot-info-table

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Thomas Schmitt
2010-04-29 13:33:34 +00:00
parent eea8016fc2
commit 224275e454
7 changed files with 207 additions and 149 deletions
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33
libisoburn/trunk/xorriso/xorriso.texi
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@ -44,7 +44,7 @@
@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 XORRISO 1 "Apr 26, 2010"
@c man .TH XORRISO 1 "Apr 28, 2010"
@c man .\" Please adjust this date whenever revising the manpage.
@c man .\"
@c man .\" Some roff macros, for reference:
@ -2637,20 +2637,21 @@ introduced into the ISO image or if an existing image gets relocated.
This is automatically done if type "isolinux" or "grub"
is given, but not with "any".
@*
@strong{show_status} will print what is known about the loaded image
and its designated fate.
@*
@strong{next} ends the definition of a boot image and starts a new one.
Any following -bootimage bootspecs will affect the new image.
The first "next" discards eventually loaded boot images and their
catalog.
@*
CAUTION: xorriso cannot recognize the inner form of boot images.
So the user has already to know about the particular needs of the
boot images which are present on the input media.
If patching is enabled, then boot images from previous sessions will
be checked whether they seem to bear a boot info table. If not,
then they stay unpatched. This check is not infallible. So if
you do know that the images need no patching, use "any" "keep".
"grub" "patch" will not patch EFI images (platform_id=0xef).
@*
Most safe is the default: -boot_image "any" "discard".
@*
Advised for GRUB : -boot_image "grub" "patch"
@*
For ISOLINUX : -boot_image "isolinux" "patch"
@*
@strong{show_status} will print what is known about the loaded boot images
and their designated fate.
@*
@sp 1
A @strong{bootspec} is a word of the form name=value and is used to describe
@ -2714,11 +2715,17 @@ It is limited to 24 characters. Other id_strings become section IDs.
Up to 20 bytes get read from the given characters [0-9A-Fa-f].
They get attributed to the boot image entry in the catalog.
@*
@strong{next} ends the definition of a boot image and starts a new one.
Any following -bootimage bootspecs will affect the new image.
The first "next" discards eventually loaded boot images and their
catalog.
@*
@strong{discard} gives up an existing boot catalog and its boot images.
@*
@strong{keep} keeps or copies boot images unaltered and writes a new catalog.
@*
@strong{patch} applies boot info table patching to existing boot images.
@strong{patch} applies patching to existing boot images
if they seem to bear a boot info table.
@*
@cindex System area, _definiton
@cindex MBR, set, -boot_image system_area=