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Added a new source of information about CHRP to boot_sectors.txt

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Thomas Schmitt 2013-05-01 20:28:24 +02:00
parent d5cd610ac7
commit e1b54056e8
2 changed files with 12 additions and 5 deletions
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8
ChangeLog
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@ -1,12 +1,14 @@
bzr branch lp:libisofs/for-libisoburn (to become libisofs-1.3.0.tar.gz) bzr branch lp:libisofs/for-libisoburn (to become libisofs-1.3.0.tar.gz)
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* Bug fix: Unspecified Expiration Time and Effective Time of ISO volume was
represented by 0-bytes rather than ASCII '0' digits.
* Bug fix: Reserved and unused fields of APM entries were not zeroed.
* New option bits with el_torito_set_isolinux_options() and * New option bits with el_torito_set_isolinux_options() and
iso_write_opts_set_system_area() to control GRUB2 patching of iso_write_opts_set_system_area() to control GRUB2 patching of
boot image and MBR. boot image and MBR.
* New API calls iso_image_set_sparc_core() and iso_image_get_sparc_core(). * New API calls iso_image_set_sparc_core() and iso_image_get_sparc_core().
* Bug fix: Unspecified Expiration Time and Effective Time of ISO volume was
represented by 0-bytes rather than ASCII '0' digits.
* Bug fix: Reserved and unused fields of APM entries were not zeroed.
* Bug fix: GPT header CRC was computed from all 512 bytes rather than from 92.
* Bug fix: The protective MBR partition for GPT started at block 0 instead of 1.
libisofs-1.2.8.tar.gz Mon Mar 18 2013 libisofs-1.2.8.tar.gz Mon Mar 18 2013

9
doc/boot_sectors.txt
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@ -906,13 +906,18 @@ PReP boots via a MBR partition containing only raw ELF and having type 0x41.
Sources: Sources:
Mail conversations with Vladimir Serbinenko. Mail conversations with Vladimir Serbinenko.
http://stuff.mit.edu/afs/sipb/contrib/doc/specs/protocol/chrp/chrp1_7a.pdf
CHRP is marked by an MBR partition entry of type 0x96 spanning the whole CHRP is marked by an MBR partition entry of type 0x96 spanning the whole
ISO 9660 image. ISO 9660 image.
The specs in chrp1_7a.pdf promise that CHRP also recognizes ISO 9660 file
systems on unpartitioned disks. (See 11.1.1. Media Layout Format)
Vladimir Serbinenko stated:
PReP boot may be preferable. At least it can co-exist with other partitions PReP boot may be preferable. At least it can co-exist with other partitions
in the ISO image. in the ISO image [without causing overlapping between partitions].
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