Hi, Mark Cave-Ayland wrote: > - In your second patch re-enable the -G/-B options but with -G set to > cdboot.img: > add_mkisofs_opt $CDDIR/../$N.mkisofs_opts "-G cdboot.img -B ..."
Does this refer to From: John Paul Adrian Glaubitz <glaub...@physik.fu-berlin.de> Date: Thu, 25 Apr 2019 00:05:45 +0200 https://lists.debian.org/debian-sparc/2019/04/msg00036.html ? > Once this is done and the ISO image is generated, [...] > - Next check the offset and size of /boot/grub/core.img embedded in > sector 1 using dd and hexdump. As per Thomas' message you should find > the offset in bytes of the start of /boot/grub/core.img at offset 552 > from the start of the .iso (64-bit big endian) and its size at offset > 560 from the start of the .iso (32-bit big endian) This would be put there by xorriso -as mkisofs option --grub2-sparc-core ...path.of.file.in.ISO.filesystem... With genisoimage it would be necessary to insert the info by post-processing. /usr/bin/isoinfo prints block addresses as first number in its "[ NN NN]" column. Byte offset is block address * 2048. Have a nice day :) Thomas
