Hello! On Wed, 2023-05-10 at 10:03 +0200, Thomas Schmitt wrote: > John Paul Adrian Glaubitz: > > I just don't know how to bless a bootloader located on a FAT partition. > > I know that xorriso does it and it works on ISO9660 filesystems, but I > > don't understand how. > > xorriso attributes blessing to an alternative HFS+ tree of the ISO. > This HFS+ tree is advertised by an Apple Partition Map entry. The HFS+ > related code was contributed by Vladimir Serbinenko for use by > grub-mkrescue. Intended audience are older x86 Macs. > > Apple once defined own SUSP additions to ISO 9660: > > https://web.archive.org/web/20000519225244/http://developer.apple.com/technotes/fl/fl_36.html > No text snippet "bless" is to see there. I'm not experienced enough with > Apple to tell whether blessing is among the "HFS finder flags". > > Whatever, this applies only to ISO 9660, not to FAT.
What's the alternative HFS+ tree of the ISO? Does it write a small HFS+ filesystem onto the ISO image? Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
