search for: bi_pvd

...TO BOOT INFORMATION TABLE" says: ----------------------------------------------------------------------------- The format of this table is as follows; all integers are in section 7.3.1 ("little endian") format. Offset Name Size Meaning 8 bi_pvd 4 bytes LBA of primary volume descriptor 12 bi_file 4 bytes LBA of boot file 16 bi_length 4 bytes Boot file length in bytes 20 bi_csum 4 bytes 32-bit checksum 24 bi_reserved 40 bytes Reserved The 32-bi...

...rogram to take the .bin file and patch offset 0x14 with the proper checksum info. With that I now have a isolinux.bin file suitable for roxio - and probably other software. Is there any interest in this, or is the dependency on mkisofs there for another reason? Thanks, David 245c245 < bi_pvd: dd 0x00000010 ; LBA of primary volume descriptor ;DEB --- >bi_pvd: dd 0xdeadbeef ; LBA of primary >volume descriptor 247c247 < bi_length: dd size_of_code ; Length of boot file ;DE...

Hi, Ady wrote: > This is a quote from Wonko/Jaclaz, who has also been investigation this > issue and deserves credit for it: > Ok, not that I understand the code, but what *somehow* happens is that > the "embedded" checksum in Isolinux.bin (starting from 4.00) is the > checksum of the WHOLE file (i.e. starting from offset 0 instead of 64) > at a time when: > 1)

This patch introduces extra functionality to chain.c, mainly with reference to BPB adjustments, but not only that. It expects 3 small patches I sent earlier (they are included for easy reference, patches 1-3/4). The changes introduced are: 1) file and boot sector use separate options to control load address and jump address (if applicable). Options are as described below: *