search for: report_lba

...ranslated: -a Displays the allocation summary for files and directories. -m Ignores the maximum size limit of an image. -o Optimizes storage by encoding duplicate files only once using a MD5 hashing algorithm to compare files. Option -a might be similar to xorriso command -find ... -exec report_lba. Option -m is a bit obscure to me. ISO 9660 max size is 2 exp 43 = 8 TiB. Option -o looks like an interesting feature. I wonder how oscdimg.exe knows that it has to apply boot-info-table patching to the boot.bin file. Have a nice day :) Thomas

...n". > Please adjust to "/cd/isolinux/boot.bin" if i am wrong. I'll use isolinux.bin directly - oscdimg complained that it's too large, so I just dded the first 2048 bytes to boot.bin to get it to shut up. > Option -a might be similar to xorriso command -find ... -exec report_lba. -a is just because I'm curious - doesn't make a difference. > Option -m is a bit obscure to me. ISO 9660 max size is 2 exp 43 = 8 TiB. This one isn't actually necessary with my test, since the resulting ISO is small enough, but IIRC, without it oscdimg won't make ISOs larger...

> In case it ever becomes important to have an EFI boot image larger > than 32 MB, there are xorriso.exe around. Based on Cygwin, i guess. > It should also be possible to build GNU xorriso in Cygwin from source. > > > Have a nice day :) > > Thomas FWIW... Thomas, the "xorriso.exe" files that are available are not really "around". They are not easy

...first graphical Debian menu. The "ISOLINUX 6.03 ..." messages vanishes too fast for my eyes. So i damage the ISO to prevent booting the Debian payload. For that purpose i obtain the 2048-block address of isolinux.cfg xorriso -indev "$iso" -find /isolinux/isolinux.cfg -exec report_lba -- This reports: Report layout: xt , Startlba , Blocks , Filesize , ISO image path File data lba: 0 , 303939 , 1 , 157 , '/isolinux/isolinux.cfg' I flatten its content block to zero: dd if=/dev/zero conv=notrunc bs=2048 count=1 seek=303939 of="$iso" Now...

On Fri, Mar 24, 2017 at 05:38:31PM +0100, Thomas Schmitt via Syslinux wrote: > isohdpfc pushes the CX value to the stack which it gets from INT 13 AH 41. > Quite surely bit 0 of that CX is not set. But bit 2 "Enhanced Disk Drive" > could be set. > https://en.wikipedia.org/wiki/INT_13H > > I understand on David's BIOS after > > andw $1,%cx