[syslinux] [PATCH][git-pull] doc/syslinux.txt: CONFIG and LOCALBOOT

[H. Peter Anvin]

On 03/01/2011 10:01 AM, Gene Cumm wrote:
> 
> This kind of confusion is why I decided to try my hand at editing this
> and hopefully make it clearer and more up to date.  See
> http://git.zytor.com/?p=users/genec/syslinux.git;a=blob;f=doc/syslinux.txt;h=b6d3ec2dd01366c59e1039bb3a3a4e7ff73fb9e7;hb=844e23ab45df8396cabdeff43763fa95206bb672
> starting at line 244.  As you can see, the file is doc/syslinux.txt.
> 
> -1 reports a boot failure to the BIOS.  If I recall correctly, there
> are actually a few ways to go about doing so.  It appears INT18h is
> used by everything first.  PXELINUX and ISOLINUX have a second fall
> back of jumping to F000:0FF0h.  SYSLINUX will fall back to INT19h.
> 
> 0 does not always mean boot next option.  For PXELINUX, it does.  For
> ISOLINUX, it means boot the first floppy drive.
> 

SYSLINUX uses exactly the same code as ISOLINUX (localboot.inc); it's
only PXELINUX which is different.

	-hpa