[syslinux] isohybrid boot from logical partition

Martin Str|mberg ams at ludd.ltu.se
Thu Mar 23 22:51:57 PDT 2017


I wrote:
> But isohdpfx.S is buggy:
...
>   /* Check to see if we have EBIOS */
>   pushw %dx       /* drive number */
>   movb      $0x41, %ah      /* %al == 0 already */
> 
> Here it claims that al is zero. This is not true. Especially if you

Looking at it some more, I've concluded that the bug is the comment.
AL doesn't have to be zero and there's no guarantee it is.
That comment should be removed.


-- 
MartinS


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