[syslinux] [PATCH] mboot using module path

Damien damien.nozay at gmail.com
Wed Jul 29 12:28:27 PDT 2009


Thanks!
I'll test it out and let you know.

On Tue, Jul 28, 2009 at 8:22 PM, H. Peter Anvin<hpa at zytor.com> wrote:
> On 07/28/2009 12:30 PM, Damien wrote:
>> Hey,
>>
>> Yes, it would help,
>> the pxelinux code AFAIK, uses option 210 to get the path prefix, and
>> this is what is used as the CurrentDirName. The mangling function uses
>> PathPrefix when (IMHO) it should use CurrentDirName. The patches sent earlier
>> changes that in the mangling function and implements chdir as a function to
>> change CurrentDirName through syscall 0x22 - 0025h (a strcpy...). Iow,
>> PathPrefix
>> is safe, and can be restored anytime.
>> I only jumped in because this 127 chars limit is blocking me. If
>> someone can change that without the linker complaining that's fine too
>> :)
>>
>> Thanks for the ideas.
>>
>
> Well, it turns out that simply rebalancing the bss sections make it
> possible to increase the limit to 251 characters, so that is hopefully
> sufficient for the time being, until Syslinux 4 is ready.
>
> I have pushed this out as syslinux-3.83-pre2.  Please be so kind and
> help test it out, as I will have very limited time to do so.
>
>        -hpa
>
> --
> H. Peter Anvin, Intel Open Source Technology Center
> I work for Intel.  I don't speak on their behalf.
>
>




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