[syslinux] Syslinux roadmap, revised

[H. Peter Anvin]

On 10/23/2009 10:10 PM, Steffen Winterfeldt wrote:
>
> I need a place to put the real mode code. Also, there seems to be no way to
> call back into a com32 module; e.g. if I want to open & read a file from
> the gfxboot side I can't use com32 code for that but have to make int 22h calls
> directly. Something like libc signal()s, could do the trick, maybe.
>

There is a macro called pm_call on the fsc branch, but the problem is 
that an upcall from 16-bit mode will still hold the 16-bit mutex, which 
is a problem for the multithreaded 32-bit code on the lwip branch.

	-hpa