Re: [f-cpu] spec draft about booting F-CPU

[Yann Guidon <whygee@f-cpu.org>]

hi !

Ben Franchuk wrote:

> Yann Guidon wrote:
>
>>> Also would not splitting the CPU in to smaller segments
>>> like CPU only Memory Management, I/O and Basic OS functions
>>> handeled by other well abstracted CPU blocks? 
>>
>>
> A multi-tasking OS requires multi-threads running on
> a single CPU to abstract OS functions. Look at Minux
> for example 4 states 1) Irq/trap service 2) memory management
> process 3) File & I/O process 4) user process.
> Right now you trap for every OS service and time slice
> a single cpu as the default. Multi-cpu's still follow
> the same model. Even deicated hardware like smart I/O
> can't make much improvment.
> The default would be best if was deicated smart I/O.
> If you don't have smart I/O then you fall back to
> Multi-cpu operations. If that fails you fall back to
> a single cpu. I think a generic standard I/O interface
> can be developed but it requires thought at the system
> rather than the CPU level.

but there is no relationship with boot, it seems.
it's more a kernel matter.... and F-CPU is only
a microprocessor project :-)

YG

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