* how is the boot process of the multicore system
@ 2007-08-22 14:53 Xu Yang
2007-08-22 15:33 ` Alan Cox
0 siblings, 1 reply; 3+ messages in thread
From: Xu Yang @ 2007-08-22 14:53 UTC (permalink / raw)
To: linux-kernel
Hi everyone,
I am just wondering how is the boot process of the multicore system exactly.
let's say there are 4 cores , what is the booting sequence? and how
does linux realise the booting process?
anyone has any idea?
thanks
regards,
Yang
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: how is the boot process of the multicore system
2007-08-22 14:53 how is the boot process of the multicore system Xu Yang
@ 2007-08-22 15:33 ` Alan Cox
2007-08-22 15:37 ` Xu Yang
0 siblings, 1 reply; 3+ messages in thread
From: Alan Cox @ 2007-08-22 15:33 UTC (permalink / raw)
To: Xu Yang; +Cc: linux-kernel
On Wed, 22 Aug 2007 16:53:41 +0200
"Xu Yang" <risingsunxy@googlemail.com> wrote:
> Hi everyone,
>
> I am just wondering how is the boot process of the multicore system exactly.
> let's say there are 4 cores , what is the booting sequence? and how
> does linux realise the booting process?
For PC type systems read the Intel MP 1.4 specification, available on the
intel developer web site
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: how is the boot process of the multicore system
2007-08-22 15:33 ` Alan Cox
@ 2007-08-22 15:37 ` Xu Yang
0 siblings, 0 replies; 3+ messages in thread
From: Xu Yang @ 2007-08-22 15:37 UTC (permalink / raw)
To: Alan Cox; +Cc: linux-kernel
thanks,
then what about the arm-realview-mpcore?
I found that in mpcore there are 4 cores, the cpu0 boots first, and
the others wait in the WFI(wait for interrupt) state. as far as i know
it is the boot monitor set these cores into WFI state. I just wonder
what happens after these cores get the interrupt. they jump to the
kernel? or sth eles? if they jump to the kernel, to what address? and
these jump instructions are in the boot monitor?
sorry for so many questions....
thanks a lot.
2007/8/22, Alan Cox <alan@lxorguk.ukuu.org.uk>:
> On Wed, 22 Aug 2007 16:53:41 +0200
> "Xu Yang" <risingsunxy@googlemail.com> wrote:
>
> > Hi everyone,
> >
> > I am just wondering how is the boot process of the multicore system exactly.
> > let's say there are 4 cores , what is the booting sequence? and how
> > does linux realise the booting process?
>
> For PC type systems read the Intel MP 1.4 specification, available on the
> intel developer web site
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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