* [Qemu-devel] main-system-bus
@ 2012-03-13 12:23 Wanpeng Li
2012-03-13 12:32 ` Andreas Färber
0 siblings, 1 reply; 2+ messages in thread
From: Wanpeng Li @ 2012-03-13 12:23 UTC (permalink / raw)
To: qemu-devel
Hi all:
I am confused with what's the meaning of main-system-bus, it emulates
physical bus like FSB(front side bus) or just a virtual bus as the root
of device tree.
Regards,
Wanpeng Li
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [Qemu-devel] main-system-bus
2012-03-13 12:23 [Qemu-devel] main-system-bus Wanpeng Li
@ 2012-03-13 12:32 ` Andreas Färber
0 siblings, 0 replies; 2+ messages in thread
From: Andreas Färber @ 2012-03-13 12:32 UTC (permalink / raw)
To: Wanpeng Li; +Cc: qemu-devel
Hi,
Am 13.03.2012 13:23, schrieb Wanpeng Li:
> I am confused with what's the meaning of main-system-bus, it emulates
> physical bus like FSB(front side bus) or just a virtual bus as the root
> of device tree.
The latter. It's an artificial construct that was needed for
tree-oriented qdev and is likely to go away with QOM (there is no real
bus state, just a convient extension of device for mmio+irqs).
HTH,
Andreas
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^ permalink raw reply [flat|nested] 2+ messages in thread
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