* [Qemu-devel] QEMU device timer
@ 2011-09-22 12:28 Xin Tong
2011-09-24 11:58 ` 陳韋任
0 siblings, 1 reply; 4+ messages in thread
From: Xin Tong @ 2011-09-22 12:28 UTC (permalink / raw)
To: qemu-devel
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I am new to QEMU. I saw most devices in QEMU has a timer associated with it.
What are the timers used for ?
Thanks
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^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [Qemu-devel] QEMU device timer
2011-09-22 12:28 [Qemu-devel] QEMU device timer Xin Tong
@ 2011-09-24 11:58 ` 陳韋任
2011-09-24 14:22 ` Xin Tong
0 siblings, 1 reply; 4+ messages in thread
From: 陳韋任 @ 2011-09-24 11:58 UTC (permalink / raw)
To: Xin Tong; +Cc: qemu-devel
> I am new to QEMU. I saw most devices in QEMU has a timer associated with it.
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
For example?
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [Qemu-devel] QEMU device timer
2011-09-24 11:58 ` 陳韋任
@ 2011-09-24 14:22 ` Xin Tong
2011-09-25 4:31 ` 陳韋任
0 siblings, 1 reply; 4+ messages in thread
From: Xin Tong @ 2011-09-24 14:22 UTC (permalink / raw)
To: 陳韋任; +Cc: qemu-devel
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In rtl8139.c There is a
/* PCI interrupt timer */
QEMUTimer *timer;
Xin
On Sat, Sep 24, 2011 at 7:58 AM, 陳韋任 <chenwj@iis.sinica.edu.tw> wrote:
> > I am new to QEMU. I saw most devices in QEMU has a timer associated with
> it.
>
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> For example?
>
> Regards,
> chenwj
>
> --
> Wei-Ren Chen (陳韋任)
> Computer Systems Lab, Institute of Information Science,
> Academia Sinica, Taiwan (R.O.C.)
> Tel:886-2-2788-3799 #1667
>
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^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [Qemu-devel] QEMU device timer
2011-09-24 14:22 ` Xin Tong
@ 2011-09-25 4:31 ` 陳韋任
0 siblings, 0 replies; 4+ messages in thread
From: 陳韋任 @ 2011-09-25 4:31 UTC (permalink / raw)
To: Xin Tong; +Cc: qemu-devel, 陳韋任
> In rtl8139.c There is a
>
> /* PCI interrupt timer */
> QEMUTimer *timer;
QEMUTimer is a virtual timer (might use various virtual clocks) used by
hw or something else. In thise case, when the timer is time out, rtl8139
will generate a interrupt.
Regards,
chenwj
--
Wei-Ren Chen (陳韋任)
Computer Systems Lab, Institute of Information Science,
Academia Sinica, Taiwan (R.O.C.)
Tel:886-2-2788-3799 #1667
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2011-09-25 4:31 UTC | newest]
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2011-09-22 12:28 [Qemu-devel] QEMU device timer Xin Tong
2011-09-24 11:58 ` 陳韋任
2011-09-24 14:22 ` Xin Tong
2011-09-25 4:31 ` 陳韋任
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