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Host rtc sync #143

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Host rtc sync #143

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Commits on Feb 8, 2022

  1. Replace guest_time_keeping.sh with QMP client utility 

    Now guest_time_keeping.sh just creates the QMP channel and passes
control to guest_rtc_monitor utility.

Tracked-On: OAM-100921
Signed-off-by: Zhuocheng Ding <[email protected]>
Signed-off-by: Swee Yee Fonn <[email protected]>
    @dingzhc @sfonn
    dingzhc authored and sfonn committed Feb 8, 2022
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  2. Add '--external-wakeup-mode' option to use host rtc 

    Add --external-wakeup-mode option for start_civ.sh script.
With this option, "-global mc146818rtc.external_wakeup=on"
is passed to qemu-system-x86_64 commandline.

This option should be used in tandem with
--guest-pm-control and --guest-time-keep.

Tracked-On: OAM-100922
Signed-off-by: Zhuo Peng <[email protected]>
Signed-off-by: Swee Yee Fonn <[email protected]>
    @zhuopeng-sg @sfonn
    zhuopeng-sg authored and sfonn committed Feb 8, 2022
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