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Re: [Qemu-devel] [PATCH v3 5/7] RTC:Add RTC update-ended interrupt suppo
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From: |
Paolo Bonzini |
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Subject: |
Re: [Qemu-devel] [PATCH v3 5/7] RTC:Add RTC update-ended interrupt support |
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Date: |
Fri, 02 Mar 2012 13:13:41 +0100 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.1) Gecko/20120216 Thunderbird/10.0.1 |
Il 02/03/2012 08:00, Zhang, Yang Z ha scritto:
> Use a timer to emulate update cycle. When update cycle ended and UIE is
> setting,
> then raise an interrupt. The timer runs only when UF or AF is cleared.
Isn't AF=0 the common case when the RTC starts, so the timer always runs
until the time crosses midnight?
Paolo