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From: "Kumar G" <kumarg27061979@gmail.com>
Date: Mon, 27 Jul 2020 10:58:18 +0530
Message-ID: <CA+mqX-w6FkwCQrqug_Y32cS5k+4ApJUqJ9vf2EK6tCSGVNSVmQ@mail.gmail.com>
Subject: Re: Help of acpi event
To: devel@edk2.groups.io
Cc: Tomas Pilar <Tomas.Pilar@arm.com>, nd <nd@arm.com>
Content-Type: multipart/alternative; boundary="000000000000d8521605ab6597db"

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Please help experts
On Tue, 21 Jul 2020 at 11:23, Kumar G <kumarg27061979@gmail.com> wrote:

> Hi Experts,
>
> I am moving from device tree world to acpi. I found the event notification
> feature of acpi table interesting.
>
> I have some questions over notification
> -  Is some hardware can generate events and notify OS by its own ?(if yes
> , please help me how) , I mean without calling any method from OS
>
> - I may be wrong, but it looks OS needs to call a method in order to
> execution of Notify function of acpi table
>
> - Is this correct acpi tables are static piece of code, having no
> thread/execution context, All execution in done from OS
>
>
> Thanks
> Kumar G
>

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<div dir=3D"ltr"><div>Please help experts <br></div><div class=3D"gmail_quo=
te"><div class=3D"gmail_attr" dir=3D"ltr">On Tue, 21 Jul 2020 at 11:23, Kum=
ar G &lt;<a href=3D"mailto:kumarg27061979@gmail.com">kumarg27061979@gmail.c=
om</a>&gt; wrote:<br></div><blockquote class=3D"gmail_quote" style=3D"margi=
n:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);bor=
der-left-width:1px;border-left-style:solid"><div dir=3D"ltr"><div>Hi Expert=
s, </div><div><br></div><div>I am moving from device tree world to acpi. I =
found the event notification feature of acpi table interesting. </div><div>=
<br></div><div>I have some questions over notification </div><div>- =C2=A0I=
s some hardware can generate events and notify OS by its own ?(if yes , ple=
ase help me how) , I mean without calling any method from OS </div><div><br=
></div><div>- I may be wrong, but it looks OS needs=C2=A0to=C2=A0call a met=
hod=C2=A0in order to execution of Notify function of acpi table </div><div>=
<br></div><div>- Is this correct acpi tables are static piece of code, havi=
ng no thread/execution context, All execution in done from OS=C2=A0</div><d=
iv><br></div><div><br></div><div>Thanks</div><div>Kumar G</div></div>
</blockquote></div></div>

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