[ColinIanKing/fwts] bios: smm: add a test to check SMM lock bits (f0c371a)

[Alex Hung]

The original idea was from
https://opensecuritytraining.info/IntroBIOS_files/Day1_08_Advanced%20x86%20-%20BIOS%20and%20SMM%20Internals%20-%20SMRAM.pdf

I don't remember exact sources but some public references can be found here:

https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/8th-gen-core-datasheet-vol-2.pdf
or
https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/10th-gen-core-families-datasheet-vol-2-datasheet.pdf


On Sun, Aug 22, 2021 at 11:48 PM Watson Huang (黃宏田) <
Watson.Huang at quantatw.com> wrote:

> Hi Sir,
>
> May I know which specification point that 00:00.0 offset 50h, B8h and BCh
> are lock registers of GGC, TSEGMB and TOLUD?
>
>
>
> Thanks & Best regards,
>
> Watson Huang
>
>
>
> *Tel: +886-3-327-2345 Ext: 13382*
>
> *Please note that these proposals/communications/suggestions/comments are
> subject to the confidential obligations between both parties and cannot be
> redistributed outside your company without Quanta’s written approval.  The
> information or materials provided or made available by Quanta are highly
> confidential and solely for the purpose of your evaluation.  Any and all
> other rights, title or entitlement including, without limitation, patents,
> copyrights, trademarks, trade secrets, mask rights or other intellectual
> property rights related to or arising out of such material or information
> shall be reserved and owned by the Quanta.*
>
>
>
> *From:* Colin Ian King <notifications at github.com>
> *Sent:* Wednesday, August 18, 2021 5:57 PM
> *To:* ColinIanKing/fwts <fwts at noreply.github.com>
> *Cc:* Watson Huang (黃宏田) <Watson.Huang at quantatw.com>; Comment <
> comment at noreply.github.com>
> *Subject:* Re: [ColinIanKing/fwts] bios: smm: add a test to check SMM
> lock bits (f0c371a)
>
>
>
> Please ask the question using the fwts-devel at lists.ubuntu.com mailing
> list.
>
> —
> You are receiving this because you commented.
> Reply to this email directly, view it on GitHub
> <https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2FColinIanKing%2Ffwts%2Fcommit%2Ff0c371a1602b19fa38eaca6dd2bfba576b0ac9db%23commitcomment-55068507&data=04%7C01%7CWatson.Huang%40quantatw.com%7Ce30886216697429d026a08d9622e8c9a%7C179b032707fc4973ac738de7313561b2%7C1%7C0%7C637648774334779563%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=S6Zf0vJfe3tPnJ9zL9GjrZx1XQdJIlObjKT0NSWzrIc%3D&reserved=0>,
> or unsubscribe
> <https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgithub.com%2Fnotifications%2Funsubscribe-auth%2FAMOS362DZPMDBJHB2OLPRFTT5N7XHANCNFSM5CLMU5MQ&data=04%7C01%7CWatson.Huang%40quantatw.com%7Ce30886216697429d026a08d9622e8c9a%7C179b032707fc4973ac738de7313561b2%7C1%7C0%7C637648774334779563%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=MrH0I%2Bz1fZ3ZLICxuB29979LcawUcuhzWv4%2Fu0g2%2BCQ%3D&reserved=0>
> .
> Triage notifications on the go with GitHub Mobile for iOS
> <https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fapps.apple.com%2Fapp%2Fapple-store%2Fid1477376905%3Fct%3Dnotification-email%26mt%3D8%26pt%3D524675&data=04%7C01%7CWatson.Huang%40quantatw.com%7Ce30886216697429d026a08d9622e8c9a%7C179b032707fc4973ac738de7313561b2%7C1%7C0%7C637648774334789527%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=tuHFFCy8f9ND6EQItdfIqp7AfD9lvxxmoHumidGu7Do%3D&reserved=0>
> or Android
> <https://apc01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fplay.google.com%2Fstore%2Fapps%2Fdetails%3Fid%3Dcom.github.android%26utm_campaign%3Dnotification-email&data=04%7C01%7CWatson.Huang%40quantatw.com%7Ce30886216697429d026a08d9622e8c9a%7C179b032707fc4973ac738de7313561b2%7C1%7C0%7C637648774334789527%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=cADeH8qzY78W0BbaedprHoRf2wJIHvfM2VSRAQAu650%3D&reserved=0>
> .
> --
> fwts-devel mailing list
> fwts-devel at lists.ubuntu.com
> Modify settings or unsubscribe at:
> https://lists.ubuntu.com/mailman/listinfo/fwts-devel
>


-- 
Cheers,
Alex Hung
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.ubuntu.com/archives/fwts-devel/attachments/20210823/000f2384/attachment-0001.html>