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TF-A Tech Forum
Thursday Jun 1, 2023 ⋅ 4pm – 5pm
United Kingdom Time
Provisional topic: SVE enablement for Realms. More details on this nearer
the time....=====================We run an open technical forum call for
anyone to participate and it is not restricted to Trusted Firmware project
members. It will operate under the guidance of the TF TSC. Feel free to
forward this invite to colleagues. Invites are via the TF-A mailing list
and also published on the Trusted Firmware website. Details are
here: https://www.trustedfirmware.org/meetings/tf-a-technical-forum/Trusted
Firmware is inviting you to a scheduled Zoom meeting.Join Zoom
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Apologies for late notice but the TF-A TechForum is cancelled today.
We were hoping a topic would be ready however that is not the case.
I try to send notifications a day before but over looked that last night.
I will be provisionally updating the session on 2nd June with a topic.
Thanks
Joanna
This event has been canceled.
TF-A Tech Forum
Thursday May 18, 2023 ⋅ 4pm – 5pm
United Kingdom Time
We run an open technical forum call for anyone to participate and it is not
restricted to Trusted Firmware project members. It will operate under the
guidance of the TF TSC. Feel free to forward this invite to
colleagues. Invites are via the TF-A mailing list and also published on the
Trusted Firmware website. Details are
here: https://www.trustedfirmware.org/meetings/tf-a-technical-forum/Tr…
Firmware is inviting you to a scheduled Zoom meeting.Join Zoom
Meetinghttps://zoom.us/j/9159704974Meeting ID: 915 970 4974One tap
mobile+16465588656,,9159704974# US (New York)+16699009128,,9159704974# US
(San Jose)Dial by your location +1 646 558
8656 US (New York) +1 669 900
9128 US (San Jose) 877 853 5247 US
Toll-free 888 788 0099 US Toll-freeMeeting ID:
915 970 4974Find your local
number: https://zoom.us/u/ad27hc6t7h
Guests
marek.bykowski(a)gmail.com
okash.khawaja(a)gmail.com
tf-a(a)lists.trustedfirmware.org
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stop receiving future updates for this event, decline this event.
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TF-A Community,
This is to notify that we are planning to target the Trusted Firmware-A 2.9 release during the middle of May 2023 as part of the regular 6 month cadence.
The aim is to consolidate all TF-A work since the 2.8 release. As part of this, a release candidate tag is targeted to be created and release activities commence from 10th May 2023 across all TF-A repositories.
Essentially we will not merge any major enhancements from this date until the release is made.
Please ensure any patches desired to make the 2.9 release are submitted in good time to be complete by 9th May 2023.
Any major enhancement patches still open after that date will not be merged until after the release.
This will involve the various repositories making up the broader TF-A project including the TF-A mainline, TF-A Tests, Hafnium, TF-A CI Scripts and TF-A CI Job. In addition a TF-RMM repository release will be made that is compatible with v2.9.
We will endeavour minimise the disruption on patch merging and complete release activities ASAP after we start normally completing within 7-10 working days.
Regards
Joanna Farley
Hi,
I am currently doing research to implement the Transfer List to comply with
Arm's firmware handoff spec (
https://github.com/FirmwareHandoff/firmware_handoff) in order to have a
standardized handoff approach between different firmware stages during boot.
The idea is to create a Transfer List in BL2 and cache it into a
pre-allocated memory in SRAM that can be shared between BL2 and BL3x.
A prototype currently available is creating APIs under qemu platform code
to retrieve the pre-defined memory address (The shared memory region is
defined in platform_def.h).
But I think we need to define a common API for this purpose to support all
platforms.
Please share your views or any suggestions.
Thanks.
Regards,
Raymond
Hi,
Please find the latest report on new defect(s) introduced to ARM-software/arm-trusted-firmware found with Coverity Scan.
1 new defect(s) introduced to ARM-software/arm-trusted-firmware found with Coverity Scan.
New defect(s) Reported-by: Coverity Scan
Showing 1 of 1 defect(s)
** CID 384887: Uninitialized variables (UNINIT)
/mbedtls/library/x509.c: 1396 in mbedtls_x509_parse_subject_alt_name()
________________________________________________________________________________________________________
*** CID 384887: Uninitialized variables (UNINIT)
/mbedtls/library/x509.c: 1396 in mbedtls_x509_parse_subject_alt_name()
1390 if (ret != 0) {
1391 return ret;
1392 }
1393
1394 memset(san, 0, sizeof(mbedtls_x509_subject_alternative_name));
1395 san->type = MBEDTLS_X509_SAN_OTHER_NAME;
>>> CID 384887: Uninitialized variables (UNINIT)
>>> Using uninitialized value "other_name". Field "other_name.type_id" is uninitialized when calling "memcpy". [Note: The source code implementation of the function has been overridden by a builtin model.]
1396 memcpy(&san->san.other_name,
1397 &other_name, sizeof(other_name));
1398
1399 }
1400 break;
1401 /*
________________________________________________________________________________________________________
To view the defects in Coverity Scan visit, https://u15810271.ct.sendgrid.net/ls/click?upn=HRESupC-2F2Czv4BOaCWWCy7my0P…
Hi,
Arm worked to draft a firmware handoff [1] specification, evolving it based on community feedback.
This activity followed the request of some members of the Arm ecosystem [2].
The spec (still at ALP – feedback/comments welcome!) standardizes how information is propagated between different firmware components during boot.
The spec hopes to remove the reliance on bespoke/platform-specific information handoff mechanisms, thus reducing the code maintenance burden.
The concept of entry types is present in the spec – these are data structure layouts that carry a specific type of data.
New types are meant to be added, following the needs and use-cases of the different communities.
Thus, these communities should be empowered to request new types!
To enable community contributions, the specification must be hosted in a location that is friendly to change requests.
We propose to host the spec in trustedfirmware.org (tf.org).
Tf.org hosts several open-source projects and already has an open governance model.
TF-A, and the associated community, rely on tf.org, and thus are already well equipped to maintain this specification and keep it up to date.
Tf.org is agnostic of any downstream projects that would adopt this specification (e.g. U-boot, EDK2, etc.).
We welcome the views of the communities and want to understand if there are any strong objections to what’s being proposed!
If anyone has objections, we are happy to consider alternatives and associated trade-offs.
Regards
[1] https://developer.arm.com/documentation/den0135/latest
[2] Re: [TF-A] Proposal: TF-A to adopt hand-off blocks (HOBs) for information passing between boot stages - TF-A - lists.trustedfirmware.org<https://lists.trustedfirmware.org/archives/list/tf-a@lists.trustedfirmware.…>
This event has been canceled.
TF-A Tech Forum
Thursday May 4, 2023 ⋅ 4pm – 5pm
United Kingdom Time
We run an open technical forum call for anyone to participate and it is not
restricted to Trusted Firmware project members. It will operate under the
guidance of the TF TSC. Feel free to forward this invite to
colleagues. Invites are via the TF-A mailing list and also published on the
Trusted Firmware website. Details are
here: https://www.trustedfirmware.org/meetings/tf-a-technical-forum/Tr…
Firmware is inviting you to a scheduled Zoom meeting.Join Zoom
Meetinghttps://zoom.us/j/9159704974Meeting ID: 915 970 4974One tap
mobile+16465588656,,9159704974# US (New York)+16699009128,,9159704974# US
(San Jose)Dial by your location +1 646 558
8656 US (New York) +1 669 900
9128 US (San Jose) 877 853 5247 US
Toll-free 888 788 0099 US Toll-freeMeeting ID:
915 970 4974Find your local
number: https://zoom.us/u/ad27hc6t7h
Guests
marek.bykowski(a)gmail.com
okash.khawaja(a)gmail.com
tf-a(a)lists.trustedfirmware.org
~~//~~
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stop receiving future updates for this event, decline this event.
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