TF-A January 2022

tf-a@lists.trustedfirmware.org

15 participants
14 discussions

by Joanna Farley

Hi Everyone, Welcome to 2022! To start off this year’s Tech Forum’s we will use the session this week to follow up on two ongoing email list discussion subjects: * Hafnium Build and Tooling Options. * Discussion led by Olivier Deprez. * Covering recent changes to the Hafnium project that has neem announced on the Hafnium mailing list https://lists.trustedfirmware.org/archives/list/hafnium@lists.trustedfirmwa…<https://www.google.com/url?q=https%3A%2F%2Flists.trustedfirmware.org%2Farch…> * Firmware Update and Anti-Rollback Versioning * Discussion led by Manish Badarkhe and Manish Pandey2 * An opportunity to discuss the recent email thread on this topic on the TF-A mailing list. https://lists.trustedfirmware.org/archives/list/tf-a@lists.trustedfirmware.…<https://www.google.com/url?q=https%3A%2F%2Flists.trustedfirmware.org%2Farch…> If you don’t have the invite which just been updated the meeting details are: TF-A Tech Forum Thursday, January 13⋅4:00 – 5:00pm GMT Trusted Firmware is inviting you to a scheduled Zoom meeting. Join Zoom Meeting https://zoom.us/j/9159704974<https://www.google.com/url?q=https://zoom.us/j/9159704974&sa=D&source=calen…> Meeting ID: 915 970 4974 One 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-free Meeting ID: 915 970 4974 Find your local number: https://zoom.us/u/ad27hc6t7h<https://www.google.com/url?q=https://zoom.us/u/ad27hc6t7h&sa=D&source=calen…> Thanks all Joanna

2 years, 3 months

Updated invitation: TF-A Tech Forum @ Thu Jan 13, 2022 4pm - 5pm (GMT) (tf-a@lists.trustedfirmware.org)

by joanna.farley＠arm.com

This event has been changed. Title: TF-A Tech Forum The Tech Forum this week will cover two discussion subjects:Hafnium Build and Tooling Options.  Discussion led by Olivier Deprez.Covering recent changes to the Hafnium project that has neem announced on the Hafnium mailing list https://lists.trustedfirmware.org/archives/list/hafnium@lists.trustedfirmwa… Update and Anti-Rollback VersioningDiscussion led by Manish Badarkhe and Manish Pandey2An opportunity to discuss the recent email thread on this topic on the TF-A mailing list. https://lists.trustedfirmware.org/archives/list/tf-a@lists.trustedfirmware.… 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   (changed) When: Thu Jan 13, 2022 4pm – 5pm United Kingdom Time Calendar: tf-a(a)lists.trustedfirmware.org Who: * Bill Fletcher - creator * marek.bykowski(a)gmail.com * okash.khawaja(a)gmail.com * tf-a(a)lists.trustedfirmware.org Event details: https://calendar.google.com/calendar/event?action=VIEW&eid=NWlub3Ewdm1tMmk1… Invitation from Google Calendar: https://calendar.google.com/calendar/ You are receiving this courtesy email at the account tf-a(a)lists.trustedfirmware.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://calendar.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to send a response to the organizer and be added to the guest list, or invite others regardless of their own invitation status, or to modify your RSVP. Learn more at https://support.google.com/calendar/answer/37135#forwarding

2 years, 3 months

MISRA C compliance spreadsheet access permission

by Lim, Jit Loon

Hi TF-A committee, We are trying to access to the MISRA C spreadsheet mentioned over here. [cid:image001.jpg@01D806BE.A535F7C0] https://developer.trustedfirmware.org/file/download/lamajxif3w7c4mpjeoo5/PH… However, we are facing issue to open the spreadsheet and we are getting "Invalid Authorization". [cid:image002.jpg@01D806BE.A535F7C0] After we click on the "Continue", the website show Restricted File and we have no access permission. [cid:image003.jpg@01D806BE.A535F7C0] Thus, we would like to get your help to assist us on how to obtain the spreadsheet. Hope to hear from you soon. Thanks Best Regards JL Lim (Benjamin)

2 years, 3 months

A problem about assert failed in TF-A

by Chenxu Wang

Hi all, I am running FVP with 2CPUs, Cactus SP (SEL1), Hafnium (SEL2) and KVM VHE. Sometimes I send the "FFA_MSG_SEND_DIRECT_REQ" smc call from KVM (I fill 0x8400006f in x0, then VMID and SP ID in x1, let x2 as 0). It says assert failed, like this: ASSERT: lib/el3_runtime/aarch64/context_mgmt.c:651 BACKTRACE: START: assert 0: EL3: 0x4005cac 1: EL3: 0x400323c 2: EL3: 0x400620c 3: EL3: 0x400e180 4: EL3: 0x4005a94 BACKTRACE: END: assert After I check the bl31.dump, I notice that: when services/std_svc/spmd/spmd_main.c sends the FFA call (from NS to S) via "spmd_smc_forward(smc_fid, secure_origin,x1, x2, x3, x4, handle)", it will go to cm_el1_sysregs_context_restore(secure_state_out) and cm_el2_sysregs_context_restore(secure_state_out), then it will assert the cm_get_context(). it gets the NULL context, so assert failed. Before the problem appeared, I have modified many codes on a dirty TF-A v2.4 (commit hash is 0aa70f4c4c023ca58dea2d093d3c08c69b652113), Hafnium and TF-A-TESTS. I also mail with Hafnium MailList, they consider it can be a problem in EL3. Such assert is NOT ALWAYS failed. I mean, maybe when I run FVP and send "smc" now, it is failed. But when I shut down, run FVP, and send the same instruction with the same parameter again, it is OK. I want to know, what is the possible reasons for suddenly losing the secure context. Can you give me some advice on debugging? e.g., where should I check? Need I provide more info? Sincerely, Wang

2 years, 3 months

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TF-A January 2022