- TF-A - lists.trustedfirmware.org

Trusted Firmware-A v2.7 release activities in May 2022

by Joanna Farley

TF-A Community, This is to notify that we are planning to target the Trusted Firmware-A 2.7 release during the fourth week of May 2021 as part of the regular 6 month cadence. This is a little later than originally targeted due to the number of patches still under review from contributors. The aim is to consolidate all TF-A work since the 2.6 release. As part of this, a release candidate tag will be created and release activities will commence some time during the week ending 20th May 2022 across all TF-A repositories. Any major enhancement patches still open after that date will not be merged until after the release. This release 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 Jobs. We will endeavour minimise the disruption on patch merging and complete release activities ASAP after we start. Thanks Joanna

2 years, 5 months

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New Defects reported by Coverity Scan for ARM-software/arm-trusted-firmware

by scan-admin＠coverity.com

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 378231: Control flow issues (UNREACHABLE) /plat/intel/soc/common/socfpga_sip_svc.c: 312 in is_out_of_sec_range() ________________________________________________________________________________________________________ *** CID 378231: Control flow issues (UNREACHABLE) /plat/intel/soc/common/socfpga_sip_svc.c: 312 in is_out_of_sec_range() 306 static int is_out_of_sec_range(uint64_t reg_addr) 307 { 308 #if DEBUG 309 return 0; 310 #endif 311 >>> CID 378231: Control flow issues (UNREACHABLE) >>> This code cannot be reached: "switch (reg_addr) { case ...". 312 switch (reg_addr) { 313 case(0xF8011100): /* ECCCTRL1 */ 314 case(0xF8011104): /* ECCCTRL2 */ 315 case(0xF8011110): /* ERRINTEN */ 316 case(0xF8011114): /* ERRINTENS */ 317 case(0xF8011118): /* ERRINTENR */ ________________________________________________________________________________________________________ To view the defects in Coverity Scan visit, https://u15810271.ct.sendgrid.net/ls/click?upn=HRESupC-2F2Czv4BOaCWWCy7my0P…

2 years, 5 months

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Updated invitation: TF-A Tech Forum @ Thu Apr 21, 2022 4pm - 5pm (BST) (tf-a@lists.trustedfirmware.org)

by joanna.farley＠arm.com

This event has been changed. Title: TF-A Tech Forum Topic: Feature Detection MechanismPresented by : Jayanth ChidanandAgenda:Feature detection mechanism is a diagnostic tool to quickly check and get assured of whether the architectural features enabled by software match with the given hardware implementation at an early stage of booting. It aims at mitigating the runtime-exceptions.I will be covering the implementation work completed so far and the impact ofReferences:TF-A Mailing List PostPatchesDocumentation=================================================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   (changed) When: Thu Apr 21, 2022 4pm – 5pm United Kingdom Time Calendar: tf-a(a)lists.trustedfirmware.org Who: (Guest list has been hidden at organizer's request) 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, 5 months

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TF-A Tech-Forum Agenda for Thursday 21-Apr-22 at 4pm BST

by Joanna Farley

Topic: Feature Detection Mechanism Presented by : Jayanth Chidanand Agenda: Feature detection mechanism is a diagnostic tool to quickly check and get assured of whether the architectural features enabled by software match with the given hardware implementation at an early stage of booting. It aims at mitigating the runtime-exceptions. I will be covering the implementation work completed so far and the impact of References: TF-A Mailing List Post<https://lists.trustedfirmware.org/archives/search?mlist=tf-a%40lists.truste…> Patches<https://review.trustedfirmware.org/q/topic:%22jc%252Fdetect_feat%22+(status…> Documentation<https://trustedfirmware-a.readthedocs.io/en/latest/search.html?q=FEATURE_DE…> ================================================= 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/<https://www.google.com/url?q=https://www.trustedfirmware.org/meetings/tf-a-…> 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…>

2 years, 5 months

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Updated invitation: TF-A Tech Forum @ Thu Apr 21, 2022 4pm - 5pm (BST) (tf-a@lists.trustedfirmware.org)

by joanna.farley＠arm.com

This event has been changed. Title: TF-A Tech Forum Topic: Feature Detection MechanismPresented by : Jayanth ChidanandAgenda:Feature detection mechanism is a diagnostic tool to quickly check and get assured of whether the architectural features enabled by software match with the given hardware implementation at an early stage of booting. It aims at mitigating the runtime-exceptions.I will be covering the implementation work completed so far and the impact ofReferences:TF-A Mailing List PostPatchesDocumentation=================================================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   (changed) When: Thu Apr 21, 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, 5 months

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Status of MTE for bl31

by Okash Khawaja

Hi, I wanted to check the status of MTE support for bl31 itself. It seems like the support was added [1] for clang and armclang but I couldn't find the memory attribute to map pages as tag checked [2]. Is there something I missed? Thanks, Okash [1] https://review.trustedfirmware.org/plugins/gitiles/TF-A/trusted-firmware-a/… [2] https://review.trustedfirmware.org/plugins/gitiles/TF-A/trusted-firmware-a/…

2 years, 5 months

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MTE support at S-EL1

by Jens Wiklander

Hi, I've started to experiment with MTE in OP-TEE at S-EL1. I've compiled TF-A with CTX_INCLUDE_MTE_REGS and I'm testing this on QEMU. Before trying to use MTE in OP-TEE I check id_aa64pfr1_el1 and skip MTE initializations if unavailable. This works as long as TF-A always is compiled with CTX_INCLUDE_MTE_REGS if MTE is available. If TF-A is compiled without CTX_INCLUDE_MTE_REGS OP-TEE will be trapped into EL3 when trying to access one of the MTE registers. I suppose this is because SCR_EL3.ATA is 0. Is there a way for OP-TEE to tell if the MTE registers are safe to access? Thanks, Jens

2 years, 5 months

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TF-a would not handle PSCI_CPU_ON_AARCH64 if forwarded by a hypervisor

by Mushahid Hussain

Hi, I'm working on a hobby project: AARCH64 Hypervisor on Raspberry Pi 4b. I have a problem with trapping a psci smc. I'll explain everything and what steps I have followed. Right now, I'm implementing SMC trapping. I can successfully forward almost all SMCs except for PSCI_CPU_ON_AARCH64. Linux makes these SMCs to bring up secondary CPUs during booting. Here's what I'm trying to do: - trap the PSCI_CPU_ON_AARCH64 SMC, - preserve the entry_point address in global variable - replace the entrypoint with my entrypoint and make the smc to tf-a(or simply forward it.) - when secondary cpus come online at the given address, where I set their stack point and then eret the original address. Secondary cpus won't come online at the given address. Even if I don't change any arguments of CPU_ON smc and forward it as it is, the secondary cpus still won't come online. However, without trapping enabled(HCR_EL2.TSC=0), everything works fine. I tried to debug inside Trusted Firmware. I know that overall path for secondary CPU hotplug in is: CPU released from reset -> (ROM and possibly some other bootloader) -> bl31/aarch64/bl31_entrypoint.S:bl31_warm_entrypoint() -> lib/psci/psci_common.c:psci_warmboot_entrypoint() -> lib/psci/psci_on.c:psci_cpu_on_finish() -> rpi3_pwr_domain_on_finish() I printed at all these points in Trusted Firmware with and without trapping enabled. Here's what I found: Nothing gets printed anywhere in that path if trapping is enabled. However, without trapping enabled, I can print anywhere even in bl31_entrypoint.S:bl31_warm_entrypoint(). What could be the problem? Here's my code: https://github.com/SikkiLadho/Leo/blob/4f272eff39934058a7f989c91aad82eab810… -- Mushahid Hussain

2 years, 5 months

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Cortex-X1 support

by Okash Khawaja

Hello, Are there any immediate plans to add support for Cortex-X1 in TF-A? If not then I'll be happy to submit CL for it. For start, it will cover a subset of errata workarounds. Then people can add more as needed. Let me know what you think. Thanks, Okash

2 years, 5 months

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TF-A Tech Forum Agenda this week

by Joanna Farley

Session this week will be: * CCA Attestation and Measured boot * Presented by Tamas Ban * As a follow up to TF-A mailing list posting https://lists.trustedfirmware.org/archives/list/tf-a@lists.trustedfirmware.… 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

2 years, 5 months

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