- TF-M - lists.trustedfirmware.org

by Anton Komlev

Hello, The next Technical Forum is planned on Thursday, July 9 at 15:00-16:00 UTC (US time zone). Please reply on this email with your proposals for agenda topics. Best regards, Anton Komlev

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Re: [TF-M] [RFC] PSA Isolation (level 3) design document

by Ken Liu

Someone reported the previous mail is lost in their mailbox due to unknown reasons, let me re-send it. /Ken From: TF-M <tf-m-bounces(a)lists.trustedfirmware.org> On Behalf Of Ken Liu via TF-M Sent: Wednesday, June 24, 2020 3:08 PM To: tf-m(a)lists.trustedfirmware.org Cc: nd <nd(a)arm.com> Subject: [TF-M] [RFC] PSA Isolation (level 3) design document Hi, We have created one PSA Isolation implementation design document and now call for comments: https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/4730 The overall goal is to cover all isolation levels into this one document, and at current stage we take level 3 as an example. The image layout and regions are based on the assumption of the existing TF-M code base. Feel free to put comments, or post under this task: https://developer.trustedfirmware.org/T778 Thanks. /Ken

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[RFC] TF-M Documentation Contribution Format

by Minos Galanakis

Hi, As the project matures, and the community grows, I would like to revive an old discussion and suggest that we set some guidelines for contributing to the project's documentation. I would like to propose that we establish a minimal sub-set of rules, based on the official Python guidelines<https://devguide.python.org/documenting/#style-guide> which is the most widely used notation. This offers compatibility with existing tools for proofing and producing said documentation. The following rules should be considered: 1. H1 document title headers should be expressed by # with over-line (rows on top and bottom) of the text 2. Only ONE H1 header should allowed per document, ideally placed on top of the page. 3. H2 headers should be expressed by * with over-line 4. H2 header's text should be UNIQUE in per document basis 5. H3 headers should be expressed by a row of '=' 6. H4 headers should be expressed by a row of '-' 7. H3 and H4 headers have no limitation about naming. They can have similar names on the same document, as long as they have different parents. 8. H5 headers should be expressed by a row of '^' 9. H5 headers will be rendered in document body but not in menus on the navigation bar. 10. Do not use more than 5 level of heading 11. When writing guide, which are expected to be able to be readable by command line tools, it would be best practice to add long complicated tables, and UML diagrams in the bottom of the page and using internal references(auto-label). Please refer to the `tfm_sw_requirement.rst<https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/docs/getti…>` as an example 12. No special formatting should be allowed in Headers ( code, underline, strike-through etc ) 13. Long URLs and external references should be placed at the bottom of the page and referenced in the body of the document 14. New introduced terms and abbreviations should be added to Glossary and directly linked by the `:term:` notation across all documents using it. When something new, which is not covered is required, the rule should be first to follow the any reference to of an existing document, and the Python Documentation rules otherwise. Please let me know if you have any questions/objection or proposals or new rules you would like to consider. Any feedback is more than welcome. Minos

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New TrustedFirmware.org security incident process is now live

by Dan Handley

Hi all The new TrustedFirmware.org security incident process is now live. This process is described here: https://developer.trustedfirmware.org/w/collaboration/security_center/repor… Initially the process will be used for the following projects: TF-A, TF-M, OP-TEE and Mbed TLS. The security documentation for each project will be updated soon to reflect this change. If you are part of an organization that believes it should receive security vulnerability information before it is made public then please ask your relevant colleagues to register as Trusted Stakeholders as described here: https://developer.trustedfirmware.org/w/collaboration/security_center/trust… Note we prefer individuals in each organization to coordinate their registration requests with each other and to provide us with an email alias managed by your organization instead of us managing a long list of individual addresses. Best regards Dan. (on behalf of the TrustedFirmware.org security team)

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[RFC] Profile Medium design document

by David Hu

Hi all, Profile Medium design document has been uploaded for review on https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/4775. I'd like to ask for review and comment. Any suggestion is welcome. Thanks in advance for any help. As part of TF-M Profiles, Profile Medium aims to connect devices to cloud services with asymmetric cipher support. Compared to Profile Small, Profile Medium contains more combabilities and requires more resource. Best regards, Hu Ziji

5 years

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Re: [TF-M] f58bd227, Build: Disable RAM FS by default, breaks Musca_A builds

by Thomas Törnblom

Build steps: --- cmake .. -G"Unix Makefiles" -DPROJ_CONFIG=C:\Users\thomasto\Projects\tf-m1\trusted-firmware-m\configs\ConfigRegressionIPC.cmake -DTARGET_PLATFORM=MUSCA_A -DCOMPILER=GNUARM -DCMAKE_BUILD_TYPE=Debug PS C:\Users\thomasto\Projects\tf-m1\trusted-firmware-m\cmake_build_gcc> ..\flash_musca.bat C:\Users\thomasto\Projects\tf-m1\trusted-firmware-m\cmake_build_gcc>srec_cat bl2/ext/mcuboot/mcuboot.bin -Binary -offset 0x200000 tfm_sign.bin -Binary -offset 0x220000 -o tfm.hex -Intel C:\Users\thomasto\Projects\tf-m1\trusted-firmware-m\cmake_build_gcc>xcopy tfm.hex g: C:tfm.hex --- terminal output: Adding "-DPS_RAM_FS=ON -DITS_RAM_FS=ON" to the cmake line makes it work again, but I assume that should not be needed. Thomas Den 2020-06-29 kl. 18:58, skrev Thomas Törnblom via TF-M: > I’ve tried with GNUARM, ARMCLANG and IARARM on Win 10. > > I builds fine, but the boot appears to get stuck when starting the > secure image. > > I can provide the exact terminal output tomorrow. > > Thomas > > *Thomas Törnblom*, /Product Engineer/ > IAR Systems AB > Box 23051, Strandbodgatan 1 <x-apple-data-detectors://6/1> > SE-750 23 Uppsala, SWEDEN <x-apple-data-detectors://6/1> > Mobile: +46 76 180 17 80 <tel:+46%2076%20180%2017%2080> Fax: +46 18 16 > 78 01 <tel:+46%2018%2016%2078%2001> > E-mail: thomas.tornblom(a)iar.com > <mailto:thomas.tornblom@iar.com> Website: www.iar.com > <http://www.iar.com/> > Twitter: www.twitter.com/iarsystems <http://www.twitter.com/iarsystems> > >> 29 juni 2020 kl. 18:02 skrev Jamie Fox <Jamie.Fox(a)arm.com>: >> >> >> >> Hi Thomas, >> >> This is not expected. Please can you share the error that you see? >> (Might be best to open an issue on developer.trustedfirmware.org for it) >> >> Kind regards, >> >> Jamie >> >> *From:*TF-M <tf-m-bounces(a)lists.trustedfirmware.org> *On Behalf Of >> *Thomas Törnblom via TF-M >> *Sent:* 29 June 2020 16:38 >> *To:* tf-m(a)lists.trustedfirmware.org >> *Subject:* [TF-M] f58bd227, Build: Disable RAM FS by default, breaks >> Musca_A builds >> >> Looks like f58bd227 breaks Musca_A builds, or at least it will not >> boot without additional configuration options. >> >> Is this expected? >> >> Thomas >> >> -- >> >> *Thomas Törnblom*, /Product Engineer/ >> IAR Systems AB >> Box 23051, Strandbodgatan 1 >> SE-750 23 Uppsala, SWEDEN >> Mobile: +46 76 180 17 80 Fax: +46 18 16 78 01 >> E-mail: thomas.tornblom(a)iar.com >> <mailto:thomas.tornblom@iar.com>Website: www.iar.com <http://www.iar.com> >> Twitter: www.twitter.com/iarsystems <http://www.twitter.com/iarsystems> >> > -- *Thomas Törnblom*, /Product Engineer/ IAR Systems AB Box 23051, Strandbodgatan 1 SE-750 23 Uppsala, SWEDEN Mobile: +46 76 180 17 80 Fax: +46 18 16 78 01 E-mail: thomas.tornblom(a)iar.com <mailto:thomas.tornblom@iar.com> Website: www.iar.com <http://www.iar.com> Twitter: www.twitter.com/iarsystems <http://www.twitter.com/iarsystems>

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f58bd227, Build: Disable RAM FS by default, breaks Musca_A builds

by Thomas Törnblom

Looks like f58bd227 breaks Musca_A builds, or at least it will not boot without additional configuration options. Is this expected? Thomas -- *Thomas Törnblom*, /Product Engineer/ IAR Systems AB Box 23051, Strandbodgatan 1 SE-750 23 Uppsala, SWEDEN Mobile: +46 76 180 17 80 Fax: +46 18 16 78 01 E-mail: thomas.tornblom(a)iar.com <mailto:thomas.tornblom@iar.com> Website: www.iar.com <http://www.iar.com> Twitter: www.twitter.com/iarsystems <http://www.twitter.com/iarsystems>

5 years

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Re: [TF-M] Build issues with GNUARM with 7946bdd3

by Kumar Gala

I think I found the issue in cmake/Compiler/GNUARM.cmake not handling “.exe” correctly. Try: diff --git a/cmake/Compiler/GNUARM.cmake b/cmake/Compiler/GNUARM.cmake index fc9db7a0..8fbd97bb 100644 --- a/cmake/Compiler/GNUARM.cmake +++ b/cmake/Compiler/GNUARM.cmake @@ -18,6 +18,7 @@ set(CMAKE_EXECUTABLE_SUFFIX ".axf") if(NOT DEFINED GNUARM_PREFIX) get_filename_component(__c_bin ${CMAKE_C_COMPILER} NAME) string(REPLACE "-gcc" "" GNUARM_PREFIX ${__c_bin}) + string(REPLACE ".exe" "" GNUARM_PREFIX ${GNUARM_PREFIX}) endif() Will work up a proper change if that tests out ok. - k > On Jun 26, 2020, at 7:40 AM, Thomas Törnblom via TF-M <tf-m(a)lists.trustedfirmware.org> wrote: > > Thanks Anton, > > I worked around it with: > > git rebase 7946bdd3 --onto 7946bdd3^ > > Cheers, > Thomas > > Den 2020-06-26 kl. 14:30, skrev Anton Komlev via TF-M: >> Thanks, Thomas. >> >> Yes, it was noted right after RC1 applied. The problem affects the build (not code) on Windows platform only. >> While waiting for the fix we do continue tests using Linux build. >> A fix will be applied or the patch reverted before TF-M release or with RC2, if happen. >> >> Cheers, >> Anton >> >> From: TF-M <tf-m-bounces(a)lists.trustedfirmware.org> On Behalf Of Thomas Törnblom via TF-M >> Sent: 26 June 2020 09:23 >> To: DeMars, Alan via TF-M <tf-m(a)lists.trustedfirmware.org> >> Subject: [TF-M] Build issues with GNUARM with 7946bdd3 >> >> The merge of "Build: Add support for specifying GNUARM_PREFIX" appears to break GNUARM builds. >> >> [100%] Linking C static library mbedcrypto.a >> /usr/bin/sh: CMAKE_GNUARM_AR-NOTFOUND: command not found >> make[5]: *** [library/mbedcrypto.a] Fel 127 >> make[4]: *** [library/CMakeFiles/mbedcrypto.dir/all] Fel 2 >> make[3]: *** [all] Fel 2 >> make[2]: *** [secure_fw/partitions/crypto/mbedcrypto_lib-prefix/src/mbedcrypto_lib-stamp/mbedcrypto_lib-build] Fel 2 >> make[1]: *** [secure_fw/partitions/crypto/CMakeFiles/mbedcrypto_lib.dir/all] Fel 2 >> make: *** [all] Fel 2 >> >> Excluding this commit is a workaround. >> >> This is on Win 10. >> >> Cheers, >> Thomas >> -- >> >> Thomas Törnblom, Product Engineer >> IAR Systems AB >> Box 23051, Strandbodgatan 1 >> SE-750 23 Uppsala, SWEDEN >> Mobile: +46 76 180 17 80 Fax: +46 18 16 78 01 >> E-mail: thomas.tornblom(a)iar.com Website: www.iar.com >> Twitter: www.twitter.com/iarsystems >> >> > > -- > > Thomas Törnblom, Product Engineer > IAR Systems AB > Box 23051, Strandbodgatan 1 > SE-750 23 Uppsala, SWEDEN > Mobile: +46 76 180 17 80 Fax: +46 18 16 78 01 > E-mail: thomas.tornblom(a)iar.com Website: www.iar.com > Twitter: www.twitter.com/iarsystems > -- > TF-M mailing list > TF-M(a)lists.trustedfirmware.org > https://lists.trustedfirmware.org/mailman/listinfo/tf-m

5 years

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Re: [TF-M] Alignment issues on stack with ITS

by Jamie Fox

Hi Thomas, It is only the size of the struct that needs to be aligned to the flash program unit, so that the write size is aligned when the struct is programmed to flash. So indeed the attribute puts too strong a constraint on the compiler as it also forces it to allocate these structs at aligned addresses on the stack. The only vaguely clean, portable way I can think of aligning up the size of the struct alone is something like: struct its_file_meta_t_padded { struct its_file_meta_t file_meta; uint8_t pad[ITS_FLASH_MAX_ALIGNMENT - (sizeof(struct its_file_meta_t) % ITS_FLASH_MAX_ALIGNMENT)]; }; But that has the disadvantage of adding ITS_FLASH_MAX_ALIGNMENT to the size of the struct in the case that it is already aligned (no zero-sized arrays), as well as the extra step of accessing the nested struct each time. Would be happy to hear any alternative solutions though. Kind regards, Jamie From: TF-M <tf-m-bounces(a)lists.trustedfirmware.org> On Behalf Of Thomas Törnblom via TF-M Sent: 26 June 2020 10:07 To: tf-m(a)lists.trustedfirmware.org Subject: [TF-M] Alignment issues on stack with ITS ITS defines a few structs with specific alignment requirements, like: struct __attribute__((__aligned__(ITS_FLASH_MAX_ALIGNMENT))) its_file_meta_t { uint32_t lblock; /*!< Logical datablock where file is * stored */ size_t data_idx; /*!< Offset in the logical data block */ size_t cur_size; /*!< Size in storage system for this # * fragment */ size_t max_size; /*!< Maximum size of this file */ uint32_t flags; /*!< Flags set when the file was created */ uint8_t id[ITS_FILE_ID_SIZE]; /*!< ID of this file */ }; This causes issues with the IAR compiler when these structs are declared as autos: static psa_status_t its_mblock_copy_remaining_block_meta( struct its_flash_fs_ctx_t *fs_ctx, uint32_t lblock) { struct its_block_meta_t block_meta; psa_status_t err; uint32_t meta_block; size_t pos; uint32_t scratch_block; size_t size; ... The IAR compiler gives these errors if the alignment is 0x10 (the stack is 8 byte aligned): struct its_block_meta_t block_meta; ^ "C:\Users\thomasto\Projects\tf-m1\trusted-firmware-m\secure_fw\partitions\internal_trusted_storage\flash_fs\its_flash_fs_mblock.c",415 Error[Ta121]: Auto variable "block_meta" cannot have a stricter alignment than the stack I assume this alignment is only required for the flash, so the alignment attributes should be set when declaring variables in the flash, not on the type. Comments? Cheers, Thomas -- Thomas Törnblom, Product Engineer IAR Systems AB Box 23051, Strandbodgatan 1 SE-750 23 Uppsala, SWEDEN Mobile: +46 76 180 17 80 Fax: +46 18 16 78 01 E-mail: thomas.tornblom(a)iar.com<mailto:thomas.tornblom@iar.com> Website: www.iar.com<http://www.iar.com> Twitter: www.twitter.com/iarsystems<http://www.twitter.com/iarsystems>

5 years

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Re: [TF-M] Build issues with GNUARM with 7946bdd3

by Thomas Törnblom

Thanks Anton, I worked around it with: git rebase 7946bdd3 --onto 7946bdd3^ Cheers, Thomas Den 2020-06-26 kl. 14:30, skrev Anton Komlev via TF-M: > > Thanks, Thomas. > > Yes, it was noted right after RC1 applied. The problem affects the > build (not code) on Windows platform only. > > While waiting for the fix we do continue tests using Linux build. > > A fix will be applied or the patch reverted before TF-M release or > with RC2, if happen. > > Cheers, > > Anton > > *From:* TF-M <tf-m-bounces(a)lists.trustedfirmware.org> *On Behalf Of > *Thomas Törnblom via TF-M > *Sent:* 26 June 2020 09:23 > *To:* DeMars, Alan via TF-M <tf-m(a)lists.trustedfirmware.org> > *Subject:* [TF-M] Build issues with GNUARM with 7946bdd3 > > The merge of "Build: Add support for specifying GNUARM_PREFIX" appears > to break GNUARM builds. > > [100%] Linking C static library mbedcrypto.a > /usr/bin/sh: CMAKE_GNUARM_AR-NOTFOUND: command not found > make[5]: *** [library/mbedcrypto.a] Fel 127 > make[4]: *** [library/CMakeFiles/mbedcrypto.dir/all] Fel 2 > make[3]: *** [all] Fel 2 > make[2]: *** > [secure_fw/partitions/crypto/mbedcrypto_lib-prefix/src/mbedcrypto_lib-stamp/mbedcrypto_lib-build] > Fel 2 > make[1]: *** > [secure_fw/partitions/crypto/CMakeFiles/mbedcrypto_lib.dir/all] Fel 2 > make: *** [all] Fel 2 > > Excluding this commit is a workaround. > > This is on Win 10. > > Cheers, > Thomas > > -- > > *Thomas Törnblom*, /Product Engineer/ > IAR Systems AB > Box 23051, Strandbodgatan 1 > SE-750 23 Uppsala, SWEDEN > Mobile: +46 76 180 17 80 Fax: +46 18 16 78 01 > E-mail: thomas.tornblom(a)iar.com > <mailto:thomas.tornblom@iar.com>Website: www.iar.com <http://www.iar.com> > Twitter: www.twitter.com/iarsystems <http://www.twitter.com/iarsystems> > > -- *Thomas Törnblom*, /Product Engineer/ IAR Systems AB Box 23051, Strandbodgatan 1 SE-750 23 Uppsala, SWEDEN Mobile: +46 76 180 17 80 Fax: +46 18 16 78 01 E-mail: thomas.tornblom(a)iar.com <mailto:thomas.tornblom@iar.com> Website: www.iar.com <http://www.iar.com> Twitter: www.twitter.com/iarsystems <http://www.twitter.com/iarsystems>

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