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I haven't looked at in much detail but I think the shareability attributes would need to be exposed by the mm module, and then converted by ffa_memory_permissions_to_mode.

Persistent key support has been added as part of TFMv1.1. Clsoing this issue.

SMMUv3.2 supports secure Stage-2 translations and that's the feature we intend to enable as a first step.
The IP also supports "nested translations" aka S-EL1 SMMU paravirtualization although we're not looking at this option immediately.

Description: 'Short circuit signature test of attest token'

Test logs:

musca_s1_gnuarm_configregression.txt23 KBDownload

Thanks for your reply, so there is Stage-2 SMMU support, right? And i think we can support passthrough io support in Secure-EL1 with Stage-2 SMMU

Notes, missing features for current uploaded source changes:
• No support for isolation level2 on SSE-200
• Protected Storage is an Application RoT partition, but PS also moved to Secure Enclave
• Some regression tests running on secure side of SSE-200 fail as all messages are forwarded with the same client ID to Secure Enclave
• All IPC message forwarding is a blocking call
• Only one message is put into the mailbox at a time
• Musca-B1 related documentation is not complete yet
• Generated files are not committed, manifest parser should be run before build.
• The BL0 component mentioned in the tech forum presentation is not uploaded, as it is based on the new cmake system, and not so interesting right now
• Cmake changes are rudimentary, will be rebased to new cmake system.

This does not seem to be an issue with the new build system.

The patches are merged.

The change is merged.

We're considering the SMMUv3.2 support which covers the Secure Stage-2 mappings (https://developer.arm.com/documentation/ihi0070/latest).
This is still in initial investigation phases, but we hope to share design details and early patches by end of Q4'20.

Several preparation patches including scatter file adjustments.
Starts with:
https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/5571

@odeprez / Arm might be able to comment on this.

The fix for this issue had been merged.

Got it! Thanks for sharing such info...

what about SMMUV3.x ?

Attaching the test logs running the regression configurations:

ConfigRegression.cmake_ARMCLANG.txt23 KBDownload

Attaching the logs applying the changes and running the regression configs:
For Musca-S1:

ConfigRegressionIPCTfmLevel2.cmake_GNUARM_crypto_on_MUSCA_S1.txt22 KBDownload

I've tested the scripts on OS X by changing readlink to greadlink (available via brew install coreutils), since the OS X system readlink doesn't support the -f option, and this works fine on OS X. A simple platform check is required to two of the scripts, similar to what you see here: https://git.trustedfirmware.org/TF-M/trusted-firmware-m.git/tree/platform/ext/target/nxp/lpcxpresso55s69/scripts/build.sh#n11

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