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M2351: Enable non-PSA minimal secure build (5.15) #12986

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Merged
merged 1 commit into from
Jun 8, 2020
Merged

M2351: Enable non-PSA minimal secure build (5.15) #12986

merged 1 commit into from
Jun 8, 2020

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ccli8
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@ccli8 ccli8 commented May 18, 2020

Summary of changes

This PR is backport of #11594 and #12241 into Mbed OS 5.15 to enable non-PSA minimal secure build on Nuvoton's M2351 non-PSA targets.

Pull request type 

[x] Patch update (Bug fix / Target update / Docs update / Test update / Refactor)
[] Feature update (New feature / Functionality change / New API)
[] Major update (Breaking change E.g. Return code change / API behaviour change)

Test results 

[] No Tests required for this change (E.g docs only update)
[x] Covered by existing mbed-os tests (Greentea or Unittest)
[] Tests / results supplied as part of this PR

@ccli8
M2351: Enable non-PSA minimal secure build
e0bd07f 
In this new memory partition, secure program is most simplified and non-secure program can make most use of memory for its large application like Pelion:

-   Flash (512KiB in total): 64KiB for secure and 448KiB for nonsecure.
-   SRAM (96KiB in total): 8KiB for secure and 88KiB for nonsecure.

Besides, to make secure program fit into 8KiB:

-   Decrease boot stack size to 0x600 bytes
-   Remove serial support
-   Remove LPTICKER

Re-build default secure image/gateway library to favor Pelion client application
@ciarmcom ciarmcom requested a review from a team May 18, 2020 05:00
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@ccli8, thank you for your changes.
@ARMmbed/mbed-os-maintainers please review.

@mergify mergify bot added needs: CI and removed needs: review labels May 18, 2020
@ccli8 ccli8 changed the title M2351: Enable non-PSA minimal secure build M2351: Enable non-PSA minimal secure build (5.15) May 19, 2020
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0xc0170 commented May 25, 2020

CI started

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mbed-ci commented Jun 3, 2020

Test run: SUCCESS

Summary: 10 of 10 test jobs passed
Build number : 1
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@0xc0170 0xc0170 requested a review from andypowers June 4, 2020 13:17
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andypowers approved these changes Jun 5, 2020
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Approved.

@0xc0170 0xc0170 merged commit 1dd5069 into ARMmbed:mbed-os-5.15 Jun 8, 2020
@mergify mergify bot removed the ready for merge label Jun 8, 2020
@ccli8 ccli8 deleted the nuvoton_5.15_m2351_npsa_secure-minimal-build branch June 9, 2020 01:05
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@0xc0170 0xc0170 0xc0170 approved these changes

@andypowers andypowers andypowers approved these changes

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@ccli8 @ciarmcom @0xc0170 @mbed-ci @andypowers