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Merged
merged 2 commits into from
Feb 5, 2020
Merged

M2351: Support GCC #12366

merged 2 commits into from
Feb 5, 2020

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ccli8
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@ccli8 ccli8 commented Feb 5, 2020

Summary of changes

This PR adds support for GCC on M2351 targets:

  1. Enable GCC support on non-secure targets
  2. Disable GCC support on secure targets becasue of GCC bug (as of 9-2019-q4-major): In non-secure entry function, callee-saved registers must be restored, but they are incorrectly cleared at optimization level Os.

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 added 2 commits February 5, 2020 10:11
@ccli8
M2351: Support GCC
c168e14 
1.  Enable GCC support on non-secure targets
2.  Disable GCC support on secure targets becasue of GCC bug (as of 9-2019-q4-major): In non-secure entry function, callee-saved registers must be restored, but they are incorrectly cleared at optimization level "Os".
@ccli8
M2351: Refactor startup file
9faa236 
1.  Re-organize to make clear for all targets/toolchains support in single startup file
2.  Inline assembly syntax is limited, esp. on IAR. Try paving the way for accessing external symbols still in inline assembly instead of re-write in assembly.
@ciarmcom ciarmcom requested review from Ronny-Liu and a team February 5, 2020 04:00
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ciarmcom commented Feb 5, 2020

@ccli8, thank you for your changes.
@Ronny-Liu @ARMmbed/mbed-os-maintainers please review.

@mergify mergify bot added needs: CI and removed needs: review labels Feb 5, 2020
@0xc0170 0xc0170 added the release-version: 6.0.0-alpha-2 Second pre-release version of 6.0.0 label Feb 5, 2020
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0xc0170 commented Feb 5, 2020

CI started

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mbed-ci commented Feb 5, 2020

Test run: SUCCESS

Summary: 11 of 11 test jobs passed
Build number : 1
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@0xc0170 0xc0170 merged commit edb39c6 into ARMmbed:master Feb 5, 2020
@mergify mergify bot removed the ready for merge label Feb 5, 2020
@ccli8 ccli8 deleted the nuvoton_m2351_gcc branch February 6, 2020 01:05
@ccli8 ccli8 restored the nuvoton_m2351_gcc branch September 17, 2020 05:34
@ccli8 ccli8 mentioned this pull request Sep 21, 2020
Merged
@ccli8 ccli8 deleted the nuvoton_m2351_gcc branch March 16, 2021 01:43
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@bulislaw bulislaw bulislaw approved these changes

@0xc0170 0xc0170 0xc0170 approved these changes

@Ronny-Liu Ronny-Liu Awaiting requested review from Ronny-Liu

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