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Support for ARM MPU.#85

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dmitrykos wants to merge 3 commits into
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Support for ARM MPU.#85
dmitrykos wants to merge 3 commits into
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@dmitrykos dmitrykos commented Jul 22, 2026 •
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PR adds a compete support for the Memory Protection Unit (MPU) on ARMv7-M/ARMv8-M platforms:

  • Global + per-task MPU regions
  • Examples for ARMv7-M and ARMv8-M (ARMv8-M does not support regions overlapping with different security attributes, so example demonstrates it)

There are API breaking changes for hw::CriticalSection which now requires an instance.

Work in progress!

dmitrykos added 2 commits July 16, 2026 20:28
@dmitrykos
Support for per-task MPU.
d391369 
Support for running isolated Non-Secure tasks with kernel residing in protected memory region.
Add ARM Cortex-M4 MPU example - blinky-mpu-stm32f407g-disc1.
@dmitrykos
Support for ARMv8-M MPU.
dd07a0f 
Add Raspberri RP2350 MPU example - blinky_mpu_armv8.
@dmitrykos dmitrykos self-assigned this Jul 22, 2026
@dmitrykos dmitrykos added the enhancement New feature or request label Jul 22, 2026
@dmitrykos
dmitrykos force-pushed the port branch 2 times, most recently from b7302a8 to dd41aa1 Compare July 23, 2026 19:32
@SuperTinyKernel-RTOS SuperTinyKernel-RTOS deleted a comment from github-actions Bot Jul 23, 2026
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github-actions Bot commented Jul 23, 2026

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LCOV of commit dd41aa1 during Code Coverage - Generic #602

Summary coverage rate:
  lines......: 100.0% (1337 of 1337 lines)
  functions..: 43.4% (1605 of 3694 functions)
  branches...: no data found

Files changed coverage rate: n/a

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github-actions Bot commented Jul 23, 2026 •
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MemBrowse Memory Report

stm32f0-sleep

  • FLASH: .isr_vector +48 B, .text +132 B (+0.9%, 19,980 B / 65,536 B, total: 30% used)
  • RAM: .bss +16 B (+0.4%, 4,200 B / 8,192 B, total: 51% used)

stm32f1-sleep

  • FLASH: .isr_vector +28 B, .text +80 B (+0.6%, 19,041 B / 131,072 B, total: 15% used)
  • RAM: .bss +16 B (+0.4%, 4,200 B / 20,480 B, total: 21% used)

stm32f4-sleep

  • FLASH: .isr_vector +32 B, .text +92 B (+0.6%, 19,885 B / 1,048,576 B, total: 2% used)
  • RAM: .bss +16 B (+0.4%, 4,204 B / 131,072 B, total: 3% used)

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github-actions Bot commented Jul 24, 2026

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LCOV of commit f4395f7 during Code Coverage - Generic #603

Summary coverage rate:
  lines......: 100.0% (1337 of 1337 lines)
  functions..: 43.4% (1605 of 3694 functions)
  branches...: no data found

Files changed coverage rate: n/a

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github-actions Bot commented Jul 24, 2026

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LCOV of commit 53ac225 during Code Coverage - Generic #604

Summary coverage rate:
  lines......: 100.0% (1337 of 1337 lines)
  functions..: 43.4% (1605 of 3694 functions)
  branches...: no data found

Files changed coverage rate: n/a

@dmitrykos
Protect r/w access to ISyncObject::GetWaitList except for kernel clas…
ea18c1d 
…ses.

Remove NSC_stk_ISyncObject_WakeOne, NSC_stk_ISyncObject_WakeAll in favor of new IKernelService::Wake API.
Introduce STK_USE_MEMMANAGE_HANDLER, STK_USE_HARDFAULT_HANDLER to toggle MemFault and HardFault handling inside STK's driver.
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github-actions Bot commented Jul 24, 2026

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LCOV of commit ea18c1d during Code Coverage - Generic #605

Summary coverage rate:
  lines......: 100.0% (1337 of 1337 lines)
  functions..: 43.4% (1605 of 3694 functions)
  branches...: no data found

Files changed coverage rate: n/a

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