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[fiber] Fix PSPLIM triggering during context switch - #1363

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salkinium merged 2 commits into
modm-io:developfrom
salkinium:fix/psplim
Jul 3, 2026
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[fiber] Fix PSPLIM triggering during context switch#1363
salkinium merged 2 commits into
modm-io:developfrom
salkinium:fix/psplim

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@salkinium salkinium commented Jul 2, 2026

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The PSPLIM needs to be disabled when switching stack pointers, otherwise it can trigger when the new stack is below the old stack. Whooops…

  • Tested in hardware on NUCLEO-H563ZI
  • Stress tested in hardware on a custom H5 board

@salkinium salkinium added this to the 2026q3 milestone Jul 2, 2026
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salkinium merged commit b0f5699 into modm-io:develop Jul 3, 2026
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salkinium deleted the fix/psplim branch July 3, 2026 17:48
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