ARMmbed / ARMmbed/uvisor

IRQ nesting disabled

Open
#345 1 comment 0 reactions 0 assignees View on GitHub
mirrored
Dominant language
C
Stars
135
Forks
72
PR merge metrics
No merged PRs in 30d

Description

The changes in #335 disabled IRQ nesting, since the previous code caused MemManage faults due to occasionally misplacing the IRQ stack pointer.

The implementation needs to be rethought.

Contributor guide

Open the contributing guide

Research direction

Start by reviewing the changes in #335 and the IRQ stack-pointer handling that led to the MemManage faults. The work is done when IRQ nesting has been rethought and can operate without the reported stack-pointer misplacement faults.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
embedded-iot
Issue type
Refactor
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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