M Mithilesh 77eda6f760 cpukit/confdefs: Add CAN stack resource calculation ...

The CAN/CAN FD stack requires a worker task per configured queue.
Empirical profiling confirms the CAN worker task utilizes ~404 bytes
of stack space on 32-bit architectures.

This patch introduces CONFIGURE_MAXIMUM_CAN_QUEUES to dynamically
inject the required CAN worker tasks into the master _CONFIGURE_TASKS
pool. Because the 404-byte usage falls below RTEMS_MINIMUM_STACK_SIZE,
provisioning them as standard system tasks automatically guarantees
sufficient stack space overhead.

Additionally, this patch removes the hardcoded +0x1000 stack padding
in rtems_task_create to prevent workspace exhaustion, and adds the
spcan01 test to verify the CONFIGURE_MAXIMUM_CAN_QUEUES macro behavior.

Closes #5193

2026-07-02 17:36:27 -05:00

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confdefs

cpukit/confdefs: Add CAN stack resource calculation

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debugger

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