ARM Technical Support Knowledge Articles

DOES RTX166 FULL PERFORM DYNAMIC STACK SWAPPING?

Applies to: RTX166 Real-time Kernel

Answer


Information in this article applies to:


QUESTION

Does RTX Full have the same limitation as RTX Tiny in that you cannot freely pass the addresses of automatic variables because the OS performs stack swapping during a context switch?

ANSWER

In a multi-tasking environment the life stack data of a task belongs to its private data. RTX-166 implements this requirement differently for Standard and for Fast Tasks.

Consequently, you won't have the same limitation found in RTX166 Tiny.

MORE INFORMATION

Article last edited on: 2005-07-22 16:14:08

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