Hi,
Can anyone help explain how the last 96 bytes in the HISR stack is used by the OS, specifically the last 4 bytes?
It seems strange that when the last 4 bytes is not 0, the system I'm working on crashes.
Thanks for the help, Karl.
The top 4 bytes of HISR stack is stack type. If type is 1, it's interrupt stack. If type is 0, it's solicited stack. This two types of stacks contains different content size. Interrupt stack saved more registers.
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