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MPC574XP can't switch tasks when there is floating-point operation

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MPC574XP can't switch tasks when there is floating-point operation

‎07-29-2019 09:28 PM
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darcyxu
Contributor II

In FreeRTOS and ucos，MPC574XP can't switch tasks when there is floating-point operation

shows as below，please give your suggest

 

1、FreeRTOS  some volitale variable memory is unexpectedly changed.

SDK use this one

1.png

2, in ucosii, Error shows as the following screenshot

 2.png

 

 3.png4.png

We judged that the register push and out stack incorrectly， when the floating-point hardware unit switch task.

 

3、The ucosii reference project is generated by a tool MPC5XXX_EEE_Driver. Is this tool updated？

         

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