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Stack is broken

Jing Bai
Intellectual 650 points

hi everyone,

Could you help me to solve the issue below.

I test GPIO interrupt on CORE 1 with C6657 running in 1.25GHz. 

Stack is broken before jumping to GPIO isr Function.

I check this issue with B15 , the stack pointer I think.

B15 was 0x008021D8 before GPIO accurs. And B15 turned to 0x008020F8 after jump out of GPIO isr Function.

Here is my program, could you please help me solve it?

by the way, compiler I use is c6000 7.4.2. I got the same result when compiled project with c6000 7.4.0.

3113.test_gpio.zip

Thank you in advance.

regards,

bai