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Concerto ARM Issues while context switch without debug enabled

Sumith Sekharan
Prodigy 190 points
Other Parts Discussed in Thread: CONTROLSUITE

Hi

I have a Systick handler function SysTick_Handler for which the assembly code is generated as follows when the debug flag is used.

PUSH            {R3, LR}
SysTick_isr();
BL              SysTick_isr

When debug flag is not enabled then     PUSH      {R3, LR} is not get generated. Pushing PSR and LR to stack is done only when debug is enabled.  As I am doing some context switching inside Systick ISR I need a consistent behavior irrespective of Debug is enabled or not.

I am using arm_5.1.2 from controlSuite for F28M36 processor.

Thanks in Advance,

Sumith