topic How to read stack pointer, Link register and program counter value for S32K146 (Arm Cortex-M4) in S32K

How to read stack pointer, Link register and program counter value for S32K146 (Arm Cortex-M4)

pratheek_b — Wed, 08 Dec 2021 10:44:04 GMT

How to read the below registers value?

1) Stack pointer(SP) - R13
2) Link Register(LR) - R14
3) Program Counter - R15
4) Exception and Reset Control Registers
5) Program Status Register

@S32k146, @ArmCortexM

danielmartynek — Wed, 08 Dec 2021 13:15:22 GMT

Do you want to read it with the core in C?

If so. use inline assembler.

You can refer to this example:

fault_exceptions.c

BR, Daniel