• [Cortex-A53] Exception Syndrome Register - Exception Class
    Hi, I'm searching for the documentation for the exception classes in ESR_ELx. But currently couldn't found any information. Want to port my bare-metal applications to AArch64. I own a PINE64 Rock64...
  • Exception / Interrupt for Cortex-A15
    Hi, I would like to know whether my understanding is right or not regarding to the interrupt (exception). When an interrupt is issued, the interrupt is executed at once without the completeion of the...
  • How to Generate Exceptions on Cortex M3?
    Hi all, I am trying to generate exceptions like Bus Fault, Usage Fault on ARM Cortex-M3. My code for enable exceptions: void EnableExceptions(void) { UINT32 uReg = SCB->SHCSR; uReg |= 0x00070000;...
  • Cortex M4 exception return sequence
    Hi, I think I am just getting confused with this even if (or because of) I read the book and manuals again and again. At exception entry, the processor saves R0-R3, R12, LR, PC and PSR on the stack. Saving...
  • Cortex M7 : Exception return query
    Hi I am working on Cortex M7. I am generating some interrupts and according to it my ISR is being called which I have already installed. After the execution of the ISR the PC is not returning to the instruction...