• What happens if an interrupt occurs as it is already disabled
    for ARMv7 architecture:What happens if an interrupt occurs as it is already disabled
  • Is this right? (NVIC Interrupts)
    Hello everyone, i'm working on NVIC, i need enable the TIMER2 IRQ, but without CMSIS HAL, just native C code, so i have got this: #include "NVICDriver.h" #include <stdint.h> #include <string.h>...
  • Cortex M7 irq enable/disable
    In the appnote "ARM Cortex-M Programming Guide to Memory Barrier Instructions" there is a section that describes the use of memory barriers in the Cortex-M processors on a case-by-case basis. Are those...
  • What happens to the Instructions already in pipeline when interrupt occurs ?
    Hello Community, Recently I was going through some code and has this doubt. My Pseudocode ============ CPSID I - Disable interrupts Do critical work CPSIE I - Enable interrupts Do non critical...
  • Cortex R5 behavior when a masked imprecise/asynchronous abort occurs
    Hello, I am currently working on the cortex R5 and I am wondering its behavior when a masked imprecise abort occurs. Indeed, The A-bit in the CPSR is set by default. Which mean that imprecise abort...