• 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
  • 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...
  • What will happen if Cortex-M0 fetches 0xFFFF_FFFF as an instruction ?
    Dear Guys,     In typical SoC product, the FLASH memory is initially empty after being shipped from factory, in which the data are all "0xFFFF_FFFF".     I am curious how Cortex-M0 deals with the undefined...
  • why Interrupt 1023 (Spurious interrupt) happens when i set pagetable attribute on exynos5250?
    Hi, experts. I'm developing pagetable on exynos5250 and exynos5433. But i have very strange problem.... when i mapping secure-memory-area as section with attributes that is                S = 1, TEX=...
  • Detecting Overflow from MUL
    Detecting Overflow from Arithmetic Operations I discussed in a previous blog post that it is possible to set some condition flags based on the result of an arithmetic operation. Consider the following...