• LDM/STM interruption of Cortex-M7.
    Hi Cortex-M7 specialists. I would like to know the Cortex-M7 behaviors when requested interrupts. In the Cortex-M3 case, LDM/STM and DIV will stop execution by interrupt requests (although those can be...
  • Problems with interrupting LDM/STM Cortex M4?
    I am seeing stack corruption running a Cortex M4 that seems to be related to interrupting multicycle instructions. The interrupt occurs during a STMDB sp!, {r4, r5, r6, r7, r8, r9, sl, lr} The ICI bits...
  • Alignment in ARM?
    I could not clearly understand the alignment issues present in ARM. Sometimes I get BUS ERROR while running an assembly file but don't know how to resolve it. Some of the doubts: 1. Is it better to store...
  • LDM to LTP Reason
    Hi all, The LDM and STM instruction is no more supported in ARMv8 and instead LTP and STP is used. What is the key difference between the same why the instruction is loaded and stored in pair.