• Does MADD(W-form) and UMADDL handle overflow correctly?
    Hi, MADD(W-form) [1] and UMADDL[2] does 32-bit multiplication and adds multiplication results to a 64-bit integer. My question is, do these two instructions handle possible overflow (2 32-bit integers...
  • ARMv8 : How Cache Handling at EL3 is different to that of Cache handling in EL1 (NS=0)?
    Scenario: Sent a buffer reference and its size from EL1 secure world as a SIP SMC , such that EL3 write on that buffer and ERET to EL1. Query: 1. Does cache flush is required at any exception...
  • ARMv8 : How Cache Handling at EL3 is different to that of Cache handling in EL1 (NS=0)?
    Scenario: Sent a buffer reference and its size from EL1 secure world as a SIP SMC , such that EL3 write on that buffer and ERET to EL1. Query: 1. Does cache flush is required at any exception...
  • Handling ISR
    I have a general question regarding handling ISRs which stems from my inexperience. My understanding of ISR is that the execution branches, from the main code, to the ISR upon a condition being satisfied...
  • interrupt handling
    Hello Every one, In my project i have 2 external intr. How do i write the isr and how to handle these intrpt , how to write code in C for this task. Please help me in this.