• TrustZone Controller in FVP Cortex57-A Base platform
    Hi, I start to learn and program TZC-400  in FVP Cortext57-A Base platform with DS-5, and encounter something that I don't understand. I start the FVP as non-secure mode by using the paramter "bp.secure_memory...
  • Usage of gathering and reordering in the ARMv8
    Hi all, Kindly suggest some logical code to realize the gathering and re-ordering attribute in the ARMv8. How this attribute can be best utilized for actual use case scenarios ?
  • The Non-Secure Access IDentity (NSAID) of TZC-400
    Hi experts, I get the following information about NSAID from TZC-400 trm. The Non-Secure Access IDentity (NSAID) input identifies the source interface of a transaction to a filter unit. When in Non-secure...
  • how does ARMv8 switch to run application(EL0) from kernel(EL1)?
    hi experts, I am studying the ARMv8 exception levels. I have a question about ELs. EL1 is described to run OS kernel and EL0 is application level.    The exception levels change only occur on exception...
  • Cryptography instructions sample for ARMv8
    hi, experts: I found ARMv8 supported some cryptography instructions. So: Is there any sample code demonstrating how to use these crypto instructions? best wishes,