• How to temporarily disable MMU in EL3?
    I am using Trusted Firmware provided by Linaro on Juno Board R1. Now I want to disable MMU in EL3 and do some custom jobs, and then enable MMU again. As I don't want to disturb other codes in EL3, I guess...
  • Can I route debug exceptions (like software step exceptions) from lower exception level to EL3?
    In the manual of arm-v8a, it mentions that the debug exceptions could be routed to EL1 or EL2. However, i don't really want to implement EL2 on Juno, so is there anyway to route these exceptions to EL3...
  • Can I print information from EL3 / ARM-TF with Juno board?
    Hi there, After setting up the board followed by the instruction , I connect both UART ports with my computer. For my board one port shows normal world output while other one shows OP-TEE output. ...
  • switching from el3 to el2,, some part of ddr read as deadbeef
    Dear Community, In my use case, I start with EL3 mode and switch back to EL2 mode but I am seeing different kind of issues with this switching , My code is like 1. u-boot in EL3 (This enable caches...
  • Switching from AARCH64 to AARCH32
    Hi, We are trying to switch from AARCh64 to AARCH32 using the following command. sudo su cd /root schroot  -c armhf-trusty But it says command not found. We are using munimal version of AARCH64 from linaro...