• how to return from exception generated by SMC instruction

    Hi,

    I am experimenting execution level switching on A53. I go from EL3->El2, then call SMC instruction to return to EL3. As soon as SMC instruction is executed, the processor enters EL3 mode and an exception is generated.

    I have written an exception…

  • Disable data prefetching in a Cortex-A53 running Android

    Dear Experts,

    I would like to disable the data prefetching engines of the L1 and L2 caches on a MediaTek-X20 board which includes a quad Cortex-A53 cluster and runs Android.

    I have tried to include in the Linux kernel code (at kernel/init/main.c) a call…