• ARMv8 mmu problem
    Hi ARM experts, I have a problem in using armv8 mmu in bare-metal system: When using the 4KB translation granule, level 1 table which use D_Block convert VA to 1GB region PA. In Armv8 ARM page D4-1744...
  • Jetson TX2 cortex-a57 crash after enabling mmu
    My code is running at EL2 in one of the cortex-a57 cores in an nvidia tx2. The code is crashing just during initialization after I enable MMU. However, what I just found out is that this is only happening...
  • Permission fault, level 2 on MMU enable
    Hi ARM folks, hoping someone can show me where I'm going wrong programming the MMU. The ESR_EL1 reports that it is a Permission fault, level 2. Here's what I'm trying to accomplish: 4GiB space, 4kiB...
  • MMU and Cache configuration
    Hello there, I want to enable MMU and Cache to improve the performance of my arm cortex-A5 core. I have gone through the Reference manual of arm cortex a5 and found the below step to enable mmu and...
  • armv7a/armv8 : Undefined Abort Exception and MMU
    Hi ! When MMU is enabled, and a undefined abort exception is triggered, are we sure that the address stored in the `lr` / `elr_elx` registers is actually mapped by the MMU, or should I check that before...