• Accessing coresight debug and trace memory region in EL3 leads to stuck.
    The manual tells that I can use ETM in both self-host debugging and external debugging. With DStream and DS-5, the ETM works well. However, i find that i can not modify the tracing registers in DS-5,...
  • Is there any ETMs supporting data trace in the market?
    The manual of ETM tells that the ETM supports data trace. However, we checked the manual of Juno board and most recent Cortex A75 processors, and found that the data trace is not implemented. Currently...
  • How it is possible to use DStream for debugging all trusted firmware on Juno R2?
    Hello, I have generated a fip.bin with BL1, BL2, tspd, BL31 (my own secure trusted fw), BL33. My goal is to be able to load all the fw and put a breakpoint an a specified address of my BL32 without...
  • Can JTAG enable the SPNIDEN or SPIDEN signal in Juno board?
    Hi all, I found that the SPNIDEN and SPIDEN signal on the Juno board can be driven by the internal driver (SSC_DBGCFG_STAT register) or the debug authentication register in SCC. However, i cannot find...
  • Juno CoreSight Setup
    Hi Everyone, We just bought a Juno Versatile Express board for development.  Using the getting started guides and I have successfully installed DS-5 on a host and a rootfs on the board.  I'm using the...