• Arm Trusted firmware as bootloader for A53
    Hi, I can build bl31.bin for my i.MX8QM EVK (Arm Trusted Firmware open source reference) which can act as an Armv8-A bootloader. I am NOT intending to include any u-boot binary in my test image. Is...
  • Question on duration of hsel in AHB
    Hi, My question is about duration of hsel in AHB. While performing a write operation to a particular slave, if hsel for the slave is asserted (hsel=1) in the address face and is deasserted (hsel=0) in...
  • ARM Trusted Firmware, number of cpu cores..
    Hi all, I have two questions about ARM Trusted Firmware. I suppose that I already have answer for one of them.. Does Trusted Operating System (at Secure EL1) use or can use, more than one cpu core, or...
  • ARM Trusted Firmware - New v0.4 release
    The ARM Trusted Firmware team have just released v0.4 under a permissive BSD license to enable the ARM ecosystem with a high quality reference implementation of: 1. Secure Monitor Calls (SMC) Calling...
  • Launching bare-metal firmware at EL2 (Hyp) on QEMU with ARM Trusted Firmware?
    Hi experts, I am recently developing some bare-metal code for a Cortex-A57 Aarch64 on QEMU (Virt platform) for playing with the Virtualization Extension. I first used one core and I developed a bootloader...