• Hello World with Bare Metal and QEMU
    I have followed some tutorials on the internet and found one in particular quite interesting and didactic for those just starting to program ARM Bare metal. The Blog é Freedom Embedded | Balau's technical...
  • How to handle Interrupt with certain interrupt ID in Arm Trusted Firmware
    Hi, I'm new to Arm Community. Regarding to trusted firmware document, it seems that I cannot register an interrupt handler with certain interrupt ID. They reserved the id parameter as INTR_ID_UNAVAILABLE...
  • 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...
  • Can the linux  boot up without arm-trusted-firmware if the trustzone is not necessary ?
    Hi experts,      I am trying to boot the linux by my bootloader which is running on EL3 level.(switch to EL1 when I jump to the kernel)      The trustzone is not necessay for me, so I don't want to use...
  • 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...