• 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...
  • Can a Linux kernel run as a TrustZone secure OS?
    I have a samsung exynos 4412(Cortex-A9) development board. There is a simple secure os that can run on it. The normal os is Android. Now I am trying to select linux as the secure os.  The linux kernel...
  • Cortex-A7 initialization code & TrustZone/ Secure Boot
    Hi, I just got a raspberry pi 2 and I'd like to play with Trustzone. People on the Raspberry forum http://www.raspberrypi.org/forums/viewtopic.php?p=697474#p697474 explained me how to get my hand on the...
  • Multicore SMP using Linux kernel
    Hi, I am just trying to learn the linux kernel booting process for arm32 Cortex A9 multi core SOC. I had understood the concept of booting in linux, but I am confused about the section where secondary...
  • ARM TrustZone's Secure/Normal world vs x86's Ring0/3 or OS's kernel/user mode?
    I read document like this TrustZone Security Whitepaper . It describes that all resources like CPU, memory and others are divided by Secure World and Normal World . Programs in Normal World can not access...