• Processor Modes in cortex-A57
    Hi, I have done some basic assembly in Armv7-A processors (cortex A9). The version of ARM supports modes like User, sys, SVC etc. Does the ARMv8 also has the similar modes? Where can i find the details...
  • Porting code From Cortex-A9 to Cortex-R7
    Hi, I have some bare metal code written for Arm cortex A9. I would like to port this code to cortex R7. Since both of them belong to ARMv7, How much effort will this take? I have never worked on...
  • trustzone memory configuration for cortex-A57
    Hello, I am using jetson tx2 development board which has arm cortex a57 processor which uses arm trusted firmware(atf) to boot. Trusty is the secure world operating system provided by atf. Following...
  • How to configure Cortex-A57 PMU
    I asked this question in a different community space but it seemed like this is a more appropriate home. I'm trying to configure the performance counters for the Cortex-A57 and I'm very confused. The...
  • SIGILL in 32bit chroot on Cortex-A57
    I'm getting a SIGILL when running a ARMv6 program in a chroot environment. The instruction that triggers it is Program received signal SIGILL, Illegal instruction. 0x000104f0 in f () (gdb) disassemble...