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  • how to study bootloader for ARMv8 64bit SOC?
    hi, experts: I want to study bootloader code for ARMv8 64bit CPU. But not find any development board with 64bit ARM CPU. I found ARM company had released 基础模型 - ARM . So, i have a question about this...
  • How to handle a AArch64.SystemAccessTrap(EL2, 0x18) in baremetal?
    I am trying to do follow this tutorial on baremetal code ( https://github.com/s-matyukevich/raspberry-pi-os/blob/master/docs/lesson03/rpi-os.md ) using QEMU. Specifically, starting at EL1, I'm trying...
  • ARMv8 Foundation Model GICv2 Address Map Overlap?
    Hi, I'm looking at the ARMv8 Foundation Model User Guide (ARM DUI 0677C). In section 3.1, Memory Map, the following data appears regarding the address of GICv2 registers: 0x00_2C00_0000 0x00_2C00_1FFF...
  • Delay in aarch64-elf-gdb symbol parsing
    Hi All, When I try to parse the symbols using the latet aarch64-gdb from the arm website it is giving some unexpected delay during the symbol parsing. For example, if i execute "file filename.elf...