xilinx-arm-trusted-firmware

 https://github.com/Xilinx/arm-trusted-firmware

 make -C arm-trusted-firmware-xilinx-v2026.1 CROSS_COMPILE=aarch64-none-elf- PLAT=zynqmp RESET_TO_BL31=1 DEBUG=0

petalinux 获取源码

``` source /opt/petalinux26.1/settings.sh

petalinux-build -c arm-trusted-firmware -x distclean

petalinux-build -c arm-trusted-firmware -x fetch

petalinux-build -c arm-trusted-firmware -x unpack

petalinux-build -c arm-trusted-firmware -x patch

petalinux-build -c arm-trusted-firmware -x configure

petalinux-build -c arm-trusted-firmware -x compile

petalinux-build -c arm-trusted-firmware -x install

petalinux-build -c arm-trusted-firmware -x deploy ``