text 自定义bootscript从RPi2 / 3上的USB启动Ubuntu Core

Posted 2021-05-02

snap_core=core_584.snap
snap_kernel=pi2-kernel_24.snap
snappy_usb_boot=run loadfiles; setenv mmcroot "/dev/sda2 ${snappy_cmdline} snap_core=${snap_core} snap_kernel=${snap_kernel}"; run mmcargs; bootz ${loadaddr} ${initrd_addr}:${initrd_size} 0x02000000
loadinitrd=load usb ${mmcdev}:${mmcpart} ${initrd_addr} ${snap_kernel}/${initrd_file}; setenv initrd_size ${filesize}
loadkernel=load usb ${mmcdev}:${mmcpart} ${loadaddr} ${snap_kernel}/${kernel_file}
uenvcmd=echo USB-BOOT; run usb_boot; run snappy_usb_boot