1LOSCFG_PLATFORM_QEMU_ARM_VIRT_CM4=y 2LOSCFG_KERNEL_BACKTRACE=y 3LOSCFG_KERNEL_CPUP=y 4LOSCFG_KERNEL_PM=y 5LOSCFG_FS_FAT=y 6LOSCFG_SHELL=y 7