May 2017
Beginner to intermediate
470 pages
10h 49m
English
Content preview from Android System Programming
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Preparing the kernel
To support NFS boot, we need a Linux kernel with NFS filesystem support. The default Linux kernel for Android doesn't have NFS boot support. In order to boot Android and mount the NFS directory as the root filesystem, we have to recompile the Linux kernel with the following options enabled:
CONFIG_IP_PNP=y CONFIG_IP_PNP_DHCP=y CONFIG_IP_PNP_BOOTP=y CONFIG_IP_PNP_RARP=y CONFIG_USB_USBNET=y CONFIG_USB_NET_SMSC95XX=y CONFIG_USB=y CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_EHCI=y CONFIG_NETWORK_FILESYSTEMS=y CONFIG_NFS_FS=y CONFIG_NFS_V3=y CONFIG_NFS_V3_ACL=y CONFIG_ROOT_NFS=y
We can use menuconfig to change the kernel configuration or copy a configuration file with NFS support.
To configure the kernel build using menuconfig ...
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