add first working meta-layer
This commit is contained in:
DanyLE
21
recipes-diya/initramfs/files/confd
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21
recipes-diya/initramfs/files/confd
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@ -0,0 +1,21 @@
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#!/bin/sh
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PATH=/sbin:/bin:/usr/sbin:/usr/bin
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DESC="Custom configuration"
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. /etc/profile
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case "$1" in
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start)
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echo -n "Start $DESC: "
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sed -i 's/^.*recovery.*/recovery=false/g' /boot/config.txt || \
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echo "recovery=false" >> /boot/config.txt
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;;
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*)
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N=/etc/init.d/$NAME
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echo "Usage: $N {start}" >&2
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exit 1
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;;
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esac
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exit 0
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147
recipes-diya/initramfs/files/diya-update
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147
recipes-diya/initramfs/files/diya-update
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#! /bin/sh
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. /etc/profile
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DEFAULT_ROOTFS_NAME="rootfs-$MACHINE.tar.bz2"
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DEFAULT_KERNEL_NAME="Image-$MACHINE.bin"
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DEFAULT_INITRAMFS_NAME="recovery-$MACHINE.cpio.gz"
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UPDATE_SRC_PATH="/home/diya/.update"
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ROOTFS_DEV="/dev/mmcblk1p2"
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SUPPORTED_COMMAND="rootfs kernel initramfs all"
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TMP_MOUNT="/tmp/rootfs"
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rootfs()
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{
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filename=$1
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if [ -z "$filename" ]; then
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filename="$DEFAULT_ROOTFS_NAME"
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fi
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path="$UPDATE_SRC_PATH/$filename"
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backup_file="$UPDATE_SRC_PATH/rootfs-backup.img"
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echo "Checking rootfs at: $path"
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if [ ! -e "$path" ]; then
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echo "Error: rootfs file not found"
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return 1
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fi
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# backup the rootfs file
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echo "Backing up the current rootfs"
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if ! dd if=$ROOTFS_DEV of=$backup_file; then
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echo "Error: unable to backup current rootfs"
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return 1
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fi
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echo "Format rootfs partition"
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if ! mkfs.ext4 -F $ROOTFS_DEV; then
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echo "Error: Unable to format rootfs partition. Restore and quit"
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dd if=$backup_file of=$ROOTFS_DEV
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return 1
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fi
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mkdir -p $TMP_MOUNT
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echo "Mount rootfs partition to $TMP_MOUNT"
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if ! mount $ROOTFS_DEV $TMP_MOUNT; then
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echo "Error: Unable to mount rootfs partition. Restore and quit"
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dd if=$backup_file of=$ROOTFS_DEV
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return 1
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fi
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echo "Installing new rootfs"
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if ! tar -xpvf "$path" -C $TMP_MOUNT; then
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echo "Error: unable to install new rootfs. Restore and quit"
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umount $TMP_MOUNT
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dd if=$backup_file of=$ROOTFS_DEV
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return 1
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fi
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echo "Patch /etc/fstab"
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cat << EOF >> $TMP_MOUNT/etc/fstab
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/dev/mmcblk1p1 /boot vfat defaults 0 0
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/dev/mmcblk1p3 /var/etc ext4 defaults 0 0
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/dev/mmcblk1p4 /home ext4 defaults 0 0
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EOF
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sync
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echo "Unmount the rootfs partition"
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umount $TMP_MOUNT
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echo "Done"
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return 0
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}
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kernel()
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{
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filename=$1
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if [ -z "$filename" ]; then
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filename="$DEFAULT_KERNEL_NAME"
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fi
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path="$UPDATE_SRC_PATH/$filename"
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echo "Checking kernel at: $path"
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if [ ! -e "$path" ]; then
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echo "Error: kernel file not found"
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return 1
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fi
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echo "Update kernel"
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cp -v "$path" /boot/kernel8.img
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cd /boot
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sync
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echo "Done"
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return 0
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}
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initramfs()
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{
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filename=$1
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if [ -z "$filename" ]; then
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filename="$DEFAULT_INITRAMFS_NAME"
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fi
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path="$UPDATE_SRC_PATH/$filename"
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echo "Checking initramfs at: $path"
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if [ ! -e "$path" ]; then
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echo "Error: initramfs file not found"
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return 1
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fi
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echo "Update recovery intramfs"
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cp -v "$path" /boot/$DEFAULT_INITRAMFS_NAME
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cd /boot
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sync
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echo "Done"
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return 0
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}
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command_valid() {
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VALUE=$1
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echo $SUPPORTED_COMMAND | tr " " '\n' | grep -F -q -x "$VALUE"
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}
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name=$(basename $0)
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cmd=${name#diya-update-}
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file="$1"
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if ! command_valid "$cmd"; then
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cmd="$1"
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file="$2"
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fi
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case "$cmd" in
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rootfs)
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rootfs $file
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;;
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kernel)
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kernel $file
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;;
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initramfs)
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initramfs $file
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;;
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all)
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rootfs && kernel && initramfs
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;;
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*)
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cat << EOF
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Usage: $name <command> [file]
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commands:
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- rootfs: update rootfs
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- kernel: update kernel image
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- initramfs: update recovery initramfs
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EOF
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exit 1
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;;
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esac
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107
recipes-diya/initramfs/files/init
Executable file
107
recipes-diya/initramfs/files/init
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@ -0,0 +1,107 @@
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#!/bin/sh
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# Copyright (C) 2011 O.S. Systems Software LTDA.
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# Licensed on MIT
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#
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# Provides the API to be used by the initramfs modules
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#
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# Modules need to provide the following functions:
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#
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# <module>_enabled : check if the module ought to run (return 1 to skip)
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# <module>_run : do what is need
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#
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# Boot parameters are available on environment in the as:
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#
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# 'foo=value' as 'bootparam_foo=value'
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# 'foo' as 'bootparam_foo=true'
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# 'foo.bar[=value] as 'foo_bar=[value|true]'
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# Load kernel module
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load_kernel_module() {
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if modprobe $1 >/dev/null 2>&1; then
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info "Loaded module $1"
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else
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debug "Failed to load module $1"
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fi
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}
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# Prints information
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msg() {
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echo "$@" >/dev/console
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}
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# Prints information if verbose bootparam is used
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info() {
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[ -n "$bootparam_verbose" ] && echo "$@" >/dev/console
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}
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# Prints information if debug bootparam is used
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debug() {
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[ -n "$bootparam_debug" ] && echo "DEBUG: $@" >/dev/console
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}
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# Prints a message and start a endless loop
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fatal() {
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echo $1 >/dev/console
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echo >/dev/console
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if [ -n "$bootparam_init_fatal_sh" ]; then
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sh
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else
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while [ "true" ]; do
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sleep 3600
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done
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fi
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}
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# Variables shared amoung modules
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EFI_DIR=/sys/firmware/efi # place to store device firmware information
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# initialize /proc, /sys, /run/lock and /var/lock
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mkdir -p /proc /sys /run/lock /var/lock /var/run /home
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mount -t proc proc /proc
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mount -t sysfs sysfs /sys
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if [ -d $EFI_DIR ];then
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mount -t efivarfs none /sys/firmware/efi/efivars
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fi
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# populate bootparam environment
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for p in `cat /proc/cmdline`; do
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if [ -n "$quoted" ]; then
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value="$value $p"
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if [ "`echo $p | sed -e 's/\"$//'`" != "$p" ]; then
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eval "bootparam_${quoted}=${value}"
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unset quoted
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fi
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continue
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fi
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opt=`echo $p | cut -d'=' -f1`
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opt=`echo $opt | sed -e 'y/.-/__/'`
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if [ "`echo $p | cut -d'=' -f1`" = "$p" ]; then
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eval "bootparam_${opt}=true"
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else
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value="`echo $p | cut -d'=' -f2-`"
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if [ "`echo $value | sed -e 's/^\"//'`" != "$value" ]; then
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quoted=${opt}
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continue
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fi
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eval "bootparam_${opt}=\"${value}\""
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fi
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done
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# use /dev with devtmpfs
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if grep -q devtmpfs /proc/filesystems; then
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mkdir -p /dev
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mount -t devtmpfs devtmpfs /dev
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else
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if [ ! -d /dev ]; then
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fatal "ERROR: /dev doesn't exist and kernel doesn't has devtmpfs enabled."
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fi
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fi
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# run init
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exec /sbin/init
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# Catch all
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fatal "ERROR: Initramfs failed to initialize the system."
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47
recipes-diya/initramfs/recovery-boot_0.1.bb
Normal file
47
recipes-diya/initramfs/recovery-boot_0.1.bb
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@ -0,0 +1,47 @@
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SUMMARY = "Modular initramfs system"
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LICENSE = "MIT"
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LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
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RDEPENDS:${PN} += "${VIRTUAL-RUNTIME_base-utils} sysvinit"
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RRECOMMENDS:${PN} = "${VIRTUAL-RUNTIME_base-utils-syslog}"
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FILESEXTRAPATHS:prepend := "${THISDIR}/files:"
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PR = "r4"
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inherit allarch update-rc.d
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SRC_URI = "file://init \
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file://confd \
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file://diya-update \
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"
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S = "${WORKDIR}"
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INITSCRIPT_NAME = "confd"
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INITSCRIPT_PARAMS = "start 30 S ."
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do_install() {
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install -d ${D}/etc/init.d
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install -d ${D}/sbin
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# base
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install -m 0755 ${WORKDIR}/init ${D}/init
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install -m 0755 ${WORKDIR}/confd ${D}/etc/init.d/confd
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cat << EOF >> ${D}/etc/profile
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export MACHINE=${MACHINE}
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EOF
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install -m 0755 ${WORKDIR}/diya-update ${D}/sbin/
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# create symlink
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ln -sf /sbin/diya-update ${D}/sbin/diya-update-rootfs
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ln -sf /sbin/diya-update ${D}/sbin/diya-update-kernel
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ln -sf /sbin/diya-update ${D}/sbin/diya-update-initramfs
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ln -sf /sbin/diya-update ${D}/sbin/diya-update-all
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# Create device nodes expected by some kernels in initramfs
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# before even executing /init.
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install -d ${D}/dev
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mknod -m 622 ${D}/dev/console c 5 1
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}
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FILES:${PN} = "/etc /init /dev /sbin"
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