mirror of
https://github.com/Rockbox/rockbox.git
synced 2026-01-22 01:30:35 -05:00
86f35f1b53
Rename bootloader.r1 to bootloader.rb for use across multiple devices (Hiby R1, HiBy R3 Pro II and others). Change-Id: Ib509d37d605391012a792a69b11a557b0319d2ce
173 lines
4.7 KiB
Bash
Executable file
173 lines
4.7 KiB
Bash
Executable file
#!/bin/bash
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#Prerequisites:
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#sudo apt update && sudo apt install -y p7zip-full squashfs-tools genisoimage coreutils
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if [[ $# -ne 2 ]]; then
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echo 'usage: ./r1_patcher.sh r1.upt bootloader.r1' >&2
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exit 1
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fi
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################################################################################
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### init
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################################################################################
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currentdir=$(pwd)
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updatefile="$(basename $1)"
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updatefile_rb="${updatefile%.*}_rb.upt"
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workingdir=$(realpath ./working_dir)
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workingdir_in=$workingdir"/in"
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workingdir_out=$workingdir"/out"
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rm -rf $workingdir
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mkdir $workingdir
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mkdir $workingdir_in
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mkdir $workingdir_out
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################################################################################
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### extract
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################################################################################
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# extract iso
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mkdir -p $workingdir_in/image_contents
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7z -o$workingdir_in/image_contents x $updatefile
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# create xImage (unchanged)
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mkdir -p $workingdir_out/xImage
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cat $workingdir_in/image_contents/ota_v0/xImage.* > $workingdir_out/xImage/xImage
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# create rootfs
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mkdir -p $workingdir_in/rootfs
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mkdir -p $workingdir_in/rootfs/extracted
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cat $workingdir_in/image_contents/ota_v0/rootfs.squashfs.* > $workingdir_in/rootfs/rootfs.squashfs
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# extract rootfs
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unsquashfs -f -d $workingdir_in/rootfs/extracted $workingdir_in/rootfs/rootfs.squashfs
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################################################################################
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### update
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################################################################################
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# copy 'bootloader'
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cp "$2" "$workingdir_in/rootfs/extracted/usr/bin/bootloader.rb"
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chmod 0755 "$workingdir_in/rootfs/extracted/usr/bin/bootloader.rb"
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# copy modified 'hibyplayer.sh' script
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cp hiby_player.sh $workingdir_in/rootfs/extracted/usr/bin/
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chmod 0755 $workingdir_in/rootfs/extracted/usr/bin/hiby_player.sh
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################################################################################
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### Rockbox Hotplug Logic
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################################################################################
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# 1. Create hotplug helper script
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cat << 'EOF' > $workingdir_in/rootfs/extracted/usr/bin/rb_hotplug.sh
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#!/bin/sh
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MNT_SD="/data/mnt/sd_0"
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MNT_USB="/data/mnt/usb"
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case "$MDEV" in
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mmcblk*) MNT="$MNT_SD" ;;
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sd*) MNT="$MNT_USB" ;;
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*) exit 0 ;;
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esac
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case "$ACTION" in
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add|"")
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mkdir -p "$MNT"
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mount -t auto -o flush,noatime "/dev/$MDEV" "$MNT"
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;;
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remove)
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umount -l "$MNT"
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;;
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esac
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EOF
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chmod 0755 $workingdir_in/rootfs/extracted/usr/bin/rb_hotplug.sh
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# 2. Check mdev.conf and append rules only if missing
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MDEV_CONF="$workingdir_in/rootfs/extracted/etc/mdev.conf"
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if ! grep -q "mmcblk" "$MDEV_CONF"; then
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echo "mmcblk[0-9]p[0-9] 0:0 660 */usr/bin/rb_hotplug.sh" >> "$MDEV_CONF"
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fi
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if ! grep -q "sd\[a-z\]" "$MDEV_CONF"; then
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echo "sd[a-z][0-9] 0:0 660 */usr/bin/rb_hotplug.sh" >> "$MDEV_CONF"
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fi
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################################################################################
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### rebuild
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################################################################################
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mkdir -p "$workingdir_out/image_contents/ota_v0"
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mksquashfs $workingdir_in/rootfs/extracted $workingdir_out/rootfs.squashfs -comp lzo -all-root
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cd "$workingdir_out/image_contents/ota_v0"
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# rootfs.squashfs
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split -b 512k $workingdir_out/rootfs.squashfs --numeric-suffixes=0 -a 4 rootfs.squashfs.
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rootfs_md5=($(md5sum $workingdir_out/rootfs.squashfs))
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rootfs_size=$(stat -c%s "$workingdir_out/rootfs.squashfs")
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md5=$rootfs_md5
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ota_md5_rootfs="ota_md5_rootfs.squashfs.$md5"
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for part in $(ls rootfs.squashfs.[0-9]* | sort); do
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md5next=($(md5sum $part))
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echo $md5next >> $ota_md5_rootfs
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mv $part "$part.$md5"
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md5=$md5next
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done
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# xImage
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split -b 512k $workingdir_out/xImage/xImage --numeric-suffixes=0 -a 4 xImage.
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ximage_md5=($(md5sum $workingdir_out/xImage/xImage))
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ximage_size=$(stat -c%s "$workingdir_out/xImage/xImage")
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md5=$ximage_md5
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ota_md5_xImage="ota_md5_xImage.$md5"
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for part in $(ls xImage.[0-9]* | sort); do
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md5next=($(md5sum $part))
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echo $md5next >> $ota_md5_xImage
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mv $part "$part.$md5"
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md5=$md5next
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done
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# ota_update.in
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echo "ota_version=0
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img_type=kernel
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img_name=xImage
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img_size=$ximage_size
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img_md5=$ximage_md5
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img_type=rootfs
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img_name=rootfs.squashfs
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img_size=$rootfs_size
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img_md5=$rootfs_md5
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" > ota_update.in
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echo > ota_v0.ok
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# ota_config.in
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cd "$workingdir_out/image_contents"
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echo "current_version=0" > ota_config.in
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# iso
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genisoimage -f -U -J -joliet-long -r -allow-lowercase -allow-multidot -o $currentdir/$updatefile_rb $workingdir_out/image_contents/
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################################################################################
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### cleanup
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################################################################################
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rm -rf $workingdir
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exit 0
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