43 lines
1.1 KiB
Bash
43 lines
1.1 KiB
Bash
#!/usr/bin/ash
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# You can set these variables manually inside their respective functions if
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# you do not wish to boot using MultiROM:
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#
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# To boot using a loop-mounted image stored in /data as the root FS:
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# loop=/path/to/arch.img
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# loopfstype=ext4
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#
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# To boot using a bind-mounted subdirectory of /data as the root FS:
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# rootsubdir=/local/arch
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#
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# loop= and rootsubdir= are relative to /data on Android, not /.
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run_hook () {
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if [ -z "$rootsubdir" ]; then
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if [ -z "$loop" ]; then
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error "no loop= or rootsubdir= provided on cmdline"
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return 1
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else
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msg "root is an image at: $loop"
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mount_handler="img_mount_handler"
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fi
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else
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msg "root is a subdirectory at: $rootsubdir"
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mount_handler="dir_mount_handler"
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fi
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}
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img_mount_handler() {
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mkdir /host
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mount -t $rootfstype $root /host
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mknod /dev/loop256 b 7 256
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losetup /dev/loop256 /host/$loop
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mount -t $loopfstype -o rw,noatime /dev/loop256 /new_root
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}
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dir_mount_handler() {
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mkdir /host
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mount -t $rootfstype $root /host
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mount --bind /host/$rootsubdir /new_root
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}
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