Files
android_bootable_recovery/etc/init.rc
Hridya Valsaraju 20c81b308d Add fastboot mode to recovery
Add a fastboot mode to recovery that can be
entered with command line args or with the ui.

Add usb property triggers to switch between
fastboot and adb configurations.

Allow switching between fastboot and adb through
usb commands by opening a unix socket. adbd/fastbootd
writes to this socket, which interrupts the ui and
switches to the new mode.

Test: Use fastboot mode
Bug: 78793464
Change-Id: I7891bb84427ec734a21a872036629b95ab3fb13c
2018-08-13 21:18:18 -07:00

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import /init.recovery.${ro.hardware}.rc
on early-init
# Set the security context of /postinstall if present.
restorecon /postinstall
start ueventd
setprop sys.usb.configfs 0
on init
export ANDROID_ROOT /system
export ANDROID_DATA /data
export EXTERNAL_STORAGE /sdcard
symlink /system/bin /bin
symlink /system/etc /etc
mount cgroup none /acct cpuacct
mkdir /acct/uid
mkdir /sdcard
mkdir /system
mkdir /data
mkdir /cache
mkdir /sideload
mkdir /mnt/system
mount tmpfs tmpfs /tmp
chown root shell /tmp
chmod 0775 /tmp
write /proc/sys/kernel/panic_on_oops 1
write /proc/sys/vm/max_map_count 1000000
on boot
ifup lo
hostname localhost
domainname localdomain
class_start default
# Load properties from /system/ + /factory after fs mount.
on load_system_props_action
load_system_props
on firmware_mounts_complete
rm /dev/.booting
# Mount filesystems and start core system services.
on late-init
trigger early-fs
trigger fs
trigger post-fs
trigger post-fs-data
# Load properties from /system/ + /factory after fs mount. Place
# this in another action so that the load will be scheduled after the prior
# issued fs triggers have completed.
trigger load_system_props_action
# Remove a file to wake up anything waiting for firmware
trigger firmware_mounts_complete
trigger early-boot
trigger boot
service ueventd /system/bin/ueventd
critical
seclabel u:r:ueventd:s0
service charger /charger -r
critical
seclabel u:r:charger:s0
service recovery /system/bin/recovery
socket recovery stream 422 system system
seclabel u:r:recovery:s0
service adbd /system/bin/adbd --root_seclabel=u:r:su:s0 --device_banner=recovery
disabled
socket adbd stream 660 system system
seclabel u:r:adbd:s0
service fastbootd /system/bin/fastbootd
disabled
group system
seclabel u:r:fastbootd:s0
# Restart adbd so it can run as root
on property:service.adb.root=1
restart adbd
# Always start adbd on userdebug and eng builds
on fs && property:ro.debuggable=1
setprop sys.usb.config adb
on fs && property:sys.usb.configfs=1
mount configfs none /config
mkdir /config/usb_gadget/g1 0770 shell shell
write /config/usb_gadget/g1/idVendor 0x18D1
mkdir /config/usb_gadget/g1/strings/0x409 0770
write /config/usb_gadget/g1/strings/0x409/serialnumber ${ro.serialno}
write /config/usb_gadget/g1/strings/0x409/manufacturer ${ro.product.manufacturer}
write /config/usb_gadget/g1/strings/0x409/product ${ro.product.model}
mkdir /config/usb_gadget/g1/functions/ffs.adb
mkdir /config/usb_gadget/g1/functions/ffs.fastboot
mkdir /config/usb_gadget/g1/configs/b.1 0777 shell shell
mkdir /config/usb_gadget/g1/configs/b.1/strings/0x409 0770 shell shell
on fs && property:sys.usb.configfs=0
write /sys/class/android_usb/android0/f_ffs/aliases adb,fastboot
write /sys/class/android_usb/android0/idVendor 18D1
write /sys/class/android_usb/android0/iManufacturer ${ro.product.manufacturer}
write /sys/class/android_usb/android0/iProduct ${ro.product.model}
write /sys/class/android_usb/android0/iSerial ${ro.serialno}
on fs
mkdir /dev/usb-ffs 0775 shell shell
mkdir /dev/usb-ffs/adb 0770 shell shell
mount functionfs adb /dev/usb-ffs/adb uid=2000,gid=2000
mkdir /dev/usb-ffs/fastboot 0770 system system
mount functionfs fastboot /dev/usb-ffs/fastboot rmode=0770,fmode=0660,uid=1000,gid=1000
on property:sys.usb.config=adb
start adbd
on property:sys.usb.config=fastboot
start fastbootd
on property:sys.usb.config=none
stop adbd
stop fastbootd
on property:sys.usb.config=none && property:sys.usb.configfs=0
write /sys/class/android_usb/android0/enable 0
setprop sys.usb.state ${sys.usb.config}
on property:sys.usb.config=adb && property:sys.usb.configfs=0
write /sys/class/android_usb/android0/idProduct D001
write /sys/class/android_usb/android0/functions adb
write /sys/class/android_usb/android0/enable 1
setprop sys.usb.state ${sys.usb.config}
on property:sys.usb.config=fastboot && property:sys.usb.configfs=0
write /sys/class/android_usb/android0/idProduct 4EE0
write /sys/class/android_usb/android0/functions fastboot
write /sys/class/android_usb/android0/enable 1
setprop sys.usb.state ${sys.usb.config}
# Configfs triggers
on property:sys.usb.config=none && property:sys.usb.configfs=1
write /config/usb_gadget/g1/UDC "none"
setprop sys.usb.ffs.ready 0
rm /config/usb_gadget/g1/configs/b.1/f1
setprop sys.usb.state ${sys.usb.config}
on property:sys.usb.config=adb && property:sys.usb.ffs.ready=1 && property:sys.usb.configfs=1
write /config/usb_gadget/g1/idProduct 0xD001
write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "adb"
symlink /config/usb_gadget/g1/functions/ffs.adb /config/usb_gadget/g1/configs/b.1/f1
write /config/usb_gadget/g1/UDC ${sys.usb.controller}
setprop sys.usb.state ${sys.usb.config}
on property:sys.usb.config=fastboot && property:sys.usb.ffs.ready=1 && property:sys.usb.configfs=1
write /config/usb_gadget/g1/idProduct 0x4EE0
write /config/usb_gadget/g1/configs/b.1/strings/0x409/configuration "fastboot"
symlink /config/usb_gadget/g1/functions/ffs.fastboot /config/usb_gadget/g1/configs/b.1/f1
write /config/usb_gadget/g1/UDC ${sys.usb.controller}
setprop sys.usb.state ${sys.usb.config}