From 20c81b308d834f84f3decf795575dc7a0baeb69d Mon Sep 17 00:00:00 2001 From: Hridya Valsaraju Date: Fri, 27 Jul 2018 22:09:12 -0700 Subject: 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 --- etc/init.rc | 103 +++++++++++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 84 insertions(+), 19 deletions(-) (limited to 'etc') diff --git a/etc/init.rc b/etc/init.rc index 3821eb6a8..9add2494a 100644 --- a/etc/init.rc +++ b/etc/init.rc @@ -6,6 +6,8 @@ on early-init start ueventd + setprop sys.usb.configfs 0 + on init export ANDROID_ROOT /system export ANDROID_DATA /data @@ -31,20 +33,6 @@ on init write /proc/sys/kernel/panic_on_oops 1 write /proc/sys/vm/max_map_count 1000000 -on fs - write /sys/class/android_usb/android0/f_ffs/aliases adb - mkdir /dev/usb-ffs 0770 shell shell - mkdir /dev/usb-ffs/adb 0770 shell shell - mount functionfs adb /dev/usb-ffs/adb uid=2000,gid=2000 - - write /sys/class/android_usb/android0/enable 0 - write /sys/class/android_usb/android0/idVendor 18D1 - write /sys/class/android_usb/android0/idProduct D001 - write /sys/class/android_usb/android0/functions adb - 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 boot ifup lo hostname localhost @@ -86,6 +74,7 @@ service charger /charger -r 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 @@ -93,13 +82,89 @@ service adbd /system/bin/adbd --root_seclabel=u:r:su:s0 --device_banner=recovery socket adbd stream 660 system system seclabel u:r:adbd:s0 -# Always start adbd on userdebug and eng builds -on property:ro.debuggable=1 - write /sys/class/android_usb/android0/enable 1 - start adbd +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 - write /sys/class/android_usb/android0/enable 0 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} -- cgit v1.2.3