Adaptations/libhybris/FxtecPro1

Keep sfos on A slot.

Installing image

There is no TWRP available so it's csdmplicated. I tried to build image manually but it had corrupted ext4 (for whatever reason). You can install stock on B slot and install sfos from stock (not tested).

Instructions:

- put .tar.bz2 file onto SDCARD
- using fastboot format userdata
  - fastboot format:ext4 userdata
  - fastboot set-active a (formatting userdata will change slot most likely)
- flash kernel
- it will boot to ramdisk then:
  - mkdir /sdcard
  - mount /dev/mmcblk0p1 /sdcard
  - cp /sdcard/sfos.tar.bz2 /data/sailfishos-rootfs.tar.bz2
  - Do as this script does (literally copy paste lines) updater-unpack.sh
  - after unpacking reboot and it should be fine

Development bugs:

- PEERSEC is not available which causes droid-hal-init to crash

- CANNOT LINK EXECUTABLE … is not accessible for the namespace here Fixed by simply changing linked if

- test_egl_configs works. test_hwc2 doesn't:

==12102== Invalid read of size 1
==12102==    at 0x53EC858: __fsetlocking (in /usr/libexec/droid-hybris/system/lib/libc.so)

well, that's interesting, means we have unhooked file function somewhere

__fsetlocking usage came from external/selinux/libselinux/src/init.c (statically linked to libpdx_default_transport.so), which we will neutralize anyway

- To have a speedy build without whole vendorimage, modify hybris-boot/Android.mk

near the bottom, remove vendorimage from HYBRIS_COMMON_ANDROID8_TARGETS
add to HYBRIS_TARGETS (arm64) fstab.qcom qca_cld3_wlan.ko ueventd.qcom.rc