austin: Initial TWRP tree

Android.mk

@@ -0,0 +1,5 @@
+LOCAL_PATH := $(call my-dir)
+
+ifeq ($(TARGET_DEVICE), austin)
+include $(call all-subdir-makefiles,$(LOCAL_PATH))
+endif

AndroidProducts.mk

@@ -0,0 +1 @@
+PRODUCT_MAKEFILES := $(LOCAL_DIR)/omni_austin.mk

BoardConfig.mk

@@ -0,0 +1,60 @@
+DEVICE_PATH := device/amazon/austin
+
+# Platform
+TARGET_NO_BOOTLOADER := true
+TARGET_BOARD_PLATFORM := mt8127
+BOARD_HAS_NO_SELECT_BUTTON := true
+
+# Arch
+TARGET_ARCH := arm
+TARGET_ARCH_VARIANT := armv7-a-neon
+TARGET_CPU_ABI := armeabi-v7a
+TARGET_CPU_ABI2 := armeabi
+TARGET_CPU_VARIANT := cortex-a7
+
+# Kernel
+BOARD_KERNEL_BASE := 0x80000000
+BOARD_KERNEL_OFFSET := 0x00008000
+BOARD_KERNEL_TAGS_OFFSET := 0x00000100
+BOARD_RAMDISK_OFFSET := 0x04000000
+BOARD_SECOND_OFFSET := 0x00f00000
+BOARD_KERNEL_PAGESIZE := 2048
+BOARD_HASH_TYPE := sha1
+BOARD_BOOTIMG_HEADER_VERSION := 0
+BOARD_KERNEL_CMDLINE += androidboot.selinux=permissive
+
+BOARD_MKBOOTIMG_ARGS := --ramdisk_offset $(BOARD_RAMDISK_OFFSET)
+BOARD_MKBOOTIMG_ARGS += --second_offset $(BOARD_SECOND_OFFSET)
+BOARD_MKBOOTIMG_ARGS += --tags_offset $(BOARD_KERNEL_TAGS_OFFSET)
+BOARD_MKBOOTIMG_ARGS += --header_version $(BOARD_BOOTIMG_HEADER_VERSION)
+BOARD_MKBOOTIMG_ARGS += --board ""
+
+TARGET_PREBUILT_KERNEL := $(DEVICE_PATH)/prebuilt/zImage
+PRODUCT_COPY_FILES += \
+    $(TARGET_PREBUILT_KERNEL):kernel
+
+LZMA_RAMDISK_TARGETS := recovery
+
+# Recovery
+RECOVERY_VARIANT := twrp
+TARGET_RECOVERY_FSTAB := $(DEVICE_PATH)/recovery.fstab
+
+# Partitions
+BOARD_BOOTIMAGE_PARTITION_SIZE := 16777216
+BOARD_RECOVERYIMAGE_PARTITION_SIZE := 16777216
+BOARD_FLASH_BLOCK_SIZE := 131072
+
+# Filesystems
+TARGET_USERIMAGES_USE_EXT4 := true
+
+# TWRP
+TW_THEME := portrait_hdpi
+TW_NO_LEGACY_PROPS := true
+TW_BRIGHTNESS_PATH := /sys/devices/platform/leds-mt65xx/leds/lcd-backlight/brightness
+
+# Vold
+TARGET_USE_CUSTOM_LUN_FILE_PATH := /sys/devices/platform/mt_usb/musb-hdrc.0.auto/gadget/lun0/file
+
+# Amonet
+TW_AMONET := true
+TW_HACKED_BL_BUTTON := true

omni_austin.mk

@@ -0,0 +1,11 @@
+# Inherit from those products. Most specific first.
+$(call inherit-product, $(SRC_TARGET_DIR)/product/aosp_base.mk)
+
+# Inherit from our TWRP configuration
+$(call inherit-product, vendor/omni/config/common.mk)
+
+# Product
+PRODUCT_NAME := omni_austin
+PRODUCT_DEVICE := austin
+PRODUCT_BRAND := Amazon
+PRODUCT_MANUFACTURER := Amazon

recovery/root/amonet-fixup.sh

@@ -0,0 +1,4 @@
+#!/sbin/sh
+
+/sbin/sh /fix-symlinks.sh
+/sbin/sh /fix-bootpatch.sh

recovery/root/etc/recovery.fstab

@@ -0,0 +1,32 @@
+# Preloader
+/dev/block/mmcblk0boot0                               /boot0             emmc    defaults    defaults
+
+# Bootloader
+/dev/block/platform/mtk-msdc.0/by-name/UBOOT          /UBOOT             emmc    defaults    defaults
+
+# Trusted Execution Environment
+/dev/block/platform/mtk-msdc.0/by-name/TEE1           /TEE1              emmc    defaults    defaults
+/dev/block/platform/mtk-msdc.0/by-name/TEE2           /TEE2              emmc    defaults    defaults
+
+# Keybox
+/dev/block/platform/mtk-msdc.0/by-name/DKB            /DKB               emmc    defaults    defaults
+/dev/block/platform/mtk-msdc.0/by-name/KB             /KB                emmc    defaults    defaults
+
+# Kernel
+/dev/block/platform/mtk-msdc.0/by-name/boot           /boot              emmc    defaults    defaults
+/dev/block/platform/mtk-msdc.0/by-name/recovery       /recovery          emmc    defaults    defaults
+
+# Filesystems
+/dev/block/platform/mtk-msdc.0/by-name/system         /system            ext4    ro       wait
+/dev/block/platform/mtk-msdc.0/by-name/userdata       /data              ext4    noatime,nosuid,nodev,noauto_da_alloc,discard	wait,check,encryptable=/dev/block/platform/mtk-msdc.0/by-name/metadata
+/dev/block/platform/mtk-msdc.0/by-name/cache          /cache             ext4    noatime,nosuid,nodev,noauto_da_alloc,discard	wait,check
+
+# Bootloader Message
+/dev/block/platform/mtk-msdc.0/by-name/MISC           /misc              emmc    defaults defaults
+
+# Logs
+/dev/block/platform/mtk-msdc.0/by-name/EXPDB          /EXPDB             emmc    defaults defaults
+
+# External Storages
+/devices/soc/11240000.mmc/mmc_host/mmc*               auto               auto    defaults    voldmanaged=sdcard1:auto,encryptable=userdata
+/devices/platform/mt_usb*                             auto               auto    defaults    voldmanaged=usbotg:auto

recovery/root/fix-bootpatch.sh

@@ -0,0 +1,18 @@
+#!/sbin/sh
+
+dd if=/dev/block/platform/mtk-msdc.0/by-name/recovery of=/tmp/recovery_amonet.hdr bs=512 count=2
+dd if=/dev/block/platform/mtk-msdc.0/by-name/boot of=/tmp/boot_amonet.hdr bs=512 count=2
+dd if=/dev/block/platform/mtk-msdc.0/by-name/boot of=/tmp/boot_amonet.hdr2 bs=512 count=2 skip=2
+
+diff /tmp/recovery_amonet.hdr /tmp/boot_amonet.hdr
+
+if [ $? -ne 0 ] ; then
+    echo "Detected old or overwritten boot-exploit, restoring from recovery" > /tmp/restore_bootpatch.log
+    grep "ANDROID!" /tmp/boot_amonet.hdr2
+    if [ $? -ne 0 ] ; then
+    	echo "Copy header to block 2" >> /tmp/restore_bootpatch.log
+    	dd if=/tmp/boot_amonet.hdr of=/dev/block/platform/mtk-msdc.0/by-name/boot bs=512 count=2 seek=2	
+    fi
+
+    dd if=/tmp/recovery_amonet.hdr of=/dev/block/platform/mtk-msdc.0/by-name/boot bs=512 count=2
+fi

recovery/root/fix-symlinks.sh

@@ -0,0 +1,17 @@
+#!/sbin/sh
+
+REAL_UBOOT=`readlink -f /dev/block/platform/mtk-msdc.0/by-name/UBOOT`
+REAL_TEE1=`readlink -f /dev/block/platform/mtk-msdc.0/by-name/TEE1`
+REAL_TEE2=`readlink -f /dev/block/platform/mtk-msdc.0/by-name/TEE2`
+
+rm /dev/block/platform/mtk-msdc.0/by-name/UBOOT
+rm /dev/block/platform/mtk-msdc.0/by-name/TEE1
+rm /dev/block/platform/mtk-msdc.0/by-name/TEE2
+
+ln -s $REAL_UBOOT /dev/block/platform/mtk-msdc.0/by-name/UBOOT_real
+ln -s $REAL_TEE1 /dev/block/platform/mtk-msdc.0/by-name/TEE1_real
+ln -s $REAL_TEE2 /dev/block/platform/mtk-msdc.0/by-name/TEE2_real
+
+ln -s /dev/null /dev/block/platform/mtk-msdc.0/by-name/UBOOT
+ln -s /dev/null /dev/block/platform/mtk-msdc.0/by-name/TEE1
+ln -s /dev/null /dev/block/platform/mtk-msdc.0/by-name/TEE2

recovery/root/init.recovery.mt8127.rc

@@ -0,0 +1,9 @@
+on boot
+    exec /sbin/sh /amonet-fixup.sh
+
+# This is for preloader update
+on property:amonet.preloader=rw
+    write /sys/block/mmcblk0boot0/force_ro 0
+
+on property:amonet.preloader=ro
+    write /sys/block/mmcblk0boot0/force_ro 1

recovery/root/sbin/reboot-amonet

@@ -0,0 +1,3 @@
+#!/sbin/sh
+
+echo -ne "boot-amonet\x00" | dd of=/dev/block/platform/mtk-msdc.0/by-name/MISC >/dev/null 2>&1 && reboot recovery

vendorsetup.sh

@@ -0,0 +1,3 @@
+add_lunch_combo omni_austin-eng
+add_lunch_combo omni_austin-userdebug
+add_lunch_combo omni_austin-user