a6lte: github changes

Android.mk

@@ -0,0 +1,25 @@
+#
+# Copyright (C) 2018 The TwrpBuilder Open-Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+ifeq ($(TARGET_DEVICE),a6lte)
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
+
+include $(CLEAR_VARS)
+
+endif

AndroidProducts.mk

@@ -0,0 +1,20 @@
+#
+# Copyright 2017 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := device/samsung/a6lte/
+
+include $(call all-makefiles-under,$(LOCAL_PATH))
+PRODUCT_MAKEFILES := $(LOCAL_PATH)/omni_a6lte.mk

BoardConfig.mk

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+#
+# Copyright 2017 The Android Open Source Project
+#
+# Copyright (C) 2018-2020 OrangeFox Recovery Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+DEVICE_PATH := device/samsung/a6lte
+
+# Architecture
+TARGET_ARCH := arm64
+TARGET_ARCH_VARIANT := armv8-a
+TARGET_CPU_ABI := arm64-v8a
+TARGET_CPU_ABI2 :=
+TARGET_CPU_VARIANT := cortex-a53
+TARGET_CPU_VARIANT_RUNTIME := cortex-a53
+
+TARGET_2ND_ARCH := arm
+TARGET_2ND_ARCH_VARIANT := armv8-a
+TARGET_2ND_CPU_ABI := armeabi-v7a
+TARGET_2ND_CPU_ABI2 := armeabi
+TARGET_2ND_CPU_VARIANT := cortex-a53
+TARGET_2ND_CPU_VARIANT_RUNTIME := cortex-a53
+
+TARGET_USES_64_BIT_BINDER := true
+
+# Bootloader
+BOARD_VENDOR := samsung
+TARGET_BOARD_PLATFORM := exynos5
+TARGET_SOC := exynos7870
+TARGET_BOOTLOADER_BOARD_NAME := universal7870
+TARGET_NO_BOOTLOADER := true
+TARGET_NO_RADIOIMAGE := true
+
+# Crypto
+TW_INCLUDE_CRYPTO := true
+TW_INCLUDE_CRYPTO_FBE := true
+TW_INCLUDE_FBE := true
+
+# Kernel
+TARGET_KERNEL_ARCH := arm64
+TARGET_KERNEL_HEADER_ARCH := arm64
+TARGET_KERNEL_CONFIG := exynos7870-a6lte_defconfig
+TARGET_KERNEL_SOURCE := kernel/samsung/exynos7870
+
+# Extracted with libbootimg
+BOARD_CUSTOM_BOOTIMG := true
+BOARD_CUSTOM_BOOTIMG_MK := $(DEVICE_PATH)/dtbhtool/mkbootimg.mk
+BOARD_MKBOOTIMG_ARGS := --kernel_offset 0x00008000 --ramdisk_offset 0x01000000 --tags_offset 0x00000100
+BOARD_KERNEL_BASE := 0x10000000
+BOARD_KERNEL_PAGESIZE := 2048
+BOARD_KERNEL_IMAGE_NAME := Image
+BOARD_KERNEL_SEPARATED_DT := true
+TARGET_CUSTOM_DTBTOOL := dtbhtoolExynos
+
+# File systems
+BOARD_HAS_LARGE_FILESYSTEM := true
+BOARD_VENDORIMAGE_FILE_SYSTEM_TYPE := ext4
+TARGET_USERIMAGES_USE_EXT4 := true
+TARGET_USERIMAGES_USE_F2FS := true
+
+# LZMA support
+LZMA_RAMDISK_TARGETS := recovery
+
+TARGET_RECOVERY_FSTAB := $(DEVICE_PATH)/recovery.fstab
+
+# Recovery
+TARGET_RECOVERY_PIXEL_FORMAT := "ABGR_8888"
+AB_OTA_UPDATER := false
+
+# TWRP specific build flags
+TARGET_OTA_ASSERT_DEVICE := a6lte
+RECOVERY_SDCARD_ON_DATA := true
+TW_BRIGHTNESS_PATH := "/sys/class/backlight/panel/brightness"
+TW_EXCLUDE_DEFAULT_USB_INIT := true
+TW_EXTRA_LANGUAGES := true
+TW_DEFAULT_LANGUAGE := en
+TW_INCLUDE_NTFS_3G := true
+TW_INPUT_BLACKLIST := "hbtp_vm"
+TW_MAX_BRIGHTNESS := 255
+TW_DEFAULT_BRIGHTNESS := 162
+TW_THEME := portrait_hdpi
+TW_SCREEN_BLANK_ON_BOOT := true
+TWRP_INCLUDE_LOGCAT := true
+TARGET_USES_LOGD := true
+TW_USE_TOOLBOX := true
+TW_NO_REBOOT_BOOTLOADER := true
+
+# exFAT FS Support
+TW_INCLUDE_FUSE_EXFAT := true
+
+# NTFS Support
+TW_INCLUDE_FUSE_NTFS := true
+
+# Vendor separation
+TARGET_COPY_OUT_VENDOR := vendor
+
+# Android Verified Boot
+BOARD_AVB_ENABLE := false
+BOARD_BUILD_DISABLED_VBMETAIMAGE := true
+
+# Include
+TARGET_SPECIFIC_HEADER_PATH := $(DEVICE_PATH)/dtbhtool/include

README.md

@@ -0,0 +1,26 @@
+# TWRP for the Samsung Galaxy A6 201
+
+### How to build ###
+
+```bash
+# Create dirs
+$ mkdir twrp ; cd twrp
+
+# Init repo
+$ repo init --depth=1 -u https://github.com/minimal-manifest-twrp/platform_manifest_twrp_omni.git -b twrp-9.0
+
+# Clone my local repo
+$ git clone https://github.com/samsungexynos7870/android_manifest_samsung_a6lte.git -b twrp .repo/local_manifests
+
+# Sync
+$ repo sync --no-repo-verify -c --force-sync --no-clone-bundle --no-tags --optimized-fetch --prune -j`nproc`
+
+# Build
+$ mv device/samsung/a6lte/build_twrp.sh .
+$ . build_twrp.sh a6lte
+```
+## Credits
+2020 @Astrako
+
+## Contact
+Telegram support group: https://t.me/joinchat/D1Jk_VbieGBXOWZt2y8O7A

build_twrp.sh

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+#!/bin/bash
+
+# configure some default settings for the build
+export ALLOW_MISSING_DEPENDENCIES=true
+
+# lzma
+export LZMA_RAMDISK_TARGETS="recovery"
+
+# compile it
+for i in $*; do
+    TARGET_DEVICE="$i"
+    . build/envsetup.sh
+    lunch omni_`echo $i`-eng
+    mka recoveryimage -j`nproc`
+done

dtbhtool/Android.mk

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+LOCAL_PATH:= $(call my-dir)
+
+# Host static library
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := dtbimg.c
+LOCAL_STATIC_LIBRARIES := libfdt
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/libdtbimg
+LOCAL_MODULE := libdtbimg
+include $(BUILD_HOST_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := mkbootimg.c
+LOCAL_STATIC_LIBRARIES := libdtbimg libfdt libcrypto_static
+
+LOCAL_MODULE := mkdtbhbootimg
+
+include $(BUILD_HOST_EXECUTABLE)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := unpackbootimg.c
+LOCAL_MODULE := unpackdtbhbootimg
+include $(BUILD_HOST_EXECUTABLE)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := mkdtbimg.c
+LOCAL_STATIC_LIBRARIES := libdtbimg libfdt
+
+LOCAL_MODULE := dtbhtoolExynos
+
+include $(BUILD_HOST_EXECUTABLE)
+
+# Target static library
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := dtbimg.c
+LOCAL_STATIC_LIBRARIES := libfdt
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/libdtbimg
+LOCAL_MODULE := libdtbimg
+include $(BUILD_STATIC_LIBRARY)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := mkbootimg.c
+LOCAL_STATIC_LIBRARIES := libdtbimg libfdt libcrypto_static libcutils libc
+LOCAL_MODULE := utility_mkdtbhbootimg
+LOCAL_MODULE_STEM := mkdtbhbootimg
+LOCAL_MODULE_CLASS := EXECUTABLES
+LOCAL_UNSTRIPPED_PATH := $(PRODUCT_OUT)/symbols/utilities
+LOCAL_MODULE_PATH := $(PRODUCT_OUT)/utilities
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+include $(BUILD_EXECUTABLE)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := unpackbootimg.c
+LOCAL_STATIC_LIBRARIES := libcutils libc
+LOCAL_MODULE := utility_unpackdtbhbootimg
+LOCAL_MODULE_STEM := unpackdtbhbootimg
+LOCAL_MODULE_CLASS := EXECUTABLES
+LOCAL_UNSTRIPPED_PATH := $(PRODUCT_OUT)/symbols/utilities
+LOCAL_MODULE_PATH := $(PRODUCT_OUT)/utilities
+LOCAL_FORCE_STATIC_EXECUTABLE := true
+include $(BUILD_EXECUTABLE)
+
+include $(CLEAR_VARS)
+LOCAL_SRC_FILES := unpackdtbhimg.c
+LOCAL_MODULE := unpackdtbhimg
+include $(BUILD_HOST_EXECUTABLE)
+
+$(call dist-for-goals,dist_files,$(LOCAL_BUILT_MODULE))

dtbhtool/bootimg.h

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+/* tools/mkbootimg/bootimg.h
+**
+** Copyright 2007, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License"); 
+** you may not use this file except in compliance with the License. 
+** You may obtain a copy of the License at 
+**
+**     http://www.apache.org/licenses/LICENSE-2.0 
+**
+** Unless required by applicable law or agreed to in writing, software 
+** distributed under the License is distributed on an "AS IS" BASIS, 
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
+** See the License for the specific language governing permissions and 
+** limitations under the License.
+*/
+
+#ifndef _BOOT_IMAGE_H_
+#define _BOOT_IMAGE_H_
+
+typedef struct boot_img_hdr boot_img_hdr;
+
+#define BOOT_MAGIC "ANDROID!"
+#define BOOT_MAGIC_SIZE 8
+#define BOOT_NAME_SIZE 16
+#define BOOT_ARGS_SIZE 512
+
+struct boot_img_hdr
+{
+    unsigned char magic[BOOT_MAGIC_SIZE];
+
+    unsigned kernel_size;  /* size in bytes */
+    unsigned kernel_addr;  /* physical load addr */
+
+    unsigned ramdisk_size; /* size in bytes */
+    unsigned ramdisk_addr; /* physical load addr */
+
+    unsigned second_size;  /* size in bytes */
+    unsigned second_addr;  /* physical load addr */
+
+    unsigned tags_addr;    /* physical addr for kernel tags */
+    unsigned page_size;    /* flash page size we assume */
+    unsigned dt_size;      /* device tree in bytes */
+    unsigned unused;       /* future expansion: should be 0 */
+    unsigned char name[BOOT_NAME_SIZE]; /* asciiz product name */
+
+    unsigned char cmdline[BOOT_ARGS_SIZE];
+
+    unsigned id[8]; /* timestamp / checksum / sha1 / etc */
+};
+
+/*
+** +-----------------+ 
+** | boot header     | 1 page
+** +-----------------+
+** | kernel          | n pages  
+** +-----------------+
+** | ramdisk         | m pages  
+** +-----------------+
+** | second stage    | o pages
+** +-----------------+
+** | device tree     | p pages
+** +-----------------+
+** | signature       | 256 bytes
+** +-----------------+
+**
+** n = (kernel_size + page_size - 1) / page_size
+** m = (ramdisk_size + page_size - 1) / page_size
+** o = (second_size + page_size - 1) / page_size
+** p = (dt_size + page_size - 1) / page_size
+**
+** 0. all entities are page_size aligned in flash
+** 1. kernel and ramdisk are required (size != 0)
+** 2. second is optional (second_size == 0 -> no second)
+** 3. load each element (kernel, ramdisk, second) at
+**    the specified physical address (kernel_addr, etc)
+** 4. prepare tags at tag_addr.  kernel_args[] is
+**    appended to the kernel commandline in the tags.
+** 5. r0 = 0, r1 = MACHINE_TYPE, r2 = tags_addr
+** 6. if second_size != 0: jump to second_addr
+**    else: jump to kernel_addr
+*/
+
+#if 0
+typedef struct ptentry ptentry;
+
+struct ptentry {
+    char name[16];      /* asciiz partition name    */
+    unsigned start;     /* starting block number    */
+    unsigned length;    /* length in blocks         */
+    unsigned flags;     /* set to zero              */
+};
+
+/* MSM Partition Table ATAG
+**
+** length: 2 + 7 * n
+** atag:   0x4d534d70
+**         <ptentry> x n
+*/
+#endif
+
+#endif