From c8ef7ab497e437d596c33378a131c096a1dac133 Mon Sep 17 00:00:00 2001
From: Fabian Leutenegger <fabian.leutenegger@bluewin.ch>
Date: Tue, 26 Mar 2024 18:41:05 +0700
Subject: [PATCH] sapphire-kernel: Add script to extract/update kernel from
 dumpyara dumps

Change-Id: I5659299815a0e41f8da353daa3723c44bb0d4227
---
 Module.symvers   |  0
 System.map       |  0
 extract-files.sh | 80 ++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 80 insertions(+)
 create mode 100644 Module.symvers
 create mode 100644 System.map
 create mode 100755 extract-files.sh

diff --git a/Module.symvers b/Module.symvers
new file mode 100644
index 0000000..e69de29
diff --git a/System.map b/System.map
new file mode 100644
index 0000000..e69de29
diff --git a/extract-files.sh b/extract-files.sh
new file mode 100755
index 0000000..0a69a33
--- /dev/null
+++ b/extract-files.sh
@@ -0,0 +1,80 @@
+#!/bin/bash
+#
+# Copyright (C) 2023 Paranoid Android
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+set -e
+
+### Setup
+DUMP="${1}"
+MY_DIR="${BASH_SOURCE%/*}"
+declare -a MODULE_FOLDERS=("." "vendor_dlkm" "system_dlkm")
+
+if [ ! -f "${MY_DIR}/Module.symvers" ]; then
+    touch "${MY_DIR}/Module.symvers"
+fi
+if [ ! -f "${MY_DIR}/System.map" ]; then
+    touch "${MY_DIR}/System.map"
+fi
+
+# Check if dump is specified and exists
+if [ "$#" -ne 1 ]; then
+    echo "Please specify your dump"
+    exit 1
+fi
+if [ ! -d "${DUMP}" ]; then
+    echo "Unable to find dump at ${DUMP}"
+    exit 1
+fi
+
+### Kernel
+cp -f "${DUMP}/aosp-device-tree/prebuilts/kernel" "${MY_DIR}/Image"
+
+### DTBS
+# Cleanup / Preparation
+if [ ! -d "${MY_DIR}/dtbs" ]; then
+    mkdir "${MY_DIR}/dtbs"
+fi
+
+rm -f "${MY_DIR}/dtbs/00_kernel"
+find "${MY_DIR}/dtbs" -type f -name "*.dtb" -delete
+rm -f "${MY_DIR}/dtbs/dtbo.img"
+
+# Copy
+cp -f "${DUMP}/aosp-device-tree/prebuilts/dtbo.img" "${MY_DIR}/dtbs/dtbo.img"
+
+mkdir "${MY_DIR}/_temp"
+curl -L "https://raw.githubusercontent.com/PabloCastellano/extract-dtb/master/extract_dtb/extract_dtb.py" > ${MY_DIR}/_temp/extract_dtb.py
+cp -f "${DUMP}/aosp-device-tree/prebuilts/dtb.img" "${MY_DIR}/_temp/dtb.img"
+python3 "${MY_DIR}/_temp/extract_dtb.py" "${MY_DIR}/_temp/dtb.img" -o "${MY_DIR}/dtbs"
+rm -rf "_temp"
+
+### Modules
+# Cleanup / Preparation
+for MODULE_FOLDER in "${MODULE_FOLDERS[@]}"; do
+    if [ -d "${MY_DIR}/${MODULE_FOLDER}" ]; then
+        find "${MY_DIR}/${MODULE_FOLDER}" -type f -name "*.ko" -maxdepth 1 -delete
+        find "${MY_DIR}/${MODULE_FOLDER}" -type f -name "*modules*" -maxdepth 1 -delete
+    elif [ ! -d "${MY_DIR}/${MODULE_FOLDER}" ] && [ "${MODULE_FOLDER}" != "." ]; then
+        mkdir "${MY_DIR}/${MODULE_FOLDER}"
+    fi
+done
+
+# Copy
+for MODULE_FOLDER in "${MODULE_FOLDERS[@]}"; do
+    if [ "${MODULE_FOLDER}" == "." ]; then
+        mkdir "${MY_DIR}/_temp"
+        curl -L "https://github.com/cfig/Android_boot_image_editor/releases/download/v13_r3/boot_editor_v13r3.zip" > ${MY_DIR}/_temp/boot_editor_v13r3.zip
+        unzip "${MY_DIR}/_temp/boot_editor_v13r3.zip" -d "${MY_DIR}/_temp/"
+        cp -f "${DUMP}/vendor_boot.img" "${MY_DIR}/_temp/boot_editor_v13r3/"
+        ( cd "${MY_DIR}/_temp/boot_editor_v13r3/" && ./gradlew unpack )
+        find "${MY_DIR}/_temp/boot_editor_v13r3/build/unzip_boot/root.1/" -type f -name "*.ko" -exec cp {} "${MY_DIR}/${MODULE_FOLDER}/" \;
+        find "${MY_DIR}/_temp/boot_editor_v13r3/build/unzip_boot/root.1/" -type f -name "*modules*" -exec cp {} "${MY_DIR}/${MODULE_FOLDER}/" \;
+        rm -rf "_temp"
+    else
+        find "${DUMP}/${MODULE_FOLDER}/" -type f -name "*.ko" -exec cp {} "${MY_DIR}/${MODULE_FOLDER}/" \;
+        find "${DUMP}/${MODULE_FOLDER}/" -type f -name "*modules*" -exec cp {} "${MY_DIR}/${MODULE_FOLDER}/" \;
+    fi
+done