universal7885: Inital port to A20/A20e

Addtitionally, Add device-specific trees as well

Change-Id: Icbbc31c063b18bce3702d0b208a0aee78148a7c0
Signed-off-by: roynatech2544 <whiteshell2544@naver.com>

universal7885-common/recovery/Android.bp

@@ -0,0 +1,28 @@
+//
+// Copyright (C) 2021 The LineageOS 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.
+//
+
+cc_library_static {
+    name: "librecovery_updater_universal7884B",
+    srcs: [
+        "recovery_updater.cpp",
+    ],
+    include_dirs: [
+        "system/core/base/include",
+        "bootable/recovery",
+        "bootable/recovery/edify/include",
+        "bootable/recovery/otautil/include"
+    ],
+}

universal7885-common/recovery/Android.mk

@@ -0,0 +1,9 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE            := init.recovery.exynos7884B.rc
+LOCAL_MODULE_TAGS       := optional
+LOCAL_MODULE_CLASS      := ETC
+LOCAL_SRC_FILES         := init.recovery.exynos7884B.rc
+LOCAL_MODULE_PATH       := $(TARGET_RECOVERY_ROOT_OUT)
+include $(BUILD_PREBUILT)

universal7885-common/recovery/init.recovery.exynos7884B.rc

@@ -0,0 +1,11 @@
+on init
+    setprop sys.usb.configfs 1
+
+on fs
+    wait /dev/block/platform/13500000.dwmmc0
+    symlink /dev/block/platform/13500000.dwmmc0 /dev/block/bootdevice
+
+    symlink /dev/block/bootdevice/by-name/BOOT /dev/block/bootdevice/by-name/boot
+    symlink /dev/block/bootdevice/by-name/SYSTEM /dev/block/bootdevice/by-name/system
+    symlink /dev/block/bootdevice/by-name/VENDOR /dev/block/bootdevice/by-name/vendor
+    symlink /dev/block/bootdevice/by-name/CACHE /dev/block/bootdevice/by-name/cache

universal7885-common/recovery/recovery_updater.cpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2021, The LineageOS 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.
+ */
+
+#include <android-base/properties.h>
+
+#include "edify/expr.h"
+#include "otautil/error_code.h"
+
+Value *VerifyBootloader(const char *name, State *state,
+                        const std::vector<std::unique_ptr<Expr>> &argv) {
+  int ret = 0;
+  std::string bootloader = android::base::GetProperty("ro.boot.bootloader", "");
+  if (bootloader.empty()) {
+    return ErrorAbort(state, kFileGetPropFailure,
+                      "%s() failed to read current bootloader version", name);
+  }
+
+  std::string min_supported_bootloader_arg;
+  if (argv.empty() || !Evaluate(state, argv[0], &min_supported_bootloader_arg)) {
+    return ErrorAbort(state, kArgsParsingFailure,
+                      "%s() error parsing arguments", name);
+  }
+  int min_supported_bootloader = int(min_supported_bootloader_arg[0]);
+
+  int version = 0;
+  if (bootloader.length() >= 4)
+    version = int(bootloader[bootloader.length() - 4]);
+
+  if (version >= min_supported_bootloader) {
+    ret = 1;
+  }
+
+  return StringValue(std::to_string(ret));
+}
+
+void Register_librecovery_updater_universal7884B() {
+  RegisterFunction("universal7884B.verify_bootloader_min", VerifyBootloader);
+}