Merge pull request #24 from xqyjlj/update

更新工具链等软件包，更新prebuilt内核二进制（EXT4系统）

Author: BernardXiong

.gitignore

@@ -2,3 +2,4 @@ build/
 .xmake/
 rootfs/
 .vscode/
+private/

apps/cpp/main.cpp

@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2006-2018, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: GPL-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-10-20     Bernard      The first version
+ */
+
+#include <iostream>
+using namespace std;
+
+int main()
+{
+    cout << "Hello, World!" << endl;
+    return 0;
+}

apps/cpp/xmake.lua

@@ -0,0 +1,30 @@
+-- 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.
+--
+-- Copyright (C) 2022-2023 RT-Thread Development Team
+--
+-- @author      zhouquan
+-- @file        xmake.lua
+--
+-- Change Logs:
+-- Date           Author       Notes
+-- ------------   ----------   -----------------------------------------------
+-- 2023-03-10     zhouquan     initial version
+--
+add_rules("mode.debug", "mode.release")
+
+target("cpp")
+do
+    add_rules("rt.cpp")
+    add_files("*.cpp")
+end
+target_end()

prebuilt/qemu-vexpress-a9/qemu-nographic.bat

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+# @author      zhouquan
+# @file        run.sh
+#
+# Change Logs:
+# Date           Author       Notes
+# ------------   ----------   -----------------------------------------------
+# 2023-01-12     zhouquan     initial version
+#
+
+script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+
+qemu-system-aarch64 \
+    -M virt,gic-version=2 \
+    -cpu cortex-a53 \
+    -m 128M \
+    -kernel ${script_dir}/rtthread.bin \
+    -nographic \
+    -drive if=none,file=${script_dir}/ext4.img,format=raw,id=blk0 \
+    -device virtio-blk-device,drive=blk0,bus=virtio-mmio-bus.0 \
+    -netdev user,id=net0,hostfwd=tcp::8080-:80 \
+    -device virtio-net-device,netdev=net0,bus=virtio-mmio-bus.1 \
+    -device virtio-serial-device \
+    -chardev socket,host=127.0.0.1,port=43211,server=on,wait=off,telnet=on,id=console0 \
+    -device virtserialport,chardev=console0