From 02f9cdc6fb1c28d2a5cc3cf8a4d554d488732843 Mon Sep 17 00:00:00 2001
From: Caisking <Casiking@zhihuishixun.com>
Date: Fri, 22 Aug 2025 10:35:33 +0800
Subject: [PATCH] mkyaffs2tool

---
 .../brandy/mk_fs_image/z1/mkyaffs2tool.py     | 105 ++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 code/sdk/build/config/target_config/brandy/mk_fs_image/z1/mkyaffs2tool.py

diff --git a/code/sdk/build/config/target_config/brandy/mk_fs_image/z1/mkyaffs2tool.py b/code/sdk/build/config/target_config/brandy/mk_fs_image/z1/mkyaffs2tool.py
new file mode 100644
index 000000000..fecffef45
--- /dev/null
+++ b/code/sdk/build/config/target_config/brandy/mk_fs_image/z1/mkyaffs2tool.py
@@ -0,0 +1,105 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+
+import os
+import sys
+import time
+import struct
+import shutil
+
+"""
+介绍：
+    本脚本主要实现调用mkyaffs2image工具生成文件镜像
+    请注意使用本脚本时支持的python版本，本脚本只支持python3版本。
+    请根据实际情况配置对应信息，主要是nandflash的信息，以及分区信息
+
+"""
+
+root_path = os.path.join(os.path.split(os.path.realpath(__file__))[0], '..', '..', '..', '..', '..', '..')
+cur_dir = os.path.dirname(os.path.abspath(__file__))
+image_tool_path = os.path.realpath(os.path.join(root_path, 'tools', 'bin', 'platform_tool', 'mkyaffs2image'))
+
+# 配置生成文件镜像工具路径
+mkyaffstool = os.path.join(image_tool_path, 'mkyaffs2image')
+image_name = "file"
+
+# 配置nandflash信息
+cfg_page_size = 2048
+cfg_obb_size = 64
+
+# 配置分区信息，请根据实际情况进行配置，添加格式为[分区路径， 分区大小]
+# 分区大小需要根据按照百分系统分配好后的blocks数进行计算，大小=blocks（文件块个数）*pages_per_block（每个文件块包含的页数）*bytes_per_page（每页包含字节数）
+# 前面按照比例分好分区，最后分区置成null，即代表剩下所有blocks
+# drivers/drivers/driver/nand_flash/nand/nandflash_config.c 
+# #ifndef MEMORY_MINI
+# #define YF_NAME_STRS "/system/", "/update/", "/music/", "/user/"
+# uint32_t yf_volume_percent[YF_VOLUMES_NUM] = { 1, 1, 1, 97 };
+#                                               0x140000
+#                                                10 10 10 70
+#                                               0xcc0000
+
+
+partition_list = [
+    [os.path.join(cur_dir, 'fs', 'system'), "0xcc0000"],
+    [os.path.join(cur_dir, 'fs', 'update'), "0xcc0000"],
+    [os.path.join(cur_dir, 'fs', 'music'), "0xcc0000"],
+    [os.path.join(cur_dir, 'fs', 'user'), "null"]
+]
+
+# 将生成image文件转换大小端，保存成另外文件
+def convert(src_file, dest_file):
+    fp_src = open(src_file, 'rb')
+    fp_dest = open(dest_file, 'wb')
+    src_size = os.path.getsize(src_file)
+    for i in range(int(src_size / 4)):
+        data = fp_src.read(4)
+        rw = struct.pack('BBBB', data[3], data[2], data[1], data[0])
+        fp_dest.write(rw)
+    fp_src.close()
+    fp_dest.close()
+
+def get_page_type(page_size):
+    if page_size == 2048:
+        return " 1"
+    elif page_size == 4096:
+        return " 2"
+    else:
+        return " 0"
+
+def get_obb_type(obb_size):
+    if obb_size == 64:
+        return " 2"
+    elif obb_size == 128:
+        return " 4"
+    else:
+        return " 0"
+
+if __name__ == "__main__":
+    image_file = os.path.join(cur_dir, "%s.bin" %image_name)
+    tmp_file = os.path.join(cur_dir, "%s_tmp.bin" %image_name)
+
+    if sys.platform == 'linux2' or sys.platform == 'linux':
+        partition_total = 0
+        page_type =  get_page_type(cfg_page_size)
+        obb_type = get_obb_type(cfg_obb_size)
+
+        if os.path.exists(tmp_file):
+            os.remove(tmp_file)
+        if os.path.exists(image_file):
+            os.remove(image_file)
+
+        for partition in partition_list:
+            if (partition[1] != "null"):
+                partition_total = partition_total + int(partition[1][2:], 16)
+                command = mkyaffstool + " " + partition[0] + " " + tmp_file + page_type + obb_type + (" 0x%x" %partition_total)
+            else:
+                command = mkyaffstool + " " + partition[0] + " " + tmp_file + page_type + obb_type
+            print(command)
+            os.system(command)
+        convert(tmp_file, image_file)
+
+    if (len(sys.argv) == 2 and os.path.exists(image_file)):
+        out_path = os.path.join(sys.argv[1], "%s.bin" %image_name)
+        shutil.copyfile(image_file, out_path)
+
+    print("make yaffs image file over!")
-- 
2.17.1