diff --git a/.gitignore b/.gitignore
index b532495df2aedb0b2e957d5d86b6844fa68f3c1b..4e6126542cb35536435970f6fbc63a80b6bcef4f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -35,3 +35,6 @@ ncscope.*
 #ctag files
 tags
 
+.idea
+CMakeLists.txt
+cmake-build-debug
diff --git a/tools/building.py b/tools/building.py
index 00a9f04107adcf5e4419dce95c4c51c763546e07..ae67adb415919a50d8e921c4ca43dcefa163d94c 100644
--- a/tools/building.py
+++ b/tools/building.py
@@ -208,7 +208,7 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
     AddOption('--target',
                       dest = 'target',
                       type = 'string',
-                      help = 'set target project: mdk/mdk4/mdk5/iar/vs/vsc/ua/cdk/ses/makefile/eclipse/codelite')
+                      help = 'set target project: mdk/mdk4/mdk5/iar/vs/vsc/ua/cdk/ses/makefile/eclipse/codelite/cmake')
     AddOption('--stackanalysis',
                 dest = 'stackanalysis',
                 action = 'store_true',
@@ -877,6 +877,10 @@ def GenTargetProject(program = None):
         from codelite import TargetCodelite
         TargetCodelite(Projects, program)
 
+    if GetOption('target') == 'cmake':
+        from cmake import CMakeProject
+        CMakeProject(Env,Projects)
+
 
 def EndBuilding(target, program = None):
     import rtconfig
diff --git a/tools/cmake.py b/tools/cmake.py
new file mode 100644
index 0000000000000000000000000000000000000000..09ebefdbbfe2be03b38789a583d8b2a41277245a
--- /dev/null
+++ b/tools/cmake.py
@@ -0,0 +1,73 @@
+"""
+Utils for CMake
+"""
+
+import os
+import re
+import utils
+import rtconfig
+
+
+def GenerateCFiles(env,project):
+    """
+    Generate CMakeLists.txt files
+    """
+
+    info = utils.ProjectInfo(env)
+
+    CC = os.path.join(rtconfig.EXEC_PATH, rtconfig.CC)
+    AS = os.path.join(rtconfig.EXEC_PATH, rtconfig.AS)
+    AR = os.path.join(rtconfig.EXEC_PATH, rtconfig.AR)
+    LINK = os.path.join(rtconfig.EXEC_PATH, rtconfig.LINK)
+    SIZE = os.path.join(rtconfig.EXEC_PATH, rtconfig.SIZE)
+    OBJDUMP = os.path.join(rtconfig.EXEC_PATH, rtconfig.OBJDUMP)
+    OBJCOPY = os.path.join(rtconfig.EXEC_PATH, rtconfig.OBJCPY)
+
+    cm_file = open('CMakeLists.txt', 'w')
+    if cm_file:
+        cm_file.write("CMAKE_MINIMUM_REQUIRED(VERSION 3.10)\n\n")
+
+        cm_file.write("PROJECT(rtthread C ASM)\n")
+        cm_file.write("SET(CMAKE_SYSTEM_NAME Generic)\n")
+        cm_file.write("#SET(CMAKE_VERBOSE_MAKEFILE ON)\n\n")
+
+        cm_file.write("SET(CMAKE_C_COMPILER \""+ CC + "\")\n")
+        cm_file.write("SET(CMAKE_ASM_COMPILER \""+ AS + "\")\n")
+        cm_file.write("SET(CMAKE_OBJCOPY \""+ OBJCOPY + "\")\n")
+        cm_file.write("SET(CMAKE_SIZE \""+ SIZE + "\")\n\n")
+
+
+        cm_file.write("SET(CMAKE_C_FLAGS \""+ rtconfig.CFLAGS + "\")\n")
+        cm_file.write("SET(CMAKE_ASM_FLAGS \""+ rtconfig.AFLAGS + "\")\n")
+        cm_file.write("SET(CMAKE_EXE_LINKER_FLAGS \""+ re.sub('-T(\s*)', '-T ${CMAKE_SOURCE_DIR}/',rtconfig.LFLAGS) + "\")\n\n")
+
+        cm_file.write("INCLUDE_DIRECTORIES(\n")
+        for i in info['CPPPATH']:
+                cm_file.write( "\t" +i + "\n")
+        cm_file.write(")\n\n")
+
+
+        cm_file.write("ADD_DEFINITIONS(\n")
+        for i in info['CPPDEFINES']:
+                cm_file.write("\t-D" + i + "\n")
+        cm_file.write(")\n\n")
+
+        cm_file.write("SET(PROJECT_SOURCES\n")
+        for group in project:
+            for f in group['src']:
+                cm_file.write( "\t"+os.path.normpath(f.rfile().abspath)+"\n" )
+        cm_file.write(")\n\n")
+
+        cm_file.write("ADD_EXECUTABLE(${CMAKE_PROJECT_NAME}.elf ${PROJECT_SOURCES})\n")
+        cm_file.write("ADD_CUSTOM_COMMAND(TARGET ${CMAKE_PROJECT_NAME}.elf POST_BUILD \nCOMMAND ${CMAKE_OBJCOPY} -O binary ${CMAKE_PROJECT_NAME}.elf ${CMAKE_PROJECT_NAME}.bin COMMAND ${CMAKE_SIZE} ${CMAKE_PROJECT_NAME}.elf)")
+
+        cm_file.close()
+
+    return
+
+def CMakeProject(env,project):
+    print('Update setting files for CMakeLists.txt...')
+    GenerateCFiles(env,project)
+    print('Done!')
+
+    return
\ No newline at end of file