diff --git a/bsp/stm32/stm32f469-st-disco/.config b/bsp/stm32/stm32f469-st-disco/.config
index e29ef04a165997bd54505f07717f2f383bb05a8b..135645a1bc870ab40d6577a546a4aaab9d54b67c 100644
--- a/bsp/stm32/stm32f469-st-disco/.config
+++ b/bsp/stm32/stm32f469-st-disco/.config
@@ -121,38 +121,7 @@ CONFIG_FINSH_ARG_MAX=10
 #
 # Device virtual file system
 #
-CONFIG_RT_USING_DFS=y
-CONFIG_DFS_USING_WORKDIR=y
-CONFIG_DFS_FILESYSTEMS_MAX=2
-CONFIG_DFS_FILESYSTEM_TYPES_MAX=2
-CONFIG_DFS_FD_MAX=16
-# CONFIG_RT_USING_DFS_MNTTABLE is not set
-CONFIG_RT_USING_DFS_ELMFAT=y
-
-#
-# elm-chan's FatFs, Generic FAT Filesystem Module
-#
-CONFIG_RT_DFS_ELM_CODE_PAGE=437
-CONFIG_RT_DFS_ELM_WORD_ACCESS=y
-# CONFIG_RT_DFS_ELM_USE_LFN_0 is not set
-# CONFIG_RT_DFS_ELM_USE_LFN_1 is not set
-# CONFIG_RT_DFS_ELM_USE_LFN_2 is not set
-CONFIG_RT_DFS_ELM_USE_LFN_3=y
-CONFIG_RT_DFS_ELM_USE_LFN=3
-CONFIG_RT_DFS_ELM_LFN_UNICODE_0=y
-# CONFIG_RT_DFS_ELM_LFN_UNICODE_1 is not set
-# CONFIG_RT_DFS_ELM_LFN_UNICODE_2 is not set
-# CONFIG_RT_DFS_ELM_LFN_UNICODE_3 is not set
-CONFIG_RT_DFS_ELM_LFN_UNICODE=0
-CONFIG_RT_DFS_ELM_MAX_LFN=255
-CONFIG_RT_DFS_ELM_DRIVES=2
-CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=512
-# CONFIG_RT_DFS_ELM_USE_ERASE is not set
-CONFIG_RT_DFS_ELM_REENTRANT=y
-CONFIG_RT_DFS_ELM_MUTEX_TIMEOUT=3000
-CONFIG_RT_USING_DFS_DEVFS=y
-# CONFIG_RT_USING_DFS_ROMFS is not set
-# CONFIG_RT_USING_DFS_RAMFS is not set
+# CONFIG_RT_USING_DFS is not set
 
 #
 # Device Drivers
@@ -174,17 +143,11 @@ CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_ADC is not set
 # CONFIG_RT_USING_DAC is not set
 # CONFIG_RT_USING_PWM is not set
-CONFIG_RT_USING_MTD_NOR=y
+# CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
 # CONFIG_RT_USING_PM is not set
 # CONFIG_RT_USING_RTC is not set
-CONFIG_RT_USING_SDIO=y
-CONFIG_RT_SDIO_STACK_SIZE=512
-CONFIG_RT_SDIO_THREAD_PRIORITY=15
-CONFIG_RT_MMCSD_STACK_SIZE=1024
-CONFIG_RT_MMCSD_THREAD_PREORITY=22
-CONFIG_RT_MMCSD_MAX_PARTITION=16
-# CONFIG_RT_SDIO_DEBUG is not set
+# CONFIG_RT_USING_SDIO is not set
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
 # CONFIG_RT_USING_AUDIO is not set
diff --git a/bsp/stm32/stm32f469-st-disco/project.ewp b/bsp/stm32/stm32f469-st-disco/project.ewp
index 1a249d69157ca12c62e21d0b08c13d0e42931a6c..3e484e8c680a80570a139e03e50a293af252293c 100644
--- a/bsp/stm32/stm32f469-st-disco/project.ewp
+++ b/bsp/stm32/stm32f469-st-disco/project.ewp
@@ -215,9 +215,8 @@
         <option>
           <name>CCDefines</name>
           <state />
-          <state>RT_USING_DLIBC</state>
-          <state>_DLIB_FILE_DESCRIPTOR</state>
           <state>STM32F469xx</state>
+          <state>__RTTHREAD__</state>
           <state>USE_HAL_DRIVER</state>
         </option>
         <option>
@@ -344,21 +343,19 @@
         <option>
           <name>CCIncludePath2</name>
           <state />
-          <state>$PROJ_DIR$\..\..\..\components\dfs\filesystems\devfs</state>
+          <state>$PROJ_DIR$\..\..\..\components\libc\compilers\common\nogcc</state>
           <state>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\CMSIS\Include</state>
           <state>$PROJ_DIR$\..\..\..\components\finsh</state>
           <state>$PROJ_DIR$\..\..\..\libcpu\arm\common</state>
           <state>$PROJ_DIR$\..\..\..\libcpu\arm\cortex-m4</state>
-          <state>$PROJ_DIR$\..\..\..\components\dfs\include</state>
           <state>$PROJ_DIR$\board\ports</state>
           <state>$PROJ_DIR$\..\..\..\components\drivers\include</state>
-          <state>$PROJ_DIR$\..\..\..\components\libc\compilers\common</state>
+          <state>$PROJ_DIR$\..\..\..\examples\utest\testcases\kernel</state>
           <state>$PROJ_DIR$\.</state>
           <state>$PROJ_DIR$\applications</state>
           <state>$PROJ_DIR$\..\libraries\HAL_Drivers\config</state>
-          <state>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib</state>
           <state>$PROJ_DIR$\board</state>
-          <state>$PROJ_DIR$\..\..\..\components\dfs\filesystems\elmfat</state>
+          <state>$PROJ_DIR$\..\..\..\components\libc\compilers\common</state>
           <state>$PROJ_DIR$\board\CubeMX_Config\Inc</state>
           <state>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Include</state>
           <state>$PROJ_DIR$\..\..\..\include</state>
@@ -1252,9 +1249,8 @@
         </option>
         <option>
           <name>CCDefines</name>
-          <state>RT_USING_DLIBC</state>
-          <state>_DLIB_FILE_DESCRIPTOR</state>
           <state>STM32F469xx</state>
+          <state>__RTTHREAD__</state>
           <state>USE_HAL_DRIVER</state>
         </option>
         <option>
@@ -1381,21 +1377,19 @@
         <option>
           <name>CCIncludePath2</name>
           <state />
-          <state>$PROJ_DIR$\..\..\..\components\dfs\filesystems\devfs</state>
+          <state>$PROJ_DIR$\..\..\..\components\libc\compilers\common\nogcc</state>
           <state>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\CMSIS\Include</state>
           <state>$PROJ_DIR$\..\..\..\components\finsh</state>
           <state>$PROJ_DIR$\..\..\..\libcpu\arm\common</state>
           <state>$PROJ_DIR$\..\..\..\libcpu\arm\cortex-m4</state>
-          <state>$PROJ_DIR$\..\..\..\components\dfs\include</state>
           <state>$PROJ_DIR$\board\ports</state>
           <state>$PROJ_DIR$\..\..\..\components\drivers\include</state>
-          <state>$PROJ_DIR$\..\..\..\components\libc\compilers\common</state>
+          <state>$PROJ_DIR$\..\..\..\examples\utest\testcases\kernel</state>
           <state>$PROJ_DIR$\.</state>
           <state>$PROJ_DIR$\applications</state>
           <state>$PROJ_DIR$\..\libraries\HAL_Drivers\config</state>
-          <state>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib</state>
           <state>$PROJ_DIR$\board</state>
-          <state>$PROJ_DIR$\..\..\..\components\dfs\filesystems\elmfat</state>
+          <state>$PROJ_DIR$\..\..\..\components\libc\compilers\common</state>
           <state>$PROJ_DIR$\board\CubeMX_Config\Inc</state>
           <state>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Include</state>
           <state>$PROJ_DIR$\..\..\..\include</state>
@@ -2078,22 +2072,22 @@
   <group>
     <name>Applications</name>
     <file>
-      <name>$PROJ_DIR$\applications\main.c</name>
+      <name>$PROJ_DIR$\applications\lcd_init.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\applications\lcd_init.c</name>
+      <name>$PROJ_DIR$\applications\main.c</name>
     </file>
   </group>
   <group>
-    <name>cpu</name>
+    <name>CPU</name>
     <file>
       <name>$PROJ_DIR$\..\..\..\libcpu\arm\common\backtrace.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\libcpu\arm\common\div0.c</name>
+      <name>$PROJ_DIR$\..\..\..\libcpu\arm\common\showmem.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\libcpu\arm\common\showmem.c</name>
+      <name>$PROJ_DIR$\..\..\..\libcpu\arm\common\div0.c</name>
     </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\libcpu\arm\cortex-m4\cpuport.c</name>
@@ -2108,91 +2102,37 @@
       <name>$PROJ_DIR$\..\..\..\components\drivers\misc\pin.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\mtd\mtd_nor.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\sdio\block_dev.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\sdio\mmcsd_core.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\sdio\sd.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\sdio\sdio.c</name>
+      <name>$PROJ_DIR$\..\..\..\components\drivers\serial\serial.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\sdio\mmc.c</name>
+      <name>$PROJ_DIR$\..\..\..\components\drivers\src\dataqueue.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\serial\serial.c</name>
+      <name>$PROJ_DIR$\..\..\..\components\drivers\src\ringblk_buf.c</name>
     </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\components\drivers\src\completion.c</name>
     </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\src\dataqueue.c</name>
-    </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\components\drivers\src\pipe.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\src\ringblk_buf.c</name>
+      <name>$PROJ_DIR$\..\..\..\components\drivers\src\waitqueue.c</name>
     </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\components\drivers\src\ringbuffer.c</name>
     </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\drivers\src\waitqueue.c</name>
-    </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\components\drivers\src\workqueue.c</name>
     </file>
   </group>
-  <group>
-    <name>dlib</name>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\environ.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\libc.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\rmtx.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\stdio.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\syscall_close.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\syscall_lseek.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\syscall_mem.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\syscall_open.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\syscall_read.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\syscall_remove.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\dlib\syscall_write.c</name>
-    </file>
-  </group>
   <group>
     <name>Drivers</name>
     <file>
-      <name>$PROJ_DIR$\board\board.c</name>
+      <name>$PROJ_DIR$\board\CubeMX_Config\Src\stm32f4xx_hal_msp.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\board\CubeMX_Config\Src\stm32f4xx_hal_msp.c</name>
+      <name>$PROJ_DIR$\board\board.c</name>
     </file>
     <file>
       <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Source\Templates\iar\startup_stm32f469xx.s</name>
@@ -2208,126 +2148,57 @@
     </file>
   </group>
   <group>
-    <name>Filesystem</name>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\src\dfs.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\src\dfs_file.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\src\dfs_fs.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\src\dfs_posix.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\src\poll.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\src\select.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\filesystems\devfs\devfs.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\filesystems\elmfat\dfs_elm.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\filesystems\elmfat\ff.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\dfs\filesystems\elmfat\option\ccsbcs.c</name>
-    </file>
-  </group>
-  <group>
-    <name>finsh</name>
+    <name>Finsh</name>
     <file>
       <name>$PROJ_DIR$\..\..\..\components\finsh\shell.c</name>
     </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\cmd.c</name>
-    </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\components\finsh\msh.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\msh_file.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_compiler.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_error.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_heap.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_init.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_node.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_ops.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_parser.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_var.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_vm.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\finsh\finsh_token.c</name>
+      <name>$PROJ_DIR$\..\..\..\components\finsh\cmd.c</name>
     </file>
   </group>
   <group>
     <name>Kernel</name>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\clock.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\src\components.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\irq.c</name>
     </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\src\device.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\idle.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\memheap.c</name>
     </file>
     <file>
       <name>$PROJ_DIR$\..\..\..\src\ipc.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\irq.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\clock.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\kservice.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\idle.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\memheap.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\object.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\mempool.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\timer.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\object.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\thread.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\scheduler.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\mempool.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\signal.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\kservice.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\thread.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\scheduler.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\..\..\src\timer.c</name>
+      <name>$PROJ_DIR$\..\..\..\src\components.c</name>
     </file>
   </group>
   <group>
@@ -2335,71 +2206,62 @@
     <file>
       <name>$PROJ_DIR$\..\..\..\components\libc\compilers\common\time.c</name>
     </file>
-    <file>
-      <name>$PROJ_DIR$\..\..\..\components\libc\compilers\common\unistd.c</name>
-    </file>
   </group>
   <group>
-    <name>STM32_HAL</name>
-    <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Source\Templates\system_stm32f4xx.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal.c</name>
-    </file>
-    <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cec.c</name>
-    </file>
+    <name>Libraries</name>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cortex.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_uart.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_crc.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cryp_ex.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cryp.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr_ex.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cryp_ex.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rng.c</name>
     </file>
     <file>
       <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma_ex.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc_ex.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr_ex.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_usart.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cec.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc_ex.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rng.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_dma_ex.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_gpio.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_pwr.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_uart.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Source\Templates\system_stm32f4xx.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_usart.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_crc.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_ll_sdmmc.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cortex.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_sd.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cryp.c</name>
     </file>
     <file>
-      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_nor.c</name>
+      <name>$PROJ_DIR$\..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_gpio.c</name>
     </file>
   </group>
+  <group>
+    <name>utestcases</name>
+  </group>
 </project>
diff --git a/bsp/stm32/stm32f469-st-disco/project.uvprojx b/bsp/stm32/stm32f469-st-disco/project.uvprojx
index b3619ee51599bf48b14140cd72216c945c85948a..19895be4be9e780f382e9f191a58ce1e6cc2e59a 100644
--- a/bsp/stm32/stm32f469-st-disco/project.uvprojx
+++ b/bsp/stm32/stm32f469-st-disco/project.uvprojx
@@ -335,7 +335,7 @@
               <MiscControls />
               <Define>USE_HAL_DRIVER, STM32F469xx, __RTTHREAD__, __CLK_TCK=RT_TICK_PER_SECOND</Define>
               <Undefine />
-              <IncludePath>applications;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m4;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\components\dfs\include;..\..\..\components\dfs\filesystems\devfs;..\..\..\components\dfs\filesystems\elmfat;..\..\..\components\finsh;.;..\..\..\include;..\..\..\components\libc\compilers\common;..\..\..\components\libc\compilers\common\nogcc;..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Inc;..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Include;..\libraries\STM32F4xx_HAL\CMSIS\Include;..\..\..\examples\utest\testcases\kernel</IncludePath>
+              <IncludePath>applications;..\..\..\libcpu\arm\common;..\..\..\libcpu\arm\cortex-m4;..\..\..\components\drivers\include;..\..\..\components\drivers\include;..\..\..\components\drivers\include;board;board\CubeMX_Config\Inc;board\ports;..\libraries\HAL_Drivers;..\libraries\HAL_Drivers\config;..\..\..\components\finsh;.;..\..\..\include;..\..\..\components\libc\compilers\common;..\..\..\components\libc\compilers\common\nogcc;..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Inc;..\libraries\STM32F4xx_HAL\CMSIS\Device\ST\STM32F4xx\Include;..\libraries\STM32F4xx_HAL\CMSIS\Include;..\..\..\examples\utest\testcases\kernel</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -404,16 +404,16 @@
           </Files>
           <Files>
             <File>
-              <FileName>div0.c</FileName>
+              <FileName>showmem.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\libcpu\arm\common\div0.c</FilePath>
+              <FilePath>..\..\..\libcpu\arm\common\showmem.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>showmem.c</FileName>
+              <FileName>div0.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\libcpu\arm\common\showmem.c</FilePath>
+              <FilePath>..\..\..\libcpu\arm\common\div0.c</FilePath>
             </File>
           </Files>
           <Files>
@@ -442,65 +442,37 @@
           </Files>
           <Files>
             <File>
-              <FileName>mtd_nor.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\mtd\mtd_nor.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>mmc.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\sdio\mmc.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>sd.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\sdio\sd.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>block_dev.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\sdio\block_dev.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>sdio.c</FileName>
+              <FileName>serial.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\sdio\sdio.c</FilePath>
+              <FilePath>..\..\..\components\drivers\serial\serial.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>mmcsd_core.c</FileName>
+              <FileName>waitqueue.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\sdio\mmcsd_core.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\waitqueue.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>serial.c</FileName>
+              <FileName>pipe.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\serial\serial.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\pipe.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>pipe.c</FileName>
+              <FileName>workqueue.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\pipe.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\workqueue.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>workqueue.c</FileName>
+              <FileName>ringblk_buf.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\workqueue.c</FilePath>
+              <FilePath>..\..\..\components\drivers\src\ringblk_buf.c</FilePath>
             </File>
           </Files>
           <Files>
@@ -524,20 +496,6 @@
               <FilePath>..\..\..\components\drivers\src\dataqueue.c</FilePath>
             </File>
           </Files>
-          <Files>
-            <File>
-              <FileName>ringblk_buf.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\ringblk_buf.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>waitqueue.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\drivers\src\waitqueue.c</FilePath>
-            </File>
-          </Files>
         </Group>
         <Group>
           <GroupName>Drivers</GroupName>
@@ -584,58 +542,6 @@
             </File>
           </Files>
         </Group>
-        <Group>
-          <GroupName>Filesystem</GroupName>
-          <Files>
-            <File>
-              <FileName>dfs_fs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\src\dfs_fs.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>dfs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\src\dfs.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>dfs_file.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\src\dfs_file.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>devfs.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\filesystems\devfs\devfs.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>ff.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\filesystems\elmfat\ff.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>dfs_elm.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\filesystems\elmfat\dfs_elm.c</FilePath>
-            </File>
-          </Files>
-          <Files>
-            <File>
-              <FileName>ffunicode.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\..\..\components\dfs\filesystems\elmfat\ffunicode.c</FilePath>
-            </File>
-          </Files>
-        </Group>
         <Group>
           <GroupName>Finsh</GroupName>
           <Files>
@@ -664,93 +570,93 @@
           <GroupName>Kernel</GroupName>
           <Files>
             <File>
-              <FileName>timer.c</FileName>
+              <FileName>object.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\timer.c</FilePath>
+              <FilePath>..\..\..\src\object.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>mempool.c</FileName>
+              <FileName>kservice.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\mempool.c</FilePath>
+              <FilePath>..\..\..\src\kservice.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>components.c</FileName>
+              <FileName>clock.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\components.c</FilePath>
+              <FilePath>..\..\..\src\clock.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>scheduler.c</FileName>
+              <FileName>memheap.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\scheduler.c</FilePath>
+              <FilePath>..\..\..\src\memheap.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>irq.c</FileName>
+              <FileName>mempool.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\irq.c</FilePath>
+              <FilePath>..\..\..\src\mempool.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>memheap.c</FileName>
+              <FileName>timer.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\memheap.c</FilePath>
+              <FilePath>..\..\..\src\timer.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>thread.c</FileName>
+              <FileName>scheduler.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\thread.c</FilePath>
+              <FilePath>..\..\..\src\scheduler.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>idle.c</FileName>
+              <FileName>thread.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\idle.c</FilePath>
+              <FilePath>..\..\..\src\thread.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>device.c</FileName>
+              <FileName>components.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\device.c</FilePath>
+              <FilePath>..\..\..\src\components.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>clock.c</FileName>
+              <FileName>device.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\clock.c</FilePath>
+              <FilePath>..\..\..\src\device.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>object.c</FileName>
+              <FileName>ipc.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\object.c</FilePath>
+              <FilePath>..\..\..\src\ipc.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>kservice.c</FileName>
+              <FileName>irq.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\kservice.c</FilePath>
+              <FilePath>..\..\..\src\irq.c</FilePath>
             </File>
           </Files>
           <Files>
             <File>
-              <FileName>ipc.c</FileName>
+              <FileName>idle.c</FileName>
               <FileType>1</FileType>
-              <FilePath>..\..\..\src\ipc.c</FilePath>
+              <FilePath>..\..\..\src\idle.c</FilePath>
             </File>
           </Files>
         </Group>
@@ -808,13 +714,6 @@
               <FilePath>..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal.c</FilePath>
             </File>
           </Files>
-          <Files>
-            <File>
-              <FileName>stm32f4xx_hal_sd.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_sd.c</FilePath>
-            </File>
-          </Files>
           <Files>
             <File>
               <FileName>stm32f4xx_hal_rcc_ex.c</FileName>
@@ -843,13 +742,6 @@
               <FilePath>..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_rcc.c</FilePath>
             </File>
           </Files>
-          <Files>
-            <File>
-              <FileName>stm32f4xx_ll_sdmmc.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_ll_sdmmc.c</FilePath>
-            </File>
-          </Files>
           <Files>
             <File>
               <FileName>stm32f4xx_hal_dma_ex.c</FileName>
@@ -885,13 +777,6 @@
               <FilePath>..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_cortex.c</FilePath>
             </File>
           </Files>
-          <Files>
-            <File>
-              <FileName>stm32f4xx_hal_nor.c</FileName>
-              <FileType>1</FileType>
-              <FilePath>..\libraries\STM32F4xx_HAL\STM32F4xx_HAL_Driver\Src\stm32f4xx_hal_nor.c</FilePath>
-            </File>
-          </Files>
           <Files>
             <File>
               <FileName>stm32f4xx_hal_cryp.c</FileName>
diff --git a/bsp/stm32/stm32f469-st-disco/rtconfig.h b/bsp/stm32/stm32f469-st-disco/rtconfig.h
index 82fa61a18fefcb92a383358a031c14bd4df5f697..a008d32aec7f91834e47fa5451146d8303ba1b4a 100644
--- a/bsp/stm32/stm32f469-st-disco/rtconfig.h
+++ b/bsp/stm32/stm32f469-st-disco/rtconfig.h
@@ -81,27 +81,6 @@
 
 /* Device virtual file system */
 
-#define RT_USING_DFS
-#define DFS_USING_WORKDIR
-#define DFS_FILESYSTEMS_MAX 2
-#define DFS_FILESYSTEM_TYPES_MAX 2
-#define DFS_FD_MAX 16
-#define RT_USING_DFS_ELMFAT
-
-/* elm-chan's FatFs, Generic FAT Filesystem Module */
-
-#define RT_DFS_ELM_CODE_PAGE 437
-#define RT_DFS_ELM_WORD_ACCESS
-#define RT_DFS_ELM_USE_LFN_3
-#define RT_DFS_ELM_USE_LFN 3
-#define RT_DFS_ELM_LFN_UNICODE_0
-#define RT_DFS_ELM_LFN_UNICODE 0
-#define RT_DFS_ELM_MAX_LFN 255
-#define RT_DFS_ELM_DRIVES 2
-#define RT_DFS_ELM_MAX_SECTOR_SIZE 512
-#define RT_DFS_ELM_REENTRANT
-#define RT_DFS_ELM_MUTEX_TIMEOUT 3000
-#define RT_USING_DFS_DEVFS
 
 /* Device Drivers */
 
@@ -112,13 +91,6 @@
 #define RT_SERIAL_USING_DMA
 #define RT_SERIAL_RB_BUFSZ 64
 #define RT_USING_PIN
-#define RT_USING_MTD_NOR
-#define RT_USING_SDIO
-#define RT_SDIO_STACK_SIZE 512
-#define RT_SDIO_THREAD_PRIORITY 15
-#define RT_MMCSD_STACK_SIZE 1024
-#define RT_MMCSD_THREAD_PREORITY 22
-#define RT_MMCSD_MAX_PARTITION 16
 
 /* Using USB */