diff --git a/bsp/stm3210/rtconfig.h b/bsp/stm3210/rtconfig.h
index a4df21072992bfb9c94b199773002c79625de5c3..da192b3f0c1af4aa9b35642208688d7af70f1be2 100644
--- a/bsp/stm3210/rtconfig.h
+++ b/bsp/stm3210/rtconfig.h
@@ -74,6 +74,9 @@
 /* the max number of cached sector 		*/
 #define DFS_CACHE_MAX_NUM   		4
 
+/* use minilibc for gcc */
+// #define RT_USING_MINILIBC
+
 /* SECTION: lwip, a lighwight TCP/IP protocol stack */
 #define RT_USING_LWIP
 
diff --git a/bsp/stm3210/stm32_rom.ld b/bsp/stm3210/stm32_rom.ld
index ea4e23e4279f54b08e8d765ca64ae1142d5bd2ea..f508ac8ba7f8ab533094776416e01b7cef151d8c 100644
--- a/bsp/stm3210/stm32_rom.ld
+++ b/bsp/stm3210/stm32_rom.ld
@@ -25,30 +25,23 @@ SECTIONS
 	*(.glue_7)
 	*(.glue_7t)
 
-	. = ALIGN(4);
-	_etext = .;
-
-	/* This is used by the startup in order to initialize the .data secion */
-	_sidata = _etext;
-	} > CODE = 0
-
-    .FSymTab :
-	{
+	/* section information for finsh shell */
 	. = ALIGN(4);
 	__fsymtab_start = .;
-	*(.FSymTab)
+	KEEP(*(FSymTab))
 	__fsymtab_end = .;
 	. = ALIGN(4);
-	} > CODE
-
-    .VSymTab :
-	{
-	. = ALIGN(4);
 	__vsymtab_start = .;
-	*(.VSymTab)
+	KEEP(*(VSymTab))
 	__vsymtab_end = .;
 	. = ALIGN(4);
-	} > CODE
+
+	. = ALIGN(4);
+	_etext = .;
+
+	/* This is used by the startup in order to initialize the .data secion */
+	_sidata = _etext;
+	} > CODE = 0
 
 	/* .data section which is used for initialized data */
 
@@ -80,6 +73,8 @@ SECTIONS
 	/* This is used by the startup in order to initialize the .bss secion */
 	_ebss = . ;
 	_estack = .;
+	
+	*(.bss.init)
 	} > DATA
 	__bss_end = .;