add initialization debug code

components/dfs/filesystems/elmfat/option/ccfile.c

@@ -13,7 +13,7 @@
 #ifdef RT_DFS_ELM_USE_LFN
 static int gbk2uni_fd = -1;
 static int uni2gbk_fd = -1;
-void ff_convert_init()
+int ff_convert_init()
 {
     gbk2uni_fd = open(GBK2UNI_FILE, O_RDONLY, 0);
     if (gbk2uni_fd < 0)
@@ -22,6 +22,7 @@ void ff_convert_init()
     uni2gbk_fd = open(UNI2GBK_FILE, O_RDONLY, 0);
     if (uni2gbk_fd < 0)
         rt_kprintf("Unable to open Unicode to GBK look up table.\r\n");
+	return 0;
 }
 INIT_APP_EXPORT(ff_convert_init);
 

components/dfs/src/dfs_fs.c

@@ -500,12 +500,12 @@ int dfs_statfs(const char *path, struct statfs *buffer)
 #ifdef RT_USING_DFS_MNTTABLE
 int dfs_mount_table(void)
 {
-	int index;
+	int index = 0;
 
 	while (1)
 	{
 		if (mount_table[index].path == RT_NULL) break;
-		
+
 		if (dfs_mount(mount_table[index].device_name,
 				mount_table[index].path,
 				mount_table[index].filesystemtype,

components/drivers/i2c/i2c_core.c

@@ -134,8 +134,8 @@ rt_size_t rt_i2c_master_recv(struct rt_i2c_bus_device *bus,
     return (ret > 0) ? count : ret;
 }
 
-rt_err_t rt_i2c_core_init(void)
+int rt_i2c_core_init(void)
 {
     return rt_mutex_init(&i2c_core_lock, "i2c_core_lock", RT_IPC_FLAG_FIFO);
 }
-
+INIT_COMPONENT_EXPORT(rt_i2c_core_init);

components/drivers/include/drivers/i2c.h

@@ -96,7 +96,7 @@ rt_size_t rt_i2c_master_recv(struct rt_i2c_bus_device *bus,
                              rt_uint16_t               flags,
                              rt_uint8_t               *buf,
                              rt_uint32_t               count);
-rt_err_t rt_i2c_core_init(void);
+int rt_i2c_core_init(void);
 
 #ifdef __cplusplus
 }

components/drivers/usb/usbhost/core/usbhost.c

@@ -34,7 +34,7 @@
  * 
  * @return none.
  */
-void rt_usb_host_init(void)
+int rt_usb_host_init(void)
 {
     ucd_t drv;
 #ifdef RT_USB_CLASS_HID
@@ -80,5 +80,8 @@ void rt_usb_host_init(void)
     /* register hub class driver */
     drv = rt_usb_class_driver_hub();
     rt_usb_class_driver_register(drv);
+
+	return 0;
 }
 INIT_COMPONENT_EXPORT(rt_usb_host_init);
+

components/init/components.c

@@ -52,6 +52,16 @@ INIT_EXPORT(rti_end,"7");
 void rt_components_board_init(void)
 {
 #ifndef _MSC_VER
+#if RT_DEBUG_INIT
+	int result;
+	const struct rt_init_desc *desc;
+	for (desc = &__rt_init_desc_rti_start; desc < &__rt_init_desc_rti_board_end; desc ++)
+	{
+		rt_kprintf("initialize %s", desc->fn_name);
+		result = desc->fn();
+		rt_kprintf(":%d done\n", result);
+	}
+#else
     const init_fn_t *fn_ptr;
 
     for (fn_ptr = &__rt_init_rti_start; fn_ptr < &__rt_init_rti_board_end; fn_ptr++)
@@ -59,6 +69,7 @@ void rt_components_board_init(void)
         (*fn_ptr)();
     }
 #endif
+#endif
 }
 
 /**
@@ -67,12 +78,25 @@ void rt_components_board_init(void)
 void rt_components_init(void)
 {
 #ifndef _MSC_VER
+#if RT_DEBUG_INIT
+	int result;
+	const struct rt_init_desc *desc;
+
+	rt_kprintf("do components intialization.\n");
+	for (desc = &__rt_init_desc_rti_board_end; desc < &__rt_init_desc_rti_end; desc ++)
+	{
+		rt_kprintf("initialize %s", desc->fn_name);
+		result = desc->fn();
+		rt_kprintf(":%d done\n", result);
+	}
+#else
     const init_fn_t *fn_ptr;
 
     for (fn_ptr = &__rt_init_rti_board_end; fn_ptr < &__rt_init_rti_end; fn_ptr ++)
     {
         (*fn_ptr)();
     }
+#endif
 #else
 #ifdef RT_USING_MODULE
     rt_system_module_init();

include/rtdebug.h

@@ -63,6 +63,10 @@
 #define RT_DEBUG_IPC                   0
 #endif
 
+#ifndef RT_DEBUG_INIT
+#define RT_DEBUG_INIT					0
+#endif
+
 /* Turn on this to enable context check */
 #ifndef RT_DEBUG_CONTEXT_CHECK
 #define RT_DEBUG_CONTEXT_CHECK         1

include/rtdef.h

@@ -181,8 +181,20 @@ typedef int (*init_fn_t)(void);
 #ifdef _MSC_VER /* we do not support MS VC++ compiler */
     #define INIT_EXPORT(fn, level)
 #else
-    #define INIT_EXPORT(fn, level)  \
-        const init_fn_t __rt_init_##fn SECTION(".rti_fn."level) = fn
+	#if RT_DEBUG_INIT
+		struct rt_init_desc
+		{
+			const char* fn_name;
+			const init_fn_t fn;
+		};
+		#define INIT_EXPORT(fn, level)  		\
+			const char __rti_##fn##_name[] = #fn; \
+			const struct rt_init_desc __rt_init_desc_##fn SECTION(".rti_fn."level) = \
+			{ __rti_##fn##_name, fn};
+	#else
+    	#define INIT_EXPORT(fn, level)  \
+        	const init_fn_t __rt_init_##fn SECTION(".rti_fn."level) = fn
+	#endif
 #endif
 #else
 #define INIT_EXPORT(fn, level)