Add component initialization.

bsp/lpc176x/drivers/emac.c

@@ -458,7 +458,7 @@ struct pbuf *lpc17xx_emac_rx(rt_device_t dev)
 	return p;
 }
 
-void lpc17xx_emac_hw_init(void)
+int lpc17xx_emac_hw_init(void)
 {
 	rt_event_init(&tx_event, "tx_event", RT_IPC_FLAG_FIFO);
 	rt_sem_init(&sem_lock, "eth_lock", 1, RT_IPC_FLAG_FIFO);
@@ -487,4 +487,6 @@ void lpc17xx_emac_hw_init(void)
 	lpc17xx_emac_device.parent.eth_tx			= lpc17xx_emac_tx;
 
 	eth_device_init(&(lpc17xx_emac_device.parent), "e0");
+	return 0;
 }
+INIT_DEVICE_EXPORT(lpc17xx_emac_hw_init);

bsp/lpc176x/drivers/emac.h

@@ -290,6 +290,6 @@
 #define DP83848C_DEF_ADR    0x0100      /* Default PHY device address        */
 #define DP83848C_ID         0x20005C90  /* PHY Identifier                    */
 
-void lpc17xx_emac_hw_init(void);
+int lpc17xx_emac_hw_init(void);
 
 #endif

components/dfs/filesystems/devfs/devfs.c

@@ -277,4 +277,5 @@ int devfs_init(void)
 
 	return 0;
 }
+INIT_FS_EXPORT(devfs_init);
 

components/dfs/filesystems/elmfat/dfs_elm.c

@@ -783,6 +783,7 @@ int elm_init(void)
 
     return 0;
 }
+INIT_FS_EXPORT(elm_init);
 
 /*
  * RT-Thread Device Interface for ELM FatFs

components/dfs/filesystems/jffs2/dfs_jffs2.c

@@ -726,3 +726,5 @@ int dfs_jffs2_init(void)
 	rt_kprintf("init jffs2 lock mutex okay\n");
 	return 0;
 }
+INIT_FS_EXPORT(dfs_jffs2_init);
+

components/dfs/filesystems/nfs/dfs_nfs.c

@@ -1106,3 +1106,4 @@ int nfs_init(void)
 
 	return RT_EOK;
 }
+INIT_FS_EXPORT(nfs_init);

components/dfs/filesystems/romfs/dfs_romfs.c

@@ -289,4 +289,5 @@ int dfs_romfs_init(void)
     dfs_register(&_romfs);
 	return 0;
 }
+INIT_FS_EXPORT(dfs_romfs_init);
 

components/dfs/filesystems/uffs/dfs_uffs.c

@@ -654,3 +654,4 @@ int dfs_uffs_init(void)
 	}
 	return -RT_ERROR;
 }
+INIT_FS_EXPORT(dfs_uffs_init);

components/dfs/src/dfs.c

@@ -16,7 +16,7 @@
 #include <dfs_fs.h>
 #include <dfs_file.h>
 
-#define NO_WORKING_DIR  "system does not support working dir\n"
+#define NO_WORKING_DIR  "system does not support working directory\n"
 
 /* Global variables */
 const struct dfs_filesystem_operation *filesystem_operation_table[DFS_FILESYSTEM_TYPES_MAX];
@@ -62,6 +62,7 @@ void dfs_init(void)
     working_directory[0] = '/';
 #endif
 }
+INIT_COMPONENT_EXPORT(dfs_init);
 
 /**
  * this function will lock device file system.

components/dfs/src/dfs_posix.c

@@ -757,7 +757,7 @@ char *getcwd(char *buf, size_t size)
     rt_strncpy(buf, working_directory, size);
     rt_exit_critical();
 #else
-    rt_kprintf("WARNING: not support working directory\n");
+    rt_kprintf(NO_WORKING_DIR);
 #endif
 
     return buf;

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

@@ -71,4 +71,4 @@ void rt_usb_host_init(void)
     drv = rt_usb_class_driver_hub();
     rt_usb_class_driver_register(drv);
 }
-
+INIT_COMPONENT_EXPORT(rt_usb_host_init);

components/finsh/shell.c

@@ -511,7 +511,7 @@ __declspec(allocate("FSymTab$z")) const struct finsh_syscall __fsym_end =
  *
  * This function will initialize finsh shell
  */
-void finsh_system_init(void)
+int finsh_system_init(void)
 {
 	rt_err_t result;
 
@@ -561,7 +561,7 @@ void finsh_system_init(void)
 	if (shell == RT_NULL)
 	{
 		rt_kprintf("no memory for shell\n");
-		return;
+		return -1;
 	}
 	
 	memset(shell, 0, sizeof(struct finsh_shell));
@@ -575,4 +575,7 @@ void finsh_system_init(void)
 
 	if (result == RT_EOK)
 		rt_thread_startup(&finsh_thread);
+	return 0;
 }
+INIT_COMPONENT_EXPORT(finsh_system_init);
+

components/finsh/shell.h

@@ -89,7 +89,7 @@ struct finsh_shell
 void finsh_set_echo(rt_uint32_t echo);
 rt_uint32_t finsh_get_echo(void);
 
-void finsh_system_init(void);
+int finsh_system_init(void);
 void finsh_set_device(const char* device_name);
 const char* finsh_get_device(void);
 

components/init/components.c

@@ -12,86 +12,71 @@
  * 2012-09-20     Bernard      Change the name to components.c
  *                             And all components related header files.
  * 2012-12-23     Bernard      fix the pthread initialization issue.
+ * 2013-06-23     Bernard      Add the init_call for components initialization.
  */
 
 #include "components.h"
 
-/**
- * RT-Thread Components Initialization
- */
-void rt_components_init(void)
+static int rti_start(void)
 {
-#ifdef RT_USING_MODULE
-    rt_system_module_init();
-#endif
-
-#ifdef RT_USING_FINSH
-    /* initialize finsh */
-    finsh_system_init();
-    finsh_set_device(RT_CONSOLE_DEVICE_NAME);
-#endif
-
-#ifdef RT_USING_LWIP
-    /* initialize lwip stack */
-    /* register ethernetif device */
-    eth_system_device_init();
-
-    /* initialize lwip system */
-    lwip_system_init();
-    rt_kprintf("TCP/IP initialized!\n");
-#endif
-
-#ifdef RT_USING_DFS
-    /* initialize the device file system */
-    dfs_init();
-
-    #ifdef RT_USING_DFS_ELMFAT
-    /* initialize the elm chan FatFS file system*/
-    elm_init();
-    #endif
-
-    #if defined(RT_USING_DFS_NFS) && defined(RT_USING_LWIP)
-    /* initialize NFSv3 client file system */
-    nfs_init();
-    #endif
-
-    #ifdef RT_USING_DFS_YAFFS2
-    dfs_yaffs2_init();
-    #endif
+	return 0;
+}
+INIT_EXPORT(rti_start, "0");
 
-    #ifdef RT_USING_DFS_UFFS
-    dfs_uffs_init();
-    #endif
+static int rti_board_end(void)
+{
+	return 0;
+}
+INIT_EXPORT(rti_board_end, "1.post");
 
-    #ifdef RT_USING_DFS_JFFS2
-    dfs_jffs2_init();
-    #endif
+static int rti_end(void)
+{
+	return 0;
+}
+INIT_EXPORT(rti_end,"7");
 
-    #ifdef RT_USING_DFS_ROMFS
-    dfs_romfs_init();
-    #endif
+#if defined(_MSC_VER) || (defined(__GNUC__) && defined(__x86_64__))
+/* fixed for MSC_VC and x86_64 in GNU GCC */
+#define NEXT_COMPONENT_FN(fn_ptr, end)  fn_ptr = _next_component_fn(fn_ptr, end)
 
-    #ifdef RT_USING_DFS_DEVFS
-    devfs_init();
-    #endif
-#endif /* end of RT_USING_DFS */
+const init_fn_t* _next_component_fn(const init_fn_t* fn, const init_fn_t* end)
+{
+	unsigned int *ptr;
+	ptr = (unsigned int*) (fn + 1);
+	while ((*ptr == 0) && ((unsigned int*)ptr < (unsigned int*)end))
+		ptr ++;
 
-#ifdef RT_USING_NEWLIB
-    libc_system_init(RT_CONSOLE_DEVICE_NAME);
+	return (const init_fn_t*)ptr;
+}
 #else
-    /* the pthread system initialization will be initiallized in libc */
-    #ifdef RT_USING_PTHREADS 
-    pthread_system_init();
-    #endif
+#define NEXT_COMPONENT_FN(fn_ptr, end)  fn_ptr++
 #endif
 
-#ifdef RT_USING_RTGUI
-    rtgui_system_server_init();
-#endif
+/**
+ * RT-Thread Components Initialization for board
+ */
+void rt_components_board_init(void)
+{
+	const init_fn_t* fn_ptr;
 
-#ifdef RT_USING_USB_HOST
-    rt_usb_host_init();
-#endif
+	for (fn_ptr = &__rt_init_rti_start; fn_ptr < &__rt_init_rti_board_end; )
+	{
+		(*fn_ptr)();
+		NEXT_COMPONENT_FN(fn_ptr, __rt_init_rti_board_end);
+	}
+}
+
+/**
+ * RT-Thread Components Initialization
+ */
+void rt_components_init(void)
+{
+	const init_fn_t* fn_ptr;
 
-    return;
+	for (fn_ptr = &__rt_init_rti_board_end; fn_ptr < &__rt_init_rti_end; )
+	{
+		(*fn_ptr)();
+		NEXT_COMPONENT_FN(fn_ptr, __rt_init_rti_end);
+	}
 }
+

components/init/components.h

@@ -77,9 +77,14 @@ extern void lwip_system_init(void);
 extern "C" {
 #endif
 
+/**
+ * Initializes board routine in RT-Thread.
+ */
+void rt_components_board_init(void);
+
 /**
  * Initializes components in RT-Thread
- * notes: this function must be invoked in thread
+ * notes: this function must be invoked in Init Thread
  */
 void rt_components_init(void);
 

components/net/lwip-1.4.1/src/arch/sys_arch.c

@@ -25,6 +25,7 @@
 #include "lwip/tcpip.h"
 #include "netif/ethernetif.h"
 #include "lwip/sio.h"
+#include <lwip/init.h>
 
 #include <string.h>
 
@@ -124,7 +125,7 @@ static void tcpip_init_done_callback(void *arg)
 /**
  * LwIP system initialization
  */
-void lwip_system_init(void)
+int lwip_system_init(void)
 {
     rt_err_t rc;
     struct rt_semaphore done_sem;
@@ -165,7 +166,11 @@ void lwip_system_init(void)
         netifapi_netif_set_addr(netif_default, &ipaddr, &netmask, &gw);
     }
 #endif
+	rt_kprintf("lwIP-%d.%d.%d initialized!\n", LWIP_VERSION_MAJOR, LWIP_VERSION_MINOR, LWIP_VERSION_REVISION);
+
+	return 0;
 }
+INIT_COMPONENT_EXPORT(lwip_system_init);
 
 void sys_init(void)
 {

components/net/lwip-1.4.1/src/lwipopts.h

@@ -82,11 +82,7 @@
 #define LWIP_DBG_TYPES_ON           (LWIP_DBG_ON|LWIP_DBG_TRACE|LWIP_DBG_STATE|LWIP_DBG_FRESH|LWIP_DBG_HALT)
 
 /* ---------- Memory options ---------- */
-#ifdef RT_LWIP_ALIGN_SIZE
-#define MEM_ALIGNMENT               RT_LWIP_ALIGN_SIZE
-#else
 #define MEM_ALIGNMENT               4
-#endif
 
 #define MEM_LIBC_MALLOC             1
 #define mem_malloc                  rt_malloc
@@ -179,7 +175,11 @@
 #define TCP_MSS                     1460
 
 /* TCP sender buffer space (bytes). */
+#ifdef RT_LWIP_TCP_SND_BUF
+#define TCP_SND_BUF					RT_LWIP_TCP_SND_BUF
+#else
 #define TCP_SND_BUF                 (TCP_MSS * 2)
+#endif
 
 /* TCP sender buffer space (pbufs). This must be at least = 2 *
    TCP_SND_BUF/TCP_MSS for things to work. */

components/net/lwip-1.4.1/src/netif/ethernetif.c

@@ -383,6 +383,7 @@ void eth_system_device_init()
     result = rt_thread_startup(&eth_tx_thread);
     RT_ASSERT(result == RT_EOK);
 }
+INIT_DEVICE_EXPORT(eth_system_device_init);
 
 #ifdef RT_USING_FINSH
 #include <finsh.h>

components/net/lwip/src/arch/sys_arch.c

@@ -124,7 +124,7 @@ static void tcpip_init_done_callback(void *arg)
 /**
  * LwIP system initialization
  */
-void lwip_system_init(void)
+int lwip_system_init(void)
 {
     rt_err_t rc;
     struct rt_semaphore done_sem;
@@ -138,7 +138,7 @@ void lwip_system_init(void)
     {
         LWIP_ASSERT("Failed to create semaphore", 0);
 
-        return;
+        return -1;
     }
 
     tcpip_init(tcpip_init_done_callback, (void *)&done_sem);
@@ -148,7 +148,7 @@ void lwip_system_init(void)
     {
         rt_sem_detach(&done_sem);
 
-        return;
+        return -1;
     }
     rt_sem_detach(&done_sem);
 
@@ -165,7 +165,9 @@ void lwip_system_init(void)
         netifapi_netif_set_addr(netif_default, &ipaddr, &netmask, &gw);
     }
 #endif
+	return 0;
 }
+INIT_COMPONENT_EXPORT(lwip_system_init);
 
 void sys_init(void)
 {

components/net/lwip/src/include/netif/ethernetif.h

@@ -30,6 +30,6 @@ rt_err_t eth_device_init(struct eth_device * dev, char *name);
 rt_err_t eth_device_init_with_flag(struct eth_device *dev, char *name, rt_uint8_t flag);
 rt_err_t eth_device_linkchange(struct eth_device* dev, rt_bool_t up);
 
-void eth_system_device_init(void);
+int eth_system_device_init(void);
 
 #endif /* __NETIF_ETHERNETIF_H__ */

components/net/lwip/src/netif/ethernetif.c

@@ -350,7 +350,7 @@ static void eth_rx_thread_entry(void* parameter)
     }
 }
 
-void eth_system_device_init()
+int eth_system_device_init(void)
 {
     rt_err_t result = RT_EOK;
 
@@ -382,7 +382,10 @@ void eth_system_device_init()
 
     result = rt_thread_startup(&eth_tx_thread);
     RT_ASSERT(result == RT_EOK);
+
+	return 0;
 }
+INIT_DEVICE_EXPORT(eth_system_device_init);
 
 #ifdef RT_USING_FINSH
 #include <finsh.h>

include/rtdef.h

@@ -97,6 +97,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
     #include <stdarg.h>
     #define SECTION(x)                  @ x
     #define UNUSED
+	#define USED
     #define PRAGMA(x)                   _Pragma(#x)
     #define ALIGN(n)                    PRAGMA(data_alignment=n)
     #define rt_inline                   static inline
@@ -137,6 +138,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
     #include <stdarg.h>
     #define SECTION(x)                  __attribute__((section(x)))
     #define UNUSED                      __attribute__((unused))
+	#define USED						__attribute__((used))
     #define ALIGN(n)                    __attribute__((aligned(n)))
     #define rt_inline                   static inline
     #define RTT_API 
@@ -144,6 +146,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
     #include <stdarg.h>
     #define SECTION(x)
     #define UNUSED
+	#define USED
     #define ALIGN(n)                    __declspec(align(n))
     #define rt_inline                   static __inline
     #define RTT_API
@@ -153,6 +156,7 @@ typedef rt_base_t                       rt_off_t;       /**< Type for offset */
      * details. */
     #define SECTION(x)
     #define UNUSED
+	#define USED
     #define ALIGN(n)
     #define rt_inline                   static inline
     #define RTT_API

src/module.c

@@ -91,6 +91,7 @@ void rt_system_module_init(void)
     rt_sem_init(&mod_sem, "module", 1, RT_IPC_FLAG_FIFO);
 #endif
 }
+INIT_COMPONENT_EXPORT(rt_system_module_init);
 
 static rt_uint32_t rt_module_symbol_find(const char *sym_str)
 {