Add E1000 PIC NIC driver from Yu Qiang

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3638 42af7a65-404d-4744-a932-0658087f49c3

arch/rgmp/src/nuttx.c

@@ -85,6 +85,7 @@ void up_initialize(void)
     extern pidhash_t g_pidhash[];
     extern void up_register_bridges(void);
     extern void vnet_initialize(void);
+    extern void e1000_mod_init(void);
 
     // intialize the current_task to g_idletcb
     current_task = g_pidhash[PIDHASH(0)].tcb;
@@ -92,12 +93,19 @@ void up_initialize(void)
     // setup console
     up_register_bridges();
 
-    // setup net device
+#ifdef CONFIG_NET_VNET
+    // setup vnet device
     vnet_initialize();
+#endif
 
     // setup COM device
     up_serialinit();
 
+#ifdef CONFIG_NET_E1000
+    // setup e1000
+    e1000_mod_init();
+#endif
+
     // enable interrupt
     sti();
 }

arch/rgmp/src/rgmp.c

@@ -154,4 +154,19 @@ int rtos_sem_down(void *sem)
     return sem_wait(sem);
 }
 
+void rtos_stop_running(void)
+{
+    extern void e1000_mod_exit(void);
+
+    cli();
+    
+#ifdef CONFIG_NET_E1000
+    e1000_mod_exit();
+#endif
+
+    while(1) {
+	asm volatile("hlt");
+    }
+}
+