kernel: rework init

kernel-src/io/net/arp.c

@@ -7,6 +7,7 @@
 #include <kernel/eth.h>
 #include <ringbuffer.h>
 #include <kernel/event.h>
+#include <kernel/init.h>
 
 #define CACHE_TIMEOUT_SEC 300
 #define CACHE_TIMEOUT_MS  (CACHE_TIMEOUT_SEC * 1000)
@@ -315,3 +316,5 @@ void arp_init() {
 	sched_queue(handlerthread);
 	sched_queue(cleanupthread);
 }
+
+INIT_ROUTINE_DEFINE(arp, INIT_ROUTINE_FLAGS_NONE, arp_init, scheduler);

kernel-src/io/net/ipv4.c

@@ -5,6 +5,7 @@
 #include <mutex.h>
 #include <kernel/alloc.h>
 #include <kernel/abi.h>
+#include <kernel/init.h>
 
 typedef struct {
 	netdev_t *netdev;
@@ -229,3 +230,5 @@ void ipv4_init() {
 	__assert(routingtable);
 	__assert(ipv4_addroute(loopback_device(), 0x7f000001, 0, 0xff000000, 10000) == 0);
 }
+
+INIT_ROUTINE_DEFINE(ipv4, INIT_ROUTINE_FLAGS_NONE, ipv4_init, devfs)

kernel-src/io/net/loopback.c

@@ -5,6 +5,7 @@
 #include <kernel/net.h>
 #include <hashtable.h>
 #include <arch/cpu.h>
+#include <kernel/init.h>
 
 static netdev_t loopbacknetdev;
 
@@ -64,3 +65,5 @@ void loopback_init() {
 
 	__assert(netdev_register(&loopbacknetdev, "lo") == 0);
 }
+
+INIT_ROUTINE_DEFINE(loopback, INIT_ROUTINE_FLAGS_NONE, loopback_init, devfs);

kernel-src/io/net/tcp.c

@@ -5,6 +5,7 @@
 #include <kernel/timekeeper.h>
 #include <kernel/interrupt.h>
 #include <kernel/auth.h>
+#include <kernel/init.h>
 
 #define WORKER_COUNT 12
 #define WORKER_BUFFER_SIZE (64 * 1024)
@@ -1879,3 +1880,5 @@ void tcp_init() {
 		sched_queue(thread);
 	}
 }
+
+INIT_ROUTINE_DEFINE(tcp, INIT_ROUTINE_FLAGS_NONE, tcp_init, ipv4, scheduler);