Porting PicoTCP WIP

ulib/system/system.c

@@ -142,3 +142,15 @@ int32_t dev_cmd(Dev_t *dev, uint64_t cmd, void *buf, size_t len) {
 int32_t time(Time *time) {
   return syscall(SYS_TIME, (uint64_t)time, 0, 0, 0, 0, 0);
 }
+
+int32_t ipc_netsockmake(uint16_t net, uint16_t proto, uint16_t port) {
+  return syscall(SYS_IPC_NETSOCKMAKE, (uint64_t)net, (uint64_t)proto, (uint64_t)port, 0, 0, 0);
+}
+
+int32_t ipc_netsocklisten(uint64_t netsock, size_t maxlisteners) {
+  return syscall(SYS_IPC_NETSOCKLISTEN, (uint64_t)netsock, (uint64_t)maxlisteners, 0, 0, 0, 0);
+}
+
+int32_t ipc_netsockpollev(uint64_t netsock) {
+  return syscall(SYS_IPC_NETSOCKPOLLEV, (uint64_t)netsock, 0, 0, 0, 0, 0);
+}