Rearranged the device_manager init/module stuff; it's now initialized from

main, not by getting the module any longer.
It now also creates the root node directly.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7438 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/kernel/core/device_manager/device_manager.c

@@ -1,5 +1,7 @@
 /* 
 ** Copyright 2002-04, Thomas Kurschel. All rights reserved.
+** Copyright 2004, Axel Dörfler, [email protected]. All rights reserved.
+**
 ** Distributed under the terms of the OpenBeOS License.
 */
 
@@ -10,14 +12,10 @@
 */
 
 #include "device_manager_private.h"
+#include <kdevice_manager.h>
 
 #include <KernelExport.h>
-//#include <driver_settings.h>
 
-//#include <stdlib.h>
-//#include <string.h>
-//#include <stdio.h>
-//#include <dirent.h>
 
 //#define TRACE_DEVICE_MANAGER
 #ifdef TRACE_DEVICE_MANAGER
@@ -32,8 +30,6 @@ pnp_node_info *node_list;
 
 bool disable_useraddons;
 
-//int pnp_load_wait_count;
-//sem_id pnp_load_wait_sem;
 int pnp_resource_wait_count;
 sem_id pnp_resource_wait_sem;
 
@@ -43,91 +39,32 @@ io_resource_info *io_mem_list, *io_port_list, *isa_dma_list;
 void
 check_settings()
 {
-	void *settings;
+	void *settings = load_driver_settings(B_SAFEMODE_DRIVER_SETTINGS);
+
+	disable_useraddons = get_driver_boolean_parameter(settings, "disableuseraddons", 0, 1);
 
-	settings = load_driver_settings( B_SAFEMODE_DRIVER_SETTINGS );
-	disable_useraddons = get_driver_boolean_parameter( settings, "disableuseraddons", 0, 1 );
 	unload_driver_settings(settings);
-	
-//	if( disable_useraddons ) 
-//		SHOW_INFO0( 2, "User pnp drivers disabled" );
 }
 #endif	
 
-static status_t
-init()
-{
-	status_t status;
-
-	TRACE(("device manager init\n"));
-
-	status = id_generator_init();
-	if (status < B_OK) {
-		panic("could not initialize ID generator\n");
-		return status;
-	}
-
-	status = nodes_init();
-	if (status < B_OK) {
-		panic("could not initialize device nodes\n");
-		return status;
-	}
-
-	pnp_resource_wait_sem = create_sem(0, "pnp_resource_wait_sem");
-	if (pnp_resource_wait_sem < 0) {
-		panic("could not create resource wait sem\n");
-		return pnp_resource_wait_sem;
-	}
-
-//	node_list = NULL;
-/*	pnp_load_wait_count = 0;*/
-	pnp_resource_wait_count = 0;
-	io_mem_list = io_port_list = isa_dma_list = NULL;
-	pnp_fs_emulation_nesting = 0;
-
-	return B_OK;
-/*
-err3:
-	delete_sem( pnp_load_wait_sem );
-err2:
-	DELETE_BEN( &node_lock );
-err:
-	DELETE_BEN( &generator_lock );
-	return res;*/
-}
-
-#if 0
-static status_t
-uninit()
-{
-	SHOW_FLOW0( 0, "" );
-
-	DELETE_BEN( &node_lock );
-	DELETE_BEN( &generator_lock );
-/*	delete_sem( pnp_load_wait_sem );*/
-	delete_sem( pnp_resource_wait_sem );
-	return B_OK;
-}
-#endif
-
 
 static status_t
 std_ops(int32 op, ...)
 {
-	switch( op ) {
-	case B_MODULE_INIT:
-		return init();
-		
-	case B_MODULE_UNINIT:
-		return B_OK;
-//		return uninit();
-		
-	default:
-		return B_ERROR;
+	switch (op) {
+		case B_MODULE_INIT:
+		case B_MODULE_UNINIT:
+			return B_OK;
+
+		default:
+			return B_ERROR;
 	}
 }
 
 
+// ToDo: the device manager exports these for now, so that Thomas's driver
+//	can work on both R5 and OpenBeOS without too much hassle
+
 device_manager_info gDeviceManagerModule = {
 	{
 		DEVICE_MANAGER_MODULE_NAME,
@@ -165,3 +102,40 @@ device_manager_info gDeviceManagerModule = {
 	pnp_write_attr
 };
 
+
+//	#pragma mark -
+
+
+status_t
+device_manager_init(struct kernel_args *args)
+{
+	status_t status;
+
+	TRACE(("device manager init\n"));
+
+	status = id_generator_init();
+	if (status < B_OK) {
+		panic("could not initialize ID generator\n");
+		return status;
+	}
+
+	status = nodes_init();
+	if (status < B_OK) {
+		panic("could not initialize device nodes\n");
+		return status;
+	}
+
+	pnp_resource_wait_sem = create_sem(0, "pnp_resource_wait_sem");
+	if (pnp_resource_wait_sem < 0) {
+		panic("could not create resource wait sem\n");
+		return pnp_resource_wait_sem;
+	}
+
+	pnp_resource_wait_count = 0;
+	io_mem_list = io_port_list = isa_dma_list = NULL;
+	pnp_fs_emulation_nesting = 0;
+
+	pnp_root_init_root();
+	return B_OK;
+}
+

src/kernel/core/device_manager/device_manager_private.h

@@ -251,6 +251,11 @@ void pnp_defer_probing_of_children( pnp_node_info *node );
 void pnp_probe_waiting_children_nolock( pnp_node_info *node );
 void pnp_probe_waiting_children( pnp_node_info *node );
 
+// root_node.c
+
+extern void pnp_root_init_root(void);
+extern void pnp_root_destroy_root(void);
+extern void pnp_root_rescan_root(void);
 
 // scan.c