Index: uspace/drv/rootpc/rootpc.c
===================================================================
--- uspace/drv/rootpc/rootpc.c	(revision 178673c97db32d4d4e1c8769b1b5991de3e3640d)
+++ uspace/drv/rootpc/rootpc.c	(revision 178673c97db32d4d4e1c8769b1b5991de3e3640d)
@@ -0,0 +1,204 @@
+/*
+ * Copyright (c) 2010 Lenka Trochtova
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * @defgroup root_pc Root HW device driver for ia32 and amd64 platform.
+ * @brief HelenOS root HW device driver for ia32 and amd64 platform.
+ * @{
+ */
+
+/** @file
+ */
+
+#include <assert.h>
+#include <stdio.h>
+#include <errno.h>
+#include <bool.h>
+#include <fibril_synch.h>
+#include <stdlib.h>
+#include <str.h>
+#include <ctype.h>
+#include <macros.h>
+
+#include <driver.h>
+#include <devman.h>
+#include <ipc/devman.h>
+#include <ipc/dev_iface.h>
+#include <resource.h>
+#include <device/hw_res.h>
+
+#define NAME "rootpc"
+
+typedef struct rootpc_child_dev_data {
+	hw_resource_list_t hw_resources;
+} rootpc_child_dev_data_t;
+
+static int rootpc_add_device(device_t *dev);
+static void root_pc_init(void);
+
+/** The root device driver's standard operations. */
+static driver_ops_t rootpc_ops = {
+	.add_device = &rootpc_add_device
+};
+
+/** The root device driver structure. */
+static driver_t rootpc_driver = {
+	.name = NAME,
+	.driver_ops = &rootpc_ops
+};
+
+static hw_resource_t pci_conf_regs = {
+	.type = IO_RANGE,
+	.res.io_range = {
+		.address = 0xCF8,
+		.size = 8,
+		.endianness = LITTLE_ENDIAN
+	}
+};
+
+static rootpc_child_dev_data_t pci_data = {
+	.hw_resources = {
+		1,
+		&pci_conf_regs
+	}
+};
+
+static hw_resource_list_t *rootpc_get_child_resources(device_t *dev)
+{
+	rootpc_child_dev_data_t *data;
+	
+	data = (rootpc_child_dev_data_t *) dev->driver_data;
+	if (NULL == data)
+		return NULL;
+	
+	return &data->hw_resources;
+}
+
+static bool rootpc_enable_child_interrupt(device_t *dev)
+{
+	/* TODO */
+	
+	return false;
+}
+
+static resource_iface_t child_res_iface = {
+	&rootpc_get_child_resources,
+	&rootpc_enable_child_interrupt
+};
+
+/* Initialized in root_pc_init() function. */
+static device_ops_t rootpc_child_ops;
+
+static bool
+rootpc_add_child(device_t *parent, const char *name, const char *str_match_id,
+    rootpc_child_dev_data_t *drv_data)
+{
+	printf(NAME ": adding new child device '%s'.\n", name);
+	
+	device_t *child = NULL;
+	match_id_t *match_id = NULL;
+	
+	/* Create new device. */
+	child = create_device();
+	if (NULL == child)
+		goto failure;
+	
+	child->name = name;
+	child->driver_data = drv_data;
+	
+	/* Initialize match id list */
+	match_id = create_match_id();
+	if (NULL == match_id)
+		goto failure;
+	
+	match_id->id = str_match_id;
+	match_id->score = 100;
+	add_match_id(&child->match_ids, match_id);
+	
+	/* Set provided operations to the device. */
+	child->ops = &rootpc_child_ops;
+	
+	/* Register child device. */
+	if (EOK != child_device_register(child, parent))
+		goto failure;
+	
+	return true;
+	
+failure:
+	if (NULL != match_id)
+		match_id->id = NULL;
+	
+	if (NULL != child) {
+		child->name = NULL;
+		delete_device(child);
+	}
+	
+	printf(NAME ": failed to add child device '%s'.\n", name);
+	
+	return false;
+}
+
+static bool rootpc_add_children(device_t *dev)
+{
+	return rootpc_add_child(dev, "pci0", "intel_pci", &pci_data);
+}
+
+/** Get the root device.
+ *
+ * @param dev		The device which is root of the whole device tree (both
+ *			of HW and pseudo devices).
+ * @return		Zero on success, negative error number otherwise.
+ */
+static int rootpc_add_device(device_t *dev)
+{
+	printf(NAME ": rootpc_add_device, device handle = %d\n", dev->handle);
+	
+	/* Register child devices. */
+	if (!rootpc_add_children(dev)) {
+		printf(NAME ": failed to add child devices for platform "
+		    "ia32.\n");
+	}
+	
+	return EOK;
+}
+
+static void root_pc_init(void)
+{
+	rootpc_child_ops.interfaces[HW_RES_DEV_IFACE] = &child_res_iface;
+}
+
+int main(int argc, char *argv[])
+{
+	printf(NAME ": HelenOS rootpc device driver\n");
+	root_pc_init();
+	return driver_main(&rootpc_driver);
+}
+
+/**
+ * @}
+ */
