Index: uspace/srv/system/system.c
===================================================================
--- uspace/srv/system/system.c	(revision 514108ee2f699130ce74d59e6a1053acef648a16)
+++ uspace/srv/system/system.c	(revision 514108ee2f699130ce74d59e6a1053acef648a16)
@@ -0,0 +1,497 @@
+/*
+ * Copyright (c) 2024 Jiri Svoboda
+ * Copyright (c) 2005 Martin Decky
+ * 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.
+ */
+
+/** @addtogroup init
+ * @{
+ */
+/**
+ * @file
+ */
+
+#include <fibril.h>
+#include <futil.h>
+#include <stdio.h>
+#include <stdarg.h>
+#include <vfs/vfs.h>
+#include <stdbool.h>
+#include <errno.h>
+#include <task.h>
+#include <stdlib.h>
+#include <macros.h>
+#include <str.h>
+#include <loc.h>
+#include <str_error.h>
+#include <config.h>
+#include <io/logctl.h>
+#include <vfs/vfs.h>
+#include <vol.h>
+#include "system.h"
+
+#define BANNER_LEFT   "######> "
+#define BANNER_RIGHT  " <######"
+
+#define LOCFS_FS_TYPE      "locfs"
+#define LOCFS_MOUNT_POINT  "/loc"
+
+#define TMPFS_FS_TYPE      "tmpfs"
+#define TMPFS_MOUNT_POINT  "/tmp"
+
+#define SRV_CONSOLE  "/srv/hid/console"
+#define APP_GETTERM  "/app/getterm"
+
+#define SRV_DISPLAY  "/srv/hid/display"
+
+#define HID_INPUT              "hid/input"
+#define HID_OUTPUT             "hid/output"
+
+#define srv_start(path, ...) \
+	srv_startl(path, path, ##__VA_ARGS__, NULL)
+
+static const char *sys_dirs[] = {
+	"/w/cfg",
+	"/w/data",
+	NULL,
+};
+
+/** Print banner */
+static void info_print(void)
+{
+	printf("%s: HelenOS system server\n", NAME);
+}
+
+static void oom_check(errno_t rc, const char *path)
+{
+	if (rc == ENOMEM) {
+		printf("%sOut-of-memory condition detected%s\n", BANNER_LEFT,
+		    BANNER_RIGHT);
+		printf("%sBailing out of the boot process after %s%s\n",
+		    BANNER_LEFT, path, BANNER_RIGHT);
+		printf("%sMore physical memory is required%s\n", BANNER_LEFT,
+		    BANNER_RIGHT);
+		exit(ENOMEM);
+	}
+}
+
+/** Report mount operation success */
+static bool mount_report(const char *desc, const char *mntpt,
+    const char *fstype, const char *dev, errno_t rc)
+{
+	switch (rc) {
+	case EOK:
+		if ((dev != NULL) && (str_cmp(dev, "") != 0))
+			printf("%s: %s mounted on %s (%s at %s)\n", NAME, desc, mntpt,
+			    fstype, dev);
+		else
+			printf("%s: %s mounted on %s (%s)\n", NAME, desc, mntpt, fstype);
+		break;
+	case EBUSY:
+		printf("%s: %s already mounted on %s\n", NAME, desc, mntpt);
+		return false;
+	case ELIMIT:
+		printf("%s: %s limit exceeded\n", NAME, desc);
+		return false;
+	case ENOENT:
+		printf("%s: %s unknown type (%s)\n", NAME, desc, fstype);
+		return false;
+	default:
+		printf("%s: %s not mounted on %s (%s)\n", NAME, desc, mntpt,
+		    str_error(rc));
+		return false;
+	}
+
+	return true;
+}
+
+/** Mount locfs file system
+ *
+ * The operation blocks until the locfs file system
+ * server is ready for mounting.
+ *
+ * @return True on success.
+ * @return False on failure.
+ *
+ */
+static bool mount_locfs(void)
+{
+	errno_t rc = vfs_mount_path(LOCFS_MOUNT_POINT, LOCFS_FS_TYPE, "", "",
+	    IPC_FLAG_BLOCKING, 0);
+	return mount_report("Location service file system", LOCFS_MOUNT_POINT,
+	    LOCFS_FS_TYPE, NULL, rc);
+}
+
+static errno_t srv_startl(const char *path, ...)
+{
+	vfs_stat_t s;
+	if (vfs_stat_path(path, &s) != EOK) {
+		printf("%s: Unable to stat %s\n", NAME, path);
+		return ENOENT;
+	}
+
+	printf("%s: Starting %s\n", NAME, path);
+
+	va_list ap;
+	const char *arg;
+	int cnt = 0;
+
+	va_start(ap, path);
+	do {
+		arg = va_arg(ap, const char *);
+		cnt++;
+	} while (arg != NULL);
+	va_end(ap);
+
+	va_start(ap, path);
+	task_id_t id;
+	task_wait_t wait;
+	errno_t rc = task_spawn(&id, &wait, path, cnt, ap);
+	va_end(ap);
+
+	if (rc != EOK) {
+		oom_check(rc, path);
+		printf("%s: Error spawning %s (%s)\n", NAME, path,
+		    str_error(rc));
+		return rc;
+	}
+
+	if (!id) {
+		printf("%s: Error spawning %s (invalid task id)\n", NAME,
+		    path);
+		return EINVAL;
+	}
+
+	task_exit_t texit;
+	int retval;
+	rc = task_wait(&wait, &texit, &retval);
+	if (rc != EOK) {
+		printf("%s: Error waiting for %s (%s)\n", NAME, path,
+		    str_error(rc));
+		return rc;
+	}
+
+	if (texit != TASK_EXIT_NORMAL) {
+		printf("%s: Server %s failed to start (unexpectedly "
+		    "terminated)\n", NAME, path);
+		return EINVAL;
+	}
+
+	if (retval != 0)
+		printf("%s: Server %s failed to start (exit code %d)\n", NAME,
+		    path, retval);
+
+	return retval == 0 ? EOK : EPARTY;
+}
+
+static errno_t console(const char *isvc, const char *osvc)
+{
+	/* Wait for the input service to be ready */
+	service_id_t service_id;
+	errno_t rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
+	if (rc != EOK) {
+		printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
+		    str_error(rc));
+		return rc;
+	}
+
+	/* Wait for the output service to be ready */
+	rc = loc_service_get_id(osvc, &service_id, IPC_FLAG_BLOCKING);
+	if (rc != EOK) {
+		printf("%s: Error waiting on %s (%s)\n", NAME, osvc,
+		    str_error(rc));
+		return rc;
+	}
+
+	return srv_start(SRV_CONSOLE, isvc, osvc);
+}
+
+#ifdef CONFIG_WINSYS
+
+static errno_t display_server(void)
+{
+	return srv_start(SRV_DISPLAY);
+}
+
+static int app_start(const char *app, const char *arg)
+{
+	printf("%s: Spawning %s\n", NAME, app);
+
+	task_id_t id;
+	task_wait_t wait;
+	errno_t rc = task_spawnl(&id, &wait, app, app, arg, NULL);
+	if (rc != EOK) {
+		oom_check(rc, app);
+		printf("%s: Error spawning %s (%s)\n", NAME, app,
+		    str_error(rc));
+		return -1;
+	}
+
+	task_exit_t texit;
+	int retval;
+	rc = task_wait(&wait, &texit, &retval);
+	if ((rc != EOK) || (texit != TASK_EXIT_NORMAL)) {
+		printf("%s: Error retrieving retval from %s (%s)\n", NAME,
+		    app, str_error(rc));
+		return rc;
+	}
+
+	return retval;
+}
+
+#endif
+
+static void getterm(const char *svc, const char *app, bool msg)
+{
+	if (msg) {
+		printf("%s: Spawning %s %s %s --msg --wait -- %s\n", NAME,
+		    APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
+
+		errno_t rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
+		    LOCFS_MOUNT_POINT, "--msg", "--wait", "--", app, NULL);
+		if (rc != EOK) {
+			oom_check(rc, APP_GETTERM);
+			printf("%s: Error spawning %s %s %s --msg --wait -- %s\n",
+			    NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
+		}
+	} else {
+		printf("%s: Spawning %s %s %s --wait -- %s\n", NAME,
+		    APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
+
+		errno_t rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
+		    LOCFS_MOUNT_POINT, "--wait", "--", app, NULL);
+		if (rc != EOK) {
+			oom_check(rc, APP_GETTERM);
+			printf("%s: Error spawning %s %s %s --wait -- %s\n",
+			    NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
+		}
+	}
+}
+
+static bool mount_tmpfs(void)
+{
+	errno_t rc = vfs_mount_path(TMPFS_MOUNT_POINT, TMPFS_FS_TYPE, "", "", 0, 0);
+	return mount_report("Temporary file system", TMPFS_MOUNT_POINT,
+	    TMPFS_FS_TYPE, NULL, rc);
+}
+
+/** Init system volume.
+ *
+ * See if system volume is configured. If so, try to wait for it to become
+ * available. If not, create basic directories for live image omde.
+ */
+static errno_t init_sysvol(void)
+{
+	vol_t *vol = NULL;
+	vol_info_t vinfo;
+	volume_id_t *volume_ids = NULL;
+	service_id_t *part_ids = NULL;
+	vol_part_info_t pinfo;
+	size_t nvols;
+	size_t nparts;
+	bool sv_mounted;
+	size_t i;
+	errno_t rc;
+	bool found_cfg;
+	const char **cp;
+
+	rc = vol_create(&vol);
+	if (rc != EOK) {
+		printf("Error contacting volume service.\n");
+		goto error;
+	}
+
+	rc = vol_get_volumes(vol, &volume_ids, &nvols);
+	if (rc != EOK) {
+		printf("Error getting list of volumes.\n");
+		goto error;
+	}
+
+	/* XXX This could be handled more efficiently by volsrv itself */
+	found_cfg = false;
+	for (i = 0; i < nvols; i++) {
+		rc = vol_info(vol, volume_ids[i], &vinfo);
+		if (rc != EOK) {
+			printf("Error getting volume information.\n");
+			rc = EIO;
+			goto error;
+		}
+
+		if (str_cmp(vinfo.path, "/w") == 0) {
+			found_cfg = true;
+			break;
+		}
+	}
+
+	free(volume_ids);
+	volume_ids = NULL;
+
+	if (!found_cfg) {
+		/* Prepare directory structure for live image mode */
+		printf("%s: Creating live image directory structure.\n", NAME);
+		cp = sys_dirs;
+		while (*cp != NULL) {
+			rc = vfs_link_path(*cp, KIND_DIRECTORY, NULL);
+			if (rc != EOK) {
+				printf("%s: Error creating directory '%s'.\n",
+				    NAME, *cp);
+				goto error;
+			}
+
+			++cp;
+		}
+
+		/* Copy initial configuration files */
+		rc = futil_rcopy_contents("/cfg", "/w/cfg");
+		if (rc != EOK)
+			goto error;
+	} else {
+		printf("%s: System volume is configured.\n", NAME);
+
+		/* Wait until system volume is mounted */
+		sv_mounted = false;
+
+		while (true) {
+			rc = vol_get_parts(vol, &part_ids, &nparts);
+			if (rc != EOK) {
+				printf("Error getting list of volumes.\n");
+				goto error;
+			}
+
+			for (i = 0; i < nparts; i++) {
+				rc = vol_part_info(vol, part_ids[i], &pinfo);
+				if (rc != EOK) {
+					printf("Error getting partition "
+					    "information.\n");
+					rc = EIO;
+					goto error;
+				}
+
+				if (str_cmp(pinfo.cur_mp, "/w") == 0) {
+					sv_mounted = true;
+					break;
+				}
+			}
+
+			if (sv_mounted)
+				break;
+
+			free(part_ids);
+			part_ids = NULL;
+
+			fibril_sleep(1);
+			printf("Sleeping(1) for system volume.\n");
+		}
+	}
+
+	vol_destroy(vol);
+	return EOK;
+error:
+	vol_destroy(vol);
+	if (volume_ids != NULL)
+		free(volume_ids);
+	if (part_ids != NULL)
+		free(part_ids);
+
+	return rc;
+}
+
+int main(int argc, char *argv[])
+{
+	errno_t rc;
+
+	info_print();
+
+	/* Make sure file systems are running. */
+	if (str_cmp(STRING(RDFMT), "tmpfs") != 0)
+		srv_start("/srv/fs/tmpfs");
+	if (str_cmp(STRING(RDFMT), "exfat") != 0)
+		srv_start("/srv/fs/exfat");
+	if (str_cmp(STRING(RDFMT), "fat") != 0)
+		srv_start("/srv/fs/fat");
+	srv_start("/srv/fs/cdfs");
+	srv_start("/srv/fs/mfs");
+
+	srv_start("/srv/klog");
+	srv_start("/srv/fs/locfs");
+
+	if (!mount_locfs()) {
+		printf("%s: Exiting\n", NAME);
+		return 2;
+	}
+
+	mount_tmpfs();
+
+	srv_start("/srv/devman");
+	srv_start("/srv/hid/s3c24xx_uart");
+	srv_start("/srv/hid/s3c24xx_ts");
+
+	srv_start("/srv/bd/vbd");
+	srv_start("/srv/volsrv");
+
+	init_sysvol();
+
+	srv_start("/srv/taskmon");
+
+	srv_start("/srv/net/loopip");
+	srv_start("/srv/net/ethip");
+	srv_start("/srv/net/dhcp");
+	srv_start("/srv/net/inetsrv");
+	srv_start("/srv/net/tcp");
+	srv_start("/srv/net/udp");
+	srv_start("/srv/net/dnsrsrv");
+
+	srv_start("/srv/clipboard");
+	srv_start("/srv/hid/remcons");
+
+	srv_start("/srv/hid/input", HID_INPUT);
+	srv_start("/srv/hid/output", HID_OUTPUT);
+	srv_start("/srv/audio/hound");
+
+#ifdef CONFIG_WINSYS
+	if (!config_key_exists("console")) {
+		rc = display_server();
+		if (rc == EOK) {
+			app_start("/app/taskbar", NULL);
+			app_start("/app/terminal", "-topleft");
+		}
+	}
+#endif
+	rc = console(HID_INPUT, HID_OUTPUT);
+	if (rc == EOK) {
+		getterm("term/vc0", "/app/bdsh", true);
+		getterm("term/vc1", "/app/bdsh", false);
+		getterm("term/vc2", "/app/bdsh", false);
+		getterm("term/vc3", "/app/bdsh", false);
+		getterm("term/vc4", "/app/bdsh", false);
+		getterm("term/vc5", "/app/bdsh", false);
+	}
+
+	return 0;
+}
+
+/** @}
+ */
