source: mainline/uspace/app/init/init.c@ 23e86c6

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 23e86c6 was 02f45748, checked in by Jiri Svoboda <jiri@…>, 6 years ago

Source display server events from input server
  • Property mode set to 100644
File size: 11.1 KB
Line 
1/*
2 * Copyright (c) 2005 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup init
30 * @{
31 */
32/**
33 * @file
34 */
35
36#include <fibril.h>
37#include <stdio.h>
38#include <stdarg.h>
39#include <vfs/vfs.h>
40#include <stdbool.h>
41#include <errno.h>
42#include <task.h>
43#include <stdlib.h>
44#include <macros.h>
45#include <str.h>
46#include <loc.h>
47#include <str_error.h>
48#include <config.h>
49#include <io/logctl.h>
50#include <vfs/vfs.h>
51#include <vol.h>
52#include "untar.h"
53#include "init.h"
54
55#define ROOT_DEVICE "bd/initrd"
56#define ROOT_MOUNT_POINT "/"
57
58#define LOCFS_FS_TYPE "locfs"
59#define LOCFS_MOUNT_POINT "/loc"
60
61#define TMPFS_FS_TYPE "tmpfs"
62#define TMPFS_MOUNT_POINT "/tmp"
63
64#define SRV_CONSOLE "/srv/hid/console"
65#define APP_GETTERM "/app/getterm"
66
67#define SRV_DISPLAY "/srv/hid/display"
68
69#define HID_INPUT "hid/input"
70#define HID_OUTPUT "hid/output"
71#define HID_COMPOSITOR_SERVER ":0"
72
73#define srv_start(path, ...) \
74 srv_startl(path, path, ##__VA_ARGS__, NULL)
75
76static const char *sys_dirs[] = {
77 "/w/cfg",
78 "/w/data"
79};
80
81/** Print banner */
82static void info_print(void)
83{
84 printf("%s: HelenOS init\n", NAME);
85}
86
87/** Report mount operation success */
88static bool mount_report(const char *desc, const char *mntpt,
89 const char *fstype, const char *dev, errno_t rc)
90{
91 switch (rc) {
92 case EOK:
93 if ((dev != NULL) && (str_cmp(dev, "") != 0))
94 printf("%s: %s mounted on %s (%s at %s)\n", NAME, desc, mntpt,
95 fstype, dev);
96 else
97 printf("%s: %s mounted on %s (%s)\n", NAME, desc, mntpt, fstype);
98 break;
99 case EBUSY:
100 printf("%s: %s already mounted on %s\n", NAME, desc, mntpt);
101 return false;
102 case ELIMIT:
103 printf("%s: %s limit exceeded\n", NAME, desc);
104 return false;
105 case ENOENT:
106 printf("%s: %s unknown type (%s)\n", NAME, desc, fstype);
107 return false;
108 default:
109 printf("%s: %s not mounted on %s (%s)\n", NAME, desc, mntpt,
110 str_error(rc));
111 return false;
112 }
113
114 return true;
115}
116
117/** Mount root file system
118 *
119 * The operation blocks until the root file system
120 * server is ready for mounting.
121 *
122 * @param[in] fstype Root file system type.
123 *
124 * @return True on success.
125 * @return False on failure.
126 *
127 */
128static bool mount_root(const char *fstype)
129{
130 const char *root_device = "";
131
132 if (str_cmp(fstype, "tmpfs") != 0)
133 root_device = ROOT_DEVICE;
134
135 errno_t rc = vfs_mount_path(ROOT_MOUNT_POINT, fstype, root_device, "",
136 IPC_FLAG_BLOCKING, 0);
137 if (rc == EOK)
138 logctl_set_root();
139
140 bool ret = mount_report("Root file system", ROOT_MOUNT_POINT, fstype,
141 root_device, rc);
142
143 rc = vfs_cwd_set(ROOT_MOUNT_POINT);
144 if (rc != EOK) {
145 printf("%s: Unable to set current directory to %s (%s)\n",
146 NAME, ROOT_MOUNT_POINT, str_error(ret));
147 return false;
148 }
149
150 if ((ret) && (str_cmp(fstype, "tmpfs") == 0)) {
151 printf("%s: Extracting root file system archive\n", NAME);
152 ret = bd_untar(ROOT_DEVICE);
153 }
154
155 return ret;
156}
157
158/** Mount locfs file system
159 *
160 * The operation blocks until the locfs file system
161 * server is ready for mounting.
162 *
163 * @return True on success.
164 * @return False on failure.
165 *
166 */
167static bool mount_locfs(void)
168{
169 errno_t rc = vfs_mount_path(LOCFS_MOUNT_POINT, LOCFS_FS_TYPE, "", "",
170 IPC_FLAG_BLOCKING, 0);
171 return mount_report("Location service file system", LOCFS_MOUNT_POINT,
172 LOCFS_FS_TYPE, NULL, rc);
173}
174
175static errno_t srv_startl(const char *path, ...)
176{
177 vfs_stat_t s;
178 if (vfs_stat_path(path, &s) != EOK) {
179 printf("%s: Unable to stat %s\n", NAME, path);
180 return ENOENT;
181 }
182
183 printf("%s: Starting %s\n", NAME, path);
184
185 va_list ap;
186 const char *arg;
187 int cnt = 0;
188
189 va_start(ap, path);
190 do {
191 arg = va_arg(ap, const char *);
192 cnt++;
193 } while (arg != NULL);
194 va_end(ap);
195
196 va_start(ap, path);
197 task_id_t id;
198 task_wait_t wait;
199 errno_t rc = task_spawn(&id, &wait, path, cnt, ap);
200 va_end(ap);
201
202 if (rc != EOK) {
203 printf("%s: Error spawning %s (%s)\n", NAME, path,
204 str_error(rc));
205 return rc;
206 }
207
208 if (!id) {
209 printf("%s: Error spawning %s (invalid task id)\n", NAME,
210 path);
211 return EINVAL;
212 }
213
214 task_exit_t texit;
215 int retval;
216 rc = task_wait(&wait, &texit, &retval);
217 if (rc != EOK) {
218 printf("%s: Error waiting for %s (%s)\n", NAME, path,
219 str_error(rc));
220 return rc;
221 }
222
223 if (texit != TASK_EXIT_NORMAL) {
224 printf("%s: Server %s failed to start (unexpectedly "
225 "terminated)\n", NAME, path);
226 return EINVAL;
227 }
228
229 if (retval != 0)
230 printf("%s: Server %s failed to start (exit code %d)\n", NAME,
231 path, retval);
232
233 return retval == 0 ? EOK : EPARTY;
234}
235
236static errno_t console(const char *isvc, const char *osvc)
237{
238 /* Wait for the input service to be ready */
239 service_id_t service_id;
240 errno_t rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
241 if (rc != EOK) {
242 printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
243 str_error(rc));
244 return rc;
245 }
246
247 /* Wait for the output service to be ready */
248 rc = loc_service_get_id(osvc, &service_id, IPC_FLAG_BLOCKING);
249 if (rc != EOK) {
250 printf("%s: Error waiting on %s (%s)\n", NAME, osvc,
251 str_error(rc));
252 return rc;
253 }
254
255 return srv_start(SRV_CONSOLE, isvc, osvc);
256}
257
258static errno_t display_server(void)
259{
260 return srv_start(SRV_DISPLAY);
261}
262
263static int gui_start(const char *app)
264{
265 printf("%s: Spawning %s\n", NAME, app);
266
267 task_id_t id;
268 task_wait_t wait;
269 errno_t rc = task_spawnl(&id, &wait, app, app, NULL);
270 if (rc != EOK) {
271 printf("%s: Error spawning %s (%s)\n", NAME, app,
272 str_error(rc));
273 return -1;
274 }
275
276 task_exit_t texit;
277 int retval;
278 rc = task_wait(&wait, &texit, &retval);
279 if ((rc != EOK) || (texit != TASK_EXIT_NORMAL)) {
280 printf("%s: Error retrieving retval from %s (%s)\n", NAME,
281 app, str_error(rc));
282 return -1;
283 }
284
285 return retval;
286}
287
288static void getterm(const char *svc, const char *app, bool msg)
289{
290 if (msg) {
291 printf("%s: Spawning %s %s %s --msg --wait -- %s\n", NAME,
292 APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
293
294 errno_t rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
295 LOCFS_MOUNT_POINT, "--msg", "--wait", "--", app, NULL);
296 if (rc != EOK)
297 printf("%s: Error spawning %s %s %s --msg --wait -- %s\n",
298 NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
299 } else {
300 printf("%s: Spawning %s %s %s --wait -- %s\n", NAME,
301 APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
302
303 errno_t rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
304 LOCFS_MOUNT_POINT, "--wait", "--", app, NULL);
305 if (rc != EOK)
306 printf("%s: Error spawning %s %s %s --wait -- %s\n",
307 NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
308 }
309}
310
311static bool mount_tmpfs(void)
312{
313 errno_t rc = vfs_mount_path(TMPFS_MOUNT_POINT, TMPFS_FS_TYPE, "", "", 0, 0);
314 return mount_report("Temporary file system", TMPFS_MOUNT_POINT,
315 TMPFS_FS_TYPE, NULL, rc);
316}
317
318/** Init system volume.
319 *
320 * See if system volume is configured. If so, try to wait for it to become
321 * available. If not, create basic directories for live image omde.
322 */
323static errno_t init_sysvol(void)
324{
325 vol_t *vol = NULL;
326 vol_info_t vinfo;
327 volume_id_t *volume_ids = NULL;
328 size_t nvols;
329 size_t i;
330 errno_t rc;
331 bool found_cfg;
332 const char **cp;
333
334 rc = vol_create(&vol);
335 if (rc != EOK) {
336 printf("Error contacting volume service.\n");
337 goto error;
338 }
339
340 rc = vol_get_volumes(vol, &volume_ids, &nvols);
341 if (rc != EOK) {
342 printf("Error getting list of volumes.\n");
343 goto error;
344 }
345
346 /* XXX This could be handled more efficiently by volsrv itself */
347 found_cfg = false;
348 for (i = 0; i < nvols; i++) {
349 rc = vol_info(vol, volume_ids[i], &vinfo);
350 if (rc != EOK) {
351 printf("Error getting volume information.\n");
352 rc = EIO;
353 goto error;
354 }
355
356 if (str_cmp(vinfo.path, "/w") == 0) {
357 found_cfg = true;
358 break;
359 }
360 }
361
362 vol_destroy(vol);
363 free(volume_ids);
364
365 if (!found_cfg) {
366 /* Prepare directory structure for live image mode */
367 printf("%s: Creating live image directory structure.\n", NAME);
368 cp = sys_dirs;
369 while (*cp != NULL) {
370 rc = vfs_link_path(*cp, KIND_DIRECTORY, NULL);
371 if (rc != EOK) {
372 printf("%s: Error creating directory '%s'.\n",
373 NAME, *cp);
374 return rc;
375 }
376
377 ++cp;
378 }
379 } else {
380 printf("%s: System volume is configured.\n", NAME);
381 }
382
383 return EOK;
384error:
385 vol_destroy(vol);
386 if (volume_ids != NULL)
387 free(volume_ids);
388
389 return rc;
390}
391
392int main(int argc, char *argv[])
393{
394 errno_t rc;
395
396 info_print();
397
398 if (!mount_root(STRING(RDFMT))) {
399 printf("%s: Exiting\n", NAME);
400 return 1;
401 }
402
403 /* Make sure file systems are running. */
404 if (str_cmp(STRING(RDFMT), "tmpfs") != 0)
405 srv_start("/srv/fs/tmpfs");
406 if (str_cmp(STRING(RDFMT), "exfat") != 0)
407 srv_start("/srv/fs/exfat");
408 if (str_cmp(STRING(RDFMT), "fat") != 0)
409 srv_start("/srv/fs/fat");
410 srv_start("/srv/fs/cdfs");
411 srv_start("/srv/fs/mfs");
412
413 srv_start("/srv/klog");
414 srv_start("/srv/fs/locfs");
415 srv_start("/srv/taskmon");
416
417 if (!mount_locfs()) {
418 printf("%s: Exiting\n", NAME);
419 return 2;
420 }
421
422 mount_tmpfs();
423
424 srv_start("/srv/devman");
425 srv_start("/srv/hid/s3c24xx_uart");
426 srv_start("/srv/hid/s3c24xx_ts");
427
428 srv_start("/srv/bd/vbd");
429 srv_start("/srv/volsrv");
430
431 srv_start("/srv/net/loopip");
432 srv_start("/srv/net/ethip");
433 srv_start("/srv/net/inetsrv");
434 srv_start("/srv/net/tcp");
435 srv_start("/srv/net/udp");
436 srv_start("/srv/net/dnsrsrv");
437 srv_start("/srv/net/dhcp");
438 srv_start("/srv/net/nconfsrv");
439
440 srv_start("/srv/clipboard");
441 srv_start("/srv/hid/remcons");
442
443 srv_start("/srv/hid/input", HID_INPUT);
444 srv_start("/srv/hid/output", HID_OUTPUT);
445 srv_start("/srv/audio/hound");
446
447 init_sysvol();
448
449 if (!config_key_exists("console")) {
450 rc = display_server();
451 if (rc == EOK) {
452 fibril_sleep(1);
453 gui_start("/app/terminal");
454 }
455 }
456
457 rc = console(HID_INPUT, HID_OUTPUT);
458 if (rc == EOK) {
459 getterm("term/vc0", "/app/bdsh", true);
460 getterm("term/vc1", "/app/bdsh", false);
461 getterm("term/vc2", "/app/bdsh", false);
462 getterm("term/vc3", "/app/bdsh", false);
463 getterm("term/vc4", "/app/bdsh", false);
464 getterm("term/vc5", "/app/bdsh", false);
465 }
466
467 return 0;
468}
469
470/** @}
471 */
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