source: mainline/uspace/app/init/init.c@ e330da6e

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since e330da6e was 73d8600, checked in by Jakub Jermar <jakub@…>, 9 years ago

Make serial console mutually exclusive with other user input/output methods

This limitation can be lifted once we figure out how to properly run them
side by side.
  • Property mode set to 100644
File size: 9.5 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 Init
30 * @brief Init process for user space environment configuration.
31 * @{
32 */
33/**
34 * @file
35 */
36
37#include <stdio.h>
38#include <unistd.h>
39#include <stdarg.h>
40#include <vfs/vfs.h>
41#include <stdbool.h>
42#include <errno.h>
43#include <fcntl.h>
44#include <sys/stat.h>
45#include <task.h>
46#include <malloc.h>
47#include <macros.h>
48#include <str.h>
49#include <loc.h>
50#include <str_error.h>
51#include <config.h>
52#include "init.h"
53
54#define ROOT_DEVICE "bd/initrd"
55#define ROOT_MOUNT_POINT "/"
56
57#define LOCFS_FS_TYPE "locfs"
58#define LOCFS_MOUNT_POINT "/loc"
59
60#define TMPFS_FS_TYPE "tmpfs"
61#define TMPFS_MOUNT_POINT "/tmp"
62
63#define SRV_CONSOLE "/srv/console"
64#define APP_GETTERM "/app/getterm"
65
66#define SRV_COMPOSITOR "/srv/compositor"
67
68#define HID_INPUT "hid/input"
69#define HID_OUTPUT "hid/output"
70#define HID_COMPOSITOR_SERVER ":0"
71
72#define srv_start(path, ...) \
73 srv_startl(path, path, ##__VA_ARGS__, NULL)
74
75/** Print banner */
76static void info_print(void)
77{
78 printf("%s: HelenOS init\n", NAME);
79}
80
81/** Report mount operation success */
82static bool mount_report(const char *desc, const char *mntpt,
83 const char *fstype, const char *dev, int rc)
84{
85 switch (rc) {
86 case EOK:
87 if (dev != NULL)
88 printf("%s: %s mounted on %s (%s at %s)\n", NAME, desc, mntpt,
89 fstype, dev);
90 else
91 printf("%s: %s mounted on %s (%s)\n", NAME, desc, mntpt, fstype);
92 break;
93 case EBUSY:
94 printf("%s: %s already mounted on %s\n", NAME, desc, mntpt);
95 return false;
96 case ELIMIT:
97 printf("%s: %s limit exceeded\n", NAME, desc);
98 return false;
99 case ENOENT:
100 printf("%s: %s unknown type (%s)\n", NAME, desc, fstype);
101 return false;
102 default:
103 printf("%s: %s not mounted on %s (%s)\n", NAME, desc, mntpt,
104 str_error(rc));
105 return false;
106 }
107
108 return true;
109}
110
111/** Mount root filesystem
112 *
113 * The operation blocks until the root filesystem
114 * server is ready for mounting.
115 *
116 * @param[in] fstype Root filesystem type.
117 *
118 * @return True on success.
119 * @return False on failure.
120 *
121 */
122static bool mount_root(const char *fstype)
123{
124 const char *opts = "";
125
126 if (str_cmp(fstype, "tmpfs") == 0)
127 opts = "restore";
128
129 int rc = vfs_mount(fstype, ROOT_MOUNT_POINT, ROOT_DEVICE, opts,
130 IPC_FLAG_BLOCKING, 0);
131 return mount_report("Root filesystem", ROOT_MOUNT_POINT, fstype,
132 ROOT_DEVICE, rc);
133}
134
135/** Mount locfs filesystem
136 *
137 * The operation blocks until the locfs filesystem
138 * server is ready for mounting.
139 *
140 * @return True on success.
141 * @return False on failure.
142 *
143 */
144static bool mount_locfs(void)
145{
146 int rc = vfs_mount(LOCFS_FS_TYPE, LOCFS_MOUNT_POINT, "", "",
147 IPC_FLAG_BLOCKING, 0);
148 return mount_report("Location service filesystem", LOCFS_MOUNT_POINT,
149 LOCFS_FS_TYPE, NULL, rc);
150}
151
152static int srv_startl(const char *path, ...)
153{
154 struct stat s;
155 if (stat(path, &s) != 0) {
156 printf("%s: Unable to stat %s\n", NAME, path);
157 return ENOENT;
158 }
159
160 printf("%s: Starting %s\n", NAME, path);
161
162 va_list ap;
163 const char *arg;
164 int cnt = 0;
165
166 va_start(ap, path);
167 do {
168 arg = va_arg(ap, const char *);
169 cnt++;
170 } while (arg != NULL);
171 va_end(ap);
172
173 va_start(ap, path);
174 task_id_t id;
175 task_wait_t wait;
176 int rc = task_spawn(&id, &wait, path, cnt, ap);
177 va_end(ap);
178
179 if (rc != EOK) {
180 printf("%s: Error spawning %s (%s)\n", NAME, path,
181 str_error(rc));
182 return rc;
183 }
184
185 if (!id) {
186 printf("%s: Error spawning %s (invalid task id)\n", NAME,
187 path);
188 return EINVAL;
189 }
190
191 task_exit_t texit;
192 int retval;
193 rc = task_wait(&wait, &texit, &retval);
194 if (rc != EOK) {
195 printf("%s: Error waiting for %s (%s)\n", NAME, path,
196 str_error(rc));
197 return rc;
198 }
199
200 if (texit != TASK_EXIT_NORMAL) {
201 printf("%s: Server %s failed to start (unexpectedly "
202 "terminated)\n", NAME, path);
203 return EINVAL;
204 }
205
206 if (retval != 0)
207 printf("%s: Server %s failed to start (exit code %d)\n", NAME,
208 path, retval);
209
210 return retval;
211}
212
213static int console(const char *isvc, const char *osvc)
214{
215 /* Wait for the input service to be ready */
216 service_id_t service_id;
217 int rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
218 if (rc != EOK) {
219 printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
220 str_error(rc));
221 return rc;
222 }
223
224 /* Wait for the output service to be ready */
225 rc = loc_service_get_id(osvc, &service_id, IPC_FLAG_BLOCKING);
226 if (rc != EOK) {
227 printf("%s: Error waiting on %s (%s)\n", NAME, osvc,
228 str_error(rc));
229 return rc;
230 }
231
232 return srv_start(SRV_CONSOLE, isvc, osvc);
233}
234
235static int compositor(const char *isvc, const char *name)
236{
237 /* Wait for the input service to be ready */
238 service_id_t service_id;
239 int rc = loc_service_get_id(isvc, &service_id, IPC_FLAG_BLOCKING);
240 if (rc != EOK) {
241 printf("%s: Error waiting on %s (%s)\n", NAME, isvc,
242 str_error(rc));
243 return rc;
244 }
245
246 return srv_start(SRV_COMPOSITOR, isvc, name);
247}
248
249static int gui_start(const char *app, const char *srv_name)
250{
251 char winreg[50];
252 snprintf(winreg, sizeof(winreg), "%s%s%s", "comp", srv_name, "/winreg");
253
254 printf("%s: Spawning %s %s\n", NAME, app, winreg);
255
256 task_id_t id;
257 task_wait_t wait;
258 int rc = task_spawnl(&id, &wait, app, app, winreg, NULL);
259 if (rc != EOK) {
260 printf("%s: Error spawning %s %s (%s)\n", NAME, app,
261 winreg, str_error(rc));
262 return -1;
263 }
264
265 task_exit_t texit;
266 int retval;
267 rc = task_wait(&wait, &texit, &retval);
268 if ((rc != EOK) || (texit != TASK_EXIT_NORMAL)) {
269 printf("%s: Error retrieving retval from %s (%s)\n", NAME,
270 app, str_error(rc));
271 return -1;
272 }
273
274 return retval;
275}
276
277static void getterm(const char *svc, const char *app, bool msg)
278{
279 if (msg) {
280 printf("%s: Spawning %s %s %s --msg --wait -- %s\n", NAME,
281 APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
282
283 int rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
284 LOCFS_MOUNT_POINT, "--msg", "--wait", "--", app, NULL);
285 if (rc != EOK)
286 printf("%s: Error spawning %s %s %s --msg --wait -- %s\n",
287 NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
288 } else {
289 printf("%s: Spawning %s %s %s --wait -- %s\n", NAME,
290 APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
291
292 int rc = task_spawnl(NULL, NULL, APP_GETTERM, APP_GETTERM, svc,
293 LOCFS_MOUNT_POINT, "--wait", "--", app, NULL);
294 if (rc != EOK)
295 printf("%s: Error spawning %s %s %s --wait -- %s\n",
296 NAME, APP_GETTERM, svc, LOCFS_MOUNT_POINT, app);
297 }
298}
299
300static bool mount_tmpfs(void)
301{
302 int rc = vfs_mount(TMPFS_FS_TYPE, TMPFS_MOUNT_POINT, "", "", 0, 0);
303 return mount_report("Temporary filesystem", TMPFS_MOUNT_POINT,
304 TMPFS_FS_TYPE, NULL, rc);
305}
306
307int main(int argc, char *argv[])
308{
309 int rc;
310
311 info_print();
312
313 if (!mount_root(STRING(RDFMT))) {
314 printf("%s: Exiting\n", NAME);
315 return 1;
316 }
317
318 /* Make sure tmpfs is running. */
319 if (str_cmp(STRING(RDFMT), "tmpfs") != 0)
320 srv_start("/srv/tmpfs");
321
322 srv_start("/srv/klog");
323 srv_start("/srv/locfs");
324 srv_start("/srv/taskmon");
325
326 if (!mount_locfs()) {
327 printf("%s: Exiting\n", NAME);
328 return 2;
329 }
330
331 mount_tmpfs();
332
333 srv_start("/srv/devman");
334 srv_start("/srv/apic");
335 srv_start("/srv/i8259");
336 srv_start("/srv/icp-ic");
337 srv_start("/srv/obio");
338 srv_start("/srv/cuda_adb");
339 srv_start("/srv/s3c24xx_uart");
340 srv_start("/srv/s3c24xx_ts");
341
342 srv_start("/srv/vbd");
343 srv_start("/srv/volsrv");
344
345 srv_start("/srv/loopip");
346 srv_start("/srv/ethip");
347 srv_start("/srv/inetsrv");
348 srv_start("/srv/tcp");
349 srv_start("/srv/udp");
350 srv_start("/srv/dnsrsrv");
351 srv_start("/srv/dhcp");
352 srv_start("/srv/nconfsrv");
353
354 srv_start("/srv/clipboard");
355 srv_start("/srv/remcons");
356
357 srv_start("/srv/input", HID_INPUT);
358 srv_start("/srv/output", HID_OUTPUT);
359 srv_start("/srv/hound");
360
361 if (!config_key_exists("console")) {
362 rc = compositor(HID_INPUT, HID_COMPOSITOR_SERVER);
363 if (rc == EOK) {
364 gui_start("/app/barber", HID_COMPOSITOR_SERVER);
365 gui_start("/app/vlaunch", HID_COMPOSITOR_SERVER);
366 gui_start("/app/vterm", HID_COMPOSITOR_SERVER);
367 }
368 }
369
370 rc = console(HID_INPUT, HID_OUTPUT);
371 if (rc == EOK) {
372 getterm("term/vc0", "/app/bdsh", true);
373 getterm("term/vc1", "/app/bdsh", false);
374 getterm("term/vc2", "/app/bdsh", false);
375 getterm("term/vc3", "/app/bdsh", false);
376 getterm("term/vc4", "/app/bdsh", false);
377 getterm("term/vc5", "/app/bdsh", false);
378 }
379
380 return 0;
381}
382
383/** @}
384 */
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