source: mainline/uspace/app/init/init.c@ 94c0dcbd

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 94c0dcbd was 969585f, checked in by Vojtech Horky <vojtechhorky@…>, 15 years ago

Merge mainline changes
  • Property mode set to 100644
File size: 7.9 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 <vfs/vfs.h>
40#include <bool.h>
41#include <errno.h>
42#include <fcntl.h>
43#include <sys/stat.h>
44#include <task.h>
45#include <malloc.h>
46#include <macros.h>
47#include <str.h>
48#include <devmap.h>
49#include <str_error.h>
50#include "init.h"
51
52#define ROOT_DEVICE "bd/initrd"
53#define ROOT_MOUNT_POINT "/"
54
55#define DEVFS_FS_TYPE "devfs"
56#define DEVFS_MOUNT_POINT "/dev"
57
58#define TMPFS_FS_TYPE "tmpfs"
59#define TMPFS_MOUNT_POINT "/tmp"
60
61#define DATA_FS_TYPE "fat"
62#define DATA_DEVICE "bd/ata1disk0"
63#define DATA_MOUNT_POINT "/data"
64
65#define SRV_CONSOLE "/srv/console"
66#define APP_GETTERM "/app/getterm"
67
68static void info_print(void)
69{
70 printf("%s: HelenOS init\n", NAME);
71}
72
73static bool mount_report(const char *desc, const char *mntpt,
74 const char *fstype, const char *dev, int rc)
75{
76 switch (rc) {
77 case EOK:
78 if (dev != NULL)
79 printf("%s: %s mounted on %s (%s at %s)\n", NAME, desc, mntpt,
80 fstype, dev);
81 else
82 printf("%s: %s mounted on %s (%s)\n", NAME, desc, mntpt, fstype);
83 break;
84 case EBUSY:
85 printf("%s: %s already mounted on %s\n", NAME, desc, mntpt);
86 return false;
87 case ELIMIT:
88 printf("%s: %s limit exceeded\n", NAME, desc);
89 return false;
90 case ENOENT:
91 printf("%s: %s unknown type (%s)\n", NAME, desc, fstype);
92 return false;
93 default:
94 printf("%s: %s not mounted on %s (%s)\n", NAME, desc, mntpt,
95 str_error(rc));
96 return false;
97 }
98
99 return true;
100}
101
102static bool mount_root(const char *fstype)
103{
104 const char *opts = "";
105
106 if (str_cmp(fstype, "tmpfs") == 0)
107 opts = "restore";
108
109 int rc = mount(fstype, ROOT_MOUNT_POINT, ROOT_DEVICE, opts,
110 IPC_FLAG_BLOCKING);
111 return mount_report("Root filesystem", ROOT_MOUNT_POINT, fstype,
112 ROOT_DEVICE, rc);
113}
114
115static bool mount_devfs(void)
116{
117 int rc = mount(DEVFS_FS_TYPE, DEVFS_MOUNT_POINT, "", "",
118 IPC_FLAG_BLOCKING);
119 return mount_report("Device filesystem", DEVFS_MOUNT_POINT, DEVFS_FS_TYPE,
120 NULL, rc);
121}
122
123static void spawn(const char *fname)
124{
125 int rc;
126 struct stat s;
127
128 if (stat(fname, &s) == ENOENT)
129 return;
130
131 printf("%s: Spawning %s\n", NAME, fname);
132 rc = task_spawnl(NULL, fname, fname, NULL);
133 if (rc != EOK) {
134 printf("%s: Error spawning %s (%s)\n", NAME, fname,
135 str_error(rc));
136 }
137}
138
139static void srv_start(const char *fname)
140{
141 task_id_t id;
142 task_exit_t texit;
143 int rc, retval;
144 struct stat s;
145
146 if (stat(fname, &s) == ENOENT)
147 return;
148
149 printf("%s: Starting %s\n", NAME, fname);
150 rc = task_spawnl(&id, fname, fname, NULL);
151 if (!id) {
152 printf("%s: Error spawning %s (%s)\n", NAME, fname,
153 str_error(rc));
154 return;
155 }
156
157 rc = task_wait(id, &texit, &retval);
158 if (rc != EOK) {
159 printf("%s: Error waiting for %s (%s(\n", NAME, fname,
160 str_error(rc));
161 return;
162 }
163
164 if (texit != TASK_EXIT_NORMAL) {
165 printf("%s: Server %s failed to start (unexpectedly "
166 "terminated)\n", NAME, fname);
167 return;
168 }
169
170 if (retval != 0) {
171 printf("%s: Server %s failed to start (exit code %d)\n", NAME,
172 fname, retval);
173 }
174}
175
176static void console(const char *dev)
177{
178 char hid_in[DEVMAP_NAME_MAXLEN];
179 int rc;
180
181 snprintf(hid_in, DEVMAP_NAME_MAXLEN, "%s/%s", DEVFS_MOUNT_POINT, dev);
182
183 printf("%s: Spawning %s %s\n", NAME, SRV_CONSOLE, hid_in);
184
185 /* Wait for the input device to be ready */
186 devmap_handle_t handle;
187 rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
188 if (rc != EOK) {
189 printf("%s: Error waiting on %s (%s)\n", NAME, hid_in,
190 str_error(rc));
191 return;
192 }
193
194 rc = task_spawnl(NULL, SRV_CONSOLE, SRV_CONSOLE, hid_in, NULL);
195 if (rc != EOK) {
196 printf("%s: Error spawning %s %s (%s)\n", NAME, SRV_CONSOLE,
197 hid_in, str_error(rc));
198 }
199}
200
201static void getterm(const char *dev, const char *app, bool wmsg)
202{
203 char term[DEVMAP_NAME_MAXLEN];
204 int rc;
205
206 snprintf(term, DEVMAP_NAME_MAXLEN, "%s/%s", DEVFS_MOUNT_POINT, dev);
207
208 printf("%s: Spawning %s %s %s\n", NAME, APP_GETTERM, term, app);
209
210 /* Wait for the terminal device to be ready */
211 devmap_handle_t handle;
212 rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
213 if (rc != EOK) {
214 printf("%s: Error waiting on %s (%s)\n", NAME, term,
215 str_error(rc));
216 return;
217 }
218
219 if (wmsg) {
220 rc = task_spawnl(NULL, APP_GETTERM, APP_GETTERM, "-w", term,
221 app, NULL);
222 if (rc != EOK) {
223 printf("%s: Error spawning %s -w %s %s (%s)\n", NAME,
224 APP_GETTERM, term, app, str_error(rc));
225 }
226 } else {
227 rc = task_spawnl(NULL, APP_GETTERM, APP_GETTERM, term, app,
228 NULL);
229 if (rc != EOK) {
230 printf("%s: Error spawning %s %s %s (%s)\n", NAME,
231 APP_GETTERM, term, app, str_error(rc));
232 }
233 }
234}
235
236static bool mount_tmpfs(void)
237{
238 int rc = mount(TMPFS_FS_TYPE, TMPFS_MOUNT_POINT, "", "", 0);
239 return mount_report("Temporary filesystem", TMPFS_MOUNT_POINT,
240 TMPFS_FS_TYPE, NULL, rc);
241}
242
243static bool mount_data(void)
244{
245 int rc = mount(DATA_FS_TYPE, DATA_MOUNT_POINT, DATA_DEVICE, "wtcache", 0);
246 return mount_report("Data filesystem", DATA_MOUNT_POINT, DATA_FS_TYPE,
247 DATA_DEVICE, rc);
248}
249
250int main(int argc, char *argv[])
251{
252 info_print();
253
254 if (!mount_root(STRING(RDFMT))) {
255 printf("%s: Exiting\n", NAME);
256 return -1;
257 }
258
259 /* Make sure tmpfs is running. */
260 if (str_cmp(STRING(RDFMT), "tmpfs") != 0) {
261 spawn("/srv/tmpfs");
262 }
263
264 spawn("/srv/devfs");
265 spawn("/srv/taskmon");
266
267 if (!mount_devfs()) {
268 printf("%s: Exiting\n", NAME);
269 return -2;
270 }
271
272 mount_tmpfs();
273
274 spawn("/srv/apic");
275 spawn("/srv/i8259");
276 spawn("/srv/fhc");
277 spawn("/srv/obio");
278 srv_start("/srv/cuda_adb");
279 srv_start("/srv/i8042");
280 srv_start("/srv/s3c24ser");
281 srv_start("/srv/adb_ms");
282 srv_start("/srv/char_ms");
283 srv_start("/srv/s3c24ts");
284
285 spawn("/srv/fb");
286 spawn("/srv/kbd");
287 console("hid_in/kbd");
288
289 spawn("/srv/clip");
290
291 /*
292 * Start these synchronously so that mount_data() can be
293 * non-blocking.
294 */
295#ifdef CONFIG_START_BD
296 srv_start("/srv/ata_bd");
297 srv_start("/srv/gxe_bd");
298#else
299 (void) srv_start;
300#endif
301
302#ifdef CONFIG_MOUNT_DATA
303 mount_data();
304#else
305 (void) mount_data;
306#endif
307
308 getterm("term/vc0", "/app/bdsh", true);
309 getterm("term/vc1", "/app/bdsh", false);
310 getterm("term/vc2", "/app/bdsh", false);
311 getterm("term/vc3", "/app/bdsh", false);
312 getterm("term/vc4", "/app/bdsh", false);
313 getterm("term/vc5", "/app/bdsh", false);
314 getterm("term/vc6", "/app/klog", false);
315
316#ifdef CONFIG_START_DEVMAN
317
318#ifdef CONFIG_DEVMAN_EARLY_LAUNCH
319 spawn("/srv/devman");
320#else
321 getterm("term/vc7", "/srv/devman", false);
322#endif
323
324#endif
325
326 return 0;
327}
328
329/** @}
330 */
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