source: mainline/uspace/app/init/init.c@ df747bd8

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since df747bd8 was df747bd8, checked in by Martin Decky <martin@…>, 16 years ago

rename getvc to getterm, as the new name is more suitable for the generic nature of the binary
(virtual consoles are hopefully going to be accompanied by other terminal-like devices soon)
  • Property mode set to 100644
File size: 6.7 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 <ipc/ipc.h>
40#include <vfs/vfs.h>
41#include <bool.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 <string.h>
49#include <devmap.h>
50#include "init.h"
51
52#define DEVFS_MOUNT_POINT "/dev"
53
54#define SRV_CONSOLE "/srv/console"
55#define APP_GETTERM "/app/getterm"
56
57static void info_print(void)
58{
59 printf(NAME ": HelenOS init\n");
60}
61
62static bool mount_root(const char *fstype)
63{
64 char *opts = "";
65 const char *root_dev = "bd/initrd";
66
67 if (str_cmp(fstype, "tmpfs") == 0)
68 opts = "restore";
69
70 int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
71
72 switch (rc) {
73 case EOK:
74 printf(NAME ": Root filesystem mounted, %s at %s\n",
75 fstype, root_dev);
76 break;
77 case EBUSY:
78 printf(NAME ": Root filesystem already mounted\n");
79 return false;
80 case ELIMIT:
81 printf(NAME ": Unable to mount root filesystem\n");
82 return false;
83 case ENOENT:
84 printf(NAME ": Unknown filesystem type (%s)\n", fstype);
85 return false;
86 default:
87 printf(NAME ": Error mounting root filesystem (%d)\n", rc);
88 return false;
89 }
90
91 return true;
92}
93
94static bool mount_devfs(void)
95{
96 char null[MAX_DEVICE_NAME];
97 int null_id = devmap_null_create();
98
99 if (null_id == -1) {
100 printf(NAME ": Unable to create null device\n");
101 return false;
102 }
103
104 snprintf(null, MAX_DEVICE_NAME, "null/%d", null_id);
105 int rc = mount("devfs", DEVFS_MOUNT_POINT, null, "", IPC_FLAG_BLOCKING);
106
107 switch (rc) {
108 case EOK:
109 printf(NAME ": Device filesystem mounted\n");
110 break;
111 case EBUSY:
112 printf(NAME ": Device filesystem already mounted\n");
113 devmap_null_destroy(null_id);
114 return false;
115 case ELIMIT:
116 printf(NAME ": Unable to mount device filesystem\n");
117 devmap_null_destroy(null_id);
118 return false;
119 case ENOENT:
120 printf(NAME ": Unknown filesystem type (devfs)\n");
121 devmap_null_destroy(null_id);
122 return false;
123 default:
124 printf(NAME ": Error mounting device filesystem (%d)\n", rc);
125 devmap_null_destroy(null_id);
126 return false;
127 }
128
129 return true;
130}
131
132static void spawn(char *fname)
133{
134 char *argv[2];
135 struct stat s;
136
137 if (stat(fname, &s) == ENOENT)
138 return;
139
140 printf(NAME ": Spawning %s\n", fname);
141
142 argv[0] = fname;
143 argv[1] = NULL;
144
145 if (!task_spawn(fname, argv))
146 printf(NAME ": Error spawning %s\n", fname);
147}
148
149static void srv_start(char *fname)
150{
151 char *argv[2];
152 task_id_t id;
153 task_exit_t texit;
154 int rc, retval;
155 struct stat s;
156
157 if (stat(fname, &s) == ENOENT)
158 return;
159
160 printf(NAME ": Starting %s\n", fname);
161
162 argv[0] = fname;
163 argv[1] = NULL;
164
165 id = task_spawn(fname, argv);
166 if (!id) {
167 printf(NAME ": Error spawning %s\n", fname);
168 return;
169 }
170
171 rc = task_wait(id, &texit, &retval);
172 if (rc != EOK) {
173 printf(NAME ": Error waiting for %s\n", fname);
174 return;
175 }
176
177 if ((texit != TASK_EXIT_NORMAL) || (retval != 0)) {
178 printf(NAME ": Server %s failed to start (returned %d)\n",
179 fname, retval);
180 }
181}
182
183static void console(char *dev)
184{
185 char *argv[3];
186 char hid_in[MAX_DEVICE_NAME];
187 int rc;
188
189 snprintf(hid_in, MAX_DEVICE_NAME, "%s/%s", DEVFS_MOUNT_POINT, dev);
190
191 printf(NAME ": Spawning %s with %s\n", SRV_CONSOLE, hid_in);
192
193 /* Wait for the input device to be ready */
194 dev_handle_t handle;
195 rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
196
197 if (rc == EOK) {
198 argv[0] = SRV_CONSOLE;
199 argv[1] = hid_in;
200 argv[2] = NULL;
201
202 if (!task_spawn(SRV_CONSOLE, argv))
203 printf(NAME ": Error spawning %s with %s\n", SRV_CONSOLE, hid_in);
204 } else
205 printf(NAME ": Error waiting on %s\n", hid_in);
206}
207
208static void getterm(char *dev, char *app)
209{
210 char *argv[4];
211 char term[MAX_DEVICE_NAME];
212 int rc;
213
214 snprintf(term, MAX_DEVICE_NAME, "%s/%s", DEVFS_MOUNT_POINT, dev);
215
216 printf(NAME ": Spawning %s with %s\n", APP_GETTERM, term);
217
218 /* Wait for the terminal device to be ready */
219 dev_handle_t handle;
220 rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
221
222 if (rc == EOK) {
223 argv[0] = APP_GETTERM;
224 argv[1] = term;
225 argv[2] = app;
226 argv[3] = NULL;
227
228 if (!task_spawn(APP_GETTERM, argv))
229 printf(NAME ": Error spawning %s with %s\n", APP_GETTERM, term);
230 } else
231 printf(NAME ": Error waiting on %s\n", term);
232}
233
234static void mount_data(void)
235{
236 int rc;
237
238 printf("Trying to mount bd/disk0 on /data... ");
239 fflush(stdout);
240
241 rc = mount("fat", "/data", "bd/disk0", "wtcache", 0);
242 if (rc == EOK)
243 printf("OK\n");
244 else
245 printf("Failed\n");
246}
247
248int main(int argc, char *argv[])
249{
250 info_print();
251
252 if (!mount_root(STRING(RDFMT))) {
253 printf(NAME ": Exiting\n");
254 return -1;
255 }
256
257 spawn("/srv/devfs");
258
259 if (!mount_devfs()) {
260 printf(NAME ": Exiting\n");
261 return -2;
262 }
263
264 spawn("/srv/fb");
265 spawn("/srv/kbd");
266 console("hid_in/kbd");
267
268 spawn("/srv/clip");
269 spawn("/srv/fhc");
270 spawn("/srv/obio");
271
272 /*
273 * Start these synchronously so that mount_data() can be
274 * non-blocking.
275 */
276#ifdef CONFIG_START_BD
277 srv_start("/srv/ata_bd");
278 srv_start("/srv/gxe_bd");
279#else
280 (void) srv_start;
281#endif
282
283#ifdef CONFIG_MOUNT_DATA
284 mount_data();
285#else
286 (void) mount_data;
287#endif
288
289 getterm("term/vc0", "/app/bdsh");
290 getterm("term/vc1", "/app/bdsh");
291 getterm("term/vc2", "/app/bdsh");
292 getterm("term/vc3", "/app/bdsh");
293 getterm("term/vc4", "/app/bdsh");
294 getterm("term/vc5", "/app/bdsh");
295 getterm("term/vc6", "/app/klog");
296
297 return 0;
298}
299
300/** @}
301 */
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