WebSVN – HelenOS – Diff – /trunk/uspace/app/init/init.c


/*
 * 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 Init
 * @brief Init process for user space environment configuration.
 * @{
 */
/**
 * @file
 */
 
#include <stdio.h>
#include <unistd.h>
#include <ipc/ipc.h>
#include <vfs/vfs.h>
#include <bool.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <task.h>
#include <malloc.h>
#include <macros.h>
#include <string.h>
#include <devmap.h>
#include <config.h>
#include "init.h"
 
static void info_print(void)
{
    printf(NAME ": HelenOS init\n");
}
 
static bool mount_root(const char *fstype)
{
    char *opts = "";
    const char *root_dev = "initrd";
   
    if (str_cmp(fstype, "tmpfs") == 0)
        opts = "restore";
   
    int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
   
    switch (rc) {
    case EOK:
        printf(NAME ": Root filesystem mounted, %s at %s\n",
            fstype, root_dev);
        break;
    case EBUSY:
        printf(NAME ": Root filesystem already mounted\n");
        return false;
    case ELIMIT:
        printf(NAME ": Unable to mount root filesystem\n");
        return false;
    case ENOENT:
        printf(NAME ": Unknown filesystem type (%s)\n", fstype);
        return false;
    default:
        printf(NAME ": Error mounting root filesystem (%d)\n", rc);
        return false;
    }
   
    return true;
}
 
static bool mount_devfs(void)
{
    char null[MAX_DEVICE_NAME];
    int null_id = devmap_null_create();
   
    if (null_id == -1) {
        printf(NAME ": Unable to create null device\n");
        return false;
    }
   
    snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
    int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);
   
    switch (rc) {
    case EOK:
        printf(NAME ": Device filesystem mounted\n");
        break;
    case EBUSY:
        printf(NAME ": Device filesystem already mounted\n");
        devmap_null_destroy(null_id);
        return false;
    case ELIMIT:
        printf(NAME ": Unable to mount device filesystem\n");
        devmap_null_destroy(null_id);
        return false;
    case ENOENT:
        printf(NAME ": Unknown filesystem type (devfs)\n");
        devmap_null_destroy(null_id);
        return false;
    default:
        printf(NAME ": Error mounting device filesystem (%d)\n", rc);
        devmap_null_destroy(null_id);
        return false;
    }
   
    return true;
}
 
static void spawn(char *fname)
{
    char *argv[2];
    struct stat s;
   
    if (stat(fname, &s) == ENOENT)
        return;
   
    printf(NAME ": Spawning %s\n", fname);
   
    argv[0] = fname;
    argv[1] = NULL;
   
    if (!task_spawn(fname, argv))
        printf(NAME ": Error spawning %s\n", fname);
}
 
static void srv_start(char *fname)
{
    char *argv[2];
    task_id_t id;
    task_exit_t texit;
    int rc, retval;
    struct stat s;
   
    if (stat(fname, &s) == ENOENT)
        return;
   
    printf(NAME ": Starting %s\n", fname);
   
    argv[0] = fname;
    argv[1] = NULL;
   
    id = task_spawn(fname, argv);
    if (!id) {
        printf(NAME ": Error spawning %s\n", fname);
        return;
    }
 
    rc = task_wait(id, &texit, &retval);
    if (rc != EOK) {
        printf(NAME ": Error waiting for %s\n", fname);
        return;
    }
 
    if (texit != TASK_EXIT_NORMAL || retval != 0) {
        printf(NAME ": Server %s failed to start (returned %d)\n",
            fname, retval);
    }
}
 
static void getvc(char *dev, char *app)
{
    char *argv[4];
    char vc[MAX_DEVICE_NAME];
    int rc;
   
    snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
   
    printf(NAME ": Spawning getvc on %s\n", vc);
   
    dev_handle_t handle;
    rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
   
    if (rc == EOK) {
        argv[0] = "/app/getvc";
        argv[1] = vc;
        argv[2] = app;
        argv[3] = NULL;
       
        if (!task_spawn("/app/getvc", argv))
            printf(NAME ": Error spawning getvc on %s\n", vc);
    } else {
        printf(NAME ": Error waiting on %s\n", vc);
    }
}
 
void mount_data(void)
{
    int rc;
 
    printf("Trying to mount disk0 on /data... ");
    fflush(stdout);
 
    rc = mount("fat", "/data", "disk0", "wtcache", 0);
    if (rc == EOK)
        printf("OK\n");
    else
        printf("Failed\n");
}
 
int main(int argc, char *argv[])
{
    info_print();
   
    if (!mount_root(STRING(RDFMT))) {
        printf(NAME ": Exiting\n");
        return -1;
    }
   
    spawn("/srv/devfs");
   
    if (!mount_devfs()) {
        printf(NAME ": Exiting\n");
        return -2;
    }
   
    spawn("/srv/fb");
    spawn("/srv/kbd");
    spawn("/srv/console");
    spawn("/srv/fhc");
    spawn("/srv/obio");
 
    /*
     * Start these synchronously so that mount_data() can be
     * non-blocking.
     */
#ifdef CONFIG_START_BD
    srv_start("/srv/ata_bd");
    srv_start("/srv/gxe_bd");
#endif  
#ifdef CONFIG_MOUNT_DATA
    mount_data();
#endif
 
    getvc("vc0", "/app/bdsh");
    getvc("vc1", "/app/bdsh");
    getvc("vc2", "/app/bdsh");
    getvc("vc3", "/app/bdsh");
    getvc("vc4", "/app/bdsh");
    getvc("vc5", "/app/bdsh");
    getvc("vc6", "/app/klog");
   
    return 0;
}
 
/** @}
 */
 

Rev 4622	Rev 4662
1	/*	1	/*
2	* Copyright (c) 2005 Martin Decky	2	* Copyright (c) 2005 Martin Decky
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	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	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.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	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	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	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	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	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	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.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup init Init	29	/** @addtogroup init Init
30	* @brief Init process for user space environment configuration.	30	* @brief Init process for user space environment configuration.
31	* @{	31	* @{
32	*/	32	*/
33	/**	33	/**
34	* @file	34	* @file
35	*/	35	*/
36		36
37	#include <stdio.h>	37	#include <stdio.h>
38	#include <unistd.h>	38	#include <unistd.h>
39	#include <ipc/ipc.h>	39	#include <ipc/ipc.h>
40	#include <vfs/vfs.h>	40	#include <vfs/vfs.h>
41	#include <bool.h>	41	#include <bool.h>
42	#include <errno.h>	42	#include <errno.h>
43	#include <fcntl.h>	43	#include <fcntl.h>
44	#include <sys/stat.h>	44	#include <sys/stat.h>
45	#include <task.h>	45	#include <task.h>
46	#include <malloc.h>	46	#include <malloc.h>
47	#include <macros.h>	47	#include <macros.h>
48	#include <string.h>	48	#include <string.h>
49	#include <devmap.h>	49	#include <devmap.h>
-		50	#include <config.h>
50	#include "init.h"	51	#include "init.h"
51		52
52	static void info_print(void)	53	static void info_print(void)
53	{	54	{
54	printf(NAME ": HelenOS init\n");	55	printf(NAME ": HelenOS init\n");
55	}	56	}
56		57
57	static bool mount_root(const char *fstype)	58	static bool mount_root(const char *fstype)
58	{	59	{
59	char *opts = "";	60	char *opts = "";
60	const char *root_dev = "initrd";	61	const char *root_dev = "initrd";
61		62
62	if (str_cmp(fstype, "tmpfs") == 0)	63	if (str_cmp(fstype, "tmpfs") == 0)
63	opts = "restore";	64	opts = "restore";
64		65
65	int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);	66	int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
66		67
67	switch (rc) {	68	switch (rc) {
68	case EOK:	69	case EOK:
69	printf(NAME ": Root filesystem mounted, %s at %s\n",	70	printf(NAME ": Root filesystem mounted, %s at %s\n",
70	fstype, root_dev);	71	fstype, root_dev);
71	break;	72	break;
72	case EBUSY:	73	case EBUSY:
73	printf(NAME ": Root filesystem already mounted\n");	74	printf(NAME ": Root filesystem already mounted\n");
74	return false;	75	return false;
75	case ELIMIT:	76	case ELIMIT:
76	printf(NAME ": Unable to mount root filesystem\n");	77	printf(NAME ": Unable to mount root filesystem\n");
77	return false;	78	return false;
78	case ENOENT:	79	case ENOENT:
79	printf(NAME ": Unknown filesystem type (%s)\n", fstype);	80	printf(NAME ": Unknown filesystem type (%s)\n", fstype);
80	return false;	81	return false;
81	default:	82	default:
82	printf(NAME ": Error mounting root filesystem (%d)\n", rc);	83	printf(NAME ": Error mounting root filesystem (%d)\n", rc);
83	return false;	84	return false;
84	}	85	}
85		86
86	return true;	87	return true;
87	}	88	}
88		89
89	static bool mount_devfs(void)	90	static bool mount_devfs(void)
90	{	91	{
91	char null[MAX_DEVICE_NAME];	92	char null[MAX_DEVICE_NAME];
92	int null_id = devmap_null_create();	93	int null_id = devmap_null_create();
93		94
94	if (null_id == -1) {	95	if (null_id == -1) {
95	printf(NAME ": Unable to create null device\n");	96	printf(NAME ": Unable to create null device\n");
96	return false;	97	return false;
97	}	98	}
98		99
99	snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);	100	snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
100	int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);	101	int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);
101		102
102	switch (rc) {	103	switch (rc) {
103	case EOK:	104	case EOK:
104	printf(NAME ": Device filesystem mounted\n");	105	printf(NAME ": Device filesystem mounted\n");
105	break;	106	break;
106	case EBUSY:	107	case EBUSY:
107	printf(NAME ": Device filesystem already mounted\n");	108	printf(NAME ": Device filesystem already mounted\n");
108	devmap_null_destroy(null_id);	109	devmap_null_destroy(null_id);
109	return false;	110	return false;
110	case ELIMIT:	111	case ELIMIT:
111	printf(NAME ": Unable to mount device filesystem\n");	112	printf(NAME ": Unable to mount device filesystem\n");
112	devmap_null_destroy(null_id);	113	devmap_null_destroy(null_id);
113	return false;	114	return false;
114	case ENOENT:	115	case ENOENT:
115	printf(NAME ": Unknown filesystem type (devfs)\n");	116	printf(NAME ": Unknown filesystem type (devfs)\n");
116	devmap_null_destroy(null_id);	117	devmap_null_destroy(null_id);
117	return false;	118	return false;
118	default:	119	default:
119	printf(NAME ": Error mounting device filesystem (%d)\n", rc);	120	printf(NAME ": Error mounting device filesystem (%d)\n", rc);
120	devmap_null_destroy(null_id);	121	devmap_null_destroy(null_id);
121	return false;	122	return false;
122	}	123	}
123		124
124	return true;	125	return true;
125	}	126	}
126		127
127	static void spawn(char *fname)	128	static void spawn(char *fname)
128	{	129	{
129	char *argv[2];	130	char *argv[2];
130	struct stat s;	131	struct stat s;
131		132
132	if (stat(fname, &s) == ENOENT)	133	if (stat(fname, &s) == ENOENT)
133	return;	134	return;
134		135
135	printf(NAME ": Spawning %s\n", fname);	136	printf(NAME ": Spawning %s\n", fname);
136		137
137	argv[0] = fname;	138	argv[0] = fname;
138	argv[1] = NULL;	139	argv[1] = NULL;
139		140
140	if (!task_spawn(fname, argv))	141	if (!task_spawn(fname, argv))
141	printf(NAME ": Error spawning %s\n", fname);	142	printf(NAME ": Error spawning %s\n", fname);
142	}	143	}
143		144
144	static void srv_start(char *fname)	145	static void srv_start(char *fname)
145	{	146	{
146	char *argv[2];	147	char *argv[2];
147	task_id_t id;	148	task_id_t id;
148	task_exit_t texit;	149	task_exit_t texit;
149	int rc, retval;	150	int rc, retval;
150	struct stat s;	151	struct stat s;
151		152
152	if (stat(fname, &s) == ENOENT)	153	if (stat(fname, &s) == ENOENT)
153	return;	154	return;
154		155
155	printf(NAME ": Starting %s\n", fname);	156	printf(NAME ": Starting %s\n", fname);
156		157
157	argv[0] = fname;	158	argv[0] = fname;
158	argv[1] = NULL;	159	argv[1] = NULL;
159		160
160	id = task_spawn(fname, argv);	161	id = task_spawn(fname, argv);
161	if (!id) {	162	if (!id) {
162	printf(NAME ": Error spawning %s\n", fname);	163	printf(NAME ": Error spawning %s\n", fname);
163	return;	164	return;
164	}	165	}
165		166
166	rc = task_wait(id, &texit, &retval);	167	rc = task_wait(id, &texit, &retval);
167	if (rc != EOK) {	168	if (rc != EOK) {
168	printf(NAME ": Error waiting for %s\n", fname);	169	printf(NAME ": Error waiting for %s\n", fname);
169	return;	170	return;
170	}	171	}
171		172
172	if (texit != TASK_EXIT_NORMAL \|\| retval != 0) {	173	if (texit != TASK_EXIT_NORMAL \|\| retval != 0) {
173	printf(NAME ": Server %s failed to start (returned %d)\n",	174	printf(NAME ": Server %s failed to start (returned %d)\n",
174	fname, retval);	175	fname, retval);
175	}	176	}
176	}	177	}
177		178
178	static void getvc(char dev, char app)	179	static void getvc(char dev, char app)
179	{	180	{
180	char *argv[4];	181	char *argv[4];
181	char vc[MAX_DEVICE_NAME];	182	char vc[MAX_DEVICE_NAME];
182	int rc;	183	int rc;
183		184
184	snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);	185	snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
185		186
186	printf(NAME ": Spawning getvc on %s\n", vc);	187	printf(NAME ": Spawning getvc on %s\n", vc);
187		188
188	dev_handle_t handle;	189	dev_handle_t handle;
189	rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);	190	rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
190		191
191	if (rc == EOK) {	192	if (rc == EOK) {
192	argv[0] = "/app/getvc";	193	argv[0] = "/app/getvc";
193	argv[1] = vc;	194	argv[1] = vc;
194	argv[2] = app;	195	argv[2] = app;
195	argv[3] = NULL;	196	argv[3] = NULL;
196		197
197	if (!task_spawn("/app/getvc", argv))	198	if (!task_spawn("/app/getvc", argv))
198	printf(NAME ": Error spawning getvc on %s\n", vc);	199	printf(NAME ": Error spawning getvc on %s\n", vc);
199	} else {	200	} else {
200	printf(NAME ": Error waiting on %s\n", vc);	201	printf(NAME ": Error waiting on %s\n", vc);
201	}	202	}
202	}	203	}
203		204
204	void mount_data(void)	205	void mount_data(void)
205	{	206	{
206	int rc;	207	int rc;
207		208
208	printf("Trying to mount disk0 on /data... ");	209	printf("Trying to mount disk0 on /data... ");
209	fflush(stdout);	210	fflush(stdout);
210		211
211	rc = mount("fat", "/data", "disk0", "wtcache", 0);	212	rc = mount("fat", "/data", "disk0", "wtcache", 0);
212	if (rc == EOK)	213	if (rc == EOK)
213	printf("OK\n");	214	printf("OK\n");
214	else	215	else
215	printf("Failed\n");	216	printf("Failed\n");
216	}	217	}
217		218
218	int main(int argc, char *argv[])	219	int main(int argc, char *argv[])
219	{	220	{
220	info_print();	221	info_print();
221		222
222	if (!mount_root(STRING(RDFMT))) {	223	if (!mount_root(STRING(RDFMT))) {
223	printf(NAME ": Exiting\n");	224	printf(NAME ": Exiting\n");
224	return -1;	225	return -1;
225	}	226	}
226		227
227	spawn("/srv/devfs");	228	spawn("/srv/devfs");
228		229
229	if (!mount_devfs()) {	230	if (!mount_devfs()) {
230	printf(NAME ": Exiting\n");	231	printf(NAME ": Exiting\n");
231	return -2;	232	return -2;
232	}	233	}
233		234
234	spawn("/srv/fb");	235	spawn("/srv/fb");
235	spawn("/srv/kbd");	236	spawn("/srv/kbd");
236	spawn("/srv/console");	237	spawn("/srv/console");
237	spawn("/srv/fhc");	238	spawn("/srv/fhc");
238	spawn("/srv/obio");	239	spawn("/srv/obio");
239		240
240	/*	241	/*
241	* Start these synchronously so that mount_data() can be	242	* Start these synchronously so that mount_data() can be
242	* non-blocking.	243	* non-blocking.
243	*/	244	*/
-		245	#ifdef CONFIG_START_BD
244	srv_start("/srv/ata_bd");	246	srv_start("/srv/ata_bd");
245	srv_start("/srv/gxe_bd");	247	srv_start("/srv/gxe_bd");
246		248	#endif
-		249	#ifdef CONFIG_MOUNT_DATA
247	mount_data();	250	mount_data();
-		251	#endif
248		252
249	getvc("vc0", "/app/bdsh");	253	getvc("vc0", "/app/bdsh");
250	getvc("vc1", "/app/bdsh");	254	getvc("vc1", "/app/bdsh");
251	getvc("vc2", "/app/bdsh");	255	getvc("vc2", "/app/bdsh");
252	getvc("vc3", "/app/bdsh");	256	getvc("vc3", "/app/bdsh");
253	getvc("vc4", "/app/bdsh");	257	getvc("vc4", "/app/bdsh");
254	getvc("vc5", "/app/bdsh");	258	getvc("vc5", "/app/bdsh");
255	getvc("vc6", "/app/klog");	259	getvc("vc6", "/app/klog");
256		260
257	return 0;	261	return 0;
258	}	262	}
259		263
260	/** @}	264	/** @}
261	*/	265	*/
262		266

Subversion Repositories HelenOS

(root)/trunk/uspace/app/init/init.c – Rev 4622 → 4662