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447 decky 1
/*
2071 jermar 2
 * Copyright (c) 2005 Martin Decky
447 decky 3
 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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1653 cejka 29
/** @addtogroup init Init
3998 decky 30
 * @brief Init process for user space environment configuration.
1653 cejka 31
 * @{
3998 decky 32
 */
1653 cejka 33
/**
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 * @file
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 */
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3089 decky 37
#include <stdio.h>
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#include <unistd.h>
3998 decky 39
#include <ipc/ipc.h>
3089 decky 40
#include <vfs/vfs.h>
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#include <bool.h>
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#include <errno.h>
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#include <fcntl.h>
4622 jermar 44
#include <sys/stat.h>
3089 decky 45
#include <task.h>
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#include <malloc.h>
3998 decky 47
#include <macros.h>
4305 jermar 48
#include <string.h>
4485 decky 49
#include <devmap.h>
4662 svoboda 50
#include <config.h>
3089 decky 51
#include "init.h"
999 palkovsky 52
 
4485 decky 53
static void info_print(void)
3089 decky 54
{
4485 decky 55
    printf(NAME ": HelenOS init\n");
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}
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static bool mount_root(const char *fstype)
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{
4305 jermar 60
    char *opts = "";
4536 svoboda 61
    const char *root_dev = "initrd";
3089 decky 62
 
4305 jermar 63
    if (str_cmp(fstype, "tmpfs") == 0)
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        opts = "restore";
4592 decky 65
 
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    int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
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68
    switch (rc) {
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    case EOK:
70
        printf(NAME ": Root filesystem mounted, %s at %s\n",
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            fstype, root_dev);
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        break;
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    case EBUSY:
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        printf(NAME ": Root filesystem already mounted\n");
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        return false;
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    case ELIMIT:
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        printf(NAME ": Unable to mount root filesystem\n");
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        return false;
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    case ENOENT:
80
        printf(NAME ": Unknown filesystem type (%s)\n", fstype);
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        return false;
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    default:
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        printf(NAME ": Error mounting root filesystem (%d)\n", rc);
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        return false;
3089 decky 85
    }
86
 
87
    return true;
1465 cejka 88
}
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4417 decky 90
static bool mount_devfs(void)
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{
4592 decky 92
    char null[MAX_DEVICE_NAME];
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    int null_id = devmap_null_create();
4417 decky 94
 
4592 decky 95
    if (null_id == -1) {
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        printf(NAME ": Unable to create null device\n");
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        return false;
4417 decky 98
    }
99
 
4592 decky 100
    snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
101
    int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);
102
 
103
    switch (rc) {
104
    case EOK:
105
        printf(NAME ": Device filesystem mounted\n");
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        break;
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    case EBUSY:
108
        printf(NAME ": Device filesystem already mounted\n");
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        devmap_null_destroy(null_id);
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        return false;
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    case ELIMIT:
112
        printf(NAME ": Unable to mount device filesystem\n");
113
        devmap_null_destroy(null_id);
114
        return false;
115
    case ENOENT:
116
        printf(NAME ": Unknown filesystem type (devfs)\n");
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        devmap_null_destroy(null_id);
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        return false;
119
    default:
120
        printf(NAME ": Error mounting device filesystem (%d)\n", rc);
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        devmap_null_destroy(null_id);
122
        return false;
123
    }
124
 
4417 decky 125
    return true;
126
}
127
 
3089 decky 128
static void spawn(char *fname)
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{
3222 svoboda 130
    char *argv[2];
4622 jermar 131
    struct stat s;
3998 decky 132
 
4622 jermar 133
    if (stat(fname, &s) == ENOENT)
134
        return;
135
 
3089 decky 136
    printf(NAME ": Spawning %s\n", fname);
3998 decky 137
 
3222 svoboda 138
    argv[0] = fname;
139
    argv[1] = NULL;
3998 decky 140
 
4317 decky 141
    if (!task_spawn(fname, argv))
3998 decky 142
        printf(NAME ": Error spawning %s\n", fname);
3089 decky 143
}
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4621 svoboda 145
static void srv_start(char *fname)
146
{
147
    char *argv[2];
148
    task_id_t id;
149
    task_exit_t texit;
150
    int rc, retval;
4622 jermar 151
    struct stat s;
4621 svoboda 152
 
4622 jermar 153
    if (stat(fname, &s) == ENOENT)
154
        return;
155
 
4621 svoboda 156
    printf(NAME ": Starting %s\n", fname);
157
 
158
    argv[0] = fname;
159
    argv[1] = NULL;
160
 
161
    id = task_spawn(fname, argv);
162
    if (!id) {
163
        printf(NAME ": Error spawning %s\n", fname);
164
        return;
165
    }
166
 
167
    rc = task_wait(id, &texit, &retval);
168
    if (rc != EOK) {
169
        printf(NAME ": Error waiting for %s\n", fname);
170
        return;
171
    }
172
 
173
    if (texit != TASK_EXIT_NORMAL || retval != 0) {
174
        printf(NAME ": Server %s failed to start (returned %d)\n",
175
            fname, retval);
176
    }
177
}
178
 
4485 decky 179
static void getvc(char *dev, char *app)
180
{
181
    char *argv[4];
182
    char vc[MAX_DEVICE_NAME];
4549 svoboda 183
    int rc;
4485 decky 184
 
185
    snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
186
 
187
    printf(NAME ": Spawning getvc on %s\n", vc);
188
 
189
    dev_handle_t handle;
4549 svoboda 190
    rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
4485 decky 191
 
4549 svoboda 192
    if (rc == EOK) {
4485 decky 193
        argv[0] = "/app/getvc";
194
        argv[1] = vc;
195
        argv[2] = app;
196
        argv[3] = NULL;
197
 
198
        if (!task_spawn("/app/getvc", argv))
199
            printf(NAME ": Error spawning getvc on %s\n", vc);
4549 svoboda 200
    } else {
4485 decky 201
        printf(NAME ": Error waiting on %s\n", vc);
4549 svoboda 202
    }
4485 decky 203
}
204
 
4681 svoboda 205
static void mount_data(void)
4573 svoboda 206
{
207
    int rc;
208
 
209
    printf("Trying to mount disk0 on /data... ");
210
    fflush(stdout);
211
 
212
    rc = mount("fat", "/data", "disk0", "wtcache", 0);
213
    if (rc == EOK)
214
        printf("OK\n");
215
    else
216
        printf("Failed\n");
217
}
218
 
447 decky 219
int main(int argc, char *argv[])
220
{
3089 decky 221
    info_print();
222
 
4485 decky 223
    if (!mount_root(STRING(RDFMT))) {
3089 decky 224
        printf(NAME ": Exiting\n");
225
        return -1;
226
    }
227
 
4417 decky 228
    spawn("/srv/devfs");
229
 
230
    if (!mount_devfs()) {
4549 svoboda 231
        printf(NAME ": Exiting\n");
4417 decky 232
        return -2;
233
    }
234
 
3410 svoboda 235
    spawn("/srv/fb");
236
    spawn("/srv/kbd");
237
    spawn("/srv/console");
3969 jermar 238
    spawn("/srv/fhc");
3979 jermar 239
    spawn("/srv/obio");
4621 svoboda 240
 
241
    /*
242
     * Start these synchronously so that mount_data() can be
243
     * non-blocking.
244
     */
4662 svoboda 245
#ifdef CONFIG_START_BD
4621 svoboda 246
    srv_start("/srv/ata_bd");
247
    srv_start("/srv/gxe_bd");
4681 svoboda 248
#else
249
    (void) srv_start;
250
#endif
251
 
4662 svoboda 252
#ifdef CONFIG_MOUNT_DATA
4592 decky 253
    mount_data();
4681 svoboda 254
#else
255
    (void) mount_data;
4662 svoboda 256
#endif
257
 
4485 decky 258
    getvc("vc0", "/app/bdsh");
259
    getvc("vc1", "/app/bdsh");
260
    getvc("vc2", "/app/bdsh");
261
    getvc("vc3", "/app/bdsh");
262
    getvc("vc4", "/app/bdsh");
263
    getvc("vc5", "/app/bdsh");
264
    getvc("vc6", "/app/klog");
1465 cejka 265
 
447 decky 266
    return 0;
267
}
1653 cejka 268
 
269
/** @}
270
 */