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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>
3089 decky 50
#include "init.h"
999 palkovsky 51
 
4485 decky 52
static void info_print(void)
3089 decky 53
{
4485 decky 54
    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 59
    char *opts = "";
4536 svoboda 60
    const char *root_dev = "initrd";
3089 decky 61
 
4305 jermar 62
    if (str_cmp(fstype, "tmpfs") == 0)
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        opts = "restore";
4592 decky 64
 
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    int rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
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    switch (rc) {
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    case EOK:
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        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:
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        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 84
    }
85
 
86
    return true;
1465 cejka 87
}
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4417 decky 89
static bool mount_devfs(void)
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{
4592 decky 91
    char null[MAX_DEVICE_NAME];
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    int null_id = devmap_null_create();
4417 decky 93
 
4592 decky 94
    if (null_id == -1) {
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        printf(NAME ": Unable to create null device\n");
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        return false;
4417 decky 97
    }
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4592 decky 99
    snprintf(null, MAX_DEVICE_NAME, "null%d", null_id);
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    int rc = mount("devfs", "/dev", null, "", IPC_FLAG_BLOCKING);
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102
    switch (rc) {
103
    case EOK:
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        printf(NAME ": Device filesystem mounted\n");
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        break;
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    case EBUSY:
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        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:
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        printf(NAME ": Unable to mount device filesystem\n");
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        devmap_null_destroy(null_id);
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        return false;
114
    case ENOENT:
115
        printf(NAME ": Unknown filesystem type (devfs)\n");
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        devmap_null_destroy(null_id);
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        return false;
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    default:
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        printf(NAME ": Error mounting device filesystem (%d)\n", rc);
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        devmap_null_destroy(null_id);
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        return false;
122
    }
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4417 decky 124
    return true;
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}
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3089 decky 127
static void spawn(char *fname)
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{
3222 svoboda 129
    char *argv[2];
4622 jermar 130
    struct stat s;
3998 decky 131
 
4622 jermar 132
    if (stat(fname, &s) == ENOENT)
133
        return;
134
 
3089 decky 135
    printf(NAME ": Spawning %s\n", fname);
3998 decky 136
 
3222 svoboda 137
    argv[0] = fname;
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    argv[1] = NULL;
3998 decky 139
 
4317 decky 140
    if (!task_spawn(fname, argv))
3998 decky 141
        printf(NAME ": Error spawning %s\n", fname);
3089 decky 142
}
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4621 svoboda 144
static void srv_start(char *fname)
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{
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    char *argv[2];
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    task_id_t id;
148
    task_exit_t texit;
149
    int rc, retval;
4622 jermar 150
    struct stat s;
4621 svoboda 151
 
4622 jermar 152
    if (stat(fname, &s) == ENOENT)
153
        return;
154
 
4621 svoboda 155
    printf(NAME ": Starting %s\n", fname);
156
 
157
    argv[0] = fname;
158
    argv[1] = NULL;
159
 
160
    id = task_spawn(fname, argv);
161
    if (!id) {
162
        printf(NAME ": Error spawning %s\n", fname);
163
        return;
164
    }
165
 
166
    rc = task_wait(id, &texit, &retval);
167
    if (rc != EOK) {
168
        printf(NAME ": Error waiting for %s\n", fname);
169
        return;
170
    }
171
 
172
    if (texit != TASK_EXIT_NORMAL || retval != 0) {
173
        printf(NAME ": Server %s failed to start (returned %d)\n",
174
            fname, retval);
175
    }
176
}
177
 
4485 decky 178
static void getvc(char *dev, char *app)
179
{
180
    char *argv[4];
181
    char vc[MAX_DEVICE_NAME];
4549 svoboda 182
    int rc;
4485 decky 183
 
184
    snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
185
 
186
    printf(NAME ": Spawning getvc on %s\n", vc);
187
 
188
    dev_handle_t handle;
4549 svoboda 189
    rc = devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
4485 decky 190
 
4549 svoboda 191
    if (rc == EOK) {
4485 decky 192
        argv[0] = "/app/getvc";
193
        argv[1] = vc;
194
        argv[2] = app;
195
        argv[3] = NULL;
196
 
197
        if (!task_spawn("/app/getvc", argv))
198
            printf(NAME ": Error spawning getvc on %s\n", vc);
4549 svoboda 199
    } else {
4485 decky 200
        printf(NAME ": Error waiting on %s\n", vc);
4549 svoboda 201
    }
4485 decky 202
}
203
 
4573 svoboda 204
void mount_data(void)
205
{
206
    int rc;
207
 
208
    printf("Trying to mount disk0 on /data... ");
209
    fflush(stdout);
210
 
211
    rc = mount("fat", "/data", "disk0", "wtcache", 0);
212
    if (rc == EOK)
213
        printf("OK\n");
214
    else
215
        printf("Failed\n");
216
}
217
 
447 decky 218
int main(int argc, char *argv[])
219
{
3089 decky 220
    info_print();
221
 
4485 decky 222
    if (!mount_root(STRING(RDFMT))) {
3089 decky 223
        printf(NAME ": Exiting\n");
224
        return -1;
225
    }
226
 
4417 decky 227
    spawn("/srv/devfs");
228
 
229
    if (!mount_devfs()) {
4549 svoboda 230
        printf(NAME ": Exiting\n");
4417 decky 231
        return -2;
232
    }
233
 
3410 svoboda 234
    spawn("/srv/fb");
235
    spawn("/srv/kbd");
236
    spawn("/srv/console");
3969 jermar 237
    spawn("/srv/fhc");
3979 jermar 238
    spawn("/srv/obio");
4621 svoboda 239
 
240
    /*
241
     * Start these synchronously so that mount_data() can be
242
     * non-blocking.
243
     */
244
    srv_start("/srv/ata_bd");
245
    srv_start("/srv/gxe_bd");
4592 decky 246
 
247
    mount_data();
248
 
4485 decky 249
    getvc("vc0", "/app/bdsh");
250
    getvc("vc1", "/app/bdsh");
251
    getvc("vc2", "/app/bdsh");
252
    getvc("vc3", "/app/bdsh");
253
    getvc("vc4", "/app/bdsh");
254
    getvc("vc5", "/app/bdsh");
255
    getvc("vc6", "/app/klog");
1465 cejka 256
 
447 decky 257
    return 0;
258
}
1653 cejka 259
 
260
/** @}
261
 */