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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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/** @addtogroup init Init
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 * @brief Init process for user space environment configuration.
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 * @{
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 */
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/**
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 * @file
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 */
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#include <stdio.h>
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#include <unistd.h>
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#include <ipc/ipc.h>
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#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>
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#include <task.h>
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#include <malloc.h>
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#include <macros.h>
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#include <string.h>
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#include <devmap.h>
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#include "init.h"
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static void info_print(void)
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{
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    printf(NAME ": HelenOS init\n");
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}
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static bool mount_root(const char *fstype)
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{
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    int rc = -1;
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    char *opts = "";
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    const char *root_dev = "initrd";
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    if (str_cmp(fstype, "tmpfs") == 0)
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        opts = "restore";
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    while (rc < 0) {
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        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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            break;
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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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        }
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    }
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    return true;
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}
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static bool mount_devfs(void)
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{
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    int rc = -1;
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    while (rc < 0) {
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        rc = mount("devfs", "/dev", "null", "", IPC_FLAG_BLOCKING);
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        switch (rc) {
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        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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            break;
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        case ELIMIT:
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            printf(NAME ": Unable to mount device filesystem\n");
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            return false;
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        case ENOENT:
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            printf(NAME ": Unknown filesystem type (devfs)\n");
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            return false;
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        }
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    }
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    return true;
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}
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static void spawn(char *fname)
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{
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    char *argv[2];
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    printf(NAME ": Spawning %s\n", fname);
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    argv[0] = fname;
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    argv[1] = NULL;
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    if (!task_spawn(fname, argv))
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        printf(NAME ": Error spawning %s\n", fname);
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}
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static void getvc(char *dev, char *app)
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{
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    char *argv[4];
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    char vc[MAX_DEVICE_NAME];
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    snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
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    printf(NAME ": Spawning getvc on %s\n", vc);
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    dev_handle_t handle;
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    devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
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    if (handle >= 0) {
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        argv[0] = "/app/getvc";
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        argv[1] = vc;
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        argv[2] = app;
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        argv[3] = NULL;
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        if (!task_spawn("/app/getvc", argv))
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            printf(NAME ": Error spawning getvc on %s\n", vc);
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    } else
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        printf(NAME ": Error waiting on %s\n", vc);
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}
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int main(int argc, char *argv[])
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{
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    info_print();
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    if (!mount_root(STRING(RDFMT))) {
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        printf(NAME ": Exiting\n");
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        return -1;
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    }
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    spawn("/srv/devfs");
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    if (!mount_devfs()) {
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        return(NAME ": Exiting\n");
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        return -2;
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    }
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    spawn("/srv/fb");
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    spawn("/srv/kbd");
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    spawn("/srv/console");
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    spawn("/srv/fhc");
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    spawn("/srv/obio");
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    getvc("vc0", "/app/bdsh");
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    getvc("vc1", "/app/bdsh");
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    getvc("vc2", "/app/bdsh");
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    getvc("vc3", "/app/bdsh");
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    getvc("vc4", "/app/bdsh");
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    getvc("vc5", "/app/bdsh");
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    getvc("vc6", "/app/klog");
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    usleep(1000000);
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    spawn("/srv/pci");
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447 decky 184
    return 0;
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}
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/** @}
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 */