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  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 <task.h>
  45. #include <malloc.h>
  46. #include <macros.h>
  47. #include <string.h>
  48. #include <devmap.h>
  49. #include "init.h"
  50.  
  51. static void info_print(void)
  52. {
  53.     printf(NAME ": HelenOS init\n");
  54. }
  55.  
  56. static bool mount_root(const char *fstype)
  57. {
  58.     int rc = -1;
  59.     char *opts = "";
  60.    
  61.     if (str_cmp(fstype, "tmpfs") == 0)
  62.         opts = "restore";
  63.  
  64.     while (rc < 0) {
  65.         rc = mount(fstype, "/", "initrd", opts, IPC_FLAG_BLOCKING);
  66.        
  67.         switch (rc) {
  68.         case EOK:
  69.             printf(NAME ": Root filesystem mounted\n");
  70.             break;
  71.         case EBUSY:
  72.             printf(NAME ": Root filesystem already mounted\n");
  73.             break;
  74.         case ELIMIT:
  75.             printf(NAME ": Unable to mount root filesystem\n");
  76.             return false;
  77.         case ENOENT:
  78.             printf(NAME ": Unknown filesystem type (%s)\n", fstype);
  79.             return false;
  80.         }
  81.     }
  82.    
  83.     return true;
  84. }
  85.  
  86. static bool mount_devfs(void)
  87. {
  88.     int rc = -1;
  89.    
  90.     while (rc < 0) {
  91.         rc = mount("devfs", "/dev", "null", "", IPC_FLAG_BLOCKING);
  92.        
  93.         switch (rc) {
  94.         case EOK:
  95.             printf(NAME ": Device filesystem mounted\n");
  96.             break;
  97.         case EBUSY:
  98.             printf(NAME ": Device filesystem already mounted\n");
  99.             break;
  100.         case ELIMIT:
  101.             printf(NAME ": Unable to mount device filesystem\n");
  102.             return false;
  103.         case ENOENT:
  104.             printf(NAME ": Unknown filesystem type (devfs)\n");
  105.             return false;
  106.         }
  107.     }
  108.    
  109.     return true;
  110. }
  111.  
  112. static void spawn(char *fname)
  113. {
  114.     char *argv[2];
  115.    
  116.     printf(NAME ": Spawning %s\n", fname);
  117.    
  118.     argv[0] = fname;
  119.     argv[1] = NULL;
  120.    
  121.     if (!task_spawn(fname, argv))
  122.         printf(NAME ": Error spawning %s\n", fname);
  123. }
  124.  
  125. static void getvc(char *dev, char *app)
  126. {
  127.     char *argv[4];
  128.     char vc[MAX_DEVICE_NAME];
  129.    
  130.     snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
  131.    
  132.     printf(NAME ": Spawning getvc on %s\n", vc);
  133.    
  134.     dev_handle_t handle;
  135.     devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
  136.    
  137.     if (handle >= 0) {
  138.         argv[0] = "/app/getvc";
  139.         argv[1] = vc;
  140.         argv[2] = app;
  141.         argv[3] = NULL;
  142.        
  143.         if (!task_spawn("/app/getvc", argv))
  144.             printf(NAME ": Error spawning getvc on %s\n", vc);
  145.     } else
  146.         printf(NAME ": Error waiting on %s\n", vc);
  147. }
  148.  
  149. int main(int argc, char *argv[])
  150. {
  151.     info_print();
  152.    
  153.     if (!mount_root(STRING(RDFMT))) {
  154.         printf(NAME ": Exiting\n");
  155.         return -1;
  156.     }
  157.    
  158.     spawn("/srv/devfs");
  159.    
  160.     if (!mount_devfs()) {
  161.         return(NAME ": Exiting\n");
  162.         return -2;
  163.     }
  164.    
  165.     spawn("/srv/fb");
  166.     spawn("/srv/kbd");
  167.     spawn("/srv/console");
  168.     spawn("/srv/fhc");
  169.     spawn("/srv/obio");
  170.    
  171.     getvc("vc0", "/app/bdsh");
  172.     getvc("vc1", "/app/bdsh");
  173.     getvc("vc2", "/app/bdsh");
  174.     getvc("vc3", "/app/bdsh");
  175.     getvc("vc4", "/app/bdsh");
  176.     getvc("vc5", "/app/bdsh");
  177.     getvc("vc6", "/app/klog");
  178.    
  179.     return 0;
  180. }
  181.  
  182. /** @}
  183.  */
  184.