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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.     const char *root_dev = "initrd";
  61.    
  62.     if (str_cmp(fstype, "tmpfs") == 0)
  63.         opts = "restore";
  64.  
  65.     while (rc < 0) {
  66.         rc = mount(fstype, "/", root_dev, opts, IPC_FLAG_BLOCKING);
  67.        
  68.         switch (rc) {
  69.         case EOK:
  70.             printf(NAME ": Root filesystem mounted, %s at %s\n",
  71.                 fstype, root_dev);
  72.             break;
  73.         case EBUSY:
  74.             printf(NAME ": Root filesystem already mounted\n");
  75.             break;
  76.         case ELIMIT:
  77.             printf(NAME ": Unable to mount root filesystem\n");
  78.             return false;
  79.         case ENOENT:
  80.             printf(NAME ": Unknown filesystem type (%s)\n", fstype);
  81.             return false;
  82.         }
  83.     }
  84.    
  85.     return true;
  86. }
  87.  
  88. static bool mount_devfs(void)
  89. {
  90.     int rc = -1;
  91.    
  92.     while (rc < 0) {
  93.         rc = mount("devfs", "/dev", "null", "", IPC_FLAG_BLOCKING);
  94.        
  95.         switch (rc) {
  96.         case EOK:
  97.             printf(NAME ": Device filesystem mounted\n");
  98.             break;
  99.         case EBUSY:
  100.             printf(NAME ": Device filesystem already mounted\n");
  101.             break;
  102.         case ELIMIT:
  103.             printf(NAME ": Unable to mount device filesystem\n");
  104.             return false;
  105.         case ENOENT:
  106.             printf(NAME ": Unknown filesystem type (devfs)\n");
  107.             return false;
  108.         }
  109.     }
  110.    
  111.     return true;
  112. }
  113.  
  114. static void spawn(char *fname)
  115. {
  116.     char *argv[2];
  117.    
  118.     printf(NAME ": Spawning %s\n", fname);
  119.    
  120.     argv[0] = fname;
  121.     argv[1] = NULL;
  122.    
  123.     if (!task_spawn(fname, argv))
  124.         printf(NAME ": Error spawning %s\n", fname);
  125. }
  126.  
  127. static void getvc(char *dev, char *app)
  128. {
  129.     char *argv[4];
  130.     char vc[MAX_DEVICE_NAME];
  131.    
  132.     snprintf(vc, MAX_DEVICE_NAME, "/dev/%s", dev);
  133.    
  134.     printf(NAME ": Spawning getvc on %s\n", vc);
  135.    
  136.     dev_handle_t handle;
  137.     devmap_device_get_handle(dev, &handle, IPC_FLAG_BLOCKING);
  138.    
  139.     if (handle >= 0) {
  140.         argv[0] = "/app/getvc";
  141.         argv[1] = vc;
  142.         argv[2] = app;
  143.         argv[3] = NULL;
  144.        
  145.         if (!task_spawn("/app/getvc", argv))
  146.             printf(NAME ": Error spawning getvc on %s\n", vc);
  147.     } else
  148.         printf(NAME ": Error waiting on %s\n", vc);
  149. }
  150.  
  151. int main(int argc, char *argv[])
  152. {
  153.     info_print();
  154.    
  155.     if (!mount_root(STRING(RDFMT))) {
  156.         printf(NAME ": Exiting\n");
  157.         return -1;
  158.     }
  159.    
  160.     spawn("/srv/devfs");
  161.    
  162.     if (!mount_devfs()) {
  163.         return(NAME ": Exiting\n");
  164.         return -2;
  165.     }
  166.    
  167.     spawn("/srv/fb");
  168.     spawn("/srv/kbd");
  169.     spawn("/srv/console");
  170.     spawn("/srv/fhc");
  171.     spawn("/srv/obio");
  172.    
  173.     getvc("vc0", "/app/bdsh");
  174.     getvc("vc1", "/app/bdsh");
  175.     getvc("vc2", "/app/bdsh");
  176.     getvc("vc3", "/app/bdsh");
  177.     getvc("vc4", "/app/bdsh");
  178.     getvc("vc5", "/app/bdsh");
  179.     getvc("vc6", "/app/klog");
  180.    
  181.     return 0;
  182. }
  183.  
  184. /** @}
  185.  */
  186.