Subversion Repositories HelenOS

Rev

Rev 1789 | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  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. /**
  30.  * @file
  31.  * @brief   Architecture dependent parts of OpenFirmware interface.
  32.  */
  33.  
  34. #include <ofwarch.h>  
  35. #include <ofw.h>
  36. #include <printf.h>
  37.  
  38. void write(const char *str, const int len)
  39. {
  40.     int i;
  41.    
  42.     for (i = 0; i < len; i++) {
  43.         if (str[i] == '\n')
  44.             ofw_write("\r", 1);
  45.         ofw_write(&str[i], 1);
  46.     }
  47. }
  48.  
  49. int ofw_translate_failed(ofw_arg_t flag)
  50. {
  51.     return flag != -1;
  52. }
  53.  
  54. int ofw_keyboard(keyboard_t *keyboard)
  55. {
  56.     char device_name[BUF_SIZE];
  57.     uint32_t virtaddr;
  58.        
  59.     if (ofw_get_property(ofw_aliases, "keyboard", device_name, sizeof(device_name)) <= 0)
  60.         return false;
  61.                    
  62.     phandle device = ofw_find_device(device_name);
  63.     if (device == -1)
  64.         return false;
  65.                                    
  66.     if (ofw_get_property(device, "address", &virtaddr, sizeof(virtaddr)) <= 0)
  67.         return false;
  68.                                                
  69.     if (!(keyboard->addr = ofw_translate((void *) ((uintptr_t) virtaddr))))
  70.         return false;
  71.  
  72.     return true;
  73. }
  74.