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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. #include <ofw.h>
  30. #include <printf.h>
  31.  
  32. void write(const char *str, const int len)
  33. {
  34.     ofw_write(str, len);
  35. }
  36.  
  37. int ofw_keyboard(keyboard_t *keyboard)
  38. {
  39.     char device_name[BUF_SIZE];
  40.    
  41.     if (ofw_get_property(ofw_aliases, "macio", device_name, sizeof(device_name)) <= 0)
  42.         return false;
  43.                
  44.     phandle device = ofw_find_device(device_name);
  45.     if (device == -1)
  46.         return false;
  47.                                
  48.     pci_reg_t macio;
  49.     if (ofw_get_property(device, "assigned-addresses", &macio, sizeof(macio)) <= 0)
  50.         return false;
  51.     keyboard->addr = (void *) macio.addr.addr_lo;
  52.     keyboard->size = macio.size_lo;
  53.  
  54.     return true;
  55. }
  56.