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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. #ifndef __OFW_H__
  30. #define __OFW_H__
  31.  
  32. #define NULL 0
  33. #define MEMMAP_MAX_RECORDS 32
  34. #define false 0
  35. #define true 1
  36.  
  37. typedef __builtin_va_list va_list;
  38.  
  39. #define va_start(ap, last)      __builtin_va_start(ap, last)
  40. #define va_arg(ap, type)        __builtin_va_arg(ap, type)
  41. #define va_end(ap)          __builtin_va_end(ap)
  42.  
  43. typedef struct {
  44.     void *start;
  45.     unsigned int size;
  46. } memzone_t;
  47.  
  48. typedef struct {
  49.     unsigned int total;
  50.     unsigned int count;
  51.     memzone_t zones[MEMMAP_MAX_RECORDS];
  52. } memmap_t;
  53.  
  54. typedef struct {
  55.     void *addr;
  56.     unsigned int width;
  57.     unsigned int height;
  58.     unsigned int bpp;
  59.     unsigned int scanline;
  60. } screen_t;
  61.  
  62.  
  63. extern void init(void);
  64. extern void ofw_write(const char *str, const int len);
  65.  
  66. extern void *ofw_translate(const void *virt);
  67. extern int ofw_map(const void *phys, const void *virt, const int size, const int mode);
  68. extern int ofw_memmap(memmap_t *map);
  69. extern int ofw_screen(screen_t *screen);
  70.  
  71. #endif
  72.