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  1. /*
  2.  * Copyright (c) 2003-2004 Jakub Jermar
  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 mips32 
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_mips32_TYPES_H_
  36. #define KERN_mips32_TYPES_H_
  37.  
  38. typedef signed char int8_t;
  39. typedef signed short int16_t;
  40. typedef signed long int32_t;
  41. typedef signed long long int64_t;
  42.  
  43. typedef unsigned char uint8_t;
  44. typedef unsigned short uint16_t;
  45. typedef unsigned long uint32_t;
  46. typedef unsigned long long uint64_t;
  47.  
  48. typedef uint32_t size_t;
  49. typedef uint32_t count_t;
  50. typedef uint32_t index_t;
  51.  
  52. typedef uint32_t uintptr_t;
  53. typedef uint32_t pfn_t;
  54.  
  55. typedef uint32_t ipl_t;
  56.  
  57. typedef uint32_t unative_t;
  58. typedef int32_t native_t;
  59.  
  60. /** Page Table Entry. */
  61. typedef struct {
  62.     unsigned g : 1;         /**< Global bit. */
  63.     unsigned p : 1;         /**< Present bit. */
  64.     unsigned d : 1;         /**< Dirty bit. */
  65.     unsigned cacheable : 1;     /**< Cacheable bit. */
  66.     unsigned : 1;           /**< Unused. */
  67.     unsigned soft_valid : 1;    /**< Valid content even if not present. */
  68.     unsigned pfn : 24;      /**< Physical frame number. */
  69.     unsigned w : 1;         /**< Page writable bit. */
  70.     unsigned a : 1;         /**< Accessed bit. */
  71. } pte_t;
  72.  
  73. #endif
  74.  
  75. /** @}
  76.  */
  77.