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  1. /*
  2.  * Copyright (c) 2005 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 sparc64mm  
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_sparc64_sun4v_TTE_H_
  36. #define KERN_sparc64_sun4v_TTE_H_
  37.  
  38. #define TTE_V_SHIFT 63  /**< valid */
  39. #define TTE_TADDR_SHIFT 13  /**< target address */
  40. #define TTE_CP_SHIFT    10  /**< cacheable physically */
  41. #define TTE_CV_SHIFT    9   /**< caheable virtually */
  42. #define TTE_P_SHIFT 8   /**< privileged */
  43. #define TTE_EP_SHIFT    7   /**< execute permission */
  44. #define TTE_W_SHIFT 6   /**< writable */
  45. #define TTE_SZ_SHIFT    0   /**< size */
  46.  
  47. #define MMU_FLAG_ITLB   2   /**< operation applies to ITLB */
  48. #define MMU_FLAG_DTLB   1   /**< operation applies to DTLB */
  49.  
  50. #ifndef __ASM__
  51.  
  52. #include <arch/types.h>
  53.  
  54. /** Translation Table Entry - Data. */
  55. /** SUN4V-OK */
  56. union tte_data {
  57.     uint64_t value;
  58.     struct {
  59.         unsigned v : 1;     /**< Valid. */
  60.         unsigned nfo : 1;   /**< No-Fault-Only. */
  61.         unsigned soft : 6;  /**< Software defined field. */
  62.         unsigned long ra : 43;  /**< Real address. */
  63.         unsigned ie : 1;    /**< Invert endianess. */
  64.         unsigned e : 1;     /**< Side-effect. */
  65.         unsigned cp : 1;    /**< Cacheable in physically indexed cache. */
  66.         unsigned cv : 1;    /**< Cacheable in virtually indexed cache. */
  67.         unsigned p : 1;     /**< Privileged. */
  68.         unsigned x : 1;     /**< Executable. */
  69.         unsigned w : 1;     /**< Writable. */
  70.         unsigned soft2 : 2; /**< Software defined field. */
  71.         unsigned size : 4;  /**< Page size. */
  72.     } __attribute__ ((packed));
  73. };
  74.  
  75. typedef union tte_data tte_data_t;
  76.  
  77. // TODO: probably remove once tsb.c exists for both sun4u and sun4v
  78. #define VA_TAG_PAGE_SHIFT   22
  79.  
  80. #endif /* !def __ASM__ */
  81.  
  82. #endif
  83.  
  84. /** @}
  85.  */
  86.