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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 sparc64
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #ifndef KERN_sparc64_REGISTER_H_
  36. #define KERN_sparc64_REGISTER_H_
  37.  
  38. #include <arch/regdef.h>
  39. #include <arch/types.h>
  40.  
  41. /** TICK Register. */
  42. union tick_reg {
  43.     uint64_t value;
  44.     struct {
  45.         unsigned npt : 1;   /**< Non-privileged Trap enable. */
  46.         uint64_t counter : 63;  /**< Elapsed CPU clck cycle counter. */
  47.     } __attribute__ ((packed));
  48. };
  49. typedef union tick_reg tick_reg_t;
  50.  
  51. /** TICK_compare Register. */
  52. union tick_compare_reg {
  53.     uint64_t value;
  54.     struct {
  55.         unsigned int_dis : 1;       /**< TICK_INT interrupt disabled flag. */
  56.         uint64_t tick_cmpr : 63;    /**< Compare value for TICK interrupts. */
  57.     } __attribute__ ((packed));
  58. };
  59. typedef union tick_compare_reg tick_compare_reg_t;
  60.  
  61. /** SOFTINT Register. */
  62. union softint_reg {
  63.     uint64_t value;
  64.     struct {
  65.         uint64_t : 47;
  66.         unsigned stick_int : 1;
  67.         unsigned int_level : 15;
  68.         unsigned tick_int : 1;
  69.     } __attribute__ ((packed));
  70. };
  71. typedef union softint_reg softint_reg_t;
  72.  
  73.  
  74. /** Floating-point Registers State Register. */
  75. union fprs_reg {
  76.     uint64_t value;
  77.     struct {
  78.         uint64_t : 61;
  79.         unsigned fef : 1;
  80.         unsigned du : 1;
  81.         unsigned dl : 1;
  82.     } __attribute__ ((packed));
  83. };
  84. typedef union fprs_reg fprs_reg_t;
  85.  
  86. #if defined(SUN4U)
  87. #include <arch/sun4u/register.h>
  88. #elif defined (SUN4V)
  89. #include <arch/sun4v/register.h>
  90. #endif
  91.  
  92. #endif
  93.  
  94. /** @}
  95.  */
  96.