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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. #ifdef __ASM__
  39. #define PSTATE_IE_BIT   2
  40. #define PSTATE_AM_BIT   8
  41. #else
  42.  
  43. #include <arch/types.h>
  44.  
  45. /** Version Register. */
  46. union ver_reg {
  47.     uint64_t value;
  48.     struct {
  49.         uint16_t manuf; /**< Manufacturer code. */
  50.         uint16_t impl;  /**< Implementation code. */
  51.         uint8_t mask;   /**< Mask set revision. */
  52.         unsigned : 8;
  53.         uint8_t maxtl;
  54.         unsigned : 3;
  55.         unsigned maxwin : 5;
  56.     } __attribute__ ((packed));
  57. };
  58. typedef union ver_reg ver_reg_t;
  59.  
  60. /** Processor State Register. */
  61. union pstate_reg {
  62.     uint64_t value;
  63.     struct {
  64.         uint64_t : 52;
  65.         unsigned ig : 1;    /**< Interrupt Globals. */
  66.         unsigned mg : 1;    /**< MMU Globals. */
  67.         unsigned cle : 1;   /**< Current Little Endian. */
  68.         unsigned tle : 1;   /**< Trap Little Endian. */
  69.         unsigned mm : 2;    /**< Memory Model. */
  70.         unsigned red : 1;   /**< RED state. */
  71.         unsigned pef : 1;   /**< Enable floating-point. */
  72.         unsigned am : 1;    /**< 32-bit Address Mask. */
  73.         unsigned priv : 1;  /**< Privileged Mode. */
  74.         unsigned ie : 1;    /**< Interrupt Enable. */
  75.         unsigned ag : 1;    /**< Alternate Globals*/
  76.     } __attribute__ ((packed));
  77. };
  78. typedef union pstate_reg pstate_reg_t;
  79.  
  80. /** TICK Register. */
  81. union tick_reg {
  82.     uint64_t value;
  83.     struct {
  84.         unsigned npt : 1;   /**< Non-privileged Trap enable. */
  85.         uint64_t counter : 63;  /**< Elapsed CPU clck cycle counter. */
  86.     } __attribute__ ((packed));
  87. };
  88. typedef union tick_reg tick_reg_t;
  89.  
  90. /** TICK_compare Register. */
  91. union tick_compare_reg {
  92.     uint64_t value;
  93.     struct {
  94.         unsigned int_dis : 1;   /**< TICK_INT interrupt disabled flag. */
  95.         uint64_t tick_cmpr : 63;    /**< Compare value for TICK interrupts. */
  96.     } __attribute__ ((packed));
  97. };
  98. typedef union tick_compare_reg tick_compare_reg_t;
  99.  
  100. /** SOFTINT Register. */
  101. union softint_reg {
  102.     uint64_t value;
  103.     struct {
  104.         uint64_t : 47;
  105.         unsigned stick_int : 1;
  106.         unsigned int_level : 15;
  107.         unsigned tick_int : 1;
  108.     } __attribute__ ((packed));
  109. };
  110. typedef union softint_reg softint_reg_t;
  111.  
  112. #endif
  113.  
  114. #endif
  115.  
  116. /** @}
  117.  */
  118.