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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. #ifndef __ia64_REGISTER_H__
  30. #define __ia64_REGISTER_H__
  31.  
  32. #include <arch/types.h>
  33.  
  34. #define CR_IVR_MASK 0xf
  35. #define PSR_I_MASK  0x4000
  36.  
  37. /** Application registers. */
  38. #define AR_KR0      0
  39. #define AR_KR1      1
  40. #define AR_KR2      2
  41. #define AR_KR3      3
  42. #define AR_KR4      4
  43. #define AR_KR5      5
  44. #define AR_KR6      6
  45. #define AR_KR7      7
  46. /* AR 8-15 reserved */
  47. #define AR_RSC      16
  48. #define AR_BSP      17
  49. #define AR_BSPSTORE 18
  50. #define AR_RNAT     19
  51. /* AR 20 reserved */
  52. #define AR_FCR      21
  53. /* AR 22-23 reserved */
  54. #define AR_EFLAG    24
  55. #define AR_CSD      25
  56. #define AR_SSD      26
  57. #define AR_CFLG     27
  58. #define AR_FSR      28
  59. #define AR_FIR      29
  60. #define AR_FDR      30
  61. /* AR 31 reserved */
  62. #define AR_CCV      32
  63. /* AR 33-35 reserved */
  64. #define AR_UNAT     36
  65. /* AR 37-39 reserved */
  66. #define AR_FPSR     40
  67. /* AR 41-43 reserved */
  68. #define AR_ITC      44
  69. /* AR 45-47 reserved */
  70. /* AR 48-63 ignored */
  71. #define AR_PFS      64
  72. #define AR_LC       65
  73. #define AR_EC       66
  74. /* AR 67-111 reserved */
  75. /* AR 112-127 ignored */
  76.  
  77. /** Control registers. */
  78. #define CR_DCR      0
  79. #define CR_ITM      1
  80. #define CR_IVA      2
  81. /* CR3-CR7 reserved */
  82. #define CR_PTA      8
  83. /* CR9-CR15 reserved */
  84. #define CR_IPSR     16
  85. #define CR_ISR      17
  86. /* CR18 reserved */
  87. #define CR_IIP      19
  88. #define CR_IFA      20
  89. #define CR_ITIR     21
  90. #define CR_IIPA     22
  91. #define CR_IFS      23
  92. #define CR_IIM      24
  93. #define CR_IHA      25
  94. /* CR26-CR63 reserved */
  95. #define CR_LID      64
  96. #define CR_IVR      65
  97. #define CR_TPR      66
  98. #define CR_EOI      67
  99. #define CR_IRR0     68
  100. #define CR_IRR1     69
  101. #define CR_IRR2     70
  102. #define CR_IRR3     71
  103. #define CR_ITV      72
  104. #define CR_PMV      73
  105. #define CR_CMCV     74
  106. /* CR75-CR79 reserved */
  107. #define CR_LRR0     80
  108. #define CR_LRR1     81
  109. /* CR82-CR127 reserved */
  110.  
  111. /** External Interrupt Vector Register */
  112. union cr_ivr {
  113.     __u8  vector;
  114.     __u64 value;
  115. };
  116.  
  117. typedef union cr_ivr cr_ivr_t;
  118.  
  119. /** Task Priority Register */
  120. union cr_tpr {
  121.     struct {
  122.         unsigned : 4;
  123.         unsigned mic: 4;        /**< Mask Interrupt Class. */
  124.         unsigned : 8;
  125.         unsigned mmi: 1;        /**< Mask Maskable Interrupts. */
  126.     } __attribute__ ((packed));
  127.     __u64 value;
  128. };
  129.  
  130. typedef union cr_tpr cr_tpr_t;
  131.  
  132. /** Interval Timer Vector */
  133. union cr_itv {
  134.     struct {
  135.         unsigned vector : 8;
  136.         unsigned : 4;
  137.         unsigned : 1;
  138.         unsigned : 3;
  139.         unsigned m : 1;         /**< Mask. */
  140.     } __attribute__ ((packed));
  141.     __u64 value;
  142. };
  143.  
  144. typedef union cr_itv cr_itv_t;
  145.  
  146. #endif
  147.