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  1. /*
  2.  * Copyright (C) 2005 Martin Decky
  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. /*
  30.  * PPC assembler macros
  31.  */
  32.  
  33. /* Condition Register Bit Fields */
  34. #define cr0 0
  35. #define cr1 1
  36. #define cr2 2
  37. #define cr3 3
  38. #define cr4 4
  39. #define cr5 5
  40. #define cr6 6
  41. #define cr7 7
  42.  
  43. /* General Purpose Registers (GPRs) */
  44. #define r0  0
  45. #define r1  1
  46. #define r2  2
  47. #define r3  3
  48. #define r4  4
  49. #define r5  5
  50. #define r6  6
  51. #define r7  7
  52. #define r8  8
  53. #define r9  9
  54. #define r10 10
  55. #define r11 11
  56. #define r12 12
  57. #define r13 13
  58. #define r14 14
  59. #define r15 15
  60. #define r16 16
  61. #define r17 17
  62. #define r18 18
  63. #define r19 19
  64. #define r20 20
  65. #define r21 21
  66. #define r22 22
  67. #define r23 23
  68. #define r24 24
  69. #define r25 25
  70. #define r26 26
  71. #define r27 27
  72. #define r28 28
  73. #define r29 29
  74. #define r30 30
  75. #define r31 31
  76.  
  77. /* GPR Aliases */
  78. #define sp  1
  79.  
  80. /* Floating Point Registers (FPRs) */
  81. #define fr0 0
  82. #define fr1 1
  83. #define fr2 2
  84. #define fr3 3
  85. #define fr4 4
  86. #define fr5 5
  87. #define fr6 6
  88. #define fr7 7
  89. #define fr8 8
  90. #define fr9 9
  91. #define fr10    10
  92. #define fr11    11
  93. #define fr12    12
  94. #define fr13    13
  95. #define fr14    14
  96. #define fr15    15
  97. #define fr16    16
  98. #define fr17    17
  99. #define fr18    18
  100. #define fr19    19
  101. #define fr20    20
  102. #define fr21    21
  103. #define fr22    22
  104. #define fr23    23
  105. #define fr24    24
  106. #define fr25    25
  107. #define fr26    26
  108. #define fr27    27
  109. #define fr28    28
  110. #define fr29    29
  111. #define fr30    30
  112. #define fr31    31
  113.  
  114. #define vr0 0
  115. #define vr1 1
  116. #define vr2 2
  117. #define vr3 3
  118. #define vr4 4
  119. #define vr5 5
  120. #define vr6 6
  121. #define vr7 7
  122. #define vr8 8
  123. #define vr9 9
  124. #define vr10    10
  125. #define vr11    11
  126. #define vr12    12
  127. #define vr13    13
  128. #define vr14    14
  129. #define vr15    15
  130. #define vr16    16
  131. #define vr17    17
  132. #define vr18    18
  133. #define vr19    19
  134. #define vr20    20
  135. #define vr21    21
  136. #define vr22    22
  137. #define vr23    23
  138. #define vr24    24
  139. #define vr25    25
  140. #define vr26    26
  141. #define vr27    27
  142. #define vr28    28
  143. #define vr29    29
  144. #define vr30    30
  145. #define vr31    31
  146.  
  147. #define evr0    0
  148. #define evr1    1
  149. #define evr2    2
  150. #define evr3    3
  151. #define evr4    4
  152. #define evr5    5
  153. #define evr6    6
  154. #define evr7    7
  155. #define evr8    8
  156. #define evr9    9
  157. #define evr10   10
  158. #define evr11   11
  159. #define evr12   12
  160. #define evr13   13
  161. #define evr14   14
  162. #define evr15   15
  163. #define evr16   16
  164. #define evr17   17
  165. #define evr18   18
  166. #define evr19   19
  167. #define evr20   20
  168. #define evr21   21
  169. #define evr22   22
  170. #define evr23   23
  171. #define evr24   24
  172. #define evr25   25
  173. #define evr26   26
  174. #define evr27   27
  175. #define evr28   28
  176. #define evr29   29
  177. #define evr30   30
  178. #define evr31   31
  179.  
  180. /* Special Purpose Registers (SPRs) */
  181. #define xer 1
  182. #define lr  8
  183. #define ctr 9
  184. #define dec 22
  185. #define srr0    26
  186. #define srr1    27
  187. #define sprg0   272
  188. #define sprg1   273
  189. #define sprg2   274
  190. #define sprg3   275
  191. #define prv 287
  192.  
  193. .macro REGISTERS_STORE r
  194. .endm
  195.  
  196. .macro REGISTERS_LOAD r
  197. .endm
  198.