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cpuid_alpha.c 4.1 kB

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  1. /*********************************************************************/
  2. /* Copyright 2009, 2010 The University of Texas at Austin. */
  3. /* All rights reserved. */
  4. /* */
  5. /* Redistribution and use in source and binary forms, with or */
  6. /* without modification, are permitted provided that the following */
  7. /* conditions are met: */
  8. /* */
  9. /* 1. Redistributions of source code must retain the above */
  10. /* copyright notice, this list of conditions and the following */
  11. /* disclaimer. */
  12. /* */
  13. /* 2. Redistributions in binary form must reproduce the above */
  14. /* copyright notice, this list of conditions and the following */
  15. /* disclaimer in the documentation and/or other materials */
  16. /* provided with the distribution. */
  17. /* */
  18. /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
  19. /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
  20. /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
  21. /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
  22. /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
  23. /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
  24. /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
  25. /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
  26. /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
  27. /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
  28. /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
  29. /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
  30. /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
  31. /* POSSIBILITY OF SUCH DAMAGE. */
  32. /* */
  33. /* The views and conclusions contained in the software and */
  34. /* documentation are those of the authors and should not be */
  35. /* interpreted as representing official policies, either expressed */
  36. /* or implied, of The University of Texas at Austin. */
  37. /*********************************************************************/
  38. #if defined(__alpha) && defined(__DECC)
  39. #include <c_asm.h>
  40. #endif
  41. int implver(void){
  42. int arch;
  43. #ifndef __DECC
  44. asm __volatile__("implver %0" : "=r"(arch) : : "memory");
  45. #else
  46. arch = asm("implver %v0");
  47. #endif
  48. return arch;
  49. }
  50. void get_architecture(void){
  51. printf("ALPHA");
  52. }
  53. void get_subarchitecture(void){
  54. printf("ev%d", implver() + 4);
  55. }
  56. void get_corename(void){
  57. printf("EV%d", implver() + 4);
  58. }
  59. void get_subdirname(void){
  60. printf("alpha");
  61. }
  62. void get_cpuconfig(void){
  63. printf("#define EV%d\n", implver() + 4);
  64. switch (implver()){
  65. case 0:
  66. printf("#define L1_DATA_SIZE 16384\n");
  67. printf("#define L1_DATA_LINESIZE 32\n");
  68. printf("#define L2_SIZE 2097152\n");
  69. printf("#define L2_LINESIZE 32\n");
  70. printf("#define DTB_DEFAULT_ENTRIES 32\n");
  71. printf("#define DTB_SIZE 8192\n");
  72. break;
  73. case 1:
  74. printf("#define L1_DATA_SIZE 16384\n");
  75. printf("#define L1_DATA_LINESIZE 32\n");
  76. printf("#define L2_SIZE 2097152\n");
  77. printf("#define L2_LINESIZE 64\n");
  78. printf("#define DTB_DEFAULT_ENTRIES 64\n");
  79. printf("#define DTB_SIZE 8192\n");
  80. break;
  81. case 2:
  82. printf("#define L1_DATA_SIZE 32768\n");
  83. printf("#define L1_DATA_LINESIZE 64\n");
  84. printf("#define L2_SIZE 4194304\n");
  85. printf("#define L2_LINESIZE 64\n");
  86. printf("#define DTB_DEFAULT_ENTRIES 64\n");
  87. printf("#define DTB_SIZE 8192\n");
  88. break;
  89. }
  90. }
  91. void get_libname(void){
  92. printf("ev%d\n", implver() + 4);
  93. }