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/v2/hw_cpuid.h

https://github.com/clockfort/ClockyOS
C Header | 52 lines | 34 code | 3 blank | 15 comment | 0 complexity | 6dfbec9fb7eb61b5c1eb8c793bb500b5 MD5 | raw file
    

  1. #ifndef HW_CPU_H
    2. 

  2. #define HW_CPU_H
    3. 

  3. #include "vid_boottext.h"
    4. 

  4. 

  5. void cpuid_string();
    6. 

  6. void cpuid_get_features();
    7. 

  7. 

  8. //As per CPU Features manual at: http://sandpile.org/ia32/cpuid.htm
    9. 

  9. typedef struct {
    10. 

  10. unsigned int stuff_I_dont_care_about: 11;
    11. 

  11. unsigned char SSE42: 1;
    12. 

  12. unsigned char SSE41: 1;
    13. 

  13. unsigned int still_dont_care: 9;
    14. 

  14. unsigned char SSSE3: 1;
    15. 

  15. unsigned char TM2: 1;
    16. 

  16. unsigned char speedstep: 1;
    17. 

  17. unsigned char yep_dont_care: 6;
    18. 

  18. unsigned char SSE3: 1;
    19. 

  19. } cpu_features_ecx;
    20. 

  20. 

  21. typedef struct {
    22. 

  22. unsigned char stuff_I_dont_care_about: 3;
    23. 

  23. unsigned char hyperthreading: 1;
    24. 

  24. unsigned char selfsnoop: 1;
    25. 

  25. unsigned char SSE2: 1;
    26. 

  26. unsigned char SSE: 1;
    27. 

  27. unsigned char FXSR: 1;
    28. 

  28. unsigned char MMX: 1;
    29. 

  29. unsigned int still_dont_care: 6;
    30. 

  30. unsigned char PAT: 1;
    31. 

  31. unsigned char guess_what_dont_care: 6;
    32. 

  32. unsigned char APIC: 1;
    33. 

  33. unsigned char dont_care_captain: 2;
    34. 

  34. unsigned char PAE: 1;
    35. 

  35. unsigned char yep_dont_care: 5;
    36. 

  36. unsigned char FPU: 1;
    37. 

  37. } cpu_features_edx;
    38. 

  38. /*
    39. 

  39. typedef struct {
    40. 

  40. unsigned char FPU: 1;
    41. 

  41. unsigned char yep_dont_care: 8;
    42. 

  42. unsigned char APIC: 1;
    43. 

  43. unsigned int still_dont_care: 13;
    44. 

  44. unsigned char MMX: 1;
    45. 

  45. unsigned char FXSR: 1;
    46. 

  46. unsigned char SSE: 1;
    47. 

  47. unsigned char SSE2: 1;
    48. 

  48. unsigned char selfsnoop: 1;
    49. 

  49. unsigned char hyperthreading: 1;
    50. 

  50. unsigned char stuff_I_dont_care_about: 3;
    51. 

  51. } cpu_features_edx;*/
    52. 

  52. #endif
    53. 

  53.