git.mutantstargoat.com Git - dosdemo/blob - src/cpuid.h

   1 #ifndef CPUID_H_
   2 #define CPUID_H_
   3
   4 #include "inttypes.h"
   5
   6 struct cpuid_info {
   7         uint32_t maxidx;        /* 0: eax */
   8         char vendor[12];        /* 0: ebx, edx, ecx */
   9         uint32_t id;            /* 1: eax */
  10         uint32_t rsvd0;         /* 1: ebx */
  11         uint32_t feat;          /* 1: edx */
  12         uint32_t feat2;         /* 1: ecx */
  13
  14         char brandstr[48];      /* 80000002h-80000004h */
  15 };
  16
  17 extern struct cpuid_info cpuid;
  18
  19 #define CPU_HAVE_MMX            (cpuid.feat & CPUID_FEAT_MMX)
  20 #define CPU_HAVE_MTRR           (cpuid.feat & CPUID_FEAT_MTRR)
  21
  22 #define CPUID_STEPPING(id)      ((id) & 0xf)
  23 #define CPUID_MODEL(id)         (((id) >> 4) & 0xf)
  24 #define CPUID_FAMILY(id)        (((id) >> 8) & 0xf)
  25 #define CPUID_EXTMODEL(id)      (((id) >> 16) & 0xf)
  26 #define CPUID_EXTFAMILY(id)     (((id) >> 20) & 0xff)
  27
  28 #define CPUID_FEAT_FPU                  0x00000001
  29 #define CPUID_FEAT_VME                  0x00000002
  30 #define CPUID_FEAT_DBGEXT               0x00000004
  31 #define CPUID_FEAT_PSE                  0x00000008
  32 #define CPUID_FEAT_TSC                  0x00000010
  33 #define CPUID_FEAT_MSR                  0x00000020
  34 #define CPUID_FEAT_PAE                  0x00000040
  35 #define CPUID_FEAT_MCE                  0x00000080
  36 #define CPUID_FEAT_CX8                  0x00000100
  37 #define CPUID_FEAT_APIC                 0x00000200
  38
  39 #define CPUID_FEAT_SEP                  0x00000800
  40 #define CPUID_FEAT_MTRR                 0x00001000
  41 #define CPUID_FEAT_PGE                  0x00002000
  42 #define CPUID_FEAT_MCA                  0x00004000
  43 #define CPUID_FEAT_CMOV                 0x00008000
  44 #define CPUID_FEAT_PAT                  0x00010000
  45 #define CPUID_FEAT_PSE36                0x00020000
  46 #define CPUID_FEAT_PSN                  0x00040000
  47 #define CPUID_FEAT_CLF                  0x00080000
  48
  49 #define CPUID_FEAT_DTES                 0x00200000
  50 #define CPUID_FEAT_ACPI                 0x00400000
  51 #define CPUID_FEAT_MMX                  0x00800000
  52 #define CPUID_FEAT_FXSR                 0x01000000
  53 #define CPUID_FEAT_SSE                  0x02000000
  54 #define CPUID_FEAT_SSE2                 0x04000000
  55 #define CPUID_FEAT_SS                   0x08000000
  56 #define CPUID_FEAT_HTT                  0x10000000
  57 #define CPUID_FEAT_TM1                  0x20000000
  58 #define CPUID_FEAT_IA64                 0x40000000
  59 #define CPUID_FEAT_PBE                  0x80000000
  60
  61 #define CPUID_FEAT2_SSE3                0x00000001
  62 #define CPUID_FEAT2_PCLMUL              0x00000002
  63 #define CPUID_FEAT2_DTES64              0x00000004
  64 #define CPUID_FEAT2_MONITOR             0x00000008
  65 #define CPUID_FEAT2_DS_CPL              0x00000010
  66 #define CPUID_FEAT2_VMX                 0x00000020
  67 #define CPUID_FEAT2_SMX                 0x00000040
  68 #define CPUID_FEAT2_EST                 0x00000080
  69 #define CPUID_FEAT2_TM2                 0x00000100
  70 #define CPUID_FEAT2_SSSE3               0x00000200
  71 #define CPUID_FEAT2_CID                 0x00000400
  72 #define CPUID_FEAT2_SDBG                0x00000800
  73 #define CPUID_FEAT2_FMA                 0x00001000
  74 #define CPUID_FEAT2_CX16                0x00002000
  75 #define CPUID_FEAT2_ETPRD               0x00004000
  76 #define CPUID_FEAT2_PDCM                0x00008000
  77
  78 #define CPUID_FEAT2_PCID                0x00020000
  79 #define CPUID_FEAT2_DCA                 0x00040000
  80 #define CPUID_FEAT2_SSE41               0x00080000
  81 #define CPUID_FEAT2_SSE42               0x00100000
  82 #define CPUID_FEAT2_X2APIC              0x00200000
  83 #define CPUID_FEAT2_MOVBE               0x00400000
  84 #define CPUID_FEAT2_POPCNT              0x00800000
  85
  86 #define CPUID_FEAT2_AES                 0x02000000
  87 #define CPUID_FEAT2_XSAVE               0x04000000
  88 #define CPUID_FEAT2_OSXSAVE             0x08000000
  89 #define CPUID_FEAT2_AVX                 0x10000000
  90 #define CPUID_FEAT2_F16C                0x20000000
  91 #define CPUID_FEAT2_RDRAND              0x40000000
  92
  93 int read_cpuid(struct cpuid_info *info);
  94 void print_cpuid(struct cpuid_info *info);
  95
  96 #endif  /* CPUID_H_ */