cosmopolitan/third_party/intel/cpuid.internal.h

#ifndef COSMOPOLITAN_THIRD_PARTY_INTEL_CPUID_INTERNAL_H_
#define COSMOPOLITAN_THIRD_PARTY_INTEL_CPUID_INTERNAL_H_
#ifdef __x86_64__
#if !(__ASSEMBLER__ + __LINKER__ + 0)

#define bit_SSE3       (1 << 0)
#define bit_PCLMUL     (1 << 1)
#define bit_LZCNT      (1 << 5)
#define bit_SSSE3      (1 << 9)
#define bit_FMA        (1 << 12)
#define bit_CMPXCHG16B (1 << 13)
#define bit_SSE4_1     (1 << 19)
#define bit_SSE4_2     (1 << 20)
#define bit_MOVBE      (1 << 22)
#define bit_POPCNT     (1 << 23)
#define bit_AES        (1 << 25)
#define bit_XSAVE      (1 << 26)
#define bit_OSXSAVE    (1 << 27)
#define bit_AVX        (1 << 28)
#define bit_F16C       (1 << 29)
#define bit_RDRND      (1 << 30)

#define bit_CMPXCHG8B (1 << 8)
#define bit_CMOV      (1 << 15)
#define bit_MMX       (1 << 23)
#define bit_FXSAVE    (1 << 24)
#define bit_SSE       (1 << 25)
#define bit_SSE2      (1 << 26)

#define bit_LAHF_LM (1 << 0)
#define bit_ABM     (1 << 5)
#define bit_SSE4a   (1 << 6)
#define bit_PRFCHW  (1 << 8)
#define bit_XOP     (1 << 11)
#define bit_LWP     (1 << 15)
#define bit_FMA4    (1 << 16)
#define bit_TBM     (1 << 21)
#define bit_MWAITX  (1 << 29)

#define bit_MMXEXT (1 << 22)
#define bit_LM     (1 << 29)
#define bit_3DNOWP (1 << 30)
#define bit_3DNOW  (1u << 31)

#define bit_CLZERO   (1 << 0)
#define bit_WBNOINVD (1 << 9)

#define bit_FSGSBASE   (1 << 0)
#define bit_SGX        (1 << 2)
#define bit_BMI        (1 << 3)
#define bit_HLE        (1 << 4)
#define bit_AVX2       (1 << 5)
#define bit_BMI2       (1 << 8)
#define bit_RTM        (1 << 11)
#define bit_MPX        (1 << 14)
#define bit_AVX512F    (1 << 16)
#define bit_AVX512DQ   (1 << 17)
#define bit_RDSEED     (1 << 18)
#define bit_ADX        (1 << 19)
#define bit_AVX512IFMA (1 << 21)
#define bit_CLFLUSHOPT (1 << 23)
#define bit_CLWB       (1 << 24)
#define bit_AVX512PF   (1 << 26)
#define bit_AVX512ER   (1 << 27)
#define bit_AVX512CD   (1 << 28)
#define bit_SHA        (1 << 29)
#define bit_AVX512BW   (1 << 30)
#define bit_AVX512VL   (1u << 31)

#define bit_PREFETCHWT1     (1 << 0)
#define bit_AVX512VBMI      (1 << 1)
#define bit_PKU             (1 << 3)
#define bit_OSPKE           (1 << 4)
#define bit_WAITPKG         (1 << 5)
#define bit_AVX512VBMI2     (1 << 6)
#define bit_SHSTK           (1 << 7)
#define bit_GFNI            (1 << 8)
#define bit_VAES            (1 << 9)
#define bit_AVX512VNNI      (1 << 11)
#define bit_VPCLMULQDQ      (1 << 10)
#define bit_AVX512BITALG    (1 << 12)
#define bit_AVX512VPOPCNTDQ (1 << 14)
#define bit_RDPID           (1 << 22)
#define bit_MOVDIRI         (1 << 27)
#define bit_MOVDIR64B       (1 << 28)
#define bit_CLDEMOTE        (1 << 25)

#define bit_AVX5124VNNIW (1 << 2)
#define bit_AVX5124FMAPS (1 << 3)
#define bit_IBT          (1 << 20)
#define bit_PCONFIG      (1 << 18)

#define bit_BNDREGS (1 << 3)
#define bit_BNDCSR  (1 << 4)

#define bit_XSAVEOPT (1 << 0)
#define bit_XSAVEC   (1 << 1)
#define bit_XSAVES   (1 << 3)

#define bit_PTWRITE (1 << 4)

#define signature_AMD_ebx 0x68747541
#define signature_AMD_ecx 0x444d4163
#define signature_AMD_edx 0x69746e65

#define signature_CENTAUR_ebx 0x746e6543
#define signature_CENTAUR_ecx 0x736c7561
#define signature_CENTAUR_edx 0x48727561

#define signature_CYRIX_ebx 0x69727943
#define signature_CYRIX_ecx 0x64616574
#define signature_CYRIX_edx 0x736e4978

#define signature_INTEL_ebx 0x756e6547
#define signature_INTEL_ecx 0x6c65746e
#define signature_INTEL_edx 0x49656e69

#define signature_TM1_ebx 0x6e617254
#define signature_TM1_ecx 0x55504361
#define signature_TM1_edx 0x74656d73

#define signature_TM2_ebx 0x756e6547
#define signature_TM2_ecx 0x3638784d
#define signature_TM2_edx 0x54656e69

#define signature_NSC_ebx 0x646f6547
#define signature_NSC_ecx 0x43534e20
#define signature_NSC_edx 0x79622065

#define signature_NEXGEN_ebx 0x4778654e
#define signature_NEXGEN_ecx 0x6e657669
#define signature_NEXGEN_edx 0x72446e65

#define signature_RISE_ebx 0x65736952
#define signature_RISE_ecx 0x65736952
#define signature_RISE_edx 0x65736952

#define signature_SIS_ebx 0x20536953
#define signature_SIS_ecx 0x20536953
#define signature_SIS_edx 0x20536953

#define signature_UMC_ebx 0x20434d55
#define signature_UMC_ecx 0x20434d55
#define signature_UMC_edx 0x20434d55

#define signature_VIA_ebx 0x20414956
#define signature_VIA_ecx 0x20414956
#define signature_VIA_edx 0x20414956

#define signature_VORTEX_ebx 0x74726f56
#define signature_VORTEX_ecx 0x436f5320
#define signature_VORTEX_edx 0x36387865

#ifndef __x86_64__

#define __cpuid(level, a, b, c, d)                                            \
  do {                                                                        \
    if (__builtin_constant_p(level) && (level) != 1)                          \
      __asm__("cpuid\n\t" : "=a"(a), "=b"(b), "=c"(c), "=d"(d) : "0"(level)); \
    else                                                                      \
      __asm__("cpuid\n\t"                                                     \
              : "=a"(a), "=b"(b), "=c"(c), "=d"(d)                            \
              : "0"(level), "1"(0), "2"(0));                                  \
  } while (0)
#else
#define __cpuid(level, a, b, c, d) \
  __asm__("cpuid\n\t" : "=a"(a), "=b"(b), "=c"(c), "=d"(d) : "0"(level))
#endif

#define __cpuid_count(level, count, a, b, c, d) \
  __asm__("cpuid\n\t"                           \
          : "=a"(a), "=b"(b), "=c"(c), "=d"(d)  \
          : "0"(level), "2"(count))

static __inline unsigned int __get_cpuid_max(unsigned int __ext,
                                             unsigned int *__sig) {
  unsigned int __eax, __ebx, __ecx, __edx;
#ifndef __x86_64__
#if __GNUC__ >= 3
  __asm__("pushf{l|d}\n\t"
          "pushf{l|d}\n\t"
          "pop{l}\t%0\n\t"
          "mov{l}\t{%0, %1|%1, %0}\n\t"
          "xor{l}\t{%2, %0|%0, %2}\n\t"
          "push{l}\t%0\n\t"
          "popf{l|d}\n\t"
          "pushf{l|d}\n\t"
          "pop{l}\t%0\n\t"
          "popf{l|d}\n\t"
          : "=&r"(__eax), "=&r"(__ebx)
          : "i"(0x00200000));
#else
  __asm__("pushfl\n\t"
          "pushfl\n\t"
          "popl\t%0\n\t"
          "movl\t%0, %1\n\t"
          "xorl\t%2, %0\n\t"
          "pushl\t%0\n\t"
          "popfl\n\t"
          "pushfl\n\t"
          "popl\t%0\n\t"
          "popfl\n\t"
          : "=&r"(__eax), "=&r"(__ebx)
          : "i"(0x00200000));
#endif
  if (!((__eax ^ __ebx) & 0x00200000)) return 0;
#endif
  __cpuid(__ext, __eax, __ebx, __ecx, __edx);
  if (__sig) *__sig = __ebx;
  return __eax;
}

static __inline int __get_cpuid(unsigned int __leaf, unsigned int *__eax,
                                unsigned int *__ebx, unsigned int *__ecx,
                                unsigned int *__edx) {
  unsigned int __ext = __leaf & 0x80000000;
  unsigned int __maxlevel = __get_cpuid_max(__ext, 0);
  if (__maxlevel == 0 || __maxlevel < __leaf) return 0;
  __cpuid(__leaf, *__eax, *__ebx, *__ecx, *__edx);
  return 1;
}

static __inline int __get_cpuid_count(unsigned int __leaf,
                                      unsigned int __subleaf,
                                      unsigned int *__eax, unsigned int *__ebx,
                                      unsigned int *__ecx,
                                      unsigned int *__edx) {
  unsigned int __ext = __leaf & 0x80000000;
  unsigned int __maxlevel = __get_cpuid_max(__ext, 0);
  if (__maxlevel == 0 || __maxlevel < __leaf) return 0;
  __cpuid_count(__leaf, __subleaf, *__eax, *__ebx, *__ecx, *__edx);
  return 1;
}

#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* __x86_64__ */
#endif /* COSMOPOLITAN_THIRD_PARTY_INTEL_CPUID_INTERNAL_H_ */