| /* |
| * SPDX-License-Identifier: GPL-2.0-or-later |
| * Host specific cpu indentification for x86. |
| */ |
| |
| #ifndef HOST_CPUINFO_H |
| #define HOST_CPUINFO_H |
| |
| /* Digested version of <cpuid.h> */ |
| |
| #define CPUINFO_ALWAYS (1u << 0) /* so cpuinfo is nonzero */ |
| #define CPUINFO_CMOV (1u << 1) |
| #define CPUINFO_MOVBE (1u << 2) |
| #define CPUINFO_LZCNT (1u << 3) |
| #define CPUINFO_POPCNT (1u << 4) |
| #define CPUINFO_BMI1 (1u << 5) |
| #define CPUINFO_BMI2 (1u << 6) |
| #define CPUINFO_SSE2 (1u << 7) |
| #define CPUINFO_SSE4 (1u << 8) |
| #define CPUINFO_AVX1 (1u << 9) |
| #define CPUINFO_AVX2 (1u << 10) |
| #define CPUINFO_AVX512F (1u << 11) |
| #define CPUINFO_AVX512VL (1u << 12) |
| #define CPUINFO_AVX512BW (1u << 13) |
| #define CPUINFO_AVX512DQ (1u << 14) |
| #define CPUINFO_AVX512VBMI2 (1u << 15) |
| #define CPUINFO_ATOMIC_VMOVDQA (1u << 16) |
| #define CPUINFO_ATOMIC_VMOVDQU (1u << 17) |
| #define CPUINFO_AES (1u << 18) |
| |
| /* Initialized with a constructor. */ |
| extern unsigned cpuinfo; |
| |
| /* |
| * We cannot rely on constructor ordering, so other constructors must |
| * use the function interface rather than the variable above. |
| */ |
| unsigned cpuinfo_init(void); |
| |
| #endif /* HOST_CPUINFO_H */ |
