projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| 5dd89908 RH |
1 | /* cpuid.h: Macros to identify the properties of an x86 host. |
| 2 | * | |
| 3 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
| 4 | * See the COPYING file in the top-level directory. | |
| 5 | */ | |
| 6 | ||
| 7 | #ifndef QEMU_CPUID_H | |
| 8 | #define QEMU_CPUID_H | |
| 9 | ||
| 10 | #ifndef CONFIG_CPUID_H | |
| 11 | # error "<cpuid.h> is unusable with this compiler" | |
| 12 | #endif | |
| 13 | ||
| 14 | #include <cpuid.h> | |
| 15 | ||
| 16 | /* Cover the uses that we have within qemu. */ | |
| 17 | /* ??? Irritating that we have the same information in target/i386/. */ | |
| 18 | ||
| 19 | /* Leaf 1, %edx */ | |
| 20 | #ifndef bit_CMOV | |
| 21 | #define bit_CMOV (1 << 15) | |
| 22 | #endif | |
| 23 | #ifndef bit_SSE2 | |
| 24 | #define bit_SSE2 (1 << 26) | |
| 25 | #endif | |
| 26 | ||
| 27 | /* Leaf 1, %ecx */ | |
| d6493dbb RH |
28 | #ifndef bit_PCLMUL |
| 29 | #define bit_PCLMUL (1 << 1) | |
| 30 | #endif | |
| 5dd89908 RH |
31 | #ifndef bit_SSE4_1 |
| 32 | #define bit_SSE4_1 (1 << 19) | |
| 33 | #endif | |
| 34 | #ifndef bit_MOVBE | |
| 35 | #define bit_MOVBE (1 << 22) | |
| 36 | #endif | |
| 37 | #ifndef bit_OSXSAVE | |
| 38 | #define bit_OSXSAVE (1 << 27) | |
| 39 | #endif | |
| 40 | #ifndef bit_AVX | |
| 41 | #define bit_AVX (1 << 28) | |
| 42 | #endif | |
| 43 | ||
| 44 | /* Leaf 7, %ebx */ | |
| 45 | #ifndef bit_BMI | |
| 46 | #define bit_BMI (1 << 3) | |
| 47 | #endif | |
| 48 | #ifndef bit_AVX2 | |
| 49 | #define bit_AVX2 (1 << 5) | |
| 50 | #endif | |
| 51 | #ifndef bit_BMI2 | |
| 52 | #define bit_BMI2 (1 << 8) | |
| 53 | #endif | |
| ba597b66 RH |
54 | #ifndef bit_AVX512F |
| 55 | #define bit_AVX512F (1 << 16) | |
| 56 | #endif | |
| 57 | #ifndef bit_AVX512DQ | |
| 58 | #define bit_AVX512DQ (1 << 17) | |
| 59 | #endif | |
| 60 | #ifndef bit_AVX512BW | |
| 61 | #define bit_AVX512BW (1 << 30) | |
| 62 | #endif | |
| 63 | #ifndef bit_AVX512VL | |
| 64 | #define bit_AVX512VL (1u << 31) | |
| 65 | #endif | |
| 66 | ||
| 67 | /* Leaf 7, %ecx */ | |
| 68 | #ifndef bit_AVX512VBMI2 | |
| 69 | #define bit_AVX512VBMI2 (1 << 6) | |
| 70 | #endif | |
| 5dd89908 RH |
71 | |
| 72 | /* Leaf 0x80000001, %ecx */ | |
| 73 | #ifndef bit_LZCNT | |
| 74 | #define bit_LZCNT (1 << 5) | |
| 75 | #endif | |
| 76 | ||
| 6d3f2e3c RH |
77 | /* |
| 78 | * Signatures for different CPU implementations as returned from Leaf 0. | |
| 79 | */ | |
| 80 | ||
| 81 | #ifndef signature_INTEL_ecx | |
| 82 | /* "Genu" "ineI" "ntel" */ | |
| 83 | #define signature_INTEL_ebx 0x756e6547 | |
| 84 | #define signature_INTEL_edx 0x49656e69 | |
| 85 | #define signature_INTEL_ecx 0x6c65746e | |
| 86 | #endif | |
| 87 | ||
| 88 | #ifndef signature_AMD_ecx | |
| 89 | /* "Auth" "enti" "cAMD" */ | |
| 90 | #define signature_AMD_ebx 0x68747541 | |
| 91 | #define signature_AMD_edx 0x69746e65 | |
| 92 | #define signature_AMD_ecx 0x444d4163 | |
| 93 | #endif | |
| 94 | ||
| 5d133dd8 RH |
95 | static inline unsigned xgetbv_low(unsigned c) |
| 96 | { | |
| 97 | unsigned a, d; | |
| 98 | asm("xgetbv" : "=a"(a), "=d"(d) : "c"(c)); | |
| 99 | return a; | |
| 100 | } | |
| 101 | ||
| 5dd89908 | 102 | #endif /* QEMU_CPUID_H */ |