diff options
Diffstat (limited to 'lib/Headers/cpuid.h')
| -rw-r--r-- | lib/Headers/cpuid.h | 84 |
1 files changed, 68 insertions, 16 deletions
diff --git a/lib/Headers/cpuid.h b/lib/Headers/cpuid.h index f9254e9738e7..5da02e0e5152 100644 --- a/lib/Headers/cpuid.h +++ b/lib/Headers/cpuid.h @@ -25,6 +25,60 @@ #error this header is for x86 only #endif +/* Responses identification request with %eax 0 */ +/* AMD: "AuthenticAMD" */ +#define signature_AMD_ebx 0x68747541 +#define signature_AMD_edx 0x69746e65 +#define signature_AMD_ecx 0x444d4163 +/* CENTAUR: "CentaurHauls" */ +#define signature_CENTAUR_ebx 0x746e6543 +#define signature_CENTAUR_edx 0x48727561 +#define signature_CENTAUR_ecx 0x736c7561 +/* CYRIX: "CyrixInstead" */ +#define signature_CYRIX_ebx 0x69727943 +#define signature_CYRIX_edx 0x736e4978 +#define signature_CYRIX_ecx 0x64616574 +/* INTEL: "GenuineIntel" */ +#define signature_INTEL_ebx 0x756e6547 +#define signature_INTEL_edx 0x49656e69 +#define signature_INTEL_ecx 0x6c65746e +/* TM1: "TransmetaCPU" */ +#define signature_TM1_ebx 0x6e617254 +#define signature_TM1_edx 0x74656d73 +#define signature_TM1_ecx 0x55504361 +/* TM2: "GenuineTMx86" */ +#define signature_TM2_ebx 0x756e6547 +#define signature_TM2_edx 0x54656e69 +#define signature_TM2_ecx 0x3638784d +/* NSC: "Geode by NSC" */ +#define signature_NSC_ebx 0x646f6547 +#define signature_NSC_edx 0x43534e20 +#define signature_NSC_ecx 0x79622065 +/* NEXGEN: "NexGenDriven" */ +#define signature_NEXGEN_ebx 0x4778654e +#define signature_NEXGEN_edx 0x72446e65 +#define signature_NEXGEN_ecx 0x6e657669 +/* RISE: "RiseRiseRise" */ +#define signature_RISE_ebx 0x65736952 +#define signature_RISE_edx 0x65736952 +#define signature_RISE_ecx 0x65736952 +/* SIS: "SiS SiS SiS " */ +#define signature_SIS_ebx 0x20536953 +#define signature_SIS_edx 0x20536953 +#define signature_SIS_ecx 0x20536953 +/* UMC: "UMC UMC UMC " */ +#define signature_UMC_ebx 0x20434d55 +#define signature_UMC_edx 0x20434d55 +#define signature_UMC_ecx 0x20434d55 +/* VIA: "VIA VIA VIA " */ +#define signature_VIA_ebx 0x20414956 +#define signature_VIA_edx 0x20414956 +#define signature_VIA_ecx 0x20414956 +/* VORTEX: "Vortex86 SoC" */ +#define signature_VORTEX_ebx 0x74726f56 +#define signature_VORTEX_edx 0x36387865 +#define signature_VORTEX_ecx 0x436f5320 + /* Features in %ecx for level 1 */ #define bit_SSE3 0x00000001 #define bit_PCLMULQDQ 0x00000002 @@ -53,7 +107,7 @@ #define bit_XSAVE 0x04000000 #define bit_OSXSAVE 0x08000000 #define bit_AVX 0x10000000 -#define bit_RDRAND 0x40000000 +#define bit_RDRND 0x40000000 /* Features in %edx for level 1 */ #define bit_FPU 0x00000001 @@ -92,31 +146,29 @@ #define bit_SMEP 0x00000080 #define bit_ENH_MOVSB 0x00000200 -/* PIC on i386 uses %ebx, so preserve it. */ #if __i386__ #define __cpuid(__level, __eax, __ebx, __ecx, __edx) \ - __asm(" pushl %%ebx\n" \ + __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ + : "0"(__level)) + +#define __cpuid_count(__level, __count, __eax, __ebx, __ecx, __edx) \ + __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ + : "0"(__level), "2"(__count)) +#else +/* x86-64 uses %rbx as the base register, so preserve it. */ +#define __cpuid(__level, __eax, __ebx, __ecx, __edx) \ + __asm(" xchgq %%rbx,%q1\n" \ " cpuid\n" \ - " mov %%ebx,%1\n" \ - " popl %%ebx" \ + " xchgq %%rbx,%q1" \ : "=a"(__eax), "=r" (__ebx), "=c"(__ecx), "=d"(__edx) \ : "0"(__level)) #define __cpuid_count(__level, __count, __eax, __ebx, __ecx, __edx) \ - __asm(" pushl %%ebx\n" \ + __asm(" xchgq %%rbx,%q1\n" \ " cpuid\n" \ - " mov %%ebx,%1\n" \ - " popl %%ebx" \ + " xchgq %%rbx,%q1" \ : "=a"(__eax), "=r" (__ebx), "=c"(__ecx), "=d"(__edx) \ : "0"(__level), "2"(__count)) -#else -#define __cpuid(__level, __eax, __ebx, __ecx, __edx) \ - __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ - : "0"(__level)) - -#define __cpuid_count(__level, __count, __eax, __ebx, __ecx, __edx) \ - __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ - : "0"(__level), "2"(__count)) #endif static __inline int __get_cpuid (unsigned int __level, unsigned int *__eax, |