| cpuid.h (249423) | cpuid.h (253802) |
|---|---|
| 1/*===---- cpuid.h - X86 cpu model detection --------------------------------=== 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: --- 11 unchanged lines hidden (view full) --- 20 * 21 *===-----------------------------------------------------------------------=== 22 */ 23 24#if !(__x86_64__ || __i386__) 25#error this header is for x86 only 26#endif 27 | 1/*===---- cpuid.h - X86 cpu model detection --------------------------------=== 2 * 3 * Permission is hereby granted, free of charge, to any person obtaining a copy 4 * of this software and associated documentation files (the "Software"), to deal 5 * in the Software without restriction, including without limitation the rights 6 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 7 * copies of the Software, and to permit persons to whom the Software is 8 * furnished to do so, subject to the following conditions: --- 11 unchanged lines hidden (view full) --- 20 * 21 *===-----------------------------------------------------------------------=== 22 */ 23 24#if !(__x86_64__ || __i386__) 25#error this header is for x86 only 26#endif 27 |
| 28/* Features in %ecx for level 1 */ 29#define bit_SSE3 0x00000001 30#define bit_PCLMULQDQ 0x00000002 31#define bit_DTES64 0x00000004 32#define bit_MONITOR 0x00000008 33#define bit_DSCPL 0x00000010 34#define bit_VMX 0x00000020 35#define bit_SMX 0x00000040 36#define bit_EIST 0x00000080 37#define bit_TM2 0x00000100 38#define bit_SSSE3 0x00000200 39#define bit_CNXTID 0x00000400 40#define bit_FMA 0x00001000 41#define bit_CMPXCHG16B 0x00002000 42#define bit_xTPR 0x00004000 43#define bit_PDCM 0x00008000 44#define bit_PCID 0x00020000 45#define bit_DCA 0x00040000 46#define bit_SSE41 0x00080000 47#define bit_SSE42 0x00100000 48#define bit_x2APIC 0x00200000 49#define bit_MOVBE 0x00400000 50#define bit_POPCNT 0x00800000 51#define bit_TSCDeadline 0x01000000 52#define bit_AESNI 0x02000000 53#define bit_XSAVE 0x04000000 54#define bit_OSXSAVE 0x08000000 55#define bit_AVX 0x10000000 56#define bit_RDRAND 0x40000000 57 58/* Features in %edx for level 1 */ 59#define bit_FPU 0x00000001 60#define bit_VME 0x00000002 61#define bit_DE 0x00000004 62#define bit_PSE 0x00000008 63#define bit_TSC 0x00000010 64#define bit_MSR 0x00000020 65#define bit_PAE 0x00000040 66#define bit_MCE 0x00000080 67#define bit_CX8 0x00000100 68#define bit_APIC 0x00000200 69#define bit_SEP 0x00000800 70#define bit_MTRR 0x00001000 71#define bit_PGE 0x00002000 72#define bit_MCA 0x00004000 73#define bit_CMOV 0x00008000 74#define bit_PAT 0x00010000 75#define bit_PSE36 0x00020000 76#define bit_PSN 0x00040000 77#define bit_CLFSH 0x00080000 78#define bit_DS 0x00200000 79#define bit_ACPI 0x00400000 80#define bit_MMX 0x00800000 81#define bit_FXSR 0x01000000 82#define bit_SSE 0x02000000 83#define bit_SSE2 0x04000000 84#define bit_SS 0x08000000 85#define bit_HTT 0x10000000 86#define bit_TM 0x20000000 87#define bit_PBE 0x80000000 88 89/* Features in %ebx for level 7 sub-leaf 0 */ 90#define bit_FSGSBASE 0x00000001 91#define bit_SMEP 0x00000080 92#define bit_ENH_MOVSB 0x00000200 93 94/* PIC on i386 uses %ebx, so preserve it. */ 95#if __i386__ 96#define __cpuid(__level, __eax, __ebx, __ecx, __edx) \ 97 __asm(" pushl %%ebx\n" \ 98 " cpuid\n" \ 99 " mov %%ebx,%1\n" \ 100 " popl %%ebx" \ 101 : "=a"(__eax), "=r" (__ebx), "=c"(__ecx), "=d"(__edx) \ 102 : "0"(__level)) 103 104#define __cpuid_count(__level, __count, __eax, __ebx, __ecx, __edx) \ 105 __asm(" pushl %%ebx\n" \ 106 " cpuid\n" \ 107 " mov %%ebx,%1\n" \ 108 " popl %%ebx" \ 109 : "=a"(__eax), "=r" (__ebx), "=c"(__ecx), "=d"(__edx) \ 110 : "0"(__level), "2"(__count)) 111#else 112#define __cpuid(__level, __eax, __ebx, __ecx, __edx) \ 113 __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ 114 : "0"(__level)) 115 116#define __cpuid_count(__level, __count, __eax, __ebx, __ecx, __edx) \ 117 __asm("cpuid" : "=a"(__eax), "=b" (__ebx), "=c"(__ecx), "=d"(__edx) \ 118 : "0"(__level), "2"(__count)) 119#endif 120 |
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| 28static __inline int __get_cpuid (unsigned int __level, unsigned int *__eax, 29 unsigned int *__ebx, unsigned int *__ecx, 30 unsigned int *__edx) { | 121static __inline int __get_cpuid (unsigned int __level, unsigned int *__eax, 122 unsigned int *__ebx, unsigned int *__ecx, 123 unsigned int *__edx) { |
| 31 __asm("cpuid" : "=a"(*__eax), "=b" (*__ebx), "=c"(*__ecx), "=d"(*__edx) 32 : "0"(__level)); | 124 __cpuid(__level, *__eax, *__ebx, *__ecx, *__edx); |
| 33 return 1; 34} | 125 return 1; 126} |
| 127 128static __inline int __get_cpuid_max (unsigned int __level, unsigned int *__sig) 129{ 130 unsigned int __eax, __ebx, __ecx, __edx; 131#if __i386__ 132 int __cpuid_supported; 133 134 __asm(" pushfl\n" 135 " popl %%eax\n" 136 " movl %%eax,%%ecx\n" 137 " xorl $0x00200000,%%eax\n" 138 " pushl %%eax\n" 139 " popfl\n" 140 " pushfl\n" 141 " popl %%eax\n" 142 " movl $0,%0\n" 143 " cmpl %%eax,%%ecx\n" 144 " je 1f\n" 145 " movl $1,%0\n" 146 "1:" 147 : "=r" (__cpuid_supported) : : "eax", "ecx"); 148 if (!__cpuid_supported) 149 return 0; 150#endif 151 152 __cpuid(__level, __eax, __ebx, __ecx, __edx); 153 if (__sig) 154 *__sig = __ebx; 155 return __eax; 156} |
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