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2009-05-04, 17:14 下午 merry 注册: 2008-09-26 发 贴: 61 请问如何解读!cpuinfo指令Features栏属性 请问指令 !cpuinfo的Features栏属性代表什么含义？谢谢！   lkd> !cpuinfo CP  F/M/S Manufacturer  MHz   PRCB Signature     MSR 8B Signature Features  0  6,14,12 GenuineIntel 1733 0000005400000000  0000005400000000 a0033fff   IP 地址: 已记录   报告

2009-05-04, 19:58 下午 MJ0011 注册: 2008-04-24 发 贴: 112 Re: 请问如何解读!cpuinfo指令Features栏属性 CPU 特性,PAE , MMX , 3DNOW,等等等 IP 地址: 已记录   报告

2009-05-04, 21:42 下午 merry 注册: 2008-09-26 发 贴: 61 Re: 请问如何解读!cpuinfo指令Features栏属性 太笼统了....,希望能有每位确切定义的解释 IP 地址: 已记录   报告

2009-05-04, 21:53 下午 MJ0011 注册: 2008-04-24 发 贴: 112 Re: 请问如何解读!cpuinfo指令Features栏属性 { Standard (Intel) Feature Flags } FPU_FLAG = $00000001; // Floating-Point unit on chip VME_FLAG = $00000002; // Virtual Mode Extention DE_FLAG = $00000004; // Debugging Extention PSE_FLAG = $00000008; // Page Size Extention TSC_FLAG = $00000010; // Time Stamp Counter MSR_FLAG = $00000020; // Model Specific Registers PAE_FLAG = $00000040; // Physical Address Extention MCE_FLAG = $00000080; // Machine Check Exception CX8_FLAG = $00000100; // CMPXCHG8 Instruction APIC_FLAG = $00000200; // Software-accessible local APIC on Chip BIT_10 = $00000400; // Reserved, do not count on value SEP_FLAG = $00000800; // Fast System Call MTRR_FLAG = $00001000; // Memory Type Range Registers PGE_FLAG = $00002000; // Page Global Enable MCA_FLAG = $00004000; // Machine Check Architecture CMOV_FLAG = $00008000; // Conditional Move Instruction PAT_FLAG = $00010000; // Page Attribute Table PSE36_FLAG = $00020000; // 36-bit Page Size Extention BIT_18 = $00040000; // Reserved, do not count on value CLFLSH_FLAG = $00080000; // CLFLUSH intruction BIT_20 = $00100000; // Reserved, do not count on value DS_FLAG = $00200000; // Debug store ACPI_FLAG = $00400000; // Thermal monitor and clock control MMX_FLAG = $00800000; // MMX technology FXSR_FLAG = $01000000; // Fast Floating Point Save and Restore SSE_FLAG = $02000000; // Streaming SIMD Extensions SSE2_FLAG = $04000000; // Streaming SIMD Extensions 2 SS_FLAG = $08000000; // Self snoop HTT_FLAG = $10000000; // Hyper-threading technology TM_FLAG = $20000000; // Thermal monitor BIT_30 = $40000000; // Reserved, do not count on value PBE_FLAG = DWORD($80000000); // Pending Break Enable { Extended (Intel) Feature Flags } SSE3_EFLAG = $00000001; // Streaming SIMD Extensions 3 EBIT_1 = $00000002; // Reserved, do not count on value EBIT_2 = $00000004; // Reserved, do not count on value MONITOR_EFLAG = $00000008; // Monitor/MWAIT DSCPL_EFLAG = $00000010; // CPL Qualified debug Store EBIT_5 = $00000020; // Reserved, do not count on value EBIT_6 = $00000040; // Reserved, do not count on value EST_EFLAG = $00000080; // Enhanced Intel Speedstep technology TM2_EFLAG = $00000100; // Thermal monitor 2 EBIT_9 = $00000200; // Reserved, do not count on value CNXTID_EFLAG = $00000400; // L1 Context ID EBIT_11 = $00000800; // Reserved, do not count on value EBIT_12 = $00001000; // Reserved, do not count on value EBIT_13 = $00002000; // Reserved, do not count on value EBIT_14 = $00004000; // Reserved, do not count on value EBIT_15 = $00008000; // Reserved, do not count on value EBIT_16 = $00010000; // Reserved, do not count on value EBIT_17 = $00020000; // Reserved, do not count on value EBIT_18 = $00040000; // Reserved, do not count on value EBIT_19 = $00080000; // Reserved, do not count on value EBIT_20 = $00100000; // Reserved, do not count on value EBIT_21 = $00200000; // Reserved, do not count on value EBIT_22 = $00400000; // Reserved, do not count on value EBIT_23 = $00800000; // Reserved, do not count on value EBIT_24 = $01000000; // Reserved, do not count on value EBIT_25 = $02000000; // Reserved, do not count on value EBIT_26 = $04000000; // Reserved, do not count on value EBIT_27 = $08000000; // Reserved, do not count on value EBIT_28 = $10000000; // Reserved, do not count on value EBIT_29 = $20000000; // Reserved, do not count on value EBIT_30 = $40000000; // Reserved, do not count on value EBIT_31 = DWORD($80000000); // Reserved, do not count on value { AMD Standard Feature Flags } AMD_FPU_FLAG = $00000001; // Floating-Point unit on chip AMD_VME_FLAG = $00000002; // Virtual Mode Extention AMD_DE_FLAG = $00000004; // Debugging Extention AMD_PSE_FLAG = $00000008; // Page Size Extention AMD_TSC_FLAG = $00000010; // Time Stamp Counter AMD_MSR_FLAG = $00000020; // Model Specific Registers AMD_PAE_FLAG = $00000040; // Physical address Extensions AMD_MCE_FLAG = $00000080; // Machine Check Exception AMD_CX8_FLAG = $00000100; // CMPXCHG8 Instruction AMD_APIC_FLAG = $00000200; // Software-accessible local APIC on Chip AMD_BIT_10 = $00000400; // Reserved, do not count on value AMD_SEP_BIT = $00000800; // SYSENTER and SYSEXIT instructions AMD_MTRR_FLAG = $00001000; // Memory Type Range Registers AMD_PGE_FLAG = $00002000; // Page Global Enable AMD_MCA_FLAG = $00004000; // Machine Check Architecture AMD_CMOV_FLAG = $00008000; // Conditional Move Instruction AMD_PAT_FLAG = $00010000; // Page Attribute Table AMD_PSE2_FLAG = $00020000; // Page Size Extensions AMD_BIT_18 = $00040000; // Reserved, do not count on value AMD_CLFLSH_FLAG = $00080000; // CLFLUSH instruction AMD_BIT_20 = $00100000; // Reserved, do not count on value AMD_BIT_21 = $00200000; // Reserved, do not count on value AMD_BIT_22 = $00400000; // Reserved, do not count on value AMD_MMX_FLAG = $00800000; // MMX technology AMD_FX_FLAG = $01000000; // FXSAVE and FXSTORE instructions AMD_SSE_FLAG = $02000000; // SSE Extensions AMD_SSE2_FLAG = $04000000; // SSE2 Extensions AMD_BIT_27 = $08000000; // Reserved, do not count on value AMD_BIT_28 = $10000000; // Reserved, do not count on value AMD_BIT_29 = $20000000; // Reserved, do not count on value AMD_BIT_30 = $40000000; // Reserved, do not count on value AMD_BIT_31 = DWORD($80000000); // Reserved, do not count on value AMD Enhanced Feature Flags } EAMD_FPU_FLAG = $00000001; // Floating-Point unit on chip EAMD_VME_FLAG = $00000002; // Virtual Mode Extention EAMD_DE_FLAG = $00000004; // Debugging Extention EAMD_PSE_FLAG = $00000008; // Page Size Extention EAMD_TSC_FLAG = $00000010; // Time Stamp Counter EAMD_MSR_FLAG = $00000020; // Model Specific Registers EAMD_PAE_EFLAG = $00000040; // Physical-address extensions EAMD_MCE_FLAG = $00000080; // Machine Check Exception EAMD_CX8_FLAG = $00000100; // CMPXCHG8 Instruction EAMD_APIC_FLAG = $00000200; // Advanced Programmable Interrupt Controler EAMD_BIT_10 = $00000400; // Reserved, do not count on value EAMD_SEP_FLAG = $00000800; // Fast System Call EAMD_MTRR_FLAG = $00001000; // Memory-Type Range Registers EAMD_PGE_FLAG = $00002000; // Page Global Enable EAMD_MCA_FLAG = $00004000; // Machine Check Architecture //EAMD_ICMOV_FLAG = $00008000; // Integer Conditional Move Instruction //EAMD_FCMOV_FLAG = $00010000; // Floating Point Conditional Move Instruction EAMD_CMOV_FLAG = $00008000; // Conditional Move Intructions EAMD_PAT_FLAG = $00010000; // Page Attributes Table EAMD_PSE2_FLAG = $00020000; // Page Size Extensions EAMD_BIT_18 = $00040000; // Reserved, do not count on value EAMD_BIT_19 = $00080000; // Reserved, do not count on value EAMD_NEPP_FLAG = $00100000; // No-Execute Page Protection EAMD_BIT_21 = $00200000; // Reserved, do not count on value EAMD_EXMMX_FLAG = $00400000; // AMD Extensions to MMX technology EAMD_MMX_FLAG = $00800000; // MMX technology EAMD_FX_FLAG = $01000000; // FXSAVE and FXSTORE instructions EAMD_FFX_FLAG = $02000000; // Fast FXSAVE and FXSTORE instructions EAMD_BIT_26 = $04000000; // Reserved, do not count on value EAMD_BIT_27 = $08000000; // Reserved, do not count on value EAMD_BIT_28 = $10000000; // Reserved, do not count on value EAMD_LONG_FLAG = $20000000; // Long Mode (64-bit Core) EAMD_EX3DNOW_FLAG = $40000000; // AMD Extensions to 3DNow! intructions EAMD_3DNOW_FLAG = DWORD($80000000); // AMD 3DNOW! Technology { Cyrix Standard Feature Flags } CYRIX_FPU_FLAG = $00000001; // Floating-Point unit on chip CYRIX_VME_FLAG = $00000002; // Virtual Mode Extention CYRIX_DE_FLAG = $00000004; // Debugging Extention CYRIX_PSE_FLAG = $00000008; // Page Size Extention CYRIX_TSC_FLAG = $00000010; // Time Stamp Counter CYRIX_MSR_FLAG = $00000020; // Model Specific Registers CYRIX_PAE_FLAG = $00000040; // Physical Address Extention CYRIX_MCE_FLAG = $00000080; // Machine Check Exception CYRIX_CX8_FLAG = $00000100; // CMPXCHG8 Instruction CYRIX_APIC_FLAG = $00000200; // Software-accessible local APIC on Chip CYRIX_BIT_10 = $00000400; // Reserved, do not count on value CYRIX_BIT_11 = $00000800; // Reserved, do not count on value CYRIX_MTRR_FLAG = $00001000; // Memory Type Range Registers CYRIX_PGE_FLAG = $00002000; // Page Global Enable CYRIX_MCA_FLAG = $00004000; // Machine Check Architecture CYRIX_CMOV_FLAG = $00008000; // Conditional Move Instruction CYRIX_BIT_16 = $00010000; // Reserved, do not count on value CYRIX_BIT_17 = $00020000; // Reserved, do not count on value CYRIX_BIT_18 = $00040000; // Reserved, do not count on value CYRIX_BIT_19 = $00080000; // Reserved, do not count on value CYRIX_BIT_20 = $00100000; // Reserved, do not count on value CYRIX_BIT_21 = $00200000; // Reserved, do not count on value CYRIX_BIT_22 = $00400000; // Reserved, do not count on value CYRIX_MMX_FLAG = $00800000; // MMX technology CYRIX_BIT_24 = $01000000; // Reserved, do not count on value CYRIX_BIT_25 = $02000000; // Reserved, do not count on value CYRIX_BIT_26 = $04000000; // Reserved, do not count on value CYRIX_BIT_27 = $08000000; // Reserved, do not count on value CYRIX_BIT_28 = $10000000; // Reserved, do not count on value CYRIX_BIT_29 = $20000000; // Reserved, do not count on value CYRIX_BIT_30 = $40000000; // Reserved, do not count on value CYRIX_BIT_31 = DWORD($80000000); // Reserved, do not count on value { Cyrix Enhanced Feature Flags } ECYRIX_FPU_FLAG = $00000001; // Floating-Point unit on chip ECYRIX_VME_FLAG = $00000002; // Virtual Mode Extention ECYRIX_DE_FLAG = $00000004; // Debugging Extention ECYRIX_PSE_FLAG = $00000008; // Page Size Extention ECYRIX_TSC_FLAG = $00000010; // Time Stamp Counter ECYRIX_MSR_FLAG = $00000020; // Model Specific Registers ECYRIX_PAE_FLAG = $00000040; // Physical Address Extention ECYRIX_MCE_FLAG = $00000080; // Machine Check Exception ECYRIX_CX8_FLAG = $00000100; // CMPXCHG8 Instruction ECYRIX_APIC_FLAG = $00000200; // Software-accessible local APIC on Chip ECYRIX_SEP_FLAG = $00000400; // Fast System Call ECYRIX_BIT_11 = $00000800; // Reserved, do not count on value ECYRIX_MTRR_FLAG = $00001000; // Memory Type Range Registers ECYRIX_PGE_FLAG = $00002000; // Page Global Enable ECYRIX_MCA_FLAG = $00004000; // Machine Check Architecture ECYRIX_ICMOV_FLAG = $00008000; // Integer Conditional Move Instruction ECYRIX_FCMOV_FLAG = $00010000; // Floating Point Conditional Move Instruction ECYRIX_BIT_17 = $00020000; // Reserved, do not count on value ECYRIX_BIT_18 = $00040000; // Reserved, do not count on value ECYRIX_BIT_19 = $00080000; // Reserved, do not count on value ECYRIX_BIT_20 = $00100000; // Reserved, do not count on value ECYRIX_BIT_21 = $00200000; // Reserved, do not count on value ECYRIX_BIT_22 = $00400000; // Reserved, do not count on value ECYRIX_MMX_FLAG = $00800000; // MMX technology ECYRIX_EMMX_FLAG = $01000000; // Extended MMX Technology ECYRIX_BIT_25 = $02000000; // Reserved, do not count on value ECYRIX_BIT_26 = $04000000; // Reserved, do not count on value ECYRIX_BIT_27 = $08000000; // Reserved, do not count on value ECYRIX_BIT_28 = $10000000; // Reserved, do not count on value ECYRIX_BIT_29 = $20000000; // Reserved, do not count on value ECYRIX_BIT_30 = $40000000; // Reserved, do not count on value ECYRIX_BIT_31 = DWORD($80000000); // Reserved, do not count on value IP 地址: 已记录   报告

2009-05-04, 21:58 下午 格蠹老雷 注册: 2005-12-19 发 贴: 1,303 Re: 请问如何解读!cpuinfo指令Features栏属性 这是NT内核抽象出来的CPU特性，记录在处理器的KPRCB结构的FeatureBits字段中，在内核启动时，nt!KiGetFeatureBits函数使用CPUID指令收集信息，分别按照AMD和INTEL CPU的特点将得到的信息放到FeatureBits中，各个位的定义在ReactOS的源代码中中可以找到： 00070 // 00071 // Kernel Feature Bits 00072 // 00073 #define KF_V86_VIS                      0x00000001 00074 #define KF_RDTSC                        0x00000002 00075 #define KF_CR4                          0x00000004 00076 #define KF_CMOV                         0x00000008 00077 #define KF_GLOBAL_PAGE                  0x00000010 00078 #define KF_LARGE_PAGE                   0x00000020 00079 #define KF_MTRR                         0x00000040 00080 #define KF_CMPXCHG8B                    0x00000080 00081 #define KF_MMX                          0x00000100 00082 #define KF_WORKING_PTE                  0x00000200 00083 #define KF_PAT                          0x00000400 00084 #define KF_FXSR                         0x00000800 00085 #define KF_FAST_SYSCALL                 0x00001000 00086 #define KF_XMMI                         0x00002000 00087 #define KF_3DNOW                        0x00004000 00088 #define KF_AMDK6MTRR                    0x00008000 00089 #define KF_XMMI64                       0x00010000 00090 #define KF_DTS                          0x00020000 00091 #define KF_NX_BIT                       0x20000000 00092 #define KF_NX_DISABLED                  0x40000000 00093 #define KF_NX_ENABLED                   0x80000000 因此，a0033fff代表的CPU功能是：KF_NX_ENABLED | KF_NX_BIT | KF_DTS | KF_XMMI64 | KF_XMMI | KF_FAST_SYSCALL 加上KF_FXSR前面的所有功能，也就是几乎所有功能都支持了。 lkd> .formats  a0033fff Evaluate expression:   Hex:     a0033fff   Decimal: -1610399745   Octal:   24000637777   Binary:  10100000 00000011 00111111 11111111   Chars:   ..?.   Time:    ***** Invalid   Float:   low -1.11173e-019 high -1.#QNAN   Double:  -1.#QNAN IP 地址: 已记录   报告

2009-05-04, 23:36 下午 merry 注册: 2008-09-26 发 贴: 61 Re: 请问如何解读!cpuinfo指令Features栏属性 Raymond, 学问一流，且乐于助人! 努力学习... IP 地址: 已记录   报告

2009-05-05, 09:05 上午 王宇 注册: 2007-05-08 发 贴: 306 Re: 请问如何解读!cpuinfo指令Features栏属性 楼上的忘记感谢 MJ 了哦~ X86平台 微软的定义在： \base\ntos\inc\i386.h // // i386 Feature bit definitions // // N.B. The no execute feature flags must be identical on all platforms. #define KF_V86_VIS                   0x00000001 #define KF_RDTSC                     0x00000002 #define KF_CR4                       0x00000004 #define KF_CMOV                      0x00000008 #define KF_GLOBAL_PAGE               0x00000010 #define KF_LARGE_PAGE                0x00000020 #define KF_MTRR                      0x00000040 #define KF_CMPXCHG8B                 0x00000080 #define KF_MMX                       0x00000100 #define KF_WORKING_PTE               0x00000200 #define KF_PAT                       0x00000400 #define KF_FXSR                      0x00000800 #define KF_FAST_SYSCALL              0x00001000 #define KF_XMMI                      0x00002000 #define KF_3DNOW                     0x00004000 #define KF_AMDK6MTRR                 0x00008000 #define KF_XMMI64                    0x00010000 #define KF_DTS                       0x00020000 #define KF_NOEXECUTE                 0x20000000 #define KF_GLOBAL_32BIT_EXECUTE      0x40000000 #define KF_GLOBAL_32BIT_NOEXECUTE    0x80000000 IP 地址: 已记录   报告

2009-05-05, 20:54 下午 merry 注册: 2008-09-26 发 贴: 61 Re: 请问如何解读!cpuinfo指令Features栏属性 因疏忽..,抱歉！ IP 地址: 已记录   报告

高端调试 » 软件调试 » Windows内核调试 » Re: 请问如何解读!cpuinfo指令Features栏属性

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