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phoenix |
/*
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* cpufeature.h
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*
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* Defines x86 CPU feature bits
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*/
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#ifndef __ASM_X8664_CPUFEATURE_H
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#define __ASM_X8664_CPUFEATURE_H
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/* Sample usage: CPU_FEATURE_P(cpu.x86_capability, FPU) */
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#define CPU_FEATURE_P(CAP, FEATURE) test_bit(CAP, X86_FEATURE_##FEATURE ##_BIT)
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#define NCAPINTS 5 /* Currently we have 5 32-bit words worth of info */
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/* Intel-defined CPU features, CPUID level 0x00000001, word 0 */
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#define X86_FEATURE_FPU (0*32+ 0) /* Onboard FPU */
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#define X86_FEATURE_VME (0*32+ 1) /* Virtual Mode Extensions */
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#define X86_FEATURE_DE (0*32+ 2) /* Debugging Extensions */
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#define X86_FEATURE_PSE (0*32+ 3) /* Page Size Extensions */
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#define X86_FEATURE_TSC (0*32+ 4) /* Time Stamp Counter */
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#define X86_FEATURE_MSR (0*32+ 5) /* Model-Specific Registers, RDMSR, WRMSR */
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#define X86_FEATURE_PAE (0*32+ 6) /* Physical Address Extensions */
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#define X86_FEATURE_MCE (0*32+ 7) /* Machine Check Architecture */
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#define X86_FEATURE_CX8 (0*32+ 8) /* CMPXCHG8 instruction */
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#define X86_FEATURE_APIC (0*32+ 9) /* Onboard APIC */
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#define X86_FEATURE_SEP (0*32+11) /* SYSENTER/SYSEXIT */
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#define X86_FEATURE_MTRR (0*32+12) /* Memory Type Range Registers */
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#define X86_FEATURE_PGE (0*32+13) /* Page Global Enable */
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#define X86_FEATURE_MCA (0*32+14) /* Machine Check Architecture */
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#define X86_FEATURE_CMOV (0*32+15) /* CMOV instruction (FCMOVCC and FCOMI too if FPU present) */
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#define X86_FEATURE_PAT (0*32+16) /* Page Attribute Table */
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#define X86_FEATURE_PSE36 (0*32+17) /* 36-bit PSEs */
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#define X86_FEATURE_PN (0*32+18) /* Processor serial number */
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#define X86_FEATURE_CLFLSH (0*32+19) /* Supports the CLFLUSH instruction */
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#define X86_FEATURE_DTES (0*32+21) /* Debug Trace Store */
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#define X86_FEATURE_ACPI (0*32+22) /* ACPI via MSR */
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#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */
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#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions (fast save and restore */
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/* of FPU context), and CR4.OSFXSR available */
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#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */
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#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */
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#define X86_FEATURE_SELFSNOOP (0*32+27) /* CPU self snoop */
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#define X86_FEATURE_HT (0*32+28) /* Hyper-Threading */
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#define X86_FEATURE_ACC (0*32+29) /* Automatic clock control */
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#define X86_FEATURE_IA64 (0*32+30) /* IA-64 processor */
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#define X86_FEATURE_PBE (0*32+31) /* Pending Break Enable */
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/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */
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/* Don't duplicate feature flags which are redundant with Intel! */
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#define X86_FEATURE_SYSCALL (1*32+11) /* SYSCALL/SYSRET */
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#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */
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#define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */
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#define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */
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#define X86_FEATURE_3DNOW (1*32+31) /* 3DNow! */
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/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */
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#define X86_FEATURE_RECOVERY (2*32+ 0) /* CPU in recovery mode */
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#define X86_FEATURE_LONGRUN (2*32+ 1) /* Longrun power control */
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#define X86_FEATURE_LRTI (2*32+ 3) /* LongRun table interface */
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/* Other features, Linux-defined mapping, word 3 */
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/* This range is used for feature bits which conflict or are synthesized */
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#define X86_FEATURE_CXMMX (3*32+ 0) /* Cyrix MMX extensions */
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#define X86_FEATURE_K6_MTRR (3*32+ 1) /* AMD K6 nonstandard MTRRs */
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#define X86_FEATURE_CYRIX_ARR (3*32+ 2) /* Cyrix ARRs (= MTRRs) */
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#define X86_FEATURE_CENTAUR_MCR (3*32+ 3) /* Centaur MCRs (= MTRRs) */
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/* cpu types for specific tunings: */
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#define X86_FEATURE_K8 (3*32+ 4) /* Opteron, Athlon64 */
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#define X86_FEATURE_K7 (3*32+ 5) /* Athlon */
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#define X86_FEATURE_P3 (3*32+ 6) /* P3 */
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#define X86_FEATURE_P4 (3*32+ 7) /* P4 */
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/* Intel-defined CPU features, CPUID level 0x00000001, ecx, word 4 */
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#define X86_FEATURE_PNI (4*32+ 0) /* Streaming SIMD Extensions 3 */
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#define X86_FEATURE_MWAIT (4*32+ 3) /* Monitor-Mwait Support */
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#define X86_FEATURE_DS_CPL (4*32+ 4) /* CPL qualified debug store */
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#define X86_FEATURE_EST (4*32+ 7) /* Enhanced SpeedStep */
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#define X86_FEATURE_TM2 (4*32+ 8) /* Thermal monitor 2 */
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#define X86_FEATURE_CNXT_ID (4*32+ 10) /* L1 Context ID */
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#define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability)
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#define cpu_has(c, bit) test_bit(bit, (c)->x86_capability)
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#define cpu_has(c, bit) test_bit(bit, (c)->x86_capability)
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#define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability)
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#define cpu_has_pge 1
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#define cpu_has_pse 1
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#define cpu_has_pae 1
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#define cpu_has_tsc 1
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#define cpu_has_de 1
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#define cpu_has_vme 1
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#define cpu_has_fxsr 1
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#define cpu_has_xmm 1
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#define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC)
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#define cpu_has_ht boot_cpu_has(X86_FEATURE_HT)
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#define cpu_has_mp boot_cpu_has(X86_FEATURE_MP)
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#define cpu_has_k6_mtrr 0
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#define cpu_has_cyrix_arr 0
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#define cpu_has_centaur_mcr 0
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#define cpu_has_mmx 0
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#define cpu_has_fpu 1
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#endif /* __ASM_X8664_CPUFEATURE_H */
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/*
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* Local Variables:
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* mode:c
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* comment-column:42
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* End:
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*/
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