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Diffstat (limited to 'include/asm-x86/cpufeature_32.h')
-rw-r--r--include/asm-x86/cpufeature_32.h175
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diff --git a/include/asm-x86/cpufeature_32.h b/include/asm-x86/cpufeature_32.h
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+++ b/include/asm-x86/cpufeature_32.h
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+/*
+ * cpufeature.h
+ *
+ * Defines x86 CPU feature bits
+ */
+
+#ifndef __ASM_I386_CPUFEATURE_H
+#define __ASM_I386_CPUFEATURE_H
+
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
+#include <asm/required-features.h>
+
+#define NCAPINTS 8 /* N 32-bit words worth of info */
+
+/* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */
+#define X86_FEATURE_FPU (0*32+ 0) /* Onboard FPU */
+#define X86_FEATURE_VME (0*32+ 1) /* Virtual Mode Extensions */
+#define X86_FEATURE_DE (0*32+ 2) /* Debugging Extensions */
+#define X86_FEATURE_PSE (0*32+ 3) /* Page Size Extensions */
+#define X86_FEATURE_TSC (0*32+ 4) /* Time Stamp Counter */
+#define X86_FEATURE_MSR (0*32+ 5) /* Model-Specific Registers, RDMSR, WRMSR */
+#define X86_FEATURE_PAE (0*32+ 6) /* Physical Address Extensions */
+#define X86_FEATURE_MCE (0*32+ 7) /* Machine Check Architecture */
+#define X86_FEATURE_CX8 (0*32+ 8) /* CMPXCHG8 instruction */
+#define X86_FEATURE_APIC (0*32+ 9) /* Onboard APIC */
+#define X86_FEATURE_SEP (0*32+11) /* SYSENTER/SYSEXIT */
+#define X86_FEATURE_MTRR (0*32+12) /* Memory Type Range Registers */
+#define X86_FEATURE_PGE (0*32+13) /* Page Global Enable */
+#define X86_FEATURE_MCA (0*32+14) /* Machine Check Architecture */
+#define X86_FEATURE_CMOV (0*32+15) /* CMOV instruction (FCMOVCC and FCOMI too if FPU present) */
+#define X86_FEATURE_PAT (0*32+16) /* Page Attribute Table */
+#define X86_FEATURE_PSE36 (0*32+17) /* 36-bit PSEs */
+#define X86_FEATURE_PN (0*32+18) /* Processor serial number */
+#define X86_FEATURE_CLFLSH (0*32+19) /* Supports the CLFLUSH instruction */
+#define X86_FEATURE_DS (0*32+21) /* Debug Store */
+#define X86_FEATURE_ACPI (0*32+22) /* ACPI via MSR */
+#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */
+#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions (fast save and restore */
+ /* of FPU context), and CR4.OSFXSR available */
+#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */
+#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */
+#define X86_FEATURE_SELFSNOOP (0*32+27) /* CPU self snoop */
+#define X86_FEATURE_HT (0*32+28) /* Hyper-Threading */
+#define X86_FEATURE_ACC (0*32+29) /* Automatic clock control */
+#define X86_FEATURE_IA64 (0*32+30) /* IA-64 processor */
+
+/* AMD-defined CPU features, CPUID level 0x80000001, word 1 */
+/* Don't duplicate feature flags which are redundant with Intel! */
+#define X86_FEATURE_SYSCALL (1*32+11) /* SYSCALL/SYSRET */
+#define X86_FEATURE_MP (1*32+19) /* MP Capable. */
+#define X86_FEATURE_NX (1*32+20) /* Execute Disable */
+#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */
+#define X86_FEATURE_RDTSCP (1*32+27) /* RDTSCP */
+#define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */
+#define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */
+#define X86_FEATURE_3DNOW (1*32+31) /* 3DNow! */
+
+/* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */
+#define X86_FEATURE_RECOVERY (2*32+ 0) /* CPU in recovery mode */
+#define X86_FEATURE_LONGRUN (2*32+ 1) /* Longrun power control */
+#define X86_FEATURE_LRTI (2*32+ 3) /* LongRun table interface */
+
+/* Other features, Linux-defined mapping, word 3 */
+/* This range is used for feature bits which conflict or are synthesized */
+#define X86_FEATURE_CXMMX (3*32+ 0) /* Cyrix MMX extensions */
+#define X86_FEATURE_K6_MTRR (3*32+ 1) /* AMD K6 nonstandard MTRRs */
+#define X86_FEATURE_CYRIX_ARR (3*32+ 2) /* Cyrix ARRs (= MTRRs) */
+#define X86_FEATURE_CENTAUR_MCR (3*32+ 3) /* Centaur MCRs (= MTRRs) */
+/* cpu types for specific tunings: */
+#define X86_FEATURE_K8 (3*32+ 4) /* Opteron, Athlon64 */
+#define X86_FEATURE_K7 (3*32+ 5) /* Athlon */
+#define X86_FEATURE_P3 (3*32+ 6) /* P3 */
+#define X86_FEATURE_P4 (3*32+ 7) /* P4 */
+#define X86_FEATURE_CONSTANT_TSC (3*32+ 8) /* TSC ticks at a constant rate */
+#define X86_FEATURE_UP (3*32+ 9) /* smp kernel running on up */
+#define X86_FEATURE_FXSAVE_LEAK (3*32+10) /* FXSAVE leaks FOP/FIP/FOP */
+#define X86_FEATURE_ARCH_PERFMON (3*32+11) /* Intel Architectural PerfMon */
+#define X86_FEATURE_PEBS (3*32+12) /* Precise-Event Based Sampling */
+#define X86_FEATURE_BTS (3*32+13) /* Branch Trace Store */
+/* 14 free */
+#define X86_FEATURE_SYNC_RDTSC (3*32+15) /* RDTSC synchronizes the CPU */
+#define X86_FEATURE_REP_GOOD (3*32+16) /* rep microcode works well on this CPU */
+
+/* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */
+#define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */
+#define X86_FEATURE_MWAIT (4*32+ 3) /* Monitor/Mwait support */
+#define X86_FEATURE_DSCPL (4*32+ 4) /* CPL Qualified Debug Store */
+#define X86_FEATURE_EST (4*32+ 7) /* Enhanced SpeedStep */
+#define X86_FEATURE_TM2 (4*32+ 8) /* Thermal Monitor 2 */
+#define X86_FEATURE_CID (4*32+10) /* Context ID */
+#define X86_FEATURE_CX16 (4*32+13) /* CMPXCHG16B */
+#define X86_FEATURE_XTPR (4*32+14) /* Send Task Priority Messages */
+
+/* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */
+#define X86_FEATURE_XSTORE (5*32+ 2) /* on-CPU RNG present (xstore insn) */
+#define X86_FEATURE_XSTORE_EN (5*32+ 3) /* on-CPU RNG enabled */
+#define X86_FEATURE_XCRYPT (5*32+ 6) /* on-CPU crypto (xcrypt insn) */
+#define X86_FEATURE_XCRYPT_EN (5*32+ 7) /* on-CPU crypto enabled */
+#define X86_FEATURE_ACE2 (5*32+ 8) /* Advanced Cryptography Engine v2 */
+#define X86_FEATURE_ACE2_EN (5*32+ 9) /* ACE v2 enabled */
+#define X86_FEATURE_PHE (5*32+ 10) /* PadLock Hash Engine */
+#define X86_FEATURE_PHE_EN (5*32+ 11) /* PHE enabled */
+#define X86_FEATURE_PMM (5*32+ 12) /* PadLock Montgomery Multiplier */
+#define X86_FEATURE_PMM_EN (5*32+ 13) /* PMM enabled */
+
+/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */
+#define X86_FEATURE_LAHF_LM (6*32+ 0) /* LAHF/SAHF in long mode */
+#define X86_FEATURE_CMP_LEGACY (6*32+ 1) /* If yes HyperThreading not valid */
+
+/*
+ * Auxiliary flags: Linux defined - For features scattered in various
+ * CPUID levels like 0x6, 0xA etc
+ */
+#define X86_FEATURE_IDA (7*32+ 0) /* Intel Dynamic Acceleration */
+
+#define cpu_has(c, bit) \
+ (__builtin_constant_p(bit) && \
+ ( (((bit)>>5)==0 && (1UL<<((bit)&31) & REQUIRED_MASK0)) || \
+ (((bit)>>5)==1 && (1UL<<((bit)&31) & REQUIRED_MASK1)) || \
+ (((bit)>>5)==2 && (1UL<<((bit)&31) & REQUIRED_MASK2)) || \
+ (((bit)>>5)==3 && (1UL<<((bit)&31) & REQUIRED_MASK3)) || \
+ (((bit)>>5)==4 && (1UL<<((bit)&31) & REQUIRED_MASK4)) || \
+ (((bit)>>5)==5 && (1UL<<((bit)&31) & REQUIRED_MASK5)) || \
+ (((bit)>>5)==6 && (1UL<<((bit)&31) & REQUIRED_MASK6)) || \
+ (((bit)>>5)==7 && (1UL<<((bit)&31) & REQUIRED_MASK7)) ) \
+ ? 1 : \
+ test_bit(bit, (c)->x86_capability))
+#define boot_cpu_has(bit) cpu_has(&boot_cpu_data, bit)
+
+#define cpu_has_fpu boot_cpu_has(X86_FEATURE_FPU)
+#define cpu_has_vme boot_cpu_has(X86_FEATURE_VME)
+#define cpu_has_de boot_cpu_has(X86_FEATURE_DE)
+#define cpu_has_pse boot_cpu_has(X86_FEATURE_PSE)
+#define cpu_has_tsc boot_cpu_has(X86_FEATURE_TSC)
+#define cpu_has_pae boot_cpu_has(X86_FEATURE_PAE)
+#define cpu_has_pge boot_cpu_has(X86_FEATURE_PGE)
+#define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC)
+#define cpu_has_sep boot_cpu_has(X86_FEATURE_SEP)
+#define cpu_has_mtrr boot_cpu_has(X86_FEATURE_MTRR)
+#define cpu_has_mmx boot_cpu_has(X86_FEATURE_MMX)
+#define cpu_has_fxsr boot_cpu_has(X86_FEATURE_FXSR)
+#define cpu_has_xmm boot_cpu_has(X86_FEATURE_XMM)
+#define cpu_has_xmm2 boot_cpu_has(X86_FEATURE_XMM2)
+#define cpu_has_xmm3 boot_cpu_has(X86_FEATURE_XMM3)
+#define cpu_has_ht boot_cpu_has(X86_FEATURE_HT)
+#define cpu_has_mp boot_cpu_has(X86_FEATURE_MP)
+#define cpu_has_nx boot_cpu_has(X86_FEATURE_NX)
+#define cpu_has_k6_mtrr boot_cpu_has(X86_FEATURE_K6_MTRR)
+#define cpu_has_cyrix_arr boot_cpu_has(X86_FEATURE_CYRIX_ARR)
+#define cpu_has_centaur_mcr boot_cpu_has(X86_FEATURE_CENTAUR_MCR)
+#define cpu_has_xstore boot_cpu_has(X86_FEATURE_XSTORE)
+#define cpu_has_xstore_enabled boot_cpu_has(X86_FEATURE_XSTORE_EN)
+#define cpu_has_xcrypt boot_cpu_has(X86_FEATURE_XCRYPT)
+#define cpu_has_xcrypt_enabled boot_cpu_has(X86_FEATURE_XCRYPT_EN)
+#define cpu_has_ace2 boot_cpu_has(X86_FEATURE_ACE2)
+#define cpu_has_ace2_enabled boot_cpu_has(X86_FEATURE_ACE2_EN)
+#define cpu_has_phe boot_cpu_has(X86_FEATURE_PHE)
+#define cpu_has_phe_enabled boot_cpu_has(X86_FEATURE_PHE_EN)
+#define cpu_has_pmm boot_cpu_has(X86_FEATURE_PMM)
+#define cpu_has_pmm_enabled boot_cpu_has(X86_FEATURE_PMM_EN)
+#define cpu_has_ds boot_cpu_has(X86_FEATURE_DS)
+#define cpu_has_pebs boot_cpu_has(X86_FEATURE_PEBS)
+#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLSH)
+#define cpu_has_bts boot_cpu_has(X86_FEATURE_BTS)
+
+#endif /* __ASM_I386_CPUFEATURE_H */
+
+/*
+ * Local Variables:
+ * mode:c
+ * comment-column:42
+ * End:
+ */