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Diffstat (limited to 'include/asm-i386/cpufeature.h')
-rw-r--r-- | include/asm-i386/cpufeature.h | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/include/asm-i386/cpufeature.h b/include/asm-i386/cpufeature.h new file mode 100644 index 000000000000..e147cabd3bfe --- /dev/null +++ b/include/asm-i386/cpufeature.h | |||
@@ -0,0 +1,129 @@ | |||
1 | /* | ||
2 | * cpufeature.h | ||
3 | * | ||
4 | * Defines x86 CPU feature bits | ||
5 | */ | ||
6 | |||
7 | #ifndef __ASM_I386_CPUFEATURE_H | ||
8 | #define __ASM_I386_CPUFEATURE_H | ||
9 | |||
10 | #include <linux/bitops.h> | ||
11 | |||
12 | #define NCAPINTS 7 /* N 32-bit words worth of info */ | ||
13 | |||
14 | /* Intel-defined CPU features, CPUID level 0x00000001 (edx), word 0 */ | ||
15 | #define X86_FEATURE_FPU (0*32+ 0) /* Onboard FPU */ | ||
16 | #define X86_FEATURE_VME (0*32+ 1) /* Virtual Mode Extensions */ | ||
17 | #define X86_FEATURE_DE (0*32+ 2) /* Debugging Extensions */ | ||
18 | #define X86_FEATURE_PSE (0*32+ 3) /* Page Size Extensions */ | ||
19 | #define X86_FEATURE_TSC (0*32+ 4) /* Time Stamp Counter */ | ||
20 | #define X86_FEATURE_MSR (0*32+ 5) /* Model-Specific Registers, RDMSR, WRMSR */ | ||
21 | #define X86_FEATURE_PAE (0*32+ 6) /* Physical Address Extensions */ | ||
22 | #define X86_FEATURE_MCE (0*32+ 7) /* Machine Check Architecture */ | ||
23 | #define X86_FEATURE_CX8 (0*32+ 8) /* CMPXCHG8 instruction */ | ||
24 | #define X86_FEATURE_APIC (0*32+ 9) /* Onboard APIC */ | ||
25 | #define X86_FEATURE_SEP (0*32+11) /* SYSENTER/SYSEXIT */ | ||
26 | #define X86_FEATURE_MTRR (0*32+12) /* Memory Type Range Registers */ | ||
27 | #define X86_FEATURE_PGE (0*32+13) /* Page Global Enable */ | ||
28 | #define X86_FEATURE_MCA (0*32+14) /* Machine Check Architecture */ | ||
29 | #define X86_FEATURE_CMOV (0*32+15) /* CMOV instruction (FCMOVCC and FCOMI too if FPU present) */ | ||
30 | #define X86_FEATURE_PAT (0*32+16) /* Page Attribute Table */ | ||
31 | #define X86_FEATURE_PSE36 (0*32+17) /* 36-bit PSEs */ | ||
32 | #define X86_FEATURE_PN (0*32+18) /* Processor serial number */ | ||
33 | #define X86_FEATURE_CLFLSH (0*32+19) /* Supports the CLFLUSH instruction */ | ||
34 | #define X86_FEATURE_DTES (0*32+21) /* Debug Trace Store */ | ||
35 | #define X86_FEATURE_ACPI (0*32+22) /* ACPI via MSR */ | ||
36 | #define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */ | ||
37 | #define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions (fast save and restore */ | ||
38 | /* of FPU context), and CR4.OSFXSR available */ | ||
39 | #define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */ | ||
40 | #define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */ | ||
41 | #define X86_FEATURE_SELFSNOOP (0*32+27) /* CPU self snoop */ | ||
42 | #define X86_FEATURE_HT (0*32+28) /* Hyper-Threading */ | ||
43 | #define X86_FEATURE_ACC (0*32+29) /* Automatic clock control */ | ||
44 | #define X86_FEATURE_IA64 (0*32+30) /* IA-64 processor */ | ||
45 | |||
46 | /* AMD-defined CPU features, CPUID level 0x80000001, word 1 */ | ||
47 | /* Don't duplicate feature flags which are redundant with Intel! */ | ||
48 | #define X86_FEATURE_SYSCALL (1*32+11) /* SYSCALL/SYSRET */ | ||
49 | #define X86_FEATURE_MP (1*32+19) /* MP Capable. */ | ||
50 | #define X86_FEATURE_NX (1*32+20) /* Execute Disable */ | ||
51 | #define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ | ||
52 | #define X86_FEATURE_LM (1*32+29) /* Long Mode (x86-64) */ | ||
53 | #define X86_FEATURE_3DNOWEXT (1*32+30) /* AMD 3DNow! extensions */ | ||
54 | #define X86_FEATURE_3DNOW (1*32+31) /* 3DNow! */ | ||
55 | |||
56 | /* Transmeta-defined CPU features, CPUID level 0x80860001, word 2 */ | ||
57 | #define X86_FEATURE_RECOVERY (2*32+ 0) /* CPU in recovery mode */ | ||
58 | #define X86_FEATURE_LONGRUN (2*32+ 1) /* Longrun power control */ | ||
59 | #define X86_FEATURE_LRTI (2*32+ 3) /* LongRun table interface */ | ||
60 | |||
61 | /* Other features, Linux-defined mapping, word 3 */ | ||
62 | /* This range is used for feature bits which conflict or are synthesized */ | ||
63 | #define X86_FEATURE_CXMMX (3*32+ 0) /* Cyrix MMX extensions */ | ||
64 | #define X86_FEATURE_K6_MTRR (3*32+ 1) /* AMD K6 nonstandard MTRRs */ | ||
65 | #define X86_FEATURE_CYRIX_ARR (3*32+ 2) /* Cyrix ARRs (= MTRRs) */ | ||
66 | #define X86_FEATURE_CENTAUR_MCR (3*32+ 3) /* Centaur MCRs (= MTRRs) */ | ||
67 | /* cpu types for specific tunings: */ | ||
68 | #define X86_FEATURE_K8 (3*32+ 4) /* Opteron, Athlon64 */ | ||
69 | #define X86_FEATURE_K7 (3*32+ 5) /* Athlon */ | ||
70 | #define X86_FEATURE_P3 (3*32+ 6) /* P3 */ | ||
71 | #define X86_FEATURE_P4 (3*32+ 7) /* P4 */ | ||
72 | |||
73 | /* Intel-defined CPU features, CPUID level 0x00000001 (ecx), word 4 */ | ||
74 | #define X86_FEATURE_XMM3 (4*32+ 0) /* Streaming SIMD Extensions-3 */ | ||
75 | #define X86_FEATURE_MWAIT (4*32+ 3) /* Monitor/Mwait support */ | ||
76 | #define X86_FEATURE_DSCPL (4*32+ 4) /* CPL Qualified Debug Store */ | ||
77 | #define X86_FEATURE_EST (4*32+ 7) /* Enhanced SpeedStep */ | ||
78 | #define X86_FEATURE_TM2 (4*32+ 8) /* Thermal Monitor 2 */ | ||
79 | #define X86_FEATURE_CID (4*32+10) /* Context ID */ | ||
80 | #define X86_FEATURE_CX16 (4*32+13) /* CMPXCHG16B */ | ||
81 | #define X86_FEATURE_XTPR (4*32+14) /* Send Task Priority Messages */ | ||
82 | |||
83 | /* VIA/Cyrix/Centaur-defined CPU features, CPUID level 0xC0000001, word 5 */ | ||
84 | #define X86_FEATURE_XSTORE (5*32+ 2) /* on-CPU RNG present (xstore insn) */ | ||
85 | #define X86_FEATURE_XSTORE_EN (5*32+ 3) /* on-CPU RNG enabled */ | ||
86 | #define X86_FEATURE_XCRYPT (5*32+ 6) /* on-CPU crypto (xcrypt insn) */ | ||
87 | #define X86_FEATURE_XCRYPT_EN (5*32+ 7) /* on-CPU crypto enabled */ | ||
88 | |||
89 | /* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */ | ||
90 | #define X86_FEATURE_LAHF_LM (5*32+ 0) /* LAHF/SAHF in long mode */ | ||
91 | #define X86_FEATURE_CMP_LEGACY (5*32+ 1) /* If yes HyperThreading not valid */ | ||
92 | |||
93 | #define cpu_has(c, bit) test_bit(bit, (c)->x86_capability) | ||
94 | #define boot_cpu_has(bit) test_bit(bit, boot_cpu_data.x86_capability) | ||
95 | |||
96 | #define cpu_has_fpu boot_cpu_has(X86_FEATURE_FPU) | ||
97 | #define cpu_has_vme boot_cpu_has(X86_FEATURE_VME) | ||
98 | #define cpu_has_de boot_cpu_has(X86_FEATURE_DE) | ||
99 | #define cpu_has_pse boot_cpu_has(X86_FEATURE_PSE) | ||
100 | #define cpu_has_tsc boot_cpu_has(X86_FEATURE_TSC) | ||
101 | #define cpu_has_pae boot_cpu_has(X86_FEATURE_PAE) | ||
102 | #define cpu_has_pge boot_cpu_has(X86_FEATURE_PGE) | ||
103 | #define cpu_has_apic boot_cpu_has(X86_FEATURE_APIC) | ||
104 | #define cpu_has_sep boot_cpu_has(X86_FEATURE_SEP) | ||
105 | #define cpu_has_mtrr boot_cpu_has(X86_FEATURE_MTRR) | ||
106 | #define cpu_has_mmx boot_cpu_has(X86_FEATURE_MMX) | ||
107 | #define cpu_has_fxsr boot_cpu_has(X86_FEATURE_FXSR) | ||
108 | #define cpu_has_xmm boot_cpu_has(X86_FEATURE_XMM) | ||
109 | #define cpu_has_xmm2 boot_cpu_has(X86_FEATURE_XMM2) | ||
110 | #define cpu_has_xmm3 boot_cpu_has(X86_FEATURE_XMM3) | ||
111 | #define cpu_has_ht boot_cpu_has(X86_FEATURE_HT) | ||
112 | #define cpu_has_mp boot_cpu_has(X86_FEATURE_MP) | ||
113 | #define cpu_has_nx boot_cpu_has(X86_FEATURE_NX) | ||
114 | #define cpu_has_k6_mtrr boot_cpu_has(X86_FEATURE_K6_MTRR) | ||
115 | #define cpu_has_cyrix_arr boot_cpu_has(X86_FEATURE_CYRIX_ARR) | ||
116 | #define cpu_has_centaur_mcr boot_cpu_has(X86_FEATURE_CENTAUR_MCR) | ||
117 | #define cpu_has_xstore boot_cpu_has(X86_FEATURE_XSTORE) | ||
118 | #define cpu_has_xstore_enabled boot_cpu_has(X86_FEATURE_XSTORE_EN) | ||
119 | #define cpu_has_xcrypt boot_cpu_has(X86_FEATURE_XCRYPT) | ||
120 | #define cpu_has_xcrypt_enabled boot_cpu_has(X86_FEATURE_XCRYPT_EN) | ||
121 | |||
122 | #endif /* __ASM_I386_CPUFEATURE_H */ | ||
123 | |||
124 | /* | ||
125 | * Local Variables: | ||
126 | * mode:c | ||
127 | * comment-column:42 | ||
128 | * End: | ||
129 | */ | ||