1/* This file is part of the GNU C Library.
2 Copyright (C) 2008-2020 Free Software Foundation, Inc.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#ifndef cpu_features_h
19#define cpu_features_h
20
21enum
22{
23 /* The integer bit array index for the first set of preferred feature
24 bits. */
25 PREFERRED_FEATURE_INDEX_1 = 0,
26 /* The current maximum size of the feature integer bit array. */
27 PREFERRED_FEATURE_INDEX_MAX
28};
29
30enum
31{
32 COMMON_CPUID_INDEX_1 = 0,
33 COMMON_CPUID_INDEX_7,
34 COMMON_CPUID_INDEX_80000001,
35 COMMON_CPUID_INDEX_D_ECX_1,
36 COMMON_CPUID_INDEX_80000007,
37 COMMON_CPUID_INDEX_80000008,
38 COMMON_CPUID_INDEX_7_ECX_1,
39 /* Keep the following line at the end. */
40 COMMON_CPUID_INDEX_MAX
41};
42
43struct cpuid_registers
44{
45 unsigned int eax;
46 unsigned int ebx;
47 unsigned int ecx;
48 unsigned int edx;
49};
50
51struct cpuid_features
52{
53 struct cpuid_registers cpuid;
54 struct cpuid_registers usable;
55};
56
57enum cpu_features_kind
58{
59 arch_kind_unknown = 0,
60 arch_kind_intel,
61 arch_kind_amd,
62 arch_kind_zhaoxin,
63 arch_kind_other
64};
65
66struct cpu_features_basic
67{
68 enum cpu_features_kind kind;
69 int max_cpuid;
70 unsigned int family;
71 unsigned int model;
72 unsigned int stepping;
73};
74
75struct cpu_features
76{
77 struct cpu_features_basic basic;
78 struct cpuid_features features[COMMON_CPUID_INDEX_MAX];
79 unsigned int preferred[PREFERRED_FEATURE_INDEX_MAX];
80 /* The state size for XSAVEC or XSAVE. The type must be unsigned long
81 int so that we use
82
83 sub xsave_state_size_offset(%rip) %RSP_LP
84
85 in _dl_runtime_resolve. */
86 unsigned long int xsave_state_size;
87 /* The full state size for XSAVE when XSAVEC is disabled by
88
89 GLIBC_TUNABLES=glibc.cpu.hwcaps=-XSAVEC
90 */
91 unsigned int xsave_state_full_size;
92 /* Data cache size for use in memory and string routines, typically
93 L1 size. */
94 unsigned long int data_cache_size;
95 /* Shared cache size for use in memory and string routines, typically
96 L2 or L3 size. */
97 unsigned long int shared_cache_size;
98 /* Threshold to use non temporal store. */
99 unsigned long int non_temporal_threshold;
100 /* Threshold to use "rep movsb". */
101 unsigned long int rep_movsb_threshold;
102 /* Threshold to use "rep stosb". */
103 unsigned long int rep_stosb_threshold;
104};
105
106/* Used from outside of glibc to get access to the CPU features
107 structure. */
108extern const struct cpu_features *__get_cpu_features (void)
109 __attribute__ ((const));
110
111/* Only used directly in cpu-features.c. */
112#define CPU_FEATURE_CHECK_P(ptr, name, check) \
113 ((ptr->features[index_cpu_##name].check.reg_##name \
114 & bit_cpu_##name) != 0)
115#define CPU_FEATURE_SET(ptr, name) \
116 ptr->features[index_cpu_##name].usable.reg_##name |= bit_cpu_##name;
117#define CPU_FEATURE_UNSET(ptr, name) \
118 ptr->features[index_cpu_##name].usable.reg_##name &= ~bit_cpu_##name;
119#define CPU_FEATURE_SET_USABLE(ptr, name) \
120 ptr->features[index_cpu_##name].usable.reg_##name \
121 |= ptr->features[index_cpu_##name].cpuid.reg_##name & bit_cpu_##name;
122#define CPU_FEATURE_PREFERRED_P(ptr, name) \
123 ((ptr->preferred[index_arch_##name] & bit_arch_##name) != 0)
124#define CPU_FEATURE_CPU_P(ptr, name) \
125 CPU_FEATURE_CHECK_P (ptr, name, cpuid)
126#define CPU_FEATURE_USABLE_P(ptr, name) \
127 CPU_FEATURE_CHECK_P (ptr, name, usable)
128
129/* HAS_CPU_FEATURE evaluates to true if CPU supports the feature. */
130#define HAS_CPU_FEATURE(name) \
131 CPU_FEATURE_CPU_P (__get_cpu_features (), name)
132/* CPU_FEATURE_USABLE evaluates to true if the feature is usable. */
133#define CPU_FEATURE_USABLE(name) \
134 CPU_FEATURE_USABLE_P (__get_cpu_features (), name)
135/* CPU_FEATURE_PREFER evaluates to true if we prefer the feature at
136 runtime. */
137#define CPU_FEATURE_PREFERRED(name) \
138 CPU_FEATURE_PREFERRED_P(__get_cpu_features (), name)
139
140#define CPU_FEATURES_CPU_P(ptr, name) \
141 CPU_FEATURE_CPU_P (ptr, name)
142#define CPU_FEATURES_ARCH_P(ptr, name) \
143 CPU_FEATURE_PREFERRED_P (ptr, name)
144#define HAS_ARCH_FEATURE(name) \
145 CPU_FEATURE_PREFERRED (name)
146
147/* CPU features. */
148
149/* COMMON_CPUID_INDEX_1. */
150
151/* ECX. */
152#define bit_cpu_SSE3 (1u << 0)
153#define bit_cpu_PCLMULQDQ (1u << 1)
154#define bit_cpu_DTES64 (1u << 2)
155#define bit_cpu_MONITOR (1u << 3)
156#define bit_cpu_DS_CPL (1u << 4)
157#define bit_cpu_VMX (1u << 5)
158#define bit_cpu_SMX (1u << 6)
159#define bit_cpu_EST (1u << 7)
160#define bit_cpu_TM2 (1u << 8)
161#define bit_cpu_SSSE3 (1u << 9)
162#define bit_cpu_CNXT_ID (1u << 10)
163#define bit_cpu_SDBG (1u << 11)
164#define bit_cpu_FMA (1u << 12)
165#define bit_cpu_CMPXCHG16B (1u << 13)
166#define bit_cpu_XTPRUPDCTRL (1u << 14)
167#define bit_cpu_PDCM (1u << 15)
168#define bit_cpu_INDEX_1_ECX_16 (1u << 16)
169#define bit_cpu_PCID (1u << 17)
170#define bit_cpu_DCA (1u << 18)
171#define bit_cpu_SSE4_1 (1u << 19)
172#define bit_cpu_SSE4_2 (1u << 20)
173#define bit_cpu_X2APIC (1u << 21)
174#define bit_cpu_MOVBE (1u << 22)
175#define bit_cpu_POPCNT (1u << 23)
176#define bit_cpu_TSC_DEADLINE (1u << 24)
177#define bit_cpu_AES (1u << 25)
178#define bit_cpu_XSAVE (1u << 26)
179#define bit_cpu_OSXSAVE (1u << 27)
180#define bit_cpu_AVX (1u << 28)
181#define bit_cpu_F16C (1u << 29)
182#define bit_cpu_RDRAND (1u << 30)
183#define bit_cpu_INDEX_1_ECX_31 (1u << 31)
184
185/* EDX. */
186#define bit_cpu_FPU (1u << 0)
187#define bit_cpu_VME (1u << 1)
188#define bit_cpu_DE (1u << 2)
189#define bit_cpu_PSE (1u << 3)
190#define bit_cpu_TSC (1u << 4)
191#define bit_cpu_MSR (1u << 5)
192#define bit_cpu_PAE (1u << 6)
193#define bit_cpu_MCE (1u << 7)
194#define bit_cpu_CX8 (1u << 8)
195#define bit_cpu_APIC (1u << 9)
196#define bit_cpu_INDEX_1_EDX_10 (1u << 10)
197#define bit_cpu_SEP (1u << 11)
198#define bit_cpu_MTRR (1u << 12)
199#define bit_cpu_PGE (1u << 13)
200#define bit_cpu_MCA (1u << 14)
201#define bit_cpu_CMOV (1u << 15)
202#define bit_cpu_PAT (1u << 16)
203#define bit_cpu_PSE_36 (1u << 17)
204#define bit_cpu_PSN (1u << 18)
205#define bit_cpu_CLFSH (1u << 19)
206#define bit_cpu_INDEX_1_EDX_20 (1u << 20)
207#define bit_cpu_DS (1u << 21)
208#define bit_cpu_ACPI (1u << 22)
209#define bit_cpu_MMX (1u << 23)
210#define bit_cpu_FXSR (1u << 24)
211#define bit_cpu_SSE (1u << 25)
212#define bit_cpu_SSE2 (1u << 26)
213#define bit_cpu_SS (1u << 27)
214#define bit_cpu_HTT (1u << 28)
215#define bit_cpu_TM (1u << 29)
216#define bit_cpu_INDEX_1_EDX_30 (1u << 30)
217#define bit_cpu_PBE (1u << 31)
218
219/* COMMON_CPUID_INDEX_7. */
220
221/* EBX. */
222#define bit_cpu_FSGSBASE (1u << 0)
223#define bit_cpu_TSC_ADJUST (1u << 1)
224#define bit_cpu_SGX (1u << 2)
225#define bit_cpu_BMI1 (1u << 3)
226#define bit_cpu_HLE (1u << 4)
227#define bit_cpu_AVX2 (1u << 5)
228#define bit_cpu_INDEX_7_EBX_6 (1u << 6)
229#define bit_cpu_SMEP (1u << 7)
230#define bit_cpu_BMI2 (1u << 8)
231#define bit_cpu_ERMS (1u << 9)
232#define bit_cpu_INVPCID (1u << 10)
233#define bit_cpu_RTM (1u << 11)
234#define bit_cpu_PQM (1u << 12)
235#define bit_cpu_DEPR_FPU_CS_DS (1u << 13)
236#define bit_cpu_MPX (1u << 14)
237#define bit_cpu_PQE (1u << 15)
238#define bit_cpu_AVX512F (1u << 16)
239#define bit_cpu_AVX512DQ (1u << 17)
240#define bit_cpu_RDSEED (1u << 18)
241#define bit_cpu_ADX (1u << 19)
242#define bit_cpu_SMAP (1u << 20)
243#define bit_cpu_AVX512_IFMA (1u << 21)
244#define bit_cpu_INDEX_7_EBX_22 (1u << 22)
245#define bit_cpu_CLFLUSHOPT (1u << 23)
246#define bit_cpu_CLWB (1u << 24)
247#define bit_cpu_TRACE (1u << 25)
248#define bit_cpu_AVX512PF (1u << 26)
249#define bit_cpu_AVX512ER (1u << 27)
250#define bit_cpu_AVX512CD (1u << 28)
251#define bit_cpu_SHA (1u << 29)
252#define bit_cpu_AVX512BW (1u << 30)
253#define bit_cpu_AVX512VL (1u << 31)
254
255/* ECX. */
256#define bit_cpu_PREFETCHWT1 (1u << 0)
257#define bit_cpu_AVX512_VBMI (1u << 1)
258#define bit_cpu_UMIP (1u << 2)
259#define bit_cpu_PKU (1u << 3)
260#define bit_cpu_OSPKE (1u << 4)
261#define bit_cpu_WAITPKG (1u << 5)
262#define bit_cpu_AVX512_VBMI2 (1u << 6)
263#define bit_cpu_SHSTK (1u << 7)
264#define bit_cpu_GFNI (1u << 8)
265#define bit_cpu_VAES (1u << 9)
266#define bit_cpu_VPCLMULQDQ (1u << 10)
267#define bit_cpu_AVX512_VNNI (1u << 11)
268#define bit_cpu_AVX512_BITALG (1u << 12)
269#define bit_cpu_INDEX_7_ECX_13 (1u << 13)
270#define bit_cpu_AVX512_VPOPCNTDQ (1u << 14)
271#define bit_cpu_INDEX_7_ECX_15 (1u << 15)
272#define bit_cpu_INDEX_7_ECX_16 (1u << 16)
273/* Note: Bits 17-21: The value of MAWAU used by the BNDLDX and BNDSTX
274 instructions in 64-bit mode. */
275#define bit_cpu_RDPID (1u << 22)
276#define bit_cpu_INDEX_7_ECX_23 (1u << 23)
277#define bit_cpu_INDEX_7_ECX_24 (1u << 24)
278#define bit_cpu_CLDEMOTE (1u << 25)
279#define bit_cpu_INDEX_7_ECX_26 (1u << 26)
280#define bit_cpu_MOVDIRI (1u << 27)
281#define bit_cpu_MOVDIR64B (1u << 28)
282#define bit_cpu_ENQCMD (1u << 29)
283#define bit_cpu_SGX_LC (1u << 30)
284#define bit_cpu_PKS (1u << 31)
285
286/* EDX. */
287#define bit_cpu_INDEX_7_EDX_0 (1u << 0)
288#define bit_cpu_INDEX_7_EDX_1 (1u << 1)
289#define bit_cpu_AVX512_4VNNIW (1u << 2)
290#define bit_cpu_AVX512_4FMAPS (1u << 3)
291#define bit_cpu_FSRM (1u << 4)
292#define bit_cpu_INDEX_7_EDX_5 (1u << 5)
293#define bit_cpu_INDEX_7_EDX_6 (1u << 6)
294#define bit_cpu_INDEX_7_EDX_7 (1u << 7)
295#define bit_cpu_AVX512_VP2INTERSECT (1u << 8)
296#define bit_cpu_INDEX_7_EDX_9 (1u << 9)
297#define bit_cpu_MD_CLEAR (1u << 10)
298#define bit_cpu_INDEX_7_EDX_11 (1u << 11)
299#define bit_cpu_INDEX_7_EDX_12 (1u << 12)
300#define bit_cpu_INDEX_7_EDX_13 (1u << 13)
301#define bit_cpu_SERIALIZE (1u << 14)
302#define bit_cpu_HYBRID (1u << 15)
303#define bit_cpu_TSXLDTRK (1u << 16)
304#define bit_cpu_INDEX_7_EDX_17 (1u << 17)
305#define bit_cpu_PCONFIG (1u << 18)
306#define bit_cpu_INDEX_7_EDX_19 (1u << 19)
307#define bit_cpu_IBT (1u << 20)
308#define bit_cpu_INDEX_7_EDX_21 (1u << 21)
309#define bit_cpu_AMX_BF16 (1u << 22)
310#define bit_cpu_INDEX_7_EDX_23 (1u << 23)
311#define bit_cpu_AMX_TILE (1u << 24)
312#define bit_cpu_AMX_INT8 (1u << 25)
313#define bit_cpu_IBRS_IBPB (1u << 26)
314#define bit_cpu_STIBP (1u << 27)
315#define bit_cpu_L1D_FLUSH (1u << 28)
316#define bit_cpu_ARCH_CAPABILITIES (1u << 29)
317#define bit_cpu_CORE_CAPABILITIES (1u << 30)
318#define bit_cpu_SSBD (1u << 31)
319
320/* COMMON_CPUID_INDEX_80000001. */
321
322/* ECX. */
323#define bit_cpu_LAHF64_SAHF64 (1u << 0)
324#define bit_cpu_SVM (1u << 2)
325#define bit_cpu_LZCNT (1u << 5)
326#define bit_cpu_SSE4A (1u << 6)
327#define bit_cpu_PREFETCHW (1u << 8)
328#define bit_cpu_XOP (1u << 11)
329#define bit_cpu_LWP (1u << 15)
330#define bit_cpu_FMA4 (1u << 16)
331#define bit_cpu_TBM (1u << 21)
332
333/* EDX. */
334#define bit_cpu_SYSCALL_SYSRET (1u << 11)
335#define bit_cpu_NX (1u << 20)
336#define bit_cpu_PAGE1GB (1u << 26)
337#define bit_cpu_RDTSCP (1u << 27)
338#define bit_cpu_LM (1u << 29)
339
340/* COMMON_CPUID_INDEX_D_ECX_1. */
341
342/* EAX. */
343#define bit_cpu_XSAVEOPT (1u << 0)
344#define bit_cpu_XSAVEC (1u << 1)
345#define bit_cpu_XGETBV_ECX_1 (1u << 2)
346#define bit_cpu_XSAVES (1u << 3)
347#define bit_cpu_XFD (1u << 4)
348
349/* COMMON_CPUID_INDEX_80000007. */
350
351/* EDX. */
352#define bit_cpu_INVARIANT_TSC (1u << 8)
353
354/* COMMON_CPUID_INDEX_80000008. */
355
356/* EBX. */
357#define bit_cpu_WBNOINVD (1u << 9)
358
359/* COMMON_CPUID_INDEX_7_ECX_1. */
360
361/* EAX. */
362#define bit_cpu_AVX512_BF16 (1u << 5)
363
364/* COMMON_CPUID_INDEX_1. */
365
366/* ECX. */
367#define index_cpu_SSE3 COMMON_CPUID_INDEX_1
368#define index_cpu_PCLMULQDQ COMMON_CPUID_INDEX_1
369#define index_cpu_DTES64 COMMON_CPUID_INDEX_1
370#define index_cpu_MONITOR COMMON_CPUID_INDEX_1
371#define index_cpu_DS_CPL COMMON_CPUID_INDEX_1
372#define index_cpu_VMX COMMON_CPUID_INDEX_1
373#define index_cpu_SMX COMMON_CPUID_INDEX_1
374#define index_cpu_EST COMMON_CPUID_INDEX_1
375#define index_cpu_TM2 COMMON_CPUID_INDEX_1
376#define index_cpu_SSSE3 COMMON_CPUID_INDEX_1
377#define index_cpu_CNXT_ID COMMON_CPUID_INDEX_1
378#define index_cpu_SDBG COMMON_CPUID_INDEX_1
379#define index_cpu_FMA COMMON_CPUID_INDEX_1
380#define index_cpu_CMPXCHG16B COMMON_CPUID_INDEX_1
381#define index_cpu_XTPRUPDCTRL COMMON_CPUID_INDEX_1
382#define index_cpu_PDCM COMMON_CPUID_INDEX_1
383#define index_cpu_INDEX_1_ECX_16 COMMON_CPUID_INDEX_1
384#define index_cpu_PCID COMMON_CPUID_INDEX_1
385#define index_cpu_DCA COMMON_CPUID_INDEX_1
386#define index_cpu_SSE4_1 COMMON_CPUID_INDEX_1
387#define index_cpu_SSE4_2 COMMON_CPUID_INDEX_1
388#define index_cpu_X2APIC COMMON_CPUID_INDEX_1
389#define index_cpu_MOVBE COMMON_CPUID_INDEX_1
390#define index_cpu_POPCNT COMMON_CPUID_INDEX_1
391#define index_cpu_TSC_DEADLINE COMMON_CPUID_INDEX_1
392#define index_cpu_AES COMMON_CPUID_INDEX_1
393#define index_cpu_XSAVE COMMON_CPUID_INDEX_1
394#define index_cpu_OSXSAVE COMMON_CPUID_INDEX_1
395#define index_cpu_AVX COMMON_CPUID_INDEX_1
396#define index_cpu_F16C COMMON_CPUID_INDEX_1
397#define index_cpu_RDRAND COMMON_CPUID_INDEX_1
398#define index_cpu_INDEX_1_ECX_31 COMMON_CPUID_INDEX_1
399
400/* ECX. */
401#define index_cpu_FPU COMMON_CPUID_INDEX_1
402#define index_cpu_VME COMMON_CPUID_INDEX_1
403#define index_cpu_DE COMMON_CPUID_INDEX_1
404#define index_cpu_PSE COMMON_CPUID_INDEX_1
405#define index_cpu_TSC COMMON_CPUID_INDEX_1
406#define index_cpu_MSR COMMON_CPUID_INDEX_1
407#define index_cpu_PAE COMMON_CPUID_INDEX_1
408#define index_cpu_MCE COMMON_CPUID_INDEX_1
409#define index_cpu_CX8 COMMON_CPUID_INDEX_1
410#define index_cpu_APIC COMMON_CPUID_INDEX_1
411#define index_cpu_INDEX_1_EDX_10 COMMON_CPUID_INDEX_1
412#define index_cpu_SEP COMMON_CPUID_INDEX_1
413#define index_cpu_MTRR COMMON_CPUID_INDEX_1
414#define index_cpu_PGE COMMON_CPUID_INDEX_1
415#define index_cpu_MCA COMMON_CPUID_INDEX_1
416#define index_cpu_CMOV COMMON_CPUID_INDEX_1
417#define index_cpu_PAT COMMON_CPUID_INDEX_1
418#define index_cpu_PSE_36 COMMON_CPUID_INDEX_1
419#define index_cpu_PSN COMMON_CPUID_INDEX_1
420#define index_cpu_CLFSH COMMON_CPUID_INDEX_1
421#define index_cpu_INDEX_1_EDX_20 COMMON_CPUID_INDEX_1
422#define index_cpu_DS COMMON_CPUID_INDEX_1
423#define index_cpu_ACPI COMMON_CPUID_INDEX_1
424#define index_cpu_MMX COMMON_CPUID_INDEX_1
425#define index_cpu_FXSR COMMON_CPUID_INDEX_1
426#define index_cpu_SSE COMMON_CPUID_INDEX_1
427#define index_cpu_SSE2 COMMON_CPUID_INDEX_1
428#define index_cpu_SS COMMON_CPUID_INDEX_1
429#define index_cpu_HTT COMMON_CPUID_INDEX_1
430#define index_cpu_TM COMMON_CPUID_INDEX_1
431#define index_cpu_INDEX_1_EDX_30 COMMON_CPUID_INDEX_1
432#define index_cpu_PBE COMMON_CPUID_INDEX_1
433
434/* COMMON_CPUID_INDEX_7. */
435
436/* EBX. */
437#define index_cpu_FSGSBASE COMMON_CPUID_INDEX_7
438#define index_cpu_TSC_ADJUST COMMON_CPUID_INDEX_7
439#define index_cpu_SGX COMMON_CPUID_INDEX_7
440#define index_cpu_BMI1 COMMON_CPUID_INDEX_7
441#define index_cpu_HLE COMMON_CPUID_INDEX_7
442#define index_cpu_AVX2 COMMON_CPUID_INDEX_7
443#define index_cpu_INDEX_7_EBX_6 COMMON_CPUID_INDEX_7
444#define index_cpu_SMEP COMMON_CPUID_INDEX_7
445#define index_cpu_BMI2 COMMON_CPUID_INDEX_7
446#define index_cpu_ERMS COMMON_CPUID_INDEX_7
447#define index_cpu_INVPCID COMMON_CPUID_INDEX_7
448#define index_cpu_RTM COMMON_CPUID_INDEX_7
449#define index_cpu_PQM COMMON_CPUID_INDEX_7
450#define index_cpu_DEPR_FPU_CS_DS COMMON_CPUID_INDEX_7
451#define index_cpu_MPX COMMON_CPUID_INDEX_7
452#define index_cpu_PQE COMMON_CPUID_INDEX_7
453#define index_cpu_AVX512F COMMON_CPUID_INDEX_7
454#define index_cpu_AVX512DQ COMMON_CPUID_INDEX_7
455#define index_cpu_RDSEED COMMON_CPUID_INDEX_7
456#define index_cpu_ADX COMMON_CPUID_INDEX_7
457#define index_cpu_SMAP COMMON_CPUID_INDEX_7
458#define index_cpu_AVX512_IFMA COMMON_CPUID_INDEX_7
459#define index_cpu_INDEX_7_EBX_22 COMMON_CPUID_INDEX_7
460#define index_cpu_CLFLUSHOPT COMMON_CPUID_INDEX_7
461#define index_cpu_CLWB COMMON_CPUID_INDEX_7
462#define index_cpu_TRACE COMMON_CPUID_INDEX_7
463#define index_cpu_AVX512PF COMMON_CPUID_INDEX_7
464#define index_cpu_AVX512ER COMMON_CPUID_INDEX_7
465#define index_cpu_AVX512CD COMMON_CPUID_INDEX_7
466#define index_cpu_SHA COMMON_CPUID_INDEX_7
467#define index_cpu_AVX512BW COMMON_CPUID_INDEX_7
468#define index_cpu_AVX512VL COMMON_CPUID_INDEX_7
469
470/* ECX. */
471#define index_cpu_PREFETCHWT1 COMMON_CPUID_INDEX_7
472#define index_cpu_AVX512_VBMI COMMON_CPUID_INDEX_7
473#define index_cpu_UMIP COMMON_CPUID_INDEX_7
474#define index_cpu_PKU COMMON_CPUID_INDEX_7
475#define index_cpu_OSPKE COMMON_CPUID_INDEX_7
476#define index_cpu_WAITPKG COMMON_CPUID_INDEX_7
477#define index_cpu_AVX512_VBMI2 COMMON_CPUID_INDEX_7
478#define index_cpu_SHSTK COMMON_CPUID_INDEX_7
479#define index_cpu_GFNI COMMON_CPUID_INDEX_7
480#define index_cpu_VAES COMMON_CPUID_INDEX_7
481#define index_cpu_VPCLMULQDQ COMMON_CPUID_INDEX_7
482#define index_cpu_AVX512_VNNI COMMON_CPUID_INDEX_7
483#define index_cpu_AVX512_BITALG COMMON_CPUID_INDEX_7
484#define index_cpu_INDEX_7_ECX_13 COMMON_CPUID_INDEX_7
485#define index_cpu_AVX512_VPOPCNTDQ COMMON_CPUID_INDEX_7
486#define index_cpu_INDEX_7_ECX_15 COMMON_CPUID_INDEX_7
487#define index_cpu_INDEX_7_ECX_16 COMMON_CPUID_INDEX_7
488#define index_cpu_RDPID COMMON_CPUID_INDEX_7
489#define index_cpu_INDEX_7_ECX_23 COMMON_CPUID_INDEX_7
490#define index_cpu_INDEX_7_ECX_24 COMMON_CPUID_INDEX_7
491#define index_cpu_CLDEMOTE COMMON_CPUID_INDEX_7
492#define index_cpu_INDEX_7_ECX_26 COMMON_CPUID_INDEX_7
493#define index_cpu_MOVDIRI COMMON_CPUID_INDEX_7
494#define index_cpu_MOVDIR64B COMMON_CPUID_INDEX_7
495#define index_cpu_ENQCMD COMMON_CPUID_INDEX_7
496#define index_cpu_SGX_LC COMMON_CPUID_INDEX_7
497#define index_cpu_PKS COMMON_CPUID_INDEX_7
498
499/* EDX. */
500#define index_cpu_INDEX_7_EDX_0 COMMON_CPUID_INDEX_7
501#define index_cpu_INDEX_7_EDX_1 COMMON_CPUID_INDEX_7
502#define index_cpu_AVX512_4VNNIW COMMON_CPUID_INDEX_7
503#define index_cpu_AVX512_4FMAPS COMMON_CPUID_INDEX_7
504#define index_cpu_FSRM COMMON_CPUID_INDEX_7
505#define index_cpu_INDEX_7_EDX_5 COMMON_CPUID_INDEX_7
506#define index_cpu_INDEX_7_EDX_6 COMMON_CPUID_INDEX_7
507#define index_cpu_INDEX_7_EDX_7 COMMON_CPUID_INDEX_7
508#define index_cpu_AVX512_VP2INTERSECT COMMON_CPUID_INDEX_7
509#define index_cpu_INDEX_7_EDX_9 COMMON_CPUID_INDEX_7
510#define index_cpu_MD_CLEAR COMMON_CPUID_INDEX_7
511#define index_cpu_INDEX_7_EDX_11 COMMON_CPUID_INDEX_7
512#define index_cpu_INDEX_7_EDX_12 COMMON_CPUID_INDEX_7
513#define index_cpu_INDEX_7_EDX_13 COMMON_CPUID_INDEX_7
514#define index_cpu_SERIALIZE COMMON_CPUID_INDEX_7
515#define index_cpu_HYBRID COMMON_CPUID_INDEX_7
516#define index_cpu_TSXLDTRK COMMON_CPUID_INDEX_7
517#define index_cpu_INDEX_7_EDX_17 COMMON_CPUID_INDEX_7
518#define index_cpu_PCONFIG COMMON_CPUID_INDEX_7
519#define index_cpu_INDEX_7_EDX_19 COMMON_CPUID_INDEX_7
520#define index_cpu_IBT COMMON_CPUID_INDEX_7
521#define index_cpu_INDEX_7_EDX_21 COMMON_CPUID_INDEX_7
522#define index_cpu_AMX_BF16 COMMON_CPUID_INDEX_7
523#define index_cpu_INDEX_7_EDX_23 COMMON_CPUID_INDEX_7
524#define index_cpu_AMX_TILE COMMON_CPUID_INDEX_7
525#define index_cpu_AMX_INT8 COMMON_CPUID_INDEX_7
526#define index_cpu_IBRS_IBPB COMMON_CPUID_INDEX_7
527#define index_cpu_STIBP COMMON_CPUID_INDEX_7
528#define index_cpu_L1D_FLUSH COMMON_CPUID_INDEX_7
529#define index_cpu_ARCH_CAPABILITIES COMMON_CPUID_INDEX_7
530#define index_cpu_CORE_CAPABILITIES COMMON_CPUID_INDEX_7
531#define index_cpu_SSBD COMMON_CPUID_INDEX_7
532
533/* COMMON_CPUID_INDEX_80000001. */
534
535/* ECX. */
536#define index_cpu_LAHF64_SAHF64 COMMON_CPUID_INDEX_80000001
537#define index_cpu_SVM COMMON_CPUID_INDEX_80000001
538#define index_cpu_LZCNT COMMON_CPUID_INDEX_80000001
539#define index_cpu_SSE4A COMMON_CPUID_INDEX_80000001
540#define index_cpu_PREFETCHW COMMON_CPUID_INDEX_80000001
541#define index_cpu_XOP COMMON_CPUID_INDEX_80000001
542#define index_cpu_LWP COMMON_CPUID_INDEX_80000001
543#define index_cpu_FMA4 COMMON_CPUID_INDEX_80000001
544#define index_cpu_TBM COMMON_CPUID_INDEX_80000001
545
546/* EDX. */
547#define index_cpu_SYSCALL_SYSRET COMMON_CPUID_INDEX_80000001
548#define index_cpu_NX COMMON_CPUID_INDEX_80000001
549#define index_cpu_PAGE1GB COMMON_CPUID_INDEX_80000001
550#define index_cpu_RDTSCP COMMON_CPUID_INDEX_80000001
551#define index_cpu_LM COMMON_CPUID_INDEX_80000001
552
553/* COMMON_CPUID_INDEX_D_ECX_1. */
554
555/* EAX. */
556#define index_cpu_XSAVEOPT COMMON_CPUID_INDEX_D_ECX_1
557#define index_cpu_XSAVEC COMMON_CPUID_INDEX_D_ECX_1
558#define index_cpu_XGETBV_ECX_1 COMMON_CPUID_INDEX_D_ECX_1
559#define index_cpu_XSAVES COMMON_CPUID_INDEX_D_ECX_1
560#define index_cpu_XFD COMMON_CPUID_INDEX_D_ECX_1
561
562/* COMMON_CPUID_INDEX_80000007. */
563
564/* EDX. */
565#define index_cpu_INVARIANT_TSC COMMON_CPUID_INDEX_80000007
566
567/* COMMON_CPUID_INDEX_80000008. */
568
569/* EBX. */
570#define index_cpu_WBNOINVD COMMON_CPUID_INDEX_80000008
571
572/* COMMON_CPUID_INDEX_7_ECX_1. */
573
574/* EAX. */
575#define index_cpu_AVX512_BF16 COMMON_CPUID_INDEX_7_ECX_1
576
577/* COMMON_CPUID_INDEX_1. */
578
579/* ECX. */
580#define reg_SSE3 ecx
581#define reg_PCLMULQDQ ecx
582#define reg_DTES64 ecx
583#define reg_MONITOR ecx
584#define reg_DS_CPL ecx
585#define reg_VMX ecx
586#define reg_SMX ecx
587#define reg_EST ecx
588#define reg_TM2 ecx
589#define reg_SSSE3 ecx
590#define reg_CNXT_ID ecx
591#define reg_SDBG ecx
592#define reg_FMA ecx
593#define reg_CMPXCHG16B ecx
594#define reg_XTPRUPDCTRL ecx
595#define reg_PDCM ecx
596#define reg_INDEX_1_ECX_16 ecx
597#define reg_PCID ecx
598#define reg_DCA ecx
599#define reg_SSE4_1 ecx
600#define reg_SSE4_2 ecx
601#define reg_X2APIC ecx
602#define reg_MOVBE ecx
603#define reg_POPCNT ecx
604#define reg_TSC_DEADLINE ecx
605#define reg_AES ecx
606#define reg_XSAVE ecx
607#define reg_OSXSAVE ecx
608#define reg_AVX ecx
609#define reg_F16C ecx
610#define reg_RDRAND ecx
611#define reg_INDEX_1_ECX_31 ecx
612
613/* EDX. */
614#define reg_FPU edx
615#define reg_VME edx
616#define reg_DE edx
617#define reg_PSE edx
618#define reg_TSC edx
619#define reg_MSR edx
620#define reg_PAE edx
621#define reg_MCE edx
622#define reg_CX8 edx
623#define reg_APIC edx
624#define reg_INDEX_1_EDX_10 edx
625#define reg_SEP edx
626#define reg_MTRR edx
627#define reg_PGE edx
628#define reg_MCA edx
629#define reg_CMOV edx
630#define reg_PAT edx
631#define reg_PSE_36 edx
632#define reg_PSN edx
633#define reg_CLFSH edx
634#define reg_INDEX_1_EDX_20 edx
635#define reg_DS edx
636#define reg_ACPI edx
637#define reg_MMX edx
638#define reg_FXSR edx
639#define reg_SSE edx
640#define reg_SSE2 edx
641#define reg_SS edx
642#define reg_HTT edx
643#define reg_TM edx
644#define reg_INDEX_1_EDX_30 edx
645#define reg_PBE edx
646
647/* COMMON_CPUID_INDEX_7. */
648
649/* EBX. */
650#define reg_FSGSBASE ebx
651#define reg_TSC_ADJUST ebx
652#define reg_SGX ebx
653#define reg_BMI1 ebx
654#define reg_HLE ebx
655#define reg_BMI2 ebx
656#define reg_AVX2 ebx
657#define reg_INDEX_7_EBX_6 ebx
658#define reg_SMEP ebx
659#define reg_ERMS ebx
660#define reg_INVPCID ebx
661#define reg_RTM ebx
662#define reg_PQM ebx
663#define reg_DEPR_FPU_CS_DS ebx
664#define reg_MPX ebx
665#define reg_PQE ebx
666#define reg_AVX512F ebx
667#define reg_AVX512DQ ebx
668#define reg_RDSEED ebx
669#define reg_ADX ebx
670#define reg_SMAP ebx
671#define reg_AVX512_IFMA ebx
672#define reg_INDEX_7_EBX_22 ebx
673#define reg_CLFLUSHOPT ebx
674#define reg_CLWB ebx
675#define reg_TRACE ebx
676#define reg_AVX512PF ebx
677#define reg_AVX512ER ebx
678#define reg_AVX512CD ebx
679#define reg_SHA ebx
680#define reg_AVX512BW ebx
681#define reg_AVX512VL ebx
682
683/* ECX. */
684#define reg_PREFETCHWT1 ecx
685#define reg_AVX512_VBMI ecx
686#define reg_UMIP ecx
687#define reg_PKU ecx
688#define reg_OSPKE ecx
689#define reg_WAITPKG ecx
690#define reg_AVX512_VBMI2 ecx
691#define reg_SHSTK ecx
692#define reg_GFNI ecx
693#define reg_VAES ecx
694#define reg_VPCLMULQDQ ecx
695#define reg_AVX512_VNNI ecx
696#define reg_AVX512_BITALG ecx
697#define reg_INDEX_7_ECX_13 ecx
698#define reg_AVX512_VPOPCNTDQ ecx
699#define reg_INDEX_7_ECX_15 ecx
700#define reg_INDEX_7_ECX_16 ecx
701#define reg_RDPID ecx
702#define reg_INDEX_7_ECX_23 ecx
703#define reg_INDEX_7_ECX_24 ecx
704#define reg_CLDEMOTE ecx
705#define reg_INDEX_7_ECX_26 ecx
706#define reg_MOVDIRI ecx
707#define reg_MOVDIR64B ecx
708#define reg_ENQCMD ecx
709#define reg_SGX_LC ecx
710#define reg_PKS ecx
711
712/* EDX. */
713#define reg_INDEX_7_EDX_0 edx
714#define reg_INDEX_7_EDX_1 edx
715#define reg_AVX512_4VNNIW edx
716#define reg_AVX512_4FMAPS edx
717#define reg_FSRM edx
718#define reg_INDEX_7_EDX_5 edx
719#define reg_INDEX_7_EDX_6 edx
720#define reg_INDEX_7_EDX_7 edx
721#define reg_AVX512_VP2INTERSECT edx
722#define reg_INDEX_7_EDX_9 edx
723#define reg_MD_CLEAR edx
724#define reg_INDEX_7_EDX_11 edx
725#define reg_INDEX_7_EDX_12 edx
726#define reg_INDEX_7_EDX_13 edx
727#define reg_SERIALIZE edx
728#define reg_HYBRID edx
729#define reg_TSXLDTRK edx
730#define reg_INDEX_7_EDX_17 edx
731#define reg_PCONFIG edx
732#define reg_INDEX_7_EDX_19 edx
733#define reg_IBT edx
734#define reg_INDEX_7_EDX_21 edx
735#define reg_AMX_BF16 edx
736#define reg_INDEX_7_EDX_23 edx
737#define reg_AMX_TILE edx
738#define reg_AMX_INT8 edx
739#define reg_IBRS_IBPB edx
740#define reg_STIBP edx
741#define reg_L1D_FLUSH edx
742#define reg_ARCH_CAPABILITIES edx
743#define reg_CORE_CAPABILITIES edx
744#define reg_SSBD edx
745
746/* COMMON_CPUID_INDEX_80000001. */
747
748/* ECX. */
749#define reg_LAHF64_SAHF64 ecx
750#define reg_SVM ecx
751#define reg_LZCNT ecx
752#define reg_SSE4A ecx
753#define reg_PREFETCHW ecx
754#define reg_XOP ecx
755#define reg_LWP ecx
756#define reg_FMA4 ecx
757#define reg_TBM ecx
758
759/* EDX. */
760#define reg_SYSCALL_SYSRET edx
761#define reg_NX edx
762#define reg_PAGE1GB edx
763#define reg_RDTSCP edx
764#define reg_LM edx
765
766/* COMMON_CPUID_INDEX_D_ECX_1. */
767
768/* EAX. */
769#define reg_XSAVEOPT eax
770#define reg_XSAVEC eax
771#define reg_XGETBV_ECX_1 eax
772#define reg_XSAVES eax
773#define reg_XFD eax
774
775/* COMMON_CPUID_INDEX_80000007. */
776
777/* EDX. */
778#define reg_INVARIANT_TSC edx
779
780/* COMMON_CPUID_INDEX_80000008. */
781
782/* EBX. */
783#define reg_WBNOINVD ebx
784
785/* COMMON_CPUID_INDEX_7_ECX_1. */
786
787/* EAX. */
788#define reg_AVX512_BF16 eax
789
790/* FEATURE_INDEX_2. */
791#define bit_arch_I586 (1u << 0)
792#define bit_arch_I686 (1u << 1)
793#define bit_arch_Fast_Rep_String (1u << 2)
794#define bit_arch_Fast_Copy_Backward (1u << 3)
795#define bit_arch_Fast_Unaligned_Load (1u << 4)
796#define bit_arch_Fast_Unaligned_Copy (1u << 5)
797#define bit_arch_Slow_BSF (1u << 6)
798#define bit_arch_Slow_SSE4_2 (1u << 7)
799#define bit_arch_AVX_Fast_Unaligned_Load (1u << 8)
800#define bit_arch_Prefer_MAP_32BIT_EXEC (1u << 9)
801#define bit_arch_Prefer_PMINUB_for_stringop (1u << 10)
802#define bit_arch_Prefer_No_VZEROUPPER (1u << 11)
803#define bit_arch_Prefer_ERMS (1u << 12)
804#define bit_arch_Prefer_FSRM (1u << 13)
805#define bit_arch_Prefer_No_AVX512 (1u << 14)
806#define bit_arch_MathVec_Prefer_No_AVX512 (1u << 15)
807
808#define index_arch_Fast_Rep_String PREFERRED_FEATURE_INDEX_1
809#define index_arch_Fast_Copy_Backward PREFERRED_FEATURE_INDEX_1
810#define index_arch_Slow_BSF PREFERRED_FEATURE_INDEX_1
811#define index_arch_Fast_Unaligned_Load PREFERRED_FEATURE_INDEX_1
812#define index_arch_Prefer_PMINUB_for_stringop PREFERRED_FEATURE_INDEX_1
813#define index_arch_Fast_Unaligned_Copy PREFERRED_FEATURE_INDEX_1
814#define index_arch_I586 PREFERRED_FEATURE_INDEX_1
815#define index_arch_I686 PREFERRED_FEATURE_INDEX_1
816#define index_arch_Slow_SSE4_2 PREFERRED_FEATURE_INDEX_1
817#define index_arch_AVX_Fast_Unaligned_Load PREFERRED_FEATURE_INDEX_1
818#define index_arch_Prefer_MAP_32BIT_EXEC PREFERRED_FEATURE_INDEX_1
819#define index_arch_Prefer_No_VZEROUPPER PREFERRED_FEATURE_INDEX_1
820#define index_arch_Prefer_ERMS PREFERRED_FEATURE_INDEX_1
821#define index_arch_Prefer_No_AVX512 PREFERRED_FEATURE_INDEX_1
822#define index_arch_MathVec_Prefer_No_AVX512 PREFERRED_FEATURE_INDEX_1
823#define index_arch_Prefer_FSRM PREFERRED_FEATURE_INDEX_1
824
825/* XCR0 Feature flags. */
826#define bit_XMM_state (1u << 1)
827#define bit_YMM_state (1u << 2)
828#define bit_Opmask_state (1u << 5)
829#define bit_ZMM0_15_state (1u << 6)
830#define bit_ZMM16_31_state (1u << 7)
831#define bit_XTILECFG_state (1u << 17)
832#define bit_XTILEDATA_state (1u << 18)
833
834# if defined (_LIBC) && !IS_IN (nonlib)
835/* Unused for x86. */
836# define INIT_ARCH()
837# define __get_cpu_features() (&GLRO(dl_x86_cpu_features))
838# endif
839
840#ifdef __x86_64__
841# define HAS_CPUID 1
842#elif (defined __i586__ || defined __pentium__ \
843 || defined __geode__ || defined __k6__)
844# define HAS_CPUID 1
845# define HAS_I586 1
846# define HAS_I686 HAS_ARCH_FEATURE (I686)
847#elif defined __i486__
848# define HAS_CPUID 0
849# define HAS_I586 HAS_ARCH_FEATURE (I586)
850# define HAS_I686 HAS_ARCH_FEATURE (I686)
851#else
852# define HAS_CPUID 1
853# define HAS_I586 1
854# define HAS_I686 1
855#endif
856
857#endif /* cpu_features_h */
858