1/* Data structure for x86 CPU features.
2 Copyright (C) 2020-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef _PRIVATE_CPU_FEATURES_H
20#define _PRIVATE_CPU_FEATURES_H 1
21
22#ifdef _CPU_FEATURES_H
23# error this should be impossible
24#endif
25
26/* Get data structures without inline functions. */
27#define _SYS_PLATFORM_X86_H
28#include <bits/platform/x86.h>
29
30enum
31{
32 CPUID_INDEX_MAX = CPUID_INDEX_14_ECX_0 + 1
33};
34
35enum
36{
37 /* The integer bit array index for the first set of preferred feature
38 bits. */
39 PREFERRED_FEATURE_INDEX_1 = 0,
40 /* The current maximum size of the feature integer bit array. */
41 PREFERRED_FEATURE_INDEX_MAX
42};
43
44/* Only used directly in cpu-features.c. */
45#define CPU_FEATURE_SET(ptr, name) \
46 ptr->features[index_cpu_##name].active.reg_##name |= bit_cpu_##name;
47#define CPU_FEATURE_UNSET(ptr, name) \
48 ptr->features[index_cpu_##name].active.reg_##name &= ~bit_cpu_##name;
49#define CPU_FEATURE_SET_ACTIVE(ptr, name) \
50 ptr->features[index_cpu_##name].active.reg_##name \
51 |= ptr->features[index_cpu_##name].cpuid.reg_##name & bit_cpu_##name;
52#define CPU_FEATURE_PREFERRED_P(ptr, name) \
53 ((ptr->preferred[index_arch_##name] & bit_arch_##name) != 0)
54
55#define CPU_FEATURE_CHECK_P(ptr, name, check) \
56 ((ptr->features[index_cpu_##name].check.reg_##name \
57 & bit_cpu_##name) != 0)
58#define CPU_FEATURE_PRESENT_P(ptr, name) \
59 CPU_FEATURE_CHECK_P (ptr, name, cpuid)
60#define CPU_FEATURE_ACTIVE_P(ptr, name) \
61 CPU_FEATURE_CHECK_P (ptr, name, active)
62#define CPU_FEATURE_CPU_P(ptr, name) \
63 CPU_FEATURE_PRESENT_P (ptr, name)
64#define CPU_FEATURE_USABLE_P(ptr, name) \
65 CPU_FEATURE_ACTIVE_P (ptr, name)
66
67/* HAS_CPU_FEATURE evaluates to true if CPU supports the feature. */
68#define HAS_CPU_FEATURE(name) \
69 CPU_FEATURE_CPU_P (__get_cpu_features (), name)
70/* CPU_FEATURE_USABLE evaluates to true if the feature is usable. */
71#define CPU_FEATURE_USABLE(name) \
72 CPU_FEATURE_USABLE_P (__get_cpu_features (), name)
73/* CPU_FEATURE_PREFER evaluates to true if we prefer the feature at
74 runtime. */
75#define CPU_FEATURE_PREFERRED(name) \
76 CPU_FEATURE_PREFERRED_P(__get_cpu_features (), name)
77
78#define CPU_FEATURES_CPU_P(ptr, name) \
79 CPU_FEATURE_CPU_P (ptr, name)
80#define CPU_FEATURES_ARCH_P(ptr, name) \
81 CPU_FEATURE_PREFERRED_P (ptr, name)
82#define HAS_ARCH_FEATURE(name) \
83 CPU_FEATURE_PREFERRED (name)
84
85/* CPU features. */
86
87/* CPUID_INDEX_1. */
88
89/* ECX. */
90#define bit_cpu_SSE3 (1u << 0)
91#define bit_cpu_PCLMULQDQ (1u << 1)
92#define bit_cpu_DTES64 (1u << 2)
93#define bit_cpu_MONITOR (1u << 3)
94#define bit_cpu_DS_CPL (1u << 4)
95#define bit_cpu_VMX (1u << 5)
96#define bit_cpu_SMX (1u << 6)
97#define bit_cpu_EIST (1u << 7)
98#define bit_cpu_TM2 (1u << 8)
99#define bit_cpu_SSSE3 (1u << 9)
100#define bit_cpu_CNXT_ID (1u << 10)
101#define bit_cpu_SDBG (1u << 11)
102#define bit_cpu_FMA (1u << 12)
103#define bit_cpu_CMPXCHG16B (1u << 13)
104#define bit_cpu_XTPRUPDCTRL (1u << 14)
105#define bit_cpu_PDCM (1u << 15)
106#define bit_cpu_INDEX_1_ECX_16 (1u << 16)
107#define bit_cpu_PCID (1u << 17)
108#define bit_cpu_DCA (1u << 18)
109#define bit_cpu_SSE4_1 (1u << 19)
110#define bit_cpu_SSE4_2 (1u << 20)
111#define bit_cpu_X2APIC (1u << 21)
112#define bit_cpu_MOVBE (1u << 22)
113#define bit_cpu_POPCNT (1u << 23)
114#define bit_cpu_TSC_DEADLINE (1u << 24)
115#define bit_cpu_AES (1u << 25)
116#define bit_cpu_XSAVE (1u << 26)
117#define bit_cpu_OSXSAVE (1u << 27)
118#define bit_cpu_AVX (1u << 28)
119#define bit_cpu_F16C (1u << 29)
120#define bit_cpu_RDRAND (1u << 30)
121#define bit_cpu_INDEX_1_ECX_31 (1u << 31)
122
123/* EDX. */
124#define bit_cpu_FPU (1u << 0)
125#define bit_cpu_VME (1u << 1)
126#define bit_cpu_DE (1u << 2)
127#define bit_cpu_PSE (1u << 3)
128#define bit_cpu_TSC (1u << 4)
129#define bit_cpu_MSR (1u << 5)
130#define bit_cpu_PAE (1u << 6)
131#define bit_cpu_MCE (1u << 7)
132#define bit_cpu_CX8 (1u << 8)
133#define bit_cpu_APIC (1u << 9)
134#define bit_cpu_INDEX_1_EDX_10 (1u << 10)
135#define bit_cpu_SEP (1u << 11)
136#define bit_cpu_MTRR (1u << 12)
137#define bit_cpu_PGE (1u << 13)
138#define bit_cpu_MCA (1u << 14)
139#define bit_cpu_CMOV (1u << 15)
140#define bit_cpu_PAT (1u << 16)
141#define bit_cpu_PSE_36 (1u << 17)
142#define bit_cpu_PSN (1u << 18)
143#define bit_cpu_CLFSH (1u << 19)
144#define bit_cpu_INDEX_1_EDX_20 (1u << 20)
145#define bit_cpu_DS (1u << 21)
146#define bit_cpu_ACPI (1u << 22)
147#define bit_cpu_MMX (1u << 23)
148#define bit_cpu_FXSR (1u << 24)
149#define bit_cpu_SSE (1u << 25)
150#define bit_cpu_SSE2 (1u << 26)
151#define bit_cpu_SS (1u << 27)
152#define bit_cpu_HTT (1u << 28)
153#define bit_cpu_TM (1u << 29)
154#define bit_cpu_INDEX_1_EDX_30 (1u << 30)
155#define bit_cpu_PBE (1u << 31)
156
157/* CPUID_INDEX_7. */
158
159/* EBX. */
160#define bit_cpu_FSGSBASE (1u << 0)
161#define bit_cpu_TSC_ADJUST (1u << 1)
162#define bit_cpu_SGX (1u << 2)
163#define bit_cpu_BMI1 (1u << 3)
164#define bit_cpu_HLE (1u << 4)
165#define bit_cpu_AVX2 (1u << 5)
166#define bit_cpu_INDEX_7_EBX_6 (1u << 6)
167#define bit_cpu_SMEP (1u << 7)
168#define bit_cpu_BMI2 (1u << 8)
169#define bit_cpu_ERMS (1u << 9)
170#define bit_cpu_INVPCID (1u << 10)
171#define bit_cpu_RTM (1u << 11)
172#define bit_cpu_RDT_M (1u << 12)
173#define bit_cpu_DEPR_FPU_CS_DS (1u << 13)
174#define bit_cpu_MPX (1u << 14)
175#define bit_cpu_RDT_A (1u << 15)
176#define bit_cpu_AVX512F (1u << 16)
177#define bit_cpu_AVX512DQ (1u << 17)
178#define bit_cpu_RDSEED (1u << 18)
179#define bit_cpu_ADX (1u << 19)
180#define bit_cpu_SMAP (1u << 20)
181#define bit_cpu_AVX512_IFMA (1u << 21)
182#define bit_cpu_INDEX_7_EBX_22 (1u << 22)
183#define bit_cpu_CLFLUSHOPT (1u << 23)
184#define bit_cpu_CLWB (1u << 24)
185#define bit_cpu_TRACE (1u << 25)
186#define bit_cpu_AVX512PF (1u << 26)
187#define bit_cpu_AVX512ER (1u << 27)
188#define bit_cpu_AVX512CD (1u << 28)
189#define bit_cpu_SHA (1u << 29)
190#define bit_cpu_AVX512BW (1u << 30)
191#define bit_cpu_AVX512VL (1u << 31)
192
193/* ECX. */
194#define bit_cpu_PREFETCHWT1 (1u << 0)
195#define bit_cpu_AVX512_VBMI (1u << 1)
196#define bit_cpu_UMIP (1u << 2)
197#define bit_cpu_PKU (1u << 3)
198#define bit_cpu_OSPKE (1u << 4)
199#define bit_cpu_WAITPKG (1u << 5)
200#define bit_cpu_AVX512_VBMI2 (1u << 6)
201#define bit_cpu_SHSTK (1u << 7)
202#define bit_cpu_GFNI (1u << 8)
203#define bit_cpu_VAES (1u << 9)
204#define bit_cpu_VPCLMULQDQ (1u << 10)
205#define bit_cpu_AVX512_VNNI (1u << 11)
206#define bit_cpu_AVX512_BITALG (1u << 12)
207#define bit_cpu_INDEX_7_ECX_13 (1u << 13)
208#define bit_cpu_AVX512_VPOPCNTDQ (1u << 14)
209#define bit_cpu_INDEX_7_ECX_15 (1u << 15)
210#define bit_cpu_INDEX_7_ECX_16 (1u << 16)
211/* Note: Bits 17-21: The value of MAWAU used by the BNDLDX and BNDSTX
212 instructions in 64-bit mode. */
213#define bit_cpu_RDPID (1u << 22)
214#define bit_cpu_KL (1u << 23)
215#define bit_cpu_INDEX_7_ECX_24 (1u << 24)
216#define bit_cpu_CLDEMOTE (1u << 25)
217#define bit_cpu_INDEX_7_ECX_26 (1u << 26)
218#define bit_cpu_MOVDIRI (1u << 27)
219#define bit_cpu_MOVDIR64B (1u << 28)
220#define bit_cpu_ENQCMD (1u << 29)
221#define bit_cpu_SGX_LC (1u << 30)
222#define bit_cpu_PKS (1u << 31)
223
224/* EDX. */
225#define bit_cpu_INDEX_7_EDX_0 (1u << 0)
226#define bit_cpu_INDEX_7_EDX_1 (1u << 1)
227#define bit_cpu_AVX512_4VNNIW (1u << 2)
228#define bit_cpu_AVX512_4FMAPS (1u << 3)
229#define bit_cpu_FSRM (1u << 4)
230#define bit_cpu_UINTR (1u << 5)
231#define bit_cpu_INDEX_7_EDX_6 (1u << 6)
232#define bit_cpu_INDEX_7_EDX_7 (1u << 7)
233#define bit_cpu_AVX512_VP2INTERSECT (1u << 8)
234#define bit_cpu_INDEX_7_EDX_9 (1u << 9)
235#define bit_cpu_MD_CLEAR (1u << 10)
236#define bit_cpu_RTM_ALWAYS_ABORT (1u << 11)
237#define bit_cpu_INDEX_7_EDX_12 (1u << 12)
238#define bit_cpu_INDEX_7_EDX_13 (1u << 13)
239#define bit_cpu_SERIALIZE (1u << 14)
240#define bit_cpu_HYBRID (1u << 15)
241#define bit_cpu_TSXLDTRK (1u << 16)
242#define bit_cpu_INDEX_7_EDX_17 (1u << 17)
243#define bit_cpu_PCONFIG (1u << 18)
244#define bit_cpu_INDEX_7_EDX_19 (1u << 19)
245#define bit_cpu_IBT (1u << 20)
246#define bit_cpu_INDEX_7_EDX_21 (1u << 21)
247#define bit_cpu_AMX_BF16 (1u << 22)
248#define bit_cpu_AVX512_FP16 (1u << 23)
249#define bit_cpu_AMX_TILE (1u << 24)
250#define bit_cpu_AMX_INT8 (1u << 25)
251#define bit_cpu_IBRS_IBPB (1u << 26)
252#define bit_cpu_STIBP (1u << 27)
253#define bit_cpu_L1D_FLUSH (1u << 28)
254#define bit_cpu_ARCH_CAPABILITIES (1u << 29)
255#define bit_cpu_CORE_CAPABILITIES (1u << 30)
256#define bit_cpu_SSBD (1u << 31)
257
258/* CPUID_INDEX_80000001. */
259
260/* ECX. */
261#define bit_cpu_LAHF64_SAHF64 (1u << 0)
262#define bit_cpu_SVM (1u << 2)
263#define bit_cpu_LZCNT (1u << 5)
264#define bit_cpu_SSE4A (1u << 6)
265#define bit_cpu_PREFETCHW (1u << 8)
266#define bit_cpu_XOP (1u << 11)
267#define bit_cpu_LWP (1u << 15)
268#define bit_cpu_FMA4 (1u << 16)
269#define bit_cpu_TBM (1u << 21)
270
271/* EDX. */
272#define bit_cpu_SYSCALL_SYSRET (1u << 11)
273#define bit_cpu_NX (1u << 20)
274#define bit_cpu_PAGE1GB (1u << 26)
275#define bit_cpu_RDTSCP (1u << 27)
276#define bit_cpu_LM (1u << 29)
277
278/* CPUID_INDEX_D_ECX_1. */
279
280/* EAX. */
281#define bit_cpu_XSAVEOPT (1u << 0)
282#define bit_cpu_XSAVEC (1u << 1)
283#define bit_cpu_XGETBV_ECX_1 (1u << 2)
284#define bit_cpu_XSAVES (1u << 3)
285#define bit_cpu_XFD (1u << 4)
286
287/* CPUID_INDEX_80000007. */
288
289/* EDX. */
290#define bit_cpu_INVARIANT_TSC (1u << 8)
291
292/* CPUID_INDEX_80000008. */
293
294/* EBX. */
295#define bit_cpu_WBNOINVD (1u << 9)
296#define bit_cpu_AMD_IBPB (1u << 12)
297#define bit_cpu_AMD_IBRS (1u << 14)
298#define bit_cpu_AMD_STIBP (1u << 15)
299#define bit_cpu_AMD_SSBD (1u << 24)
300#define bit_cpu_AMD_VIRT_SSBD (1u << 25)
301
302/* CPUID_INDEX_7_ECX_1. */
303
304/* EAX. */
305#define bit_cpu_AVX_VNNI (1u << 4)
306#define bit_cpu_AVX512_BF16 (1u << 5)
307#define bit_cpu_FZLRM (1u << 10)
308#define bit_cpu_FSRS (1u << 11)
309#define bit_cpu_FSRCS (1u << 12)
310#define bit_cpu_HRESET (1u << 22)
311#define bit_cpu_LAM (1u << 26)
312
313/* CPUID_INDEX_19. */
314
315/* EBX. */
316#define bit_cpu_AESKLE (1u << 0)
317#define bit_cpu_WIDE_KL (1u << 2)
318
319/* CPUID_INDEX_14_ECX_0. */
320
321/* EBX. */
322#define bit_cpu_PTWRITE (1u << 4)
323
324/* CPUID_INDEX_1. */
325
326/* ECX. */
327#define index_cpu_SSE3 CPUID_INDEX_1
328#define index_cpu_PCLMULQDQ CPUID_INDEX_1
329#define index_cpu_DTES64 CPUID_INDEX_1
330#define index_cpu_MONITOR CPUID_INDEX_1
331#define index_cpu_DS_CPL CPUID_INDEX_1
332#define index_cpu_VMX CPUID_INDEX_1
333#define index_cpu_SMX CPUID_INDEX_1
334#define index_cpu_EIST CPUID_INDEX_1
335#define index_cpu_TM2 CPUID_INDEX_1
336#define index_cpu_SSSE3 CPUID_INDEX_1
337#define index_cpu_CNXT_ID CPUID_INDEX_1
338#define index_cpu_SDBG CPUID_INDEX_1
339#define index_cpu_FMA CPUID_INDEX_1
340#define index_cpu_CMPXCHG16B CPUID_INDEX_1
341#define index_cpu_XTPRUPDCTRL CPUID_INDEX_1
342#define index_cpu_PDCM CPUID_INDEX_1
343#define index_cpu_INDEX_1_ECX_16 CPUID_INDEX_1
344#define index_cpu_PCID CPUID_INDEX_1
345#define index_cpu_DCA CPUID_INDEX_1
346#define index_cpu_SSE4_1 CPUID_INDEX_1
347#define index_cpu_SSE4_2 CPUID_INDEX_1
348#define index_cpu_X2APIC CPUID_INDEX_1
349#define index_cpu_MOVBE CPUID_INDEX_1
350#define index_cpu_POPCNT CPUID_INDEX_1
351#define index_cpu_TSC_DEADLINE CPUID_INDEX_1
352#define index_cpu_AES CPUID_INDEX_1
353#define index_cpu_XSAVE CPUID_INDEX_1
354#define index_cpu_OSXSAVE CPUID_INDEX_1
355#define index_cpu_AVX CPUID_INDEX_1
356#define index_cpu_F16C CPUID_INDEX_1
357#define index_cpu_RDRAND CPUID_INDEX_1
358#define index_cpu_INDEX_1_ECX_31 CPUID_INDEX_1
359
360/* ECX. */
361#define index_cpu_FPU CPUID_INDEX_1
362#define index_cpu_VME CPUID_INDEX_1
363#define index_cpu_DE CPUID_INDEX_1
364#define index_cpu_PSE CPUID_INDEX_1
365#define index_cpu_TSC CPUID_INDEX_1
366#define index_cpu_MSR CPUID_INDEX_1
367#define index_cpu_PAE CPUID_INDEX_1
368#define index_cpu_MCE CPUID_INDEX_1
369#define index_cpu_CX8 CPUID_INDEX_1
370#define index_cpu_APIC CPUID_INDEX_1
371#define index_cpu_INDEX_1_EDX_10 CPUID_INDEX_1
372#define index_cpu_SEP CPUID_INDEX_1
373#define index_cpu_MTRR CPUID_INDEX_1
374#define index_cpu_PGE CPUID_INDEX_1
375#define index_cpu_MCA CPUID_INDEX_1
376#define index_cpu_CMOV CPUID_INDEX_1
377#define index_cpu_PAT CPUID_INDEX_1
378#define index_cpu_PSE_36 CPUID_INDEX_1
379#define index_cpu_PSN CPUID_INDEX_1
380#define index_cpu_CLFSH CPUID_INDEX_1
381#define index_cpu_INDEX_1_EDX_20 CPUID_INDEX_1
382#define index_cpu_DS CPUID_INDEX_1
383#define index_cpu_ACPI CPUID_INDEX_1
384#define index_cpu_MMX CPUID_INDEX_1
385#define index_cpu_FXSR CPUID_INDEX_1
386#define index_cpu_SSE CPUID_INDEX_1
387#define index_cpu_SSE2 CPUID_INDEX_1
388#define index_cpu_SS CPUID_INDEX_1
389#define index_cpu_HTT CPUID_INDEX_1
390#define index_cpu_TM CPUID_INDEX_1
391#define index_cpu_INDEX_1_EDX_30 CPUID_INDEX_1
392#define index_cpu_PBE CPUID_INDEX_1
393
394/* CPUID_INDEX_7. */
395
396/* EBX. */
397#define index_cpu_FSGSBASE CPUID_INDEX_7
398#define index_cpu_TSC_ADJUST CPUID_INDEX_7
399#define index_cpu_SGX CPUID_INDEX_7
400#define index_cpu_BMI1 CPUID_INDEX_7
401#define index_cpu_HLE CPUID_INDEX_7
402#define index_cpu_AVX2 CPUID_INDEX_7
403#define index_cpu_INDEX_7_EBX_6 CPUID_INDEX_7
404#define index_cpu_SMEP CPUID_INDEX_7
405#define index_cpu_BMI2 CPUID_INDEX_7
406#define index_cpu_ERMS CPUID_INDEX_7
407#define index_cpu_INVPCID CPUID_INDEX_7
408#define index_cpu_RTM CPUID_INDEX_7
409#define index_cpu_RDT_M CPUID_INDEX_7
410#define index_cpu_DEPR_FPU_CS_DS CPUID_INDEX_7
411#define index_cpu_MPX CPUID_INDEX_7
412#define index_cpu_RDT_A CPUID_INDEX_7
413#define index_cpu_AVX512F CPUID_INDEX_7
414#define index_cpu_AVX512DQ CPUID_INDEX_7
415#define index_cpu_RDSEED CPUID_INDEX_7
416#define index_cpu_ADX CPUID_INDEX_7
417#define index_cpu_SMAP CPUID_INDEX_7
418#define index_cpu_AVX512_IFMA CPUID_INDEX_7
419#define index_cpu_INDEX_7_EBX_22 CPUID_INDEX_7
420#define index_cpu_CLFLUSHOPT CPUID_INDEX_7
421#define index_cpu_CLWB CPUID_INDEX_7
422#define index_cpu_TRACE CPUID_INDEX_7
423#define index_cpu_AVX512PF CPUID_INDEX_7
424#define index_cpu_AVX512ER CPUID_INDEX_7
425#define index_cpu_AVX512CD CPUID_INDEX_7
426#define index_cpu_SHA CPUID_INDEX_7
427#define index_cpu_AVX512BW CPUID_INDEX_7
428#define index_cpu_AVX512VL CPUID_INDEX_7
429
430/* ECX. */
431#define index_cpu_PREFETCHWT1 CPUID_INDEX_7
432#define index_cpu_AVX512_VBMI CPUID_INDEX_7
433#define index_cpu_UMIP CPUID_INDEX_7
434#define index_cpu_PKU CPUID_INDEX_7
435#define index_cpu_OSPKE CPUID_INDEX_7
436#define index_cpu_WAITPKG CPUID_INDEX_7
437#define index_cpu_AVX512_VBMI2 CPUID_INDEX_7
438#define index_cpu_SHSTK CPUID_INDEX_7
439#define index_cpu_GFNI CPUID_INDEX_7
440#define index_cpu_VAES CPUID_INDEX_7
441#define index_cpu_VPCLMULQDQ CPUID_INDEX_7
442#define index_cpu_AVX512_VNNI CPUID_INDEX_7
443#define index_cpu_AVX512_BITALG CPUID_INDEX_7
444#define index_cpu_INDEX_7_ECX_13 CPUID_INDEX_7
445#define index_cpu_AVX512_VPOPCNTDQ CPUID_INDEX_7
446#define index_cpu_INDEX_7_ECX_15 CPUID_INDEX_7
447#define index_cpu_INDEX_7_ECX_16 CPUID_INDEX_7
448#define index_cpu_RDPID CPUID_INDEX_7
449#define index_cpu_KL CPUID_INDEX_7
450#define index_cpu_INDEX_7_ECX_24 CPUID_INDEX_7
451#define index_cpu_CLDEMOTE CPUID_INDEX_7
452#define index_cpu_INDEX_7_ECX_26 CPUID_INDEX_7
453#define index_cpu_MOVDIRI CPUID_INDEX_7
454#define index_cpu_MOVDIR64B CPUID_INDEX_7
455#define index_cpu_ENQCMD CPUID_INDEX_7
456#define index_cpu_SGX_LC CPUID_INDEX_7
457#define index_cpu_PKS CPUID_INDEX_7
458
459/* EDX. */
460#define index_cpu_INDEX_7_EDX_0 CPUID_INDEX_7
461#define index_cpu_INDEX_7_EDX_1 CPUID_INDEX_7
462#define index_cpu_AVX512_4VNNIW CPUID_INDEX_7
463#define index_cpu_AVX512_4FMAPS CPUID_INDEX_7
464#define index_cpu_FSRM CPUID_INDEX_7
465#define index_cpu_UINTR CPUID_INDEX_7
466#define index_cpu_INDEX_7_EDX_6 CPUID_INDEX_7
467#define index_cpu_INDEX_7_EDX_7 CPUID_INDEX_7
468#define index_cpu_AVX512_VP2INTERSECT CPUID_INDEX_7
469#define index_cpu_INDEX_7_EDX_9 CPUID_INDEX_7
470#define index_cpu_MD_CLEAR CPUID_INDEX_7
471#define index_cpu_RTM_ALWAYS_ABORT CPUID_INDEX_7
472#define index_cpu_INDEX_7_EDX_12 CPUID_INDEX_7
473#define index_cpu_INDEX_7_EDX_13 CPUID_INDEX_7
474#define index_cpu_SERIALIZE CPUID_INDEX_7
475#define index_cpu_HYBRID CPUID_INDEX_7
476#define index_cpu_TSXLDTRK CPUID_INDEX_7
477#define index_cpu_INDEX_7_EDX_17 CPUID_INDEX_7
478#define index_cpu_PCONFIG CPUID_INDEX_7
479#define index_cpu_INDEX_7_EDX_19 CPUID_INDEX_7
480#define index_cpu_IBT CPUID_INDEX_7
481#define index_cpu_INDEX_7_EDX_21 CPUID_INDEX_7
482#define index_cpu_AMX_BF16 CPUID_INDEX_7
483#define index_cpu_AVX512_FP16 CPUID_INDEX_7
484#define index_cpu_AMX_TILE CPUID_INDEX_7
485#define index_cpu_AMX_INT8 CPUID_INDEX_7
486#define index_cpu_IBRS_IBPB CPUID_INDEX_7
487#define index_cpu_STIBP CPUID_INDEX_7
488#define index_cpu_L1D_FLUSH CPUID_INDEX_7
489#define index_cpu_ARCH_CAPABILITIES CPUID_INDEX_7
490#define index_cpu_CORE_CAPABILITIES CPUID_INDEX_7
491#define index_cpu_SSBD CPUID_INDEX_7
492
493/* CPUID_INDEX_80000001. */
494
495/* ECX. */
496#define index_cpu_LAHF64_SAHF64 CPUID_INDEX_80000001
497#define index_cpu_SVM CPUID_INDEX_80000001
498#define index_cpu_LZCNT CPUID_INDEX_80000001
499#define index_cpu_SSE4A CPUID_INDEX_80000001
500#define index_cpu_PREFETCHW CPUID_INDEX_80000001
501#define index_cpu_XOP CPUID_INDEX_80000001
502#define index_cpu_LWP CPUID_INDEX_80000001
503#define index_cpu_FMA4 CPUID_INDEX_80000001
504#define index_cpu_TBM CPUID_INDEX_80000001
505
506/* EDX. */
507#define index_cpu_SYSCALL_SYSRET CPUID_INDEX_80000001
508#define index_cpu_NX CPUID_INDEX_80000001
509#define index_cpu_PAGE1GB CPUID_INDEX_80000001
510#define index_cpu_RDTSCP CPUID_INDEX_80000001
511#define index_cpu_LM CPUID_INDEX_80000001
512
513/* CPUID_INDEX_D_ECX_1. */
514
515/* EAX. */
516#define index_cpu_XSAVEOPT CPUID_INDEX_D_ECX_1
517#define index_cpu_XSAVEC CPUID_INDEX_D_ECX_1
518#define index_cpu_XGETBV_ECX_1 CPUID_INDEX_D_ECX_1
519#define index_cpu_XSAVES CPUID_INDEX_D_ECX_1
520#define index_cpu_XFD CPUID_INDEX_D_ECX_1
521
522/* CPUID_INDEX_80000007. */
523
524/* EDX. */
525#define index_cpu_INVARIANT_TSC CPUID_INDEX_80000007
526
527/* CPUID_INDEX_80000008. */
528
529/* EBX. */
530#define index_cpu_WBNOINVD CPUID_INDEX_80000008
531#define index_cpu_AMD_IBPB CPUID_INDEX_80000008
532#define index_cpu_AMD_IBRS CPUID_INDEX_80000008
533#define index_cpu_AMD_STIBP CPUID_INDEX_80000008
534#define index_cpu_AMD_SSBD CPUID_INDEX_80000008
535#define index_cpu_AMD_VIRT_SSBD CPUID_INDEX_80000008
536
537/* CPUID_INDEX_7_ECX_1. */
538
539/* EAX. */
540#define index_cpu_AVX_VNNI CPUID_INDEX_7_ECX_1
541#define index_cpu_AVX512_BF16 CPUID_INDEX_7_ECX_1
542#define index_cpu_FZLRM CPUID_INDEX_7_ECX_1
543#define index_cpu_FSRS CPUID_INDEX_7_ECX_1
544#define index_cpu_FSRCS CPUID_INDEX_7_ECX_1
545#define index_cpu_HRESET CPUID_INDEX_7_ECX_1
546#define index_cpu_LAM CPUID_INDEX_7_ECX_1
547
548/* CPUID_INDEX_19. */
549
550/* EBX. */
551#define index_cpu_AESKLE CPUID_INDEX_19
552#define index_cpu_WIDE_KL CPUID_INDEX_19
553
554/* CPUID_INDEX_14_ECX_0. */
555
556/* EBX. */
557#define index_cpu_PTWRITE CPUID_INDEX_14_ECX_0
558
559/* CPUID_INDEX_1. */
560
561/* ECX. */
562#define reg_SSE3 ecx
563#define reg_PCLMULQDQ ecx
564#define reg_DTES64 ecx
565#define reg_MONITOR ecx
566#define reg_DS_CPL ecx
567#define reg_VMX ecx
568#define reg_SMX ecx
569#define reg_EIST ecx
570#define reg_TM2 ecx
571#define reg_SSSE3 ecx
572#define reg_CNXT_ID ecx
573#define reg_SDBG ecx
574#define reg_FMA ecx
575#define reg_CMPXCHG16B ecx
576#define reg_XTPRUPDCTRL ecx
577#define reg_PDCM ecx
578#define reg_INDEX_1_ECX_16 ecx
579#define reg_PCID ecx
580#define reg_DCA ecx
581#define reg_SSE4_1 ecx
582#define reg_SSE4_2 ecx
583#define reg_X2APIC ecx
584#define reg_MOVBE ecx
585#define reg_POPCNT ecx
586#define reg_TSC_DEADLINE ecx
587#define reg_AES ecx
588#define reg_XSAVE ecx
589#define reg_OSXSAVE ecx
590#define reg_AVX ecx
591#define reg_F16C ecx
592#define reg_RDRAND ecx
593#define reg_INDEX_1_ECX_31 ecx
594
595/* EDX. */
596#define reg_FPU edx
597#define reg_VME edx
598#define reg_DE edx
599#define reg_PSE edx
600#define reg_TSC edx
601#define reg_MSR edx
602#define reg_PAE edx
603#define reg_MCE edx
604#define reg_CX8 edx
605#define reg_APIC edx
606#define reg_INDEX_1_EDX_10 edx
607#define reg_SEP edx
608#define reg_MTRR edx
609#define reg_PGE edx
610#define reg_MCA edx
611#define reg_CMOV edx
612#define reg_PAT edx
613#define reg_PSE_36 edx
614#define reg_PSN edx
615#define reg_CLFSH edx
616#define reg_INDEX_1_EDX_20 edx
617#define reg_DS edx
618#define reg_ACPI edx
619#define reg_MMX edx
620#define reg_FXSR edx
621#define reg_SSE edx
622#define reg_SSE2 edx
623#define reg_SS edx
624#define reg_HTT edx
625#define reg_TM edx
626#define reg_INDEX_1_EDX_30 edx
627#define reg_PBE edx
628
629/* CPUID_INDEX_7. */
630
631/* EBX. */
632#define reg_FSGSBASE ebx
633#define reg_TSC_ADJUST ebx
634#define reg_SGX ebx
635#define reg_BMI1 ebx
636#define reg_HLE ebx
637#define reg_BMI2 ebx
638#define reg_AVX2 ebx
639#define reg_INDEX_7_EBX_6 ebx
640#define reg_SMEP ebx
641#define reg_ERMS ebx
642#define reg_INVPCID ebx
643#define reg_RTM ebx
644#define reg_RDT_M ebx
645#define reg_DEPR_FPU_CS_DS ebx
646#define reg_MPX ebx
647#define reg_RDT_A ebx
648#define reg_AVX512F ebx
649#define reg_AVX512DQ ebx
650#define reg_RDSEED ebx
651#define reg_ADX ebx
652#define reg_SMAP ebx
653#define reg_AVX512_IFMA ebx
654#define reg_INDEX_7_EBX_22 ebx
655#define reg_CLFLUSHOPT ebx
656#define reg_CLWB ebx
657#define reg_TRACE ebx
658#define reg_AVX512PF ebx
659#define reg_AVX512ER ebx
660#define reg_AVX512CD ebx
661#define reg_SHA ebx
662#define reg_AVX512BW ebx
663#define reg_AVX512VL ebx
664
665/* ECX. */
666#define reg_PREFETCHWT1 ecx
667#define reg_AVX512_VBMI ecx
668#define reg_UMIP ecx
669#define reg_PKU ecx
670#define reg_OSPKE ecx
671#define reg_WAITPKG ecx
672#define reg_AVX512_VBMI2 ecx
673#define reg_SHSTK ecx
674#define reg_GFNI ecx
675#define reg_VAES ecx
676#define reg_VPCLMULQDQ ecx
677#define reg_AVX512_VNNI ecx
678#define reg_AVX512_BITALG ecx
679#define reg_INDEX_7_ECX_13 ecx
680#define reg_AVX512_VPOPCNTDQ ecx
681#define reg_INDEX_7_ECX_15 ecx
682#define reg_INDEX_7_ECX_16 ecx
683#define reg_RDPID ecx
684#define reg_KL ecx
685#define reg_INDEX_7_ECX_24 ecx
686#define reg_CLDEMOTE ecx
687#define reg_INDEX_7_ECX_26 ecx
688#define reg_MOVDIRI ecx
689#define reg_MOVDIR64B ecx
690#define reg_ENQCMD ecx
691#define reg_SGX_LC ecx
692#define reg_PKS ecx
693
694/* EDX. */
695#define reg_INDEX_7_EDX_0 edx
696#define reg_INDEX_7_EDX_1 edx
697#define reg_AVX512_4VNNIW edx
698#define reg_AVX512_4FMAPS edx
699#define reg_FSRM edx
700#define reg_UINTR edx
701#define reg_INDEX_7_EDX_6 edx
702#define reg_INDEX_7_EDX_7 edx
703#define reg_AVX512_VP2INTERSECT edx
704#define reg_INDEX_7_EDX_9 edx
705#define reg_MD_CLEAR edx
706#define reg_RTM_ALWAYS_ABORT edx
707#define reg_INDEX_7_EDX_12 edx
708#define reg_INDEX_7_EDX_13 edx
709#define reg_SERIALIZE edx
710#define reg_HYBRID edx
711#define reg_TSXLDTRK edx
712#define reg_INDEX_7_EDX_17 edx
713#define reg_PCONFIG edx
714#define reg_INDEX_7_EDX_19 edx
715#define reg_IBT edx
716#define reg_INDEX_7_EDX_21 edx
717#define reg_AMX_BF16 edx
718#define reg_AVX512_FP16 edx
719#define reg_AMX_TILE edx
720#define reg_AMX_INT8 edx
721#define reg_IBRS_IBPB edx
722#define reg_STIBP edx
723#define reg_L1D_FLUSH edx
724#define reg_ARCH_CAPABILITIES edx
725#define reg_CORE_CAPABILITIES edx
726#define reg_SSBD edx
727
728/* CPUID_INDEX_80000001. */
729
730/* ECX. */
731#define reg_LAHF64_SAHF64 ecx
732#define reg_SVM ecx
733#define reg_LZCNT ecx
734#define reg_SSE4A ecx
735#define reg_PREFETCHW ecx
736#define reg_XOP ecx
737#define reg_LWP ecx
738#define reg_FMA4 ecx
739#define reg_TBM ecx
740
741/* EDX. */
742#define reg_SYSCALL_SYSRET edx
743#define reg_NX edx
744#define reg_PAGE1GB edx
745#define reg_RDTSCP edx
746#define reg_LM edx
747
748/* CPUID_INDEX_D_ECX_1. */
749
750/* EAX. */
751#define reg_XSAVEOPT eax
752#define reg_XSAVEC eax
753#define reg_XGETBV_ECX_1 eax
754#define reg_XSAVES eax
755#define reg_XFD eax
756
757/* CPUID_INDEX_80000007. */
758
759/* EDX. */
760#define reg_INVARIANT_TSC edx
761
762/* CPUID_INDEX_80000008. */
763
764/* EBX. */
765#define reg_WBNOINVD ebx
766#define reg_AMD_IBPB ebx
767#define reg_AMD_IBRS ebx
768#define reg_AMD_STIBP ebx
769#define reg_AMD_SSBD ebx
770#define reg_AMD_VIRT_SSBD ebx
771
772/* CPUID_INDEX_7_ECX_1. */
773
774/* EAX. */
775#define reg_AVX_VNNI eax
776#define reg_AVX512_BF16 eax
777#define reg_FZLRM eax
778#define reg_FSRS eax
779#define reg_FSRCS eax
780#define reg_HRESET eax
781#define reg_LAM eax
782
783/* CPUID_INDEX_19. */
784
785/* EBX. */
786#define reg_AESKLE ebx
787#define reg_WIDE_KL ebx
788
789/* CPUID_INDEX_14_ECX_0. */
790
791/* EBX. */
792#define reg_PTWRITE ebx
793
794/* PREFERRED_FEATURE_INDEX_1. First define the bitindex values
795 sequentially, then define the bit_arch* and index_arch_* lookup
796 constants. */
797enum
798 {
799#define BIT(x) _bitindex_arch_##x ,
800#include "cpu-features-preferred_feature_index_1.def"
801#undef BIT
802 };
803enum
804 {
805#define BIT(x) \
806 bit_arch_##x = 1u << _bitindex_arch_##x , \
807 index_arch_##x = PREFERRED_FEATURE_INDEX_1,
808#include "cpu-features-preferred_feature_index_1.def"
809#undef BIT
810 };
811
812/* XCR0 Feature flags. */
813#define bit_XMM_state (1u << 1)
814#define bit_YMM_state (1u << 2)
815#define bit_Opmask_state (1u << 5)
816#define bit_ZMM0_15_state (1u << 6)
817#define bit_ZMM16_31_state (1u << 7)
818#define bit_XTILECFG_state (1u << 17)
819#define bit_XTILEDATA_state (1u << 18)
820
821enum cpu_features_kind
822{
823 arch_kind_unknown = 0,
824 arch_kind_intel,
825 arch_kind_amd,
826 arch_kind_zhaoxin,
827 arch_kind_other
828};
829
830struct cpu_features_basic
831{
832 enum cpu_features_kind kind;
833 int max_cpuid;
834 unsigned int family;
835 unsigned int model;
836 unsigned int stepping;
837};
838
839struct cpuid_registers
840{
841 unsigned int eax;
842 unsigned int ebx;
843 unsigned int ecx;
844 unsigned int edx;
845};
846
847struct cpuid_feature_internal
848{
849 union
850 {
851 unsigned int cpuid_array[4];
852 struct cpuid_registers cpuid;
853 };
854 union
855 {
856 unsigned int active_array[4];
857 struct cpuid_registers active;
858 };
859};
860
861/* NB: When adding new fields, update sysdeps/x86/dl-diagnostics-cpu.c
862 to print them. */
863struct cpu_features
864{
865 struct cpu_features_basic basic;
866 struct cpuid_feature_internal features[CPUID_INDEX_MAX];
867 unsigned int preferred[PREFERRED_FEATURE_INDEX_MAX];
868 /* X86 micro-architecture ISA levels. */
869 unsigned int isa_1;
870 /* The state size for XSAVEC or XSAVE. The type must be unsigned long
871 int so that we use
872
873 sub xsave_state_size_offset(%rip) %RSP_LP
874
875 in _dl_runtime_resolve. */
876 unsigned long int xsave_state_size;
877 /* The full state size for XSAVE when XSAVEC is disabled by
878
879 GLIBC_TUNABLES=glibc.cpu.hwcaps=-XSAVEC
880 */
881 unsigned int xsave_state_full_size;
882 /* Data cache size for use in memory and string routines, typically
883 L1 size. */
884 unsigned long int data_cache_size;
885 /* Shared cache size for use in memory and string routines, typically
886 L2 or L3 size. */
887 unsigned long int shared_cache_size;
888 /* Threshold to use non temporal store. */
889 unsigned long int non_temporal_threshold;
890 /* Threshold to use "rep movsb". */
891 unsigned long int rep_movsb_threshold;
892 /* Threshold to stop using "rep movsb". */
893 unsigned long int rep_movsb_stop_threshold;
894 /* Threshold to use "rep stosb". */
895 unsigned long int rep_stosb_threshold;
896 /* _SC_LEVEL1_ICACHE_SIZE. */
897 unsigned long int level1_icache_size;
898 /* _SC_LEVEL1_ICACHE_LINESIZE. */
899 unsigned long int level1_icache_linesize;
900 /* _SC_LEVEL1_DCACHE_SIZE. */
901 unsigned long int level1_dcache_size;
902 /* _SC_LEVEL1_DCACHE_ASSOC. */
903 unsigned long int level1_dcache_assoc;
904 /* _SC_LEVEL1_DCACHE_LINESIZE. */
905 unsigned long int level1_dcache_linesize;
906 /* _SC_LEVEL2_CACHE_ASSOC. */
907 unsigned long int level2_cache_size;
908 /* _SC_LEVEL2_DCACHE_ASSOC. */
909 unsigned long int level2_cache_assoc;
910 /* _SC_LEVEL2_CACHE_LINESIZE. */
911 unsigned long int level2_cache_linesize;
912 /* /_SC_LEVEL3_CACHE_SIZE. */
913 unsigned long int level3_cache_size;
914 /* _SC_LEVEL3_CACHE_ASSOC. */
915 unsigned long int level3_cache_assoc;
916 /* _SC_LEVEL3_CACHE_LINESIZE. */
917 unsigned long int level3_cache_linesize;
918 /* /_SC_LEVEL4_CACHE_SIZE. */
919 unsigned long int level4_cache_size;
920};
921
922/* Get a pointer to the CPU features structure. */
923extern const struct cpu_features *_dl_x86_get_cpu_features (void)
924 __attribute__ ((pure));
925
926#define __get_cpu_features() _dl_x86_get_cpu_features()
927
928#if defined (_LIBC) && !IS_IN (nonlib)
929/* Unused for x86. */
930# define INIT_ARCH()
931# define _dl_x86_get_cpu_features() (&GLRO(dl_x86_cpu_features))
932extern void _dl_x86_init_cpu_features (void) attribute_hidden;
933#endif
934
935#ifdef __x86_64__
936# define HAS_CPUID 1
937#elif (defined __i586__ || defined __pentium__ \
938 || defined __geode__ || defined __k6__)
939# define HAS_CPUID 1
940# define HAS_I586 1
941# define HAS_I686 HAS_ARCH_FEATURE (I686)
942#elif defined __i486__
943# define HAS_CPUID 0
944# define HAS_I586 HAS_ARCH_FEATURE (I586)
945# define HAS_I686 HAS_ARCH_FEATURE (I686)
946#else
947# define HAS_CPUID 1
948# define HAS_I586 1
949# define HAS_I686 1
950#endif
951
952#endif /* include/cpu-features.h */
953