1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
| ; WARNING: do not edit!
| ; Generated from openssl/crypto/x86_64cpuid.pl
| ;
| ; Copyright 2005-2020 The OpenSSL Project Authors. All Rights Reserved.
| ;
| ; Licensed under the OpenSSL license (the "License"). You may not use
| ; this file except in compliance with the License. You can obtain a copy
| ; in the file LICENSE in the source distribution or at
| ; https://www.openssl.org/source/license.html
|
| default rel
| %define XMMWORD
| %define YMMWORD
| %define ZMMWORD
| EXTERN OPENSSL_cpuid_setup
|
| section .CRT$XCU rdata align=8
| DQ OPENSSL_cpuid_setup
|
|
| common OPENSSL_ia32cap_P 16
|
| section .text code align=64
|
|
| global OPENSSL_atomic_add
|
| ALIGN 16
| OPENSSL_atomic_add:
|
| mov eax,DWORD[rcx]
| $L$spin: lea r8,[rax*1+rdx]
| DB 0xf0
| cmpxchg DWORD[rcx],r8d
| jne NEAR $L$spin
| mov eax,r8d
| DB 0x48,0x98
| DB 0F3h,0C3h ;repret
|
|
|
| global OPENSSL_rdtsc
|
| ALIGN 16
| OPENSSL_rdtsc:
|
| rdtsc
| shl rdx,32
| or rax,rdx
| DB 0F3h,0C3h ;repret
|
|
|
| global OPENSSL_ia32_cpuid
|
| ALIGN 16
| OPENSSL_ia32_cpuid:
| mov QWORD[8+rsp],rdi ;WIN64 prologue
| mov QWORD[16+rsp],rsi
| mov rax,rsp
| $L$SEH_begin_OPENSSL_ia32_cpuid:
| mov rdi,rcx
|
|
|
| mov r8,rbx
|
|
| xor eax,eax
| mov QWORD[8+rdi],rax
| cpuid
| mov r11d,eax
|
| xor eax,eax
| cmp ebx,0x756e6547
| setne al
| mov r9d,eax
| cmp edx,0x49656e69
| setne al
| or r9d,eax
| cmp ecx,0x6c65746e
| setne al
| or r9d,eax
| jz NEAR $L$intel
|
| cmp ebx,0x68747541
| setne al
| mov r10d,eax
| cmp edx,0x69746E65
| setne al
| or r10d,eax
| cmp ecx,0x444D4163
| setne al
| or r10d,eax
| jnz NEAR $L$intel
|
|
| mov eax,0x80000000
| cpuid
| cmp eax,0x80000001
| jb NEAR $L$intel
| mov r10d,eax
| mov eax,0x80000001
| cpuid
| or r9d,ecx
| and r9d,0x00000801
|
| cmp r10d,0x80000008
| jb NEAR $L$intel
|
| mov eax,0x80000008
| cpuid
| movzx r10,cl
| inc r10
|
| mov eax,1
| cpuid
| bt edx,28
| jnc NEAR $L$generic
| shr ebx,16
| cmp bl,r10b
| ja NEAR $L$generic
| and edx,0xefffffff
| jmp NEAR $L$generic
|
| $L$intel:
| cmp r11d,4
| mov r10d,-1
| jb NEAR $L$nocacheinfo
|
| mov eax,4
| mov ecx,0
| cpuid
| mov r10d,eax
| shr r10d,14
| and r10d,0xfff
|
| $L$nocacheinfo:
| mov eax,1
| cpuid
| movd xmm0,eax
| and edx,0xbfefffff
| cmp r9d,0
| jne NEAR $L$notintel
| or edx,0x40000000
| and ah,15
| cmp ah,15
| jne NEAR $L$notP4
| or edx,0x00100000
| $L$notP4:
| cmp ah,6
| jne NEAR $L$notintel
| and eax,0x0fff0ff0
| cmp eax,0x00050670
| je NEAR $L$knights
| cmp eax,0x00080650
| jne NEAR $L$notintel
| $L$knights:
| and ecx,0xfbffffff
|
| $L$notintel:
| bt edx,28
| jnc NEAR $L$generic
| and edx,0xefffffff
| cmp r10d,0
| je NEAR $L$generic
|
| or edx,0x10000000
| shr ebx,16
| cmp bl,1
| ja NEAR $L$generic
| and edx,0xefffffff
| $L$generic:
| and r9d,0x00000800
| and ecx,0xfffff7ff
| or r9d,ecx
|
| mov r10d,edx
|
| cmp r11d,7
| jb NEAR $L$no_extended_info
| mov eax,7
| xor ecx,ecx
| cpuid
| bt r9d,26
| jc NEAR $L$notknights
| and ebx,0xfff7ffff
| $L$notknights:
| movd eax,xmm0
| and eax,0x0fff0ff0
| cmp eax,0x00050650
| jne NEAR $L$notskylakex
| and ebx,0xfffeffff
|
| $L$notskylakex:
| mov DWORD[8+rdi],ebx
| mov DWORD[12+rdi],ecx
| $L$no_extended_info:
|
| bt r9d,27
| jnc NEAR $L$clear_avx
| xor ecx,ecx
| DB 0x0f,0x01,0xd0
| and eax,0xe6
| cmp eax,0xe6
| je NEAR $L$done
| and DWORD[8+rdi],0x3fdeffff
|
|
|
|
| and eax,6
| cmp eax,6
| je NEAR $L$done
| $L$clear_avx:
| mov eax,0xefffe7ff
| and r9d,eax
| mov eax,0x3fdeffdf
| and DWORD[8+rdi],eax
| $L$done:
| shl r9,32
| mov eax,r10d
| mov rbx,r8
|
| or rax,r9
| mov rdi,QWORD[8+rsp] ;WIN64 epilogue
| mov rsi,QWORD[16+rsp]
| DB 0F3h,0C3h ;repret
|
| $L$SEH_end_OPENSSL_ia32_cpuid:
|
| global OPENSSL_cleanse
|
| ALIGN 16
| OPENSSL_cleanse:
|
| xor rax,rax
| cmp rdx,15
| jae NEAR $L$ot
| cmp rdx,0
| je NEAR $L$ret
| $L$ittle:
| mov BYTE[rcx],al
| sub rdx,1
| lea rcx,[1+rcx]
| jnz NEAR $L$ittle
| $L$ret:
| DB 0F3h,0C3h ;repret
| ALIGN 16
| $L$ot:
| test rcx,7
| jz NEAR $L$aligned
| mov BYTE[rcx],al
| lea rdx,[((-1))+rdx]
| lea rcx,[1+rcx]
| jmp NEAR $L$ot
| $L$aligned:
| mov QWORD[rcx],rax
| lea rdx,[((-8))+rdx]
| test rdx,-8
| lea rcx,[8+rcx]
| jnz NEAR $L$aligned
| cmp rdx,0
| jne NEAR $L$ittle
| DB 0F3h,0C3h ;repret
|
|
|
| global CRYPTO_memcmp
|
| ALIGN 16
| CRYPTO_memcmp:
|
| xor rax,rax
| xor r10,r10
| cmp r8,0
| je NEAR $L$no_data
| cmp r8,16
| jne NEAR $L$oop_cmp
| mov r10,QWORD[rcx]
| mov r11,QWORD[8+rcx]
| mov r8,1
| xor r10,QWORD[rdx]
| xor r11,QWORD[8+rdx]
| or r10,r11
| cmovnz rax,r8
| DB 0F3h,0C3h ;repret
|
| ALIGN 16
| $L$oop_cmp:
| mov r10b,BYTE[rcx]
| lea rcx,[1+rcx]
| xor r10b,BYTE[rdx]
| lea rdx,[1+rdx]
| or al,r10b
| dec r8
| jnz NEAR $L$oop_cmp
| neg rax
| shr rax,63
| $L$no_data:
| DB 0F3h,0C3h ;repret
|
|
| global OPENSSL_wipe_cpu
|
| ALIGN 16
| OPENSSL_wipe_cpu:
| pxor xmm0,xmm0
| pxor xmm1,xmm1
| pxor xmm2,xmm2
| pxor xmm3,xmm3
| pxor xmm4,xmm4
| pxor xmm5,xmm5
| xor rcx,rcx
| xor rdx,rdx
| xor r8,r8
| xor r9,r9
| xor r10,r10
| xor r11,r11
| lea rax,[8+rsp]
| DB 0F3h,0C3h ;repret
|
| global OPENSSL_instrument_bus
|
| ALIGN 16
| OPENSSL_instrument_bus:
|
| mov r10,rcx
| mov rcx,rdx
| mov r11,rdx
|
| rdtsc
| mov r8d,eax
| mov r9d,0
| clflush [r10]
| DB 0xf0
| add DWORD[r10],r9d
| jmp NEAR $L$oop
| ALIGN 16
| $L$oop: rdtsc
| mov edx,eax
| sub eax,r8d
| mov r8d,edx
| mov r9d,eax
| clflush [r10]
| DB 0xf0
| add DWORD[r10],eax
| lea r10,[4+r10]
| sub rcx,1
| jnz NEAR $L$oop
|
| mov rax,r11
| DB 0F3h,0C3h ;repret
|
|
|
| global OPENSSL_instrument_bus2
|
| ALIGN 16
| OPENSSL_instrument_bus2:
|
| mov r10,rcx
| mov rcx,rdx
| mov r11,r8
| mov QWORD[8+rsp],rcx
|
| rdtsc
| mov r8d,eax
| mov r9d,0
|
| clflush [r10]
| DB 0xf0
| add DWORD[r10],r9d
|
| rdtsc
| mov edx,eax
| sub eax,r8d
| mov r8d,edx
| mov r9d,eax
| $L$oop2:
| clflush [r10]
| DB 0xf0
| add DWORD[r10],eax
|
| sub r11,1
| jz NEAR $L$done2
|
| rdtsc
| mov edx,eax
| sub eax,r8d
| mov r8d,edx
| cmp eax,r9d
| mov r9d,eax
| mov edx,0
| setne dl
| sub rcx,rdx
| lea r10,[rdx*4+r10]
| jnz NEAR $L$oop2
|
| $L$done2:
| mov rax,QWORD[8+rsp]
| sub rax,rcx
| DB 0F3h,0C3h ;repret
|
|
| global OPENSSL_ia32_rdrand_bytes
|
| ALIGN 16
| OPENSSL_ia32_rdrand_bytes:
|
| xor rax,rax
| cmp rdx,0
| je NEAR $L$done_rdrand_bytes
|
| mov r11,8
| $L$oop_rdrand_bytes:
| DB 73,15,199,242
| jc NEAR $L$break_rdrand_bytes
| dec r11
| jnz NEAR $L$oop_rdrand_bytes
| jmp NEAR $L$done_rdrand_bytes
|
| ALIGN 16
| $L$break_rdrand_bytes:
| cmp rdx,8
| jb NEAR $L$tail_rdrand_bytes
| mov QWORD[rcx],r10
| lea rcx,[8+rcx]
| add rax,8
| sub rdx,8
| jz NEAR $L$done_rdrand_bytes
| mov r11,8
| jmp NEAR $L$oop_rdrand_bytes
|
| ALIGN 16
| $L$tail_rdrand_bytes:
| mov BYTE[rcx],r10b
| lea rcx,[1+rcx]
| inc rax
| shr r10,8
| dec rdx
| jnz NEAR $L$tail_rdrand_bytes
|
| $L$done_rdrand_bytes:
| xor r10,r10
| DB 0F3h,0C3h ;repret
|
|
| global OPENSSL_ia32_rdseed_bytes
|
| ALIGN 16
| OPENSSL_ia32_rdseed_bytes:
|
| xor rax,rax
| cmp rdx,0
| je NEAR $L$done_rdseed_bytes
|
| mov r11,8
| $L$oop_rdseed_bytes:
| DB 73,15,199,250
| jc NEAR $L$break_rdseed_bytes
| dec r11
| jnz NEAR $L$oop_rdseed_bytes
| jmp NEAR $L$done_rdseed_bytes
|
| ALIGN 16
| $L$break_rdseed_bytes:
| cmp rdx,8
| jb NEAR $L$tail_rdseed_bytes
| mov QWORD[rcx],r10
| lea rcx,[8+rcx]
| add rax,8
| sub rdx,8
| jz NEAR $L$done_rdseed_bytes
| mov r11,8
| jmp NEAR $L$oop_rdseed_bytes
|
| ALIGN 16
| $L$tail_rdseed_bytes:
| mov BYTE[rcx],r10b
| lea rcx,[1+rcx]
| inc rax
| shr r10,8
| dec rdx
| jnz NEAR $L$tail_rdseed_bytes
|
| $L$done_rdseed_bytes:
| xor r10,r10
| DB 0F3h,0C3h ;repret
|
|
|
|