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source: vbox/trunk/src/libs/openssl-1.1.0g/crypto/genasm-nasm/x86_64cpuid.S@ 69881

Last change on this file since 69881 was 69881, checked in by vboxsync, 7 years ago

Update OpenSSL to 1.1.0g.
bugref:8070: src/libs maintenance
  • Property svn:eol-style set to native
File size: 6.1 KB
Line 
1default rel
2%define XMMWORD
3%define YMMWORD
4%define ZMMWORD
5EXTERN OPENSSL_cpuid_setup
6
7section .CRT$XCU rdata align=8
8 DQ OPENSSL_cpuid_setup
9
10
11common OPENSSL_ia32cap_P 16
12
13section .text code align=64
14
15
16global OPENSSL_atomic_add
17
18ALIGN 16
19OPENSSL_atomic_add:
20 mov eax,DWORD[rcx]
21$L$spin: lea r8,[rax*1+rdx]
22DB 0xf0
23 cmpxchg DWORD[rcx],r8d
24 jne NEAR $L$spin
25 mov eax,r8d
26DB 0x48,0x98
27 DB 0F3h,0C3h ;repret
28
29
30global OPENSSL_rdtsc
31
32ALIGN 16
33OPENSSL_rdtsc:
34 rdtsc
35 shl rdx,32
36 or rax,rdx
37 DB 0F3h,0C3h ;repret
38
39
40global OPENSSL_ia32_cpuid
41
42ALIGN 16
43OPENSSL_ia32_cpuid:
44 mov QWORD[8+rsp],rdi ;WIN64 prologue
45 mov QWORD[16+rsp],rsi
46 mov rax,rsp
47$L$SEH_begin_OPENSSL_ia32_cpuid:
48 mov rdi,rcx
49
50
51 mov r8,rbx
52
53 xor eax,eax
54 mov DWORD[8+rdi],eax
55 cpuid
56 mov r11d,eax
57
58 xor eax,eax
59 cmp ebx,0x756e6547
60 setne al
61 mov r9d,eax
62 cmp edx,0x49656e69
63 setne al
64 or r9d,eax
65 cmp ecx,0x6c65746e
66 setne al
67 or r9d,eax
68 jz NEAR $L$intel
69
70 cmp ebx,0x68747541
71 setne al
72 mov r10d,eax
73 cmp edx,0x69746E65
74 setne al
75 or r10d,eax
76 cmp ecx,0x444D4163
77 setne al
78 or r10d,eax
79 jnz NEAR $L$intel
80
81
82 mov eax,0x80000000
83 cpuid
84 cmp eax,0x80000001
85 jb NEAR $L$intel
86 mov r10d,eax
87 mov eax,0x80000001
88 cpuid
89 or r9d,ecx
90 and r9d,0x00000801
91
92 cmp r10d,0x80000008
93 jb NEAR $L$intel
94
95 mov eax,0x80000008
96 cpuid
97 movzx r10,cl
98 inc r10
99
100 mov eax,1
101 cpuid
102 bt edx,28
103 jnc NEAR $L$generic
104 shr ebx,16
105 cmp bl,r10b
106 ja NEAR $L$generic
107 and edx,0xefffffff
108 jmp NEAR $L$generic
109
110$L$intel:
111 cmp r11d,4
112 mov r10d,-1
113 jb NEAR $L$nocacheinfo
114
115 mov eax,4
116 mov ecx,0
117 cpuid
118 mov r10d,eax
119 shr r10d,14
120 and r10d,0xfff
121
122$L$nocacheinfo:
123 mov eax,1
124 cpuid
125 and edx,0xbfefffff
126 cmp r9d,0
127 jne NEAR $L$notintel
128 or edx,0x40000000
129 and ah,15
130 cmp ah,15
131 jne NEAR $L$notintel
132 or edx,0x00100000
133$L$notintel:
134 bt edx,28
135 jnc NEAR $L$generic
136 and edx,0xefffffff
137 cmp r10d,0
138 je NEAR $L$generic
139
140 or edx,0x10000000
141 shr ebx,16
142 cmp bl,1
143 ja NEAR $L$generic
144 and edx,0xefffffff
145$L$generic:
146 and r9d,0x00000800
147 and ecx,0xfffff7ff
148 or r9d,ecx
149
150 mov r10d,edx
151
152 cmp r11d,7
153 jb NEAR $L$no_extended_info
154 mov eax,7
155 xor ecx,ecx
156 cpuid
157 mov DWORD[8+rdi],ebx
158$L$no_extended_info:
159
160 bt r9d,27
161 jnc NEAR $L$clear_avx
162 xor ecx,ecx
163DB 0x0f,0x01,0xd0
164 and eax,6
165 cmp eax,6
166 je NEAR $L$done
167$L$clear_avx:
168 mov eax,0xefffe7ff
169 and r9d,eax
170 and DWORD[8+rdi],0xffffffdf
171$L$done:
172 shl r9,32
173 mov eax,r10d
174 mov rbx,r8
175 or rax,r9
176 mov rdi,QWORD[8+rsp] ;WIN64 epilogue
177 mov rsi,QWORD[16+rsp]
178 DB 0F3h,0C3h ;repret
179$L$SEH_end_OPENSSL_ia32_cpuid:
180
181global OPENSSL_cleanse
182
183ALIGN 16
184OPENSSL_cleanse:
185 xor rax,rax
186 cmp rdx,15
187 jae NEAR $L$ot
188 cmp rdx,0
189 je NEAR $L$ret
190$L$ittle:
191 mov BYTE[rcx],al
192 sub rdx,1
193 lea rcx,[1+rcx]
194 jnz NEAR $L$ittle
195$L$ret:
196 DB 0F3h,0C3h ;repret
197ALIGN 16
198$L$ot:
199 test rcx,7
200 jz NEAR $L$aligned
201 mov BYTE[rcx],al
202 lea rdx,[((-1))+rdx]
203 lea rcx,[1+rcx]
204 jmp NEAR $L$ot
205$L$aligned:
206 mov QWORD[rcx],rax
207 lea rdx,[((-8))+rdx]
208 test rdx,-8
209 lea rcx,[8+rcx]
210 jnz NEAR $L$aligned
211 cmp rdx,0
212 jne NEAR $L$ittle
213 DB 0F3h,0C3h ;repret
214
215
216global CRYPTO_memcmp
217
218ALIGN 16
219CRYPTO_memcmp:
220 xor rax,rax
221 xor r10,r10
222 cmp r8,0
223 je NEAR $L$no_data
224$L$oop_cmp:
225 mov r10b,BYTE[rcx]
226 lea rcx,[1+rcx]
227 xor r10b,BYTE[rdx]
228 lea rdx,[1+rdx]
229 or al,r10b
230 dec r8
231 jnz NEAR $L$oop_cmp
232 neg rax
233 shr rax,63
234$L$no_data:
235 DB 0F3h,0C3h ;repret
236
237global OPENSSL_wipe_cpu
238
239ALIGN 16
240OPENSSL_wipe_cpu:
241 pxor xmm0,xmm0
242 pxor xmm1,xmm1
243 pxor xmm2,xmm2
244 pxor xmm3,xmm3
245 pxor xmm4,xmm4
246 pxor xmm5,xmm5
247 xor rcx,rcx
248 xor rdx,rdx
249 xor r8,r8
250 xor r9,r9
251 xor r10,r10
252 xor r11,r11
253 lea rax,[8+rsp]
254 DB 0F3h,0C3h ;repret
255
256global OPENSSL_instrument_bus
257
258ALIGN 16
259OPENSSL_instrument_bus:
260 mov r10,rcx
261 mov rcx,rdx
262 mov r11,rdx
263
264 rdtsc
265 mov r8d,eax
266 mov r9d,0
267 clflush [r10]
268DB 0xf0
269 add DWORD[r10],r9d
270 jmp NEAR $L$oop
271ALIGN 16
272$L$oop: rdtsc
273 mov edx,eax
274 sub eax,r8d
275 mov r8d,edx
276 mov r9d,eax
277 clflush [r10]
278DB 0xf0
279 add DWORD[r10],eax
280 lea r10,[4+r10]
281 sub rcx,1
282 jnz NEAR $L$oop
283
284 mov rax,r11
285 DB 0F3h,0C3h ;repret
286
287
288global OPENSSL_instrument_bus2
289
290ALIGN 16
291OPENSSL_instrument_bus2:
292 mov r10,rcx
293 mov rcx,rdx
294 mov r11,r8
295 mov QWORD[8+rsp],rcx
296
297 rdtsc
298 mov r8d,eax
299 mov r9d,0
300
301 clflush [r10]
302DB 0xf0
303 add DWORD[r10],r9d
304
305 rdtsc
306 mov edx,eax
307 sub eax,r8d
308 mov r8d,edx
309 mov r9d,eax
310$L$oop2:
311 clflush [r10]
312DB 0xf0
313 add DWORD[r10],eax
314
315 sub r11,1
316 jz NEAR $L$done2
317
318 rdtsc
319 mov edx,eax
320 sub eax,r8d
321 mov r8d,edx
322 cmp eax,r9d
323 mov r9d,eax
324 mov edx,0
325 setne dl
326 sub rcx,rdx
327 lea r10,[rdx*4+r10]
328 jnz NEAR $L$oop2
329
330$L$done2:
331 mov rax,QWORD[8+rsp]
332 sub rax,rcx
333 DB 0F3h,0C3h ;repret
334
335global OPENSSL_ia32_rdrand
336
337ALIGN 16
338OPENSSL_ia32_rdrand:
339 mov ecx,8
340$L$oop_rdrand:
341DB 72,15,199,240
342 jc NEAR $L$break_rdrand
343 loop $L$oop_rdrand
344$L$break_rdrand:
345 cmp rax,0
346 cmove rax,rcx
347 DB 0F3h,0C3h ;repret
348
349
350global OPENSSL_ia32_rdrand_bytes
351
352ALIGN 16
353OPENSSL_ia32_rdrand_bytes:
354 xor rax,rax
355 cmp rdx,0
356 je NEAR $L$done_rdrand_bytes
357
358 mov r11,8
359$L$oop_rdrand_bytes:
360DB 73,15,199,242
361 jc NEAR $L$break_rdrand_bytes
362 dec r11
363 jnz NEAR $L$oop_rdrand_bytes
364 jmp NEAR $L$done_rdrand_bytes
365
366ALIGN 16
367$L$break_rdrand_bytes:
368 cmp rdx,8
369 jb NEAR $L$tail_rdrand_bytes
370 mov QWORD[rcx],r10
371 lea rcx,[8+rcx]
372 add rax,8
373 sub rdx,8
374 jz NEAR $L$done_rdrand_bytes
375 mov r11,8
376 jmp NEAR $L$oop_rdrand_bytes
377
378ALIGN 16
379$L$tail_rdrand_bytes:
380 mov BYTE[rcx],r10b
381 lea rcx,[1+rcx]
382 inc rax
383 shr r8,8
384 dec rdx
385 jnz NEAR $L$tail_rdrand_bytes
386
387$L$done_rdrand_bytes:
388 DB 0F3h,0C3h ;repret
389
390global OPENSSL_ia32_rdseed
391
392ALIGN 16
393OPENSSL_ia32_rdseed:
394 mov ecx,8
395$L$oop_rdseed:
396DB 72,15,199,248
397 jc NEAR $L$break_rdseed
398 loop $L$oop_rdseed
399$L$break_rdseed:
400 cmp rax,0
401 cmove rax,rcx
402 DB 0F3h,0C3h ;repret
403
404
405global OPENSSL_ia32_rdseed_bytes
406
407ALIGN 16
408OPENSSL_ia32_rdseed_bytes:
409 xor rax,rax
410 cmp rdx,0
411 je NEAR $L$done_rdseed_bytes
412
413 mov r11,8
414$L$oop_rdseed_bytes:
415DB 73,15,199,250
416 jc NEAR $L$break_rdseed_bytes
417 dec r11
418 jnz NEAR $L$oop_rdseed_bytes
419 jmp NEAR $L$done_rdseed_bytes
420
421ALIGN 16
422$L$break_rdseed_bytes:
423 cmp rdx,8
424 jb NEAR $L$tail_rdseed_bytes
425 mov QWORD[rcx],r10
426 lea rcx,[8+rcx]
427 add rax,8
428 sub rdx,8
429 jz NEAR $L$done_rdseed_bytes
430 mov r11,8
431 jmp NEAR $L$oop_rdseed_bytes
432
433ALIGN 16
434$L$tail_rdseed_bytes:
435 mov BYTE[rcx],r10b
436 lea rcx,[1+rcx]
437 inc rax
438 shr r8,8
439 dec rdx
440 jnz NEAR $L$tail_rdseed_bytes
441
442$L$done_rdseed_bytes:
443 DB 0F3h,0C3h ;repret
444
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