xref: /freebsd/contrib/llvm-project/clang/lib/Headers/keylockerintrin.h (revision 700637cbb5e582861067a11aaca4d053546871d2)
1 /*===----------------- keylockerintrin.h - KL Intrinsics -------------------===
2  *
3  * Permission is hereby granted, free of charge, to any person obtaining a copy
4  * of this software and associated documentation files (the "Software"), to deal
5  * in the Software without restriction, including without limitation the rights
6  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
7  * copies of the Software, and to permit persons to whom the Software is
8  * furnished to do so, subject to the following conditions:
9  *
10  * The above copyright notice and this permission notice shall be included in
11  * all copies or substantial portions of the Software.
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
16  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
18  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
19  * THE SOFTWARE.
20  *
21  *===-----------------------------------------------------------------------===
22  */
23 
24 #ifndef __IMMINTRIN_H
25 #error "Never use <keylockerintrin.h> directly; include <immintrin.h> instead."
26 #endif
27 
28 #ifndef _KEYLOCKERINTRIN_H
29 #define _KEYLOCKERINTRIN_H
30 
31 /* Define the default attributes for the functions in this file. */
32 #define __DEFAULT_FN_ATTRS \
33   __attribute__((__always_inline__, __nodebug__, __target__("kl"),\
34                  __min_vector_width__(128)))
35 
36 /// Load internal wrapping key from __intkey, __enkey_lo and __enkey_hi. __ctl
37 /// will assigned to EAX, whch specifies the KeySource and whether backing up
38 /// the key is permitted. The 256-bit encryption key is loaded from the two
39 /// explicit operands (__enkey_lo and __enkey_hi). The 128-bit integrity key is
40 /// loaded from the implicit operand XMM0 which assigned by __intkey.
41 ///
42 /// \headerfile <x86intrin.h>
43 ///
44 /// This intrinsic corresponds to the <c> LOADIWKEY </c> instructions.
45 ///
46 /// \code{.operation}
47 /// IF CPL > 0 // LOADKWKEY only allowed at ring 0 (supervisor mode)
48 ///   GP (0)
49 /// FI
50 /// IF “LOADIWKEY exiting” VM execution control set
51 ///   VMexit
52 /// FI
53 /// IF __ctl[4:1] > 1 // Reserved KeySource encoding used
54 ///   GP (0)
55 /// FI
56 /// IF __ctl[31:5] != 0 // Reserved bit in __ctl is set
57 ///   GP (0)
58 /// FI
59 /// IF __ctl[0] AND (CPUID.19H.ECX[0] == 0) // NoBackup is not supported on this part
60 ///   GP (0)
61 /// FI
62 /// IF (__ctl[4:1] == 1) AND (CPUID.19H.ECX[1] == 0) // KeySource of 1 is not supported on this part
63 ///   GP (0)
64 /// FI
65 /// IF (__ctl[4:1] == 0) // KeySource of 0.
66 ///   IWKey.Encryption Key[127:0] := __enkey_hi[127:0]:
67 ///   IWKey.Encryption Key[255:128] := __enkey_lo[127:0]
68 ///   IWKey.IntegrityKey[127:0] := __intkey[127:0]
69 ///   IWKey.NoBackup := __ctl[0]
70 ///   IWKey.KeySource := __ctl[4:1]
71 ///   ZF := 0
72 /// ELSE // KeySource of 1. See RDSEED definition for details of randomness
73 ///   IF HW_NRND_GEN.ready == 1 // Full-entropy random data from RDSEED was received
74 ///     IWKey.Encryption Key[127:0] := __enkey_hi[127:0] XOR HW_NRND_GEN.data[127:0]
75 ///     IWKey.Encryption Key[255:128] := __enkey_lo[127:0] XOR HW_NRND_GEN.data[255:128]
76 ///     IWKey.Encryption Key[255:0] := __enkey_hi[127:0]:__enkey_lo[127:0] XOR HW_NRND_GEN.data[255:0]
77 ///     IWKey.IntegrityKey[127:0] := __intkey[127:0] XOR HW_NRND_GEN.data[383:256]
78 ///     IWKey.NoBackup := __ctl[0]
79 ///     IWKey.KeySource := __ctl[4:1]
80 ///     ZF := 0
81 ///   ELSE // Random data was not returned from RDSEED. IWKey was not loaded
82 ///     ZF := 1
83 ///   FI
84 /// FI
85 /// dst := ZF
86 /// OF := 0
87 /// SF := 0
88 /// AF := 0
89 /// PF := 0
90 /// CF := 0
91 /// \endcode
92 static __inline__ void __DEFAULT_FN_ATTRS
_mm_loadiwkey(unsigned int __ctl,__m128i __intkey,__m128i __enkey_lo,__m128i __enkey_hi)93 _mm_loadiwkey (unsigned int __ctl, __m128i __intkey,
94                __m128i __enkey_lo, __m128i __enkey_hi) {
95   __builtin_ia32_loadiwkey (__intkey, __enkey_lo, __enkey_hi, __ctl);
96 }
97 
98 /// Wrap a 128-bit AES key from __key into a key handle and output in
99 /// ((__m128i*)__h) to ((__m128i*)__h) + 2  and a 32-bit value as return.
100 /// The explicit source operand __htype specifies handle restrictions.
101 ///
102 /// \headerfile <x86intrin.h>
103 ///
104 /// This intrinsic corresponds to the <c> ENCODEKEY128 </c> instructions.
105 ///
106 /// \code{.operation}
107 /// InputKey[127:0] := __key[127:0]
108 /// KeyMetadata[2:0] := __htype[2:0]
109 /// KeyMetadata[23:3] := 0 // Reserved for future usage
110 /// KeyMetadata[27:24] := 0 // KeyType is AES-128 (value of 0)
111 /// KeyMetadata[127:28] := 0 // Reserved for future usage
112 /// Handle[383:0] := WrapKey128(InputKey[127:0], KeyMetadata[127:0],
113 ///                  IWKey.Integrity Key[127:0], IWKey.Encryption Key[255:0])
114 /// dst[0] := IWKey.NoBackup
115 /// dst[4:1] := IWKey.KeySource[3:0]
116 /// dst[31:5] := 0
117 /// MEM[__h+127:__h] := Handle[127:0]   // AAD
118 /// MEM[__h+255:__h+128] := Handle[255:128] // Integrity Tag
119 /// MEM[__h+383:__h+256] := Handle[383:256] // CipherText
120 /// OF := 0
121 /// SF := 0
122 /// ZF := 0
123 /// AF := 0
124 /// PF := 0
125 /// CF := 0
126 /// \endcode
127 static __inline__ unsigned int __DEFAULT_FN_ATTRS
_mm_encodekey128_u32(unsigned int __htype,__m128i __key,void * __h)128 _mm_encodekey128_u32(unsigned int __htype, __m128i __key, void *__h) {
129   return __builtin_ia32_encodekey128_u32(__htype, (__v2di)__key, __h);
130 }
131 
132 /// Wrap a 256-bit AES key from __key_hi:__key_lo into a key handle, then
133 /// output handle in ((__m128i*)__h) to ((__m128i*)__h) + 3 and
134 /// a 32-bit value as return.
135 /// The explicit source operand __htype specifies handle restrictions.
136 ///
137 /// \headerfile <x86intrin.h>
138 ///
139 /// This intrinsic corresponds to the <c> ENCODEKEY256 </c> instructions.
140 ///
141 /// \code{.operation}
142 /// InputKey[127:0] := __key_lo[127:0]
143 /// InputKey[255:128] := __key_hi[255:128]
144 /// KeyMetadata[2:0] := __htype[2:0]
145 /// KeyMetadata[23:3] := 0 // Reserved for future usage
146 /// KeyMetadata[27:24] := 1 // KeyType is AES-256 (value of 1)
147 /// KeyMetadata[127:28] := 0 // Reserved for future usage
148 /// Handle[511:0] := WrapKey256(InputKey[255:0], KeyMetadata[127:0],
149 ///                  IWKey.Integrity Key[127:0], IWKey.Encryption Key[255:0])
150 /// dst[0] := IWKey.NoBackup
151 /// dst[4:1] := IWKey.KeySource[3:0]
152 /// dst[31:5] := 0
153 /// MEM[__h+127:__h]   := Handle[127:0] // AAD
154 /// MEM[__h+255:__h+128] := Handle[255:128] // Tag
155 /// MEM[__h+383:__h+256] := Handle[383:256] // CipherText[127:0]
156 /// MEM[__h+511:__h+384] := Handle[511:384] // CipherText[255:128]
157 /// OF := 0
158 /// SF := 0
159 /// ZF := 0
160 /// AF := 0
161 /// PF := 0
162 /// CF := 0
163 /// \endcode
164 static __inline__ unsigned int __DEFAULT_FN_ATTRS
_mm_encodekey256_u32(unsigned int __htype,__m128i __key_lo,__m128i __key_hi,void * __h)165 _mm_encodekey256_u32(unsigned int __htype, __m128i __key_lo, __m128i __key_hi,
166                      void *__h) {
167   return __builtin_ia32_encodekey256_u32(__htype, (__v2di)__key_lo,
168                                          (__v2di)__key_hi, __h);
169 }
170 
171 /// The AESENC128KL performs 10 rounds of AES to encrypt the __idata using
172 /// the 128-bit key in the handle from the __h. It stores the result in the
173 /// __odata. And return the affected ZF flag status.
174 ///
175 /// \headerfile <x86intrin.h>
176 ///
177 /// This intrinsic corresponds to the <c> AESENC128KL </c> instructions.
178 ///
179 /// \code{.operation}
180 /// Handle[383:0] := MEM[__h+383:__h] // Load is not guaranteed to be atomic.
181 /// IllegalHandle := ( HandleReservedBitSet (Handle[383:0]) ||
182 ///                    (Handle[127:0] AND (CPL > 0)) ||
183 ///                    Handle[383:256] ||
184 ///                    HandleKeyType (Handle[383:0]) != HANDLE_KEY_TYPE_AES128 )
185 /// IF (IllegalHandle)
186 ///   ZF := 1
187 /// ELSE
188 ///   (UnwrappedKey, Authentic) := UnwrapKeyAndAuthenticate384 (Handle[383:0], IWKey)
189 ///   IF (Authentic == 0)
190 ///     ZF := 1
191 ///   ELSE
192 ///     MEM[__odata+127:__odata] := AES128Encrypt (__idata[127:0], UnwrappedKey)
193 ///     ZF := 0
194 ///   FI
195 /// FI
196 /// dst := ZF
197 /// OF := 0
198 /// SF := 0
199 /// AF := 0
200 /// PF := 0
201 /// CF := 0
202 /// \endcode
203 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_mm_aesenc128kl_u8(__m128i * __odata,__m128i __idata,const void * __h)204 _mm_aesenc128kl_u8(__m128i* __odata, __m128i __idata, const void *__h) {
205   return __builtin_ia32_aesenc128kl_u8((__v2di *)__odata, (__v2di)__idata, __h);
206 }
207 
208 /// The AESENC256KL performs 14 rounds of AES to encrypt the __idata using
209 /// the 256-bit key in the handle from the __h. It stores the result in the
210 /// __odata. And return the affected ZF flag status.
211 ///
212 /// \headerfile <x86intrin.h>
213 ///
214 /// This intrinsic corresponds to the <c> AESENC256KL </c> instructions.
215 ///
216 /// \code{.operation}
217 /// Handle[511:0] := MEM[__h+511:__h] // Load is not guaranteed to be atomic.
218 /// IllegalHandle := ( HandleReservedBitSet (Handle[511:0]) ||
219 ///                    (Handle[127:0] AND (CPL > 0)) ||
220 ///                    Handle[255:128] ||
221 ///                    HandleKeyType (Handle[511:0]) != HANDLE_KEY_TYPE_AES256 )
222 /// IF (IllegalHandle)
223 ///   ZF := 1
224 ///   MEM[__odata+127:__odata] := 0
225 /// ELSE
226 ///   (UnwrappedKey, Authentic) := UnwrapKeyAndAuthenticate512 (Handle[511:0], IWKey)
227 ///   IF (Authentic == 0)
228 ///     ZF := 1
229 ///     MEM[__odata+127:__odata] := 0
230 ///   ELSE
231 ///     MEM[__odata+127:__odata] := AES256Encrypt (__idata[127:0], UnwrappedKey)
232 ///     ZF := 0
233 ///   FI
234 /// FI
235 /// dst := ZF
236 /// OF := 0
237 /// SF := 0
238 /// AF := 0
239 /// PF := 0
240 /// CF := 0
241 /// \endcode
242 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_mm_aesenc256kl_u8(__m128i * __odata,__m128i __idata,const void * __h)243 _mm_aesenc256kl_u8(__m128i* __odata, __m128i __idata, const void *__h) {
244   return __builtin_ia32_aesenc256kl_u8((__v2di *)__odata, (__v2di)__idata, __h);
245 }
246 
247 /// The AESDEC128KL performs 10 rounds of AES to decrypt the __idata using
248 /// the 128-bit key in the handle from the __h. It stores the result in the
249 /// __odata. And return the affected ZF flag status.
250 ///
251 /// \headerfile <x86intrin.h>
252 ///
253 /// This intrinsic corresponds to the <c> AESDEC128KL </c> instructions.
254 ///
255 /// \code{.operation}
256 /// Handle[383:0] := MEM[__h+383:__h] // Load is not guaranteed to be atomic.
257 /// IllegalHandle := (HandleReservedBitSet (Handle[383:0]) ||
258 ///                  (Handle[127:0] AND (CPL > 0)) ||
259 ///                  Handle[383:256] ||
260 ///                  HandleKeyType (Handle[383:0]) != HANDLE_KEY_TYPE_AES128)
261 /// IF (IllegalHandle)
262 ///   ZF := 1
263 ///   MEM[__odata+127:__odata] := 0
264 /// ELSE
265 ///   (UnwrappedKey, Authentic) := UnwrapKeyAndAuthenticate384 (Handle[383:0], IWKey)
266 ///   IF (Authentic == 0)
267 ///     ZF := 1
268 ///     MEM[__odata+127:__odata] := 0
269 ///   ELSE
270 ///     MEM[__odata+127:__odata] := AES128Decrypt (__idata[127:0], UnwrappedKey)
271 ///     ZF := 0
272 ///   FI
273 /// FI
274 /// dst := ZF
275 /// OF := 0
276 /// SF := 0
277 /// AF := 0
278 /// PF := 0
279 /// CF := 0
280 /// \endcode
281 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_mm_aesdec128kl_u8(__m128i * __odata,__m128i __idata,const void * __h)282 _mm_aesdec128kl_u8(__m128i* __odata, __m128i __idata, const void *__h) {
283   return __builtin_ia32_aesdec128kl_u8((__v2di *)__odata, (__v2di)__idata, __h);
284 }
285 
286 /// The AESDEC256KL performs 10 rounds of AES to decrypt the __idata using
287 /// the 256-bit key in the handle from the __h. It stores the result in the
288 /// __odata. And return the affected ZF flag status.
289 ///
290 /// \headerfile <x86intrin.h>
291 ///
292 /// This intrinsic corresponds to the <c> AESDEC256KL </c> instructions.
293 ///
294 /// \code{.operation}
295 /// Handle[511:0] := MEM[__h+511:__h]
296 /// IllegalHandle := (HandleReservedBitSet (Handle[511:0]) ||
297 ///                   (Handle[127:0] AND (CPL > 0)) ||
298 ///                   Handle[383:256] ||
299 ///                   HandleKeyType (Handle[511:0]) != HANDLE_KEY_TYPE_AES256)
300 /// IF (IllegalHandle)
301 ///   ZF := 1
302 ///   MEM[__odata+127:__odata] := 0
303 /// ELSE
304 ///   (UnwrappedKey, Authentic) := UnwrapKeyAndAuthenticate512 (Handle[511:0], IWKey)
305 ///   IF (Authentic == 0)
306 ///     ZF := 1
307 ///     MEM[__odata+127:__odata] := 0
308 ///   ELSE
309 ///     MEM[__odata+127:__odata] := AES256Decrypt (__idata[127:0], UnwrappedKey)
310 ///     ZF := 0
311 ///   FI
312 /// FI
313 /// dst := ZF
314 /// OF := 0
315 /// SF := 0
316 /// AF := 0
317 /// PF := 0
318 /// CF := 0
319 /// \endcode
320 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_mm_aesdec256kl_u8(__m128i * __odata,__m128i __idata,const void * __h)321 _mm_aesdec256kl_u8(__m128i* __odata, __m128i __idata, const void *__h) {
322   return __builtin_ia32_aesdec256kl_u8((__v2di *)__odata, (__v2di)__idata, __h);
323 }
324 
325 #undef __DEFAULT_FN_ATTRS
326 
327 /* Define the default attributes for the functions in this file. */
328 #define __DEFAULT_FN_ATTRS \
329   __attribute__((__always_inline__, __nodebug__, __target__("kl,widekl"),\
330                  __min_vector_width__(128)))
331 
332 /// Encrypt __idata[0] to __idata[7] using 128-bit AES key indicated by handle
333 /// at __h and store each resultant block back from __odata to __odata+7. And
334 /// return the affected ZF flag status.
335 ///
336 /// \headerfile <x86intrin.h>
337 ///
338 /// This intrinsic corresponds to the <c> AESENCWIDE128KL </c> instructions.
339 ///
340 /// \code{.operation}
341 /// Handle := MEM[__h+383:__h]
342 /// IllegalHandle := ( HandleReservedBitSet (Handle[383:0]) ||
343 ///                    (Handle[127:0] AND (CPL > 0)) ||
344 ///                    Handle[255:128] ||
345 ///                    HandleKeyType (Handle[383:0]) != HANDLE_KEY_TYPE_AES128 )
346 /// IF (IllegalHandle)
347 ///   ZF := 1
348 ///   FOR i := 0 to 7
349 ///     __odata[i] := 0
350 ///   ENDFOR
351 /// ELSE
352 ///   (UnwrappedKey, Authentic) := UnwrapKeyAndAuthenticate384 (Handle[383:0], IWKey)
353 ///   IF Authentic == 0
354 ///     ZF := 1
355 ///     FOR i := 0 to 7
356 ///       __odata[i] := 0
357 ///     ENDFOR
358 ///   ELSE
359 ///     FOR i := 0 to 7
360 ///       __odata[i] := AES128Encrypt (__idata[i], UnwrappedKey)
361 ///     ENDFOR
362 ///     ZF := 0
363 ///   FI
364 /// FI
365 /// dst := ZF
366 /// OF := 0
367 /// SF := 0
368 /// AF := 0
369 /// PF := 0
370 /// CF := 0
371 /// \endcode
372 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_mm_aesencwide128kl_u8(__m128i __odata[8],const __m128i __idata[8],const void * __h)373 _mm_aesencwide128kl_u8(__m128i __odata[8], const __m128i __idata[8], const void* __h) {
374   return __builtin_ia32_aesencwide128kl_u8((__v2di *)__odata,
375                                            (const __v2di *)__idata, __h);
376 }
377 
378 /// Encrypt __idata[0] to __idata[7] using 256-bit AES key indicated by handle
379 /// at __h and store each resultant block back from __odata to __odata+7. And
380 /// return the affected ZF flag status.
381 ///
382 /// \headerfile <x86intrin.h>
383 ///
384 /// This intrinsic corresponds to the <c> AESENCWIDE256KL </c> instructions.
385 ///
386 /// \code{.operation}
387 /// Handle[511:0] := MEM[__h+511:__h]
388 /// IllegalHandle := ( HandleReservedBitSet (Handle[511:0]) ||
389 ///                    (Handle[127:0] AND (CPL > 0)) ||
390 ///                    Handle[255:128] ||
391 ///                    HandleKeyType (Handle[511:0]) != HANDLE_KEY_TYPE_AES512 )
392 /// IF (IllegalHandle)
393 ///   ZF := 1
394 ///   FOR i := 0 to 7
395 ///     __odata[i] := 0
396 ///   ENDFOR
397 /// ELSE
398 ///   (UnwrappedKey, Authentic) := UnwrapKeyAndAuthenticate512 (Handle[511:0], IWKey)
399 ///   IF Authentic == 0
400 ///     ZF := 1
401 ///     FOR i := 0 to 7
402 ///       __odata[i] := 0
403 ///     ENDFOR
404 ///   ELSE
405 ///     FOR i := 0 to 7
406 ///       __odata[i] := AES256Encrypt (__idata[i], UnwrappedKey)
407 ///     ENDFOR
408 ///     ZF := 0
409 ///   FI
410 /// FI
411 /// dst := ZF
412 /// OF := 0
413 /// SF := 0
414 /// AF := 0
415 /// PF := 0
416 /// CF := 0
417 /// \endcode
418 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_mm_aesencwide256kl_u8(__m128i __odata[8],const __m128i __idata[8],const void * __h)419 _mm_aesencwide256kl_u8(__m128i __odata[8], const __m128i __idata[8], const void* __h) {
420   return __builtin_ia32_aesencwide256kl_u8((__v2di *)__odata,
421                                            (const __v2di *)__idata, __h);
422 }
423 
424 /// Decrypt __idata[0] to __idata[7] using 128-bit AES key indicated by handle
425 /// at __h and store each resultant block back from __odata to __odata+7. And
426 /// return the affected ZF flag status.
427 ///
428 /// \headerfile <x86intrin.h>
429 ///
430 /// This intrinsic corresponds to the <c> AESDECWIDE128KL </c> instructions.
431 ///
432 /// \code{.operation}
433 /// Handle[383:0] := MEM[__h+383:__h]
434 /// IllegalHandle := ( HandleReservedBitSet (Handle[383:0]) ||
435 ///                    (Handle[127:0] AND (CPL > 0)) ||
436 ///                    Handle[255:128] ||
437 ///                    HandleKeyType (Handle) != HANDLE_KEY_TYPE_AES128 )
438 /// IF (IllegalHandle)
439 ///   ZF := 1
440 ///   FOR i := 0 to 7
441 ///     __odata[i] := 0
442 ///   ENDFOR
443 /// ELSE
444 ///   (UnwrappedKey, Authentic) := UnwrapKeyAndAuthenticate384 (Handle[383:0], IWKey)
445 ///   IF Authentic == 0
446 ///     ZF := 1
447 ///     FOR i := 0 to 7
448 ///       __odata[i] := 0
449 ///     ENDFOR
450 ///   ELSE
451 ///     FOR i := 0 to 7
452 ///       __odata[i] := AES128Decrypt (__idata[i], UnwrappedKey)
453 ///     ENDFOR
454 ///     ZF := 0
455 ///   FI
456 /// FI
457 /// dst := ZF
458 /// OF := 0
459 /// SF := 0
460 /// AF := 0
461 /// PF := 0
462 /// CF := 0
463 /// \endcode
464 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_mm_aesdecwide128kl_u8(__m128i __odata[8],const __m128i __idata[8],const void * __h)465 _mm_aesdecwide128kl_u8(__m128i __odata[8], const __m128i __idata[8], const void* __h) {
466   return __builtin_ia32_aesdecwide128kl_u8((__v2di *)__odata,
467                                            (const __v2di *)__idata, __h);
468 }
469 
470 /// Decrypt __idata[0] to __idata[7] using 256-bit AES key indicated by handle
471 /// at __h and store each resultant block back from __odata to __odata+7. And
472 /// return the affected ZF flag status.
473 ///
474 /// \headerfile <x86intrin.h>
475 ///
476 /// This intrinsic corresponds to the <c> AESDECWIDE256KL </c> instructions.
477 ///
478 /// \code{.operation}
479 /// Handle[511:0] := MEM[__h+511:__h]
480 /// IllegalHandle = ( HandleReservedBitSet (Handle[511:0]) ||
481 ///                   (Handle[127:0] AND (CPL > 0)) ||
482 ///                   Handle[255:128] ||
483 ///                   HandleKeyType (Handle) != HANDLE_KEY_TYPE_AES512 )
484 /// If (IllegalHandle)
485 ///   ZF := 1
486 ///   FOR i := 0 to 7
487 ///     __odata[i] := 0
488 ///   ENDFOR
489 /// ELSE
490 ///   (UnwrappedKey, Authentic) := UnwrapKeyAndAuthenticate512 (Handle[511:0], IWKey)
491 ///   IF Authentic == 0
492 ///     ZF := 1
493 ///     FOR i := 0 to 7
494 ///       __odata[i] := 0
495 ///     ENDFOR
496 ///   ELSE
497 ///     FOR i := 0 to 7
498 ///       __odata[i] := AES256Decrypt (__idata[i], UnwrappedKey)
499 ///     ENDFOR
500 ///     ZF := 0
501 ///   FI
502 /// FI
503 /// dst := ZF
504 /// OF := 0
505 /// SF := 0
506 /// AF := 0
507 /// PF := 0
508 /// CF := 0
509 /// \endcode
510 static __inline__ unsigned char __DEFAULT_FN_ATTRS
_mm_aesdecwide256kl_u8(__m128i __odata[8],const __m128i __idata[8],const void * __h)511 _mm_aesdecwide256kl_u8(__m128i __odata[8], const __m128i __idata[8], const void* __h) {
512   return __builtin_ia32_aesdecwide256kl_u8((__v2di *)__odata,
513                                            (const __v2di *)__idata, __h);
514 }
515 
516 #undef __DEFAULT_FN_ATTRS
517 
518 #endif /* _KEYLOCKERINTRIN_H */
519