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| 1 /* Copyright (c) 2005 Hewlett-Packard Development Company, L.P. | |
| 2 | |
| 3 Permission is hereby granted, free of charge, to any person obtaining | |
| 4 a copy of this software and associated documentation files (the | |
| 5 "Software"), to deal in the Software without restriction, including | |
| 6 without limitation the rights to use, copy, modify, merge, publish, | |
| 7 distribute, sublicense, and/or sell copies of the Software, and to | |
| 8 permit persons to whom the Software is furnished to do so, subject to | |
| 9 the following conditions: | |
| 10 | |
| 11 The above copyright notice and this permission notice shall be | |
| 12 included in all copies or substantial portions of the Software. | |
| 13 | |
| 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
| 15 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
| 16 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
| 17 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE | |
| 18 LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION | |
| 19 OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION | |
| 20 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ | |
| 21 | |
| 22 // Common registers are assigned as follows: | |
| 23 // | |
| 24 // COMMON | |
| 25 // | |
| 26 // t0 Const Tbl Ptr TPtr | |
| 27 // t1 Round Constant TRound | |
| 28 // t4 Block residual LenResid | |
| 29 // t5 Residual Data DTmp | |
| 30 // | |
| 31 // {in,out}0 Block 0 Cycle RotateM0 | |
| 32 // {in,out}1 Block Value 12 M12 | |
| 33 // {in,out}2 Block Value 8 M8 | |
| 34 // {in,out}3 Block Value 4 M4 | |
| 35 // {in,out}4 Block Value 0 M0 | |
| 36 // {in,out}5 Block 1 Cycle RotateM1 | |
| 37 // {in,out}6 Block Value 13 M13 | |
| 38 // {in,out}7 Block Value 9 M9 | |
| 39 // {in,out}8 Block Value 5 M5 | |
| 40 // {in,out}9 Block Value 1 M1 | |
| 41 // {in,out}10 Block 2 Cycle RotateM2 | |
| 42 // {in,out}11 Block Value 14 M14 | |
| 43 // {in,out}12 Block Value 10 M10 | |
| 44 // {in,out}13 Block Value 6 M6 | |
| 45 // {in,out}14 Block Value 2 M2 | |
| 46 // {in,out}15 Block 3 Cycle RotateM3 | |
| 47 // {in,out}16 Block Value 15 M15 | |
| 48 // {in,out}17 Block Value 11 M11 | |
| 49 // {in,out}18 Block Value 7 M7 | |
| 50 // {in,out}19 Block Value 3 M3 | |
| 51 // {in,out}20 Scratch Z | |
| 52 // {in,out}21 Scratch Y | |
| 53 // {in,out}22 Scratch X | |
| 54 // {in,out}23 Scratch W | |
| 55 // {in,out}24 Digest A A | |
| 56 // {in,out}25 Digest B B | |
| 57 // {in,out}26 Digest C C | |
| 58 // {in,out}27 Digest D D | |
| 59 // {in,out}28 Active Data Ptr DPtr | |
| 60 // in28 Dummy Value - | |
| 61 // out28 Dummy Value - | |
| 62 // bt0 Coroutine Link QUICK_RTN | |
| 63 // | |
| 64 /// These predicates are used for computing the padding block(s) and | |
| 65 /// are shared between the driver and digest co-routines | |
| 66 // | |
| 67 // pt0 Extra Pad Block pExtra | |
| 68 // pt1 Load next word pLoad | |
| 69 // pt2 Skip next word pSkip | |
| 70 // pt3 Search for Pad pNoPad | |
| 71 // pt4 Pad Word 0 pPad0 | |
| 72 // pt5 Pad Word 1 pPad1 | |
| 73 // pt6 Pad Word 2 pPad2 | |
| 74 // pt7 Pad Word 3 pPad3 | |
| 75 | |
| 76 #define DTmp r19 | |
| 77 #define LenResid r18 | |
| 78 #define QUICK_RTN b6 | |
| 79 #define TPtr r14 | |
| 80 #define TRound r15 | |
| 81 #define pExtra p6 | |
| 82 #define pLoad p7 | |
| 83 #define pNoPad p9 | |
| 84 #define pPad0 p10 | |
| 85 #define pPad1 p11 | |
| 86 #define pPad2 p12 | |
| 87 #define pPad3 p13 | |
| 88 #define pSkip p8 | |
| 89 | |
| 90 #define A_ out24 | |
| 91 #define B_ out25 | |
| 92 #define C_ out26 | |
| 93 #define D_ out27 | |
| 94 #define DPtr_ out28 | |
| 95 #define M0_ out4 | |
| 96 #define M1_ out9 | |
| 97 #define M10_ out12 | |
| 98 #define M11_ out17 | |
| 99 #define M12_ out1 | |
| 100 #define M13_ out6 | |
| 101 #define M14_ out11 | |
| 102 #define M15_ out16 | |
| 103 #define M2_ out14 | |
| 104 #define M3_ out19 | |
| 105 #define M4_ out3 | |
| 106 #define M5_ out8 | |
| 107 #define M6_ out13 | |
| 108 #define M7_ out18 | |
| 109 #define M8_ out2 | |
| 110 #define M9_ out7 | |
| 111 #define RotateM0_ out0 | |
| 112 #define RotateM1_ out5 | |
| 113 #define RotateM2_ out10 | |
| 114 #define RotateM3_ out15 | |
| 115 #define W_ out23 | |
| 116 #define X_ out22 | |
| 117 #define Y_ out21 | |
| 118 #define Z_ out20 | |
| 119 | |
| 120 #define A in24 | |
| 121 #define B in25 | |
| 122 #define C in26 | |
| 123 #define D in27 | |
| 124 #define DPtr in28 | |
| 125 #define M0 in4 | |
| 126 #define M1 in9 | |
| 127 #define M10 in12 | |
| 128 #define M11 in17 | |
| 129 #define M12 in1 | |
| 130 #define M13 in6 | |
| 131 #define M14 in11 | |
| 132 #define M15 in16 | |
| 133 #define M2 in14 | |
| 134 #define M3 in19 | |
| 135 #define M4 in3 | |
| 136 #define M5 in8 | |
| 137 #define M6 in13 | |
| 138 #define M7 in18 | |
| 139 #define M8 in2 | |
| 140 #define M9 in7 | |
| 141 #define RotateM0 in0 | |
| 142 #define RotateM1 in5 | |
| 143 #define RotateM2 in10 | |
| 144 #define RotateM3 in15 | |
| 145 #define W in23 | |
| 146 #define X in22 | |
| 147 #define Y in21 | |
| 148 #define Z in20 | |
| 149 | |
| 150 /* register stack configuration for md5_block_asm_data_order(): */ | |
| 151 #define MD5_NINP 3 | |
| 152 #define MD5_NLOC 0 | |
| 153 #define MD5_NOUT 29 | |
| 154 #define MD5_NROT 0 | |
| 155 | |
| 156 /* register stack configuration for helpers: */ | |
| 157 #define _NINPUTS MD5_NOUT | |
| 158 #define _NLOCALS 0 | |
| 159 #define _NOUTPUT 0 | |
| 160 #define _NROTATE 24 /* this must be <= _NINPUTS */ | |
| 161 | |
| 162 #if defined(_HPUX_SOURCE) && !defined(_LP64) | |
| 163 #define ADDP addp4 | |
| 164 #else | |
| 165 #define ADDP add | |
| 166 #endif | |
| 167 | |
| 168 #if defined(_HPUX_SOURCE) || defined(B_ENDIAN) | |
| 169 #define HOST_IS_BIG_ENDIAN | |
| 170 #endif | |
| 171 | |
| 172 // Macros for getting the left and right portions of little-endian words | |
| 173 | |
| 174 #define GETLW(dst, src, align) dep.z dst = src, 32 - 8 * align, 8 * align | |
| 175 #define GETRW(dst, src, align) extr.u dst = src, 8 * align, 32 - 8 * align | |
| 176 | |
| 177 // MD5 driver | |
| 178 // | |
| 179 // Reads an input block, then calls the digest block | |
| 180 // subroutine and adds the results to the accumulated | |
| 181 // digest. It allocates 32 outs which the subroutine | |
| 182 // uses as it's inputs and rotating | |
| 183 // registers. Initializes the round constant pointer and | |
| 184 // takes care of saving/restoring ar.lc | |
| 185 // | |
| 186 /// INPUT | |
| 187 // | |
| 188 // in0 Context Ptr CtxPtr0 | |
| 189 // in1 Input Data Ptr DPtrIn | |
| 190 // in2 Integral Blocks BlockCount | |
| 191 // rp Return Address - | |
| 192 // | |
| 193 /// CODE | |
| 194 // | |
| 195 // v2 Input Align InAlign | |
| 196 // t0 Shared w/digest - | |
| 197 // t1 Shared w/digest - | |
| 198 // t2 Shared w/digest - | |
| 199 // t3 Shared w/digest - | |
| 200 // t4 Shared w/digest - | |
| 201 // t5 Shared w/digest - | |
| 202 // t6 PFS Save PFSSave | |
| 203 // t7 ar.lc Save LCSave | |
| 204 // t8 Saved PR PRSave | |
| 205 // t9 2nd CtxPtr CtxPtr1 | |
| 206 // t10 Table Base CTable | |
| 207 // t11 Table[0] CTable0 | |
| 208 // t13 Accumulator A AccumA | |
| 209 // t14 Accumulator B AccumB | |
| 210 // t15 Accumulator C AccumC | |
| 211 // t16 Accumulator D AccumD | |
| 212 // pt0 Shared w/digest - | |
| 213 // pt1 Shared w/digest - | |
| 214 // pt2 Shared w/digest - | |
| 215 // pt3 Shared w/digest - | |
| 216 // pt4 Shared w/digest - | |
| 217 // pt5 Shared w/digest - | |
| 218 // pt6 Shared w/digest - | |
| 219 // pt7 Shared w/digest - | |
| 220 // pt8 Not Aligned pOff | |
| 221 // pt8 Blocks Left pAgain | |
| 222 | |
| 223 #define AccumA r27 | |
| 224 #define AccumB r28 | |
| 225 #define AccumC r29 | |
| 226 #define AccumD r30 | |
| 227 #define CTable r24 | |
| 228 #define CTable0 r25 | |
| 229 #define CtxPtr0 in0 | |
| 230 #define CtxPtr1 r23 | |
| 231 #define DPtrIn in1 | |
| 232 #define BlockCount in2 | |
| 233 #define InAlign r10 | |
| 234 #define LCSave r21 | |
| 235 #define PFSSave r20 | |
| 236 #define PRSave r22 | |
| 237 #define pAgain p63 | |
| 238 #define pOff p63 | |
| 239 | |
| 240 .text | |
| 241 | |
| 242 /* md5_block_asm_data_order(MD5_CTX *c, const void *data, size_t num) | |
| 243 | |
| 244 where: | |
| 245 c: a pointer to a structure of this type: | |
| 246 | |
| 247 typedef struct MD5state_st | |
| 248 { | |
| 249 MD5_LONG A,B,C,D; | |
| 250 MD5_LONG Nl,Nh; | |
| 251 MD5_LONG data[MD5_LBLOCK]; | |
| 252 unsigned int num; | |
| 253 } | |
| 254 MD5_CTX; | |
| 255 | |
| 256 data: a pointer to the input data (may be misaligned) | |
| 257 num: the number of 16-byte blocks to hash (i.e., the length | |
| 258 of DATA is 16*NUM. | |
| 259 | |
| 260 */ | |
| 261 | |
| 262 .type md5_block_asm_data_order, @function | |
| 263 .global md5_block_asm_data_order | |
| 264 .align 32 | |
| 265 .proc md5_block_asm_data_order | |
| 266 md5_block_asm_data_order: | |
| 267 .md5_block: | |
| 268 .prologue | |
| 269 { .mmi | |
| 270 .save ar.pfs, PFSSave | |
| 271 alloc PFSSave = ar.pfs, MD5_NINP, MD5_NLOC, MD5_NOUT, MD5_NROT | |
| 272 ADDP CtxPtr1 = 8, CtxPtr0 | |
| 273 mov CTable = ip | |
| 274 } | |
| 275 { .mmi | |
| 276 ADDP DPtrIn = 0, DPtrIn | |
| 277 ADDP CtxPtr0 = 0, CtxPtr0 | |
| 278 .save ar.lc, LCSave | |
| 279 mov LCSave = ar.lc | |
| 280 } | |
| 281 ;; | |
| 282 { .mmi | |
| 283 add CTable = .md5_tbl_data_order#-.md5_block#, CTable | |
| 284 and InAlign = 0x3, DPtrIn | |
| 285 } | |
| 286 | |
| 287 { .mmi | |
| 288 ld4 AccumA = [CtxPtr0], 4 | |
| 289 ld4 AccumC = [CtxPtr1], 4 | |
| 290 .save pr, PRSave | |
| 291 mov PRSave = pr | |
| 292 .body | |
| 293 } | |
| 294 ;; | |
| 295 { .mmi | |
| 296 ld4 AccumB = [CtxPtr0] | |
| 297 ld4 AccumD = [CtxPtr1] | |
| 298 dep DPtr_ = 0, DPtrIn, 0, 2 | |
| 299 } ;; | |
| 300 #ifdef HOST_IS_BIG_ENDIAN | |
| 301 rum psr.be;; // switch to little-endian | |
| 302 #endif | |
| 303 { .mmb | |
| 304 ld4 CTable0 = [CTable], 4 | |
| 305 cmp.ne pOff, p0 = 0, InAlign | |
| 306 (pOff) br.cond.spnt.many .md5_unaligned | |
| 307 } ;; | |
| 308 | |
| 309 // The FF load/compute loop rotates values three times, so that | |
| 310 // loading into M12 here produces the M0 value, M13 -> M1, etc. | |
| 311 | |
| 312 .md5_block_loop0: | |
| 313 { .mmi | |
| 314 ld4 M12_ = [DPtr_], 4 | |
| 315 mov TPtr = CTable | |
| 316 mov TRound = CTable0 | |
| 317 } ;; | |
| 318 { .mmi | |
| 319 ld4 M13_ = [DPtr_], 4 | |
| 320 mov A_ = AccumA | |
| 321 mov B_ = AccumB | |
| 322 } ;; | |
| 323 { .mmi | |
| 324 ld4 M14_ = [DPtr_], 4 | |
| 325 mov C_ = AccumC | |
| 326 mov D_ = AccumD | |
| 327 } ;; | |
| 328 { .mmb | |
| 329 ld4 M15_ = [DPtr_], 4 | |
| 330 add BlockCount = -1, BlockCount | |
| 331 br.call.sptk.many QUICK_RTN = md5_digest_block0 | |
| 332 } ;; | |
| 333 | |
| 334 // Now, we add the new digest values and do some clean-up | |
| 335 // before checking if there's another full block to process | |
| 336 | |
| 337 { .mmi | |
| 338 add AccumA = AccumA, A_ | |
| 339 add AccumB = AccumB, B_ | |
| 340 cmp.ne pAgain, p0 = 0, BlockCount | |
| 341 } | |
| 342 { .mib | |
| 343 add AccumC = AccumC, C_ | |
| 344 add AccumD = AccumD, D_ | |
| 345 (pAgain) br.cond.dptk.many .md5_block_loop0 | |
| 346 } ;; | |
| 347 | |
| 348 .md5_exit: | |
| 349 #ifdef HOST_IS_BIG_ENDIAN | |
| 350 sum psr.be;; // switch back to big-endian mode | |
| 351 #endif | |
| 352 { .mmi | |
| 353 st4 [CtxPtr0] = AccumB, -4 | |
| 354 st4 [CtxPtr1] = AccumD, -4 | |
| 355 mov pr = PRSave, 0x1ffff ;; | |
| 356 } | |
| 357 { .mmi | |
| 358 st4 [CtxPtr0] = AccumA | |
| 359 st4 [CtxPtr1] = AccumC | |
| 360 mov ar.lc = LCSave | |
| 361 } ;; | |
| 362 { .mib | |
| 363 mov ar.pfs = PFSSave | |
| 364 br.ret.sptk.few rp | |
| 365 } ;; | |
| 366 | |
| 367 #define MD5UNALIGNED(offset) \ | |
| 368 .md5_process##offset: \ | |
| 369 { .mib ; \ | |
| 370 nop 0x0 ; \ | |
| 371 GETRW(DTmp, DTmp, offset) ; \ | |
| 372 } ;; \ | |
| 373 .md5_block_loop##offset: \ | |
| 374 { .mmi ; \ | |
| 375 ld4 Y_ = [DPtr_], 4 ; \ | |
| 376 mov TPtr = CTable ; \ | |
| 377 mov TRound = CTable0 ; \ | |
| 378 } ;; \ | |
| 379 { .mmi ; \ | |
| 380 ld4 M13_ = [DPtr_], 4 ; \ | |
| 381 mov A_ = AccumA ; \ | |
| 382 mov B_ = AccumB ; \ | |
| 383 } ;; \ | |
| 384 { .mii ; \ | |
| 385 ld4 M14_ = [DPtr_], 4 ; \ | |
| 386 GETLW(W_, Y_, offset) ; \ | |
| 387 mov C_ = AccumC ; \ | |
| 388 } \ | |
| 389 { .mmi ; \ | |
| 390 mov D_ = AccumD ;; \ | |
| 391 or M12_ = W_, DTmp ; \ | |
| 392 GETRW(DTmp, Y_, offset) ; \ | |
| 393 } \ | |
| 394 { .mib ; \ | |
| 395 ld4 M15_ = [DPtr_], 4 ; \ | |
| 396 add BlockCount = -1, BlockCount ; \ | |
| 397 br.call.sptk.many QUICK_RTN = md5_digest_block##offset; \ | |
| 398 } ;; \ | |
| 399 { .mmi ; \ | |
| 400 add AccumA = AccumA, A_ ; \ | |
| 401 add AccumB = AccumB, B_ ; \ | |
| 402 cmp.ne pAgain, p0 = 0, BlockCount ; \ | |
| 403 } \ | |
| 404 { .mib ; \ | |
| 405 add AccumC = AccumC, C_ ; \ | |
| 406 add AccumD = AccumD, D_ ; \ | |
| 407 (pAgain) br.cond.dptk.many .md5_block_loop##offset ; \ | |
| 408 } ;; \ | |
| 409 { .mib ; \ | |
| 410 nop 0x0 ; \ | |
| 411 nop 0x0 ; \ | |
| 412 br.cond.sptk.many .md5_exit ; \ | |
| 413 } ;; | |
| 414 | |
| 415 .align 32 | |
| 416 .md5_unaligned: | |
| 417 // | |
| 418 // Because variable shifts are expensive, we special case each of | |
| 419 // the four alignements. In practice, this won't hurt too much | |
| 420 // since only one working set of code will be loaded. | |
| 421 // | |
| 422 { .mib | |
| 423 ld4 DTmp = [DPtr_], 4 | |
| 424 cmp.eq pOff, p0 = 1, InAlign | |
| 425 (pOff) br.cond.dpnt.many .md5_process1 | |
| 426 } ;; | |
| 427 { .mib | |
| 428 cmp.eq pOff, p0 = 2, InAlign | |
| 429 nop 0x0 | |
| 430 (pOff) br.cond.dpnt.many .md5_process2 | |
| 431 } ;; | |
| 432 MD5UNALIGNED(3) | |
| 433 MD5UNALIGNED(1) | |
| 434 MD5UNALIGNED(2) | |
| 435 | |
| 436 .endp md5_block_asm_data_order | |
| 437 | |
| 438 | |
| 439 // MD5 Perform the F function and load | |
| 440 // | |
| 441 // Passed the first 4 words (M0 - M3) and initial (A, B, C, D) values, | |
| 442 // computes the FF() round of functions, then branches to the common | |
| 443 // digest code to finish up with GG(), HH, and II(). | |
| 444 // | |
| 445 // INPUT | |
| 446 // | |
| 447 // rp Return Address - | |
| 448 // | |
| 449 // CODE | |
| 450 // | |
| 451 // v0 PFS bit bucket PFS | |
| 452 // v1 Loop Trip Count LTrip | |
| 453 // pt0 Load next word pMore | |
| 454 | |
| 455 /* For F round: */ | |
| 456 #define LTrip r9 | |
| 457 #define PFS r8 | |
| 458 #define pMore p6 | |
| 459 | |
| 460 /* For GHI rounds: */ | |
| 461 #define T r9 | |
| 462 #define U r10 | |
| 463 #define V r11 | |
| 464 | |
| 465 #define COMPUTE(a, b, s, M, R) \ | |
| 466 { \ | |
| 467 .mii ; \ | |
| 468 ld4 TRound = [TPtr], 4 ; \ | |
| 469 dep.z Y = Z, 32, 32 ;; \ | |
| 470 shrp Z = Z, Y, 64 - s ; \ | |
| 471 } ;; \ | |
| 472 { \ | |
| 473 .mmi ; \ | |
| 474 add a = Z, b ; \ | |
| 475 mov R = M ; \ | |
| 476 nop 0x0 ; \ | |
| 477 } ;; | |
| 478 | |
| 479 #define LOOP(a, b, s, M, R, label) \ | |
| 480 { .mii ; \ | |
| 481 ld4 TRound = [TPtr], 4 ; \ | |
| 482 dep.z Y = Z, 32, 32 ;; \ | |
| 483 shrp Z = Z, Y, 64 - s ; \ | |
| 484 } ;; \ | |
| 485 { .mib ; \ | |
| 486 add a = Z, b ; \ | |
| 487 mov R = M ; \ | |
| 488 br.ctop.sptk.many label ; \ | |
| 489 } ;; | |
| 490 | |
| 491 // G(B, C, D) = (B & D) | (C & ~D) | |
| 492 | |
| 493 #define G(a, b, c, d, M) \ | |
| 494 { .mmi ; \ | |
| 495 add Z = M, TRound ; \ | |
| 496 and Y = b, d ; \ | |
| 497 andcm X = c, d ; \ | |
| 498 } ;; \ | |
| 499 { .mii ; \ | |
| 500 add Z = Z, a ; \ | |
| 501 or Y = Y, X ;; \ | |
| 502 add Z = Z, Y ; \ | |
| 503 } ;; | |
| 504 | |
| 505 // H(B, C, D) = B ^ C ^ D | |
| 506 | |
| 507 #define H(a, b, c, d, M) \ | |
| 508 { .mmi ; \ | |
| 509 add Z = M, TRound ; \ | |
| 510 xor Y = b, c ; \ | |
| 511 nop 0x0 ; \ | |
| 512 } ;; \ | |
| 513 { .mii ; \ | |
| 514 add Z = Z, a ; \ | |
| 515 xor Y = Y, d ;; \ | |
| 516 add Z = Z, Y ; \ | |
| 517 } ;; | |
| 518 | |
| 519 // I(B, C, D) = C ^ (B | ~D) | |
| 520 // | |
| 521 // However, since we have an andcm operator, we use the fact that | |
| 522 // | |
| 523 // Y ^ Z == ~Y ^ ~Z | |
| 524 // | |
| 525 // to rewrite the expression as | |
| 526 // | |
| 527 // I(B, C, D) = ~C ^ (~B & D) | |
| 528 | |
| 529 #define I(a, b, c, d, M) \ | |
| 530 { .mmi ; \ | |
| 531 add Z = M, TRound ; \ | |
| 532 andcm Y = d, b ; \ | |
| 533 andcm X = -1, c ; \ | |
| 534 } ;; \ | |
| 535 { .mii ; \ | |
| 536 add Z = Z, a ; \ | |
| 537 xor Y = Y, X ;; \ | |
| 538 add Z = Z, Y ; \ | |
| 539 } ;; | |
| 540 | |
| 541 #define GG4(label) \ | |
| 542 G(A, B, C, D, M0) \ | |
| 543 COMPUTE(A, B, 5, M0, RotateM0) \ | |
| 544 G(D, A, B, C, M1) \ | |
| 545 COMPUTE(D, A, 9, M1, RotateM1) \ | |
| 546 G(C, D, A, B, M2) \ | |
| 547 COMPUTE(C, D, 14, M2, RotateM2) \ | |
| 548 G(B, C, D, A, M3) \ | |
| 549 LOOP(B, C, 20, M3, RotateM3, label) | |
| 550 | |
| 551 #define HH4(label) \ | |
| 552 H(A, B, C, D, M0) \ | |
| 553 COMPUTE(A, B, 4, M0, RotateM0) \ | |
| 554 H(D, A, B, C, M1) \ | |
| 555 COMPUTE(D, A, 11, M1, RotateM1) \ | |
| 556 H(C, D, A, B, M2) \ | |
| 557 COMPUTE(C, D, 16, M2, RotateM2) \ | |
| 558 H(B, C, D, A, M3) \ | |
| 559 LOOP(B, C, 23, M3, RotateM3, label) | |
| 560 | |
| 561 #define II4(label) \ | |
| 562 I(A, B, C, D, M0) \ | |
| 563 COMPUTE(A, B, 6, M0, RotateM0) \ | |
| 564 I(D, A, B, C, M1) \ | |
| 565 COMPUTE(D, A, 10, M1, RotateM1) \ | |
| 566 I(C, D, A, B, M2) \ | |
| 567 COMPUTE(C, D, 15, M2, RotateM2) \ | |
| 568 I(B, C, D, A, M3) \ | |
| 569 LOOP(B, C, 21, M3, RotateM3, label) | |
| 570 | |
| 571 #define FFLOAD(a, b, c, d, M, N, s) \ | |
| 572 { .mii ; \ | |
| 573 (pMore) ld4 N = [DPtr], 4 ; \ | |
| 574 add Z = M, TRound ; \ | |
| 575 and Y = c, b ; \ | |
| 576 } \ | |
| 577 { .mmi ; \ | |
| 578 andcm X = d, b ;; \ | |
| 579 add Z = Z, a ; \ | |
| 580 or Y = Y, X ; \ | |
| 581 } ;; \ | |
| 582 { .mii ; \ | |
| 583 ld4 TRound = [TPtr], 4 ; \ | |
| 584 add Z = Z, Y ;; \ | |
| 585 dep.z Y = Z, 32, 32 ; \ | |
| 586 } ;; \ | |
| 587 { .mii ; \ | |
| 588 nop 0x0 ; \ | |
| 589 shrp Z = Z, Y, 64 - s ;; \ | |
| 590 add a = Z, b ; \ | |
| 591 } ;; | |
| 592 | |
| 593 #define FFLOOP(a, b, c, d, M, N, s, dest) \ | |
| 594 { .mii ; \ | |
| 595 (pMore) ld4 N = [DPtr], 4 ; \ | |
| 596 add Z = M, TRound ; \ | |
| 597 and Y = c, b ; \ | |
| 598 } \ | |
| 599 { .mmi ; \ | |
| 600 andcm X = d, b ;; \ | |
| 601 add Z = Z, a ; \ | |
| 602 or Y = Y, X ; \ | |
| 603 } ;; \ | |
| 604 { .mii ; \ | |
| 605 ld4 TRound = [TPtr], 4 ; \ | |
| 606 add Z = Z, Y ;; \ | |
| 607 dep.z Y = Z, 32, 32 ; \ | |
| 608 } ;; \ | |
| 609 { .mii ; \ | |
| 610 nop 0x0 ; \ | |
| 611 shrp Z = Z, Y, 64 - s ;; \ | |
| 612 add a = Z, b ; \ | |
| 613 } \ | |
| 614 { .mib ; \ | |
| 615 cmp.ne pMore, p0 = 0, LTrip ; \ | |
| 616 add LTrip = -1, LTrip ; \ | |
| 617 br.ctop.dptk.many dest ; \ | |
| 618 } ;; | |
| 619 | |
| 620 .type md5_digest_block0, @function | |
| 621 .align 32 | |
| 622 | |
| 623 .proc md5_digest_block0 | |
| 624 .prologue | |
| 625 md5_digest_block0: | |
| 626 .altrp QUICK_RTN | |
| 627 .body | |
| 628 { .mmi | |
| 629 alloc PFS = ar.pfs, _NINPUTS, _NLOCALS, _NOUTPUT, _NROTATE | |
| 630 mov LTrip = 2 | |
| 631 mov ar.lc = 3 | |
| 632 } ;; | |
| 633 { .mii | |
| 634 cmp.eq pMore, p0 = r0, r0 | |
| 635 mov ar.ec = 0 | |
| 636 nop 0x0 | |
| 637 } ;; | |
| 638 | |
| 639 .md5_FF_round0: | |
| 640 FFLOAD(A, B, C, D, M12, RotateM0, 7) | |
| 641 FFLOAD(D, A, B, C, M13, RotateM1, 12) | |
| 642 FFLOAD(C, D, A, B, M14, RotateM2, 17) | |
| 643 FFLOOP(B, C, D, A, M15, RotateM3, 22, .md5_FF_round0) | |
| 644 // | |
| 645 // !!! Fall through to md5_digest_GHI | |
| 646 // | |
| 647 .endp md5_digest_block0 | |
| 648 | |
| 649 .type md5_digest_GHI, @function | |
| 650 .align 32 | |
| 651 | |
| 652 .proc md5_digest_GHI | |
| 653 .prologue | |
| 654 .regstk _NINPUTS, _NLOCALS, _NOUTPUT, _NROTATE | |
| 655 md5_digest_GHI: | |
| 656 .altrp QUICK_RTN | |
| 657 .body | |
| 658 // | |
| 659 // The following sequence shuffles the block counstants round for the | |
| 660 // next round: | |
| 661 // | |
| 662 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | |
| 663 // 1 6 11 0 5 10 14 4 9 14 3 8 13 2 7 12 | |
| 664 // | |
| 665 { .mmi | |
| 666 mov Z = M0 | |
| 667 mov Y = M15 | |
| 668 mov ar.lc = 3 | |
| 669 } | |
| 670 { .mmi | |
| 671 mov X = M2 | |
| 672 mov W = M9 | |
| 673 mov V = M4 | |
| 674 } ;; | |
| 675 | |
| 676 { .mmi | |
| 677 mov M0 = M1 | |
| 678 mov M15 = M12 | |
| 679 mov ar.ec = 1 | |
| 680 } | |
| 681 { .mmi | |
| 682 mov M2 = M11 | |
| 683 mov M9 = M14 | |
| 684 mov M4 = M5 | |
| 685 } ;; | |
| 686 | |
| 687 { .mmi | |
| 688 mov M1 = M6 | |
| 689 mov M12 = M13 | |
| 690 mov U = M3 | |
| 691 } | |
| 692 { .mmi | |
| 693 mov M11 = M8 | |
| 694 mov M14 = M7 | |
| 695 mov M5 = M10 | |
| 696 } ;; | |
| 697 | |
| 698 { .mmi | |
| 699 mov M6 = Y | |
| 700 mov M13 = X | |
| 701 mov M3 = Z | |
| 702 } | |
| 703 { .mmi | |
| 704 mov M8 = W | |
| 705 mov M7 = V | |
| 706 mov M10 = U | |
| 707 } ;; | |
| 708 | |
| 709 .md5_GG_round: | |
| 710 GG4(.md5_GG_round) | |
| 711 | |
| 712 // The following sequence shuffles the block constants round for the | |
| 713 // next round: | |
| 714 // | |
| 715 // 1 6 11 0 5 10 14 4 9 14 3 8 13 2 7 12 | |
| 716 // 5 8 11 14 1 4 7 10 13 0 3 6 9 12 15 2 | |
| 717 | |
| 718 { .mmi | |
| 719 mov Z = M0 | |
| 720 mov Y = M1 | |
| 721 mov ar.lc = 3 | |
| 722 } | |
| 723 { .mmi | |
| 724 mov X = M3 | |
| 725 mov W = M5 | |
| 726 mov V = M6 | |
| 727 } ;; | |
| 728 | |
| 729 { .mmi | |
| 730 mov M0 = M4 | |
| 731 mov M1 = M11 | |
| 732 mov ar.ec = 1 | |
| 733 } | |
| 734 { .mmi | |
| 735 mov M3 = M9 | |
| 736 mov U = M8 | |
| 737 mov T = M13 | |
| 738 } ;; | |
| 739 | |
| 740 { .mmi | |
| 741 mov M4 = Z | |
| 742 mov M11 = Y | |
| 743 mov M5 = M7 | |
| 744 } | |
| 745 { .mmi | |
| 746 mov M6 = M14 | |
| 747 mov M8 = M12 | |
| 748 mov M13 = M15 | |
| 749 } ;; | |
| 750 | |
| 751 { .mmi | |
| 752 mov M7 = W | |
| 753 mov M14 = V | |
| 754 nop 0x0 | |
| 755 } | |
| 756 { .mmi | |
| 757 mov M9 = X | |
| 758 mov M12 = U | |
| 759 mov M15 = T | |
| 760 } ;; | |
| 761 | |
| 762 .md5_HH_round: | |
| 763 HH4(.md5_HH_round) | |
| 764 | |
| 765 // The following sequence shuffles the block constants round for the | |
| 766 // next round: | |
| 767 // | |
| 768 // 5 8 11 14 1 4 7 10 13 0 3 6 9 12 15 2 | |
| 769 // 0 7 14 5 12 3 10 1 8 15 6 13 4 11 2 9 | |
| 770 | |
| 771 { .mmi | |
| 772 mov Z = M0 | |
| 773 mov Y = M15 | |
| 774 mov ar.lc = 3 | |
| 775 } | |
| 776 { .mmi | |
| 777 mov X = M10 | |
| 778 mov W = M1 | |
| 779 mov V = M4 | |
| 780 } ;; | |
| 781 | |
| 782 { .mmi | |
| 783 mov M0 = M9 | |
| 784 mov M15 = M12 | |
| 785 mov ar.ec = 1 | |
| 786 } | |
| 787 { .mmi | |
| 788 mov M10 = M11 | |
| 789 mov M1 = M6 | |
| 790 mov M4 = M13 | |
| 791 } ;; | |
| 792 | |
| 793 { .mmi | |
| 794 mov M9 = M14 | |
| 795 mov M12 = M5 | |
| 796 mov U = M3 | |
| 797 } | |
| 798 { .mmi | |
| 799 mov M11 = M8 | |
| 800 mov M6 = M7 | |
| 801 mov M13 = M2 | |
| 802 } ;; | |
| 803 | |
| 804 { .mmi | |
| 805 mov M14 = Y | |
| 806 mov M5 = X | |
| 807 mov M3 = Z | |
| 808 } | |
| 809 { .mmi | |
| 810 mov M8 = W | |
| 811 mov M7 = V | |
| 812 mov M2 = U | |
| 813 } ;; | |
| 814 | |
| 815 .md5_II_round: | |
| 816 II4(.md5_II_round) | |
| 817 | |
| 818 { .mib | |
| 819 nop 0x0 | |
| 820 nop 0x0 | |
| 821 br.ret.sptk.many QUICK_RTN | |
| 822 } ;; | |
| 823 | |
| 824 .endp md5_digest_GHI | |
| 825 | |
| 826 #define FFLOADU(a, b, c, d, M, P, N, s, offset) \ | |
| 827 { .mii ; \ | |
| 828 (pMore) ld4 N = [DPtr], 4 ; \ | |
| 829 add Z = M, TRound ; \ | |
| 830 and Y = c, b ; \ | |
| 831 } \ | |
| 832 { .mmi ; \ | |
| 833 andcm X = d, b ;; \ | |
| 834 add Z = Z, a ; \ | |
| 835 or Y = Y, X ; \ | |
| 836 } ;; \ | |
| 837 { .mii ; \ | |
| 838 ld4 TRound = [TPtr], 4 ; \ | |
| 839 GETLW(W, P, offset) ; \ | |
| 840 add Z = Z, Y ; \ | |
| 841 } ;; \ | |
| 842 { .mii ; \ | |
| 843 or W = W, DTmp ; \ | |
| 844 dep.z Y = Z, 32, 32 ;; \ | |
| 845 shrp Z = Z, Y, 64 - s ; \ | |
| 846 } ;; \ | |
| 847 { .mii ; \ | |
| 848 add a = Z, b ; \ | |
| 849 GETRW(DTmp, P, offset) ; \ | |
| 850 mov P = W ; \ | |
| 851 } ;; | |
| 852 | |
| 853 #define FFLOOPU(a, b, c, d, M, P, N, s, offset) \ | |
| 854 { .mii ; \ | |
| 855 (pMore) ld4 N = [DPtr], 4 ; \ | |
| 856 add Z = M, TRound ; \ | |
| 857 and Y = c, b ; \ | |
| 858 } \ | |
| 859 { .mmi ; \ | |
| 860 andcm X = d, b ;; \ | |
| 861 add Z = Z, a ; \ | |
| 862 or Y = Y, X ; \ | |
| 863 } ;; \ | |
| 864 { .mii ; \ | |
| 865 ld4 TRound = [TPtr], 4 ; \ | |
| 866 (pMore) GETLW(W, P, offset) ; \ | |
| 867 add Z = Z, Y ; \ | |
| 868 } ;; \ | |
| 869 { .mii ; \ | |
| 870 (pMore) or W = W, DTmp ; \ | |
| 871 dep.z Y = Z, 32, 32 ;; \ | |
| 872 shrp Z = Z, Y, 64 - s ; \ | |
| 873 } ;; \ | |
| 874 { .mii ; \ | |
| 875 add a = Z, b ; \ | |
| 876 (pMore) GETRW(DTmp, P, offset) ; \ | |
| 877 (pMore) mov P = W ; \ | |
| 878 } \ | |
| 879 { .mib ; \ | |
| 880 cmp.ne pMore, p0 = 0, LTrip ; \ | |
| 881 add LTrip = -1, LTrip ; \ | |
| 882 br.ctop.sptk.many .md5_FF_round##offset ; \ | |
| 883 } ;; | |
| 884 | |
| 885 #define MD5FBLOCK(offset) \ | |
| 886 .type md5_digest_block##offset, @function ; \ | |
| 887 \ | |
| 888 .align 32 ; \ | |
| 889 .proc md5_digest_block##offset ; \ | |
| 890 .prologue ; \ | |
| 891 .altrp QUICK_RTN ; \ | |
| 892 .body ; \ | |
| 893 md5_digest_block##offset: \ | |
| 894 { .mmi ; \ | |
| 895 alloc PFS = ar.pfs, _NINPUTS, _NLOCALS, _NOUTPUT, _NROTATE ; \ | |
| 896 mov LTrip = 2 ; \ | |
| 897 mov ar.lc = 3 ; \ | |
| 898 } ;; \ | |
| 899 { .mii ; \ | |
| 900 cmp.eq pMore, p0 = r0, r0 ; \ | |
| 901 mov ar.ec = 0 ; \ | |
| 902 nop 0x0 ; \ | |
| 903 } ;; \ | |
| 904 \ | |
| 905 .pred.rel "mutex", pLoad, pSkip ; \ | |
| 906 .md5_FF_round##offset: \ | |
| 907 FFLOADU(A, B, C, D, M12, M13, RotateM0, 7, offset) \ | |
| 908 FFLOADU(D, A, B, C, M13, M14, RotateM1, 12, offset) \ | |
| 909 FFLOADU(C, D, A, B, M14, M15, RotateM2, 17, offset) \ | |
| 910 FFLOOPU(B, C, D, A, M15, RotateM0, RotateM3, 22, offset) \ | |
| 911 \ | |
| 912 { .mib ; \ | |
| 913 nop 0x0 ; \ | |
| 914 nop 0x0 ; \ | |
| 915 br.cond.sptk.many md5_digest_GHI ; \ | |
| 916 } ;; \ | |
| 917 .endp md5_digest_block##offset | |
| 918 | |
| 919 MD5FBLOCK(1) | |
| 920 MD5FBLOCK(2) | |
| 921 MD5FBLOCK(3) | |
| 922 | |
| 923 .align 64 | |
| 924 .type md5_constants, @object | |
| 925 md5_constants: | |
| 926 .md5_tbl_data_order: // To ensure little-endian data | |
| 927 // order, code as bytes. | |
| 928 data1 0x78, 0xa4, 0x6a, 0xd7 // 0 | |
| 929 data1 0x56, 0xb7, 0xc7, 0xe8 // 1 | |
| 930 data1 0xdb, 0x70, 0x20, 0x24 // 2 | |
| 931 data1 0xee, 0xce, 0xbd, 0xc1 // 3 | |
| 932 data1 0xaf, 0x0f, 0x7c, 0xf5 // 4 | |
| 933 data1 0x2a, 0xc6, 0x87, 0x47 // 5 | |
| 934 data1 0x13, 0x46, 0x30, 0xa8 // 6 | |
| 935 data1 0x01, 0x95, 0x46, 0xfd // 7 | |
| 936 data1 0xd8, 0x98, 0x80, 0x69 // 8 | |
| 937 data1 0xaf, 0xf7, 0x44, 0x8b // 9 | |
| 938 data1 0xb1, 0x5b, 0xff, 0xff // 10 | |
| 939 data1 0xbe, 0xd7, 0x5c, 0x89 // 11 | |
| 940 data1 0x22, 0x11, 0x90, 0x6b // 12 | |
| 941 data1 0x93, 0x71, 0x98, 0xfd // 13 | |
| 942 data1 0x8e, 0x43, 0x79, 0xa6 // 14 | |
| 943 data1 0x21, 0x08, 0xb4, 0x49 // 15 | |
| 944 data1 0x62, 0x25, 0x1e, 0xf6 // 16 | |
| 945 data1 0x40, 0xb3, 0x40, 0xc0 // 17 | |
| 946 data1 0x51, 0x5a, 0x5e, 0x26 // 18 | |
| 947 data1 0xaa, 0xc7, 0xb6, 0xe9 // 19 | |
| 948 data1 0x5d, 0x10, 0x2f, 0xd6 // 20 | |
| 949 data1 0x53, 0x14, 0x44, 0x02 // 21 | |
| 950 data1 0x81, 0xe6, 0xa1, 0xd8 // 22 | |
| 951 data1 0xc8, 0xfb, 0xd3, 0xe7 // 23 | |
| 952 data1 0xe6, 0xcd, 0xe1, 0x21 // 24 | |
| 953 data1 0xd6, 0x07, 0x37, 0xc3 // 25 | |
| 954 data1 0x87, 0x0d, 0xd5, 0xf4 // 26 | |
| 955 data1 0xed, 0x14, 0x5a, 0x45 // 27 | |
| 956 data1 0x05, 0xe9, 0xe3, 0xa9 // 28 | |
| 957 data1 0xf8, 0xa3, 0xef, 0xfc // 29 | |
| 958 data1 0xd9, 0x02, 0x6f, 0x67 // 30 | |
| 959 data1 0x8a, 0x4c, 0x2a, 0x8d // 31 | |
| 960 data1 0x42, 0x39, 0xfa, 0xff // 32 | |
| 961 data1 0x81, 0xf6, 0x71, 0x87 // 33 | |
| 962 data1 0x22, 0x61, 0x9d, 0x6d // 34 | |
| 963 data1 0x0c, 0x38, 0xe5, 0xfd // 35 | |
| 964 data1 0x44, 0xea, 0xbe, 0xa4 // 36 | |
| 965 data1 0xa9, 0xcf, 0xde, 0x4b // 37 | |
| 966 data1 0x60, 0x4b, 0xbb, 0xf6 // 38 | |
| 967 data1 0x70, 0xbc, 0xbf, 0xbe // 39 | |
| 968 data1 0xc6, 0x7e, 0x9b, 0x28 // 40 | |
| 969 data1 0xfa, 0x27, 0xa1, 0xea // 41 | |
| 970 data1 0x85, 0x30, 0xef, 0xd4 // 42 | |
| 971 data1 0x05, 0x1d, 0x88, 0x04 // 43 | |
| 972 data1 0x39, 0xd0, 0xd4, 0xd9 // 44 | |
| 973 data1 0xe5, 0x99, 0xdb, 0xe6 // 45 | |
| 974 data1 0xf8, 0x7c, 0xa2, 0x1f // 46 | |
| 975 data1 0x65, 0x56, 0xac, 0xc4 // 47 | |
| 976 data1 0x44, 0x22, 0x29, 0xf4 // 48 | |
| 977 data1 0x97, 0xff, 0x2a, 0x43 // 49 | |
| 978 data1 0xa7, 0x23, 0x94, 0xab // 50 | |
| 979 data1 0x39, 0xa0, 0x93, 0xfc // 51 | |
| 980 data1 0xc3, 0x59, 0x5b, 0x65 // 52 | |
| 981 data1 0x92, 0xcc, 0x0c, 0x8f // 53 | |
| 982 data1 0x7d, 0xf4, 0xef, 0xff // 54 | |
| 983 data1 0xd1, 0x5d, 0x84, 0x85 // 55 | |
| 984 data1 0x4f, 0x7e, 0xa8, 0x6f // 56 | |
| 985 data1 0xe0, 0xe6, 0x2c, 0xfe // 57 | |
| 986 data1 0x14, 0x43, 0x01, 0xa3 // 58 | |
| 987 data1 0xa1, 0x11, 0x08, 0x4e // 59 | |
| 988 data1 0x82, 0x7e, 0x53, 0xf7 // 60 | |
| 989 data1 0x35, 0xf2, 0x3a, 0xbd // 61 | |
| 990 data1 0xbb, 0xd2, 0xd7, 0x2a // 62 | |
| 991 data1 0x91, 0xd3, 0x86, 0xeb // 63 | |
| 992 .size md5_constants#,64*4 | |
| OLD | NEW |
|---|
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