1 /** 2 * \file bn_mul.h 3 * 4 * \brief Multi-precision integer library 5 * 6 * Copyright (C) 2006-2015, ARM Limited, All Rights Reserved 7 * SPDX-License-Identifier: Apache-2.0 8 * 9 * Licensed under the Apache License, Version 2.0 (the "License"); you may 10 * not use this file except in compliance with the License. 11 * You may obtain a copy of the License at 12 * 13 * http://www.apache.org/licenses/LICENSE-2.0 14 * 15 * Unless required by applicable law or agreed to in writing, software 16 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 17 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 18 * See the License for the specific language governing permissions and 19 * limitations under the License. 20 * 21 * This file is part of mbed TLS (https://tls.mbed.org) 22 */ 23 /* 24 * Multiply source vector [s] with b, add result 25 * to destination vector [d] and set carry c. 26 * 27 * Currently supports: 28 * 29 * . IA-32 (386+) . AMD64 / EM64T 30 * . IA-32 (SSE2) . Motorola 68000 31 * . PowerPC, 32-bit . MicroBlaze 32 * . PowerPC, 64-bit . TriCore 33 * . SPARC v8 . ARM v3+ 34 * . Alpha . MIPS32 35 * . C, longlong . C, generic 36 */ 37 #ifndef MBEDTLS_BN_MUL_H 38 #define MBEDTLS_BN_MUL_H 39 40 #include "bignum.h" 41 42 #if defined(MBEDTLS_HAVE_ASM) 43 44 #ifndef asm 45 #define asm __asm 46 #endif 47 48 /* armcc5 --gnu defines __GNUC__ but doesn't support GNU's extended asm */ 49 #if defined(__GNUC__) && \ 50 ( !defined(__ARMCC_VERSION) || __ARMCC_VERSION >= 6000000 ) 51 #if defined(__i386__) 52 53 #define MULADDC_INIT \ 54 asm( \ 55 "movl %%ebx, %0 \n\t" \ 56 "movl %5, %%esi \n\t" \ 57 "movl %6, %%edi \n\t" \ 58 "movl %7, %%ecx \n\t" \ 59 "movl %8, %%ebx \n\t" 60 61 #define MULADDC_CORE \ 62 "lodsl \n\t" \ 63 "mull %%ebx \n\t" \ 64 "addl %%ecx, %%eax \n\t" \ 65 "adcl $0, %%edx \n\t" \ 66 "addl (%%edi), %%eax \n\t" \ 67 "adcl $0, %%edx \n\t" \ 68 "movl %%edx, %%ecx \n\t" \ 69 "stosl \n\t" 70 71 #if defined(MBEDTLS_HAVE_SSE2) 72 73 #define MULADDC_HUIT \ 74 "movd %%ecx, %%mm1 \n\t" \ 75 "movd %%ebx, %%mm0 \n\t" \ 76 "movd (%%edi), %%mm3 \n\t" \ 77 "paddq %%mm3, %%mm1 \n\t" \ 78 "movd (%%esi), %%mm2 \n\t" \ 79 "pmuludq %%mm0, %%mm2 \n\t" \ 80 "movd 4(%%esi), %%mm4 \n\t" \ 81 "pmuludq %%mm0, %%mm4 \n\t" \ 82 "movd 8(%%esi), %%mm6 \n\t" \ 83 "pmuludq %%mm0, %%mm6 \n\t" \ 84 "movd 12(%%esi), %%mm7 \n\t" \ 85 "pmuludq %%mm0, %%mm7 \n\t" \ 86 "paddq %%mm2, %%mm1 \n\t" \ 87 "movd 4(%%edi), %%mm3 \n\t" \ 88 "paddq %%mm4, %%mm3 \n\t" \ 89 "movd 8(%%edi), %%mm5 \n\t" \ 90 "paddq %%mm6, %%mm5 \n\t" \ 91 "movd 12(%%edi), %%mm4 \n\t" \ 92 "paddq %%mm4, %%mm7 \n\t" \ 93 "movd %%mm1, (%%edi) \n\t" \ 94 "movd 16(%%esi), %%mm2 \n\t" \ 95 "pmuludq %%mm0, %%mm2 \n\t" \ 96 "psrlq $32, %%mm1 \n\t" \ 97 "movd 20(%%esi), %%mm4 \n\t" \ 98 "pmuludq %%mm0, %%mm4 \n\t" \ 99 "paddq %%mm3, %%mm1 \n\t" \ 100 "movd 24(%%esi), %%mm6 \n\t" \ 101 "pmuludq %%mm0, %%mm6 \n\t" \ 102 "movd %%mm1, 4(%%edi) \n\t" \ 103 "psrlq $32, %%mm1 \n\t" \ 104 "movd 28(%%esi), %%mm3 \n\t" \ 105 "pmuludq %%mm0, %%mm3 \n\t" \ 106 "paddq %%mm5, %%mm1 \n\t" \ 107 "movd 16(%%edi), %%mm5 \n\t" \ 108 "paddq %%mm5, %%mm2 \n\t" \ 109 "movd %%mm1, 8(%%edi) \n\t" \ 110 "psrlq $32, %%mm1 \n\t" \ 111 "paddq %%mm7, %%mm1 \n\t" \ 112 "movd 20(%%edi), %%mm5 \n\t" \ 113 "paddq %%mm5, %%mm4 \n\t" \ 114 "movd %%mm1, 12(%%edi) \n\t" \ 115 "psrlq $32, %%mm1 \n\t" \ 116 "paddq %%mm2, %%mm1 \n\t" \ 117 "movd 24(%%edi), %%mm5 \n\t" \ 118 "paddq %%mm5, %%mm6 \n\t" \ 119 "movd %%mm1, 16(%%edi) \n\t" \ 120 "psrlq $32, %%mm1 \n\t" \ 121 "paddq %%mm4, %%mm1 \n\t" \ 122 "movd 28(%%edi), %%mm5 \n\t" \ 123 "paddq %%mm5, %%mm3 \n\t" \ 124 "movd %%mm1, 20(%%edi) \n\t" \ 125 "psrlq $32, %%mm1 \n\t" \ 126 "paddq %%mm6, %%mm1 \n\t" \ 127 "movd %%mm1, 24(%%edi) \n\t" \ 128 "psrlq $32, %%mm1 \n\t" \ 129 "paddq %%mm3, %%mm1 \n\t" \ 130 "movd %%mm1, 28(%%edi) \n\t" \ 131 "addl $32, %%edi \n\t" \ 132 "addl $32, %%esi \n\t" \ 133 "psrlq $32, %%mm1 \n\t" \ 134 "movd %%mm1, %%ecx \n\t" 135 136 #define MULADDC_STOP \ 137 "emms \n\t" \ 138 "movl %4, %%ebx \n\t" \ 139 "movl %%ecx, %1 \n\t" \ 140 "movl %%edi, %2 \n\t" \ 141 "movl %%esi, %3 \n\t" \ 142 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \ 143 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \ 144 : "eax", "ecx", "edx", "esi", "edi" \ 145 ); 146 147 #else 148 149 #define MULADDC_STOP \ 150 "movl %4, %%ebx \n\t" \ 151 "movl %%ecx, %1 \n\t" \ 152 "movl %%edi, %2 \n\t" \ 153 "movl %%esi, %3 \n\t" \ 154 : "=m" (t), "=m" (c), "=m" (d), "=m" (s) \ 155 : "m" (t), "m" (s), "m" (d), "m" (c), "m" (b) \ 156 : "eax", "ecx", "edx", "esi", "edi" \ 157 ); 158 #endif /* SSE2 */ 159 #endif /* i386 */ 160 161 #if defined(__amd64__) || defined (__x86_64__) 162 163 #define MULADDC_INIT \ 164 asm( \ 165 "movq %3, %%rsi \n\t" \ 166 "movq %4, %%rdi \n\t" \ 167 "movq %5, %%rcx \n\t" \ 168 "movq %6, %%rbx \n\t" \ 169 "xorq %%r8, %%r8 \n\t" 170 171 #define MULADDC_CORE \ 172 "movq (%%rsi), %%rax \n\t" \ 173 "mulq %%rbx \n\t" \ 174 "addq $8, %%rsi \n\t" \ 175 "addq %%rcx, %%rax \n\t" \ 176 "movq %%r8, %%rcx \n\t" \ 177 "adcq $0, %%rdx \n\t" \ 178 "nop \n\t" \ 179 "addq %%rax, (%%rdi) \n\t" \ 180 "adcq %%rdx, %%rcx \n\t" \ 181 "addq $8, %%rdi \n\t" 182 183 #define MULADDC_STOP \ 184 "movq %%rcx, %0 \n\t" \ 185 "movq %%rdi, %1 \n\t" \ 186 "movq %%rsi, %2 \n\t" \ 187 : "=m" (c), "=m" (d), "=m" (s) \ 188 : "m" (s), "m" (d), "m" (c), "m" (b) \ 189 : "rax", "rcx", "rdx", "rbx", "rsi", "rdi", "r8" \ 190 ); 191 192 #endif /* AMD64 */ 193 194 #if defined(__mc68020__) || defined(__mcpu32__) 195 196 #define MULADDC_INIT \ 197 asm( \ 198 "movl %3, %%a2 \n\t" \ 199 "movl %4, %%a3 \n\t" \ 200 "movl %5, %%d3 \n\t" \ 201 "movl %6, %%d2 \n\t" \ 202 "moveq #0, %%d0 \n\t" 203 204 #define MULADDC_CORE \ 205 "movel %%a2@+, %%d1 \n\t" \ 206 "mulul %%d2, %%d4:%%d1 \n\t" \ 207 "addl %%d3, %%d1 \n\t" \ 208 "addxl %%d0, %%d4 \n\t" \ 209 "moveq #0, %%d3 \n\t" \ 210 "addl %%d1, %%a3@+ \n\t" \ 211 "addxl %%d4, %%d3 \n\t" 212 213 #define MULADDC_STOP \ 214 "movl %%d3, %0 \n\t" \ 215 "movl %%a3, %1 \n\t" \ 216 "movl %%a2, %2 \n\t" \ 217 : "=m" (c), "=m" (d), "=m" (s) \ 218 : "m" (s), "m" (d), "m" (c), "m" (b) \ 219 : "d0", "d1", "d2", "d3", "d4", "a2", "a3" \ 220 ); 221 222 #define MULADDC_HUIT \ 223 "movel %%a2@+, %%d1 \n\t" \ 224 "mulul %%d2, %%d4:%%d1 \n\t" \ 225 "addxl %%d3, %%d1 \n\t" \ 226 "addxl %%d0, %%d4 \n\t" \ 227 "addl %%d1, %%a3@+ \n\t" \ 228 "movel %%a2@+, %%d1 \n\t" \ 229 "mulul %%d2, %%d3:%%d1 \n\t" \ 230 "addxl %%d4, %%d1 \n\t" \ 231 "addxl %%d0, %%d3 \n\t" \ 232 "addl %%d1, %%a3@+ \n\t" \ 233 "movel %%a2@+, %%d1 \n\t" \ 234 "mulul %%d2, %%d4:%%d1 \n\t" \ 235 "addxl %%d3, %%d1 \n\t" \ 236 "addxl %%d0, %%d4 \n\t" \ 237 "addl %%d1, %%a3@+ \n\t" \ 238 "movel %%a2@+, %%d1 \n\t" \ 239 "mulul %%d2, %%d3:%%d1 \n\t" \ 240 "addxl %%d4, %%d1 \n\t" \ 241 "addxl %%d0, %%d3 \n\t" \ 242 "addl %%d1, %%a3@+ \n\t" \ 243 "movel %%a2@+, %%d1 \n\t" \ 244 "mulul %%d2, %%d4:%%d1 \n\t" \ 245 "addxl %%d3, %%d1 \n\t" \ 246 "addxl %%d0, %%d4 \n\t" \ 247 "addl %%d1, %%a3@+ \n\t" \ 248 "movel %%a2@+, %%d1 \n\t" \ 249 "mulul %%d2, %%d3:%%d1 \n\t" \ 250 "addxl %%d4, %%d1 \n\t" \ 251 "addxl %%d0, %%d3 \n\t" \ 252 "addl %%d1, %%a3@+ \n\t" \ 253 "movel %%a2@+, %%d1 \n\t" \ 254 "mulul %%d2, %%d4:%%d1 \n\t" \ 255 "addxl %%d3, %%d1 \n\t" \ 256 "addxl %%d0, %%d4 \n\t" \ 257 "addl %%d1, %%a3@+ \n\t" \ 258 "movel %%a2@+, %%d1 \n\t" \ 259 "mulul %%d2, %%d3:%%d1 \n\t" \ 260 "addxl %%d4, %%d1 \n\t" \ 261 "addxl %%d0, %%d3 \n\t" \ 262 "addl %%d1, %%a3@+ \n\t" \ 263 "addxl %%d0, %%d3 \n\t" 264 265 #endif /* MC68000 */ 266 267 #if defined(__powerpc64__) || defined(__ppc64__) 268 269 #if defined(__MACH__) && defined(__APPLE__) 270 271 #define MULADDC_INIT \ 272 asm( \ 273 "ld r3, %3 \n\t" \ 274 "ld r4, %4 \n\t" \ 275 "ld r5, %5 \n\t" \ 276 "ld r6, %6 \n\t" \ 277 "addi r3, r3, -8 \n\t" \ 278 "addi r4, r4, -8 \n\t" \ 279 "addic r5, r5, 0 \n\t" 280 281 #define MULADDC_CORE \ 282 "ldu r7, 8(r3) \n\t" \ 283 "mulld r8, r7, r6 \n\t" \ 284 "mulhdu r9, r7, r6 \n\t" \ 285 "adde r8, r8, r5 \n\t" \ 286 "ld r7, 8(r4) \n\t" \ 287 "addze r5, r9 \n\t" \ 288 "addc r8, r8, r7 \n\t" \ 289 "stdu r8, 8(r4) \n\t" 290 291 #define MULADDC_STOP \ 292 "addze r5, r5 \n\t" \ 293 "addi r4, r4, 8 \n\t" \ 294 "addi r3, r3, 8 \n\t" \ 295 "std r5, %0 \n\t" \ 296 "std r4, %1 \n\t" \ 297 "std r3, %2 \n\t" \ 298 : "=m" (c), "=m" (d), "=m" (s) \ 299 : "m" (s), "m" (d), "m" (c), "m" (b) \ 300 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \ 301 ); 302 303 304 #else /* __MACH__ && __APPLE__ */ 305 306 #define MULADDC_INIT \ 307 asm( \ 308 "ld %%r3, %3 \n\t" \ 309 "ld %%r4, %4 \n\t" \ 310 "ld %%r5, %5 \n\t" \ 311 "ld %%r6, %6 \n\t" \ 312 "addi %%r3, %%r3, -8 \n\t" \ 313 "addi %%r4, %%r4, -8 \n\t" \ 314 "addic %%r5, %%r5, 0 \n\t" 315 316 #define MULADDC_CORE \ 317 "ldu %%r7, 8(%%r3) \n\t" \ 318 "mulld %%r8, %%r7, %%r6 \n\t" \ 319 "mulhdu %%r9, %%r7, %%r6 \n\t" \ 320 "adde %%r8, %%r8, %%r5 \n\t" \ 321 "ld %%r7, 8(%%r4) \n\t" \ 322 "addze %%r5, %%r9 \n\t" \ 323 "addc %%r8, %%r8, %%r7 \n\t" \ 324 "stdu %%r8, 8(%%r4) \n\t" 325 326 #define MULADDC_STOP \ 327 "addze %%r5, %%r5 \n\t" \ 328 "addi %%r4, %%r4, 8 \n\t" \ 329 "addi %%r3, %%r3, 8 \n\t" \ 330 "std %%r5, %0 \n\t" \ 331 "std %%r4, %1 \n\t" \ 332 "std %%r3, %2 \n\t" \ 333 : "=m" (c), "=m" (d), "=m" (s) \ 334 : "m" (s), "m" (d), "m" (c), "m" (b) \ 335 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \ 336 ); 337 338 #endif /* __MACH__ && __APPLE__ */ 339 340 #elif defined(__powerpc__) || defined(__ppc__) /* end PPC64/begin PPC32 */ 341 342 #if defined(__MACH__) && defined(__APPLE__) 343 344 #define MULADDC_INIT \ 345 asm( \ 346 "lwz r3, %3 \n\t" \ 347 "lwz r4, %4 \n\t" \ 348 "lwz r5, %5 \n\t" \ 349 "lwz r6, %6 \n\t" \ 350 "addi r3, r3, -4 \n\t" \ 351 "addi r4, r4, -4 \n\t" \ 352 "addic r5, r5, 0 \n\t" 353 354 #define MULADDC_CORE \ 355 "lwzu r7, 4(r3) \n\t" \ 356 "mullw r8, r7, r6 \n\t" \ 357 "mulhwu r9, r7, r6 \n\t" \ 358 "adde r8, r8, r5 \n\t" \ 359 "lwz r7, 4(r4) \n\t" \ 360 "addze r5, r9 \n\t" \ 361 "addc r8, r8, r7 \n\t" \ 362 "stwu r8, 4(r4) \n\t" 363 364 #define MULADDC_STOP \ 365 "addze r5, r5 \n\t" \ 366 "addi r4, r4, 4 \n\t" \ 367 "addi r3, r3, 4 \n\t" \ 368 "stw r5, %0 \n\t" \ 369 "stw r4, %1 \n\t" \ 370 "stw r3, %2 \n\t" \ 371 : "=m" (c), "=m" (d), "=m" (s) \ 372 : "m" (s), "m" (d), "m" (c), "m" (b) \ 373 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \ 374 ); 375 376 #else /* __MACH__ && __APPLE__ */ 377 378 #define MULADDC_INIT \ 379 asm( \ 380 "lwz %%r3, %3 \n\t" \ 381 "lwz %%r4, %4 \n\t" \ 382 "lwz %%r5, %5 \n\t" \ 383 "lwz %%r6, %6 \n\t" \ 384 "addi %%r3, %%r3, -4 \n\t" \ 385 "addi %%r4, %%r4, -4 \n\t" \ 386 "addic %%r5, %%r5, 0 \n\t" 387 388 #define MULADDC_CORE \ 389 "lwzu %%r7, 4(%%r3) \n\t" \ 390 "mullw %%r8, %%r7, %%r6 \n\t" \ 391 "mulhwu %%r9, %%r7, %%r6 \n\t" \ 392 "adde %%r8, %%r8, %%r5 \n\t" \ 393 "lwz %%r7, 4(%%r4) \n\t" \ 394 "addze %%r5, %%r9 \n\t" \ 395 "addc %%r8, %%r8, %%r7 \n\t" \ 396 "stwu %%r8, 4(%%r4) \n\t" 397 398 #define MULADDC_STOP \ 399 "addze %%r5, %%r5 \n\t" \ 400 "addi %%r4, %%r4, 4 \n\t" \ 401 "addi %%r3, %%r3, 4 \n\t" \ 402 "stw %%r5, %0 \n\t" \ 403 "stw %%r4, %1 \n\t" \ 404 "stw %%r3, %2 \n\t" \ 405 : "=m" (c), "=m" (d), "=m" (s) \ 406 : "m" (s), "m" (d), "m" (c), "m" (b) \ 407 : "r3", "r4", "r5", "r6", "r7", "r8", "r9" \ 408 ); 409 410 #endif /* __MACH__ && __APPLE__ */ 411 412 #endif /* PPC32 */ 413 414 /* 415 * The Sparc(64) assembly is reported to be broken. 416 * Disable it for now, until we're able to fix it. 417 */ 418 #if 0 && defined(__sparc__) 419 #if defined(__sparc64__) 420 421 #define MULADDC_INIT \ 422 asm( \ 423 "ldx %3, %%o0 \n\t" \ 424 "ldx %4, %%o1 \n\t" \ 425 "ld %5, %%o2 \n\t" \ 426 "ld %6, %%o3 \n\t" 427 428 #define MULADDC_CORE \ 429 "ld [%%o0], %%o4 \n\t" \ 430 "inc 4, %%o0 \n\t" \ 431 "ld [%%o1], %%o5 \n\t" \ 432 "umul %%o3, %%o4, %%o4 \n\t" \ 433 "addcc %%o4, %%o2, %%o4 \n\t" \ 434 "rd %%y, %%g1 \n\t" \ 435 "addx %%g1, 0, %%g1 \n\t" \ 436 "addcc %%o4, %%o5, %%o4 \n\t" \ 437 "st %%o4, [%%o1] \n\t" \ 438 "addx %%g1, 0, %%o2 \n\t" \ 439 "inc 4, %%o1 \n\t" 440 441 #define MULADDC_STOP \ 442 "st %%o2, %0 \n\t" \ 443 "stx %%o1, %1 \n\t" \ 444 "stx %%o0, %2 \n\t" \ 445 : "=m" (c), "=m" (d), "=m" (s) \ 446 : "m" (s), "m" (d), "m" (c), "m" (b) \ 447 : "g1", "o0", "o1", "o2", "o3", "o4", \ 448 "o5" \ 449 ); 450 451 #else /* __sparc64__ */ 452 453 #define MULADDC_INIT \ 454 asm( \ 455 "ld %3, %%o0 \n\t" \ 456 "ld %4, %%o1 \n\t" \ 457 "ld %5, %%o2 \n\t" \ 458 "ld %6, %%o3 \n\t" 459 460 #define MULADDC_CORE \ 461 "ld [%%o0], %%o4 \n\t" \ 462 "inc 4, %%o0 \n\t" \ 463 "ld [%%o1], %%o5 \n\t" \ 464 "umul %%o3, %%o4, %%o4 \n\t" \ 465 "addcc %%o4, %%o2, %%o4 \n\t" \ 466 "rd %%y, %%g1 \n\t" \ 467 "addx %%g1, 0, %%g1 \n\t" \ 468 "addcc %%o4, %%o5, %%o4 \n\t" \ 469 "st %%o4, [%%o1] \n\t" \ 470 "addx %%g1, 0, %%o2 \n\t" \ 471 "inc 4, %%o1 \n\t" 472 473 #define MULADDC_STOP \ 474 "st %%o2, %0 \n\t" \ 475 "st %%o1, %1 \n\t" \ 476 "st %%o0, %2 \n\t" \ 477 : "=m" (c), "=m" (d), "=m" (s) \ 478 : "m" (s), "m" (d), "m" (c), "m" (b) \ 479 : "g1", "o0", "o1", "o2", "o3", "o4", \ 480 "o5" \ 481 ); 482 483 #endif /* __sparc64__ */ 484 #endif /* __sparc__ */ 485 486 #if defined(__microblaze__) || defined(microblaze) 487 488 #define MULADDC_INIT \ 489 asm( \ 490 "lwi r3, %3 \n\t" \ 491 "lwi r4, %4 \n\t" \ 492 "lwi r5, %5 \n\t" \ 493 "lwi r6, %6 \n\t" \ 494 "andi r7, r6, 0xffff \n\t" \ 495 "bsrli r6, r6, 16 \n\t" 496 497 #define MULADDC_CORE \ 498 "lhui r8, r3, 0 \n\t" \ 499 "addi r3, r3, 2 \n\t" \ 500 "lhui r9, r3, 0 \n\t" \ 501 "addi r3, r3, 2 \n\t" \ 502 "mul r10, r9, r6 \n\t" \ 503 "mul r11, r8, r7 \n\t" \ 504 "mul r12, r9, r7 \n\t" \ 505 "mul r13, r8, r6 \n\t" \ 506 "bsrli r8, r10, 16 \n\t" \ 507 "bsrli r9, r11, 16 \n\t" \ 508 "add r13, r13, r8 \n\t" \ 509 "add r13, r13, r9 \n\t" \ 510 "bslli r10, r10, 16 \n\t" \ 511 "bslli r11, r11, 16 \n\t" \ 512 "add r12, r12, r10 \n\t" \ 513 "addc r13, r13, r0 \n\t" \ 514 "add r12, r12, r11 \n\t" \ 515 "addc r13, r13, r0 \n\t" \ 516 "lwi r10, r4, 0 \n\t" \ 517 "add r12, r12, r10 \n\t" \ 518 "addc r13, r13, r0 \n\t" \ 519 "add r12, r12, r5 \n\t" \ 520 "addc r5, r13, r0 \n\t" \ 521 "swi r12, r4, 0 \n\t" \ 522 "addi r4, r4, 4 \n\t" 523 524 #define MULADDC_STOP \ 525 "swi r5, %0 \n\t" \ 526 "swi r4, %1 \n\t" \ 527 "swi r3, %2 \n\t" \ 528 : "=m" (c), "=m" (d), "=m" (s) \ 529 : "m" (s), "m" (d), "m" (c), "m" (b) \ 530 : "r3", "r4" "r5", "r6", "r7", "r8", \ 531 "r9", "r10", "r11", "r12", "r13" \ 532 ); 533 534 #endif /* MicroBlaze */ 535 536 #if defined(__tricore__) 537 538 #define MULADDC_INIT \ 539 asm( \ 540 "ld.a %%a2, %3 \n\t" \ 541 "ld.a %%a3, %4 \n\t" \ 542 "ld.w %%d4, %5 \n\t" \ 543 "ld.w %%d1, %6 \n\t" \ 544 "xor %%d5, %%d5 \n\t" 545 546 #define MULADDC_CORE \ 547 "ld.w %%d0, [%%a2+] \n\t" \ 548 "madd.u %%e2, %%e4, %%d0, %%d1 \n\t" \ 549 "ld.w %%d0, [%%a3] \n\t" \ 550 "addx %%d2, %%d2, %%d0 \n\t" \ 551 "addc %%d3, %%d3, 0 \n\t" \ 552 "mov %%d4, %%d3 \n\t" \ 553 "st.w [%%a3+], %%d2 \n\t" 554 555 #define MULADDC_STOP \ 556 "st.w %0, %%d4 \n\t" \ 557 "st.a %1, %%a3 \n\t" \ 558 "st.a %2, %%a2 \n\t" \ 559 : "=m" (c), "=m" (d), "=m" (s) \ 560 : "m" (s), "m" (d), "m" (c), "m" (b) \ 561 : "d0", "d1", "e2", "d4", "a2", "a3" \ 562 ); 563 564 #endif /* TriCore */ 565 566 #if defined(__arm__) 567 568 #if defined(__thumb__) && !defined(__thumb2__) 569 570 #define MULADDC_INIT \ 571 asm( \ 572 "ldr r0, %3 \n\t" \ 573 "ldr r1, %4 \n\t" \ 574 "ldr r2, %5 \n\t" \ 575 "ldr r3, %6 \n\t" \ 576 "lsr r7, r3, #16 \n\t" \ 577 "mov r9, r7 \n\t" \ 578 "lsl r7, r3, #16 \n\t" \ 579 "lsr r7, r7, #16 \n\t" \ 580 "mov r8, r7 \n\t" 581 582 #define MULADDC_CORE \ 583 "ldmia r0!, {r6} \n\t" \ 584 "lsr r7, r6, #16 \n\t" \ 585 "lsl r6, r6, #16 \n\t" \ 586 "lsr r6, r6, #16 \n\t" \ 587 "mov r4, r8 \n\t" \ 588 "mul r4, r6 \n\t" \ 589 "mov r3, r9 \n\t" \ 590 "mul r6, r3 \n\t" \ 591 "mov r5, r9 \n\t" \ 592 "mul r5, r7 \n\t" \ 593 "mov r3, r8 \n\t" \ 594 "mul r7, r3 \n\t" \ 595 "lsr r3, r6, #16 \n\t" \ 596 "add r5, r5, r3 \n\t" \ 597 "lsr r3, r7, #16 \n\t" \ 598 "add r5, r5, r3 \n\t" \ 599 "add r4, r4, r2 \n\t" \ 600 "mov r2, #0 \n\t" \ 601 "adc r5, r2 \n\t" \ 602 "lsl r3, r6, #16 \n\t" \ 603 "add r4, r4, r3 \n\t" \ 604 "adc r5, r2 \n\t" \ 605 "lsl r3, r7, #16 \n\t" \ 606 "add r4, r4, r3 \n\t" \ 607 "adc r5, r2 \n\t" \ 608 "ldr r3, [r1] \n\t" \ 609 "add r4, r4, r3 \n\t" \ 610 "adc r2, r5 \n\t" \ 611 "stmia r1!, {r4} \n\t" 612 613 #define MULADDC_STOP \ 614 "str r2, %0 \n\t" \ 615 "str r1, %1 \n\t" \ 616 "str r0, %2 \n\t" \ 617 : "=m" (c), "=m" (d), "=m" (s) \ 618 : "m" (s), "m" (d), "m" (c), "m" (b) \ 619 : "r0", "r1", "r2", "r3", "r4", "r5", \ 620 "r6", "r7", "r8", "r9", "cc" \ 621 ); 622 623 #else 624 625 #define MULADDC_INIT \ 626 asm( \ 627 "ldr r0, %3 \n\t" \ 628 "ldr r1, %4 \n\t" \ 629 "ldr r2, %5 \n\t" \ 630 "ldr r3, %6 \n\t" 631 632 #define MULADDC_CORE \ 633 "ldr r4, [r0], #4 \n\t" \ 634 "mov r5, #0 \n\t" \ 635 "ldr r6, [r1] \n\t" \ 636 "umlal r2, r5, r3, r4 \n\t" \ 637 "adds r7, r6, r2 \n\t" \ 638 "adc r2, r5, #0 \n\t" \ 639 "str r7, [r1], #4 \n\t" 640 641 #define MULADDC_STOP \ 642 "str r2, %0 \n\t" \ 643 "str r1, %1 \n\t" \ 644 "str r0, %2 \n\t" \ 645 : "=m" (c), "=m" (d), "=m" (s) \ 646 : "m" (s), "m" (d), "m" (c), "m" (b) \ 647 : "r0", "r1", "r2", "r3", "r4", "r5", \ 648 "r6", "r7", "cc" \ 649 ); 650 651 #endif /* Thumb */ 652 653 #endif /* ARMv3 */ 654 655 #if defined(__alpha__) 656 657 #define MULADDC_INIT \ 658 asm( \ 659 "ldq $1, %3 \n\t" \ 660 "ldq $2, %4 \n\t" \ 661 "ldq $3, %5 \n\t" \ 662 "ldq $4, %6 \n\t" 663 664 #define MULADDC_CORE \ 665 "ldq $6, 0($1) \n\t" \ 666 "addq $1, 8, $1 \n\t" \ 667 "mulq $6, $4, $7 \n\t" \ 668 "umulh $6, $4, $6 \n\t" \ 669 "addq $7, $3, $7 \n\t" \ 670 "cmpult $7, $3, $3 \n\t" \ 671 "ldq $5, 0($2) \n\t" \ 672 "addq $7, $5, $7 \n\t" \ 673 "cmpult $7, $5, $5 \n\t" \ 674 "stq $7, 0($2) \n\t" \ 675 "addq $2, 8, $2 \n\t" \ 676 "addq $6, $3, $3 \n\t" \ 677 "addq $5, $3, $3 \n\t" 678 679 #define MULADDC_STOP \ 680 "stq $3, %0 \n\t" \ 681 "stq $2, %1 \n\t" \ 682 "stq $1, %2 \n\t" \ 683 : "=m" (c), "=m" (d), "=m" (s) \ 684 : "m" (s), "m" (d), "m" (c), "m" (b) \ 685 : "$1", "$2", "$3", "$4", "$5", "$6", "$7" \ 686 ); 687 #endif /* Alpha */ 688 689 #if defined(__mips__) && !defined(__mips64) 690 691 #define MULADDC_INIT \ 692 asm( \ 693 "lw $10, %3 \n\t" \ 694 "lw $11, %4 \n\t" \ 695 "lw $12, %5 \n\t" \ 696 "lw $13, %6 \n\t" 697 698 #define MULADDC_CORE \ 699 "lw $14, 0($10) \n\t" \ 700 "multu $13, $14 \n\t" \ 701 "addi $10, $10, 4 \n\t" \ 702 "mflo $14 \n\t" \ 703 "mfhi $9 \n\t" \ 704 "addu $14, $12, $14 \n\t" \ 705 "lw $15, 0($11) \n\t" \ 706 "sltu $12, $14, $12 \n\t" \ 707 "addu $15, $14, $15 \n\t" \ 708 "sltu $14, $15, $14 \n\t" \ 709 "addu $12, $12, $9 \n\t" \ 710 "sw $15, 0($11) \n\t" \ 711 "addu $12, $12, $14 \n\t" \ 712 "addi $11, $11, 4 \n\t" 713 714 #define MULADDC_STOP \ 715 "sw $12, %0 \n\t" \ 716 "sw $11, %1 \n\t" \ 717 "sw $10, %2 \n\t" \ 718 : "=m" (c), "=m" (d), "=m" (s) \ 719 : "m" (s), "m" (d), "m" (c), "m" (b) \ 720 : "$9", "$10", "$11", "$12", "$13", "$14", "$15" \ 721 ); 722 723 #endif /* MIPS */ 724 #endif /* GNUC */ 725 726 #if (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) 727 728 #define MULADDC_INIT \ 729 __asm mov esi, s \ 730 __asm mov edi, d \ 731 __asm mov ecx, c \ 732 __asm mov ebx, b 733 734 #define MULADDC_CORE \ 735 __asm lodsd \ 736 __asm mul ebx \ 737 __asm add eax, ecx \ 738 __asm adc edx, 0 \ 739 __asm add eax, [edi] \ 740 __asm adc edx, 0 \ 741 __asm mov ecx, edx \ 742 __asm stosd 743 744 #if defined(MBEDTLS_HAVE_SSE2) 745 746 #define EMIT __asm _emit 747 748 #define MULADDC_HUIT \ 749 EMIT 0x0F EMIT 0x6E EMIT 0xC9 \ 750 EMIT 0x0F EMIT 0x6E EMIT 0xC3 \ 751 EMIT 0x0F EMIT 0x6E EMIT 0x1F \ 752 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \ 753 EMIT 0x0F EMIT 0x6E EMIT 0x16 \ 754 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \ 755 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x04 \ 756 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \ 757 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x08 \ 758 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \ 759 EMIT 0x0F EMIT 0x6E EMIT 0x7E EMIT 0x0C \ 760 EMIT 0x0F EMIT 0xF4 EMIT 0xF8 \ 761 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \ 762 EMIT 0x0F EMIT 0x6E EMIT 0x5F EMIT 0x04 \ 763 EMIT 0x0F EMIT 0xD4 EMIT 0xDC \ 764 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x08 \ 765 EMIT 0x0F EMIT 0xD4 EMIT 0xEE \ 766 EMIT 0x0F EMIT 0x6E EMIT 0x67 EMIT 0x0C \ 767 EMIT 0x0F EMIT 0xD4 EMIT 0xFC \ 768 EMIT 0x0F EMIT 0x7E EMIT 0x0F \ 769 EMIT 0x0F EMIT 0x6E EMIT 0x56 EMIT 0x10 \ 770 EMIT 0x0F EMIT 0xF4 EMIT 0xD0 \ 771 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 772 EMIT 0x0F EMIT 0x6E EMIT 0x66 EMIT 0x14 \ 773 EMIT 0x0F EMIT 0xF4 EMIT 0xE0 \ 774 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \ 775 EMIT 0x0F EMIT 0x6E EMIT 0x76 EMIT 0x18 \ 776 EMIT 0x0F EMIT 0xF4 EMIT 0xF0 \ 777 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x04 \ 778 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 779 EMIT 0x0F EMIT 0x6E EMIT 0x5E EMIT 0x1C \ 780 EMIT 0x0F EMIT 0xF4 EMIT 0xD8 \ 781 EMIT 0x0F EMIT 0xD4 EMIT 0xCD \ 782 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x10 \ 783 EMIT 0x0F EMIT 0xD4 EMIT 0xD5 \ 784 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x08 \ 785 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 786 EMIT 0x0F EMIT 0xD4 EMIT 0xCF \ 787 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x14 \ 788 EMIT 0x0F EMIT 0xD4 EMIT 0xE5 \ 789 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x0C \ 790 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 791 EMIT 0x0F EMIT 0xD4 EMIT 0xCA \ 792 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x18 \ 793 EMIT 0x0F EMIT 0xD4 EMIT 0xF5 \ 794 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x10 \ 795 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 796 EMIT 0x0F EMIT 0xD4 EMIT 0xCC \ 797 EMIT 0x0F EMIT 0x6E EMIT 0x6F EMIT 0x1C \ 798 EMIT 0x0F EMIT 0xD4 EMIT 0xDD \ 799 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x14 \ 800 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 801 EMIT 0x0F EMIT 0xD4 EMIT 0xCE \ 802 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x18 \ 803 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 804 EMIT 0x0F EMIT 0xD4 EMIT 0xCB \ 805 EMIT 0x0F EMIT 0x7E EMIT 0x4F EMIT 0x1C \ 806 EMIT 0x83 EMIT 0xC7 EMIT 0x20 \ 807 EMIT 0x83 EMIT 0xC6 EMIT 0x20 \ 808 EMIT 0x0F EMIT 0x73 EMIT 0xD1 EMIT 0x20 \ 809 EMIT 0x0F EMIT 0x7E EMIT 0xC9 810 811 #define MULADDC_STOP \ 812 EMIT 0x0F EMIT 0x77 \ 813 __asm mov c, ecx \ 814 __asm mov d, edi \ 815 __asm mov s, esi \ 816 817 #else 818 819 #define MULADDC_STOP \ 820 __asm mov c, ecx \ 821 __asm mov d, edi \ 822 __asm mov s, esi \ 823 824 #endif /* SSE2 */ 825 #endif /* MSVC */ 826 827 #endif /* MBEDTLS_HAVE_ASM */ 828 829 #if !defined(MULADDC_CORE) 830 #if defined(MBEDTLS_HAVE_UDBL) 831 832 #define MULADDC_INIT \ 833 { \ 834 mbedtls_t_udbl r; \ 835 mbedtls_mpi_uint r0, r1; 836 837 #define MULADDC_CORE \ 838 r = *(s++) * (mbedtls_t_udbl) b; \ 839 r0 = (mbedtls_mpi_uint) r; \ 840 r1 = (mbedtls_mpi_uint)( r >> biL ); \ 841 r0 += c; r1 += (r0 < c); \ 842 r0 += *d; r1 += (r0 < *d); \ 843 c = r1; *(d++) = r0; 844 845 #define MULADDC_STOP \ 846 } 847 848 #else 849 #define MULADDC_INIT \ 850 { \ 851 mbedtls_mpi_uint s0, s1, b0, b1; \ 852 mbedtls_mpi_uint r0, r1, rx, ry; \ 853 b0 = ( b << biH ) >> biH; \ 854 b1 = ( b >> biH ); 855 856 #define MULADDC_CORE \ 857 s0 = ( *s << biH ) >> biH; \ 858 s1 = ( *s >> biH ); s++; \ 859 rx = s0 * b1; r0 = s0 * b0; \ 860 ry = s1 * b0; r1 = s1 * b1; \ 861 r1 += ( rx >> biH ); \ 862 r1 += ( ry >> biH ); \ 863 rx <<= biH; ry <<= biH; \ 864 r0 += rx; r1 += (r0 < rx); \ 865 r0 += ry; r1 += (r0 < ry); \ 866 r0 += c; r1 += (r0 < c); \ 867 r0 += *d; r1 += (r0 < *d); \ 868 c = r1; *(d++) = r0; 869 870 #define MULADDC_STOP \ 871 } 872 873 #endif /* C (generic) */ 874 #endif /* C (longlong) */ 875 876 #endif /* bn_mul.h */ 877