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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 | /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 1994, 1995, 1996, 1998, 1999, 2002, 2003 Ralf Baechle * Copyright (C) 1996 David S. Miller (davem@davemloft.net) * Copyright (C) 1994, 1995, 1996, by Andreas Busse * Copyright (C) 1999 Silicon Graphics, Inc. * Copyright (C) 2000 MIPS Technologies, Inc. * written by Carsten Langgaard, carstenl@mips.com */ #include <asm/asm.h> #include <asm/export.h> #include <asm/asm-offsets.h> #include <asm/mipsregs.h> #include <asm/regdef.h> #include <asm/stackframe.h> /* * task_struct *resume(task_struct *prev, task_struct *next, * struct thread_info *next_ti) */ .align 7 LEAF(resume) .set arch=octeon mfc0 t1, CP0_STATUS LONG_S t1, THREAD_STATUS(a0) cpu_save_nonscratch a0 LONG_S ra, THREAD_REG31(a0) #if CONFIG_CAVIUM_OCTEON_CVMSEG_SIZE > 0 /* Check if we need to store CVMSEG state */ dmfc0 t0, $11,7 /* CvmMemCtl */ bbit0 t0, 6, 3f /* Is user access enabled? */ /* Store the CVMSEG state */ /* Extract the size of CVMSEG */ andi t0, 0x3f /* Multiply * (cache line size/sizeof(long)/2) */ sll t0, 7-LONGLOG-1 li t1, -32768 /* Base address of CVMSEG */ LONG_ADDI t2, a0, THREAD_CVMSEG /* Where to store CVMSEG to */ synciobdma 2: .set noreorder LONG_L t8, 0(t1) /* Load from CVMSEG */ subu t0, 1 /* Decrement loop var */ LONG_L t9, LONGSIZE(t1)/* Load from CVMSEG */ LONG_ADDU t1, LONGSIZE*2 /* Increment loc in CVMSEG */ LONG_S t8, 0(t2) /* Store CVMSEG to thread storage */ LONG_ADDU t2, LONGSIZE*2 /* Increment loc in thread storage */ bnez t0, 2b /* Loop until we've copied it all */ LONG_S t9, -LONGSIZE(t2)/* Store CVMSEG to thread storage */ .set reorder /* Disable access to CVMSEG */ dmfc0 t0, $11,7 /* CvmMemCtl */ xori t0, t0, 0x40 /* Bit 6 is CVMSEG user enable */ dmtc0 t0, $11,7 /* CvmMemCtl */ #endif 3: #if defined(CONFIG_STACKPROTECTOR) && !defined(CONFIG_SMP) PTR_LA t8, __stack_chk_guard LONG_L t9, TASK_STACK_CANARY(a1) LONG_S t9, 0(t8) #endif /* * The order of restoring the registers takes care of the race * updating $28, $29 and kernelsp without disabling ints. */ move $28, a2 cpu_restore_nonscratch a1 PTR_ADDU t0, $28, _THREAD_SIZE - 32 set_saved_sp t0, t1, t2 mfc0 t1, CP0_STATUS /* Do we really need this? */ li a3, 0xff01 and t1, a3 LONG_L a2, THREAD_STATUS(a1) nor a3, $0, a3 and a2, a3 or a2, t1 mtc0 a2, CP0_STATUS move v0, a0 jr ra END(resume) /* * void octeon_cop2_save(struct octeon_cop2_state *a0) */ .align 7 .set push .set noreorder LEAF(octeon_cop2_save) dmfc0 t9, $9,7 /* CvmCtl register. */ /* Save the COP2 CRC state */ dmfc2 t0, 0x0201 dmfc2 t1, 0x0202 dmfc2 t2, 0x0200 sd t0, OCTEON_CP2_CRC_IV(a0) sd t1, OCTEON_CP2_CRC_LENGTH(a0) /* Skip next instructions if CvmCtl[NODFA_CP2] set */ bbit1 t9, 28, 1f sd t2, OCTEON_CP2_CRC_POLY(a0) /* Save the LLM state */ dmfc2 t0, 0x0402 dmfc2 t1, 0x040A sd t0, OCTEON_CP2_LLM_DAT(a0) 1: bbit1 t9, 26, 3f /* done if CvmCtl[NOCRYPTO] set */ sd t1, OCTEON_CP2_LLM_DAT+8(a0) /* Save the COP2 crypto state */ /* this part is mostly common to both pass 1 and later revisions */ dmfc2 t0, 0x0084 dmfc2 t1, 0x0080 dmfc2 t2, 0x0081 dmfc2 t3, 0x0082 sd t0, OCTEON_CP2_3DES_IV(a0) dmfc2 t0, 0x0088 sd t1, OCTEON_CP2_3DES_KEY(a0) dmfc2 t1, 0x0111 /* only necessary for pass 1 */ sd t2, OCTEON_CP2_3DES_KEY+8(a0) dmfc2 t2, 0x0102 sd t3, OCTEON_CP2_3DES_KEY+16(a0) dmfc2 t3, 0x0103 sd t0, OCTEON_CP2_3DES_RESULT(a0) dmfc2 t0, 0x0104 sd t1, OCTEON_CP2_AES_INP0(a0) /* only necessary for pass 1 */ dmfc2 t1, 0x0105 sd t2, OCTEON_CP2_AES_IV(a0) dmfc2 t2, 0x0106 sd t3, OCTEON_CP2_AES_IV+8(a0) dmfc2 t3, 0x0107 sd t0, OCTEON_CP2_AES_KEY(a0) dmfc2 t0, 0x0110 sd t1, OCTEON_CP2_AES_KEY+8(a0) dmfc2 t1, 0x0100 sd t2, OCTEON_CP2_AES_KEY+16(a0) dmfc2 t2, 0x0101 sd t3, OCTEON_CP2_AES_KEY+24(a0) mfc0 v0, $15,0 /* Get the processor ID register */ sd t0, OCTEON_CP2_AES_KEYLEN(a0) li v1, 0x000d0000 /* This is the processor ID of Octeon Pass1 */ sd t1, OCTEON_CP2_AES_RESULT(a0) /* Skip to the Pass1 version of the remainder of the COP2 state */ beq v0, v1, 2f sd t2, OCTEON_CP2_AES_RESULT+8(a0) /* the non-pass1 state when !CvmCtl[NOCRYPTO] */ dmfc2 t1, 0x0240 dmfc2 t2, 0x0241 ori v1, v1, 0x9500 /* lowest OCTEON III PrId*/ dmfc2 t3, 0x0242 subu v1, v0, v1 /* prid - lowest OCTEON III PrId */ dmfc2 t0, 0x0243 sd t1, OCTEON_CP2_HSH_DATW(a0) dmfc2 t1, 0x0244 sd t2, OCTEON_CP2_HSH_DATW+8(a0) dmfc2 t2, 0x0245 sd t3, OCTEON_CP2_HSH_DATW+16(a0) dmfc2 t3, 0x0246 sd t0, OCTEON_CP2_HSH_DATW+24(a0) dmfc2 t0, 0x0247 sd t1, OCTEON_CP2_HSH_DATW+32(a0) dmfc2 t1, 0x0248 sd t2, OCTEON_CP2_HSH_DATW+40(a0) dmfc2 t2, 0x0249 sd t3, OCTEON_CP2_HSH_DATW+48(a0) dmfc2 t3, 0x024A sd t0, OCTEON_CP2_HSH_DATW+56(a0) dmfc2 t0, 0x024B sd t1, OCTEON_CP2_HSH_DATW+64(a0) dmfc2 t1, 0x024C sd t2, OCTEON_CP2_HSH_DATW+72(a0) dmfc2 t2, 0x024D sd t3, OCTEON_CP2_HSH_DATW+80(a0) dmfc2 t3, 0x024E sd t0, OCTEON_CP2_HSH_DATW+88(a0) dmfc2 t0, 0x0250 sd t1, OCTEON_CP2_HSH_DATW+96(a0) dmfc2 t1, 0x0251 sd t2, OCTEON_CP2_HSH_DATW+104(a0) dmfc2 t2, 0x0252 sd t3, OCTEON_CP2_HSH_DATW+112(a0) dmfc2 t3, 0x0253 sd t0, OCTEON_CP2_HSH_IVW(a0) dmfc2 t0, 0x0254 sd t1, OCTEON_CP2_HSH_IVW+8(a0) dmfc2 t1, 0x0255 sd t2, OCTEON_CP2_HSH_IVW+16(a0) dmfc2 t2, 0x0256 sd t3, OCTEON_CP2_HSH_IVW+24(a0) dmfc2 t3, 0x0257 sd t0, OCTEON_CP2_HSH_IVW+32(a0) dmfc2 t0, 0x0258 sd t1, OCTEON_CP2_HSH_IVW+40(a0) dmfc2 t1, 0x0259 sd t2, OCTEON_CP2_HSH_IVW+48(a0) dmfc2 t2, 0x025E sd t3, OCTEON_CP2_HSH_IVW+56(a0) dmfc2 t3, 0x025A sd t0, OCTEON_CP2_GFM_MULT(a0) dmfc2 t0, 0x025B sd t1, OCTEON_CP2_GFM_MULT+8(a0) sd t2, OCTEON_CP2_GFM_POLY(a0) sd t3, OCTEON_CP2_GFM_RESULT(a0) bltz v1, 4f sd t0, OCTEON_CP2_GFM_RESULT+8(a0) /* OCTEON III things*/ dmfc2 t0, 0x024F dmfc2 t1, 0x0050 sd t0, OCTEON_CP2_SHA3(a0) sd t1, OCTEON_CP2_SHA3+8(a0) 4: jr ra nop 2: /* pass 1 special stuff when !CvmCtl[NOCRYPTO] */ dmfc2 t3, 0x0040 dmfc2 t0, 0x0041 dmfc2 t1, 0x0042 dmfc2 t2, 0x0043 sd t3, OCTEON_CP2_HSH_DATW(a0) dmfc2 t3, 0x0044 sd t0, OCTEON_CP2_HSH_DATW+8(a0) dmfc2 t0, 0x0045 sd t1, OCTEON_CP2_HSH_DATW+16(a0) dmfc2 t1, 0x0046 sd t2, OCTEON_CP2_HSH_DATW+24(a0) dmfc2 t2, 0x0048 sd t3, OCTEON_CP2_HSH_DATW+32(a0) dmfc2 t3, 0x0049 sd t0, OCTEON_CP2_HSH_DATW+40(a0) dmfc2 t0, 0x004A sd t1, OCTEON_CP2_HSH_DATW+48(a0) sd t2, OCTEON_CP2_HSH_IVW(a0) sd t3, OCTEON_CP2_HSH_IVW+8(a0) sd t0, OCTEON_CP2_HSH_IVW+16(a0) 3: /* pass 1 or CvmCtl[NOCRYPTO] set */ jr ra nop END(octeon_cop2_save) .set pop /* * void octeon_cop2_restore(struct octeon_cop2_state *a0) */ .align 7 .set push .set noreorder LEAF(octeon_cop2_restore) /* First cache line was prefetched before the call */ pref 4, 128(a0) dmfc0 t9, $9,7 /* CvmCtl register. */ pref 4, 256(a0) ld t0, OCTEON_CP2_CRC_IV(a0) pref 4, 384(a0) ld t1, OCTEON_CP2_CRC_LENGTH(a0) ld t2, OCTEON_CP2_CRC_POLY(a0) /* Restore the COP2 CRC state */ dmtc2 t0, 0x0201 dmtc2 t1, 0x1202 bbit1 t9, 28, 2f /* Skip LLM if CvmCtl[NODFA_CP2] is set */ dmtc2 t2, 0x4200 /* Restore the LLM state */ ld t0, OCTEON_CP2_LLM_DAT(a0) ld t1, OCTEON_CP2_LLM_DAT+8(a0) dmtc2 t0, 0x0402 dmtc2 t1, 0x040A 2: bbit1 t9, 26, done_restore /* done if CvmCtl[NOCRYPTO] set */ nop /* Restore the COP2 crypto state common to pass 1 and pass 2 */ ld t0, OCTEON_CP2_3DES_IV(a0) ld t1, OCTEON_CP2_3DES_KEY(a0) ld t2, OCTEON_CP2_3DES_KEY+8(a0) dmtc2 t0, 0x0084 ld t0, OCTEON_CP2_3DES_KEY+16(a0) dmtc2 t1, 0x0080 ld t1, OCTEON_CP2_3DES_RESULT(a0) dmtc2 t2, 0x0081 ld t2, OCTEON_CP2_AES_INP0(a0) /* only really needed for pass 1 */ dmtc2 t0, 0x0082 ld t0, OCTEON_CP2_AES_IV(a0) dmtc2 t1, 0x0098 ld t1, OCTEON_CP2_AES_IV+8(a0) dmtc2 t2, 0x010A /* only really needed for pass 1 */ ld t2, OCTEON_CP2_AES_KEY(a0) dmtc2 t0, 0x0102 ld t0, OCTEON_CP2_AES_KEY+8(a0) dmtc2 t1, 0x0103 ld t1, OCTEON_CP2_AES_KEY+16(a0) dmtc2 t2, 0x0104 ld t2, OCTEON_CP2_AES_KEY+24(a0) dmtc2 t0, 0x0105 ld t0, OCTEON_CP2_AES_KEYLEN(a0) dmtc2 t1, 0x0106 ld t1, OCTEON_CP2_AES_RESULT(a0) dmtc2 t2, 0x0107 ld t2, OCTEON_CP2_AES_RESULT+8(a0) mfc0 t3, $15,0 /* Get the processor ID register */ dmtc2 t0, 0x0110 li v0, 0x000d0000 /* This is the processor ID of Octeon Pass1 */ dmtc2 t1, 0x0100 bne v0, t3, 3f /* Skip the next stuff for non-pass1 */ dmtc2 t2, 0x0101 /* this code is specific for pass 1 */ ld t0, OCTEON_CP2_HSH_DATW(a0) ld t1, OCTEON_CP2_HSH_DATW+8(a0) ld t2, OCTEON_CP2_HSH_DATW+16(a0) dmtc2 t0, 0x0040 ld t0, OCTEON_CP2_HSH_DATW+24(a0) dmtc2 t1, 0x0041 ld t1, OCTEON_CP2_HSH_DATW+32(a0) dmtc2 t2, 0x0042 ld t2, OCTEON_CP2_HSH_DATW+40(a0) dmtc2 t0, 0x0043 ld t0, OCTEON_CP2_HSH_DATW+48(a0) dmtc2 t1, 0x0044 ld t1, OCTEON_CP2_HSH_IVW(a0) dmtc2 t2, 0x0045 ld t2, OCTEON_CP2_HSH_IVW+8(a0) dmtc2 t0, 0x0046 ld t0, OCTEON_CP2_HSH_IVW+16(a0) dmtc2 t1, 0x0048 dmtc2 t2, 0x0049 b done_restore /* unconditional branch */ dmtc2 t0, 0x004A 3: /* this is post-pass1 code */ ld t2, OCTEON_CP2_HSH_DATW(a0) ori v0, v0, 0x9500 /* lowest OCTEON III PrId*/ ld t0, OCTEON_CP2_HSH_DATW+8(a0) ld t1, OCTEON_CP2_HSH_DATW+16(a0) dmtc2 t2, 0x0240 ld t2, OCTEON_CP2_HSH_DATW+24(a0) dmtc2 t0, 0x0241 ld t0, OCTEON_CP2_HSH_DATW+32(a0) dmtc2 t1, 0x0242 ld t1, OCTEON_CP2_HSH_DATW+40(a0) dmtc2 t2, 0x0243 ld t2, OCTEON_CP2_HSH_DATW+48(a0) dmtc2 t0, 0x0244 ld t0, OCTEON_CP2_HSH_DATW+56(a0) dmtc2 t1, 0x0245 ld t1, OCTEON_CP2_HSH_DATW+64(a0) dmtc2 t2, 0x0246 ld t2, OCTEON_CP2_HSH_DATW+72(a0) dmtc2 t0, 0x0247 ld t0, OCTEON_CP2_HSH_DATW+80(a0) dmtc2 t1, 0x0248 ld t1, OCTEON_CP2_HSH_DATW+88(a0) dmtc2 t2, 0x0249 ld t2, OCTEON_CP2_HSH_DATW+96(a0) dmtc2 t0, 0x024A ld t0, OCTEON_CP2_HSH_DATW+104(a0) dmtc2 t1, 0x024B ld t1, OCTEON_CP2_HSH_DATW+112(a0) dmtc2 t2, 0x024C ld t2, OCTEON_CP2_HSH_IVW(a0) dmtc2 t0, 0x024D ld t0, OCTEON_CP2_HSH_IVW+8(a0) dmtc2 t1, 0x024E ld t1, OCTEON_CP2_HSH_IVW+16(a0) dmtc2 t2, 0x0250 ld t2, OCTEON_CP2_HSH_IVW+24(a0) dmtc2 t0, 0x0251 ld t0, OCTEON_CP2_HSH_IVW+32(a0) dmtc2 t1, 0x0252 ld t1, OCTEON_CP2_HSH_IVW+40(a0) dmtc2 t2, 0x0253 ld t2, OCTEON_CP2_HSH_IVW+48(a0) dmtc2 t0, 0x0254 ld t0, OCTEON_CP2_HSH_IVW+56(a0) dmtc2 t1, 0x0255 ld t1, OCTEON_CP2_GFM_MULT(a0) dmtc2 t2, 0x0256 ld t2, OCTEON_CP2_GFM_MULT+8(a0) dmtc2 t0, 0x0257 ld t0, OCTEON_CP2_GFM_POLY(a0) dmtc2 t1, 0x0258 ld t1, OCTEON_CP2_GFM_RESULT(a0) dmtc2 t2, 0x0259 ld t2, OCTEON_CP2_GFM_RESULT+8(a0) dmtc2 t0, 0x025E subu v0, t3, v0 /* prid - lowest OCTEON III PrId */ dmtc2 t1, 0x025A bltz v0, done_restore dmtc2 t2, 0x025B /* OCTEON III things*/ ld t0, OCTEON_CP2_SHA3(a0) ld t1, OCTEON_CP2_SHA3+8(a0) dmtc2 t0, 0x0051 dmtc2 t1, 0x0050 done_restore: jr ra nop END(octeon_cop2_restore) .set pop /* * void octeon_mult_save() * sp is assumed to point to a struct pt_regs * * NOTE: This is called in SAVE_TEMP in stackframe.h. It can * safely modify v1,k0, k1,$10-$15, and $24. It will * be overwritten with a processor specific version of the code. */ .p2align 7 .set push .set noreorder LEAF(octeon_mult_save) jr ra nop .space 30 * 4, 0 EXPORT(octeon_mult_save_end) END(octeon_mult_save) LEAF(octeon_mult_save2) /* Save the multiplier state OCTEON II and earlier*/ v3mulu k0, $0, $0 v3mulu k1, $0, $0 sd k0, PT_MTP(sp) /* PT_MTP has P0 */ v3mulu k0, $0, $0 sd k1, PT_MTP+8(sp) /* PT_MTP+8 has P1 */ ori k1, $0, 1 v3mulu k1, k1, $0 sd k0, PT_MTP+16(sp) /* PT_MTP+16 has P2 */ v3mulu k0, $0, $0 sd k1, PT_MPL(sp) /* PT_MPL has MPL0 */ v3mulu k1, $0, $0 sd k0, PT_MPL+8(sp) /* PT_MPL+8 has MPL1 */ jr ra sd k1, PT_MPL+16(sp) /* PT_MPL+16 has MPL2 */ EXPORT(octeon_mult_save2_end) END(octeon_mult_save2) LEAF(octeon_mult_save3) /* Save the multiplier state OCTEON III */ v3mulu $10, $0, $0 /* read P0 */ v3mulu $11, $0, $0 /* read P1 */ v3mulu $12, $0, $0 /* read P2 */ sd $10, PT_MTP+(0*8)(sp) /* store P0 */ v3mulu $10, $0, $0 /* read P3 */ sd $11, PT_MTP+(1*8)(sp) /* store P1 */ v3mulu $11, $0, $0 /* read P4 */ sd $12, PT_MTP+(2*8)(sp) /* store P2 */ ori $13, $0, 1 v3mulu $12, $0, $0 /* read P5 */ sd $10, PT_MTP+(3*8)(sp) /* store P3 */ v3mulu $13, $13, $0 /* P4-P0 = MPL5-MPL1, $13 = MPL0 */ sd $11, PT_MTP+(4*8)(sp) /* store P4 */ v3mulu $10, $0, $0 /* read MPL1 */ sd $12, PT_MTP+(5*8)(sp) /* store P5 */ v3mulu $11, $0, $0 /* read MPL2 */ sd $13, PT_MPL+(0*8)(sp) /* store MPL0 */ v3mulu $12, $0, $0 /* read MPL3 */ sd $10, PT_MPL+(1*8)(sp) /* store MPL1 */ v3mulu $10, $0, $0 /* read MPL4 */ sd $11, PT_MPL+(2*8)(sp) /* store MPL2 */ v3mulu $11, $0, $0 /* read MPL5 */ sd $12, PT_MPL+(3*8)(sp) /* store MPL3 */ sd $10, PT_MPL+(4*8)(sp) /* store MPL4 */ jr ra sd $11, PT_MPL+(5*8)(sp) /* store MPL5 */ EXPORT(octeon_mult_save3_end) END(octeon_mult_save3) .set pop /* * void octeon_mult_restore() * sp is assumed to point to a struct pt_regs * * NOTE: This is called in RESTORE_TEMP in stackframe.h. */ .p2align 7 .set push .set noreorder LEAF(octeon_mult_restore) jr ra nop .space 30 * 4, 0 EXPORT(octeon_mult_restore_end) END(octeon_mult_restore) LEAF(octeon_mult_restore2) ld v0, PT_MPL(sp) /* MPL0 */ ld v1, PT_MPL+8(sp) /* MPL1 */ ld k0, PT_MPL+16(sp) /* MPL2 */ /* Restore the multiplier state */ ld k1, PT_MTP+16(sp) /* P2 */ mtm0 v0 /* MPL0 */ ld v0, PT_MTP+8(sp) /* P1 */ mtm1 v1 /* MPL1 */ ld v1, PT_MTP(sp) /* P0 */ mtm2 k0 /* MPL2 */ mtp2 k1 /* P2 */ mtp1 v0 /* P1 */ jr ra mtp0 v1 /* P0 */ EXPORT(octeon_mult_restore2_end) END(octeon_mult_restore2) LEAF(octeon_mult_restore3) ld $12, PT_MPL+(0*8)(sp) /* read MPL0 */ ld $13, PT_MPL+(3*8)(sp) /* read MPL3 */ ld $10, PT_MPL+(1*8)(sp) /* read MPL1 */ ld $11, PT_MPL+(4*8)(sp) /* read MPL4 */ .word 0x718d0008 /* mtm0 $12, $13 restore MPL0 and MPL3 */ ld $12, PT_MPL+(2*8)(sp) /* read MPL2 */ .word 0x714b000c /* mtm1 $10, $11 restore MPL1 and MPL4 */ ld $13, PT_MPL+(5*8)(sp) /* read MPL5 */ ld $10, PT_MTP+(0*8)(sp) /* read P0 */ ld $11, PT_MTP+(3*8)(sp) /* read P3 */ .word 0x718d000d /* mtm2 $12, $13 restore MPL2 and MPL5 */ ld $12, PT_MTP+(1*8)(sp) /* read P1 */ .word 0x714b0009 /* mtp0 $10, $11 restore P0 and P3 */ ld $13, PT_MTP+(4*8)(sp) /* read P4 */ ld $10, PT_MTP+(2*8)(sp) /* read P2 */ ld $11, PT_MTP+(5*8)(sp) /* read P5 */ .word 0x718d000a /* mtp1 $12, $13 restore P1 and P4 */ jr ra .word 0x714b000b /* mtp2 $10, $11 restore P2 and P5 */ EXPORT(octeon_mult_restore3_end) END(octeon_mult_restore3) .set pop |