1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle 7 * Copyright (C) 2000 Silicon Graphics, Inc. 8 * Modified for further R[236]000 support by Paul M. Antoine, 1996. 9 * Kevin D. Kissell, kevink@mips.com and Carsten Langgaard, carstenl@mips.com 10 * Copyright (C) 2000, 07 MIPS Technologies, Inc. 11 * Copyright (C) 2003, 2004 Maciej W. Rozycki 12 */ 13 #ifndef _ASM_MIPSREGS_H 14 #define _ASM_MIPSREGS_H 15 16 #include <linux/linkage.h> 17 #include <linux/types.h> 18 #include <asm/hazards.h> 19 #include <asm/isa-rev.h> 20 21 /* 22 * The following macros are especially useful for __asm__ 23 * inline assembler. 24 */ 25 #ifndef __STR 26 #define __STR(x) #x 27 #endif 28 #ifndef STR 29 #define STR(x) __STR(x) 30 #endif 31 32 /* 33 * Configure language 34 */ 35 #ifdef __ASSEMBLY__ 36 #define _ULCAST_ 37 #define _U64CAST_ 38 #else 39 #define _ULCAST_ (unsigned long) 40 #define _U64CAST_ (u64) 41 #endif 42 43 /* 44 * Coprocessor 0 register names 45 * 46 * CP0_REGISTER variant is meant to be used in assembly code, C0_REGISTER 47 * variant is meant to be used in C (uasm) code. 48 */ 49 #define CP0_INDEX $0 50 #define C0_INDEX 0, 0 51 52 #define CP0_RANDOM $1 53 #define C0_RANDOM 1, 0 54 55 #define CP0_ENTRYLO0 $2 56 #define C0_ENTRYLO0 2, 0 57 58 #define CP0_ENTRYLO1 $3 59 #define C0_ENTRYLO1 3, 0 60 61 #define CP0_CONF $3 62 #define C0_CONF 3, 0 63 64 #define CP0_GLOBALNUMBER $3, 1 65 #define C0_GLOBALNUMBER 3, 1 66 67 #define CP0_CONTEXT $4 68 #define C0_CONTEXT 4, 0 69 70 #define CP0_PAGEMASK $5 71 #define C0_PAGEMASK 5, 0 72 73 #define CP0_PAGEGRAIN $5, 1 74 #define C0_PAGEGRAIN 5, 1 75 76 #define CP0_SEGCTL0 $5, 2 77 #define C0_SEGCTL0 5, 2 78 79 #define CP0_SEGCTL1 $5, 3 80 #define C0_SEGCTL1 5, 3 81 82 #define CP0_SEGCTL2 $5, 4 83 #define C0_SEGCTL2 5, 4 84 85 #define CP0_PWBASE $5, 5 86 #define C0_PWBASE 5, 5 87 88 #define CP0_PWFIELD $5, 6 89 #define C0_PWFIELD 5, 6 90 91 #define CP0_PWCTL $5, 7 92 #define C0_PWCTL 5, 7 93 94 #define CP0_WIRED $6 95 #define C0_WIRED 6, 0 96 97 #define CP0_INFO $7 98 #define C0_INFO 7, 0 99 100 #define CP0_HWRENA $7 101 #define C0_HWRENA 7, 0 102 103 #define CP0_BADVADDR $8 104 #define C0_BADVADDR 8, 0 105 106 #define CP0_BADINSTR $8, 1 107 #define C0_BADINSTR 8, 1 108 109 #define CP0_BADINSTRP $8, 2 110 #define C0_BADINSTRP 8, 2 111 112 #define CP0_COUNT $9 113 #define C0_COUNT 9, 0 114 115 #define CP0_PGD $9, 7 116 #define C0_PGD 9, 7 117 118 #define CP0_ENTRYHI $10 119 #define C0_ENTRYHI 10, 0 120 121 #define CP0_GUESTCTL1 $10, 4 122 #define C0_GUESTCTL1 10, 5 123 124 #define CP0_GUESTCTL2 $10, 5 125 #define C0_GUESTCTL2 10, 5 126 127 #define CP0_GUESTCTL3 $10, 6 128 #define C0_GUESTCTL3 10, 6 129 130 #define CP0_COMPARE $11 131 #define C0_COMPARE 11, 0 132 133 #define CP0_GUESTCTL0EXT $11, 4 134 #define C0_GUESTCTL0EXT 11, 4 135 136 #define CP0_STATUS $12 137 #define C0_STATUS 12, 0 138 139 #define CP0_GUESTCTL0 $12, 6 140 #define C0_GUESTCTL0 12, 6 141 142 #define CP0_GTOFFSET $12, 7 143 #define C0_GTOFFSET 12, 7 144 145 #define CP0_CAUSE $13 146 #define C0_CAUSE 13, 0 147 148 #define CP0_EPC $14 149 #define C0_EPC 14, 0 150 151 #define CP0_PRID $15 152 #define C0_PRID 15, 0 153 154 #define CP0_EBASE $15, 1 155 #define C0_EBASE 15, 1 156 157 #define CP0_CMGCRBASE $15, 3 158 #define C0_CMGCRBASE 15, 3 159 160 #define CP0_CONFIG $16 161 #define C0_CONFIG 16, 0 162 163 #define CP0_CONFIG1 $16, 1 164 #define C0_CONFIG1 16, 1 165 166 #define CP0_CONFIG2 $16, 2 167 #define C0_CONFIG2 16, 2 168 169 #define CP0_CONFIG3 $16, 3 170 #define C0_CONFIG3 16, 3 171 172 #define CP0_CONFIG4 $16, 4 173 #define C0_CONFIG4 16, 4 174 175 #define CP0_CONFIG5 $16, 5 176 #define C0_CONFIG5 16, 5 177 178 #define CP0_CONFIG6 $16, 6 179 #define C0_CONFIG6 16, 6 180 181 #define CP0_LLADDR $17 182 #define C0_LLADDR 17, 0 183 184 #define CP0_WATCHLO $18 185 #define C0_WATCHLO 18, 0 186 187 #define CP0_WATCHHI $19 188 #define C0_WATCHHI 19, 0 189 190 #define CP0_XCONTEXT $20 191 #define C0_XCONTEXT 20, 0 192 193 #define CP0_FRAMEMASK $21 194 #define C0_FRAMEMASK 21, 0 195 196 #define CP0_DIAGNOSTIC $22 197 #define C0_DIAGNOSTIC 22, 0 198 199 #define CP0_DIAGNOSTIC1 $22, 1 200 #define C0_DIAGNOSTIC1 22, 1 201 202 #define CP0_DEBUG $23 203 #define C0_DEBUG 23, 0 204 205 #define CP0_DEPC $24 206 #define C0_DEPC 24, 0 207 208 #define CP0_PERFORMANCE $25 209 #define C0_PERFORMANCE 25, 0 210 211 #define CP0_ECC $26 212 #define C0_ECC 26, 0 213 214 #define CP0_CACHEERR $27 215 #define C0_CACHEERR 27, 0 216 217 #define CP0_TAGLO $28 218 #define C0_TAGLO 28, 0 219 220 #define CP0_DTAGLO $28, 2 221 #define C0_DTAGLO 28, 2 222 223 #define CP0_DDATALO $28, 3 224 #define C0_DDATALO 28, 3 225 226 #define CP0_STAGLO $28, 4 227 #define C0_STAGLO 28, 4 228 229 #define CP0_TAGHI $29 230 #define C0_TAGHI 29, 0 231 232 #define CP0_ERROREPC $30 233 #define C0_ERROREPC 30, 0 234 235 #define CP0_DESAVE $31 236 #define C0_DESAVE 31, 0 237 238 /* 239 * R4640/R4650 cp0 register names. These registers are listed 240 * here only for completeness; without MMU these CPUs are not usable 241 * by Linux. A future ELKS port might take make Linux run on them 242 * though ... 243 */ 244 #define CP0_IBASE $0 245 #define CP0_IBOUND $1 246 #define CP0_DBASE $2 247 #define CP0_DBOUND $3 248 #define CP0_CALG $17 249 #define CP0_IWATCH $18 250 #define CP0_DWATCH $19 251 252 /* 253 * Coprocessor 0 Set 1 register names 254 */ 255 #define CP0_S1_DERRADDR0 $26 256 #define CP0_S1_DERRADDR1 $27 257 #define CP0_S1_INTCONTROL $20 258 259 /* 260 * Coprocessor 0 Set 2 register names 261 */ 262 #define CP0_S2_SRSCTL $12 /* MIPSR2 */ 263 264 /* 265 * Coprocessor 0 Set 3 register names 266 */ 267 #define CP0_S3_SRSMAP $12 /* MIPSR2 */ 268 269 /* 270 * TX39 Series 271 */ 272 #define CP0_TX39_CACHE $7 273 274 275 /* Generic EntryLo bit definitions */ 276 #define ENTRYLO_G (_ULCAST_(1) << 0) 277 #define ENTRYLO_V (_ULCAST_(1) << 1) 278 #define ENTRYLO_D (_ULCAST_(1) << 2) 279 #define ENTRYLO_C_SHIFT 3 280 #define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT) 281 282 /* R3000 EntryLo bit definitions */ 283 #define R3K_ENTRYLO_G (_ULCAST_(1) << 8) 284 #define R3K_ENTRYLO_V (_ULCAST_(1) << 9) 285 #define R3K_ENTRYLO_D (_ULCAST_(1) << 10) 286 #define R3K_ENTRYLO_N (_ULCAST_(1) << 11) 287 288 /* MIPS32/64 EntryLo bit definitions */ 289 #define MIPS_ENTRYLO_PFN_SHIFT 6 290 #define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2)) 291 #define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1)) 292 293 /* 294 * MIPSr6+ GlobalNumber register definitions 295 */ 296 #define MIPS_GLOBALNUMBER_VP_SHF 0 297 #define MIPS_GLOBALNUMBER_VP (_ULCAST_(0xff) << MIPS_GLOBALNUMBER_VP_SHF) 298 #define MIPS_GLOBALNUMBER_CORE_SHF 8 299 #define MIPS_GLOBALNUMBER_CORE (_ULCAST_(0xff) << MIPS_GLOBALNUMBER_CORE_SHF) 300 #define MIPS_GLOBALNUMBER_CLUSTER_SHF 16 301 #define MIPS_GLOBALNUMBER_CLUSTER (_ULCAST_(0xf) << MIPS_GLOBALNUMBER_CLUSTER_SHF) 302 303 /* 304 * Values for PageMask register 305 */ 306 #define PM_4K 0x00000000 307 #define PM_8K 0x00002000 308 #define PM_16K 0x00006000 309 #define PM_32K 0x0000e000 310 #define PM_64K 0x0001e000 311 #define PM_128K 0x0003e000 312 #define PM_256K 0x0007e000 313 #define PM_512K 0x000fe000 314 #define PM_1M 0x001fe000 315 #define PM_2M 0x003fe000 316 #define PM_4M 0x007fe000 317 #define PM_8M 0x00ffe000 318 #define PM_16M 0x01ffe000 319 #define PM_32M 0x03ffe000 320 #define PM_64M 0x07ffe000 321 #define PM_256M 0x1fffe000 322 #define PM_1G 0x7fffe000 323 324 /* 325 * Default page size for a given kernel configuration 326 */ 327 #ifdef CONFIG_PAGE_SIZE_4KB 328 #define PM_DEFAULT_MASK PM_4K 329 #elif defined(CONFIG_PAGE_SIZE_8KB) 330 #define PM_DEFAULT_MASK PM_8K 331 #elif defined(CONFIG_PAGE_SIZE_16KB) 332 #define PM_DEFAULT_MASK PM_16K 333 #elif defined(CONFIG_PAGE_SIZE_32KB) 334 #define PM_DEFAULT_MASK PM_32K 335 #elif defined(CONFIG_PAGE_SIZE_64KB) 336 #define PM_DEFAULT_MASK PM_64K 337 #else 338 #error Bad page size configuration! 339 #endif 340 341 /* 342 * Default huge tlb size for a given kernel configuration 343 */ 344 #ifdef CONFIG_PAGE_SIZE_4KB 345 #define PM_HUGE_MASK PM_1M 346 #elif defined(CONFIG_PAGE_SIZE_8KB) 347 #define PM_HUGE_MASK PM_4M 348 #elif defined(CONFIG_PAGE_SIZE_16KB) 349 #define PM_HUGE_MASK PM_16M 350 #elif defined(CONFIG_PAGE_SIZE_32KB) 351 #define PM_HUGE_MASK PM_64M 352 #elif defined(CONFIG_PAGE_SIZE_64KB) 353 #define PM_HUGE_MASK PM_256M 354 #elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) 355 #error Bad page size configuration for hugetlbfs! 356 #endif 357 358 /* 359 * Wired register bits 360 */ 361 #define MIPSR6_WIRED_LIMIT_SHIFT 16 362 #define MIPSR6_WIRED_LIMIT (_ULCAST_(0xffff) << MIPSR6_WIRED_LIMIT_SHIFT) 363 #define MIPSR6_WIRED_WIRED_SHIFT 0 364 #define MIPSR6_WIRED_WIRED (_ULCAST_(0xffff) << MIPSR6_WIRED_WIRED_SHIFT) 365 366 /* 367 * Values used for computation of new tlb entries 368 */ 369 #define PL_4K 12 370 #define PL_16K 14 371 #define PL_64K 16 372 #define PL_256K 18 373 #define PL_1M 20 374 #define PL_4M 22 375 #define PL_16M 24 376 #define PL_64M 26 377 #define PL_256M 28 378 379 /* 380 * PageGrain bits 381 */ 382 #define PG_RIE (_ULCAST_(1) << 31) 383 #define PG_XIE (_ULCAST_(1) << 30) 384 #define PG_ELPA (_ULCAST_(1) << 29) 385 #define PG_ESP (_ULCAST_(1) << 28) 386 #define PG_IEC (_ULCAST_(1) << 27) 387 388 /* MIPS32/64 EntryHI bit definitions */ 389 #define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10) 390 #define MIPS_ENTRYHI_ASIDX (_ULCAST_(0x3) << 8) 391 #define MIPS_ENTRYHI_ASID (_ULCAST_(0xff) << 0) 392 393 /* 394 * R4x00 interrupt enable / cause bits 395 */ 396 #define IE_SW0 (_ULCAST_(1) << 8) 397 #define IE_SW1 (_ULCAST_(1) << 9) 398 #define IE_IRQ0 (_ULCAST_(1) << 10) 399 #define IE_IRQ1 (_ULCAST_(1) << 11) 400 #define IE_IRQ2 (_ULCAST_(1) << 12) 401 #define IE_IRQ3 (_ULCAST_(1) << 13) 402 #define IE_IRQ4 (_ULCAST_(1) << 14) 403 #define IE_IRQ5 (_ULCAST_(1) << 15) 404 405 /* 406 * R4x00 interrupt cause bits 407 */ 408 #define C_SW0 (_ULCAST_(1) << 8) 409 #define C_SW1 (_ULCAST_(1) << 9) 410 #define C_IRQ0 (_ULCAST_(1) << 10) 411 #define C_IRQ1 (_ULCAST_(1) << 11) 412 #define C_IRQ2 (_ULCAST_(1) << 12) 413 #define C_IRQ3 (_ULCAST_(1) << 13) 414 #define C_IRQ4 (_ULCAST_(1) << 14) 415 #define C_IRQ5 (_ULCAST_(1) << 15) 416 417 /* 418 * Bitfields in the R4xx0 cp0 status register 419 */ 420 #define ST0_IE 0x00000001 421 #define ST0_EXL 0x00000002 422 #define ST0_ERL 0x00000004 423 #define ST0_KSU 0x00000018 424 # define KSU_USER 0x00000010 425 # define KSU_SUPERVISOR 0x00000008 426 # define KSU_KERNEL 0x00000000 427 #define ST0_UX 0x00000020 428 #define ST0_SX 0x00000040 429 #define ST0_KX 0x00000080 430 #define ST0_DE 0x00010000 431 #define ST0_CE 0x00020000 432 433 #ifdef CONFIG_64BIT 434 #define ST0_KX_IF_64 ST0_KX 435 #else 436 #define ST0_KX_IF_64 0 437 #endif 438 439 /* 440 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate 441 * cacheops in userspace. This bit exists only on RM7000 and RM9000 442 * processors. 443 */ 444 #define ST0_CO 0x08000000 445 446 /* 447 * Bitfields in the R[23]000 cp0 status register. 448 */ 449 #define ST0_IEC 0x00000001 450 #define ST0_KUC 0x00000002 451 #define ST0_IEP 0x00000004 452 #define ST0_KUP 0x00000008 453 #define ST0_IEO 0x00000010 454 #define ST0_KUO 0x00000020 455 /* bits 6 & 7 are reserved on R[23]000 */ 456 #define ST0_ISC 0x00010000 457 #define ST0_SWC 0x00020000 458 #define ST0_CM 0x00080000 459 460 /* 461 * Bits specific to the R4640/R4650 462 */ 463 #define ST0_UM (_ULCAST_(1) << 4) 464 #define ST0_IL (_ULCAST_(1) << 23) 465 #define ST0_DL (_ULCAST_(1) << 24) 466 467 /* 468 * Enable the MIPS MDMX and DSP ASEs 469 */ 470 #define ST0_MX 0x01000000 471 472 /* 473 * Status register bits available in all MIPS CPUs. 474 */ 475 #define ST0_IM 0x0000ff00 476 #define STATUSB_IP0 8 477 #define STATUSF_IP0 (_ULCAST_(1) << 8) 478 #define STATUSB_IP1 9 479 #define STATUSF_IP1 (_ULCAST_(1) << 9) 480 #define STATUSB_IP2 10 481 #define STATUSF_IP2 (_ULCAST_(1) << 10) 482 #define STATUSB_IP3 11 483 #define STATUSF_IP3 (_ULCAST_(1) << 11) 484 #define STATUSB_IP4 12 485 #define STATUSF_IP4 (_ULCAST_(1) << 12) 486 #define STATUSB_IP5 13 487 #define STATUSF_IP5 (_ULCAST_(1) << 13) 488 #define STATUSB_IP6 14 489 #define STATUSF_IP6 (_ULCAST_(1) << 14) 490 #define STATUSB_IP7 15 491 #define STATUSF_IP7 (_ULCAST_(1) << 15) 492 #define STATUSB_IP8 0 493 #define STATUSF_IP8 (_ULCAST_(1) << 0) 494 #define STATUSB_IP9 1 495 #define STATUSF_IP9 (_ULCAST_(1) << 1) 496 #define STATUSB_IP10 2 497 #define STATUSF_IP10 (_ULCAST_(1) << 2) 498 #define STATUSB_IP11 3 499 #define STATUSF_IP11 (_ULCAST_(1) << 3) 500 #define STATUSB_IP12 4 501 #define STATUSF_IP12 (_ULCAST_(1) << 4) 502 #define STATUSB_IP13 5 503 #define STATUSF_IP13 (_ULCAST_(1) << 5) 504 #define STATUSB_IP14 6 505 #define STATUSF_IP14 (_ULCAST_(1) << 6) 506 #define STATUSB_IP15 7 507 #define STATUSF_IP15 (_ULCAST_(1) << 7) 508 #define ST0_CH 0x00040000 509 #define ST0_NMI 0x00080000 510 #define ST0_SR 0x00100000 511 #define ST0_TS 0x00200000 512 #define ST0_BEV 0x00400000 513 #define ST0_RE 0x02000000 514 #define ST0_FR 0x04000000 515 #define ST0_CU 0xf0000000 516 #define ST0_CU0 0x10000000 517 #define ST0_CU1 0x20000000 518 #define ST0_CU2 0x40000000 519 #define ST0_CU3 0x80000000 520 #define ST0_XX 0x80000000 /* MIPS IV naming */ 521 522 /* in-kernel enabled CUs */ 523 #ifdef CONFIG_CPU_LOONGSON64 524 #define ST0_KERNEL_CUMASK (ST0_CU0 | ST0_CU2) 525 #else 526 #define ST0_KERNEL_CUMASK ST0_CU0 527 #endif 528 529 /* 530 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2) 531 */ 532 #define INTCTLB_IPFDC 23 533 #define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC) 534 #define INTCTLB_IPPCI 26 535 #define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI) 536 #define INTCTLB_IPTI 29 537 #define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI) 538 539 /* 540 * Bitfields and bit numbers in the coprocessor 0 cause register. 541 * 542 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation. 543 */ 544 #define CAUSEB_EXCCODE 2 545 #define CAUSEF_EXCCODE (_ULCAST_(31) << 2) 546 #define CAUSEB_IP 8 547 #define CAUSEF_IP (_ULCAST_(255) << 8) 548 #define CAUSEB_IP0 8 549 #define CAUSEF_IP0 (_ULCAST_(1) << 8) 550 #define CAUSEB_IP1 9 551 #define CAUSEF_IP1 (_ULCAST_(1) << 9) 552 #define CAUSEB_IP2 10 553 #define CAUSEF_IP2 (_ULCAST_(1) << 10) 554 #define CAUSEB_IP3 11 555 #define CAUSEF_IP3 (_ULCAST_(1) << 11) 556 #define CAUSEB_IP4 12 557 #define CAUSEF_IP4 (_ULCAST_(1) << 12) 558 #define CAUSEB_IP5 13 559 #define CAUSEF_IP5 (_ULCAST_(1) << 13) 560 #define CAUSEB_IP6 14 561 #define CAUSEF_IP6 (_ULCAST_(1) << 14) 562 #define CAUSEB_IP7 15 563 #define CAUSEF_IP7 (_ULCAST_(1) << 15) 564 #define CAUSEB_FDCI 21 565 #define CAUSEF_FDCI (_ULCAST_(1) << 21) 566 #define CAUSEB_WP 22 567 #define CAUSEF_WP (_ULCAST_(1) << 22) 568 #define CAUSEB_IV 23 569 #define CAUSEF_IV (_ULCAST_(1) << 23) 570 #define CAUSEB_PCI 26 571 #define CAUSEF_PCI (_ULCAST_(1) << 26) 572 #define CAUSEB_DC 27 573 #define CAUSEF_DC (_ULCAST_(1) << 27) 574 #define CAUSEB_CE 28 575 #define CAUSEF_CE (_ULCAST_(3) << 28) 576 #define CAUSEB_TI 30 577 #define CAUSEF_TI (_ULCAST_(1) << 30) 578 #define CAUSEB_BD 31 579 #define CAUSEF_BD (_ULCAST_(1) << 31) 580 581 /* 582 * Cause.ExcCode trap codes. 583 */ 584 #define EXCCODE_INT 0 /* Interrupt pending */ 585 #define EXCCODE_MOD 1 /* TLB modified fault */ 586 #define EXCCODE_TLBL 2 /* TLB miss on load or ifetch */ 587 #define EXCCODE_TLBS 3 /* TLB miss on a store */ 588 #define EXCCODE_ADEL 4 /* Address error on a load or ifetch */ 589 #define EXCCODE_ADES 5 /* Address error on a store */ 590 #define EXCCODE_IBE 6 /* Bus error on an ifetch */ 591 #define EXCCODE_DBE 7 /* Bus error on a load or store */ 592 #define EXCCODE_SYS 8 /* System call */ 593 #define EXCCODE_BP 9 /* Breakpoint */ 594 #define EXCCODE_RI 10 /* Reserved instruction exception */ 595 #define EXCCODE_CPU 11 /* Coprocessor unusable */ 596 #define EXCCODE_OV 12 /* Arithmetic overflow */ 597 #define EXCCODE_TR 13 /* Trap instruction */ 598 #define EXCCODE_MSAFPE 14 /* MSA floating point exception */ 599 #define EXCCODE_FPE 15 /* Floating point exception */ 600 #define EXCCODE_TLBRI 19 /* TLB Read-Inhibit exception */ 601 #define EXCCODE_TLBXI 20 /* TLB Execution-Inhibit exception */ 602 #define EXCCODE_MSADIS 21 /* MSA disabled exception */ 603 #define EXCCODE_MDMX 22 /* MDMX unusable exception */ 604 #define EXCCODE_WATCH 23 /* Watch address reference */ 605 #define EXCCODE_MCHECK 24 /* Machine check */ 606 #define EXCCODE_THREAD 25 /* Thread exceptions (MT) */ 607 #define EXCCODE_DSPDIS 26 /* DSP disabled exception */ 608 #define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */ 609 #define EXCCODE_CACHEERR 30 /* Parity/ECC occurred on a core */ 610 611 /* Implementation specific trap codes used by MIPS cores */ 612 #define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */ 613 614 /* Implementation specific trap codes used by Loongson cores */ 615 #define LOONGSON_EXCCODE_GSEXC 16 /* Loongson-specific exception */ 616 617 /* 618 * Bits in the coprocessor 0 config register. 619 */ 620 /* Generic bits. */ 621 #define CONF_CM_CACHABLE_NO_WA 0 622 #define CONF_CM_CACHABLE_WA 1 623 #define CONF_CM_UNCACHED 2 624 #define CONF_CM_CACHABLE_NONCOHERENT 3 625 #define CONF_CM_CACHABLE_CE 4 626 #define CONF_CM_CACHABLE_COW 5 627 #define CONF_CM_CACHABLE_CUW 6 628 #define CONF_CM_CACHABLE_ACCELERATED 7 629 #define CONF_CM_CMASK 7 630 #define CONF_BE (_ULCAST_(1) << 15) 631 632 /* Bits common to various processors. */ 633 #define CONF_CU (_ULCAST_(1) << 3) 634 #define CONF_DB (_ULCAST_(1) << 4) 635 #define CONF_IB (_ULCAST_(1) << 5) 636 #define CONF_DC (_ULCAST_(7) << 6) 637 #define CONF_IC (_ULCAST_(7) << 9) 638 #define CONF_EB (_ULCAST_(1) << 13) 639 #define CONF_EM (_ULCAST_(1) << 14) 640 #define CONF_SM (_ULCAST_(1) << 16) 641 #define CONF_SC (_ULCAST_(1) << 17) 642 #define CONF_EW (_ULCAST_(3) << 18) 643 #define CONF_EP (_ULCAST_(15)<< 24) 644 #define CONF_EC (_ULCAST_(7) << 28) 645 #define CONF_CM (_ULCAST_(1) << 31) 646 647 /* Bits specific to the R4xx0. */ 648 #define R4K_CONF_SW (_ULCAST_(1) << 20) 649 #define R4K_CONF_SS (_ULCAST_(1) << 21) 650 #define R4K_CONF_SB (_ULCAST_(3) << 22) 651 652 /* Bits specific to the R5000. */ 653 #define R5K_CONF_SE (_ULCAST_(1) << 12) 654 #define R5K_CONF_SS (_ULCAST_(3) << 20) 655 656 /* Bits specific to the RM7000. */ 657 #define RM7K_CONF_SE (_ULCAST_(1) << 3) 658 #define RM7K_CONF_TE (_ULCAST_(1) << 12) 659 #define RM7K_CONF_CLK (_ULCAST_(1) << 16) 660 #define RM7K_CONF_TC (_ULCAST_(1) << 17) 661 #define RM7K_CONF_SI (_ULCAST_(3) << 20) 662 #define RM7K_CONF_SC (_ULCAST_(1) << 31) 663 664 /* Bits specific to the R10000. */ 665 #define R10K_CONF_DN (_ULCAST_(3) << 3) 666 #define R10K_CONF_CT (_ULCAST_(1) << 5) 667 #define R10K_CONF_PE (_ULCAST_(1) << 6) 668 #define R10K_CONF_PM (_ULCAST_(3) << 7) 669 #define R10K_CONF_EC (_ULCAST_(15)<< 9) 670 #define R10K_CONF_SB (_ULCAST_(1) << 13) 671 #define R10K_CONF_SK (_ULCAST_(1) << 14) 672 #define R10K_CONF_SS (_ULCAST_(7) << 16) 673 #define R10K_CONF_SC (_ULCAST_(7) << 19) 674 #define R10K_CONF_DC (_ULCAST_(7) << 26) 675 #define R10K_CONF_IC (_ULCAST_(7) << 29) 676 677 /* Bits specific to the VR41xx. */ 678 #define VR41_CONF_CS (_ULCAST_(1) << 12) 679 #define VR41_CONF_P4K (_ULCAST_(1) << 13) 680 #define VR41_CONF_BP (_ULCAST_(1) << 16) 681 #define VR41_CONF_M16 (_ULCAST_(1) << 20) 682 #define VR41_CONF_AD (_ULCAST_(1) << 23) 683 684 /* Bits specific to the R30xx. */ 685 #define R30XX_CONF_FDM (_ULCAST_(1) << 19) 686 #define R30XX_CONF_REV (_ULCAST_(1) << 22) 687 #define R30XX_CONF_AC (_ULCAST_(1) << 23) 688 #define R30XX_CONF_RF (_ULCAST_(1) << 24) 689 #define R30XX_CONF_HALT (_ULCAST_(1) << 25) 690 #define R30XX_CONF_FPINT (_ULCAST_(7) << 26) 691 #define R30XX_CONF_DBR (_ULCAST_(1) << 29) 692 #define R30XX_CONF_SB (_ULCAST_(1) << 30) 693 #define R30XX_CONF_LOCK (_ULCAST_(1) << 31) 694 695 /* Bits specific to the TX49. */ 696 #define TX49_CONF_DC (_ULCAST_(1) << 16) 697 #define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */ 698 #define TX49_CONF_HALT (_ULCAST_(1) << 18) 699 #define TX49_CONF_CWFON (_ULCAST_(1) << 27) 700 701 /* Bits specific to the MIPS32/64 PRA. */ 702 #define MIPS_CONF_VI (_ULCAST_(1) << 3) 703 #define MIPS_CONF_MT (_ULCAST_(7) << 7) 704 #define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7) 705 #define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7) 706 #define MIPS_CONF_AR (_ULCAST_(7) << 10) 707 #define MIPS_CONF_AT (_ULCAST_(3) << 13) 708 #define MIPS_CONF_BE (_ULCAST_(1) << 15) 709 #define MIPS_CONF_BM (_ULCAST_(1) << 16) 710 #define MIPS_CONF_MM (_ULCAST_(3) << 17) 711 #define MIPS_CONF_MM_SYSAD (_ULCAST_(1) << 17) 712 #define MIPS_CONF_MM_FULL (_ULCAST_(2) << 17) 713 #define MIPS_CONF_SB (_ULCAST_(1) << 21) 714 #define MIPS_CONF_UDI (_ULCAST_(1) << 22) 715 #define MIPS_CONF_DSP (_ULCAST_(1) << 23) 716 #define MIPS_CONF_ISP (_ULCAST_(1) << 24) 717 #define MIPS_CONF_KU (_ULCAST_(3) << 25) 718 #define MIPS_CONF_K23 (_ULCAST_(3) << 28) 719 #define MIPS_CONF_M (_ULCAST_(1) << 31) 720 721 /* 722 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above. 723 */ 724 #define MIPS_CONF1_FP (_ULCAST_(1) << 0) 725 #define MIPS_CONF1_EP (_ULCAST_(1) << 1) 726 #define MIPS_CONF1_CA (_ULCAST_(1) << 2) 727 #define MIPS_CONF1_WR (_ULCAST_(1) << 3) 728 #define MIPS_CONF1_PC (_ULCAST_(1) << 4) 729 #define MIPS_CONF1_MD (_ULCAST_(1) << 5) 730 #define MIPS_CONF1_C2 (_ULCAST_(1) << 6) 731 #define MIPS_CONF1_DA_SHF 7 732 #define MIPS_CONF1_DA_SZ 3 733 #define MIPS_CONF1_DA (_ULCAST_(7) << 7) 734 #define MIPS_CONF1_DL_SHF 10 735 #define MIPS_CONF1_DL_SZ 3 736 #define MIPS_CONF1_DL (_ULCAST_(7) << 10) 737 #define MIPS_CONF1_DS_SHF 13 738 #define MIPS_CONF1_DS_SZ 3 739 #define MIPS_CONF1_DS (_ULCAST_(7) << 13) 740 #define MIPS_CONF1_IA_SHF 16 741 #define MIPS_CONF1_IA_SZ 3 742 #define MIPS_CONF1_IA (_ULCAST_(7) << 16) 743 #define MIPS_CONF1_IL_SHF 19 744 #define MIPS_CONF1_IL_SZ 3 745 #define MIPS_CONF1_IL (_ULCAST_(7) << 19) 746 #define MIPS_CONF1_IS_SHF 22 747 #define MIPS_CONF1_IS_SZ 3 748 #define MIPS_CONF1_IS (_ULCAST_(7) << 22) 749 #define MIPS_CONF1_TLBS_SHIFT (25) 750 #define MIPS_CONF1_TLBS_SIZE (6) 751 #define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT) 752 753 #define MIPS_CONF2_SA (_ULCAST_(15)<< 0) 754 #define MIPS_CONF2_SL (_ULCAST_(15)<< 4) 755 #define MIPS_CONF2_SS (_ULCAST_(15)<< 8) 756 #define MIPS_CONF2_SU (_ULCAST_(15)<< 12) 757 #define MIPS_CONF2_TA (_ULCAST_(15)<< 16) 758 #define MIPS_CONF2_TL (_ULCAST_(15)<< 20) 759 #define MIPS_CONF2_TS (_ULCAST_(15)<< 24) 760 #define MIPS_CONF2_TU (_ULCAST_(7) << 28) 761 762 #define MIPS_CONF3_TL (_ULCAST_(1) << 0) 763 #define MIPS_CONF3_SM (_ULCAST_(1) << 1) 764 #define MIPS_CONF3_MT (_ULCAST_(1) << 2) 765 #define MIPS_CONF3_CDMM (_ULCAST_(1) << 3) 766 #define MIPS_CONF3_SP (_ULCAST_(1) << 4) 767 #define MIPS_CONF3_VINT (_ULCAST_(1) << 5) 768 #define MIPS_CONF3_VEIC (_ULCAST_(1) << 6) 769 #define MIPS_CONF3_LPA (_ULCAST_(1) << 7) 770 #define MIPS_CONF3_ITL (_ULCAST_(1) << 8) 771 #define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9) 772 #define MIPS_CONF3_DSP (_ULCAST_(1) << 10) 773 #define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11) 774 #define MIPS_CONF3_RXI (_ULCAST_(1) << 12) 775 #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) 776 #define MIPS_CONF3_ISA (_ULCAST_(3) << 14) 777 #define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16) 778 #define MIPS_CONF3_MCU (_ULCAST_(1) << 17) 779 #define MIPS_CONF3_MMAR (_ULCAST_(7) << 18) 780 #define MIPS_CONF3_IPLW (_ULCAST_(3) << 21) 781 #define MIPS_CONF3_VZ (_ULCAST_(1) << 23) 782 #define MIPS_CONF3_PW (_ULCAST_(1) << 24) 783 #define MIPS_CONF3_SC (_ULCAST_(1) << 25) 784 #define MIPS_CONF3_BI (_ULCAST_(1) << 26) 785 #define MIPS_CONF3_BP (_ULCAST_(1) << 27) 786 #define MIPS_CONF3_MSA (_ULCAST_(1) << 28) 787 #define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29) 788 #define MIPS_CONF3_BPG (_ULCAST_(1) << 30) 789 790 #define MIPS_CONF4_MMUSIZEEXT_SHIFT (0) 791 #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) 792 #define MIPS_CONF4_FTLBSETS_SHIFT (0) 793 #define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT) 794 #define MIPS_CONF4_FTLBWAYS_SHIFT (4) 795 #define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT) 796 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8) 797 /* bits 10:8 in FTLB-only configurations */ 798 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) 799 /* bits 12:8 in VTLB-FTLB only configurations */ 800 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) 801 #define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14) 802 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14) 803 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14) 804 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14) 805 #define MIPS_CONF4_KSCREXIST_SHIFT (16) 806 #define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT) 807 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24) 808 #define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT) 809 #define MIPS_CONF4_AE (_ULCAST_(1) << 28) 810 #define MIPS_CONF4_IE (_ULCAST_(3) << 29) 811 #define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29) 812 813 #define MIPS_CONF5_NF (_ULCAST_(1) << 0) 814 #define MIPS_CONF5_UFR (_ULCAST_(1) << 2) 815 #define MIPS_CONF5_MRP (_ULCAST_(1) << 3) 816 #define MIPS_CONF5_LLB (_ULCAST_(1) << 4) 817 #define MIPS_CONF5_MVH (_ULCAST_(1) << 5) 818 #define MIPS_CONF5_VP (_ULCAST_(1) << 7) 819 #define MIPS_CONF5_SBRI (_ULCAST_(1) << 6) 820 #define MIPS_CONF5_FRE (_ULCAST_(1) << 8) 821 #define MIPS_CONF5_UFE (_ULCAST_(1) << 9) 822 #define MIPS_CONF5_CA2 (_ULCAST_(1) << 14) 823 #define MIPS_CONF5_MI (_ULCAST_(1) << 17) 824 #define MIPS_CONF5_CRCP (_ULCAST_(1) << 18) 825 #define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27) 826 #define MIPS_CONF5_EVA (_ULCAST_(1) << 28) 827 #define MIPS_CONF5_CV (_ULCAST_(1) << 29) 828 #define MIPS_CONF5_K (_ULCAST_(1) << 30) 829 830 /* Config6 feature bits for proAptiv/P5600 */ 831 832 /* Jump register cache prediction disable */ 833 #define MTI_CONF6_JRCD (_ULCAST_(1) << 0) 834 /* MIPSr6 extensions enable */ 835 #define MTI_CONF6_R6 (_ULCAST_(1) << 2) 836 /* IFU Performance Control */ 837 #define MTI_CONF6_IFUPERFCTL (_ULCAST_(3) << 10) 838 #define MTI_CONF6_SYND (_ULCAST_(1) << 13) 839 /* Sleep state performance counter disable */ 840 #define MTI_CONF6_SPCD (_ULCAST_(1) << 14) 841 /* proAptiv FTLB on/off bit */ 842 #define MTI_CONF6_FTLBEN (_ULCAST_(1) << 15) 843 /* Disable load/store bonding */ 844 #define MTI_CONF6_DLSB (_ULCAST_(1) << 21) 845 /* FTLB probability bits */ 846 #define MTI_CONF6_FTLBP_SHIFT (16) 847 848 /* Config6 feature bits for Loongson-3 */ 849 850 /* Loongson-3 internal timer bit */ 851 #define LOONGSON_CONF6_INTIMER (_ULCAST_(1) << 6) 852 /* Loongson-3 external timer bit */ 853 #define LOONGSON_CONF6_EXTIMER (_ULCAST_(1) << 7) 854 /* Loongson-3 SFB on/off bit, STFill in manual */ 855 #define LOONGSON_CONF6_SFBEN (_ULCAST_(1) << 8) 856 /* Loongson-3's LL on exclusive cacheline */ 857 #define LOONGSON_CONF6_LLEXC (_ULCAST_(1) << 16) 858 /* Loongson-3's SC has a random delay */ 859 #define LOONGSON_CONF6_SCRAND (_ULCAST_(1) << 17) 860 /* Loongson-3 FTLB on/off bit, VTLBOnly in manual */ 861 #define LOONGSON_CONF6_FTLBDIS (_ULCAST_(1) << 22) 862 863 #define MIPS_CONF7_WII (_ULCAST_(1) << 31) 864 865 #define MIPS_CONF7_RPS (_ULCAST_(1) << 2) 866 867 #define MIPS_CONF7_IAR (_ULCAST_(1) << 10) 868 #define MIPS_CONF7_AR (_ULCAST_(1) << 16) 869 870 /* Ingenic HPTLB off bits */ 871 #define XBURST_PAGECTRL_HPTLB_DIS 0xa9000000 872 873 /* Ingenic Config7 bits */ 874 #define MIPS_CONF7_BTB_LOOP_EN (_ULCAST_(1) << 4) 875 876 /* Config7 Bits specific to MIPS Technologies. */ 877 878 /* Performance counters implemented Per TC */ 879 #define MTI_CONF7_PTC (_ULCAST_(1) << 19) 880 881 /* WatchLo* register definitions */ 882 #define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0) 883 884 /* WatchHi* register definitions */ 885 #define MIPS_WATCHHI_M (_ULCAST_(1) << 31) 886 #define MIPS_WATCHHI_G (_ULCAST_(1) << 30) 887 #define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28) 888 #define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28) 889 #define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28) 890 #define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28) 891 #define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24) 892 #define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16) 893 #define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3) 894 #define MIPS_WATCHHI_I (_ULCAST_(1) << 2) 895 #define MIPS_WATCHHI_R (_ULCAST_(1) << 1) 896 #define MIPS_WATCHHI_W (_ULCAST_(1) << 0) 897 #define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0) 898 899 /* PerfCnt control register definitions */ 900 #define MIPS_PERFCTRL_EXL (_ULCAST_(1) << 0) 901 #define MIPS_PERFCTRL_K (_ULCAST_(1) << 1) 902 #define MIPS_PERFCTRL_S (_ULCAST_(1) << 2) 903 #define MIPS_PERFCTRL_U (_ULCAST_(1) << 3) 904 #define MIPS_PERFCTRL_IE (_ULCAST_(1) << 4) 905 #define MIPS_PERFCTRL_EVENT_S 5 906 #define MIPS_PERFCTRL_EVENT (_ULCAST_(0x3ff) << MIPS_PERFCTRL_EVENT_S) 907 #define MIPS_PERFCTRL_PCTD (_ULCAST_(1) << 15) 908 #define MIPS_PERFCTRL_EC (_ULCAST_(0x3) << 23) 909 #define MIPS_PERFCTRL_EC_R (_ULCAST_(0) << 23) 910 #define MIPS_PERFCTRL_EC_RI (_ULCAST_(1) << 23) 911 #define MIPS_PERFCTRL_EC_G (_ULCAST_(2) << 23) 912 #define MIPS_PERFCTRL_EC_GRI (_ULCAST_(3) << 23) 913 #define MIPS_PERFCTRL_W (_ULCAST_(1) << 30) 914 #define MIPS_PERFCTRL_M (_ULCAST_(1) << 31) 915 916 /* PerfCnt control register MT extensions used by MIPS cores */ 917 #define MIPS_PERFCTRL_VPEID_S 16 918 #define MIPS_PERFCTRL_VPEID (_ULCAST_(0xf) << MIPS_PERFCTRL_VPEID_S) 919 #define MIPS_PERFCTRL_TCID_S 22 920 #define MIPS_PERFCTRL_TCID (_ULCAST_(0xff) << MIPS_PERFCTRL_TCID_S) 921 #define MIPS_PERFCTRL_MT_EN (_ULCAST_(0x3) << 20) 922 #define MIPS_PERFCTRL_MT_EN_ALL (_ULCAST_(0) << 20) 923 #define MIPS_PERFCTRL_MT_EN_VPE (_ULCAST_(1) << 20) 924 #define MIPS_PERFCTRL_MT_EN_TC (_ULCAST_(2) << 20) 925 926 /* PerfCnt control register MT extensions used by BMIPS5000 */ 927 #define BRCM_PERFCTRL_TC (_ULCAST_(1) << 30) 928 929 /* PerfCnt control register MT extensions used by Netlogic XLR */ 930 #define XLR_PERFCTRL_ALLTHREADS (_ULCAST_(1) << 13) 931 932 /* MAAR bit definitions */ 933 #define MIPS_MAAR_VH (_U64CAST_(1) << 63) 934 #define MIPS_MAAR_ADDR GENMASK_ULL(55, 12) 935 #define MIPS_MAAR_ADDR_SHIFT 12 936 #define MIPS_MAAR_S (_ULCAST_(1) << 1) 937 #define MIPS_MAAR_VL (_ULCAST_(1) << 0) 938 #ifdef CONFIG_XPA 939 #define MIPS_MAAR_V (MIPS_MAAR_VH | MIPS_MAAR_VL) 940 #else 941 #define MIPS_MAAR_V MIPS_MAAR_VL 942 #endif 943 #define MIPS_MAARX_VH (_ULCAST_(1) << 31) 944 #define MIPS_MAARX_ADDR 0xF 945 #define MIPS_MAARX_ADDR_SHIFT 32 946 947 /* MAARI bit definitions */ 948 #define MIPS_MAARI_INDEX (_ULCAST_(0x3f) << 0) 949 950 /* EBase bit definitions */ 951 #define MIPS_EBASE_CPUNUM_SHIFT 0 952 #define MIPS_EBASE_CPUNUM (_ULCAST_(0x3ff) << 0) 953 #define MIPS_EBASE_WG_SHIFT 11 954 #define MIPS_EBASE_WG (_ULCAST_(1) << 11) 955 #define MIPS_EBASE_BASE_SHIFT 12 956 #define MIPS_EBASE_BASE (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1)) 957 958 /* CMGCRBase bit definitions */ 959 #define MIPS_CMGCRB_BASE 11 960 #define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1)) 961 962 /* LLAddr bit definitions */ 963 #define MIPS_LLADDR_LLB_SHIFT 0 964 #define MIPS_LLADDR_LLB (_ULCAST_(1) << MIPS_LLADDR_LLB_SHIFT) 965 966 /* 967 * Bits in the MIPS32 Memory Segmentation registers. 968 */ 969 #define MIPS_SEGCFG_PA_SHIFT 9 970 #define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT) 971 #define MIPS_SEGCFG_AM_SHIFT 4 972 #define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT) 973 #define MIPS_SEGCFG_EU_SHIFT 3 974 #define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT) 975 #define MIPS_SEGCFG_C_SHIFT 0 976 #define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT) 977 978 #define MIPS_SEGCFG_UUSK _ULCAST_(7) 979 #define MIPS_SEGCFG_USK _ULCAST_(5) 980 #define MIPS_SEGCFG_MUSUK _ULCAST_(4) 981 #define MIPS_SEGCFG_MUSK _ULCAST_(3) 982 #define MIPS_SEGCFG_MSK _ULCAST_(2) 983 #define MIPS_SEGCFG_MK _ULCAST_(1) 984 #define MIPS_SEGCFG_UK _ULCAST_(0) 985 986 #define MIPS_PWFIELD_GDI_SHIFT 24 987 #define MIPS_PWFIELD_GDI_MASK 0x3f000000 988 #define MIPS_PWFIELD_UDI_SHIFT 18 989 #define MIPS_PWFIELD_UDI_MASK 0x00fc0000 990 #define MIPS_PWFIELD_MDI_SHIFT 12 991 #define MIPS_PWFIELD_MDI_MASK 0x0003f000 992 #define MIPS_PWFIELD_PTI_SHIFT 6 993 #define MIPS_PWFIELD_PTI_MASK 0x00000fc0 994 #define MIPS_PWFIELD_PTEI_SHIFT 0 995 #define MIPS_PWFIELD_PTEI_MASK 0x0000003f 996 997 #define MIPS_PWSIZE_PS_SHIFT 30 998 #define MIPS_PWSIZE_PS_MASK 0x40000000 999 #define MIPS_PWSIZE_GDW_SHIFT 24 1000 #define MIPS_PWSIZE_GDW_MASK 0x3f000000 1001 #define MIPS_PWSIZE_UDW_SHIFT 18 1002 #define MIPS_PWSIZE_UDW_MASK 0x00fc0000 1003 #define MIPS_PWSIZE_MDW_SHIFT 12 1004 #define MIPS_PWSIZE_MDW_MASK 0x0003f000 1005 #define MIPS_PWSIZE_PTW_SHIFT 6 1006 #define MIPS_PWSIZE_PTW_MASK 0x00000fc0 1007 #define MIPS_PWSIZE_PTEW_SHIFT 0 1008 #define MIPS_PWSIZE_PTEW_MASK 0x0000003f 1009 1010 #define MIPS_PWCTL_PWEN_SHIFT 31 1011 #define MIPS_PWCTL_PWEN_MASK 0x80000000 1012 #define MIPS_PWCTL_XK_SHIFT 28 1013 #define MIPS_PWCTL_XK_MASK 0x10000000 1014 #define MIPS_PWCTL_XS_SHIFT 27 1015 #define MIPS_PWCTL_XS_MASK 0x08000000 1016 #define MIPS_PWCTL_XU_SHIFT 26 1017 #define MIPS_PWCTL_XU_MASK 0x04000000 1018 #define MIPS_PWCTL_DPH_SHIFT 7 1019 #define MIPS_PWCTL_DPH_MASK 0x00000080 1020 #define MIPS_PWCTL_HUGEPG_SHIFT 6 1021 #define MIPS_PWCTL_HUGEPG_MASK 0x00000060 1022 #define MIPS_PWCTL_PSN_SHIFT 0 1023 #define MIPS_PWCTL_PSN_MASK 0x0000003f 1024 1025 /* GuestCtl0 fields */ 1026 #define MIPS_GCTL0_GM_SHIFT 31 1027 #define MIPS_GCTL0_GM (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT) 1028 #define MIPS_GCTL0_RI_SHIFT 30 1029 #define MIPS_GCTL0_RI (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT) 1030 #define MIPS_GCTL0_MC_SHIFT 29 1031 #define MIPS_GCTL0_MC (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT) 1032 #define MIPS_GCTL0_CP0_SHIFT 28 1033 #define MIPS_GCTL0_CP0 (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT) 1034 #define MIPS_GCTL0_AT_SHIFT 26 1035 #define MIPS_GCTL0_AT (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT) 1036 #define MIPS_GCTL0_GT_SHIFT 25 1037 #define MIPS_GCTL0_GT (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT) 1038 #define MIPS_GCTL0_CG_SHIFT 24 1039 #define MIPS_GCTL0_CG (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT) 1040 #define MIPS_GCTL0_CF_SHIFT 23 1041 #define MIPS_GCTL0_CF (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT) 1042 #define MIPS_GCTL0_G1_SHIFT 22 1043 #define MIPS_GCTL0_G1 (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT) 1044 #define MIPS_GCTL0_G0E_SHIFT 19 1045 #define MIPS_GCTL0_G0E (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT) 1046 #define MIPS_GCTL0_PT_SHIFT 18 1047 #define MIPS_GCTL0_PT (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT) 1048 #define MIPS_GCTL0_RAD_SHIFT 9 1049 #define MIPS_GCTL0_RAD (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT) 1050 #define MIPS_GCTL0_DRG_SHIFT 8 1051 #define MIPS_GCTL0_DRG (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT) 1052 #define MIPS_GCTL0_G2_SHIFT 7 1053 #define MIPS_GCTL0_G2 (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT) 1054 #define MIPS_GCTL0_GEXC_SHIFT 2 1055 #define MIPS_GCTL0_GEXC (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT) 1056 #define MIPS_GCTL0_SFC2_SHIFT 1 1057 #define MIPS_GCTL0_SFC2 (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT) 1058 #define MIPS_GCTL0_SFC1_SHIFT 0 1059 #define MIPS_GCTL0_SFC1 (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT) 1060 1061 /* GuestCtl0.AT Guest address translation control */ 1062 #define MIPS_GCTL0_AT_ROOT 1 /* Guest MMU under Root control */ 1063 #define MIPS_GCTL0_AT_GUEST 3 /* Guest MMU under Guest control */ 1064 1065 /* GuestCtl0.GExcCode Hypervisor exception cause codes */ 1066 #define MIPS_GCTL0_GEXC_GPSI 0 /* Guest Privileged Sensitive Instruction */ 1067 #define MIPS_GCTL0_GEXC_GSFC 1 /* Guest Software Field Change */ 1068 #define MIPS_GCTL0_GEXC_HC 2 /* Hypercall */ 1069 #define MIPS_GCTL0_GEXC_GRR 3 /* Guest Reserved Instruction Redirect */ 1070 #define MIPS_GCTL0_GEXC_GVA 8 /* Guest Virtual Address available */ 1071 #define MIPS_GCTL0_GEXC_GHFC 9 /* Guest Hardware Field Change */ 1072 #define MIPS_GCTL0_GEXC_GPA 10 /* Guest Physical Address available */ 1073 1074 /* GuestCtl0Ext fields */ 1075 #define MIPS_GCTL0EXT_RPW_SHIFT 8 1076 #define MIPS_GCTL0EXT_RPW (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT) 1077 #define MIPS_GCTL0EXT_NCC_SHIFT 6 1078 #define MIPS_GCTL0EXT_NCC (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT) 1079 #define MIPS_GCTL0EXT_CGI_SHIFT 4 1080 #define MIPS_GCTL0EXT_CGI (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT) 1081 #define MIPS_GCTL0EXT_FCD_SHIFT 3 1082 #define MIPS_GCTL0EXT_FCD (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT) 1083 #define MIPS_GCTL0EXT_OG_SHIFT 2 1084 #define MIPS_GCTL0EXT_OG (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT) 1085 #define MIPS_GCTL0EXT_BG_SHIFT 1 1086 #define MIPS_GCTL0EXT_BG (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT) 1087 #define MIPS_GCTL0EXT_MG_SHIFT 0 1088 #define MIPS_GCTL0EXT_MG (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT) 1089 1090 /* GuestCtl0Ext.RPW Root page walk configuration */ 1091 #define MIPS_GCTL0EXT_RPW_BOTH 0 /* Root PW for GPA->RPA and RVA->RPA */ 1092 #define MIPS_GCTL0EXT_RPW_GPA 2 /* Root PW for GPA->RPA */ 1093 #define MIPS_GCTL0EXT_RPW_RVA 3 /* Root PW for RVA->RPA */ 1094 1095 /* GuestCtl0Ext.NCC Nested cache coherency attributes */ 1096 #define MIPS_GCTL0EXT_NCC_IND 0 /* Guest CCA independent of Root CCA */ 1097 #define MIPS_GCTL0EXT_NCC_MOD 1 /* Guest CCA modified by Root CCA */ 1098 1099 /* GuestCtl1 fields */ 1100 #define MIPS_GCTL1_ID_SHIFT 0 1101 #define MIPS_GCTL1_ID_WIDTH 8 1102 #define MIPS_GCTL1_ID (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT) 1103 #define MIPS_GCTL1_RID_SHIFT 16 1104 #define MIPS_GCTL1_RID_WIDTH 8 1105 #define MIPS_GCTL1_RID (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT) 1106 #define MIPS_GCTL1_EID_SHIFT 24 1107 #define MIPS_GCTL1_EID_WIDTH 8 1108 #define MIPS_GCTL1_EID (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT) 1109 1110 /* GuestID reserved for root context */ 1111 #define MIPS_GCTL1_ROOT_GUESTID 0 1112 1113 /* CDMMBase register bit definitions */ 1114 #define MIPS_CDMMBASE_SIZE_SHIFT 0 1115 #define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT) 1116 #define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9) 1117 #define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10) 1118 #define MIPS_CDMMBASE_ADDR_SHIFT 11 1119 #define MIPS_CDMMBASE_ADDR_START 15 1120 1121 /* RDHWR register numbers */ 1122 #define MIPS_HWR_CPUNUM 0 /* CPU number */ 1123 #define MIPS_HWR_SYNCISTEP 1 /* SYNCI step size */ 1124 #define MIPS_HWR_CC 2 /* Cycle counter */ 1125 #define MIPS_HWR_CCRES 3 /* Cycle counter resolution */ 1126 #define MIPS_HWR_ULR 29 /* UserLocal */ 1127 #define MIPS_HWR_IMPL1 30 /* Implementation dependent */ 1128 #define MIPS_HWR_IMPL2 31 /* Implementation dependent */ 1129 1130 /* Bits in HWREna register */ 1131 #define MIPS_HWRENA_CPUNUM (_ULCAST_(1) << MIPS_HWR_CPUNUM) 1132 #define MIPS_HWRENA_SYNCISTEP (_ULCAST_(1) << MIPS_HWR_SYNCISTEP) 1133 #define MIPS_HWRENA_CC (_ULCAST_(1) << MIPS_HWR_CC) 1134 #define MIPS_HWRENA_CCRES (_ULCAST_(1) << MIPS_HWR_CCRES) 1135 #define MIPS_HWRENA_ULR (_ULCAST_(1) << MIPS_HWR_ULR) 1136 #define MIPS_HWRENA_IMPL1 (_ULCAST_(1) << MIPS_HWR_IMPL1) 1137 #define MIPS_HWRENA_IMPL2 (_ULCAST_(1) << MIPS_HWR_IMPL2) 1138 1139 /* 1140 * Bitfields in the TX39 family CP0 Configuration Register 3 1141 */ 1142 #define TX39_CONF_ICS_SHIFT 19 1143 #define TX39_CONF_ICS_MASK 0x00380000 1144 #define TX39_CONF_ICS_1KB 0x00000000 1145 #define TX39_CONF_ICS_2KB 0x00080000 1146 #define TX39_CONF_ICS_4KB 0x00100000 1147 #define TX39_CONF_ICS_8KB 0x00180000 1148 #define TX39_CONF_ICS_16KB 0x00200000 1149 1150 #define TX39_CONF_DCS_SHIFT 16 1151 #define TX39_CONF_DCS_MASK 0x00070000 1152 #define TX39_CONF_DCS_1KB 0x00000000 1153 #define TX39_CONF_DCS_2KB 0x00010000 1154 #define TX39_CONF_DCS_4KB 0x00020000 1155 #define TX39_CONF_DCS_8KB 0x00030000 1156 #define TX39_CONF_DCS_16KB 0x00040000 1157 1158 #define TX39_CONF_CWFON 0x00004000 1159 #define TX39_CONF_WBON 0x00002000 1160 #define TX39_CONF_RF_SHIFT 10 1161 #define TX39_CONF_RF_MASK 0x00000c00 1162 #define TX39_CONF_DOZE 0x00000200 1163 #define TX39_CONF_HALT 0x00000100 1164 #define TX39_CONF_LOCK 0x00000080 1165 #define TX39_CONF_ICE 0x00000020 1166 #define TX39_CONF_DCE 0x00000010 1167 #define TX39_CONF_IRSIZE_SHIFT 2 1168 #define TX39_CONF_IRSIZE_MASK 0x0000000c 1169 #define TX39_CONF_DRSIZE_SHIFT 0 1170 #define TX39_CONF_DRSIZE_MASK 0x00000003 1171 1172 /* 1173 * Interesting Bits in the R10K CP0 Branch Diagnostic Register 1174 */ 1175 /* Disable Branch Target Address Cache */ 1176 #define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27) 1177 /* Enable Branch Prediction Global History */ 1178 #define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26) 1179 /* Disable Branch Return Cache */ 1180 #define R10K_DIAG_D_BRC (_ULCAST_(1) << 22) 1181 1182 /* Flush BTB */ 1183 #define LOONGSON_DIAG_BTB (_ULCAST_(1) << 1) 1184 /* Flush ITLB */ 1185 #define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2) 1186 /* Flush DTLB */ 1187 #define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3) 1188 /* Allow some CACHE instructions (CACHE0, 1, 3, 21 and 23) in user mode */ 1189 #define LOONGSON_DIAG_UCAC (_ULCAST_(1) << 8) 1190 /* Flush VTLB */ 1191 #define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12) 1192 /* Flush FTLB */ 1193 #define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13) 1194 1195 /* 1196 * Diag1 (GSCause in Loongson-speak) fields 1197 */ 1198 /* Loongson-specific exception code (GSExcCode) */ 1199 #define LOONGSON_DIAG1_EXCCODE_SHIFT 2 1200 #define LOONGSON_DIAG1_EXCCODE GENMASK(6, 2) 1201 1202 /* CvmCtl register field definitions */ 1203 #define CVMCTL_IPPCI_SHIFT 7 1204 #define CVMCTL_IPPCI (_U64CAST_(0x7) << CVMCTL_IPPCI_SHIFT) 1205 #define CVMCTL_IPTI_SHIFT 4 1206 #define CVMCTL_IPTI (_U64CAST_(0x7) << CVMCTL_IPTI_SHIFT) 1207 1208 /* CvmMemCtl2 register field definitions */ 1209 #define CVMMEMCTL2_INHIBITTS (_U64CAST_(1) << 17) 1210 1211 /* CvmVMConfig register field definitions */ 1212 #define CVMVMCONF_DGHT (_U64CAST_(1) << 60) 1213 #define CVMVMCONF_MMUSIZEM1_S 12 1214 #define CVMVMCONF_MMUSIZEM1 (_U64CAST_(0xff) << CVMVMCONF_MMUSIZEM1_S) 1215 #define CVMVMCONF_RMMUSIZEM1_S 0 1216 #define CVMVMCONF_RMMUSIZEM1 (_U64CAST_(0xff) << CVMVMCONF_RMMUSIZEM1_S) 1217 1218 /* Debug register field definitions */ 1219 #define MIPS_DEBUG_DBP_SHIFT 1 1220 #define MIPS_DEBUG_DBP (_ULCAST_(1) << MIPS_DEBUG_DBP_SHIFT) 1221 1222 /* 1223 * Coprocessor 1 (FPU) register names 1224 */ 1225 #define CP1_REVISION $0 1226 #define CP1_UFR $1 1227 #define CP1_UNFR $4 1228 #define CP1_FCCR $25 1229 #define CP1_FEXR $26 1230 #define CP1_FENR $28 1231 #define CP1_STATUS $31 1232 1233 1234 /* 1235 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register. 1236 */ 1237 #define MIPS_FPIR_S (_ULCAST_(1) << 16) 1238 #define MIPS_FPIR_D (_ULCAST_(1) << 17) 1239 #define MIPS_FPIR_PS (_ULCAST_(1) << 18) 1240 #define MIPS_FPIR_3D (_ULCAST_(1) << 19) 1241 #define MIPS_FPIR_W (_ULCAST_(1) << 20) 1242 #define MIPS_FPIR_L (_ULCAST_(1) << 21) 1243 #define MIPS_FPIR_F64 (_ULCAST_(1) << 22) 1244 #define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23) 1245 #define MIPS_FPIR_UFRP (_ULCAST_(1) << 28) 1246 #define MIPS_FPIR_FREP (_ULCAST_(1) << 29) 1247 1248 /* 1249 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register. 1250 */ 1251 #define MIPS_FCCR_CONDX_S 0 1252 #define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S) 1253 #define MIPS_FCCR_COND0_S 0 1254 #define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S) 1255 #define MIPS_FCCR_COND1_S 1 1256 #define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S) 1257 #define MIPS_FCCR_COND2_S 2 1258 #define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S) 1259 #define MIPS_FCCR_COND3_S 3 1260 #define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S) 1261 #define MIPS_FCCR_COND4_S 4 1262 #define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S) 1263 #define MIPS_FCCR_COND5_S 5 1264 #define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S) 1265 #define MIPS_FCCR_COND6_S 6 1266 #define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S) 1267 #define MIPS_FCCR_COND7_S 7 1268 #define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S) 1269 1270 /* 1271 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register. 1272 */ 1273 #define MIPS_FENR_FS_S 2 1274 #define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S) 1275 1276 /* 1277 * FPU Status Register Values 1278 */ 1279 #define FPU_CSR_COND_S 23 /* $fcc0 */ 1280 #define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S) 1281 1282 #define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */ 1283 #define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S) 1284 1285 #define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */ 1286 #define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S) 1287 #define FPU_CSR_COND1_S 25 /* $fcc1 */ 1288 #define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S) 1289 #define FPU_CSR_COND2_S 26 /* $fcc2 */ 1290 #define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S) 1291 #define FPU_CSR_COND3_S 27 /* $fcc3 */ 1292 #define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S) 1293 #define FPU_CSR_COND4_S 28 /* $fcc4 */ 1294 #define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S) 1295 #define FPU_CSR_COND5_S 29 /* $fcc5 */ 1296 #define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S) 1297 #define FPU_CSR_COND6_S 30 /* $fcc6 */ 1298 #define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S) 1299 #define FPU_CSR_COND7_S 31 /* $fcc7 */ 1300 #define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S) 1301 1302 /* 1303 * Bits 22:20 of the FPU Status Register will be read as 0, 1304 * and should be written as zero. 1305 * MAC2008 was removed in Release 5 so we still treat it as 1306 * reserved. 1307 */ 1308 #define FPU_CSR_RSVD (_ULCAST_(7) << 20) 1309 1310 #define FPU_CSR_MAC2008 (_ULCAST_(1) << 20) 1311 #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19) 1312 #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18) 1313 1314 /* 1315 * X the exception cause indicator 1316 * E the exception enable 1317 * S the sticky/flag bit 1318 */ 1319 #define FPU_CSR_ALL_X 0x0003f000 1320 #define FPU_CSR_UNI_X 0x00020000 1321 #define FPU_CSR_INV_X 0x00010000 1322 #define FPU_CSR_DIV_X 0x00008000 1323 #define FPU_CSR_OVF_X 0x00004000 1324 #define FPU_CSR_UDF_X 0x00002000 1325 #define FPU_CSR_INE_X 0x00001000 1326 1327 #define FPU_CSR_ALL_E 0x00000f80 1328 #define FPU_CSR_INV_E 0x00000800 1329 #define FPU_CSR_DIV_E 0x00000400 1330 #define FPU_CSR_OVF_E 0x00000200 1331 #define FPU_CSR_UDF_E 0x00000100 1332 #define FPU_CSR_INE_E 0x00000080 1333 1334 #define FPU_CSR_ALL_S 0x0000007c 1335 #define FPU_CSR_INV_S 0x00000040 1336 #define FPU_CSR_DIV_S 0x00000020 1337 #define FPU_CSR_OVF_S 0x00000010 1338 #define FPU_CSR_UDF_S 0x00000008 1339 #define FPU_CSR_INE_S 0x00000004 1340 1341 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */ 1342 #define FPU_CSR_RM 0x00000003 1343 #define FPU_CSR_RN 0x0 /* nearest */ 1344 #define FPU_CSR_RZ 0x1 /* towards zero */ 1345 #define FPU_CSR_RU 0x2 /* towards +Infinity */ 1346 #define FPU_CSR_RD 0x3 /* towards -Infinity */ 1347 1348 1349 #ifndef __ASSEMBLY__ 1350 1351 /* 1352 * Macros for handling the ISA mode bit for MIPS16 and microMIPS. 1353 */ 1354 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \ 1355 defined(CONFIG_SYS_SUPPORTS_MICROMIPS) 1356 #define get_isa16_mode(x) ((x) & 0x1) 1357 #define msk_isa16_mode(x) ((x) & ~0x1) 1358 #define set_isa16_mode(x) do { (x) |= 0x1; } while(0) 1359 #else 1360 #define get_isa16_mode(x) 0 1361 #define msk_isa16_mode(x) (x) 1362 #define set_isa16_mode(x) do { } while(0) 1363 #endif 1364 1365 /* 1366 * microMIPS instructions can be 16-bit or 32-bit in length. This 1367 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit. 1368 */ 1369 static inline int mm_insn_16bit(u16 insn) 1370 { 1371 u16 opcode = (insn >> 10) & 0x7; 1372 1373 return (opcode >= 1 && opcode <= 3) ? 1 : 0; 1374 } 1375 1376 /* 1377 * Helper macros for generating raw instruction encodings in inline asm. 1378 */ 1379 #ifdef CONFIG_CPU_MICROMIPS 1380 #define _ASM_INSN16_IF_MM(_enc) \ 1381 ".insn\n\t" \ 1382 ".hword (" #_enc ")\n\t" 1383 #define _ASM_INSN32_IF_MM(_enc) \ 1384 ".insn\n\t" \ 1385 ".hword ((" #_enc ") >> 16)\n\t" \ 1386 ".hword ((" #_enc ") & 0xffff)\n\t" 1387 #else 1388 #define _ASM_INSN_IF_MIPS(_enc) \ 1389 ".insn\n\t" \ 1390 ".word (" #_enc ")\n\t" 1391 #endif 1392 1393 #ifndef _ASM_INSN16_IF_MM 1394 #define _ASM_INSN16_IF_MM(_enc) 1395 #endif 1396 #ifndef _ASM_INSN32_IF_MM 1397 #define _ASM_INSN32_IF_MM(_enc) 1398 #endif 1399 #ifndef _ASM_INSN_IF_MIPS 1400 #define _ASM_INSN_IF_MIPS(_enc) 1401 #endif 1402 1403 /* 1404 * parse_r var, r - Helper assembler macro for parsing register names. 1405 * 1406 * This converts the register name in $n form provided in \r to the 1407 * corresponding register number, which is assigned to the variable \var. It is 1408 * needed to allow explicit encoding of instructions in inline assembly where 1409 * registers are chosen by the compiler in $n form, allowing us to avoid using 1410 * fixed register numbers. 1411 * 1412 * It also allows newer instructions (not implemented by the assembler) to be 1413 * transparently implemented using assembler macros, instead of needing separate 1414 * cases depending on toolchain support. 1415 * 1416 * Simple usage example: 1417 * __asm__ __volatile__("parse_r __rt, %0\n\t" 1418 * ".insn\n\t" 1419 * "# di %0\n\t" 1420 * ".word (0x41606000 | (__rt << 16))" 1421 * : "=r" (status); 1422 */ 1423 1424 /* Match an individual register number and assign to \var */ 1425 #define _IFC_REG_NAME(name, n) \ 1426 ".ifc \\r, $" #name "\n\t" \ 1427 "\\var = " #n "\n\t" \ 1428 ".endif\n\t" 1429 1430 #define _IFC_REG(n) _IFC_REG_NAME(n, n) 1431 1432 #define _ASM_SET_PARSE_R \ 1433 ".macro parse_r var r\n\t" \ 1434 "\\var = -1\n\t" \ 1435 _IFC_REG(0) _IFC_REG(1) _IFC_REG(2) _IFC_REG(3) \ 1436 _IFC_REG(4) _IFC_REG(5) _IFC_REG(6) _IFC_REG(7) \ 1437 _IFC_REG(8) _IFC_REG(9) _IFC_REG(10) _IFC_REG(11) \ 1438 _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15) \ 1439 _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19) \ 1440 _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23) \ 1441 _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27) \ 1442 _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31) \ 1443 _IFC_REG_NAME(sp, 29) _IFC_REG_NAME(fp, 30) \ 1444 ".iflt \\var\n\t" \ 1445 ".error \"Unable to parse register name \\r\"\n\t" \ 1446 ".endif\n\t" \ 1447 ".endm\n\t" 1448 #define _ASM_UNSET_PARSE_R ".purgem parse_r\n\t" 1449 1450 /* 1451 * C macros for generating assembler macros for common instruction formats. 1452 * 1453 * The names of the operands can be chosen by the caller, and the encoding of 1454 * register operand \<Rn> is assigned to __<Rn> where it can be accessed from 1455 * the ENC encodings. 1456 */ 1457 1458 /* Instructions with 1 register operand */ 1459 #define _ASM_MACRO_1R(OP, R1, ENC) \ 1460 ".macro " #OP " " #R1 "\n\t" \ 1461 _ASM_SET_PARSE_R \ 1462 "parse_r __" #R1 ", \\" #R1 "\n\t" \ 1463 ENC \ 1464 _ASM_UNSET_PARSE_R \ 1465 ".endm\n\t" 1466 1467 /* Instructions with 1 register operand & 1 immediate operand */ 1468 #define _ASM_MACRO_1R1I(OP, R1, I2, ENC) \ 1469 ".macro " #OP " " #R1 ", " #I2 "\n\t" \ 1470 _ASM_SET_PARSE_R \ 1471 "parse_r __" #R1 ", \\" #R1 "\n\t" \ 1472 ENC \ 1473 _ASM_UNSET_PARSE_R \ 1474 ".endm\n\t" 1475 1476 /* Instructions with 2 register operands */ 1477 #define _ASM_MACRO_2R(OP, R1, R2, ENC) \ 1478 ".macro " #OP " " #R1 ", " #R2 "\n\t" \ 1479 _ASM_SET_PARSE_R \ 1480 "parse_r __" #R1 ", \\" #R1 "\n\t" \ 1481 "parse_r __" #R2 ", \\" #R2 "\n\t" \ 1482 ENC \ 1483 _ASM_UNSET_PARSE_R \ 1484 ".endm\n\t" 1485 1486 /* Instructions with 3 register operands */ 1487 #define _ASM_MACRO_3R(OP, R1, R2, R3, ENC) \ 1488 ".macro " #OP " " #R1 ", " #R2 ", " #R3 "\n\t" \ 1489 _ASM_SET_PARSE_R \ 1490 "parse_r __" #R1 ", \\" #R1 "\n\t" \ 1491 "parse_r __" #R2 ", \\" #R2 "\n\t" \ 1492 "parse_r __" #R3 ", \\" #R3 "\n\t" \ 1493 ENC \ 1494 _ASM_UNSET_PARSE_R \ 1495 ".endm\n\t" 1496 1497 /* Instructions with 2 register operands and 1 optional select operand */ 1498 #define _ASM_MACRO_2R_1S(OP, R1, R2, SEL3, ENC) \ 1499 ".macro " #OP " " #R1 ", " #R2 ", " #SEL3 " = 0\n\t" \ 1500 _ASM_SET_PARSE_R \ 1501 "parse_r __" #R1 ", \\" #R1 "\n\t" \ 1502 "parse_r __" #R2 ", \\" #R2 "\n\t" \ 1503 ENC \ 1504 _ASM_UNSET_PARSE_R \ 1505 ".endm\n\t" 1506 1507 /* 1508 * TLB Invalidate Flush 1509 */ 1510 static inline void tlbinvf(void) 1511 { 1512 __asm__ __volatile__( 1513 ".set push\n\t" 1514 ".set noreorder\n\t" 1515 "# tlbinvf\n\t" 1516 _ASM_INSN_IF_MIPS(0x42000004) 1517 _ASM_INSN32_IF_MM(0x0000537c) 1518 ".set pop"); 1519 } 1520 1521 1522 /* 1523 * Functions to access the R10000 performance counters. These are basically 1524 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit 1525 * performance counter number encoded into bits 1 ... 5 of the instruction. 1526 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware 1527 * disassembler these will look like an access to sel 0 or 1. 1528 */ 1529 #define read_r10k_perf_cntr(counter) \ 1530 ({ \ 1531 unsigned int __res; \ 1532 __asm__ __volatile__( \ 1533 "mfpc\t%0, %1" \ 1534 : "=r" (__res) \ 1535 : "i" (counter)); \ 1536 \ 1537 __res; \ 1538 }) 1539 1540 #define write_r10k_perf_cntr(counter,val) \ 1541 do { \ 1542 __asm__ __volatile__( \ 1543 "mtpc\t%0, %1" \ 1544 : \ 1545 : "r" (val), "i" (counter)); \ 1546 } while (0) 1547 1548 #define read_r10k_perf_event(counter) \ 1549 ({ \ 1550 unsigned int __res; \ 1551 __asm__ __volatile__( \ 1552 "mfps\t%0, %1" \ 1553 : "=r" (__res) \ 1554 : "i" (counter)); \ 1555 \ 1556 __res; \ 1557 }) 1558 1559 #define write_r10k_perf_cntl(counter,val) \ 1560 do { \ 1561 __asm__ __volatile__( \ 1562 "mtps\t%0, %1" \ 1563 : \ 1564 : "r" (val), "i" (counter)); \ 1565 } while (0) 1566 1567 1568 /* 1569 * Macros to access the system control coprocessor 1570 */ 1571 1572 #define ___read_32bit_c0_register(source, sel, vol) \ 1573 ({ unsigned int __res; \ 1574 if (sel == 0) \ 1575 __asm__ vol( \ 1576 "mfc0\t%0, " #source "\n\t" \ 1577 : "=r" (__res)); \ 1578 else \ 1579 __asm__ vol( \ 1580 ".set\tpush\n\t" \ 1581 ".set\tmips32\n\t" \ 1582 "mfc0\t%0, " #source ", " #sel "\n\t" \ 1583 ".set\tpop\n\t" \ 1584 : "=r" (__res)); \ 1585 __res; \ 1586 }) 1587 1588 #define ___read_64bit_c0_register(source, sel, vol) \ 1589 ({ unsigned long long __res; \ 1590 if (sizeof(unsigned long) == 4) \ 1591 __res = __read_64bit_c0_split(source, sel, vol); \ 1592 else if (sel == 0) \ 1593 __asm__ vol( \ 1594 ".set\tpush\n\t" \ 1595 ".set\tmips3\n\t" \ 1596 "dmfc0\t%0, " #source "\n\t" \ 1597 ".set\tpop" \ 1598 : "=r" (__res)); \ 1599 else \ 1600 __asm__ vol( \ 1601 ".set\tpush\n\t" \ 1602 ".set\tmips64\n\t" \ 1603 "dmfc0\t%0, " #source ", " #sel "\n\t" \ 1604 ".set\tpop" \ 1605 : "=r" (__res)); \ 1606 __res; \ 1607 }) 1608 1609 #define __read_32bit_c0_register(source, sel) \ 1610 ___read_32bit_c0_register(source, sel, __volatile__) 1611 1612 #define __read_const_32bit_c0_register(source, sel) \ 1613 ___read_32bit_c0_register(source, sel,) 1614 1615 #define __read_64bit_c0_register(source, sel) \ 1616 ___read_64bit_c0_register(source, sel, __volatile__) 1617 1618 #define __read_const_64bit_c0_register(source, sel) \ 1619 ___read_64bit_c0_register(source, sel,) 1620 1621 #define __write_32bit_c0_register(register, sel, value) \ 1622 do { \ 1623 if (sel == 0) \ 1624 __asm__ __volatile__( \ 1625 "mtc0\t%z0, " #register "\n\t" \ 1626 : : "Jr" ((unsigned int)(value))); \ 1627 else \ 1628 __asm__ __volatile__( \ 1629 ".set\tpush\n\t" \ 1630 ".set\tmips32\n\t" \ 1631 "mtc0\t%z0, " #register ", " #sel "\n\t" \ 1632 ".set\tpop" \ 1633 : : "Jr" ((unsigned int)(value))); \ 1634 } while (0) 1635 1636 #define __write_64bit_c0_register(register, sel, value) \ 1637 do { \ 1638 if (sizeof(unsigned long) == 4) \ 1639 __write_64bit_c0_split(register, sel, value); \ 1640 else if (sel == 0) \ 1641 __asm__ __volatile__( \ 1642 ".set\tpush\n\t" \ 1643 ".set\tmips3\n\t" \ 1644 "dmtc0\t%z0, " #register "\n\t" \ 1645 ".set\tpop" \ 1646 : : "Jr" (value)); \ 1647 else \ 1648 __asm__ __volatile__( \ 1649 ".set\tpush\n\t" \ 1650 ".set\tmips64\n\t" \ 1651 "dmtc0\t%z0, " #register ", " #sel "\n\t" \ 1652 ".set\tpop" \ 1653 : : "Jr" (value)); \ 1654 } while (0) 1655 1656 #define __read_ulong_c0_register(reg, sel) \ 1657 ((sizeof(unsigned long) == 4) ? \ 1658 (unsigned long) __read_32bit_c0_register(reg, sel) : \ 1659 (unsigned long) __read_64bit_c0_register(reg, sel)) 1660 1661 #define __read_const_ulong_c0_register(reg, sel) \ 1662 ((sizeof(unsigned long) == 4) ? \ 1663 (unsigned long) __read_const_32bit_c0_register(reg, sel) : \ 1664 (unsigned long) __read_const_64bit_c0_register(reg, sel)) 1665 1666 #define __write_ulong_c0_register(reg, sel, val) \ 1667 do { \ 1668 if (sizeof(unsigned long) == 4) \ 1669 __write_32bit_c0_register(reg, sel, val); \ 1670 else \ 1671 __write_64bit_c0_register(reg, sel, val); \ 1672 } while (0) 1673 1674 /* 1675 * On RM7000/RM9000 these are uses to access cop0 set 1 registers 1676 */ 1677 #define __read_32bit_c0_ctrl_register(source) \ 1678 ({ unsigned int __res; \ 1679 __asm__ __volatile__( \ 1680 "cfc0\t%0, " #source "\n\t" \ 1681 : "=r" (__res)); \ 1682 __res; \ 1683 }) 1684 1685 #define __write_32bit_c0_ctrl_register(register, value) \ 1686 do { \ 1687 __asm__ __volatile__( \ 1688 "ctc0\t%z0, " #register "\n\t" \ 1689 : : "Jr" ((unsigned int)(value))); \ 1690 } while (0) 1691 1692 /* 1693 * These versions are only needed for systems with more than 38 bits of 1694 * physical address space running the 32-bit kernel. That's none atm :-) 1695 */ 1696 #define __read_64bit_c0_split(source, sel, vol) \ 1697 ({ \ 1698 unsigned long long __val; \ 1699 unsigned long __flags; \ 1700 \ 1701 local_irq_save(__flags); \ 1702 if (sel == 0) \ 1703 __asm__ vol( \ 1704 ".set\tpush\n\t" \ 1705 ".set\tmips64\n\t" \ 1706 "dmfc0\t%L0, " #source "\n\t" \ 1707 "dsra\t%M0, %L0, 32\n\t" \ 1708 "sll\t%L0, %L0, 0\n\t" \ 1709 ".set\tpop" \ 1710 : "=r" (__val)); \ 1711 else \ 1712 __asm__ vol( \ 1713 ".set\tpush\n\t" \ 1714 ".set\tmips64\n\t" \ 1715 "dmfc0\t%L0, " #source ", " #sel "\n\t" \ 1716 "dsra\t%M0, %L0, 32\n\t" \ 1717 "sll\t%L0, %L0, 0\n\t" \ 1718 ".set\tpop" \ 1719 : "=r" (__val)); \ 1720 local_irq_restore(__flags); \ 1721 \ 1722 __val; \ 1723 }) 1724 1725 #define __write_64bit_c0_split(source, sel, val) \ 1726 do { \ 1727 unsigned long long __tmp = (val); \ 1728 unsigned long __flags; \ 1729 \ 1730 local_irq_save(__flags); \ 1731 if (MIPS_ISA_REV >= 2) \ 1732 __asm__ __volatile__( \ 1733 ".set\tpush\n\t" \ 1734 ".set\t" MIPS_ISA_LEVEL "\n\t" \ 1735 "dins\t%L0, %M0, 32, 32\n\t" \ 1736 "dmtc0\t%L0, " #source ", " #sel "\n\t" \ 1737 ".set\tpop" \ 1738 : "+r" (__tmp)); \ 1739 else if (sel == 0) \ 1740 __asm__ __volatile__( \ 1741 ".set\tpush\n\t" \ 1742 ".set\tmips64\n\t" \ 1743 "dsll\t%L0, %L0, 32\n\t" \ 1744 "dsrl\t%L0, %L0, 32\n\t" \ 1745 "dsll\t%M0, %M0, 32\n\t" \ 1746 "or\t%L0, %L0, %M0\n\t" \ 1747 "dmtc0\t%L0, " #source "\n\t" \ 1748 ".set\tpop" \ 1749 : "+r" (__tmp)); \ 1750 else \ 1751 __asm__ __volatile__( \ 1752 ".set\tpush\n\t" \ 1753 ".set\tmips64\n\t" \ 1754 "dsll\t%L0, %L0, 32\n\t" \ 1755 "dsrl\t%L0, %L0, 32\n\t" \ 1756 "dsll\t%M0, %M0, 32\n\t" \ 1757 "or\t%L0, %L0, %M0\n\t" \ 1758 "dmtc0\t%L0, " #source ", " #sel "\n\t" \ 1759 ".set\tpop" \ 1760 : "+r" (__tmp)); \ 1761 local_irq_restore(__flags); \ 1762 } while (0) 1763 1764 #ifndef TOOLCHAIN_SUPPORTS_XPA 1765 #define _ASM_SET_MFHC0 \ 1766 _ASM_MACRO_2R_1S(mfhc0, rt, rs, sel, \ 1767 _ASM_INSN_IF_MIPS(0x40400000 | __rt << 16 | __rs << 11 | \\sel) \ 1768 _ASM_INSN32_IF_MM(0x000000f4 | __rt << 21 | __rs << 16 | \\sel << 11)) 1769 #define _ASM_UNSET_MFHC0 ".purgem mfhc0\n\t" 1770 #define _ASM_SET_MTHC0 \ 1771 _ASM_MACRO_2R_1S(mthc0, rt, rd, sel, \ 1772 _ASM_INSN_IF_MIPS(0x40c00000 | __rt << 16 | __rd << 11 | \\sel) \ 1773 _ASM_INSN32_IF_MM(0x000002f4 | __rt << 21 | __rd << 16 | \\sel << 11)) 1774 #define _ASM_UNSET_MTHC0 ".purgem mthc0\n\t" 1775 #else /* !TOOLCHAIN_SUPPORTS_XPA */ 1776 #define _ASM_SET_MFHC0 ".set\txpa\n\t" 1777 #define _ASM_SET_MTHC0 ".set\txpa\n\t" 1778 #define _ASM_UNSET_MFHC0 1779 #define _ASM_UNSET_MTHC0 1780 #endif 1781 1782 #define __readx_32bit_c0_register(source, sel) \ 1783 ({ \ 1784 unsigned int __res; \ 1785 \ 1786 __asm__ __volatile__( \ 1787 " .set push \n" \ 1788 " .set mips32r2 \n" \ 1789 _ASM_SET_MFHC0 \ 1790 " mfhc0 %0, " #source ", %1 \n" \ 1791 _ASM_UNSET_MFHC0 \ 1792 " .set pop \n" \ 1793 : "=r" (__res) \ 1794 : "i" (sel)); \ 1795 __res; \ 1796 }) 1797 1798 #define __writex_32bit_c0_register(register, sel, value) \ 1799 do { \ 1800 __asm__ __volatile__( \ 1801 " .set push \n" \ 1802 " .set mips32r2 \n" \ 1803 _ASM_SET_MTHC0 \ 1804 " mthc0 %z0, " #register ", %1 \n" \ 1805 _ASM_UNSET_MTHC0 \ 1806 " .set pop \n" \ 1807 : \ 1808 : "Jr" (value), "i" (sel)); \ 1809 } while (0) 1810 1811 #define read_c0_index() __read_32bit_c0_register($0, 0) 1812 #define write_c0_index(val) __write_32bit_c0_register($0, 0, val) 1813 1814 #define read_c0_random() __read_32bit_c0_register($1, 0) 1815 #define write_c0_random(val) __write_32bit_c0_register($1, 0, val) 1816 1817 #define read_c0_entrylo0() __read_ulong_c0_register($2, 0) 1818 #define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val) 1819 1820 #define readx_c0_entrylo0() __readx_32bit_c0_register($2, 0) 1821 #define writex_c0_entrylo0(val) __writex_32bit_c0_register($2, 0, val) 1822 1823 #define read_c0_entrylo1() __read_ulong_c0_register($3, 0) 1824 #define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val) 1825 1826 #define readx_c0_entrylo1() __readx_32bit_c0_register($3, 0) 1827 #define writex_c0_entrylo1(val) __writex_32bit_c0_register($3, 0, val) 1828 1829 #define read_c0_conf() __read_32bit_c0_register($3, 0) 1830 #define write_c0_conf(val) __write_32bit_c0_register($3, 0, val) 1831 1832 #define read_c0_globalnumber() __read_32bit_c0_register($3, 1) 1833 1834 #define read_c0_context() __read_ulong_c0_register($4, 0) 1835 #define write_c0_context(val) __write_ulong_c0_register($4, 0, val) 1836 1837 #define read_c0_contextconfig() __read_32bit_c0_register($4, 1) 1838 #define write_c0_contextconfig(val) __write_32bit_c0_register($4, 1, val) 1839 1840 #define read_c0_userlocal() __read_ulong_c0_register($4, 2) 1841 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val) 1842 1843 #define read_c0_xcontextconfig() __read_ulong_c0_register($4, 3) 1844 #define write_c0_xcontextconfig(val) __write_ulong_c0_register($4, 3, val) 1845 1846 #define read_c0_memorymapid() __read_32bit_c0_register($4, 5) 1847 #define write_c0_memorymapid(val) __write_32bit_c0_register($4, 5, val) 1848 1849 #define read_c0_pagemask() __read_32bit_c0_register($5, 0) 1850 #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val) 1851 1852 #define read_c0_pagegrain() __read_32bit_c0_register($5, 1) 1853 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val) 1854 1855 #define read_c0_wired() __read_32bit_c0_register($6, 0) 1856 #define write_c0_wired(val) __write_32bit_c0_register($6, 0, val) 1857 1858 #define read_c0_info() __read_32bit_c0_register($7, 0) 1859 1860 #define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */ 1861 #define write_c0_cache(val) __write_32bit_c0_register($7, 0, val) 1862 1863 #define read_c0_badvaddr() __read_ulong_c0_register($8, 0) 1864 #define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val) 1865 1866 #define read_c0_badinstr() __read_32bit_c0_register($8, 1) 1867 #define read_c0_badinstrp() __read_32bit_c0_register($8, 2) 1868 1869 #define read_c0_count() __read_32bit_c0_register($9, 0) 1870 #define write_c0_count(val) __write_32bit_c0_register($9, 0, val) 1871 1872 #define read_c0_entryhi() __read_ulong_c0_register($10, 0) 1873 #define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val) 1874 1875 #define read_c0_guestctl1() __read_32bit_c0_register($10, 4) 1876 #define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val) 1877 1878 #define read_c0_guestctl2() __read_32bit_c0_register($10, 5) 1879 #define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val) 1880 1881 #define read_c0_guestctl3() __read_32bit_c0_register($10, 6) 1882 #define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val) 1883 1884 #define read_c0_compare() __read_32bit_c0_register($11, 0) 1885 #define write_c0_compare(val) __write_32bit_c0_register($11, 0, val) 1886 1887 #define read_c0_guestctl0ext() __read_32bit_c0_register($11, 4) 1888 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val) 1889 1890 #define read_c0_status() __read_32bit_c0_register($12, 0) 1891 1892 #define write_c0_status(val) __write_32bit_c0_register($12, 0, val) 1893 1894 #define read_c0_guestctl0() __read_32bit_c0_register($12, 6) 1895 #define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val) 1896 1897 #define read_c0_gtoffset() __read_32bit_c0_register($12, 7) 1898 #define write_c0_gtoffset(val) __write_32bit_c0_register($12, 7, val) 1899 1900 #define read_c0_cause() __read_32bit_c0_register($13, 0) 1901 #define write_c0_cause(val) __write_32bit_c0_register($13, 0, val) 1902 1903 #define read_c0_epc() __read_ulong_c0_register($14, 0) 1904 #define write_c0_epc(val) __write_ulong_c0_register($14, 0, val) 1905 1906 #define read_c0_prid() __read_const_32bit_c0_register($15, 0) 1907 1908 #define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3) 1909 1910 #define read_c0_config() __read_32bit_c0_register($16, 0) 1911 #define read_c0_config1() __read_32bit_c0_register($16, 1) 1912 #define read_c0_config2() __read_32bit_c0_register($16, 2) 1913 #define read_c0_config3() __read_32bit_c0_register($16, 3) 1914 #define read_c0_config4() __read_32bit_c0_register($16, 4) 1915 #define read_c0_config5() __read_32bit_c0_register($16, 5) 1916 #define read_c0_config6() __read_32bit_c0_register($16, 6) 1917 #define read_c0_config7() __read_32bit_c0_register($16, 7) 1918 #define write_c0_config(val) __write_32bit_c0_register($16, 0, val) 1919 #define write_c0_config1(val) __write_32bit_c0_register($16, 1, val) 1920 #define write_c0_config2(val) __write_32bit_c0_register($16, 2, val) 1921 #define write_c0_config3(val) __write_32bit_c0_register($16, 3, val) 1922 #define write_c0_config4(val) __write_32bit_c0_register($16, 4, val) 1923 #define write_c0_config5(val) __write_32bit_c0_register($16, 5, val) 1924 #define write_c0_config6(val) __write_32bit_c0_register($16, 6, val) 1925 #define write_c0_config7(val) __write_32bit_c0_register($16, 7, val) 1926 1927 #define read_c0_lladdr() __read_ulong_c0_register($17, 0) 1928 #define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val) 1929 #define read_c0_maar() __read_ulong_c0_register($17, 1) 1930 #define write_c0_maar(val) __write_ulong_c0_register($17, 1, val) 1931 #define readx_c0_maar() __readx_32bit_c0_register($17, 1) 1932 #define writex_c0_maar(val) __writex_32bit_c0_register($17, 1, val) 1933 #define read_c0_maari() __read_32bit_c0_register($17, 2) 1934 #define write_c0_maari(val) __write_32bit_c0_register($17, 2, val) 1935 1936 /* 1937 * The WatchLo register. There may be up to 8 of them. 1938 */ 1939 #define read_c0_watchlo0() __read_ulong_c0_register($18, 0) 1940 #define read_c0_watchlo1() __read_ulong_c0_register($18, 1) 1941 #define read_c0_watchlo2() __read_ulong_c0_register($18, 2) 1942 #define read_c0_watchlo3() __read_ulong_c0_register($18, 3) 1943 #define read_c0_watchlo4() __read_ulong_c0_register($18, 4) 1944 #define read_c0_watchlo5() __read_ulong_c0_register($18, 5) 1945 #define read_c0_watchlo6() __read_ulong_c0_register($18, 6) 1946 #define read_c0_watchlo7() __read_ulong_c0_register($18, 7) 1947 #define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val) 1948 #define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val) 1949 #define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val) 1950 #define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val) 1951 #define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val) 1952 #define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val) 1953 #define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val) 1954 #define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val) 1955 1956 /* 1957 * The WatchHi register. There may be up to 8 of them. 1958 */ 1959 #define read_c0_watchhi0() __read_32bit_c0_register($19, 0) 1960 #define read_c0_watchhi1() __read_32bit_c0_register($19, 1) 1961 #define read_c0_watchhi2() __read_32bit_c0_register($19, 2) 1962 #define read_c0_watchhi3() __read_32bit_c0_register($19, 3) 1963 #define read_c0_watchhi4() __read_32bit_c0_register($19, 4) 1964 #define read_c0_watchhi5() __read_32bit_c0_register($19, 5) 1965 #define read_c0_watchhi6() __read_32bit_c0_register($19, 6) 1966 #define read_c0_watchhi7() __read_32bit_c0_register($19, 7) 1967 1968 #define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val) 1969 #define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val) 1970 #define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val) 1971 #define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val) 1972 #define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val) 1973 #define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val) 1974 #define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val) 1975 #define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val) 1976 1977 #define read_c0_xcontext() __read_ulong_c0_register($20, 0) 1978 #define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val) 1979 1980 #define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20) 1981 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val) 1982 1983 #define read_c0_framemask() __read_32bit_c0_register($21, 0) 1984 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val) 1985 1986 #define read_c0_diag() __read_32bit_c0_register($22, 0) 1987 #define write_c0_diag(val) __write_32bit_c0_register($22, 0, val) 1988 1989 /* R10K CP0 Branch Diagnostic register is 64bits wide */ 1990 #define read_c0_r10k_diag() __read_64bit_c0_register($22, 0) 1991 #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val) 1992 1993 #define read_c0_diag1() __read_32bit_c0_register($22, 1) 1994 #define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val) 1995 1996 #define read_c0_diag2() __read_32bit_c0_register($22, 2) 1997 #define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val) 1998 1999 #define read_c0_diag3() __read_32bit_c0_register($22, 3) 2000 #define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val) 2001 2002 #define read_c0_diag4() __read_32bit_c0_register($22, 4) 2003 #define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val) 2004 2005 #define read_c0_diag5() __read_32bit_c0_register($22, 5) 2006 #define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val) 2007 2008 #define read_c0_debug() __read_32bit_c0_register($23, 0) 2009 #define write_c0_debug(val) __write_32bit_c0_register($23, 0, val) 2010 2011 #define read_c0_depc() __read_ulong_c0_register($24, 0) 2012 #define write_c0_depc(val) __write_ulong_c0_register($24, 0, val) 2013 2014 /* 2015 * MIPS32 / MIPS64 performance counters 2016 */ 2017 #define read_c0_perfctrl0() __read_32bit_c0_register($25, 0) 2018 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val) 2019 #define read_c0_perfcntr0() __read_32bit_c0_register($25, 1) 2020 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val) 2021 #define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1) 2022 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val) 2023 #define read_c0_perfctrl1() __read_32bit_c0_register($25, 2) 2024 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val) 2025 #define read_c0_perfcntr1() __read_32bit_c0_register($25, 3) 2026 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val) 2027 #define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3) 2028 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val) 2029 #define read_c0_perfctrl2() __read_32bit_c0_register($25, 4) 2030 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val) 2031 #define read_c0_perfcntr2() __read_32bit_c0_register($25, 5) 2032 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val) 2033 #define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5) 2034 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val) 2035 #define read_c0_perfctrl3() __read_32bit_c0_register($25, 6) 2036 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val) 2037 #define read_c0_perfcntr3() __read_32bit_c0_register($25, 7) 2038 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val) 2039 #define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7) 2040 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val) 2041 2042 #define read_c0_ecc() __read_32bit_c0_register($26, 0) 2043 #define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val) 2044 2045 #define read_c0_derraddr0() __read_ulong_c0_register($26, 1) 2046 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val) 2047 2048 #define read_c0_cacheerr() __read_32bit_c0_register($27, 0) 2049 2050 #define read_c0_derraddr1() __read_ulong_c0_register($27, 1) 2051 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val) 2052 2053 #define read_c0_taglo() __read_32bit_c0_register($28, 0) 2054 #define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val) 2055 2056 #define read_c0_dtaglo() __read_32bit_c0_register($28, 2) 2057 #define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val) 2058 2059 #define read_c0_ddatalo() __read_32bit_c0_register($28, 3) 2060 #define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val) 2061 2062 #define read_c0_staglo() __read_32bit_c0_register($28, 4) 2063 #define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val) 2064 2065 #define read_c0_taghi() __read_32bit_c0_register($29, 0) 2066 #define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val) 2067 2068 #define read_c0_errorepc() __read_ulong_c0_register($30, 0) 2069 #define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val) 2070 2071 /* MIPSR2 */ 2072 #define read_c0_hwrena() __read_32bit_c0_register($7, 0) 2073 #define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val) 2074 2075 #define read_c0_intctl() __read_32bit_c0_register($12, 1) 2076 #define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val) 2077 2078 #define read_c0_srsctl() __read_32bit_c0_register($12, 2) 2079 #define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val) 2080 2081 #define read_c0_srsmap() __read_32bit_c0_register($12, 3) 2082 #define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val) 2083 2084 #define read_c0_ebase() __read_32bit_c0_register($15, 1) 2085 #define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val) 2086 2087 #define read_c0_ebase_64() __read_64bit_c0_register($15, 1) 2088 #define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val) 2089 2090 #define read_c0_cdmmbase() __read_ulong_c0_register($15, 2) 2091 #define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val) 2092 2093 /* MIPSR3 */ 2094 #define read_c0_segctl0() __read_32bit_c0_register($5, 2) 2095 #define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val) 2096 2097 #define read_c0_segctl1() __read_32bit_c0_register($5, 3) 2098 #define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val) 2099 2100 #define read_c0_segctl2() __read_32bit_c0_register($5, 4) 2101 #define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val) 2102 2103 /* Hardware Page Table Walker */ 2104 #define read_c0_pwbase() __read_ulong_c0_register($5, 5) 2105 #define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val) 2106 2107 #define read_c0_pwfield() __read_ulong_c0_register($5, 6) 2108 #define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val) 2109 2110 #define read_c0_pwsize() __read_ulong_c0_register($5, 7) 2111 #define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val) 2112 2113 #define read_c0_pwctl() __read_32bit_c0_register($6, 6) 2114 #define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val) 2115 2116 #define read_c0_pgd() __read_64bit_c0_register($9, 7) 2117 #define write_c0_pgd(val) __write_64bit_c0_register($9, 7, val) 2118 2119 #define read_c0_kpgd() __read_64bit_c0_register($31, 7) 2120 #define write_c0_kpgd(val) __write_64bit_c0_register($31, 7, val) 2121 2122 /* Cavium OCTEON (cnMIPS) */ 2123 #define read_c0_cvmcount() __read_ulong_c0_register($9, 6) 2124 #define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val) 2125 2126 #define read_c0_cvmctl() __read_64bit_c0_register($9, 7) 2127 #define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val) 2128 2129 #define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7) 2130 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val) 2131 2132 #define read_c0_cvmmemctl2() __read_64bit_c0_register($16, 6) 2133 #define write_c0_cvmmemctl2(val) __write_64bit_c0_register($16, 6, val) 2134 2135 #define read_c0_cvmvmconfig() __read_64bit_c0_register($16, 7) 2136 #define write_c0_cvmvmconfig(val) __write_64bit_c0_register($16, 7, val) 2137 2138 /* 2139 * The cacheerr registers are not standardized. On OCTEON, they are 2140 * 64 bits wide. 2141 */ 2142 #define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0) 2143 #define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val) 2144 2145 #define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1) 2146 #define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val) 2147 2148 /* BMIPS3300 */ 2149 #define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0) 2150 #define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val) 2151 2152 #define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4) 2153 #define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val) 2154 2155 #define read_c0_brcm_reset() __read_32bit_c0_register($22, 5) 2156 #define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val) 2157 2158 /* BMIPS43xx */ 2159 #define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1) 2160 #define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val) 2161 2162 #define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2) 2163 #define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val) 2164 2165 #define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3) 2166 #define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val) 2167 2168 #define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5) 2169 #define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val) 2170 2171 #define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6) 2172 #define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val) 2173 2174 /* BMIPS5000 */ 2175 #define read_c0_brcm_config() __read_32bit_c0_register($22, 0) 2176 #define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val) 2177 2178 #define read_c0_brcm_mode() __read_32bit_c0_register($22, 1) 2179 #define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val) 2180 2181 #define read_c0_brcm_action() __read_32bit_c0_register($22, 2) 2182 #define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val) 2183 2184 #define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3) 2185 #define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val) 2186 2187 #define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4) 2188 #define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val) 2189 2190 #define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7) 2191 #define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val) 2192 2193 /* Ingenic page ctrl register */ 2194 #define write_c0_page_ctrl(val) __write_32bit_c0_register($5, 4, val) 2195 2196 /* 2197 * Macros to access the guest system control coprocessor 2198 */ 2199 2200 #ifndef TOOLCHAIN_SUPPORTS_VIRT 2201 #define _ASM_SET_MFGC0 \ 2202 _ASM_MACRO_2R_1S(mfgc0, rt, rs, sel, \ 2203 _ASM_INSN_IF_MIPS(0x40600000 | __rt << 16 | __rs << 11 | \\sel) \ 2204 _ASM_INSN32_IF_MM(0x000004fc | __rt << 21 | __rs << 16 | \\sel << 11)) 2205 #define _ASM_UNSET_MFGC0 ".purgem mfgc0\n\t" 2206 #define _ASM_SET_DMFGC0 \ 2207 _ASM_MACRO_2R_1S(dmfgc0, rt, rs, sel, \ 2208 _ASM_INSN_IF_MIPS(0x40600100 | __rt << 16 | __rs << 11 | \\sel) \ 2209 _ASM_INSN32_IF_MM(0x580004fc | __rt << 21 | __rs << 16 | \\sel << 11)) 2210 #define _ASM_UNSET_DMFGC0 ".purgem dmfgc0\n\t" 2211 #define _ASM_SET_MTGC0 \ 2212 _ASM_MACRO_2R_1S(mtgc0, rt, rd, sel, \ 2213 _ASM_INSN_IF_MIPS(0x40600200 | __rt << 16 | __rd << 11 | \\sel) \ 2214 _ASM_INSN32_IF_MM(0x000006fc | __rt << 21 | __rd << 16 | \\sel << 11)) 2215 #define _ASM_UNSET_MTGC0 ".purgem mtgc0\n\t" 2216 #define _ASM_SET_DMTGC0 \ 2217 _ASM_MACRO_2R_1S(dmtgc0, rt, rd, sel, \ 2218 _ASM_INSN_IF_MIPS(0x40600300 | __rt << 16 | __rd << 11 | \\sel) \ 2219 _ASM_INSN32_IF_MM(0x580006fc | __rt << 21 | __rd << 16 | \\sel << 11)) 2220 #define _ASM_UNSET_DMTGC0 ".purgem dmtgc0\n\t" 2221 2222 #define __tlbgp() \ 2223 _ASM_INSN_IF_MIPS(0x42000010) \ 2224 _ASM_INSN32_IF_MM(0x0000017c) 2225 #define __tlbgr() \ 2226 _ASM_INSN_IF_MIPS(0x42000009) \ 2227 _ASM_INSN32_IF_MM(0x0000117c) 2228 #define __tlbgwi() \ 2229 _ASM_INSN_IF_MIPS(0x4200000a) \ 2230 _ASM_INSN32_IF_MM(0x0000217c) 2231 #define __tlbgwr() \ 2232 _ASM_INSN_IF_MIPS(0x4200000e) \ 2233 _ASM_INSN32_IF_MM(0x0000317c) 2234 #define __tlbginvf() \ 2235 _ASM_INSN_IF_MIPS(0x4200000c) \ 2236 _ASM_INSN32_IF_MM(0x0000517c) 2237 #else /* !TOOLCHAIN_SUPPORTS_VIRT */ 2238 #if MIPS_ISA_REV >= 5 2239 #define _ASM_SET_VIRT_ISA 2240 #elif defined(CONFIG_64BIT) 2241 #define _ASM_SET_VIRT_ISA ".set\tmips64r5\n\t" 2242 #else 2243 #define _ASM_SET_VIRT_ISA ".set\tmips32r5\n\t" 2244 #endif 2245 #define _ASM_SET_VIRT _ASM_SET_VIRT_ISA ".set\tvirt\n\t" 2246 #define _ASM_SET_MFGC0 _ASM_SET_VIRT 2247 #define _ASM_SET_DMFGC0 _ASM_SET_VIRT 2248 #define _ASM_SET_MTGC0 _ASM_SET_VIRT 2249 #define _ASM_SET_DMTGC0 _ASM_SET_VIRT 2250 #define _ASM_UNSET_MFGC0 2251 #define _ASM_UNSET_DMFGC0 2252 #define _ASM_UNSET_MTGC0 2253 #define _ASM_UNSET_DMTGC0 2254 2255 #define __tlbgp() _ASM_SET_VIRT "tlbgp\n\t" 2256 #define __tlbgr() _ASM_SET_VIRT "tlbgr\n\t" 2257 #define __tlbgwi() _ASM_SET_VIRT "tlbgwi\n\t" 2258 #define __tlbgwr() _ASM_SET_VIRT "tlbgwr\n\t" 2259 #define __tlbginvf() _ASM_SET_VIRT "tlbginvf\n\t" 2260 #endif 2261 2262 #define __read_32bit_gc0_register(source, sel) \ 2263 ({ int __res; \ 2264 __asm__ __volatile__( \ 2265 ".set\tpush\n\t" \ 2266 _ASM_SET_MFGC0 \ 2267 "mfgc0\t%0, " #source ", %1\n\t" \ 2268 _ASM_UNSET_MFGC0 \ 2269 ".set\tpop" \ 2270 : "=r" (__res) \ 2271 : "i" (sel)); \ 2272 __res; \ 2273 }) 2274 2275 #define __read_64bit_gc0_register(source, sel) \ 2276 ({ unsigned long long __res; \ 2277 __asm__ __volatile__( \ 2278 ".set\tpush\n\t" \ 2279 _ASM_SET_DMFGC0 \ 2280 "dmfgc0\t%0, " #source ", %1\n\t" \ 2281 _ASM_UNSET_DMFGC0 \ 2282 ".set\tpop" \ 2283 : "=r" (__res) \ 2284 : "i" (sel)); \ 2285 __res; \ 2286 }) 2287 2288 #define __write_32bit_gc0_register(register, sel, value) \ 2289 do { \ 2290 __asm__ __volatile__( \ 2291 ".set\tpush\n\t" \ 2292 _ASM_SET_MTGC0 \ 2293 "mtgc0\t%z0, " #register ", %1\n\t" \ 2294 _ASM_UNSET_MTGC0 \ 2295 ".set\tpop" \ 2296 : : "Jr" ((unsigned int)(value)), \ 2297 "i" (sel)); \ 2298 } while (0) 2299 2300 #define __write_64bit_gc0_register(register, sel, value) \ 2301 do { \ 2302 __asm__ __volatile__( \ 2303 ".set\tpush\n\t" \ 2304 _ASM_SET_DMTGC0 \ 2305 "dmtgc0\t%z0, " #register ", %1\n\t" \ 2306 _ASM_UNSET_DMTGC0 \ 2307 ".set\tpop" \ 2308 : : "Jr" (value), \ 2309 "i" (sel)); \ 2310 } while (0) 2311 2312 #define __read_ulong_gc0_register(reg, sel) \ 2313 ((sizeof(unsigned long) == 4) ? \ 2314 (unsigned long) __read_32bit_gc0_register(reg, sel) : \ 2315 (unsigned long) __read_64bit_gc0_register(reg, sel)) 2316 2317 #define __write_ulong_gc0_register(reg, sel, val) \ 2318 do { \ 2319 if (sizeof(unsigned long) == 4) \ 2320 __write_32bit_gc0_register(reg, sel, val); \ 2321 else \ 2322 __write_64bit_gc0_register(reg, sel, val); \ 2323 } while (0) 2324 2325 #define read_gc0_index() __read_32bit_gc0_register($0, 0) 2326 #define write_gc0_index(val) __write_32bit_gc0_register($0, 0, val) 2327 2328 #define read_gc0_entrylo0() __read_ulong_gc0_register($2, 0) 2329 #define write_gc0_entrylo0(val) __write_ulong_gc0_register($2, 0, val) 2330 2331 #define read_gc0_entrylo1() __read_ulong_gc0_register($3, 0) 2332 #define write_gc0_entrylo1(val) __write_ulong_gc0_register($3, 0, val) 2333 2334 #define read_gc0_context() __read_ulong_gc0_register($4, 0) 2335 #define write_gc0_context(val) __write_ulong_gc0_register($4, 0, val) 2336 2337 #define read_gc0_contextconfig() __read_32bit_gc0_register($4, 1) 2338 #define write_gc0_contextconfig(val) __write_32bit_gc0_register($4, 1, val) 2339 2340 #define read_gc0_userlocal() __read_ulong_gc0_register($4, 2) 2341 #define write_gc0_userlocal(val) __write_ulong_gc0_register($4, 2, val) 2342 2343 #define read_gc0_xcontextconfig() __read_ulong_gc0_register($4, 3) 2344 #define write_gc0_xcontextconfig(val) __write_ulong_gc0_register($4, 3, val) 2345 2346 #define read_gc0_pagemask() __read_32bit_gc0_register($5, 0) 2347 #define write_gc0_pagemask(val) __write_32bit_gc0_register($5, 0, val) 2348 2349 #define read_gc0_pagegrain() __read_32bit_gc0_register($5, 1) 2350 #define write_gc0_pagegrain(val) __write_32bit_gc0_register($5, 1, val) 2351 2352 #define read_gc0_segctl0() __read_ulong_gc0_register($5, 2) 2353 #define write_gc0_segctl0(val) __write_ulong_gc0_register($5, 2, val) 2354 2355 #define read_gc0_segctl1() __read_ulong_gc0_register($5, 3) 2356 #define write_gc0_segctl1(val) __write_ulong_gc0_register($5, 3, val) 2357 2358 #define read_gc0_segctl2() __read_ulong_gc0_register($5, 4) 2359 #define write_gc0_segctl2(val) __write_ulong_gc0_register($5, 4, val) 2360 2361 #define read_gc0_pwbase() __read_ulong_gc0_register($5, 5) 2362 #define write_gc0_pwbase(val) __write_ulong_gc0_register($5, 5, val) 2363 2364 #define read_gc0_pwfield() __read_ulong_gc0_register($5, 6) 2365 #define write_gc0_pwfield(val) __write_ulong_gc0_register($5, 6, val) 2366 2367 #define read_gc0_pwsize() __read_ulong_gc0_register($5, 7) 2368 #define write_gc0_pwsize(val) __write_ulong_gc0_register($5, 7, val) 2369 2370 #define read_gc0_wired() __read_32bit_gc0_register($6, 0) 2371 #define write_gc0_wired(val) __write_32bit_gc0_register($6, 0, val) 2372 2373 #define read_gc0_pwctl() __read_32bit_gc0_register($6, 6) 2374 #define write_gc0_pwctl(val) __write_32bit_gc0_register($6, 6, val) 2375 2376 #define read_gc0_hwrena() __read_32bit_gc0_register($7, 0) 2377 #define write_gc0_hwrena(val) __write_32bit_gc0_register($7, 0, val) 2378 2379 #define read_gc0_badvaddr() __read_ulong_gc0_register($8, 0) 2380 #define write_gc0_badvaddr(val) __write_ulong_gc0_register($8, 0, val) 2381 2382 #define read_gc0_badinstr() __read_32bit_gc0_register($8, 1) 2383 #define write_gc0_badinstr(val) __write_32bit_gc0_register($8, 1, val) 2384 2385 #define read_gc0_badinstrp() __read_32bit_gc0_register($8, 2) 2386 #define write_gc0_badinstrp(val) __write_32bit_gc0_register($8, 2, val) 2387 2388 #define read_gc0_count() __read_32bit_gc0_register($9, 0) 2389 2390 #define read_gc0_entryhi() __read_ulong_gc0_register($10, 0) 2391 #define write_gc0_entryhi(val) __write_ulong_gc0_register($10, 0, val) 2392 2393 #define read_gc0_compare() __read_32bit_gc0_register($11, 0) 2394 #define write_gc0_compare(val) __write_32bit_gc0_register($11, 0, val) 2395 2396 #define read_gc0_status() __read_32bit_gc0_register($12, 0) 2397 #define write_gc0_status(val) __write_32bit_gc0_register($12, 0, val) 2398 2399 #define read_gc0_intctl() __read_32bit_gc0_register($12, 1) 2400 #define write_gc0_intctl(val) __write_32bit_gc0_register($12, 1, val) 2401 2402 #define read_gc0_cause() __read_32bit_gc0_register($13, 0) 2403 #define write_gc0_cause(val) __write_32bit_gc0_register($13, 0, val) 2404 2405 #define read_gc0_epc() __read_ulong_gc0_register($14, 0) 2406 #define write_gc0_epc(val) __write_ulong_gc0_register($14, 0, val) 2407 2408 #define read_gc0_prid() __read_32bit_gc0_register($15, 0) 2409 2410 #define read_gc0_ebase() __read_32bit_gc0_register($15, 1) 2411 #define write_gc0_ebase(val) __write_32bit_gc0_register($15, 1, val) 2412 2413 #define read_gc0_ebase_64() __read_64bit_gc0_register($15, 1) 2414 #define write_gc0_ebase_64(val) __write_64bit_gc0_register($15, 1, val) 2415 2416 #define read_gc0_config() __read_32bit_gc0_register($16, 0) 2417 #define read_gc0_config1() __read_32bit_gc0_register($16, 1) 2418 #define read_gc0_config2() __read_32bit_gc0_register($16, 2) 2419 #define read_gc0_config3() __read_32bit_gc0_register($16, 3) 2420 #define read_gc0_config4() __read_32bit_gc0_register($16, 4) 2421 #define read_gc0_config5() __read_32bit_gc0_register($16, 5) 2422 #define read_gc0_config6() __read_32bit_gc0_register($16, 6) 2423 #define read_gc0_config7() __read_32bit_gc0_register($16, 7) 2424 #define write_gc0_config(val) __write_32bit_gc0_register($16, 0, val) 2425 #define write_gc0_config1(val) __write_32bit_gc0_register($16, 1, val) 2426 #define write_gc0_config2(val) __write_32bit_gc0_register($16, 2, val) 2427 #define write_gc0_config3(val) __write_32bit_gc0_register($16, 3, val) 2428 #define write_gc0_config4(val) __write_32bit_gc0_register($16, 4, val) 2429 #define write_gc0_config5(val) __write_32bit_gc0_register($16, 5, val) 2430 #define write_gc0_config6(val) __write_32bit_gc0_register($16, 6, val) 2431 #define write_gc0_config7(val) __write_32bit_gc0_register($16, 7, val) 2432 2433 #define read_gc0_lladdr() __read_ulong_gc0_register($17, 0) 2434 #define write_gc0_lladdr(val) __write_ulong_gc0_register($17, 0, val) 2435 2436 #define read_gc0_watchlo0() __read_ulong_gc0_register($18, 0) 2437 #define read_gc0_watchlo1() __read_ulong_gc0_register($18, 1) 2438 #define read_gc0_watchlo2() __read_ulong_gc0_register($18, 2) 2439 #define read_gc0_watchlo3() __read_ulong_gc0_register($18, 3) 2440 #define read_gc0_watchlo4() __read_ulong_gc0_register($18, 4) 2441 #define read_gc0_watchlo5() __read_ulong_gc0_register($18, 5) 2442 #define read_gc0_watchlo6() __read_ulong_gc0_register($18, 6) 2443 #define read_gc0_watchlo7() __read_ulong_gc0_register($18, 7) 2444 #define write_gc0_watchlo0(val) __write_ulong_gc0_register($18, 0, val) 2445 #define write_gc0_watchlo1(val) __write_ulong_gc0_register($18, 1, val) 2446 #define write_gc0_watchlo2(val) __write_ulong_gc0_register($18, 2, val) 2447 #define write_gc0_watchlo3(val) __write_ulong_gc0_register($18, 3, val) 2448 #define write_gc0_watchlo4(val) __write_ulong_gc0_register($18, 4, val) 2449 #define write_gc0_watchlo5(val) __write_ulong_gc0_register($18, 5, val) 2450 #define write_gc0_watchlo6(val) __write_ulong_gc0_register($18, 6, val) 2451 #define write_gc0_watchlo7(val) __write_ulong_gc0_register($18, 7, val) 2452 2453 #define read_gc0_watchhi0() __read_32bit_gc0_register($19, 0) 2454 #define read_gc0_watchhi1() __read_32bit_gc0_register($19, 1) 2455 #define read_gc0_watchhi2() __read_32bit_gc0_register($19, 2) 2456 #define read_gc0_watchhi3() __read_32bit_gc0_register($19, 3) 2457 #define read_gc0_watchhi4() __read_32bit_gc0_register($19, 4) 2458 #define read_gc0_watchhi5() __read_32bit_gc0_register($19, 5) 2459 #define read_gc0_watchhi6() __read_32bit_gc0_register($19, 6) 2460 #define read_gc0_watchhi7() __read_32bit_gc0_register($19, 7) 2461 #define write_gc0_watchhi0(val) __write_32bit_gc0_register($19, 0, val) 2462 #define write_gc0_watchhi1(val) __write_32bit_gc0_register($19, 1, val) 2463 #define write_gc0_watchhi2(val) __write_32bit_gc0_register($19, 2, val) 2464 #define write_gc0_watchhi3(val) __write_32bit_gc0_register($19, 3, val) 2465 #define write_gc0_watchhi4(val) __write_32bit_gc0_register($19, 4, val) 2466 #define write_gc0_watchhi5(val) __write_32bit_gc0_register($19, 5, val) 2467 #define write_gc0_watchhi6(val) __write_32bit_gc0_register($19, 6, val) 2468 #define write_gc0_watchhi7(val) __write_32bit_gc0_register($19, 7, val) 2469 2470 #define read_gc0_xcontext() __read_ulong_gc0_register($20, 0) 2471 #define write_gc0_xcontext(val) __write_ulong_gc0_register($20, 0, val) 2472 2473 #define read_gc0_perfctrl0() __read_32bit_gc0_register($25, 0) 2474 #define write_gc0_perfctrl0(val) __write_32bit_gc0_register($25, 0, val) 2475 #define read_gc0_perfcntr0() __read_32bit_gc0_register($25, 1) 2476 #define write_gc0_perfcntr0(val) __write_32bit_gc0_register($25, 1, val) 2477 #define read_gc0_perfcntr0_64() __read_64bit_gc0_register($25, 1) 2478 #define write_gc0_perfcntr0_64(val) __write_64bit_gc0_register($25, 1, val) 2479 #define read_gc0_perfctrl1() __read_32bit_gc0_register($25, 2) 2480 #define write_gc0_perfctrl1(val) __write_32bit_gc0_register($25, 2, val) 2481 #define read_gc0_perfcntr1() __read_32bit_gc0_register($25, 3) 2482 #define write_gc0_perfcntr1(val) __write_32bit_gc0_register($25, 3, val) 2483 #define read_gc0_perfcntr1_64() __read_64bit_gc0_register($25, 3) 2484 #define write_gc0_perfcntr1_64(val) __write_64bit_gc0_register($25, 3, val) 2485 #define read_gc0_perfctrl2() __read_32bit_gc0_register($25, 4) 2486 #define write_gc0_perfctrl2(val) __write_32bit_gc0_register($25, 4, val) 2487 #define read_gc0_perfcntr2() __read_32bit_gc0_register($25, 5) 2488 #define write_gc0_perfcntr2(val) __write_32bit_gc0_register($25, 5, val) 2489 #define read_gc0_perfcntr2_64() __read_64bit_gc0_register($25, 5) 2490 #define write_gc0_perfcntr2_64(val) __write_64bit_gc0_register($25, 5, val) 2491 #define read_gc0_perfctrl3() __read_32bit_gc0_register($25, 6) 2492 #define write_gc0_perfctrl3(val) __write_32bit_gc0_register($25, 6, val) 2493 #define read_gc0_perfcntr3() __read_32bit_gc0_register($25, 7) 2494 #define write_gc0_perfcntr3(val) __write_32bit_gc0_register($25, 7, val) 2495 #define read_gc0_perfcntr3_64() __read_64bit_gc0_register($25, 7) 2496 #define write_gc0_perfcntr3_64(val) __write_64bit_gc0_register($25, 7, val) 2497 2498 #define read_gc0_errorepc() __read_ulong_gc0_register($30, 0) 2499 #define write_gc0_errorepc(val) __write_ulong_gc0_register($30, 0, val) 2500 2501 #define read_gc0_kscratch1() __read_ulong_gc0_register($31, 2) 2502 #define read_gc0_kscratch2() __read_ulong_gc0_register($31, 3) 2503 #define read_gc0_kscratch3() __read_ulong_gc0_register($31, 4) 2504 #define read_gc0_kscratch4() __read_ulong_gc0_register($31, 5) 2505 #define read_gc0_kscratch5() __read_ulong_gc0_register($31, 6) 2506 #define read_gc0_kscratch6() __read_ulong_gc0_register($31, 7) 2507 #define write_gc0_kscratch1(val) __write_ulong_gc0_register($31, 2, val) 2508 #define write_gc0_kscratch2(val) __write_ulong_gc0_register($31, 3, val) 2509 #define write_gc0_kscratch3(val) __write_ulong_gc0_register($31, 4, val) 2510 #define write_gc0_kscratch4(val) __write_ulong_gc0_register($31, 5, val) 2511 #define write_gc0_kscratch5(val) __write_ulong_gc0_register($31, 6, val) 2512 #define write_gc0_kscratch6(val) __write_ulong_gc0_register($31, 7, val) 2513 2514 /* Cavium OCTEON (cnMIPS) */ 2515 #define read_gc0_cvmcount() __read_ulong_gc0_register($9, 6) 2516 #define write_gc0_cvmcount(val) __write_ulong_gc0_register($9, 6, val) 2517 2518 #define read_gc0_cvmctl() __read_64bit_gc0_register($9, 7) 2519 #define write_gc0_cvmctl(val) __write_64bit_gc0_register($9, 7, val) 2520 2521 #define read_gc0_cvmmemctl() __read_64bit_gc0_register($11, 7) 2522 #define write_gc0_cvmmemctl(val) __write_64bit_gc0_register($11, 7, val) 2523 2524 #define read_gc0_cvmmemctl2() __read_64bit_gc0_register($16, 6) 2525 #define write_gc0_cvmmemctl2(val) __write_64bit_gc0_register($16, 6, val) 2526 2527 /* 2528 * Macros to access the floating point coprocessor control registers 2529 */ 2530 #define read_32bit_cp1_register(source) \ 2531 ({ \ 2532 unsigned int __res; \ 2533 \ 2534 __asm__ __volatile__( \ 2535 " .set push \n" \ 2536 " .set reorder \n" \ 2537 " # gas fails to assemble cfc1 for some archs, \n" \ 2538 " # like Octeon. \n" \ 2539 " .set mips1 \n" \ 2540 " .set hardfloat \n" \ 2541 " cfc1 %0,"STR(source)" \n" \ 2542 " .set pop \n" \ 2543 : "=r" (__res)); \ 2544 __res; \ 2545 }) 2546 2547 #define write_32bit_cp1_register(dest, val) \ 2548 do { \ 2549 __asm__ __volatile__( \ 2550 " .set push \n" \ 2551 " .set reorder \n" \ 2552 " .set hardfloat \n" \ 2553 " ctc1 %0,"STR(dest)" \n" \ 2554 " .set pop \n" \ 2555 : : "r" (val)); \ 2556 } while (0) 2557 2558 #ifdef TOOLCHAIN_SUPPORTS_DSP 2559 #define rddsp(mask) \ 2560 ({ \ 2561 unsigned int __dspctl; \ 2562 \ 2563 __asm__ __volatile__( \ 2564 " .set push \n" \ 2565 " .set " MIPS_ISA_LEVEL " \n" \ 2566 " .set dsp \n" \ 2567 " rddsp %0, %x1 \n" \ 2568 " .set pop \n" \ 2569 : "=r" (__dspctl) \ 2570 : "i" (mask)); \ 2571 __dspctl; \ 2572 }) 2573 2574 #define wrdsp(val, mask) \ 2575 do { \ 2576 __asm__ __volatile__( \ 2577 " .set push \n" \ 2578 " .set " MIPS_ISA_LEVEL " \n" \ 2579 " .set dsp \n" \ 2580 " wrdsp %0, %x1 \n" \ 2581 " .set pop \n" \ 2582 : \ 2583 : "r" (val), "i" (mask)); \ 2584 } while (0) 2585 2586 #define mflo0() \ 2587 ({ \ 2588 long mflo0; \ 2589 __asm__( \ 2590 " .set push \n" \ 2591 " .set " MIPS_ISA_LEVEL " \n" \ 2592 " .set dsp \n" \ 2593 " mflo %0, $ac0 \n" \ 2594 " .set pop \n" \ 2595 : "=r" (mflo0)); \ 2596 mflo0; \ 2597 }) 2598 2599 #define mflo1() \ 2600 ({ \ 2601 long mflo1; \ 2602 __asm__( \ 2603 " .set push \n" \ 2604 " .set " MIPS_ISA_LEVEL " \n" \ 2605 " .set dsp \n" \ 2606 " mflo %0, $ac1 \n" \ 2607 " .set pop \n" \ 2608 : "=r" (mflo1)); \ 2609 mflo1; \ 2610 }) 2611 2612 #define mflo2() \ 2613 ({ \ 2614 long mflo2; \ 2615 __asm__( \ 2616 " .set push \n" \ 2617 " .set " MIPS_ISA_LEVEL " \n" \ 2618 " .set dsp \n" \ 2619 " mflo %0, $ac2 \n" \ 2620 " .set pop \n" \ 2621 : "=r" (mflo2)); \ 2622 mflo2; \ 2623 }) 2624 2625 #define mflo3() \ 2626 ({ \ 2627 long mflo3; \ 2628 __asm__( \ 2629 " .set push \n" \ 2630 " .set " MIPS_ISA_LEVEL " \n" \ 2631 " .set dsp \n" \ 2632 " mflo %0, $ac3 \n" \ 2633 " .set pop \n" \ 2634 : "=r" (mflo3)); \ 2635 mflo3; \ 2636 }) 2637 2638 #define mfhi0() \ 2639 ({ \ 2640 long mfhi0; \ 2641 __asm__( \ 2642 " .set push \n" \ 2643 " .set " MIPS_ISA_LEVEL " \n" \ 2644 " .set dsp \n" \ 2645 " mfhi %0, $ac0 \n" \ 2646 " .set pop \n" \ 2647 : "=r" (mfhi0)); \ 2648 mfhi0; \ 2649 }) 2650 2651 #define mfhi1() \ 2652 ({ \ 2653 long mfhi1; \ 2654 __asm__( \ 2655 " .set push \n" \ 2656 " .set " MIPS_ISA_LEVEL " \n" \ 2657 " .set dsp \n" \ 2658 " mfhi %0, $ac1 \n" \ 2659 " .set pop \n" \ 2660 : "=r" (mfhi1)); \ 2661 mfhi1; \ 2662 }) 2663 2664 #define mfhi2() \ 2665 ({ \ 2666 long mfhi2; \ 2667 __asm__( \ 2668 " .set push \n" \ 2669 " .set " MIPS_ISA_LEVEL " \n" \ 2670 " .set dsp \n" \ 2671 " mfhi %0, $ac2 \n" \ 2672 " .set pop \n" \ 2673 : "=r" (mfhi2)); \ 2674 mfhi2; \ 2675 }) 2676 2677 #define mfhi3() \ 2678 ({ \ 2679 long mfhi3; \ 2680 __asm__( \ 2681 " .set push \n" \ 2682 " .set " MIPS_ISA_LEVEL " \n" \ 2683 " .set dsp \n" \ 2684 " mfhi %0, $ac3 \n" \ 2685 " .set pop \n" \ 2686 : "=r" (mfhi3)); \ 2687 mfhi3; \ 2688 }) 2689 2690 2691 #define mtlo0(x) \ 2692 ({ \ 2693 __asm__( \ 2694 " .set push \n" \ 2695 " .set " MIPS_ISA_LEVEL " \n" \ 2696 " .set dsp \n" \ 2697 " mtlo %0, $ac0 \n" \ 2698 " .set pop \n" \ 2699 : \ 2700 : "r" (x)); \ 2701 }) 2702 2703 #define mtlo1(x) \ 2704 ({ \ 2705 __asm__( \ 2706 " .set push \n" \ 2707 " .set " MIPS_ISA_LEVEL " \n" \ 2708 " .set dsp \n" \ 2709 " mtlo %0, $ac1 \n" \ 2710 " .set pop \n" \ 2711 : \ 2712 : "r" (x)); \ 2713 }) 2714 2715 #define mtlo2(x) \ 2716 ({ \ 2717 __asm__( \ 2718 " .set push \n" \ 2719 " .set " MIPS_ISA_LEVEL " \n" \ 2720 " .set dsp \n" \ 2721 " mtlo %0, $ac2 \n" \ 2722 " .set pop \n" \ 2723 : \ 2724 : "r" (x)); \ 2725 }) 2726 2727 #define mtlo3(x) \ 2728 ({ \ 2729 __asm__( \ 2730 " .set push \n" \ 2731 " .set " MIPS_ISA_LEVEL " \n" \ 2732 " .set dsp \n" \ 2733 " mtlo %0, $ac3 \n" \ 2734 " .set pop \n" \ 2735 : \ 2736 : "r" (x)); \ 2737 }) 2738 2739 #define mthi0(x) \ 2740 ({ \ 2741 __asm__( \ 2742 " .set push \n" \ 2743 " .set " MIPS_ISA_LEVEL " \n" \ 2744 " .set dsp \n" \ 2745 " mthi %0, $ac0 \n" \ 2746 " .set pop \n" \ 2747 : \ 2748 : "r" (x)); \ 2749 }) 2750 2751 #define mthi1(x) \ 2752 ({ \ 2753 __asm__( \ 2754 " .set push \n" \ 2755 " .set " MIPS_ISA_LEVEL " \n" \ 2756 " .set dsp \n" \ 2757 " mthi %0, $ac1 \n" \ 2758 " .set pop \n" \ 2759 : \ 2760 : "r" (x)); \ 2761 }) 2762 2763 #define mthi2(x) \ 2764 ({ \ 2765 __asm__( \ 2766 " .set push \n" \ 2767 " .set " MIPS_ISA_LEVEL " \n" \ 2768 " .set dsp \n" \ 2769 " mthi %0, $ac2 \n" \ 2770 " .set pop \n" \ 2771 : \ 2772 : "r" (x)); \ 2773 }) 2774 2775 #define mthi3(x) \ 2776 ({ \ 2777 __asm__( \ 2778 " .set push \n" \ 2779 " .set " MIPS_ISA_LEVEL " \n" \ 2780 " .set dsp \n" \ 2781 " mthi %0, $ac3 \n" \ 2782 " .set pop \n" \ 2783 : \ 2784 : "r" (x)); \ 2785 }) 2786 2787 #else 2788 2789 #define rddsp(mask) \ 2790 ({ \ 2791 unsigned int __res; \ 2792 \ 2793 __asm__ __volatile__( \ 2794 " .set push \n" \ 2795 " .set noat \n" \ 2796 " # rddsp $1, %x1 \n" \ 2797 _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16)) \ 2798 _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14)) \ 2799 " move %0, $1 \n" \ 2800 " .set pop \n" \ 2801 : "=r" (__res) \ 2802 : "i" (mask)); \ 2803 __res; \ 2804 }) 2805 2806 #define wrdsp(val, mask) \ 2807 do { \ 2808 __asm__ __volatile__( \ 2809 " .set push \n" \ 2810 " .set noat \n" \ 2811 " move $1, %0 \n" \ 2812 " # wrdsp $1, %x1 \n" \ 2813 _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11)) \ 2814 _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14)) \ 2815 " .set pop \n" \ 2816 : \ 2817 : "r" (val), "i" (mask)); \ 2818 } while (0) 2819 2820 #define _dsp_mfxxx(ins) \ 2821 ({ \ 2822 unsigned long __treg; \ 2823 \ 2824 __asm__ __volatile__( \ 2825 " .set push \n" \ 2826 " .set noat \n" \ 2827 _ASM_INSN_IF_MIPS(0x00000810 | %X1) \ 2828 _ASM_INSN32_IF_MM(0x0001007c | %x1) \ 2829 " move %0, $1 \n" \ 2830 " .set pop \n" \ 2831 : "=r" (__treg) \ 2832 : "i" (ins)); \ 2833 __treg; \ 2834 }) 2835 2836 #define _dsp_mtxxx(val, ins) \ 2837 do { \ 2838 __asm__ __volatile__( \ 2839 " .set push \n" \ 2840 " .set noat \n" \ 2841 " move $1, %0 \n" \ 2842 _ASM_INSN_IF_MIPS(0x00200011 | %X1) \ 2843 _ASM_INSN32_IF_MM(0x0001207c | %x1) \ 2844 " .set pop \n" \ 2845 : \ 2846 : "r" (val), "i" (ins)); \ 2847 } while (0) 2848 2849 #ifdef CONFIG_CPU_MICROMIPS 2850 2851 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000) 2852 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000) 2853 2854 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000)) 2855 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000)) 2856 2857 #else /* !CONFIG_CPU_MICROMIPS */ 2858 2859 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002) 2860 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000) 2861 2862 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002)) 2863 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000)) 2864 2865 #endif /* CONFIG_CPU_MICROMIPS */ 2866 2867 #define mflo0() _dsp_mflo(0) 2868 #define mflo1() _dsp_mflo(1) 2869 #define mflo2() _dsp_mflo(2) 2870 #define mflo3() _dsp_mflo(3) 2871 2872 #define mfhi0() _dsp_mfhi(0) 2873 #define mfhi1() _dsp_mfhi(1) 2874 #define mfhi2() _dsp_mfhi(2) 2875 #define mfhi3() _dsp_mfhi(3) 2876 2877 #define mtlo0(x) _dsp_mtlo(x, 0) 2878 #define mtlo1(x) _dsp_mtlo(x, 1) 2879 #define mtlo2(x) _dsp_mtlo(x, 2) 2880 #define mtlo3(x) _dsp_mtlo(x, 3) 2881 2882 #define mthi0(x) _dsp_mthi(x, 0) 2883 #define mthi1(x) _dsp_mthi(x, 1) 2884 #define mthi2(x) _dsp_mthi(x, 2) 2885 #define mthi3(x) _dsp_mthi(x, 3) 2886 2887 #endif 2888 2889 /* 2890 * TLB operations. 2891 * 2892 * It is responsibility of the caller to take care of any TLB hazards. 2893 */ 2894 static inline void tlb_probe(void) 2895 { 2896 __asm__ __volatile__( 2897 ".set noreorder\n\t" 2898 "tlbp\n\t" 2899 ".set reorder"); 2900 } 2901 2902 static inline void tlb_read(void) 2903 { 2904 #ifdef CONFIG_WAR_MIPS34K_MISSED_ITLB 2905 int res = 0; 2906 2907 __asm__ __volatile__( 2908 " .set push \n" 2909 " .set noreorder \n" 2910 " .set noat \n" 2911 " .set mips32r2 \n" 2912 " .word 0x41610001 # dvpe $1 \n" 2913 " move %0, $1 \n" 2914 " ehb \n" 2915 " .set pop \n" 2916 : "=r" (res)); 2917 2918 instruction_hazard(); 2919 #endif 2920 2921 __asm__ __volatile__( 2922 ".set noreorder\n\t" 2923 "tlbr\n\t" 2924 ".set reorder"); 2925 2926 #ifdef CONFIG_WAR_MIPS34K_MISSED_ITLB 2927 if ((res & _ULCAST_(1))) 2928 __asm__ __volatile__( 2929 " .set push \n" 2930 " .set noreorder \n" 2931 " .set noat \n" 2932 " .set mips32r2 \n" 2933 " .word 0x41600021 # evpe \n" 2934 " ehb \n" 2935 " .set pop \n"); 2936 #endif 2937 } 2938 2939 static inline void tlb_write_indexed(void) 2940 { 2941 __asm__ __volatile__( 2942 ".set noreorder\n\t" 2943 "tlbwi\n\t" 2944 ".set reorder"); 2945 } 2946 2947 static inline void tlb_write_random(void) 2948 { 2949 __asm__ __volatile__( 2950 ".set noreorder\n\t" 2951 "tlbwr\n\t" 2952 ".set reorder"); 2953 } 2954 2955 /* 2956 * Guest TLB operations. 2957 * 2958 * It is responsibility of the caller to take care of any TLB hazards. 2959 */ 2960 static inline void guest_tlb_probe(void) 2961 { 2962 __asm__ __volatile__( 2963 ".set push\n\t" 2964 ".set noreorder\n\t" 2965 __tlbgp() 2966 ".set pop"); 2967 } 2968 2969 static inline void guest_tlb_read(void) 2970 { 2971 __asm__ __volatile__( 2972 ".set push\n\t" 2973 ".set noreorder\n\t" 2974 __tlbgr() 2975 ".set pop"); 2976 } 2977 2978 static inline void guest_tlb_write_indexed(void) 2979 { 2980 __asm__ __volatile__( 2981 ".set push\n\t" 2982 ".set noreorder\n\t" 2983 __tlbgwi() 2984 ".set pop"); 2985 } 2986 2987 static inline void guest_tlb_write_random(void) 2988 { 2989 __asm__ __volatile__( 2990 ".set push\n\t" 2991 ".set noreorder\n\t" 2992 __tlbgwr() 2993 ".set pop"); 2994 } 2995 2996 /* 2997 * Guest TLB Invalidate Flush 2998 */ 2999 static inline void guest_tlbinvf(void) 3000 { 3001 __asm__ __volatile__( 3002 ".set push\n\t" 3003 ".set noreorder\n\t" 3004 __tlbginvf() 3005 ".set pop"); 3006 } 3007 3008 /* 3009 * Manipulate bits in a register. 3010 */ 3011 #define __BUILD_SET_COMMON(name) \ 3012 static inline unsigned int \ 3013 set_##name(unsigned int set) \ 3014 { \ 3015 unsigned int res, new; \ 3016 \ 3017 res = read_##name(); \ 3018 new = res | set; \ 3019 write_##name(new); \ 3020 \ 3021 return res; \ 3022 } \ 3023 \ 3024 static inline unsigned int \ 3025 clear_##name(unsigned int clear) \ 3026 { \ 3027 unsigned int res, new; \ 3028 \ 3029 res = read_##name(); \ 3030 new = res & ~clear; \ 3031 write_##name(new); \ 3032 \ 3033 return res; \ 3034 } \ 3035 \ 3036 static inline unsigned int \ 3037 change_##name(unsigned int change, unsigned int val) \ 3038 { \ 3039 unsigned int res, new; \ 3040 \ 3041 res = read_##name(); \ 3042 new = res & ~change; \ 3043 new |= (val & change); \ 3044 write_##name(new); \ 3045 \ 3046 return res; \ 3047 } 3048 3049 /* 3050 * Manipulate bits in a c0 register. 3051 */ 3052 #define __BUILD_SET_C0(name) __BUILD_SET_COMMON(c0_##name) 3053 3054 __BUILD_SET_C0(status) 3055 __BUILD_SET_C0(cause) 3056 __BUILD_SET_C0(config) 3057 __BUILD_SET_C0(config5) 3058 __BUILD_SET_C0(config6) 3059 __BUILD_SET_C0(config7) 3060 __BUILD_SET_C0(diag) 3061 __BUILD_SET_C0(intcontrol) 3062 __BUILD_SET_C0(intctl) 3063 __BUILD_SET_C0(srsmap) 3064 __BUILD_SET_C0(pagegrain) 3065 __BUILD_SET_C0(guestctl0) 3066 __BUILD_SET_C0(guestctl0ext) 3067 __BUILD_SET_C0(guestctl1) 3068 __BUILD_SET_C0(guestctl2) 3069 __BUILD_SET_C0(guestctl3) 3070 __BUILD_SET_C0(brcm_config_0) 3071 __BUILD_SET_C0(brcm_bus_pll) 3072 __BUILD_SET_C0(brcm_reset) 3073 __BUILD_SET_C0(brcm_cmt_intr) 3074 __BUILD_SET_C0(brcm_cmt_ctrl) 3075 __BUILD_SET_C0(brcm_config) 3076 __BUILD_SET_C0(brcm_mode) 3077 3078 /* 3079 * Manipulate bits in a guest c0 register. 3080 */ 3081 #define __BUILD_SET_GC0(name) __BUILD_SET_COMMON(gc0_##name) 3082 3083 __BUILD_SET_GC0(wired) 3084 __BUILD_SET_GC0(status) 3085 __BUILD_SET_GC0(cause) 3086 __BUILD_SET_GC0(ebase) 3087 __BUILD_SET_GC0(config1) 3088 3089 /* 3090 * Return low 10 bits of ebase. 3091 * Note that under KVM (MIPSVZ) this returns vcpu id. 3092 */ 3093 static inline unsigned int get_ebase_cpunum(void) 3094 { 3095 return read_c0_ebase() & MIPS_EBASE_CPUNUM; 3096 } 3097 3098 #endif /* !__ASSEMBLY__ */ 3099 3100 #endif /* _ASM_MIPSREGS_H */ 3101