1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Copyright (C) 1994, 1995, 1996, 1997, 2000, 2001 by Ralf Baechle 4 * Copyright (C) 2000 Silicon Graphics, Inc. 5 * Modified for further R[236]000 support by Paul M. Antoine, 1996. 6 * Kevin D. Kissell, kevink (at) mips.com and Carsten Langgaard, carstenl (at) mips.com 7 * Copyright (C) 2000, 07 MIPS Technologies, Inc. 8 * Copyright (C) 2003, 2004 Maciej W. Rozycki 9 */ 10 #ifndef _ASM_MIPSREGS_H 11 #define _ASM_MIPSREGS_H 12 13 /* 14 * The following macros are especially useful for __asm__ 15 * inline assembler. 16 */ 17 #ifndef __STR 18 #define __STR(x) #x 19 #endif 20 #ifndef STR 21 #define STR(x) __STR(x) 22 #endif 23 24 /* 25 * Configure language 26 */ 27 #ifdef __ASSEMBLY__ 28 #define _ULCAST_ 29 #else 30 #define _ULCAST_ (unsigned long) 31 #endif 32 33 /* 34 * Coprocessor 0 register names 35 */ 36 #define CP0_INDEX $0 37 #define CP0_RANDOM $1 38 #define CP0_ENTRYLO0 $2 39 #define CP0_ENTRYLO1 $3 40 #define CP0_CONF $3 41 #define CP0_GLOBALNUMBER $3, 1 42 #define CP0_CONTEXT $4 43 #define CP0_PAGEMASK $5 44 #define CP0_WIRED $6 45 #define CP0_INFO $7 46 #define CP0_HWRENA $7, 0 47 #define CP0_BADVADDR $8 48 #define CP0_BADINSTR $8, 1 49 #define CP0_COUNT $9 50 #define CP0_ENTRYHI $10 51 #define CP0_COMPARE $11 52 #define CP0_STATUS $12 53 #define CP0_CAUSE $13 54 #define CP0_EPC $14 55 #define CP0_PRID $15 56 #define CP0_EBASE $15, 1 57 #define CP0_CMGCRBASE $15, 3 58 #define CP0_CONFIG $16 59 #define CP0_CONFIG3 $16, 3 60 #define CP0_CONFIG5 $16, 5 61 #define CP0_LLADDR $17 62 #define CP0_WATCHLO $18 63 #define CP0_WATCHHI $19 64 #define CP0_XCONTEXT $20 65 #define CP0_FRAMEMASK $21 66 #define CP0_DIAGNOSTIC $22 67 #define CP0_DEBUG $23 68 #define CP0_DEPC $24 69 #define CP0_PERFORMANCE $25 70 #define CP0_ECC $26 71 #define CP0_CACHEERR $27 72 #define CP0_TAGLO $28 73 #define CP0_TAGHI $29 74 #define CP0_ERROREPC $30 75 #define CP0_DESAVE $31 76 77 /* 78 * R4640/R4650 cp0 register names. These registers are listed 79 * here only for completeness; without MMU these CPUs are not useable 80 * by Linux. A future ELKS port might take make Linux run on them 81 * though ... 82 */ 83 #define CP0_IBASE $0 84 #define CP0_IBOUND $1 85 #define CP0_DBASE $2 86 #define CP0_DBOUND $3 87 #define CP0_CALG $17 88 #define CP0_IWATCH $18 89 #define CP0_DWATCH $19 90 91 /* 92 * Coprocessor 0 Set 1 register names 93 */ 94 #define CP0_S1_DERRADDR0 $26 95 #define CP0_S1_DERRADDR1 $27 96 #define CP0_S1_INTCONTROL $20 97 98 /* 99 * Coprocessor 0 Set 2 register names 100 */ 101 #define CP0_S2_SRSCTL $12 /* MIPSR2 */ 102 103 /* 104 * Coprocessor 0 Set 3 register names 105 */ 106 #define CP0_S3_SRSMAP $12 /* MIPSR2 */ 107 108 /* 109 * TX39 Series 110 */ 111 #define CP0_TX39_CACHE $7 112 113 114 /* Generic EntryLo bit definitions */ 115 #define ENTRYLO_G (_ULCAST_(1) << 0) 116 #define ENTRYLO_V (_ULCAST_(1) << 1) 117 #define ENTRYLO_D (_ULCAST_(1) << 2) 118 #define ENTRYLO_C_SHIFT 3 119 #define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT) 120 121 /* R3000 EntryLo bit definitions */ 122 #define R3K_ENTRYLO_G (_ULCAST_(1) << 8) 123 #define R3K_ENTRYLO_V (_ULCAST_(1) << 9) 124 #define R3K_ENTRYLO_D (_ULCAST_(1) << 10) 125 #define R3K_ENTRYLO_N (_ULCAST_(1) << 11) 126 127 /* MIPS32/64 EntryLo bit definitions */ 128 #define MIPS_ENTRYLO_PFN_SHIFT 6 129 #define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2)) 130 #define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1)) 131 132 /* 133 * Values for PageMask register 134 */ 135 #ifdef CONFIG_CPU_VR41XX 136 137 /* Why doesn't stupidity hurt ... */ 138 139 #define PM_1K 0x00000000 140 #define PM_4K 0x00001800 141 #define PM_16K 0x00007800 142 #define PM_64K 0x0001f800 143 #define PM_256K 0x0007f800 144 145 #else 146 147 #define PM_4K 0x00000000 148 #define PM_8K 0x00002000 149 #define PM_16K 0x00006000 150 #define PM_32K 0x0000e000 151 #define PM_64K 0x0001e000 152 #define PM_128K 0x0003e000 153 #define PM_256K 0x0007e000 154 #define PM_512K 0x000fe000 155 #define PM_1M 0x001fe000 156 #define PM_2M 0x003fe000 157 #define PM_4M 0x007fe000 158 #define PM_8M 0x00ffe000 159 #define PM_16M 0x01ffe000 160 #define PM_32M 0x03ffe000 161 #define PM_64M 0x07ffe000 162 #define PM_256M 0x1fffe000 163 #define PM_1G 0x7fffe000 164 165 #endif 166 167 /* 168 * Values used for computation of new tlb entries 169 */ 170 #define PL_4K 12 171 #define PL_16K 14 172 #define PL_64K 16 173 #define PL_256K 18 174 #define PL_1M 20 175 #define PL_4M 22 176 #define PL_16M 24 177 #define PL_64M 26 178 #define PL_256M 28 179 180 /* 181 * PageGrain bits 182 */ 183 #define PG_RIE (_ULCAST_(1) << 31) 184 #define PG_XIE (_ULCAST_(1) << 30) 185 #define PG_ELPA (_ULCAST_(1) << 29) 186 #define PG_ESP (_ULCAST_(1) << 28) 187 #define PG_IEC (_ULCAST_(1) << 27) 188 189 /* MIPS32/64 EntryHI bit definitions */ 190 #define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10) 191 192 /* 193 * R4x00 interrupt enable / cause bits 194 */ 195 #define IE_SW0 (_ULCAST_(1) << 8) 196 #define IE_SW1 (_ULCAST_(1) << 9) 197 #define IE_IRQ0 (_ULCAST_(1) << 10) 198 #define IE_IRQ1 (_ULCAST_(1) << 11) 199 #define IE_IRQ2 (_ULCAST_(1) << 12) 200 #define IE_IRQ3 (_ULCAST_(1) << 13) 201 #define IE_IRQ4 (_ULCAST_(1) << 14) 202 #define IE_IRQ5 (_ULCAST_(1) << 15) 203 204 /* 205 * R4x00 interrupt cause bits 206 */ 207 #define C_SW0 (_ULCAST_(1) << 8) 208 #define C_SW1 (_ULCAST_(1) << 9) 209 #define C_IRQ0 (_ULCAST_(1) << 10) 210 #define C_IRQ1 (_ULCAST_(1) << 11) 211 #define C_IRQ2 (_ULCAST_(1) << 12) 212 #define C_IRQ3 (_ULCAST_(1) << 13) 213 #define C_IRQ4 (_ULCAST_(1) << 14) 214 #define C_IRQ5 (_ULCAST_(1) << 15) 215 216 /* 217 * Bitfields in the R4xx0 cp0 status register 218 */ 219 #define ST0_IE 0x00000001 220 #define ST0_EXL 0x00000002 221 #define ST0_ERL 0x00000004 222 #define ST0_KSU 0x00000018 223 # define KSU_USER 0x00000010 224 # define KSU_SUPERVISOR 0x00000008 225 # define KSU_KERNEL 0x00000000 226 #define ST0_UX 0x00000020 227 #define ST0_SX 0x00000040 228 #define ST0_KX 0x00000080 229 #define ST0_DE 0x00010000 230 #define ST0_CE 0x00020000 231 232 /* 233 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate 234 * cacheops in userspace. This bit exists only on RM7000 and RM9000 235 * processors. 236 */ 237 #define ST0_CO 0x08000000 238 239 /* 240 * Bitfields in the R[23]000 cp0 status register. 241 */ 242 #define ST0_IEC 0x00000001 243 #define ST0_KUC 0x00000002 244 #define ST0_IEP 0x00000004 245 #define ST0_KUP 0x00000008 246 #define ST0_IEO 0x00000010 247 #define ST0_KUO 0x00000020 248 /* bits 6 & 7 are reserved on R[23]000 */ 249 #define ST0_ISC 0x00010000 250 #define ST0_SWC 0x00020000 251 #define ST0_CM 0x00080000 252 253 /* 254 * Bits specific to the R4640/R4650 255 */ 256 #define ST0_UM (_ULCAST_(1) << 4) 257 #define ST0_IL (_ULCAST_(1) << 23) 258 #define ST0_DL (_ULCAST_(1) << 24) 259 260 /* 261 * Enable the MIPS MDMX and DSP ASEs 262 */ 263 #define ST0_MX 0x01000000 264 265 /* 266 * Status register bits available in all MIPS CPUs. 267 */ 268 #define ST0_IM 0x0000ff00 269 #define STATUSB_IP0 8 270 #define STATUSF_IP0 (_ULCAST_(1) << 8) 271 #define STATUSB_IP1 9 272 #define STATUSF_IP1 (_ULCAST_(1) << 9) 273 #define STATUSB_IP2 10 274 #define STATUSF_IP2 (_ULCAST_(1) << 10) 275 #define STATUSB_IP3 11 276 #define STATUSF_IP3 (_ULCAST_(1) << 11) 277 #define STATUSB_IP4 12 278 #define STATUSF_IP4 (_ULCAST_(1) << 12) 279 #define STATUSB_IP5 13 280 #define STATUSF_IP5 (_ULCAST_(1) << 13) 281 #define STATUSB_IP6 14 282 #define STATUSF_IP6 (_ULCAST_(1) << 14) 283 #define STATUSB_IP7 15 284 #define STATUSF_IP7 (_ULCAST_(1) << 15) 285 #define STATUSB_IP8 0 286 #define STATUSF_IP8 (_ULCAST_(1) << 0) 287 #define STATUSB_IP9 1 288 #define STATUSF_IP9 (_ULCAST_(1) << 1) 289 #define STATUSB_IP10 2 290 #define STATUSF_IP10 (_ULCAST_(1) << 2) 291 #define STATUSB_IP11 3 292 #define STATUSF_IP11 (_ULCAST_(1) << 3) 293 #define STATUSB_IP12 4 294 #define STATUSF_IP12 (_ULCAST_(1) << 4) 295 #define STATUSB_IP13 5 296 #define STATUSF_IP13 (_ULCAST_(1) << 5) 297 #define STATUSB_IP14 6 298 #define STATUSF_IP14 (_ULCAST_(1) << 6) 299 #define STATUSB_IP15 7 300 #define STATUSF_IP15 (_ULCAST_(1) << 7) 301 #define ST0_IMPL (_ULCAST_(3) << 16) 302 #define ST0_CH 0x00040000 303 #define ST0_NMI 0x00080000 304 #define ST0_SR 0x00100000 305 #define ST0_TS 0x00200000 306 #define ST0_BEV 0x00400000 307 #define ST0_RE 0x02000000 308 #define ST0_FR 0x04000000 309 #define ST0_CU 0xf0000000 310 #define ST0_CU0 0x10000000 311 #define ST0_CU1 0x20000000 312 #define ST0_CU2 0x40000000 313 #define ST0_CU3 0x80000000 314 #define ST0_XX 0x80000000 /* MIPS IV naming */ 315 316 /* 317 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2) 318 */ 319 #define INTCTLB_IPFDC 23 320 #define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC) 321 #define INTCTLB_IPPCI 26 322 #define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI) 323 #define INTCTLB_IPTI 29 324 #define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI) 325 326 /* 327 * Bitfields and bit numbers in the coprocessor 0 cause register. 328 * 329 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation. 330 */ 331 #define CAUSEB_EXCCODE 2 332 #define CAUSEF_EXCCODE (_ULCAST_(31) << 2) 333 #define CAUSEB_IP 8 334 #define CAUSEF_IP (_ULCAST_(255) << 8) 335 #define CAUSEB_IP0 8 336 #define CAUSEF_IP0 (_ULCAST_(1) << 8) 337 #define CAUSEB_IP1 9 338 #define CAUSEF_IP1 (_ULCAST_(1) << 9) 339 #define CAUSEB_IP2 10 340 #define CAUSEF_IP2 (_ULCAST_(1) << 10) 341 #define CAUSEB_IP3 11 342 #define CAUSEF_IP3 (_ULCAST_(1) << 11) 343 #define CAUSEB_IP4 12 344 #define CAUSEF_IP4 (_ULCAST_(1) << 12) 345 #define CAUSEB_IP5 13 346 #define CAUSEF_IP5 (_ULCAST_(1) << 13) 347 #define CAUSEB_IP6 14 348 #define CAUSEF_IP6 (_ULCAST_(1) << 14) 349 #define CAUSEB_IP7 15 350 #define CAUSEF_IP7 (_ULCAST_(1) << 15) 351 #define CAUSEB_FDCI 21 352 #define CAUSEF_FDCI (_ULCAST_(1) << 21) 353 #define CAUSEB_IV 23 354 #define CAUSEF_IV (_ULCAST_(1) << 23) 355 #define CAUSEB_PCI 26 356 #define CAUSEF_PCI (_ULCAST_(1) << 26) 357 #define CAUSEB_CE 28 358 #define CAUSEF_CE (_ULCAST_(3) << 28) 359 #define CAUSEB_TI 30 360 #define CAUSEF_TI (_ULCAST_(1) << 30) 361 #define CAUSEB_BD 31 362 #define CAUSEF_BD (_ULCAST_(1) << 31) 363 364 /* 365 * Bits in the coprocessor 0 EBase register. 366 */ 367 #define EBASE_CPUNUM 0x3ff 368 369 /* 370 * Bits in the coprocessor 0 config register. 371 */ 372 /* Generic bits. */ 373 #define CONF_CM_CACHABLE_NO_WA 0 374 #define CONF_CM_CACHABLE_WA 1 375 #define CONF_CM_UNCACHED 2 376 #define CONF_CM_CACHABLE_NONCOHERENT 3 377 #define CONF_CM_CACHABLE_CE 4 378 #define CONF_CM_CACHABLE_COW 5 379 #define CONF_CM_CACHABLE_CUW 6 380 #define CONF_CM_CACHABLE_ACCELERATED 7 381 #define CONF_CM_CMASK 7 382 #define CONF_BE (_ULCAST_(1) << 15) 383 384 /* Bits common to various processors. */ 385 #define CONF_CU (_ULCAST_(1) << 3) 386 #define CONF_DB (_ULCAST_(1) << 4) 387 #define CONF_IB (_ULCAST_(1) << 5) 388 #define CONF_DC (_ULCAST_(7) << 6) 389 #define CONF_IC (_ULCAST_(7) << 9) 390 #define CONF_EB (_ULCAST_(1) << 13) 391 #define CONF_EM (_ULCAST_(1) << 14) 392 #define CONF_SM (_ULCAST_(1) << 16) 393 #define CONF_SC (_ULCAST_(1) << 17) 394 #define CONF_EW (_ULCAST_(3) << 18) 395 #define CONF_EP (_ULCAST_(15) << 24) 396 #define CONF_EC (_ULCAST_(7) << 28) 397 #define CONF_CM (_ULCAST_(1) << 31) 398 399 /* Bits specific to the R4xx0. */ 400 #define R4K_CONF_SW (_ULCAST_(1) << 20) 401 #define R4K_CONF_SS (_ULCAST_(1) << 21) 402 #define R4K_CONF_SB (_ULCAST_(3) << 22) 403 404 /* Bits specific to the R5000. */ 405 #define R5K_CONF_SE (_ULCAST_(1) << 12) 406 #define R5K_CONF_SS (_ULCAST_(3) << 20) 407 408 /* Bits specific to the RM7000. */ 409 #define RM7K_CONF_SE (_ULCAST_(1) << 3) 410 #define RM7K_CONF_TE (_ULCAST_(1) << 12) 411 #define RM7K_CONF_CLK (_ULCAST_(1) << 16) 412 #define RM7K_CONF_TC (_ULCAST_(1) << 17) 413 #define RM7K_CONF_SI (_ULCAST_(3) << 20) 414 #define RM7K_CONF_SC (_ULCAST_(1) << 31) 415 416 /* Bits specific to the R10000. */ 417 #define R10K_CONF_DN (_ULCAST_(3) << 3) 418 #define R10K_CONF_CT (_ULCAST_(1) << 5) 419 #define R10K_CONF_PE (_ULCAST_(1) << 6) 420 #define R10K_CONF_PM (_ULCAST_(3) << 7) 421 #define R10K_CONF_EC (_ULCAST_(15) << 9) 422 #define R10K_CONF_SB (_ULCAST_(1) << 13) 423 #define R10K_CONF_SK (_ULCAST_(1) << 14) 424 #define R10K_CONF_SS (_ULCAST_(7) << 16) 425 #define R10K_CONF_SC (_ULCAST_(7) << 19) 426 #define R10K_CONF_DC (_ULCAST_(7) << 26) 427 #define R10K_CONF_IC (_ULCAST_(7) << 29) 428 429 /* Bits specific to the VR41xx. */ 430 #define VR41_CONF_CS (_ULCAST_(1) << 12) 431 #define VR41_CONF_P4K (_ULCAST_(1) << 13) 432 #define VR41_CONF_BP (_ULCAST_(1) << 16) 433 #define VR41_CONF_M16 (_ULCAST_(1) << 20) 434 #define VR41_CONF_AD (_ULCAST_(1) << 23) 435 436 /* Bits specific to the R30xx. */ 437 #define R30XX_CONF_FDM (_ULCAST_(1) << 19) 438 #define R30XX_CONF_REV (_ULCAST_(1) << 22) 439 #define R30XX_CONF_AC (_ULCAST_(1) << 23) 440 #define R30XX_CONF_RF (_ULCAST_(1) << 24) 441 #define R30XX_CONF_HALT (_ULCAST_(1) << 25) 442 #define R30XX_CONF_FPINT (_ULCAST_(7) << 26) 443 #define R30XX_CONF_DBR (_ULCAST_(1) << 29) 444 #define R30XX_CONF_SB (_ULCAST_(1) << 30) 445 #define R30XX_CONF_LOCK (_ULCAST_(1) << 31) 446 447 /* Bits specific to the TX49. */ 448 #define TX49_CONF_DC (_ULCAST_(1) << 16) 449 #define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */ 450 #define TX49_CONF_HALT (_ULCAST_(1) << 18) 451 #define TX49_CONF_CWFON (_ULCAST_(1) << 27) 452 453 /* Bits specific to the MIPS32/64 PRA. */ 454 #define MIPS_CONF_MT (_ULCAST_(7) << 7) 455 #define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7) 456 #define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7) 457 #define MIPS_CONF_AR (_ULCAST_(7) << 10) 458 #define MIPS_CONF_AT (_ULCAST_(3) << 13) 459 #define MIPS_CONF_IMPL (_ULCAST_(0x1ff) << 16) 460 #define MIPS_CONF_M (_ULCAST_(1) << 31) 461 462 /* 463 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above. 464 */ 465 #define MIPS_CONF1_FP (_ULCAST_(1) << 0) 466 #define MIPS_CONF1_EP (_ULCAST_(1) << 1) 467 #define MIPS_CONF1_CA (_ULCAST_(1) << 2) 468 #define MIPS_CONF1_WR (_ULCAST_(1) << 3) 469 #define MIPS_CONF1_PC (_ULCAST_(1) << 4) 470 #define MIPS_CONF1_MD (_ULCAST_(1) << 5) 471 #define MIPS_CONF1_C2 (_ULCAST_(1) << 6) 472 #define MIPS_CONF1_DA_SHF 7 473 #define MIPS_CONF1_DA_SZ 3 474 #define MIPS_CONF1_DA (_ULCAST_(7) << 7) 475 #define MIPS_CONF1_DL_SHF 10 476 #define MIPS_CONF1_DL_SZ 3 477 #define MIPS_CONF1_DL (_ULCAST_(7) << 10) 478 #define MIPS_CONF1_DS_SHF 13 479 #define MIPS_CONF1_DS_SZ 3 480 #define MIPS_CONF1_DS (_ULCAST_(7) << 13) 481 #define MIPS_CONF1_IA_SHF 16 482 #define MIPS_CONF1_IA_SZ 3 483 #define MIPS_CONF1_IA (_ULCAST_(7) << 16) 484 #define MIPS_CONF1_IL_SHF 19 485 #define MIPS_CONF1_IL_SZ 3 486 #define MIPS_CONF1_IL (_ULCAST_(7) << 19) 487 #define MIPS_CONF1_IS_SHF 22 488 #define MIPS_CONF1_IS_SZ 3 489 #define MIPS_CONF1_IS (_ULCAST_(7) << 22) 490 #define MIPS_CONF1_TLBS_SHIFT (25) 491 #define MIPS_CONF1_TLBS_SIZE (6) 492 #define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT) 493 494 #define MIPS_CONF2_SA_SHF 0 495 #define MIPS_CONF2_SA (_ULCAST_(15) << 0) 496 #define MIPS_CONF2_SL_SHF 4 497 #define MIPS_CONF2_SL (_ULCAST_(15) << 4) 498 #define MIPS_CONF2_SS_SHF 8 499 #define MIPS_CONF2_SS (_ULCAST_(15) << 8) 500 #define MIPS_CONF2_L2B (_ULCAST_(1) << 12) 501 #define MIPS_CONF2_SU (_ULCAST_(15) << 12) 502 #define MIPS_CONF2_TA (_ULCAST_(15) << 16) 503 #define MIPS_CONF2_TL (_ULCAST_(15) << 20) 504 #define MIPS_CONF2_TS (_ULCAST_(15) << 24) 505 #define MIPS_CONF2_TU (_ULCAST_(7) << 28) 506 507 #define MIPS_CONF3_TL (_ULCAST_(1) << 0) 508 #define MIPS_CONF3_SM (_ULCAST_(1) << 1) 509 #define MIPS_CONF3_MT (_ULCAST_(1) << 2) 510 #define MIPS_CONF3_CDMM (_ULCAST_(1) << 3) 511 #define MIPS_CONF3_SP (_ULCAST_(1) << 4) 512 #define MIPS_CONF3_VINT (_ULCAST_(1) << 5) 513 #define MIPS_CONF3_VEIC (_ULCAST_(1) << 6) 514 #define MIPS_CONF3_LPA (_ULCAST_(1) << 7) 515 #define MIPS_CONF3_ITL (_ULCAST_(1) << 8) 516 #define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9) 517 #define MIPS_CONF3_DSP (_ULCAST_(1) << 10) 518 #define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11) 519 #define MIPS_CONF3_RXI (_ULCAST_(1) << 12) 520 #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) 521 #define MIPS_CONF3_ISA (_ULCAST_(3) << 14) 522 #define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16) 523 #define MIPS_CONF3_MCU (_ULCAST_(1) << 17) 524 #define MIPS_CONF3_MMAR (_ULCAST_(7) << 18) 525 #define MIPS_CONF3_IPLW (_ULCAST_(3) << 21) 526 #define MIPS_CONF3_VZ (_ULCAST_(1) << 23) 527 #define MIPS_CONF3_PW (_ULCAST_(1) << 24) 528 #define MIPS_CONF3_SC (_ULCAST_(1) << 25) 529 #define MIPS_CONF3_BI (_ULCAST_(1) << 26) 530 #define MIPS_CONF3_BP (_ULCAST_(1) << 27) 531 #define MIPS_CONF3_MSA (_ULCAST_(1) << 28) 532 #define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29) 533 #define MIPS_CONF3_BPG (_ULCAST_(1) << 30) 534 535 #define MIPS_CONF4_MMUSIZEEXT_SHIFT (0) 536 #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) 537 #define MIPS_CONF4_FTLBSETS_SHIFT (0) 538 #define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT) 539 #define MIPS_CONF4_FTLBWAYS_SHIFT (4) 540 #define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT) 541 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8) 542 /* bits 10:8 in FTLB-only configurations */ 543 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) 544 /* bits 12:8 in VTLB-FTLB only configurations */ 545 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) 546 #define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14) 547 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14) 548 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14) 549 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14) 550 #define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << 16) 551 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24) 552 #define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT) 553 #define MIPS_CONF4_AE (_ULCAST_(1) << 28) 554 #define MIPS_CONF4_IE (_ULCAST_(3) << 29) 555 #define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29) 556 557 #define MIPS_CONF5_NF (_ULCAST_(1) << 0) 558 #define MIPS_CONF5_UFR (_ULCAST_(1) << 2) 559 #define MIPS_CONF5_MRP (_ULCAST_(1) << 3) 560 #define MIPS_CONF5_LLB (_ULCAST_(1) << 4) 561 #define MIPS_CONF5_MVH (_ULCAST_(1) << 5) 562 #define MIPS_CONF5_VP (_ULCAST_(1) << 7) 563 #define MIPS_CONF5_FRE (_ULCAST_(1) << 8) 564 #define MIPS_CONF5_UFE (_ULCAST_(1) << 9) 565 #define MIPS_CONF5_L2C (_ULCAST_(1) << 10) 566 #define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27) 567 #define MIPS_CONF5_EVA (_ULCAST_(1) << 28) 568 #define MIPS_CONF5_CV (_ULCAST_(1) << 29) 569 #define MIPS_CONF5_K (_ULCAST_(1) << 30) 570 571 #define MIPS_CONF6_SYND (_ULCAST_(1) << 13) 572 /* proAptiv FTLB on/off bit */ 573 #define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15) 574 /* FTLB probability bits */ 575 #define MIPS_CONF6_FTLBP_SHIFT (16) 576 577 #define MIPS_CONF7_WII (_ULCAST_(1) << 31) 578 579 #define MIPS_CONF7_RPS (_ULCAST_(1) << 2) 580 581 #define MIPS_CONF7_IAR (_ULCAST_(1) << 10) 582 #define MIPS_CONF7_AR (_ULCAST_(1) << 16) 583 /* FTLB probability bits for R6 */ 584 #define MIPS_CONF7_FTLBP_SHIFT (18) 585 586 /* MAAR bit definitions */ 587 #define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12) 588 #define MIPS_MAAR_ADDR_SHIFT 12 589 #define MIPS_MAAR_S (_ULCAST_(1) << 1) 590 #define MIPS_MAAR_V (_ULCAST_(1) << 0) 591 592 /* CMGCRBase bit definitions */ 593 #define MIPS_CMGCRB_BASE 11 594 #define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1)) 595 596 /* 597 * Bits in the MIPS32 Memory Segmentation registers. 598 */ 599 #define MIPS_SEGCFG_PA_SHIFT 9 600 #define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT) 601 #define MIPS_SEGCFG_AM_SHIFT 4 602 #define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT) 603 #define MIPS_SEGCFG_EU_SHIFT 3 604 #define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT) 605 #define MIPS_SEGCFG_C_SHIFT 0 606 #define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT) 607 608 #define MIPS_SEGCFG_UUSK _ULCAST_(7) 609 #define MIPS_SEGCFG_USK _ULCAST_(5) 610 #define MIPS_SEGCFG_MUSUK _ULCAST_(4) 611 #define MIPS_SEGCFG_MUSK _ULCAST_(3) 612 #define MIPS_SEGCFG_MSK _ULCAST_(2) 613 #define MIPS_SEGCFG_MK _ULCAST_(1) 614 #define MIPS_SEGCFG_UK _ULCAST_(0) 615 616 #define MIPS_PWFIELD_GDI_SHIFT 24 617 #define MIPS_PWFIELD_GDI_MASK 0x3f000000 618 #define MIPS_PWFIELD_UDI_SHIFT 18 619 #define MIPS_PWFIELD_UDI_MASK 0x00fc0000 620 #define MIPS_PWFIELD_MDI_SHIFT 12 621 #define MIPS_PWFIELD_MDI_MASK 0x0003f000 622 #define MIPS_PWFIELD_PTI_SHIFT 6 623 #define MIPS_PWFIELD_PTI_MASK 0x00000fc0 624 #define MIPS_PWFIELD_PTEI_SHIFT 0 625 #define MIPS_PWFIELD_PTEI_MASK 0x0000003f 626 627 #define MIPS_PWSIZE_GDW_SHIFT 24 628 #define MIPS_PWSIZE_GDW_MASK 0x3f000000 629 #define MIPS_PWSIZE_UDW_SHIFT 18 630 #define MIPS_PWSIZE_UDW_MASK 0x00fc0000 631 #define MIPS_PWSIZE_MDW_SHIFT 12 632 #define MIPS_PWSIZE_MDW_MASK 0x0003f000 633 #define MIPS_PWSIZE_PTW_SHIFT 6 634 #define MIPS_PWSIZE_PTW_MASK 0x00000fc0 635 #define MIPS_PWSIZE_PTEW_SHIFT 0 636 #define MIPS_PWSIZE_PTEW_MASK 0x0000003f 637 638 #define MIPS_PWCTL_PWEN_SHIFT 31 639 #define MIPS_PWCTL_PWEN_MASK 0x80000000 640 #define MIPS_PWCTL_DPH_SHIFT 7 641 #define MIPS_PWCTL_DPH_MASK 0x00000080 642 #define MIPS_PWCTL_HUGEPG_SHIFT 6 643 #define MIPS_PWCTL_HUGEPG_MASK 0x00000060 644 #define MIPS_PWCTL_PSN_SHIFT 0 645 #define MIPS_PWCTL_PSN_MASK 0x0000003f 646 647 /* CDMMBase register bit definitions */ 648 #define MIPS_CDMMBASE_SIZE_SHIFT 0 649 #define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT) 650 #define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9) 651 #define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10) 652 #define MIPS_CDMMBASE_ADDR_SHIFT 11 653 #define MIPS_CDMMBASE_ADDR_START 15 654 655 /* 656 * Bitfields in the TX39 family CP0 Configuration Register 3 657 */ 658 #define TX39_CONF_ICS_SHIFT 19 659 #define TX39_CONF_ICS_MASK 0x00380000 660 #define TX39_CONF_ICS_1KB 0x00000000 661 #define TX39_CONF_ICS_2KB 0x00080000 662 #define TX39_CONF_ICS_4KB 0x00100000 663 #define TX39_CONF_ICS_8KB 0x00180000 664 #define TX39_CONF_ICS_16KB 0x00200000 665 666 #define TX39_CONF_DCS_SHIFT 16 667 #define TX39_CONF_DCS_MASK 0x00070000 668 #define TX39_CONF_DCS_1KB 0x00000000 669 #define TX39_CONF_DCS_2KB 0x00010000 670 #define TX39_CONF_DCS_4KB 0x00020000 671 #define TX39_CONF_DCS_8KB 0x00030000 672 #define TX39_CONF_DCS_16KB 0x00040000 673 674 #define TX39_CONF_CWFON 0x00004000 675 #define TX39_CONF_WBON 0x00002000 676 #define TX39_CONF_RF_SHIFT 10 677 #define TX39_CONF_RF_MASK 0x00000c00 678 #define TX39_CONF_DOZE 0x00000200 679 #define TX39_CONF_HALT 0x00000100 680 #define TX39_CONF_LOCK 0x00000080 681 #define TX39_CONF_ICE 0x00000020 682 #define TX39_CONF_DCE 0x00000010 683 #define TX39_CONF_IRSIZE_SHIFT 2 684 #define TX39_CONF_IRSIZE_MASK 0x0000000c 685 #define TX39_CONF_DRSIZE_SHIFT 0 686 #define TX39_CONF_DRSIZE_MASK 0x00000003 687 688 /* 689 * Interesting Bits in the R10K CP0 Branch Diagnostic Register 690 */ 691 /* Disable Branch Target Address Cache */ 692 #define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27) 693 /* Enable Branch Prediction Global History */ 694 #define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26) 695 /* Disable Branch Return Cache */ 696 #define R10K_DIAG_D_BRC (_ULCAST_(1) << 22) 697 698 /* 699 * Coprocessor 1 (FPU) register names 700 */ 701 #define CP1_REVISION $0 702 #define CP1_UFR $1 703 #define CP1_UNFR $4 704 #define CP1_FCCR $25 705 #define CP1_FEXR $26 706 #define CP1_FENR $28 707 #define CP1_STATUS $31 708 709 710 /* 711 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register. 712 */ 713 #define MIPS_FPIR_S (_ULCAST_(1) << 16) 714 #define MIPS_FPIR_D (_ULCAST_(1) << 17) 715 #define MIPS_FPIR_PS (_ULCAST_(1) << 18) 716 #define MIPS_FPIR_3D (_ULCAST_(1) << 19) 717 #define MIPS_FPIR_W (_ULCAST_(1) << 20) 718 #define MIPS_FPIR_L (_ULCAST_(1) << 21) 719 #define MIPS_FPIR_F64 (_ULCAST_(1) << 22) 720 #define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23) 721 #define MIPS_FPIR_UFRP (_ULCAST_(1) << 28) 722 #define MIPS_FPIR_FREP (_ULCAST_(1) << 29) 723 724 /* 725 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register. 726 */ 727 #define MIPS_FCCR_CONDX_S 0 728 #define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S) 729 #define MIPS_FCCR_COND0_S 0 730 #define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S) 731 #define MIPS_FCCR_COND1_S 1 732 #define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S) 733 #define MIPS_FCCR_COND2_S 2 734 #define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S) 735 #define MIPS_FCCR_COND3_S 3 736 #define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S) 737 #define MIPS_FCCR_COND4_S 4 738 #define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S) 739 #define MIPS_FCCR_COND5_S 5 740 #define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S) 741 #define MIPS_FCCR_COND6_S 6 742 #define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S) 743 #define MIPS_FCCR_COND7_S 7 744 #define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S) 745 746 /* 747 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register. 748 */ 749 #define MIPS_FENR_FS_S 2 750 #define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S) 751 752 /* 753 * FPU Status Register Values 754 */ 755 #define FPU_CSR_COND_S 23 /* $fcc0 */ 756 #define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S) 757 758 #define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */ 759 #define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S) 760 761 #define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */ 762 #define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S) 763 #define FPU_CSR_COND1_S 25 /* $fcc1 */ 764 #define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S) 765 #define FPU_CSR_COND2_S 26 /* $fcc2 */ 766 #define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S) 767 #define FPU_CSR_COND3_S 27 /* $fcc3 */ 768 #define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S) 769 #define FPU_CSR_COND4_S 28 /* $fcc4 */ 770 #define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S) 771 #define FPU_CSR_COND5_S 29 /* $fcc5 */ 772 #define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S) 773 #define FPU_CSR_COND6_S 30 /* $fcc6 */ 774 #define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S) 775 #define FPU_CSR_COND7_S 31 /* $fcc7 */ 776 #define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S) 777 778 /* 779 * Bits 22:20 of the FPU Status Register will be read as 0, 780 * and should be written as zero. 781 */ 782 #define FPU_CSR_RSVD (_ULCAST_(7) << 20) 783 784 #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19) 785 #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18) 786 787 /* 788 * X the exception cause indicator 789 * E the exception enable 790 * S the sticky/flag bit 791 */ 792 #define FPU_CSR_ALL_X 0x0003f000 793 #define FPU_CSR_UNI_X 0x00020000 794 #define FPU_CSR_INV_X 0x00010000 795 #define FPU_CSR_DIV_X 0x00008000 796 #define FPU_CSR_OVF_X 0x00004000 797 #define FPU_CSR_UDF_X 0x00002000 798 #define FPU_CSR_INE_X 0x00001000 799 800 #define FPU_CSR_ALL_E 0x00000f80 801 #define FPU_CSR_INV_E 0x00000800 802 #define FPU_CSR_DIV_E 0x00000400 803 #define FPU_CSR_OVF_E 0x00000200 804 #define FPU_CSR_UDF_E 0x00000100 805 #define FPU_CSR_INE_E 0x00000080 806 807 #define FPU_CSR_ALL_S 0x0000007c 808 #define FPU_CSR_INV_S 0x00000040 809 #define FPU_CSR_DIV_S 0x00000020 810 #define FPU_CSR_OVF_S 0x00000010 811 #define FPU_CSR_UDF_S 0x00000008 812 #define FPU_CSR_INE_S 0x00000004 813 814 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */ 815 #define FPU_CSR_RM 0x00000003 816 #define FPU_CSR_RN 0x0 /* nearest */ 817 #define FPU_CSR_RZ 0x1 /* towards zero */ 818 #define FPU_CSR_RU 0x2 /* towards +Infinity */ 819 #define FPU_CSR_RD 0x3 /* towards -Infinity */ 820 821 822 #ifndef __ASSEMBLY__ 823 824 /* 825 * Macros for handling the ISA mode bit for MIPS16 and microMIPS. 826 */ 827 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \ 828 defined(CONFIG_SYS_SUPPORTS_MICROMIPS) 829 #define get_isa16_mode(x) ((x) & 0x1) 830 #define msk_isa16_mode(x) ((x) & ~0x1) 831 #define set_isa16_mode(x) do { (x) |= 0x1; } while (0) 832 #else 833 #define get_isa16_mode(x) 0 834 #define msk_isa16_mode(x) (x) 835 #define set_isa16_mode(x) do { } while (0) 836 #endif 837 838 /* 839 * microMIPS instructions can be 16-bit or 32-bit in length. This 840 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit. 841 */ 842 static inline int mm_insn_16bit(u16 insn) 843 { 844 u16 opcode = (insn >> 10) & 0x7; 845 846 return (opcode >= 1 && opcode <= 3) ? 1 : 0; 847 } 848 849 /* 850 * TLB Invalidate Flush 851 */ 852 static inline void tlbinvf(void) 853 { 854 __asm__ __volatile__( 855 ".set push\n\t" 856 ".set noreorder\n\t" 857 ".word 0x42000004\n\t" /* tlbinvf */ 858 ".set pop"); 859 } 860 861 862 /* 863 * Functions to access the R10000 performance counters. These are basically 864 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit 865 * performance counter number encoded into bits 1 ... 5 of the instruction. 866 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware 867 * disassembler these will look like an access to sel 0 or 1. 868 */ 869 #define read_r10k_perf_cntr(counter) \ 870 ({ \ 871 unsigned int __res; \ 872 __asm__ __volatile__( \ 873 "mfpc\t%0, %1" \ 874 : "=r" (__res) \ 875 : "i" (counter)); \ 876 \ 877 __res; \ 878 }) 879 880 #define write_r10k_perf_cntr(counter,val) \ 881 do { \ 882 __asm__ __volatile__( \ 883 "mtpc\t%0, %1" \ 884 : \ 885 : "r" (val), "i" (counter)); \ 886 } while (0) 887 888 #define read_r10k_perf_event(counter) \ 889 ({ \ 890 unsigned int __res; \ 891 __asm__ __volatile__( \ 892 "mfps\t%0, %1" \ 893 : "=r" (__res) \ 894 : "i" (counter)); \ 895 \ 896 __res; \ 897 }) 898 899 #define write_r10k_perf_cntl(counter,val) \ 900 do { \ 901 __asm__ __volatile__( \ 902 "mtps\t%0, %1" \ 903 : \ 904 : "r" (val), "i" (counter)); \ 905 } while (0) 906 907 908 /* 909 * Macros to access the system control coprocessor 910 */ 911 912 #define __read_32bit_c0_register(source, sel) \ 913 ({ unsigned int __res; \ 914 if (sel == 0) \ 915 __asm__ __volatile__( \ 916 "mfc0\t%0, " #source "\n\t" \ 917 : "=r" (__res)); \ 918 else \ 919 __asm__ __volatile__( \ 920 ".set\tmips32\n\t" \ 921 "mfc0\t%0, " #source ", " #sel "\n\t" \ 922 ".set\tmips0\n\t" \ 923 : "=r" (__res)); \ 924 __res; \ 925 }) 926 927 #define __read_64bit_c0_register(source, sel) \ 928 ({ unsigned long long __res; \ 929 if (sizeof(unsigned long) == 4) \ 930 __res = __read_64bit_c0_split(source, sel); \ 931 else if (sel == 0) \ 932 __asm__ __volatile__( \ 933 ".set\tmips3\n\t" \ 934 "dmfc0\t%0, " #source "\n\t" \ 935 ".set\tmips0" \ 936 : "=r" (__res)); \ 937 else \ 938 __asm__ __volatile__( \ 939 ".set\tmips64\n\t" \ 940 "dmfc0\t%0, " #source ", " #sel "\n\t" \ 941 ".set\tmips0" \ 942 : "=r" (__res)); \ 943 __res; \ 944 }) 945 946 #define __write_32bit_c0_register(register, sel, value) \ 947 do { \ 948 if (sel == 0) \ 949 __asm__ __volatile__( \ 950 "mtc0\t%z0, " #register "\n\t" \ 951 : : "Jr" ((unsigned int)(value))); \ 952 else \ 953 __asm__ __volatile__( \ 954 ".set\tmips32\n\t" \ 955 "mtc0\t%z0, " #register ", " #sel "\n\t" \ 956 ".set\tmips0" \ 957 : : "Jr" ((unsigned int)(value))); \ 958 } while (0) 959 960 #define __write_64bit_c0_register(register, sel, value) \ 961 do { \ 962 if (sizeof(unsigned long) == 4) \ 963 __write_64bit_c0_split(register, sel, value); \ 964 else if (sel == 0) \ 965 __asm__ __volatile__( \ 966 ".set\tmips3\n\t" \ 967 "dmtc0\t%z0, " #register "\n\t" \ 968 ".set\tmips0" \ 969 : : "Jr" (value)); \ 970 else \ 971 __asm__ __volatile__( \ 972 ".set\tmips64\n\t" \ 973 "dmtc0\t%z0, " #register ", " #sel "\n\t" \ 974 ".set\tmips0" \ 975 : : "Jr" (value)); \ 976 } while (0) 977 978 #define __read_ulong_c0_register(reg, sel) \ 979 ((sizeof(unsigned long) == 4) ? \ 980 (unsigned long) __read_32bit_c0_register(reg, sel) : \ 981 (unsigned long) __read_64bit_c0_register(reg, sel)) 982 983 #define __write_ulong_c0_register(reg, sel, val) \ 984 do { \ 985 if (sizeof(unsigned long) == 4) \ 986 __write_32bit_c0_register(reg, sel, val); \ 987 else \ 988 __write_64bit_c0_register(reg, sel, val); \ 989 } while (0) 990 991 /* 992 * On RM7000/RM9000 these are uses to access cop0 set 1 registers 993 */ 994 #define __read_32bit_c0_ctrl_register(source) \ 995 ({ unsigned int __res; \ 996 __asm__ __volatile__( \ 997 "cfc0\t%0, " #source "\n\t" \ 998 : "=r" (__res)); \ 999 __res; \ 1000 }) 1001 1002 #define __write_32bit_c0_ctrl_register(register, value) \ 1003 do { \ 1004 __asm__ __volatile__( \ 1005 "ctc0\t%z0, " #register "\n\t" \ 1006 : : "Jr" ((unsigned int)(value))); \ 1007 } while (0) 1008 1009 /* 1010 * These versions are only needed for systems with more than 38 bits of 1011 * physical address space running the 32-bit kernel. That's none atm :-) 1012 */ 1013 #define __read_64bit_c0_split(source, sel) \ 1014 ({ \ 1015 unsigned long long __val; \ 1016 unsigned long __flags; \ 1017 \ 1018 local_irq_save(__flags); \ 1019 if (sel == 0) \ 1020 __asm__ __volatile__( \ 1021 ".set\tmips64\n\t" \ 1022 "dmfc0\t%M0, " #source "\n\t" \ 1023 "dsll\t%L0, %M0, 32\n\t" \ 1024 "dsra\t%M0, %M0, 32\n\t" \ 1025 "dsra\t%L0, %L0, 32\n\t" \ 1026 ".set\tmips0" \ 1027 : "=r" (__val)); \ 1028 else \ 1029 __asm__ __volatile__( \ 1030 ".set\tmips64\n\t" \ 1031 "dmfc0\t%M0, " #source ", " #sel "\n\t" \ 1032 "dsll\t%L0, %M0, 32\n\t" \ 1033 "dsra\t%M0, %M0, 32\n\t" \ 1034 "dsra\t%L0, %L0, 32\n\t" \ 1035 ".set\tmips0" \ 1036 : "=r" (__val)); \ 1037 local_irq_restore(__flags); \ 1038 \ 1039 __val; \ 1040 }) 1041 1042 #define __write_64bit_c0_split(source, sel, val) \ 1043 do { \ 1044 unsigned long __flags; \ 1045 \ 1046 local_irq_save(__flags); \ 1047 if (sel == 0) \ 1048 __asm__ __volatile__( \ 1049 ".set\tmips64\n\t" \ 1050 "dsll\t%L0, %L0, 32\n\t" \ 1051 "dsrl\t%L0, %L0, 32\n\t" \ 1052 "dsll\t%M0, %M0, 32\n\t" \ 1053 "or\t%L0, %L0, %M0\n\t" \ 1054 "dmtc0\t%L0, " #source "\n\t" \ 1055 ".set\tmips0" \ 1056 : : "r" (val)); \ 1057 else \ 1058 __asm__ __volatile__( \ 1059 ".set\tmips64\n\t" \ 1060 "dsll\t%L0, %L0, 32\n\t" \ 1061 "dsrl\t%L0, %L0, 32\n\t" \ 1062 "dsll\t%M0, %M0, 32\n\t" \ 1063 "or\t%L0, %L0, %M0\n\t" \ 1064 "dmtc0\t%L0, " #source ", " #sel "\n\t" \ 1065 ".set\tmips0" \ 1066 : : "r" (val)); \ 1067 local_irq_restore(__flags); \ 1068 } while (0) 1069 1070 #define __readx_32bit_c0_register(source) \ 1071 ({ \ 1072 unsigned int __res; \ 1073 \ 1074 __asm__ __volatile__( \ 1075 " .set push \n" \ 1076 " .set noat \n" \ 1077 " .set mips32r2 \n" \ 1078 " .insn \n" \ 1079 " # mfhc0 $1, %1 \n" \ 1080 " .word (0x40410000 | ((%1 & 0x1f) << 11)) \n" \ 1081 " move %0, $1 \n" \ 1082 " .set pop \n" \ 1083 : "=r" (__res) \ 1084 : "i" (source)); \ 1085 __res; \ 1086 }) 1087 1088 #define __writex_32bit_c0_register(register, value) \ 1089 ({ \ 1090 __asm__ __volatile__( \ 1091 " .set push \n" \ 1092 " .set noat \n" \ 1093 " .set mips32r2 \n" \ 1094 " move $1, %0 \n" \ 1095 " # mthc0 $1, %1 \n" \ 1096 " .insn \n" \ 1097 " .word (0x40c10000 | ((%1 & 0x1f) << 11)) \n" \ 1098 " .set pop \n" \ 1099 : \ 1100 : "r" (value), "i" (register)); \ 1101 }) 1102 1103 #define read_c0_index() __read_32bit_c0_register($0, 0) 1104 #define write_c0_index(val) __write_32bit_c0_register($0, 0, val) 1105 1106 #define read_c0_random() __read_32bit_c0_register($1, 0) 1107 #define write_c0_random(val) __write_32bit_c0_register($1, 0, val) 1108 1109 #define read_c0_entrylo0() __read_ulong_c0_register($2, 0) 1110 #define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val) 1111 1112 #define readx_c0_entrylo0() __readx_32bit_c0_register(2) 1113 #define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val) 1114 1115 #define read_c0_entrylo1() __read_ulong_c0_register($3, 0) 1116 #define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val) 1117 1118 #define readx_c0_entrylo1() __readx_32bit_c0_register(3) 1119 #define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val) 1120 1121 #define read_c0_conf() __read_32bit_c0_register($3, 0) 1122 #define write_c0_conf(val) __write_32bit_c0_register($3, 0, val) 1123 1124 #define read_c0_context() __read_ulong_c0_register($4, 0) 1125 #define write_c0_context(val) __write_ulong_c0_register($4, 0, val) 1126 1127 #define read_c0_userlocal() __read_ulong_c0_register($4, 2) 1128 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val) 1129 1130 #define read_c0_pagemask() __read_32bit_c0_register($5, 0) 1131 #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val) 1132 1133 #define read_c0_pagegrain() __read_32bit_c0_register($5, 1) 1134 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val) 1135 1136 #define read_c0_wired() __read_32bit_c0_register($6, 0) 1137 #define write_c0_wired(val) __write_32bit_c0_register($6, 0, val) 1138 1139 #define read_c0_info() __read_32bit_c0_register($7, 0) 1140 1141 #define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */ 1142 #define write_c0_cache(val) __write_32bit_c0_register($7, 0, val) 1143 1144 #define read_c0_badvaddr() __read_ulong_c0_register($8, 0) 1145 #define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val) 1146 1147 #define read_c0_count() __read_32bit_c0_register($9, 0) 1148 #define write_c0_count(val) __write_32bit_c0_register($9, 0, val) 1149 1150 #define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */ 1151 #define write_c0_count2(val) __write_32bit_c0_register($9, 6, val) 1152 1153 #define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */ 1154 #define write_c0_count3(val) __write_32bit_c0_register($9, 7, val) 1155 1156 #define read_c0_entryhi() __read_ulong_c0_register($10, 0) 1157 #define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val) 1158 1159 #define read_c0_compare() __read_32bit_c0_register($11, 0) 1160 #define write_c0_compare(val) __write_32bit_c0_register($11, 0, val) 1161 1162 #define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */ 1163 #define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val) 1164 1165 #define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */ 1166 #define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val) 1167 1168 #define read_c0_status() __read_32bit_c0_register($12, 0) 1169 1170 #define write_c0_status(val) __write_32bit_c0_register($12, 0, val) 1171 1172 #define read_c0_cause() __read_32bit_c0_register($13, 0) 1173 #define write_c0_cause(val) __write_32bit_c0_register($13, 0, val) 1174 1175 #define read_c0_epc() __read_ulong_c0_register($14, 0) 1176 #define write_c0_epc(val) __write_ulong_c0_register($14, 0, val) 1177 1178 #define read_c0_prid() __read_32bit_c0_register($15, 0) 1179 1180 #define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3) 1181 1182 #define read_c0_config() __read_32bit_c0_register($16, 0) 1183 #define read_c0_config1() __read_32bit_c0_register($16, 1) 1184 #define read_c0_config2() __read_32bit_c0_register($16, 2) 1185 #define read_c0_config3() __read_32bit_c0_register($16, 3) 1186 #define read_c0_config4() __read_32bit_c0_register($16, 4) 1187 #define read_c0_config5() __read_32bit_c0_register($16, 5) 1188 #define read_c0_config6() __read_32bit_c0_register($16, 6) 1189 #define read_c0_config7() __read_32bit_c0_register($16, 7) 1190 #define write_c0_config(val) __write_32bit_c0_register($16, 0, val) 1191 #define write_c0_config1(val) __write_32bit_c0_register($16, 1, val) 1192 #define write_c0_config2(val) __write_32bit_c0_register($16, 2, val) 1193 #define write_c0_config3(val) __write_32bit_c0_register($16, 3, val) 1194 #define write_c0_config4(val) __write_32bit_c0_register($16, 4, val) 1195 #define write_c0_config5(val) __write_32bit_c0_register($16, 5, val) 1196 #define write_c0_config6(val) __write_32bit_c0_register($16, 6, val) 1197 #define write_c0_config7(val) __write_32bit_c0_register($16, 7, val) 1198 1199 #define read_c0_lladdr() __read_ulong_c0_register($17, 0) 1200 #define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val) 1201 #define read_c0_maar() __read_ulong_c0_register($17, 1) 1202 #define write_c0_maar(val) __write_ulong_c0_register($17, 1, val) 1203 #define read_c0_maari() __read_32bit_c0_register($17, 2) 1204 #define write_c0_maari(val) __write_32bit_c0_register($17, 2, val) 1205 1206 /* 1207 * The WatchLo register. There may be up to 8 of them. 1208 */ 1209 #define read_c0_watchlo0() __read_ulong_c0_register($18, 0) 1210 #define read_c0_watchlo1() __read_ulong_c0_register($18, 1) 1211 #define read_c0_watchlo2() __read_ulong_c0_register($18, 2) 1212 #define read_c0_watchlo3() __read_ulong_c0_register($18, 3) 1213 #define read_c0_watchlo4() __read_ulong_c0_register($18, 4) 1214 #define read_c0_watchlo5() __read_ulong_c0_register($18, 5) 1215 #define read_c0_watchlo6() __read_ulong_c0_register($18, 6) 1216 #define read_c0_watchlo7() __read_ulong_c0_register($18, 7) 1217 #define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val) 1218 #define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val) 1219 #define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val) 1220 #define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val) 1221 #define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val) 1222 #define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val) 1223 #define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val) 1224 #define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val) 1225 1226 /* 1227 * The WatchHi register. There may be up to 8 of them. 1228 */ 1229 #define read_c0_watchhi0() __read_32bit_c0_register($19, 0) 1230 #define read_c0_watchhi1() __read_32bit_c0_register($19, 1) 1231 #define read_c0_watchhi2() __read_32bit_c0_register($19, 2) 1232 #define read_c0_watchhi3() __read_32bit_c0_register($19, 3) 1233 #define read_c0_watchhi4() __read_32bit_c0_register($19, 4) 1234 #define read_c0_watchhi5() __read_32bit_c0_register($19, 5) 1235 #define read_c0_watchhi6() __read_32bit_c0_register($19, 6) 1236 #define read_c0_watchhi7() __read_32bit_c0_register($19, 7) 1237 1238 #define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val) 1239 #define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val) 1240 #define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val) 1241 #define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val) 1242 #define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val) 1243 #define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val) 1244 #define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val) 1245 #define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val) 1246 1247 #define read_c0_xcontext() __read_ulong_c0_register($20, 0) 1248 #define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val) 1249 1250 #define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20) 1251 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val) 1252 1253 #define read_c0_framemask() __read_32bit_c0_register($21, 0) 1254 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val) 1255 1256 #define read_c0_diag() __read_32bit_c0_register($22, 0) 1257 #define write_c0_diag(val) __write_32bit_c0_register($22, 0, val) 1258 1259 /* R10K CP0 Branch Diagnostic register is 64bits wide */ 1260 #define read_c0_r10k_diag() __read_64bit_c0_register($22, 0) 1261 #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val) 1262 1263 #define read_c0_diag1() __read_32bit_c0_register($22, 1) 1264 #define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val) 1265 1266 #define read_c0_diag2() __read_32bit_c0_register($22, 2) 1267 #define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val) 1268 1269 #define read_c0_diag3() __read_32bit_c0_register($22, 3) 1270 #define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val) 1271 1272 #define read_c0_diag4() __read_32bit_c0_register($22, 4) 1273 #define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val) 1274 1275 #define read_c0_diag5() __read_32bit_c0_register($22, 5) 1276 #define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val) 1277 1278 #define read_c0_debug() __read_32bit_c0_register($23, 0) 1279 #define write_c0_debug(val) __write_32bit_c0_register($23, 0, val) 1280 1281 #define read_c0_depc() __read_ulong_c0_register($24, 0) 1282 #define write_c0_depc(val) __write_ulong_c0_register($24, 0, val) 1283 1284 /* 1285 * MIPS32 / MIPS64 performance counters 1286 */ 1287 #define read_c0_perfctrl0() __read_32bit_c0_register($25, 0) 1288 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val) 1289 #define read_c0_perfcntr0() __read_32bit_c0_register($25, 1) 1290 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val) 1291 #define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1) 1292 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val) 1293 #define read_c0_perfctrl1() __read_32bit_c0_register($25, 2) 1294 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val) 1295 #define read_c0_perfcntr1() __read_32bit_c0_register($25, 3) 1296 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val) 1297 #define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3) 1298 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val) 1299 #define read_c0_perfctrl2() __read_32bit_c0_register($25, 4) 1300 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val) 1301 #define read_c0_perfcntr2() __read_32bit_c0_register($25, 5) 1302 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val) 1303 #define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5) 1304 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val) 1305 #define read_c0_perfctrl3() __read_32bit_c0_register($25, 6) 1306 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val) 1307 #define read_c0_perfcntr3() __read_32bit_c0_register($25, 7) 1308 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val) 1309 #define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7) 1310 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val) 1311 1312 #define read_c0_ecc() __read_32bit_c0_register($26, 0) 1313 #define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val) 1314 1315 #define read_c0_derraddr0() __read_ulong_c0_register($26, 1) 1316 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val) 1317 1318 #define read_c0_cacheerr() __read_32bit_c0_register($27, 0) 1319 1320 #define read_c0_derraddr1() __read_ulong_c0_register($27, 1) 1321 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val) 1322 1323 #define read_c0_taglo() __read_32bit_c0_register($28, 0) 1324 #define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val) 1325 1326 #define read_c0_dtaglo() __read_32bit_c0_register($28, 2) 1327 #define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val) 1328 1329 #define read_c0_ddatalo() __read_32bit_c0_register($28, 3) 1330 #define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val) 1331 1332 #define read_c0_staglo() __read_32bit_c0_register($28, 4) 1333 #define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val) 1334 1335 #define read_c0_taghi() __read_32bit_c0_register($29, 0) 1336 #define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val) 1337 1338 #define read_c0_errorepc() __read_ulong_c0_register($30, 0) 1339 #define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val) 1340 1341 /* MIPSR2 */ 1342 #define read_c0_hwrena() __read_32bit_c0_register($7, 0) 1343 #define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val) 1344 1345 #define read_c0_intctl() __read_32bit_c0_register($12, 1) 1346 #define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val) 1347 1348 #define read_c0_srsctl() __read_32bit_c0_register($12, 2) 1349 #define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val) 1350 1351 #define read_c0_srsmap() __read_32bit_c0_register($12, 3) 1352 #define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val) 1353 1354 #define read_c0_ebase() __read_32bit_c0_register($15, 1) 1355 #define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val) 1356 1357 #define read_c0_cdmmbase() __read_ulong_c0_register($15, 2) 1358 #define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val) 1359 1360 /* MIPSR3 */ 1361 #define read_c0_segctl0() __read_32bit_c0_register($5, 2) 1362 #define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val) 1363 1364 #define read_c0_segctl1() __read_32bit_c0_register($5, 3) 1365 #define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val) 1366 1367 #define read_c0_segctl2() __read_32bit_c0_register($5, 4) 1368 #define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val) 1369 1370 /* Hardware Page Table Walker */ 1371 #define read_c0_pwbase() __read_ulong_c0_register($5, 5) 1372 #define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val) 1373 1374 #define read_c0_pwfield() __read_ulong_c0_register($5, 6) 1375 #define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val) 1376 1377 #define read_c0_pwsize() __read_ulong_c0_register($5, 7) 1378 #define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val) 1379 1380 #define read_c0_pwctl() __read_32bit_c0_register($6, 6) 1381 #define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val) 1382 1383 /* Cavium OCTEON (cnMIPS) */ 1384 #define read_c0_cvmcount() __read_ulong_c0_register($9, 6) 1385 #define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val) 1386 1387 #define read_c0_cvmctl() __read_64bit_c0_register($9, 7) 1388 #define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val) 1389 1390 #define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7) 1391 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val) 1392 /* 1393 * The cacheerr registers are not standardized. On OCTEON, they are 1394 * 64 bits wide. 1395 */ 1396 #define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0) 1397 #define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val) 1398 1399 #define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1) 1400 #define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val) 1401 1402 /* BMIPS3300 */ 1403 #define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0) 1404 #define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val) 1405 1406 #define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4) 1407 #define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val) 1408 1409 #define read_c0_brcm_reset() __read_32bit_c0_register($22, 5) 1410 #define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val) 1411 1412 /* BMIPS43xx */ 1413 #define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1) 1414 #define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val) 1415 1416 #define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2) 1417 #define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val) 1418 1419 #define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3) 1420 #define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val) 1421 1422 #define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5) 1423 #define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val) 1424 1425 #define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6) 1426 #define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val) 1427 1428 /* BMIPS5000 */ 1429 #define read_c0_brcm_config() __read_32bit_c0_register($22, 0) 1430 #define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val) 1431 1432 #define read_c0_brcm_mode() __read_32bit_c0_register($22, 1) 1433 #define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val) 1434 1435 #define read_c0_brcm_action() __read_32bit_c0_register($22, 2) 1436 #define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val) 1437 1438 #define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3) 1439 #define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val) 1440 1441 #define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4) 1442 #define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val) 1443 1444 #define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7) 1445 #define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val) 1446 1447 /* 1448 * Macros to access the floating point coprocessor control registers 1449 */ 1450 #define _read_32bit_cp1_register(source, gas_hardfloat) \ 1451 ({ \ 1452 unsigned int __res; \ 1453 \ 1454 __asm__ __volatile__( \ 1455 " .set push \n" \ 1456 " .set reorder \n" \ 1457 " # gas fails to assemble cfc1 for some archs, \n" \ 1458 " # like Octeon. \n" \ 1459 " .set mips1 \n" \ 1460 " "STR(gas_hardfloat)" \n" \ 1461 " cfc1 %0,"STR(source)" \n" \ 1462 " .set pop \n" \ 1463 : "=r" (__res)); \ 1464 __res; \ 1465 }) 1466 1467 #define _write_32bit_cp1_register(dest, val, gas_hardfloat) \ 1468 ({ \ 1469 __asm__ __volatile__( \ 1470 " .set push \n" \ 1471 " .set reorder \n" \ 1472 " "STR(gas_hardfloat)" \n" \ 1473 " ctc1 %0,"STR(dest)" \n" \ 1474 " .set pop \n" \ 1475 : : "r" (val)); \ 1476 }) 1477 1478 #ifdef GAS_HAS_SET_HARDFLOAT 1479 #define read_32bit_cp1_register(source) \ 1480 _read_32bit_cp1_register(source, .set hardfloat) 1481 #define write_32bit_cp1_register(dest, val) \ 1482 _write_32bit_cp1_register(dest, val, .set hardfloat) 1483 #else 1484 #define read_32bit_cp1_register(source) \ 1485 _read_32bit_cp1_register(source, ) 1486 #define write_32bit_cp1_register(dest, val) \ 1487 _write_32bit_cp1_register(dest, val, ) 1488 #endif 1489 1490 #ifdef HAVE_AS_DSP 1491 #define rddsp(mask) \ 1492 ({ \ 1493 unsigned int __dspctl; \ 1494 \ 1495 __asm__ __volatile__( \ 1496 " .set push \n" \ 1497 " .set dsp \n" \ 1498 " rddsp %0, %x1 \n" \ 1499 " .set pop \n" \ 1500 : "=r" (__dspctl) \ 1501 : "i" (mask)); \ 1502 __dspctl; \ 1503 }) 1504 1505 #define wrdsp(val, mask) \ 1506 ({ \ 1507 __asm__ __volatile__( \ 1508 " .set push \n" \ 1509 " .set dsp \n" \ 1510 " wrdsp %0, %x1 \n" \ 1511 " .set pop \n" \ 1512 : \ 1513 : "r" (val), "i" (mask)); \ 1514 }) 1515 1516 #define mflo0() \ 1517 ({ \ 1518 long mflo0; \ 1519 __asm__( \ 1520 " .set push \n" \ 1521 " .set dsp \n" \ 1522 " mflo %0, $ac0 \n" \ 1523 " .set pop \n" \ 1524 : "=r" (mflo0)); \ 1525 mflo0; \ 1526 }) 1527 1528 #define mflo1() \ 1529 ({ \ 1530 long mflo1; \ 1531 __asm__( \ 1532 " .set push \n" \ 1533 " .set dsp \n" \ 1534 " mflo %0, $ac1 \n" \ 1535 " .set pop \n" \ 1536 : "=r" (mflo1)); \ 1537 mflo1; \ 1538 }) 1539 1540 #define mflo2() \ 1541 ({ \ 1542 long mflo2; \ 1543 __asm__( \ 1544 " .set push \n" \ 1545 " .set dsp \n" \ 1546 " mflo %0, $ac2 \n" \ 1547 " .set pop \n" \ 1548 : "=r" (mflo2)); \ 1549 mflo2; \ 1550 }) 1551 1552 #define mflo3() \ 1553 ({ \ 1554 long mflo3; \ 1555 __asm__( \ 1556 " .set push \n" \ 1557 " .set dsp \n" \ 1558 " mflo %0, $ac3 \n" \ 1559 " .set pop \n" \ 1560 : "=r" (mflo3)); \ 1561 mflo3; \ 1562 }) 1563 1564 #define mfhi0() \ 1565 ({ \ 1566 long mfhi0; \ 1567 __asm__( \ 1568 " .set push \n" \ 1569 " .set dsp \n" \ 1570 " mfhi %0, $ac0 \n" \ 1571 " .set pop \n" \ 1572 : "=r" (mfhi0)); \ 1573 mfhi0; \ 1574 }) 1575 1576 #define mfhi1() \ 1577 ({ \ 1578 long mfhi1; \ 1579 __asm__( \ 1580 " .set push \n" \ 1581 " .set dsp \n" \ 1582 " mfhi %0, $ac1 \n" \ 1583 " .set pop \n" \ 1584 : "=r" (mfhi1)); \ 1585 mfhi1; \ 1586 }) 1587 1588 #define mfhi2() \ 1589 ({ \ 1590 long mfhi2; \ 1591 __asm__( \ 1592 " .set push \n" \ 1593 " .set dsp \n" \ 1594 " mfhi %0, $ac2 \n" \ 1595 " .set pop \n" \ 1596 : "=r" (mfhi2)); \ 1597 mfhi2; \ 1598 }) 1599 1600 #define mfhi3() \ 1601 ({ \ 1602 long mfhi3; \ 1603 __asm__( \ 1604 " .set push \n" \ 1605 " .set dsp \n" \ 1606 " mfhi %0, $ac3 \n" \ 1607 " .set pop \n" \ 1608 : "=r" (mfhi3)); \ 1609 mfhi3; \ 1610 }) 1611 1612 1613 #define mtlo0(x) \ 1614 ({ \ 1615 __asm__( \ 1616 " .set push \n" \ 1617 " .set dsp \n" \ 1618 " mtlo %0, $ac0 \n" \ 1619 " .set pop \n" \ 1620 : \ 1621 : "r" (x)); \ 1622 }) 1623 1624 #define mtlo1(x) \ 1625 ({ \ 1626 __asm__( \ 1627 " .set push \n" \ 1628 " .set dsp \n" \ 1629 " mtlo %0, $ac1 \n" \ 1630 " .set pop \n" \ 1631 : \ 1632 : "r" (x)); \ 1633 }) 1634 1635 #define mtlo2(x) \ 1636 ({ \ 1637 __asm__( \ 1638 " .set push \n" \ 1639 " .set dsp \n" \ 1640 " mtlo %0, $ac2 \n" \ 1641 " .set pop \n" \ 1642 : \ 1643 : "r" (x)); \ 1644 }) 1645 1646 #define mtlo3(x) \ 1647 ({ \ 1648 __asm__( \ 1649 " .set push \n" \ 1650 " .set dsp \n" \ 1651 " mtlo %0, $ac3 \n" \ 1652 " .set pop \n" \ 1653 : \ 1654 : "r" (x)); \ 1655 }) 1656 1657 #define mthi0(x) \ 1658 ({ \ 1659 __asm__( \ 1660 " .set push \n" \ 1661 " .set dsp \n" \ 1662 " mthi %0, $ac0 \n" \ 1663 " .set pop \n" \ 1664 : \ 1665 : "r" (x)); \ 1666 }) 1667 1668 #define mthi1(x) \ 1669 ({ \ 1670 __asm__( \ 1671 " .set push \n" \ 1672 " .set dsp \n" \ 1673 " mthi %0, $ac1 \n" \ 1674 " .set pop \n" \ 1675 : \ 1676 : "r" (x)); \ 1677 }) 1678 1679 #define mthi2(x) \ 1680 ({ \ 1681 __asm__( \ 1682 " .set push \n" \ 1683 " .set dsp \n" \ 1684 " mthi %0, $ac2 \n" \ 1685 " .set pop \n" \ 1686 : \ 1687 : "r" (x)); \ 1688 }) 1689 1690 #define mthi3(x) \ 1691 ({ \ 1692 __asm__( \ 1693 " .set push \n" \ 1694 " .set dsp \n" \ 1695 " mthi %0, $ac3 \n" \ 1696 " .set pop \n" \ 1697 : \ 1698 : "r" (x)); \ 1699 }) 1700 1701 #else 1702 1703 #ifdef CONFIG_CPU_MICROMIPS 1704 #define rddsp(mask) \ 1705 ({ \ 1706 unsigned int __res; \ 1707 \ 1708 __asm__ __volatile__( \ 1709 " .set push \n" \ 1710 " .set noat \n" \ 1711 " # rddsp $1, %x1 \n" \ 1712 " .hword ((0x0020067c | (%x1 << 14)) >> 16) \n" \ 1713 " .hword ((0x0020067c | (%x1 << 14)) & 0xffff) \n" \ 1714 " move %0, $1 \n" \ 1715 " .set pop \n" \ 1716 : "=r" (__res) \ 1717 : "i" (mask)); \ 1718 __res; \ 1719 }) 1720 1721 #define wrdsp(val, mask) \ 1722 ({ \ 1723 __asm__ __volatile__( \ 1724 " .set push \n" \ 1725 " .set noat \n" \ 1726 " move $1, %0 \n" \ 1727 " # wrdsp $1, %x1 \n" \ 1728 " .hword ((0x0020167c | (%x1 << 14)) >> 16) \n" \ 1729 " .hword ((0x0020167c | (%x1 << 14)) & 0xffff) \n" \ 1730 " .set pop \n" \ 1731 : \ 1732 : "r" (val), "i" (mask)); \ 1733 }) 1734 1735 #define _umips_dsp_mfxxx(ins) \ 1736 ({ \ 1737 unsigned long __treg; \ 1738 \ 1739 __asm__ __volatile__( \ 1740 " .set push \n" \ 1741 " .set noat \n" \ 1742 " .hword 0x0001 \n" \ 1743 " .hword %x1 \n" \ 1744 " move %0, $1 \n" \ 1745 " .set pop \n" \ 1746 : "=r" (__treg) \ 1747 : "i" (ins)); \ 1748 __treg; \ 1749 }) 1750 1751 #define _umips_dsp_mtxxx(val, ins) \ 1752 ({ \ 1753 __asm__ __volatile__( \ 1754 " .set push \n" \ 1755 " .set noat \n" \ 1756 " move $1, %0 \n" \ 1757 " .hword 0x0001 \n" \ 1758 " .hword %x1 \n" \ 1759 " .set pop \n" \ 1760 : \ 1761 : "r" (val), "i" (ins)); \ 1762 }) 1763 1764 #define _umips_dsp_mflo(reg) _umips_dsp_mfxxx((reg << 14) | 0x107c) 1765 #define _umips_dsp_mfhi(reg) _umips_dsp_mfxxx((reg << 14) | 0x007c) 1766 1767 #define _umips_dsp_mtlo(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x307c)) 1768 #define _umips_dsp_mthi(val, reg) _umips_dsp_mtxxx(val, ((reg << 14) | 0x207c)) 1769 1770 #define mflo0() _umips_dsp_mflo(0) 1771 #define mflo1() _umips_dsp_mflo(1) 1772 #define mflo2() _umips_dsp_mflo(2) 1773 #define mflo3() _umips_dsp_mflo(3) 1774 1775 #define mfhi0() _umips_dsp_mfhi(0) 1776 #define mfhi1() _umips_dsp_mfhi(1) 1777 #define mfhi2() _umips_dsp_mfhi(2) 1778 #define mfhi3() _umips_dsp_mfhi(3) 1779 1780 #define mtlo0(x) _umips_dsp_mtlo(x, 0) 1781 #define mtlo1(x) _umips_dsp_mtlo(x, 1) 1782 #define mtlo2(x) _umips_dsp_mtlo(x, 2) 1783 #define mtlo3(x) _umips_dsp_mtlo(x, 3) 1784 1785 #define mthi0(x) _umips_dsp_mthi(x, 0) 1786 #define mthi1(x) _umips_dsp_mthi(x, 1) 1787 #define mthi2(x) _umips_dsp_mthi(x, 2) 1788 #define mthi3(x) _umips_dsp_mthi(x, 3) 1789 1790 #else /* !CONFIG_CPU_MICROMIPS */ 1791 #define rddsp(mask) \ 1792 ({ \ 1793 unsigned int __res; \ 1794 \ 1795 __asm__ __volatile__( \ 1796 " .set push \n" \ 1797 " .set noat \n" \ 1798 " # rddsp $1, %x1 \n" \ 1799 " .word 0x7c000cb8 | (%x1 << 16) \n" \ 1800 " move %0, $1 \n" \ 1801 " .set pop \n" \ 1802 : "=r" (__res) \ 1803 : "i" (mask)); \ 1804 __res; \ 1805 }) 1806 1807 #define wrdsp(val, mask) \ 1808 ({ \ 1809 __asm__ __volatile__( \ 1810 " .set push \n" \ 1811 " .set noat \n" \ 1812 " move $1, %0 \n" \ 1813 " # wrdsp $1, %x1 \n" \ 1814 " .word 0x7c2004f8 | (%x1 << 11) \n" \ 1815 " .set pop \n" \ 1816 : \ 1817 : "r" (val), "i" (mask)); \ 1818 }) 1819 1820 #define _dsp_mfxxx(ins) \ 1821 ({ \ 1822 unsigned long __treg; \ 1823 \ 1824 __asm__ __volatile__( \ 1825 " .set push \n" \ 1826 " .set noat \n" \ 1827 " .word (0x00000810 | %1) \n" \ 1828 " move %0, $1 \n" \ 1829 " .set pop \n" \ 1830 : "=r" (__treg) \ 1831 : "i" (ins)); \ 1832 __treg; \ 1833 }) 1834 1835 #define _dsp_mtxxx(val, ins) \ 1836 ({ \ 1837 __asm__ __volatile__( \ 1838 " .set push \n" \ 1839 " .set noat \n" \ 1840 " move $1, %0 \n" \ 1841 " .word (0x00200011 | %1) \n" \ 1842 " .set pop \n" \ 1843 : \ 1844 : "r" (val), "i" (ins)); \ 1845 }) 1846 1847 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002) 1848 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000) 1849 1850 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002)) 1851 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000)) 1852 1853 #define mflo0() _dsp_mflo(0) 1854 #define mflo1() _dsp_mflo(1) 1855 #define mflo2() _dsp_mflo(2) 1856 #define mflo3() _dsp_mflo(3) 1857 1858 #define mfhi0() _dsp_mfhi(0) 1859 #define mfhi1() _dsp_mfhi(1) 1860 #define mfhi2() _dsp_mfhi(2) 1861 #define mfhi3() _dsp_mfhi(3) 1862 1863 #define mtlo0(x) _dsp_mtlo(x, 0) 1864 #define mtlo1(x) _dsp_mtlo(x, 1) 1865 #define mtlo2(x) _dsp_mtlo(x, 2) 1866 #define mtlo3(x) _dsp_mtlo(x, 3) 1867 1868 #define mthi0(x) _dsp_mthi(x, 0) 1869 #define mthi1(x) _dsp_mthi(x, 1) 1870 #define mthi2(x) _dsp_mthi(x, 2) 1871 #define mthi3(x) _dsp_mthi(x, 3) 1872 1873 #endif /* CONFIG_CPU_MICROMIPS */ 1874 #endif 1875 1876 /* 1877 * TLB operations. 1878 * 1879 * It is responsibility of the caller to take care of any TLB hazards. 1880 */ 1881 static inline void tlb_probe(void) 1882 { 1883 __asm__ __volatile__( 1884 ".set noreorder\n\t" 1885 "tlbp\n\t" 1886 ".set reorder"); 1887 } 1888 1889 static inline void tlb_read(void) 1890 { 1891 #if MIPS34K_MISSED_ITLB_WAR 1892 int res = 0; 1893 1894 __asm__ __volatile__( 1895 " .set push \n" 1896 " .set noreorder \n" 1897 " .set noat \n" 1898 " .set mips32r2 \n" 1899 " .word 0x41610001 # dvpe $1 \n" 1900 " move %0, $1 \n" 1901 " ehb \n" 1902 " .set pop \n" 1903 : "=r" (res)); 1904 1905 instruction_hazard(); 1906 #endif 1907 1908 __asm__ __volatile__( 1909 ".set noreorder\n\t" 1910 "tlbr\n\t" 1911 ".set reorder"); 1912 1913 #if MIPS34K_MISSED_ITLB_WAR 1914 if ((res & _ULCAST_(1))) 1915 __asm__ __volatile__( 1916 " .set push \n" 1917 " .set noreorder \n" 1918 " .set noat \n" 1919 " .set mips32r2 \n" 1920 " .word 0x41600021 # evpe \n" 1921 " ehb \n" 1922 " .set pop \n"); 1923 #endif 1924 } 1925 1926 static inline void tlb_write_indexed(void) 1927 { 1928 __asm__ __volatile__( 1929 ".set noreorder\n\t" 1930 "tlbwi\n\t" 1931 ".set reorder"); 1932 } 1933 1934 static inline void tlb_write_random(void) 1935 { 1936 __asm__ __volatile__( 1937 ".set noreorder\n\t" 1938 "tlbwr\n\t" 1939 ".set reorder"); 1940 } 1941 1942 /* 1943 * Manipulate bits in a c0 register. 1944 */ 1945 #define __BUILD_SET_C0(name) \ 1946 static inline unsigned int \ 1947 set_c0_##name(unsigned int set) \ 1948 { \ 1949 unsigned int res, new; \ 1950 \ 1951 res = read_c0_##name(); \ 1952 new = res | set; \ 1953 write_c0_##name(new); \ 1954 \ 1955 return res; \ 1956 } \ 1957 \ 1958 static inline unsigned int \ 1959 clear_c0_##name(unsigned int clear) \ 1960 { \ 1961 unsigned int res, new; \ 1962 \ 1963 res = read_c0_##name(); \ 1964 new = res & ~clear; \ 1965 write_c0_##name(new); \ 1966 \ 1967 return res; \ 1968 } \ 1969 \ 1970 static inline unsigned int \ 1971 change_c0_##name(unsigned int change, unsigned int val) \ 1972 { \ 1973 unsigned int res, new; \ 1974 \ 1975 res = read_c0_##name(); \ 1976 new = res & ~change; \ 1977 new |= (val & change); \ 1978 write_c0_##name(new); \ 1979 \ 1980 return res; \ 1981 } 1982 1983 __BUILD_SET_C0(status) 1984 __BUILD_SET_C0(cause) 1985 __BUILD_SET_C0(config) 1986 __BUILD_SET_C0(config5) 1987 __BUILD_SET_C0(intcontrol) 1988 __BUILD_SET_C0(intctl) 1989 __BUILD_SET_C0(srsmap) 1990 __BUILD_SET_C0(pagegrain) 1991 __BUILD_SET_C0(brcm_config_0) 1992 __BUILD_SET_C0(brcm_bus_pll) 1993 __BUILD_SET_C0(brcm_reset) 1994 __BUILD_SET_C0(brcm_cmt_intr) 1995 __BUILD_SET_C0(brcm_cmt_ctrl) 1996 __BUILD_SET_C0(brcm_config) 1997 __BUILD_SET_C0(brcm_mode) 1998 1999 /* 2000 * Return low 10 bits of ebase. 2001 * Note that under KVM (MIPSVZ) this returns vcpu id. 2002 */ 2003 static inline unsigned int get_ebase_cpunum(void) 2004 { 2005 return read_c0_ebase() & 0x3ff; 2006 } 2007 2008 #endif /* !__ASSEMBLY__ */ 2009 2010 #endif /* _ASM_MIPSREGS_H */ 2011
