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/war.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 #else 38 #define _ULCAST_ (unsigned long) 39 #endif 40 41 /* 42 * Coprocessor 0 register names 43 */ 44 #define CP0_INDEX $0 45 #define CP0_RANDOM $1 46 #define CP0_ENTRYLO0 $2 47 #define CP0_ENTRYLO1 $3 48 #define CP0_CONF $3 49 #define CP0_CONTEXT $4 50 #define CP0_PAGEMASK $5 51 #define CP0_SEGCTL0 $5, 2 52 #define CP0_SEGCTL1 $5, 3 53 #define CP0_SEGCTL2 $5, 4 54 #define CP0_WIRED $6 55 #define CP0_INFO $7 56 #define CP0_HWRENA $7 57 #define CP0_BADVADDR $8 58 #define CP0_BADINSTR $8, 1 59 #define CP0_COUNT $9 60 #define CP0_ENTRYHI $10 61 #define CP0_GUESTCTL1 $10, 4 62 #define CP0_GUESTCTL2 $10, 5 63 #define CP0_GUESTCTL3 $10, 6 64 #define CP0_COMPARE $11 65 #define CP0_GUESTCTL0EXT $11, 4 66 #define CP0_STATUS $12 67 #define CP0_GUESTCTL0 $12, 6 68 #define CP0_GTOFFSET $12, 7 69 #define CP0_CAUSE $13 70 #define CP0_EPC $14 71 #define CP0_PRID $15 72 #define CP0_EBASE $15, 1 73 #define CP0_CMGCRBASE $15, 3 74 #define CP0_CONFIG $16 75 #define CP0_CONFIG3 $16, 3 76 #define CP0_CONFIG5 $16, 5 77 #define CP0_LLADDR $17 78 #define CP0_WATCHLO $18 79 #define CP0_WATCHHI $19 80 #define CP0_XCONTEXT $20 81 #define CP0_FRAMEMASK $21 82 #define CP0_DIAGNOSTIC $22 83 #define CP0_DEBUG $23 84 #define CP0_DEPC $24 85 #define CP0_PERFORMANCE $25 86 #define CP0_ECC $26 87 #define CP0_CACHEERR $27 88 #define CP0_TAGLO $28 89 #define CP0_TAGHI $29 90 #define CP0_ERROREPC $30 91 #define CP0_DESAVE $31 92 93 /* 94 * R4640/R4650 cp0 register names. These registers are listed 95 * here only for completeness; without MMU these CPUs are not useable 96 * by Linux. A future ELKS port might take make Linux run on them 97 * though ... 98 */ 99 #define CP0_IBASE $0 100 #define CP0_IBOUND $1 101 #define CP0_DBASE $2 102 #define CP0_DBOUND $3 103 #define CP0_CALG $17 104 #define CP0_IWATCH $18 105 #define CP0_DWATCH $19 106 107 /* 108 * Coprocessor 0 Set 1 register names 109 */ 110 #define CP0_S1_DERRADDR0 $26 111 #define CP0_S1_DERRADDR1 $27 112 #define CP0_S1_INTCONTROL $20 113 114 /* 115 * Coprocessor 0 Set 2 register names 116 */ 117 #define CP0_S2_SRSCTL $12 /* MIPSR2 */ 118 119 /* 120 * Coprocessor 0 Set 3 register names 121 */ 122 #define CP0_S3_SRSMAP $12 /* MIPSR2 */ 123 124 /* 125 * TX39 Series 126 */ 127 #define CP0_TX39_CACHE $7 128 129 130 /* Generic EntryLo bit definitions */ 131 #define ENTRYLO_G (_ULCAST_(1) << 0) 132 #define ENTRYLO_V (_ULCAST_(1) << 1) 133 #define ENTRYLO_D (_ULCAST_(1) << 2) 134 #define ENTRYLO_C_SHIFT 3 135 #define ENTRYLO_C (_ULCAST_(7) << ENTRYLO_C_SHIFT) 136 137 /* R3000 EntryLo bit definitions */ 138 #define R3K_ENTRYLO_G (_ULCAST_(1) << 8) 139 #define R3K_ENTRYLO_V (_ULCAST_(1) << 9) 140 #define R3K_ENTRYLO_D (_ULCAST_(1) << 10) 141 #define R3K_ENTRYLO_N (_ULCAST_(1) << 11) 142 143 /* MIPS32/64 EntryLo bit definitions */ 144 #define MIPS_ENTRYLO_PFN_SHIFT 6 145 #define MIPS_ENTRYLO_XI (_ULCAST_(1) << (BITS_PER_LONG - 2)) 146 #define MIPS_ENTRYLO_RI (_ULCAST_(1) << (BITS_PER_LONG - 1)) 147 148 /* 149 * Values for PageMask register 150 */ 151 #ifdef CONFIG_CPU_VR41XX 152 153 /* Why doesn't stupidity hurt ... */ 154 155 #define PM_1K 0x00000000 156 #define PM_4K 0x00001800 157 #define PM_16K 0x00007800 158 #define PM_64K 0x0001f800 159 #define PM_256K 0x0007f800 160 161 #else 162 163 #define PM_4K 0x00000000 164 #define PM_8K 0x00002000 165 #define PM_16K 0x00006000 166 #define PM_32K 0x0000e000 167 #define PM_64K 0x0001e000 168 #define PM_128K 0x0003e000 169 #define PM_256K 0x0007e000 170 #define PM_512K 0x000fe000 171 #define PM_1M 0x001fe000 172 #define PM_2M 0x003fe000 173 #define PM_4M 0x007fe000 174 #define PM_8M 0x00ffe000 175 #define PM_16M 0x01ffe000 176 #define PM_32M 0x03ffe000 177 #define PM_64M 0x07ffe000 178 #define PM_256M 0x1fffe000 179 #define PM_1G 0x7fffe000 180 181 #endif 182 183 /* 184 * Default page size for a given kernel configuration 185 */ 186 #ifdef CONFIG_PAGE_SIZE_4KB 187 #define PM_DEFAULT_MASK PM_4K 188 #elif defined(CONFIG_PAGE_SIZE_8KB) 189 #define PM_DEFAULT_MASK PM_8K 190 #elif defined(CONFIG_PAGE_SIZE_16KB) 191 #define PM_DEFAULT_MASK PM_16K 192 #elif defined(CONFIG_PAGE_SIZE_32KB) 193 #define PM_DEFAULT_MASK PM_32K 194 #elif defined(CONFIG_PAGE_SIZE_64KB) 195 #define PM_DEFAULT_MASK PM_64K 196 #else 197 #error Bad page size configuration! 198 #endif 199 200 /* 201 * Default huge tlb size for a given kernel configuration 202 */ 203 #ifdef CONFIG_PAGE_SIZE_4KB 204 #define PM_HUGE_MASK PM_1M 205 #elif defined(CONFIG_PAGE_SIZE_8KB) 206 #define PM_HUGE_MASK PM_4M 207 #elif defined(CONFIG_PAGE_SIZE_16KB) 208 #define PM_HUGE_MASK PM_16M 209 #elif defined(CONFIG_PAGE_SIZE_32KB) 210 #define PM_HUGE_MASK PM_64M 211 #elif defined(CONFIG_PAGE_SIZE_64KB) 212 #define PM_HUGE_MASK PM_256M 213 #elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT) 214 #error Bad page size configuration for hugetlbfs! 215 #endif 216 217 /* 218 * Values used for computation of new tlb entries 219 */ 220 #define PL_4K 12 221 #define PL_16K 14 222 #define PL_64K 16 223 #define PL_256K 18 224 #define PL_1M 20 225 #define PL_4M 22 226 #define PL_16M 24 227 #define PL_64M 26 228 #define PL_256M 28 229 230 /* 231 * PageGrain bits 232 */ 233 #define PG_RIE (_ULCAST_(1) << 31) 234 #define PG_XIE (_ULCAST_(1) << 30) 235 #define PG_ELPA (_ULCAST_(1) << 29) 236 #define PG_ESP (_ULCAST_(1) << 28) 237 #define PG_IEC (_ULCAST_(1) << 27) 238 239 /* MIPS32/64 EntryHI bit definitions */ 240 #define MIPS_ENTRYHI_EHINV (_ULCAST_(1) << 10) 241 #define MIPS_ENTRYHI_ASIDX (_ULCAST_(0x3) << 8) 242 #define MIPS_ENTRYHI_ASID (_ULCAST_(0xff) << 0) 243 244 /* 245 * R4x00 interrupt enable / cause bits 246 */ 247 #define IE_SW0 (_ULCAST_(1) << 8) 248 #define IE_SW1 (_ULCAST_(1) << 9) 249 #define IE_IRQ0 (_ULCAST_(1) << 10) 250 #define IE_IRQ1 (_ULCAST_(1) << 11) 251 #define IE_IRQ2 (_ULCAST_(1) << 12) 252 #define IE_IRQ3 (_ULCAST_(1) << 13) 253 #define IE_IRQ4 (_ULCAST_(1) << 14) 254 #define IE_IRQ5 (_ULCAST_(1) << 15) 255 256 /* 257 * R4x00 interrupt cause bits 258 */ 259 #define C_SW0 (_ULCAST_(1) << 8) 260 #define C_SW1 (_ULCAST_(1) << 9) 261 #define C_IRQ0 (_ULCAST_(1) << 10) 262 #define C_IRQ1 (_ULCAST_(1) << 11) 263 #define C_IRQ2 (_ULCAST_(1) << 12) 264 #define C_IRQ3 (_ULCAST_(1) << 13) 265 #define C_IRQ4 (_ULCAST_(1) << 14) 266 #define C_IRQ5 (_ULCAST_(1) << 15) 267 268 /* 269 * Bitfields in the R4xx0 cp0 status register 270 */ 271 #define ST0_IE 0x00000001 272 #define ST0_EXL 0x00000002 273 #define ST0_ERL 0x00000004 274 #define ST0_KSU 0x00000018 275 # define KSU_USER 0x00000010 276 # define KSU_SUPERVISOR 0x00000008 277 # define KSU_KERNEL 0x00000000 278 #define ST0_UX 0x00000020 279 #define ST0_SX 0x00000040 280 #define ST0_KX 0x00000080 281 #define ST0_DE 0x00010000 282 #define ST0_CE 0x00020000 283 284 /* 285 * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate 286 * cacheops in userspace. This bit exists only on RM7000 and RM9000 287 * processors. 288 */ 289 #define ST0_CO 0x08000000 290 291 /* 292 * Bitfields in the R[23]000 cp0 status register. 293 */ 294 #define ST0_IEC 0x00000001 295 #define ST0_KUC 0x00000002 296 #define ST0_IEP 0x00000004 297 #define ST0_KUP 0x00000008 298 #define ST0_IEO 0x00000010 299 #define ST0_KUO 0x00000020 300 /* bits 6 & 7 are reserved on R[23]000 */ 301 #define ST0_ISC 0x00010000 302 #define ST0_SWC 0x00020000 303 #define ST0_CM 0x00080000 304 305 /* 306 * Bits specific to the R4640/R4650 307 */ 308 #define ST0_UM (_ULCAST_(1) << 4) 309 #define ST0_IL (_ULCAST_(1) << 23) 310 #define ST0_DL (_ULCAST_(1) << 24) 311 312 /* 313 * Enable the MIPS MDMX and DSP ASEs 314 */ 315 #define ST0_MX 0x01000000 316 317 /* 318 * Status register bits available in all MIPS CPUs. 319 */ 320 #define ST0_IM 0x0000ff00 321 #define STATUSB_IP0 8 322 #define STATUSF_IP0 (_ULCAST_(1) << 8) 323 #define STATUSB_IP1 9 324 #define STATUSF_IP1 (_ULCAST_(1) << 9) 325 #define STATUSB_IP2 10 326 #define STATUSF_IP2 (_ULCAST_(1) << 10) 327 #define STATUSB_IP3 11 328 #define STATUSF_IP3 (_ULCAST_(1) << 11) 329 #define STATUSB_IP4 12 330 #define STATUSF_IP4 (_ULCAST_(1) << 12) 331 #define STATUSB_IP5 13 332 #define STATUSF_IP5 (_ULCAST_(1) << 13) 333 #define STATUSB_IP6 14 334 #define STATUSF_IP6 (_ULCAST_(1) << 14) 335 #define STATUSB_IP7 15 336 #define STATUSF_IP7 (_ULCAST_(1) << 15) 337 #define STATUSB_IP8 0 338 #define STATUSF_IP8 (_ULCAST_(1) << 0) 339 #define STATUSB_IP9 1 340 #define STATUSF_IP9 (_ULCAST_(1) << 1) 341 #define STATUSB_IP10 2 342 #define STATUSF_IP10 (_ULCAST_(1) << 2) 343 #define STATUSB_IP11 3 344 #define STATUSF_IP11 (_ULCAST_(1) << 3) 345 #define STATUSB_IP12 4 346 #define STATUSF_IP12 (_ULCAST_(1) << 4) 347 #define STATUSB_IP13 5 348 #define STATUSF_IP13 (_ULCAST_(1) << 5) 349 #define STATUSB_IP14 6 350 #define STATUSF_IP14 (_ULCAST_(1) << 6) 351 #define STATUSB_IP15 7 352 #define STATUSF_IP15 (_ULCAST_(1) << 7) 353 #define ST0_CH 0x00040000 354 #define ST0_NMI 0x00080000 355 #define ST0_SR 0x00100000 356 #define ST0_TS 0x00200000 357 #define ST0_BEV 0x00400000 358 #define ST0_RE 0x02000000 359 #define ST0_FR 0x04000000 360 #define ST0_CU 0xf0000000 361 #define ST0_CU0 0x10000000 362 #define ST0_CU1 0x20000000 363 #define ST0_CU2 0x40000000 364 #define ST0_CU3 0x80000000 365 #define ST0_XX 0x80000000 /* MIPS IV naming */ 366 367 /* 368 * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2) 369 */ 370 #define INTCTLB_IPFDC 23 371 #define INTCTLF_IPFDC (_ULCAST_(7) << INTCTLB_IPFDC) 372 #define INTCTLB_IPPCI 26 373 #define INTCTLF_IPPCI (_ULCAST_(7) << INTCTLB_IPPCI) 374 #define INTCTLB_IPTI 29 375 #define INTCTLF_IPTI (_ULCAST_(7) << INTCTLB_IPTI) 376 377 /* 378 * Bitfields and bit numbers in the coprocessor 0 cause register. 379 * 380 * Refer to your MIPS R4xx0 manual, chapter 5 for explanation. 381 */ 382 #define CAUSEB_EXCCODE 2 383 #define CAUSEF_EXCCODE (_ULCAST_(31) << 2) 384 #define CAUSEB_IP 8 385 #define CAUSEF_IP (_ULCAST_(255) << 8) 386 #define CAUSEB_IP0 8 387 #define CAUSEF_IP0 (_ULCAST_(1) << 8) 388 #define CAUSEB_IP1 9 389 #define CAUSEF_IP1 (_ULCAST_(1) << 9) 390 #define CAUSEB_IP2 10 391 #define CAUSEF_IP2 (_ULCAST_(1) << 10) 392 #define CAUSEB_IP3 11 393 #define CAUSEF_IP3 (_ULCAST_(1) << 11) 394 #define CAUSEB_IP4 12 395 #define CAUSEF_IP4 (_ULCAST_(1) << 12) 396 #define CAUSEB_IP5 13 397 #define CAUSEF_IP5 (_ULCAST_(1) << 13) 398 #define CAUSEB_IP6 14 399 #define CAUSEF_IP6 (_ULCAST_(1) << 14) 400 #define CAUSEB_IP7 15 401 #define CAUSEF_IP7 (_ULCAST_(1) << 15) 402 #define CAUSEB_FDCI 21 403 #define CAUSEF_FDCI (_ULCAST_(1) << 21) 404 #define CAUSEB_WP 22 405 #define CAUSEF_WP (_ULCAST_(1) << 22) 406 #define CAUSEB_IV 23 407 #define CAUSEF_IV (_ULCAST_(1) << 23) 408 #define CAUSEB_PCI 26 409 #define CAUSEF_PCI (_ULCAST_(1) << 26) 410 #define CAUSEB_DC 27 411 #define CAUSEF_DC (_ULCAST_(1) << 27) 412 #define CAUSEB_CE 28 413 #define CAUSEF_CE (_ULCAST_(3) << 28) 414 #define CAUSEB_TI 30 415 #define CAUSEF_TI (_ULCAST_(1) << 30) 416 #define CAUSEB_BD 31 417 #define CAUSEF_BD (_ULCAST_(1) << 31) 418 419 /* 420 * Cause.ExcCode trap codes. 421 */ 422 #define EXCCODE_INT 0 /* Interrupt pending */ 423 #define EXCCODE_MOD 1 /* TLB modified fault */ 424 #define EXCCODE_TLBL 2 /* TLB miss on load or ifetch */ 425 #define EXCCODE_TLBS 3 /* TLB miss on a store */ 426 #define EXCCODE_ADEL 4 /* Address error on a load or ifetch */ 427 #define EXCCODE_ADES 5 /* Address error on a store */ 428 #define EXCCODE_IBE 6 /* Bus error on an ifetch */ 429 #define EXCCODE_DBE 7 /* Bus error on a load or store */ 430 #define EXCCODE_SYS 8 /* System call */ 431 #define EXCCODE_BP 9 /* Breakpoint */ 432 #define EXCCODE_RI 10 /* Reserved instruction exception */ 433 #define EXCCODE_CPU 11 /* Coprocessor unusable */ 434 #define EXCCODE_OV 12 /* Arithmetic overflow */ 435 #define EXCCODE_TR 13 /* Trap instruction */ 436 #define EXCCODE_MSAFPE 14 /* MSA floating point exception */ 437 #define EXCCODE_FPE 15 /* Floating point exception */ 438 #define EXCCODE_TLBRI 19 /* TLB Read-Inhibit exception */ 439 #define EXCCODE_TLBXI 20 /* TLB Execution-Inhibit exception */ 440 #define EXCCODE_MSADIS 21 /* MSA disabled exception */ 441 #define EXCCODE_MDMX 22 /* MDMX unusable exception */ 442 #define EXCCODE_WATCH 23 /* Watch address reference */ 443 #define EXCCODE_MCHECK 24 /* Machine check */ 444 #define EXCCODE_THREAD 25 /* Thread exceptions (MT) */ 445 #define EXCCODE_DSPDIS 26 /* DSP disabled exception */ 446 #define EXCCODE_GE 27 /* Virtualized guest exception (VZ) */ 447 448 /* Implementation specific trap codes used by MIPS cores */ 449 #define MIPS_EXCCODE_TLBPAR 16 /* TLB parity error exception */ 450 451 /* 452 * Bits in the coprocessor 0 config register. 453 */ 454 /* Generic bits. */ 455 #define CONF_CM_CACHABLE_NO_WA 0 456 #define CONF_CM_CACHABLE_WA 1 457 #define CONF_CM_UNCACHED 2 458 #define CONF_CM_CACHABLE_NONCOHERENT 3 459 #define CONF_CM_CACHABLE_CE 4 460 #define CONF_CM_CACHABLE_COW 5 461 #define CONF_CM_CACHABLE_CUW 6 462 #define CONF_CM_CACHABLE_ACCELERATED 7 463 #define CONF_CM_CMASK 7 464 #define CONF_BE (_ULCAST_(1) << 15) 465 466 /* Bits common to various processors. */ 467 #define CONF_CU (_ULCAST_(1) << 3) 468 #define CONF_DB (_ULCAST_(1) << 4) 469 #define CONF_IB (_ULCAST_(1) << 5) 470 #define CONF_DC (_ULCAST_(7) << 6) 471 #define CONF_IC (_ULCAST_(7) << 9) 472 #define CONF_EB (_ULCAST_(1) << 13) 473 #define CONF_EM (_ULCAST_(1) << 14) 474 #define CONF_SM (_ULCAST_(1) << 16) 475 #define CONF_SC (_ULCAST_(1) << 17) 476 #define CONF_EW (_ULCAST_(3) << 18) 477 #define CONF_EP (_ULCAST_(15)<< 24) 478 #define CONF_EC (_ULCAST_(7) << 28) 479 #define CONF_CM (_ULCAST_(1) << 31) 480 481 /* Bits specific to the R4xx0. */ 482 #define R4K_CONF_SW (_ULCAST_(1) << 20) 483 #define R4K_CONF_SS (_ULCAST_(1) << 21) 484 #define R4K_CONF_SB (_ULCAST_(3) << 22) 485 486 /* Bits specific to the R5000. */ 487 #define R5K_CONF_SE (_ULCAST_(1) << 12) 488 #define R5K_CONF_SS (_ULCAST_(3) << 20) 489 490 /* Bits specific to the RM7000. */ 491 #define RM7K_CONF_SE (_ULCAST_(1) << 3) 492 #define RM7K_CONF_TE (_ULCAST_(1) << 12) 493 #define RM7K_CONF_CLK (_ULCAST_(1) << 16) 494 #define RM7K_CONF_TC (_ULCAST_(1) << 17) 495 #define RM7K_CONF_SI (_ULCAST_(3) << 20) 496 #define RM7K_CONF_SC (_ULCAST_(1) << 31) 497 498 /* Bits specific to the R10000. */ 499 #define R10K_CONF_DN (_ULCAST_(3) << 3) 500 #define R10K_CONF_CT (_ULCAST_(1) << 5) 501 #define R10K_CONF_PE (_ULCAST_(1) << 6) 502 #define R10K_CONF_PM (_ULCAST_(3) << 7) 503 #define R10K_CONF_EC (_ULCAST_(15)<< 9) 504 #define R10K_CONF_SB (_ULCAST_(1) << 13) 505 #define R10K_CONF_SK (_ULCAST_(1) << 14) 506 #define R10K_CONF_SS (_ULCAST_(7) << 16) 507 #define R10K_CONF_SC (_ULCAST_(7) << 19) 508 #define R10K_CONF_DC (_ULCAST_(7) << 26) 509 #define R10K_CONF_IC (_ULCAST_(7) << 29) 510 511 /* Bits specific to the VR41xx. */ 512 #define VR41_CONF_CS (_ULCAST_(1) << 12) 513 #define VR41_CONF_P4K (_ULCAST_(1) << 13) 514 #define VR41_CONF_BP (_ULCAST_(1) << 16) 515 #define VR41_CONF_M16 (_ULCAST_(1) << 20) 516 #define VR41_CONF_AD (_ULCAST_(1) << 23) 517 518 /* Bits specific to the R30xx. */ 519 #define R30XX_CONF_FDM (_ULCAST_(1) << 19) 520 #define R30XX_CONF_REV (_ULCAST_(1) << 22) 521 #define R30XX_CONF_AC (_ULCAST_(1) << 23) 522 #define R30XX_CONF_RF (_ULCAST_(1) << 24) 523 #define R30XX_CONF_HALT (_ULCAST_(1) << 25) 524 #define R30XX_CONF_FPINT (_ULCAST_(7) << 26) 525 #define R30XX_CONF_DBR (_ULCAST_(1) << 29) 526 #define R30XX_CONF_SB (_ULCAST_(1) << 30) 527 #define R30XX_CONF_LOCK (_ULCAST_(1) << 31) 528 529 /* Bits specific to the TX49. */ 530 #define TX49_CONF_DC (_ULCAST_(1) << 16) 531 #define TX49_CONF_IC (_ULCAST_(1) << 17) /* conflict with CONF_SC */ 532 #define TX49_CONF_HALT (_ULCAST_(1) << 18) 533 #define TX49_CONF_CWFON (_ULCAST_(1) << 27) 534 535 /* Bits specific to the MIPS32/64 PRA. */ 536 #define MIPS_CONF_VI (_ULCAST_(1) << 3) 537 #define MIPS_CONF_MT (_ULCAST_(7) << 7) 538 #define MIPS_CONF_MT_TLB (_ULCAST_(1) << 7) 539 #define MIPS_CONF_MT_FTLB (_ULCAST_(4) << 7) 540 #define MIPS_CONF_AR (_ULCAST_(7) << 10) 541 #define MIPS_CONF_AT (_ULCAST_(3) << 13) 542 #define MIPS_CONF_M (_ULCAST_(1) << 31) 543 544 /* 545 * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above. 546 */ 547 #define MIPS_CONF1_FP (_ULCAST_(1) << 0) 548 #define MIPS_CONF1_EP (_ULCAST_(1) << 1) 549 #define MIPS_CONF1_CA (_ULCAST_(1) << 2) 550 #define MIPS_CONF1_WR (_ULCAST_(1) << 3) 551 #define MIPS_CONF1_PC (_ULCAST_(1) << 4) 552 #define MIPS_CONF1_MD (_ULCAST_(1) << 5) 553 #define MIPS_CONF1_C2 (_ULCAST_(1) << 6) 554 #define MIPS_CONF1_DA_SHF 7 555 #define MIPS_CONF1_DA_SZ 3 556 #define MIPS_CONF1_DA (_ULCAST_(7) << 7) 557 #define MIPS_CONF1_DL_SHF 10 558 #define MIPS_CONF1_DL_SZ 3 559 #define MIPS_CONF1_DL (_ULCAST_(7) << 10) 560 #define MIPS_CONF1_DS_SHF 13 561 #define MIPS_CONF1_DS_SZ 3 562 #define MIPS_CONF1_DS (_ULCAST_(7) << 13) 563 #define MIPS_CONF1_IA_SHF 16 564 #define MIPS_CONF1_IA_SZ 3 565 #define MIPS_CONF1_IA (_ULCAST_(7) << 16) 566 #define MIPS_CONF1_IL_SHF 19 567 #define MIPS_CONF1_IL_SZ 3 568 #define MIPS_CONF1_IL (_ULCAST_(7) << 19) 569 #define MIPS_CONF1_IS_SHF 22 570 #define MIPS_CONF1_IS_SZ 3 571 #define MIPS_CONF1_IS (_ULCAST_(7) << 22) 572 #define MIPS_CONF1_TLBS_SHIFT (25) 573 #define MIPS_CONF1_TLBS_SIZE (6) 574 #define MIPS_CONF1_TLBS (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT) 575 576 #define MIPS_CONF2_SA (_ULCAST_(15)<< 0) 577 #define MIPS_CONF2_SL (_ULCAST_(15)<< 4) 578 #define MIPS_CONF2_SS (_ULCAST_(15)<< 8) 579 #define MIPS_CONF2_SU (_ULCAST_(15)<< 12) 580 #define MIPS_CONF2_TA (_ULCAST_(15)<< 16) 581 #define MIPS_CONF2_TL (_ULCAST_(15)<< 20) 582 #define MIPS_CONF2_TS (_ULCAST_(15)<< 24) 583 #define MIPS_CONF2_TU (_ULCAST_(7) << 28) 584 585 #define MIPS_CONF3_TL (_ULCAST_(1) << 0) 586 #define MIPS_CONF3_SM (_ULCAST_(1) << 1) 587 #define MIPS_CONF3_MT (_ULCAST_(1) << 2) 588 #define MIPS_CONF3_CDMM (_ULCAST_(1) << 3) 589 #define MIPS_CONF3_SP (_ULCAST_(1) << 4) 590 #define MIPS_CONF3_VINT (_ULCAST_(1) << 5) 591 #define MIPS_CONF3_VEIC (_ULCAST_(1) << 6) 592 #define MIPS_CONF3_LPA (_ULCAST_(1) << 7) 593 #define MIPS_CONF3_ITL (_ULCAST_(1) << 8) 594 #define MIPS_CONF3_CTXTC (_ULCAST_(1) << 9) 595 #define MIPS_CONF3_DSP (_ULCAST_(1) << 10) 596 #define MIPS_CONF3_DSP2P (_ULCAST_(1) << 11) 597 #define MIPS_CONF3_RXI (_ULCAST_(1) << 12) 598 #define MIPS_CONF3_ULRI (_ULCAST_(1) << 13) 599 #define MIPS_CONF3_ISA (_ULCAST_(3) << 14) 600 #define MIPS_CONF3_ISA_OE (_ULCAST_(1) << 16) 601 #define MIPS_CONF3_MCU (_ULCAST_(1) << 17) 602 #define MIPS_CONF3_MMAR (_ULCAST_(7) << 18) 603 #define MIPS_CONF3_IPLW (_ULCAST_(3) << 21) 604 #define MIPS_CONF3_VZ (_ULCAST_(1) << 23) 605 #define MIPS_CONF3_PW (_ULCAST_(1) << 24) 606 #define MIPS_CONF3_SC (_ULCAST_(1) << 25) 607 #define MIPS_CONF3_BI (_ULCAST_(1) << 26) 608 #define MIPS_CONF3_BP (_ULCAST_(1) << 27) 609 #define MIPS_CONF3_MSA (_ULCAST_(1) << 28) 610 #define MIPS_CONF3_CMGCR (_ULCAST_(1) << 29) 611 #define MIPS_CONF3_BPG (_ULCAST_(1) << 30) 612 613 #define MIPS_CONF4_MMUSIZEEXT_SHIFT (0) 614 #define MIPS_CONF4_MMUSIZEEXT (_ULCAST_(255) << 0) 615 #define MIPS_CONF4_FTLBSETS_SHIFT (0) 616 #define MIPS_CONF4_FTLBSETS (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT) 617 #define MIPS_CONF4_FTLBWAYS_SHIFT (4) 618 #define MIPS_CONF4_FTLBWAYS (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT) 619 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT (8) 620 /* bits 10:8 in FTLB-only configurations */ 621 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) 622 /* bits 12:8 in VTLB-FTLB only configurations */ 623 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT) 624 #define MIPS_CONF4_MMUEXTDEF (_ULCAST_(3) << 14) 625 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14) 626 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT (_ULCAST_(2) << 14) 627 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT (_ULCAST_(3) << 14) 628 #define MIPS_CONF4_KSCREXIST_SHIFT (16) 629 #define MIPS_CONF4_KSCREXIST (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT) 630 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT (24) 631 #define MIPS_CONF4_VTLBSIZEEXT (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT) 632 #define MIPS_CONF4_AE (_ULCAST_(1) << 28) 633 #define MIPS_CONF4_IE (_ULCAST_(3) << 29) 634 #define MIPS_CONF4_TLBINV (_ULCAST_(2) << 29) 635 636 #define MIPS_CONF5_NF (_ULCAST_(1) << 0) 637 #define MIPS_CONF5_UFR (_ULCAST_(1) << 2) 638 #define MIPS_CONF5_MRP (_ULCAST_(1) << 3) 639 #define MIPS_CONF5_LLB (_ULCAST_(1) << 4) 640 #define MIPS_CONF5_MVH (_ULCAST_(1) << 5) 641 #define MIPS_CONF5_VP (_ULCAST_(1) << 7) 642 #define MIPS_CONF5_FRE (_ULCAST_(1) << 8) 643 #define MIPS_CONF5_UFE (_ULCAST_(1) << 9) 644 #define MIPS_CONF5_MSAEN (_ULCAST_(1) << 27) 645 #define MIPS_CONF5_EVA (_ULCAST_(1) << 28) 646 #define MIPS_CONF5_CV (_ULCAST_(1) << 29) 647 #define MIPS_CONF5_K (_ULCAST_(1) << 30) 648 649 #define MIPS_CONF6_SYND (_ULCAST_(1) << 13) 650 /* proAptiv FTLB on/off bit */ 651 #define MIPS_CONF6_FTLBEN (_ULCAST_(1) << 15) 652 /* Loongson-3 FTLB on/off bit */ 653 #define MIPS_CONF6_FTLBDIS (_ULCAST_(1) << 22) 654 /* FTLB probability bits */ 655 #define MIPS_CONF6_FTLBP_SHIFT (16) 656 657 #define MIPS_CONF7_WII (_ULCAST_(1) << 31) 658 659 #define MIPS_CONF7_RPS (_ULCAST_(1) << 2) 660 661 #define MIPS_CONF7_IAR (_ULCAST_(1) << 10) 662 #define MIPS_CONF7_AR (_ULCAST_(1) << 16) 663 /* FTLB probability bits for R6 */ 664 #define MIPS_CONF7_FTLBP_SHIFT (18) 665 666 /* WatchLo* register definitions */ 667 #define MIPS_WATCHLO_IRW (_ULCAST_(0x7) << 0) 668 669 /* WatchHi* register definitions */ 670 #define MIPS_WATCHHI_M (_ULCAST_(1) << 31) 671 #define MIPS_WATCHHI_G (_ULCAST_(1) << 30) 672 #define MIPS_WATCHHI_WM (_ULCAST_(0x3) << 28) 673 #define MIPS_WATCHHI_WM_R_RVA (_ULCAST_(0) << 28) 674 #define MIPS_WATCHHI_WM_R_GPA (_ULCAST_(1) << 28) 675 #define MIPS_WATCHHI_WM_G_GVA (_ULCAST_(2) << 28) 676 #define MIPS_WATCHHI_EAS (_ULCAST_(0x3) << 24) 677 #define MIPS_WATCHHI_ASID (_ULCAST_(0xff) << 16) 678 #define MIPS_WATCHHI_MASK (_ULCAST_(0x1ff) << 3) 679 #define MIPS_WATCHHI_I (_ULCAST_(1) << 2) 680 #define MIPS_WATCHHI_R (_ULCAST_(1) << 1) 681 #define MIPS_WATCHHI_W (_ULCAST_(1) << 0) 682 #define MIPS_WATCHHI_IRW (_ULCAST_(0x7) << 0) 683 684 /* MAAR bit definitions */ 685 #define MIPS_MAAR_ADDR ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12) 686 #define MIPS_MAAR_ADDR_SHIFT 12 687 #define MIPS_MAAR_S (_ULCAST_(1) << 1) 688 #define MIPS_MAAR_V (_ULCAST_(1) << 0) 689 690 /* EBase bit definitions */ 691 #define MIPS_EBASE_CPUNUM_SHIFT 0 692 #define MIPS_EBASE_CPUNUM (_ULCAST_(0x3ff) << 0) 693 #define MIPS_EBASE_WG_SHIFT 11 694 #define MIPS_EBASE_WG (_ULCAST_(1) << 11) 695 #define MIPS_EBASE_BASE_SHIFT 12 696 #define MIPS_EBASE_BASE (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1)) 697 698 /* CMGCRBase bit definitions */ 699 #define MIPS_CMGCRB_BASE 11 700 #define MIPS_CMGCRF_BASE (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1)) 701 702 /* 703 * Bits in the MIPS32 Memory Segmentation registers. 704 */ 705 #define MIPS_SEGCFG_PA_SHIFT 9 706 #define MIPS_SEGCFG_PA (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT) 707 #define MIPS_SEGCFG_AM_SHIFT 4 708 #define MIPS_SEGCFG_AM (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT) 709 #define MIPS_SEGCFG_EU_SHIFT 3 710 #define MIPS_SEGCFG_EU (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT) 711 #define MIPS_SEGCFG_C_SHIFT 0 712 #define MIPS_SEGCFG_C (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT) 713 714 #define MIPS_SEGCFG_UUSK _ULCAST_(7) 715 #define MIPS_SEGCFG_USK _ULCAST_(5) 716 #define MIPS_SEGCFG_MUSUK _ULCAST_(4) 717 #define MIPS_SEGCFG_MUSK _ULCAST_(3) 718 #define MIPS_SEGCFG_MSK _ULCAST_(2) 719 #define MIPS_SEGCFG_MK _ULCAST_(1) 720 #define MIPS_SEGCFG_UK _ULCAST_(0) 721 722 #define MIPS_PWFIELD_GDI_SHIFT 24 723 #define MIPS_PWFIELD_GDI_MASK 0x3f000000 724 #define MIPS_PWFIELD_UDI_SHIFT 18 725 #define MIPS_PWFIELD_UDI_MASK 0x00fc0000 726 #define MIPS_PWFIELD_MDI_SHIFT 12 727 #define MIPS_PWFIELD_MDI_MASK 0x0003f000 728 #define MIPS_PWFIELD_PTI_SHIFT 6 729 #define MIPS_PWFIELD_PTI_MASK 0x00000fc0 730 #define MIPS_PWFIELD_PTEI_SHIFT 0 731 #define MIPS_PWFIELD_PTEI_MASK 0x0000003f 732 733 #define MIPS_PWSIZE_PS_SHIFT 30 734 #define MIPS_PWSIZE_PS_MASK 0x40000000 735 #define MIPS_PWSIZE_GDW_SHIFT 24 736 #define MIPS_PWSIZE_GDW_MASK 0x3f000000 737 #define MIPS_PWSIZE_UDW_SHIFT 18 738 #define MIPS_PWSIZE_UDW_MASK 0x00fc0000 739 #define MIPS_PWSIZE_MDW_SHIFT 12 740 #define MIPS_PWSIZE_MDW_MASK 0x0003f000 741 #define MIPS_PWSIZE_PTW_SHIFT 6 742 #define MIPS_PWSIZE_PTW_MASK 0x00000fc0 743 #define MIPS_PWSIZE_PTEW_SHIFT 0 744 #define MIPS_PWSIZE_PTEW_MASK 0x0000003f 745 746 #define MIPS_PWCTL_PWEN_SHIFT 31 747 #define MIPS_PWCTL_PWEN_MASK 0x80000000 748 #define MIPS_PWCTL_XK_SHIFT 28 749 #define MIPS_PWCTL_XK_MASK 0x10000000 750 #define MIPS_PWCTL_XS_SHIFT 27 751 #define MIPS_PWCTL_XS_MASK 0x08000000 752 #define MIPS_PWCTL_XU_SHIFT 26 753 #define MIPS_PWCTL_XU_MASK 0x04000000 754 #define MIPS_PWCTL_DPH_SHIFT 7 755 #define MIPS_PWCTL_DPH_MASK 0x00000080 756 #define MIPS_PWCTL_HUGEPG_SHIFT 6 757 #define MIPS_PWCTL_HUGEPG_MASK 0x00000060 758 #define MIPS_PWCTL_PSN_SHIFT 0 759 #define MIPS_PWCTL_PSN_MASK 0x0000003f 760 761 /* GuestCtl0 fields */ 762 #define MIPS_GCTL0_GM_SHIFT 31 763 #define MIPS_GCTL0_GM (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT) 764 #define MIPS_GCTL0_RI_SHIFT 30 765 #define MIPS_GCTL0_RI (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT) 766 #define MIPS_GCTL0_MC_SHIFT 29 767 #define MIPS_GCTL0_MC (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT) 768 #define MIPS_GCTL0_CP0_SHIFT 28 769 #define MIPS_GCTL0_CP0 (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT) 770 #define MIPS_GCTL0_AT_SHIFT 26 771 #define MIPS_GCTL0_AT (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT) 772 #define MIPS_GCTL0_GT_SHIFT 25 773 #define MIPS_GCTL0_GT (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT) 774 #define MIPS_GCTL0_CG_SHIFT 24 775 #define MIPS_GCTL0_CG (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT) 776 #define MIPS_GCTL0_CF_SHIFT 23 777 #define MIPS_GCTL0_CF (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT) 778 #define MIPS_GCTL0_G1_SHIFT 22 779 #define MIPS_GCTL0_G1 (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT) 780 #define MIPS_GCTL0_G0E_SHIFT 19 781 #define MIPS_GCTL0_G0E (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT) 782 #define MIPS_GCTL0_PT_SHIFT 18 783 #define MIPS_GCTL0_PT (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT) 784 #define MIPS_GCTL0_RAD_SHIFT 9 785 #define MIPS_GCTL0_RAD (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT) 786 #define MIPS_GCTL0_DRG_SHIFT 8 787 #define MIPS_GCTL0_DRG (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT) 788 #define MIPS_GCTL0_G2_SHIFT 7 789 #define MIPS_GCTL0_G2 (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT) 790 #define MIPS_GCTL0_GEXC_SHIFT 2 791 #define MIPS_GCTL0_GEXC (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT) 792 #define MIPS_GCTL0_SFC2_SHIFT 1 793 #define MIPS_GCTL0_SFC2 (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT) 794 #define MIPS_GCTL0_SFC1_SHIFT 0 795 #define MIPS_GCTL0_SFC1 (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT) 796 797 /* GuestCtl0.AT Guest address translation control */ 798 #define MIPS_GCTL0_AT_ROOT 1 /* Guest MMU under Root control */ 799 #define MIPS_GCTL0_AT_GUEST 3 /* Guest MMU under Guest control */ 800 801 /* GuestCtl0.GExcCode Hypervisor exception cause codes */ 802 #define MIPS_GCTL0_GEXC_GPSI 0 /* Guest Privileged Sensitive Instruction */ 803 #define MIPS_GCTL0_GEXC_GSFC 1 /* Guest Software Field Change */ 804 #define MIPS_GCTL0_GEXC_HC 2 /* Hypercall */ 805 #define MIPS_GCTL0_GEXC_GRR 3 /* Guest Reserved Instruction Redirect */ 806 #define MIPS_GCTL0_GEXC_GVA 8 /* Guest Virtual Address available */ 807 #define MIPS_GCTL0_GEXC_GHFC 9 /* Guest Hardware Field Change */ 808 #define MIPS_GCTL0_GEXC_GPA 10 /* Guest Physical Address available */ 809 810 /* GuestCtl0Ext fields */ 811 #define MIPS_GCTL0EXT_RPW_SHIFT 8 812 #define MIPS_GCTL0EXT_RPW (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT) 813 #define MIPS_GCTL0EXT_NCC_SHIFT 6 814 #define MIPS_GCTL0EXT_NCC (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT) 815 #define MIPS_GCTL0EXT_CGI_SHIFT 4 816 #define MIPS_GCTL0EXT_CGI (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT) 817 #define MIPS_GCTL0EXT_FCD_SHIFT 3 818 #define MIPS_GCTL0EXT_FCD (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT) 819 #define MIPS_GCTL0EXT_OG_SHIFT 2 820 #define MIPS_GCTL0EXT_OG (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT) 821 #define MIPS_GCTL0EXT_BG_SHIFT 1 822 #define MIPS_GCTL0EXT_BG (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT) 823 #define MIPS_GCTL0EXT_MG_SHIFT 0 824 #define MIPS_GCTL0EXT_MG (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT) 825 826 /* GuestCtl0Ext.RPW Root page walk configuration */ 827 #define MIPS_GCTL0EXT_RPW_BOTH 0 /* Root PW for GPA->RPA and RVA->RPA */ 828 #define MIPS_GCTL0EXT_RPW_GPA 2 /* Root PW for GPA->RPA */ 829 #define MIPS_GCTL0EXT_RPW_RVA 3 /* Root PW for RVA->RPA */ 830 831 /* GuestCtl0Ext.NCC Nested cache coherency attributes */ 832 #define MIPS_GCTL0EXT_NCC_IND 0 /* Guest CCA independent of Root CCA */ 833 #define MIPS_GCTL0EXT_NCC_MOD 1 /* Guest CCA modified by Root CCA */ 834 835 /* GuestCtl1 fields */ 836 #define MIPS_GCTL1_ID_SHIFT 0 837 #define MIPS_GCTL1_ID_WIDTH 8 838 #define MIPS_GCTL1_ID (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT) 839 #define MIPS_GCTL1_RID_SHIFT 16 840 #define MIPS_GCTL1_RID_WIDTH 8 841 #define MIPS_GCTL1_RID (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT) 842 #define MIPS_GCTL1_EID_SHIFT 24 843 #define MIPS_GCTL1_EID_WIDTH 8 844 #define MIPS_GCTL1_EID (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT) 845 846 /* GuestID reserved for root context */ 847 #define MIPS_GCTL1_ROOT_GUESTID 0 848 849 /* CDMMBase register bit definitions */ 850 #define MIPS_CDMMBASE_SIZE_SHIFT 0 851 #define MIPS_CDMMBASE_SIZE (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT) 852 #define MIPS_CDMMBASE_CI (_ULCAST_(1) << 9) 853 #define MIPS_CDMMBASE_EN (_ULCAST_(1) << 10) 854 #define MIPS_CDMMBASE_ADDR_SHIFT 11 855 #define MIPS_CDMMBASE_ADDR_START 15 856 857 /* RDHWR register numbers */ 858 #define MIPS_HWR_CPUNUM 0 /* CPU number */ 859 #define MIPS_HWR_SYNCISTEP 1 /* SYNCI step size */ 860 #define MIPS_HWR_CC 2 /* Cycle counter */ 861 #define MIPS_HWR_CCRES 3 /* Cycle counter resolution */ 862 #define MIPS_HWR_ULR 29 /* UserLocal */ 863 #define MIPS_HWR_IMPL1 30 /* Implementation dependent */ 864 #define MIPS_HWR_IMPL2 31 /* Implementation dependent */ 865 866 /* Bits in HWREna register */ 867 #define MIPS_HWRENA_CPUNUM (_ULCAST_(1) << MIPS_HWR_CPUNUM) 868 #define MIPS_HWRENA_SYNCISTEP (_ULCAST_(1) << MIPS_HWR_SYNCISTEP) 869 #define MIPS_HWRENA_CC (_ULCAST_(1) << MIPS_HWR_CC) 870 #define MIPS_HWRENA_CCRES (_ULCAST_(1) << MIPS_HWR_CCRES) 871 #define MIPS_HWRENA_ULR (_ULCAST_(1) << MIPS_HWR_ULR) 872 #define MIPS_HWRENA_IMPL1 (_ULCAST_(1) << MIPS_HWR_IMPL1) 873 #define MIPS_HWRENA_IMPL2 (_ULCAST_(1) << MIPS_HWR_IMPL2) 874 875 /* 876 * Bitfields in the TX39 family CP0 Configuration Register 3 877 */ 878 #define TX39_CONF_ICS_SHIFT 19 879 #define TX39_CONF_ICS_MASK 0x00380000 880 #define TX39_CONF_ICS_1KB 0x00000000 881 #define TX39_CONF_ICS_2KB 0x00080000 882 #define TX39_CONF_ICS_4KB 0x00100000 883 #define TX39_CONF_ICS_8KB 0x00180000 884 #define TX39_CONF_ICS_16KB 0x00200000 885 886 #define TX39_CONF_DCS_SHIFT 16 887 #define TX39_CONF_DCS_MASK 0x00070000 888 #define TX39_CONF_DCS_1KB 0x00000000 889 #define TX39_CONF_DCS_2KB 0x00010000 890 #define TX39_CONF_DCS_4KB 0x00020000 891 #define TX39_CONF_DCS_8KB 0x00030000 892 #define TX39_CONF_DCS_16KB 0x00040000 893 894 #define TX39_CONF_CWFON 0x00004000 895 #define TX39_CONF_WBON 0x00002000 896 #define TX39_CONF_RF_SHIFT 10 897 #define TX39_CONF_RF_MASK 0x00000c00 898 #define TX39_CONF_DOZE 0x00000200 899 #define TX39_CONF_HALT 0x00000100 900 #define TX39_CONF_LOCK 0x00000080 901 #define TX39_CONF_ICE 0x00000020 902 #define TX39_CONF_DCE 0x00000010 903 #define TX39_CONF_IRSIZE_SHIFT 2 904 #define TX39_CONF_IRSIZE_MASK 0x0000000c 905 #define TX39_CONF_DRSIZE_SHIFT 0 906 #define TX39_CONF_DRSIZE_MASK 0x00000003 907 908 /* 909 * Interesting Bits in the R10K CP0 Branch Diagnostic Register 910 */ 911 /* Disable Branch Target Address Cache */ 912 #define R10K_DIAG_D_BTAC (_ULCAST_(1) << 27) 913 /* Enable Branch Prediction Global History */ 914 #define R10K_DIAG_E_GHIST (_ULCAST_(1) << 26) 915 /* Disable Branch Return Cache */ 916 #define R10K_DIAG_D_BRC (_ULCAST_(1) << 22) 917 918 /* Flush ITLB */ 919 #define LOONGSON_DIAG_ITLB (_ULCAST_(1) << 2) 920 /* Flush DTLB */ 921 #define LOONGSON_DIAG_DTLB (_ULCAST_(1) << 3) 922 /* Flush VTLB */ 923 #define LOONGSON_DIAG_VTLB (_ULCAST_(1) << 12) 924 /* Flush FTLB */ 925 #define LOONGSON_DIAG_FTLB (_ULCAST_(1) << 13) 926 927 /* 928 * Coprocessor 1 (FPU) register names 929 */ 930 #define CP1_REVISION $0 931 #define CP1_UFR $1 932 #define CP1_UNFR $4 933 #define CP1_FCCR $25 934 #define CP1_FEXR $26 935 #define CP1_FENR $28 936 #define CP1_STATUS $31 937 938 939 /* 940 * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register. 941 */ 942 #define MIPS_FPIR_S (_ULCAST_(1) << 16) 943 #define MIPS_FPIR_D (_ULCAST_(1) << 17) 944 #define MIPS_FPIR_PS (_ULCAST_(1) << 18) 945 #define MIPS_FPIR_3D (_ULCAST_(1) << 19) 946 #define MIPS_FPIR_W (_ULCAST_(1) << 20) 947 #define MIPS_FPIR_L (_ULCAST_(1) << 21) 948 #define MIPS_FPIR_F64 (_ULCAST_(1) << 22) 949 #define MIPS_FPIR_HAS2008 (_ULCAST_(1) << 23) 950 #define MIPS_FPIR_UFRP (_ULCAST_(1) << 28) 951 #define MIPS_FPIR_FREP (_ULCAST_(1) << 29) 952 953 /* 954 * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register. 955 */ 956 #define MIPS_FCCR_CONDX_S 0 957 #define MIPS_FCCR_CONDX (_ULCAST_(255) << MIPS_FCCR_CONDX_S) 958 #define MIPS_FCCR_COND0_S 0 959 #define MIPS_FCCR_COND0 (_ULCAST_(1) << MIPS_FCCR_COND0_S) 960 #define MIPS_FCCR_COND1_S 1 961 #define MIPS_FCCR_COND1 (_ULCAST_(1) << MIPS_FCCR_COND1_S) 962 #define MIPS_FCCR_COND2_S 2 963 #define MIPS_FCCR_COND2 (_ULCAST_(1) << MIPS_FCCR_COND2_S) 964 #define MIPS_FCCR_COND3_S 3 965 #define MIPS_FCCR_COND3 (_ULCAST_(1) << MIPS_FCCR_COND3_S) 966 #define MIPS_FCCR_COND4_S 4 967 #define MIPS_FCCR_COND4 (_ULCAST_(1) << MIPS_FCCR_COND4_S) 968 #define MIPS_FCCR_COND5_S 5 969 #define MIPS_FCCR_COND5 (_ULCAST_(1) << MIPS_FCCR_COND5_S) 970 #define MIPS_FCCR_COND6_S 6 971 #define MIPS_FCCR_COND6 (_ULCAST_(1) << MIPS_FCCR_COND6_S) 972 #define MIPS_FCCR_COND7_S 7 973 #define MIPS_FCCR_COND7 (_ULCAST_(1) << MIPS_FCCR_COND7_S) 974 975 /* 976 * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register. 977 */ 978 #define MIPS_FENR_FS_S 2 979 #define MIPS_FENR_FS (_ULCAST_(1) << MIPS_FENR_FS_S) 980 981 /* 982 * FPU Status Register Values 983 */ 984 #define FPU_CSR_COND_S 23 /* $fcc0 */ 985 #define FPU_CSR_COND (_ULCAST_(1) << FPU_CSR_COND_S) 986 987 #define FPU_CSR_FS_S 24 /* flush denormalised results to 0 */ 988 #define FPU_CSR_FS (_ULCAST_(1) << FPU_CSR_FS_S) 989 990 #define FPU_CSR_CONDX_S 25 /* $fcc[7:1] */ 991 #define FPU_CSR_CONDX (_ULCAST_(127) << FPU_CSR_CONDX_S) 992 #define FPU_CSR_COND1_S 25 /* $fcc1 */ 993 #define FPU_CSR_COND1 (_ULCAST_(1) << FPU_CSR_COND1_S) 994 #define FPU_CSR_COND2_S 26 /* $fcc2 */ 995 #define FPU_CSR_COND2 (_ULCAST_(1) << FPU_CSR_COND2_S) 996 #define FPU_CSR_COND3_S 27 /* $fcc3 */ 997 #define FPU_CSR_COND3 (_ULCAST_(1) << FPU_CSR_COND3_S) 998 #define FPU_CSR_COND4_S 28 /* $fcc4 */ 999 #define FPU_CSR_COND4 (_ULCAST_(1) << FPU_CSR_COND4_S) 1000 #define FPU_CSR_COND5_S 29 /* $fcc5 */ 1001 #define FPU_CSR_COND5 (_ULCAST_(1) << FPU_CSR_COND5_S) 1002 #define FPU_CSR_COND6_S 30 /* $fcc6 */ 1003 #define FPU_CSR_COND6 (_ULCAST_(1) << FPU_CSR_COND6_S) 1004 #define FPU_CSR_COND7_S 31 /* $fcc7 */ 1005 #define FPU_CSR_COND7 (_ULCAST_(1) << FPU_CSR_COND7_S) 1006 1007 /* 1008 * Bits 22:20 of the FPU Status Register will be read as 0, 1009 * and should be written as zero. 1010 */ 1011 #define FPU_CSR_RSVD (_ULCAST_(7) << 20) 1012 1013 #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19) 1014 #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18) 1015 1016 /* 1017 * X the exception cause indicator 1018 * E the exception enable 1019 * S the sticky/flag bit 1020 */ 1021 #define FPU_CSR_ALL_X 0x0003f000 1022 #define FPU_CSR_UNI_X 0x00020000 1023 #define FPU_CSR_INV_X 0x00010000 1024 #define FPU_CSR_DIV_X 0x00008000 1025 #define FPU_CSR_OVF_X 0x00004000 1026 #define FPU_CSR_UDF_X 0x00002000 1027 #define FPU_CSR_INE_X 0x00001000 1028 1029 #define FPU_CSR_ALL_E 0x00000f80 1030 #define FPU_CSR_INV_E 0x00000800 1031 #define FPU_CSR_DIV_E 0x00000400 1032 #define FPU_CSR_OVF_E 0x00000200 1033 #define FPU_CSR_UDF_E 0x00000100 1034 #define FPU_CSR_INE_E 0x00000080 1035 1036 #define FPU_CSR_ALL_S 0x0000007c 1037 #define FPU_CSR_INV_S 0x00000040 1038 #define FPU_CSR_DIV_S 0x00000020 1039 #define FPU_CSR_OVF_S 0x00000010 1040 #define FPU_CSR_UDF_S 0x00000008 1041 #define FPU_CSR_INE_S 0x00000004 1042 1043 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */ 1044 #define FPU_CSR_RM 0x00000003 1045 #define FPU_CSR_RN 0x0 /* nearest */ 1046 #define FPU_CSR_RZ 0x1 /* towards zero */ 1047 #define FPU_CSR_RU 0x2 /* towards +Infinity */ 1048 #define FPU_CSR_RD 0x3 /* towards -Infinity */ 1049 1050 1051 #ifndef __ASSEMBLY__ 1052 1053 /* 1054 * Macros for handling the ISA mode bit for MIPS16 and microMIPS. 1055 */ 1056 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \ 1057 defined(CONFIG_SYS_SUPPORTS_MICROMIPS) 1058 #define get_isa16_mode(x) ((x) & 0x1) 1059 #define msk_isa16_mode(x) ((x) & ~0x1) 1060 #define set_isa16_mode(x) do { (x) |= 0x1; } while(0) 1061 #else 1062 #define get_isa16_mode(x) 0 1063 #define msk_isa16_mode(x) (x) 1064 #define set_isa16_mode(x) do { } while(0) 1065 #endif 1066 1067 /* 1068 * microMIPS instructions can be 16-bit or 32-bit in length. This 1069 * returns a 1 if the instruction is 16-bit and a 0 if 32-bit. 1070 */ 1071 static inline int mm_insn_16bit(u16 insn) 1072 { 1073 u16 opcode = (insn >> 10) & 0x7; 1074 1075 return (opcode >= 1 && opcode <= 3) ? 1 : 0; 1076 } 1077 1078 /* 1079 * Helper macros for generating raw instruction encodings in inline asm. 1080 */ 1081 #ifdef CONFIG_CPU_MICROMIPS 1082 #define _ASM_INSN16_IF_MM(_enc) \ 1083 ".insn\n\t" \ 1084 ".hword (" #_enc ")\n\t" 1085 #define _ASM_INSN32_IF_MM(_enc) \ 1086 ".insn\n\t" \ 1087 ".hword ((" #_enc ") >> 16)\n\t" \ 1088 ".hword ((" #_enc ") & 0xffff)\n\t" 1089 #else 1090 #define _ASM_INSN_IF_MIPS(_enc) \ 1091 ".insn\n\t" \ 1092 ".word (" #_enc ")\n\t" 1093 #endif 1094 1095 #ifndef _ASM_INSN16_IF_MM 1096 #define _ASM_INSN16_IF_MM(_enc) 1097 #endif 1098 #ifndef _ASM_INSN32_IF_MM 1099 #define _ASM_INSN32_IF_MM(_enc) 1100 #endif 1101 #ifndef _ASM_INSN_IF_MIPS 1102 #define _ASM_INSN_IF_MIPS(_enc) 1103 #endif 1104 1105 /* 1106 * TLB Invalidate Flush 1107 */ 1108 static inline void tlbinvf(void) 1109 { 1110 __asm__ __volatile__( 1111 ".set push\n\t" 1112 ".set noreorder\n\t" 1113 "# tlbinvf\n\t" 1114 _ASM_INSN_IF_MIPS(0x42000004) 1115 _ASM_INSN32_IF_MM(0x0000537c) 1116 ".set pop"); 1117 } 1118 1119 1120 /* 1121 * Functions to access the R10000 performance counters. These are basically 1122 * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit 1123 * performance counter number encoded into bits 1 ... 5 of the instruction. 1124 * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware 1125 * disassembler these will look like an access to sel 0 or 1. 1126 */ 1127 #define read_r10k_perf_cntr(counter) \ 1128 ({ \ 1129 unsigned int __res; \ 1130 __asm__ __volatile__( \ 1131 "mfpc\t%0, %1" \ 1132 : "=r" (__res) \ 1133 : "i" (counter)); \ 1134 \ 1135 __res; \ 1136 }) 1137 1138 #define write_r10k_perf_cntr(counter,val) \ 1139 do { \ 1140 __asm__ __volatile__( \ 1141 "mtpc\t%0, %1" \ 1142 : \ 1143 : "r" (val), "i" (counter)); \ 1144 } while (0) 1145 1146 #define read_r10k_perf_event(counter) \ 1147 ({ \ 1148 unsigned int __res; \ 1149 __asm__ __volatile__( \ 1150 "mfps\t%0, %1" \ 1151 : "=r" (__res) \ 1152 : "i" (counter)); \ 1153 \ 1154 __res; \ 1155 }) 1156 1157 #define write_r10k_perf_cntl(counter,val) \ 1158 do { \ 1159 __asm__ __volatile__( \ 1160 "mtps\t%0, %1" \ 1161 : \ 1162 : "r" (val), "i" (counter)); \ 1163 } while (0) 1164 1165 1166 /* 1167 * Macros to access the system control coprocessor 1168 */ 1169 1170 #define __read_32bit_c0_register(source, sel) \ 1171 ({ unsigned int __res; \ 1172 if (sel == 0) \ 1173 __asm__ __volatile__( \ 1174 "mfc0\t%0, " #source "\n\t" \ 1175 : "=r" (__res)); \ 1176 else \ 1177 __asm__ __volatile__( \ 1178 ".set\tmips32\n\t" \ 1179 "mfc0\t%0, " #source ", " #sel "\n\t" \ 1180 ".set\tmips0\n\t" \ 1181 : "=r" (__res)); \ 1182 __res; \ 1183 }) 1184 1185 #define __read_64bit_c0_register(source, sel) \ 1186 ({ unsigned long long __res; \ 1187 if (sizeof(unsigned long) == 4) \ 1188 __res = __read_64bit_c0_split(source, sel); \ 1189 else if (sel == 0) \ 1190 __asm__ __volatile__( \ 1191 ".set\tmips3\n\t" \ 1192 "dmfc0\t%0, " #source "\n\t" \ 1193 ".set\tmips0" \ 1194 : "=r" (__res)); \ 1195 else \ 1196 __asm__ __volatile__( \ 1197 ".set\tmips64\n\t" \ 1198 "dmfc0\t%0, " #source ", " #sel "\n\t" \ 1199 ".set\tmips0" \ 1200 : "=r" (__res)); \ 1201 __res; \ 1202 }) 1203 1204 #define __write_32bit_c0_register(register, sel, value) \ 1205 do { \ 1206 if (sel == 0) \ 1207 __asm__ __volatile__( \ 1208 "mtc0\t%z0, " #register "\n\t" \ 1209 : : "Jr" ((unsigned int)(value))); \ 1210 else \ 1211 __asm__ __volatile__( \ 1212 ".set\tmips32\n\t" \ 1213 "mtc0\t%z0, " #register ", " #sel "\n\t" \ 1214 ".set\tmips0" \ 1215 : : "Jr" ((unsigned int)(value))); \ 1216 } while (0) 1217 1218 #define __write_64bit_c0_register(register, sel, value) \ 1219 do { \ 1220 if (sizeof(unsigned long) == 4) \ 1221 __write_64bit_c0_split(register, sel, value); \ 1222 else if (sel == 0) \ 1223 __asm__ __volatile__( \ 1224 ".set\tmips3\n\t" \ 1225 "dmtc0\t%z0, " #register "\n\t" \ 1226 ".set\tmips0" \ 1227 : : "Jr" (value)); \ 1228 else \ 1229 __asm__ __volatile__( \ 1230 ".set\tmips64\n\t" \ 1231 "dmtc0\t%z0, " #register ", " #sel "\n\t" \ 1232 ".set\tmips0" \ 1233 : : "Jr" (value)); \ 1234 } while (0) 1235 1236 #define __read_ulong_c0_register(reg, sel) \ 1237 ((sizeof(unsigned long) == 4) ? \ 1238 (unsigned long) __read_32bit_c0_register(reg, sel) : \ 1239 (unsigned long) __read_64bit_c0_register(reg, sel)) 1240 1241 #define __write_ulong_c0_register(reg, sel, val) \ 1242 do { \ 1243 if (sizeof(unsigned long) == 4) \ 1244 __write_32bit_c0_register(reg, sel, val); \ 1245 else \ 1246 __write_64bit_c0_register(reg, sel, val); \ 1247 } while (0) 1248 1249 /* 1250 * On RM7000/RM9000 these are uses to access cop0 set 1 registers 1251 */ 1252 #define __read_32bit_c0_ctrl_register(source) \ 1253 ({ unsigned int __res; \ 1254 __asm__ __volatile__( \ 1255 "cfc0\t%0, " #source "\n\t" \ 1256 : "=r" (__res)); \ 1257 __res; \ 1258 }) 1259 1260 #define __write_32bit_c0_ctrl_register(register, value) \ 1261 do { \ 1262 __asm__ __volatile__( \ 1263 "ctc0\t%z0, " #register "\n\t" \ 1264 : : "Jr" ((unsigned int)(value))); \ 1265 } while (0) 1266 1267 /* 1268 * These versions are only needed for systems with more than 38 bits of 1269 * physical address space running the 32-bit kernel. That's none atm :-) 1270 */ 1271 #define __read_64bit_c0_split(source, sel) \ 1272 ({ \ 1273 unsigned long long __val; \ 1274 unsigned long __flags; \ 1275 \ 1276 local_irq_save(__flags); \ 1277 if (sel == 0) \ 1278 __asm__ __volatile__( \ 1279 ".set\tmips64\n\t" \ 1280 "dmfc0\t%M0, " #source "\n\t" \ 1281 "dsll\t%L0, %M0, 32\n\t" \ 1282 "dsra\t%M0, %M0, 32\n\t" \ 1283 "dsra\t%L0, %L0, 32\n\t" \ 1284 ".set\tmips0" \ 1285 : "=r" (__val)); \ 1286 else \ 1287 __asm__ __volatile__( \ 1288 ".set\tmips64\n\t" \ 1289 "dmfc0\t%M0, " #source ", " #sel "\n\t" \ 1290 "dsll\t%L0, %M0, 32\n\t" \ 1291 "dsra\t%M0, %M0, 32\n\t" \ 1292 "dsra\t%L0, %L0, 32\n\t" \ 1293 ".set\tmips0" \ 1294 : "=r" (__val)); \ 1295 local_irq_restore(__flags); \ 1296 \ 1297 __val; \ 1298 }) 1299 1300 #define __write_64bit_c0_split(source, sel, val) \ 1301 do { \ 1302 unsigned long __flags; \ 1303 \ 1304 local_irq_save(__flags); \ 1305 if (sel == 0) \ 1306 __asm__ __volatile__( \ 1307 ".set\tmips64\n\t" \ 1308 "dsll\t%L0, %L0, 32\n\t" \ 1309 "dsrl\t%L0, %L0, 32\n\t" \ 1310 "dsll\t%M0, %M0, 32\n\t" \ 1311 "or\t%L0, %L0, %M0\n\t" \ 1312 "dmtc0\t%L0, " #source "\n\t" \ 1313 ".set\tmips0" \ 1314 : : "r" (val)); \ 1315 else \ 1316 __asm__ __volatile__( \ 1317 ".set\tmips64\n\t" \ 1318 "dsll\t%L0, %L0, 32\n\t" \ 1319 "dsrl\t%L0, %L0, 32\n\t" \ 1320 "dsll\t%M0, %M0, 32\n\t" \ 1321 "or\t%L0, %L0, %M0\n\t" \ 1322 "dmtc0\t%L0, " #source ", " #sel "\n\t" \ 1323 ".set\tmips0" \ 1324 : : "r" (val)); \ 1325 local_irq_restore(__flags); \ 1326 } while (0) 1327 1328 #define __readx_32bit_c0_register(source) \ 1329 ({ \ 1330 unsigned int __res; \ 1331 \ 1332 __asm__ __volatile__( \ 1333 " .set push \n" \ 1334 " .set noat \n" \ 1335 " .set mips32r2 \n" \ 1336 " # mfhc0 $1, %1 \n" \ 1337 _ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11)) \ 1338 _ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16)) \ 1339 " move %0, $1 \n" \ 1340 " .set pop \n" \ 1341 : "=r" (__res) \ 1342 : "i" (source)); \ 1343 __res; \ 1344 }) 1345 1346 #define __writex_32bit_c0_register(register, value) \ 1347 do { \ 1348 __asm__ __volatile__( \ 1349 " .set push \n" \ 1350 " .set noat \n" \ 1351 " .set mips32r2 \n" \ 1352 " move $1, %0 \n" \ 1353 " # mthc0 $1, %1 \n" \ 1354 _ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11)) \ 1355 _ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16)) \ 1356 " .set pop \n" \ 1357 : \ 1358 : "r" (value), "i" (register)); \ 1359 } while (0) 1360 1361 #define read_c0_index() __read_32bit_c0_register($0, 0) 1362 #define write_c0_index(val) __write_32bit_c0_register($0, 0, val) 1363 1364 #define read_c0_random() __read_32bit_c0_register($1, 0) 1365 #define write_c0_random(val) __write_32bit_c0_register($1, 0, val) 1366 1367 #define read_c0_entrylo0() __read_ulong_c0_register($2, 0) 1368 #define write_c0_entrylo0(val) __write_ulong_c0_register($2, 0, val) 1369 1370 #define readx_c0_entrylo0() __readx_32bit_c0_register(2) 1371 #define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val) 1372 1373 #define read_c0_entrylo1() __read_ulong_c0_register($3, 0) 1374 #define write_c0_entrylo1(val) __write_ulong_c0_register($3, 0, val) 1375 1376 #define readx_c0_entrylo1() __readx_32bit_c0_register(3) 1377 #define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val) 1378 1379 #define read_c0_conf() __read_32bit_c0_register($3, 0) 1380 #define write_c0_conf(val) __write_32bit_c0_register($3, 0, val) 1381 1382 #define read_c0_context() __read_ulong_c0_register($4, 0) 1383 #define write_c0_context(val) __write_ulong_c0_register($4, 0, val) 1384 1385 #define read_c0_contextconfig() __read_32bit_c0_register($4, 1) 1386 #define write_c0_contextconfig(val) __write_32bit_c0_register($4, 1, val) 1387 1388 #define read_c0_userlocal() __read_ulong_c0_register($4, 2) 1389 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val) 1390 1391 #define read_c0_xcontextconfig() __read_ulong_c0_register($4, 3) 1392 #define write_c0_xcontextconfig(val) __write_ulong_c0_register($4, 3, val) 1393 1394 #define read_c0_pagemask() __read_32bit_c0_register($5, 0) 1395 #define write_c0_pagemask(val) __write_32bit_c0_register($5, 0, val) 1396 1397 #define read_c0_pagegrain() __read_32bit_c0_register($5, 1) 1398 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val) 1399 1400 #define read_c0_wired() __read_32bit_c0_register($6, 0) 1401 #define write_c0_wired(val) __write_32bit_c0_register($6, 0, val) 1402 1403 #define read_c0_info() __read_32bit_c0_register($7, 0) 1404 1405 #define read_c0_cache() __read_32bit_c0_register($7, 0) /* TX39xx */ 1406 #define write_c0_cache(val) __write_32bit_c0_register($7, 0, val) 1407 1408 #define read_c0_badvaddr() __read_ulong_c0_register($8, 0) 1409 #define write_c0_badvaddr(val) __write_ulong_c0_register($8, 0, val) 1410 1411 #define read_c0_badinstr() __read_32bit_c0_register($8, 1) 1412 #define read_c0_badinstrp() __read_32bit_c0_register($8, 2) 1413 1414 #define read_c0_count() __read_32bit_c0_register($9, 0) 1415 #define write_c0_count(val) __write_32bit_c0_register($9, 0, val) 1416 1417 #define read_c0_count2() __read_32bit_c0_register($9, 6) /* pnx8550 */ 1418 #define write_c0_count2(val) __write_32bit_c0_register($9, 6, val) 1419 1420 #define read_c0_count3() __read_32bit_c0_register($9, 7) /* pnx8550 */ 1421 #define write_c0_count3(val) __write_32bit_c0_register($9, 7, val) 1422 1423 #define read_c0_entryhi() __read_ulong_c0_register($10, 0) 1424 #define write_c0_entryhi(val) __write_ulong_c0_register($10, 0, val) 1425 1426 #define read_c0_guestctl1() __read_32bit_c0_register($10, 4) 1427 #define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val) 1428 1429 #define read_c0_guestctl2() __read_32bit_c0_register($10, 5) 1430 #define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val) 1431 1432 #define read_c0_guestctl3() __read_32bit_c0_register($10, 6) 1433 #define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val) 1434 1435 #define read_c0_compare() __read_32bit_c0_register($11, 0) 1436 #define write_c0_compare(val) __write_32bit_c0_register($11, 0, val) 1437 1438 #define read_c0_guestctl0ext() __read_32bit_c0_register($11, 4) 1439 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val) 1440 1441 #define read_c0_compare2() __read_32bit_c0_register($11, 6) /* pnx8550 */ 1442 #define write_c0_compare2(val) __write_32bit_c0_register($11, 6, val) 1443 1444 #define read_c0_compare3() __read_32bit_c0_register($11, 7) /* pnx8550 */ 1445 #define write_c0_compare3(val) __write_32bit_c0_register($11, 7, val) 1446 1447 #define read_c0_status() __read_32bit_c0_register($12, 0) 1448 1449 #define write_c0_status(val) __write_32bit_c0_register($12, 0, val) 1450 1451 #define read_c0_guestctl0() __read_32bit_c0_register($12, 6) 1452 #define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val) 1453 1454 #define read_c0_gtoffset() __read_32bit_c0_register($12, 7) 1455 #define write_c0_gtoffset(val) __write_32bit_c0_register($12, 7, val) 1456 1457 #define read_c0_cause() __read_32bit_c0_register($13, 0) 1458 #define write_c0_cause(val) __write_32bit_c0_register($13, 0, val) 1459 1460 #define read_c0_epc() __read_ulong_c0_register($14, 0) 1461 #define write_c0_epc(val) __write_ulong_c0_register($14, 0, val) 1462 1463 #define read_c0_prid() __read_32bit_c0_register($15, 0) 1464 1465 #define read_c0_cmgcrbase() __read_ulong_c0_register($15, 3) 1466 1467 #define read_c0_config() __read_32bit_c0_register($16, 0) 1468 #define read_c0_config1() __read_32bit_c0_register($16, 1) 1469 #define read_c0_config2() __read_32bit_c0_register($16, 2) 1470 #define read_c0_config3() __read_32bit_c0_register($16, 3) 1471 #define read_c0_config4() __read_32bit_c0_register($16, 4) 1472 #define read_c0_config5() __read_32bit_c0_register($16, 5) 1473 #define read_c0_config6() __read_32bit_c0_register($16, 6) 1474 #define read_c0_config7() __read_32bit_c0_register($16, 7) 1475 #define write_c0_config(val) __write_32bit_c0_register($16, 0, val) 1476 #define write_c0_config1(val) __write_32bit_c0_register($16, 1, val) 1477 #define write_c0_config2(val) __write_32bit_c0_register($16, 2, val) 1478 #define write_c0_config3(val) __write_32bit_c0_register($16, 3, val) 1479 #define write_c0_config4(val) __write_32bit_c0_register($16, 4, val) 1480 #define write_c0_config5(val) __write_32bit_c0_register($16, 5, val) 1481 #define write_c0_config6(val) __write_32bit_c0_register($16, 6, val) 1482 #define write_c0_config7(val) __write_32bit_c0_register($16, 7, val) 1483 1484 #define read_c0_lladdr() __read_ulong_c0_register($17, 0) 1485 #define write_c0_lladdr(val) __write_ulong_c0_register($17, 0, val) 1486 #define read_c0_maar() __read_ulong_c0_register($17, 1) 1487 #define write_c0_maar(val) __write_ulong_c0_register($17, 1, val) 1488 #define read_c0_maari() __read_32bit_c0_register($17, 2) 1489 #define write_c0_maari(val) __write_32bit_c0_register($17, 2, val) 1490 1491 /* 1492 * The WatchLo register. There may be up to 8 of them. 1493 */ 1494 #define read_c0_watchlo0() __read_ulong_c0_register($18, 0) 1495 #define read_c0_watchlo1() __read_ulong_c0_register($18, 1) 1496 #define read_c0_watchlo2() __read_ulong_c0_register($18, 2) 1497 #define read_c0_watchlo3() __read_ulong_c0_register($18, 3) 1498 #define read_c0_watchlo4() __read_ulong_c0_register($18, 4) 1499 #define read_c0_watchlo5() __read_ulong_c0_register($18, 5) 1500 #define read_c0_watchlo6() __read_ulong_c0_register($18, 6) 1501 #define read_c0_watchlo7() __read_ulong_c0_register($18, 7) 1502 #define write_c0_watchlo0(val) __write_ulong_c0_register($18, 0, val) 1503 #define write_c0_watchlo1(val) __write_ulong_c0_register($18, 1, val) 1504 #define write_c0_watchlo2(val) __write_ulong_c0_register($18, 2, val) 1505 #define write_c0_watchlo3(val) __write_ulong_c0_register($18, 3, val) 1506 #define write_c0_watchlo4(val) __write_ulong_c0_register($18, 4, val) 1507 #define write_c0_watchlo5(val) __write_ulong_c0_register($18, 5, val) 1508 #define write_c0_watchlo6(val) __write_ulong_c0_register($18, 6, val) 1509 #define write_c0_watchlo7(val) __write_ulong_c0_register($18, 7, val) 1510 1511 /* 1512 * The WatchHi register. There may be up to 8 of them. 1513 */ 1514 #define read_c0_watchhi0() __read_32bit_c0_register($19, 0) 1515 #define read_c0_watchhi1() __read_32bit_c0_register($19, 1) 1516 #define read_c0_watchhi2() __read_32bit_c0_register($19, 2) 1517 #define read_c0_watchhi3() __read_32bit_c0_register($19, 3) 1518 #define read_c0_watchhi4() __read_32bit_c0_register($19, 4) 1519 #define read_c0_watchhi5() __read_32bit_c0_register($19, 5) 1520 #define read_c0_watchhi6() __read_32bit_c0_register($19, 6) 1521 #define read_c0_watchhi7() __read_32bit_c0_register($19, 7) 1522 1523 #define write_c0_watchhi0(val) __write_32bit_c0_register($19, 0, val) 1524 #define write_c0_watchhi1(val) __write_32bit_c0_register($19, 1, val) 1525 #define write_c0_watchhi2(val) __write_32bit_c0_register($19, 2, val) 1526 #define write_c0_watchhi3(val) __write_32bit_c0_register($19, 3, val) 1527 #define write_c0_watchhi4(val) __write_32bit_c0_register($19, 4, val) 1528 #define write_c0_watchhi5(val) __write_32bit_c0_register($19, 5, val) 1529 #define write_c0_watchhi6(val) __write_32bit_c0_register($19, 6, val) 1530 #define write_c0_watchhi7(val) __write_32bit_c0_register($19, 7, val) 1531 1532 #define read_c0_xcontext() __read_ulong_c0_register($20, 0) 1533 #define write_c0_xcontext(val) __write_ulong_c0_register($20, 0, val) 1534 1535 #define read_c0_intcontrol() __read_32bit_c0_ctrl_register($20) 1536 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val) 1537 1538 #define read_c0_framemask() __read_32bit_c0_register($21, 0) 1539 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val) 1540 1541 #define read_c0_diag() __read_32bit_c0_register($22, 0) 1542 #define write_c0_diag(val) __write_32bit_c0_register($22, 0, val) 1543 1544 /* R10K CP0 Branch Diagnostic register is 64bits wide */ 1545 #define read_c0_r10k_diag() __read_64bit_c0_register($22, 0) 1546 #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val) 1547 1548 #define read_c0_diag1() __read_32bit_c0_register($22, 1) 1549 #define write_c0_diag1(val) __write_32bit_c0_register($22, 1, val) 1550 1551 #define read_c0_diag2() __read_32bit_c0_register($22, 2) 1552 #define write_c0_diag2(val) __write_32bit_c0_register($22, 2, val) 1553 1554 #define read_c0_diag3() __read_32bit_c0_register($22, 3) 1555 #define write_c0_diag3(val) __write_32bit_c0_register($22, 3, val) 1556 1557 #define read_c0_diag4() __read_32bit_c0_register($22, 4) 1558 #define write_c0_diag4(val) __write_32bit_c0_register($22, 4, val) 1559 1560 #define read_c0_diag5() __read_32bit_c0_register($22, 5) 1561 #define write_c0_diag5(val) __write_32bit_c0_register($22, 5, val) 1562 1563 #define read_c0_debug() __read_32bit_c0_register($23, 0) 1564 #define write_c0_debug(val) __write_32bit_c0_register($23, 0, val) 1565 1566 #define read_c0_depc() __read_ulong_c0_register($24, 0) 1567 #define write_c0_depc(val) __write_ulong_c0_register($24, 0, val) 1568 1569 /* 1570 * MIPS32 / MIPS64 performance counters 1571 */ 1572 #define read_c0_perfctrl0() __read_32bit_c0_register($25, 0) 1573 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val) 1574 #define read_c0_perfcntr0() __read_32bit_c0_register($25, 1) 1575 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val) 1576 #define read_c0_perfcntr0_64() __read_64bit_c0_register($25, 1) 1577 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val) 1578 #define read_c0_perfctrl1() __read_32bit_c0_register($25, 2) 1579 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val) 1580 #define read_c0_perfcntr1() __read_32bit_c0_register($25, 3) 1581 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val) 1582 #define read_c0_perfcntr1_64() __read_64bit_c0_register($25, 3) 1583 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val) 1584 #define read_c0_perfctrl2() __read_32bit_c0_register($25, 4) 1585 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val) 1586 #define read_c0_perfcntr2() __read_32bit_c0_register($25, 5) 1587 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val) 1588 #define read_c0_perfcntr2_64() __read_64bit_c0_register($25, 5) 1589 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val) 1590 #define read_c0_perfctrl3() __read_32bit_c0_register($25, 6) 1591 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val) 1592 #define read_c0_perfcntr3() __read_32bit_c0_register($25, 7) 1593 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val) 1594 #define read_c0_perfcntr3_64() __read_64bit_c0_register($25, 7) 1595 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val) 1596 1597 #define read_c0_ecc() __read_32bit_c0_register($26, 0) 1598 #define write_c0_ecc(val) __write_32bit_c0_register($26, 0, val) 1599 1600 #define read_c0_derraddr0() __read_ulong_c0_register($26, 1) 1601 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val) 1602 1603 #define read_c0_cacheerr() __read_32bit_c0_register($27, 0) 1604 1605 #define read_c0_derraddr1() __read_ulong_c0_register($27, 1) 1606 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val) 1607 1608 #define read_c0_taglo() __read_32bit_c0_register($28, 0) 1609 #define write_c0_taglo(val) __write_32bit_c0_register($28, 0, val) 1610 1611 #define read_c0_dtaglo() __read_32bit_c0_register($28, 2) 1612 #define write_c0_dtaglo(val) __write_32bit_c0_register($28, 2, val) 1613 1614 #define read_c0_ddatalo() __read_32bit_c0_register($28, 3) 1615 #define write_c0_ddatalo(val) __write_32bit_c0_register($28, 3, val) 1616 1617 #define read_c0_staglo() __read_32bit_c0_register($28, 4) 1618 #define write_c0_staglo(val) __write_32bit_c0_register($28, 4, val) 1619 1620 #define read_c0_taghi() __read_32bit_c0_register($29, 0) 1621 #define write_c0_taghi(val) __write_32bit_c0_register($29, 0, val) 1622 1623 #define read_c0_errorepc() __read_ulong_c0_register($30, 0) 1624 #define write_c0_errorepc(val) __write_ulong_c0_register($30, 0, val) 1625 1626 /* MIPSR2 */ 1627 #define read_c0_hwrena() __read_32bit_c0_register($7, 0) 1628 #define write_c0_hwrena(val) __write_32bit_c0_register($7, 0, val) 1629 1630 #define read_c0_intctl() __read_32bit_c0_register($12, 1) 1631 #define write_c0_intctl(val) __write_32bit_c0_register($12, 1, val) 1632 1633 #define read_c0_srsctl() __read_32bit_c0_register($12, 2) 1634 #define write_c0_srsctl(val) __write_32bit_c0_register($12, 2, val) 1635 1636 #define read_c0_srsmap() __read_32bit_c0_register($12, 3) 1637 #define write_c0_srsmap(val) __write_32bit_c0_register($12, 3, val) 1638 1639 #define read_c0_ebase() __read_32bit_c0_register($15, 1) 1640 #define write_c0_ebase(val) __write_32bit_c0_register($15, 1, val) 1641 1642 #define read_c0_ebase_64() __read_64bit_c0_register($15, 1) 1643 #define write_c0_ebase_64(val) __write_64bit_c0_register($15, 1, val) 1644 1645 #define read_c0_cdmmbase() __read_ulong_c0_register($15, 2) 1646 #define write_c0_cdmmbase(val) __write_ulong_c0_register($15, 2, val) 1647 1648 /* MIPSR3 */ 1649 #define read_c0_segctl0() __read_32bit_c0_register($5, 2) 1650 #define write_c0_segctl0(val) __write_32bit_c0_register($5, 2, val) 1651 1652 #define read_c0_segctl1() __read_32bit_c0_register($5, 3) 1653 #define write_c0_segctl1(val) __write_32bit_c0_register($5, 3, val) 1654 1655 #define read_c0_segctl2() __read_32bit_c0_register($5, 4) 1656 #define write_c0_segctl2(val) __write_32bit_c0_register($5, 4, val) 1657 1658 /* Hardware Page Table Walker */ 1659 #define read_c0_pwbase() __read_ulong_c0_register($5, 5) 1660 #define write_c0_pwbase(val) __write_ulong_c0_register($5, 5, val) 1661 1662 #define read_c0_pwfield() __read_ulong_c0_register($5, 6) 1663 #define write_c0_pwfield(val) __write_ulong_c0_register($5, 6, val) 1664 1665 #define read_c0_pwsize() __read_ulong_c0_register($5, 7) 1666 #define write_c0_pwsize(val) __write_ulong_c0_register($5, 7, val) 1667 1668 #define read_c0_pwctl() __read_32bit_c0_register($6, 6) 1669 #define write_c0_pwctl(val) __write_32bit_c0_register($6, 6, val) 1670 1671 #define read_c0_pgd() __read_64bit_c0_register($9, 7) 1672 #define write_c0_pgd(val) __write_64bit_c0_register($9, 7, val) 1673 1674 #define read_c0_kpgd() __read_64bit_c0_register($31, 7) 1675 #define write_c0_kpgd(val) __write_64bit_c0_register($31, 7, val) 1676 1677 /* Cavium OCTEON (cnMIPS) */ 1678 #define read_c0_cvmcount() __read_ulong_c0_register($9, 6) 1679 #define write_c0_cvmcount(val) __write_ulong_c0_register($9, 6, val) 1680 1681 #define read_c0_cvmctl() __read_64bit_c0_register($9, 7) 1682 #define write_c0_cvmctl(val) __write_64bit_c0_register($9, 7, val) 1683 1684 #define read_c0_cvmmemctl() __read_64bit_c0_register($11, 7) 1685 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val) 1686 /* 1687 * The cacheerr registers are not standardized. On OCTEON, they are 1688 * 64 bits wide. 1689 */ 1690 #define read_octeon_c0_icacheerr() __read_64bit_c0_register($27, 0) 1691 #define write_octeon_c0_icacheerr(val) __write_64bit_c0_register($27, 0, val) 1692 1693 #define read_octeon_c0_dcacheerr() __read_64bit_c0_register($27, 1) 1694 #define write_octeon_c0_dcacheerr(val) __write_64bit_c0_register($27, 1, val) 1695 1696 /* BMIPS3300 */ 1697 #define read_c0_brcm_config_0() __read_32bit_c0_register($22, 0) 1698 #define write_c0_brcm_config_0(val) __write_32bit_c0_register($22, 0, val) 1699 1700 #define read_c0_brcm_bus_pll() __read_32bit_c0_register($22, 4) 1701 #define write_c0_brcm_bus_pll(val) __write_32bit_c0_register($22, 4, val) 1702 1703 #define read_c0_brcm_reset() __read_32bit_c0_register($22, 5) 1704 #define write_c0_brcm_reset(val) __write_32bit_c0_register($22, 5, val) 1705 1706 /* BMIPS43xx */ 1707 #define read_c0_brcm_cmt_intr() __read_32bit_c0_register($22, 1) 1708 #define write_c0_brcm_cmt_intr(val) __write_32bit_c0_register($22, 1, val) 1709 1710 #define read_c0_brcm_cmt_ctrl() __read_32bit_c0_register($22, 2) 1711 #define write_c0_brcm_cmt_ctrl(val) __write_32bit_c0_register($22, 2, val) 1712 1713 #define read_c0_brcm_cmt_local() __read_32bit_c0_register($22, 3) 1714 #define write_c0_brcm_cmt_local(val) __write_32bit_c0_register($22, 3, val) 1715 1716 #define read_c0_brcm_config_1() __read_32bit_c0_register($22, 5) 1717 #define write_c0_brcm_config_1(val) __write_32bit_c0_register($22, 5, val) 1718 1719 #define read_c0_brcm_cbr() __read_32bit_c0_register($22, 6) 1720 #define write_c0_brcm_cbr(val) __write_32bit_c0_register($22, 6, val) 1721 1722 /* BMIPS5000 */ 1723 #define read_c0_brcm_config() __read_32bit_c0_register($22, 0) 1724 #define write_c0_brcm_config(val) __write_32bit_c0_register($22, 0, val) 1725 1726 #define read_c0_brcm_mode() __read_32bit_c0_register($22, 1) 1727 #define write_c0_brcm_mode(val) __write_32bit_c0_register($22, 1, val) 1728 1729 #define read_c0_brcm_action() __read_32bit_c0_register($22, 2) 1730 #define write_c0_brcm_action(val) __write_32bit_c0_register($22, 2, val) 1731 1732 #define read_c0_brcm_edsp() __read_32bit_c0_register($22, 3) 1733 #define write_c0_brcm_edsp(val) __write_32bit_c0_register($22, 3, val) 1734 1735 #define read_c0_brcm_bootvec() __read_32bit_c0_register($22, 4) 1736 #define write_c0_brcm_bootvec(val) __write_32bit_c0_register($22, 4, val) 1737 1738 #define read_c0_brcm_sleepcount() __read_32bit_c0_register($22, 7) 1739 #define write_c0_brcm_sleepcount(val) __write_32bit_c0_register($22, 7, val) 1740 1741 /* 1742 * Macros to access the guest system control coprocessor 1743 */ 1744 1745 #ifdef TOOLCHAIN_SUPPORTS_VIRT 1746 1747 #define __read_32bit_gc0_register(source, sel) \ 1748 ({ int __res; \ 1749 __asm__ __volatile__( \ 1750 ".set\tpush\n\t" \ 1751 ".set\tmips32r2\n\t" \ 1752 ".set\tvirt\n\t" \ 1753 "mfgc0\t%0, $%1, %2\n\t" \ 1754 ".set\tpop" \ 1755 : "=r" (__res) \ 1756 : "i" (source), "i" (sel)); \ 1757 __res; \ 1758 }) 1759 1760 #define __read_64bit_gc0_register(source, sel) \ 1761 ({ unsigned long long __res; \ 1762 __asm__ __volatile__( \ 1763 ".set\tpush\n\t" \ 1764 ".set\tmips64r2\n\t" \ 1765 ".set\tvirt\n\t" \ 1766 "dmfgc0\t%0, $%1, %2\n\t" \ 1767 ".set\tpop" \ 1768 : "=r" (__res) \ 1769 : "i" (source), "i" (sel)); \ 1770 __res; \ 1771 }) 1772 1773 #define __write_32bit_gc0_register(register, sel, value) \ 1774 do { \ 1775 __asm__ __volatile__( \ 1776 ".set\tpush\n\t" \ 1777 ".set\tmips32r2\n\t" \ 1778 ".set\tvirt\n\t" \ 1779 "mtgc0\t%z0, $%1, %2\n\t" \ 1780 ".set\tpop" \ 1781 : : "Jr" ((unsigned int)(value)), \ 1782 "i" (register), "i" (sel)); \ 1783 } while (0) 1784 1785 #define __write_64bit_gc0_register(register, sel, value) \ 1786 do { \ 1787 __asm__ __volatile__( \ 1788 ".set\tpush\n\t" \ 1789 ".set\tmips64r2\n\t" \ 1790 ".set\tvirt\n\t" \ 1791 "dmtgc0\t%z0, $%1, %2\n\t" \ 1792 ".set\tpop" \ 1793 : : "Jr" (value), \ 1794 "i" (register), "i" (sel)); \ 1795 } while (0) 1796 1797 #else /* TOOLCHAIN_SUPPORTS_VIRT */ 1798 1799 #define __read_32bit_gc0_register(source, sel) \ 1800 ({ int __res; \ 1801 __asm__ __volatile__( \ 1802 ".set\tpush\n\t" \ 1803 ".set\tnoat\n\t" \ 1804 "# mfgc0\t$1, $%1, %2\n\t" \ 1805 _ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2) \ 1806 _ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11) \ 1807 "move\t%0, $1\n\t" \ 1808 ".set\tpop" \ 1809 : "=r" (__res) \ 1810 : "i" (source), "i" (sel)); \ 1811 __res; \ 1812 }) 1813 1814 #define __read_64bit_gc0_register(source, sel) \ 1815 ({ unsigned long long __res; \ 1816 __asm__ __volatile__( \ 1817 ".set\tpush\n\t" \ 1818 ".set\tnoat\n\t" \ 1819 "# dmfgc0\t$1, $%1, %2\n\t" \ 1820 _ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2) \ 1821 _ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11) \ 1822 "move\t%0, $1\n\t" \ 1823 ".set\tpop" \ 1824 : "=r" (__res) \ 1825 : "i" (source), "i" (sel)); \ 1826 __res; \ 1827 }) 1828 1829 #define __write_32bit_gc0_register(register, sel, value) \ 1830 do { \ 1831 __asm__ __volatile__( \ 1832 ".set\tpush\n\t" \ 1833 ".set\tnoat\n\t" \ 1834 "move\t$1, %z0\n\t" \ 1835 "# mtgc0\t$1, $%1, %2\n\t" \ 1836 _ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2) \ 1837 _ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11) \ 1838 ".set\tpop" \ 1839 : : "Jr" ((unsigned int)(value)), \ 1840 "i" (register), "i" (sel)); \ 1841 } while (0) 1842 1843 #define __write_64bit_gc0_register(register, sel, value) \ 1844 do { \ 1845 __asm__ __volatile__( \ 1846 ".set\tpush\n\t" \ 1847 ".set\tnoat\n\t" \ 1848 "move\t$1, %z0\n\t" \ 1849 "# dmtgc0\t$1, $%1, %2\n\t" \ 1850 _ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2) \ 1851 _ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11) \ 1852 ".set\tpop" \ 1853 : : "Jr" (value), \ 1854 "i" (register), "i" (sel)); \ 1855 } while (0) 1856 1857 #endif /* !TOOLCHAIN_SUPPORTS_VIRT */ 1858 1859 #define __read_ulong_gc0_register(reg, sel) \ 1860 ((sizeof(unsigned long) == 4) ? \ 1861 (unsigned long) __read_32bit_gc0_register(reg, sel) : \ 1862 (unsigned long) __read_64bit_gc0_register(reg, sel)) 1863 1864 #define __write_ulong_gc0_register(reg, sel, val) \ 1865 do { \ 1866 if (sizeof(unsigned long) == 4) \ 1867 __write_32bit_gc0_register(reg, sel, val); \ 1868 else \ 1869 __write_64bit_gc0_register(reg, sel, val); \ 1870 } while (0) 1871 1872 #define read_gc0_index() __read_32bit_gc0_register(0, 0) 1873 #define write_gc0_index(val) __write_32bit_gc0_register(0, 0, val) 1874 1875 #define read_gc0_entrylo0() __read_ulong_gc0_register(2, 0) 1876 #define write_gc0_entrylo0(val) __write_ulong_gc0_register(2, 0, val) 1877 1878 #define read_gc0_entrylo1() __read_ulong_gc0_register(3, 0) 1879 #define write_gc0_entrylo1(val) __write_ulong_gc0_register(3, 0, val) 1880 1881 #define read_gc0_context() __read_ulong_gc0_register(4, 0) 1882 #define write_gc0_context(val) __write_ulong_gc0_register(4, 0, val) 1883 1884 #define read_gc0_contextconfig() __read_32bit_gc0_register(4, 1) 1885 #define write_gc0_contextconfig(val) __write_32bit_gc0_register(4, 1, val) 1886 1887 #define read_gc0_userlocal() __read_ulong_gc0_register(4, 2) 1888 #define write_gc0_userlocal(val) __write_ulong_gc0_register(4, 2, val) 1889 1890 #define read_gc0_xcontextconfig() __read_ulong_gc0_register(4, 3) 1891 #define write_gc0_xcontextconfig(val) __write_ulong_gc0_register(4, 3, val) 1892 1893 #define read_gc0_pagemask() __read_32bit_gc0_register(5, 0) 1894 #define write_gc0_pagemask(val) __write_32bit_gc0_register(5, 0, val) 1895 1896 #define read_gc0_pagegrain() __read_32bit_gc0_register(5, 1) 1897 #define write_gc0_pagegrain(val) __write_32bit_gc0_register(5, 1, val) 1898 1899 #define read_gc0_segctl0() __read_ulong_gc0_register(5, 2) 1900 #define write_gc0_segctl0(val) __write_ulong_gc0_register(5, 2, val) 1901 1902 #define read_gc0_segctl1() __read_ulong_gc0_register(5, 3) 1903 #define write_gc0_segctl1(val) __write_ulong_gc0_register(5, 3, val) 1904 1905 #define read_gc0_segctl2() __read_ulong_gc0_register(5, 4) 1906 #define write_gc0_segctl2(val) __write_ulong_gc0_register(5, 4, val) 1907 1908 #define read_gc0_pwbase() __read_ulong_gc0_register(5, 5) 1909 #define write_gc0_pwbase(val) __write_ulong_gc0_register(5, 5, val) 1910 1911 #define read_gc0_pwfield() __read_ulong_gc0_register(5, 6) 1912 #define write_gc0_pwfield(val) __write_ulong_gc0_register(5, 6, val) 1913 1914 #define read_gc0_pwsize() __read_ulong_gc0_register(5, 7) 1915 #define write_gc0_pwsize(val) __write_ulong_gc0_register(5, 7, val) 1916 1917 #define read_gc0_wired() __read_32bit_gc0_register(6, 0) 1918 #define write_gc0_wired(val) __write_32bit_gc0_register(6, 0, val) 1919 1920 #define read_gc0_pwctl() __read_32bit_gc0_register(6, 6) 1921 #define write_gc0_pwctl(val) __write_32bit_gc0_register(6, 6, val) 1922 1923 #define read_gc0_hwrena() __read_32bit_gc0_register(7, 0) 1924 #define write_gc0_hwrena(val) __write_32bit_gc0_register(7, 0, val) 1925 1926 #define read_gc0_badvaddr() __read_ulong_gc0_register(8, 0) 1927 #define write_gc0_badvaddr(val) __write_ulong_gc0_register(8, 0, val) 1928 1929 #define read_gc0_badinstr() __read_32bit_gc0_register(8, 1) 1930 #define write_gc0_badinstr(val) __write_32bit_gc0_register(8, 1, val) 1931 1932 #define read_gc0_badinstrp() __read_32bit_gc0_register(8, 2) 1933 #define write_gc0_badinstrp(val) __write_32bit_gc0_register(8, 2, val) 1934 1935 #define read_gc0_count() __read_32bit_gc0_register(9, 0) 1936 1937 #define read_gc0_entryhi() __read_ulong_gc0_register(10, 0) 1938 #define write_gc0_entryhi(val) __write_ulong_gc0_register(10, 0, val) 1939 1940 #define read_gc0_compare() __read_32bit_gc0_register(11, 0) 1941 #define write_gc0_compare(val) __write_32bit_gc0_register(11, 0, val) 1942 1943 #define read_gc0_status() __read_32bit_gc0_register(12, 0) 1944 #define write_gc0_status(val) __write_32bit_gc0_register(12, 0, val) 1945 1946 #define read_gc0_intctl() __read_32bit_gc0_register(12, 1) 1947 #define write_gc0_intctl(val) __write_32bit_gc0_register(12, 1, val) 1948 1949 #define read_gc0_cause() __read_32bit_gc0_register(13, 0) 1950 #define write_gc0_cause(val) __write_32bit_gc0_register(13, 0, val) 1951 1952 #define read_gc0_epc() __read_ulong_gc0_register(14, 0) 1953 #define write_gc0_epc(val) __write_ulong_gc0_register(14, 0, val) 1954 1955 #define read_gc0_ebase() __read_32bit_gc0_register(15, 1) 1956 #define write_gc0_ebase(val) __write_32bit_gc0_register(15, 1, val) 1957 1958 #define read_gc0_ebase_64() __read_64bit_gc0_register(15, 1) 1959 #define write_gc0_ebase_64(val) __write_64bit_gc0_register(15, 1, val) 1960 1961 #define read_gc0_config() __read_32bit_gc0_register(16, 0) 1962 #define read_gc0_config1() __read_32bit_gc0_register(16, 1) 1963 #define read_gc0_config2() __read_32bit_gc0_register(16, 2) 1964 #define read_gc0_config3() __read_32bit_gc0_register(16, 3) 1965 #define read_gc0_config4() __read_32bit_gc0_register(16, 4) 1966 #define read_gc0_config5() __read_32bit_gc0_register(16, 5) 1967 #define read_gc0_config6() __read_32bit_gc0_register(16, 6) 1968 #define read_gc0_config7() __read_32bit_gc0_register(16, 7) 1969 #define write_gc0_config(val) __write_32bit_gc0_register(16, 0, val) 1970 #define write_gc0_config1(val) __write_32bit_gc0_register(16, 1, val) 1971 #define write_gc0_config2(val) __write_32bit_gc0_register(16, 2, val) 1972 #define write_gc0_config3(val) __write_32bit_gc0_register(16, 3, val) 1973 #define write_gc0_config4(val) __write_32bit_gc0_register(16, 4, val) 1974 #define write_gc0_config5(val) __write_32bit_gc0_register(16, 5, val) 1975 #define write_gc0_config6(val) __write_32bit_gc0_register(16, 6, val) 1976 #define write_gc0_config7(val) __write_32bit_gc0_register(16, 7, val) 1977 1978 #define read_gc0_watchlo0() __read_ulong_gc0_register(18, 0) 1979 #define read_gc0_watchlo1() __read_ulong_gc0_register(18, 1) 1980 #define read_gc0_watchlo2() __read_ulong_gc0_register(18, 2) 1981 #define read_gc0_watchlo3() __read_ulong_gc0_register(18, 3) 1982 #define read_gc0_watchlo4() __read_ulong_gc0_register(18, 4) 1983 #define read_gc0_watchlo5() __read_ulong_gc0_register(18, 5) 1984 #define read_gc0_watchlo6() __read_ulong_gc0_register(18, 6) 1985 #define read_gc0_watchlo7() __read_ulong_gc0_register(18, 7) 1986 #define write_gc0_watchlo0(val) __write_ulong_gc0_register(18, 0, val) 1987 #define write_gc0_watchlo1(val) __write_ulong_gc0_register(18, 1, val) 1988 #define write_gc0_watchlo2(val) __write_ulong_gc0_register(18, 2, val) 1989 #define write_gc0_watchlo3(val) __write_ulong_gc0_register(18, 3, val) 1990 #define write_gc0_watchlo4(val) __write_ulong_gc0_register(18, 4, val) 1991 #define write_gc0_watchlo5(val) __write_ulong_gc0_register(18, 5, val) 1992 #define write_gc0_watchlo6(val) __write_ulong_gc0_register(18, 6, val) 1993 #define write_gc0_watchlo7(val) __write_ulong_gc0_register(18, 7, val) 1994 1995 #define read_gc0_watchhi0() __read_32bit_gc0_register(19, 0) 1996 #define read_gc0_watchhi1() __read_32bit_gc0_register(19, 1) 1997 #define read_gc0_watchhi2() __read_32bit_gc0_register(19, 2) 1998 #define read_gc0_watchhi3() __read_32bit_gc0_register(19, 3) 1999 #define read_gc0_watchhi4() __read_32bit_gc0_register(19, 4) 2000 #define read_gc0_watchhi5() __read_32bit_gc0_register(19, 5) 2001 #define read_gc0_watchhi6() __read_32bit_gc0_register(19, 6) 2002 #define read_gc0_watchhi7() __read_32bit_gc0_register(19, 7) 2003 #define write_gc0_watchhi0(val) __write_32bit_gc0_register(19, 0, val) 2004 #define write_gc0_watchhi1(val) __write_32bit_gc0_register(19, 1, val) 2005 #define write_gc0_watchhi2(val) __write_32bit_gc0_register(19, 2, val) 2006 #define write_gc0_watchhi3(val) __write_32bit_gc0_register(19, 3, val) 2007 #define write_gc0_watchhi4(val) __write_32bit_gc0_register(19, 4, val) 2008 #define write_gc0_watchhi5(val) __write_32bit_gc0_register(19, 5, val) 2009 #define write_gc0_watchhi6(val) __write_32bit_gc0_register(19, 6, val) 2010 #define write_gc0_watchhi7(val) __write_32bit_gc0_register(19, 7, val) 2011 2012 #define read_gc0_xcontext() __read_ulong_gc0_register(20, 0) 2013 #define write_gc0_xcontext(val) __write_ulong_gc0_register(20, 0, val) 2014 2015 #define read_gc0_perfctrl0() __read_32bit_gc0_register(25, 0) 2016 #define write_gc0_perfctrl0(val) __write_32bit_gc0_register(25, 0, val) 2017 #define read_gc0_perfcntr0() __read_32bit_gc0_register(25, 1) 2018 #define write_gc0_perfcntr0(val) __write_32bit_gc0_register(25, 1, val) 2019 #define read_gc0_perfcntr0_64() __read_64bit_gc0_register(25, 1) 2020 #define write_gc0_perfcntr0_64(val) __write_64bit_gc0_register(25, 1, val) 2021 #define read_gc0_perfctrl1() __read_32bit_gc0_register(25, 2) 2022 #define write_gc0_perfctrl1(val) __write_32bit_gc0_register(25, 2, val) 2023 #define read_gc0_perfcntr1() __read_32bit_gc0_register(25, 3) 2024 #define write_gc0_perfcntr1(val) __write_32bit_gc0_register(25, 3, val) 2025 #define read_gc0_perfcntr1_64() __read_64bit_gc0_register(25, 3) 2026 #define write_gc0_perfcntr1_64(val) __write_64bit_gc0_register(25, 3, val) 2027 #define read_gc0_perfctrl2() __read_32bit_gc0_register(25, 4) 2028 #define write_gc0_perfctrl2(val) __write_32bit_gc0_register(25, 4, val) 2029 #define read_gc0_perfcntr2() __read_32bit_gc0_register(25, 5) 2030 #define write_gc0_perfcntr2(val) __write_32bit_gc0_register(25, 5, val) 2031 #define read_gc0_perfcntr2_64() __read_64bit_gc0_register(25, 5) 2032 #define write_gc0_perfcntr2_64(val) __write_64bit_gc0_register(25, 5, val) 2033 #define read_gc0_perfctrl3() __read_32bit_gc0_register(25, 6) 2034 #define write_gc0_perfctrl3(val) __write_32bit_gc0_register(25, 6, val) 2035 #define read_gc0_perfcntr3() __read_32bit_gc0_register(25, 7) 2036 #define write_gc0_perfcntr3(val) __write_32bit_gc0_register(25, 7, val) 2037 #define read_gc0_perfcntr3_64() __read_64bit_gc0_register(25, 7) 2038 #define write_gc0_perfcntr3_64(val) __write_64bit_gc0_register(25, 7, val) 2039 2040 #define read_gc0_errorepc() __read_ulong_gc0_register(30, 0) 2041 #define write_gc0_errorepc(val) __write_ulong_gc0_register(30, 0, val) 2042 2043 #define read_gc0_kscratch1() __read_ulong_gc0_register(31, 2) 2044 #define read_gc0_kscratch2() __read_ulong_gc0_register(31, 3) 2045 #define read_gc0_kscratch3() __read_ulong_gc0_register(31, 4) 2046 #define read_gc0_kscratch4() __read_ulong_gc0_register(31, 5) 2047 #define read_gc0_kscratch5() __read_ulong_gc0_register(31, 6) 2048 #define read_gc0_kscratch6() __read_ulong_gc0_register(31, 7) 2049 #define write_gc0_kscratch1(val) __write_ulong_gc0_register(31, 2, val) 2050 #define write_gc0_kscratch2(val) __write_ulong_gc0_register(31, 3, val) 2051 #define write_gc0_kscratch3(val) __write_ulong_gc0_register(31, 4, val) 2052 #define write_gc0_kscratch4(val) __write_ulong_gc0_register(31, 5, val) 2053 #define write_gc0_kscratch5(val) __write_ulong_gc0_register(31, 6, val) 2054 #define write_gc0_kscratch6(val) __write_ulong_gc0_register(31, 7, val) 2055 2056 /* 2057 * Macros to access the floating point coprocessor control registers 2058 */ 2059 #define _read_32bit_cp1_register(source, gas_hardfloat) \ 2060 ({ \ 2061 unsigned int __res; \ 2062 \ 2063 __asm__ __volatile__( \ 2064 " .set push \n" \ 2065 " .set reorder \n" \ 2066 " # gas fails to assemble cfc1 for some archs, \n" \ 2067 " # like Octeon. \n" \ 2068 " .set mips1 \n" \ 2069 " "STR(gas_hardfloat)" \n" \ 2070 " cfc1 %0,"STR(source)" \n" \ 2071 " .set pop \n" \ 2072 : "=r" (__res)); \ 2073 __res; \ 2074 }) 2075 2076 #define _write_32bit_cp1_register(dest, val, gas_hardfloat) \ 2077 do { \ 2078 __asm__ __volatile__( \ 2079 " .set push \n" \ 2080 " .set reorder \n" \ 2081 " "STR(gas_hardfloat)" \n" \ 2082 " ctc1 %0,"STR(dest)" \n" \ 2083 " .set pop \n" \ 2084 : : "r" (val)); \ 2085 } while (0) 2086 2087 #ifdef GAS_HAS_SET_HARDFLOAT 2088 #define read_32bit_cp1_register(source) \ 2089 _read_32bit_cp1_register(source, .set hardfloat) 2090 #define write_32bit_cp1_register(dest, val) \ 2091 _write_32bit_cp1_register(dest, val, .set hardfloat) 2092 #else 2093 #define read_32bit_cp1_register(source) \ 2094 _read_32bit_cp1_register(source, ) 2095 #define write_32bit_cp1_register(dest, val) \ 2096 _write_32bit_cp1_register(dest, val, ) 2097 #endif 2098 2099 #ifdef HAVE_AS_DSP 2100 #define rddsp(mask) \ 2101 ({ \ 2102 unsigned int __dspctl; \ 2103 \ 2104 __asm__ __volatile__( \ 2105 " .set push \n" \ 2106 " .set dsp \n" \ 2107 " rddsp %0, %x1 \n" \ 2108 " .set pop \n" \ 2109 : "=r" (__dspctl) \ 2110 : "i" (mask)); \ 2111 __dspctl; \ 2112 }) 2113 2114 #define wrdsp(val, mask) \ 2115 do { \ 2116 __asm__ __volatile__( \ 2117 " .set push \n" \ 2118 " .set dsp \n" \ 2119 " wrdsp %0, %x1 \n" \ 2120 " .set pop \n" \ 2121 : \ 2122 : "r" (val), "i" (mask)); \ 2123 } while (0) 2124 2125 #define mflo0() \ 2126 ({ \ 2127 long mflo0; \ 2128 __asm__( \ 2129 " .set push \n" \ 2130 " .set dsp \n" \ 2131 " mflo %0, $ac0 \n" \ 2132 " .set pop \n" \ 2133 : "=r" (mflo0)); \ 2134 mflo0; \ 2135 }) 2136 2137 #define mflo1() \ 2138 ({ \ 2139 long mflo1; \ 2140 __asm__( \ 2141 " .set push \n" \ 2142 " .set dsp \n" \ 2143 " mflo %0, $ac1 \n" \ 2144 " .set pop \n" \ 2145 : "=r" (mflo1)); \ 2146 mflo1; \ 2147 }) 2148 2149 #define mflo2() \ 2150 ({ \ 2151 long mflo2; \ 2152 __asm__( \ 2153 " .set push \n" \ 2154 " .set dsp \n" \ 2155 " mflo %0, $ac2 \n" \ 2156 " .set pop \n" \ 2157 : "=r" (mflo2)); \ 2158 mflo2; \ 2159 }) 2160 2161 #define mflo3() \ 2162 ({ \ 2163 long mflo3; \ 2164 __asm__( \ 2165 " .set push \n" \ 2166 " .set dsp \n" \ 2167 " mflo %0, $ac3 \n" \ 2168 " .set pop \n" \ 2169 : "=r" (mflo3)); \ 2170 mflo3; \ 2171 }) 2172 2173 #define mfhi0() \ 2174 ({ \ 2175 long mfhi0; \ 2176 __asm__( \ 2177 " .set push \n" \ 2178 " .set dsp \n" \ 2179 " mfhi %0, $ac0 \n" \ 2180 " .set pop \n" \ 2181 : "=r" (mfhi0)); \ 2182 mfhi0; \ 2183 }) 2184 2185 #define mfhi1() \ 2186 ({ \ 2187 long mfhi1; \ 2188 __asm__( \ 2189 " .set push \n" \ 2190 " .set dsp \n" \ 2191 " mfhi %0, $ac1 \n" \ 2192 " .set pop \n" \ 2193 : "=r" (mfhi1)); \ 2194 mfhi1; \ 2195 }) 2196 2197 #define mfhi2() \ 2198 ({ \ 2199 long mfhi2; \ 2200 __asm__( \ 2201 " .set push \n" \ 2202 " .set dsp \n" \ 2203 " mfhi %0, $ac2 \n" \ 2204 " .set pop \n" \ 2205 : "=r" (mfhi2)); \ 2206 mfhi2; \ 2207 }) 2208 2209 #define mfhi3() \ 2210 ({ \ 2211 long mfhi3; \ 2212 __asm__( \ 2213 " .set push \n" \ 2214 " .set dsp \n" \ 2215 " mfhi %0, $ac3 \n" \ 2216 " .set pop \n" \ 2217 : "=r" (mfhi3)); \ 2218 mfhi3; \ 2219 }) 2220 2221 2222 #define mtlo0(x) \ 2223 ({ \ 2224 __asm__( \ 2225 " .set push \n" \ 2226 " .set dsp \n" \ 2227 " mtlo %0, $ac0 \n" \ 2228 " .set pop \n" \ 2229 : \ 2230 : "r" (x)); \ 2231 }) 2232 2233 #define mtlo1(x) \ 2234 ({ \ 2235 __asm__( \ 2236 " .set push \n" \ 2237 " .set dsp \n" \ 2238 " mtlo %0, $ac1 \n" \ 2239 " .set pop \n" \ 2240 : \ 2241 : "r" (x)); \ 2242 }) 2243 2244 #define mtlo2(x) \ 2245 ({ \ 2246 __asm__( \ 2247 " .set push \n" \ 2248 " .set dsp \n" \ 2249 " mtlo %0, $ac2 \n" \ 2250 " .set pop \n" \ 2251 : \ 2252 : "r" (x)); \ 2253 }) 2254 2255 #define mtlo3(x) \ 2256 ({ \ 2257 __asm__( \ 2258 " .set push \n" \ 2259 " .set dsp \n" \ 2260 " mtlo %0, $ac3 \n" \ 2261 " .set pop \n" \ 2262 : \ 2263 : "r" (x)); \ 2264 }) 2265 2266 #define mthi0(x) \ 2267 ({ \ 2268 __asm__( \ 2269 " .set push \n" \ 2270 " .set dsp \n" \ 2271 " mthi %0, $ac0 \n" \ 2272 " .set pop \n" \ 2273 : \ 2274 : "r" (x)); \ 2275 }) 2276 2277 #define mthi1(x) \ 2278 ({ \ 2279 __asm__( \ 2280 " .set push \n" \ 2281 " .set dsp \n" \ 2282 " mthi %0, $ac1 \n" \ 2283 " .set pop \n" \ 2284 : \ 2285 : "r" (x)); \ 2286 }) 2287 2288 #define mthi2(x) \ 2289 ({ \ 2290 __asm__( \ 2291 " .set push \n" \ 2292 " .set dsp \n" \ 2293 " mthi %0, $ac2 \n" \ 2294 " .set pop \n" \ 2295 : \ 2296 : "r" (x)); \ 2297 }) 2298 2299 #define mthi3(x) \ 2300 ({ \ 2301 __asm__( \ 2302 " .set push \n" \ 2303 " .set dsp \n" \ 2304 " mthi %0, $ac3 \n" \ 2305 " .set pop \n" \ 2306 : \ 2307 : "r" (x)); \ 2308 }) 2309 2310 #else 2311 2312 #define rddsp(mask) \ 2313 ({ \ 2314 unsigned int __res; \ 2315 \ 2316 __asm__ __volatile__( \ 2317 " .set push \n" \ 2318 " .set noat \n" \ 2319 " # rddsp $1, %x1 \n" \ 2320 _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16)) \ 2321 _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14)) \ 2322 " move %0, $1 \n" \ 2323 " .set pop \n" \ 2324 : "=r" (__res) \ 2325 : "i" (mask)); \ 2326 __res; \ 2327 }) 2328 2329 #define wrdsp(val, mask) \ 2330 do { \ 2331 __asm__ __volatile__( \ 2332 " .set push \n" \ 2333 " .set noat \n" \ 2334 " move $1, %0 \n" \ 2335 " # wrdsp $1, %x1 \n" \ 2336 _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11)) \ 2337 _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14)) \ 2338 " .set pop \n" \ 2339 : \ 2340 : "r" (val), "i" (mask)); \ 2341 } while (0) 2342 2343 #define _dsp_mfxxx(ins) \ 2344 ({ \ 2345 unsigned long __treg; \ 2346 \ 2347 __asm__ __volatile__( \ 2348 " .set push \n" \ 2349 " .set noat \n" \ 2350 _ASM_INSN_IF_MIPS(0x00000810 | %X1) \ 2351 _ASM_INSN32_IF_MM(0x0001007c | %x1) \ 2352 " move %0, $1 \n" \ 2353 " .set pop \n" \ 2354 : "=r" (__treg) \ 2355 : "i" (ins)); \ 2356 __treg; \ 2357 }) 2358 2359 #define _dsp_mtxxx(val, ins) \ 2360 do { \ 2361 __asm__ __volatile__( \ 2362 " .set push \n" \ 2363 " .set noat \n" \ 2364 " move $1, %0 \n" \ 2365 _ASM_INSN_IF_MIPS(0x00200011 | %X1) \ 2366 _ASM_INSN32_IF_MM(0x0001207c | %x1) \ 2367 " .set pop \n" \ 2368 : \ 2369 : "r" (val), "i" (ins)); \ 2370 } while (0) 2371 2372 #ifdef CONFIG_CPU_MICROMIPS 2373 2374 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000) 2375 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000) 2376 2377 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000)) 2378 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000)) 2379 2380 #else /* !CONFIG_CPU_MICROMIPS */ 2381 2382 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002) 2383 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000) 2384 2385 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002)) 2386 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000)) 2387 2388 #endif /* CONFIG_CPU_MICROMIPS */ 2389 2390 #define mflo0() _dsp_mflo(0) 2391 #define mflo1() _dsp_mflo(1) 2392 #define mflo2() _dsp_mflo(2) 2393 #define mflo3() _dsp_mflo(3) 2394 2395 #define mfhi0() _dsp_mfhi(0) 2396 #define mfhi1() _dsp_mfhi(1) 2397 #define mfhi2() _dsp_mfhi(2) 2398 #define mfhi3() _dsp_mfhi(3) 2399 2400 #define mtlo0(x) _dsp_mtlo(x, 0) 2401 #define mtlo1(x) _dsp_mtlo(x, 1) 2402 #define mtlo2(x) _dsp_mtlo(x, 2) 2403 #define mtlo3(x) _dsp_mtlo(x, 3) 2404 2405 #define mthi0(x) _dsp_mthi(x, 0) 2406 #define mthi1(x) _dsp_mthi(x, 1) 2407 #define mthi2(x) _dsp_mthi(x, 2) 2408 #define mthi3(x) _dsp_mthi(x, 3) 2409 2410 #endif 2411 2412 /* 2413 * TLB operations. 2414 * 2415 * It is responsibility of the caller to take care of any TLB hazards. 2416 */ 2417 static inline void tlb_probe(void) 2418 { 2419 __asm__ __volatile__( 2420 ".set noreorder\n\t" 2421 "tlbp\n\t" 2422 ".set reorder"); 2423 } 2424 2425 static inline void tlb_read(void) 2426 { 2427 #if MIPS34K_MISSED_ITLB_WAR 2428 int res = 0; 2429 2430 __asm__ __volatile__( 2431 " .set push \n" 2432 " .set noreorder \n" 2433 " .set noat \n" 2434 " .set mips32r2 \n" 2435 " .word 0x41610001 # dvpe $1 \n" 2436 " move %0, $1 \n" 2437 " ehb \n" 2438 " .set pop \n" 2439 : "=r" (res)); 2440 2441 instruction_hazard(); 2442 #endif 2443 2444 __asm__ __volatile__( 2445 ".set noreorder\n\t" 2446 "tlbr\n\t" 2447 ".set reorder"); 2448 2449 #if MIPS34K_MISSED_ITLB_WAR 2450 if ((res & _ULCAST_(1))) 2451 __asm__ __volatile__( 2452 " .set push \n" 2453 " .set noreorder \n" 2454 " .set noat \n" 2455 " .set mips32r2 \n" 2456 " .word 0x41600021 # evpe \n" 2457 " ehb \n" 2458 " .set pop \n"); 2459 #endif 2460 } 2461 2462 static inline void tlb_write_indexed(void) 2463 { 2464 __asm__ __volatile__( 2465 ".set noreorder\n\t" 2466 "tlbwi\n\t" 2467 ".set reorder"); 2468 } 2469 2470 static inline void tlb_write_random(void) 2471 { 2472 __asm__ __volatile__( 2473 ".set noreorder\n\t" 2474 "tlbwr\n\t" 2475 ".set reorder"); 2476 } 2477 2478 #ifdef TOOLCHAIN_SUPPORTS_VIRT 2479 2480 /* 2481 * Guest TLB operations. 2482 * 2483 * It is responsibility of the caller to take care of any TLB hazards. 2484 */ 2485 static inline void guest_tlb_probe(void) 2486 { 2487 __asm__ __volatile__( 2488 ".set push\n\t" 2489 ".set noreorder\n\t" 2490 ".set virt\n\t" 2491 "tlbgp\n\t" 2492 ".set pop"); 2493 } 2494 2495 static inline void guest_tlb_read(void) 2496 { 2497 __asm__ __volatile__( 2498 ".set push\n\t" 2499 ".set noreorder\n\t" 2500 ".set virt\n\t" 2501 "tlbgr\n\t" 2502 ".set pop"); 2503 } 2504 2505 static inline void guest_tlb_write_indexed(void) 2506 { 2507 __asm__ __volatile__( 2508 ".set push\n\t" 2509 ".set noreorder\n\t" 2510 ".set virt\n\t" 2511 "tlbgwi\n\t" 2512 ".set pop"); 2513 } 2514 2515 static inline void guest_tlb_write_random(void) 2516 { 2517 __asm__ __volatile__( 2518 ".set push\n\t" 2519 ".set noreorder\n\t" 2520 ".set virt\n\t" 2521 "tlbgwr\n\t" 2522 ".set pop"); 2523 } 2524 2525 /* 2526 * Guest TLB Invalidate Flush 2527 */ 2528 static inline void guest_tlbinvf(void) 2529 { 2530 __asm__ __volatile__( 2531 ".set push\n\t" 2532 ".set noreorder\n\t" 2533 ".set virt\n\t" 2534 "tlbginvf\n\t" 2535 ".set pop"); 2536 } 2537 2538 #else /* TOOLCHAIN_SUPPORTS_VIRT */ 2539 2540 /* 2541 * Guest TLB operations. 2542 * 2543 * It is responsibility of the caller to take care of any TLB hazards. 2544 */ 2545 static inline void guest_tlb_probe(void) 2546 { 2547 __asm__ __volatile__( 2548 "# tlbgp\n\t" 2549 _ASM_INSN_IF_MIPS(0x42000010) 2550 _ASM_INSN32_IF_MM(0x0000017c)); 2551 } 2552 2553 static inline void guest_tlb_read(void) 2554 { 2555 __asm__ __volatile__( 2556 "# tlbgr\n\t" 2557 _ASM_INSN_IF_MIPS(0x42000009) 2558 _ASM_INSN32_IF_MM(0x0000117c)); 2559 } 2560 2561 static inline void guest_tlb_write_indexed(void) 2562 { 2563 __asm__ __volatile__( 2564 "# tlbgwi\n\t" 2565 _ASM_INSN_IF_MIPS(0x4200000a) 2566 _ASM_INSN32_IF_MM(0x0000217c)); 2567 } 2568 2569 static inline void guest_tlb_write_random(void) 2570 { 2571 __asm__ __volatile__( 2572 "# tlbgwr\n\t" 2573 _ASM_INSN_IF_MIPS(0x4200000e) 2574 _ASM_INSN32_IF_MM(0x0000317c)); 2575 } 2576 2577 /* 2578 * Guest TLB Invalidate Flush 2579 */ 2580 static inline void guest_tlbinvf(void) 2581 { 2582 __asm__ __volatile__( 2583 "# tlbginvf\n\t" 2584 _ASM_INSN_IF_MIPS(0x4200000c) 2585 _ASM_INSN32_IF_MM(0x0000517c)); 2586 } 2587 2588 #endif /* !TOOLCHAIN_SUPPORTS_VIRT */ 2589 2590 /* 2591 * Manipulate bits in a register. 2592 */ 2593 #define __BUILD_SET_COMMON(name) \ 2594 static inline unsigned int \ 2595 set_##name(unsigned int set) \ 2596 { \ 2597 unsigned int res, new; \ 2598 \ 2599 res = read_##name(); \ 2600 new = res | set; \ 2601 write_##name(new); \ 2602 \ 2603 return res; \ 2604 } \ 2605 \ 2606 static inline unsigned int \ 2607 clear_##name(unsigned int clear) \ 2608 { \ 2609 unsigned int res, new; \ 2610 \ 2611 res = read_##name(); \ 2612 new = res & ~clear; \ 2613 write_##name(new); \ 2614 \ 2615 return res; \ 2616 } \ 2617 \ 2618 static inline unsigned int \ 2619 change_##name(unsigned int change, unsigned int val) \ 2620 { \ 2621 unsigned int res, new; \ 2622 \ 2623 res = read_##name(); \ 2624 new = res & ~change; \ 2625 new |= (val & change); \ 2626 write_##name(new); \ 2627 \ 2628 return res; \ 2629 } 2630 2631 /* 2632 * Manipulate bits in a c0 register. 2633 */ 2634 #define __BUILD_SET_C0(name) __BUILD_SET_COMMON(c0_##name) 2635 2636 __BUILD_SET_C0(status) 2637 __BUILD_SET_C0(cause) 2638 __BUILD_SET_C0(config) 2639 __BUILD_SET_C0(config5) 2640 __BUILD_SET_C0(intcontrol) 2641 __BUILD_SET_C0(intctl) 2642 __BUILD_SET_C0(srsmap) 2643 __BUILD_SET_C0(pagegrain) 2644 __BUILD_SET_C0(guestctl0) 2645 __BUILD_SET_C0(guestctl0ext) 2646 __BUILD_SET_C0(guestctl1) 2647 __BUILD_SET_C0(guestctl2) 2648 __BUILD_SET_C0(guestctl3) 2649 __BUILD_SET_C0(brcm_config_0) 2650 __BUILD_SET_C0(brcm_bus_pll) 2651 __BUILD_SET_C0(brcm_reset) 2652 __BUILD_SET_C0(brcm_cmt_intr) 2653 __BUILD_SET_C0(brcm_cmt_ctrl) 2654 __BUILD_SET_C0(brcm_config) 2655 __BUILD_SET_C0(brcm_mode) 2656 2657 /* 2658 * Manipulate bits in a guest c0 register. 2659 */ 2660 #define __BUILD_SET_GC0(name) __BUILD_SET_COMMON(gc0_##name) 2661 2662 __BUILD_SET_GC0(status) 2663 __BUILD_SET_GC0(cause) 2664 __BUILD_SET_GC0(ebase) 2665 2666 /* 2667 * Return low 10 bits of ebase. 2668 * Note that under KVM (MIPSVZ) this returns vcpu id. 2669 */ 2670 static inline unsigned int get_ebase_cpunum(void) 2671 { 2672 return read_c0_ebase() & MIPS_EBASE_CPUNUM; 2673 } 2674 2675 #endif /* !__ASSEMBLY__ */ 2676 2677 #endif /* _ASM_MIPSREGS_H */ 2678