arch/mips/include/asm/mipsregs.h

   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  * Wired register bits
 219  */
 220 #define MIPSR6_WIRED_LIMIT      (_ULCAST_(0xffff) << 16)
 221 #define MIPSR6_WIRED_WIRED      (_ULCAST_(0xffff) << 0)
 222
 223 /*
 224  * Values used for computation of new tlb entries
 225  */
 226 #define PL_4K           12
 227 #define PL_16K          14
 228 #define PL_64K          16
 229 #define PL_256K         18
 230 #define PL_1M           20
 231 #define PL_4M           22
 232 #define PL_16M          24
 233 #define PL_64M          26
 234 #define PL_256M         28
 235
 236 /*
 237  * PageGrain bits
 238  */
 239 #define PG_RIE          (_ULCAST_(1) <<  31)
 240 #define PG_XIE          (_ULCAST_(1) <<  30)
 241 #define PG_ELPA         (_ULCAST_(1) <<  29)
 242 #define PG_ESP          (_ULCAST_(1) <<  28)
 243 #define PG_IEC          (_ULCAST_(1) <<  27)
 244
 245 /* MIPS32/64 EntryHI bit definitions */
 246 #define MIPS_ENTRYHI_EHINV      (_ULCAST_(1) << 10)
 247 #define MIPS_ENTRYHI_ASIDX      (_ULCAST_(0x3) << 8)
 248 #define MIPS_ENTRYHI_ASID       (_ULCAST_(0xff) << 0)
 249
 250 /*
 251  * R4x00 interrupt enable / cause bits
 252  */
 253 #define IE_SW0          (_ULCAST_(1) <<  8)
 254 #define IE_SW1          (_ULCAST_(1) <<  9)
 255 #define IE_IRQ0         (_ULCAST_(1) << 10)
 256 #define IE_IRQ1         (_ULCAST_(1) << 11)
 257 #define IE_IRQ2         (_ULCAST_(1) << 12)
 258 #define IE_IRQ3         (_ULCAST_(1) << 13)
 259 #define IE_IRQ4         (_ULCAST_(1) << 14)
 260 #define IE_IRQ5         (_ULCAST_(1) << 15)
 261
 262 /*
 263  * R4x00 interrupt cause bits
 264  */
 265 #define C_SW0           (_ULCAST_(1) <<  8)
 266 #define C_SW1           (_ULCAST_(1) <<  9)
 267 #define C_IRQ0          (_ULCAST_(1) << 10)
 268 #define C_IRQ1          (_ULCAST_(1) << 11)
 269 #define C_IRQ2          (_ULCAST_(1) << 12)
 270 #define C_IRQ3          (_ULCAST_(1) << 13)
 271 #define C_IRQ4          (_ULCAST_(1) << 14)
 272 #define C_IRQ5          (_ULCAST_(1) << 15)
 273
 274 /*
 275  * Bitfields in the R4xx0 cp0 status register
 276  */
 277 #define ST0_IE                  0x00000001
 278 #define ST0_EXL                 0x00000002
 279 #define ST0_ERL                 0x00000004
 280 #define ST0_KSU                 0x00000018
 281 #  define KSU_USER              0x00000010
 282 #  define KSU_SUPERVISOR        0x00000008
 283 #  define KSU_KERNEL            0x00000000
 284 #define ST0_UX                  0x00000020
 285 #define ST0_SX                  0x00000040
 286 #define ST0_KX                  0x00000080
 287 #define ST0_DE                  0x00010000
 288 #define ST0_CE                  0x00020000
 289
 290 /*
 291  * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
 292  * cacheops in userspace.  This bit exists only on RM7000 and RM9000
 293  * processors.
 294  */
 295 #define ST0_CO                  0x08000000
 296
 297 /*
 298  * Bitfields in the R[23]000 cp0 status register.
 299  */
 300 #define ST0_IEC                 0x00000001
 301 #define ST0_KUC                 0x00000002
 302 #define ST0_IEP                 0x00000004
 303 #define ST0_KUP                 0x00000008
 304 #define ST0_IEO                 0x00000010
 305 #define ST0_KUO                 0x00000020
 306 /* bits 6 & 7 are reserved on R[23]000 */
 307 #define ST0_ISC                 0x00010000
 308 #define ST0_SWC                 0x00020000
 309 #define ST0_CM                  0x00080000
 310
 311 /*
 312  * Bits specific to the R4640/R4650
 313  */
 314 #define ST0_UM                  (_ULCAST_(1) <<  4)
 315 #define ST0_IL                  (_ULCAST_(1) << 23)
 316 #define ST0_DL                  (_ULCAST_(1) << 24)
 317
 318 /*
 319  * Enable the MIPS MDMX and DSP ASEs
 320  */
 321 #define ST0_MX                  0x01000000
 322
 323 /*
 324  * Status register bits available in all MIPS CPUs.
 325  */
 326 #define ST0_IM                  0x0000ff00
 327 #define  STATUSB_IP0            8
 328 #define  STATUSF_IP0            (_ULCAST_(1) <<  8)
 329 #define  STATUSB_IP1            9
 330 #define  STATUSF_IP1            (_ULCAST_(1) <<  9)
 331 #define  STATUSB_IP2            10
 332 #define  STATUSF_IP2            (_ULCAST_(1) << 10)
 333 #define  STATUSB_IP3            11
 334 #define  STATUSF_IP3            (_ULCAST_(1) << 11)
 335 #define  STATUSB_IP4            12
 336 #define  STATUSF_IP4            (_ULCAST_(1) << 12)
 337 #define  STATUSB_IP5            13
 338 #define  STATUSF_IP5            (_ULCAST_(1) << 13)
 339 #define  STATUSB_IP6            14
 340 #define  STATUSF_IP6            (_ULCAST_(1) << 14)
 341 #define  STATUSB_IP7            15
 342 #define  STATUSF_IP7            (_ULCAST_(1) << 15)
 343 #define  STATUSB_IP8            0
 344 #define  STATUSF_IP8            (_ULCAST_(1) <<  0)
 345 #define  STATUSB_IP9            1
 346 #define  STATUSF_IP9            (_ULCAST_(1) <<  1)
 347 #define  STATUSB_IP10           2
 348 #define  STATUSF_IP10           (_ULCAST_(1) <<  2)
 349 #define  STATUSB_IP11           3
 350 #define  STATUSF_IP11           (_ULCAST_(1) <<  3)
 351 #define  STATUSB_IP12           4
 352 #define  STATUSF_IP12           (_ULCAST_(1) <<  4)
 353 #define  STATUSB_IP13           5
 354 #define  STATUSF_IP13           (_ULCAST_(1) <<  5)
 355 #define  STATUSB_IP14           6
 356 #define  STATUSF_IP14           (_ULCAST_(1) <<  6)
 357 #define  STATUSB_IP15           7
 358 #define  STATUSF_IP15           (_ULCAST_(1) <<  7)
 359 #define ST0_CH                  0x00040000
 360 #define ST0_NMI                 0x00080000
 361 #define ST0_SR                  0x00100000
 362 #define ST0_TS                  0x00200000
 363 #define ST0_BEV                 0x00400000
 364 #define ST0_RE                  0x02000000
 365 #define ST0_FR                  0x04000000
 366 #define ST0_CU                  0xf0000000
 367 #define ST0_CU0                 0x10000000
 368 #define ST0_CU1                 0x20000000
 369 #define ST0_CU2                 0x40000000
 370 #define ST0_CU3                 0x80000000
 371 #define ST0_XX                  0x80000000      /* MIPS IV naming */
 372
 373 /*
 374  * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
 375  */
 376 #define INTCTLB_IPFDC           23
 377 #define INTCTLF_IPFDC           (_ULCAST_(7) << INTCTLB_IPFDC)
 378 #define INTCTLB_IPPCI           26
 379 #define INTCTLF_IPPCI           (_ULCAST_(7) << INTCTLB_IPPCI)
 380 #define INTCTLB_IPTI            29
 381 #define INTCTLF_IPTI            (_ULCAST_(7) << INTCTLB_IPTI)
 382
 383 /*
 384  * Bitfields and bit numbers in the coprocessor 0 cause register.
 385  *
 386  * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
 387  */
 388 #define CAUSEB_EXCCODE          2
 389 #define CAUSEF_EXCCODE          (_ULCAST_(31)  <<  2)
 390 #define CAUSEB_IP               8
 391 #define CAUSEF_IP               (_ULCAST_(255) <<  8)
 392 #define  CAUSEB_IP0             8
 393 #define  CAUSEF_IP0             (_ULCAST_(1)   <<  8)
 394 #define  CAUSEB_IP1             9
 395 #define  CAUSEF_IP1             (_ULCAST_(1)   <<  9)
 396 #define  CAUSEB_IP2             10
 397 #define  CAUSEF_IP2             (_ULCAST_(1)   << 10)
 398 #define  CAUSEB_IP3             11
 399 #define  CAUSEF_IP3             (_ULCAST_(1)   << 11)
 400 #define  CAUSEB_IP4             12
 401 #define  CAUSEF_IP4             (_ULCAST_(1)   << 12)
 402 #define  CAUSEB_IP5             13
 403 #define  CAUSEF_IP5             (_ULCAST_(1)   << 13)
 404 #define  CAUSEB_IP6             14
 405 #define  CAUSEF_IP6             (_ULCAST_(1)   << 14)
 406 #define  CAUSEB_IP7             15
 407 #define  CAUSEF_IP7             (_ULCAST_(1)   << 15)
 408 #define CAUSEB_FDCI             21
 409 #define CAUSEF_FDCI             (_ULCAST_(1)   << 21)
 410 #define CAUSEB_WP               22
 411 #define CAUSEF_WP               (_ULCAST_(1)   << 22)
 412 #define CAUSEB_IV               23
 413 #define CAUSEF_IV               (_ULCAST_(1)   << 23)
 414 #define CAUSEB_PCI              26
 415 #define CAUSEF_PCI              (_ULCAST_(1)   << 26)
 416 #define CAUSEB_DC               27
 417 #define CAUSEF_DC               (_ULCAST_(1)   << 27)
 418 #define CAUSEB_CE               28
 419 #define CAUSEF_CE               (_ULCAST_(3)   << 28)
 420 #define CAUSEB_TI               30
 421 #define CAUSEF_TI               (_ULCAST_(1)   << 30)
 422 #define CAUSEB_BD               31
 423 #define CAUSEF_BD               (_ULCAST_(1)   << 31)
 424
 425 /*
 426  * Cause.ExcCode trap codes.
 427  */
 428 #define EXCCODE_INT             0       /* Interrupt pending */
 429 #define EXCCODE_MOD             1       /* TLB modified fault */
 430 #define EXCCODE_TLBL            2       /* TLB miss on load or ifetch */
 431 #define EXCCODE_TLBS            3       /* TLB miss on a store */
 432 #define EXCCODE_ADEL            4       /* Address error on a load or ifetch */
 433 #define EXCCODE_ADES            5       /* Address error on a store */
 434 #define EXCCODE_IBE             6       /* Bus error on an ifetch */
 435 #define EXCCODE_DBE             7       /* Bus error on a load or store */
 436 #define EXCCODE_SYS             8       /* System call */
 437 #define EXCCODE_BP              9       /* Breakpoint */
 438 #define EXCCODE_RI              10      /* Reserved instruction exception */
 439 #define EXCCODE_CPU             11      /* Coprocessor unusable */
 440 #define EXCCODE_OV              12      /* Arithmetic overflow */
 441 #define EXCCODE_TR              13      /* Trap instruction */
 442 #define EXCCODE_MSAFPE          14      /* MSA floating point exception */
 443 #define EXCCODE_FPE             15      /* Floating point exception */
 444 #define EXCCODE_TLBRI           19      /* TLB Read-Inhibit exception */
 445 #define EXCCODE_TLBXI           20      /* TLB Execution-Inhibit exception */
 446 #define EXCCODE_MSADIS          21      /* MSA disabled exception */
 447 #define EXCCODE_MDMX            22      /* MDMX unusable exception */
 448 #define EXCCODE_WATCH           23      /* Watch address reference */
 449 #define EXCCODE_MCHECK          24      /* Machine check */
 450 #define EXCCODE_THREAD          25      /* Thread exceptions (MT) */
 451 #define EXCCODE_DSPDIS          26      /* DSP disabled exception */
 452 #define EXCCODE_GE              27      /* Virtualized guest exception (VZ) */
 453
 454 /* Implementation specific trap codes used by MIPS cores */
 455 #define MIPS_EXCCODE_TLBPAR     16      /* TLB parity error exception */
 456
 457 /*
 458  * Bits in the coprocessor 0 config register.
 459  */
 460 /* Generic bits.  */
 461 #define CONF_CM_CACHABLE_NO_WA          0
 462 #define CONF_CM_CACHABLE_WA             1
 463 #define CONF_CM_UNCACHED                2
 464 #define CONF_CM_CACHABLE_NONCOHERENT    3
 465 #define CONF_CM_CACHABLE_CE             4
 466 #define CONF_CM_CACHABLE_COW            5
 467 #define CONF_CM_CACHABLE_CUW            6
 468 #define CONF_CM_CACHABLE_ACCELERATED    7
 469 #define CONF_CM_CMASK                   7
 470 #define CONF_BE                 (_ULCAST_(1) << 15)
 471
 472 /* Bits common to various processors.  */
 473 #define CONF_CU                 (_ULCAST_(1) <<  3)
 474 #define CONF_DB                 (_ULCAST_(1) <<  4)
 475 #define CONF_IB                 (_ULCAST_(1) <<  5)
 476 #define CONF_DC                 (_ULCAST_(7) <<  6)
 477 #define CONF_IC                 (_ULCAST_(7) <<  9)
 478 #define CONF_EB                 (_ULCAST_(1) << 13)
 479 #define CONF_EM                 (_ULCAST_(1) << 14)
 480 #define CONF_SM                 (_ULCAST_(1) << 16)
 481 #define CONF_SC                 (_ULCAST_(1) << 17)
 482 #define CONF_EW                 (_ULCAST_(3) << 18)
 483 #define CONF_EP                 (_ULCAST_(15)<< 24)
 484 #define CONF_EC                 (_ULCAST_(7) << 28)
 485 #define CONF_CM                 (_ULCAST_(1) << 31)
 486
 487 /* Bits specific to the R4xx0.  */
 488 #define R4K_CONF_SW             (_ULCAST_(1) << 20)
 489 #define R4K_CONF_SS             (_ULCAST_(1) << 21)
 490 #define R4K_CONF_SB             (_ULCAST_(3) << 22)
 491
 492 /* Bits specific to the R5000.  */
 493 #define R5K_CONF_SE             (_ULCAST_(1) << 12)
 494 #define R5K_CONF_SS             (_ULCAST_(3) << 20)
 495
 496 /* Bits specific to the RM7000.  */
 497 #define RM7K_CONF_SE            (_ULCAST_(1) <<  3)
 498 #define RM7K_CONF_TE            (_ULCAST_(1) << 12)
 499 #define RM7K_CONF_CLK           (_ULCAST_(1) << 16)
 500 #define RM7K_CONF_TC            (_ULCAST_(1) << 17)
 501 #define RM7K_CONF_SI            (_ULCAST_(3) << 20)
 502 #define RM7K_CONF_SC            (_ULCAST_(1) << 31)
 503
 504 /* Bits specific to the R10000.  */
 505 #define R10K_CONF_DN            (_ULCAST_(3) <<  3)
 506 #define R10K_CONF_CT            (_ULCAST_(1) <<  5)
 507 #define R10K_CONF_PE            (_ULCAST_(1) <<  6)
 508 #define R10K_CONF_PM            (_ULCAST_(3) <<  7)
 509 #define R10K_CONF_EC            (_ULCAST_(15)<<  9)
 510 #define R10K_CONF_SB            (_ULCAST_(1) << 13)
 511 #define R10K_CONF_SK            (_ULCAST_(1) << 14)
 512 #define R10K_CONF_SS            (_ULCAST_(7) << 16)
 513 #define R10K_CONF_SC            (_ULCAST_(7) << 19)
 514 #define R10K_CONF_DC            (_ULCAST_(7) << 26)
 515 #define R10K_CONF_IC            (_ULCAST_(7) << 29)
 516
 517 /* Bits specific to the VR41xx.  */
 518 #define VR41_CONF_CS            (_ULCAST_(1) << 12)
 519 #define VR41_CONF_P4K           (_ULCAST_(1) << 13)
 520 #define VR41_CONF_BP            (_ULCAST_(1) << 16)
 521 #define VR41_CONF_M16           (_ULCAST_(1) << 20)
 522 #define VR41_CONF_AD            (_ULCAST_(1) << 23)
 523
 524 /* Bits specific to the R30xx.  */
 525 #define R30XX_CONF_FDM          (_ULCAST_(1) << 19)
 526 #define R30XX_CONF_REV          (_ULCAST_(1) << 22)
 527 #define R30XX_CONF_AC           (_ULCAST_(1) << 23)
 528 #define R30XX_CONF_RF           (_ULCAST_(1) << 24)
 529 #define R30XX_CONF_HALT         (_ULCAST_(1) << 25)
 530 #define R30XX_CONF_FPINT        (_ULCAST_(7) << 26)
 531 #define R30XX_CONF_DBR          (_ULCAST_(1) << 29)
 532 #define R30XX_CONF_SB           (_ULCAST_(1) << 30)
 533 #define R30XX_CONF_LOCK         (_ULCAST_(1) << 31)
 534
 535 /* Bits specific to the TX49.  */
 536 #define TX49_CONF_DC            (_ULCAST_(1) << 16)
 537 #define TX49_CONF_IC            (_ULCAST_(1) << 17)  /* conflict with CONF_SC */
 538 #define TX49_CONF_HALT          (_ULCAST_(1) << 18)
 539 #define TX49_CONF_CWFON         (_ULCAST_(1) << 27)
 540
 541 /* Bits specific to the MIPS32/64 PRA.  */
 542 #define MIPS_CONF_VI            (_ULCAST_(1) <<  3)
 543 #define MIPS_CONF_MT            (_ULCAST_(7) <<  7)
 544 #define MIPS_CONF_MT_TLB        (_ULCAST_(1) <<  7)
 545 #define MIPS_CONF_MT_FTLB       (_ULCAST_(4) <<  7)
 546 #define MIPS_CONF_AR            (_ULCAST_(7) << 10)
 547 #define MIPS_CONF_AT            (_ULCAST_(3) << 13)
 548 #define MIPS_CONF_M             (_ULCAST_(1) << 31)
 549
 550 /*
 551  * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
 552  */
 553 #define MIPS_CONF1_FP           (_ULCAST_(1) <<  0)
 554 #define MIPS_CONF1_EP           (_ULCAST_(1) <<  1)
 555 #define MIPS_CONF1_CA           (_ULCAST_(1) <<  2)
 556 #define MIPS_CONF1_WR           (_ULCAST_(1) <<  3)
 557 #define MIPS_CONF1_PC           (_ULCAST_(1) <<  4)
 558 #define MIPS_CONF1_MD           (_ULCAST_(1) <<  5)
 559 #define MIPS_CONF1_C2           (_ULCAST_(1) <<  6)
 560 #define MIPS_CONF1_DA_SHF       7
 561 #define MIPS_CONF1_DA_SZ        3
 562 #define MIPS_CONF1_DA           (_ULCAST_(7) <<  7)
 563 #define MIPS_CONF1_DL_SHF       10
 564 #define MIPS_CONF1_DL_SZ        3
 565 #define MIPS_CONF1_DL           (_ULCAST_(7) << 10)
 566 #define MIPS_CONF1_DS_SHF       13
 567 #define MIPS_CONF1_DS_SZ        3
 568 #define MIPS_CONF1_DS           (_ULCAST_(7) << 13)
 569 #define MIPS_CONF1_IA_SHF       16
 570 #define MIPS_CONF1_IA_SZ        3
 571 #define MIPS_CONF1_IA           (_ULCAST_(7) << 16)
 572 #define MIPS_CONF1_IL_SHF       19
 573 #define MIPS_CONF1_IL_SZ        3
 574 #define MIPS_CONF1_IL           (_ULCAST_(7) << 19)
 575 #define MIPS_CONF1_IS_SHF       22
 576 #define MIPS_CONF1_IS_SZ        3
 577 #define MIPS_CONF1_IS           (_ULCAST_(7) << 22)
 578 #define MIPS_CONF1_TLBS_SHIFT   (25)
 579 #define MIPS_CONF1_TLBS_SIZE    (6)
 580 #define MIPS_CONF1_TLBS         (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
 581
 582 #define MIPS_CONF2_SA           (_ULCAST_(15)<<  0)
 583 #define MIPS_CONF2_SL           (_ULCAST_(15)<<  4)
 584 #define MIPS_CONF2_SS           (_ULCAST_(15)<<  8)
 585 #define MIPS_CONF2_SU           (_ULCAST_(15)<< 12)
 586 #define MIPS_CONF2_TA           (_ULCAST_(15)<< 16)
 587 #define MIPS_CONF2_TL           (_ULCAST_(15)<< 20)
 588 #define MIPS_CONF2_TS           (_ULCAST_(15)<< 24)
 589 #define MIPS_CONF2_TU           (_ULCAST_(7) << 28)
 590
 591 #define MIPS_CONF3_TL           (_ULCAST_(1) <<  0)
 592 #define MIPS_CONF3_SM           (_ULCAST_(1) <<  1)
 593 #define MIPS_CONF3_MT           (_ULCAST_(1) <<  2)
 594 #define MIPS_CONF3_CDMM         (_ULCAST_(1) <<  3)
 595 #define MIPS_CONF3_SP           (_ULCAST_(1) <<  4)
 596 #define MIPS_CONF3_VINT         (_ULCAST_(1) <<  5)
 597 #define MIPS_CONF3_VEIC         (_ULCAST_(1) <<  6)
 598 #define MIPS_CONF3_LPA          (_ULCAST_(1) <<  7)
 599 #define MIPS_CONF3_ITL          (_ULCAST_(1) <<  8)
 600 #define MIPS_CONF3_CTXTC        (_ULCAST_(1) <<  9)
 601 #define MIPS_CONF3_DSP          (_ULCAST_(1) << 10)
 602 #define MIPS_CONF3_DSP2P        (_ULCAST_(1) << 11)
 603 #define MIPS_CONF3_RXI          (_ULCAST_(1) << 12)
 604 #define MIPS_CONF3_ULRI         (_ULCAST_(1) << 13)
 605 #define MIPS_CONF3_ISA          (_ULCAST_(3) << 14)
 606 #define MIPS_CONF3_ISA_OE       (_ULCAST_(1) << 16)
 607 #define MIPS_CONF3_MCU          (_ULCAST_(1) << 17)
 608 #define MIPS_CONF3_MMAR         (_ULCAST_(7) << 18)
 609 #define MIPS_CONF3_IPLW         (_ULCAST_(3) << 21)
 610 #define MIPS_CONF3_VZ           (_ULCAST_(1) << 23)
 611 #define MIPS_CONF3_PW           (_ULCAST_(1) << 24)
 612 #define MIPS_CONF3_SC           (_ULCAST_(1) << 25)
 613 #define MIPS_CONF3_BI           (_ULCAST_(1) << 26)
 614 #define MIPS_CONF3_BP           (_ULCAST_(1) << 27)
 615 #define MIPS_CONF3_MSA          (_ULCAST_(1) << 28)
 616 #define MIPS_CONF3_CMGCR        (_ULCAST_(1) << 29)
 617 #define MIPS_CONF3_BPG          (_ULCAST_(1) << 30)
 618
 619 #define MIPS_CONF4_MMUSIZEEXT_SHIFT     (0)
 620 #define MIPS_CONF4_MMUSIZEEXT   (_ULCAST_(255) << 0)
 621 #define MIPS_CONF4_FTLBSETS_SHIFT       (0)
 622 #define MIPS_CONF4_FTLBSETS     (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
 623 #define MIPS_CONF4_FTLBWAYS_SHIFT       (4)
 624 #define MIPS_CONF4_FTLBWAYS     (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
 625 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT   (8)
 626 /* bits 10:8 in FTLB-only configurations */
 627 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
 628 /* bits 12:8 in VTLB-FTLB only configurations */
 629 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
 630 #define MIPS_CONF4_MMUEXTDEF    (_ULCAST_(3) << 14)
 631 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
 632 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT        (_ULCAST_(2) << 14)
 633 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT        (_ULCAST_(3) << 14)
 634 #define MIPS_CONF4_KSCREXIST_SHIFT      (16)
 635 #define MIPS_CONF4_KSCREXIST    (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
 636 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT    (24)
 637 #define MIPS_CONF4_VTLBSIZEEXT  (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
 638 #define MIPS_CONF4_AE           (_ULCAST_(1) << 28)
 639 #define MIPS_CONF4_IE           (_ULCAST_(3) << 29)
 640 #define MIPS_CONF4_TLBINV       (_ULCAST_(2) << 29)
 641
 642 #define MIPS_CONF5_NF           (_ULCAST_(1) << 0)
 643 #define MIPS_CONF5_UFR          (_ULCAST_(1) << 2)
 644 #define MIPS_CONF5_MRP          (_ULCAST_(1) << 3)
 645 #define MIPS_CONF5_LLB          (_ULCAST_(1) << 4)
 646 #define MIPS_CONF5_MVH          (_ULCAST_(1) << 5)
 647 #define MIPS_CONF5_VP           (_ULCAST_(1) << 7)
 648 #define MIPS_CONF5_FRE          (_ULCAST_(1) << 8)
 649 #define MIPS_CONF5_UFE          (_ULCAST_(1) << 9)
 650 #define MIPS_CONF5_MSAEN        (_ULCAST_(1) << 27)
 651 #define MIPS_CONF5_EVA          (_ULCAST_(1) << 28)
 652 #define MIPS_CONF5_CV           (_ULCAST_(1) << 29)
 653 #define MIPS_CONF5_K            (_ULCAST_(1) << 30)
 654
 655 #define MIPS_CONF6_SYND         (_ULCAST_(1) << 13)
 656 /* proAptiv FTLB on/off bit */
 657 #define MIPS_CONF6_FTLBEN       (_ULCAST_(1) << 15)
 658 /* Loongson-3 FTLB on/off bit */
 659 #define MIPS_CONF6_FTLBDIS      (_ULCAST_(1) << 22)
 660 /* FTLB probability bits */
 661 #define MIPS_CONF6_FTLBP_SHIFT  (16)
 662
 663 #define MIPS_CONF7_WII          (_ULCAST_(1) << 31)
 664
 665 #define MIPS_CONF7_RPS          (_ULCAST_(1) << 2)
 666
 667 #define MIPS_CONF7_IAR          (_ULCAST_(1) << 10)
 668 #define MIPS_CONF7_AR           (_ULCAST_(1) << 16)
 669
 670 /* WatchLo* register definitions */
 671 #define MIPS_WATCHLO_IRW        (_ULCAST_(0x7) << 0)
 672
 673 /* WatchHi* register definitions */
 674 #define MIPS_WATCHHI_M          (_ULCAST_(1) << 31)
 675 #define MIPS_WATCHHI_G          (_ULCAST_(1) << 30)
 676 #define MIPS_WATCHHI_WM         (_ULCAST_(0x3) << 28)
 677 #define MIPS_WATCHHI_WM_R_RVA   (_ULCAST_(0) << 28)
 678 #define MIPS_WATCHHI_WM_R_GPA   (_ULCAST_(1) << 28)
 679 #define MIPS_WATCHHI_WM_G_GVA   (_ULCAST_(2) << 28)
 680 #define MIPS_WATCHHI_EAS        (_ULCAST_(0x3) << 24)
 681 #define MIPS_WATCHHI_ASID       (_ULCAST_(0xff) << 16)
 682 #define MIPS_WATCHHI_MASK       (_ULCAST_(0x1ff) << 3)
 683 #define MIPS_WATCHHI_I          (_ULCAST_(1) << 2)
 684 #define MIPS_WATCHHI_R          (_ULCAST_(1) << 1)
 685 #define MIPS_WATCHHI_W          (_ULCAST_(1) << 0)
 686 #define MIPS_WATCHHI_IRW        (_ULCAST_(0x7) << 0)
 687
 688 /* MAAR bit definitions */
 689 #define MIPS_MAAR_ADDR          ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
 690 #define MIPS_MAAR_ADDR_SHIFT    12
 691 #define MIPS_MAAR_S             (_ULCAST_(1) << 1)
 692 #define MIPS_MAAR_V             (_ULCAST_(1) << 0)
 693
 694 /* EBase bit definitions */
 695 #define MIPS_EBASE_CPUNUM_SHIFT 0
 696 #define MIPS_EBASE_CPUNUM       (_ULCAST_(0x3ff) << 0)
 697 #define MIPS_EBASE_WG_SHIFT     11
 698 #define MIPS_EBASE_WG           (_ULCAST_(1) << 11)
 699 #define MIPS_EBASE_BASE_SHIFT   12
 700 #define MIPS_EBASE_BASE         (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
 701
 702 /* CMGCRBase bit definitions */
 703 #define MIPS_CMGCRB_BASE        11
 704 #define MIPS_CMGCRF_BASE        (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
 705
 706 /*
 707  * Bits in the MIPS32 Memory Segmentation registers.
 708  */
 709 #define MIPS_SEGCFG_PA_SHIFT    9
 710 #define MIPS_SEGCFG_PA          (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
 711 #define MIPS_SEGCFG_AM_SHIFT    4
 712 #define MIPS_SEGCFG_AM          (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
 713 #define MIPS_SEGCFG_EU_SHIFT    3
 714 #define MIPS_SEGCFG_EU          (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
 715 #define MIPS_SEGCFG_C_SHIFT     0
 716 #define MIPS_SEGCFG_C           (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
 717
 718 #define MIPS_SEGCFG_UUSK        _ULCAST_(7)
 719 #define MIPS_SEGCFG_USK         _ULCAST_(5)
 720 #define MIPS_SEGCFG_MUSUK       _ULCAST_(4)
 721 #define MIPS_SEGCFG_MUSK        _ULCAST_(3)
 722 #define MIPS_SEGCFG_MSK         _ULCAST_(2)
 723 #define MIPS_SEGCFG_MK          _ULCAST_(1)
 724 #define MIPS_SEGCFG_UK          _ULCAST_(0)
 725
 726 #define MIPS_PWFIELD_GDI_SHIFT  24
 727 #define MIPS_PWFIELD_GDI_MASK   0x3f000000
 728 #define MIPS_PWFIELD_UDI_SHIFT  18
 729 #define MIPS_PWFIELD_UDI_MASK   0x00fc0000
 730 #define MIPS_PWFIELD_MDI_SHIFT  12
 731 #define MIPS_PWFIELD_MDI_MASK   0x0003f000
 732 #define MIPS_PWFIELD_PTI_SHIFT  6
 733 #define MIPS_PWFIELD_PTI_MASK   0x00000fc0
 734 #define MIPS_PWFIELD_PTEI_SHIFT 0
 735 #define MIPS_PWFIELD_PTEI_MASK  0x0000003f
 736
 737 #define MIPS_PWSIZE_PS_SHIFT    30
 738 #define MIPS_PWSIZE_PS_MASK     0x40000000
 739 #define MIPS_PWSIZE_GDW_SHIFT   24
 740 #define MIPS_PWSIZE_GDW_MASK    0x3f000000
 741 #define MIPS_PWSIZE_UDW_SHIFT   18
 742 #define MIPS_PWSIZE_UDW_MASK    0x00fc0000
 743 #define MIPS_PWSIZE_MDW_SHIFT   12
 744 #define MIPS_PWSIZE_MDW_MASK    0x0003f000
 745 #define MIPS_PWSIZE_PTW_SHIFT   6
 746 #define MIPS_PWSIZE_PTW_MASK    0x00000fc0
 747 #define MIPS_PWSIZE_PTEW_SHIFT  0
 748 #define MIPS_PWSIZE_PTEW_MASK   0x0000003f
 749
 750 #define MIPS_PWCTL_PWEN_SHIFT   31
 751 #define MIPS_PWCTL_PWEN_MASK    0x80000000
 752 #define MIPS_PWCTL_XK_SHIFT     28
 753 #define MIPS_PWCTL_XK_MASK      0x10000000
 754 #define MIPS_PWCTL_XS_SHIFT     27
 755 #define MIPS_PWCTL_XS_MASK      0x08000000
 756 #define MIPS_PWCTL_XU_SHIFT     26
 757 #define MIPS_PWCTL_XU_MASK      0x04000000
 758 #define MIPS_PWCTL_DPH_SHIFT    7
 759 #define MIPS_PWCTL_DPH_MASK     0x00000080
 760 #define MIPS_PWCTL_HUGEPG_SHIFT 6
 761 #define MIPS_PWCTL_HUGEPG_MASK  0x00000060
 762 #define MIPS_PWCTL_PSN_SHIFT    0
 763 #define MIPS_PWCTL_PSN_MASK     0x0000003f
 764
 765 /* GuestCtl0 fields */
 766 #define MIPS_GCTL0_GM_SHIFT     31
 767 #define MIPS_GCTL0_GM           (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
 768 #define MIPS_GCTL0_RI_SHIFT     30
 769 #define MIPS_GCTL0_RI           (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
 770 #define MIPS_GCTL0_MC_SHIFT     29
 771 #define MIPS_GCTL0_MC           (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
 772 #define MIPS_GCTL0_CP0_SHIFT    28
 773 #define MIPS_GCTL0_CP0          (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
 774 #define MIPS_GCTL0_AT_SHIFT     26
 775 #define MIPS_GCTL0_AT           (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
 776 #define MIPS_GCTL0_GT_SHIFT     25
 777 #define MIPS_GCTL0_GT           (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
 778 #define MIPS_GCTL0_CG_SHIFT     24
 779 #define MIPS_GCTL0_CG           (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
 780 #define MIPS_GCTL0_CF_SHIFT     23
 781 #define MIPS_GCTL0_CF           (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
 782 #define MIPS_GCTL0_G1_SHIFT     22
 783 #define MIPS_GCTL0_G1           (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
 784 #define MIPS_GCTL0_G0E_SHIFT    19
 785 #define MIPS_GCTL0_G0E          (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
 786 #define MIPS_GCTL0_PT_SHIFT     18
 787 #define MIPS_GCTL0_PT           (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
 788 #define MIPS_GCTL0_RAD_SHIFT    9
 789 #define MIPS_GCTL0_RAD          (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
 790 #define MIPS_GCTL0_DRG_SHIFT    8
 791 #define MIPS_GCTL0_DRG          (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
 792 #define MIPS_GCTL0_G2_SHIFT     7
 793 #define MIPS_GCTL0_G2           (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
 794 #define MIPS_GCTL0_GEXC_SHIFT   2
 795 #define MIPS_GCTL0_GEXC         (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
 796 #define MIPS_GCTL0_SFC2_SHIFT   1
 797 #define MIPS_GCTL0_SFC2         (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
 798 #define MIPS_GCTL0_SFC1_SHIFT   0
 799 #define MIPS_GCTL0_SFC1         (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
 800
 801 /* GuestCtl0.AT Guest address translation control */
 802 #define MIPS_GCTL0_AT_ROOT      1  /* Guest MMU under Root control */
 803 #define MIPS_GCTL0_AT_GUEST     3  /* Guest MMU under Guest control */
 804
 805 /* GuestCtl0.GExcCode Hypervisor exception cause codes */
 806 #define MIPS_GCTL0_GEXC_GPSI    0  /* Guest Privileged Sensitive Instruction */
 807 #define MIPS_GCTL0_GEXC_GSFC    1  /* Guest Software Field Change */
 808 #define MIPS_GCTL0_GEXC_HC      2  /* Hypercall */
 809 #define MIPS_GCTL0_GEXC_GRR     3  /* Guest Reserved Instruction Redirect */
 810 #define MIPS_GCTL0_GEXC_GVA     8  /* Guest Virtual Address available */
 811 #define MIPS_GCTL0_GEXC_GHFC    9  /* Guest Hardware Field Change */
 812 #define MIPS_GCTL0_GEXC_GPA     10 /* Guest Physical Address available */
 813
 814 /* GuestCtl0Ext fields */
 815 #define MIPS_GCTL0EXT_RPW_SHIFT 8
 816 #define MIPS_GCTL0EXT_RPW       (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
 817 #define MIPS_GCTL0EXT_NCC_SHIFT 6
 818 #define MIPS_GCTL0EXT_NCC       (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
 819 #define MIPS_GCTL0EXT_CGI_SHIFT 4
 820 #define MIPS_GCTL0EXT_CGI       (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
 821 #define MIPS_GCTL0EXT_FCD_SHIFT 3
 822 #define MIPS_GCTL0EXT_FCD       (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
 823 #define MIPS_GCTL0EXT_OG_SHIFT  2
 824 #define MIPS_GCTL0EXT_OG        (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
 825 #define MIPS_GCTL0EXT_BG_SHIFT  1
 826 #define MIPS_GCTL0EXT_BG        (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
 827 #define MIPS_GCTL0EXT_MG_SHIFT  0
 828 #define MIPS_GCTL0EXT_MG        (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
 829
 830 /* GuestCtl0Ext.RPW Root page walk configuration */
 831 #define MIPS_GCTL0EXT_RPW_BOTH  0  /* Root PW for GPA->RPA and RVA->RPA */
 832 #define MIPS_GCTL0EXT_RPW_GPA   2  /* Root PW for GPA->RPA */
 833 #define MIPS_GCTL0EXT_RPW_RVA   3  /* Root PW for RVA->RPA */
 834
 835 /* GuestCtl0Ext.NCC Nested cache coherency attributes */
 836 #define MIPS_GCTL0EXT_NCC_IND   0  /* Guest CCA independent of Root CCA */
 837 #define MIPS_GCTL0EXT_NCC_MOD   1  /* Guest CCA modified by Root CCA */
 838
 839 /* GuestCtl1 fields */
 840 #define MIPS_GCTL1_ID_SHIFT     0
 841 #define MIPS_GCTL1_ID_WIDTH     8
 842 #define MIPS_GCTL1_ID           (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
 843 #define MIPS_GCTL1_RID_SHIFT    16
 844 #define MIPS_GCTL1_RID_WIDTH    8
 845 #define MIPS_GCTL1_RID          (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
 846 #define MIPS_GCTL1_EID_SHIFT    24
 847 #define MIPS_GCTL1_EID_WIDTH    8
 848 #define MIPS_GCTL1_EID          (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
 849
 850 /* GuestID reserved for root context */
 851 #define MIPS_GCTL1_ROOT_GUESTID 0
 852
 853 /* CDMMBase register bit definitions */
 854 #define MIPS_CDMMBASE_SIZE_SHIFT 0
 855 #define MIPS_CDMMBASE_SIZE      (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
 856 #define MIPS_CDMMBASE_CI        (_ULCAST_(1) << 9)
 857 #define MIPS_CDMMBASE_EN        (_ULCAST_(1) << 10)
 858 #define MIPS_CDMMBASE_ADDR_SHIFT 11
 859 #define MIPS_CDMMBASE_ADDR_START 15
 860
 861 /* RDHWR register numbers */
 862 #define MIPS_HWR_CPUNUM         0       /* CPU number */
 863 #define MIPS_HWR_SYNCISTEP      1       /* SYNCI step size */
 864 #define MIPS_HWR_CC             2       /* Cycle counter */
 865 #define MIPS_HWR_CCRES          3       /* Cycle counter resolution */
 866 #define MIPS_HWR_ULR            29      /* UserLocal */
 867 #define MIPS_HWR_IMPL1          30      /* Implementation dependent */
 868 #define MIPS_HWR_IMPL2          31      /* Implementation dependent */
 869
 870 /* Bits in HWREna register */
 871 #define MIPS_HWRENA_CPUNUM      (_ULCAST_(1) << MIPS_HWR_CPUNUM)
 872 #define MIPS_HWRENA_SYNCISTEP   (_ULCAST_(1) << MIPS_HWR_SYNCISTEP)
 873 #define MIPS_HWRENA_CC          (_ULCAST_(1) << MIPS_HWR_CC)
 874 #define MIPS_HWRENA_CCRES       (_ULCAST_(1) << MIPS_HWR_CCRES)
 875 #define MIPS_HWRENA_ULR         (_ULCAST_(1) << MIPS_HWR_ULR)
 876 #define MIPS_HWRENA_IMPL1       (_ULCAST_(1) << MIPS_HWR_IMPL1)
 877 #define MIPS_HWRENA_IMPL2       (_ULCAST_(1) << MIPS_HWR_IMPL2)
 878
 879 /*
 880  * Bitfields in the TX39 family CP0 Configuration Register 3
 881  */
 882 #define TX39_CONF_ICS_SHIFT     19
 883 #define TX39_CONF_ICS_MASK      0x00380000
 884 #define TX39_CONF_ICS_1KB       0x00000000
 885 #define TX39_CONF_ICS_2KB       0x00080000
 886 #define TX39_CONF_ICS_4KB       0x00100000
 887 #define TX39_CONF_ICS_8KB       0x00180000
 888 #define TX39_CONF_ICS_16KB      0x00200000
 889
 890 #define TX39_CONF_DCS_SHIFT     16
 891 #define TX39_CONF_DCS_MASK      0x00070000
 892 #define TX39_CONF_DCS_1KB       0x00000000
 893 #define TX39_CONF_DCS_2KB       0x00010000
 894 #define TX39_CONF_DCS_4KB       0x00020000
 895 #define TX39_CONF_DCS_8KB       0x00030000
 896 #define TX39_CONF_DCS_16KB      0x00040000
 897
 898 #define TX39_CONF_CWFON         0x00004000
 899 #define TX39_CONF_WBON          0x00002000
 900 #define TX39_CONF_RF_SHIFT      10
 901 #define TX39_CONF_RF_MASK       0x00000c00
 902 #define TX39_CONF_DOZE          0x00000200
 903 #define TX39_CONF_HALT          0x00000100
 904 #define TX39_CONF_LOCK          0x00000080
 905 #define TX39_CONF_ICE           0x00000020
 906 #define TX39_CONF_DCE           0x00000010
 907 #define TX39_CONF_IRSIZE_SHIFT  2
 908 #define TX39_CONF_IRSIZE_MASK   0x0000000c
 909 #define TX39_CONF_DRSIZE_SHIFT  0
 910 #define TX39_CONF_DRSIZE_MASK   0x00000003
 911
 912 /*
 913  * Interesting Bits in the R10K CP0 Branch Diagnostic Register
 914  */
 915 /* Disable Branch Target Address Cache */
 916 #define R10K_DIAG_D_BTAC        (_ULCAST_(1) << 27)
 917 /* Enable Branch Prediction Global History */
 918 #define R10K_DIAG_E_GHIST       (_ULCAST_(1) << 26)
 919 /* Disable Branch Return Cache */
 920 #define R10K_DIAG_D_BRC         (_ULCAST_(1) << 22)
 921
 922 /* Flush ITLB */
 923 #define LOONGSON_DIAG_ITLB      (_ULCAST_(1) << 2)
 924 /* Flush DTLB */
 925 #define LOONGSON_DIAG_DTLB      (_ULCAST_(1) << 3)
 926 /* Flush VTLB */
 927 #define LOONGSON_DIAG_VTLB      (_ULCAST_(1) << 12)
 928 /* Flush FTLB */
 929 #define LOONGSON_DIAG_FTLB      (_ULCAST_(1) << 13)
 930
 931 /*
 932  * Coprocessor 1 (FPU) register names
 933  */
 934 #define CP1_REVISION    $0
 935 #define CP1_UFR         $1
 936 #define CP1_UNFR        $4
 937 #define CP1_FCCR        $25
 938 #define CP1_FEXR        $26
 939 #define CP1_FENR        $28
 940 #define CP1_STATUS      $31
 941
 942
 943 /*
 944  * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
 945  */
 946 #define MIPS_FPIR_S             (_ULCAST_(1) << 16)
 947 #define MIPS_FPIR_D             (_ULCAST_(1) << 17)
 948 #define MIPS_FPIR_PS            (_ULCAST_(1) << 18)
 949 #define MIPS_FPIR_3D            (_ULCAST_(1) << 19)
 950 #define MIPS_FPIR_W             (_ULCAST_(1) << 20)
 951 #define MIPS_FPIR_L             (_ULCAST_(1) << 21)
 952 #define MIPS_FPIR_F64           (_ULCAST_(1) << 22)
 953 #define MIPS_FPIR_HAS2008       (_ULCAST_(1) << 23)
 954 #define MIPS_FPIR_UFRP          (_ULCAST_(1) << 28)
 955 #define MIPS_FPIR_FREP          (_ULCAST_(1) << 29)
 956
 957 /*
 958  * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
 959  */
 960 #define MIPS_FCCR_CONDX_S       0
 961 #define MIPS_FCCR_CONDX         (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
 962 #define MIPS_FCCR_COND0_S       0
 963 #define MIPS_FCCR_COND0         (_ULCAST_(1) << MIPS_FCCR_COND0_S)
 964 #define MIPS_FCCR_COND1_S       1
 965 #define MIPS_FCCR_COND1         (_ULCAST_(1) << MIPS_FCCR_COND1_S)
 966 #define MIPS_FCCR_COND2_S       2
 967 #define MIPS_FCCR_COND2         (_ULCAST_(1) << MIPS_FCCR_COND2_S)
 968 #define MIPS_FCCR_COND3_S       3
 969 #define MIPS_FCCR_COND3         (_ULCAST_(1) << MIPS_FCCR_COND3_S)
 970 #define MIPS_FCCR_COND4_S       4
 971 #define MIPS_FCCR_COND4         (_ULCAST_(1) << MIPS_FCCR_COND4_S)
 972 #define MIPS_FCCR_COND5_S       5
 973 #define MIPS_FCCR_COND5         (_ULCAST_(1) << MIPS_FCCR_COND5_S)
 974 #define MIPS_FCCR_COND6_S       6
 975 #define MIPS_FCCR_COND6         (_ULCAST_(1) << MIPS_FCCR_COND6_S)
 976 #define MIPS_FCCR_COND7_S       7
 977 #define MIPS_FCCR_COND7         (_ULCAST_(1) << MIPS_FCCR_COND7_S)
 978
 979 /*
 980  * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
 981  */
 982 #define MIPS_FENR_FS_S          2
 983 #define MIPS_FENR_FS            (_ULCAST_(1) << MIPS_FENR_FS_S)
 984
 985 /*
 986  * FPU Status Register Values
 987  */
 988 #define FPU_CSR_COND_S  23                                      /* $fcc0 */
 989 #define FPU_CSR_COND    (_ULCAST_(1) << FPU_CSR_COND_S)
 990
 991 #define FPU_CSR_FS_S    24              /* flush denormalised results to 0 */
 992 #define FPU_CSR_FS      (_ULCAST_(1) << FPU_CSR_FS_S)
 993
 994 #define FPU_CSR_CONDX_S 25                                      /* $fcc[7:1] */
 995 #define FPU_CSR_CONDX   (_ULCAST_(127) << FPU_CSR_CONDX_S)
 996 #define FPU_CSR_COND1_S 25                                      /* $fcc1 */
 997 #define FPU_CSR_COND1   (_ULCAST_(1) << FPU_CSR_COND1_S)
 998 #define FPU_CSR_COND2_S 26                                      /* $fcc2 */
 999 #define FPU_CSR_COND2   (_ULCAST_(1) << FPU_CSR_COND2_S)
1000 #define FPU_CSR_COND3_S 27                                      /* $fcc3 */
1001 #define FPU_CSR_COND3   (_ULCAST_(1) << FPU_CSR_COND3_S)
1002 #define FPU_CSR_COND4_S 28                                      /* $fcc4 */
1003 #define FPU_CSR_COND4   (_ULCAST_(1) << FPU_CSR_COND4_S)
1004 #define FPU_CSR_COND5_S 29                                      /* $fcc5 */
1005 #define FPU_CSR_COND5   (_ULCAST_(1) << FPU_CSR_COND5_S)
1006 #define FPU_CSR_COND6_S 30                                      /* $fcc6 */
1007 #define FPU_CSR_COND6   (_ULCAST_(1) << FPU_CSR_COND6_S)
1008 #define FPU_CSR_COND7_S 31                                      /* $fcc7 */
1009 #define FPU_CSR_COND7   (_ULCAST_(1) << FPU_CSR_COND7_S)
1010
1011 /*
1012  * Bits 22:20 of the FPU Status Register will be read as 0,
1013  * and should be written as zero.
1014  */
1015 #define FPU_CSR_RSVD    (_ULCAST_(7) << 20)
1016
1017 #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
1018 #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
1019
1020 /*
1021  * X the exception cause indicator
1022  * E the exception enable
1023  * S the sticky/flag bit
1024 */
1025 #define FPU_CSR_ALL_X   0x0003f000
1026 #define FPU_CSR_UNI_X   0x00020000
1027 #define FPU_CSR_INV_X   0x00010000
1028 #define FPU_CSR_DIV_X   0x00008000
1029 #define FPU_CSR_OVF_X   0x00004000
1030 #define FPU_CSR_UDF_X   0x00002000
1031 #define FPU_CSR_INE_X   0x00001000
1032
1033 #define FPU_CSR_ALL_E   0x00000f80
1034 #define FPU_CSR_INV_E   0x00000800
1035 #define FPU_CSR_DIV_E   0x00000400
1036 #define FPU_CSR_OVF_E   0x00000200
1037 #define FPU_CSR_UDF_E   0x00000100
1038 #define FPU_CSR_INE_E   0x00000080
1039
1040 #define FPU_CSR_ALL_S   0x0000007c
1041 #define FPU_CSR_INV_S   0x00000040
1042 #define FPU_CSR_DIV_S   0x00000020
1043 #define FPU_CSR_OVF_S   0x00000010
1044 #define FPU_CSR_UDF_S   0x00000008
1045 #define FPU_CSR_INE_S   0x00000004
1046
1047 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1048 #define FPU_CSR_RM      0x00000003
1049 #define FPU_CSR_RN      0x0     /* nearest */
1050 #define FPU_CSR_RZ      0x1     /* towards zero */
1051 #define FPU_CSR_RU      0x2     /* towards +Infinity */
1052 #define FPU_CSR_RD      0x3     /* towards -Infinity */
1053
1054
1055 #ifndef __ASSEMBLY__
1056
1057 /*
1058  * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
1059  */
1060 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1061     defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
1062 #define get_isa16_mode(x)               ((x) & 0x1)
1063 #define msk_isa16_mode(x)               ((x) & ~0x1)
1064 #define set_isa16_mode(x)               do { (x) |= 0x1; } while(0)
1065 #else
1066 #define get_isa16_mode(x)               0
1067 #define msk_isa16_mode(x)               (x)
1068 #define set_isa16_mode(x)               do { } while(0)
1069 #endif
1070
1071 /*
1072  * microMIPS instructions can be 16-bit or 32-bit in length. This
1073  * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1074  */
1075 static inline int mm_insn_16bit(u16 insn)
1076 {
1077         u16 opcode = (insn >> 10) & 0x7;
1078
1079         return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1080 }
1081
1082 /*
1083  * Helper macros for generating raw instruction encodings in inline asm.
1084  */
1085 #ifdef CONFIG_CPU_MICROMIPS
1086 #define _ASM_INSN16_IF_MM(_enc)                 \
1087         ".insn\n\t"                             \
1088         ".hword (" #_enc ")\n\t"
1089 #define _ASM_INSN32_IF_MM(_enc)                 \
1090         ".insn\n\t"                             \
1091         ".hword ((" #_enc ") >> 16)\n\t"        \
1092         ".hword ((" #_enc ") & 0xffff)\n\t"
1093 #else
1094 #define _ASM_INSN_IF_MIPS(_enc)                 \
1095         ".insn\n\t"                             \
1096         ".word (" #_enc ")\n\t"
1097 #endif
1098
1099 #ifndef _ASM_INSN16_IF_MM
1100 #define _ASM_INSN16_IF_MM(_enc)
1101 #endif
1102 #ifndef _ASM_INSN32_IF_MM
1103 #define _ASM_INSN32_IF_MM(_enc)
1104 #endif
1105 #ifndef _ASM_INSN_IF_MIPS
1106 #define _ASM_INSN_IF_MIPS(_enc)
1107 #endif
1108
1109 /*
1110  * TLB Invalidate Flush
1111  */
1112 static inline void tlbinvf(void)
1113 {
1114         __asm__ __volatile__(
1115                 ".set push\n\t"
1116                 ".set noreorder\n\t"
1117                 "# tlbinvf\n\t"
1118                 _ASM_INSN_IF_MIPS(0x42000004)
1119                 _ASM_INSN32_IF_MM(0x0000537c)
1120                 ".set pop");
1121 }
1122
1123
1124 /*
1125  * Functions to access the R10000 performance counters.  These are basically
1126  * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1127  * performance counter number encoded into bits 1 ... 5 of the instruction.
1128  * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1129  * disassembler these will look like an access to sel 0 or 1.
1130  */
1131 #define read_r10k_perf_cntr(counter)                            \
1132 ({                                                              \
1133         unsigned int __res;                                     \
1134         __asm__ __volatile__(                                   \
1135         "mfpc\t%0, %1"                                          \
1136         : "=r" (__res)                                          \
1137         : "i" (counter));                                       \
1138                                                                 \
1139         __res;                                                  \
1140 })
1141
1142 #define write_r10k_perf_cntr(counter,val)                       \
1143 do {                                                            \
1144         __asm__ __volatile__(                                   \
1145         "mtpc\t%0, %1"                                          \
1146         :                                                       \
1147         : "r" (val), "i" (counter));                            \
1148 } while (0)
1149
1150 #define read_r10k_perf_event(counter)                           \
1151 ({                                                              \
1152         unsigned int __res;                                     \
1153         __asm__ __volatile__(                                   \
1154         "mfps\t%0, %1"                                          \
1155         : "=r" (__res)                                          \
1156         : "i" (counter));                                       \
1157                                                                 \
1158         __res;                                                  \
1159 })
1160
1161 #define write_r10k_perf_cntl(counter,val)                       \
1162 do {                                                            \
1163         __asm__ __volatile__(                                   \
1164         "mtps\t%0, %1"                                          \
1165         :                                                       \
1166         : "r" (val), "i" (counter));                            \
1167 } while (0)
1168
1169
1170 /*
1171  * Macros to access the system control coprocessor
1172  */
1173
1174 #define __read_32bit_c0_register(source, sel)                           \
1175 ({ unsigned int __res;                                                  \
1176         if (sel == 0)                                                   \
1177                 __asm__ __volatile__(                                   \
1178                         "mfc0\t%0, " #source "\n\t"                     \
1179                         : "=r" (__res));                                \
1180         else                                                            \
1181                 __asm__ __volatile__(                                   \
1182                         ".set\tmips32\n\t"                              \
1183                         "mfc0\t%0, " #source ", " #sel "\n\t"           \
1184                         ".set\tmips0\n\t"                               \
1185                         : "=r" (__res));                                \
1186         __res;                                                          \
1187 })
1188
1189 #define __read_64bit_c0_register(source, sel)                           \
1190 ({ unsigned long long __res;                                            \
1191         if (sizeof(unsigned long) == 4)                                 \
1192                 __res = __read_64bit_c0_split(source, sel);             \
1193         else if (sel == 0)                                              \
1194                 __asm__ __volatile__(                                   \
1195                         ".set\tmips3\n\t"                               \
1196                         "dmfc0\t%0, " #source "\n\t"                    \
1197                         ".set\tmips0"                                   \
1198                         : "=r" (__res));                                \
1199         else                                                            \
1200                 __asm__ __volatile__(                                   \
1201                         ".set\tmips64\n\t"                              \
1202                         "dmfc0\t%0, " #source ", " #sel "\n\t"          \
1203                         ".set\tmips0"                                   \
1204                         : "=r" (__res));                                \
1205         __res;                                                          \
1206 })
1207
1208 #define __write_32bit_c0_register(register, sel, value)                 \
1209 do {                                                                    \
1210         if (sel == 0)                                                   \
1211                 __asm__ __volatile__(                                   \
1212                         "mtc0\t%z0, " #register "\n\t"                  \
1213                         : : "Jr" ((unsigned int)(value)));              \
1214         else                                                            \
1215                 __asm__ __volatile__(                                   \
1216                         ".set\tmips32\n\t"                              \
1217                         "mtc0\t%z0, " #register ", " #sel "\n\t"        \
1218                         ".set\tmips0"                                   \
1219                         : : "Jr" ((unsigned int)(value)));              \
1220 } while (0)
1221
1222 #define __write_64bit_c0_register(register, sel, value)                 \
1223 do {                                                                    \
1224         if (sizeof(unsigned long) == 4)                                 \
1225                 __write_64bit_c0_split(register, sel, value);           \
1226         else if (sel == 0)                                              \
1227                 __asm__ __volatile__(                                   \
1228                         ".set\tmips3\n\t"                               \
1229                         "dmtc0\t%z0, " #register "\n\t"                 \
1230                         ".set\tmips0"                                   \
1231                         : : "Jr" (value));                              \
1232         else                                                            \
1233                 __asm__ __volatile__(                                   \
1234                         ".set\tmips64\n\t"                              \
1235                         "dmtc0\t%z0, " #register ", " #sel "\n\t"       \
1236                         ".set\tmips0"                                   \
1237                         : : "Jr" (value));                              \
1238 } while (0)
1239
1240 #define __read_ulong_c0_register(reg, sel)                              \
1241         ((sizeof(unsigned long) == 4) ?                                 \
1242         (unsigned long) __read_32bit_c0_register(reg, sel) :            \
1243         (unsigned long) __read_64bit_c0_register(reg, sel))
1244
1245 #define __write_ulong_c0_register(reg, sel, val)                        \
1246 do {                                                                    \
1247         if (sizeof(unsigned long) == 4)                                 \
1248                 __write_32bit_c0_register(reg, sel, val);               \
1249         else                                                            \
1250                 __write_64bit_c0_register(reg, sel, val);               \
1251 } while (0)
1252
1253 /*
1254  * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1255  */
1256 #define __read_32bit_c0_ctrl_register(source)                           \
1257 ({ unsigned int __res;                                                  \
1258         __asm__ __volatile__(                                           \
1259                 "cfc0\t%0, " #source "\n\t"                             \
1260                 : "=r" (__res));                                        \
1261         __res;                                                          \
1262 })
1263
1264 #define __write_32bit_c0_ctrl_register(register, value)                 \
1265 do {                                                                    \
1266         __asm__ __volatile__(                                           \
1267                 "ctc0\t%z0, " #register "\n\t"                          \
1268                 : : "Jr" ((unsigned int)(value)));                      \
1269 } while (0)
1270
1271 /*
1272  * These versions are only needed for systems with more than 38 bits of
1273  * physical address space running the 32-bit kernel.  That's none atm :-)
1274  */
1275 #define __read_64bit_c0_split(source, sel)                              \
1276 ({                                                                      \
1277         unsigned long long __val;                                       \
1278         unsigned long __flags;                                          \
1279                                                                         \
1280         local_irq_save(__flags);                                        \
1281         if (sel == 0)                                                   \
1282                 __asm__ __volatile__(                                   \
1283                         ".set\tmips64\n\t"                              \
1284                         "dmfc0\t%M0, " #source "\n\t"                   \
1285                         "dsll\t%L0, %M0, 32\n\t"                        \
1286                         "dsra\t%M0, %M0, 32\n\t"                        \
1287                         "dsra\t%L0, %L0, 32\n\t"                        \
1288                         ".set\tmips0"                                   \
1289                         : "=r" (__val));                                \
1290         else                                                            \
1291                 __asm__ __volatile__(                                   \
1292                         ".set\tmips64\n\t"                              \
1293                         "dmfc0\t%M0, " #source ", " #sel "\n\t"         \
1294                         "dsll\t%L0, %M0, 32\n\t"                        \
1295                         "dsra\t%M0, %M0, 32\n\t"                        \
1296                         "dsra\t%L0, %L0, 32\n\t"                        \
1297                         ".set\tmips0"                                   \
1298                         : "=r" (__val));                                \
1299         local_irq_restore(__flags);                                     \
1300                                                                         \
1301         __val;                                                          \
1302 })
1303
1304 #define __write_64bit_c0_split(source, sel, val)                        \
1305 do {                                                                    \
1306         unsigned long __flags;                                          \
1307                                                                         \
1308         local_irq_save(__flags);                                        \
1309         if (sel == 0)                                                   \
1310                 __asm__ __volatile__(                                   \
1311                         ".set\tmips64\n\t"                              \
1312                         "dsll\t%L0, %L0, 32\n\t"                        \
1313                         "dsrl\t%L0, %L0, 32\n\t"                        \
1314                         "dsll\t%M0, %M0, 32\n\t"                        \
1315                         "or\t%L0, %L0, %M0\n\t"                         \
1316                         "dmtc0\t%L0, " #source "\n\t"                   \
1317                         ".set\tmips0"                                   \
1318                         : : "r" (val));                                 \
1319         else                                                            \
1320                 __asm__ __volatile__(                                   \
1321                         ".set\tmips64\n\t"                              \
1322                         "dsll\t%L0, %L0, 32\n\t"                        \
1323                         "dsrl\t%L0, %L0, 32\n\t"                        \
1324                         "dsll\t%M0, %M0, 32\n\t"                        \
1325                         "or\t%L0, %L0, %M0\n\t"                         \
1326                         "dmtc0\t%L0, " #source ", " #sel "\n\t"         \
1327                         ".set\tmips0"                                   \
1328                         : : "r" (val));                                 \
1329         local_irq_restore(__flags);                                     \
1330 } while (0)
1331
1332 #define __readx_32bit_c0_register(source)                               \
1333 ({                                                                      \
1334         unsigned int __res;                                             \
1335                                                                         \
1336         __asm__ __volatile__(                                           \
1337         "       .set    push                                    \n"     \
1338         "       .set    noat                                    \n"     \
1339         "       .set    mips32r2                                \n"     \
1340         "       # mfhc0 $1, %1                                  \n"     \
1341         _ASM_INSN_IF_MIPS(0x40410000 | ((%1 & 0x1f) << 11))             \
1342         _ASM_INSN32_IF_MM(0x002000f4 | ((%1 & 0x1f) << 16))             \
1343         "       move    %0, $1                                  \n"     \
1344         "       .set    pop                                     \n"     \
1345         : "=r" (__res)                                                  \
1346         : "i" (source));                                                \
1347         __res;                                                          \
1348 })
1349
1350 #define __writex_32bit_c0_register(register, value)                     \
1351 do {                                                                    \
1352         __asm__ __volatile__(                                           \
1353         "       .set    push                                    \n"     \
1354         "       .set    noat                                    \n"     \
1355         "       .set    mips32r2                                \n"     \
1356         "       move    $1, %0                                  \n"     \
1357         "       # mthc0 $1, %1                                  \n"     \
1358         _ASM_INSN_IF_MIPS(0x40c10000 | ((%1 & 0x1f) << 11))             \
1359         _ASM_INSN32_IF_MM(0x002002f4 | ((%1 & 0x1f) << 16))             \
1360         "       .set    pop                                     \n"     \
1361         :                                                               \
1362         : "r" (value), "i" (register));                                 \
1363 } while (0)
1364
1365 #define read_c0_index()         __read_32bit_c0_register($0, 0)
1366 #define write_c0_index(val)     __write_32bit_c0_register($0, 0, val)
1367
1368 #define read_c0_random()        __read_32bit_c0_register($1, 0)
1369 #define write_c0_random(val)    __write_32bit_c0_register($1, 0, val)
1370
1371 #define read_c0_entrylo0()      __read_ulong_c0_register($2, 0)
1372 #define write_c0_entrylo0(val)  __write_ulong_c0_register($2, 0, val)
1373
1374 #define readx_c0_entrylo0()     __readx_32bit_c0_register(2)
1375 #define writex_c0_entrylo0(val) __writex_32bit_c0_register(2, val)
1376
1377 #define read_c0_entrylo1()      __read_ulong_c0_register($3, 0)
1378 #define write_c0_entrylo1(val)  __write_ulong_c0_register($3, 0, val)
1379
1380 #define readx_c0_entrylo1()     __readx_32bit_c0_register(3)
1381 #define writex_c0_entrylo1(val) __writex_32bit_c0_register(3, val)
1382
1383 #define read_c0_conf()          __read_32bit_c0_register($3, 0)
1384 #define write_c0_conf(val)      __write_32bit_c0_register($3, 0, val)
1385
1386 #define read_c0_context()       __read_ulong_c0_register($4, 0)
1387 #define write_c0_context(val)   __write_ulong_c0_register($4, 0, val)
1388
1389 #define read_c0_contextconfig()         __read_32bit_c0_register($4, 1)
1390 #define write_c0_contextconfig(val)     __write_32bit_c0_register($4, 1, val)
1391
1392 #define read_c0_userlocal()     __read_ulong_c0_register($4, 2)
1393 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
1394
1395 #define read_c0_xcontextconfig()        __read_ulong_c0_register($4, 3)
1396 #define write_c0_xcontextconfig(val)    __write_ulong_c0_register($4, 3, val)
1397
1398 #define read_c0_pagemask()      __read_32bit_c0_register($5, 0)
1399 #define write_c0_pagemask(val)  __write_32bit_c0_register($5, 0, val)
1400
1401 #define read_c0_pagegrain()     __read_32bit_c0_register($5, 1)
1402 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
1403
1404 #define read_c0_wired()         __read_32bit_c0_register($6, 0)
1405 #define write_c0_wired(val)     __write_32bit_c0_register($6, 0, val)
1406
1407 #define read_c0_info()          __read_32bit_c0_register($7, 0)
1408
1409 #define read_c0_cache()         __read_32bit_c0_register($7, 0) /* TX39xx */
1410 #define write_c0_cache(val)     __write_32bit_c0_register($7, 0, val)
1411
1412 #define read_c0_badvaddr()      __read_ulong_c0_register($8, 0)
1413 #define write_c0_badvaddr(val)  __write_ulong_c0_register($8, 0, val)
1414
1415 #define read_c0_badinstr()      __read_32bit_c0_register($8, 1)
1416 #define read_c0_badinstrp()     __read_32bit_c0_register($8, 2)
1417
1418 #define read_c0_count()         __read_32bit_c0_register($9, 0)
1419 #define write_c0_count(val)     __write_32bit_c0_register($9, 0, val)
1420
1421 #define read_c0_count2()        __read_32bit_c0_register($9, 6) /* pnx8550 */
1422 #define write_c0_count2(val)    __write_32bit_c0_register($9, 6, val)
1423
1424 #define read_c0_count3()        __read_32bit_c0_register($9, 7) /* pnx8550 */
1425 #define write_c0_count3(val)    __write_32bit_c0_register($9, 7, val)
1426
1427 #define read_c0_entryhi()       __read_ulong_c0_register($10, 0)
1428 #define write_c0_entryhi(val)   __write_ulong_c0_register($10, 0, val)
1429
1430 #define read_c0_guestctl1()     __read_32bit_c0_register($10, 4)
1431 #define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
1432
1433 #define read_c0_guestctl2()     __read_32bit_c0_register($10, 5)
1434 #define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val)
1435
1436 #define read_c0_guestctl3()     __read_32bit_c0_register($10, 6)
1437 #define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val)
1438
1439 #define read_c0_compare()       __read_32bit_c0_register($11, 0)
1440 #define write_c0_compare(val)   __write_32bit_c0_register($11, 0, val)
1441
1442 #define read_c0_guestctl0ext()  __read_32bit_c0_register($11, 4)
1443 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1444
1445 #define read_c0_compare2()      __read_32bit_c0_register($11, 6) /* pnx8550 */
1446 #define write_c0_compare2(val)  __write_32bit_c0_register($11, 6, val)
1447
1448 #define read_c0_compare3()      __read_32bit_c0_register($11, 7) /* pnx8550 */
1449 #define write_c0_compare3(val)  __write_32bit_c0_register($11, 7, val)
1450
1451 #define read_c0_status()        __read_32bit_c0_register($12, 0)
1452
1453 #define write_c0_status(val)    __write_32bit_c0_register($12, 0, val)
1454
1455 #define read_c0_guestctl0()     __read_32bit_c0_register($12, 6)
1456 #define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val)
1457
1458 #define read_c0_gtoffset()      __read_32bit_c0_register($12, 7)
1459 #define write_c0_gtoffset(val)  __write_32bit_c0_register($12, 7, val)
1460
1461 #define read_c0_cause()         __read_32bit_c0_register($13, 0)
1462 #define write_c0_cause(val)     __write_32bit_c0_register($13, 0, val)
1463
1464 #define read_c0_epc()           __read_ulong_c0_register($14, 0)
1465 #define write_c0_epc(val)       __write_ulong_c0_register($14, 0, val)
1466
1467 #define read_c0_prid()          __read_32bit_c0_register($15, 0)
1468
1469 #define read_c0_cmgcrbase()     __read_ulong_c0_register($15, 3)
1470
1471 #define read_c0_config()        __read_32bit_c0_register($16, 0)
1472 #define read_c0_config1()       __read_32bit_c0_register($16, 1)
1473 #define read_c0_config2()       __read_32bit_c0_register($16, 2)
1474 #define read_c0_config3()       __read_32bit_c0_register($16, 3)
1475 #define read_c0_config4()       __read_32bit_c0_register($16, 4)
1476 #define read_c0_config5()       __read_32bit_c0_register($16, 5)
1477 #define read_c0_config6()       __read_32bit_c0_register($16, 6)
1478 #define read_c0_config7()       __read_32bit_c0_register($16, 7)
1479 #define write_c0_config(val)    __write_32bit_c0_register($16, 0, val)
1480 #define write_c0_config1(val)   __write_32bit_c0_register($16, 1, val)
1481 #define write_c0_config2(val)   __write_32bit_c0_register($16, 2, val)
1482 #define write_c0_config3(val)   __write_32bit_c0_register($16, 3, val)
1483 #define write_c0_config4(val)   __write_32bit_c0_register($16, 4, val)
1484 #define write_c0_config5(val)   __write_32bit_c0_register($16, 5, val)
1485 #define write_c0_config6(val)   __write_32bit_c0_register($16, 6, val)
1486 #define write_c0_config7(val)   __write_32bit_c0_register($16, 7, val)
1487
1488 #define read_c0_lladdr()        __read_ulong_c0_register($17, 0)
1489 #define write_c0_lladdr(val)    __write_ulong_c0_register($17, 0, val)
1490 #define read_c0_maar()          __read_ulong_c0_register($17, 1)
1491 #define write_c0_maar(val)      __write_ulong_c0_register($17, 1, val)
1492 #define read_c0_maari()         __read_32bit_c0_register($17, 2)
1493 #define write_c0_maari(val)     __write_32bit_c0_register($17, 2, val)
1494
1495 /*
1496  * The WatchLo register.  There may be up to 8 of them.
1497  */
1498 #define read_c0_watchlo0()      __read_ulong_c0_register($18, 0)
1499 #define read_c0_watchlo1()      __read_ulong_c0_register($18, 1)
1500 #define read_c0_watchlo2()      __read_ulong_c0_register($18, 2)
1501 #define read_c0_watchlo3()      __read_ulong_c0_register($18, 3)
1502 #define read_c0_watchlo4()      __read_ulong_c0_register($18, 4)
1503 #define read_c0_watchlo5()      __read_ulong_c0_register($18, 5)
1504 #define read_c0_watchlo6()      __read_ulong_c0_register($18, 6)
1505 #define read_c0_watchlo7()      __read_ulong_c0_register($18, 7)
1506 #define write_c0_watchlo0(val)  __write_ulong_c0_register($18, 0, val)
1507 #define write_c0_watchlo1(val)  __write_ulong_c0_register($18, 1, val)
1508 #define write_c0_watchlo2(val)  __write_ulong_c0_register($18, 2, val)
1509 #define write_c0_watchlo3(val)  __write_ulong_c0_register($18, 3, val)
1510 #define write_c0_watchlo4(val)  __write_ulong_c0_register($18, 4, val)
1511 #define write_c0_watchlo5(val)  __write_ulong_c0_register($18, 5, val)
1512 #define write_c0_watchlo6(val)  __write_ulong_c0_register($18, 6, val)
1513 #define write_c0_watchlo7(val)  __write_ulong_c0_register($18, 7, val)
1514
1515 /*
1516  * The WatchHi register.  There may be up to 8 of them.
1517  */
1518 #define read_c0_watchhi0()      __read_32bit_c0_register($19, 0)
1519 #define read_c0_watchhi1()      __read_32bit_c0_register($19, 1)
1520 #define read_c0_watchhi2()      __read_32bit_c0_register($19, 2)
1521 #define read_c0_watchhi3()      __read_32bit_c0_register($19, 3)
1522 #define read_c0_watchhi4()      __read_32bit_c0_register($19, 4)
1523 #define read_c0_watchhi5()      __read_32bit_c0_register($19, 5)
1524 #define read_c0_watchhi6()      __read_32bit_c0_register($19, 6)
1525 #define read_c0_watchhi7()      __read_32bit_c0_register($19, 7)
1526
1527 #define write_c0_watchhi0(val)  __write_32bit_c0_register($19, 0, val)
1528 #define write_c0_watchhi1(val)  __write_32bit_c0_register($19, 1, val)
1529 #define write_c0_watchhi2(val)  __write_32bit_c0_register($19, 2, val)
1530 #define write_c0_watchhi3(val)  __write_32bit_c0_register($19, 3, val)
1531 #define write_c0_watchhi4(val)  __write_32bit_c0_register($19, 4, val)
1532 #define write_c0_watchhi5(val)  __write_32bit_c0_register($19, 5, val)
1533 #define write_c0_watchhi6(val)  __write_32bit_c0_register($19, 6, val)
1534 #define write_c0_watchhi7(val)  __write_32bit_c0_register($19, 7, val)
1535
1536 #define read_c0_xcontext()      __read_ulong_c0_register($20, 0)
1537 #define write_c0_xcontext(val)  __write_ulong_c0_register($20, 0, val)
1538
1539 #define read_c0_intcontrol()    __read_32bit_c0_ctrl_register($20)
1540 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1541
1542 #define read_c0_framemask()     __read_32bit_c0_register($21, 0)
1543 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1544
1545 #define read_c0_diag()          __read_32bit_c0_register($22, 0)
1546 #define write_c0_diag(val)      __write_32bit_c0_register($22, 0, val)
1547
1548 /* R10K CP0 Branch Diagnostic register is 64bits wide */
1549 #define read_c0_r10k_diag()     __read_64bit_c0_register($22, 0)
1550 #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1551
1552 #define read_c0_diag1()         __read_32bit_c0_register($22, 1)
1553 #define write_c0_diag1(val)     __write_32bit_c0_register($22, 1, val)
1554
1555 #define read_c0_diag2()         __read_32bit_c0_register($22, 2)
1556 #define write_c0_diag2(val)     __write_32bit_c0_register($22, 2, val)
1557
1558 #define read_c0_diag3()         __read_32bit_c0_register($22, 3)
1559 #define write_c0_diag3(val)     __write_32bit_c0_register($22, 3, val)
1560
1561 #define read_c0_diag4()         __read_32bit_c0_register($22, 4)
1562 #define write_c0_diag4(val)     __write_32bit_c0_register($22, 4, val)
1563
1564 #define read_c0_diag5()         __read_32bit_c0_register($22, 5)
1565 #define write_c0_diag5(val)     __write_32bit_c0_register($22, 5, val)
1566
1567 #define read_c0_debug()         __read_32bit_c0_register($23, 0)
1568 #define write_c0_debug(val)     __write_32bit_c0_register($23, 0, val)
1569
1570 #define read_c0_depc()          __read_ulong_c0_register($24, 0)
1571 #define write_c0_depc(val)      __write_ulong_c0_register($24, 0, val)
1572
1573 /*
1574  * MIPS32 / MIPS64 performance counters
1575  */
1576 #define read_c0_perfctrl0()     __read_32bit_c0_register($25, 0)
1577 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1578 #define read_c0_perfcntr0()     __read_32bit_c0_register($25, 1)
1579 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
1580 #define read_c0_perfcntr0_64()  __read_64bit_c0_register($25, 1)
1581 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1582 #define read_c0_perfctrl1()     __read_32bit_c0_register($25, 2)
1583 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1584 #define read_c0_perfcntr1()     __read_32bit_c0_register($25, 3)
1585 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
1586 #define read_c0_perfcntr1_64()  __read_64bit_c0_register($25, 3)
1587 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1588 #define read_c0_perfctrl2()     __read_32bit_c0_register($25, 4)
1589 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1590 #define read_c0_perfcntr2()     __read_32bit_c0_register($25, 5)
1591 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
1592 #define read_c0_perfcntr2_64()  __read_64bit_c0_register($25, 5)
1593 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1594 #define read_c0_perfctrl3()     __read_32bit_c0_register($25, 6)
1595 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1596 #define read_c0_perfcntr3()     __read_32bit_c0_register($25, 7)
1597 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
1598 #define read_c0_perfcntr3_64()  __read_64bit_c0_register($25, 7)
1599 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1600
1601 #define read_c0_ecc()           __read_32bit_c0_register($26, 0)
1602 #define write_c0_ecc(val)       __write_32bit_c0_register($26, 0, val)
1603
1604 #define read_c0_derraddr0()     __read_ulong_c0_register($26, 1)
1605 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1606
1607 #define read_c0_cacheerr()      __read_32bit_c0_register($27, 0)
1608
1609 #define read_c0_derraddr1()     __read_ulong_c0_register($27, 1)
1610 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1611
1612 #define read_c0_taglo()         __read_32bit_c0_register($28, 0)
1613 #define write_c0_taglo(val)     __write_32bit_c0_register($28, 0, val)
1614
1615 #define read_c0_dtaglo()        __read_32bit_c0_register($28, 2)
1616 #define write_c0_dtaglo(val)    __write_32bit_c0_register($28, 2, val)
1617
1618 #define read_c0_ddatalo()       __read_32bit_c0_register($28, 3)
1619 #define write_c0_ddatalo(val)   __write_32bit_c0_register($28, 3, val)
1620
1621 #define read_c0_staglo()        __read_32bit_c0_register($28, 4)
1622 #define write_c0_staglo(val)    __write_32bit_c0_register($28, 4, val)
1623
1624 #define read_c0_taghi()         __read_32bit_c0_register($29, 0)
1625 #define write_c0_taghi(val)     __write_32bit_c0_register($29, 0, val)
1626
1627 #define read_c0_errorepc()      __read_ulong_c0_register($30, 0)
1628 #define write_c0_errorepc(val)  __write_ulong_c0_register($30, 0, val)
1629
1630 /* MIPSR2 */
1631 #define read_c0_hwrena()        __read_32bit_c0_register($7, 0)
1632 #define write_c0_hwrena(val)    __write_32bit_c0_register($7, 0, val)
1633
1634 #define read_c0_intctl()        __read_32bit_c0_register($12, 1)
1635 #define write_c0_intctl(val)    __write_32bit_c0_register($12, 1, val)
1636
1637 #define read_c0_srsctl()        __read_32bit_c0_register($12, 2)
1638 #define write_c0_srsctl(val)    __write_32bit_c0_register($12, 2, val)
1639
1640 #define read_c0_srsmap()        __read_32bit_c0_register($12, 3)
1641 #define write_c0_srsmap(val)    __write_32bit_c0_register($12, 3, val)
1642
1643 #define read_c0_ebase()         __read_32bit_c0_register($15, 1)
1644 #define write_c0_ebase(val)     __write_32bit_c0_register($15, 1, val)
1645
1646 #define read_c0_ebase_64()      __read_64bit_c0_register($15, 1)
1647 #define write_c0_ebase_64(val)  __write_64bit_c0_register($15, 1, val)
1648
1649 #define read_c0_cdmmbase()      __read_ulong_c0_register($15, 2)
1650 #define write_c0_cdmmbase(val)  __write_ulong_c0_register($15, 2, val)
1651
1652 /* MIPSR3 */
1653 #define read_c0_segctl0()       __read_32bit_c0_register($5, 2)
1654 #define write_c0_segctl0(val)   __write_32bit_c0_register($5, 2, val)
1655
1656 #define read_c0_segctl1()       __read_32bit_c0_register($5, 3)
1657 #define write_c0_segctl1(val)   __write_32bit_c0_register($5, 3, val)
1658
1659 #define read_c0_segctl2()       __read_32bit_c0_register($5, 4)
1660 #define write_c0_segctl2(val)   __write_32bit_c0_register($5, 4, val)
1661
1662 /* Hardware Page Table Walker */
1663 #define read_c0_pwbase()        __read_ulong_c0_register($5, 5)
1664 #define write_c0_pwbase(val)    __write_ulong_c0_register($5, 5, val)
1665
1666 #define read_c0_pwfield()       __read_ulong_c0_register($5, 6)
1667 #define write_c0_pwfield(val)   __write_ulong_c0_register($5, 6, val)
1668
1669 #define read_c0_pwsize()        __read_ulong_c0_register($5, 7)
1670 #define write_c0_pwsize(val)    __write_ulong_c0_register($5, 7, val)
1671
1672 #define read_c0_pwctl()         __read_32bit_c0_register($6, 6)
1673 #define write_c0_pwctl(val)     __write_32bit_c0_register($6, 6, val)
1674
1675 #define read_c0_pgd()           __read_64bit_c0_register($9, 7)
1676 #define write_c0_pgd(val)       __write_64bit_c0_register($9, 7, val)
1677
1678 #define read_c0_kpgd()          __read_64bit_c0_register($31, 7)
1679 #define write_c0_kpgd(val)      __write_64bit_c0_register($31, 7, val)
1680
1681 /* Cavium OCTEON (cnMIPS) */
1682 #define read_c0_cvmcount()      __read_ulong_c0_register($9, 6)
1683 #define write_c0_cvmcount(val)  __write_ulong_c0_register($9, 6, val)
1684
1685 #define read_c0_cvmctl()        __read_64bit_c0_register($9, 7)
1686 #define write_c0_cvmctl(val)    __write_64bit_c0_register($9, 7, val)
1687
1688 #define read_c0_cvmmemctl()     __read_64bit_c0_register($11, 7)
1689 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
1690 /*
1691  * The cacheerr registers are not standardized.  On OCTEON, they are
1692  * 64 bits wide.
1693  */
1694 #define read_octeon_c0_icacheerr()      __read_64bit_c0_register($27, 0)
1695 #define write_octeon_c0_icacheerr(val)  __write_64bit_c0_register($27, 0, val)
1696
1697 #define read_octeon_c0_dcacheerr()      __read_64bit_c0_register($27, 1)
1698 #define write_octeon_c0_dcacheerr(val)  __write_64bit_c0_register($27, 1, val)
1699
1700 /* BMIPS3300 */
1701 #define read_c0_brcm_config_0()         __read_32bit_c0_register($22, 0)
1702 #define write_c0_brcm_config_0(val)     __write_32bit_c0_register($22, 0, val)
1703
1704 #define read_c0_brcm_bus_pll()          __read_32bit_c0_register($22, 4)
1705 #define write_c0_brcm_bus_pll(val)      __write_32bit_c0_register($22, 4, val)
1706
1707 #define read_c0_brcm_reset()            __read_32bit_c0_register($22, 5)
1708 #define write_c0_brcm_reset(val)        __write_32bit_c0_register($22, 5, val)
1709
1710 /* BMIPS43xx */
1711 #define read_c0_brcm_cmt_intr()         __read_32bit_c0_register($22, 1)
1712 #define write_c0_brcm_cmt_intr(val)     __write_32bit_c0_register($22, 1, val)
1713
1714 #define read_c0_brcm_cmt_ctrl()         __read_32bit_c0_register($22, 2)
1715 #define write_c0_brcm_cmt_ctrl(val)     __write_32bit_c0_register($22, 2, val)
1716
1717 #define read_c0_brcm_cmt_local()        __read_32bit_c0_register($22, 3)
1718 #define write_c0_brcm_cmt_local(val)    __write_32bit_c0_register($22, 3, val)
1719
1720 #define read_c0_brcm_config_1()         __read_32bit_c0_register($22, 5)
1721 #define write_c0_brcm_config_1(val)     __write_32bit_c0_register($22, 5, val)
1722
1723 #define read_c0_brcm_cbr()              __read_32bit_c0_register($22, 6)
1724 #define write_c0_brcm_cbr(val)          __write_32bit_c0_register($22, 6, val)
1725
1726 /* BMIPS5000 */
1727 #define read_c0_brcm_config()           __read_32bit_c0_register($22, 0)
1728 #define write_c0_brcm_config(val)       __write_32bit_c0_register($22, 0, val)
1729
1730 #define read_c0_brcm_mode()             __read_32bit_c0_register($22, 1)
1731 #define write_c0_brcm_mode(val)         __write_32bit_c0_register($22, 1, val)
1732
1733 #define read_c0_brcm_action()           __read_32bit_c0_register($22, 2)
1734 #define write_c0_brcm_action(val)       __write_32bit_c0_register($22, 2, val)
1735
1736 #define read_c0_brcm_edsp()             __read_32bit_c0_register($22, 3)
1737 #define write_c0_brcm_edsp(val)         __write_32bit_c0_register($22, 3, val)
1738
1739 #define read_c0_brcm_bootvec()          __read_32bit_c0_register($22, 4)
1740 #define write_c0_brcm_bootvec(val)      __write_32bit_c0_register($22, 4, val)
1741
1742 #define read_c0_brcm_sleepcount()       __read_32bit_c0_register($22, 7)
1743 #define write_c0_brcm_sleepcount(val)   __write_32bit_c0_register($22, 7, val)
1744
1745 /*
1746  * Macros to access the guest system control coprocessor
1747  */
1748
1749 #ifdef TOOLCHAIN_SUPPORTS_VIRT
1750
1751 #define __read_32bit_gc0_register(source, sel)                          \
1752 ({ int __res;                                                           \
1753         __asm__ __volatile__(                                           \
1754                 ".set\tpush\n\t"                                        \
1755                 ".set\tmips32r2\n\t"                                    \
1756                 ".set\tvirt\n\t"                                        \
1757                 "mfgc0\t%0, $%1, %2\n\t"                                \
1758                 ".set\tpop"                                             \
1759                 : "=r" (__res)                                          \
1760                 : "i" (source), "i" (sel));                             \
1761         __res;                                                          \
1762 })
1763
1764 #define __read_64bit_gc0_register(source, sel)                          \
1765 ({ unsigned long long __res;                                            \
1766         __asm__ __volatile__(                                           \
1767                 ".set\tpush\n\t"                                        \
1768                 ".set\tmips64r2\n\t"                                    \
1769                 ".set\tvirt\n\t"                                        \
1770                 "dmfgc0\t%0, $%1, %2\n\t"                       \
1771                 ".set\tpop"                                             \
1772                 : "=r" (__res)                                          \
1773                 : "i" (source), "i" (sel));                             \
1774         __res;                                                          \
1775 })
1776
1777 #define __write_32bit_gc0_register(register, sel, value)                \
1778 do {                                                                    \
1779         __asm__ __volatile__(                                           \
1780                 ".set\tpush\n\t"                                        \
1781                 ".set\tmips32r2\n\t"                                    \
1782                 ".set\tvirt\n\t"                                        \
1783                 "mtgc0\t%z0, $%1, %2\n\t"                               \
1784                 ".set\tpop"                                             \
1785                 : : "Jr" ((unsigned int)(value)),                       \
1786                     "i" (register), "i" (sel));                         \
1787 } while (0)
1788
1789 #define __write_64bit_gc0_register(register, sel, value)                \
1790 do {                                                                    \
1791         __asm__ __volatile__(                                           \
1792                 ".set\tpush\n\t"                                        \
1793                 ".set\tmips64r2\n\t"                                    \
1794                 ".set\tvirt\n\t"                                        \
1795                 "dmtgc0\t%z0, $%1, %2\n\t"                              \
1796                 ".set\tpop"                                             \
1797                 : : "Jr" (value),                                       \
1798                     "i" (register), "i" (sel));                         \
1799 } while (0)
1800
1801 #else   /* TOOLCHAIN_SUPPORTS_VIRT */
1802
1803 #define __read_32bit_gc0_register(source, sel)                          \
1804 ({ int __res;                                                           \
1805         __asm__ __volatile__(                                           \
1806                 ".set\tpush\n\t"                                        \
1807                 ".set\tnoat\n\t"                                        \
1808                 "# mfgc0\t$1, $%1, %2\n\t"                              \
1809                 _ASM_INSN_IF_MIPS(0x40610000 | %1 << 11 | %2)           \
1810                 _ASM_INSN32_IF_MM(0x002004fc | %1 << 16 | %2 << 11)     \
1811                 "move\t%0, $1\n\t"                                      \
1812                 ".set\tpop"                                             \
1813                 : "=r" (__res)                                          \
1814                 : "i" (source), "i" (sel));                             \
1815         __res;                                                          \
1816 })
1817
1818 #define __read_64bit_gc0_register(source, sel)                          \
1819 ({ unsigned long long __res;                                            \
1820         __asm__ __volatile__(                                           \
1821                 ".set\tpush\n\t"                                        \
1822                 ".set\tnoat\n\t"                                        \
1823                 "# dmfgc0\t$1, $%1, %2\n\t"                             \
1824                 _ASM_INSN_IF_MIPS(0x40610100 | %1 << 11 | %2)           \
1825                 _ASM_INSN32_IF_MM(0x582004fc | %1 << 16 | %2 << 11)     \
1826                 "move\t%0, $1\n\t"                                      \
1827                 ".set\tpop"                                             \
1828                 : "=r" (__res)                                          \
1829                 : "i" (source), "i" (sel));                             \
1830         __res;                                                          \
1831 })
1832
1833 #define __write_32bit_gc0_register(register, sel, value)                \
1834 do {                                                                    \
1835         __asm__ __volatile__(                                           \
1836                 ".set\tpush\n\t"                                        \
1837                 ".set\tnoat\n\t"                                        \
1838                 "move\t$1, %z0\n\t"                                     \
1839                 "# mtgc0\t$1, $%1, %2\n\t"                              \
1840                 _ASM_INSN_IF_MIPS(0x40610200 | %1 << 11 | %2)           \
1841                 _ASM_INSN32_IF_MM(0x002006fc | %1 << 16 | %2 << 11)     \
1842                 ".set\tpop"                                             \
1843                 : : "Jr" ((unsigned int)(value)),                       \
1844                     "i" (register), "i" (sel));                         \
1845 } while (0)
1846
1847 #define __write_64bit_gc0_register(register, sel, value)                \
1848 do {                                                                    \
1849         __asm__ __volatile__(                                           \
1850                 ".set\tpush\n\t"                                        \
1851                 ".set\tnoat\n\t"                                        \
1852                 "move\t$1, %z0\n\t"                                     \
1853                 "# dmtgc0\t$1, $%1, %2\n\t"                             \
1854                 _ASM_INSN_IF_MIPS(0x40610300 | %1 << 11 | %2)           \
1855                 _ASM_INSN32_IF_MM(0x582006fc | %1 << 16 | %2 << 11)     \
1856                 ".set\tpop"                                             \
1857                 : : "Jr" (value),                                       \
1858                     "i" (register), "i" (sel));                         \
1859 } while (0)
1860
1861 #endif  /* !TOOLCHAIN_SUPPORTS_VIRT */
1862
1863 #define __read_ulong_gc0_register(reg, sel)                             \
1864         ((sizeof(unsigned long) == 4) ?                                 \
1865         (unsigned long) __read_32bit_gc0_register(reg, sel) :           \
1866         (unsigned long) __read_64bit_gc0_register(reg, sel))
1867
1868 #define __write_ulong_gc0_register(reg, sel, val)                       \
1869 do {                                                                    \
1870         if (sizeof(unsigned long) == 4)                                 \
1871                 __write_32bit_gc0_register(reg, sel, val);              \
1872         else                                                            \
1873                 __write_64bit_gc0_register(reg, sel, val);              \
1874 } while (0)
1875
1876 #define read_gc0_index()                __read_32bit_gc0_register(0, 0)
1877 #define write_gc0_index(val)            __write_32bit_gc0_register(0, 0, val)
1878
1879 #define read_gc0_entrylo0()             __read_ulong_gc0_register(2, 0)
1880 #define write_gc0_entrylo0(val)         __write_ulong_gc0_register(2, 0, val)
1881
1882 #define read_gc0_entrylo1()             __read_ulong_gc0_register(3, 0)
1883 #define write_gc0_entrylo1(val)         __write_ulong_gc0_register(3, 0, val)
1884
1885 #define read_gc0_context()              __read_ulong_gc0_register(4, 0)
1886 #define write_gc0_context(val)          __write_ulong_gc0_register(4, 0, val)
1887
1888 #define read_gc0_contextconfig()        __read_32bit_gc0_register(4, 1)
1889 #define write_gc0_contextconfig(val)    __write_32bit_gc0_register(4, 1, val)
1890
1891 #define read_gc0_userlocal()            __read_ulong_gc0_register(4, 2)
1892 #define write_gc0_userlocal(val)        __write_ulong_gc0_register(4, 2, val)
1893
1894 #define read_gc0_xcontextconfig()       __read_ulong_gc0_register(4, 3)
1895 #define write_gc0_xcontextconfig(val)   __write_ulong_gc0_register(4, 3, val)
1896
1897 #define read_gc0_pagemask()             __read_32bit_gc0_register(5, 0)
1898 #define write_gc0_pagemask(val)         __write_32bit_gc0_register(5, 0, val)
1899
1900 #define read_gc0_pagegrain()            __read_32bit_gc0_register(5, 1)
1901 #define write_gc0_pagegrain(val)        __write_32bit_gc0_register(5, 1, val)
1902
1903 #define read_gc0_segctl0()              __read_ulong_gc0_register(5, 2)
1904 #define write_gc0_segctl0(val)          __write_ulong_gc0_register(5, 2, val)
1905
1906 #define read_gc0_segctl1()              __read_ulong_gc0_register(5, 3)
1907 #define write_gc0_segctl1(val)          __write_ulong_gc0_register(5, 3, val)
1908
1909 #define read_gc0_segctl2()              __read_ulong_gc0_register(5, 4)
1910 #define write_gc0_segctl2(val)          __write_ulong_gc0_register(5, 4, val)
1911
1912 #define read_gc0_pwbase()               __read_ulong_gc0_register(5, 5)
1913 #define write_gc0_pwbase(val)           __write_ulong_gc0_register(5, 5, val)
1914
1915 #define read_gc0_pwfield()              __read_ulong_gc0_register(5, 6)
1916 #define write_gc0_pwfield(val)          __write_ulong_gc0_register(5, 6, val)
1917
1918 #define read_gc0_pwsize()               __read_ulong_gc0_register(5, 7)
1919 #define write_gc0_pwsize(val)           __write_ulong_gc0_register(5, 7, val)
1920
1921 #define read_gc0_wired()                __read_32bit_gc0_register(6, 0)
1922 #define write_gc0_wired(val)            __write_32bit_gc0_register(6, 0, val)
1923
1924 #define read_gc0_pwctl()                __read_32bit_gc0_register(6, 6)
1925 #define write_gc0_pwctl(val)            __write_32bit_gc0_register(6, 6, val)
1926
1927 #define read_gc0_hwrena()               __read_32bit_gc0_register(7, 0)
1928 #define write_gc0_hwrena(val)           __write_32bit_gc0_register(7, 0, val)
1929
1930 #define read_gc0_badvaddr()             __read_ulong_gc0_register(8, 0)
1931 #define write_gc0_badvaddr(val)         __write_ulong_gc0_register(8, 0, val)
1932
1933 #define read_gc0_badinstr()             __read_32bit_gc0_register(8, 1)
1934 #define write_gc0_badinstr(val)         __write_32bit_gc0_register(8, 1, val)
1935
1936 #define read_gc0_badinstrp()            __read_32bit_gc0_register(8, 2)
1937 #define write_gc0_badinstrp(val)        __write_32bit_gc0_register(8, 2, val)
1938
1939 #define read_gc0_count()                __read_32bit_gc0_register(9, 0)
1940
1941 #define read_gc0_entryhi()              __read_ulong_gc0_register(10, 0)
1942 #define write_gc0_entryhi(val)          __write_ulong_gc0_register(10, 0, val)
1943
1944 #define read_gc0_compare()              __read_32bit_gc0_register(11, 0)
1945 #define write_gc0_compare(val)          __write_32bit_gc0_register(11, 0, val)
1946
1947 #define read_gc0_status()               __read_32bit_gc0_register(12, 0)
1948 #define write_gc0_status(val)           __write_32bit_gc0_register(12, 0, val)
1949
1950 #define read_gc0_intctl()               __read_32bit_gc0_register(12, 1)
1951 #define write_gc0_intctl(val)           __write_32bit_gc0_register(12, 1, val)
1952
1953 #define read_gc0_cause()                __read_32bit_gc0_register(13, 0)
1954 #define write_gc0_cause(val)            __write_32bit_gc0_register(13, 0, val)
1955
1956 #define read_gc0_epc()                  __read_ulong_gc0_register(14, 0)
1957 #define write_gc0_epc(val)              __write_ulong_gc0_register(14, 0, val)
1958
1959 #define read_gc0_ebase()                __read_32bit_gc0_register(15, 1)
1960 #define write_gc0_ebase(val)            __write_32bit_gc0_register(15, 1, val)
1961
1962 #define read_gc0_ebase_64()             __read_64bit_gc0_register(15, 1)
1963 #define write_gc0_ebase_64(val)         __write_64bit_gc0_register(15, 1, val)
1964
1965 #define read_gc0_config()               __read_32bit_gc0_register(16, 0)
1966 #define read_gc0_config1()              __read_32bit_gc0_register(16, 1)
1967 #define read_gc0_config2()              __read_32bit_gc0_register(16, 2)
1968 #define read_gc0_config3()              __read_32bit_gc0_register(16, 3)
1969 #define read_gc0_config4()              __read_32bit_gc0_register(16, 4)
1970 #define read_gc0_config5()              __read_32bit_gc0_register(16, 5)
1971 #define read_gc0_config6()              __read_32bit_gc0_register(16, 6)
1972 #define read_gc0_config7()              __read_32bit_gc0_register(16, 7)
1973 #define write_gc0_config(val)           __write_32bit_gc0_register(16, 0, val)
1974 #define write_gc0_config1(val)          __write_32bit_gc0_register(16, 1, val)
1975 #define write_gc0_config2(val)          __write_32bit_gc0_register(16, 2, val)
1976 #define write_gc0_config3(val)          __write_32bit_gc0_register(16, 3, val)
1977 #define write_gc0_config4(val)          __write_32bit_gc0_register(16, 4, val)
1978 #define write_gc0_config5(val)          __write_32bit_gc0_register(16, 5, val)
1979 #define write_gc0_config6(val)          __write_32bit_gc0_register(16, 6, val)
1980 #define write_gc0_config7(val)          __write_32bit_gc0_register(16, 7, val)
1981
1982 #define read_gc0_watchlo0()             __read_ulong_gc0_register(18, 0)
1983 #define read_gc0_watchlo1()             __read_ulong_gc0_register(18, 1)
1984 #define read_gc0_watchlo2()             __read_ulong_gc0_register(18, 2)
1985 #define read_gc0_watchlo3()             __read_ulong_gc0_register(18, 3)
1986 #define read_gc0_watchlo4()             __read_ulong_gc0_register(18, 4)
1987 #define read_gc0_watchlo5()             __read_ulong_gc0_register(18, 5)
1988 #define read_gc0_watchlo6()             __read_ulong_gc0_register(18, 6)
1989 #define read_gc0_watchlo7()             __read_ulong_gc0_register(18, 7)
1990 #define write_gc0_watchlo0(val)         __write_ulong_gc0_register(18, 0, val)
1991 #define write_gc0_watchlo1(val)         __write_ulong_gc0_register(18, 1, val)
1992 #define write_gc0_watchlo2(val)         __write_ulong_gc0_register(18, 2, val)
1993 #define write_gc0_watchlo3(val)         __write_ulong_gc0_register(18, 3, val)
1994 #define write_gc0_watchlo4(val)         __write_ulong_gc0_register(18, 4, val)
1995 #define write_gc0_watchlo5(val)         __write_ulong_gc0_register(18, 5, val)
1996 #define write_gc0_watchlo6(val)         __write_ulong_gc0_register(18, 6, val)
1997 #define write_gc0_watchlo7(val)         __write_ulong_gc0_register(18, 7, val)
1998
1999 #define read_gc0_watchhi0()             __read_32bit_gc0_register(19, 0)
2000 #define read_gc0_watchhi1()             __read_32bit_gc0_register(19, 1)
2001 #define read_gc0_watchhi2()             __read_32bit_gc0_register(19, 2)
2002 #define read_gc0_watchhi3()             __read_32bit_gc0_register(19, 3)
2003 #define read_gc0_watchhi4()             __read_32bit_gc0_register(19, 4)
2004 #define read_gc0_watchhi5()             __read_32bit_gc0_register(19, 5)
2005 #define read_gc0_watchhi6()             __read_32bit_gc0_register(19, 6)
2006 #define read_gc0_watchhi7()             __read_32bit_gc0_register(19, 7)
2007 #define write_gc0_watchhi0(val)         __write_32bit_gc0_register(19, 0, val)
2008 #define write_gc0_watchhi1(val)         __write_32bit_gc0_register(19, 1, val)
2009 #define write_gc0_watchhi2(val)         __write_32bit_gc0_register(19, 2, val)
2010 #define write_gc0_watchhi3(val)         __write_32bit_gc0_register(19, 3, val)
2011 #define write_gc0_watchhi4(val)         __write_32bit_gc0_register(19, 4, val)
2012 #define write_gc0_watchhi5(val)         __write_32bit_gc0_register(19, 5, val)
2013 #define write_gc0_watchhi6(val)         __write_32bit_gc0_register(19, 6, val)
2014 #define write_gc0_watchhi7(val)         __write_32bit_gc0_register(19, 7, val)
2015
2016 #define read_gc0_xcontext()             __read_ulong_gc0_register(20, 0)
2017 #define write_gc0_xcontext(val)         __write_ulong_gc0_register(20, 0, val)
2018
2019 #define read_gc0_perfctrl0()            __read_32bit_gc0_register(25, 0)
2020 #define write_gc0_perfctrl0(val)        __write_32bit_gc0_register(25, 0, val)
2021 #define read_gc0_perfcntr0()            __read_32bit_gc0_register(25, 1)
2022 #define write_gc0_perfcntr0(val)        __write_32bit_gc0_register(25, 1, val)
2023 #define read_gc0_perfcntr0_64()         __read_64bit_gc0_register(25, 1)
2024 #define write_gc0_perfcntr0_64(val)     __write_64bit_gc0_register(25, 1, val)
2025 #define read_gc0_perfctrl1()            __read_32bit_gc0_register(25, 2)
2026 #define write_gc0_perfctrl1(val)        __write_32bit_gc0_register(25, 2, val)
2027 #define read_gc0_perfcntr1()            __read_32bit_gc0_register(25, 3)
2028 #define write_gc0_perfcntr1(val)        __write_32bit_gc0_register(25, 3, val)
2029 #define read_gc0_perfcntr1_64()         __read_64bit_gc0_register(25, 3)
2030 #define write_gc0_perfcntr1_64(val)     __write_64bit_gc0_register(25, 3, val)
2031 #define read_gc0_perfctrl2()            __read_32bit_gc0_register(25, 4)
2032 #define write_gc0_perfctrl2(val)        __write_32bit_gc0_register(25, 4, val)
2033 #define read_gc0_perfcntr2()            __read_32bit_gc0_register(25, 5)
2034 #define write_gc0_perfcntr2(val)        __write_32bit_gc0_register(25, 5, val)
2035 #define read_gc0_perfcntr2_64()         __read_64bit_gc0_register(25, 5)
2036 #define write_gc0_perfcntr2_64(val)     __write_64bit_gc0_register(25, 5, val)
2037 #define read_gc0_perfctrl3()            __read_32bit_gc0_register(25, 6)
2038 #define write_gc0_perfctrl3(val)        __write_32bit_gc0_register(25, 6, val)
2039 #define read_gc0_perfcntr3()            __read_32bit_gc0_register(25, 7)
2040 #define write_gc0_perfcntr3(val)        __write_32bit_gc0_register(25, 7, val)
2041 #define read_gc0_perfcntr3_64()         __read_64bit_gc0_register(25, 7)
2042 #define write_gc0_perfcntr3_64(val)     __write_64bit_gc0_register(25, 7, val)
2043
2044 #define read_gc0_errorepc()             __read_ulong_gc0_register(30, 0)
2045 #define write_gc0_errorepc(val)         __write_ulong_gc0_register(30, 0, val)
2046
2047 #define read_gc0_kscratch1()            __read_ulong_gc0_register(31, 2)
2048 #define read_gc0_kscratch2()            __read_ulong_gc0_register(31, 3)
2049 #define read_gc0_kscratch3()            __read_ulong_gc0_register(31, 4)
2050 #define read_gc0_kscratch4()            __read_ulong_gc0_register(31, 5)
2051 #define read_gc0_kscratch5()            __read_ulong_gc0_register(31, 6)
2052 #define read_gc0_kscratch6()            __read_ulong_gc0_register(31, 7)
2053 #define write_gc0_kscratch1(val)        __write_ulong_gc0_register(31, 2, val)
2054 #define write_gc0_kscratch2(val)        __write_ulong_gc0_register(31, 3, val)
2055 #define write_gc0_kscratch3(val)        __write_ulong_gc0_register(31, 4, val)
2056 #define write_gc0_kscratch4(val)        __write_ulong_gc0_register(31, 5, val)
2057 #define write_gc0_kscratch5(val)        __write_ulong_gc0_register(31, 6, val)
2058 #define write_gc0_kscratch6(val)        __write_ulong_gc0_register(31, 7, val)
2059
2060 /*
2061  * Macros to access the floating point coprocessor control registers
2062  */
2063 #define _read_32bit_cp1_register(source, gas_hardfloat)                 \
2064 ({                                                                      \
2065         unsigned int __res;                                             \
2066                                                                         \
2067         __asm__ __volatile__(                                           \
2068         "       .set    push                                    \n"     \
2069         "       .set    reorder                                 \n"     \
2070         "       # gas fails to assemble cfc1 for some archs,    \n"     \
2071         "       # like Octeon.                                  \n"     \
2072         "       .set    mips1                                   \n"     \
2073         "       "STR(gas_hardfloat)"                            \n"     \
2074         "       cfc1    %0,"STR(source)"                        \n"     \
2075         "       .set    pop                                     \n"     \
2076         : "=r" (__res));                                                \
2077         __res;                                                          \
2078 })
2079
2080 #define _write_32bit_cp1_register(dest, val, gas_hardfloat)             \
2081 do {                                                                    \
2082         __asm__ __volatile__(                                           \
2083         "       .set    push                                    \n"     \
2084         "       .set    reorder                                 \n"     \
2085         "       "STR(gas_hardfloat)"                            \n"     \
2086         "       ctc1    %0,"STR(dest)"                          \n"     \
2087         "       .set    pop                                     \n"     \
2088         : : "r" (val));                                                 \
2089 } while (0)
2090
2091 #ifdef GAS_HAS_SET_HARDFLOAT
2092 #define read_32bit_cp1_register(source)                                 \
2093         _read_32bit_cp1_register(source, .set hardfloat)
2094 #define write_32bit_cp1_register(dest, val)                             \
2095         _write_32bit_cp1_register(dest, val, .set hardfloat)
2096 #else
2097 #define read_32bit_cp1_register(source)                                 \
2098         _read_32bit_cp1_register(source, )
2099 #define write_32bit_cp1_register(dest, val)                             \
2100         _write_32bit_cp1_register(dest, val, )
2101 #endif
2102
2103 #ifdef HAVE_AS_DSP
2104 #define rddsp(mask)                                                     \
2105 ({                                                                      \
2106         unsigned int __dspctl;                                          \
2107                                                                         \
2108         __asm__ __volatile__(                                           \
2109         "       .set push                                       \n"     \
2110         "       .set dsp                                        \n"     \
2111         "       rddsp   %0, %x1                                 \n"     \
2112         "       .set pop                                        \n"     \
2113         : "=r" (__dspctl)                                               \
2114         : "i" (mask));                                                  \
2115         __dspctl;                                                       \
2116 })
2117
2118 #define wrdsp(val, mask)                                                \
2119 do {                                                                    \
2120         __asm__ __volatile__(                                           \
2121         "       .set push                                       \n"     \
2122         "       .set dsp                                        \n"     \
2123         "       wrdsp   %0, %x1                                 \n"     \
2124         "       .set pop                                        \n"     \
2125         :                                                               \
2126         : "r" (val), "i" (mask));                                       \
2127 } while (0)
2128
2129 #define mflo0()                                                         \
2130 ({                                                                      \
2131         long mflo0;                                                     \
2132         __asm__(                                                        \
2133         "       .set push                                       \n"     \
2134         "       .set dsp                                        \n"     \
2135         "       mflo %0, $ac0                                   \n"     \
2136         "       .set pop                                        \n"     \
2137         : "=r" (mflo0));                                                \
2138         mflo0;                                                          \
2139 })
2140
2141 #define mflo1()                                                         \
2142 ({                                                                      \
2143         long mflo1;                                                     \
2144         __asm__(                                                        \
2145         "       .set push                                       \n"     \
2146         "       .set dsp                                        \n"     \
2147         "       mflo %0, $ac1                                   \n"     \
2148         "       .set pop                                        \n"     \
2149         : "=r" (mflo1));                                                \
2150         mflo1;                                                          \
2151 })
2152
2153 #define mflo2()                                                         \
2154 ({                                                                      \
2155         long mflo2;                                                     \
2156         __asm__(                                                        \
2157         "       .set push                                       \n"     \
2158         "       .set dsp                                        \n"     \
2159         "       mflo %0, $ac2                                   \n"     \
2160         "       .set pop                                        \n"     \
2161         : "=r" (mflo2));                                                \
2162         mflo2;                                                          \
2163 })
2164
2165 #define mflo3()                                                         \
2166 ({                                                                      \
2167         long mflo3;                                                     \
2168         __asm__(                                                        \
2169         "       .set push                                       \n"     \
2170         "       .set dsp                                        \n"     \
2171         "       mflo %0, $ac3                                   \n"     \
2172         "       .set pop                                        \n"     \
2173         : "=r" (mflo3));                                                \
2174         mflo3;                                                          \
2175 })
2176
2177 #define mfhi0()                                                         \
2178 ({                                                                      \
2179         long mfhi0;                                                     \
2180         __asm__(                                                        \
2181         "       .set push                                       \n"     \
2182         "       .set dsp                                        \n"     \
2183         "       mfhi %0, $ac0                                   \n"     \
2184         "       .set pop                                        \n"     \
2185         : "=r" (mfhi0));                                                \
2186         mfhi0;                                                          \
2187 })
2188
2189 #define mfhi1()                                                         \
2190 ({                                                                      \
2191         long mfhi1;                                                     \
2192         __asm__(                                                        \
2193         "       .set push                                       \n"     \
2194         "       .set dsp                                        \n"     \
2195         "       mfhi %0, $ac1                                   \n"     \
2196         "       .set pop                                        \n"     \
2197         : "=r" (mfhi1));                                                \
2198         mfhi1;                                                          \
2199 })
2200
2201 #define mfhi2()                                                         \
2202 ({                                                                      \
2203         long mfhi2;                                                     \
2204         __asm__(                                                        \
2205         "       .set push                                       \n"     \
2206         "       .set dsp                                        \n"     \
2207         "       mfhi %0, $ac2                                   \n"     \
2208         "       .set pop                                        \n"     \
2209         : "=r" (mfhi2));                                                \
2210         mfhi2;                                                          \
2211 })
2212
2213 #define mfhi3()                                                         \
2214 ({                                                                      \
2215         long mfhi3;                                                     \
2216         __asm__(                                                        \
2217         "       .set push                                       \n"     \
2218         "       .set dsp                                        \n"     \
2219         "       mfhi %0, $ac3                                   \n"     \
2220         "       .set pop                                        \n"     \
2221         : "=r" (mfhi3));                                                \
2222         mfhi3;                                                          \
2223 })
2224
2225
2226 #define mtlo0(x)                                                        \
2227 ({                                                                      \
2228         __asm__(                                                        \
2229         "       .set push                                       \n"     \
2230         "       .set dsp                                        \n"     \
2231         "       mtlo %0, $ac0                                   \n"     \
2232         "       .set pop                                        \n"     \
2233         :                                                               \
2234         : "r" (x));                                                     \
2235 })
2236
2237 #define mtlo1(x)                                                        \
2238 ({                                                                      \
2239         __asm__(                                                        \
2240         "       .set push                                       \n"     \
2241         "       .set dsp                                        \n"     \
2242         "       mtlo %0, $ac1                                   \n"     \
2243         "       .set pop                                        \n"     \
2244         :                                                               \
2245         : "r" (x));                                                     \
2246 })
2247
2248 #define mtlo2(x)                                                        \
2249 ({                                                                      \
2250         __asm__(                                                        \
2251         "       .set push                                       \n"     \
2252         "       .set dsp                                        \n"     \
2253         "       mtlo %0, $ac2                                   \n"     \
2254         "       .set pop                                        \n"     \
2255         :                                                               \
2256         : "r" (x));                                                     \
2257 })
2258
2259 #define mtlo3(x)                                                        \
2260 ({                                                                      \
2261         __asm__(                                                        \
2262         "       .set push                                       \n"     \
2263         "       .set dsp                                        \n"     \
2264         "       mtlo %0, $ac3                                   \n"     \
2265         "       .set pop                                        \n"     \
2266         :                                                               \
2267         : "r" (x));                                                     \
2268 })
2269
2270 #define mthi0(x)                                                        \
2271 ({                                                                      \
2272         __asm__(                                                        \
2273         "       .set push                                       \n"     \
2274         "       .set dsp                                        \n"     \
2275         "       mthi %0, $ac0                                   \n"     \
2276         "       .set pop                                        \n"     \
2277         :                                                               \
2278         : "r" (x));                                                     \
2279 })
2280
2281 #define mthi1(x)                                                        \
2282 ({                                                                      \
2283         __asm__(                                                        \
2284         "       .set push                                       \n"     \
2285         "       .set dsp                                        \n"     \
2286         "       mthi %0, $ac1                                   \n"     \
2287         "       .set pop                                        \n"     \
2288         :                                                               \
2289         : "r" (x));                                                     \
2290 })
2291
2292 #define mthi2(x)                                                        \
2293 ({                                                                      \
2294         __asm__(                                                        \
2295         "       .set push                                       \n"     \
2296         "       .set dsp                                        \n"     \
2297         "       mthi %0, $ac2                                   \n"     \
2298         "       .set pop                                        \n"     \
2299         :                                                               \
2300         : "r" (x));                                                     \
2301 })
2302
2303 #define mthi3(x)                                                        \
2304 ({                                                                      \
2305         __asm__(                                                        \
2306         "       .set push                                       \n"     \
2307         "       .set dsp                                        \n"     \
2308         "       mthi %0, $ac3                                   \n"     \
2309         "       .set pop                                        \n"     \
2310         :                                                               \
2311         : "r" (x));                                                     \
2312 })
2313
2314 #else
2315
2316 #define rddsp(mask)                                                     \
2317 ({                                                                      \
2318         unsigned int __res;                                             \
2319                                                                         \
2320         __asm__ __volatile__(                                           \
2321         "       .set    push                                    \n"     \
2322         "       .set    noat                                    \n"     \
2323         "       # rddsp $1, %x1                                 \n"     \
2324         _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16))                     \
2325         _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14))                     \
2326         "       move    %0, $1                                  \n"     \
2327         "       .set    pop                                     \n"     \
2328         : "=r" (__res)                                                  \
2329         : "i" (mask));                                                  \
2330         __res;                                                          \
2331 })
2332
2333 #define wrdsp(val, mask)                                                \
2334 do {                                                                    \
2335         __asm__ __volatile__(                                           \
2336         "       .set    push                                    \n"     \
2337         "       .set    noat                                    \n"     \
2338         "       move    $1, %0                                  \n"     \
2339         "       # wrdsp $1, %x1                                 \n"     \
2340         _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11))                     \
2341         _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14))                     \
2342         "       .set    pop                                     \n"     \
2343         :                                                               \
2344         : "r" (val), "i" (mask));                                       \
2345 } while (0)
2346
2347 #define _dsp_mfxxx(ins)                                                 \
2348 ({                                                                      \
2349         unsigned long __treg;                                           \
2350                                                                         \
2351         __asm__ __volatile__(                                           \
2352         "       .set    push                                    \n"     \
2353         "       .set    noat                                    \n"     \
2354         _ASM_INSN_IF_MIPS(0x00000810 | %X1)                             \
2355         _ASM_INSN32_IF_MM(0x0001007c | %x1)                             \
2356         "       move    %0, $1                                  \n"     \
2357         "       .set    pop                                     \n"     \
2358         : "=r" (__treg)                                                 \
2359         : "i" (ins));                                                   \
2360         __treg;                                                         \
2361 })
2362
2363 #define _dsp_mtxxx(val, ins)                                            \
2364 do {                                                                    \
2365         __asm__ __volatile__(                                           \
2366         "       .set    push                                    \n"     \
2367         "       .set    noat                                    \n"     \
2368         "       move    $1, %0                                  \n"     \
2369         _ASM_INSN_IF_MIPS(0x00200011 | %X1)                             \
2370         _ASM_INSN32_IF_MM(0x0001207c | %x1)                             \
2371         "       .set    pop                                     \n"     \
2372         :                                                               \
2373         : "r" (val), "i" (ins));                                        \
2374 } while (0)
2375
2376 #ifdef CONFIG_CPU_MICROMIPS
2377
2378 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2379 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
2380
2381 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2382 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
2383
2384 #else  /* !CONFIG_CPU_MICROMIPS */
2385
2386 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2387 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
2388
2389 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2390 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
2391
2392 #endif /* CONFIG_CPU_MICROMIPS */
2393
2394 #define mflo0() _dsp_mflo(0)
2395 #define mflo1() _dsp_mflo(1)
2396 #define mflo2() _dsp_mflo(2)
2397 #define mflo3() _dsp_mflo(3)
2398
2399 #define mfhi0() _dsp_mfhi(0)
2400 #define mfhi1() _dsp_mfhi(1)
2401 #define mfhi2() _dsp_mfhi(2)
2402 #define mfhi3() _dsp_mfhi(3)
2403
2404 #define mtlo0(x) _dsp_mtlo(x, 0)
2405 #define mtlo1(x) _dsp_mtlo(x, 1)
2406 #define mtlo2(x) _dsp_mtlo(x, 2)
2407 #define mtlo3(x) _dsp_mtlo(x, 3)
2408
2409 #define mthi0(x) _dsp_mthi(x, 0)
2410 #define mthi1(x) _dsp_mthi(x, 1)
2411 #define mthi2(x) _dsp_mthi(x, 2)
2412 #define mthi3(x) _dsp_mthi(x, 3)
2413
2414 #endif
2415
2416 /*
2417  * TLB operations.
2418  *
2419  * It is responsibility of the caller to take care of any TLB hazards.
2420  */
2421 static inline void tlb_probe(void)
2422 {
2423         __asm__ __volatile__(
2424                 ".set noreorder\n\t"
2425                 "tlbp\n\t"
2426                 ".set reorder");
2427 }
2428
2429 static inline void tlb_read(void)
2430 {
2431 #if MIPS34K_MISSED_ITLB_WAR
2432         int res = 0;
2433
2434         __asm__ __volatile__(
2435         "       .set    push                                    \n"
2436         "       .set    noreorder                               \n"
2437         "       .set    noat                                    \n"
2438         "       .set    mips32r2                                \n"
2439         "       .word   0x41610001              # dvpe $1       \n"
2440         "       move    %0, $1                                  \n"
2441         "       ehb                                             \n"
2442         "       .set    pop                                     \n"
2443         : "=r" (res));
2444
2445         instruction_hazard();
2446 #endif
2447
2448         __asm__ __volatile__(
2449                 ".set noreorder\n\t"
2450                 "tlbr\n\t"
2451                 ".set reorder");
2452
2453 #if MIPS34K_MISSED_ITLB_WAR
2454         if ((res & _ULCAST_(1)))
2455                 __asm__ __volatile__(
2456                 "       .set    push                            \n"
2457                 "       .set    noreorder                       \n"
2458                 "       .set    noat                            \n"
2459                 "       .set    mips32r2                        \n"
2460                 "       .word   0x41600021      # evpe          \n"
2461                 "       ehb                                     \n"
2462                 "       .set    pop                             \n");
2463 #endif
2464 }
2465
2466 static inline void tlb_write_indexed(void)
2467 {
2468         __asm__ __volatile__(
2469                 ".set noreorder\n\t"
2470                 "tlbwi\n\t"
2471                 ".set reorder");
2472 }
2473
2474 static inline void tlb_write_random(void)
2475 {
2476         __asm__ __volatile__(
2477                 ".set noreorder\n\t"
2478                 "tlbwr\n\t"
2479                 ".set reorder");
2480 }
2481
2482 #ifdef TOOLCHAIN_SUPPORTS_VIRT
2483
2484 /*
2485  * Guest TLB operations.
2486  *
2487  * It is responsibility of the caller to take care of any TLB hazards.
2488  */
2489 static inline void guest_tlb_probe(void)
2490 {
2491         __asm__ __volatile__(
2492                 ".set push\n\t"
2493                 ".set noreorder\n\t"
2494                 ".set virt\n\t"
2495                 "tlbgp\n\t"
2496                 ".set pop");
2497 }
2498
2499 static inline void guest_tlb_read(void)
2500 {
2501         __asm__ __volatile__(
2502                 ".set push\n\t"
2503                 ".set noreorder\n\t"
2504                 ".set virt\n\t"
2505                 "tlbgr\n\t"
2506                 ".set pop");
2507 }
2508
2509 static inline void guest_tlb_write_indexed(void)
2510 {
2511         __asm__ __volatile__(
2512                 ".set push\n\t"
2513                 ".set noreorder\n\t"
2514                 ".set virt\n\t"
2515                 "tlbgwi\n\t"
2516                 ".set pop");
2517 }
2518
2519 static inline void guest_tlb_write_random(void)
2520 {
2521         __asm__ __volatile__(
2522                 ".set push\n\t"
2523                 ".set noreorder\n\t"
2524                 ".set virt\n\t"
2525                 "tlbgwr\n\t"
2526                 ".set pop");
2527 }
2528
2529 /*
2530  * Guest TLB Invalidate Flush
2531  */
2532 static inline void guest_tlbinvf(void)
2533 {
2534         __asm__ __volatile__(
2535                 ".set push\n\t"
2536                 ".set noreorder\n\t"
2537                 ".set virt\n\t"
2538                 "tlbginvf\n\t"
2539                 ".set pop");
2540 }
2541
2542 #else   /* TOOLCHAIN_SUPPORTS_VIRT */
2543
2544 /*
2545  * Guest TLB operations.
2546  *
2547  * It is responsibility of the caller to take care of any TLB hazards.
2548  */
2549 static inline void guest_tlb_probe(void)
2550 {
2551         __asm__ __volatile__(
2552                 "# tlbgp\n\t"
2553                 _ASM_INSN_IF_MIPS(0x42000010)
2554                 _ASM_INSN32_IF_MM(0x0000017c));
2555 }
2556
2557 static inline void guest_tlb_read(void)
2558 {
2559         __asm__ __volatile__(
2560                 "# tlbgr\n\t"
2561                 _ASM_INSN_IF_MIPS(0x42000009)
2562                 _ASM_INSN32_IF_MM(0x0000117c));
2563 }
2564
2565 static inline void guest_tlb_write_indexed(void)
2566 {
2567         __asm__ __volatile__(
2568                 "# tlbgwi\n\t"
2569                 _ASM_INSN_IF_MIPS(0x4200000a)
2570                 _ASM_INSN32_IF_MM(0x0000217c));
2571 }
2572
2573 static inline void guest_tlb_write_random(void)
2574 {
2575         __asm__ __volatile__(
2576                 "# tlbgwr\n\t"
2577                 _ASM_INSN_IF_MIPS(0x4200000e)
2578                 _ASM_INSN32_IF_MM(0x0000317c));
2579 }
2580
2581 /*
2582  * Guest TLB Invalidate Flush
2583  */
2584 static inline void guest_tlbinvf(void)
2585 {
2586         __asm__ __volatile__(
2587                 "# tlbginvf\n\t"
2588                 _ASM_INSN_IF_MIPS(0x4200000c)
2589                 _ASM_INSN32_IF_MM(0x0000517c));
2590 }
2591
2592 #endif  /* !TOOLCHAIN_SUPPORTS_VIRT */
2593
2594 /*
2595  * Manipulate bits in a register.
2596  */
2597 #define __BUILD_SET_COMMON(name)                                \
2598 static inline unsigned int                                      \
2599 set_##name(unsigned int set)                                    \
2600 {                                                               \
2601         unsigned int res, new;                                  \
2602                                                                 \
2603         res = read_##name();                                    \
2604         new = res | set;                                        \
2605         write_##name(new);                                      \
2606                                                                 \
2607         return res;                                             \
2608 }                                                               \
2609                                                                 \
2610 static inline unsigned int                                      \
2611 clear_##name(unsigned int clear)                                \
2612 {                                                               \
2613         unsigned int res, new;                                  \
2614                                                                 \
2615         res = read_##name();                                    \
2616         new = res & ~clear;                                     \
2617         write_##name(new);                                      \
2618                                                                 \
2619         return res;                                             \
2620 }                                                               \
2621                                                                 \
2622 static inline unsigned int                                      \
2623 change_##name(unsigned int change, unsigned int val)            \
2624 {                                                               \
2625         unsigned int res, new;                                  \
2626                                                                 \
2627         res = read_##name();                                    \
2628         new = res & ~change;                                    \
2629         new |= (val & change);                                  \
2630         write_##name(new);                                      \
2631                                                                 \
2632         return res;                                             \
2633 }
2634
2635 /*
2636  * Manipulate bits in a c0 register.
2637  */
2638 #define __BUILD_SET_C0(name)    __BUILD_SET_COMMON(c0_##name)
2639
2640 __BUILD_SET_C0(status)
2641 __BUILD_SET_C0(cause)
2642 __BUILD_SET_C0(config)
2643 __BUILD_SET_C0(config5)
2644 __BUILD_SET_C0(intcontrol)
2645 __BUILD_SET_C0(intctl)
2646 __BUILD_SET_C0(srsmap)
2647 __BUILD_SET_C0(pagegrain)
2648 __BUILD_SET_C0(guestctl0)
2649 __BUILD_SET_C0(guestctl0ext)
2650 __BUILD_SET_C0(guestctl1)
2651 __BUILD_SET_C0(guestctl2)
2652 __BUILD_SET_C0(guestctl3)
2653 __BUILD_SET_C0(brcm_config_0)
2654 __BUILD_SET_C0(brcm_bus_pll)
2655 __BUILD_SET_C0(brcm_reset)
2656 __BUILD_SET_C0(brcm_cmt_intr)
2657 __BUILD_SET_C0(brcm_cmt_ctrl)
2658 __BUILD_SET_C0(brcm_config)
2659 __BUILD_SET_C0(brcm_mode)
2660
2661 /*
2662  * Manipulate bits in a guest c0 register.
2663  */
2664 #define __BUILD_SET_GC0(name)   __BUILD_SET_COMMON(gc0_##name)
2665
2666 __BUILD_SET_GC0(status)
2667 __BUILD_SET_GC0(cause)
2668 __BUILD_SET_GC0(ebase)
2669
2670 /*
2671  * Return low 10 bits of ebase.
2672  * Note that under KVM (MIPSVZ) this returns vcpu id.
2673  */
2674 static inline unsigned int get_ebase_cpunum(void)
2675 {
2676         return read_c0_ebase() & MIPS_EBASE_CPUNUM;
2677 }
2678
2679 #endif /* !__ASSEMBLY__ */
2680
2681 #endif /* _ASM_MIPSREGS_H */