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/isa-rev.h>
  20 #include <asm/war.h>
  21
  22 /*
  23  * The following macros are especially useful for __asm__
  24  * inline assembler.
  25  */
  26 #ifndef __STR
  27 #define __STR(x) #x
  28 #endif
  29 #ifndef STR
  30 #define STR(x) __STR(x)
  31 #endif
  32
  33 /*
  34  *  Configure language
  35  */
  36 #ifdef __ASSEMBLY__
  37 #define _ULCAST_
  38 #define _U64CAST_
  39 #else
  40 #define _ULCAST_ (unsigned long)
  41 #define _U64CAST_ (u64)
  42 #endif
  43
  44 /*
  45  * Coprocessor 0 register names
  46  */
  47 #define CP0_INDEX $0
  48 #define CP0_RANDOM $1
  49 #define CP0_ENTRYLO0 $2
  50 #define CP0_ENTRYLO1 $3
  51 #define CP0_CONF $3
  52 #define CP0_GLOBALNUMBER $3, 1
  53 #define CP0_CONTEXT $4
  54 #define CP0_PAGEMASK $5
  55 #define CP0_PAGEGRAIN $5, 1
  56 #define CP0_SEGCTL0 $5, 2
  57 #define CP0_SEGCTL1 $5, 3
  58 #define CP0_SEGCTL2 $5, 4
  59 #define CP0_WIRED $6
  60 #define CP0_INFO $7
  61 #define CP0_HWRENA $7
  62 #define CP0_BADVADDR $8
  63 #define CP0_BADINSTR $8, 1
  64 #define CP0_COUNT $9
  65 #define CP0_ENTRYHI $10
  66 #define CP0_GUESTCTL1 $10, 4
  67 #define CP0_GUESTCTL2 $10, 5
  68 #define CP0_GUESTCTL3 $10, 6
  69 #define CP0_COMPARE $11
  70 #define CP0_GUESTCTL0EXT $11, 4
  71 #define CP0_STATUS $12
  72 #define CP0_GUESTCTL0 $12, 6
  73 #define CP0_GTOFFSET $12, 7
  74 #define CP0_CAUSE $13
  75 #define CP0_EPC $14
  76 #define CP0_PRID $15
  77 #define CP0_EBASE $15, 1
  78 #define CP0_CMGCRBASE $15, 3
  79 #define CP0_CONFIG $16
  80 #define CP0_CONFIG3 $16, 3
  81 #define CP0_CONFIG5 $16, 5
  82 #define CP0_CONFIG6 $16, 6
  83 #define CP0_LLADDR $17
  84 #define CP0_WATCHLO $18
  85 #define CP0_WATCHHI $19
  86 #define CP0_XCONTEXT $20
  87 #define CP0_FRAMEMASK $21
  88 #define CP0_DIAGNOSTIC $22
  89 #define CP0_DIAGNOSTIC1 $22, 1
  90 #define CP0_DEBUG $23
  91 #define CP0_DEPC $24
  92 #define CP0_PERFORMANCE $25
  93 #define CP0_ECC $26
  94 #define CP0_CACHEERR $27
  95 #define CP0_TAGLO $28
  96 #define CP0_TAGHI $29
  97 #define CP0_ERROREPC $30
  98 #define CP0_DESAVE $31
  99
 100 /*
 101  * R4640/R4650 cp0 register names.  These registers are listed
 102  * here only for completeness; without MMU these CPUs are not useable
 103  * by Linux.  A future ELKS port might take make Linux run on them
 104  * though ...
 105  */
 106 #define CP0_IBASE $0
 107 #define CP0_IBOUND $1
 108 #define CP0_DBASE $2
 109 #define CP0_DBOUND $3
 110 #define CP0_CALG $17
 111 #define CP0_IWATCH $18
 112 #define CP0_DWATCH $19
 113
 114 /*
 115  * Coprocessor 0 Set 1 register names
 116  */
 117 #define CP0_S1_DERRADDR0  $26
 118 #define CP0_S1_DERRADDR1  $27
 119 #define CP0_S1_INTCONTROL $20
 120
 121 /*
 122  * Coprocessor 0 Set 2 register names
 123  */
 124 #define CP0_S2_SRSCTL     $12   /* MIPSR2 */
 125
 126 /*
 127  * Coprocessor 0 Set 3 register names
 128  */
 129 #define CP0_S3_SRSMAP     $12   /* MIPSR2 */
 130
 131 /*
 132  *  TX39 Series
 133  */
 134 #define CP0_TX39_CACHE  $7
 135
 136
 137 /* Generic EntryLo bit definitions */
 138 #define ENTRYLO_G               (_ULCAST_(1) << 0)
 139 #define ENTRYLO_V               (_ULCAST_(1) << 1)
 140 #define ENTRYLO_D               (_ULCAST_(1) << 2)
 141 #define ENTRYLO_C_SHIFT         3
 142 #define ENTRYLO_C               (_ULCAST_(7) << ENTRYLO_C_SHIFT)
 143
 144 /* R3000 EntryLo bit definitions */
 145 #define R3K_ENTRYLO_G           (_ULCAST_(1) << 8)
 146 #define R3K_ENTRYLO_V           (_ULCAST_(1) << 9)
 147 #define R3K_ENTRYLO_D           (_ULCAST_(1) << 10)
 148 #define R3K_ENTRYLO_N           (_ULCAST_(1) << 11)
 149
 150 /* MIPS32/64 EntryLo bit definitions */
 151 #define MIPS_ENTRYLO_PFN_SHIFT  6
 152 #define MIPS_ENTRYLO_XI         (_ULCAST_(1) << (BITS_PER_LONG - 2))
 153 #define MIPS_ENTRYLO_RI         (_ULCAST_(1) << (BITS_PER_LONG - 1))
 154
 155 /*
 156  * MIPSr6+ GlobalNumber register definitions
 157  */
 158 #define MIPS_GLOBALNUMBER_VP_SHF        0
 159 #define MIPS_GLOBALNUMBER_VP            (_ULCAST_(0xff) << MIPS_GLOBALNUMBER_VP_SHF)
 160 #define MIPS_GLOBALNUMBER_CORE_SHF      8
 161 #define MIPS_GLOBALNUMBER_CORE          (_ULCAST_(0xff) << MIPS_GLOBALNUMBER_CORE_SHF)
 162 #define MIPS_GLOBALNUMBER_CLUSTER_SHF   16
 163 #define MIPS_GLOBALNUMBER_CLUSTER       (_ULCAST_(0xf) << MIPS_GLOBALNUMBER_CLUSTER_SHF)
 164
 165 /*
 166  * Values for PageMask register
 167  */
 168 #ifdef CONFIG_CPU_VR41XX
 169
 170 /* Why doesn't stupidity hurt ... */
 171
 172 #define PM_1K           0x00000000
 173 #define PM_4K           0x00001800
 174 #define PM_16K          0x00007800
 175 #define PM_64K          0x0001f800
 176 #define PM_256K         0x0007f800
 177
 178 #else
 179
 180 #define PM_4K           0x00000000
 181 #define PM_8K           0x00002000
 182 #define PM_16K          0x00006000
 183 #define PM_32K          0x0000e000
 184 #define PM_64K          0x0001e000
 185 #define PM_128K         0x0003e000
 186 #define PM_256K         0x0007e000
 187 #define PM_512K         0x000fe000
 188 #define PM_1M           0x001fe000
 189 #define PM_2M           0x003fe000
 190 #define PM_4M           0x007fe000
 191 #define PM_8M           0x00ffe000
 192 #define PM_16M          0x01ffe000
 193 #define PM_32M          0x03ffe000
 194 #define PM_64M          0x07ffe000
 195 #define PM_256M         0x1fffe000
 196 #define PM_1G           0x7fffe000
 197
 198 #endif
 199
 200 /*
 201  * Default page size for a given kernel configuration
 202  */
 203 #ifdef CONFIG_PAGE_SIZE_4KB
 204 #define PM_DEFAULT_MASK PM_4K
 205 #elif defined(CONFIG_PAGE_SIZE_8KB)
 206 #define PM_DEFAULT_MASK PM_8K
 207 #elif defined(CONFIG_PAGE_SIZE_16KB)
 208 #define PM_DEFAULT_MASK PM_16K
 209 #elif defined(CONFIG_PAGE_SIZE_32KB)
 210 #define PM_DEFAULT_MASK PM_32K
 211 #elif defined(CONFIG_PAGE_SIZE_64KB)
 212 #define PM_DEFAULT_MASK PM_64K
 213 #else
 214 #error Bad page size configuration!
 215 #endif
 216
 217 /*
 218  * Default huge tlb size for a given kernel configuration
 219  */
 220 #ifdef CONFIG_PAGE_SIZE_4KB
 221 #define PM_HUGE_MASK    PM_1M
 222 #elif defined(CONFIG_PAGE_SIZE_8KB)
 223 #define PM_HUGE_MASK    PM_4M
 224 #elif defined(CONFIG_PAGE_SIZE_16KB)
 225 #define PM_HUGE_MASK    PM_16M
 226 #elif defined(CONFIG_PAGE_SIZE_32KB)
 227 #define PM_HUGE_MASK    PM_64M
 228 #elif defined(CONFIG_PAGE_SIZE_64KB)
 229 #define PM_HUGE_MASK    PM_256M
 230 #elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
 231 #error Bad page size configuration for hugetlbfs!
 232 #endif
 233
 234 /*
 235  * Wired register bits
 236  */
 237 #define MIPSR6_WIRED_LIMIT_SHIFT 16
 238 #define MIPSR6_WIRED_LIMIT      (_ULCAST_(0xffff) << MIPSR6_WIRED_LIMIT_SHIFT)
 239 #define MIPSR6_WIRED_WIRED_SHIFT 0
 240 #define MIPSR6_WIRED_WIRED      (_ULCAST_(0xffff) << MIPSR6_WIRED_WIRED_SHIFT)
 241
 242 /*
 243  * Values used for computation of new tlb entries
 244  */
 245 #define PL_4K           12
 246 #define PL_16K          14
 247 #define PL_64K          16
 248 #define PL_256K         18
 249 #define PL_1M           20
 250 #define PL_4M           22
 251 #define PL_16M          24
 252 #define PL_64M          26
 253 #define PL_256M         28
 254
 255 /*
 256  * PageGrain bits
 257  */
 258 #define PG_RIE          (_ULCAST_(1) <<  31)
 259 #define PG_XIE          (_ULCAST_(1) <<  30)
 260 #define PG_ELPA         (_ULCAST_(1) <<  29)
 261 #define PG_ESP          (_ULCAST_(1) <<  28)
 262 #define PG_IEC          (_ULCAST_(1) <<  27)
 263
 264 /* MIPS32/64 EntryHI bit definitions */
 265 #define MIPS_ENTRYHI_EHINV      (_ULCAST_(1) << 10)
 266 #define MIPS_ENTRYHI_ASIDX      (_ULCAST_(0x3) << 8)
 267 #define MIPS_ENTRYHI_ASID       (_ULCAST_(0xff) << 0)
 268
 269 /*
 270  * R4x00 interrupt enable / cause bits
 271  */
 272 #define IE_SW0          (_ULCAST_(1) <<  8)
 273 #define IE_SW1          (_ULCAST_(1) <<  9)
 274 #define IE_IRQ0         (_ULCAST_(1) << 10)
 275 #define IE_IRQ1         (_ULCAST_(1) << 11)
 276 #define IE_IRQ2         (_ULCAST_(1) << 12)
 277 #define IE_IRQ3         (_ULCAST_(1) << 13)
 278 #define IE_IRQ4         (_ULCAST_(1) << 14)
 279 #define IE_IRQ5         (_ULCAST_(1) << 15)
 280
 281 /*
 282  * R4x00 interrupt cause bits
 283  */
 284 #define C_SW0           (_ULCAST_(1) <<  8)
 285 #define C_SW1           (_ULCAST_(1) <<  9)
 286 #define C_IRQ0          (_ULCAST_(1) << 10)
 287 #define C_IRQ1          (_ULCAST_(1) << 11)
 288 #define C_IRQ2          (_ULCAST_(1) << 12)
 289 #define C_IRQ3          (_ULCAST_(1) << 13)
 290 #define C_IRQ4          (_ULCAST_(1) << 14)
 291 #define C_IRQ5          (_ULCAST_(1) << 15)
 292
 293 /*
 294  * Bitfields in the R4xx0 cp0 status register
 295  */
 296 #define ST0_IE                  0x00000001
 297 #define ST0_EXL                 0x00000002
 298 #define ST0_ERL                 0x00000004
 299 #define ST0_KSU                 0x00000018
 300 #  define KSU_USER              0x00000010
 301 #  define KSU_SUPERVISOR        0x00000008
 302 #  define KSU_KERNEL            0x00000000
 303 #define ST0_UX                  0x00000020
 304 #define ST0_SX                  0x00000040
 305 #define ST0_KX                  0x00000080
 306 #define ST0_DE                  0x00010000
 307 #define ST0_CE                  0x00020000
 308
 309 /*
 310  * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
 311  * cacheops in userspace.  This bit exists only on RM7000 and RM9000
 312  * processors.
 313  */
 314 #define ST0_CO                  0x08000000
 315
 316 /*
 317  * Bitfields in the R[23]000 cp0 status register.
 318  */
 319 #define ST0_IEC                 0x00000001
 320 #define ST0_KUC                 0x00000002
 321 #define ST0_IEP                 0x00000004
 322 #define ST0_KUP                 0x00000008
 323 #define ST0_IEO                 0x00000010
 324 #define ST0_KUO                 0x00000020
 325 /* bits 6 & 7 are reserved on R[23]000 */
 326 #define ST0_ISC                 0x00010000
 327 #define ST0_SWC                 0x00020000
 328 #define ST0_CM                  0x00080000
 329
 330 /*
 331  * Bits specific to the R4640/R4650
 332  */
 333 #define ST0_UM                  (_ULCAST_(1) <<  4)
 334 #define ST0_IL                  (_ULCAST_(1) << 23)
 335 #define ST0_DL                  (_ULCAST_(1) << 24)
 336
 337 /*
 338  * Enable the MIPS MDMX and DSP ASEs
 339  */
 340 #define ST0_MX                  0x01000000
 341
 342 /*
 343  * Status register bits available in all MIPS CPUs.
 344  */
 345 #define ST0_IM                  0x0000ff00
 346 #define  STATUSB_IP0            8
 347 #define  STATUSF_IP0            (_ULCAST_(1) <<  8)
 348 #define  STATUSB_IP1            9
 349 #define  STATUSF_IP1            (_ULCAST_(1) <<  9)
 350 #define  STATUSB_IP2            10
 351 #define  STATUSF_IP2            (_ULCAST_(1) << 10)
 352 #define  STATUSB_IP3            11
 353 #define  STATUSF_IP3            (_ULCAST_(1) << 11)
 354 #define  STATUSB_IP4            12
 355 #define  STATUSF_IP4            (_ULCAST_(1) << 12)
 356 #define  STATUSB_IP5            13
 357 #define  STATUSF_IP5            (_ULCAST_(1) << 13)
 358 #define  STATUSB_IP6            14
 359 #define  STATUSF_IP6            (_ULCAST_(1) << 14)
 360 #define  STATUSB_IP7            15
 361 #define  STATUSF_IP7            (_ULCAST_(1) << 15)
 362 #define  STATUSB_IP8            0
 363 #define  STATUSF_IP8            (_ULCAST_(1) <<  0)
 364 #define  STATUSB_IP9            1
 365 #define  STATUSF_IP9            (_ULCAST_(1) <<  1)
 366 #define  STATUSB_IP10           2
 367 #define  STATUSF_IP10           (_ULCAST_(1) <<  2)
 368 #define  STATUSB_IP11           3
 369 #define  STATUSF_IP11           (_ULCAST_(1) <<  3)
 370 #define  STATUSB_IP12           4
 371 #define  STATUSF_IP12           (_ULCAST_(1) <<  4)
 372 #define  STATUSB_IP13           5
 373 #define  STATUSF_IP13           (_ULCAST_(1) <<  5)
 374 #define  STATUSB_IP14           6
 375 #define  STATUSF_IP14           (_ULCAST_(1) <<  6)
 376 #define  STATUSB_IP15           7
 377 #define  STATUSF_IP15           (_ULCAST_(1) <<  7)
 378 #define ST0_CH                  0x00040000
 379 #define ST0_NMI                 0x00080000
 380 #define ST0_SR                  0x00100000
 381 #define ST0_TS                  0x00200000
 382 #define ST0_BEV                 0x00400000
 383 #define ST0_RE                  0x02000000
 384 #define ST0_FR                  0x04000000
 385 #define ST0_CU                  0xf0000000
 386 #define ST0_CU0                 0x10000000
 387 #define ST0_CU1                 0x20000000
 388 #define ST0_CU2                 0x40000000
 389 #define ST0_CU3                 0x80000000
 390 #define ST0_XX                  0x80000000      /* MIPS IV naming */
 391
 392 /*
 393  * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
 394  */
 395 #define INTCTLB_IPFDC           23
 396 #define INTCTLF_IPFDC           (_ULCAST_(7) << INTCTLB_IPFDC)
 397 #define INTCTLB_IPPCI           26
 398 #define INTCTLF_IPPCI           (_ULCAST_(7) << INTCTLB_IPPCI)
 399 #define INTCTLB_IPTI            29
 400 #define INTCTLF_IPTI            (_ULCAST_(7) << INTCTLB_IPTI)
 401
 402 /*
 403  * Bitfields and bit numbers in the coprocessor 0 cause register.
 404  *
 405  * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
 406  */
 407 #define CAUSEB_EXCCODE          2
 408 #define CAUSEF_EXCCODE          (_ULCAST_(31)  <<  2)
 409 #define CAUSEB_IP               8
 410 #define CAUSEF_IP               (_ULCAST_(255) <<  8)
 411 #define  CAUSEB_IP0             8
 412 #define  CAUSEF_IP0             (_ULCAST_(1)   <<  8)
 413 #define  CAUSEB_IP1             9
 414 #define  CAUSEF_IP1             (_ULCAST_(1)   <<  9)
 415 #define  CAUSEB_IP2             10
 416 #define  CAUSEF_IP2             (_ULCAST_(1)   << 10)
 417 #define  CAUSEB_IP3             11
 418 #define  CAUSEF_IP3             (_ULCAST_(1)   << 11)
 419 #define  CAUSEB_IP4             12
 420 #define  CAUSEF_IP4             (_ULCAST_(1)   << 12)
 421 #define  CAUSEB_IP5             13
 422 #define  CAUSEF_IP5             (_ULCAST_(1)   << 13)
 423 #define  CAUSEB_IP6             14
 424 #define  CAUSEF_IP6             (_ULCAST_(1)   << 14)
 425 #define  CAUSEB_IP7             15
 426 #define  CAUSEF_IP7             (_ULCAST_(1)   << 15)
 427 #define CAUSEB_FDCI             21
 428 #define CAUSEF_FDCI             (_ULCAST_(1)   << 21)
 429 #define CAUSEB_WP               22
 430 #define CAUSEF_WP               (_ULCAST_(1)   << 22)
 431 #define CAUSEB_IV               23
 432 #define CAUSEF_IV               (_ULCAST_(1)   << 23)
 433 #define CAUSEB_PCI              26
 434 #define CAUSEF_PCI              (_ULCAST_(1)   << 26)
 435 #define CAUSEB_DC               27
 436 #define CAUSEF_DC               (_ULCAST_(1)   << 27)
 437 #define CAUSEB_CE               28
 438 #define CAUSEF_CE               (_ULCAST_(3)   << 28)
 439 #define CAUSEB_TI               30
 440 #define CAUSEF_TI               (_ULCAST_(1)   << 30)
 441 #define CAUSEB_BD               31
 442 #define CAUSEF_BD               (_ULCAST_(1)   << 31)
 443
 444 /*
 445  * Cause.ExcCode trap codes.
 446  */
 447 #define EXCCODE_INT             0       /* Interrupt pending */
 448 #define EXCCODE_MOD             1       /* TLB modified fault */
 449 #define EXCCODE_TLBL            2       /* TLB miss on load or ifetch */
 450 #define EXCCODE_TLBS            3       /* TLB miss on a store */
 451 #define EXCCODE_ADEL            4       /* Address error on a load or ifetch */
 452 #define EXCCODE_ADES            5       /* Address error on a store */
 453 #define EXCCODE_IBE             6       /* Bus error on an ifetch */
 454 #define EXCCODE_DBE             7       /* Bus error on a load or store */
 455 #define EXCCODE_SYS             8       /* System call */
 456 #define EXCCODE_BP              9       /* Breakpoint */
 457 #define EXCCODE_RI              10      /* Reserved instruction exception */
 458 #define EXCCODE_CPU             11      /* Coprocessor unusable */
 459 #define EXCCODE_OV              12      /* Arithmetic overflow */
 460 #define EXCCODE_TR              13      /* Trap instruction */
 461 #define EXCCODE_MSAFPE          14      /* MSA floating point exception */
 462 #define EXCCODE_FPE             15      /* Floating point exception */
 463 #define EXCCODE_TLBRI           19      /* TLB Read-Inhibit exception */
 464 #define EXCCODE_TLBXI           20      /* TLB Execution-Inhibit exception */
 465 #define EXCCODE_MSADIS          21      /* MSA disabled exception */
 466 #define EXCCODE_MDMX            22      /* MDMX unusable exception */
 467 #define EXCCODE_WATCH           23      /* Watch address reference */
 468 #define EXCCODE_MCHECK          24      /* Machine check */
 469 #define EXCCODE_THREAD          25      /* Thread exceptions (MT) */
 470 #define EXCCODE_DSPDIS          26      /* DSP disabled exception */
 471 #define EXCCODE_GE              27      /* Virtualized guest exception (VZ) */
 472 #define EXCCODE_CACHEERR        30      /* Parity/ECC occured on a core */
 473
 474 /* Implementation specific trap codes used by MIPS cores */
 475 #define MIPS_EXCCODE_TLBPAR     16      /* TLB parity error exception */
 476
 477 /* Implementation specific trap codes used by Loongson cores */
 478 #define LOONGSON_EXCCODE_GSEXC  16      /* Loongson-specific exception */
 479
 480 /*
 481  * Bits in the coprocessor 0 config register.
 482  */
 483 /* Generic bits.  */
 484 #define CONF_CM_CACHABLE_NO_WA          0
 485 #define CONF_CM_CACHABLE_WA             1
 486 #define CONF_CM_UNCACHED                2
 487 #define CONF_CM_CACHABLE_NONCOHERENT    3
 488 #define CONF_CM_CACHABLE_CE             4
 489 #define CONF_CM_CACHABLE_COW            5
 490 #define CONF_CM_CACHABLE_CUW            6
 491 #define CONF_CM_CACHABLE_ACCELERATED    7
 492 #define CONF_CM_CMASK                   7
 493 #define CONF_BE                 (_ULCAST_(1) << 15)
 494
 495 /* Bits common to various processors.  */
 496 #define CONF_CU                 (_ULCAST_(1) <<  3)
 497 #define CONF_DB                 (_ULCAST_(1) <<  4)
 498 #define CONF_IB                 (_ULCAST_(1) <<  5)
 499 #define CONF_DC                 (_ULCAST_(7) <<  6)
 500 #define CONF_IC                 (_ULCAST_(7) <<  9)
 501 #define CONF_EB                 (_ULCAST_(1) << 13)
 502 #define CONF_EM                 (_ULCAST_(1) << 14)
 503 #define CONF_SM                 (_ULCAST_(1) << 16)
 504 #define CONF_SC                 (_ULCAST_(1) << 17)
 505 #define CONF_EW                 (_ULCAST_(3) << 18)
 506 #define CONF_EP                 (_ULCAST_(15)<< 24)
 507 #define CONF_EC                 (_ULCAST_(7) << 28)
 508 #define CONF_CM                 (_ULCAST_(1) << 31)
 509
 510 /* Bits specific to the R4xx0.  */
 511 #define R4K_CONF_SW             (_ULCAST_(1) << 20)
 512 #define R4K_CONF_SS             (_ULCAST_(1) << 21)
 513 #define R4K_CONF_SB             (_ULCAST_(3) << 22)
 514
 515 /* Bits specific to the R5000.  */
 516 #define R5K_CONF_SE             (_ULCAST_(1) << 12)
 517 #define R5K_CONF_SS             (_ULCAST_(3) << 20)
 518
 519 /* Bits specific to the RM7000.  */
 520 #define RM7K_CONF_SE            (_ULCAST_(1) <<  3)
 521 #define RM7K_CONF_TE            (_ULCAST_(1) << 12)
 522 #define RM7K_CONF_CLK           (_ULCAST_(1) << 16)
 523 #define RM7K_CONF_TC            (_ULCAST_(1) << 17)
 524 #define RM7K_CONF_SI            (_ULCAST_(3) << 20)
 525 #define RM7K_CONF_SC            (_ULCAST_(1) << 31)
 526
 527 /* Bits specific to the R10000.  */
 528 #define R10K_CONF_DN            (_ULCAST_(3) <<  3)
 529 #define R10K_CONF_CT            (_ULCAST_(1) <<  5)
 530 #define R10K_CONF_PE            (_ULCAST_(1) <<  6)
 531 #define R10K_CONF_PM            (_ULCAST_(3) <<  7)
 532 #define R10K_CONF_EC            (_ULCAST_(15)<<  9)
 533 #define R10K_CONF_SB            (_ULCAST_(1) << 13)
 534 #define R10K_CONF_SK            (_ULCAST_(1) << 14)
 535 #define R10K_CONF_SS            (_ULCAST_(7) << 16)
 536 #define R10K_CONF_SC            (_ULCAST_(7) << 19)
 537 #define R10K_CONF_DC            (_ULCAST_(7) << 26)
 538 #define R10K_CONF_IC            (_ULCAST_(7) << 29)
 539
 540 /* Bits specific to the VR41xx.  */
 541 #define VR41_CONF_CS            (_ULCAST_(1) << 12)
 542 #define VR41_CONF_P4K           (_ULCAST_(1) << 13)
 543 #define VR41_CONF_BP            (_ULCAST_(1) << 16)
 544 #define VR41_CONF_M16           (_ULCAST_(1) << 20)
 545 #define VR41_CONF_AD            (_ULCAST_(1) << 23)
 546
 547 /* Bits specific to the R30xx.  */
 548 #define R30XX_CONF_FDM          (_ULCAST_(1) << 19)
 549 #define R30XX_CONF_REV          (_ULCAST_(1) << 22)
 550 #define R30XX_CONF_AC           (_ULCAST_(1) << 23)
 551 #define R30XX_CONF_RF           (_ULCAST_(1) << 24)
 552 #define R30XX_CONF_HALT         (_ULCAST_(1) << 25)
 553 #define R30XX_CONF_FPINT        (_ULCAST_(7) << 26)
 554 #define R30XX_CONF_DBR          (_ULCAST_(1) << 29)
 555 #define R30XX_CONF_SB           (_ULCAST_(1) << 30)
 556 #define R30XX_CONF_LOCK         (_ULCAST_(1) << 31)
 557
 558 /* Bits specific to the TX49.  */
 559 #define TX49_CONF_DC            (_ULCAST_(1) << 16)
 560 #define TX49_CONF_IC            (_ULCAST_(1) << 17)  /* conflict with CONF_SC */
 561 #define TX49_CONF_HALT          (_ULCAST_(1) << 18)
 562 #define TX49_CONF_CWFON         (_ULCAST_(1) << 27)
 563
 564 /* Bits specific to the MIPS32/64 PRA.  */
 565 #define MIPS_CONF_VI            (_ULCAST_(1) <<  3)
 566 #define MIPS_CONF_MT            (_ULCAST_(7) <<  7)
 567 #define MIPS_CONF_MT_TLB        (_ULCAST_(1) <<  7)
 568 #define MIPS_CONF_MT_FTLB       (_ULCAST_(4) <<  7)
 569 #define MIPS_CONF_AR            (_ULCAST_(7) << 10)
 570 #define MIPS_CONF_AT            (_ULCAST_(3) << 13)
 571 #define MIPS_CONF_BE            (_ULCAST_(1) << 15)
 572 #define MIPS_CONF_BM            (_ULCAST_(1) << 16)
 573 #define MIPS_CONF_MM            (_ULCAST_(3) << 17)
 574 #define MIPS_CONF_MM_SYSAD      (_ULCAST_(1) << 17)
 575 #define MIPS_CONF_MM_FULL       (_ULCAST_(2) << 17)
 576 #define MIPS_CONF_SB            (_ULCAST_(1) << 21)
 577 #define MIPS_CONF_UDI           (_ULCAST_(1) << 22)
 578 #define MIPS_CONF_DSP           (_ULCAST_(1) << 23)
 579 #define MIPS_CONF_ISP           (_ULCAST_(1) << 24)
 580 #define MIPS_CONF_KU            (_ULCAST_(3) << 25)
 581 #define MIPS_CONF_K23           (_ULCAST_(3) << 28)
 582 #define MIPS_CONF_M             (_ULCAST_(1) << 31)
 583
 584 /*
 585  * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
 586  */
 587 #define MIPS_CONF1_FP           (_ULCAST_(1) <<  0)
 588 #define MIPS_CONF1_EP           (_ULCAST_(1) <<  1)
 589 #define MIPS_CONF1_CA           (_ULCAST_(1) <<  2)
 590 #define MIPS_CONF1_WR           (_ULCAST_(1) <<  3)
 591 #define MIPS_CONF1_PC           (_ULCAST_(1) <<  4)
 592 #define MIPS_CONF1_MD           (_ULCAST_(1) <<  5)
 593 #define MIPS_CONF1_C2           (_ULCAST_(1) <<  6)
 594 #define MIPS_CONF1_DA_SHF       7
 595 #define MIPS_CONF1_DA_SZ        3
 596 #define MIPS_CONF1_DA           (_ULCAST_(7) <<  7)
 597 #define MIPS_CONF1_DL_SHF       10
 598 #define MIPS_CONF1_DL_SZ        3
 599 #define MIPS_CONF1_DL           (_ULCAST_(7) << 10)
 600 #define MIPS_CONF1_DS_SHF       13
 601 #define MIPS_CONF1_DS_SZ        3
 602 #define MIPS_CONF1_DS           (_ULCAST_(7) << 13)
 603 #define MIPS_CONF1_IA_SHF       16
 604 #define MIPS_CONF1_IA_SZ        3
 605 #define MIPS_CONF1_IA           (_ULCAST_(7) << 16)
 606 #define MIPS_CONF1_IL_SHF       19
 607 #define MIPS_CONF1_IL_SZ        3
 608 #define MIPS_CONF1_IL           (_ULCAST_(7) << 19)
 609 #define MIPS_CONF1_IS_SHF       22
 610 #define MIPS_CONF1_IS_SZ        3
 611 #define MIPS_CONF1_IS           (_ULCAST_(7) << 22)
 612 #define MIPS_CONF1_TLBS_SHIFT   (25)
 613 #define MIPS_CONF1_TLBS_SIZE    (6)
 614 #define MIPS_CONF1_TLBS         (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
 615
 616 #define MIPS_CONF2_SA           (_ULCAST_(15)<<  0)
 617 #define MIPS_CONF2_SL           (_ULCAST_(15)<<  4)
 618 #define MIPS_CONF2_SS           (_ULCAST_(15)<<  8)
 619 #define MIPS_CONF2_SU           (_ULCAST_(15)<< 12)
 620 #define MIPS_CONF2_TA           (_ULCAST_(15)<< 16)
 621 #define MIPS_CONF2_TL           (_ULCAST_(15)<< 20)
 622 #define MIPS_CONF2_TS           (_ULCAST_(15)<< 24)
 623 #define MIPS_CONF2_TU           (_ULCAST_(7) << 28)
 624
 625 #define MIPS_CONF3_TL           (_ULCAST_(1) <<  0)
 626 #define MIPS_CONF3_SM           (_ULCAST_(1) <<  1)
 627 #define MIPS_CONF3_MT           (_ULCAST_(1) <<  2)
 628 #define MIPS_CONF3_CDMM         (_ULCAST_(1) <<  3)
 629 #define MIPS_CONF3_SP           (_ULCAST_(1) <<  4)
 630 #define MIPS_CONF3_VINT         (_ULCAST_(1) <<  5)
 631 #define MIPS_CONF3_VEIC         (_ULCAST_(1) <<  6)
 632 #define MIPS_CONF3_LPA          (_ULCAST_(1) <<  7)
 633 #define MIPS_CONF3_ITL          (_ULCAST_(1) <<  8)
 634 #define MIPS_CONF3_CTXTC        (_ULCAST_(1) <<  9)
 635 #define MIPS_CONF3_DSP          (_ULCAST_(1) << 10)
 636 #define MIPS_CONF3_DSP2P        (_ULCAST_(1) << 11)
 637 #define MIPS_CONF3_RXI          (_ULCAST_(1) << 12)
 638 #define MIPS_CONF3_ULRI         (_ULCAST_(1) << 13)
 639 #define MIPS_CONF3_ISA          (_ULCAST_(3) << 14)
 640 #define MIPS_CONF3_ISA_OE       (_ULCAST_(1) << 16)
 641 #define MIPS_CONF3_MCU          (_ULCAST_(1) << 17)
 642 #define MIPS_CONF3_MMAR         (_ULCAST_(7) << 18)
 643 #define MIPS_CONF3_IPLW         (_ULCAST_(3) << 21)
 644 #define MIPS_CONF3_VZ           (_ULCAST_(1) << 23)
 645 #define MIPS_CONF3_PW           (_ULCAST_(1) << 24)
 646 #define MIPS_CONF3_SC           (_ULCAST_(1) << 25)
 647 #define MIPS_CONF3_BI           (_ULCAST_(1) << 26)
 648 #define MIPS_CONF3_BP           (_ULCAST_(1) << 27)
 649 #define MIPS_CONF3_MSA          (_ULCAST_(1) << 28)
 650 #define MIPS_CONF3_CMGCR        (_ULCAST_(1) << 29)
 651 #define MIPS_CONF3_BPG          (_ULCAST_(1) << 30)
 652
 653 #define MIPS_CONF4_MMUSIZEEXT_SHIFT     (0)
 654 #define MIPS_CONF4_MMUSIZEEXT   (_ULCAST_(255) << 0)
 655 #define MIPS_CONF4_FTLBSETS_SHIFT       (0)
 656 #define MIPS_CONF4_FTLBSETS     (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
 657 #define MIPS_CONF4_FTLBWAYS_SHIFT       (4)
 658 #define MIPS_CONF4_FTLBWAYS     (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
 659 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT   (8)
 660 /* bits 10:8 in FTLB-only configurations */
 661 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
 662 /* bits 12:8 in VTLB-FTLB only configurations */
 663 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
 664 #define MIPS_CONF4_MMUEXTDEF    (_ULCAST_(3) << 14)
 665 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
 666 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT        (_ULCAST_(2) << 14)
 667 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT        (_ULCAST_(3) << 14)
 668 #define MIPS_CONF4_KSCREXIST_SHIFT      (16)
 669 #define MIPS_CONF4_KSCREXIST    (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
 670 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT    (24)
 671 #define MIPS_CONF4_VTLBSIZEEXT  (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
 672 #define MIPS_CONF4_AE           (_ULCAST_(1) << 28)
 673 #define MIPS_CONF4_IE           (_ULCAST_(3) << 29)
 674 #define MIPS_CONF4_TLBINV       (_ULCAST_(2) << 29)
 675
 676 #define MIPS_CONF5_NF           (_ULCAST_(1) << 0)
 677 #define MIPS_CONF5_UFR          (_ULCAST_(1) << 2)
 678 #define MIPS_CONF5_MRP          (_ULCAST_(1) << 3)
 679 #define MIPS_CONF5_LLB          (_ULCAST_(1) << 4)
 680 #define MIPS_CONF5_MVH          (_ULCAST_(1) << 5)
 681 #define MIPS_CONF5_VP           (_ULCAST_(1) << 7)
 682 #define MIPS_CONF5_SBRI         (_ULCAST_(1) << 6)
 683 #define MIPS_CONF5_FRE          (_ULCAST_(1) << 8)
 684 #define MIPS_CONF5_UFE          (_ULCAST_(1) << 9)
 685 #define MIPS_CONF5_CA2          (_ULCAST_(1) << 14)
 686 #define MIPS_CONF5_MI           (_ULCAST_(1) << 17)
 687 #define MIPS_CONF5_CRCP         (_ULCAST_(1) << 18)
 688 #define MIPS_CONF5_MSAEN        (_ULCAST_(1) << 27)
 689 #define MIPS_CONF5_EVA          (_ULCAST_(1) << 28)
 690 #define MIPS_CONF5_CV           (_ULCAST_(1) << 29)
 691 #define MIPS_CONF5_K            (_ULCAST_(1) << 30)
 692
 693 /* Config6 feature bits for proAptiv/P5600 */
 694
 695 /* Jump register cache prediction disable */
 696 #define MTI_CONF6_JRCD          (_ULCAST_(1) << 0)
 697 /* MIPSr6 extensions enable */
 698 #define MTI_CONF6_R6            (_ULCAST_(1) << 2)
 699 /* IFU Performance Control */
 700 #define MTI_CONF6_IFUPERFCTL    (_ULCAST_(3) << 10)
 701 #define MTI_CONF6_SYND          (_ULCAST_(1) << 13)
 702 /* Sleep state performance counter disable */
 703 #define MTI_CONF6_SPCD          (_ULCAST_(1) << 14)
 704 /* proAptiv FTLB on/off bit */
 705 #define MTI_CONF6_FTLBEN        (_ULCAST_(1) << 15)
 706 /* Disable load/store bonding */
 707 #define MTI_CONF6_DLSB          (_ULCAST_(1) << 21)
 708 /* FTLB probability bits */
 709 #define MTI_CONF6_FTLBP_SHIFT   (16)
 710
 711 /* Config6 feature bits for Loongson-3 */
 712
 713 /* Loongson-3 internal timer bit */
 714 #define LOONGSON_CONF6_INTIMER  (_ULCAST_(1) << 6)
 715 /* Loongson-3 external timer bit */
 716 #define LOONGSON_CONF6_EXTIMER  (_ULCAST_(1) << 7)
 717 /* Loongson-3 SFB on/off bit, STFill in manual */
 718 #define LOONGSON_CONF6_SFBEN    (_ULCAST_(1) << 8)
 719 /* Loongson-3's LL on exclusive cacheline */
 720 #define LOONGSON_CONF6_LLEXC    (_ULCAST_(1) << 16)
 721 /* Loongson-3's SC has a random delay */
 722 #define LOONGSON_CONF6_SCRAND   (_ULCAST_(1) << 17)
 723 /* Loongson-3 FTLB on/off bit, VTLBOnly in manual */
 724 #define LOONGSON_CONF6_FTLBDIS  (_ULCAST_(1) << 22)
 725
 726 #define MIPS_CONF7_WII          (_ULCAST_(1) << 31)
 727
 728 #define MIPS_CONF7_RPS          (_ULCAST_(1) << 2)
 729
 730 #define MIPS_CONF7_IAR          (_ULCAST_(1) << 10)
 731 #define MIPS_CONF7_AR           (_ULCAST_(1) << 16)
 732
 733 /* Ingenic HPTLB off bits */
 734 #define XBURST_PAGECTRL_HPTLB_DIS 0xa9000000
 735
 736 /* Ingenic Config7 bits */
 737 #define MIPS_CONF7_BTB_LOOP_EN  (_ULCAST_(1) << 4)
 738
 739 /* Config7 Bits specific to MIPS Technologies. */
 740
 741 /* Performance counters implemented Per TC */
 742 #define MTI_CONF7_PTC           (_ULCAST_(1) << 19)
 743
 744 /* WatchLo* register definitions */
 745 #define MIPS_WATCHLO_IRW        (_ULCAST_(0x7) << 0)
 746
 747 /* WatchHi* register definitions */
 748 #define MIPS_WATCHHI_M          (_ULCAST_(1) << 31)
 749 #define MIPS_WATCHHI_G          (_ULCAST_(1) << 30)
 750 #define MIPS_WATCHHI_WM         (_ULCAST_(0x3) << 28)
 751 #define MIPS_WATCHHI_WM_R_RVA   (_ULCAST_(0) << 28)
 752 #define MIPS_WATCHHI_WM_R_GPA   (_ULCAST_(1) << 28)
 753 #define MIPS_WATCHHI_WM_G_GVA   (_ULCAST_(2) << 28)
 754 #define MIPS_WATCHHI_EAS        (_ULCAST_(0x3) << 24)
 755 #define MIPS_WATCHHI_ASID       (_ULCAST_(0xff) << 16)
 756 #define MIPS_WATCHHI_MASK       (_ULCAST_(0x1ff) << 3)
 757 #define MIPS_WATCHHI_I          (_ULCAST_(1) << 2)
 758 #define MIPS_WATCHHI_R          (_ULCAST_(1) << 1)
 759 #define MIPS_WATCHHI_W          (_ULCAST_(1) << 0)
 760 #define MIPS_WATCHHI_IRW        (_ULCAST_(0x7) << 0)
 761
 762 /* PerfCnt control register definitions */
 763 #define MIPS_PERFCTRL_EXL       (_ULCAST_(1) << 0)
 764 #define MIPS_PERFCTRL_K         (_ULCAST_(1) << 1)
 765 #define MIPS_PERFCTRL_S         (_ULCAST_(1) << 2)
 766 #define MIPS_PERFCTRL_U         (_ULCAST_(1) << 3)
 767 #define MIPS_PERFCTRL_IE        (_ULCAST_(1) << 4)
 768 #define MIPS_PERFCTRL_EVENT_S   5
 769 #define MIPS_PERFCTRL_EVENT     (_ULCAST_(0x3ff) << MIPS_PERFCTRL_EVENT_S)
 770 #define MIPS_PERFCTRL_PCTD      (_ULCAST_(1) << 15)
 771 #define MIPS_PERFCTRL_EC        (_ULCAST_(0x3) << 23)
 772 #define MIPS_PERFCTRL_EC_R      (_ULCAST_(0) << 23)
 773 #define MIPS_PERFCTRL_EC_RI     (_ULCAST_(1) << 23)
 774 #define MIPS_PERFCTRL_EC_G      (_ULCAST_(2) << 23)
 775 #define MIPS_PERFCTRL_EC_GRI    (_ULCAST_(3) << 23)
 776 #define MIPS_PERFCTRL_W         (_ULCAST_(1) << 30)
 777 #define MIPS_PERFCTRL_M         (_ULCAST_(1) << 31)
 778
 779 /* PerfCnt control register MT extensions used by MIPS cores */
 780 #define MIPS_PERFCTRL_VPEID_S   16
 781 #define MIPS_PERFCTRL_VPEID     (_ULCAST_(0xf) << MIPS_PERFCTRL_VPEID_S)
 782 #define MIPS_PERFCTRL_TCID_S    22
 783 #define MIPS_PERFCTRL_TCID      (_ULCAST_(0xff) << MIPS_PERFCTRL_TCID_S)
 784 #define MIPS_PERFCTRL_MT_EN     (_ULCAST_(0x3) << 20)
 785 #define MIPS_PERFCTRL_MT_EN_ALL (_ULCAST_(0) << 20)
 786 #define MIPS_PERFCTRL_MT_EN_VPE (_ULCAST_(1) << 20)
 787 #define MIPS_PERFCTRL_MT_EN_TC  (_ULCAST_(2) << 20)
 788
 789 /* PerfCnt control register MT extensions used by BMIPS5000 */
 790 #define BRCM_PERFCTRL_TC        (_ULCAST_(1) << 30)
 791
 792 /* PerfCnt control register MT extensions used by Netlogic XLR */
 793 #define XLR_PERFCTRL_ALLTHREADS (_ULCAST_(1) << 13)
 794
 795 /* MAAR bit definitions */
 796 #define MIPS_MAAR_VH            (_U64CAST_(1) << 63)
 797 #define MIPS_MAAR_ADDR          GENMASK_ULL(55, 12)
 798 #define MIPS_MAAR_ADDR_SHIFT    12
 799 #define MIPS_MAAR_S             (_ULCAST_(1) << 1)
 800 #define MIPS_MAAR_VL            (_ULCAST_(1) << 0)
 801 #ifdef CONFIG_XPA
 802 #define MIPS_MAAR_V             (MIPS_MAAR_VH | MIPS_MAAR_VL)
 803 #else
 804 #define MIPS_MAAR_V             MIPS_MAAR_VL
 805 #endif
 806 #define MIPS_MAARX_VH           (_ULCAST_(1) << 31)
 807 #define MIPS_MAARX_ADDR         0xF
 808 #define MIPS_MAARX_ADDR_SHIFT   32
 809
 810 /* MAARI bit definitions */
 811 #define MIPS_MAARI_INDEX        (_ULCAST_(0x3f) << 0)
 812
 813 /* EBase bit definitions */
 814 #define MIPS_EBASE_CPUNUM_SHIFT 0
 815 #define MIPS_EBASE_CPUNUM       (_ULCAST_(0x3ff) << 0)
 816 #define MIPS_EBASE_WG_SHIFT     11
 817 #define MIPS_EBASE_WG           (_ULCAST_(1) << 11)
 818 #define MIPS_EBASE_BASE_SHIFT   12
 819 #define MIPS_EBASE_BASE         (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
 820
 821 /* CMGCRBase bit definitions */
 822 #define MIPS_CMGCRB_BASE        11
 823 #define MIPS_CMGCRF_BASE        (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
 824
 825 /* LLAddr bit definitions */
 826 #define MIPS_LLADDR_LLB_SHIFT   0
 827 #define MIPS_LLADDR_LLB         (_ULCAST_(1) << MIPS_LLADDR_LLB_SHIFT)
 828
 829 /*
 830  * Bits in the MIPS32 Memory Segmentation registers.
 831  */
 832 #define MIPS_SEGCFG_PA_SHIFT    9
 833 #define MIPS_SEGCFG_PA          (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
 834 #define MIPS_SEGCFG_AM_SHIFT    4
 835 #define MIPS_SEGCFG_AM          (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
 836 #define MIPS_SEGCFG_EU_SHIFT    3
 837 #define MIPS_SEGCFG_EU          (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
 838 #define MIPS_SEGCFG_C_SHIFT     0
 839 #define MIPS_SEGCFG_C           (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
 840
 841 #define MIPS_SEGCFG_UUSK        _ULCAST_(7)
 842 #define MIPS_SEGCFG_USK         _ULCAST_(5)
 843 #define MIPS_SEGCFG_MUSUK       _ULCAST_(4)
 844 #define MIPS_SEGCFG_MUSK        _ULCAST_(3)
 845 #define MIPS_SEGCFG_MSK         _ULCAST_(2)
 846 #define MIPS_SEGCFG_MK          _ULCAST_(1)
 847 #define MIPS_SEGCFG_UK          _ULCAST_(0)
 848
 849 #define MIPS_PWFIELD_GDI_SHIFT  24
 850 #define MIPS_PWFIELD_GDI_MASK   0x3f000000
 851 #define MIPS_PWFIELD_UDI_SHIFT  18
 852 #define MIPS_PWFIELD_UDI_MASK   0x00fc0000
 853 #define MIPS_PWFIELD_MDI_SHIFT  12
 854 #define MIPS_PWFIELD_MDI_MASK   0x0003f000
 855 #define MIPS_PWFIELD_PTI_SHIFT  6
 856 #define MIPS_PWFIELD_PTI_MASK   0x00000fc0
 857 #define MIPS_PWFIELD_PTEI_SHIFT 0
 858 #define MIPS_PWFIELD_PTEI_MASK  0x0000003f
 859
 860 #define MIPS_PWSIZE_PS_SHIFT    30
 861 #define MIPS_PWSIZE_PS_MASK     0x40000000
 862 #define MIPS_PWSIZE_GDW_SHIFT   24
 863 #define MIPS_PWSIZE_GDW_MASK    0x3f000000
 864 #define MIPS_PWSIZE_UDW_SHIFT   18
 865 #define MIPS_PWSIZE_UDW_MASK    0x00fc0000
 866 #define MIPS_PWSIZE_MDW_SHIFT   12
 867 #define MIPS_PWSIZE_MDW_MASK    0x0003f000
 868 #define MIPS_PWSIZE_PTW_SHIFT   6
 869 #define MIPS_PWSIZE_PTW_MASK    0x00000fc0
 870 #define MIPS_PWSIZE_PTEW_SHIFT  0
 871 #define MIPS_PWSIZE_PTEW_MASK   0x0000003f
 872
 873 #define MIPS_PWCTL_PWEN_SHIFT   31
 874 #define MIPS_PWCTL_PWEN_MASK    0x80000000
 875 #define MIPS_PWCTL_XK_SHIFT     28
 876 #define MIPS_PWCTL_XK_MASK      0x10000000
 877 #define MIPS_PWCTL_XS_SHIFT     27
 878 #define MIPS_PWCTL_XS_MASK      0x08000000
 879 #define MIPS_PWCTL_XU_SHIFT     26
 880 #define MIPS_PWCTL_XU_MASK      0x04000000
 881 #define MIPS_PWCTL_DPH_SHIFT    7
 882 #define MIPS_PWCTL_DPH_MASK     0x00000080
 883 #define MIPS_PWCTL_HUGEPG_SHIFT 6
 884 #define MIPS_PWCTL_HUGEPG_MASK  0x00000060
 885 #define MIPS_PWCTL_PSN_SHIFT    0
 886 #define MIPS_PWCTL_PSN_MASK     0x0000003f
 887
 888 /* GuestCtl0 fields */
 889 #define MIPS_GCTL0_GM_SHIFT     31
 890 #define MIPS_GCTL0_GM           (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
 891 #define MIPS_GCTL0_RI_SHIFT     30
 892 #define MIPS_GCTL0_RI           (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
 893 #define MIPS_GCTL0_MC_SHIFT     29
 894 #define MIPS_GCTL0_MC           (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
 895 #define MIPS_GCTL0_CP0_SHIFT    28
 896 #define MIPS_GCTL0_CP0          (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
 897 #define MIPS_GCTL0_AT_SHIFT     26
 898 #define MIPS_GCTL0_AT           (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
 899 #define MIPS_GCTL0_GT_SHIFT     25
 900 #define MIPS_GCTL0_GT           (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
 901 #define MIPS_GCTL0_CG_SHIFT     24
 902 #define MIPS_GCTL0_CG           (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
 903 #define MIPS_GCTL0_CF_SHIFT     23
 904 #define MIPS_GCTL0_CF           (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
 905 #define MIPS_GCTL0_G1_SHIFT     22
 906 #define MIPS_GCTL0_G1           (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
 907 #define MIPS_GCTL0_G0E_SHIFT    19
 908 #define MIPS_GCTL0_G0E          (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
 909 #define MIPS_GCTL0_PT_SHIFT     18
 910 #define MIPS_GCTL0_PT           (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
 911 #define MIPS_GCTL0_RAD_SHIFT    9
 912 #define MIPS_GCTL0_RAD          (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
 913 #define MIPS_GCTL0_DRG_SHIFT    8
 914 #define MIPS_GCTL0_DRG          (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
 915 #define MIPS_GCTL0_G2_SHIFT     7
 916 #define MIPS_GCTL0_G2           (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
 917 #define MIPS_GCTL0_GEXC_SHIFT   2
 918 #define MIPS_GCTL0_GEXC         (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
 919 #define MIPS_GCTL0_SFC2_SHIFT   1
 920 #define MIPS_GCTL0_SFC2         (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
 921 #define MIPS_GCTL0_SFC1_SHIFT   0
 922 #define MIPS_GCTL0_SFC1         (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
 923
 924 /* GuestCtl0.AT Guest address translation control */
 925 #define MIPS_GCTL0_AT_ROOT      1  /* Guest MMU under Root control */
 926 #define MIPS_GCTL0_AT_GUEST     3  /* Guest MMU under Guest control */
 927
 928 /* GuestCtl0.GExcCode Hypervisor exception cause codes */
 929 #define MIPS_GCTL0_GEXC_GPSI    0  /* Guest Privileged Sensitive Instruction */
 930 #define MIPS_GCTL0_GEXC_GSFC    1  /* Guest Software Field Change */
 931 #define MIPS_GCTL0_GEXC_HC      2  /* Hypercall */
 932 #define MIPS_GCTL0_GEXC_GRR     3  /* Guest Reserved Instruction Redirect */
 933 #define MIPS_GCTL0_GEXC_GVA     8  /* Guest Virtual Address available */
 934 #define MIPS_GCTL0_GEXC_GHFC    9  /* Guest Hardware Field Change */
 935 #define MIPS_GCTL0_GEXC_GPA     10 /* Guest Physical Address available */
 936
 937 /* GuestCtl0Ext fields */
 938 #define MIPS_GCTL0EXT_RPW_SHIFT 8
 939 #define MIPS_GCTL0EXT_RPW       (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
 940 #define MIPS_GCTL0EXT_NCC_SHIFT 6
 941 #define MIPS_GCTL0EXT_NCC       (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
 942 #define MIPS_GCTL0EXT_CGI_SHIFT 4
 943 #define MIPS_GCTL0EXT_CGI       (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
 944 #define MIPS_GCTL0EXT_FCD_SHIFT 3
 945 #define MIPS_GCTL0EXT_FCD       (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
 946 #define MIPS_GCTL0EXT_OG_SHIFT  2
 947 #define MIPS_GCTL0EXT_OG        (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
 948 #define MIPS_GCTL0EXT_BG_SHIFT  1
 949 #define MIPS_GCTL0EXT_BG        (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
 950 #define MIPS_GCTL0EXT_MG_SHIFT  0
 951 #define MIPS_GCTL0EXT_MG        (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
 952
 953 /* GuestCtl0Ext.RPW Root page walk configuration */
 954 #define MIPS_GCTL0EXT_RPW_BOTH  0  /* Root PW for GPA->RPA and RVA->RPA */
 955 #define MIPS_GCTL0EXT_RPW_GPA   2  /* Root PW for GPA->RPA */
 956 #define MIPS_GCTL0EXT_RPW_RVA   3  /* Root PW for RVA->RPA */
 957
 958 /* GuestCtl0Ext.NCC Nested cache coherency attributes */
 959 #define MIPS_GCTL0EXT_NCC_IND   0  /* Guest CCA independent of Root CCA */
 960 #define MIPS_GCTL0EXT_NCC_MOD   1  /* Guest CCA modified by Root CCA */
 961
 962 /* GuestCtl1 fields */
 963 #define MIPS_GCTL1_ID_SHIFT     0
 964 #define MIPS_GCTL1_ID_WIDTH     8
 965 #define MIPS_GCTL1_ID           (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
 966 #define MIPS_GCTL1_RID_SHIFT    16
 967 #define MIPS_GCTL1_RID_WIDTH    8
 968 #define MIPS_GCTL1_RID          (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
 969 #define MIPS_GCTL1_EID_SHIFT    24
 970 #define MIPS_GCTL1_EID_WIDTH    8
 971 #define MIPS_GCTL1_EID          (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
 972
 973 /* GuestID reserved for root context */
 974 #define MIPS_GCTL1_ROOT_GUESTID 0
 975
 976 /* CDMMBase register bit definitions */
 977 #define MIPS_CDMMBASE_SIZE_SHIFT 0
 978 #define MIPS_CDMMBASE_SIZE      (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
 979 #define MIPS_CDMMBASE_CI        (_ULCAST_(1) << 9)
 980 #define MIPS_CDMMBASE_EN        (_ULCAST_(1) << 10)
 981 #define MIPS_CDMMBASE_ADDR_SHIFT 11
 982 #define MIPS_CDMMBASE_ADDR_START 15
 983
 984 /* RDHWR register numbers */
 985 #define MIPS_HWR_CPUNUM         0       /* CPU number */
 986 #define MIPS_HWR_SYNCISTEP      1       /* SYNCI step size */
 987 #define MIPS_HWR_CC             2       /* Cycle counter */
 988 #define MIPS_HWR_CCRES          3       /* Cycle counter resolution */
 989 #define MIPS_HWR_ULR            29      /* UserLocal */
 990 #define MIPS_HWR_IMPL1          30      /* Implementation dependent */
 991 #define MIPS_HWR_IMPL2          31      /* Implementation dependent */
 992
 993 /* Bits in HWREna register */
 994 #define MIPS_HWRENA_CPUNUM      (_ULCAST_(1) << MIPS_HWR_CPUNUM)
 995 #define MIPS_HWRENA_SYNCISTEP   (_ULCAST_(1) << MIPS_HWR_SYNCISTEP)
 996 #define MIPS_HWRENA_CC          (_ULCAST_(1) << MIPS_HWR_CC)
 997 #define MIPS_HWRENA_CCRES       (_ULCAST_(1) << MIPS_HWR_CCRES)
 998 #define MIPS_HWRENA_ULR         (_ULCAST_(1) << MIPS_HWR_ULR)
 999 #define MIPS_HWRENA_IMPL1       (_ULCAST_(1) << MIPS_HWR_IMPL1)
1000 #define MIPS_HWRENA_IMPL2       (_ULCAST_(1) << MIPS_HWR_IMPL2)
1001
1002 /*
1003  * Bitfields in the TX39 family CP0 Configuration Register 3
1004  */
1005 #define TX39_CONF_ICS_SHIFT     19
1006 #define TX39_CONF_ICS_MASK      0x00380000
1007 #define TX39_CONF_ICS_1KB       0x00000000
1008 #define TX39_CONF_ICS_2KB       0x00080000
1009 #define TX39_CONF_ICS_4KB       0x00100000
1010 #define TX39_CONF_ICS_8KB       0x00180000
1011 #define TX39_CONF_ICS_16KB      0x00200000
1012
1013 #define TX39_CONF_DCS_SHIFT     16
1014 #define TX39_CONF_DCS_MASK      0x00070000
1015 #define TX39_CONF_DCS_1KB       0x00000000
1016 #define TX39_CONF_DCS_2KB       0x00010000
1017 #define TX39_CONF_DCS_4KB       0x00020000
1018 #define TX39_CONF_DCS_8KB       0x00030000
1019 #define TX39_CONF_DCS_16KB      0x00040000
1020
1021 #define TX39_CONF_CWFON         0x00004000
1022 #define TX39_CONF_WBON          0x00002000
1023 #define TX39_CONF_RF_SHIFT      10
1024 #define TX39_CONF_RF_MASK       0x00000c00
1025 #define TX39_CONF_DOZE          0x00000200
1026 #define TX39_CONF_HALT          0x00000100
1027 #define TX39_CONF_LOCK          0x00000080
1028 #define TX39_CONF_ICE           0x00000020
1029 #define TX39_CONF_DCE           0x00000010
1030 #define TX39_CONF_IRSIZE_SHIFT  2
1031 #define TX39_CONF_IRSIZE_MASK   0x0000000c
1032 #define TX39_CONF_DRSIZE_SHIFT  0
1033 #define TX39_CONF_DRSIZE_MASK   0x00000003
1034
1035 /*
1036  * Interesting Bits in the R10K CP0 Branch Diagnostic Register
1037  */
1038 /* Disable Branch Target Address Cache */
1039 #define R10K_DIAG_D_BTAC        (_ULCAST_(1) << 27)
1040 /* Enable Branch Prediction Global History */
1041 #define R10K_DIAG_E_GHIST       (_ULCAST_(1) << 26)
1042 /* Disable Branch Return Cache */
1043 #define R10K_DIAG_D_BRC         (_ULCAST_(1) << 22)
1044
1045 /* Flush BTB */
1046 #define LOONGSON_DIAG_BTB       (_ULCAST_(1) << 1)
1047 /* Flush ITLB */
1048 #define LOONGSON_DIAG_ITLB      (_ULCAST_(1) << 2)
1049 /* Flush DTLB */
1050 #define LOONGSON_DIAG_DTLB      (_ULCAST_(1) << 3)
1051 /* Allow some CACHE instructions (CACHE0, 1, 3, 21 and 23) in user mode */
1052 #define LOONGSON_DIAG_UCAC      (_ULCAST_(1) << 8)
1053 /* Flush VTLB */
1054 #define LOONGSON_DIAG_VTLB      (_ULCAST_(1) << 12)
1055 /* Flush FTLB */
1056 #define LOONGSON_DIAG_FTLB      (_ULCAST_(1) << 13)
1057
1058 /*
1059  * Diag1 (GSCause in Loongson-speak) fields
1060  */
1061 /* Loongson-specific exception code (GSExcCode) */
1062 #define LOONGSON_DIAG1_EXCCODE_SHIFT    2
1063 #define LOONGSON_DIAG1_EXCCODE          GENMASK(6, 2)
1064
1065 /* CvmCtl register field definitions */
1066 #define CVMCTL_IPPCI_SHIFT      7
1067 #define CVMCTL_IPPCI            (_U64CAST_(0x7) << CVMCTL_IPPCI_SHIFT)
1068 #define CVMCTL_IPTI_SHIFT       4
1069 #define CVMCTL_IPTI             (_U64CAST_(0x7) << CVMCTL_IPTI_SHIFT)
1070
1071 /* CvmMemCtl2 register field definitions */
1072 #define CVMMEMCTL2_INHIBITTS    (_U64CAST_(1) << 17)
1073
1074 /* CvmVMConfig register field definitions */
1075 #define CVMVMCONF_DGHT          (_U64CAST_(1) << 60)
1076 #define CVMVMCONF_MMUSIZEM1_S   12
1077 #define CVMVMCONF_MMUSIZEM1     (_U64CAST_(0xff) << CVMVMCONF_MMUSIZEM1_S)
1078 #define CVMVMCONF_RMMUSIZEM1_S  0
1079 #define CVMVMCONF_RMMUSIZEM1    (_U64CAST_(0xff) << CVMVMCONF_RMMUSIZEM1_S)
1080
1081 /*
1082  * Coprocessor 1 (FPU) register names
1083  */
1084 #define CP1_REVISION    $0
1085 #define CP1_UFR         $1
1086 #define CP1_UNFR        $4
1087 #define CP1_FCCR        $25
1088 #define CP1_FEXR        $26
1089 #define CP1_FENR        $28
1090 #define CP1_STATUS      $31
1091
1092
1093 /*
1094  * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
1095  */
1096 #define MIPS_FPIR_S             (_ULCAST_(1) << 16)
1097 #define MIPS_FPIR_D             (_ULCAST_(1) << 17)
1098 #define MIPS_FPIR_PS            (_ULCAST_(1) << 18)
1099 #define MIPS_FPIR_3D            (_ULCAST_(1) << 19)
1100 #define MIPS_FPIR_W             (_ULCAST_(1) << 20)
1101 #define MIPS_FPIR_L             (_ULCAST_(1) << 21)
1102 #define MIPS_FPIR_F64           (_ULCAST_(1) << 22)
1103 #define MIPS_FPIR_HAS2008       (_ULCAST_(1) << 23)
1104 #define MIPS_FPIR_UFRP          (_ULCAST_(1) << 28)
1105 #define MIPS_FPIR_FREP          (_ULCAST_(1) << 29)
1106
1107 /*
1108  * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
1109  */
1110 #define MIPS_FCCR_CONDX_S       0
1111 #define MIPS_FCCR_CONDX         (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
1112 #define MIPS_FCCR_COND0_S       0
1113 #define MIPS_FCCR_COND0         (_ULCAST_(1) << MIPS_FCCR_COND0_S)
1114 #define MIPS_FCCR_COND1_S       1
1115 #define MIPS_FCCR_COND1         (_ULCAST_(1) << MIPS_FCCR_COND1_S)
1116 #define MIPS_FCCR_COND2_S       2
1117 #define MIPS_FCCR_COND2         (_ULCAST_(1) << MIPS_FCCR_COND2_S)
1118 #define MIPS_FCCR_COND3_S       3
1119 #define MIPS_FCCR_COND3         (_ULCAST_(1) << MIPS_FCCR_COND3_S)
1120 #define MIPS_FCCR_COND4_S       4
1121 #define MIPS_FCCR_COND4         (_ULCAST_(1) << MIPS_FCCR_COND4_S)
1122 #define MIPS_FCCR_COND5_S       5
1123 #define MIPS_FCCR_COND5         (_ULCAST_(1) << MIPS_FCCR_COND5_S)
1124 #define MIPS_FCCR_COND6_S       6
1125 #define MIPS_FCCR_COND6         (_ULCAST_(1) << MIPS_FCCR_COND6_S)
1126 #define MIPS_FCCR_COND7_S       7
1127 #define MIPS_FCCR_COND7         (_ULCAST_(1) << MIPS_FCCR_COND7_S)
1128
1129 /*
1130  * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
1131  */
1132 #define MIPS_FENR_FS_S          2
1133 #define MIPS_FENR_FS            (_ULCAST_(1) << MIPS_FENR_FS_S)
1134
1135 /*
1136  * FPU Status Register Values
1137  */
1138 #define FPU_CSR_COND_S  23                                      /* $fcc0 */
1139 #define FPU_CSR_COND    (_ULCAST_(1) << FPU_CSR_COND_S)
1140
1141 #define FPU_CSR_FS_S    24              /* flush denormalised results to 0 */
1142 #define FPU_CSR_FS      (_ULCAST_(1) << FPU_CSR_FS_S)
1143
1144 #define FPU_CSR_CONDX_S 25                                      /* $fcc[7:1] */
1145 #define FPU_CSR_CONDX   (_ULCAST_(127) << FPU_CSR_CONDX_S)
1146 #define FPU_CSR_COND1_S 25                                      /* $fcc1 */
1147 #define FPU_CSR_COND1   (_ULCAST_(1) << FPU_CSR_COND1_S)
1148 #define FPU_CSR_COND2_S 26                                      /* $fcc2 */
1149 #define FPU_CSR_COND2   (_ULCAST_(1) << FPU_CSR_COND2_S)
1150 #define FPU_CSR_COND3_S 27                                      /* $fcc3 */
1151 #define FPU_CSR_COND3   (_ULCAST_(1) << FPU_CSR_COND3_S)
1152 #define FPU_CSR_COND4_S 28                                      /* $fcc4 */
1153 #define FPU_CSR_COND4   (_ULCAST_(1) << FPU_CSR_COND4_S)
1154 #define FPU_CSR_COND5_S 29                                      /* $fcc5 */
1155 #define FPU_CSR_COND5   (_ULCAST_(1) << FPU_CSR_COND5_S)
1156 #define FPU_CSR_COND6_S 30                                      /* $fcc6 */
1157 #define FPU_CSR_COND6   (_ULCAST_(1) << FPU_CSR_COND6_S)
1158 #define FPU_CSR_COND7_S 31                                      /* $fcc7 */
1159 #define FPU_CSR_COND7   (_ULCAST_(1) << FPU_CSR_COND7_S)
1160
1161 /*
1162  * Bits 22:20 of the FPU Status Register will be read as 0,
1163  * and should be written as zero.
1164  * MAC2008 was removed in Release 5 so we still treat it as
1165  * reserved.
1166  */
1167 #define FPU_CSR_RSVD    (_ULCAST_(7) << 20)
1168
1169 #define FPU_CSR_MAC2008 (_ULCAST_(1) << 20)
1170 #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
1171 #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
1172
1173 /*
1174  * X the exception cause indicator
1175  * E the exception enable
1176  * S the sticky/flag bit
1177 */
1178 #define FPU_CSR_ALL_X   0x0003f000
1179 #define FPU_CSR_UNI_X   0x00020000
1180 #define FPU_CSR_INV_X   0x00010000
1181 #define FPU_CSR_DIV_X   0x00008000
1182 #define FPU_CSR_OVF_X   0x00004000
1183 #define FPU_CSR_UDF_X   0x00002000
1184 #define FPU_CSR_INE_X   0x00001000
1185
1186 #define FPU_CSR_ALL_E   0x00000f80
1187 #define FPU_CSR_INV_E   0x00000800
1188 #define FPU_CSR_DIV_E   0x00000400
1189 #define FPU_CSR_OVF_E   0x00000200
1190 #define FPU_CSR_UDF_E   0x00000100
1191 #define FPU_CSR_INE_E   0x00000080
1192
1193 #define FPU_CSR_ALL_S   0x0000007c
1194 #define FPU_CSR_INV_S   0x00000040
1195 #define FPU_CSR_DIV_S   0x00000020
1196 #define FPU_CSR_OVF_S   0x00000010
1197 #define FPU_CSR_UDF_S   0x00000008
1198 #define FPU_CSR_INE_S   0x00000004
1199
1200 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1201 #define FPU_CSR_RM      0x00000003
1202 #define FPU_CSR_RN      0x0     /* nearest */
1203 #define FPU_CSR_RZ      0x1     /* towards zero */
1204 #define FPU_CSR_RU      0x2     /* towards +Infinity */
1205 #define FPU_CSR_RD      0x3     /* towards -Infinity */
1206
1207
1208 #ifndef __ASSEMBLY__
1209
1210 /*
1211  * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
1212  */
1213 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1214     defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
1215 #define get_isa16_mode(x)               ((x) & 0x1)
1216 #define msk_isa16_mode(x)               ((x) & ~0x1)
1217 #define set_isa16_mode(x)               do { (x) |= 0x1; } while(0)
1218 #else
1219 #define get_isa16_mode(x)               0
1220 #define msk_isa16_mode(x)               (x)
1221 #define set_isa16_mode(x)               do { } while(0)
1222 #endif
1223
1224 /*
1225  * microMIPS instructions can be 16-bit or 32-bit in length. This
1226  * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1227  */
1228 static inline int mm_insn_16bit(u16 insn)
1229 {
1230         u16 opcode = (insn >> 10) & 0x7;
1231
1232         return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1233 }
1234
1235 /*
1236  * Helper macros for generating raw instruction encodings in inline asm.
1237  */
1238 #ifdef CONFIG_CPU_MICROMIPS
1239 #define _ASM_INSN16_IF_MM(_enc)                 \
1240         ".insn\n\t"                             \
1241         ".hword (" #_enc ")\n\t"
1242 #define _ASM_INSN32_IF_MM(_enc)                 \
1243         ".insn\n\t"                             \
1244         ".hword ((" #_enc ") >> 16)\n\t"        \
1245         ".hword ((" #_enc ") & 0xffff)\n\t"
1246 #else
1247 #define _ASM_INSN_IF_MIPS(_enc)                 \
1248         ".insn\n\t"                             \
1249         ".word (" #_enc ")\n\t"
1250 #endif
1251
1252 #ifndef _ASM_INSN16_IF_MM
1253 #define _ASM_INSN16_IF_MM(_enc)
1254 #endif
1255 #ifndef _ASM_INSN32_IF_MM
1256 #define _ASM_INSN32_IF_MM(_enc)
1257 #endif
1258 #ifndef _ASM_INSN_IF_MIPS
1259 #define _ASM_INSN_IF_MIPS(_enc)
1260 #endif
1261
1262 /*
1263  * parse_r var, r - Helper assembler macro for parsing register names.
1264  *
1265  * This converts the register name in $n form provided in \r to the
1266  * corresponding register number, which is assigned to the variable \var. It is
1267  * needed to allow explicit encoding of instructions in inline assembly where
1268  * registers are chosen by the compiler in $n form, allowing us to avoid using
1269  * fixed register numbers.
1270  *
1271  * It also allows newer instructions (not implemented by the assembler) to be
1272  * transparently implemented using assembler macros, instead of needing separate
1273  * cases depending on toolchain support.
1274  *
1275  * Simple usage example:
1276  * __asm__ __volatile__("parse_r __rt, %0\n\t"
1277  *                      ".insn\n\t"
1278  *                      "# di    %0\n\t"
1279  *                      ".word   (0x41606000 | (__rt << 16))"
1280  *                      : "=r" (status);
1281  */
1282
1283 /* Match an individual register number and assign to \var */
1284 #define _IFC_REG(n)                             \
1285         ".ifc   \\r, $" #n "\n\t"               \
1286         "\\var  = " #n "\n\t"                   \
1287         ".endif\n\t"
1288
1289 __asm__(".macro parse_r var r\n\t"
1290         "\\var  = -1\n\t"
1291         _IFC_REG(0)  _IFC_REG(1)  _IFC_REG(2)  _IFC_REG(3)
1292         _IFC_REG(4)  _IFC_REG(5)  _IFC_REG(6)  _IFC_REG(7)
1293         _IFC_REG(8)  _IFC_REG(9)  _IFC_REG(10) _IFC_REG(11)
1294         _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15)
1295         _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19)
1296         _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23)
1297         _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27)
1298         _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31)
1299         ".iflt  \\var\n\t"
1300         ".error \"Unable to parse register name \\r\"\n\t"
1301         ".endif\n\t"
1302         ".endm");
1303
1304 #undef _IFC_REG
1305
1306 /*
1307  * C macros for generating assembler macros for common instruction formats.
1308  *
1309  * The names of the operands can be chosen by the caller, and the encoding of
1310  * register operand \<Rn> is assigned to __<Rn> where it can be accessed from
1311  * the ENC encodings.
1312  */
1313
1314 /* Instructions with no operands */
1315 #define _ASM_MACRO_0(OP, ENC)                                           \
1316         __asm__(".macro " #OP "\n\t"                                    \
1317                 ENC                                                     \
1318                 ".endm")
1319
1320 /* Instructions with 1 register operand & 1 immediate operand */
1321 #define _ASM_MACRO_1R1I(OP, R1, I2, ENC)                                \
1322         __asm__(".macro " #OP " " #R1 ", " #I2 "\n\t"                   \
1323                 "parse_r __" #R1 ", \\" #R1 "\n\t"                      \
1324                 ENC                                                     \
1325                 ".endm")
1326
1327 /* Instructions with 2 register operands */
1328 #define _ASM_MACRO_2R(OP, R1, R2, ENC)                                  \
1329         __asm__(".macro " #OP " " #R1 ", " #R2 "\n\t"                   \
1330                 "parse_r __" #R1 ", \\" #R1 "\n\t"                      \
1331                 "parse_r __" #R2 ", \\" #R2 "\n\t"                      \
1332                 ENC                                                     \
1333                 ".endm")
1334
1335 /* Instructions with 3 register operands */
1336 #define _ASM_MACRO_3R(OP, R1, R2, R3, ENC)                              \
1337         __asm__(".macro " #OP " " #R1 ", " #R2 ", " #R3 "\n\t"          \
1338                 "parse_r __" #R1 ", \\" #R1 "\n\t"                      \
1339                 "parse_r __" #R2 ", \\" #R2 "\n\t"                      \
1340                 "parse_r __" #R3 ", \\" #R3 "\n\t"                      \
1341                 ENC                                                     \
1342                 ".endm")
1343
1344 /* Instructions with 2 register operands and 1 optional select operand */
1345 #define _ASM_MACRO_2R_1S(OP, R1, R2, SEL3, ENC)                         \
1346         __asm__(".macro " #OP " " #R1 ", " #R2 ", " #SEL3 " = 0\n\t"    \
1347                 "parse_r __" #R1 ", \\" #R1 "\n\t"                      \
1348                 "parse_r __" #R2 ", \\" #R2 "\n\t"                      \
1349                 ENC                                                     \
1350                 ".endm")
1351
1352 /*
1353  * TLB Invalidate Flush
1354  */
1355 static inline void tlbinvf(void)
1356 {
1357         __asm__ __volatile__(
1358                 ".set push\n\t"
1359                 ".set noreorder\n\t"
1360                 "# tlbinvf\n\t"
1361                 _ASM_INSN_IF_MIPS(0x42000004)
1362                 _ASM_INSN32_IF_MM(0x0000537c)
1363                 ".set pop");
1364 }
1365
1366
1367 /*
1368  * Functions to access the R10000 performance counters.  These are basically
1369  * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1370  * performance counter number encoded into bits 1 ... 5 of the instruction.
1371  * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1372  * disassembler these will look like an access to sel 0 or 1.
1373  */
1374 #define read_r10k_perf_cntr(counter)                            \
1375 ({                                                              \
1376         unsigned int __res;                                     \
1377         __asm__ __volatile__(                                   \
1378         "mfpc\t%0, %1"                                          \
1379         : "=r" (__res)                                          \
1380         : "i" (counter));                                       \
1381                                                                 \
1382         __res;                                                  \
1383 })
1384
1385 #define write_r10k_perf_cntr(counter,val)                       \
1386 do {                                                            \
1387         __asm__ __volatile__(                                   \
1388         "mtpc\t%0, %1"                                          \
1389         :                                                       \
1390         : "r" (val), "i" (counter));                            \
1391 } while (0)
1392
1393 #define read_r10k_perf_event(counter)                           \
1394 ({                                                              \
1395         unsigned int __res;                                     \
1396         __asm__ __volatile__(                                   \
1397         "mfps\t%0, %1"                                          \
1398         : "=r" (__res)                                          \
1399         : "i" (counter));                                       \
1400                                                                 \
1401         __res;                                                  \
1402 })
1403
1404 #define write_r10k_perf_cntl(counter,val)                       \
1405 do {                                                            \
1406         __asm__ __volatile__(                                   \
1407         "mtps\t%0, %1"                                          \
1408         :                                                       \
1409         : "r" (val), "i" (counter));                            \
1410 } while (0)
1411
1412
1413 /*
1414  * Macros to access the system control coprocessor
1415  */
1416
1417 #define ___read_32bit_c0_register(source, sel, vol)                     \
1418 ({ unsigned int __res;                                                  \
1419         if (sel == 0)                                                   \
1420                 __asm__ vol(                                            \
1421                         "mfc0\t%0, " #source "\n\t"                     \
1422                         : "=r" (__res));                                \
1423         else                                                            \
1424                 __asm__ vol(                                            \
1425                         ".set\tpush\n\t"                                \
1426                         ".set\tmips32\n\t"                              \
1427                         "mfc0\t%0, " #source ", " #sel "\n\t"           \
1428                         ".set\tpop\n\t"                                 \
1429                         : "=r" (__res));                                \
1430         __res;                                                          \
1431 })
1432
1433 #define ___read_64bit_c0_register(source, sel, vol)                     \
1434 ({ unsigned long long __res;                                            \
1435         if (sizeof(unsigned long) == 4)                                 \
1436                 __res = __read_64bit_c0_split(source, sel, vol);        \
1437         else if (sel == 0)                                              \
1438                 __asm__ vol(                                            \
1439                         ".set\tpush\n\t"                                \
1440                         ".set\tmips3\n\t"                               \
1441                         "dmfc0\t%0, " #source "\n\t"                    \
1442                         ".set\tpop"                                     \
1443                         : "=r" (__res));                                \
1444         else                                                            \
1445                 __asm__ vol(                                            \
1446                         ".set\tpush\n\t"                                \
1447                         ".set\tmips64\n\t"                              \
1448                         "dmfc0\t%0, " #source ", " #sel "\n\t"          \
1449                         ".set\tpop"                                     \
1450                         : "=r" (__res));                                \
1451         __res;                                                          \
1452 })
1453
1454 #define __read_32bit_c0_register(source, sel)                           \
1455         ___read_32bit_c0_register(source, sel, __volatile__)
1456
1457 #define __read_const_32bit_c0_register(source, sel)                     \
1458         ___read_32bit_c0_register(source, sel,)
1459
1460 #define __read_64bit_c0_register(source, sel)                           \
1461         ___read_64bit_c0_register(source, sel, __volatile__)
1462
1463 #define __read_const_64bit_c0_register(source, sel)                     \
1464         ___read_64bit_c0_register(source, sel,)
1465
1466 #define __write_32bit_c0_register(register, sel, value)                 \
1467 do {                                                                    \
1468         if (sel == 0)                                                   \
1469                 __asm__ __volatile__(                                   \
1470                         "mtc0\t%z0, " #register "\n\t"                  \
1471                         : : "Jr" ((unsigned int)(value)));              \
1472         else                                                            \
1473                 __asm__ __volatile__(                                   \
1474                         ".set\tpush\n\t"                                \
1475                         ".set\tmips32\n\t"                              \
1476                         "mtc0\t%z0, " #register ", " #sel "\n\t"        \
1477                         ".set\tpop"                                     \
1478                         : : "Jr" ((unsigned int)(value)));              \
1479 } while (0)
1480
1481 #define __write_64bit_c0_register(register, sel, value)                 \
1482 do {                                                                    \
1483         if (sizeof(unsigned long) == 4)                                 \
1484                 __write_64bit_c0_split(register, sel, value);           \
1485         else if (sel == 0)                                              \
1486                 __asm__ __volatile__(                                   \
1487                         ".set\tpush\n\t"                                \
1488                         ".set\tmips3\n\t"                               \
1489                         "dmtc0\t%z0, " #register "\n\t"                 \
1490                         ".set\tpop"                                     \
1491                         : : "Jr" (value));                              \
1492         else                                                            \
1493                 __asm__ __volatile__(                                   \
1494                         ".set\tpush\n\t"                                \
1495                         ".set\tmips64\n\t"                              \
1496                         "dmtc0\t%z0, " #register ", " #sel "\n\t"       \
1497                         ".set\tpop"                                     \
1498                         : : "Jr" (value));                              \
1499 } while (0)
1500
1501 #define __read_ulong_c0_register(reg, sel)                              \
1502         ((sizeof(unsigned long) == 4) ?                                 \
1503         (unsigned long) __read_32bit_c0_register(reg, sel) :            \
1504         (unsigned long) __read_64bit_c0_register(reg, sel))
1505
1506 #define __read_const_ulong_c0_register(reg, sel)                        \
1507         ((sizeof(unsigned long) == 4) ?                                 \
1508         (unsigned long) __read_const_32bit_c0_register(reg, sel) :      \
1509         (unsigned long) __read_const_64bit_c0_register(reg, sel))
1510
1511 #define __write_ulong_c0_register(reg, sel, val)                        \
1512 do {                                                                    \
1513         if (sizeof(unsigned long) == 4)                                 \
1514                 __write_32bit_c0_register(reg, sel, val);               \
1515         else                                                            \
1516                 __write_64bit_c0_register(reg, sel, val);               \
1517 } while (0)
1518
1519 /*
1520  * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1521  */
1522 #define __read_32bit_c0_ctrl_register(source)                           \
1523 ({ unsigned int __res;                                                  \
1524         __asm__ __volatile__(                                           \
1525                 "cfc0\t%0, " #source "\n\t"                             \
1526                 : "=r" (__res));                                        \
1527         __res;                                                          \
1528 })
1529
1530 #define __write_32bit_c0_ctrl_register(register, value)                 \
1531 do {                                                                    \
1532         __asm__ __volatile__(                                           \
1533                 "ctc0\t%z0, " #register "\n\t"                          \
1534                 : : "Jr" ((unsigned int)(value)));                      \
1535 } while (0)
1536
1537 /*
1538  * These versions are only needed for systems with more than 38 bits of
1539  * physical address space running the 32-bit kernel.  That's none atm :-)
1540  */
1541 #define __read_64bit_c0_split(source, sel, vol)                         \
1542 ({                                                                      \
1543         unsigned long long __val;                                       \
1544         unsigned long __flags;                                          \
1545                                                                         \
1546         local_irq_save(__flags);                                        \
1547         if (sel == 0)                                                   \
1548                 __asm__ vol(                                            \
1549                         ".set\tpush\n\t"                                \
1550                         ".set\tmips64\n\t"                              \
1551                         "dmfc0\t%L0, " #source "\n\t"                   \
1552                         "dsra\t%M0, %L0, 32\n\t"                        \
1553                         "sll\t%L0, %L0, 0\n\t"                          \
1554                         ".set\tpop"                                     \
1555                         : "=r" (__val));                                \
1556         else                                                            \
1557                 __asm__ vol(                                            \
1558                         ".set\tpush\n\t"                                \
1559                         ".set\tmips64\n\t"                              \
1560                         "dmfc0\t%L0, " #source ", " #sel "\n\t"         \
1561                         "dsra\t%M0, %L0, 32\n\t"                        \
1562                         "sll\t%L0, %L0, 0\n\t"                          \
1563                         ".set\tpop"                                     \
1564                         : "=r" (__val));                                \
1565         local_irq_restore(__flags);                                     \
1566                                                                         \
1567         __val;                                                          \
1568 })
1569
1570 #define __write_64bit_c0_split(source, sel, val)                        \
1571 do {                                                                    \
1572         unsigned long long __tmp = (val);                               \
1573         unsigned long __flags;                                          \
1574                                                                         \
1575         local_irq_save(__flags);                                        \
1576         if (MIPS_ISA_REV >= 2)                                          \
1577                 __asm__ __volatile__(                                   \
1578                         ".set\tpush\n\t"                                \
1579                         ".set\t" MIPS_ISA_LEVEL "\n\t"                  \
1580                         "dins\t%L0, %M0, 32, 32\n\t"                    \
1581                         "dmtc0\t%L0, " #source ", " #sel "\n\t"         \
1582                         ".set\tpop"                                     \
1583                         : "+r" (__tmp));                                \
1584         else if (sel == 0)                                              \
1585                 __asm__ __volatile__(                                   \
1586                         ".set\tpush\n\t"                                \
1587                         ".set\tmips64\n\t"                              \
1588                         "dsll\t%L0, %L0, 32\n\t"                        \
1589                         "dsrl\t%L0, %L0, 32\n\t"                        \
1590                         "dsll\t%M0, %M0, 32\n\t"                        \
1591                         "or\t%L0, %L0, %M0\n\t"                         \
1592                         "dmtc0\t%L0, " #source "\n\t"                   \
1593                         ".set\tpop"                                     \
1594                         : "+r" (__tmp));                                \
1595         else                                                            \
1596                 __asm__ __volatile__(                                   \
1597                         ".set\tpush\n\t"                                \
1598                         ".set\tmips64\n\t"                              \
1599                         "dsll\t%L0, %L0, 32\n\t"                        \
1600                         "dsrl\t%L0, %L0, 32\n\t"                        \
1601                         "dsll\t%M0, %M0, 32\n\t"                        \
1602                         "or\t%L0, %L0, %M0\n\t"                         \
1603                         "dmtc0\t%L0, " #source ", " #sel "\n\t"         \
1604                         ".set\tpop"                                     \
1605                         : "+r" (__tmp));                                \
1606         local_irq_restore(__flags);                                     \
1607 } while (0)
1608
1609 #ifndef TOOLCHAIN_SUPPORTS_XPA
1610 _ASM_MACRO_2R_1S(mfhc0, rt, rs, sel,
1611         _ASM_INSN_IF_MIPS(0x40400000 | __rt << 16 | __rs << 11 | \\sel)
1612         _ASM_INSN32_IF_MM(0x000000f4 | __rt << 21 | __rs << 16 | \\sel << 11));
1613 _ASM_MACRO_2R_1S(mthc0, rt, rd, sel,
1614         _ASM_INSN_IF_MIPS(0x40c00000 | __rt << 16 | __rd << 11 | \\sel)
1615         _ASM_INSN32_IF_MM(0x000002f4 | __rt << 21 | __rd << 16 | \\sel << 11));
1616 #define _ASM_SET_XPA ""
1617 #else   /* !TOOLCHAIN_SUPPORTS_XPA */
1618 #define _ASM_SET_XPA ".set\txpa\n\t"
1619 #endif
1620
1621 #define __readx_32bit_c0_register(source, sel)                          \
1622 ({                                                                      \
1623         unsigned int __res;                                             \
1624                                                                         \
1625         __asm__ __volatile__(                                           \
1626         "       .set    push                                    \n"     \
1627         "       .set    mips32r2                                \n"     \
1628         _ASM_SET_XPA                                                    \
1629         "       mfhc0   %0, " #source ", %1                     \n"     \
1630         "       .set    pop                                     \n"     \
1631         : "=r" (__res)                                                  \
1632         : "i" (sel));                                                   \
1633         __res;                                                          \
1634 })
1635
1636 #define __writex_32bit_c0_register(register, sel, value)                \
1637 do {                                                                    \
1638         __asm__ __volatile__(                                           \
1639         "       .set    push                                    \n"     \
1640         "       .set    mips32r2                                \n"     \
1641         _ASM_SET_XPA                                                    \
1642         "       mthc0   %z0, " #register ", %1                  \n"     \
1643         "       .set    pop                                     \n"     \
1644         :                                                               \
1645         : "Jr" (value), "i" (sel));                                     \
1646 } while (0)
1647
1648 #define read_c0_index()         __read_32bit_c0_register($0, 0)
1649 #define write_c0_index(val)     __write_32bit_c0_register($0, 0, val)
1650
1651 #define read_c0_random()        __read_32bit_c0_register($1, 0)
1652 #define write_c0_random(val)    __write_32bit_c0_register($1, 0, val)
1653
1654 #define read_c0_entrylo0()      __read_ulong_c0_register($2, 0)
1655 #define write_c0_entrylo0(val)  __write_ulong_c0_register($2, 0, val)
1656
1657 #define readx_c0_entrylo0()     __readx_32bit_c0_register($2, 0)
1658 #define writex_c0_entrylo0(val) __writex_32bit_c0_register($2, 0, val)
1659
1660 #define read_c0_entrylo1()      __read_ulong_c0_register($3, 0)
1661 #define write_c0_entrylo1(val)  __write_ulong_c0_register($3, 0, val)
1662
1663 #define readx_c0_entrylo1()     __readx_32bit_c0_register($3, 0)
1664 #define writex_c0_entrylo1(val) __writex_32bit_c0_register($3, 0, val)
1665
1666 #define read_c0_conf()          __read_32bit_c0_register($3, 0)
1667 #define write_c0_conf(val)      __write_32bit_c0_register($3, 0, val)
1668
1669 #define read_c0_globalnumber()  __read_32bit_c0_register($3, 1)
1670
1671 #define read_c0_context()       __read_ulong_c0_register($4, 0)
1672 #define write_c0_context(val)   __write_ulong_c0_register($4, 0, val)
1673
1674 #define read_c0_contextconfig()         __read_32bit_c0_register($4, 1)
1675 #define write_c0_contextconfig(val)     __write_32bit_c0_register($4, 1, val)
1676
1677 #define read_c0_userlocal()     __read_ulong_c0_register($4, 2)
1678 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
1679
1680 #define read_c0_xcontextconfig()        __read_ulong_c0_register($4, 3)
1681 #define write_c0_xcontextconfig(val)    __write_ulong_c0_register($4, 3, val)
1682
1683 #define read_c0_memorymapid()           __read_32bit_c0_register($4, 5)
1684 #define write_c0_memorymapid(val)       __write_32bit_c0_register($4, 5, val)
1685
1686 #define read_c0_pagemask()      __read_32bit_c0_register($5, 0)
1687 #define write_c0_pagemask(val)  __write_32bit_c0_register($5, 0, val)
1688
1689 #define read_c0_pagegrain()     __read_32bit_c0_register($5, 1)
1690 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
1691
1692 #define read_c0_wired()         __read_32bit_c0_register($6, 0)
1693 #define write_c0_wired(val)     __write_32bit_c0_register($6, 0, val)
1694
1695 #define read_c0_info()          __read_32bit_c0_register($7, 0)
1696
1697 #define read_c0_cache()         __read_32bit_c0_register($7, 0) /* TX39xx */
1698 #define write_c0_cache(val)     __write_32bit_c0_register($7, 0, val)
1699
1700 #define read_c0_badvaddr()      __read_ulong_c0_register($8, 0)
1701 #define write_c0_badvaddr(val)  __write_ulong_c0_register($8, 0, val)
1702
1703 #define read_c0_badinstr()      __read_32bit_c0_register($8, 1)
1704 #define read_c0_badinstrp()     __read_32bit_c0_register($8, 2)
1705
1706 #define read_c0_count()         __read_32bit_c0_register($9, 0)
1707 #define write_c0_count(val)     __write_32bit_c0_register($9, 0, val)
1708
1709 #define read_c0_count2()        __read_32bit_c0_register($9, 6) /* pnx8550 */
1710 #define write_c0_count2(val)    __write_32bit_c0_register($9, 6, val)
1711
1712 #define read_c0_count3()        __read_32bit_c0_register($9, 7) /* pnx8550 */
1713 #define write_c0_count3(val)    __write_32bit_c0_register($9, 7, val)
1714
1715 #define read_c0_entryhi()       __read_ulong_c0_register($10, 0)
1716 #define write_c0_entryhi(val)   __write_ulong_c0_register($10, 0, val)
1717
1718 #define read_c0_guestctl1()     __read_32bit_c0_register($10, 4)
1719 #define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
1720
1721 #define read_c0_guestctl2()     __read_32bit_c0_register($10, 5)
1722 #define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val)
1723
1724 #define read_c0_guestctl3()     __read_32bit_c0_register($10, 6)
1725 #define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val)
1726
1727 #define read_c0_compare()       __read_32bit_c0_register($11, 0)
1728 #define write_c0_compare(val)   __write_32bit_c0_register($11, 0, val)
1729
1730 #define read_c0_guestctl0ext()  __read_32bit_c0_register($11, 4)
1731 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1732
1733 #define read_c0_compare2()      __read_32bit_c0_register($11, 6) /* pnx8550 */
1734 #define write_c0_compare2(val)  __write_32bit_c0_register($11, 6, val)
1735
1736 #define read_c0_compare3()      __read_32bit_c0_register($11, 7) /* pnx8550 */
1737 #define write_c0_compare3(val)  __write_32bit_c0_register($11, 7, val)
1738
1739 #define read_c0_status()        __read_32bit_c0_register($12, 0)
1740
1741 #define write_c0_status(val)    __write_32bit_c0_register($12, 0, val)
1742
1743 #define read_c0_guestctl0()     __read_32bit_c0_register($12, 6)
1744 #define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val)
1745
1746 #define read_c0_gtoffset()      __read_32bit_c0_register($12, 7)
1747 #define write_c0_gtoffset(val)  __write_32bit_c0_register($12, 7, val)
1748
1749 #define read_c0_cause()         __read_32bit_c0_register($13, 0)
1750 #define write_c0_cause(val)     __write_32bit_c0_register($13, 0, val)
1751
1752 #define read_c0_epc()           __read_ulong_c0_register($14, 0)
1753 #define write_c0_epc(val)       __write_ulong_c0_register($14, 0, val)
1754
1755 #define read_c0_prid()          __read_const_32bit_c0_register($15, 0)
1756
1757 #define read_c0_cmgcrbase()     __read_ulong_c0_register($15, 3)
1758
1759 #define read_c0_config()        __read_32bit_c0_register($16, 0)
1760 #define read_c0_config1()       __read_32bit_c0_register($16, 1)
1761 #define read_c0_config2()       __read_32bit_c0_register($16, 2)
1762 #define read_c0_config3()       __read_32bit_c0_register($16, 3)
1763 #define read_c0_config4()       __read_32bit_c0_register($16, 4)
1764 #define read_c0_config5()       __read_32bit_c0_register($16, 5)
1765 #define read_c0_config6()       __read_32bit_c0_register($16, 6)
1766 #define read_c0_config7()       __read_32bit_c0_register($16, 7)
1767 #define write_c0_config(val)    __write_32bit_c0_register($16, 0, val)
1768 #define write_c0_config1(val)   __write_32bit_c0_register($16, 1, val)
1769 #define write_c0_config2(val)   __write_32bit_c0_register($16, 2, val)
1770 #define write_c0_config3(val)   __write_32bit_c0_register($16, 3, val)
1771 #define write_c0_config4(val)   __write_32bit_c0_register($16, 4, val)
1772 #define write_c0_config5(val)   __write_32bit_c0_register($16, 5, val)
1773 #define write_c0_config6(val)   __write_32bit_c0_register($16, 6, val)
1774 #define write_c0_config7(val)   __write_32bit_c0_register($16, 7, val)
1775
1776 #define read_c0_lladdr()        __read_ulong_c0_register($17, 0)
1777 #define write_c0_lladdr(val)    __write_ulong_c0_register($17, 0, val)
1778 #define read_c0_maar()          __read_ulong_c0_register($17, 1)
1779 #define write_c0_maar(val)      __write_ulong_c0_register($17, 1, val)
1780 #define readx_c0_maar()         __readx_32bit_c0_register($17, 1)
1781 #define writex_c0_maar(val)     __writex_32bit_c0_register($17, 1, val)
1782 #define read_c0_maari()         __read_32bit_c0_register($17, 2)
1783 #define write_c0_maari(val)     __write_32bit_c0_register($17, 2, val)
1784
1785 /*
1786  * The WatchLo register.  There may be up to 8 of them.
1787  */
1788 #define read_c0_watchlo0()      __read_ulong_c0_register($18, 0)
1789 #define read_c0_watchlo1()      __read_ulong_c0_register($18, 1)
1790 #define read_c0_watchlo2()      __read_ulong_c0_register($18, 2)
1791 #define read_c0_watchlo3()      __read_ulong_c0_register($18, 3)
1792 #define read_c0_watchlo4()      __read_ulong_c0_register($18, 4)
1793 #define read_c0_watchlo5()      __read_ulong_c0_register($18, 5)
1794 #define read_c0_watchlo6()      __read_ulong_c0_register($18, 6)
1795 #define read_c0_watchlo7()      __read_ulong_c0_register($18, 7)
1796 #define write_c0_watchlo0(val)  __write_ulong_c0_register($18, 0, val)
1797 #define write_c0_watchlo1(val)  __write_ulong_c0_register($18, 1, val)
1798 #define write_c0_watchlo2(val)  __write_ulong_c0_register($18, 2, val)
1799 #define write_c0_watchlo3(val)  __write_ulong_c0_register($18, 3, val)
1800 #define write_c0_watchlo4(val)  __write_ulong_c0_register($18, 4, val)
1801 #define write_c0_watchlo5(val)  __write_ulong_c0_register($18, 5, val)
1802 #define write_c0_watchlo6(val)  __write_ulong_c0_register($18, 6, val)
1803 #define write_c0_watchlo7(val)  __write_ulong_c0_register($18, 7, val)
1804
1805 /*
1806  * The WatchHi register.  There may be up to 8 of them.
1807  */
1808 #define read_c0_watchhi0()      __read_32bit_c0_register($19, 0)
1809 #define read_c0_watchhi1()      __read_32bit_c0_register($19, 1)
1810 #define read_c0_watchhi2()      __read_32bit_c0_register($19, 2)
1811 #define read_c0_watchhi3()      __read_32bit_c0_register($19, 3)
1812 #define read_c0_watchhi4()      __read_32bit_c0_register($19, 4)
1813 #define read_c0_watchhi5()      __read_32bit_c0_register($19, 5)
1814 #define read_c0_watchhi6()      __read_32bit_c0_register($19, 6)
1815 #define read_c0_watchhi7()      __read_32bit_c0_register($19, 7)
1816
1817 #define write_c0_watchhi0(val)  __write_32bit_c0_register($19, 0, val)
1818 #define write_c0_watchhi1(val)  __write_32bit_c0_register($19, 1, val)
1819 #define write_c0_watchhi2(val)  __write_32bit_c0_register($19, 2, val)
1820 #define write_c0_watchhi3(val)  __write_32bit_c0_register($19, 3, val)
1821 #define write_c0_watchhi4(val)  __write_32bit_c0_register($19, 4, val)
1822 #define write_c0_watchhi5(val)  __write_32bit_c0_register($19, 5, val)
1823 #define write_c0_watchhi6(val)  __write_32bit_c0_register($19, 6, val)
1824 #define write_c0_watchhi7(val)  __write_32bit_c0_register($19, 7, val)
1825
1826 #define read_c0_xcontext()      __read_ulong_c0_register($20, 0)
1827 #define write_c0_xcontext(val)  __write_ulong_c0_register($20, 0, val)
1828
1829 #define read_c0_intcontrol()    __read_32bit_c0_ctrl_register($20)
1830 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1831
1832 #define read_c0_framemask()     __read_32bit_c0_register($21, 0)
1833 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1834
1835 #define read_c0_diag()          __read_32bit_c0_register($22, 0)
1836 #define write_c0_diag(val)      __write_32bit_c0_register($22, 0, val)
1837
1838 /* R10K CP0 Branch Diagnostic register is 64bits wide */
1839 #define read_c0_r10k_diag()     __read_64bit_c0_register($22, 0)
1840 #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1841
1842 #define read_c0_diag1()         __read_32bit_c0_register($22, 1)
1843 #define write_c0_diag1(val)     __write_32bit_c0_register($22, 1, val)
1844
1845 #define read_c0_diag2()         __read_32bit_c0_register($22, 2)
1846 #define write_c0_diag2(val)     __write_32bit_c0_register($22, 2, val)
1847
1848 #define read_c0_diag3()         __read_32bit_c0_register($22, 3)
1849 #define write_c0_diag3(val)     __write_32bit_c0_register($22, 3, val)
1850
1851 #define read_c0_diag4()         __read_32bit_c0_register($22, 4)
1852 #define write_c0_diag4(val)     __write_32bit_c0_register($22, 4, val)
1853
1854 #define read_c0_diag5()         __read_32bit_c0_register($22, 5)
1855 #define write_c0_diag5(val)     __write_32bit_c0_register($22, 5, val)
1856
1857 #define read_c0_debug()         __read_32bit_c0_register($23, 0)
1858 #define write_c0_debug(val)     __write_32bit_c0_register($23, 0, val)
1859
1860 #define read_c0_depc()          __read_ulong_c0_register($24, 0)
1861 #define write_c0_depc(val)      __write_ulong_c0_register($24, 0, val)
1862
1863 /*
1864  * MIPS32 / MIPS64 performance counters
1865  */
1866 #define read_c0_perfctrl0()     __read_32bit_c0_register($25, 0)
1867 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1868 #define read_c0_perfcntr0()     __read_32bit_c0_register($25, 1)
1869 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
1870 #define read_c0_perfcntr0_64()  __read_64bit_c0_register($25, 1)
1871 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1872 #define read_c0_perfctrl1()     __read_32bit_c0_register($25, 2)
1873 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1874 #define read_c0_perfcntr1()     __read_32bit_c0_register($25, 3)
1875 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
1876 #define read_c0_perfcntr1_64()  __read_64bit_c0_register($25, 3)
1877 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1878 #define read_c0_perfctrl2()     __read_32bit_c0_register($25, 4)
1879 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1880 #define read_c0_perfcntr2()     __read_32bit_c0_register($25, 5)
1881 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
1882 #define read_c0_perfcntr2_64()  __read_64bit_c0_register($25, 5)
1883 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1884 #define read_c0_perfctrl3()     __read_32bit_c0_register($25, 6)
1885 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1886 #define read_c0_perfcntr3()     __read_32bit_c0_register($25, 7)
1887 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
1888 #define read_c0_perfcntr3_64()  __read_64bit_c0_register($25, 7)
1889 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1890
1891 #define read_c0_ecc()           __read_32bit_c0_register($26, 0)
1892 #define write_c0_ecc(val)       __write_32bit_c0_register($26, 0, val)
1893
1894 #define read_c0_derraddr0()     __read_ulong_c0_register($26, 1)
1895 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1896
1897 #define read_c0_cacheerr()      __read_32bit_c0_register($27, 0)
1898
1899 #define read_c0_derraddr1()     __read_ulong_c0_register($27, 1)
1900 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1901
1902 #define read_c0_taglo()         __read_32bit_c0_register($28, 0)
1903 #define write_c0_taglo(val)     __write_32bit_c0_register($28, 0, val)
1904
1905 #define read_c0_dtaglo()        __read_32bit_c0_register($28, 2)
1906 #define write_c0_dtaglo(val)    __write_32bit_c0_register($28, 2, val)
1907
1908 #define read_c0_ddatalo()       __read_32bit_c0_register($28, 3)
1909 #define write_c0_ddatalo(val)   __write_32bit_c0_register($28, 3, val)
1910
1911 #define read_c0_staglo()        __read_32bit_c0_register($28, 4)
1912 #define write_c0_staglo(val)    __write_32bit_c0_register($28, 4, val)
1913
1914 #define read_c0_taghi()         __read_32bit_c0_register($29, 0)
1915 #define write_c0_taghi(val)     __write_32bit_c0_register($29, 0, val)
1916
1917 #define read_c0_errorepc()      __read_ulong_c0_register($30, 0)
1918 #define write_c0_errorepc(val)  __write_ulong_c0_register($30, 0, val)
1919
1920 /* MIPSR2 */
1921 #define read_c0_hwrena()        __read_32bit_c0_register($7, 0)
1922 #define write_c0_hwrena(val)    __write_32bit_c0_register($7, 0, val)
1923
1924 #define read_c0_intctl()        __read_32bit_c0_register($12, 1)
1925 #define write_c0_intctl(val)    __write_32bit_c0_register($12, 1, val)
1926
1927 #define read_c0_srsctl()        __read_32bit_c0_register($12, 2)
1928 #define write_c0_srsctl(val)    __write_32bit_c0_register($12, 2, val)
1929
1930 #define read_c0_srsmap()        __read_32bit_c0_register($12, 3)
1931 #define write_c0_srsmap(val)    __write_32bit_c0_register($12, 3, val)
1932
1933 #define read_c0_ebase()         __read_32bit_c0_register($15, 1)
1934 #define write_c0_ebase(val)     __write_32bit_c0_register($15, 1, val)
1935
1936 #define read_c0_ebase_64()      __read_64bit_c0_register($15, 1)
1937 #define write_c0_ebase_64(val)  __write_64bit_c0_register($15, 1, val)
1938
1939 #define read_c0_cdmmbase()      __read_ulong_c0_register($15, 2)
1940 #define write_c0_cdmmbase(val)  __write_ulong_c0_register($15, 2, val)
1941
1942 /* MIPSR3 */
1943 #define read_c0_segctl0()       __read_32bit_c0_register($5, 2)
1944 #define write_c0_segctl0(val)   __write_32bit_c0_register($5, 2, val)
1945
1946 #define read_c0_segctl1()       __read_32bit_c0_register($5, 3)
1947 #define write_c0_segctl1(val)   __write_32bit_c0_register($5, 3, val)
1948
1949 #define read_c0_segctl2()       __read_32bit_c0_register($5, 4)
1950 #define write_c0_segctl2(val)   __write_32bit_c0_register($5, 4, val)
1951
1952 /* Hardware Page Table Walker */
1953 #define read_c0_pwbase()        __read_ulong_c0_register($5, 5)
1954 #define write_c0_pwbase(val)    __write_ulong_c0_register($5, 5, val)
1955
1956 #define read_c0_pwfield()       __read_ulong_c0_register($5, 6)
1957 #define write_c0_pwfield(val)   __write_ulong_c0_register($5, 6, val)
1958
1959 #define read_c0_pwsize()        __read_ulong_c0_register($5, 7)
1960 #define write_c0_pwsize(val)    __write_ulong_c0_register($5, 7, val)
1961
1962 #define read_c0_pwctl()         __read_32bit_c0_register($6, 6)
1963 #define write_c0_pwctl(val)     __write_32bit_c0_register($6, 6, val)
1964
1965 #define read_c0_pgd()           __read_64bit_c0_register($9, 7)
1966 #define write_c0_pgd(val)       __write_64bit_c0_register($9, 7, val)
1967
1968 #define read_c0_kpgd()          __read_64bit_c0_register($31, 7)
1969 #define write_c0_kpgd(val)      __write_64bit_c0_register($31, 7, val)
1970
1971 /* Cavium OCTEON (cnMIPS) */
1972 #define read_c0_cvmcount()      __read_ulong_c0_register($9, 6)
1973 #define write_c0_cvmcount(val)  __write_ulong_c0_register($9, 6, val)
1974
1975 #define read_c0_cvmctl()        __read_64bit_c0_register($9, 7)
1976 #define write_c0_cvmctl(val)    __write_64bit_c0_register($9, 7, val)
1977
1978 #define read_c0_cvmmemctl()     __read_64bit_c0_register($11, 7)
1979 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
1980
1981 #define read_c0_cvmmemctl2()    __read_64bit_c0_register($16, 6)
1982 #define write_c0_cvmmemctl2(val) __write_64bit_c0_register($16, 6, val)
1983
1984 #define read_c0_cvmvmconfig()   __read_64bit_c0_register($16, 7)
1985 #define write_c0_cvmvmconfig(val) __write_64bit_c0_register($16, 7, val)
1986
1987 /*
1988  * The cacheerr registers are not standardized.  On OCTEON, they are
1989  * 64 bits wide.
1990  */
1991 #define read_octeon_c0_icacheerr()      __read_64bit_c0_register($27, 0)
1992 #define write_octeon_c0_icacheerr(val)  __write_64bit_c0_register($27, 0, val)
1993
1994 #define read_octeon_c0_dcacheerr()      __read_64bit_c0_register($27, 1)
1995 #define write_octeon_c0_dcacheerr(val)  __write_64bit_c0_register($27, 1, val)
1996
1997 /* BMIPS3300 */
1998 #define read_c0_brcm_config_0()         __read_32bit_c0_register($22, 0)
1999 #define write_c0_brcm_config_0(val)     __write_32bit_c0_register($22, 0, val)
2000
2001 #define read_c0_brcm_bus_pll()          __read_32bit_c0_register($22, 4)
2002 #define write_c0_brcm_bus_pll(val)      __write_32bit_c0_register($22, 4, val)
2003
2004 #define read_c0_brcm_reset()            __read_32bit_c0_register($22, 5)
2005 #define write_c0_brcm_reset(val)        __write_32bit_c0_register($22, 5, val)
2006
2007 /* BMIPS43xx */
2008 #define read_c0_brcm_cmt_intr()         __read_32bit_c0_register($22, 1)
2009 #define write_c0_brcm_cmt_intr(val)     __write_32bit_c0_register($22, 1, val)
2010
2011 #define read_c0_brcm_cmt_ctrl()         __read_32bit_c0_register($22, 2)
2012 #define write_c0_brcm_cmt_ctrl(val)     __write_32bit_c0_register($22, 2, val)
2013
2014 #define read_c0_brcm_cmt_local()        __read_32bit_c0_register($22, 3)
2015 #define write_c0_brcm_cmt_local(val)    __write_32bit_c0_register($22, 3, val)
2016
2017 #define read_c0_brcm_config_1()         __read_32bit_c0_register($22, 5)
2018 #define write_c0_brcm_config_1(val)     __write_32bit_c0_register($22, 5, val)
2019
2020 #define read_c0_brcm_cbr()              __read_32bit_c0_register($22, 6)
2021 #define write_c0_brcm_cbr(val)          __write_32bit_c0_register($22, 6, val)
2022
2023 /* BMIPS5000 */
2024 #define read_c0_brcm_config()           __read_32bit_c0_register($22, 0)
2025 #define write_c0_brcm_config(val)       __write_32bit_c0_register($22, 0, val)
2026
2027 #define read_c0_brcm_mode()             __read_32bit_c0_register($22, 1)
2028 #define write_c0_brcm_mode(val)         __write_32bit_c0_register($22, 1, val)
2029
2030 #define read_c0_brcm_action()           __read_32bit_c0_register($22, 2)
2031 #define write_c0_brcm_action(val)       __write_32bit_c0_register($22, 2, val)
2032
2033 #define read_c0_brcm_edsp()             __read_32bit_c0_register($22, 3)
2034 #define write_c0_brcm_edsp(val)         __write_32bit_c0_register($22, 3, val)
2035
2036 #define read_c0_brcm_bootvec()          __read_32bit_c0_register($22, 4)
2037 #define write_c0_brcm_bootvec(val)      __write_32bit_c0_register($22, 4, val)
2038
2039 #define read_c0_brcm_sleepcount()       __read_32bit_c0_register($22, 7)
2040 #define write_c0_brcm_sleepcount(val)   __write_32bit_c0_register($22, 7, val)
2041
2042 /* Ingenic page ctrl register */
2043 #define write_c0_page_ctrl(val) __write_32bit_c0_register($5, 4, val)
2044
2045 /*
2046  * Macros to access the guest system control coprocessor
2047  */
2048
2049 #ifndef TOOLCHAIN_SUPPORTS_VIRT
2050 _ASM_MACRO_2R_1S(mfgc0, rt, rs, sel,
2051         _ASM_INSN_IF_MIPS(0x40600000 | __rt << 16 | __rs << 11 | \\sel)
2052         _ASM_INSN32_IF_MM(0x000004fc | __rt << 21 | __rs << 16 | \\sel << 11));
2053 _ASM_MACRO_2R_1S(dmfgc0, rt, rs, sel,
2054         _ASM_INSN_IF_MIPS(0x40600100 | __rt << 16 | __rs << 11 | \\sel)
2055         _ASM_INSN32_IF_MM(0x580004fc | __rt << 21 | __rs << 16 | \\sel << 11));
2056 _ASM_MACRO_2R_1S(mtgc0, rt, rd, sel,
2057         _ASM_INSN_IF_MIPS(0x40600200 | __rt << 16 | __rd << 11 | \\sel)
2058         _ASM_INSN32_IF_MM(0x000006fc | __rt << 21 | __rd << 16 | \\sel << 11));
2059 _ASM_MACRO_2R_1S(dmtgc0, rt, rd, sel,
2060         _ASM_INSN_IF_MIPS(0x40600300 | __rt << 16 | __rd << 11 | \\sel)
2061         _ASM_INSN32_IF_MM(0x580006fc | __rt << 21 | __rd << 16 | \\sel << 11));
2062 _ASM_MACRO_0(tlbgp,    _ASM_INSN_IF_MIPS(0x42000010)
2063                        _ASM_INSN32_IF_MM(0x0000017c));
2064 _ASM_MACRO_0(tlbgr,    _ASM_INSN_IF_MIPS(0x42000009)
2065                        _ASM_INSN32_IF_MM(0x0000117c));
2066 _ASM_MACRO_0(tlbgwi,   _ASM_INSN_IF_MIPS(0x4200000a)
2067                        _ASM_INSN32_IF_MM(0x0000217c));
2068 _ASM_MACRO_0(tlbgwr,   _ASM_INSN_IF_MIPS(0x4200000e)
2069                        _ASM_INSN32_IF_MM(0x0000317c));
2070 _ASM_MACRO_0(tlbginvf, _ASM_INSN_IF_MIPS(0x4200000c)
2071                        _ASM_INSN32_IF_MM(0x0000517c));
2072 #define _ASM_SET_VIRT ""
2073 #else   /* !TOOLCHAIN_SUPPORTS_VIRT */
2074 #define _ASM_SET_VIRT ".set\tvirt\n\t"
2075 #endif
2076
2077 #define __read_32bit_gc0_register(source, sel)                          \
2078 ({ int __res;                                                           \
2079         __asm__ __volatile__(                                           \
2080                 ".set\tpush\n\t"                                        \
2081                 ".set\tmips32r2\n\t"                                    \
2082                 _ASM_SET_VIRT                                           \
2083                 "mfgc0\t%0, " #source ", %1\n\t"                        \
2084                 ".set\tpop"                                             \
2085                 : "=r" (__res)                                          \
2086                 : "i" (sel));                                           \
2087         __res;                                                          \
2088 })
2089
2090 #define __read_64bit_gc0_register(source, sel)                          \
2091 ({ unsigned long long __res;                                            \
2092         __asm__ __volatile__(                                           \
2093                 ".set\tpush\n\t"                                        \
2094                 ".set\tmips64r2\n\t"                                    \
2095                 _ASM_SET_VIRT                                           \
2096                 "dmfgc0\t%0, " #source ", %1\n\t"                       \
2097                 ".set\tpop"                                             \
2098                 : "=r" (__res)                                          \
2099                 : "i" (sel));                                           \
2100         __res;                                                          \
2101 })
2102
2103 #define __write_32bit_gc0_register(register, sel, value)                \
2104 do {                                                                    \
2105         __asm__ __volatile__(                                           \
2106                 ".set\tpush\n\t"                                        \
2107                 ".set\tmips32r2\n\t"                                    \
2108                 _ASM_SET_VIRT                                           \
2109                 "mtgc0\t%z0, " #register ", %1\n\t"                     \
2110                 ".set\tpop"                                             \
2111                 : : "Jr" ((unsigned int)(value)),                       \
2112                     "i" (sel));                                         \
2113 } while (0)
2114
2115 #define __write_64bit_gc0_register(register, sel, value)                \
2116 do {                                                                    \
2117         __asm__ __volatile__(                                           \
2118                 ".set\tpush\n\t"                                        \
2119                 ".set\tmips64r2\n\t"                                    \
2120                 _ASM_SET_VIRT                                           \
2121                 "dmtgc0\t%z0, " #register ", %1\n\t"                    \
2122                 ".set\tpop"                                             \
2123                 : : "Jr" (value),                                       \
2124                     "i" (sel));                                         \
2125 } while (0)
2126
2127 #define __read_ulong_gc0_register(reg, sel)                             \
2128         ((sizeof(unsigned long) == 4) ?                                 \
2129         (unsigned long) __read_32bit_gc0_register(reg, sel) :           \
2130         (unsigned long) __read_64bit_gc0_register(reg, sel))
2131
2132 #define __write_ulong_gc0_register(reg, sel, val)                       \
2133 do {                                                                    \
2134         if (sizeof(unsigned long) == 4)                                 \
2135                 __write_32bit_gc0_register(reg, sel, val);              \
2136         else                                                            \
2137                 __write_64bit_gc0_register(reg, sel, val);              \
2138 } while (0)
2139
2140 #define read_gc0_index()                __read_32bit_gc0_register($0, 0)
2141 #define write_gc0_index(val)            __write_32bit_gc0_register($0, 0, val)
2142
2143 #define read_gc0_entrylo0()             __read_ulong_gc0_register($2, 0)
2144 #define write_gc0_entrylo0(val)         __write_ulong_gc0_register($2, 0, val)
2145
2146 #define read_gc0_entrylo1()             __read_ulong_gc0_register($3, 0)
2147 #define write_gc0_entrylo1(val)         __write_ulong_gc0_register($3, 0, val)
2148
2149 #define read_gc0_context()              __read_ulong_gc0_register($4, 0)
2150 #define write_gc0_context(val)          __write_ulong_gc0_register($4, 0, val)
2151
2152 #define read_gc0_contextconfig()        __read_32bit_gc0_register($4, 1)
2153 #define write_gc0_contextconfig(val)    __write_32bit_gc0_register($4, 1, val)
2154
2155 #define read_gc0_userlocal()            __read_ulong_gc0_register($4, 2)
2156 #define write_gc0_userlocal(val)        __write_ulong_gc0_register($4, 2, val)
2157
2158 #define read_gc0_xcontextconfig()       __read_ulong_gc0_register($4, 3)
2159 #define write_gc0_xcontextconfig(val)   __write_ulong_gc0_register($4, 3, val)
2160
2161 #define read_gc0_pagemask()             __read_32bit_gc0_register($5, 0)
2162 #define write_gc0_pagemask(val)         __write_32bit_gc0_register($5, 0, val)
2163
2164 #define read_gc0_pagegrain()            __read_32bit_gc0_register($5, 1)
2165 #define write_gc0_pagegrain(val)        __write_32bit_gc0_register($5, 1, val)
2166
2167 #define read_gc0_segctl0()              __read_ulong_gc0_register($5, 2)
2168 #define write_gc0_segctl0(val)          __write_ulong_gc0_register($5, 2, val)
2169
2170 #define read_gc0_segctl1()              __read_ulong_gc0_register($5, 3)
2171 #define write_gc0_segctl1(val)          __write_ulong_gc0_register($5, 3, val)
2172
2173 #define read_gc0_segctl2()              __read_ulong_gc0_register($5, 4)
2174 #define write_gc0_segctl2(val)          __write_ulong_gc0_register($5, 4, val)
2175
2176 #define read_gc0_pwbase()               __read_ulong_gc0_register($5, 5)
2177 #define write_gc0_pwbase(val)           __write_ulong_gc0_register($5, 5, val)
2178
2179 #define read_gc0_pwfield()              __read_ulong_gc0_register($5, 6)
2180 #define write_gc0_pwfield(val)          __write_ulong_gc0_register($5, 6, val)
2181
2182 #define read_gc0_pwsize()               __read_ulong_gc0_register($5, 7)
2183 #define write_gc0_pwsize(val)           __write_ulong_gc0_register($5, 7, val)
2184
2185 #define read_gc0_wired()                __read_32bit_gc0_register($6, 0)
2186 #define write_gc0_wired(val)            __write_32bit_gc0_register($6, 0, val)
2187
2188 #define read_gc0_pwctl()                __read_32bit_gc0_register($6, 6)
2189 #define write_gc0_pwctl(val)            __write_32bit_gc0_register($6, 6, val)
2190
2191 #define read_gc0_hwrena()               __read_32bit_gc0_register($7, 0)
2192 #define write_gc0_hwrena(val)           __write_32bit_gc0_register($7, 0, val)
2193
2194 #define read_gc0_badvaddr()             __read_ulong_gc0_register($8, 0)
2195 #define write_gc0_badvaddr(val)         __write_ulong_gc0_register($8, 0, val)
2196
2197 #define read_gc0_badinstr()             __read_32bit_gc0_register($8, 1)
2198 #define write_gc0_badinstr(val)         __write_32bit_gc0_register($8, 1, val)
2199
2200 #define read_gc0_badinstrp()            __read_32bit_gc0_register($8, 2)
2201 #define write_gc0_badinstrp(val)        __write_32bit_gc0_register($8, 2, val)
2202
2203 #define read_gc0_count()                __read_32bit_gc0_register($9, 0)
2204
2205 #define read_gc0_entryhi()              __read_ulong_gc0_register($10, 0)
2206 #define write_gc0_entryhi(val)          __write_ulong_gc0_register($10, 0, val)
2207
2208 #define read_gc0_compare()              __read_32bit_gc0_register($11, 0)
2209 #define write_gc0_compare(val)          __write_32bit_gc0_register($11, 0, val)
2210
2211 #define read_gc0_status()               __read_32bit_gc0_register($12, 0)
2212 #define write_gc0_status(val)           __write_32bit_gc0_register($12, 0, val)
2213
2214 #define read_gc0_intctl()               __read_32bit_gc0_register($12, 1)
2215 #define write_gc0_intctl(val)           __write_32bit_gc0_register($12, 1, val)
2216
2217 #define read_gc0_cause()                __read_32bit_gc0_register($13, 0)
2218 #define write_gc0_cause(val)            __write_32bit_gc0_register($13, 0, val)
2219
2220 #define read_gc0_epc()                  __read_ulong_gc0_register($14, 0)
2221 #define write_gc0_epc(val)              __write_ulong_gc0_register($14, 0, val)
2222
2223 #define read_gc0_prid()                 __read_32bit_gc0_register($15, 0)
2224
2225 #define read_gc0_ebase()                __read_32bit_gc0_register($15, 1)
2226 #define write_gc0_ebase(val)            __write_32bit_gc0_register($15, 1, val)
2227
2228 #define read_gc0_ebase_64()             __read_64bit_gc0_register($15, 1)
2229 #define write_gc0_ebase_64(val)         __write_64bit_gc0_register($15, 1, val)
2230
2231 #define read_gc0_config()               __read_32bit_gc0_register($16, 0)
2232 #define read_gc0_config1()              __read_32bit_gc0_register($16, 1)
2233 #define read_gc0_config2()              __read_32bit_gc0_register($16, 2)
2234 #define read_gc0_config3()              __read_32bit_gc0_register($16, 3)
2235 #define read_gc0_config4()              __read_32bit_gc0_register($16, 4)
2236 #define read_gc0_config5()              __read_32bit_gc0_register($16, 5)
2237 #define read_gc0_config6()              __read_32bit_gc0_register($16, 6)
2238 #define read_gc0_config7()              __read_32bit_gc0_register($16, 7)
2239 #define write_gc0_config(val)           __write_32bit_gc0_register($16, 0, val)
2240 #define write_gc0_config1(val)          __write_32bit_gc0_register($16, 1, val)
2241 #define write_gc0_config2(val)          __write_32bit_gc0_register($16, 2, val)
2242 #define write_gc0_config3(val)          __write_32bit_gc0_register($16, 3, val)
2243 #define write_gc0_config4(val)          __write_32bit_gc0_register($16, 4, val)
2244 #define write_gc0_config5(val)          __write_32bit_gc0_register($16, 5, val)
2245 #define write_gc0_config6(val)          __write_32bit_gc0_register($16, 6, val)
2246 #define write_gc0_config7(val)          __write_32bit_gc0_register($16, 7, val)
2247
2248 #define read_gc0_lladdr()               __read_ulong_gc0_register($17, 0)
2249 #define write_gc0_lladdr(val)           __write_ulong_gc0_register($17, 0, val)
2250
2251 #define read_gc0_watchlo0()             __read_ulong_gc0_register($18, 0)
2252 #define read_gc0_watchlo1()             __read_ulong_gc0_register($18, 1)
2253 #define read_gc0_watchlo2()             __read_ulong_gc0_register($18, 2)
2254 #define read_gc0_watchlo3()             __read_ulong_gc0_register($18, 3)
2255 #define read_gc0_watchlo4()             __read_ulong_gc0_register($18, 4)
2256 #define read_gc0_watchlo5()             __read_ulong_gc0_register($18, 5)
2257 #define read_gc0_watchlo6()             __read_ulong_gc0_register($18, 6)
2258 #define read_gc0_watchlo7()             __read_ulong_gc0_register($18, 7)
2259 #define write_gc0_watchlo0(val)         __write_ulong_gc0_register($18, 0, val)
2260 #define write_gc0_watchlo1(val)         __write_ulong_gc0_register($18, 1, val)
2261 #define write_gc0_watchlo2(val)         __write_ulong_gc0_register($18, 2, val)
2262 #define write_gc0_watchlo3(val)         __write_ulong_gc0_register($18, 3, val)
2263 #define write_gc0_watchlo4(val)         __write_ulong_gc0_register($18, 4, val)
2264 #define write_gc0_watchlo5(val)         __write_ulong_gc0_register($18, 5, val)
2265 #define write_gc0_watchlo6(val)         __write_ulong_gc0_register($18, 6, val)
2266 #define write_gc0_watchlo7(val)         __write_ulong_gc0_register($18, 7, val)
2267
2268 #define read_gc0_watchhi0()             __read_32bit_gc0_register($19, 0)
2269 #define read_gc0_watchhi1()             __read_32bit_gc0_register($19, 1)
2270 #define read_gc0_watchhi2()             __read_32bit_gc0_register($19, 2)
2271 #define read_gc0_watchhi3()             __read_32bit_gc0_register($19, 3)
2272 #define read_gc0_watchhi4()             __read_32bit_gc0_register($19, 4)
2273 #define read_gc0_watchhi5()             __read_32bit_gc0_register($19, 5)
2274 #define read_gc0_watchhi6()             __read_32bit_gc0_register($19, 6)
2275 #define read_gc0_watchhi7()             __read_32bit_gc0_register($19, 7)
2276 #define write_gc0_watchhi0(val)         __write_32bit_gc0_register($19, 0, val)
2277 #define write_gc0_watchhi1(val)         __write_32bit_gc0_register($19, 1, val)
2278 #define write_gc0_watchhi2(val)         __write_32bit_gc0_register($19, 2, val)
2279 #define write_gc0_watchhi3(val)         __write_32bit_gc0_register($19, 3, val)
2280 #define write_gc0_watchhi4(val)         __write_32bit_gc0_register($19, 4, val)
2281 #define write_gc0_watchhi5(val)         __write_32bit_gc0_register($19, 5, val)
2282 #define write_gc0_watchhi6(val)         __write_32bit_gc0_register($19, 6, val)
2283 #define write_gc0_watchhi7(val)         __write_32bit_gc0_register($19, 7, val)
2284
2285 #define read_gc0_xcontext()             __read_ulong_gc0_register($20, 0)
2286 #define write_gc0_xcontext(val)         __write_ulong_gc0_register($20, 0, val)
2287
2288 #define read_gc0_perfctrl0()            __read_32bit_gc0_register($25, 0)
2289 #define write_gc0_perfctrl0(val)        __write_32bit_gc0_register($25, 0, val)
2290 #define read_gc0_perfcntr0()            __read_32bit_gc0_register($25, 1)
2291 #define write_gc0_perfcntr0(val)        __write_32bit_gc0_register($25, 1, val)
2292 #define read_gc0_perfcntr0_64()         __read_64bit_gc0_register($25, 1)
2293 #define write_gc0_perfcntr0_64(val)     __write_64bit_gc0_register($25, 1, val)
2294 #define read_gc0_perfctrl1()            __read_32bit_gc0_register($25, 2)
2295 #define write_gc0_perfctrl1(val)        __write_32bit_gc0_register($25, 2, val)
2296 #define read_gc0_perfcntr1()            __read_32bit_gc0_register($25, 3)
2297 #define write_gc0_perfcntr1(val)        __write_32bit_gc0_register($25, 3, val)
2298 #define read_gc0_perfcntr1_64()         __read_64bit_gc0_register($25, 3)
2299 #define write_gc0_perfcntr1_64(val)     __write_64bit_gc0_register($25, 3, val)
2300 #define read_gc0_perfctrl2()            __read_32bit_gc0_register($25, 4)
2301 #define write_gc0_perfctrl2(val)        __write_32bit_gc0_register($25, 4, val)
2302 #define read_gc0_perfcntr2()            __read_32bit_gc0_register($25, 5)
2303 #define write_gc0_perfcntr2(val)        __write_32bit_gc0_register($25, 5, val)
2304 #define read_gc0_perfcntr2_64()         __read_64bit_gc0_register($25, 5)
2305 #define write_gc0_perfcntr2_64(val)     __write_64bit_gc0_register($25, 5, val)
2306 #define read_gc0_perfctrl3()            __read_32bit_gc0_register($25, 6)
2307 #define write_gc0_perfctrl3(val)        __write_32bit_gc0_register($25, 6, val)
2308 #define read_gc0_perfcntr3()            __read_32bit_gc0_register($25, 7)
2309 #define write_gc0_perfcntr3(val)        __write_32bit_gc0_register($25, 7, val)
2310 #define read_gc0_perfcntr3_64()         __read_64bit_gc0_register($25, 7)
2311 #define write_gc0_perfcntr3_64(val)     __write_64bit_gc0_register($25, 7, val)
2312
2313 #define read_gc0_errorepc()             __read_ulong_gc0_register($30, 0)
2314 #define write_gc0_errorepc(val)         __write_ulong_gc0_register($30, 0, val)
2315
2316 #define read_gc0_kscratch1()            __read_ulong_gc0_register($31, 2)
2317 #define read_gc0_kscratch2()            __read_ulong_gc0_register($31, 3)
2318 #define read_gc0_kscratch3()            __read_ulong_gc0_register($31, 4)
2319 #define read_gc0_kscratch4()            __read_ulong_gc0_register($31, 5)
2320 #define read_gc0_kscratch5()            __read_ulong_gc0_register($31, 6)
2321 #define read_gc0_kscratch6()            __read_ulong_gc0_register($31, 7)
2322 #define write_gc0_kscratch1(val)        __write_ulong_gc0_register($31, 2, val)
2323 #define write_gc0_kscratch2(val)        __write_ulong_gc0_register($31, 3, val)
2324 #define write_gc0_kscratch3(val)        __write_ulong_gc0_register($31, 4, val)
2325 #define write_gc0_kscratch4(val)        __write_ulong_gc0_register($31, 5, val)
2326 #define write_gc0_kscratch5(val)        __write_ulong_gc0_register($31, 6, val)
2327 #define write_gc0_kscratch6(val)        __write_ulong_gc0_register($31, 7, val)
2328
2329 /* Cavium OCTEON (cnMIPS) */
2330 #define read_gc0_cvmcount()             __read_ulong_gc0_register($9, 6)
2331 #define write_gc0_cvmcount(val)         __write_ulong_gc0_register($9, 6, val)
2332
2333 #define read_gc0_cvmctl()               __read_64bit_gc0_register($9, 7)
2334 #define write_gc0_cvmctl(val)           __write_64bit_gc0_register($9, 7, val)
2335
2336 #define read_gc0_cvmmemctl()            __read_64bit_gc0_register($11, 7)
2337 #define write_gc0_cvmmemctl(val)        __write_64bit_gc0_register($11, 7, val)
2338
2339 #define read_gc0_cvmmemctl2()           __read_64bit_gc0_register($16, 6)
2340 #define write_gc0_cvmmemctl2(val)       __write_64bit_gc0_register($16, 6, val)
2341
2342 /*
2343  * Macros to access the floating point coprocessor control registers
2344  */
2345 #define _read_32bit_cp1_register(source, gas_hardfloat)                 \
2346 ({                                                                      \
2347         unsigned int __res;                                             \
2348                                                                         \
2349         __asm__ __volatile__(                                           \
2350         "       .set    push                                    \n"     \
2351         "       .set    reorder                                 \n"     \
2352         "       # gas fails to assemble cfc1 for some archs,    \n"     \
2353         "       # like Octeon.                                  \n"     \
2354         "       .set    mips1                                   \n"     \
2355         "       "STR(gas_hardfloat)"                            \n"     \
2356         "       cfc1    %0,"STR(source)"                        \n"     \
2357         "       .set    pop                                     \n"     \
2358         : "=r" (__res));                                                \
2359         __res;                                                          \
2360 })
2361
2362 #define _write_32bit_cp1_register(dest, val, gas_hardfloat)             \
2363 do {                                                                    \
2364         __asm__ __volatile__(                                           \
2365         "       .set    push                                    \n"     \
2366         "       .set    reorder                                 \n"     \
2367         "       "STR(gas_hardfloat)"                            \n"     \
2368         "       ctc1    %0,"STR(dest)"                          \n"     \
2369         "       .set    pop                                     \n"     \
2370         : : "r" (val));                                                 \
2371 } while (0)
2372
2373 #ifdef GAS_HAS_SET_HARDFLOAT
2374 #define read_32bit_cp1_register(source)                                 \
2375         _read_32bit_cp1_register(source, .set hardfloat)
2376 #define write_32bit_cp1_register(dest, val)                             \
2377         _write_32bit_cp1_register(dest, val, .set hardfloat)
2378 #else
2379 #define read_32bit_cp1_register(source)                                 \
2380         _read_32bit_cp1_register(source, )
2381 #define write_32bit_cp1_register(dest, val)                             \
2382         _write_32bit_cp1_register(dest, val, )
2383 #endif
2384
2385 #ifdef TOOLCHAIN_SUPPORTS_DSP
2386 #define rddsp(mask)                                                     \
2387 ({                                                                      \
2388         unsigned int __dspctl;                                          \
2389                                                                         \
2390         __asm__ __volatile__(                                           \
2391         "       .set push                                       \n"     \
2392         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2393         "       .set dsp                                        \n"     \
2394         "       rddsp   %0, %x1                                 \n"     \
2395         "       .set pop                                        \n"     \
2396         : "=r" (__dspctl)                                               \
2397         : "i" (mask));                                                  \
2398         __dspctl;                                                       \
2399 })
2400
2401 #define wrdsp(val, mask)                                                \
2402 do {                                                                    \
2403         __asm__ __volatile__(                                           \
2404         "       .set push                                       \n"     \
2405         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2406         "       .set dsp                                        \n"     \
2407         "       wrdsp   %0, %x1                                 \n"     \
2408         "       .set pop                                        \n"     \
2409         :                                                               \
2410         : "r" (val), "i" (mask));                                       \
2411 } while (0)
2412
2413 #define mflo0()                                                         \
2414 ({                                                                      \
2415         long mflo0;                                                     \
2416         __asm__(                                                        \
2417         "       .set push                                       \n"     \
2418         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2419         "       .set dsp                                        \n"     \
2420         "       mflo %0, $ac0                                   \n"     \
2421         "       .set pop                                        \n"     \
2422         : "=r" (mflo0));                                                \
2423         mflo0;                                                          \
2424 })
2425
2426 #define mflo1()                                                         \
2427 ({                                                                      \
2428         long mflo1;                                                     \
2429         __asm__(                                                        \
2430         "       .set push                                       \n"     \
2431         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2432         "       .set dsp                                        \n"     \
2433         "       mflo %0, $ac1                                   \n"     \
2434         "       .set pop                                        \n"     \
2435         : "=r" (mflo1));                                                \
2436         mflo1;                                                          \
2437 })
2438
2439 #define mflo2()                                                         \
2440 ({                                                                      \
2441         long mflo2;                                                     \
2442         __asm__(                                                        \
2443         "       .set push                                       \n"     \
2444         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2445         "       .set dsp                                        \n"     \
2446         "       mflo %0, $ac2                                   \n"     \
2447         "       .set pop                                        \n"     \
2448         : "=r" (mflo2));                                                \
2449         mflo2;                                                          \
2450 })
2451
2452 #define mflo3()                                                         \
2453 ({                                                                      \
2454         long mflo3;                                                     \
2455         __asm__(                                                        \
2456         "       .set push                                       \n"     \
2457         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2458         "       .set dsp                                        \n"     \
2459         "       mflo %0, $ac3                                   \n"     \
2460         "       .set pop                                        \n"     \
2461         : "=r" (mflo3));                                                \
2462         mflo3;                                                          \
2463 })
2464
2465 #define mfhi0()                                                         \
2466 ({                                                                      \
2467         long mfhi0;                                                     \
2468         __asm__(                                                        \
2469         "       .set push                                       \n"     \
2470         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2471         "       .set dsp                                        \n"     \
2472         "       mfhi %0, $ac0                                   \n"     \
2473         "       .set pop                                        \n"     \
2474         : "=r" (mfhi0));                                                \
2475         mfhi0;                                                          \
2476 })
2477
2478 #define mfhi1()                                                         \
2479 ({                                                                      \
2480         long mfhi1;                                                     \
2481         __asm__(                                                        \
2482         "       .set push                                       \n"     \
2483         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2484         "       .set dsp                                        \n"     \
2485         "       mfhi %0, $ac1                                   \n"     \
2486         "       .set pop                                        \n"     \
2487         : "=r" (mfhi1));                                                \
2488         mfhi1;                                                          \
2489 })
2490
2491 #define mfhi2()                                                         \
2492 ({                                                                      \
2493         long mfhi2;                                                     \
2494         __asm__(                                                        \
2495         "       .set push                                       \n"     \
2496         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2497         "       .set dsp                                        \n"     \
2498         "       mfhi %0, $ac2                                   \n"     \
2499         "       .set pop                                        \n"     \
2500         : "=r" (mfhi2));                                                \
2501         mfhi2;                                                          \
2502 })
2503
2504 #define mfhi3()                                                         \
2505 ({                                                                      \
2506         long mfhi3;                                                     \
2507         __asm__(                                                        \
2508         "       .set push                                       \n"     \
2509         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2510         "       .set dsp                                        \n"     \
2511         "       mfhi %0, $ac3                                   \n"     \
2512         "       .set pop                                        \n"     \
2513         : "=r" (mfhi3));                                                \
2514         mfhi3;                                                          \
2515 })
2516
2517
2518 #define mtlo0(x)                                                        \
2519 ({                                                                      \
2520         __asm__(                                                        \
2521         "       .set push                                       \n"     \
2522         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2523         "       .set dsp                                        \n"     \
2524         "       mtlo %0, $ac0                                   \n"     \
2525         "       .set pop                                        \n"     \
2526         :                                                               \
2527         : "r" (x));                                                     \
2528 })
2529
2530 #define mtlo1(x)                                                        \
2531 ({                                                                      \
2532         __asm__(                                                        \
2533         "       .set push                                       \n"     \
2534         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2535         "       .set dsp                                        \n"     \
2536         "       mtlo %0, $ac1                                   \n"     \
2537         "       .set pop                                        \n"     \
2538         :                                                               \
2539         : "r" (x));                                                     \
2540 })
2541
2542 #define mtlo2(x)                                                        \
2543 ({                                                                      \
2544         __asm__(                                                        \
2545         "       .set push                                       \n"     \
2546         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2547         "       .set dsp                                        \n"     \
2548         "       mtlo %0, $ac2                                   \n"     \
2549         "       .set pop                                        \n"     \
2550         :                                                               \
2551         : "r" (x));                                                     \
2552 })
2553
2554 #define mtlo3(x)                                                        \
2555 ({                                                                      \
2556         __asm__(                                                        \
2557         "       .set push                                       \n"     \
2558         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2559         "       .set dsp                                        \n"     \
2560         "       mtlo %0, $ac3                                   \n"     \
2561         "       .set pop                                        \n"     \
2562         :                                                               \
2563         : "r" (x));                                                     \
2564 })
2565
2566 #define mthi0(x)                                                        \
2567 ({                                                                      \
2568         __asm__(                                                        \
2569         "       .set push                                       \n"     \
2570         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2571         "       .set dsp                                        \n"     \
2572         "       mthi %0, $ac0                                   \n"     \
2573         "       .set pop                                        \n"     \
2574         :                                                               \
2575         : "r" (x));                                                     \
2576 })
2577
2578 #define mthi1(x)                                                        \
2579 ({                                                                      \
2580         __asm__(                                                        \
2581         "       .set push                                       \n"     \
2582         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2583         "       .set dsp                                        \n"     \
2584         "       mthi %0, $ac1                                   \n"     \
2585         "       .set pop                                        \n"     \
2586         :                                                               \
2587         : "r" (x));                                                     \
2588 })
2589
2590 #define mthi2(x)                                                        \
2591 ({                                                                      \
2592         __asm__(                                                        \
2593         "       .set push                                       \n"     \
2594         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2595         "       .set dsp                                        \n"     \
2596         "       mthi %0, $ac2                                   \n"     \
2597         "       .set pop                                        \n"     \
2598         :                                                               \
2599         : "r" (x));                                                     \
2600 })
2601
2602 #define mthi3(x)                                                        \
2603 ({                                                                      \
2604         __asm__(                                                        \
2605         "       .set push                                       \n"     \
2606         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2607         "       .set dsp                                        \n"     \
2608         "       mthi %0, $ac3                                   \n"     \
2609         "       .set pop                                        \n"     \
2610         :                                                               \
2611         : "r" (x));                                                     \
2612 })
2613
2614 #else
2615
2616 #define rddsp(mask)                                                     \
2617 ({                                                                      \
2618         unsigned int __res;                                             \
2619                                                                         \
2620         __asm__ __volatile__(                                           \
2621         "       .set    push                                    \n"     \
2622         "       .set    noat                                    \n"     \
2623         "       # rddsp $1, %x1                                 \n"     \
2624         _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16))                     \
2625         _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14))                     \
2626         "       move    %0, $1                                  \n"     \
2627         "       .set    pop                                     \n"     \
2628         : "=r" (__res)                                                  \
2629         : "i" (mask));                                                  \
2630         __res;                                                          \
2631 })
2632
2633 #define wrdsp(val, mask)                                                \
2634 do {                                                                    \
2635         __asm__ __volatile__(                                           \
2636         "       .set    push                                    \n"     \
2637         "       .set    noat                                    \n"     \
2638         "       move    $1, %0                                  \n"     \
2639         "       # wrdsp $1, %x1                                 \n"     \
2640         _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11))                     \
2641         _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14))                     \
2642         "       .set    pop                                     \n"     \
2643         :                                                               \
2644         : "r" (val), "i" (mask));                                       \
2645 } while (0)
2646
2647 #define _dsp_mfxxx(ins)                                                 \
2648 ({                                                                      \
2649         unsigned long __treg;                                           \
2650                                                                         \
2651         __asm__ __volatile__(                                           \
2652         "       .set    push                                    \n"     \
2653         "       .set    noat                                    \n"     \
2654         _ASM_INSN_IF_MIPS(0x00000810 | %X1)                             \
2655         _ASM_INSN32_IF_MM(0x0001007c | %x1)                             \
2656         "       move    %0, $1                                  \n"     \
2657         "       .set    pop                                     \n"     \
2658         : "=r" (__treg)                                                 \
2659         : "i" (ins));                                                   \
2660         __treg;                                                         \
2661 })
2662
2663 #define _dsp_mtxxx(val, ins)                                            \
2664 do {                                                                    \
2665         __asm__ __volatile__(                                           \
2666         "       .set    push                                    \n"     \
2667         "       .set    noat                                    \n"     \
2668         "       move    $1, %0                                  \n"     \
2669         _ASM_INSN_IF_MIPS(0x00200011 | %X1)                             \
2670         _ASM_INSN32_IF_MM(0x0001207c | %x1)                             \
2671         "       .set    pop                                     \n"     \
2672         :                                                               \
2673         : "r" (val), "i" (ins));                                        \
2674 } while (0)
2675
2676 #ifdef CONFIG_CPU_MICROMIPS
2677
2678 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2679 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
2680
2681 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2682 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
2683
2684 #else  /* !CONFIG_CPU_MICROMIPS */
2685
2686 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2687 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
2688
2689 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2690 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
2691
2692 #endif /* CONFIG_CPU_MICROMIPS */
2693
2694 #define mflo0() _dsp_mflo(0)
2695 #define mflo1() _dsp_mflo(1)
2696 #define mflo2() _dsp_mflo(2)
2697 #define mflo3() _dsp_mflo(3)
2698
2699 #define mfhi0() _dsp_mfhi(0)
2700 #define mfhi1() _dsp_mfhi(1)
2701 #define mfhi2() _dsp_mfhi(2)
2702 #define mfhi3() _dsp_mfhi(3)
2703
2704 #define mtlo0(x) _dsp_mtlo(x, 0)
2705 #define mtlo1(x) _dsp_mtlo(x, 1)
2706 #define mtlo2(x) _dsp_mtlo(x, 2)
2707 #define mtlo3(x) _dsp_mtlo(x, 3)
2708
2709 #define mthi0(x) _dsp_mthi(x, 0)
2710 #define mthi1(x) _dsp_mthi(x, 1)
2711 #define mthi2(x) _dsp_mthi(x, 2)
2712 #define mthi3(x) _dsp_mthi(x, 3)
2713
2714 #endif
2715
2716 /*
2717  * TLB operations.
2718  *
2719  * It is responsibility of the caller to take care of any TLB hazards.
2720  */
2721 static inline void tlb_probe(void)
2722 {
2723         __asm__ __volatile__(
2724                 ".set noreorder\n\t"
2725                 "tlbp\n\t"
2726                 ".set reorder");
2727 }
2728
2729 static inline void tlb_read(void)
2730 {
2731 #if MIPS34K_MISSED_ITLB_WAR
2732         int res = 0;
2733
2734         __asm__ __volatile__(
2735         "       .set    push                                    \n"
2736         "       .set    noreorder                               \n"
2737         "       .set    noat                                    \n"
2738         "       .set    mips32r2                                \n"
2739         "       .word   0x41610001              # dvpe $1       \n"
2740         "       move    %0, $1                                  \n"
2741         "       ehb                                             \n"
2742         "       .set    pop                                     \n"
2743         : "=r" (res));
2744
2745         instruction_hazard();
2746 #endif
2747
2748         __asm__ __volatile__(
2749                 ".set noreorder\n\t"
2750                 "tlbr\n\t"
2751                 ".set reorder");
2752
2753 #if MIPS34K_MISSED_ITLB_WAR
2754         if ((res & _ULCAST_(1)))
2755                 __asm__ __volatile__(
2756                 "       .set    push                            \n"
2757                 "       .set    noreorder                       \n"
2758                 "       .set    noat                            \n"
2759                 "       .set    mips32r2                        \n"
2760                 "       .word   0x41600021      # evpe          \n"
2761                 "       ehb                                     \n"
2762                 "       .set    pop                             \n");
2763 #endif
2764 }
2765
2766 static inline void tlb_write_indexed(void)
2767 {
2768         __asm__ __volatile__(
2769                 ".set noreorder\n\t"
2770                 "tlbwi\n\t"
2771                 ".set reorder");
2772 }
2773
2774 static inline void tlb_write_random(void)
2775 {
2776         __asm__ __volatile__(
2777                 ".set noreorder\n\t"
2778                 "tlbwr\n\t"
2779                 ".set reorder");
2780 }
2781
2782 /*
2783  * Guest TLB operations.
2784  *
2785  * It is responsibility of the caller to take care of any TLB hazards.
2786  */
2787 static inline void guest_tlb_probe(void)
2788 {
2789         __asm__ __volatile__(
2790                 ".set push\n\t"
2791                 ".set noreorder\n\t"
2792                 _ASM_SET_VIRT
2793                 "tlbgp\n\t"
2794                 ".set pop");
2795 }
2796
2797 static inline void guest_tlb_read(void)
2798 {
2799         __asm__ __volatile__(
2800                 ".set push\n\t"
2801                 ".set noreorder\n\t"
2802                 _ASM_SET_VIRT
2803                 "tlbgr\n\t"
2804                 ".set pop");
2805 }
2806
2807 static inline void guest_tlb_write_indexed(void)
2808 {
2809         __asm__ __volatile__(
2810                 ".set push\n\t"
2811                 ".set noreorder\n\t"
2812                 _ASM_SET_VIRT
2813                 "tlbgwi\n\t"
2814                 ".set pop");
2815 }
2816
2817 static inline void guest_tlb_write_random(void)
2818 {
2819         __asm__ __volatile__(
2820                 ".set push\n\t"
2821                 ".set noreorder\n\t"
2822                 _ASM_SET_VIRT
2823                 "tlbgwr\n\t"
2824                 ".set pop");
2825 }
2826
2827 /*
2828  * Guest TLB Invalidate Flush
2829  */
2830 static inline void guest_tlbinvf(void)
2831 {
2832         __asm__ __volatile__(
2833                 ".set push\n\t"
2834                 ".set noreorder\n\t"
2835                 _ASM_SET_VIRT
2836                 "tlbginvf\n\t"
2837                 ".set pop");
2838 }
2839
2840 /*
2841  * Manipulate bits in a register.
2842  */
2843 #define __BUILD_SET_COMMON(name)                                \
2844 static inline unsigned int                                      \
2845 set_##name(unsigned int set)                                    \
2846 {                                                               \
2847         unsigned int res, new;                                  \
2848                                                                 \
2849         res = read_##name();                                    \
2850         new = res | set;                                        \
2851         write_##name(new);                                      \
2852                                                                 \
2853         return res;                                             \
2854 }                                                               \
2855                                                                 \
2856 static inline unsigned int                                      \
2857 clear_##name(unsigned int clear)                                \
2858 {                                                               \
2859         unsigned int res, new;                                  \
2860                                                                 \
2861         res = read_##name();                                    \
2862         new = res & ~clear;                                     \
2863         write_##name(new);                                      \
2864                                                                 \
2865         return res;                                             \
2866 }                                                               \
2867                                                                 \
2868 static inline unsigned int                                      \
2869 change_##name(unsigned int change, unsigned int val)            \
2870 {                                                               \
2871         unsigned int res, new;                                  \
2872                                                                 \
2873         res = read_##name();                                    \
2874         new = res & ~change;                                    \
2875         new |= (val & change);                                  \
2876         write_##name(new);                                      \
2877                                                                 \
2878         return res;                                             \
2879 }
2880
2881 /*
2882  * Manipulate bits in a c0 register.
2883  */
2884 #define __BUILD_SET_C0(name)    __BUILD_SET_COMMON(c0_##name)
2885
2886 __BUILD_SET_C0(status)
2887 __BUILD_SET_C0(cause)
2888 __BUILD_SET_C0(config)
2889 __BUILD_SET_C0(config5)
2890 __BUILD_SET_C0(config6)
2891 __BUILD_SET_C0(config7)
2892 __BUILD_SET_C0(diag)
2893 __BUILD_SET_C0(intcontrol)
2894 __BUILD_SET_C0(intctl)
2895 __BUILD_SET_C0(srsmap)
2896 __BUILD_SET_C0(pagegrain)
2897 __BUILD_SET_C0(guestctl0)
2898 __BUILD_SET_C0(guestctl0ext)
2899 __BUILD_SET_C0(guestctl1)
2900 __BUILD_SET_C0(guestctl2)
2901 __BUILD_SET_C0(guestctl3)
2902 __BUILD_SET_C0(brcm_config_0)
2903 __BUILD_SET_C0(brcm_bus_pll)
2904 __BUILD_SET_C0(brcm_reset)
2905 __BUILD_SET_C0(brcm_cmt_intr)
2906 __BUILD_SET_C0(brcm_cmt_ctrl)
2907 __BUILD_SET_C0(brcm_config)
2908 __BUILD_SET_C0(brcm_mode)
2909
2910 /*
2911  * Manipulate bits in a guest c0 register.
2912  */
2913 #define __BUILD_SET_GC0(name)   __BUILD_SET_COMMON(gc0_##name)
2914
2915 __BUILD_SET_GC0(wired)
2916 __BUILD_SET_GC0(status)
2917 __BUILD_SET_GC0(cause)
2918 __BUILD_SET_GC0(ebase)
2919 __BUILD_SET_GC0(config1)
2920
2921 /*
2922  * Return low 10 bits of ebase.
2923  * Note that under KVM (MIPSVZ) this returns vcpu id.
2924  */
2925 static inline unsigned int get_ebase_cpunum(void)
2926 {
2927         return read_c0_ebase() & MIPS_EBASE_CPUNUM;
2928 }
2929
2930 #endif /* !__ASSEMBLY__ */
2931
2932 #endif /* _ASM_MIPSREGS_H */