arch/mips/include/asm/mipsregs.h

/* [<][>][^][v][top][bottom][index][help] */
This source file includes following definitions.
mm_insn_16bit
tlbinvf
tlb_probe
tlb_read
tlb_write_indexed
tlb_write_random
guest_tlb_probe
guest_tlb_read
guest_tlb_write_indexed
guest_tlb_write_random
guest_tlbinvf
__BUILD_SET_GC0
   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_DEBUG $23
  90 #define CP0_DEPC $24
  91 #define CP0_PERFORMANCE $25
  92 #define CP0_ECC $26
  93 #define CP0_CACHEERR $27
  94 #define CP0_TAGLO $28
  95 #define CP0_TAGHI $29
  96 #define CP0_ERROREPC $30
  97 #define CP0_DESAVE $31
  98 
  99 /*
 100  * R4640/R4650 cp0 register names.  These registers are listed
 101  * here only for completeness; without MMU these CPUs are not useable
 102  * by Linux.  A future ELKS port might take make Linux run on them
 103  * though ...
 104  */
 105 #define CP0_IBASE $0
 106 #define CP0_IBOUND $1
 107 #define CP0_DBASE $2
 108 #define CP0_DBOUND $3
 109 #define CP0_CALG $17
 110 #define CP0_IWATCH $18
 111 #define CP0_DWATCH $19
 112 
 113 /*
 114  * Coprocessor 0 Set 1 register names
 115  */
 116 #define CP0_S1_DERRADDR0  $26
 117 #define CP0_S1_DERRADDR1  $27
 118 #define CP0_S1_INTCONTROL $20
 119 
 120 /*
 121  * Coprocessor 0 Set 2 register names
 122  */
 123 #define CP0_S2_SRSCTL     $12   /* MIPSR2 */
 124 
 125 /*
 126  * Coprocessor 0 Set 3 register names
 127  */
 128 #define CP0_S3_SRSMAP     $12   /* MIPSR2 */
 129 
 130 /*
 131  *  TX39 Series
 132  */
 133 #define CP0_TX39_CACHE  $7
 134 
 135 
 136 /* Generic EntryLo bit definitions */
 137 #define ENTRYLO_G               (_ULCAST_(1) << 0)
 138 #define ENTRYLO_V               (_ULCAST_(1) << 1)
 139 #define ENTRYLO_D               (_ULCAST_(1) << 2)
 140 #define ENTRYLO_C_SHIFT         3
 141 #define ENTRYLO_C               (_ULCAST_(7) << ENTRYLO_C_SHIFT)
 142 
 143 /* R3000 EntryLo bit definitions */
 144 #define R3K_ENTRYLO_G           (_ULCAST_(1) << 8)
 145 #define R3K_ENTRYLO_V           (_ULCAST_(1) << 9)
 146 #define R3K_ENTRYLO_D           (_ULCAST_(1) << 10)
 147 #define R3K_ENTRYLO_N           (_ULCAST_(1) << 11)
 148 
 149 /* MIPS32/64 EntryLo bit definitions */
 150 #define MIPS_ENTRYLO_PFN_SHIFT  6
 151 #define MIPS_ENTRYLO_XI         (_ULCAST_(1) << (BITS_PER_LONG - 2))
 152 #define MIPS_ENTRYLO_RI         (_ULCAST_(1) << (BITS_PER_LONG - 1))
 153 
 154 /*
 155  * MIPSr6+ GlobalNumber register definitions
 156  */
 157 #define MIPS_GLOBALNUMBER_VP_SHF        0
 158 #define MIPS_GLOBALNUMBER_VP            (_ULCAST_(0xff) << MIPS_GLOBALNUMBER_VP_SHF)
 159 #define MIPS_GLOBALNUMBER_CORE_SHF      8
 160 #define MIPS_GLOBALNUMBER_CORE          (_ULCAST_(0xff) << MIPS_GLOBALNUMBER_CORE_SHF)
 161 #define MIPS_GLOBALNUMBER_CLUSTER_SHF   16
 162 #define MIPS_GLOBALNUMBER_CLUSTER       (_ULCAST_(0xf) << MIPS_GLOBALNUMBER_CLUSTER_SHF)
 163 
 164 /*
 165  * Values for PageMask register
 166  */
 167 #ifdef CONFIG_CPU_VR41XX
 168 
 169 /* Why doesn't stupidity hurt ... */
 170 
 171 #define PM_1K           0x00000000
 172 #define PM_4K           0x00001800
 173 #define PM_16K          0x00007800
 174 #define PM_64K          0x0001f800
 175 #define PM_256K         0x0007f800
 176 
 177 #else
 178 
 179 #define PM_4K           0x00000000
 180 #define PM_8K           0x00002000
 181 #define PM_16K          0x00006000
 182 #define PM_32K          0x0000e000
 183 #define PM_64K          0x0001e000
 184 #define PM_128K         0x0003e000
 185 #define PM_256K         0x0007e000
 186 #define PM_512K         0x000fe000
 187 #define PM_1M           0x001fe000
 188 #define PM_2M           0x003fe000
 189 #define PM_4M           0x007fe000
 190 #define PM_8M           0x00ffe000
 191 #define PM_16M          0x01ffe000
 192 #define PM_32M          0x03ffe000
 193 #define PM_64M          0x07ffe000
 194 #define PM_256M         0x1fffe000
 195 #define PM_1G           0x7fffe000
 196 
 197 #endif
 198 
 199 /*
 200  * Default page size for a given kernel configuration
 201  */
 202 #ifdef CONFIG_PAGE_SIZE_4KB
 203 #define PM_DEFAULT_MASK PM_4K
 204 #elif defined(CONFIG_PAGE_SIZE_8KB)
 205 #define PM_DEFAULT_MASK PM_8K
 206 #elif defined(CONFIG_PAGE_SIZE_16KB)
 207 #define PM_DEFAULT_MASK PM_16K
 208 #elif defined(CONFIG_PAGE_SIZE_32KB)
 209 #define PM_DEFAULT_MASK PM_32K
 210 #elif defined(CONFIG_PAGE_SIZE_64KB)
 211 #define PM_DEFAULT_MASK PM_64K
 212 #else
 213 #error Bad page size configuration!
 214 #endif
 215 
 216 /*
 217  * Default huge tlb size for a given kernel configuration
 218  */
 219 #ifdef CONFIG_PAGE_SIZE_4KB
 220 #define PM_HUGE_MASK    PM_1M
 221 #elif defined(CONFIG_PAGE_SIZE_8KB)
 222 #define PM_HUGE_MASK    PM_4M
 223 #elif defined(CONFIG_PAGE_SIZE_16KB)
 224 #define PM_HUGE_MASK    PM_16M
 225 #elif defined(CONFIG_PAGE_SIZE_32KB)
 226 #define PM_HUGE_MASK    PM_64M
 227 #elif defined(CONFIG_PAGE_SIZE_64KB)
 228 #define PM_HUGE_MASK    PM_256M
 229 #elif defined(CONFIG_MIPS_HUGE_TLB_SUPPORT)
 230 #error Bad page size configuration for hugetlbfs!
 231 #endif
 232 
 233 /*
 234  * Wired register bits
 235  */
 236 #define MIPSR6_WIRED_LIMIT_SHIFT 16
 237 #define MIPSR6_WIRED_LIMIT      (_ULCAST_(0xffff) << MIPSR6_WIRED_LIMIT_SHIFT)
 238 #define MIPSR6_WIRED_WIRED_SHIFT 0
 239 #define MIPSR6_WIRED_WIRED      (_ULCAST_(0xffff) << MIPSR6_WIRED_WIRED_SHIFT)
 240 
 241 /*
 242  * Values used for computation of new tlb entries
 243  */
 244 #define PL_4K           12
 245 #define PL_16K          14
 246 #define PL_64K          16
 247 #define PL_256K         18
 248 #define PL_1M           20
 249 #define PL_4M           22
 250 #define PL_16M          24
 251 #define PL_64M          26
 252 #define PL_256M         28
 253 
 254 /*
 255  * PageGrain bits
 256  */
 257 #define PG_RIE          (_ULCAST_(1) <<  31)
 258 #define PG_XIE          (_ULCAST_(1) <<  30)
 259 #define PG_ELPA         (_ULCAST_(1) <<  29)
 260 #define PG_ESP          (_ULCAST_(1) <<  28)
 261 #define PG_IEC          (_ULCAST_(1) <<  27)
 262 
 263 /* MIPS32/64 EntryHI bit definitions */
 264 #define MIPS_ENTRYHI_EHINV      (_ULCAST_(1) << 10)
 265 #define MIPS_ENTRYHI_ASIDX      (_ULCAST_(0x3) << 8)
 266 #define MIPS_ENTRYHI_ASID       (_ULCAST_(0xff) << 0)
 267 
 268 /*
 269  * R4x00 interrupt enable / cause bits
 270  */
 271 #define IE_SW0          (_ULCAST_(1) <<  8)
 272 #define IE_SW1          (_ULCAST_(1) <<  9)
 273 #define IE_IRQ0         (_ULCAST_(1) << 10)
 274 #define IE_IRQ1         (_ULCAST_(1) << 11)
 275 #define IE_IRQ2         (_ULCAST_(1) << 12)
 276 #define IE_IRQ3         (_ULCAST_(1) << 13)
 277 #define IE_IRQ4         (_ULCAST_(1) << 14)
 278 #define IE_IRQ5         (_ULCAST_(1) << 15)
 279 
 280 /*
 281  * R4x00 interrupt cause bits
 282  */
 283 #define C_SW0           (_ULCAST_(1) <<  8)
 284 #define C_SW1           (_ULCAST_(1) <<  9)
 285 #define C_IRQ0          (_ULCAST_(1) << 10)
 286 #define C_IRQ1          (_ULCAST_(1) << 11)
 287 #define C_IRQ2          (_ULCAST_(1) << 12)
 288 #define C_IRQ3          (_ULCAST_(1) << 13)
 289 #define C_IRQ4          (_ULCAST_(1) << 14)
 290 #define C_IRQ5          (_ULCAST_(1) << 15)
 291 
 292 /*
 293  * Bitfields in the R4xx0 cp0 status register
 294  */
 295 #define ST0_IE                  0x00000001
 296 #define ST0_EXL                 0x00000002
 297 #define ST0_ERL                 0x00000004
 298 #define ST0_KSU                 0x00000018
 299 #  define KSU_USER              0x00000010
 300 #  define KSU_SUPERVISOR        0x00000008
 301 #  define KSU_KERNEL            0x00000000
 302 #define ST0_UX                  0x00000020
 303 #define ST0_SX                  0x00000040
 304 #define ST0_KX                  0x00000080
 305 #define ST0_DE                  0x00010000
 306 #define ST0_CE                  0x00020000
 307 
 308 /*
 309  * Setting c0_status.co enables Hit_Writeback and Hit_Writeback_Invalidate
 310  * cacheops in userspace.  This bit exists only on RM7000 and RM9000
 311  * processors.
 312  */
 313 #define ST0_CO                  0x08000000
 314 
 315 /*
 316  * Bitfields in the R[23]000 cp0 status register.
 317  */
 318 #define ST0_IEC                 0x00000001
 319 #define ST0_KUC                 0x00000002
 320 #define ST0_IEP                 0x00000004
 321 #define ST0_KUP                 0x00000008
 322 #define ST0_IEO                 0x00000010
 323 #define ST0_KUO                 0x00000020
 324 /* bits 6 & 7 are reserved on R[23]000 */
 325 #define ST0_ISC                 0x00010000
 326 #define ST0_SWC                 0x00020000
 327 #define ST0_CM                  0x00080000
 328 
 329 /*
 330  * Bits specific to the R4640/R4650
 331  */
 332 #define ST0_UM                  (_ULCAST_(1) <<  4)
 333 #define ST0_IL                  (_ULCAST_(1) << 23)
 334 #define ST0_DL                  (_ULCAST_(1) << 24)
 335 
 336 /*
 337  * Enable the MIPS MDMX and DSP ASEs
 338  */
 339 #define ST0_MX                  0x01000000
 340 
 341 /*
 342  * Status register bits available in all MIPS CPUs.
 343  */
 344 #define ST0_IM                  0x0000ff00
 345 #define  STATUSB_IP0            8
 346 #define  STATUSF_IP0            (_ULCAST_(1) <<  8)
 347 #define  STATUSB_IP1            9
 348 #define  STATUSF_IP1            (_ULCAST_(1) <<  9)
 349 #define  STATUSB_IP2            10
 350 #define  STATUSF_IP2            (_ULCAST_(1) << 10)
 351 #define  STATUSB_IP3            11
 352 #define  STATUSF_IP3            (_ULCAST_(1) << 11)
 353 #define  STATUSB_IP4            12
 354 #define  STATUSF_IP4            (_ULCAST_(1) << 12)
 355 #define  STATUSB_IP5            13
 356 #define  STATUSF_IP5            (_ULCAST_(1) << 13)
 357 #define  STATUSB_IP6            14
 358 #define  STATUSF_IP6            (_ULCAST_(1) << 14)
 359 #define  STATUSB_IP7            15
 360 #define  STATUSF_IP7            (_ULCAST_(1) << 15)
 361 #define  STATUSB_IP8            0
 362 #define  STATUSF_IP8            (_ULCAST_(1) <<  0)
 363 #define  STATUSB_IP9            1
 364 #define  STATUSF_IP9            (_ULCAST_(1) <<  1)
 365 #define  STATUSB_IP10           2
 366 #define  STATUSF_IP10           (_ULCAST_(1) <<  2)
 367 #define  STATUSB_IP11           3
 368 #define  STATUSF_IP11           (_ULCAST_(1) <<  3)
 369 #define  STATUSB_IP12           4
 370 #define  STATUSF_IP12           (_ULCAST_(1) <<  4)
 371 #define  STATUSB_IP13           5
 372 #define  STATUSF_IP13           (_ULCAST_(1) <<  5)
 373 #define  STATUSB_IP14           6
 374 #define  STATUSF_IP14           (_ULCAST_(1) <<  6)
 375 #define  STATUSB_IP15           7
 376 #define  STATUSF_IP15           (_ULCAST_(1) <<  7)
 377 #define ST0_CH                  0x00040000
 378 #define ST0_NMI                 0x00080000
 379 #define ST0_SR                  0x00100000
 380 #define ST0_TS                  0x00200000
 381 #define ST0_BEV                 0x00400000
 382 #define ST0_RE                  0x02000000
 383 #define ST0_FR                  0x04000000
 384 #define ST0_CU                  0xf0000000
 385 #define ST0_CU0                 0x10000000
 386 #define ST0_CU1                 0x20000000
 387 #define ST0_CU2                 0x40000000
 388 #define ST0_CU3                 0x80000000
 389 #define ST0_XX                  0x80000000      /* MIPS IV naming */
 390 
 391 /*
 392  * Bitfields and bit numbers in the coprocessor 0 IntCtl register. (MIPSR2)
 393  */
 394 #define INTCTLB_IPFDC           23
 395 #define INTCTLF_IPFDC           (_ULCAST_(7) << INTCTLB_IPFDC)
 396 #define INTCTLB_IPPCI           26
 397 #define INTCTLF_IPPCI           (_ULCAST_(7) << INTCTLB_IPPCI)
 398 #define INTCTLB_IPTI            29
 399 #define INTCTLF_IPTI            (_ULCAST_(7) << INTCTLB_IPTI)
 400 
 401 /*
 402  * Bitfields and bit numbers in the coprocessor 0 cause register.
 403  *
 404  * Refer to your MIPS R4xx0 manual, chapter 5 for explanation.
 405  */
 406 #define CAUSEB_EXCCODE          2
 407 #define CAUSEF_EXCCODE          (_ULCAST_(31)  <<  2)
 408 #define CAUSEB_IP               8
 409 #define CAUSEF_IP               (_ULCAST_(255) <<  8)
 410 #define  CAUSEB_IP0             8
 411 #define  CAUSEF_IP0             (_ULCAST_(1)   <<  8)
 412 #define  CAUSEB_IP1             9
 413 #define  CAUSEF_IP1             (_ULCAST_(1)   <<  9)
 414 #define  CAUSEB_IP2             10
 415 #define  CAUSEF_IP2             (_ULCAST_(1)   << 10)
 416 #define  CAUSEB_IP3             11
 417 #define  CAUSEF_IP3             (_ULCAST_(1)   << 11)
 418 #define  CAUSEB_IP4             12
 419 #define  CAUSEF_IP4             (_ULCAST_(1)   << 12)
 420 #define  CAUSEB_IP5             13
 421 #define  CAUSEF_IP5             (_ULCAST_(1)   << 13)
 422 #define  CAUSEB_IP6             14
 423 #define  CAUSEF_IP6             (_ULCAST_(1)   << 14)
 424 #define  CAUSEB_IP7             15
 425 #define  CAUSEF_IP7             (_ULCAST_(1)   << 15)
 426 #define CAUSEB_FDCI             21
 427 #define CAUSEF_FDCI             (_ULCAST_(1)   << 21)
 428 #define CAUSEB_WP               22
 429 #define CAUSEF_WP               (_ULCAST_(1)   << 22)
 430 #define CAUSEB_IV               23
 431 #define CAUSEF_IV               (_ULCAST_(1)   << 23)
 432 #define CAUSEB_PCI              26
 433 #define CAUSEF_PCI              (_ULCAST_(1)   << 26)
 434 #define CAUSEB_DC               27
 435 #define CAUSEF_DC               (_ULCAST_(1)   << 27)
 436 #define CAUSEB_CE               28
 437 #define CAUSEF_CE               (_ULCAST_(3)   << 28)
 438 #define CAUSEB_TI               30
 439 #define CAUSEF_TI               (_ULCAST_(1)   << 30)
 440 #define CAUSEB_BD               31
 441 #define CAUSEF_BD               (_ULCAST_(1)   << 31)
 442 
 443 /*
 444  * Cause.ExcCode trap codes.
 445  */
 446 #define EXCCODE_INT             0       /* Interrupt pending */
 447 #define EXCCODE_MOD             1       /* TLB modified fault */
 448 #define EXCCODE_TLBL            2       /* TLB miss on load or ifetch */
 449 #define EXCCODE_TLBS            3       /* TLB miss on a store */
 450 #define EXCCODE_ADEL            4       /* Address error on a load or ifetch */
 451 #define EXCCODE_ADES            5       /* Address error on a store */
 452 #define EXCCODE_IBE             6       /* Bus error on an ifetch */
 453 #define EXCCODE_DBE             7       /* Bus error on a load or store */
 454 #define EXCCODE_SYS             8       /* System call */
 455 #define EXCCODE_BP              9       /* Breakpoint */
 456 #define EXCCODE_RI              10      /* Reserved instruction exception */
 457 #define EXCCODE_CPU             11      /* Coprocessor unusable */
 458 #define EXCCODE_OV              12      /* Arithmetic overflow */
 459 #define EXCCODE_TR              13      /* Trap instruction */
 460 #define EXCCODE_MSAFPE          14      /* MSA floating point exception */
 461 #define EXCCODE_FPE             15      /* Floating point exception */
 462 #define EXCCODE_TLBRI           19      /* TLB Read-Inhibit exception */
 463 #define EXCCODE_TLBXI           20      /* TLB Execution-Inhibit exception */
 464 #define EXCCODE_MSADIS          21      /* MSA disabled exception */
 465 #define EXCCODE_MDMX            22      /* MDMX unusable exception */
 466 #define EXCCODE_WATCH           23      /* Watch address reference */
 467 #define EXCCODE_MCHECK          24      /* Machine check */
 468 #define EXCCODE_THREAD          25      /* Thread exceptions (MT) */
 469 #define EXCCODE_DSPDIS          26      /* DSP disabled exception */
 470 #define EXCCODE_GE              27      /* Virtualized guest exception (VZ) */
 471 
 472 /* Implementation specific trap codes used by MIPS cores */
 473 #define MIPS_EXCCODE_TLBPAR     16      /* TLB parity error exception */
 474 
 475 /*
 476  * Bits in the coprocessor 0 config register.
 477  */
 478 /* Generic bits.  */
 479 #define CONF_CM_CACHABLE_NO_WA          0
 480 #define CONF_CM_CACHABLE_WA             1
 481 #define CONF_CM_UNCACHED                2
 482 #define CONF_CM_CACHABLE_NONCOHERENT    3
 483 #define CONF_CM_CACHABLE_CE             4
 484 #define CONF_CM_CACHABLE_COW            5
 485 #define CONF_CM_CACHABLE_CUW            6
 486 #define CONF_CM_CACHABLE_ACCELERATED    7
 487 #define CONF_CM_CMASK                   7
 488 #define CONF_BE                 (_ULCAST_(1) << 15)
 489 
 490 /* Bits common to various processors.  */
 491 #define CONF_CU                 (_ULCAST_(1) <<  3)
 492 #define CONF_DB                 (_ULCAST_(1) <<  4)
 493 #define CONF_IB                 (_ULCAST_(1) <<  5)
 494 #define CONF_DC                 (_ULCAST_(7) <<  6)
 495 #define CONF_IC                 (_ULCAST_(7) <<  9)
 496 #define CONF_EB                 (_ULCAST_(1) << 13)
 497 #define CONF_EM                 (_ULCAST_(1) << 14)
 498 #define CONF_SM                 (_ULCAST_(1) << 16)
 499 #define CONF_SC                 (_ULCAST_(1) << 17)
 500 #define CONF_EW                 (_ULCAST_(3) << 18)
 501 #define CONF_EP                 (_ULCAST_(15)<< 24)
 502 #define CONF_EC                 (_ULCAST_(7) << 28)
 503 #define CONF_CM                 (_ULCAST_(1) << 31)
 504 
 505 /* Bits specific to the R4xx0.  */
 506 #define R4K_CONF_SW             (_ULCAST_(1) << 20)
 507 #define R4K_CONF_SS             (_ULCAST_(1) << 21)
 508 #define R4K_CONF_SB             (_ULCAST_(3) << 22)
 509 
 510 /* Bits specific to the R5000.  */
 511 #define R5K_CONF_SE             (_ULCAST_(1) << 12)
 512 #define R5K_CONF_SS             (_ULCAST_(3) << 20)
 513 
 514 /* Bits specific to the RM7000.  */
 515 #define RM7K_CONF_SE            (_ULCAST_(1) <<  3)
 516 #define RM7K_CONF_TE            (_ULCAST_(1) << 12)
 517 #define RM7K_CONF_CLK           (_ULCAST_(1) << 16)
 518 #define RM7K_CONF_TC            (_ULCAST_(1) << 17)
 519 #define RM7K_CONF_SI            (_ULCAST_(3) << 20)
 520 #define RM7K_CONF_SC            (_ULCAST_(1) << 31)
 521 
 522 /* Bits specific to the R10000.  */
 523 #define R10K_CONF_DN            (_ULCAST_(3) <<  3)
 524 #define R10K_CONF_CT            (_ULCAST_(1) <<  5)
 525 #define R10K_CONF_PE            (_ULCAST_(1) <<  6)
 526 #define R10K_CONF_PM            (_ULCAST_(3) <<  7)
 527 #define R10K_CONF_EC            (_ULCAST_(15)<<  9)
 528 #define R10K_CONF_SB            (_ULCAST_(1) << 13)
 529 #define R10K_CONF_SK            (_ULCAST_(1) << 14)
 530 #define R10K_CONF_SS            (_ULCAST_(7) << 16)
 531 #define R10K_CONF_SC            (_ULCAST_(7) << 19)
 532 #define R10K_CONF_DC            (_ULCAST_(7) << 26)
 533 #define R10K_CONF_IC            (_ULCAST_(7) << 29)
 534 
 535 /* Bits specific to the VR41xx.  */
 536 #define VR41_CONF_CS            (_ULCAST_(1) << 12)
 537 #define VR41_CONF_P4K           (_ULCAST_(1) << 13)
 538 #define VR41_CONF_BP            (_ULCAST_(1) << 16)
 539 #define VR41_CONF_M16           (_ULCAST_(1) << 20)
 540 #define VR41_CONF_AD            (_ULCAST_(1) << 23)
 541 
 542 /* Bits specific to the R30xx.  */
 543 #define R30XX_CONF_FDM          (_ULCAST_(1) << 19)
 544 #define R30XX_CONF_REV          (_ULCAST_(1) << 22)
 545 #define R30XX_CONF_AC           (_ULCAST_(1) << 23)
 546 #define R30XX_CONF_RF           (_ULCAST_(1) << 24)
 547 #define R30XX_CONF_HALT         (_ULCAST_(1) << 25)
 548 #define R30XX_CONF_FPINT        (_ULCAST_(7) << 26)
 549 #define R30XX_CONF_DBR          (_ULCAST_(1) << 29)
 550 #define R30XX_CONF_SB           (_ULCAST_(1) << 30)
 551 #define R30XX_CONF_LOCK         (_ULCAST_(1) << 31)
 552 
 553 /* Bits specific to the TX49.  */
 554 #define TX49_CONF_DC            (_ULCAST_(1) << 16)
 555 #define TX49_CONF_IC            (_ULCAST_(1) << 17)  /* conflict with CONF_SC */
 556 #define TX49_CONF_HALT          (_ULCAST_(1) << 18)
 557 #define TX49_CONF_CWFON         (_ULCAST_(1) << 27)
 558 
 559 /* Bits specific to the MIPS32/64 PRA.  */
 560 #define MIPS_CONF_VI            (_ULCAST_(1) <<  3)
 561 #define MIPS_CONF_MT            (_ULCAST_(7) <<  7)
 562 #define MIPS_CONF_MT_TLB        (_ULCAST_(1) <<  7)
 563 #define MIPS_CONF_MT_FTLB       (_ULCAST_(4) <<  7)
 564 #define MIPS_CONF_AR            (_ULCAST_(7) << 10)
 565 #define MIPS_CONF_AT            (_ULCAST_(3) << 13)
 566 #define MIPS_CONF_M             (_ULCAST_(1) << 31)
 567 
 568 /*
 569  * Bits in the MIPS32/64 PRA coprocessor 0 config registers 1 and above.
 570  */
 571 #define MIPS_CONF1_FP           (_ULCAST_(1) <<  0)
 572 #define MIPS_CONF1_EP           (_ULCAST_(1) <<  1)
 573 #define MIPS_CONF1_CA           (_ULCAST_(1) <<  2)
 574 #define MIPS_CONF1_WR           (_ULCAST_(1) <<  3)
 575 #define MIPS_CONF1_PC           (_ULCAST_(1) <<  4)
 576 #define MIPS_CONF1_MD           (_ULCAST_(1) <<  5)
 577 #define MIPS_CONF1_C2           (_ULCAST_(1) <<  6)
 578 #define MIPS_CONF1_DA_SHF       7
 579 #define MIPS_CONF1_DA_SZ        3
 580 #define MIPS_CONF1_DA           (_ULCAST_(7) <<  7)
 581 #define MIPS_CONF1_DL_SHF       10
 582 #define MIPS_CONF1_DL_SZ        3
 583 #define MIPS_CONF1_DL           (_ULCAST_(7) << 10)
 584 #define MIPS_CONF1_DS_SHF       13
 585 #define MIPS_CONF1_DS_SZ        3
 586 #define MIPS_CONF1_DS           (_ULCAST_(7) << 13)
 587 #define MIPS_CONF1_IA_SHF       16
 588 #define MIPS_CONF1_IA_SZ        3
 589 #define MIPS_CONF1_IA           (_ULCAST_(7) << 16)
 590 #define MIPS_CONF1_IL_SHF       19
 591 #define MIPS_CONF1_IL_SZ        3
 592 #define MIPS_CONF1_IL           (_ULCAST_(7) << 19)
 593 #define MIPS_CONF1_IS_SHF       22
 594 #define MIPS_CONF1_IS_SZ        3
 595 #define MIPS_CONF1_IS           (_ULCAST_(7) << 22)
 596 #define MIPS_CONF1_TLBS_SHIFT   (25)
 597 #define MIPS_CONF1_TLBS_SIZE    (6)
 598 #define MIPS_CONF1_TLBS         (_ULCAST_(63) << MIPS_CONF1_TLBS_SHIFT)
 599 
 600 #define MIPS_CONF2_SA           (_ULCAST_(15)<<  0)
 601 #define MIPS_CONF2_SL           (_ULCAST_(15)<<  4)
 602 #define MIPS_CONF2_SS           (_ULCAST_(15)<<  8)
 603 #define MIPS_CONF2_SU           (_ULCAST_(15)<< 12)
 604 #define MIPS_CONF2_TA           (_ULCAST_(15)<< 16)
 605 #define MIPS_CONF2_TL           (_ULCAST_(15)<< 20)
 606 #define MIPS_CONF2_TS           (_ULCAST_(15)<< 24)
 607 #define MIPS_CONF2_TU           (_ULCAST_(7) << 28)
 608 
 609 #define MIPS_CONF3_TL           (_ULCAST_(1) <<  0)
 610 #define MIPS_CONF3_SM           (_ULCAST_(1) <<  1)
 611 #define MIPS_CONF3_MT           (_ULCAST_(1) <<  2)
 612 #define MIPS_CONF3_CDMM         (_ULCAST_(1) <<  3)
 613 #define MIPS_CONF3_SP           (_ULCAST_(1) <<  4)
 614 #define MIPS_CONF3_VINT         (_ULCAST_(1) <<  5)
 615 #define MIPS_CONF3_VEIC         (_ULCAST_(1) <<  6)
 616 #define MIPS_CONF3_LPA          (_ULCAST_(1) <<  7)
 617 #define MIPS_CONF3_ITL          (_ULCAST_(1) <<  8)
 618 #define MIPS_CONF3_CTXTC        (_ULCAST_(1) <<  9)
 619 #define MIPS_CONF3_DSP          (_ULCAST_(1) << 10)
 620 #define MIPS_CONF3_DSP2P        (_ULCAST_(1) << 11)
 621 #define MIPS_CONF3_RXI          (_ULCAST_(1) << 12)
 622 #define MIPS_CONF3_ULRI         (_ULCAST_(1) << 13)
 623 #define MIPS_CONF3_ISA          (_ULCAST_(3) << 14)
 624 #define MIPS_CONF3_ISA_OE       (_ULCAST_(1) << 16)
 625 #define MIPS_CONF3_MCU          (_ULCAST_(1) << 17)
 626 #define MIPS_CONF3_MMAR         (_ULCAST_(7) << 18)
 627 #define MIPS_CONF3_IPLW         (_ULCAST_(3) << 21)
 628 #define MIPS_CONF3_VZ           (_ULCAST_(1) << 23)
 629 #define MIPS_CONF3_PW           (_ULCAST_(1) << 24)
 630 #define MIPS_CONF3_SC           (_ULCAST_(1) << 25)
 631 #define MIPS_CONF3_BI           (_ULCAST_(1) << 26)
 632 #define MIPS_CONF3_BP           (_ULCAST_(1) << 27)
 633 #define MIPS_CONF3_MSA          (_ULCAST_(1) << 28)
 634 #define MIPS_CONF3_CMGCR        (_ULCAST_(1) << 29)
 635 #define MIPS_CONF3_BPG          (_ULCAST_(1) << 30)
 636 
 637 #define MIPS_CONF4_MMUSIZEEXT_SHIFT     (0)
 638 #define MIPS_CONF4_MMUSIZEEXT   (_ULCAST_(255) << 0)
 639 #define MIPS_CONF4_FTLBSETS_SHIFT       (0)
 640 #define MIPS_CONF4_FTLBSETS     (_ULCAST_(15) << MIPS_CONF4_FTLBSETS_SHIFT)
 641 #define MIPS_CONF4_FTLBWAYS_SHIFT       (4)
 642 #define MIPS_CONF4_FTLBWAYS     (_ULCAST_(15) << MIPS_CONF4_FTLBWAYS_SHIFT)
 643 #define MIPS_CONF4_FTLBPAGESIZE_SHIFT   (8)
 644 /* bits 10:8 in FTLB-only configurations */
 645 #define MIPS_CONF4_FTLBPAGESIZE (_ULCAST_(7) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
 646 /* bits 12:8 in VTLB-FTLB only configurations */
 647 #define MIPS_CONF4_VFTLBPAGESIZE (_ULCAST_(31) << MIPS_CONF4_FTLBPAGESIZE_SHIFT)
 648 #define MIPS_CONF4_MMUEXTDEF    (_ULCAST_(3) << 14)
 649 #define MIPS_CONF4_MMUEXTDEF_MMUSIZEEXT (_ULCAST_(1) << 14)
 650 #define MIPS_CONF4_MMUEXTDEF_FTLBSIZEEXT        (_ULCAST_(2) << 14)
 651 #define MIPS_CONF4_MMUEXTDEF_VTLBSIZEEXT        (_ULCAST_(3) << 14)
 652 #define MIPS_CONF4_KSCREXIST_SHIFT      (16)
 653 #define MIPS_CONF4_KSCREXIST    (_ULCAST_(255) << MIPS_CONF4_KSCREXIST_SHIFT)
 654 #define MIPS_CONF4_VTLBSIZEEXT_SHIFT    (24)
 655 #define MIPS_CONF4_VTLBSIZEEXT  (_ULCAST_(15) << MIPS_CONF4_VTLBSIZEEXT_SHIFT)
 656 #define MIPS_CONF4_AE           (_ULCAST_(1) << 28)
 657 #define MIPS_CONF4_IE           (_ULCAST_(3) << 29)
 658 #define MIPS_CONF4_TLBINV       (_ULCAST_(2) << 29)
 659 
 660 #define MIPS_CONF5_NF           (_ULCAST_(1) << 0)
 661 #define MIPS_CONF5_UFR          (_ULCAST_(1) << 2)
 662 #define MIPS_CONF5_MRP          (_ULCAST_(1) << 3)
 663 #define MIPS_CONF5_LLB          (_ULCAST_(1) << 4)
 664 #define MIPS_CONF5_MVH          (_ULCAST_(1) << 5)
 665 #define MIPS_CONF5_VP           (_ULCAST_(1) << 7)
 666 #define MIPS_CONF5_SBRI         (_ULCAST_(1) << 6)
 667 #define MIPS_CONF5_FRE          (_ULCAST_(1) << 8)
 668 #define MIPS_CONF5_UFE          (_ULCAST_(1) << 9)
 669 #define MIPS_CONF5_CA2          (_ULCAST_(1) << 14)
 670 #define MIPS_CONF5_MI           (_ULCAST_(1) << 17)
 671 #define MIPS_CONF5_CRCP         (_ULCAST_(1) << 18)
 672 #define MIPS_CONF5_MSAEN        (_ULCAST_(1) << 27)
 673 #define MIPS_CONF5_EVA          (_ULCAST_(1) << 28)
 674 #define MIPS_CONF5_CV           (_ULCAST_(1) << 29)
 675 #define MIPS_CONF5_K            (_ULCAST_(1) << 30)
 676 
 677 #define MIPS_CONF6_SYND         (_ULCAST_(1) << 13)
 678 /* proAptiv FTLB on/off bit */
 679 #define MIPS_CONF6_FTLBEN       (_ULCAST_(1) << 15)
 680 /* Loongson-3 FTLB on/off bit */
 681 #define MIPS_CONF6_FTLBDIS      (_ULCAST_(1) << 22)
 682 /* FTLB probability bits */
 683 #define MIPS_CONF6_FTLBP_SHIFT  (16)
 684 
 685 #define MIPS_CONF7_WII          (_ULCAST_(1) << 31)
 686 
 687 #define MIPS_CONF7_RPS          (_ULCAST_(1) << 2)
 688 
 689 #define MIPS_CONF7_IAR          (_ULCAST_(1) << 10)
 690 #define MIPS_CONF7_AR           (_ULCAST_(1) << 16)
 691 
 692 /* Ingenic Config7 bits */
 693 #define MIPS_CONF7_BTB_LOOP_EN  (_ULCAST_(1) << 4)
 694 
 695 /* Config7 Bits specific to MIPS Technologies. */
 696 
 697 /* Performance counters implemented Per TC */
 698 #define MTI_CONF7_PTC           (_ULCAST_(1) << 19)
 699 
 700 /* WatchLo* register definitions */
 701 #define MIPS_WATCHLO_IRW        (_ULCAST_(0x7) << 0)
 702 
 703 /* WatchHi* register definitions */
 704 #define MIPS_WATCHHI_M          (_ULCAST_(1) << 31)
 705 #define MIPS_WATCHHI_G          (_ULCAST_(1) << 30)
 706 #define MIPS_WATCHHI_WM         (_ULCAST_(0x3) << 28)
 707 #define MIPS_WATCHHI_WM_R_RVA   (_ULCAST_(0) << 28)
 708 #define MIPS_WATCHHI_WM_R_GPA   (_ULCAST_(1) << 28)
 709 #define MIPS_WATCHHI_WM_G_GVA   (_ULCAST_(2) << 28)
 710 #define MIPS_WATCHHI_EAS        (_ULCAST_(0x3) << 24)
 711 #define MIPS_WATCHHI_ASID       (_ULCAST_(0xff) << 16)
 712 #define MIPS_WATCHHI_MASK       (_ULCAST_(0x1ff) << 3)
 713 #define MIPS_WATCHHI_I          (_ULCAST_(1) << 2)
 714 #define MIPS_WATCHHI_R          (_ULCAST_(1) << 1)
 715 #define MIPS_WATCHHI_W          (_ULCAST_(1) << 0)
 716 #define MIPS_WATCHHI_IRW        (_ULCAST_(0x7) << 0)
 717 
 718 /* PerfCnt control register definitions */
 719 #define MIPS_PERFCTRL_EXL       (_ULCAST_(1) << 0)
 720 #define MIPS_PERFCTRL_K         (_ULCAST_(1) << 1)
 721 #define MIPS_PERFCTRL_S         (_ULCAST_(1) << 2)
 722 #define MIPS_PERFCTRL_U         (_ULCAST_(1) << 3)
 723 #define MIPS_PERFCTRL_IE        (_ULCAST_(1) << 4)
 724 #define MIPS_PERFCTRL_EVENT_S   5
 725 #define MIPS_PERFCTRL_EVENT     (_ULCAST_(0x3ff) << MIPS_PERFCTRL_EVENT_S)
 726 #define MIPS_PERFCTRL_PCTD      (_ULCAST_(1) << 15)
 727 #define MIPS_PERFCTRL_EC        (_ULCAST_(0x3) << 23)
 728 #define MIPS_PERFCTRL_EC_R      (_ULCAST_(0) << 23)
 729 #define MIPS_PERFCTRL_EC_RI     (_ULCAST_(1) << 23)
 730 #define MIPS_PERFCTRL_EC_G      (_ULCAST_(2) << 23)
 731 #define MIPS_PERFCTRL_EC_GRI    (_ULCAST_(3) << 23)
 732 #define MIPS_PERFCTRL_W         (_ULCAST_(1) << 30)
 733 #define MIPS_PERFCTRL_M         (_ULCAST_(1) << 31)
 734 
 735 /* PerfCnt control register MT extensions used by MIPS cores */
 736 #define MIPS_PERFCTRL_VPEID_S   16
 737 #define MIPS_PERFCTRL_VPEID     (_ULCAST_(0xf) << MIPS_PERFCTRL_VPEID_S)
 738 #define MIPS_PERFCTRL_TCID_S    22
 739 #define MIPS_PERFCTRL_TCID      (_ULCAST_(0xff) << MIPS_PERFCTRL_TCID_S)
 740 #define MIPS_PERFCTRL_MT_EN     (_ULCAST_(0x3) << 20)
 741 #define MIPS_PERFCTRL_MT_EN_ALL (_ULCAST_(0) << 20)
 742 #define MIPS_PERFCTRL_MT_EN_VPE (_ULCAST_(1) << 20)
 743 #define MIPS_PERFCTRL_MT_EN_TC  (_ULCAST_(2) << 20)
 744 
 745 /* PerfCnt control register MT extensions used by BMIPS5000 */
 746 #define BRCM_PERFCTRL_TC        (_ULCAST_(1) << 30)
 747 
 748 /* PerfCnt control register MT extensions used by Netlogic XLR */
 749 #define XLR_PERFCTRL_ALLTHREADS (_ULCAST_(1) << 13)
 750 
 751 /* MAAR bit definitions */
 752 #define MIPS_MAAR_VH            (_U64CAST_(1) << 63)
 753 #define MIPS_MAAR_ADDR          ((BIT_ULL(BITS_PER_LONG - 12) - 1) << 12)
 754 #define MIPS_MAAR_ADDR_SHIFT    12
 755 #define MIPS_MAAR_S             (_ULCAST_(1) << 1)
 756 #define MIPS_MAAR_VL            (_ULCAST_(1) << 0)
 757 
 758 /* MAARI bit definitions */
 759 #define MIPS_MAARI_INDEX        (_ULCAST_(0x3f) << 0)
 760 
 761 /* EBase bit definitions */
 762 #define MIPS_EBASE_CPUNUM_SHIFT 0
 763 #define MIPS_EBASE_CPUNUM       (_ULCAST_(0x3ff) << 0)
 764 #define MIPS_EBASE_WG_SHIFT     11
 765 #define MIPS_EBASE_WG           (_ULCAST_(1) << 11)
 766 #define MIPS_EBASE_BASE_SHIFT   12
 767 #define MIPS_EBASE_BASE         (~_ULCAST_((1 << MIPS_EBASE_BASE_SHIFT) - 1))
 768 
 769 /* CMGCRBase bit definitions */
 770 #define MIPS_CMGCRB_BASE        11
 771 #define MIPS_CMGCRF_BASE        (~_ULCAST_((1 << MIPS_CMGCRB_BASE) - 1))
 772 
 773 /* LLAddr bit definitions */
 774 #define MIPS_LLADDR_LLB_SHIFT   0
 775 #define MIPS_LLADDR_LLB         (_ULCAST_(1) << MIPS_LLADDR_LLB_SHIFT)
 776 
 777 /*
 778  * Bits in the MIPS32 Memory Segmentation registers.
 779  */
 780 #define MIPS_SEGCFG_PA_SHIFT    9
 781 #define MIPS_SEGCFG_PA          (_ULCAST_(127) << MIPS_SEGCFG_PA_SHIFT)
 782 #define MIPS_SEGCFG_AM_SHIFT    4
 783 #define MIPS_SEGCFG_AM          (_ULCAST_(7) << MIPS_SEGCFG_AM_SHIFT)
 784 #define MIPS_SEGCFG_EU_SHIFT    3
 785 #define MIPS_SEGCFG_EU          (_ULCAST_(1) << MIPS_SEGCFG_EU_SHIFT)
 786 #define MIPS_SEGCFG_C_SHIFT     0
 787 #define MIPS_SEGCFG_C           (_ULCAST_(7) << MIPS_SEGCFG_C_SHIFT)
 788 
 789 #define MIPS_SEGCFG_UUSK        _ULCAST_(7)
 790 #define MIPS_SEGCFG_USK         _ULCAST_(5)
 791 #define MIPS_SEGCFG_MUSUK       _ULCAST_(4)
 792 #define MIPS_SEGCFG_MUSK        _ULCAST_(3)
 793 #define MIPS_SEGCFG_MSK         _ULCAST_(2)
 794 #define MIPS_SEGCFG_MK          _ULCAST_(1)
 795 #define MIPS_SEGCFG_UK          _ULCAST_(0)
 796 
 797 #define MIPS_PWFIELD_GDI_SHIFT  24
 798 #define MIPS_PWFIELD_GDI_MASK   0x3f000000
 799 #define MIPS_PWFIELD_UDI_SHIFT  18
 800 #define MIPS_PWFIELD_UDI_MASK   0x00fc0000
 801 #define MIPS_PWFIELD_MDI_SHIFT  12
 802 #define MIPS_PWFIELD_MDI_MASK   0x0003f000
 803 #define MIPS_PWFIELD_PTI_SHIFT  6
 804 #define MIPS_PWFIELD_PTI_MASK   0x00000fc0
 805 #define MIPS_PWFIELD_PTEI_SHIFT 0
 806 #define MIPS_PWFIELD_PTEI_MASK  0x0000003f
 807 
 808 #define MIPS_PWSIZE_PS_SHIFT    30
 809 #define MIPS_PWSIZE_PS_MASK     0x40000000
 810 #define MIPS_PWSIZE_GDW_SHIFT   24
 811 #define MIPS_PWSIZE_GDW_MASK    0x3f000000
 812 #define MIPS_PWSIZE_UDW_SHIFT   18
 813 #define MIPS_PWSIZE_UDW_MASK    0x00fc0000
 814 #define MIPS_PWSIZE_MDW_SHIFT   12
 815 #define MIPS_PWSIZE_MDW_MASK    0x0003f000
 816 #define MIPS_PWSIZE_PTW_SHIFT   6
 817 #define MIPS_PWSIZE_PTW_MASK    0x00000fc0
 818 #define MIPS_PWSIZE_PTEW_SHIFT  0
 819 #define MIPS_PWSIZE_PTEW_MASK   0x0000003f
 820 
 821 #define MIPS_PWCTL_PWEN_SHIFT   31
 822 #define MIPS_PWCTL_PWEN_MASK    0x80000000
 823 #define MIPS_PWCTL_XK_SHIFT     28
 824 #define MIPS_PWCTL_XK_MASK      0x10000000
 825 #define MIPS_PWCTL_XS_SHIFT     27
 826 #define MIPS_PWCTL_XS_MASK      0x08000000
 827 #define MIPS_PWCTL_XU_SHIFT     26
 828 #define MIPS_PWCTL_XU_MASK      0x04000000
 829 #define MIPS_PWCTL_DPH_SHIFT    7
 830 #define MIPS_PWCTL_DPH_MASK     0x00000080
 831 #define MIPS_PWCTL_HUGEPG_SHIFT 6
 832 #define MIPS_PWCTL_HUGEPG_MASK  0x00000060
 833 #define MIPS_PWCTL_PSN_SHIFT    0
 834 #define MIPS_PWCTL_PSN_MASK     0x0000003f
 835 
 836 /* GuestCtl0 fields */
 837 #define MIPS_GCTL0_GM_SHIFT     31
 838 #define MIPS_GCTL0_GM           (_ULCAST_(1) << MIPS_GCTL0_GM_SHIFT)
 839 #define MIPS_GCTL0_RI_SHIFT     30
 840 #define MIPS_GCTL0_RI           (_ULCAST_(1) << MIPS_GCTL0_RI_SHIFT)
 841 #define MIPS_GCTL0_MC_SHIFT     29
 842 #define MIPS_GCTL0_MC           (_ULCAST_(1) << MIPS_GCTL0_MC_SHIFT)
 843 #define MIPS_GCTL0_CP0_SHIFT    28
 844 #define MIPS_GCTL0_CP0          (_ULCAST_(1) << MIPS_GCTL0_CP0_SHIFT)
 845 #define MIPS_GCTL0_AT_SHIFT     26
 846 #define MIPS_GCTL0_AT           (_ULCAST_(0x3) << MIPS_GCTL0_AT_SHIFT)
 847 #define MIPS_GCTL0_GT_SHIFT     25
 848 #define MIPS_GCTL0_GT           (_ULCAST_(1) << MIPS_GCTL0_GT_SHIFT)
 849 #define MIPS_GCTL0_CG_SHIFT     24
 850 #define MIPS_GCTL0_CG           (_ULCAST_(1) << MIPS_GCTL0_CG_SHIFT)
 851 #define MIPS_GCTL0_CF_SHIFT     23
 852 #define MIPS_GCTL0_CF           (_ULCAST_(1) << MIPS_GCTL0_CF_SHIFT)
 853 #define MIPS_GCTL0_G1_SHIFT     22
 854 #define MIPS_GCTL0_G1           (_ULCAST_(1) << MIPS_GCTL0_G1_SHIFT)
 855 #define MIPS_GCTL0_G0E_SHIFT    19
 856 #define MIPS_GCTL0_G0E          (_ULCAST_(1) << MIPS_GCTL0_G0E_SHIFT)
 857 #define MIPS_GCTL0_PT_SHIFT     18
 858 #define MIPS_GCTL0_PT           (_ULCAST_(1) << MIPS_GCTL0_PT_SHIFT)
 859 #define MIPS_GCTL0_RAD_SHIFT    9
 860 #define MIPS_GCTL0_RAD          (_ULCAST_(1) << MIPS_GCTL0_RAD_SHIFT)
 861 #define MIPS_GCTL0_DRG_SHIFT    8
 862 #define MIPS_GCTL0_DRG          (_ULCAST_(1) << MIPS_GCTL0_DRG_SHIFT)
 863 #define MIPS_GCTL0_G2_SHIFT     7
 864 #define MIPS_GCTL0_G2           (_ULCAST_(1) << MIPS_GCTL0_G2_SHIFT)
 865 #define MIPS_GCTL0_GEXC_SHIFT   2
 866 #define MIPS_GCTL0_GEXC         (_ULCAST_(0x1f) << MIPS_GCTL0_GEXC_SHIFT)
 867 #define MIPS_GCTL0_SFC2_SHIFT   1
 868 #define MIPS_GCTL0_SFC2         (_ULCAST_(1) << MIPS_GCTL0_SFC2_SHIFT)
 869 #define MIPS_GCTL0_SFC1_SHIFT   0
 870 #define MIPS_GCTL0_SFC1         (_ULCAST_(1) << MIPS_GCTL0_SFC1_SHIFT)
 871 
 872 /* GuestCtl0.AT Guest address translation control */
 873 #define MIPS_GCTL0_AT_ROOT      1  /* Guest MMU under Root control */
 874 #define MIPS_GCTL0_AT_GUEST     3  /* Guest MMU under Guest control */
 875 
 876 /* GuestCtl0.GExcCode Hypervisor exception cause codes */
 877 #define MIPS_GCTL0_GEXC_GPSI    0  /* Guest Privileged Sensitive Instruction */
 878 #define MIPS_GCTL0_GEXC_GSFC    1  /* Guest Software Field Change */
 879 #define MIPS_GCTL0_GEXC_HC      2  /* Hypercall */
 880 #define MIPS_GCTL0_GEXC_GRR     3  /* Guest Reserved Instruction Redirect */
 881 #define MIPS_GCTL0_GEXC_GVA     8  /* Guest Virtual Address available */
 882 #define MIPS_GCTL0_GEXC_GHFC    9  /* Guest Hardware Field Change */
 883 #define MIPS_GCTL0_GEXC_GPA     10 /* Guest Physical Address available */
 884 
 885 /* GuestCtl0Ext fields */
 886 #define MIPS_GCTL0EXT_RPW_SHIFT 8
 887 #define MIPS_GCTL0EXT_RPW       (_ULCAST_(0x3) << MIPS_GCTL0EXT_RPW_SHIFT)
 888 #define MIPS_GCTL0EXT_NCC_SHIFT 6
 889 #define MIPS_GCTL0EXT_NCC       (_ULCAST_(0x3) << MIPS_GCTL0EXT_NCC_SHIFT)
 890 #define MIPS_GCTL0EXT_CGI_SHIFT 4
 891 #define MIPS_GCTL0EXT_CGI       (_ULCAST_(1) << MIPS_GCTL0EXT_CGI_SHIFT)
 892 #define MIPS_GCTL0EXT_FCD_SHIFT 3
 893 #define MIPS_GCTL0EXT_FCD       (_ULCAST_(1) << MIPS_GCTL0EXT_FCD_SHIFT)
 894 #define MIPS_GCTL0EXT_OG_SHIFT  2
 895 #define MIPS_GCTL0EXT_OG        (_ULCAST_(1) << MIPS_GCTL0EXT_OG_SHIFT)
 896 #define MIPS_GCTL0EXT_BG_SHIFT  1
 897 #define MIPS_GCTL0EXT_BG        (_ULCAST_(1) << MIPS_GCTL0EXT_BG_SHIFT)
 898 #define MIPS_GCTL0EXT_MG_SHIFT  0
 899 #define MIPS_GCTL0EXT_MG        (_ULCAST_(1) << MIPS_GCTL0EXT_MG_SHIFT)
 900 
 901 /* GuestCtl0Ext.RPW Root page walk configuration */
 902 #define MIPS_GCTL0EXT_RPW_BOTH  0  /* Root PW for GPA->RPA and RVA->RPA */
 903 #define MIPS_GCTL0EXT_RPW_GPA   2  /* Root PW for GPA->RPA */
 904 #define MIPS_GCTL0EXT_RPW_RVA   3  /* Root PW for RVA->RPA */
 905 
 906 /* GuestCtl0Ext.NCC Nested cache coherency attributes */
 907 #define MIPS_GCTL0EXT_NCC_IND   0  /* Guest CCA independent of Root CCA */
 908 #define MIPS_GCTL0EXT_NCC_MOD   1  /* Guest CCA modified by Root CCA */
 909 
 910 /* GuestCtl1 fields */
 911 #define MIPS_GCTL1_ID_SHIFT     0
 912 #define MIPS_GCTL1_ID_WIDTH     8
 913 #define MIPS_GCTL1_ID           (_ULCAST_(0xff) << MIPS_GCTL1_ID_SHIFT)
 914 #define MIPS_GCTL1_RID_SHIFT    16
 915 #define MIPS_GCTL1_RID_WIDTH    8
 916 #define MIPS_GCTL1_RID          (_ULCAST_(0xff) << MIPS_GCTL1_RID_SHIFT)
 917 #define MIPS_GCTL1_EID_SHIFT    24
 918 #define MIPS_GCTL1_EID_WIDTH    8
 919 #define MIPS_GCTL1_EID          (_ULCAST_(0xff) << MIPS_GCTL1_EID_SHIFT)
 920 
 921 /* GuestID reserved for root context */
 922 #define MIPS_GCTL1_ROOT_GUESTID 0
 923 
 924 /* CDMMBase register bit definitions */
 925 #define MIPS_CDMMBASE_SIZE_SHIFT 0
 926 #define MIPS_CDMMBASE_SIZE      (_ULCAST_(511) << MIPS_CDMMBASE_SIZE_SHIFT)
 927 #define MIPS_CDMMBASE_CI        (_ULCAST_(1) << 9)
 928 #define MIPS_CDMMBASE_EN        (_ULCAST_(1) << 10)
 929 #define MIPS_CDMMBASE_ADDR_SHIFT 11
 930 #define MIPS_CDMMBASE_ADDR_START 15
 931 
 932 /* RDHWR register numbers */
 933 #define MIPS_HWR_CPUNUM         0       /* CPU number */
 934 #define MIPS_HWR_SYNCISTEP      1       /* SYNCI step size */
 935 #define MIPS_HWR_CC             2       /* Cycle counter */
 936 #define MIPS_HWR_CCRES          3       /* Cycle counter resolution */
 937 #define MIPS_HWR_ULR            29      /* UserLocal */
 938 #define MIPS_HWR_IMPL1          30      /* Implementation dependent */
 939 #define MIPS_HWR_IMPL2          31      /* Implementation dependent */
 940 
 941 /* Bits in HWREna register */
 942 #define MIPS_HWRENA_CPUNUM      (_ULCAST_(1) << MIPS_HWR_CPUNUM)
 943 #define MIPS_HWRENA_SYNCISTEP   (_ULCAST_(1) << MIPS_HWR_SYNCISTEP)
 944 #define MIPS_HWRENA_CC          (_ULCAST_(1) << MIPS_HWR_CC)
 945 #define MIPS_HWRENA_CCRES       (_ULCAST_(1) << MIPS_HWR_CCRES)
 946 #define MIPS_HWRENA_ULR         (_ULCAST_(1) << MIPS_HWR_ULR)
 947 #define MIPS_HWRENA_IMPL1       (_ULCAST_(1) << MIPS_HWR_IMPL1)
 948 #define MIPS_HWRENA_IMPL2       (_ULCAST_(1) << MIPS_HWR_IMPL2)
 949 
 950 /*
 951  * Bitfields in the TX39 family CP0 Configuration Register 3
 952  */
 953 #define TX39_CONF_ICS_SHIFT     19
 954 #define TX39_CONF_ICS_MASK      0x00380000
 955 #define TX39_CONF_ICS_1KB       0x00000000
 956 #define TX39_CONF_ICS_2KB       0x00080000
 957 #define TX39_CONF_ICS_4KB       0x00100000
 958 #define TX39_CONF_ICS_8KB       0x00180000
 959 #define TX39_CONF_ICS_16KB      0x00200000
 960 
 961 #define TX39_CONF_DCS_SHIFT     16
 962 #define TX39_CONF_DCS_MASK      0x00070000
 963 #define TX39_CONF_DCS_1KB       0x00000000
 964 #define TX39_CONF_DCS_2KB       0x00010000
 965 #define TX39_CONF_DCS_4KB       0x00020000
 966 #define TX39_CONF_DCS_8KB       0x00030000
 967 #define TX39_CONF_DCS_16KB      0x00040000
 968 
 969 #define TX39_CONF_CWFON         0x00004000
 970 #define TX39_CONF_WBON          0x00002000
 971 #define TX39_CONF_RF_SHIFT      10
 972 #define TX39_CONF_RF_MASK       0x00000c00
 973 #define TX39_CONF_DOZE          0x00000200
 974 #define TX39_CONF_HALT          0x00000100
 975 #define TX39_CONF_LOCK          0x00000080
 976 #define TX39_CONF_ICE           0x00000020
 977 #define TX39_CONF_DCE           0x00000010
 978 #define TX39_CONF_IRSIZE_SHIFT  2
 979 #define TX39_CONF_IRSIZE_MASK   0x0000000c
 980 #define TX39_CONF_DRSIZE_SHIFT  0
 981 #define TX39_CONF_DRSIZE_MASK   0x00000003
 982 
 983 /*
 984  * Interesting Bits in the R10K CP0 Branch Diagnostic Register
 985  */
 986 /* Disable Branch Target Address Cache */
 987 #define R10K_DIAG_D_BTAC        (_ULCAST_(1) << 27)
 988 /* Enable Branch Prediction Global History */
 989 #define R10K_DIAG_E_GHIST       (_ULCAST_(1) << 26)
 990 /* Disable Branch Return Cache */
 991 #define R10K_DIAG_D_BRC         (_ULCAST_(1) << 22)
 992 
 993 /* Flush ITLB */
 994 #define LOONGSON_DIAG_ITLB      (_ULCAST_(1) << 2)
 995 /* Flush DTLB */
 996 #define LOONGSON_DIAG_DTLB      (_ULCAST_(1) << 3)
 997 /* Flush VTLB */
 998 #define LOONGSON_DIAG_VTLB      (_ULCAST_(1) << 12)
 999 /* Flush FTLB */
1000 #define LOONGSON_DIAG_FTLB      (_ULCAST_(1) << 13)
1001 
1002 /* CvmCtl register field definitions */
1003 #define CVMCTL_IPPCI_SHIFT      7
1004 #define CVMCTL_IPPCI            (_U64CAST_(0x7) << CVMCTL_IPPCI_SHIFT)
1005 #define CVMCTL_IPTI_SHIFT       4
1006 #define CVMCTL_IPTI             (_U64CAST_(0x7) << CVMCTL_IPTI_SHIFT)
1007 
1008 /* CvmMemCtl2 register field definitions */
1009 #define CVMMEMCTL2_INHIBITTS    (_U64CAST_(1) << 17)
1010 
1011 /* CvmVMConfig register field definitions */
1012 #define CVMVMCONF_DGHT          (_U64CAST_(1) << 60)
1013 #define CVMVMCONF_MMUSIZEM1_S   12
1014 #define CVMVMCONF_MMUSIZEM1     (_U64CAST_(0xff) << CVMVMCONF_MMUSIZEM1_S)
1015 #define CVMVMCONF_RMMUSIZEM1_S  0
1016 #define CVMVMCONF_RMMUSIZEM1    (_U64CAST_(0xff) << CVMVMCONF_RMMUSIZEM1_S)
1017 
1018 /*
1019  * Coprocessor 1 (FPU) register names
1020  */
1021 #define CP1_REVISION    $0
1022 #define CP1_UFR         $1
1023 #define CP1_UNFR        $4
1024 #define CP1_FCCR        $25
1025 #define CP1_FEXR        $26
1026 #define CP1_FENR        $28
1027 #define CP1_STATUS      $31
1028 
1029 
1030 /*
1031  * Bits in the MIPS32/64 coprocessor 1 (FPU) revision register.
1032  */
1033 #define MIPS_FPIR_S             (_ULCAST_(1) << 16)
1034 #define MIPS_FPIR_D             (_ULCAST_(1) << 17)
1035 #define MIPS_FPIR_PS            (_ULCAST_(1) << 18)
1036 #define MIPS_FPIR_3D            (_ULCAST_(1) << 19)
1037 #define MIPS_FPIR_W             (_ULCAST_(1) << 20)
1038 #define MIPS_FPIR_L             (_ULCAST_(1) << 21)
1039 #define MIPS_FPIR_F64           (_ULCAST_(1) << 22)
1040 #define MIPS_FPIR_HAS2008       (_ULCAST_(1) << 23)
1041 #define MIPS_FPIR_UFRP          (_ULCAST_(1) << 28)
1042 #define MIPS_FPIR_FREP          (_ULCAST_(1) << 29)
1043 
1044 /*
1045  * Bits in the MIPS32/64 coprocessor 1 (FPU) condition codes register.
1046  */
1047 #define MIPS_FCCR_CONDX_S       0
1048 #define MIPS_FCCR_CONDX         (_ULCAST_(255) << MIPS_FCCR_CONDX_S)
1049 #define MIPS_FCCR_COND0_S       0
1050 #define MIPS_FCCR_COND0         (_ULCAST_(1) << MIPS_FCCR_COND0_S)
1051 #define MIPS_FCCR_COND1_S       1
1052 #define MIPS_FCCR_COND1         (_ULCAST_(1) << MIPS_FCCR_COND1_S)
1053 #define MIPS_FCCR_COND2_S       2
1054 #define MIPS_FCCR_COND2         (_ULCAST_(1) << MIPS_FCCR_COND2_S)
1055 #define MIPS_FCCR_COND3_S       3
1056 #define MIPS_FCCR_COND3         (_ULCAST_(1) << MIPS_FCCR_COND3_S)
1057 #define MIPS_FCCR_COND4_S       4
1058 #define MIPS_FCCR_COND4         (_ULCAST_(1) << MIPS_FCCR_COND4_S)
1059 #define MIPS_FCCR_COND5_S       5
1060 #define MIPS_FCCR_COND5         (_ULCAST_(1) << MIPS_FCCR_COND5_S)
1061 #define MIPS_FCCR_COND6_S       6
1062 #define MIPS_FCCR_COND6         (_ULCAST_(1) << MIPS_FCCR_COND6_S)
1063 #define MIPS_FCCR_COND7_S       7
1064 #define MIPS_FCCR_COND7         (_ULCAST_(1) << MIPS_FCCR_COND7_S)
1065 
1066 /*
1067  * Bits in the MIPS32/64 coprocessor 1 (FPU) enables register.
1068  */
1069 #define MIPS_FENR_FS_S          2
1070 #define MIPS_FENR_FS            (_ULCAST_(1) << MIPS_FENR_FS_S)
1071 
1072 /*
1073  * FPU Status Register Values
1074  */
1075 #define FPU_CSR_COND_S  23                                      /* $fcc0 */
1076 #define FPU_CSR_COND    (_ULCAST_(1) << FPU_CSR_COND_S)
1077 
1078 #define FPU_CSR_FS_S    24              /* flush denormalised results to 0 */
1079 #define FPU_CSR_FS      (_ULCAST_(1) << FPU_CSR_FS_S)
1080 
1081 #define FPU_CSR_CONDX_S 25                                      /* $fcc[7:1] */
1082 #define FPU_CSR_CONDX   (_ULCAST_(127) << FPU_CSR_CONDX_S)
1083 #define FPU_CSR_COND1_S 25                                      /* $fcc1 */
1084 #define FPU_CSR_COND1   (_ULCAST_(1) << FPU_CSR_COND1_S)
1085 #define FPU_CSR_COND2_S 26                                      /* $fcc2 */
1086 #define FPU_CSR_COND2   (_ULCAST_(1) << FPU_CSR_COND2_S)
1087 #define FPU_CSR_COND3_S 27                                      /* $fcc3 */
1088 #define FPU_CSR_COND3   (_ULCAST_(1) << FPU_CSR_COND3_S)
1089 #define FPU_CSR_COND4_S 28                                      /* $fcc4 */
1090 #define FPU_CSR_COND4   (_ULCAST_(1) << FPU_CSR_COND4_S)
1091 #define FPU_CSR_COND5_S 29                                      /* $fcc5 */
1092 #define FPU_CSR_COND5   (_ULCAST_(1) << FPU_CSR_COND5_S)
1093 #define FPU_CSR_COND6_S 30                                      /* $fcc6 */
1094 #define FPU_CSR_COND6   (_ULCAST_(1) << FPU_CSR_COND6_S)
1095 #define FPU_CSR_COND7_S 31                                      /* $fcc7 */
1096 #define FPU_CSR_COND7   (_ULCAST_(1) << FPU_CSR_COND7_S)
1097 
1098 /*
1099  * Bits 22:20 of the FPU Status Register will be read as 0,
1100  * and should be written as zero.
1101  */
1102 #define FPU_CSR_RSVD    (_ULCAST_(7) << 20)
1103 
1104 #define FPU_CSR_ABS2008 (_ULCAST_(1) << 19)
1105 #define FPU_CSR_NAN2008 (_ULCAST_(1) << 18)
1106 
1107 /*
1108  * X the exception cause indicator
1109  * E the exception enable
1110  * S the sticky/flag bit
1111 */
1112 #define FPU_CSR_ALL_X   0x0003f000
1113 #define FPU_CSR_UNI_X   0x00020000
1114 #define FPU_CSR_INV_X   0x00010000
1115 #define FPU_CSR_DIV_X   0x00008000
1116 #define FPU_CSR_OVF_X   0x00004000
1117 #define FPU_CSR_UDF_X   0x00002000
1118 #define FPU_CSR_INE_X   0x00001000
1119 
1120 #define FPU_CSR_ALL_E   0x00000f80
1121 #define FPU_CSR_INV_E   0x00000800
1122 #define FPU_CSR_DIV_E   0x00000400
1123 #define FPU_CSR_OVF_E   0x00000200
1124 #define FPU_CSR_UDF_E   0x00000100
1125 #define FPU_CSR_INE_E   0x00000080
1126 
1127 #define FPU_CSR_ALL_S   0x0000007c
1128 #define FPU_CSR_INV_S   0x00000040
1129 #define FPU_CSR_DIV_S   0x00000020
1130 #define FPU_CSR_OVF_S   0x00000010
1131 #define FPU_CSR_UDF_S   0x00000008
1132 #define FPU_CSR_INE_S   0x00000004
1133 
1134 /* Bits 0 and 1 of FPU Status Register specify the rounding mode */
1135 #define FPU_CSR_RM      0x00000003
1136 #define FPU_CSR_RN      0x0     /* nearest */
1137 #define FPU_CSR_RZ      0x1     /* towards zero */
1138 #define FPU_CSR_RU      0x2     /* towards +Infinity */
1139 #define FPU_CSR_RD      0x3     /* towards -Infinity */
1140 
1141 
1142 #ifndef __ASSEMBLY__
1143 
1144 /*
1145  * Macros for handling the ISA mode bit for MIPS16 and microMIPS.
1146  */
1147 #if defined(CONFIG_SYS_SUPPORTS_MIPS16) || \
1148     defined(CONFIG_SYS_SUPPORTS_MICROMIPS)
1149 #define get_isa16_mode(x)               ((x) & 0x1)
1150 #define msk_isa16_mode(x)               ((x) & ~0x1)
1151 #define set_isa16_mode(x)               do { (x) |= 0x1; } while(0)
1152 #else
1153 #define get_isa16_mode(x)               0
1154 #define msk_isa16_mode(x)               (x)
1155 #define set_isa16_mode(x)               do { } while(0)
1156 #endif
1157 
1158 /*
1159  * microMIPS instructions can be 16-bit or 32-bit in length. This
1160  * returns a 1 if the instruction is 16-bit and a 0 if 32-bit.
1161  */
1162 static inline int mm_insn_16bit(u16 insn)
1163 {
1164         u16 opcode = (insn >> 10) & 0x7;
1165 
1166         return (opcode >= 1 && opcode <= 3) ? 1 : 0;
1167 }
1168 
1169 /*
1170  * Helper macros for generating raw instruction encodings in inline asm.
1171  */
1172 #ifdef CONFIG_CPU_MICROMIPS
1173 #define _ASM_INSN16_IF_MM(_enc)                 \
1174         ".insn\n\t"                             \
1175         ".hword (" #_enc ")\n\t"
1176 #define _ASM_INSN32_IF_MM(_enc)                 \
1177         ".insn\n\t"                             \
1178         ".hword ((" #_enc ") >> 16)\n\t"        \
1179         ".hword ((" #_enc ") & 0xffff)\n\t"
1180 #else
1181 #define _ASM_INSN_IF_MIPS(_enc)                 \
1182         ".insn\n\t"                             \
1183         ".word (" #_enc ")\n\t"
1184 #endif
1185 
1186 #ifndef _ASM_INSN16_IF_MM
1187 #define _ASM_INSN16_IF_MM(_enc)
1188 #endif
1189 #ifndef _ASM_INSN32_IF_MM
1190 #define _ASM_INSN32_IF_MM(_enc)
1191 #endif
1192 #ifndef _ASM_INSN_IF_MIPS
1193 #define _ASM_INSN_IF_MIPS(_enc)
1194 #endif
1195 
1196 /*
1197  * parse_r var, r - Helper assembler macro for parsing register names.
1198  *
1199  * This converts the register name in $n form provided in \r to the
1200  * corresponding register number, which is assigned to the variable \var. It is
1201  * needed to allow explicit encoding of instructions in inline assembly where
1202  * registers are chosen by the compiler in $n form, allowing us to avoid using
1203  * fixed register numbers.
1204  *
1205  * It also allows newer instructions (not implemented by the assembler) to be
1206  * transparently implemented using assembler macros, instead of needing separate
1207  * cases depending on toolchain support.
1208  *
1209  * Simple usage example:
1210  * __asm__ __volatile__("parse_r __rt, %0\n\t"
1211  *                      ".insn\n\t"
1212  *                      "# di    %0\n\t"
1213  *                      ".word   (0x41606000 | (__rt << 16))"
1214  *                      : "=r" (status);
1215  */
1216 
1217 /* Match an individual register number and assign to \var */
1218 #define _IFC_REG(n)                             \
1219         ".ifc   \\r, $" #n "\n\t"               \
1220         "\\var  = " #n "\n\t"                   \
1221         ".endif\n\t"
1222 
1223 __asm__(".macro parse_r var r\n\t"
1224         "\\var  = -1\n\t"
1225         _IFC_REG(0)  _IFC_REG(1)  _IFC_REG(2)  _IFC_REG(3)
1226         _IFC_REG(4)  _IFC_REG(5)  _IFC_REG(6)  _IFC_REG(7)
1227         _IFC_REG(8)  _IFC_REG(9)  _IFC_REG(10) _IFC_REG(11)
1228         _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15)
1229         _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19)
1230         _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23)
1231         _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27)
1232         _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31)
1233         ".iflt  \\var\n\t"
1234         ".error \"Unable to parse register name \\r\"\n\t"
1235         ".endif\n\t"
1236         ".endm");
1237 
1238 #undef _IFC_REG
1239 
1240 /*
1241  * C macros for generating assembler macros for common instruction formats.
1242  *
1243  * The names of the operands can be chosen by the caller, and the encoding of
1244  * register operand \<Rn> is assigned to __<Rn> where it can be accessed from
1245  * the ENC encodings.
1246  */
1247 
1248 /* Instructions with no operands */
1249 #define _ASM_MACRO_0(OP, ENC)                                           \
1250         __asm__(".macro " #OP "\n\t"                                    \
1251                 ENC                                                     \
1252                 ".endm")
1253 
1254 /* Instructions with 1 register operand & 1 immediate operand */
1255 #define _ASM_MACRO_1R1I(OP, R1, I2, ENC)                                \
1256         __asm__(".macro " #OP " " #R1 ", " #I2 "\n\t"                   \
1257                 "parse_r __" #R1 ", \\" #R1 "\n\t"                      \
1258                 ENC                                                     \
1259                 ".endm")
1260 
1261 /* Instructions with 2 register operands */
1262 #define _ASM_MACRO_2R(OP, R1, R2, ENC)                                  \
1263         __asm__(".macro " #OP " " #R1 ", " #R2 "\n\t"                   \
1264                 "parse_r __" #R1 ", \\" #R1 "\n\t"                      \
1265                 "parse_r __" #R2 ", \\" #R2 "\n\t"                      \
1266                 ENC                                                     \
1267                 ".endm")
1268 
1269 /* Instructions with 3 register operands */
1270 #define _ASM_MACRO_3R(OP, R1, R2, R3, ENC)                              \
1271         __asm__(".macro " #OP " " #R1 ", " #R2 ", " #R3 "\n\t"          \
1272                 "parse_r __" #R1 ", \\" #R1 "\n\t"                      \
1273                 "parse_r __" #R2 ", \\" #R2 "\n\t"                      \
1274                 "parse_r __" #R3 ", \\" #R3 "\n\t"                      \
1275                 ENC                                                     \
1276                 ".endm")
1277 
1278 /* Instructions with 2 register operands and 1 optional select operand */
1279 #define _ASM_MACRO_2R_1S(OP, R1, R2, SEL3, ENC)                         \
1280         __asm__(".macro " #OP " " #R1 ", " #R2 ", " #SEL3 " = 0\n\t"    \
1281                 "parse_r __" #R1 ", \\" #R1 "\n\t"                      \
1282                 "parse_r __" #R2 ", \\" #R2 "\n\t"                      \
1283                 ENC                                                     \
1284                 ".endm")
1285 
1286 /*
1287  * TLB Invalidate Flush
1288  */
1289 static inline void tlbinvf(void)
1290 {
1291         __asm__ __volatile__(
1292                 ".set push\n\t"
1293                 ".set noreorder\n\t"
1294                 "# tlbinvf\n\t"
1295                 _ASM_INSN_IF_MIPS(0x42000004)
1296                 _ASM_INSN32_IF_MM(0x0000537c)
1297                 ".set pop");
1298 }
1299 
1300 
1301 /*
1302  * Functions to access the R10000 performance counters.  These are basically
1303  * mfc0 and mtc0 instructions from and to coprocessor register with a 5-bit
1304  * performance counter number encoded into bits 1 ... 5 of the instruction.
1305  * Only performance counters 0 to 1 actually exist, so for a non-R10000 aware
1306  * disassembler these will look like an access to sel 0 or 1.
1307  */
1308 #define read_r10k_perf_cntr(counter)                            \
1309 ({                                                              \
1310         unsigned int __res;                                     \
1311         __asm__ __volatile__(                                   \
1312         "mfpc\t%0, %1"                                          \
1313         : "=r" (__res)                                          \
1314         : "i" (counter));                                       \
1315                                                                 \
1316         __res;                                                  \
1317 })
1318 
1319 #define write_r10k_perf_cntr(counter,val)                       \
1320 do {                                                            \
1321         __asm__ __volatile__(                                   \
1322         "mtpc\t%0, %1"                                          \
1323         :                                                       \
1324         : "r" (val), "i" (counter));                            \
1325 } while (0)
1326 
1327 #define read_r10k_perf_event(counter)                           \
1328 ({                                                              \
1329         unsigned int __res;                                     \
1330         __asm__ __volatile__(                                   \
1331         "mfps\t%0, %1"                                          \
1332         : "=r" (__res)                                          \
1333         : "i" (counter));                                       \
1334                                                                 \
1335         __res;                                                  \
1336 })
1337 
1338 #define write_r10k_perf_cntl(counter,val)                       \
1339 do {                                                            \
1340         __asm__ __volatile__(                                   \
1341         "mtps\t%0, %1"                                          \
1342         :                                                       \
1343         : "r" (val), "i" (counter));                            \
1344 } while (0)
1345 
1346 
1347 /*
1348  * Macros to access the system control coprocessor
1349  */
1350 
1351 #define ___read_32bit_c0_register(source, sel, vol)                     \
1352 ({ unsigned int __res;                                                  \
1353         if (sel == 0)                                                   \
1354                 __asm__ vol(                                            \
1355                         "mfc0\t%0, " #source "\n\t"                     \
1356                         : "=r" (__res));                                \
1357         else                                                            \
1358                 __asm__ vol(                                            \
1359                         ".set\tpush\n\t"                                \
1360                         ".set\tmips32\n\t"                              \
1361                         "mfc0\t%0, " #source ", " #sel "\n\t"           \
1362                         ".set\tpop\n\t"                                 \
1363                         : "=r" (__res));                                \
1364         __res;                                                          \
1365 })
1366 
1367 #define ___read_64bit_c0_register(source, sel, vol)                     \
1368 ({ unsigned long long __res;                                            \
1369         if (sizeof(unsigned long) == 4)                                 \
1370                 __res = __read_64bit_c0_split(source, sel, vol);        \
1371         else if (sel == 0)                                              \
1372                 __asm__ vol(                                            \
1373                         ".set\tpush\n\t"                                \
1374                         ".set\tmips3\n\t"                               \
1375                         "dmfc0\t%0, " #source "\n\t"                    \
1376                         ".set\tpop"                                     \
1377                         : "=r" (__res));                                \
1378         else                                                            \
1379                 __asm__ vol(                                            \
1380                         ".set\tpush\n\t"                                \
1381                         ".set\tmips64\n\t"                              \
1382                         "dmfc0\t%0, " #source ", " #sel "\n\t"          \
1383                         ".set\tpop"                                     \
1384                         : "=r" (__res));                                \
1385         __res;                                                          \
1386 })
1387 
1388 #define __read_32bit_c0_register(source, sel)                           \
1389         ___read_32bit_c0_register(source, sel, __volatile__)
1390 
1391 #define __read_const_32bit_c0_register(source, sel)                     \
1392         ___read_32bit_c0_register(source, sel,)
1393 
1394 #define __read_64bit_c0_register(source, sel)                           \
1395         ___read_64bit_c0_register(source, sel, __volatile__)
1396 
1397 #define __read_const_64bit_c0_register(source, sel)                     \
1398         ___read_64bit_c0_register(source, sel,)
1399 
1400 #define __write_32bit_c0_register(register, sel, value)                 \
1401 do {                                                                    \
1402         if (sel == 0)                                                   \
1403                 __asm__ __volatile__(                                   \
1404                         "mtc0\t%z0, " #register "\n\t"                  \
1405                         : : "Jr" ((unsigned int)(value)));              \
1406         else                                                            \
1407                 __asm__ __volatile__(                                   \
1408                         ".set\tpush\n\t"                                \
1409                         ".set\tmips32\n\t"                              \
1410                         "mtc0\t%z0, " #register ", " #sel "\n\t"        \
1411                         ".set\tpop"                                     \
1412                         : : "Jr" ((unsigned int)(value)));              \
1413 } while (0)
1414 
1415 #define __write_64bit_c0_register(register, sel, value)                 \
1416 do {                                                                    \
1417         if (sizeof(unsigned long) == 4)                                 \
1418                 __write_64bit_c0_split(register, sel, value);           \
1419         else if (sel == 0)                                              \
1420                 __asm__ __volatile__(                                   \
1421                         ".set\tpush\n\t"                                \
1422                         ".set\tmips3\n\t"                               \
1423                         "dmtc0\t%z0, " #register "\n\t"                 \
1424                         ".set\tpop"                                     \
1425                         : : "Jr" (value));                              \
1426         else                                                            \
1427                 __asm__ __volatile__(                                   \
1428                         ".set\tpush\n\t"                                \
1429                         ".set\tmips64\n\t"                              \
1430                         "dmtc0\t%z0, " #register ", " #sel "\n\t"       \
1431                         ".set\tpop"                                     \
1432                         : : "Jr" (value));                              \
1433 } while (0)
1434 
1435 #define __read_ulong_c0_register(reg, sel)                              \
1436         ((sizeof(unsigned long) == 4) ?                                 \
1437         (unsigned long) __read_32bit_c0_register(reg, sel) :            \
1438         (unsigned long) __read_64bit_c0_register(reg, sel))
1439 
1440 #define __read_const_ulong_c0_register(reg, sel)                        \
1441         ((sizeof(unsigned long) == 4) ?                                 \
1442         (unsigned long) __read_const_32bit_c0_register(reg, sel) :      \
1443         (unsigned long) __read_const_64bit_c0_register(reg, sel))
1444 
1445 #define __write_ulong_c0_register(reg, sel, val)                        \
1446 do {                                                                    \
1447         if (sizeof(unsigned long) == 4)                                 \
1448                 __write_32bit_c0_register(reg, sel, val);               \
1449         else                                                            \
1450                 __write_64bit_c0_register(reg, sel, val);               \
1451 } while (0)
1452 
1453 /*
1454  * On RM7000/RM9000 these are uses to access cop0 set 1 registers
1455  */
1456 #define __read_32bit_c0_ctrl_register(source)                           \
1457 ({ unsigned int __res;                                                  \
1458         __asm__ __volatile__(                                           \
1459                 "cfc0\t%0, " #source "\n\t"                             \
1460                 : "=r" (__res));                                        \
1461         __res;                                                          \
1462 })
1463 
1464 #define __write_32bit_c0_ctrl_register(register, value)                 \
1465 do {                                                                    \
1466         __asm__ __volatile__(                                           \
1467                 "ctc0\t%z0, " #register "\n\t"                          \
1468                 : : "Jr" ((unsigned int)(value)));                      \
1469 } while (0)
1470 
1471 /*
1472  * These versions are only needed for systems with more than 38 bits of
1473  * physical address space running the 32-bit kernel.  That's none atm :-)
1474  */
1475 #define __read_64bit_c0_split(source, sel, vol)                         \
1476 ({                                                                      \
1477         unsigned long long __val;                                       \
1478         unsigned long __flags;                                          \
1479                                                                         \
1480         local_irq_save(__flags);                                        \
1481         if (sel == 0)                                                   \
1482                 __asm__ vol(                                            \
1483                         ".set\tpush\n\t"                                \
1484                         ".set\tmips64\n\t"                              \
1485                         "dmfc0\t%L0, " #source "\n\t"                   \
1486                         "dsra\t%M0, %L0, 32\n\t"                        \
1487                         "sll\t%L0, %L0, 0\n\t"                          \
1488                         ".set\tpop"                                     \
1489                         : "=r" (__val));                                \
1490         else                                                            \
1491                 __asm__ vol(                                            \
1492                         ".set\tpush\n\t"                                \
1493                         ".set\tmips64\n\t"                              \
1494                         "dmfc0\t%L0, " #source ", " #sel "\n\t"         \
1495                         "dsra\t%M0, %L0, 32\n\t"                        \
1496                         "sll\t%L0, %L0, 0\n\t"                          \
1497                         ".set\tpop"                                     \
1498                         : "=r" (__val));                                \
1499         local_irq_restore(__flags);                                     \
1500                                                                         \
1501         __val;                                                          \
1502 })
1503 
1504 #define __write_64bit_c0_split(source, sel, val)                        \
1505 do {                                                                    \
1506         unsigned long long __tmp = (val);                               \
1507         unsigned long __flags;                                          \
1508                                                                         \
1509         local_irq_save(__flags);                                        \
1510         if (MIPS_ISA_REV >= 2)                                          \
1511                 __asm__ __volatile__(                                   \
1512                         ".set\tpush\n\t"                                \
1513                         ".set\t" MIPS_ISA_LEVEL "\n\t"                  \
1514                         "dins\t%L0, %M0, 32, 32\n\t"                    \
1515                         "dmtc0\t%L0, " #source ", " #sel "\n\t"         \
1516                         ".set\tpop"                                     \
1517                         : "+r" (__tmp));                                \
1518         else if (sel == 0)                                              \
1519                 __asm__ __volatile__(                                   \
1520                         ".set\tpush\n\t"                                \
1521                         ".set\tmips64\n\t"                              \
1522                         "dsll\t%L0, %L0, 32\n\t"                        \
1523                         "dsrl\t%L0, %L0, 32\n\t"                        \
1524                         "dsll\t%M0, %M0, 32\n\t"                        \
1525                         "or\t%L0, %L0, %M0\n\t"                         \
1526                         "dmtc0\t%L0, " #source "\n\t"                   \
1527                         ".set\tpop"                                     \
1528                         : "+r" (__tmp));                                \
1529         else                                                            \
1530                 __asm__ __volatile__(                                   \
1531                         ".set\tpush\n\t"                                \
1532                         ".set\tmips64\n\t"                              \
1533                         "dsll\t%L0, %L0, 32\n\t"                        \
1534                         "dsrl\t%L0, %L0, 32\n\t"                        \
1535                         "dsll\t%M0, %M0, 32\n\t"                        \
1536                         "or\t%L0, %L0, %M0\n\t"                         \
1537                         "dmtc0\t%L0, " #source ", " #sel "\n\t"         \
1538                         ".set\tpop"                                     \
1539                         : "+r" (__tmp));                                \
1540         local_irq_restore(__flags);                                     \
1541 } while (0)
1542 
1543 #ifndef TOOLCHAIN_SUPPORTS_XPA
1544 _ASM_MACRO_2R_1S(mfhc0, rt, rs, sel,
1545         _ASM_INSN_IF_MIPS(0x40400000 | __rt << 16 | __rs << 11 | \\sel)
1546         _ASM_INSN32_IF_MM(0x000000f4 | __rt << 21 | __rs << 16 | \\sel << 11));
1547 _ASM_MACRO_2R_1S(mthc0, rt, rd, sel,
1548         _ASM_INSN_IF_MIPS(0x40c00000 | __rt << 16 | __rd << 11 | \\sel)
1549         _ASM_INSN32_IF_MM(0x000002f4 | __rt << 21 | __rd << 16 | \\sel << 11));
1550 #define _ASM_SET_XPA ""
1551 #else   /* !TOOLCHAIN_SUPPORTS_XPA */
1552 #define _ASM_SET_XPA ".set\txpa\n\t"
1553 #endif
1554 
1555 #define __readx_32bit_c0_register(source, sel)                          \
1556 ({                                                                      \
1557         unsigned int __res;                                             \
1558                                                                         \
1559         __asm__ __volatile__(                                           \
1560         "       .set    push                                    \n"     \
1561         "       .set    mips32r2                                \n"     \
1562         _ASM_SET_XPA                                                    \
1563         "       mfhc0   %0, " #source ", %1                     \n"     \
1564         "       .set    pop                                     \n"     \
1565         : "=r" (__res)                                                  \
1566         : "i" (sel));                                                   \
1567         __res;                                                          \
1568 })
1569 
1570 #define __writex_32bit_c0_register(register, sel, value)                \
1571 do {                                                                    \
1572         __asm__ __volatile__(                                           \
1573         "       .set    push                                    \n"     \
1574         "       .set    mips32r2                                \n"     \
1575         _ASM_SET_XPA                                                    \
1576         "       mthc0   %z0, " #register ", %1                  \n"     \
1577         "       .set    pop                                     \n"     \
1578         :                                                               \
1579         : "Jr" (value), "i" (sel));                                     \
1580 } while (0)
1581 
1582 #define read_c0_index()         __read_32bit_c0_register($0, 0)
1583 #define write_c0_index(val)     __write_32bit_c0_register($0, 0, val)
1584 
1585 #define read_c0_random()        __read_32bit_c0_register($1, 0)
1586 #define write_c0_random(val)    __write_32bit_c0_register($1, 0, val)
1587 
1588 #define read_c0_entrylo0()      __read_ulong_c0_register($2, 0)
1589 #define write_c0_entrylo0(val)  __write_ulong_c0_register($2, 0, val)
1590 
1591 #define readx_c0_entrylo0()     __readx_32bit_c0_register($2, 0)
1592 #define writex_c0_entrylo0(val) __writex_32bit_c0_register($2, 0, val)
1593 
1594 #define read_c0_entrylo1()      __read_ulong_c0_register($3, 0)
1595 #define write_c0_entrylo1(val)  __write_ulong_c0_register($3, 0, val)
1596 
1597 #define readx_c0_entrylo1()     __readx_32bit_c0_register($3, 0)
1598 #define writex_c0_entrylo1(val) __writex_32bit_c0_register($3, 0, val)
1599 
1600 #define read_c0_conf()          __read_32bit_c0_register($3, 0)
1601 #define write_c0_conf(val)      __write_32bit_c0_register($3, 0, val)
1602 
1603 #define read_c0_globalnumber()  __read_32bit_c0_register($3, 1)
1604 
1605 #define read_c0_context()       __read_ulong_c0_register($4, 0)
1606 #define write_c0_context(val)   __write_ulong_c0_register($4, 0, val)
1607 
1608 #define read_c0_contextconfig()         __read_32bit_c0_register($4, 1)
1609 #define write_c0_contextconfig(val)     __write_32bit_c0_register($4, 1, val)
1610 
1611 #define read_c0_userlocal()     __read_ulong_c0_register($4, 2)
1612 #define write_c0_userlocal(val) __write_ulong_c0_register($4, 2, val)
1613 
1614 #define read_c0_xcontextconfig()        __read_ulong_c0_register($4, 3)
1615 #define write_c0_xcontextconfig(val)    __write_ulong_c0_register($4, 3, val)
1616 
1617 #define read_c0_memorymapid()           __read_32bit_c0_register($4, 5)
1618 #define write_c0_memorymapid(val)       __write_32bit_c0_register($4, 5, val)
1619 
1620 #define read_c0_pagemask()      __read_32bit_c0_register($5, 0)
1621 #define write_c0_pagemask(val)  __write_32bit_c0_register($5, 0, val)
1622 
1623 #define read_c0_pagegrain()     __read_32bit_c0_register($5, 1)
1624 #define write_c0_pagegrain(val) __write_32bit_c0_register($5, 1, val)
1625 
1626 #define read_c0_wired()         __read_32bit_c0_register($6, 0)
1627 #define write_c0_wired(val)     __write_32bit_c0_register($6, 0, val)
1628 
1629 #define read_c0_info()          __read_32bit_c0_register($7, 0)
1630 
1631 #define read_c0_cache()         __read_32bit_c0_register($7, 0) /* TX39xx */
1632 #define write_c0_cache(val)     __write_32bit_c0_register($7, 0, val)
1633 
1634 #define read_c0_badvaddr()      __read_ulong_c0_register($8, 0)
1635 #define write_c0_badvaddr(val)  __write_ulong_c0_register($8, 0, val)
1636 
1637 #define read_c0_badinstr()      __read_32bit_c0_register($8, 1)
1638 #define read_c0_badinstrp()     __read_32bit_c0_register($8, 2)
1639 
1640 #define read_c0_count()         __read_32bit_c0_register($9, 0)
1641 #define write_c0_count(val)     __write_32bit_c0_register($9, 0, val)
1642 
1643 #define read_c0_count2()        __read_32bit_c0_register($9, 6) /* pnx8550 */
1644 #define write_c0_count2(val)    __write_32bit_c0_register($9, 6, val)
1645 
1646 #define read_c0_count3()        __read_32bit_c0_register($9, 7) /* pnx8550 */
1647 #define write_c0_count3(val)    __write_32bit_c0_register($9, 7, val)
1648 
1649 #define read_c0_entryhi()       __read_ulong_c0_register($10, 0)
1650 #define write_c0_entryhi(val)   __write_ulong_c0_register($10, 0, val)
1651 
1652 #define read_c0_guestctl1()     __read_32bit_c0_register($10, 4)
1653 #define write_c0_guestctl1(val) __write_32bit_c0_register($10, 4, val)
1654 
1655 #define read_c0_guestctl2()     __read_32bit_c0_register($10, 5)
1656 #define write_c0_guestctl2(val) __write_32bit_c0_register($10, 5, val)
1657 
1658 #define read_c0_guestctl3()     __read_32bit_c0_register($10, 6)
1659 #define write_c0_guestctl3(val) __write_32bit_c0_register($10, 6, val)
1660 
1661 #define read_c0_compare()       __read_32bit_c0_register($11, 0)
1662 #define write_c0_compare(val)   __write_32bit_c0_register($11, 0, val)
1663 
1664 #define read_c0_guestctl0ext()  __read_32bit_c0_register($11, 4)
1665 #define write_c0_guestctl0ext(val) __write_32bit_c0_register($11, 4, val)
1666 
1667 #define read_c0_compare2()      __read_32bit_c0_register($11, 6) /* pnx8550 */
1668 #define write_c0_compare2(val)  __write_32bit_c0_register($11, 6, val)
1669 
1670 #define read_c0_compare3()      __read_32bit_c0_register($11, 7) /* pnx8550 */
1671 #define write_c0_compare3(val)  __write_32bit_c0_register($11, 7, val)
1672 
1673 #define read_c0_status()        __read_32bit_c0_register($12, 0)
1674 
1675 #define write_c0_status(val)    __write_32bit_c0_register($12, 0, val)
1676 
1677 #define read_c0_guestctl0()     __read_32bit_c0_register($12, 6)
1678 #define write_c0_guestctl0(val) __write_32bit_c0_register($12, 6, val)
1679 
1680 #define read_c0_gtoffset()      __read_32bit_c0_register($12, 7)
1681 #define write_c0_gtoffset(val)  __write_32bit_c0_register($12, 7, val)
1682 
1683 #define read_c0_cause()         __read_32bit_c0_register($13, 0)
1684 #define write_c0_cause(val)     __write_32bit_c0_register($13, 0, val)
1685 
1686 #define read_c0_epc()           __read_ulong_c0_register($14, 0)
1687 #define write_c0_epc(val)       __write_ulong_c0_register($14, 0, val)
1688 
1689 #define read_c0_prid()          __read_const_32bit_c0_register($15, 0)
1690 
1691 #define read_c0_cmgcrbase()     __read_ulong_c0_register($15, 3)
1692 
1693 #define read_c0_config()        __read_32bit_c0_register($16, 0)
1694 #define read_c0_config1()       __read_32bit_c0_register($16, 1)
1695 #define read_c0_config2()       __read_32bit_c0_register($16, 2)
1696 #define read_c0_config3()       __read_32bit_c0_register($16, 3)
1697 #define read_c0_config4()       __read_32bit_c0_register($16, 4)
1698 #define read_c0_config5()       __read_32bit_c0_register($16, 5)
1699 #define read_c0_config6()       __read_32bit_c0_register($16, 6)
1700 #define read_c0_config7()       __read_32bit_c0_register($16, 7)
1701 #define write_c0_config(val)    __write_32bit_c0_register($16, 0, val)
1702 #define write_c0_config1(val)   __write_32bit_c0_register($16, 1, val)
1703 #define write_c0_config2(val)   __write_32bit_c0_register($16, 2, val)
1704 #define write_c0_config3(val)   __write_32bit_c0_register($16, 3, val)
1705 #define write_c0_config4(val)   __write_32bit_c0_register($16, 4, val)
1706 #define write_c0_config5(val)   __write_32bit_c0_register($16, 5, val)
1707 #define write_c0_config6(val)   __write_32bit_c0_register($16, 6, val)
1708 #define write_c0_config7(val)   __write_32bit_c0_register($16, 7, val)
1709 
1710 #define read_c0_lladdr()        __read_ulong_c0_register($17, 0)
1711 #define write_c0_lladdr(val)    __write_ulong_c0_register($17, 0, val)
1712 #define read_c0_maar()          __read_ulong_c0_register($17, 1)
1713 #define write_c0_maar(val)      __write_ulong_c0_register($17, 1, val)
1714 #define read_c0_maari()         __read_32bit_c0_register($17, 2)
1715 #define write_c0_maari(val)     __write_32bit_c0_register($17, 2, val)
1716 
1717 /*
1718  * The WatchLo register.  There may be up to 8 of them.
1719  */
1720 #define read_c0_watchlo0()      __read_ulong_c0_register($18, 0)
1721 #define read_c0_watchlo1()      __read_ulong_c0_register($18, 1)
1722 #define read_c0_watchlo2()      __read_ulong_c0_register($18, 2)
1723 #define read_c0_watchlo3()      __read_ulong_c0_register($18, 3)
1724 #define read_c0_watchlo4()      __read_ulong_c0_register($18, 4)
1725 #define read_c0_watchlo5()      __read_ulong_c0_register($18, 5)
1726 #define read_c0_watchlo6()      __read_ulong_c0_register($18, 6)
1727 #define read_c0_watchlo7()      __read_ulong_c0_register($18, 7)
1728 #define write_c0_watchlo0(val)  __write_ulong_c0_register($18, 0, val)
1729 #define write_c0_watchlo1(val)  __write_ulong_c0_register($18, 1, val)
1730 #define write_c0_watchlo2(val)  __write_ulong_c0_register($18, 2, val)
1731 #define write_c0_watchlo3(val)  __write_ulong_c0_register($18, 3, val)
1732 #define write_c0_watchlo4(val)  __write_ulong_c0_register($18, 4, val)
1733 #define write_c0_watchlo5(val)  __write_ulong_c0_register($18, 5, val)
1734 #define write_c0_watchlo6(val)  __write_ulong_c0_register($18, 6, val)
1735 #define write_c0_watchlo7(val)  __write_ulong_c0_register($18, 7, val)
1736 
1737 /*
1738  * The WatchHi register.  There may be up to 8 of them.
1739  */
1740 #define read_c0_watchhi0()      __read_32bit_c0_register($19, 0)
1741 #define read_c0_watchhi1()      __read_32bit_c0_register($19, 1)
1742 #define read_c0_watchhi2()      __read_32bit_c0_register($19, 2)
1743 #define read_c0_watchhi3()      __read_32bit_c0_register($19, 3)
1744 #define read_c0_watchhi4()      __read_32bit_c0_register($19, 4)
1745 #define read_c0_watchhi5()      __read_32bit_c0_register($19, 5)
1746 #define read_c0_watchhi6()      __read_32bit_c0_register($19, 6)
1747 #define read_c0_watchhi7()      __read_32bit_c0_register($19, 7)
1748 
1749 #define write_c0_watchhi0(val)  __write_32bit_c0_register($19, 0, val)
1750 #define write_c0_watchhi1(val)  __write_32bit_c0_register($19, 1, val)
1751 #define write_c0_watchhi2(val)  __write_32bit_c0_register($19, 2, val)
1752 #define write_c0_watchhi3(val)  __write_32bit_c0_register($19, 3, val)
1753 #define write_c0_watchhi4(val)  __write_32bit_c0_register($19, 4, val)
1754 #define write_c0_watchhi5(val)  __write_32bit_c0_register($19, 5, val)
1755 #define write_c0_watchhi6(val)  __write_32bit_c0_register($19, 6, val)
1756 #define write_c0_watchhi7(val)  __write_32bit_c0_register($19, 7, val)
1757 
1758 #define read_c0_xcontext()      __read_ulong_c0_register($20, 0)
1759 #define write_c0_xcontext(val)  __write_ulong_c0_register($20, 0, val)
1760 
1761 #define read_c0_intcontrol()    __read_32bit_c0_ctrl_register($20)
1762 #define write_c0_intcontrol(val) __write_32bit_c0_ctrl_register($20, val)
1763 
1764 #define read_c0_framemask()     __read_32bit_c0_register($21, 0)
1765 #define write_c0_framemask(val) __write_32bit_c0_register($21, 0, val)
1766 
1767 #define read_c0_diag()          __read_32bit_c0_register($22, 0)
1768 #define write_c0_diag(val)      __write_32bit_c0_register($22, 0, val)
1769 
1770 /* R10K CP0 Branch Diagnostic register is 64bits wide */
1771 #define read_c0_r10k_diag()     __read_64bit_c0_register($22, 0)
1772 #define write_c0_r10k_diag(val) __write_64bit_c0_register($22, 0, val)
1773 
1774 #define read_c0_diag1()         __read_32bit_c0_register($22, 1)
1775 #define write_c0_diag1(val)     __write_32bit_c0_register($22, 1, val)
1776 
1777 #define read_c0_diag2()         __read_32bit_c0_register($22, 2)
1778 #define write_c0_diag2(val)     __write_32bit_c0_register($22, 2, val)
1779 
1780 #define read_c0_diag3()         __read_32bit_c0_register($22, 3)
1781 #define write_c0_diag3(val)     __write_32bit_c0_register($22, 3, val)
1782 
1783 #define read_c0_diag4()         __read_32bit_c0_register($22, 4)
1784 #define write_c0_diag4(val)     __write_32bit_c0_register($22, 4, val)
1785 
1786 #define read_c0_diag5()         __read_32bit_c0_register($22, 5)
1787 #define write_c0_diag5(val)     __write_32bit_c0_register($22, 5, val)
1788 
1789 #define read_c0_debug()         __read_32bit_c0_register($23, 0)
1790 #define write_c0_debug(val)     __write_32bit_c0_register($23, 0, val)
1791 
1792 #define read_c0_depc()          __read_ulong_c0_register($24, 0)
1793 #define write_c0_depc(val)      __write_ulong_c0_register($24, 0, val)
1794 
1795 /*
1796  * MIPS32 / MIPS64 performance counters
1797  */
1798 #define read_c0_perfctrl0()     __read_32bit_c0_register($25, 0)
1799 #define write_c0_perfctrl0(val) __write_32bit_c0_register($25, 0, val)
1800 #define read_c0_perfcntr0()     __read_32bit_c0_register($25, 1)
1801 #define write_c0_perfcntr0(val) __write_32bit_c0_register($25, 1, val)
1802 #define read_c0_perfcntr0_64()  __read_64bit_c0_register($25, 1)
1803 #define write_c0_perfcntr0_64(val) __write_64bit_c0_register($25, 1, val)
1804 #define read_c0_perfctrl1()     __read_32bit_c0_register($25, 2)
1805 #define write_c0_perfctrl1(val) __write_32bit_c0_register($25, 2, val)
1806 #define read_c0_perfcntr1()     __read_32bit_c0_register($25, 3)
1807 #define write_c0_perfcntr1(val) __write_32bit_c0_register($25, 3, val)
1808 #define read_c0_perfcntr1_64()  __read_64bit_c0_register($25, 3)
1809 #define write_c0_perfcntr1_64(val) __write_64bit_c0_register($25, 3, val)
1810 #define read_c0_perfctrl2()     __read_32bit_c0_register($25, 4)
1811 #define write_c0_perfctrl2(val) __write_32bit_c0_register($25, 4, val)
1812 #define read_c0_perfcntr2()     __read_32bit_c0_register($25, 5)
1813 #define write_c0_perfcntr2(val) __write_32bit_c0_register($25, 5, val)
1814 #define read_c0_perfcntr2_64()  __read_64bit_c0_register($25, 5)
1815 #define write_c0_perfcntr2_64(val) __write_64bit_c0_register($25, 5, val)
1816 #define read_c0_perfctrl3()     __read_32bit_c0_register($25, 6)
1817 #define write_c0_perfctrl3(val) __write_32bit_c0_register($25, 6, val)
1818 #define read_c0_perfcntr3()     __read_32bit_c0_register($25, 7)
1819 #define write_c0_perfcntr3(val) __write_32bit_c0_register($25, 7, val)
1820 #define read_c0_perfcntr3_64()  __read_64bit_c0_register($25, 7)
1821 #define write_c0_perfcntr3_64(val) __write_64bit_c0_register($25, 7, val)
1822 
1823 #define read_c0_ecc()           __read_32bit_c0_register($26, 0)
1824 #define write_c0_ecc(val)       __write_32bit_c0_register($26, 0, val)
1825 
1826 #define read_c0_derraddr0()     __read_ulong_c0_register($26, 1)
1827 #define write_c0_derraddr0(val) __write_ulong_c0_register($26, 1, val)
1828 
1829 #define read_c0_cacheerr()      __read_32bit_c0_register($27, 0)
1830 
1831 #define read_c0_derraddr1()     __read_ulong_c0_register($27, 1)
1832 #define write_c0_derraddr1(val) __write_ulong_c0_register($27, 1, val)
1833 
1834 #define read_c0_taglo()         __read_32bit_c0_register($28, 0)
1835 #define write_c0_taglo(val)     __write_32bit_c0_register($28, 0, val)
1836 
1837 #define read_c0_dtaglo()        __read_32bit_c0_register($28, 2)
1838 #define write_c0_dtaglo(val)    __write_32bit_c0_register($28, 2, val)
1839 
1840 #define read_c0_ddatalo()       __read_32bit_c0_register($28, 3)
1841 #define write_c0_ddatalo(val)   __write_32bit_c0_register($28, 3, val)
1842 
1843 #define read_c0_staglo()        __read_32bit_c0_register($28, 4)
1844 #define write_c0_staglo(val)    __write_32bit_c0_register($28, 4, val)
1845 
1846 #define read_c0_taghi()         __read_32bit_c0_register($29, 0)
1847 #define write_c0_taghi(val)     __write_32bit_c0_register($29, 0, val)
1848 
1849 #define read_c0_errorepc()      __read_ulong_c0_register($30, 0)
1850 #define write_c0_errorepc(val)  __write_ulong_c0_register($30, 0, val)
1851 
1852 /* MIPSR2 */
1853 #define read_c0_hwrena()        __read_32bit_c0_register($7, 0)
1854 #define write_c0_hwrena(val)    __write_32bit_c0_register($7, 0, val)
1855 
1856 #define read_c0_intctl()        __read_32bit_c0_register($12, 1)
1857 #define write_c0_intctl(val)    __write_32bit_c0_register($12, 1, val)
1858 
1859 #define read_c0_srsctl()        __read_32bit_c0_register($12, 2)
1860 #define write_c0_srsctl(val)    __write_32bit_c0_register($12, 2, val)
1861 
1862 #define read_c0_srsmap()        __read_32bit_c0_register($12, 3)
1863 #define write_c0_srsmap(val)    __write_32bit_c0_register($12, 3, val)
1864 
1865 #define read_c0_ebase()         __read_32bit_c0_register($15, 1)
1866 #define write_c0_ebase(val)     __write_32bit_c0_register($15, 1, val)
1867 
1868 #define read_c0_ebase_64()      __read_64bit_c0_register($15, 1)
1869 #define write_c0_ebase_64(val)  __write_64bit_c0_register($15, 1, val)
1870 
1871 #define read_c0_cdmmbase()      __read_ulong_c0_register($15, 2)
1872 #define write_c0_cdmmbase(val)  __write_ulong_c0_register($15, 2, val)
1873 
1874 /* MIPSR3 */
1875 #define read_c0_segctl0()       __read_32bit_c0_register($5, 2)
1876 #define write_c0_segctl0(val)   __write_32bit_c0_register($5, 2, val)
1877 
1878 #define read_c0_segctl1()       __read_32bit_c0_register($5, 3)
1879 #define write_c0_segctl1(val)   __write_32bit_c0_register($5, 3, val)
1880 
1881 #define read_c0_segctl2()       __read_32bit_c0_register($5, 4)
1882 #define write_c0_segctl2(val)   __write_32bit_c0_register($5, 4, val)
1883 
1884 /* Hardware Page Table Walker */
1885 #define read_c0_pwbase()        __read_ulong_c0_register($5, 5)
1886 #define write_c0_pwbase(val)    __write_ulong_c0_register($5, 5, val)
1887 
1888 #define read_c0_pwfield()       __read_ulong_c0_register($5, 6)
1889 #define write_c0_pwfield(val)   __write_ulong_c0_register($5, 6, val)
1890 
1891 #define read_c0_pwsize()        __read_ulong_c0_register($5, 7)
1892 #define write_c0_pwsize(val)    __write_ulong_c0_register($5, 7, val)
1893 
1894 #define read_c0_pwctl()         __read_32bit_c0_register($6, 6)
1895 #define write_c0_pwctl(val)     __write_32bit_c0_register($6, 6, val)
1896 
1897 #define read_c0_pgd()           __read_64bit_c0_register($9, 7)
1898 #define write_c0_pgd(val)       __write_64bit_c0_register($9, 7, val)
1899 
1900 #define read_c0_kpgd()          __read_64bit_c0_register($31, 7)
1901 #define write_c0_kpgd(val)      __write_64bit_c0_register($31, 7, val)
1902 
1903 /* Cavium OCTEON (cnMIPS) */
1904 #define read_c0_cvmcount()      __read_ulong_c0_register($9, 6)
1905 #define write_c0_cvmcount(val)  __write_ulong_c0_register($9, 6, val)
1906 
1907 #define read_c0_cvmctl()        __read_64bit_c0_register($9, 7)
1908 #define write_c0_cvmctl(val)    __write_64bit_c0_register($9, 7, val)
1909 
1910 #define read_c0_cvmmemctl()     __read_64bit_c0_register($11, 7)
1911 #define write_c0_cvmmemctl(val) __write_64bit_c0_register($11, 7, val)
1912 
1913 #define read_c0_cvmmemctl2()    __read_64bit_c0_register($16, 6)
1914 #define write_c0_cvmmemctl2(val) __write_64bit_c0_register($16, 6, val)
1915 
1916 #define read_c0_cvmvmconfig()   __read_64bit_c0_register($16, 7)
1917 #define write_c0_cvmvmconfig(val) __write_64bit_c0_register($16, 7, val)
1918 
1919 /*
1920  * The cacheerr registers are not standardized.  On OCTEON, they are
1921  * 64 bits wide.
1922  */
1923 #define read_octeon_c0_icacheerr()      __read_64bit_c0_register($27, 0)
1924 #define write_octeon_c0_icacheerr(val)  __write_64bit_c0_register($27, 0, val)
1925 
1926 #define read_octeon_c0_dcacheerr()      __read_64bit_c0_register($27, 1)
1927 #define write_octeon_c0_dcacheerr(val)  __write_64bit_c0_register($27, 1, val)
1928 
1929 /* BMIPS3300 */
1930 #define read_c0_brcm_config_0()         __read_32bit_c0_register($22, 0)
1931 #define write_c0_brcm_config_0(val)     __write_32bit_c0_register($22, 0, val)
1932 
1933 #define read_c0_brcm_bus_pll()          __read_32bit_c0_register($22, 4)
1934 #define write_c0_brcm_bus_pll(val)      __write_32bit_c0_register($22, 4, val)
1935 
1936 #define read_c0_brcm_reset()            __read_32bit_c0_register($22, 5)
1937 #define write_c0_brcm_reset(val)        __write_32bit_c0_register($22, 5, val)
1938 
1939 /* BMIPS43xx */
1940 #define read_c0_brcm_cmt_intr()         __read_32bit_c0_register($22, 1)
1941 #define write_c0_brcm_cmt_intr(val)     __write_32bit_c0_register($22, 1, val)
1942 
1943 #define read_c0_brcm_cmt_ctrl()         __read_32bit_c0_register($22, 2)
1944 #define write_c0_brcm_cmt_ctrl(val)     __write_32bit_c0_register($22, 2, val)
1945 
1946 #define read_c0_brcm_cmt_local()        __read_32bit_c0_register($22, 3)
1947 #define write_c0_brcm_cmt_local(val)    __write_32bit_c0_register($22, 3, val)
1948 
1949 #define read_c0_brcm_config_1()         __read_32bit_c0_register($22, 5)
1950 #define write_c0_brcm_config_1(val)     __write_32bit_c0_register($22, 5, val)
1951 
1952 #define read_c0_brcm_cbr()              __read_32bit_c0_register($22, 6)
1953 #define write_c0_brcm_cbr(val)          __write_32bit_c0_register($22, 6, val)
1954 
1955 /* BMIPS5000 */
1956 #define read_c0_brcm_config()           __read_32bit_c0_register($22, 0)
1957 #define write_c0_brcm_config(val)       __write_32bit_c0_register($22, 0, val)
1958 
1959 #define read_c0_brcm_mode()             __read_32bit_c0_register($22, 1)
1960 #define write_c0_brcm_mode(val)         __write_32bit_c0_register($22, 1, val)
1961 
1962 #define read_c0_brcm_action()           __read_32bit_c0_register($22, 2)
1963 #define write_c0_brcm_action(val)       __write_32bit_c0_register($22, 2, val)
1964 
1965 #define read_c0_brcm_edsp()             __read_32bit_c0_register($22, 3)
1966 #define write_c0_brcm_edsp(val)         __write_32bit_c0_register($22, 3, val)
1967 
1968 #define read_c0_brcm_bootvec()          __read_32bit_c0_register($22, 4)
1969 #define write_c0_brcm_bootvec(val)      __write_32bit_c0_register($22, 4, val)
1970 
1971 #define read_c0_brcm_sleepcount()       __read_32bit_c0_register($22, 7)
1972 #define write_c0_brcm_sleepcount(val)   __write_32bit_c0_register($22, 7, val)
1973 
1974 /*
1975  * Macros to access the guest system control coprocessor
1976  */
1977 
1978 #ifndef TOOLCHAIN_SUPPORTS_VIRT
1979 _ASM_MACRO_2R_1S(mfgc0, rt, rs, sel,
1980         _ASM_INSN_IF_MIPS(0x40600000 | __rt << 16 | __rs << 11 | \\sel)
1981         _ASM_INSN32_IF_MM(0x000004fc | __rt << 21 | __rs << 16 | \\sel << 11));
1982 _ASM_MACRO_2R_1S(dmfgc0, rt, rs, sel,
1983         _ASM_INSN_IF_MIPS(0x40600100 | __rt << 16 | __rs << 11 | \\sel)
1984         _ASM_INSN32_IF_MM(0x580004fc | __rt << 21 | __rs << 16 | \\sel << 11));
1985 _ASM_MACRO_2R_1S(mtgc0, rt, rd, sel,
1986         _ASM_INSN_IF_MIPS(0x40600200 | __rt << 16 | __rd << 11 | \\sel)
1987         _ASM_INSN32_IF_MM(0x000006fc | __rt << 21 | __rd << 16 | \\sel << 11));
1988 _ASM_MACRO_2R_1S(dmtgc0, rt, rd, sel,
1989         _ASM_INSN_IF_MIPS(0x40600300 | __rt << 16 | __rd << 11 | \\sel)
1990         _ASM_INSN32_IF_MM(0x580006fc | __rt << 21 | __rd << 16 | \\sel << 11));
1991 _ASM_MACRO_0(tlbgp,    _ASM_INSN_IF_MIPS(0x42000010)
1992                        _ASM_INSN32_IF_MM(0x0000017c));
1993 _ASM_MACRO_0(tlbgr,    _ASM_INSN_IF_MIPS(0x42000009)
1994                        _ASM_INSN32_IF_MM(0x0000117c));
1995 _ASM_MACRO_0(tlbgwi,   _ASM_INSN_IF_MIPS(0x4200000a)
1996                        _ASM_INSN32_IF_MM(0x0000217c));
1997 _ASM_MACRO_0(tlbgwr,   _ASM_INSN_IF_MIPS(0x4200000e)
1998                        _ASM_INSN32_IF_MM(0x0000317c));
1999 _ASM_MACRO_0(tlbginvf, _ASM_INSN_IF_MIPS(0x4200000c)
2000                        _ASM_INSN32_IF_MM(0x0000517c));
2001 #define _ASM_SET_VIRT ""
2002 #else   /* !TOOLCHAIN_SUPPORTS_VIRT */
2003 #define _ASM_SET_VIRT ".set\tvirt\n\t"
2004 #endif
2005 
2006 #define __read_32bit_gc0_register(source, sel)                          \
2007 ({ int __res;                                                           \
2008         __asm__ __volatile__(                                           \
2009                 ".set\tpush\n\t"                                        \
2010                 ".set\tmips32r2\n\t"                                    \
2011                 _ASM_SET_VIRT                                           \
2012                 "mfgc0\t%0, " #source ", %1\n\t"                        \
2013                 ".set\tpop"                                             \
2014                 : "=r" (__res)                                          \
2015                 : "i" (sel));                                           \
2016         __res;                                                          \
2017 })
2018 
2019 #define __read_64bit_gc0_register(source, sel)                          \
2020 ({ unsigned long long __res;                                            \
2021         __asm__ __volatile__(                                           \
2022                 ".set\tpush\n\t"                                        \
2023                 ".set\tmips64r2\n\t"                                    \
2024                 _ASM_SET_VIRT                                           \
2025                 "dmfgc0\t%0, " #source ", %1\n\t"                       \
2026                 ".set\tpop"                                             \
2027                 : "=r" (__res)                                          \
2028                 : "i" (sel));                                           \
2029         __res;                                                          \
2030 })
2031 
2032 #define __write_32bit_gc0_register(register, sel, value)                \
2033 do {                                                                    \
2034         __asm__ __volatile__(                                           \
2035                 ".set\tpush\n\t"                                        \
2036                 ".set\tmips32r2\n\t"                                    \
2037                 _ASM_SET_VIRT                                           \
2038                 "mtgc0\t%z0, " #register ", %1\n\t"                     \
2039                 ".set\tpop"                                             \
2040                 : : "Jr" ((unsigned int)(value)),                       \
2041                     "i" (sel));                                         \
2042 } while (0)
2043 
2044 #define __write_64bit_gc0_register(register, sel, value)                \
2045 do {                                                                    \
2046         __asm__ __volatile__(                                           \
2047                 ".set\tpush\n\t"                                        \
2048                 ".set\tmips64r2\n\t"                                    \
2049                 _ASM_SET_VIRT                                           \
2050                 "dmtgc0\t%z0, " #register ", %1\n\t"                    \
2051                 ".set\tpop"                                             \
2052                 : : "Jr" (value),                                       \
2053                     "i" (sel));                                         \
2054 } while (0)
2055 
2056 #define __read_ulong_gc0_register(reg, sel)                             \
2057         ((sizeof(unsigned long) == 4) ?                                 \
2058         (unsigned long) __read_32bit_gc0_register(reg, sel) :           \
2059         (unsigned long) __read_64bit_gc0_register(reg, sel))
2060 
2061 #define __write_ulong_gc0_register(reg, sel, val)                       \
2062 do {                                                                    \
2063         if (sizeof(unsigned long) == 4)                                 \
2064                 __write_32bit_gc0_register(reg, sel, val);              \
2065         else                                                            \
2066                 __write_64bit_gc0_register(reg, sel, val);              \
2067 } while (0)
2068 
2069 #define read_gc0_index()                __read_32bit_gc0_register($0, 0)
2070 #define write_gc0_index(val)            __write_32bit_gc0_register($0, 0, val)
2071 
2072 #define read_gc0_entrylo0()             __read_ulong_gc0_register($2, 0)
2073 #define write_gc0_entrylo0(val)         __write_ulong_gc0_register($2, 0, val)
2074 
2075 #define read_gc0_entrylo1()             __read_ulong_gc0_register($3, 0)
2076 #define write_gc0_entrylo1(val)         __write_ulong_gc0_register($3, 0, val)
2077 
2078 #define read_gc0_context()              __read_ulong_gc0_register($4, 0)
2079 #define write_gc0_context(val)          __write_ulong_gc0_register($4, 0, val)
2080 
2081 #define read_gc0_contextconfig()        __read_32bit_gc0_register($4, 1)
2082 #define write_gc0_contextconfig(val)    __write_32bit_gc0_register($4, 1, val)
2083 
2084 #define read_gc0_userlocal()            __read_ulong_gc0_register($4, 2)
2085 #define write_gc0_userlocal(val)        __write_ulong_gc0_register($4, 2, val)
2086 
2087 #define read_gc0_xcontextconfig()       __read_ulong_gc0_register($4, 3)
2088 #define write_gc0_xcontextconfig(val)   __write_ulong_gc0_register($4, 3, val)
2089 
2090 #define read_gc0_pagemask()             __read_32bit_gc0_register($5, 0)
2091 #define write_gc0_pagemask(val)         __write_32bit_gc0_register($5, 0, val)
2092 
2093 #define read_gc0_pagegrain()            __read_32bit_gc0_register($5, 1)
2094 #define write_gc0_pagegrain(val)        __write_32bit_gc0_register($5, 1, val)
2095 
2096 #define read_gc0_segctl0()              __read_ulong_gc0_register($5, 2)
2097 #define write_gc0_segctl0(val)          __write_ulong_gc0_register($5, 2, val)
2098 
2099 #define read_gc0_segctl1()              __read_ulong_gc0_register($5, 3)
2100 #define write_gc0_segctl1(val)          __write_ulong_gc0_register($5, 3, val)
2101 
2102 #define read_gc0_segctl2()              __read_ulong_gc0_register($5, 4)
2103 #define write_gc0_segctl2(val)          __write_ulong_gc0_register($5, 4, val)
2104 
2105 #define read_gc0_pwbase()               __read_ulong_gc0_register($5, 5)
2106 #define write_gc0_pwbase(val)           __write_ulong_gc0_register($5, 5, val)
2107 
2108 #define read_gc0_pwfield()              __read_ulong_gc0_register($5, 6)
2109 #define write_gc0_pwfield(val)          __write_ulong_gc0_register($5, 6, val)
2110 
2111 #define read_gc0_pwsize()               __read_ulong_gc0_register($5, 7)
2112 #define write_gc0_pwsize(val)           __write_ulong_gc0_register($5, 7, val)
2113 
2114 #define read_gc0_wired()                __read_32bit_gc0_register($6, 0)
2115 #define write_gc0_wired(val)            __write_32bit_gc0_register($6, 0, val)
2116 
2117 #define read_gc0_pwctl()                __read_32bit_gc0_register($6, 6)
2118 #define write_gc0_pwctl(val)            __write_32bit_gc0_register($6, 6, val)
2119 
2120 #define read_gc0_hwrena()               __read_32bit_gc0_register($7, 0)
2121 #define write_gc0_hwrena(val)           __write_32bit_gc0_register($7, 0, val)
2122 
2123 #define read_gc0_badvaddr()             __read_ulong_gc0_register($8, 0)
2124 #define write_gc0_badvaddr(val)         __write_ulong_gc0_register($8, 0, val)
2125 
2126 #define read_gc0_badinstr()             __read_32bit_gc0_register($8, 1)
2127 #define write_gc0_badinstr(val)         __write_32bit_gc0_register($8, 1, val)
2128 
2129 #define read_gc0_badinstrp()            __read_32bit_gc0_register($8, 2)
2130 #define write_gc0_badinstrp(val)        __write_32bit_gc0_register($8, 2, val)
2131 
2132 #define read_gc0_count()                __read_32bit_gc0_register($9, 0)
2133 
2134 #define read_gc0_entryhi()              __read_ulong_gc0_register($10, 0)
2135 #define write_gc0_entryhi(val)          __write_ulong_gc0_register($10, 0, val)
2136 
2137 #define read_gc0_compare()              __read_32bit_gc0_register($11, 0)
2138 #define write_gc0_compare(val)          __write_32bit_gc0_register($11, 0, val)
2139 
2140 #define read_gc0_status()               __read_32bit_gc0_register($12, 0)
2141 #define write_gc0_status(val)           __write_32bit_gc0_register($12, 0, val)
2142 
2143 #define read_gc0_intctl()               __read_32bit_gc0_register($12, 1)
2144 #define write_gc0_intctl(val)           __write_32bit_gc0_register($12, 1, val)
2145 
2146 #define read_gc0_cause()                __read_32bit_gc0_register($13, 0)
2147 #define write_gc0_cause(val)            __write_32bit_gc0_register($13, 0, val)
2148 
2149 #define read_gc0_epc()                  __read_ulong_gc0_register($14, 0)
2150 #define write_gc0_epc(val)              __write_ulong_gc0_register($14, 0, val)
2151 
2152 #define read_gc0_prid()                 __read_32bit_gc0_register($15, 0)
2153 
2154 #define read_gc0_ebase()                __read_32bit_gc0_register($15, 1)
2155 #define write_gc0_ebase(val)            __write_32bit_gc0_register($15, 1, val)
2156 
2157 #define read_gc0_ebase_64()             __read_64bit_gc0_register($15, 1)
2158 #define write_gc0_ebase_64(val)         __write_64bit_gc0_register($15, 1, val)
2159 
2160 #define read_gc0_config()               __read_32bit_gc0_register($16, 0)
2161 #define read_gc0_config1()              __read_32bit_gc0_register($16, 1)
2162 #define read_gc0_config2()              __read_32bit_gc0_register($16, 2)
2163 #define read_gc0_config3()              __read_32bit_gc0_register($16, 3)
2164 #define read_gc0_config4()              __read_32bit_gc0_register($16, 4)
2165 #define read_gc0_config5()              __read_32bit_gc0_register($16, 5)
2166 #define read_gc0_config6()              __read_32bit_gc0_register($16, 6)
2167 #define read_gc0_config7()              __read_32bit_gc0_register($16, 7)
2168 #define write_gc0_config(val)           __write_32bit_gc0_register($16, 0, val)
2169 #define write_gc0_config1(val)          __write_32bit_gc0_register($16, 1, val)
2170 #define write_gc0_config2(val)          __write_32bit_gc0_register($16, 2, val)
2171 #define write_gc0_config3(val)          __write_32bit_gc0_register($16, 3, val)
2172 #define write_gc0_config4(val)          __write_32bit_gc0_register($16, 4, val)
2173 #define write_gc0_config5(val)          __write_32bit_gc0_register($16, 5, val)
2174 #define write_gc0_config6(val)          __write_32bit_gc0_register($16, 6, val)
2175 #define write_gc0_config7(val)          __write_32bit_gc0_register($16, 7, val)
2176 
2177 #define read_gc0_lladdr()               __read_ulong_gc0_register($17, 0)
2178 #define write_gc0_lladdr(val)           __write_ulong_gc0_register($17, 0, val)
2179 
2180 #define read_gc0_watchlo0()             __read_ulong_gc0_register($18, 0)
2181 #define read_gc0_watchlo1()             __read_ulong_gc0_register($18, 1)
2182 #define read_gc0_watchlo2()             __read_ulong_gc0_register($18, 2)
2183 #define read_gc0_watchlo3()             __read_ulong_gc0_register($18, 3)
2184 #define read_gc0_watchlo4()             __read_ulong_gc0_register($18, 4)
2185 #define read_gc0_watchlo5()             __read_ulong_gc0_register($18, 5)
2186 #define read_gc0_watchlo6()             __read_ulong_gc0_register($18, 6)
2187 #define read_gc0_watchlo7()             __read_ulong_gc0_register($18, 7)
2188 #define write_gc0_watchlo0(val)         __write_ulong_gc0_register($18, 0, val)
2189 #define write_gc0_watchlo1(val)         __write_ulong_gc0_register($18, 1, val)
2190 #define write_gc0_watchlo2(val)         __write_ulong_gc0_register($18, 2, val)
2191 #define write_gc0_watchlo3(val)         __write_ulong_gc0_register($18, 3, val)
2192 #define write_gc0_watchlo4(val)         __write_ulong_gc0_register($18, 4, val)
2193 #define write_gc0_watchlo5(val)         __write_ulong_gc0_register($18, 5, val)
2194 #define write_gc0_watchlo6(val)         __write_ulong_gc0_register($18, 6, val)
2195 #define write_gc0_watchlo7(val)         __write_ulong_gc0_register($18, 7, val)
2196 
2197 #define read_gc0_watchhi0()             __read_32bit_gc0_register($19, 0)
2198 #define read_gc0_watchhi1()             __read_32bit_gc0_register($19, 1)
2199 #define read_gc0_watchhi2()             __read_32bit_gc0_register($19, 2)
2200 #define read_gc0_watchhi3()             __read_32bit_gc0_register($19, 3)
2201 #define read_gc0_watchhi4()             __read_32bit_gc0_register($19, 4)
2202 #define read_gc0_watchhi5()             __read_32bit_gc0_register($19, 5)
2203 #define read_gc0_watchhi6()             __read_32bit_gc0_register($19, 6)
2204 #define read_gc0_watchhi7()             __read_32bit_gc0_register($19, 7)
2205 #define write_gc0_watchhi0(val)         __write_32bit_gc0_register($19, 0, val)
2206 #define write_gc0_watchhi1(val)         __write_32bit_gc0_register($19, 1, val)
2207 #define write_gc0_watchhi2(val)         __write_32bit_gc0_register($19, 2, val)
2208 #define write_gc0_watchhi3(val)         __write_32bit_gc0_register($19, 3, val)
2209 #define write_gc0_watchhi4(val)         __write_32bit_gc0_register($19, 4, val)
2210 #define write_gc0_watchhi5(val)         __write_32bit_gc0_register($19, 5, val)
2211 #define write_gc0_watchhi6(val)         __write_32bit_gc0_register($19, 6, val)
2212 #define write_gc0_watchhi7(val)         __write_32bit_gc0_register($19, 7, val)
2213 
2214 #define read_gc0_xcontext()             __read_ulong_gc0_register($20, 0)
2215 #define write_gc0_xcontext(val)         __write_ulong_gc0_register($20, 0, val)
2216 
2217 #define read_gc0_perfctrl0()            __read_32bit_gc0_register($25, 0)
2218 #define write_gc0_perfctrl0(val)        __write_32bit_gc0_register($25, 0, val)
2219 #define read_gc0_perfcntr0()            __read_32bit_gc0_register($25, 1)
2220 #define write_gc0_perfcntr0(val)        __write_32bit_gc0_register($25, 1, val)
2221 #define read_gc0_perfcntr0_64()         __read_64bit_gc0_register($25, 1)
2222 #define write_gc0_perfcntr0_64(val)     __write_64bit_gc0_register($25, 1, val)
2223 #define read_gc0_perfctrl1()            __read_32bit_gc0_register($25, 2)
2224 #define write_gc0_perfctrl1(val)        __write_32bit_gc0_register($25, 2, val)
2225 #define read_gc0_perfcntr1()            __read_32bit_gc0_register($25, 3)
2226 #define write_gc0_perfcntr1(val)        __write_32bit_gc0_register($25, 3, val)
2227 #define read_gc0_perfcntr1_64()         __read_64bit_gc0_register($25, 3)
2228 #define write_gc0_perfcntr1_64(val)     __write_64bit_gc0_register($25, 3, val)
2229 #define read_gc0_perfctrl2()            __read_32bit_gc0_register($25, 4)
2230 #define write_gc0_perfctrl2(val)        __write_32bit_gc0_register($25, 4, val)
2231 #define read_gc0_perfcntr2()            __read_32bit_gc0_register($25, 5)
2232 #define write_gc0_perfcntr2(val)        __write_32bit_gc0_register($25, 5, val)
2233 #define read_gc0_perfcntr2_64()         __read_64bit_gc0_register($25, 5)
2234 #define write_gc0_perfcntr2_64(val)     __write_64bit_gc0_register($25, 5, val)
2235 #define read_gc0_perfctrl3()            __read_32bit_gc0_register($25, 6)
2236 #define write_gc0_perfctrl3(val)        __write_32bit_gc0_register($25, 6, val)
2237 #define read_gc0_perfcntr3()            __read_32bit_gc0_register($25, 7)
2238 #define write_gc0_perfcntr3(val)        __write_32bit_gc0_register($25, 7, val)
2239 #define read_gc0_perfcntr3_64()         __read_64bit_gc0_register($25, 7)
2240 #define write_gc0_perfcntr3_64(val)     __write_64bit_gc0_register($25, 7, val)
2241 
2242 #define read_gc0_errorepc()             __read_ulong_gc0_register($30, 0)
2243 #define write_gc0_errorepc(val)         __write_ulong_gc0_register($30, 0, val)
2244 
2245 #define read_gc0_kscratch1()            __read_ulong_gc0_register($31, 2)
2246 #define read_gc0_kscratch2()            __read_ulong_gc0_register($31, 3)
2247 #define read_gc0_kscratch3()            __read_ulong_gc0_register($31, 4)
2248 #define read_gc0_kscratch4()            __read_ulong_gc0_register($31, 5)
2249 #define read_gc0_kscratch5()            __read_ulong_gc0_register($31, 6)
2250 #define read_gc0_kscratch6()            __read_ulong_gc0_register($31, 7)
2251 #define write_gc0_kscratch1(val)        __write_ulong_gc0_register($31, 2, val)
2252 #define write_gc0_kscratch2(val)        __write_ulong_gc0_register($31, 3, val)
2253 #define write_gc0_kscratch3(val)        __write_ulong_gc0_register($31, 4, val)
2254 #define write_gc0_kscratch4(val)        __write_ulong_gc0_register($31, 5, val)
2255 #define write_gc0_kscratch5(val)        __write_ulong_gc0_register($31, 6, val)
2256 #define write_gc0_kscratch6(val)        __write_ulong_gc0_register($31, 7, val)
2257 
2258 /* Cavium OCTEON (cnMIPS) */
2259 #define read_gc0_cvmcount()             __read_ulong_gc0_register($9, 6)
2260 #define write_gc0_cvmcount(val)         __write_ulong_gc0_register($9, 6, val)
2261 
2262 #define read_gc0_cvmctl()               __read_64bit_gc0_register($9, 7)
2263 #define write_gc0_cvmctl(val)           __write_64bit_gc0_register($9, 7, val)
2264 
2265 #define read_gc0_cvmmemctl()            __read_64bit_gc0_register($11, 7)
2266 #define write_gc0_cvmmemctl(val)        __write_64bit_gc0_register($11, 7, val)
2267 
2268 #define read_gc0_cvmmemctl2()           __read_64bit_gc0_register($16, 6)
2269 #define write_gc0_cvmmemctl2(val)       __write_64bit_gc0_register($16, 6, val)
2270 
2271 /*
2272  * Macros to access the floating point coprocessor control registers
2273  */
2274 #define _read_32bit_cp1_register(source, gas_hardfloat)                 \
2275 ({                                                                      \
2276         unsigned int __res;                                             \
2277                                                                         \
2278         __asm__ __volatile__(                                           \
2279         "       .set    push                                    \n"     \
2280         "       .set    reorder                                 \n"     \
2281         "       # gas fails to assemble cfc1 for some archs,    \n"     \
2282         "       # like Octeon.                                  \n"     \
2283         "       .set    mips1                                   \n"     \
2284         "       "STR(gas_hardfloat)"                            \n"     \
2285         "       cfc1    %0,"STR(source)"                        \n"     \
2286         "       .set    pop                                     \n"     \
2287         : "=r" (__res));                                                \
2288         __res;                                                          \
2289 })
2290 
2291 #define _write_32bit_cp1_register(dest, val, gas_hardfloat)             \
2292 do {                                                                    \
2293         __asm__ __volatile__(                                           \
2294         "       .set    push                                    \n"     \
2295         "       .set    reorder                                 \n"     \
2296         "       "STR(gas_hardfloat)"                            \n"     \
2297         "       ctc1    %0,"STR(dest)"                          \n"     \
2298         "       .set    pop                                     \n"     \
2299         : : "r" (val));                                                 \
2300 } while (0)
2301 
2302 #ifdef GAS_HAS_SET_HARDFLOAT
2303 #define read_32bit_cp1_register(source)                                 \
2304         _read_32bit_cp1_register(source, .set hardfloat)
2305 #define write_32bit_cp1_register(dest, val)                             \
2306         _write_32bit_cp1_register(dest, val, .set hardfloat)
2307 #else
2308 #define read_32bit_cp1_register(source)                                 \
2309         _read_32bit_cp1_register(source, )
2310 #define write_32bit_cp1_register(dest, val)                             \
2311         _write_32bit_cp1_register(dest, val, )
2312 #endif
2313 
2314 #ifdef TOOLCHAIN_SUPPORTS_DSP
2315 #define rddsp(mask)                                                     \
2316 ({                                                                      \
2317         unsigned int __dspctl;                                          \
2318                                                                         \
2319         __asm__ __volatile__(                                           \
2320         "       .set push                                       \n"     \
2321         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2322         "       .set dsp                                        \n"     \
2323         "       rddsp   %0, %x1                                 \n"     \
2324         "       .set pop                                        \n"     \
2325         : "=r" (__dspctl)                                               \
2326         : "i" (mask));                                                  \
2327         __dspctl;                                                       \
2328 })
2329 
2330 #define wrdsp(val, mask)                                                \
2331 do {                                                                    \
2332         __asm__ __volatile__(                                           \
2333         "       .set push                                       \n"     \
2334         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2335         "       .set dsp                                        \n"     \
2336         "       wrdsp   %0, %x1                                 \n"     \
2337         "       .set pop                                        \n"     \
2338         :                                                               \
2339         : "r" (val), "i" (mask));                                       \
2340 } while (0)
2341 
2342 #define mflo0()                                                         \
2343 ({                                                                      \
2344         long mflo0;                                                     \
2345         __asm__(                                                        \
2346         "       .set push                                       \n"     \
2347         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2348         "       .set dsp                                        \n"     \
2349         "       mflo %0, $ac0                                   \n"     \
2350         "       .set pop                                        \n"     \
2351         : "=r" (mflo0));                                                \
2352         mflo0;                                                          \
2353 })
2354 
2355 #define mflo1()                                                         \
2356 ({                                                                      \
2357         long mflo1;                                                     \
2358         __asm__(                                                        \
2359         "       .set push                                       \n"     \
2360         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2361         "       .set dsp                                        \n"     \
2362         "       mflo %0, $ac1                                   \n"     \
2363         "       .set pop                                        \n"     \
2364         : "=r" (mflo1));                                                \
2365         mflo1;                                                          \
2366 })
2367 
2368 #define mflo2()                                                         \
2369 ({                                                                      \
2370         long mflo2;                                                     \
2371         __asm__(                                                        \
2372         "       .set push                                       \n"     \
2373         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2374         "       .set dsp                                        \n"     \
2375         "       mflo %0, $ac2                                   \n"     \
2376         "       .set pop                                        \n"     \
2377         : "=r" (mflo2));                                                \
2378         mflo2;                                                          \
2379 })
2380 
2381 #define mflo3()                                                         \
2382 ({                                                                      \
2383         long mflo3;                                                     \
2384         __asm__(                                                        \
2385         "       .set push                                       \n"     \
2386         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2387         "       .set dsp                                        \n"     \
2388         "       mflo %0, $ac3                                   \n"     \
2389         "       .set pop                                        \n"     \
2390         : "=r" (mflo3));                                                \
2391         mflo3;                                                          \
2392 })
2393 
2394 #define mfhi0()                                                         \
2395 ({                                                                      \
2396         long mfhi0;                                                     \
2397         __asm__(                                                        \
2398         "       .set push                                       \n"     \
2399         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2400         "       .set dsp                                        \n"     \
2401         "       mfhi %0, $ac0                                   \n"     \
2402         "       .set pop                                        \n"     \
2403         : "=r" (mfhi0));                                                \
2404         mfhi0;                                                          \
2405 })
2406 
2407 #define mfhi1()                                                         \
2408 ({                                                                      \
2409         long mfhi1;                                                     \
2410         __asm__(                                                        \
2411         "       .set push                                       \n"     \
2412         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2413         "       .set dsp                                        \n"     \
2414         "       mfhi %0, $ac1                                   \n"     \
2415         "       .set pop                                        \n"     \
2416         : "=r" (mfhi1));                                                \
2417         mfhi1;                                                          \
2418 })
2419 
2420 #define mfhi2()                                                         \
2421 ({                                                                      \
2422         long mfhi2;                                                     \
2423         __asm__(                                                        \
2424         "       .set push                                       \n"     \
2425         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2426         "       .set dsp                                        \n"     \
2427         "       mfhi %0, $ac2                                   \n"     \
2428         "       .set pop                                        \n"     \
2429         : "=r" (mfhi2));                                                \
2430         mfhi2;                                                          \
2431 })
2432 
2433 #define mfhi3()                                                         \
2434 ({                                                                      \
2435         long mfhi3;                                                     \
2436         __asm__(                                                        \
2437         "       .set push                                       \n"     \
2438         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2439         "       .set dsp                                        \n"     \
2440         "       mfhi %0, $ac3                                   \n"     \
2441         "       .set pop                                        \n"     \
2442         : "=r" (mfhi3));                                                \
2443         mfhi3;                                                          \
2444 })
2445 
2446 
2447 #define mtlo0(x)                                                        \
2448 ({                                                                      \
2449         __asm__(                                                        \
2450         "       .set push                                       \n"     \
2451         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2452         "       .set dsp                                        \n"     \
2453         "       mtlo %0, $ac0                                   \n"     \
2454         "       .set pop                                        \n"     \
2455         :                                                               \
2456         : "r" (x));                                                     \
2457 })
2458 
2459 #define mtlo1(x)                                                        \
2460 ({                                                                      \
2461         __asm__(                                                        \
2462         "       .set push                                       \n"     \
2463         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2464         "       .set dsp                                        \n"     \
2465         "       mtlo %0, $ac1                                   \n"     \
2466         "       .set pop                                        \n"     \
2467         :                                                               \
2468         : "r" (x));                                                     \
2469 })
2470 
2471 #define mtlo2(x)                                                        \
2472 ({                                                                      \
2473         __asm__(                                                        \
2474         "       .set push                                       \n"     \
2475         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2476         "       .set dsp                                        \n"     \
2477         "       mtlo %0, $ac2                                   \n"     \
2478         "       .set pop                                        \n"     \
2479         :                                                               \
2480         : "r" (x));                                                     \
2481 })
2482 
2483 #define mtlo3(x)                                                        \
2484 ({                                                                      \
2485         __asm__(                                                        \
2486         "       .set push                                       \n"     \
2487         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2488         "       .set dsp                                        \n"     \
2489         "       mtlo %0, $ac3                                   \n"     \
2490         "       .set pop                                        \n"     \
2491         :                                                               \
2492         : "r" (x));                                                     \
2493 })
2494 
2495 #define mthi0(x)                                                        \
2496 ({                                                                      \
2497         __asm__(                                                        \
2498         "       .set push                                       \n"     \
2499         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2500         "       .set dsp                                        \n"     \
2501         "       mthi %0, $ac0                                   \n"     \
2502         "       .set pop                                        \n"     \
2503         :                                                               \
2504         : "r" (x));                                                     \
2505 })
2506 
2507 #define mthi1(x)                                                        \
2508 ({                                                                      \
2509         __asm__(                                                        \
2510         "       .set push                                       \n"     \
2511         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2512         "       .set dsp                                        \n"     \
2513         "       mthi %0, $ac1                                   \n"     \
2514         "       .set pop                                        \n"     \
2515         :                                                               \
2516         : "r" (x));                                                     \
2517 })
2518 
2519 #define mthi2(x)                                                        \
2520 ({                                                                      \
2521         __asm__(                                                        \
2522         "       .set push                                       \n"     \
2523         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2524         "       .set dsp                                        \n"     \
2525         "       mthi %0, $ac2                                   \n"     \
2526         "       .set pop                                        \n"     \
2527         :                                                               \
2528         : "r" (x));                                                     \
2529 })
2530 
2531 #define mthi3(x)                                                        \
2532 ({                                                                      \
2533         __asm__(                                                        \
2534         "       .set push                                       \n"     \
2535         "       .set " MIPS_ISA_LEVEL "                         \n"     \
2536         "       .set dsp                                        \n"     \
2537         "       mthi %0, $ac3                                   \n"     \
2538         "       .set pop                                        \n"     \
2539         :                                                               \
2540         : "r" (x));                                                     \
2541 })
2542 
2543 #else
2544 
2545 #define rddsp(mask)                                                     \
2546 ({                                                                      \
2547         unsigned int __res;                                             \
2548                                                                         \
2549         __asm__ __volatile__(                                           \
2550         "       .set    push                                    \n"     \
2551         "       .set    noat                                    \n"     \
2552         "       # rddsp $1, %x1                                 \n"     \
2553         _ASM_INSN_IF_MIPS(0x7c000cb8 | (%x1 << 16))                     \
2554         _ASM_INSN32_IF_MM(0x0020067c | (%x1 << 14))                     \
2555         "       move    %0, $1                                  \n"     \
2556         "       .set    pop                                     \n"     \
2557         : "=r" (__res)                                                  \
2558         : "i" (mask));                                                  \
2559         __res;                                                          \
2560 })
2561 
2562 #define wrdsp(val, mask)                                                \
2563 do {                                                                    \
2564         __asm__ __volatile__(                                           \
2565         "       .set    push                                    \n"     \
2566         "       .set    noat                                    \n"     \
2567         "       move    $1, %0                                  \n"     \
2568         "       # wrdsp $1, %x1                                 \n"     \
2569         _ASM_INSN_IF_MIPS(0x7c2004f8 | (%x1 << 11))                     \
2570         _ASM_INSN32_IF_MM(0x0020167c | (%x1 << 14))                     \
2571         "       .set    pop                                     \n"     \
2572         :                                                               \
2573         : "r" (val), "i" (mask));                                       \
2574 } while (0)
2575 
2576 #define _dsp_mfxxx(ins)                                                 \
2577 ({                                                                      \
2578         unsigned long __treg;                                           \
2579                                                                         \
2580         __asm__ __volatile__(                                           \
2581         "       .set    push                                    \n"     \
2582         "       .set    noat                                    \n"     \
2583         _ASM_INSN_IF_MIPS(0x00000810 | %X1)                             \
2584         _ASM_INSN32_IF_MM(0x0001007c | %x1)                             \
2585         "       move    %0, $1                                  \n"     \
2586         "       .set    pop                                     \n"     \
2587         : "=r" (__treg)                                                 \
2588         : "i" (ins));                                                   \
2589         __treg;                                                         \
2590 })
2591 
2592 #define _dsp_mtxxx(val, ins)                                            \
2593 do {                                                                    \
2594         __asm__ __volatile__(                                           \
2595         "       .set    push                                    \n"     \
2596         "       .set    noat                                    \n"     \
2597         "       move    $1, %0                                  \n"     \
2598         _ASM_INSN_IF_MIPS(0x00200011 | %X1)                             \
2599         _ASM_INSN32_IF_MM(0x0001207c | %x1)                             \
2600         "       .set    pop                                     \n"     \
2601         :                                                               \
2602         : "r" (val), "i" (ins));                                        \
2603 } while (0)
2604 
2605 #ifdef CONFIG_CPU_MICROMIPS
2606 
2607 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 14) | 0x1000)
2608 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 14) | 0x0000)
2609 
2610 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x1000))
2611 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 14) | 0x0000))
2612 
2613 #else  /* !CONFIG_CPU_MICROMIPS */
2614 
2615 #define _dsp_mflo(reg) _dsp_mfxxx((reg << 21) | 0x0002)
2616 #define _dsp_mfhi(reg) _dsp_mfxxx((reg << 21) | 0x0000)
2617 
2618 #define _dsp_mtlo(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0002))
2619 #define _dsp_mthi(val, reg) _dsp_mtxxx(val, ((reg << 11) | 0x0000))
2620 
2621 #endif /* CONFIG_CPU_MICROMIPS */
2622 
2623 #define mflo0() _dsp_mflo(0)
2624 #define mflo1() _dsp_mflo(1)
2625 #define mflo2() _dsp_mflo(2)
2626 #define mflo3() _dsp_mflo(3)
2627 
2628 #define mfhi0() _dsp_mfhi(0)
2629 #define mfhi1() _dsp_mfhi(1)
2630 #define mfhi2() _dsp_mfhi(2)
2631 #define mfhi3() _dsp_mfhi(3)
2632 
2633 #define mtlo0(x) _dsp_mtlo(x, 0)
2634 #define mtlo1(x) _dsp_mtlo(x, 1)
2635 #define mtlo2(x) _dsp_mtlo(x, 2)
2636 #define mtlo3(x) _dsp_mtlo(x, 3)
2637 
2638 #define mthi0(x) _dsp_mthi(x, 0)
2639 #define mthi1(x) _dsp_mthi(x, 1)
2640 #define mthi2(x) _dsp_mthi(x, 2)
2641 #define mthi3(x) _dsp_mthi(x, 3)
2642 
2643 #endif
2644 
2645 /*
2646  * TLB operations.
2647  *
2648  * It is responsibility of the caller to take care of any TLB hazards.
2649  */
2650 static inline void tlb_probe(void)
2651 {
2652         __asm__ __volatile__(
2653                 ".set noreorder\n\t"
2654                 "tlbp\n\t"
2655                 ".set reorder");
2656 }
2657 
2658 static inline void tlb_read(void)
2659 {
2660 #if MIPS34K_MISSED_ITLB_WAR
2661         int res = 0;
2662 
2663         __asm__ __volatile__(
2664         "       .set    push                                    \n"
2665         "       .set    noreorder                               \n"
2666         "       .set    noat                                    \n"
2667         "       .set    mips32r2                                \n"
2668         "       .word   0x41610001              # dvpe $1       \n"
2669         "       move    %0, $1                                  \n"
2670         "       ehb                                             \n"
2671         "       .set    pop                                     \n"
2672         : "=r" (res));
2673 
2674         instruction_hazard();
2675 #endif
2676 
2677         __asm__ __volatile__(
2678                 ".set noreorder\n\t"
2679                 "tlbr\n\t"
2680                 ".set reorder");
2681 
2682 #if MIPS34K_MISSED_ITLB_WAR
2683         if ((res & _ULCAST_(1)))
2684                 __asm__ __volatile__(
2685                 "       .set    push                            \n"
2686                 "       .set    noreorder                       \n"
2687                 "       .set    noat                            \n"
2688                 "       .set    mips32r2                        \n"
2689                 "       .word   0x41600021      # evpe          \n"
2690                 "       ehb                                     \n"
2691                 "       .set    pop                             \n");
2692 #endif
2693 }
2694 
2695 static inline void tlb_write_indexed(void)
2696 {
2697         __asm__ __volatile__(
2698                 ".set noreorder\n\t"
2699                 "tlbwi\n\t"
2700                 ".set reorder");
2701 }
2702 
2703 static inline void tlb_write_random(void)
2704 {
2705         __asm__ __volatile__(
2706                 ".set noreorder\n\t"
2707                 "tlbwr\n\t"
2708                 ".set reorder");
2709 }
2710 
2711 /*
2712  * Guest TLB operations.
2713  *
2714  * It is responsibility of the caller to take care of any TLB hazards.
2715  */
2716 static inline void guest_tlb_probe(void)
2717 {
2718         __asm__ __volatile__(
2719                 ".set push\n\t"
2720                 ".set noreorder\n\t"
2721                 _ASM_SET_VIRT
2722                 "tlbgp\n\t"
2723                 ".set pop");
2724 }
2725 
2726 static inline void guest_tlb_read(void)
2727 {
2728         __asm__ __volatile__(
2729                 ".set push\n\t"
2730                 ".set noreorder\n\t"
2731                 _ASM_SET_VIRT
2732                 "tlbgr\n\t"
2733                 ".set pop");
2734 }
2735 
2736 static inline void guest_tlb_write_indexed(void)
2737 {
2738         __asm__ __volatile__(
2739                 ".set push\n\t"
2740                 ".set noreorder\n\t"
2741                 _ASM_SET_VIRT
2742                 "tlbgwi\n\t"
2743                 ".set pop");
2744 }
2745 
2746 static inline void guest_tlb_write_random(void)
2747 {
2748         __asm__ __volatile__(
2749                 ".set push\n\t"
2750                 ".set noreorder\n\t"
2751                 _ASM_SET_VIRT
2752                 "tlbgwr\n\t"
2753                 ".set pop");
2754 }
2755 
2756 /*
2757  * Guest TLB Invalidate Flush
2758  */
2759 static inline void guest_tlbinvf(void)
2760 {
2761         __asm__ __volatile__(
2762                 ".set push\n\t"
2763                 ".set noreorder\n\t"
2764                 _ASM_SET_VIRT
2765                 "tlbginvf\n\t"
2766                 ".set pop");
2767 }
2768 
2769 /*
2770  * Manipulate bits in a register.
2771  */
2772 #define __BUILD_SET_COMMON(name)                                \
2773 static inline unsigned int                                      \
2774 set_##name(unsigned int set)                                    \
2775 {                                                               \
2776         unsigned int res, new;                                  \
2777                                                                 \
2778         res = read_##name();                                    \
2779         new = res | set;                                        \
2780         write_##name(new);                                      \
2781                                                                 \
2782         return res;                                             \
2783 }                                                               \
2784                                                                 \
2785 static inline unsigned int                                      \
2786 clear_##name(unsigned int clear)                                \
2787 {                                                               \
2788         unsigned int res, new;                                  \
2789                                                                 \
2790         res = read_##name();                                    \
2791         new = res & ~clear;                                     \
2792         write_##name(new);                                      \
2793                                                                 \
2794         return res;                                             \
2795 }                                                               \
2796                                                                 \
2797 static inline unsigned int                                      \
2798 change_##name(unsigned int change, unsigned int val)            \
2799 {                                                               \
2800         unsigned int res, new;                                  \
2801                                                                 \
2802         res = read_##name();                                    \
2803         new = res & ~change;                                    \
2804         new |= (val & change);                                  \
2805         write_##name(new);                                      \
2806                                                                 \
2807         return res;                                             \
2808 }
2809 
2810 /*
2811  * Manipulate bits in a c0 register.
2812  */
2813 #define __BUILD_SET_C0(name)    __BUILD_SET_COMMON(c0_##name)
2814 
2815 __BUILD_SET_C0(status)
2816 __BUILD_SET_C0(cause)
2817 __BUILD_SET_C0(config)
2818 __BUILD_SET_C0(config5)
2819 __BUILD_SET_C0(config7)
2820 __BUILD_SET_C0(intcontrol)
2821 __BUILD_SET_C0(intctl)
2822 __BUILD_SET_C0(srsmap)
2823 __BUILD_SET_C0(pagegrain)
2824 __BUILD_SET_C0(guestctl0)
2825 __BUILD_SET_C0(guestctl0ext)
2826 __BUILD_SET_C0(guestctl1)
2827 __BUILD_SET_C0(guestctl2)
2828 __BUILD_SET_C0(guestctl3)
2829 __BUILD_SET_C0(brcm_config_0)
2830 __BUILD_SET_C0(brcm_bus_pll)
2831 __BUILD_SET_C0(brcm_reset)
2832 __BUILD_SET_C0(brcm_cmt_intr)
2833 __BUILD_SET_C0(brcm_cmt_ctrl)
2834 __BUILD_SET_C0(brcm_config)
2835 __BUILD_SET_C0(brcm_mode)
2836 
2837 /*
2838  * Manipulate bits in a guest c0 register.
2839  */
2840 #define __BUILD_SET_GC0(name)   __BUILD_SET_COMMON(gc0_##name)
2841 
2842 __BUILD_SET_GC0(wired)
2843 __BUILD_SET_GC0(status)
2844 __BUILD_SET_GC0(cause)
2845 __BUILD_SET_GC0(ebase)
2846 __BUILD_SET_GC0(config1)
2847 
2848 /*
2849  * Return low 10 bits of ebase.
2850  * Note that under KVM (MIPSVZ) this returns vcpu id.
2851  */
2852 static inline unsigned int get_ebase_cpunum(void)
2853 {
2854         return read_c0_ebase() & MIPS_EBASE_CPUNUM;
2855 }
2856 
2857 #endif /* !__ASSEMBLY__ */
2858 
2859 #endif /* _ASM_MIPSREGS_H */
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root/arch/mips/include/asm/mipsregs.h

INCLUDED FROM

DEFINITIONS
