root/arch/openrisc/include/asm/spr_defs.h

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   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * OpenRISC Linux
   4  *
   5  * SPR Definitions
   6  *
   7  * Copyright (C) 2000 Damjan Lampret
   8  * Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
   9  * Copyright (C) 2008, 2010 Embecosm Limited
  10  * Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
  11  * et al.
  12  *
  13  * This file is part of OpenRISC 1000 Architectural Simulator.
  14  */
  15 
  16 #ifndef SPR_DEFS__H
  17 #define SPR_DEFS__H
  18 
  19 /* Definition of special-purpose registers (SPRs). */
  20 
  21 #define MAX_GRPS (32)
  22 #define MAX_SPRS_PER_GRP_BITS (11)
  23 #define MAX_SPRS_PER_GRP (1 << MAX_SPRS_PER_GRP_BITS)
  24 #define MAX_SPRS (0x10000)
  25 
  26 /* Base addresses for the groups */
  27 #define SPRGROUP_SYS    (0 << MAX_SPRS_PER_GRP_BITS)
  28 #define SPRGROUP_DMMU   (1 << MAX_SPRS_PER_GRP_BITS)
  29 #define SPRGROUP_IMMU   (2 << MAX_SPRS_PER_GRP_BITS)
  30 #define SPRGROUP_DC     (3 << MAX_SPRS_PER_GRP_BITS)
  31 #define SPRGROUP_IC     (4 << MAX_SPRS_PER_GRP_BITS)
  32 #define SPRGROUP_MAC    (5 << MAX_SPRS_PER_GRP_BITS)
  33 #define SPRGROUP_D      (6 << MAX_SPRS_PER_GRP_BITS)
  34 #define SPRGROUP_PC     (7 << MAX_SPRS_PER_GRP_BITS)
  35 #define SPRGROUP_PM     (8 << MAX_SPRS_PER_GRP_BITS)
  36 #define SPRGROUP_PIC    (9 << MAX_SPRS_PER_GRP_BITS)
  37 #define SPRGROUP_TT     (10 << MAX_SPRS_PER_GRP_BITS)
  38 #define SPRGROUP_FP     (11 << MAX_SPRS_PER_GRP_BITS)
  39 
  40 /* System control and status group */
  41 #define SPR_VR          (SPRGROUP_SYS + 0)
  42 #define SPR_UPR         (SPRGROUP_SYS + 1)
  43 #define SPR_CPUCFGR     (SPRGROUP_SYS + 2)
  44 #define SPR_DMMUCFGR    (SPRGROUP_SYS + 3)
  45 #define SPR_IMMUCFGR    (SPRGROUP_SYS + 4)
  46 #define SPR_DCCFGR      (SPRGROUP_SYS + 5)
  47 #define SPR_ICCFGR      (SPRGROUP_SYS + 6)
  48 #define SPR_DCFGR       (SPRGROUP_SYS + 7)
  49 #define SPR_PCCFGR      (SPRGROUP_SYS + 8)
  50 #define SPR_VR2         (SPRGROUP_SYS + 9)
  51 #define SPR_AVR         (SPRGROUP_SYS + 10)
  52 #define SPR_EVBAR       (SPRGROUP_SYS + 11)
  53 #define SPR_AECR        (SPRGROUP_SYS + 12)
  54 #define SPR_AESR        (SPRGROUP_SYS + 13)
  55 #define SPR_NPC         (SPRGROUP_SYS + 16)  /* CZ 21/06/01 */
  56 #define SPR_SR          (SPRGROUP_SYS + 17)  /* CZ 21/06/01 */
  57 #define SPR_PPC         (SPRGROUP_SYS + 18)  /* CZ 21/06/01 */
  58 #define SPR_FPCSR       (SPRGROUP_SYS + 20)  /* CZ 21/06/01 */
  59 #define SPR_EPCR_BASE   (SPRGROUP_SYS + 32)  /* CZ 21/06/01 */
  60 #define SPR_EPCR_LAST   (SPRGROUP_SYS + 47)  /* CZ 21/06/01 */
  61 #define SPR_EEAR_BASE   (SPRGROUP_SYS + 48)
  62 #define SPR_EEAR_LAST   (SPRGROUP_SYS + 63)
  63 #define SPR_ESR_BASE    (SPRGROUP_SYS + 64)
  64 #define SPR_ESR_LAST    (SPRGROUP_SYS + 79)
  65 #define SPR_COREID      (SPRGROUP_SYS + 128)
  66 #define SPR_NUMCORES    (SPRGROUP_SYS + 129)
  67 #define SPR_GPR_BASE    (SPRGROUP_SYS + 1024)
  68 
  69 /* Data MMU group */
  70 #define SPR_DMMUCR      (SPRGROUP_DMMU + 0)
  71 #define SPR_DTLBEIR     (SPRGROUP_DMMU + 2)
  72 #define SPR_DTLBMR_BASE(WAY)    (SPRGROUP_DMMU + 0x200 + (WAY) * 0x100)
  73 #define SPR_DTLBMR_LAST(WAY)    (SPRGROUP_DMMU + 0x27f + (WAY) * 0x100)
  74 #define SPR_DTLBTR_BASE(WAY)    (SPRGROUP_DMMU + 0x280 + (WAY) * 0x100)
  75 #define SPR_DTLBTR_LAST(WAY)    (SPRGROUP_DMMU + 0x2ff + (WAY) * 0x100)
  76 
  77 /* Instruction MMU group */
  78 #define SPR_IMMUCR      (SPRGROUP_IMMU + 0)
  79 #define SPR_ITLBEIR     (SPRGROUP_IMMU + 2)
  80 #define SPR_ITLBMR_BASE(WAY)    (SPRGROUP_IMMU + 0x200 + (WAY) * 0x100)
  81 #define SPR_ITLBMR_LAST(WAY)    (SPRGROUP_IMMU + 0x27f + (WAY) * 0x100)
  82 #define SPR_ITLBTR_BASE(WAY)    (SPRGROUP_IMMU + 0x280 + (WAY) * 0x100)
  83 #define SPR_ITLBTR_LAST(WAY)    (SPRGROUP_IMMU + 0x2ff + (WAY) * 0x100)
  84 
  85 /* Data cache group */
  86 #define SPR_DCCR        (SPRGROUP_DC + 0)
  87 #define SPR_DCBPR       (SPRGROUP_DC + 1)
  88 #define SPR_DCBFR       (SPRGROUP_DC + 2)
  89 #define SPR_DCBIR       (SPRGROUP_DC + 3)
  90 #define SPR_DCBWR       (SPRGROUP_DC + 4)
  91 #define SPR_DCBLR       (SPRGROUP_DC + 5)
  92 #define SPR_DCR_BASE(WAY)       (SPRGROUP_DC + 0x200 + (WAY) * 0x200)
  93 #define SPR_DCR_LAST(WAY)       (SPRGROUP_DC + 0x3ff + (WAY) * 0x200)
  94 
  95 /* Instruction cache group */
  96 #define SPR_ICCR        (SPRGROUP_IC + 0)
  97 #define SPR_ICBPR       (SPRGROUP_IC + 1)
  98 #define SPR_ICBIR       (SPRGROUP_IC + 2)
  99 #define SPR_ICBLR       (SPRGROUP_IC + 3)
 100 #define SPR_ICR_BASE(WAY)       (SPRGROUP_IC + 0x200 + (WAY) * 0x200)
 101 #define SPR_ICR_LAST(WAY)       (SPRGROUP_IC + 0x3ff + (WAY) * 0x200)
 102 
 103 /* MAC group */
 104 #define SPR_MACLO       (SPRGROUP_MAC + 1)
 105 #define SPR_MACHI       (SPRGROUP_MAC + 2)
 106 
 107 /* Debug group */
 108 #define SPR_DVR(N)      (SPRGROUP_D + (N))
 109 #define SPR_DCR(N)      (SPRGROUP_D + 8 + (N))
 110 #define SPR_DMR1        (SPRGROUP_D + 16)
 111 #define SPR_DMR2        (SPRGROUP_D + 17)
 112 #define SPR_DWCR0       (SPRGROUP_D + 18)
 113 #define SPR_DWCR1       (SPRGROUP_D + 19)
 114 #define SPR_DSR         (SPRGROUP_D + 20)
 115 #define SPR_DRR         (SPRGROUP_D + 21)
 116 
 117 /* Performance counters group */
 118 #define SPR_PCCR(N)     (SPRGROUP_PC + (N))
 119 #define SPR_PCMR(N)     (SPRGROUP_PC + 8 + (N))
 120 
 121 /* Power management group */
 122 #define SPR_PMR (SPRGROUP_PM + 0)
 123 
 124 /* PIC group */
 125 #define SPR_PICMR (SPRGROUP_PIC + 0)
 126 #define SPR_PICPR (SPRGROUP_PIC + 1)
 127 #define SPR_PICSR (SPRGROUP_PIC + 2)
 128 
 129 /* Tick Timer group */
 130 #define SPR_TTMR (SPRGROUP_TT + 0)
 131 #define SPR_TTCR (SPRGROUP_TT + 1)
 132 
 133 /*
 134  * Bit definitions for the Version Register
 135  *
 136  */
 137 #define SPR_VR_VER      0xff000000  /* Processor version */
 138 #define SPR_VR_CFG      0x00ff0000  /* Processor configuration */
 139 #define SPR_VR_RES      0x0000ffc0  /* Reserved */
 140 #define SPR_VR_REV      0x0000003f  /* Processor revision */
 141 #define SPR_VR_UVRP     0x00000040  /* Updated Version Registers Present */
 142 
 143 #define SPR_VR_VER_OFF  24
 144 #define SPR_VR_CFG_OFF  16
 145 #define SPR_VR_REV_OFF  0
 146 
 147 /*
 148  * Bit definitions for the Version Register 2
 149  */
 150 #define SPR_VR2_CPUID   0xff000000  /* Processor ID */
 151 #define SPR_VR2_VER     0x00ffffff  /* Processor version */
 152 
 153 /*
 154  * Bit definitions for the Unit Present Register
 155  *
 156  */
 157 #define SPR_UPR_UP         0x00000001  /* UPR present */
 158 #define SPR_UPR_DCP        0x00000002  /* Data cache present */
 159 #define SPR_UPR_ICP        0x00000004  /* Instruction cache present */
 160 #define SPR_UPR_DMP        0x00000008  /* Data MMU present */
 161 #define SPR_UPR_IMP        0x00000010  /* Instruction MMU present */
 162 #define SPR_UPR_MP         0x00000020  /* MAC present */
 163 #define SPR_UPR_DUP        0x00000040  /* Debug unit present */
 164 #define SPR_UPR_PCUP       0x00000080  /* Performance counters unit present */
 165 #define SPR_UPR_PICP       0x00000100  /* PIC present */
 166 #define SPR_UPR_PMP        0x00000200  /* Power management present */
 167 #define SPR_UPR_TTP        0x00000400  /* Tick timer present */
 168 #define SPR_UPR_RES        0x00fe0000  /* Reserved */
 169 #define SPR_UPR_CUP        0xff000000  /* Context units present */
 170 
 171 /*
 172  * JPB: Bit definitions for the CPU configuration register
 173  *
 174  */
 175 #define SPR_CPUCFGR_NSGF   0x0000000f  /* Number of shadow GPR files */
 176 #define SPR_CPUCFGR_CGF    0x00000010  /* Custom GPR file */
 177 #define SPR_CPUCFGR_OB32S  0x00000020  /* ORBIS32 supported */
 178 #define SPR_CPUCFGR_OB64S  0x00000040  /* ORBIS64 supported */
 179 #define SPR_CPUCFGR_OF32S  0x00000080  /* ORFPX32 supported */
 180 #define SPR_CPUCFGR_OF64S  0x00000100  /* ORFPX64 supported */
 181 #define SPR_CPUCFGR_OV64S  0x00000200  /* ORVDX64 supported */
 182 #define SPR_CPUCFGR_RES    0xfffffc00  /* Reserved */
 183 
 184 /*
 185  * JPB: Bit definitions for the Debug configuration register and other
 186  * constants.
 187  *
 188  */
 189 
 190 #define SPR_DCFGR_NDP      0x00000007  /* Number of matchpoints mask */
 191 #define SPR_DCFGR_NDP1     0x00000000  /* One matchpoint supported */
 192 #define SPR_DCFGR_NDP2     0x00000001  /* Two matchpoints supported */
 193 #define SPR_DCFGR_NDP3     0x00000002  /* Three matchpoints supported */
 194 #define SPR_DCFGR_NDP4     0x00000003  /* Four matchpoints supported */
 195 #define SPR_DCFGR_NDP5     0x00000004  /* Five matchpoints supported */
 196 #define SPR_DCFGR_NDP6     0x00000005  /* Six matchpoints supported */
 197 #define SPR_DCFGR_NDP7     0x00000006  /* Seven matchpoints supported */
 198 #define SPR_DCFGR_NDP8     0x00000007  /* Eight matchpoints supported */
 199 #define SPR_DCFGR_WPCI     0x00000008  /* Watchpoint counters implemented */
 200 
 201 #define MATCHPOINTS_TO_NDP(n) (1 == n ? SPR_DCFGR_NDP1 : \
 202                                2 == n ? SPR_DCFGR_NDP2 : \
 203                                3 == n ? SPR_DCFGR_NDP3 : \
 204                                4 == n ? SPR_DCFGR_NDP4 : \
 205                                5 == n ? SPR_DCFGR_NDP5 : \
 206                                6 == n ? SPR_DCFGR_NDP6 : \
 207                                7 == n ? SPR_DCFGR_NDP7 : SPR_DCFGR_NDP8)
 208 #define MAX_MATCHPOINTS  8
 209 #define MAX_WATCHPOINTS  (MAX_MATCHPOINTS + 2)
 210 
 211 /*
 212  * Bit definitions for the Supervision Register
 213  *
 214  */
 215 #define SPR_SR_SM          0x00000001  /* Supervisor Mode */
 216 #define SPR_SR_TEE         0x00000002  /* Tick timer Exception Enable */
 217 #define SPR_SR_IEE         0x00000004  /* Interrupt Exception Enable */
 218 #define SPR_SR_DCE         0x00000008  /* Data Cache Enable */
 219 #define SPR_SR_ICE         0x00000010  /* Instruction Cache Enable */
 220 #define SPR_SR_DME         0x00000020  /* Data MMU Enable */
 221 #define SPR_SR_IME         0x00000040  /* Instruction MMU Enable */
 222 #define SPR_SR_LEE         0x00000080  /* Little Endian Enable */
 223 #define SPR_SR_CE          0x00000100  /* CID Enable */
 224 #define SPR_SR_F           0x00000200  /* Condition Flag */
 225 #define SPR_SR_CY          0x00000400  /* Carry flag */
 226 #define SPR_SR_OV          0x00000800  /* Overflow flag */
 227 #define SPR_SR_OVE         0x00001000  /* Overflow flag Exception */
 228 #define SPR_SR_DSX         0x00002000  /* Delay Slot Exception */
 229 #define SPR_SR_EPH         0x00004000  /* Exception Prefix High */
 230 #define SPR_SR_FO          0x00008000  /* Fixed one */
 231 #define SPR_SR_SUMRA       0x00010000  /* Supervisor SPR read access */
 232 #define SPR_SR_RES         0x0ffe0000  /* Reserved */
 233 #define SPR_SR_CID         0xf0000000  /* Context ID */
 234 
 235 /*
 236  * Bit definitions for the Data MMU Control Register
 237  *
 238  */
 239 #define SPR_DMMUCR_P2S     0x0000003e  /* Level 2 Page Size */
 240 #define SPR_DMMUCR_P1S     0x000007c0  /* Level 1 Page Size */
 241 #define SPR_DMMUCR_VADDR_WIDTH  0x0000f800  /* Virtual ADDR Width */
 242 #define SPR_DMMUCR_PADDR_WIDTH  0x000f0000  /* Physical ADDR Width */
 243 
 244 /*
 245  * Bit definitions for the Instruction MMU Control Register
 246  *
 247  */
 248 #define SPR_IMMUCR_P2S     0x0000003e  /* Level 2 Page Size */
 249 #define SPR_IMMUCR_P1S     0x000007c0  /* Level 1 Page Size */
 250 #define SPR_IMMUCR_VADDR_WIDTH  0x0000f800  /* Virtual ADDR Width */
 251 #define SPR_IMMUCR_PADDR_WIDTH  0x000f0000  /* Physical ADDR Width */
 252 
 253 /*
 254  * Bit definitions for the Data TLB Match Register
 255  *
 256  */
 257 #define SPR_DTLBMR_V       0x00000001  /* Valid */
 258 #define SPR_DTLBMR_PL1     0x00000002  /* Page Level 1 (if 0 then PL2) */
 259 #define SPR_DTLBMR_CID     0x0000003c  /* Context ID */
 260 #define SPR_DTLBMR_LRU     0x000000c0  /* Least Recently Used */
 261 #define SPR_DTLBMR_VPN     0xfffff000  /* Virtual Page Number */
 262 
 263 /*
 264  * Bit definitions for the Data TLB Translate Register
 265  *
 266  */
 267 #define SPR_DTLBTR_CC      0x00000001  /* Cache Coherency */
 268 #define SPR_DTLBTR_CI      0x00000002  /* Cache Inhibit */
 269 #define SPR_DTLBTR_WBC     0x00000004  /* Write-Back Cache */
 270 #define SPR_DTLBTR_WOM     0x00000008  /* Weakly-Ordered Memory */
 271 #define SPR_DTLBTR_A       0x00000010  /* Accessed */
 272 #define SPR_DTLBTR_D       0x00000020  /* Dirty */
 273 #define SPR_DTLBTR_URE     0x00000040  /* User Read Enable */
 274 #define SPR_DTLBTR_UWE     0x00000080  /* User Write Enable */
 275 #define SPR_DTLBTR_SRE     0x00000100  /* Supervisor Read Enable */
 276 #define SPR_DTLBTR_SWE     0x00000200  /* Supervisor Write Enable */
 277 #define SPR_DTLBTR_PPN     0xfffff000  /* Physical Page Number */
 278 
 279 /*
 280  * Bit definitions for the Instruction TLB Match Register
 281  *
 282  */
 283 #define SPR_ITLBMR_V       0x00000001  /* Valid */
 284 #define SPR_ITLBMR_PL1     0x00000002  /* Page Level 1 (if 0 then PL2) */
 285 #define SPR_ITLBMR_CID     0x0000003c  /* Context ID */
 286 #define SPR_ITLBMR_LRU     0x000000c0  /* Least Recently Used */
 287 #define SPR_ITLBMR_VPN     0xfffff000  /* Virtual Page Number */
 288 
 289 /*
 290  * Bit definitions for the Instruction TLB Translate Register
 291  *
 292  */
 293 #define SPR_ITLBTR_CC      0x00000001  /* Cache Coherency */
 294 #define SPR_ITLBTR_CI      0x00000002  /* Cache Inhibit */
 295 #define SPR_ITLBTR_WBC     0x00000004  /* Write-Back Cache */
 296 #define SPR_ITLBTR_WOM     0x00000008  /* Weakly-Ordered Memory */
 297 #define SPR_ITLBTR_A       0x00000010  /* Accessed */
 298 #define SPR_ITLBTR_D       0x00000020  /* Dirty */
 299 #define SPR_ITLBTR_SXE     0x00000040  /* User Read Enable */
 300 #define SPR_ITLBTR_UXE     0x00000080  /* User Write Enable */
 301 #define SPR_ITLBTR_PPN     0xfffff000  /* Physical Page Number */
 302 
 303 /*
 304  * Bit definitions for Data Cache Control register
 305  *
 306  */
 307 #define SPR_DCCR_EW        0x000000ff  /* Enable ways */
 308 
 309 /*
 310  * Bit definitions for Insn Cache Control register
 311  *
 312  */
 313 #define SPR_ICCR_EW        0x000000ff  /* Enable ways */
 314 
 315 /*
 316  * Bit definitions for Data Cache Configuration Register
 317  *
 318  */
 319 
 320 #define SPR_DCCFGR_NCW          0x00000007
 321 #define SPR_DCCFGR_NCS          0x00000078
 322 #define SPR_DCCFGR_CBS          0x00000080
 323 #define SPR_DCCFGR_CWS          0x00000100
 324 #define SPR_DCCFGR_CCRI         0x00000200
 325 #define SPR_DCCFGR_CBIRI        0x00000400
 326 #define SPR_DCCFGR_CBPRI        0x00000800
 327 #define SPR_DCCFGR_CBLRI        0x00001000
 328 #define SPR_DCCFGR_CBFRI        0x00002000
 329 #define SPR_DCCFGR_CBWBRI       0x00004000
 330 
 331 #define SPR_DCCFGR_NCW_OFF      0
 332 #define SPR_DCCFGR_NCS_OFF      3
 333 #define SPR_DCCFGR_CBS_OFF      7
 334 
 335 /*
 336  * Bit definitions for Instruction Cache Configuration Register
 337  *
 338  */
 339 #define SPR_ICCFGR_NCW          0x00000007
 340 #define SPR_ICCFGR_NCS          0x00000078
 341 #define SPR_ICCFGR_CBS          0x00000080
 342 #define SPR_ICCFGR_CCRI         0x00000200
 343 #define SPR_ICCFGR_CBIRI        0x00000400
 344 #define SPR_ICCFGR_CBPRI        0x00000800
 345 #define SPR_ICCFGR_CBLRI        0x00001000
 346 
 347 #define SPR_ICCFGR_NCW_OFF      0
 348 #define SPR_ICCFGR_NCS_OFF      3
 349 #define SPR_ICCFGR_CBS_OFF      7
 350 
 351 /*
 352  * Bit definitions for Data MMU Configuration Register
 353  *
 354  */
 355 
 356 #define SPR_DMMUCFGR_NTW        0x00000003
 357 #define SPR_DMMUCFGR_NTS        0x0000001C
 358 #define SPR_DMMUCFGR_NAE        0x000000E0
 359 #define SPR_DMMUCFGR_CRI        0x00000100
 360 #define SPR_DMMUCFGR_PRI        0x00000200
 361 #define SPR_DMMUCFGR_TEIRI      0x00000400
 362 #define SPR_DMMUCFGR_HTR        0x00000800
 363 
 364 #define SPR_DMMUCFGR_NTW_OFF    0
 365 #define SPR_DMMUCFGR_NTS_OFF    2
 366 
 367 /*
 368  * Bit definitions for Instruction MMU Configuration Register
 369  *
 370  */
 371 
 372 #define SPR_IMMUCFGR_NTW        0x00000003
 373 #define SPR_IMMUCFGR_NTS        0x0000001C
 374 #define SPR_IMMUCFGR_NAE        0x000000E0
 375 #define SPR_IMMUCFGR_CRI        0x00000100
 376 #define SPR_IMMUCFGR_PRI        0x00000200
 377 #define SPR_IMMUCFGR_TEIRI      0x00000400
 378 #define SPR_IMMUCFGR_HTR        0x00000800
 379 
 380 #define SPR_IMMUCFGR_NTW_OFF    0
 381 #define SPR_IMMUCFGR_NTS_OFF    2
 382 
 383 /*
 384  * Bit definitions for Debug Control registers
 385  *
 386  */
 387 #define SPR_DCR_DP      0x00000001  /* DVR/DCR present */
 388 #define SPR_DCR_CC      0x0000000e  /* Compare condition */
 389 #define SPR_DCR_SC      0x00000010  /* Signed compare */
 390 #define SPR_DCR_CT      0x000000e0  /* Compare to */
 391 
 392 /* Bit results with SPR_DCR_CC mask */
 393 #define SPR_DCR_CC_MASKED 0x00000000
 394 #define SPR_DCR_CC_EQUAL  0x00000002
 395 #define SPR_DCR_CC_LESS   0x00000004
 396 #define SPR_DCR_CC_LESSE  0x00000006
 397 #define SPR_DCR_CC_GREAT  0x00000008
 398 #define SPR_DCR_CC_GREATE 0x0000000a
 399 #define SPR_DCR_CC_NEQUAL 0x0000000c
 400 
 401 /* Bit results with SPR_DCR_CT mask */
 402 #define SPR_DCR_CT_DISABLED 0x00000000
 403 #define SPR_DCR_CT_IFEA     0x00000020
 404 #define SPR_DCR_CT_LEA      0x00000040
 405 #define SPR_DCR_CT_SEA      0x00000060
 406 #define SPR_DCR_CT_LD       0x00000080
 407 #define SPR_DCR_CT_SD       0x000000a0
 408 #define SPR_DCR_CT_LSEA     0x000000c0
 409 #define SPR_DCR_CT_LSD      0x000000e0
 410 /* SPR_DCR_CT_LSD doesn't seem to be implemented anywhere in or1ksim. 2004-1-30 HP */
 411 
 412 /*
 413  * Bit definitions for Debug Mode 1 register
 414  *
 415  */
 416 #define SPR_DMR1_CW       0x000fffff  /* Chain register pair data */
 417 #define SPR_DMR1_CW0_AND  0x00000001
 418 #define SPR_DMR1_CW0_OR   0x00000002
 419 #define SPR_DMR1_CW0      (SPR_DMR1_CW0_AND | SPR_DMR1_CW0_OR)
 420 #define SPR_DMR1_CW1_AND  0x00000004
 421 #define SPR_DMR1_CW1_OR   0x00000008
 422 #define SPR_DMR1_CW1      (SPR_DMR1_CW1_AND | SPR_DMR1_CW1_OR)
 423 #define SPR_DMR1_CW2_AND  0x00000010
 424 #define SPR_DMR1_CW2_OR   0x00000020
 425 #define SPR_DMR1_CW2      (SPR_DMR1_CW2_AND | SPR_DMR1_CW2_OR)
 426 #define SPR_DMR1_CW3_AND  0x00000040
 427 #define SPR_DMR1_CW3_OR   0x00000080
 428 #define SPR_DMR1_CW3      (SPR_DMR1_CW3_AND | SPR_DMR1_CW3_OR)
 429 #define SPR_DMR1_CW4_AND  0x00000100
 430 #define SPR_DMR1_CW4_OR   0x00000200
 431 #define SPR_DMR1_CW4      (SPR_DMR1_CW4_AND | SPR_DMR1_CW4_OR)
 432 #define SPR_DMR1_CW5_AND  0x00000400
 433 #define SPR_DMR1_CW5_OR   0x00000800
 434 #define SPR_DMR1_CW5      (SPR_DMR1_CW5_AND | SPR_DMR1_CW5_OR)
 435 #define SPR_DMR1_CW6_AND  0x00001000
 436 #define SPR_DMR1_CW6_OR   0x00002000
 437 #define SPR_DMR1_CW6      (SPR_DMR1_CW6_AND | SPR_DMR1_CW6_OR)
 438 #define SPR_DMR1_CW7_AND  0x00004000
 439 #define SPR_DMR1_CW7_OR   0x00008000
 440 #define SPR_DMR1_CW7      (SPR_DMR1_CW7_AND | SPR_DMR1_CW7_OR)
 441 #define SPR_DMR1_CW8_AND  0x00010000
 442 #define SPR_DMR1_CW8_OR   0x00020000
 443 #define SPR_DMR1_CW8      (SPR_DMR1_CW8_AND | SPR_DMR1_CW8_OR)
 444 #define SPR_DMR1_CW9_AND  0x00040000
 445 #define SPR_DMR1_CW9_OR   0x00080000
 446 #define SPR_DMR1_CW9      (SPR_DMR1_CW9_AND | SPR_DMR1_CW9_OR)
 447 #define SPR_DMR1_RES1      0x00300000  /* Reserved */
 448 #define SPR_DMR1_ST       0x00400000  /* Single-step trace*/
 449 #define SPR_DMR1_BT       0x00800000  /* Branch trace */
 450 #define SPR_DMR1_RES2     0xff000000  /* Reserved */
 451 
 452 /*
 453  * Bit definitions for Debug Mode 2 register. AWTC and WGB corrected by JPB
 454  *
 455  */
 456 #define SPR_DMR2_WCE0      0x00000001  /* Watchpoint counter 0 enable */
 457 #define SPR_DMR2_WCE1      0x00000002  /* Watchpoint counter 0 enable */
 458 #define SPR_DMR2_AWTC      0x00000ffc  /* Assign watchpoints to counters */
 459 #define SPR_DMR2_AWTC_OFF           2  /* Bit offset to AWTC field */
 460 #define SPR_DMR2_WGB       0x003ff000  /* Watchpoints generating breakpoint */
 461 #define SPR_DMR2_WGB_OFF           12  /* Bit offset to WGB field */
 462 #define SPR_DMR2_WBS       0xffc00000  /* JPB: Watchpoint status */
 463 #define SPR_DMR2_WBS_OFF           22  /* Bit offset to WBS field */
 464 
 465 /*
 466  * Bit definitions for Debug watchpoint counter registers
 467  *
 468  */
 469 #define SPR_DWCR_COUNT      0x0000ffff  /* Count */
 470 #define SPR_DWCR_MATCH      0xffff0000  /* Match */
 471 #define SPR_DWCR_MATCH_OFF          16  /* Match bit offset */
 472 
 473 /*
 474  * Bit definitions for Debug stop register
 475  *
 476  */
 477 #define SPR_DSR_RSTE    0x00000001  /* Reset exception */
 478 #define SPR_DSR_BUSEE   0x00000002  /* Bus error exception */
 479 #define SPR_DSR_DPFE    0x00000004  /* Data Page Fault exception */
 480 #define SPR_DSR_IPFE    0x00000008  /* Insn Page Fault exception */
 481 #define SPR_DSR_TTE     0x00000010  /* Tick Timer exception */
 482 #define SPR_DSR_AE      0x00000020  /* Alignment exception */
 483 #define SPR_DSR_IIE     0x00000040  /* Illegal Instruction exception */
 484 #define SPR_DSR_IE      0x00000080  /* Interrupt exception */
 485 #define SPR_DSR_DME     0x00000100  /* DTLB miss exception */
 486 #define SPR_DSR_IME     0x00000200  /* ITLB miss exception */
 487 #define SPR_DSR_RE      0x00000400  /* Range exception */
 488 #define SPR_DSR_SCE     0x00000800  /* System call exception */
 489 #define SPR_DSR_FPE     0x00001000  /* Floating Point Exception */
 490 #define SPR_DSR_TE      0x00002000  /* Trap exception */
 491 
 492 /*
 493  * Bit definitions for Debug reason register
 494  *
 495  */
 496 #define SPR_DRR_RSTE    0x00000001  /* Reset exception */
 497 #define SPR_DRR_BUSEE   0x00000002  /* Bus error exception */
 498 #define SPR_DRR_DPFE    0x00000004  /* Data Page Fault exception */
 499 #define SPR_DRR_IPFE    0x00000008  /* Insn Page Fault exception */
 500 #define SPR_DRR_TTE     0x00000010  /* Tick Timer exception */
 501 #define SPR_DRR_AE      0x00000020  /* Alignment exception */
 502 #define SPR_DRR_IIE     0x00000040  /* Illegal Instruction exception */
 503 #define SPR_DRR_IE      0x00000080  /* Interrupt exception */
 504 #define SPR_DRR_DME     0x00000100  /* DTLB miss exception */
 505 #define SPR_DRR_IME     0x00000200  /* ITLB miss exception */
 506 #define SPR_DRR_RE      0x00000400  /* Range exception */
 507 #define SPR_DRR_SCE     0x00000800  /* System call exception */
 508 #define SPR_DRR_FPE     0x00001000  /* Floating Point Exception */
 509 #define SPR_DRR_TE      0x00002000  /* Trap exception */
 510 
 511 /*
 512  * Bit definitions for Performance counters mode registers
 513  *
 514  */
 515 #define SPR_PCMR_CP     0x00000001  /* Counter present */
 516 #define SPR_PCMR_UMRA   0x00000002  /* User mode read access */
 517 #define SPR_PCMR_CISM   0x00000004  /* Count in supervisor mode */
 518 #define SPR_PCMR_CIUM   0x00000008  /* Count in user mode */
 519 #define SPR_PCMR_LA     0x00000010  /* Load access event */
 520 #define SPR_PCMR_SA     0x00000020  /* Store access event */
 521 #define SPR_PCMR_IF     0x00000040  /* Instruction fetch event*/
 522 #define SPR_PCMR_DCM    0x00000080  /* Data cache miss event */
 523 #define SPR_PCMR_ICM    0x00000100  /* Insn cache miss event */
 524 #define SPR_PCMR_IFS    0x00000200  /* Insn fetch stall event */
 525 #define SPR_PCMR_LSUS   0x00000400  /* LSU stall event */
 526 #define SPR_PCMR_BS     0x00000800  /* Branch stall event */
 527 #define SPR_PCMR_DTLBM  0x00001000  /* DTLB miss event */
 528 #define SPR_PCMR_ITLBM  0x00002000  /* ITLB miss event */
 529 #define SPR_PCMR_DDS    0x00004000  /* Data dependency stall event */
 530 #define SPR_PCMR_WPE    0x03ff8000  /* Watchpoint events */
 531 
 532 /*
 533  * Bit definitions for the Power management register
 534  *
 535  */
 536 #define SPR_PMR_SDF     0x0000000f  /* Slow down factor */
 537 #define SPR_PMR_DME     0x00000010  /* Doze mode enable */
 538 #define SPR_PMR_SME     0x00000020  /* Sleep mode enable */
 539 #define SPR_PMR_DCGE    0x00000040  /* Dynamic clock gating enable */
 540 #define SPR_PMR_SUME    0x00000080  /* Suspend mode enable */
 541 
 542 /*
 543  * Bit definitions for PICMR
 544  *
 545  */
 546 #define SPR_PICMR_IUM   0xfffffffc  /* Interrupt unmask */
 547 
 548 /*
 549  * Bit definitions for PICPR
 550  *
 551  */
 552 #define SPR_PICPR_IPRIO 0xfffffffc  /* Interrupt priority */
 553 
 554 /*
 555  * Bit definitions for PICSR
 556  *
 557  */
 558 #define SPR_PICSR_IS    0xffffffff  /* Interrupt status */
 559 
 560 /*
 561  * Bit definitions for Tick Timer Control Register
 562  *
 563  */
 564 
 565 #define SPR_TTCR_CNT    0xffffffff  /* Count, time period */
 566 #define SPR_TTMR_TP     0x0fffffff  /* Time period */
 567 #define SPR_TTMR_IP     0x10000000  /* Interrupt Pending */
 568 #define SPR_TTMR_IE     0x20000000  /* Interrupt Enable */
 569 #define SPR_TTMR_DI     0x00000000  /* Disabled */
 570 #define SPR_TTMR_RT     0x40000000  /* Restart tick */
 571 #define SPR_TTMR_SR     0x80000000  /* Single run */
 572 #define SPR_TTMR_CR     0xc0000000  /* Continuous run */
 573 #define SPR_TTMR_M      0xc0000000  /* Tick mode */
 574 
 575 /*
 576  * Bit definitions for the FP Control Status Register
 577  *
 578  */
 579 #define SPR_FPCSR_FPEE  0x00000001  /* Floating Point Exception Enable */
 580 #define SPR_FPCSR_RM    0x00000006  /* Rounding Mode */
 581 #define SPR_FPCSR_OVF   0x00000008  /* Overflow Flag */
 582 #define SPR_FPCSR_UNF   0x00000010  /* Underflow Flag */
 583 #define SPR_FPCSR_SNF   0x00000020  /* SNAN Flag */
 584 #define SPR_FPCSR_QNF   0x00000040  /* QNAN Flag */
 585 #define SPR_FPCSR_ZF    0x00000080  /* Zero Flag */
 586 #define SPR_FPCSR_IXF   0x00000100  /* Inexact Flag */
 587 #define SPR_FPCSR_IVF   0x00000200  /* Invalid Flag */
 588 #define SPR_FPCSR_INF   0x00000400  /* Infinity Flag */
 589 #define SPR_FPCSR_DZF   0x00000800  /* Divide By Zero Flag */
 590 #define SPR_FPCSR_ALLF (SPR_FPCSR_OVF | SPR_FPCSR_UNF | SPR_FPCSR_SNF | \
 591                         SPR_FPCSR_QNF | SPR_FPCSR_ZF | SPR_FPCSR_IXF |  \
 592                         SPR_FPCSR_IVF | SPR_FPCSR_INF | SPR_FPCSR_DZF)
 593 
 594 #define FPCSR_RM_RN (0<<1)
 595 #define FPCSR_RM_RZ (1<<1)
 596 #define FPCSR_RM_RIP (2<<1)
 597 #define FPCSR_RM_RIN (3<<1)
 598 
 599 /*
 600  * l.nop constants
 601  *
 602  */
 603 #define NOP_NOP          0x0000      /* Normal nop instruction */
 604 #define NOP_EXIT         0x0001      /* End of simulation */
 605 #define NOP_REPORT       0x0002      /* Simple report */
 606 /*#define NOP_PRINTF       0x0003       Simprintf instruction (obsolete)*/
 607 #define NOP_PUTC         0x0004      /* JPB: Simputc instruction */
 608 #define NOP_CNT_RESET    0x0005      /* Reset statistics counters */
 609 #define NOP_GET_TICKS    0x0006      /* JPB: Get # ticks running */
 610 #define NOP_GET_PS       0x0007      /* JPB: Get picosecs/cycle */
 611 #define NOP_REPORT_FIRST 0x0400      /* Report with number */
 612 #define NOP_REPORT_LAST  0x03ff      /* Report with number */
 613 
 614 #endif  /* SPR_DEFS__H */
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