mipsNN.h revision 1.14
1 /* $NetBSD: mipsNN.h,v 1.14 2023/05/06 21:53:26 andvar Exp $ */ 2 3 /* 4 * Copyright 2000, 2001 5 * Broadcom Corporation. All rights reserved. 6 * 7 * This software is furnished under license and may be used and copied only 8 * in accordance with the following terms and conditions. Subject to these 9 * conditions, you may download, copy, install, use, modify and distribute 10 * modified or unmodified copies of this software in source and/or binary 11 * form. No title or ownership is transferred hereby. 12 * 13 * 1) Any source code used, modified or distributed must reproduce and 14 * retain this copyright notice and list of conditions as they appear in 15 * the source file. 16 * 17 * 2) No right is granted to use any trade name, trademark, or logo of 18 * Broadcom Corporation. The "Broadcom Corporation" name may not be 19 * used to endorse or promote products derived from this software 20 * without the prior written permission of Broadcom Corporation. 21 * 22 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED 23 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF 24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR 25 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE 26 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE 27 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 32 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 /* 36 * Values related to the MIPS32/MIPS64 Privileged Resource Architecture. 37 */ 38 39 #define _MIPSNN_SHIFT(reg) __MIPSNN_SHIFT(reg) 40 #define __MIPSNN_SHIFT(reg) MIPSNN_ ## reg ## _SHIFT 41 #define _MIPSNN_MASK(reg) __MIPSNN_MASK(reg) 42 #define __MIPSNN_MASK(reg) MIPSNN_ ## reg ## _MASK 43 44 #define MIPSNN_GET(reg, x) \ 45 ((unsigned)((x) & _MIPSNN_MASK(reg)) >> _MIPSNN_SHIFT(reg)) 46 #define MIPSNN_PUT(reg, val) \ 47 (((x) << _MIPSNN_SHIFT(reg)) & _MIPSNN_MASK(reg)) 48 49 /* 50 * Values in Configuration Register (CP0 Register 16, Select 0) 51 */ 52 53 /* "M" (R): Configuration Register 1 present if set. Defined as always set. */ 54 #define MIPSNN_CFG_M 0x80000000 55 56 /* Reserved for CPU implementations. */ 57 // reserved 0x7fff0000 58 59 /* "BE" (R): Big endian if set, little endian if clear. */ 60 #define MIPSNN_CFG_BE 0x00008000 61 62 /* "AT" (R): architecture type implemented by processor */ 63 #define MIPSNN_CFG_AT_MASK 0x00006000 64 #define MIPSNN_CFG_AT_SHIFT 13 65 66 #define MIPSNN_CFG_AT_MIPS32 0 /* MIPS32 */ 67 #define MIPSNN_CFG_AT_MIPS64S 1 /* MIPS64S */ 68 #define MIPSNN_CFG_AT_MIPS64 2 /* MIPS64 */ 69 // reserved 3 70 71 /* "AR" (R): Architecture revision level implemented by proc. */ 72 #define MIPSNN_CFG_AR_MASK 0x00001c00 73 #define MIPSNN_CFG_AR_SHIFT 10 74 75 #define MIPSNN_CFG_AR_REV1 0 /* Revision 1 */ 76 #define MIPSNN_CFG_AR_REV2 1 /* Revision 2 */ 77 // reserved other values 78 79 /* "MT" (R): MMU type implemented by processor */ 80 #define MIPSNN_CFG_MT_MASK 0x00000380 81 #define MIPSNN_CFG_MT_SHIFT 7 82 83 #define MIPSNN_CFG_MT_NONE 0 /* No MMU */ 84 #define MIPSNN_CFG_MT_TLB 1 /* Std TLB */ 85 #define MIPSNN_CFG_MT_BAT 2 /* Std BAT */ 86 #define MIPSNN_CFG_MT_FIXED 3 /* Std Fixed mapping */ 87 // reserved other values 88 89 /* Reserved. Write as 0, reads as 0. */ 90 // reserved 0x00000070 91 92 /* "M" (R): Virtual instruction cache if set. */ 93 #define MIPSNN_CFG_VI 0x00000008 94 95 /* "K0" (RW): Kseg0 coherency algorithm. (values are TLB_ATTRs) */ 96 #define MIPSNN_CFG_K0_MASK 0x00000007 97 #define MIPSNN_CFG_K0_SHIFT 0 98 99 100 /* 101 * Values in Configuration Register 1 (CP0 Register 16, Select 1) 102 */ 103 104 /* M (R): Configuration Register 2 present. */ 105 #define MIPSNN_CFG1_M 0x80000000 106 107 /* MS (R): Number of TLB entries - 1. */ 108 #define MIPSNN_CFG1_MS_MASK 0x7e000000 109 #define MIPSNN_CFG1_MS_SHIFT 25 110 111 #define MIPSNN_CFG1_MS(x) (MIPSNN_GET(CFG1_MS, (x)) + 1) 112 113 /* "IS" (R): (Primary) I-cache sets per way. */ 114 #define MIPSNN_CFG1_IS_MASK 0x01c00000 115 #define MIPSNN_CFG1_IS_SHIFT 22 116 117 #define MIPSNN_CFG1_IS_RSVD 7 /* rsvd value, otherwise: */ 118 #define MIPSNN_CFG1_IS(x) (64 << MIPSNN_GET(CFG1_IS, (x))) 119 120 /* "IL" (R): (Primary) I-cache line size. */ 121 #define MIPSNN_CFG1_IL_MASK 0x00380000 122 #define MIPSNN_CFG1_IL_SHIFT 19 123 124 #define MIPSNN_CFG1_IL_NONE 0 /* No I-cache, */ 125 #define MIPSNN_CFG1_IL_RSVD 7 /* rsvd value, otherwise: */ 126 #define MIPSNN_CFG1_IL(x) (2 << MIPSNN_GET(CFG1_IL, (x))) 127 128 /* "IA" (R): (Primary) I-cache associativity (ways - 1). */ 129 #define MIPSNN_CFG1_IA_MASK 0x00070000 130 #define MIPSNN_CFG1_IA_SHIFT 16 131 132 #define MIPSNN_CFG1_IA(x) MIPSNN_GET(CFG1_IA, (x)) 133 134 /* "DS" (R): (Primary) D-cache sets per way. */ 135 #define MIPSNN_CFG1_DS_MASK 0x0000e000 136 #define MIPSNN_CFG1_DS_SHIFT 13 137 138 #define MIPSNN_CFG1_DS_RSVD 7 /* rsvd value, otherwise: */ 139 #define MIPSNN_CFG1_DS(x) (64 << MIPSNN_GET(CFG1_DS, (x))) 140 141 /* "DL" (R): (Primary) D-cache line size. */ 142 #define MIPSNN_CFG1_DL_MASK 0x00001c00 143 #define MIPSNN_CFG1_DL_SHIFT 10 144 145 #define MIPSNN_CFG1_DL_NONE 0 /* No D-cache, */ 146 #define MIPSNN_CFG1_DL_RSVD 7 /* rsvd value, otherwise: */ 147 #define MIPSNN_CFG1_DL(x) (2 << MIPSNN_GET(CFG1_DL, (x))) 148 149 /* "DA" (R): (Primary) D-cache associativity (ways - 1). */ 150 #define MIPSNN_CFG1_DA_MASK 0x00000380 151 #define MIPSNN_CFG1_DA_SHIFT 7 152 153 #define MIPSNN_CFG1_DA(x) MIPSNN_GET(CFG1_DA, (x)) 154 155 /* "C2" (R): Coprocessor 2 implemented if set. */ 156 #define MIPSNN_CFG1_C2 0x00000040 157 158 /* "MD" (R): MDMX ASE implemented if set. */ 159 #define MIPSNN_CFG1_MD 0x00000020 160 161 /* "PC" (R): Performance Counters implemented if set. */ 162 #define MIPSNN_CFG1_PC 0x00000010 163 164 /* "WR" (R): Watch registers implemented if set. */ 165 #define MIPSNN_CFG1_WR 0x00000008 166 167 /* "CA" (R): Code compressiong (MIPS16) implemented if set. */ 168 #define MIPSNN_CFG1_CA 0x00000004 169 170 /* "EP" (R): EJTAG implemented if set. */ 171 #define MIPSNN_CFG1_EP 0x00000002 172 173 /* "FP" (R): FPU implemented if set. */ 174 #define MIPSNN_CFG1_FP 0x00000001 175 176 /* 177 * Values in Configuration Register 2 (CP0 Register 16, Select 2) 178 */ 179 180 /* "M" (R): Configuration Register 3 present. */ 181 #define MIPSNN_CFG2_M 0x80000000 182 183 /* "TU" (RW): Implementation specific tertiary cache status and control. */ 184 #define MIPSNN_CFG2_TU_MASK 0x70000000 185 #define MIPSNN_CFG2_TU_SHIFT 28 186 187 /* "TS" (R): Tertiary cache sets per way. */ 188 #define MIPSNN_CFG2_TS_MASK 0x07000000 189 #define MIPSNN_CFG2_TS_SHIFT 24 190 191 #define MIPSNN_CFG2_TS(x) (64 << MIPSNN_GET(CFG2_TS, (x))) 192 193 /* "TL" (R): Tertiary cache line size. */ 194 #define MIPSNN_CFG2_TL_MASK 0x00700000 195 #define MIPSNN_CFG2_TL_SHIFT 20 196 197 #define MIPSNN_CFG2_TL_NONE 0 /* No Tertiary cache */ 198 #define MIPSNN_CFG2_TL(x) (2 << MIPSNN_GET(CFG2_TL, (x))) 199 200 /* "TA" (R): Tertiary cache associativity (ways - 1). */ 201 #define MIPSNN_CFG2_TA_MASK 0x00070000 202 #define MIPSNN_CFG2_TA_SHIFT 16 203 204 #define MIPSNN_CFG2_TA(x) MIPSNN_GET(CFG2_TA, (x)) 205 206 /* "SU" (RW): Implementation specific secondary cache status and control. */ 207 #define MIPSNN_CFG2_SU_MASK 0x0000f000 208 #define MIPSNN_CFG2_SU_SHIFT 12 209 210 /* "SS" (R): Secondary cache sets per way. */ 211 #define MIPSNN_CFG2_SS_MASK 0x00000700 212 #define MIPSNN_CFG2_SS_SHIFT 8 213 214 #define MIPSNN_CFG2_SS(x) (64 << MIPSNN_GET(CFG2_SS, (x))) 215 216 /* "SL" (R): Secdonary cache line size. */ 217 #define MIPSNN_CFG2_SL_MASK 0x00000070 218 #define MIPSNN_CFG2_SL_SHIFT 4 219 220 #define MIPSNN_CFG2_SL_NONE 0 /* No Secondary cache */ 221 #define MIPSNN_CFG2_SL(x) (2 << MIPSNN_GET(CFG2_SL, (x))) 222 223 /* "SA" (R): Secondary cache associativity (ways - 1). */ 224 #define MIPSNN_CFG2_SA_MASK 0x00000007 225 #define MIPSNN_CFG2_SA_SHIFT 0 226 227 #define MIPSNN_CFG2_SA(x) MIPSNN_GET(CFG2_SA, (x)) 228 229 /* 230 * Values in Configuration Register 3 (CP0 Register 16, Select 3) 231 */ 232 233 /* "M" (R): Configuration Register 4 present. */ 234 #define MIPSNN_CFG3_M 0x80000000 235 236 /* "BPG" (R): Big Pages feature is implemented (PageMask is 64-bits wide). */ 237 #define MIPSNN_CFG3_BPG 0x40000000 238 239 /* "CMGCR" (R): Coherency Manager memory-mapped Global Configuration Register Space is implemented. */ 240 #define MIPSNN_CFG3_CMGCR 0x20000000 241 242 /* "IPLW" (R): Width of Status[IPL] and Cause[RIPL] fields. */ 243 #define MIPSNN_CFG3_IPLW_MASK 0x00600000 244 #define MIPSNN_CFG3_IPLW_SHIFT 21 245 246 #define MIPSNN_CFG3_IPLW_6BITS 0 /* IPL and RIPL fields are 6-bits in width. */ 247 #define MIPSNN_CFG3_IPLW_8BITS 1 /* IPL and RIPL fields are 8-bits in width. */ 248 // reserved other values 249 250 #define MIPSNN_CFG3_MMAR_MASK 0x001c0000 251 #define MIPSNN_CFG3_MMAR_SHIFT 18 252 253 #define MIPSNN_CFG3_MMAR_REV1 0 /* Revision 1 */ 254 // reserved other values 255 256 /* "MCU" (R): MCU ASE extension present. */ 257 #define MIPSNN_CFG3_MCU 0x00020000 258 259 /* "ISAOnExc" (R/RW): ISA used on exception. */ 260 #define MIPSNN_CFG3_ISAOnExc 0x00010000 /* microMIPS used on entrance to exception vector */ 261 262 /* "ISA" (R): Instruction Set Availability. */ 263 #define MIPSNN_CFG3_ISA_MASK 0x0000c000 264 #define MIPSNN_CFG3_ISA_SHIFT 14 265 266 #define MIPSNN_CFG3_ISA_MIPS64 0 /* only MIPS64 */ 267 #define MIPSNN_CFG3_ISA_microMIPS64 1 /* only microMIPS64 */ 268 #define MIPSNN_CFG3_ISA_MIPS64_OOR 2 /* both, MIPS64 out of reset */ 269 #define MIPSNN_CFG3_ISA_microMIPS64_OOR 3 /* both, microMIPS64 OOR */ 270 271 /* "ULRI" (R): UserLocal register is implemented. */ 272 #define MIPSNN_CFG3_ULRI 0x00002000 273 274 /* "DSP2P" (R): DSP v2 ASE extension present. */ 275 #define MIPSNN_CFG3_DSP2P 0x00000800 276 277 /* "DSPP" (R): DSP ASE extension present. */ 278 #define MIPSNN_CFG3_DSPP 0x00000400 279 280 /* "LPA" (R): Large physical addresses implemented. (MIPS64 rev 2 only). */ 281 #define MIPSNN_CFG3_LPA 0x00000080 282 283 /* "VEIC" (R): External interrupt controller present. (rev 2 only). */ 284 #define MIPSNN_CFG3_VEIC 0x00000040 285 286 /* "VINT" (R): Vectored interrupts implemented. (rev 2 only). */ 287 #define MIPSNN_CFG3_VINT 0x00000020 288 289 /* "SP" (R): Small (1K) page support implemented. (rev 2 only). */ 290 #define MIPSNN_CFG3_SP 0x00000010 291 292 /* "MT" (R): MT ASE extension implemented. */ 293 #define MIPSNN_CFG3_MT 0x00000004 294 295 /* "SM" (R): SmartMIPS ASE extension implemented. */ 296 #define MIPSNN_CFG3_SM 0x00000002 297 298 /* "TL" (R): Trace Logic implemented. */ 299 #define MIPSNN_CFG3_TL 0x00000001 300 301 /* 302 * Values in Configuration Register 4 (CP0 Register 16, Select 4) 303 */ 304 305 /* "M" (R): Configuration Register 5 present. */ 306 #define MIPSNN_CFG4_M __BIT(31) 307 308 /* "IE" (R): TLB invalidate instruction support/configuration. */ 309 #define MIPSNN_CFG4_IE __BITS(30,29) 310 311 /* "AE" (R): Extend EntryHi[ASID] to 10 bits. */ 312 #define MIPSNN_CFG4_AE __BIT(28) 313 314 /* "VTLBSizeExt" (R): TLB invalidate instruction support/configuration. */ 315 #define MIPSNN_CFG4_VTLB_SE __BITS(27,24) 316 317 /* "KScrExist" (R): Number of kernel mode scratch registers available. */ 318 #define MIPSNN_CFG4_KSCR_EXIST __BITS(23,16) 319 320 /* "MMUExtDef" (R): MMU extension definition. */ 321 #define MIPSNN_CFG4_MMU_EXT_DEF __BITS(15,14) 322 #define MIPSNN_CFG4_MMU_EXT_DEF_MMU 1 323 #define MIPSNN_CFG4_MMU_EXT_DEF_FLTB 2 324 #define MIPSNN_CFG4_MMU_EXT_DEF_VTLB 3 325 326 /* "MMUSizeExt" (R): Extension of Config1[MMUSize-1] field. */ 327 #define MIPSNN_CFG4_MMU_SIZE_EXT __BITS(7,0) 328 329 /* "FTLBPageSize" (R/RW): Indicates the Page Size of the FTLB Array Entries. */ 330 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE __BITS(10,8) 331 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_1K 0 332 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_4K 1 333 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_16K 2 334 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_64K 3 335 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_256K 4 336 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_1G 5 337 #define MIPSNN_CFG4_FTLB_FTLB_PAGE_SIZE_4G 6 338 /* "FTLBWays" (R): Indicates the Set Associativity of the FTLB Array. */ 339 #define MIPSNN_CFG4_FTLB_FTLB_WAYS __BITS(7,4) 340 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_2 0 341 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_3 1 342 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_4 2 343 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_5 3 344 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_6 4 345 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_7 5 346 #define MIPSNN_CFG4_FTLB_FTLB_WAYS_8 6 347 /* "FTLBSets" (R): Indicates the number of Set per Way within the FTLB Array. */ 348 #define MIPSNN_CFG4_FTLB_FTLB_SETS __BITS(3,0) 349 #define MIPSNN_CFG4_FTLB_FTLB_SETS_1 0 350 #define MIPSNN_CFG4_FTLB_FTLB_SETS_2 1 351 #define MIPSNN_CFG4_FTLB_FTLB_SETS_4 2 352 #define MIPSNN_CFG4_FTLB_FTLB_SETS_8 3 353 #define MIPSNN_CFG4_FTLB_FTLB_SETS_16 4 354 #define MIPSNN_CFG4_FTLB_FTLB_SETS_32 5 355 #define MIPSNN_CFG4_FTLB_FTLB_SETS_64 6 356 #define MIPSNN_CFG4_FTLB_FTLB_SETS_128 7 357 #define MIPSNN_CFG4_FTLB_FTLB_SETS_256 8 358 #define MIPSNN_CFG4_FTLB_FTLB_SETS_512 9 359 #define MIPSNN_CFG4_FTLB_FTLB_SETS_1024 10 360 #define MIPSNN_CFG4_FTLB_FTLB_SETS_2048 11 361 #define MIPSNN_CFG4_FTLB_FTLB_SETS_4096 12 362 #define MIPSNN_CFG4_FTLB_FTLB_SETS_8192 13 363 #define MIPSNN_CFG4_FTLB_FTLB_SETS_16384 14 364 #define MIPSNN_CFG4_FTLB_FTLB_SETS_32768 15 365 366 /* "MMUSizeExt" (R): Extension of Config1[MMUSize-1] field. */ 367 #define MIPSNN_CFG4_FVTLB_VTLB_SIZE_EXT __BITS(27,24) 368 /* "FTLBPageSize" (R/RW): Indicates the Page Size of the FTLB Array Entries. */ 369 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE __BITS(12,8) 370 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_1K 0 371 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_4K 1 372 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_16K 2 373 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_64K 3 374 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_256K 4 375 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_1M 5 376 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_4M 6 377 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_16M 7 378 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_64M 8 379 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_256M 9 380 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_1G 10 381 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_4G 11 382 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_16G 12 383 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_64G 13 384 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_256G 14 385 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_1T 15 386 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_4T 16 387 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_16T 17 388 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_64T 18 389 #define MIPSNN_CFG4_FVTLB_FTLB_PAGE_SIZE_256T 19 390 /* "FTLBWays" (R): Indicates the Set Associativity of the FTLB Array. */ 391 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS __BITS(7,4) 392 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_2 0 393 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_3 1 394 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_4 2 395 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_5 3 396 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_6 4 397 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_7 5 398 #define MIPSNN_CFG4_FVTLB_FTLB_WAYS_8 6 399 /* "FTLBSets" (R): Indicates the number of Set per Way within the FTLB Array. */ 400 #define MIPSNN_CFG4_FVTLB_FTLB_SETS __BITS(3,0) 401 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_1 0 402 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_2 1 403 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_4 2 404 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_8 3 405 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_16 4 406 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_32 5 407 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_64 6 408 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_128 7 409 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_256 8 410 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_512 9 411 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_1024 10 412 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_2048 11 413 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_4096 12 414 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_8192 13 415 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_16384 14 416 #define MIPSNN_CFG4_FVTLB_FTLB_SETS_32768 15 417 418 419 /* 420 * Values in Configuration Register 5 (CP0 Register 16, Select 5) 421 */ 422 423 /* "M" (R): Reserved for undefined configuration present. */ 424 #define MIPSNN_CFG5_M __BIT(31) 425 426 /* "K" (RW): Enable/disable Config K0/Ku/K23 if segmentation is implemented. */ 427 #define MIPSNN_CFG5_K __BIT(30) 428 429 /* "CV" (RW): Cache Error Exception Vector control disable. */ 430 #define MIPSNN_CFG5_CV __BIT(29) 431 432 /* "EVA" (R): Enhanced Virtual Addressing instructions implemented. */ 433 #define MIPSNN_CFG5_EVA __BIT(28) 434 435 /* "MSAEn" (RW): MIPS SIMD Architecture (MSA) enable. */ 436 #define MIPSNN_CFG5_MSAEn __BIT(27) 437 438 /* "XNP" (R): Extended LL/SC instructions non present. */ 439 #define MIPSNN_CFG5_XNP __BIT(13) 440 441 /* "DEC" (R): Dual Endian Capability. */ 442 #define MIPSNN_CFG5_DEC __BIT(11) 443 444 /* "L2C" (R): Indicates presense of COP0 Config2. */ 445 #define MIPSNN_CFG5_L2C __BIT(10) 446 447 /* "UFE" (RW): Enable for user mode access to Config5[FRE]. */ 448 #define MIPSNN_CFG5_UFE __BIT(9) 449 450 /* "FRE" (RW): Enable for user mode to emulate Status[FR]=0 handling. */ 451 #define MIPSNN_CFG5_FRE __BIT(8) 452 453 /* "VP" (R): Virtual Processor - multi-threading features supported. */ 454 #define MIPSNN_CFG5_VP __BIT(7) 455 456 /* "SBRI" (RW): SDBBP instruction Reserved Instruction control. */ 457 #define MIPSNN_CFG5_SBRI __BIT(6) 458 459 /* "MVH" (R): Move To/From High COP0 (MTHCO/MFHCO) instructions implemented. */ 460 #define MIPSNN_CFG5_MVH __BIT(5) 461 462 /* "LLB" (R): Load-Linked Bit (LLB) is present in COP0 LLAddr. */ 463 #define MIPSNN_CFG5_LLB __BIT(4) 464 465 /* "MRP" (R): COP0 Memory Accessibility Attributes Registers are present. */ 466 #define MIPSNN_CFG5_MRP __BIT(3) 467 468 /* "UFR" (R): Allows user-mode access to Status[FR] using CTC1/CFC1. */ 469 #define MIPSNN_CFG5_UFR __BIT(2) 470 471 /* "NFExists" (R): Nested Fault feature exists. */ 472 #define MIPSNN_CFG5_NF_EXISTS __BIT(0) 473 474 475 /* 476 * Values in PerfCntCrl Register (CP0 Register 25, Selects 0, 2, 4, 6) 477 */ 478 479 /* "M" (R): next PerCntCtl register present. */ 480 #define MIPSNN_PERFCTL_M __BIT(31) 481 482 /* "W" (R): Width - is a 64-bit counter. */ 483 #define MIPSNN_PERFCTL_W __BIT(30) 484 485 /* "Impl" (RAZ): Impl - implementation dependent field. */ 486 #define MIPSNN_PERFCTL_IMPL __BITS(29,25) 487 488 /* "EC" (Z): Reserved for Virtualisation Mode. */ 489 #define MIPSNN_PERFCTL_EC __BITS(24,23) 490 491 /* "PCTD" (RW): Performance Counter Trace Disable. */ 492 #define MIPSNN_PERFCTL_PCTD __BIT(15) 493 494 /* 495 * "EVENT" (RW): Event number. Note: The MIPS32/MIPS64 PRA specs define 496 * EventExt from 14:11 and Event from 10:5. For ease of use, we define a 497 * single 10 bit Event field. 498 */ 499 #define MIPSNN_PERFCTL_EVENT __BITS(14,5) 500 501 /* "IE" (RW): Interrupt Enable. */ 502 #define MIPSNN_PERFCTL_IE __BIT(4) 503 504 /* "U" (RW): Enables event counting in user mode. */ 505 #define MIPSNN_PERFCTL_U __BIT(3) 506 507 /* "S" (RW): Enables event counting in supervisor mode. */ 508 #define MIPSNN_PERFCTL_S __BIT(2) 509 510 /* "K" (RW): Enables event counting in kernel mode. */ 511 #define MIPSNN_PERFCTL_K __BIT(1) 512 513 /* "EXL" (RW): Enables event counting when EXL bit in Status is one. */ 514 #define MIPSNN_PERFCTL_EXL __BIT(0) 515 516 517 /* 518 * Values in Configuration Register 6 (CP0 Register 16, Select 6) 519 * for RMI XLP processors 520 */ 521 522 /* "CTLB_SIZE" (R): Number of Combined TLB entries - 1. */ 523 #define MIPSNN_RMIXLP_CFG6_CTLB_SIZE_MASK 0xffff0000 524 #define MIPSNN_RMIXLP_CFG6_CTLB_SIZE_SHIFT 16 525 526 /* "VTLB_SIZE" (R): Number of Variable TLB entries - 1. */ 527 #define MIPSNN_RMIXLP_CFG6_VTLB_SIZE_MASK 0x0000ffc0 528 #define MIPSNN_RMIXLP_CFG6_VTLB_SIZE_SHIFT 6 529 530 /* "ELVT" (RW): Enable Large Variable TLB. */ 531 #define MIPSNN_RMIXLP_CFG6_ELVT 0x00000020 532 533 /* "EPW" (RW): Enable PageWalker. */ 534 #define MIPSNN_RMIXLP_CFG6_EPW 0x00000008 535 536 /* "EFT" (RW): Enable Fixed TLB. */ 537 #define MIPSNN_RMIXLP_CFG6_EFT 0x00000004 538 539 /* "PWI" (R): PageWalker implemented. */ 540 #define MIPSNN_RMIXLP_CFG6_PWI 0x00000001 541 542 /* "FTI" (R): Fixed TLB implemented. */ 543 #define MIPSNN_RMIXLP_CFG6_FTI 0x00000001 544 545 /* 546 * Values in Configuration Register 7 (CP0 Register 16, Select 7) 547 * for RMI XLP processors 548 */ 549 550 /* "LG" (RW): Small or Large Page. */ 551 #define MIPSNN_RMIXLP_CFG7_LG_MASK __BIT(61) 552 553 /* "MASKLG" (RW): large page size supported in CAM only. */ 554 #define MIPSNN_RMIXLP_CFG7_MASKLG_MASK 0x0000ff00 555 #define MIPSNN_RMIXLP_CFG7_MASKLG_SHIFT 8 556 557 #define MIPSNN_RMIXLP_CFG7_MASKLG_4KB (0xff >> 8) 558 #define MIPSNN_RMIXLP_CFG7_MASKLG_16KB (0xff >> 7) 559 #define MIPSNN_RMIXLP_CFG7_MASKLG_64KB (0xff >> 6) 560 #define MIPSNN_RMIXLP_CFG7_MASKLG_256KB (0xff >> 5) 561 #define MIPSNN_RMIXLP_CFG7_MASKLG_1MB (0xff >> 4) 562 #define MIPSNN_RMIXLP_CFG7_MASKLG_4MB (0xff >> 3) 563 #define MIPSNN_RMIXLP_CFG7_MASKLG_16MB (0xff >> 2) 564 #define MIPSNN_RMIXLP_CFG7_MASKLG_64MB (0xff >> 1) 565 #define MIPSNN_RMIXLP_CFG7_MASKLG_256MB (0xff >> 0) 566 567 /* "MASKSM" (RW): small page size supported in CAM/RAM. */ 568 #define MIPSNN_RMIXLP_CFG7_MASKSM_MASK 0x000000ff 569 #define MIPSNN_RMIXLP_CFG7_MASKSM_SHIFT 0 570 571 #define MIPSNN_RMIXLP_CFG7_MASKSM_4KB (0xff >> 8) 572 #define MIPSNN_RMIXLP_CFG7_MASKSM_16KB (0xff >> 7) 573 #define MIPSNN_RMIXLP_CFG7_MASKSM_64KB (0xff >> 6) 574 #define MIPSNN_RMIXLP_CFG7_MASKSM_256KB (0xff >> 5) 575 #define MIPSNN_RMIXLP_CFG7_MASKSM_1MB (0xff >> 4) 576 #define MIPSNN_RMIXLP_CFG7_MASKSM_4MB (0xff >> 3) 577 #define MIPSNN_RMIXLP_CFG7_MASKSM_16MB (0xff >> 2) 578 #define MIPSNN_RMIXLP_CFG7_MASKSM_64MB (0xff >> 1) 579 #define MIPSNN_RMIXLP_CFG7_MASKSM_256MB (0xff >> 0) 580 581 582 /* 583 * Values in Configuration Register 6 (CP0 Register 16, Select 6) 584 * for the MTI 74K and 1074K cores. 585 */ 586 /* "SPCD" (R/W): Sleep state Perforance Counter Disable. */ 587 #define MIPSNN_MTI_CFG6_SPCD __BIT(14) 588 589 /* "SYND" (R/W): SYNonym tag update Disable. */ 590 #define MIPSNN_MTI_CFG6_SYND __BIT(13) 591 592 /* "IFUPerfCtl" (R/W): IFU Performance Control. */ 593 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_MASK __BIT(12:10) 594 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_STALL 0 595 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_JUMP 1 596 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_STALLED_INSN 2 597 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_CACHE_MISPREDICTION 3 598 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_CACHE_PREDICTION 4 599 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_BAD_JR_CACHE_ENTRY 5 600 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_UNIMPL 6 601 #define MIPSNN_MTI_CFG6_IFU_PERF_CTL_CBRACH_TAKEN 7 602 603 /* "NMRUP" (R): Most Recently Used JTLB Replacement scheme Present. */ 604 #define MIPSNN_MTI_CFG6_NMRUP __BIT(9) /* 1: implemented */ 605 606 /* "NMRUD" (R/W): NMRU Disable. */ 607 #define MIPSNN_MTI_CFG6_NMRUD __BIT(8) /* 1: TLBWR is random */ 608 609 /* "JRCP" (R): JR Cache Present. */ 610 #define MIPSNN_MTI_CFG6_JRCP __BIT(1) /* 1: implemented */ 611 612 /* "JRCD" (R/W): JR Cache prediction Disable. */ 613 #define MIPSNN_MTI_CFG6_JRCD __BIT(0) /* 1: disabled */ 614 615 616 /* 617 * Values in Configuration Register 7 (CP0 Register 16, Select 7) 618 * for the MTI 24K, 34K, 74K, 1004K, and 1074K cores 619 */ 620 621 /* "WII" (R): Wait IE Ignore. */ 622 #define MIPSNN_MTI_CFG7_WII __BIT(31) 623 624 /* "FPFS" (R/W): Fast Prepare For Store (74K, 1074K) */ 625 #define MIPSNN_MTI_CFG7_FPFS __BIT(30) 626 627 /* "IHB" (R/W): Implicit HB (74K, 1074K) */ 628 #define MIPSNN_MTI_CFG7_IHB __BIT(29) 629 630 /* "FPR1" (R): Float Point Ratio 1 (74K, 1074K). */ 631 #define MIPSNN_MTI_CFG7_FPR1 __BIT(28) /* 1: 3:2 */ 632 633 /* "SEHB" (R/W): slow EHB (74K, 1074K) */ 634 #define MIPSNN_MTI_CFG7_SEHB __BIT(27) 635 636 /* "CP2IO" (R/W): Force COP2 data to be in-order (74K, 1074K) */ 637 #define MIPSNN_MTI_CFG7_CP2IO __BIT(26) 638 639 /* "IAGN" (R/W): Issue LSU-side instructions in program order (74K, 1074K) */ 640 #define MIPSNN_MTI_CFG7_IAGN __BIT(25) 641 642 /* "IAGN" (R/W): Issue LSU-side instructions in program order (74K, 1074K) */ 643 #define MIPSNN_MTI_CFG7_IAGN __BIT(25) 644 645 /* "IALU" (R/W): Issue ALU-side instructions in program order (74K, 1074K) */ 646 #define MIPSNN_MTI_CFG7_IALU __BIT(24) 647 648 /* "DGHR" (R/W): disable global history in branch prediction (74K, 1074K). */ 649 #define MIPSNN_MTI_CFG7_DGHR __BIT(23) /* 1: disable */ 650 651 /* "SG" (R/W): Single Graduation per cycle (74K, 1074K). */ 652 #define MIPSNN_MTI_CFG7_SG __BIT(22) /* 1: no superscalar */ 653 654 /* "SUI" (R/W): Strict Uncached Instruction (SUI) policy control (74K, 1074K). */ 655 #define MIPSNN_MTI_CFG7_SUI __BIT(21) 656 657 /* "NCWB" (R/W): Non-Choerent WriteBack (1004K). */ 658 #define MIPSNN_MTI_CFG7_NCWB __BIT(20) 659 660 /* "PCT" (R): Performance Counters per TC (34K, 1004K). */ 661 #define MIPSNN_MTI_CFG7_PCT __BIT(19) 662 663 /* "HCI" (R): Hardware Cache Initialization. */ 664 #define MIPSNN_MTI_CFG7_HCI __BIT(18) 665 666 /* "FPR" (R): Float Point Ratio. */ 667 #define MIPSNN_MTI_CFG7_FPR0 __BIT(17) /* 1: half speed */ 668 669 #define MIPSNN_MTI_CFG7_FPR_MASK (MIPSNN_MTI_CFG7_FPR1|MIPSNN_MTI_CFG7_FPR0) 670 #define MIPSNN_MTI_CFG7_FPR_SHIFT 0 671 #define MIPSNN_MTI_CFG7_FPR_1to1 0 672 #define MIPSNN_MTI_CFG7_FPR_2to1 MIPSNN_MTI_CFG7_FPR0 673 #define MIPSNN_MTI_CFG7_FPR_3to2 MIPSNN_MTI_CFG7_FPR1 674 #define MIPSNN_MTI_CFG7_FPR_RESERVED MIPSNN_MTI_CFG7_FPR_MASK 675 676 /* "AR" (R): Alias Removal. */ 677 #define MIPSNN_MTI_CFG7_AR __BIT(16) /* 1: no virt aliases */ 678 679 /* "PREF" (R/W): Instruction Prefetching (74K, 1074K). */ 680 #define MIPSNN_MTI_CFG7_PREF_MASK __BITS(12,11) 681 #define MIPSNN_MTI_CFG7_PREF_SHIFT 11 682 #define MIPSNN_MTI_CFG7_PREF_DISABLE 0 683 #define MIPSNN_MTI_CFG7_PREF_ONELINE 1 684 #define MIPSNN_MTI_CFG7_PREF_RESERVED 2 685 #define MIPSNN_MTI_CFG7_PREF_TWOLINES 3 686 687 /* "IAR" (R): Instruction Alias Removal. */ 688 #define MIPSNN_MTI_CFG7_IAR __BIT(10) /* 1: no virt aliases */ 689 690 /* "IVA" (R or RW): Instruction Virtual Alias fix disable. */ 691 #define MIPSNN_MTI_CFG7_IVA __BIT(9) /* 1: fix disable */ 692 693 /* "ES" (RW): External Sync. */ 694 #define MIPSNN_MTI_CFG7_ES __BIT(8) 695 696 /* "BTLM" (RW): Block TC on Load Miss. */ 697 #define MIPSNN_MTI_CFG7_BTLM __BIT(7) 698 699 /* "CPOOO" (RW): Out-Of-Order on Coprocessor interfaces (COP0/COP1). */ 700 #define MIPSNN_MTI_CFG7_CPOOO __BIT(6) /* 1: disable OOO */ 701 702 /* "NBLSU" (RW): Non-Blocking LSU. (24K, 34K) */ 703 #define MIPSNN_MTI_CFG7_NBLSU __BIT(5) /* 1: stalls pipeline */ 704 705 /* "UBL" (RW): Uncached Loads Blocking. */ 706 #define MIPSNN_MTI_CFG7_UBL __BIT(4) /* 1: blocking loads */ 707 708 /* "BP" (RW): Branch Prediction. */ 709 #define MIPSNN_MTI_CFG7_BP __BIT(3) /* 1: disabled */ 710 711 /* "RPS" (RW): Return Prediction Stack. */ 712 #define MIPSNN_MTI_CFG7_RPS __BIT(2) /* 1: disabled */ 713 714 /* "BHT" (RW): Branch History Table. */ 715 #define MIPSNN_MTI_CFG7_BHT __BIT(1) /* 1: disabled */ 716 717 /* "SL" (RW): Scheduled Loads. */ 718 #define MIPSNN_MTI_CFG7_SL __BIT(0) /* 1: load misses block */ 719
Indexes created Mon Sep 22 13:09:51 GMT 2025