Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 | /* SPDX-License-Identifier: GPL-2.0 */ /* * MT regs definitions, follows on from mipsregs.h * Copyright (C) 2004 - 2005 MIPS Technologies, Inc. All rights reserved. * Elizabeth Clarke et. al. * */ #ifndef _ASM_MIPSMTREGS_H #define _ASM_MIPSMTREGS_H #include <asm/mipsregs.h> #ifndef __ASSEMBLY__ /* * C macros */ #define read_c0_mvpcontrol() __read_32bit_c0_register($0, 1) #define write_c0_mvpcontrol(val) __write_32bit_c0_register($0, 1, val) #define read_c0_mvpconf0() __read_32bit_c0_register($0, 2) #define read_c0_mvpconf1() __read_32bit_c0_register($0, 3) #define read_c0_vpecontrol() __read_32bit_c0_register($1, 1) #define write_c0_vpecontrol(val) __write_32bit_c0_register($1, 1, val) #define read_c0_vpeconf0() __read_32bit_c0_register($1, 2) #define write_c0_vpeconf0(val) __write_32bit_c0_register($1, 2, val) #define read_c0_vpeconf1() __read_32bit_c0_register($1, 3) #define write_c0_vpeconf1(val) __write_32bit_c0_register($1, 3, val) #define read_c0_tcstatus() __read_32bit_c0_register($2, 1) #define write_c0_tcstatus(val) __write_32bit_c0_register($2, 1, val) #define read_c0_tcbind() __read_32bit_c0_register($2, 2) #define write_c0_tchalt(val) __write_32bit_c0_register($2, 4, val) #define read_c0_tccontext() __read_32bit_c0_register($2, 5) #define write_c0_tccontext(val) __write_32bit_c0_register($2, 5, val) #else /* Assembly */ /* * Macros for use in assembly language code */ #define CP0_MVPCONTROL $0, 1 #define CP0_MVPCONF0 $0, 2 #define CP0_MVPCONF1 $0, 3 #define CP0_VPECONTROL $1, 1 #define CP0_VPECONF0 $1, 2 #define CP0_VPECONF1 $1, 3 #define CP0_YQMASK $1, 4 #define CP0_VPESCHEDULE $1, 5 #define CP0_VPESCHEFBK $1, 6 #define CP0_TCSTATUS $2, 1 #define CP0_TCBIND $2, 2 #define CP0_TCRESTART $2, 3 #define CP0_TCHALT $2, 4 #define CP0_TCCONTEXT $2, 5 #define CP0_TCSCHEDULE $2, 6 #define CP0_TCSCHEFBK $2, 7 #define CP0_SRSCONF0 $6, 1 #define CP0_SRSCONF1 $6, 2 #define CP0_SRSCONF2 $6, 3 #define CP0_SRSCONF3 $6, 4 #define CP0_SRSCONF4 $6, 5 #endif /* MVPControl fields */ #define MVPCONTROL_EVP (_ULCAST_(1)) #define MVPCONTROL_VPC_SHIFT 1 #define MVPCONTROL_VPC (_ULCAST_(1) << MVPCONTROL_VPC_SHIFT) #define MVPCONTROL_STLB_SHIFT 2 #define MVPCONTROL_STLB (_ULCAST_(1) << MVPCONTROL_STLB_SHIFT) /* MVPConf0 fields */ #define MVPCONF0_PTC_SHIFT 0 #define MVPCONF0_PTC ( _ULCAST_(0xff)) #define MVPCONF0_PVPE_SHIFT 10 #define MVPCONF0_PVPE ( _ULCAST_(0xf) << MVPCONF0_PVPE_SHIFT) #define MVPCONF0_TCA_SHIFT 15 #define MVPCONF0_TCA ( _ULCAST_(1) << MVPCONF0_TCA_SHIFT) #define MVPCONF0_PTLBE_SHIFT 16 #define MVPCONF0_PTLBE (_ULCAST_(0x3ff) << MVPCONF0_PTLBE_SHIFT) #define MVPCONF0_TLBS_SHIFT 29 #define MVPCONF0_TLBS (_ULCAST_(1) << MVPCONF0_TLBS_SHIFT) #define MVPCONF0_M_SHIFT 31 #define MVPCONF0_M (_ULCAST_(0x1) << MVPCONF0_M_SHIFT) /* config3 fields */ #define CONFIG3_MT_SHIFT 2 #define CONFIG3_MT (_ULCAST_(1) << CONFIG3_MT_SHIFT) /* VPEControl fields (per VPE) */ #define VPECONTROL_TARGTC (_ULCAST_(0xff)) #define VPECONTROL_TE_SHIFT 15 #define VPECONTROL_TE (_ULCAST_(1) << VPECONTROL_TE_SHIFT) #define VPECONTROL_EXCPT_SHIFT 16 #define VPECONTROL_EXCPT (_ULCAST_(0x7) << VPECONTROL_EXCPT_SHIFT) /* Thread Exception Codes for EXCPT field */ #define THREX_TU 0 #define THREX_TO 1 #define THREX_IYQ 2 #define THREX_GSX 3 #define THREX_YSCH 4 #define THREX_GSSCH 5 #define VPECONTROL_GSI_SHIFT 20 #define VPECONTROL_GSI (_ULCAST_(1) << VPECONTROL_GSI_SHIFT) #define VPECONTROL_YSI_SHIFT 21 #define VPECONTROL_YSI (_ULCAST_(1) << VPECONTROL_YSI_SHIFT) /* VPEConf0 fields (per VPE) */ #define VPECONF0_VPA_SHIFT 0 #define VPECONF0_VPA (_ULCAST_(1) << VPECONF0_VPA_SHIFT) #define VPECONF0_MVP_SHIFT 1 #define VPECONF0_MVP (_ULCAST_(1) << VPECONF0_MVP_SHIFT) #define VPECONF0_XTC_SHIFT 21 #define VPECONF0_XTC (_ULCAST_(0xff) << VPECONF0_XTC_SHIFT) /* VPEConf1 fields (per VPE) */ #define VPECONF1_NCP1_SHIFT 0 #define VPECONF1_NCP1 (_ULCAST_(0xff) << VPECONF1_NCP1_SHIFT) #define VPECONF1_NCP2_SHIFT 10 #define VPECONF1_NCP2 (_ULCAST_(0xff) << VPECONF1_NCP2_SHIFT) #define VPECONF1_NCX_SHIFT 20 #define VPECONF1_NCX (_ULCAST_(0xff) << VPECONF1_NCX_SHIFT) /* TCStatus fields (per TC) */ #define TCSTATUS_TASID (_ULCAST_(0xff)) #define TCSTATUS_IXMT_SHIFT 10 #define TCSTATUS_IXMT (_ULCAST_(1) << TCSTATUS_IXMT_SHIFT) #define TCSTATUS_TKSU_SHIFT 11 #define TCSTATUS_TKSU (_ULCAST_(3) << TCSTATUS_TKSU_SHIFT) #define TCSTATUS_A_SHIFT 13 #define TCSTATUS_A (_ULCAST_(1) << TCSTATUS_A_SHIFT) #define TCSTATUS_DA_SHIFT 15 #define TCSTATUS_DA (_ULCAST_(1) << TCSTATUS_DA_SHIFT) #define TCSTATUS_DT_SHIFT 20 #define TCSTATUS_DT (_ULCAST_(1) << TCSTATUS_DT_SHIFT) #define TCSTATUS_TDS_SHIFT 21 #define TCSTATUS_TDS (_ULCAST_(1) << TCSTATUS_TDS_SHIFT) #define TCSTATUS_TSST_SHIFT 22 #define TCSTATUS_TSST (_ULCAST_(1) << TCSTATUS_TSST_SHIFT) #define TCSTATUS_RNST_SHIFT 23 #define TCSTATUS_RNST (_ULCAST_(3) << TCSTATUS_RNST_SHIFT) /* Codes for RNST */ #define TC_RUNNING 0 #define TC_WAITING 1 #define TC_YIELDING 2 #define TC_GATED 3 #define TCSTATUS_TMX_SHIFT 27 #define TCSTATUS_TMX (_ULCAST_(1) << TCSTATUS_TMX_SHIFT) /* TCStatus TCU bits can use same definitions/offsets as CU bits in Status */ /* TCBind */ #define TCBIND_CURVPE_SHIFT 0 #define TCBIND_CURVPE (_ULCAST_(0xf)) #define TCBIND_CURTC_SHIFT 21 #define TCBIND_CURTC (_ULCAST_(0xff) << TCBIND_CURTC_SHIFT) /* TCHalt */ #define TCHALT_H (_ULCAST_(1)) #ifndef __ASSEMBLY__ static inline unsigned core_nvpes(void) { unsigned conf0; if (!cpu_has_mipsmt) return 1; conf0 = read_c0_mvpconf0(); return ((conf0 & MVPCONF0_PVPE) >> MVPCONF0_PVPE_SHIFT) + 1; } static inline unsigned int dvpe(void) { int res = 0; __asm__ __volatile__( " .set push \n" " .set noreorder \n" " .set noat \n" " .set mips32r2 \n" " .word 0x41610001 # dvpe $1 \n" " move %0, $1 \n" " ehb \n" " .set pop \n" : "=r" (res)); instruction_hazard(); return res; } static inline void __raw_evpe(void) { __asm__ __volatile__( " .set push \n" " .set noreorder \n" " .set noat \n" " .set mips32r2 \n" " .word 0x41600021 # evpe \n" " ehb \n" " .set pop \n"); } /* Enable virtual processor execution if previous suggested it should be. EVPE_ENABLE to force */ #define EVPE_ENABLE MVPCONTROL_EVP static inline void evpe(int previous) { if ((previous & MVPCONTROL_EVP)) __raw_evpe(); } static inline unsigned int dmt(void) { int res; __asm__ __volatile__( " .set push \n" " .set mips32r2 \n" " .set noat \n" " .word 0x41610BC1 # dmt $1 \n" " ehb \n" " move %0, $1 \n" " .set pop \n" : "=r" (res)); instruction_hazard(); return res; } static inline void __raw_emt(void) { __asm__ __volatile__( " .set push \n" " .set noreorder \n" " .set mips32r2 \n" " .word 0x41600be1 # emt \n" " ehb \n" " .set pop"); } /* enable multi-threaded execution if previous suggested it should be. EMT_ENABLE to force */ #define EMT_ENABLE VPECONTROL_TE static inline void emt(int previous) { if ((previous & EMT_ENABLE)) __raw_emt(); } static inline void ehb(void) { __asm__ __volatile__( " .set push \n" " .set mips32r2 \n" " ehb \n" " .set pop \n"); } #define mftc0(rt,sel) \ ({ \ unsigned long __res; \ \ __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ " .set noat \n" \ " # mftc0 $1, $" #rt ", " #sel " \n" \ " .word 0x41000800 | (" #rt " << 16) | " #sel " \n" \ " move %0, $1 \n" \ " .set pop \n" \ : "=r" (__res)); \ \ __res; \ }) #define mftgpr(rt) \ ({ \ unsigned long __res; \ \ __asm__ __volatile__( \ " .set push \n" \ " .set noat \n" \ " .set mips32r2 \n" \ " # mftgpr $1," #rt " \n" \ " .word 0x41000820 | (" #rt " << 16) \n" \ " move %0, $1 \n" \ " .set pop \n" \ : "=r" (__res)); \ \ __res; \ }) #define mftr(rt, u, sel) \ ({ \ unsigned long __res; \ \ __asm__ __volatile__( \ " mftr %0, " #rt ", " #u ", " #sel " \n" \ : "=r" (__res)); \ \ __res; \ }) #define mttgpr(rd,v) \ do { \ __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ " .set noat \n" \ " move $1, %0 \n" \ " # mttgpr $1, " #rd " \n" \ " .word 0x41810020 | (" #rd " << 11) \n" \ " .set pop \n" \ : : "r" (v)); \ } while (0) #define mttc0(rd, sel, v) \ ({ \ __asm__ __volatile__( \ " .set push \n" \ " .set mips32r2 \n" \ " .set noat \n" \ " move $1, %0 \n" \ " # mttc0 %0," #rd ", " #sel " \n" \ " .word 0x41810000 | (" #rd " << 11) | " #sel " \n" \ " .set pop \n" \ : \ : "r" (v)); \ }) #define mttr(rd, u, sel, v) \ ({ \ __asm__ __volatile__( \ "mttr %0," #rd ", " #u ", " #sel \ : : "r" (v)); \ }) #define settc(tc) \ do { \ write_c0_vpecontrol((read_c0_vpecontrol()&~VPECONTROL_TARGTC) | (tc)); \ ehb(); \ } while (0) /* you *must* set the target tc (settc) before trying to use these */ #define read_vpe_c0_vpecontrol() mftc0(1, 1) #define write_vpe_c0_vpecontrol(val) mttc0(1, 1, val) #define read_vpe_c0_vpeconf0() mftc0(1, 2) #define write_vpe_c0_vpeconf0(val) mttc0(1, 2, val) #define read_vpe_c0_vpeconf1() mftc0(1, 3) #define write_vpe_c0_vpeconf1(val) mttc0(1, 3, val) #define read_vpe_c0_count() mftc0(9, 0) #define write_vpe_c0_count(val) mttc0(9, 0, val) #define read_vpe_c0_status() mftc0(12, 0) #define write_vpe_c0_status(val) mttc0(12, 0, val) #define read_vpe_c0_cause() mftc0(13, 0) #define write_vpe_c0_cause(val) mttc0(13, 0, val) #define read_vpe_c0_config() mftc0(16, 0) #define write_vpe_c0_config(val) mttc0(16, 0, val) #define read_vpe_c0_config1() mftc0(16, 1) #define write_vpe_c0_config1(val) mttc0(16, 1, val) #define read_vpe_c0_config7() mftc0(16, 7) #define write_vpe_c0_config7(val) mttc0(16, 7, val) #define read_vpe_c0_ebase() mftc0(15, 1) #define write_vpe_c0_ebase(val) mttc0(15, 1, val) #define write_vpe_c0_compare(val) mttc0(11, 0, val) #define read_vpe_c0_badvaddr() mftc0(8, 0) #define read_vpe_c0_epc() mftc0(14, 0) #define write_vpe_c0_epc(val) mttc0(14, 0, val) /* TC */ #define read_tc_c0_tcstatus() mftc0(2, 1) #define write_tc_c0_tcstatus(val) mttc0(2, 1, val) #define read_tc_c0_tcbind() mftc0(2, 2) #define write_tc_c0_tcbind(val) mttc0(2, 2, val) #define read_tc_c0_tcrestart() mftc0(2, 3) #define write_tc_c0_tcrestart(val) mttc0(2, 3, val) #define read_tc_c0_tchalt() mftc0(2, 4) #define write_tc_c0_tchalt(val) mttc0(2, 4, val) #define read_tc_c0_tccontext() mftc0(2, 5) #define write_tc_c0_tccontext(val) mttc0(2, 5, val) /* GPR */ #define read_tc_gpr_sp() mftgpr(29) #define write_tc_gpr_sp(val) mttgpr(29, val) #define read_tc_gpr_gp() mftgpr(28) #define write_tc_gpr_gp(val) mttgpr(28, val) __BUILD_SET_C0(mvpcontrol) #endif /* Not __ASSEMBLY__ */ #endif |