1 /* 2 * PowerPC emulation special registers manipulation helpers for qemu. 3 * 4 * Copyright (c) 2003-2007 Jocelyn Mayer 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #include "qemu/osdep.h" 21 #include "cpu.h" 22 #include "qemu/main-loop.h" 23 #include "exec/exec-all.h" 24 #include "sysemu/kvm.h" 25 #include "sysemu/tcg.h" 26 #include "helper_regs.h" 27 #include "power8-pmu.h" 28 #include "cpu-models.h" 29 #include "spr_common.h" 30 31 /* Swap temporary saved registers with GPRs */ 32 void hreg_swap_gpr_tgpr(CPUPPCState *env) 33 { 34 target_ulong tmp; 35 36 tmp = env->gpr[0]; 37 env->gpr[0] = env->tgpr[0]; 38 env->tgpr[0] = tmp; 39 tmp = env->gpr[1]; 40 env->gpr[1] = env->tgpr[1]; 41 env->tgpr[1] = tmp; 42 tmp = env->gpr[2]; 43 env->gpr[2] = env->tgpr[2]; 44 env->tgpr[2] = tmp; 45 tmp = env->gpr[3]; 46 env->gpr[3] = env->tgpr[3]; 47 env->tgpr[3] = tmp; 48 } 49 50 static uint32_t hreg_compute_pmu_hflags_value(CPUPPCState *env) 51 { 52 uint32_t hflags = 0; 53 54 #if defined(TARGET_PPC64) 55 if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCC0) { 56 hflags |= 1 << HFLAGS_PMCC0; 57 } 58 if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCC1) { 59 hflags |= 1 << HFLAGS_PMCC1; 60 } 61 if (env->spr[SPR_POWER_MMCR0] & MMCR0_PMCjCE) { 62 hflags |= 1 << HFLAGS_PMCJCE; 63 } 64 65 #ifndef CONFIG_USER_ONLY 66 if (env->pmc_ins_cnt) { 67 hflags |= 1 << HFLAGS_INSN_CNT; 68 } 69 if (env->pmc_ins_cnt & 0x1e) { 70 hflags |= 1 << HFLAGS_PMC_OTHER; 71 } 72 #endif 73 #endif 74 75 return hflags; 76 } 77 78 /* Mask of all PMU hflags */ 79 static uint32_t hreg_compute_pmu_hflags_mask(CPUPPCState *env) 80 { 81 uint32_t hflags_mask = 0; 82 #if defined(TARGET_PPC64) 83 hflags_mask |= 1 << HFLAGS_PMCC0; 84 hflags_mask |= 1 << HFLAGS_PMCC1; 85 hflags_mask |= 1 << HFLAGS_PMCJCE; 86 hflags_mask |= 1 << HFLAGS_INSN_CNT; 87 hflags_mask |= 1 << HFLAGS_PMC_OTHER; 88 #endif 89 return hflags_mask; 90 } 91 92 static uint32_t hreg_compute_hflags_value(CPUPPCState *env) 93 { 94 target_ulong msr = env->msr; 95 uint32_t ppc_flags = env->flags; 96 uint32_t hflags = 0; 97 uint32_t msr_mask; 98 99 /* Some bits come straight across from MSR. */ 100 QEMU_BUILD_BUG_ON(MSR_LE != HFLAGS_LE); 101 QEMU_BUILD_BUG_ON(MSR_PR != HFLAGS_PR); 102 QEMU_BUILD_BUG_ON(MSR_DR != HFLAGS_DR); 103 QEMU_BUILD_BUG_ON(MSR_FP != HFLAGS_FP); 104 msr_mask = ((1 << MSR_LE) | (1 << MSR_PR) | 105 (1 << MSR_DR) | (1 << MSR_FP)); 106 107 if (ppc_flags & POWERPC_FLAG_DE) { 108 target_ulong dbcr0 = env->spr[SPR_BOOKE_DBCR0]; 109 if ((dbcr0 & DBCR0_ICMP) && FIELD_EX64(env->msr, MSR, DE)) { 110 hflags |= 1 << HFLAGS_SE; 111 } 112 if ((dbcr0 & DBCR0_BRT) && FIELD_EX64(env->msr, MSR, DE)) { 113 hflags |= 1 << HFLAGS_BE; 114 } 115 } else { 116 if (ppc_flags & POWERPC_FLAG_BE) { 117 QEMU_BUILD_BUG_ON(MSR_BE != HFLAGS_BE); 118 msr_mask |= 1 << MSR_BE; 119 } 120 if (ppc_flags & POWERPC_FLAG_SE) { 121 QEMU_BUILD_BUG_ON(MSR_SE != HFLAGS_SE); 122 msr_mask |= 1 << MSR_SE; 123 } 124 } 125 126 if (msr_is_64bit(env, msr)) { 127 hflags |= 1 << HFLAGS_64; 128 } 129 if ((ppc_flags & POWERPC_FLAG_SPE) && (msr & (1 << MSR_SPE))) { 130 hflags |= 1 << HFLAGS_SPE; 131 } 132 if (ppc_flags & POWERPC_FLAG_VRE) { 133 QEMU_BUILD_BUG_ON(MSR_VR != HFLAGS_VR); 134 msr_mask |= 1 << MSR_VR; 135 } 136 if (ppc_flags & POWERPC_FLAG_VSX) { 137 QEMU_BUILD_BUG_ON(MSR_VSX != HFLAGS_VSX); 138 msr_mask |= 1 << MSR_VSX; 139 } 140 if ((ppc_flags & POWERPC_FLAG_TM) && (msr & (1ull << MSR_TM))) { 141 hflags |= 1 << HFLAGS_TM; 142 } 143 if (env->spr[SPR_LPCR] & LPCR_GTSE) { 144 hflags |= 1 << HFLAGS_GTSE; 145 } 146 if (env->spr[SPR_LPCR] & LPCR_HR) { 147 hflags |= 1 << HFLAGS_HR; 148 } 149 150 #ifndef CONFIG_USER_ONLY 151 if (!env->has_hv_mode || (msr & (1ull << MSR_HV))) { 152 hflags |= 1 << HFLAGS_HV; 153 } 154 155 /* 156 * This is our encoding for server processors. The architecture 157 * specifies that there is no such thing as userspace with 158 * translation off, however it appears that MacOS does it and some 159 * 32-bit CPUs support it. Weird... 160 * 161 * 0 = Guest User space virtual mode 162 * 1 = Guest Kernel space virtual mode 163 * 2 = Guest User space real mode 164 * 3 = Guest Kernel space real mode 165 * 4 = HV User space virtual mode 166 * 5 = HV Kernel space virtual mode 167 * 6 = HV User space real mode 168 * 7 = HV Kernel space real mode 169 * 170 * For BookE, we need 8 MMU modes as follow: 171 * 172 * 0 = AS 0 HV User space 173 * 1 = AS 0 HV Kernel space 174 * 2 = AS 1 HV User space 175 * 3 = AS 1 HV Kernel space 176 * 4 = AS 0 Guest User space 177 * 5 = AS 0 Guest Kernel space 178 * 6 = AS 1 Guest User space 179 * 7 = AS 1 Guest Kernel space 180 */ 181 unsigned immu_idx, dmmu_idx; 182 dmmu_idx = msr & (1 << MSR_PR) ? 0 : 1; 183 if (env->mmu_model == POWERPC_MMU_BOOKE || 184 env->mmu_model == POWERPC_MMU_BOOKE206) { 185 dmmu_idx |= msr & (1 << MSR_GS) ? 4 : 0; 186 immu_idx = dmmu_idx; 187 immu_idx |= msr & (1 << MSR_IS) ? 2 : 0; 188 dmmu_idx |= msr & (1 << MSR_DS) ? 2 : 0; 189 } else { 190 dmmu_idx |= msr & (1ull << MSR_HV) ? 4 : 0; 191 immu_idx = dmmu_idx; 192 immu_idx |= msr & (1 << MSR_IR) ? 0 : 2; 193 dmmu_idx |= msr & (1 << MSR_DR) ? 0 : 2; 194 } 195 hflags |= immu_idx << HFLAGS_IMMU_IDX; 196 hflags |= dmmu_idx << HFLAGS_DMMU_IDX; 197 #endif 198 199 hflags |= hreg_compute_pmu_hflags_value(env); 200 201 return hflags | (msr & msr_mask); 202 } 203 204 void hreg_compute_hflags(CPUPPCState *env) 205 { 206 env->hflags = hreg_compute_hflags_value(env); 207 } 208 209 /* 210 * This can be used as a lighter-weight alternative to hreg_compute_hflags 211 * when PMU MMCR0 or pmc_ins_cnt changes. pmc_ins_cnt is changed by 212 * pmu_update_summaries. 213 */ 214 void hreg_update_pmu_hflags(CPUPPCState *env) 215 { 216 env->hflags &= ~hreg_compute_pmu_hflags_mask(env); 217 env->hflags |= hreg_compute_pmu_hflags_value(env); 218 } 219 220 #ifdef CONFIG_DEBUG_TCG 221 void cpu_get_tb_cpu_state(CPUPPCState *env, target_ulong *pc, 222 target_ulong *cs_base, uint32_t *flags) 223 { 224 uint32_t hflags_current = env->hflags; 225 uint32_t hflags_rebuilt; 226 227 *pc = env->nip; 228 *cs_base = 0; 229 *flags = hflags_current; 230 231 hflags_rebuilt = hreg_compute_hflags_value(env); 232 if (unlikely(hflags_current != hflags_rebuilt)) { 233 cpu_abort(env_cpu(env), 234 "TCG hflags mismatch (current:0x%08x rebuilt:0x%08x)\n", 235 hflags_current, hflags_rebuilt); 236 } 237 } 238 #endif 239 240 void cpu_interrupt_exittb(CPUState *cs) 241 { 242 /* 243 * We don't need to worry about translation blocks 244 * unless running with TCG. 245 */ 246 if (tcg_enabled()) { 247 QEMU_IOTHREAD_LOCK_GUARD(); 248 cpu_interrupt(cs, CPU_INTERRUPT_EXITTB); 249 } 250 } 251 252 int hreg_store_msr(CPUPPCState *env, target_ulong value, int alter_hv) 253 { 254 int excp; 255 #if !defined(CONFIG_USER_ONLY) 256 CPUState *cs = env_cpu(env); 257 #endif 258 259 excp = 0; 260 value &= env->msr_mask; 261 #if !defined(CONFIG_USER_ONLY) 262 /* Neither mtmsr nor guest state can alter HV */ 263 if (!alter_hv || !(env->msr & MSR_HVB)) { 264 value &= ~MSR_HVB; 265 value |= env->msr & MSR_HVB; 266 } 267 if ((value ^ env->msr) & (R_MSR_IR_MASK | R_MSR_DR_MASK)) { 268 cpu_interrupt_exittb(cs); 269 } 270 if ((env->mmu_model == POWERPC_MMU_BOOKE || 271 env->mmu_model == POWERPC_MMU_BOOKE206) && 272 ((value ^ env->msr) & R_MSR_GS_MASK)) { 273 cpu_interrupt_exittb(cs); 274 } 275 if (unlikely((env->flags & POWERPC_FLAG_TGPR) && 276 ((value ^ env->msr) & (1 << MSR_TGPR)))) { 277 /* Swap temporary saved registers with GPRs */ 278 hreg_swap_gpr_tgpr(env); 279 } 280 if (unlikely((value ^ env->msr) & R_MSR_EP_MASK)) { 281 env->excp_prefix = FIELD_EX64(value, MSR, EP) * 0xFFF00000; 282 } 283 /* 284 * If PR=1 then EE, IR and DR must be 1 285 * 286 * Note: We only enforce this on 64-bit server processors. 287 * It appears that: 288 * - 32-bit implementations supports PR=1 and EE/DR/IR=0 and MacOS 289 * exploits it. 290 * - 64-bit embedded implementations do not need any operation to be 291 * performed when PR is set. 292 */ 293 if (is_book3s_arch2x(env) && ((value >> MSR_PR) & 1)) { 294 value |= (1 << MSR_EE) | (1 << MSR_DR) | (1 << MSR_IR); 295 } 296 #endif 297 env->msr = value; 298 hreg_compute_hflags(env); 299 #if !defined(CONFIG_USER_ONLY) 300 ppc_maybe_interrupt(env); 301 302 if (unlikely(FIELD_EX64(env->msr, MSR, POW))) { 303 if (!env->pending_interrupts && (*env->check_pow)(env)) { 304 cs->halted = 1; 305 excp = EXCP_HALTED; 306 } 307 } 308 #endif 309 310 return excp; 311 } 312 313 #ifdef CONFIG_SOFTMMU 314 void store_40x_sler(CPUPPCState *env, uint32_t val) 315 { 316 /* XXX: TO BE FIXED */ 317 if (val != 0x00000000) { 318 cpu_abort(env_cpu(env), 319 "Little-endian regions are not supported by now\n"); 320 } 321 env->spr[SPR_405_SLER] = val; 322 } 323 #endif /* CONFIG_SOFTMMU */ 324 325 #ifndef CONFIG_USER_ONLY 326 void check_tlb_flush(CPUPPCState *env, bool global) 327 { 328 CPUState *cs = env_cpu(env); 329 330 /* Handle global flushes first */ 331 if (global && (env->tlb_need_flush & TLB_NEED_GLOBAL_FLUSH)) { 332 env->tlb_need_flush &= ~TLB_NEED_GLOBAL_FLUSH; 333 env->tlb_need_flush &= ~TLB_NEED_LOCAL_FLUSH; 334 tlb_flush_all_cpus(cs); 335 return; 336 } 337 338 /* Then handle local ones */ 339 if (env->tlb_need_flush & TLB_NEED_LOCAL_FLUSH) { 340 env->tlb_need_flush &= ~TLB_NEED_LOCAL_FLUSH; 341 tlb_flush(cs); 342 } 343 } 344 #endif 345 346 /** 347 * _spr_register 348 * 349 * Register an SPR with all the callbacks required for tcg, 350 * and the ID number for KVM. 351 * 352 * The reason for the conditional compilation is that the tcg functions 353 * may be compiled out, and the system kvm header may not be available 354 * for supplying the ID numbers. This is ugly, but the best we can do. 355 */ 356 void _spr_register(CPUPPCState *env, int num, const char *name, 357 USR_ARG(spr_callback *uea_read) 358 USR_ARG(spr_callback *uea_write) 359 SYS_ARG(spr_callback *oea_read) 360 SYS_ARG(spr_callback *oea_write) 361 SYS_ARG(spr_callback *hea_read) 362 SYS_ARG(spr_callback *hea_write) 363 KVM_ARG(uint64_t one_reg_id) 364 target_ulong initial_value) 365 { 366 ppc_spr_t *spr = &env->spr_cb[num]; 367 368 /* No SPR should be registered twice. */ 369 assert(spr->name == NULL); 370 assert(name != NULL); 371 372 spr->name = name; 373 spr->default_value = initial_value; 374 env->spr[num] = initial_value; 375 376 #ifdef CONFIG_TCG 377 spr->uea_read = uea_read; 378 spr->uea_write = uea_write; 379 # ifndef CONFIG_USER_ONLY 380 spr->oea_read = oea_read; 381 spr->oea_write = oea_write; 382 spr->hea_read = hea_read; 383 spr->hea_write = hea_write; 384 # endif 385 #endif 386 #ifdef CONFIG_KVM 387 spr->one_reg_id = one_reg_id; 388 #endif 389 } 390 391 /* Generic PowerPC SPRs */ 392 void register_generic_sprs(PowerPCCPU *cpu) 393 { 394 PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(cpu); 395 CPUPPCState *env = &cpu->env; 396 397 /* Integer processing */ 398 spr_register(env, SPR_XER, "XER", 399 &spr_read_xer, &spr_write_xer, 400 &spr_read_xer, &spr_write_xer, 401 0x00000000); 402 /* Branch control */ 403 spr_register(env, SPR_LR, "LR", 404 &spr_read_lr, &spr_write_lr, 405 &spr_read_lr, &spr_write_lr, 406 0x00000000); 407 spr_register(env, SPR_CTR, "CTR", 408 &spr_read_ctr, &spr_write_ctr, 409 &spr_read_ctr, &spr_write_ctr, 410 0x00000000); 411 /* Interrupt processing */ 412 spr_register(env, SPR_SRR0, "SRR0", 413 SPR_NOACCESS, SPR_NOACCESS, 414 &spr_read_generic, &spr_write_generic, 415 0x00000000); 416 spr_register(env, SPR_SRR1, "SRR1", 417 SPR_NOACCESS, SPR_NOACCESS, 418 &spr_read_generic, &spr_write_generic, 419 0x00000000); 420 /* Processor control */ 421 spr_register(env, SPR_SPRG0, "SPRG0", 422 SPR_NOACCESS, SPR_NOACCESS, 423 &spr_read_generic, &spr_write_generic, 424 0x00000000); 425 spr_register(env, SPR_SPRG1, "SPRG1", 426 SPR_NOACCESS, SPR_NOACCESS, 427 &spr_read_generic, &spr_write_generic, 428 0x00000000); 429 spr_register(env, SPR_SPRG2, "SPRG2", 430 SPR_NOACCESS, SPR_NOACCESS, 431 &spr_read_generic, &spr_write_generic, 432 0x00000000); 433 spr_register(env, SPR_SPRG3, "SPRG3", 434 SPR_NOACCESS, SPR_NOACCESS, 435 &spr_read_generic, &spr_write_generic, 436 0x00000000); 437 438 spr_register(env, SPR_PVR, "PVR", 439 /* Linux permits userspace to read PVR */ 440 #if defined(CONFIG_LINUX_USER) 441 &spr_read_generic, 442 #else 443 SPR_NOACCESS, 444 #endif 445 SPR_NOACCESS, 446 &spr_read_generic, SPR_NOACCESS, 447 pcc->pvr); 448 449 /* Register SVR if it's defined to anything else than POWERPC_SVR_NONE */ 450 if (pcc->svr != POWERPC_SVR_NONE) { 451 if (pcc->svr & POWERPC_SVR_E500) { 452 spr_register(env, SPR_E500_SVR, "SVR", 453 SPR_NOACCESS, SPR_NOACCESS, 454 &spr_read_generic, SPR_NOACCESS, 455 pcc->svr & ~POWERPC_SVR_E500); 456 } else { 457 spr_register(env, SPR_SVR, "SVR", 458 SPR_NOACCESS, SPR_NOACCESS, 459 &spr_read_generic, SPR_NOACCESS, 460 pcc->svr); 461 } 462 } 463 464 /* Time base */ 465 spr_register(env, SPR_VTBL, "TBL", 466 &spr_read_tbl, SPR_NOACCESS, 467 &spr_read_tbl, SPR_NOACCESS, 468 0x00000000); 469 spr_register(env, SPR_TBL, "TBL", 470 &spr_read_tbl, SPR_NOACCESS, 471 &spr_read_tbl, &spr_write_tbl, 472 0x00000000); 473 spr_register(env, SPR_VTBU, "TBU", 474 &spr_read_tbu, SPR_NOACCESS, 475 &spr_read_tbu, SPR_NOACCESS, 476 0x00000000); 477 spr_register(env, SPR_TBU, "TBU", 478 &spr_read_tbu, SPR_NOACCESS, 479 &spr_read_tbu, &spr_write_tbu, 480 0x00000000); 481 } 482 483 void register_non_embedded_sprs(CPUPPCState *env) 484 { 485 /* Exception processing */ 486 spr_register_kvm(env, SPR_DSISR, "DSISR", 487 SPR_NOACCESS, SPR_NOACCESS, 488 &spr_read_generic, &spr_write_generic32, 489 KVM_REG_PPC_DSISR, 0x00000000); 490 spr_register_kvm(env, SPR_DAR, "DAR", 491 SPR_NOACCESS, SPR_NOACCESS, 492 &spr_read_generic, &spr_write_generic, 493 KVM_REG_PPC_DAR, 0x00000000); 494 /* Timer */ 495 spr_register(env, SPR_DECR, "DECR", 496 SPR_NOACCESS, SPR_NOACCESS, 497 &spr_read_decr, &spr_write_decr, 498 0x00000000); 499 } 500 501 /* Storage Description Register 1 */ 502 void register_sdr1_sprs(CPUPPCState *env) 503 { 504 #ifndef CONFIG_USER_ONLY 505 if (env->has_hv_mode) { 506 /* 507 * SDR1 is a hypervisor resource on CPUs which have a 508 * hypervisor mode 509 */ 510 spr_register_hv(env, SPR_SDR1, "SDR1", 511 SPR_NOACCESS, SPR_NOACCESS, 512 SPR_NOACCESS, SPR_NOACCESS, 513 &spr_read_generic, &spr_write_sdr1, 514 0x00000000); 515 } else { 516 spr_register(env, SPR_SDR1, "SDR1", 517 SPR_NOACCESS, SPR_NOACCESS, 518 &spr_read_generic, &spr_write_sdr1, 519 0x00000000); 520 } 521 #endif 522 } 523 524 /* BATs 0-3 */ 525 void register_low_BATs(CPUPPCState *env) 526 { 527 #if !defined(CONFIG_USER_ONLY) 528 spr_register(env, SPR_IBAT0U, "IBAT0U", 529 SPR_NOACCESS, SPR_NOACCESS, 530 &spr_read_ibat, &spr_write_ibatu, 531 0x00000000); 532 spr_register(env, SPR_IBAT0L, "IBAT0L", 533 SPR_NOACCESS, SPR_NOACCESS, 534 &spr_read_ibat, &spr_write_ibatl, 535 0x00000000); 536 spr_register(env, SPR_IBAT1U, "IBAT1U", 537 SPR_NOACCESS, SPR_NOACCESS, 538 &spr_read_ibat, &spr_write_ibatu, 539 0x00000000); 540 spr_register(env, SPR_IBAT1L, "IBAT1L", 541 SPR_NOACCESS, SPR_NOACCESS, 542 &spr_read_ibat, &spr_write_ibatl, 543 0x00000000); 544 spr_register(env, SPR_IBAT2U, "IBAT2U", 545 SPR_NOACCESS, SPR_NOACCESS, 546 &spr_read_ibat, &spr_write_ibatu, 547 0x00000000); 548 spr_register(env, SPR_IBAT2L, "IBAT2L", 549 SPR_NOACCESS, SPR_NOACCESS, 550 &spr_read_ibat, &spr_write_ibatl, 551 0x00000000); 552 spr_register(env, SPR_IBAT3U, "IBAT3U", 553 SPR_NOACCESS, SPR_NOACCESS, 554 &spr_read_ibat, &spr_write_ibatu, 555 0x00000000); 556 spr_register(env, SPR_IBAT3L, "IBAT3L", 557 SPR_NOACCESS, SPR_NOACCESS, 558 &spr_read_ibat, &spr_write_ibatl, 559 0x00000000); 560 spr_register(env, SPR_DBAT0U, "DBAT0U", 561 SPR_NOACCESS, SPR_NOACCESS, 562 &spr_read_dbat, &spr_write_dbatu, 563 0x00000000); 564 spr_register(env, SPR_DBAT0L, "DBAT0L", 565 SPR_NOACCESS, SPR_NOACCESS, 566 &spr_read_dbat, &spr_write_dbatl, 567 0x00000000); 568 spr_register(env, SPR_DBAT1U, "DBAT1U", 569 SPR_NOACCESS, SPR_NOACCESS, 570 &spr_read_dbat, &spr_write_dbatu, 571 0x00000000); 572 spr_register(env, SPR_DBAT1L, "DBAT1L", 573 SPR_NOACCESS, SPR_NOACCESS, 574 &spr_read_dbat, &spr_write_dbatl, 575 0x00000000); 576 spr_register(env, SPR_DBAT2U, "DBAT2U", 577 SPR_NOACCESS, SPR_NOACCESS, 578 &spr_read_dbat, &spr_write_dbatu, 579 0x00000000); 580 spr_register(env, SPR_DBAT2L, "DBAT2L", 581 SPR_NOACCESS, SPR_NOACCESS, 582 &spr_read_dbat, &spr_write_dbatl, 583 0x00000000); 584 spr_register(env, SPR_DBAT3U, "DBAT3U", 585 SPR_NOACCESS, SPR_NOACCESS, 586 &spr_read_dbat, &spr_write_dbatu, 587 0x00000000); 588 spr_register(env, SPR_DBAT3L, "DBAT3L", 589 SPR_NOACCESS, SPR_NOACCESS, 590 &spr_read_dbat, &spr_write_dbatl, 591 0x00000000); 592 env->nb_BATs += 4; 593 #endif 594 } 595 596 /* BATs 4-7 */ 597 void register_high_BATs(CPUPPCState *env) 598 { 599 #if !defined(CONFIG_USER_ONLY) 600 spr_register(env, SPR_IBAT4U, "IBAT4U", 601 SPR_NOACCESS, SPR_NOACCESS, 602 &spr_read_ibat_h, &spr_write_ibatu_h, 603 0x00000000); 604 spr_register(env, SPR_IBAT4L, "IBAT4L", 605 SPR_NOACCESS, SPR_NOACCESS, 606 &spr_read_ibat_h, &spr_write_ibatl_h, 607 0x00000000); 608 spr_register(env, SPR_IBAT5U, "IBAT5U", 609 SPR_NOACCESS, SPR_NOACCESS, 610 &spr_read_ibat_h, &spr_write_ibatu_h, 611 0x00000000); 612 spr_register(env, SPR_IBAT5L, "IBAT5L", 613 SPR_NOACCESS, SPR_NOACCESS, 614 &spr_read_ibat_h, &spr_write_ibatl_h, 615 0x00000000); 616 spr_register(env, SPR_IBAT6U, "IBAT6U", 617 SPR_NOACCESS, SPR_NOACCESS, 618 &spr_read_ibat_h, &spr_write_ibatu_h, 619 0x00000000); 620 spr_register(env, SPR_IBAT6L, "IBAT6L", 621 SPR_NOACCESS, SPR_NOACCESS, 622 &spr_read_ibat_h, &spr_write_ibatl_h, 623 0x00000000); 624 spr_register(env, SPR_IBAT7U, "IBAT7U", 625 SPR_NOACCESS, SPR_NOACCESS, 626 &spr_read_ibat_h, &spr_write_ibatu_h, 627 0x00000000); 628 spr_register(env, SPR_IBAT7L, "IBAT7L", 629 SPR_NOACCESS, SPR_NOACCESS, 630 &spr_read_ibat_h, &spr_write_ibatl_h, 631 0x00000000); 632 spr_register(env, SPR_DBAT4U, "DBAT4U", 633 SPR_NOACCESS, SPR_NOACCESS, 634 &spr_read_dbat_h, &spr_write_dbatu_h, 635 0x00000000); 636 spr_register(env, SPR_DBAT4L, "DBAT4L", 637 SPR_NOACCESS, SPR_NOACCESS, 638 &spr_read_dbat_h, &spr_write_dbatl_h, 639 0x00000000); 640 spr_register(env, SPR_DBAT5U, "DBAT5U", 641 SPR_NOACCESS, SPR_NOACCESS, 642 &spr_read_dbat_h, &spr_write_dbatu_h, 643 0x00000000); 644 spr_register(env, SPR_DBAT5L, "DBAT5L", 645 SPR_NOACCESS, SPR_NOACCESS, 646 &spr_read_dbat_h, &spr_write_dbatl_h, 647 0x00000000); 648 spr_register(env, SPR_DBAT6U, "DBAT6U", 649 SPR_NOACCESS, SPR_NOACCESS, 650 &spr_read_dbat_h, &spr_write_dbatu_h, 651 0x00000000); 652 spr_register(env, SPR_DBAT6L, "DBAT6L", 653 SPR_NOACCESS, SPR_NOACCESS, 654 &spr_read_dbat_h, &spr_write_dbatl_h, 655 0x00000000); 656 spr_register(env, SPR_DBAT7U, "DBAT7U", 657 SPR_NOACCESS, SPR_NOACCESS, 658 &spr_read_dbat_h, &spr_write_dbatu_h, 659 0x00000000); 660 spr_register(env, SPR_DBAT7L, "DBAT7L", 661 SPR_NOACCESS, SPR_NOACCESS, 662 &spr_read_dbat_h, &spr_write_dbatl_h, 663 0x00000000); 664 env->nb_BATs += 4; 665 #endif 666 } 667 668 /* Softare table search registers */ 669 void register_6xx_7xx_soft_tlb(CPUPPCState *env, int nb_tlbs, int nb_ways) 670 { 671 #if !defined(CONFIG_USER_ONLY) 672 env->nb_tlb = nb_tlbs; 673 env->nb_ways = nb_ways; 674 env->id_tlbs = 1; 675 env->tlb_type = TLB_6XX; 676 spr_register(env, SPR_DMISS, "DMISS", 677 SPR_NOACCESS, SPR_NOACCESS, 678 &spr_read_generic, SPR_NOACCESS, 679 0x00000000); 680 spr_register(env, SPR_DCMP, "DCMP", 681 SPR_NOACCESS, SPR_NOACCESS, 682 &spr_read_generic, SPR_NOACCESS, 683 0x00000000); 684 spr_register(env, SPR_HASH1, "HASH1", 685 SPR_NOACCESS, SPR_NOACCESS, 686 &spr_read_generic, SPR_NOACCESS, 687 0x00000000); 688 spr_register(env, SPR_HASH2, "HASH2", 689 SPR_NOACCESS, SPR_NOACCESS, 690 &spr_read_generic, SPR_NOACCESS, 691 0x00000000); 692 spr_register(env, SPR_IMISS, "IMISS", 693 SPR_NOACCESS, SPR_NOACCESS, 694 &spr_read_generic, SPR_NOACCESS, 695 0x00000000); 696 spr_register(env, SPR_ICMP, "ICMP", 697 SPR_NOACCESS, SPR_NOACCESS, 698 &spr_read_generic, SPR_NOACCESS, 699 0x00000000); 700 spr_register(env, SPR_RPA, "RPA", 701 SPR_NOACCESS, SPR_NOACCESS, 702 &spr_read_generic, &spr_write_generic, 703 0x00000000); 704 #endif 705 } 706 707 void register_thrm_sprs(CPUPPCState *env) 708 { 709 /* Thermal management */ 710 spr_register(env, SPR_THRM1, "THRM1", 711 SPR_NOACCESS, SPR_NOACCESS, 712 &spr_read_thrm, &spr_write_generic, 713 0x00000000); 714 715 spr_register(env, SPR_THRM2, "THRM2", 716 SPR_NOACCESS, SPR_NOACCESS, 717 &spr_read_thrm, &spr_write_generic, 718 0x00000000); 719 720 spr_register(env, SPR_THRM3, "THRM3", 721 SPR_NOACCESS, SPR_NOACCESS, 722 &spr_read_thrm, &spr_write_generic, 723 0x00000000); 724 } 725 726 void register_usprgh_sprs(CPUPPCState *env) 727 { 728 spr_register(env, SPR_USPRG4, "USPRG4", 729 &spr_read_ureg, SPR_NOACCESS, 730 &spr_read_ureg, SPR_NOACCESS, 731 0x00000000); 732 spr_register(env, SPR_USPRG5, "USPRG5", 733 &spr_read_ureg, SPR_NOACCESS, 734 &spr_read_ureg, SPR_NOACCESS, 735 0x00000000); 736 spr_register(env, SPR_USPRG6, "USPRG6", 737 &spr_read_ureg, SPR_NOACCESS, 738 &spr_read_ureg, SPR_NOACCESS, 739 0x00000000); 740 spr_register(env, SPR_USPRG7, "USPRG7", 741 &spr_read_ureg, SPR_NOACCESS, 742 &spr_read_ureg, SPR_NOACCESS, 743 0x00000000); 744 } 745