Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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sys/dev/hwpmc/hwpmc_e500.c
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1 /*- 2 * Copyright (c) 2015 Justin Hibbits 3 * Copyright (c) 2005, Joseph Koshy 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/param.h> 33 #include <sys/pmc.h> 34 #include <sys/pmckern.h> 35 #include <sys/systm.h> 36 37 #include <machine/pmc_mdep.h> 38 #include <machine/cpu.h> 39 40 #include <ddb/ddb.h> 41 42 #include "hwpmc_powerpc.h" 43 44 struct e500_event_code_map { 45 enum pmc_event pe_ev; /* enum value */ 46 uint8_t pe_counter_mask; /* Which counter this can be counted in. */ 47 uint8_t pe_code; /* numeric code */ 48 uint8_t pe_cpu; /* e500 core (v1,v2,mc), mask */ 49 }; 50 51 #define E500_MAX_PMCS 4 52 #define PMC_PPC_MASK0 0 53 #define PMC_PPC_MASK1 1 54 #define PMC_PPC_MASK2 2 55 #define PMC_PPC_MASK3 3 56 #define PMC_PPC_MASK_ALL 0x0f 57 #define PMC_PPC_E500V1 1 58 #define PMC_PPC_E500V2 2 59 #define PMC_PPC_E500MC 4 60 #define PMC_PPC_E500_ANY 7 61 #define PMC_E500_EVENT(id, mask, number, core) \ 62 [PMC_EV_E500_##id - PMC_EV_E500_FIRST] = \ 63 { .pe_ev = PMC_EV_E500_##id, .pe_counter_mask = mask, \ 64 .pe_code = number, .pe_cpu = core } 65 #define PMC_E500MC_ONLY(id, number) \ 66 PMC_E500_EVENT(id, PMC_PPC_MASK_ALL, number, PMC_PPC_E500MC) 67 #define PMC_E500_COMMON(id, number) \ 68 PMC_E500_EVENT(id, PMC_PPC_MASK_ALL, number, PMC_PPC_E500_ANY) 69 70 static struct e500_event_code_map e500_event_codes[] = { 71 PMC_E500_COMMON(CYCLES, 1), 72 PMC_E500_COMMON(INSTR_COMPLETED, 2), 73 PMC_E500_COMMON(UOPS_COMPLETED, 3), 74 PMC_E500_COMMON(INSTR_FETCHED, 4), 75 PMC_E500_COMMON(UOPS_DECODED, 5), 76 PMC_E500_COMMON(PM_EVENT_TRANSITIONS, 6), 77 PMC_E500_COMMON(PM_EVENT_CYCLES, 7), 78 PMC_E500_COMMON(BRANCH_INSTRS_COMPLETED, 8), 79 PMC_E500_COMMON(LOAD_UOPS_COMPLETED, 9), 80 PMC_E500_COMMON(STORE_UOPS_COMPLETED, 10), 81 PMC_E500_COMMON(CQ_REDIRECTS, 11), 82 PMC_E500_COMMON(BRANCHES_FINISHED, 12), 83 PMC_E500_COMMON(TAKEN_BRANCHES_FINISHED, 13), 84 PMC_E500_COMMON(FINISHED_UNCOND_BRANCHES_MISS_BTB, 14), 85 PMC_E500_COMMON(BRANCH_MISPRED, 15), 86 PMC_E500_COMMON(BTB_BRANCH_MISPRED_FROM_DIRECTION, 16), 87 PMC_E500_COMMON(BTB_HITS_PSEUDO_HITS, 17), 88 PMC_E500_COMMON(CYCLES_DECODE_STALLED, 18), 89 PMC_E500_COMMON(CYCLES_ISSUE_STALLED, 19), 90 PMC_E500_COMMON(CYCLES_BRANCH_ISSUE_STALLED, 20), 91 PMC_E500_COMMON(CYCLES_SU1_SCHED_STALLED, 21), 92 PMC_E500_COMMON(CYCLES_SU2_SCHED_STALLED, 22), 93 PMC_E500_COMMON(CYCLES_MU_SCHED_STALLED, 23), 94 PMC_E500_COMMON(CYCLES_LRU_SCHED_STALLED, 24), 95 PMC_E500_COMMON(CYCLES_BU_SCHED_STALLED, 25), 96 PMC_E500_COMMON(TOTAL_TRANSLATED, 26), 97 PMC_E500_COMMON(LOADS_TRANSLATED, 27), 98 PMC_E500_COMMON(STORES_TRANSLATED, 28), 99 PMC_E500_COMMON(TOUCHES_TRANSLATED, 29), 100 PMC_E500_COMMON(CACHEOPS_TRANSLATED, 30), 101 PMC_E500_COMMON(CACHE_INHIBITED_ACCESS_TRANSLATED, 31), 102 PMC_E500_COMMON(GUARDED_LOADS_TRANSLATED, 32), 103 PMC_E500_COMMON(WRITE_THROUGH_STORES_TRANSLATED, 33), 104 PMC_E500_COMMON(MISALIGNED_LOAD_STORE_ACCESS_TRANSLATED, 34), 105 PMC_E500_COMMON(TOTAL_ALLOCATED_TO_DLFB, 35), 106 PMC_E500_COMMON(LOADS_TRANSLATED_ALLOCATED_TO_DLFB, 36), 107 PMC_E500_COMMON(STORES_COMPLETED_ALLOCATED_TO_DLFB, 37), 108 PMC_E500_COMMON(TOUCHES_TRANSLATED_ALLOCATED_TO_DLFB, 38), 109 PMC_E500_COMMON(STORES_COMPLETED, 39), 110 PMC_E500_COMMON(DATA_L1_CACHE_LOCKS, 40), 111 PMC_E500_COMMON(DATA_L1_CACHE_RELOADS, 41), 112 PMC_E500_COMMON(DATA_L1_CACHE_CASTOUTS, 42), 113 PMC_E500_COMMON(LOAD_MISS_DLFB_FULL, 43), 114 PMC_E500_COMMON(LOAD_MISS_LDQ_FULL, 44), 115 PMC_E500_COMMON(LOAD_GUARDED_MISS, 45), 116 PMC_E500_COMMON(STORE_TRANSLATE_WHEN_QUEUE_FULL, 46), 117 PMC_E500_COMMON(ADDRESS_COLLISION, 47), 118 PMC_E500_COMMON(DATA_MMU_MISS, 48), 119 PMC_E500_COMMON(DATA_MMU_BUSY, 49), 120 PMC_E500_COMMON(PART2_MISALIGNED_CACHE_ACCESS, 50), 121 PMC_E500_COMMON(LOAD_MISS_DLFB_FULL_CYCLES, 51), 122 PMC_E500_COMMON(LOAD_MISS_LDQ_FULL_CYCLES, 52), 123 PMC_E500_COMMON(LOAD_GUARDED_MISS_CYCLES, 53), 124 PMC_E500_COMMON(STORE_TRANSLATE_WHEN_QUEUE_FULL_CYCLES, 54), 125 PMC_E500_COMMON(ADDRESS_COLLISION_CYCLES, 55), 126 PMC_E500_COMMON(DATA_MMU_MISS_CYCLES, 56), 127 PMC_E500_COMMON(DATA_MMU_BUSY_CYCLES, 57), 128 PMC_E500_COMMON(PART2_MISALIGNED_CACHE_ACCESS_CYCLES, 58), 129 PMC_E500_COMMON(INSTR_L1_CACHE_LOCKS, 59), 130 PMC_E500_COMMON(INSTR_L1_CACHE_RELOADS, 60), 131 PMC_E500_COMMON(INSTR_L1_CACHE_FETCHES, 61), 132 PMC_E500_COMMON(INSTR_MMU_TLB4K_RELOADS, 62), 133 PMC_E500_COMMON(INSTR_MMU_VSP_RELOADS, 63), 134 PMC_E500_COMMON(DATA_MMU_TLB4K_RELOADS, 64), 135 PMC_E500_COMMON(DATA_MMU_VSP_RELOADS, 65), 136 PMC_E500_COMMON(L2MMU_MISSES, 66), 137 PMC_E500_COMMON(BIU_MASTER_REQUESTS, 67), 138 PMC_E500_COMMON(BIU_MASTER_INSTR_SIDE_REQUESTS, 68), 139 PMC_E500_COMMON(BIU_MASTER_DATA_SIDE_REQUESTS, 69), 140 PMC_E500_COMMON(BIU_MASTER_DATA_SIDE_CASTOUT_REQUESTS, 70), 141 PMC_E500_COMMON(BIU_MASTER_RETRIES, 71), 142 PMC_E500_COMMON(SNOOP_REQUESTS, 72), 143 PMC_E500_COMMON(SNOOP_HITS, 73), 144 PMC_E500_COMMON(SNOOP_PUSHES, 74), 145 PMC_E500_COMMON(SNOOP_RETRIES, 75), 146 PMC_E500_EVENT(DLFB_LOAD_MISS_CYCLES, PMC_PPC_MASK0|PMC_PPC_MASK1, 147 76, PMC_PPC_E500_ANY), 148 PMC_E500_EVENT(ILFB_FETCH_MISS_CYCLES, PMC_PPC_MASK0|PMC_PPC_MASK1, 149 77, PMC_PPC_E500_ANY), 150 PMC_E500_EVENT(EXT_INPU_INTR_LATENCY_CYCLES, PMC_PPC_MASK0|PMC_PPC_MASK1, 151 78, PMC_PPC_E500_ANY), 152 PMC_E500_EVENT(CRIT_INPUT_INTR_LATENCY_CYCLES, PMC_PPC_MASK0|PMC_PPC_MASK1, 153 79, PMC_PPC_E500_ANY), 154 PMC_E500_EVENT(EXT_INPUT_INTR_PENDING_LATENCY_CYCLES, 155 PMC_PPC_MASK0|PMC_PPC_MASK1, 80, PMC_PPC_E500_ANY), 156 PMC_E500_EVENT(CRIT_INPUT_INTR_PENDING_LATENCY_CYCLES, 157 PMC_PPC_MASK0|PMC_PPC_MASK1, 81, PMC_PPC_E500_ANY), 158 PMC_E500_COMMON(PMC0_OVERFLOW, 82), 159 PMC_E500_COMMON(PMC1_OVERFLOW, 83), 160 PMC_E500_COMMON(PMC2_OVERFLOW, 84), 161 PMC_E500_COMMON(PMC3_OVERFLOW, 85), 162 PMC_E500_COMMON(INTERRUPTS_TAKEN, 86), 163 PMC_E500_COMMON(EXT_INPUT_INTR_TAKEN, 87), 164 PMC_E500_COMMON(CRIT_INPUT_INTR_TAKEN, 88), 165 PMC_E500_COMMON(SYSCALL_TRAP_INTR, 89), 166 PMC_E500_EVENT(TLB_BIT_TRANSITIONS, PMC_PPC_MASK_ALL, 90, 167 PMC_PPC_E500V2 | PMC_PPC_E500MC), 168 PMC_E500MC_ONLY(L2_LINEFILL_BUFFER, 91), 169 PMC_E500MC_ONLY(LV2_VS, 92), 170 PMC_E500MC_ONLY(CASTOUTS_RELEASED, 93), 171 PMC_E500MC_ONLY(INTV_ALLOCATIONS, 94), 172 PMC_E500MC_ONLY(DLFB_RETRIES_TO_MBAR, 95), 173 PMC_E500MC_ONLY(STORE_RETRIES, 96), 174 PMC_E500MC_ONLY(STASH_L1_HITS, 97), 175 PMC_E500MC_ONLY(STASH_L2_HITS, 98), 176 PMC_E500MC_ONLY(STASH_BUSY_1, 99), 177 PMC_E500MC_ONLY(STASH_BUSY_2, 100), 178 PMC_E500MC_ONLY(STASH_BUSY_3, 101), 179 PMC_E500MC_ONLY(STASH_HITS, 102), 180 PMC_E500MC_ONLY(STASH_HIT_DLFB, 103), 181 PMC_E500MC_ONLY(STASH_REQUESTS, 106), 182 PMC_E500MC_ONLY(STASH_REQUESTS_L1, 107), 183 PMC_E500MC_ONLY(STASH_REQUESTS_L2, 108), 184 PMC_E500MC_ONLY(STALLS_NO_CAQ_OR_COB, 109), 185 PMC_E500MC_ONLY(L2_CACHE_ACCESSES, 110), 186 PMC_E500MC_ONLY(L2_HIT_CACHE_ACCESSES, 111), 187 PMC_E500MC_ONLY(L2_CACHE_DATA_ACCESSES, 112), 188 PMC_E500MC_ONLY(L2_CACHE_DATA_HITS, 113), 189 PMC_E500MC_ONLY(L2_CACHE_INSTR_ACCESSES, 114), 190 PMC_E500MC_ONLY(L2_CACHE_INSTR_HITS, 115), 191 PMC_E500MC_ONLY(L2_CACHE_ALLOCATIONS, 116), 192 PMC_E500MC_ONLY(L2_CACHE_DATA_ALLOCATIONS, 117), 193 PMC_E500MC_ONLY(L2_CACHE_DIRTY_DATA_ALLOCATIONS, 118), 194 PMC_E500MC_ONLY(L2_CACHE_INSTR_ALLOCATIONS, 119), 195 PMC_E500MC_ONLY(L2_CACHE_UPDATES, 120), 196 PMC_E500MC_ONLY(L2_CACHE_CLEAN_UPDATES, 121), 197 PMC_E500MC_ONLY(L2_CACHE_DIRTY_UPDATES, 122), 198 PMC_E500MC_ONLY(L2_CACHE_CLEAN_REDUNDANT_UPDATES, 123), 199 PMC_E500MC_ONLY(L2_CACHE_DIRTY_REDUNDANT_UPDATES, 124), 200 PMC_E500MC_ONLY(L2_CACHE_LOCKS, 125), 201 PMC_E500MC_ONLY(L2_CACHE_CASTOUTS, 126), 202 PMC_E500MC_ONLY(L2_CACHE_DATA_DIRTY_HITS, 127), 203 PMC_E500MC_ONLY(INSTR_LFB_WENT_HIGH_PRIORITY, 128), 204 PMC_E500MC_ONLY(SNOOP_THROTTLING_TURNED_ON, 129), 205 PMC_E500MC_ONLY(L2_CLEAN_LINE_INVALIDATIONS, 130), 206 PMC_E500MC_ONLY(L2_INCOHERENT_LINE_INVALIDATIONS, 131), 207 PMC_E500MC_ONLY(L2_COHERENT_LINE_INVALIDATIONS, 132), 208 PMC_E500MC_ONLY(COHERENT_LOOKUP_MISS_DUE_TO_VALID_BUT_INCOHERENT_MATCHES, 133), 209 PMC_E500MC_ONLY(IAC1S_DETECTED, 140), 210 PMC_E500MC_ONLY(IAC2S_DETECTED, 141), 211 PMC_E500MC_ONLY(DAC1S_DTECTED, 144), 212 PMC_E500MC_ONLY(DAC2S_DTECTED, 145), 213 PMC_E500MC_ONLY(DVT0_DETECTED, 148), 214 PMC_E500MC_ONLY(DVT1_DETECTED, 149), 215 PMC_E500MC_ONLY(DVT2_DETECTED, 150), 216 PMC_E500MC_ONLY(DVT3_DETECTED, 151), 217 PMC_E500MC_ONLY(DVT4_DETECTED, 152), 218 PMC_E500MC_ONLY(DVT5_DETECTED, 153), 219 PMC_E500MC_ONLY(DVT6_DETECTED, 154), 220 PMC_E500MC_ONLY(DVT7_DETECTED, 155), 221 PMC_E500MC_ONLY(CYCLES_COMPLETION_STALLED_NEXUS_FIFO_FULL, 156), 222 PMC_E500MC_ONLY(FPU_DOUBLE_PUMP, 160), 223 PMC_E500MC_ONLY(FPU_FINISH, 161), 224 PMC_E500MC_ONLY(FPU_DIVIDE_CYCLES, 162), 225 PMC_E500MC_ONLY(FPU_DENORM_INPUT_CYCLES, 163), 226 PMC_E500MC_ONLY(FPU_RESULT_STALL_CYCLES, 164), 227 PMC_E500MC_ONLY(FPU_FPSCR_FULL_STALL, 165), 228 PMC_E500MC_ONLY(FPU_PIPE_SYNC_STALLS, 166), 229 PMC_E500MC_ONLY(FPU_INPUT_DATA_STALLS, 167), 230 PMC_E500MC_ONLY(DECORATED_LOADS, 176), 231 PMC_E500MC_ONLY(DECORATED_STORES, 177), 232 PMC_E500MC_ONLY(LOAD_RETRIES, 178), 233 PMC_E500MC_ONLY(STWCX_SUCCESSES, 179), 234 PMC_E500MC_ONLY(STWCX_FAILURES, 180), 235 }; 236 237 static pmc_value_t 238 e500_pmcn_read(unsigned int pmc) 239 { 240 switch (pmc) { 241 case 0: 242 return (mfpmr(PMR_PMC0)); 243 case 1: 244 return (mfpmr(PMR_PMC1)); 245 case 2: 246 return (mfpmr(PMR_PMC2)); 247 case 3: 248 return (mfpmr(PMR_PMC3)); 249 default: 250 panic("Invalid PMC number: %d\n", pmc); 251 } 252 } 253 254 static void 255 e500_pmcn_write(unsigned int pmc, uint32_t val) 256 { 257 switch (pmc) { 258 case 0: 259 mtpmr(PMR_PMC0, val); 260 break; 261 case 1: 262 mtpmr(PMR_PMC1, val); 263 break; 264 case 2: 265 mtpmr(PMR_PMC2, val); 266 break; 267 case 3: 268 mtpmr(PMR_PMC3, val); 269 break; 270 default: 271 panic("Invalid PMC number: %d\n", pmc); 272 } 273 } 274 275 static void 276 e500_set_pmc(int cpu, int ri, int config) 277 { 278 struct pmc *pm; 279 struct pmc_hw *phw; 280 register_t pmc_pmlc; 281 282 phw = &powerpc_pcpu[cpu]->pc_ppcpmcs[ri]; 283 pm = phw->phw_pmc; 284 config &= ~POWERPC_PMC_ENABLE; 285 286 if (config != PMCN_NONE) { 287 if (PMC_IS_SAMPLING_MODE(PMC_TO_MODE(pm))) 288 config |= PMLCax_CE; 289 290 /* Enable the PMC. */ 291 switch (ri) { 292 case 0: 293 mtpmr(PMR_PMLCa0, config); 294 break; 295 case 1: 296 mtpmr(PMR_PMLCa1, config); 297 break; 298 case 2: 299 mtpmr(PMR_PMLCa2, config); 300 break; 301 case 3: 302 mtpmr(PMR_PMLCa3, config); 303 break; 304 } 305 } else { 306 /* Disable the PMC. */ 307 switch (ri) { 308 case 0: 309 pmc_pmlc = mfpmr(PMR_PMLCa0); 310 pmc_pmlc |= PMLCax_FC; 311 mtpmr(PMR_PMLCa0, pmc_pmlc); 312 break; 313 case 1: 314 pmc_pmlc = mfpmr(PMR_PMLCa1); 315 pmc_pmlc |= PMLCax_FC; 316 mtpmr(PMR_PMLCa1, pmc_pmlc); 317 break; 318 case 2: 319 pmc_pmlc = mfpmr(PMR_PMLCa2); 320 pmc_pmlc |= PMLCax_FC; 321 mtpmr(PMR_PMLCa2, pmc_pmlc); 322 break; 323 case 3: 324 pmc_pmlc = mfpmr(PMR_PMLCa3); 325 pmc_pmlc |= PMLCax_FC; 326 mtpmr(PMR_PMLCa3, pmc_pmlc); 327 break; 328 } 329 } 330 } 331 332 static int 333 e500_pcpu_init(struct pmc_mdep *md, int cpu) 334 { 335 int i; 336 337 powerpc_pcpu_init(md, cpu); 338 339 /* Freeze all counters. */ 340 mtpmr(PMR_PMGC0, PMGC_FAC | PMGC_PMIE | PMGC_FCECE); 341 342 for (i = 0; i < E500_MAX_PMCS; i++) 343 /* Initialize the PMC to stopped */ 344 powerpc_stop_pmc(cpu, i); 345 346 /* Unfreeze global register. */ 347 mtpmr(PMR_PMGC0, PMGC_PMIE | PMGC_FCECE); 348 349 return (0); 350 } 351 352 static int 353 e500_pcpu_fini(struct pmc_mdep *md, int cpu) 354 { 355 uint32_t pmgc0 = mfpmr(PMR_PMGC0); 356 357 pmgc0 |= PMGC_FAC; 358 mtpmr(PMR_PMGC0, pmgc0); 359 mtmsr(mfmsr() & ~PSL_PMM); 360 361 return (powerpc_pcpu_fini(md, cpu)); 362 } 363 364 static int 365 e500_allocate_pmc(int cpu, int ri, struct pmc *pm, 366 const struct pmc_op_pmcallocate *a) 367 { 368 enum pmc_event pe; 369 uint32_t caps, config, counter; 370 struct e500_event_code_map *ev; 371 uint16_t vers; 372 uint8_t pe_cpu_mask; 373 374 KASSERT(cpu >= 0 && cpu < pmc_cpu_max(), 375 ("[powerpc,%d] illegal CPU value %d", __LINE__, cpu)); 376 KASSERT(ri >= 0 && ri < E500_MAX_PMCS, 377 ("[powerpc,%d] illegal row index %d", __LINE__, ri)); 378 379 if (a->pm_class != PMC_CLASS_E500) 380 return (EINVAL); 381 382 caps = a->pm_caps; 383 384 pe = a->pm_ev; 385 config = PMLCax_FCS | PMLCax_FCU | 386 PMLCax_FCM1 | PMLCax_FCM1; 387 388 if (pe < PMC_EV_E500_FIRST || pe > PMC_EV_E500_LAST) 389 return (EINVAL); 390 391 ev = &e500_event_codes[pe-PMC_EV_E500_FIRST]; 392 if (ev->pe_code == 0) 393 return (EINVAL); 394 395 vers = mfpvr() >> 16; 396 switch (vers) { 397 case FSL_E500v1: 398 pe_cpu_mask = ev->pe_cpu & PMC_PPC_E500V1; 399 break; 400 case FSL_E500v2: 401 pe_cpu_mask = ev->pe_cpu & PMC_PPC_E500V2; 402 break; 403 case FSL_E500mc: 404 case FSL_E5500: 405 pe_cpu_mask = ev->pe_cpu & PMC_PPC_E500MC; 406 break; 407 } 408 if (pe_cpu_mask == 0) 409 return (EINVAL); 410 411 config |= PMLCax_EVENT(ev->pe_code); 412 counter = ev->pe_counter_mask; 413 if ((counter & (1 << ri)) == 0) 414 return (EINVAL); 415 416 if (caps & PMC_CAP_SYSTEM) 417 config &= ~PMLCax_FCS; 418 if (caps & PMC_CAP_USER) 419 config &= ~PMLCax_FCU; 420 if ((caps & (PMC_CAP_USER | PMC_CAP_SYSTEM)) == 0) 421 config &= ~(PMLCax_FCS|PMLCax_FCU); 422 423 pm->pm_md.pm_powerpc.pm_powerpc_evsel = config; 424 425 PMCDBG2(MDP,ALL,2,"powerpc-allocate ri=%d -> config=0x%x", ri, config); 426 427 return 0; 428 } 429 430 static void 431 e500_resume_pmc(bool ie) 432 { 433 /* Re-enable PERF exceptions. */ 434 if (ie) 435 mtpmr(PMR_PMGC0, (mfpmr(PMR_PMGC0) & ~PMGC_FAC) | PMGC_PMIE); 436 } 437 438 int 439 pmc_e500_initialize(struct pmc_mdep *pmc_mdep) 440 { 441 struct pmc_classdep *pcd; 442 443 pmc_mdep->pmd_cputype = PMC_CPU_PPC_E500; 444 445 pcd = &pmc_mdep->pmd_classdep[PMC_MDEP_CLASS_INDEX_POWERPC]; 446 pcd->pcd_caps = POWERPC_PMC_CAPS; 447 pcd->pcd_class = PMC_CLASS_E500; 448 pcd->pcd_num = E500_MAX_PMCS; 449 pcd->pcd_ri = pmc_mdep->pmd_npmc; 450 pcd->pcd_width = 32; 451 452 pcd->pcd_allocate_pmc = e500_allocate_pmc; 453 pcd->pcd_config_pmc = powerpc_config_pmc; 454 pcd->pcd_pcpu_fini = e500_pcpu_fini; 455 pcd->pcd_pcpu_init = e500_pcpu_init; 456 pcd->pcd_describe = powerpc_describe; 457 pcd->pcd_get_config = powerpc_get_config; 458 pcd->pcd_read_pmc = powerpc_read_pmc; 459 pcd->pcd_release_pmc = powerpc_release_pmc; 460 pcd->pcd_start_pmc = powerpc_start_pmc; 461 pcd->pcd_stop_pmc = powerpc_stop_pmc; 462 pcd->pcd_write_pmc = powerpc_write_pmc; 463 464 pmc_mdep->pmd_npmc += E500_MAX_PMCS; 465 pmc_mdep->pmd_intr = powerpc_pmc_intr; 466 467 ppc_max_pmcs = E500_MAX_PMCS; 468 469 powerpc_set_pmc = e500_set_pmc; 470 powerpc_pmcn_read = e500_pmcn_read; 471 powerpc_pmcn_write = e500_pmcn_write; 472 powerpc_resume_pmc = e500_resume_pmc; 473 474 return (0); 475 }
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