11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This file contains the McKinley PMU register description tables 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and pmc checker used by perfmon.c. 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (C) 2002-2003 Hewlett Packard Co 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Stephane Eranian <eranian@hpl.hp.com> 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int pfm_mck_pmc_check(struct task_struct *task, pfm_context_t *ctx, unsigned int cnum, unsigned long *val, struct pt_regs *regs); 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic pfm_reg_desc_t pfm_mck_pmc_desc[PMU_MAX_PMCS]={ 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc0 */ { PFM_REG_CONTROL , 0, 0x1UL, -1UL, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc1 */ { PFM_REG_CONTROL , 0, 0x0UL, -1UL, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc2 */ { PFM_REG_CONTROL , 0, 0x0UL, -1UL, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc3 */ { PFM_REG_CONTROL , 0, 0x0UL, -1UL, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc4 */ { PFM_REG_COUNTING, 6, 0x0000000000800000UL, 0xfffff7fUL, NULL, pfm_mck_pmc_check, {RDEP(4),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc5 */ { PFM_REG_COUNTING, 6, 0x0UL, 0xfffff7fUL, NULL, pfm_mck_pmc_check, {RDEP(5),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc6 */ { PFM_REG_COUNTING, 6, 0x0UL, 0xfffff7fUL, NULL, pfm_mck_pmc_check, {RDEP(6),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc7 */ { PFM_REG_COUNTING, 6, 0x0UL, 0xfffff7fUL, NULL, pfm_mck_pmc_check, {RDEP(7),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc8 */ { PFM_REG_CONFIG , 0, 0xffffffff3fffffffUL, 0xffffffff3ffffffbUL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc9 */ { PFM_REG_CONFIG , 0, 0xffffffff3ffffffcUL, 0xffffffff3ffffffbUL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc10 */ { PFM_REG_MONITOR , 4, 0x0UL, 0xffffUL, NULL, pfm_mck_pmc_check, {RDEP(0)|RDEP(1),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc11 */ { PFM_REG_MONITOR , 6, 0x0UL, 0x30f01cf, NULL, pfm_mck_pmc_check, {RDEP(2)|RDEP(3)|RDEP(17),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc12 */ { PFM_REG_MONITOR , 6, 0x0UL, 0xffffUL, NULL, pfm_mck_pmc_check, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc13 */ { PFM_REG_CONFIG , 0, 0x00002078fefefefeUL, 0x1e00018181818UL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc14 */ { PFM_REG_CONFIG , 0, 0x0db60db60db60db6UL, 0x2492UL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmc15 */ { PFM_REG_CONFIG , 0, 0x00000000fffffff0UL, 0xfUL, NULL, pfm_mck_pmc_check, {0UL,0UL, 0UL, 0UL}, {0UL,0UL, 0UL, 0UL}}, 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { PFM_REG_END , 0, 0x0UL, -1UL, NULL, NULL, {0,}, {0,}}, /* end marker */ 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic pfm_reg_desc_t pfm_mck_pmd_desc[PMU_MAX_PMDS]={ 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd0 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(1),0UL, 0UL, 0UL}, {RDEP(10),0UL, 0UL, 0UL}}, 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd1 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(0),0UL, 0UL, 0UL}, {RDEP(10),0UL, 0UL, 0UL}}, 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd2 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(3)|RDEP(17),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}}, 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd3 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(2)|RDEP(17),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}}, 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd4 */ { PFM_REG_COUNTING, 0, 0x0UL, -1UL, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(4),0UL, 0UL, 0UL}}, 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd5 */ { PFM_REG_COUNTING, 0, 0x0UL, -1UL, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(5),0UL, 0UL, 0UL}}, 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd6 */ { PFM_REG_COUNTING, 0, 0x0UL, -1UL, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(6),0UL, 0UL, 0UL}}, 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd7 */ { PFM_REG_COUNTING, 0, 0x0UL, -1UL, NULL, NULL, {0UL,0UL, 0UL, 0UL}, {RDEP(7),0UL, 0UL, 0UL}}, 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd8 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd9 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(8)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd10 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd11 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd12 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(13)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd13 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(14)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd14 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(15)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd15 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(16),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd16 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(8)|RDEP(9)|RDEP(10)|RDEP(11)|RDEP(12)|RDEP(13)|RDEP(14)|RDEP(15),0UL, 0UL, 0UL}, {RDEP(12),0UL, 0UL, 0UL}}, 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* pmd17 */ { PFM_REG_BUFFER , 0, 0x0UL, -1UL, NULL, NULL, {RDEP(2)|RDEP(3),0UL, 0UL, 0UL}, {RDEP(11),0UL, 0UL, 0UL}}, 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { PFM_REG_END , 0, 0x0UL, -1UL, NULL, NULL, {0,}, {0,}}, /* end marker */ 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PMC reserved fields must have their power-up values preserved 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldspfm_mck_reserved(unsigned int cnum, unsigned long *val, struct pt_regs *regs) 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long tmp1, tmp2, ival = *val; 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* remove reserved areas from user value */ 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp1 = ival & PMC_RSVD_MASK(cnum); 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* get reserved fields values */ 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds tmp2 = PMC_DFL_VAL(cnum) & ~PMC_RSVD_MASK(cnum); 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds *val = tmp1 | tmp2; 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DPRINT(("pmc[%d]=0x%lx, mask=0x%lx, reset=0x%lx, val=0x%lx\n", 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cnum, ival, PMC_RSVD_MASK(cnum), PMC_DFL_VAL(cnum), *val)); 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * task can be NULL if the context is unloaded 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldspfm_mck_pmc_check(struct task_struct *task, pfm_context_t *ctx, unsigned int cnum, unsigned long *val, struct pt_regs *regs) 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret = 0, check_case1 = 0; 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long val8 = 0, val14 = 0, val13 = 0; 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int is_loaded; 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* first preserve the reserved fields */ 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds pfm_mck_reserved(cnum, val, regs); 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* sanitfy check */ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ctx == NULL) return -EINVAL; 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds is_loaded = ctx->ctx_state == PFM_CTX_LOADED || ctx->ctx_state == PFM_CTX_MASKED; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * we must clear the debug registers if pmc13 has a value which enable 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * memory pipeline event constraints. In this case we need to clear the 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the debug registers if they have not yet been accessed. This is required 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to avoid picking stale state. 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * PMC13 is "active" if: 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * one of the pmc13.cfg_dbrpXX field is different from 0x3 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * AND 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * at the corresponding pmc13.ena_dbrpXX is set. 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DPRINT(("cnum=%u val=0x%lx, using_dbreg=%d loaded=%d\n", cnum, *val, ctx->ctx_fl_using_dbreg, is_loaded)); 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cnum == 13 && is_loaded 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && (*val & 0x1e00000000000UL) && (*val & 0x18181818UL) != 0x18181818UL && ctx->ctx_fl_using_dbreg == 0) { 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DPRINT(("pmc[%d]=0x%lx has active pmc13 settings, clearing dbr\n", cnum, *val)); 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* don't mix debug with perfmon */ 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (task && (task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL; 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a count of 0 will mark the debug registers as in use and also 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ensure that they are properly cleared. 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = pfm_write_ibr_dbr(PFM_DATA_RR, ctx, NULL, 0, regs); 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) return ret; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * we must clear the (instruction) debug registers if any pmc14.ibrpX bit is enabled 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * before they are (fl_using_dbreg==0) to avoid picking up stale information. 1211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (cnum == 14 && is_loaded && ((*val & 0x2222UL) != 0x2222UL) && ctx->ctx_fl_using_dbreg == 0) { 1231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds DPRINT(("pmc[%d]=0x%lx has active pmc14 settings, clearing ibr\n", cnum, *val)); 1251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* don't mix debug with perfmon */ 1271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (task && (task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL; 1281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 1301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * a count of 0 will mark the debug registers as in use and also 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ensure that they are properly cleared. 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = pfm_write_ibr_dbr(PFM_CODE_RR, ctx, NULL, 0, regs); 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) return ret; 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch(cnum) { 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 4: *val |= 1UL << 23; /* force power enable bit */ 1401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 8: val8 = *val; 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val13 = ctx->ctx_pmcs[13]; 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val14 = ctx->ctx_pmcs[14]; 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds check_case1 = 1; 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 13: val8 = ctx->ctx_pmcs[8]; 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val13 = *val; 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val14 = ctx->ctx_pmcs[14]; 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds check_case1 = 1; 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case 14: val8 = ctx->ctx_pmcs[8]; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val13 = ctx->ctx_pmcs[13]; 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds val14 = *val; 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds check_case1 = 1; 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* check illegal configuration which can produce inconsistencies in tagging 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * i-side events in L1D and L2 caches 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (check_case1) { 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = ((val13 >> 45) & 0xf) == 0 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && ((val8 & 0x1) == 0) 1631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds && ((((val14>>1) & 0x3) == 0x2 || ((val14>>1) & 0x3) == 0x0) 1641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ||(((val14>>4) & 0x3) == 0x2 || ((val14>>4) & 0x3) == 0x0)); 1651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) DPRINT((KERN_DEBUG "perfmon: failure check_case1\n")); 1671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 1681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret ? -EINVAL : 0; 1701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 1731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * impl_pmcs, impl_pmds are computed at runtime to minimize errors! 1741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic pmu_config_t pmu_conf_mck={ 1761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .pmu_name = "Itanium 2", 1771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .pmu_family = 0x1f, 1781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .flags = PFM_PMU_IRQ_RESEND, 1791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .ovfl_val = (1UL << 47) - 1, 1801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .pmd_desc = pfm_mck_pmd_desc, 1811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .pmc_desc = pfm_mck_pmc_desc, 1821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .num_ibrs = 8, 1831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .num_dbrs = 8, 18472fdbdce3d52282f8ea95f512e871791256754e6Simon Arlott .use_rr_dbregs = 1 /* debug register are use for range restrictions */ 1851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 188