diff options
author | Tony Luck <tony.luck@intel.com> | 2006-01-16 23:02:24 -0500 |
---|---|---|
committer | Tony Luck <tony.luck@intel.com> | 2006-01-16 23:02:24 -0500 |
commit | 859538763155814d217054eb6e3cdff71bdb4d89 (patch) | |
tree | 9366c72527102d67728b9cafc53654ad579ba40b /arch | |
parent | 53493dcf6e9e27cc9379cbf8962642986927aea9 (diff) | |
parent | 9179cb65780def28770a895a4bc8fa60e903ab80 (diff) |
Pull perfmon-montecito into release branch
Diffstat (limited to 'arch')
-rw-r--r-- | arch/ia64/kernel/perfmon.c | 2 | ||||
-rw-r--r-- | arch/ia64/kernel/perfmon_montecito.h | 269 |
2 files changed, 271 insertions, 0 deletions
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c index bd87cb6b7a81..2ea4b39efffa 100644 --- a/arch/ia64/kernel/perfmon.c +++ b/arch/ia64/kernel/perfmon.c | |||
@@ -628,9 +628,11 @@ static int pfm_write_ibr_dbr(int mode, pfm_context_t *ctx, void *arg, int count, | |||
628 | 628 | ||
629 | #include "perfmon_itanium.h" | 629 | #include "perfmon_itanium.h" |
630 | #include "perfmon_mckinley.h" | 630 | #include "perfmon_mckinley.h" |
631 | #include "perfmon_montecito.h" | ||
631 | #include "perfmon_generic.h" | 632 | #include "perfmon_generic.h" |
632 | 633 | ||
633 | static pmu_config_t *pmu_confs[]={ | 634 | static pmu_config_t *pmu_confs[]={ |
635 | &pmu_conf_mont, | ||
634 | &pmu_conf_mck, | 636 | &pmu_conf_mck, |
635 | &pmu_conf_ita, | 637 | &pmu_conf_ita, |
636 | &pmu_conf_gen, /* must be last */ | 638 | &pmu_conf_gen, /* must be last */ |
diff --git a/arch/ia64/kernel/perfmon_montecito.h b/arch/ia64/kernel/perfmon_montecito.h new file mode 100644 index 000000000000..cd06ac6a686c --- /dev/null +++ b/arch/ia64/kernel/perfmon_montecito.h | |||
@@ -0,0 +1,269 @@ | |||
1 | /* | ||
2 | * This file contains the Montecito PMU register description tables | ||
3 | * and pmc checker used by perfmon.c. | ||
4 | * | ||
5 | * Copyright (c) 2005-2006 Hewlett-Packard Development Company, L.P. | ||
6 | * Contributed by Stephane Eranian <eranian@hpl.hp.com> | ||
7 | */ | ||
8 | static int pfm_mont_pmc_check(struct task_struct *task, pfm_context_t *ctx, unsigned int cnum, unsigned long *val, struct pt_regs *regs); | ||
9 | |||
10 | #define RDEP_MONT_ETB (RDEP(38)|RDEP(39)|RDEP(48)|RDEP(49)|RDEP(50)|RDEP(51)|RDEP(52)|RDEP(53)|RDEP(54)|\ | ||
11 | RDEP(55)|RDEP(56)|RDEP(57)|RDEP(58)|RDEP(59)|RDEP(60)|RDEP(61)|RDEP(62)|RDEP(63)) | ||
12 | #define RDEP_MONT_DEAR (RDEP(32)|RDEP(33)|RDEP(36)) | ||
13 | #define RDEP_MONT_IEAR (RDEP(34)|RDEP(35)) | ||
14 | |||
15 | static pfm_reg_desc_t pfm_mont_pmc_desc[PMU_MAX_PMCS]={ | ||
16 | /* pmc0 */ { PFM_REG_CONTROL , 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
17 | /* pmc1 */ { PFM_REG_CONTROL , 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
18 | /* pmc2 */ { PFM_REG_CONTROL , 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
19 | /* pmc3 */ { PFM_REG_CONTROL , 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
20 | /* pmc4 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(4),0, 0, 0}, {0,0, 0, 0}}, | ||
21 | /* pmc5 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(5),0, 0, 0}, {0,0, 0, 0}}, | ||
22 | /* pmc6 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(6),0, 0, 0}, {0,0, 0, 0}}, | ||
23 | /* pmc7 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(7),0, 0, 0}, {0,0, 0, 0}}, | ||
24 | /* pmc8 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(8),0, 0, 0}, {0,0, 0, 0}}, | ||
25 | /* pmc9 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(9),0, 0, 0}, {0,0, 0, 0}}, | ||
26 | /* pmc10 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(10),0, 0, 0}, {0,0, 0, 0}}, | ||
27 | /* pmc11 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(11),0, 0, 0}, {0,0, 0, 0}}, | ||
28 | /* pmc12 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(12),0, 0, 0}, {0,0, 0, 0}}, | ||
29 | /* pmc13 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(13),0, 0, 0}, {0,0, 0, 0}}, | ||
30 | /* pmc14 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(14),0, 0, 0}, {0,0, 0, 0}}, | ||
31 | /* pmc15 */ { PFM_REG_COUNTING, 6, 0x2000000, 0x7c7fff7f, NULL, pfm_mont_pmc_check, {RDEP(15),0, 0, 0}, {0,0, 0, 0}}, | ||
32 | /* pmc16 */ { PFM_REG_NOTIMPL, }, | ||
33 | /* pmc17 */ { PFM_REG_NOTIMPL, }, | ||
34 | /* pmc18 */ { PFM_REG_NOTIMPL, }, | ||
35 | /* pmc19 */ { PFM_REG_NOTIMPL, }, | ||
36 | /* pmc20 */ { PFM_REG_NOTIMPL, }, | ||
37 | /* pmc21 */ { PFM_REG_NOTIMPL, }, | ||
38 | /* pmc22 */ { PFM_REG_NOTIMPL, }, | ||
39 | /* pmc23 */ { PFM_REG_NOTIMPL, }, | ||
40 | /* pmc24 */ { PFM_REG_NOTIMPL, }, | ||
41 | /* pmc25 */ { PFM_REG_NOTIMPL, }, | ||
42 | /* pmc26 */ { PFM_REG_NOTIMPL, }, | ||
43 | /* pmc27 */ { PFM_REG_NOTIMPL, }, | ||
44 | /* pmc28 */ { PFM_REG_NOTIMPL, }, | ||
45 | /* pmc29 */ { PFM_REG_NOTIMPL, }, | ||
46 | /* pmc30 */ { PFM_REG_NOTIMPL, }, | ||
47 | /* pmc31 */ { PFM_REG_NOTIMPL, }, | ||
48 | /* pmc32 */ { PFM_REG_CONFIG, 0, 0x30f01ffffffffff, 0x30f01ffffffffff, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
49 | /* pmc33 */ { PFM_REG_CONFIG, 0, 0x0, 0x1ffffffffff, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
50 | /* pmc34 */ { PFM_REG_CONFIG, 0, 0xf01ffffffffff, 0xf01ffffffffff, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
51 | /* pmc35 */ { PFM_REG_CONFIG, 0, 0x0, 0x1ffffffffff, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
52 | /* pmc36 */ { PFM_REG_CONFIG, 0, 0xfffffff0, 0xf, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
53 | /* pmc37 */ { PFM_REG_MONITOR, 4, 0x0, 0x3fff, NULL, pfm_mont_pmc_check, {RDEP_MONT_IEAR, 0, 0, 0}, {0, 0, 0, 0}}, | ||
54 | /* pmc38 */ { PFM_REG_CONFIG, 0, 0xdb6, 0x2492, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
55 | /* pmc39 */ { PFM_REG_MONITOR, 6, 0x0, 0xffcf, NULL, pfm_mont_pmc_check, {RDEP_MONT_ETB,0, 0, 0}, {0,0, 0, 0}}, | ||
56 | /* pmc40 */ { PFM_REG_MONITOR, 6, 0x2000000, 0xf01cf, NULL, pfm_mont_pmc_check, {RDEP_MONT_DEAR,0, 0, 0}, {0,0, 0, 0}}, | ||
57 | /* pmc41 */ { PFM_REG_CONFIG, 0, 0x00002078fefefefe, 0x1e00018181818, NULL, pfm_mont_pmc_check, {0,0, 0, 0}, {0,0, 0, 0}}, | ||
58 | /* pmc42 */ { PFM_REG_MONITOR, 6, 0x0, 0x7ff4f, NULL, pfm_mont_pmc_check, {RDEP_MONT_ETB,0, 0, 0}, {0,0, 0, 0}}, | ||
59 | { PFM_REG_END , 0, 0x0, -1, NULL, NULL, {0,}, {0,}}, /* end marker */ | ||
60 | }; | ||
61 | |||
62 | static pfm_reg_desc_t pfm_mont_pmd_desc[PMU_MAX_PMDS]={ | ||
63 | /* pmd0 */ { PFM_REG_NOTIMPL, }, | ||
64 | /* pmd1 */ { PFM_REG_NOTIMPL, }, | ||
65 | /* pmd2 */ { PFM_REG_NOTIMPL, }, | ||
66 | /* pmd3 */ { PFM_REG_NOTIMPL, }, | ||
67 | /* pmd4 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(4),0, 0, 0}}, | ||
68 | /* pmd5 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(5),0, 0, 0}}, | ||
69 | /* pmd6 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(6),0, 0, 0}}, | ||
70 | /* pmd7 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(7),0, 0, 0}}, | ||
71 | /* pmd8 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(8),0, 0, 0}}, | ||
72 | /* pmd9 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(9),0, 0, 0}}, | ||
73 | /* pmd10 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(10),0, 0, 0}}, | ||
74 | /* pmd11 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(11),0, 0, 0}}, | ||
75 | /* pmd12 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(12),0, 0, 0}}, | ||
76 | /* pmd13 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(13),0, 0, 0}}, | ||
77 | /* pmd14 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(14),0, 0, 0}}, | ||
78 | /* pmd15 */ { PFM_REG_COUNTING, 0, 0x0, -1, NULL, NULL, {0,0, 0, 0}, {RDEP(15),0, 0, 0}}, | ||
79 | /* pmd16 */ { PFM_REG_NOTIMPL, }, | ||
80 | /* pmd17 */ { PFM_REG_NOTIMPL, }, | ||
81 | /* pmd18 */ { PFM_REG_NOTIMPL, }, | ||
82 | /* pmd19 */ { PFM_REG_NOTIMPL, }, | ||
83 | /* pmd20 */ { PFM_REG_NOTIMPL, }, | ||
84 | /* pmd21 */ { PFM_REG_NOTIMPL, }, | ||
85 | /* pmd22 */ { PFM_REG_NOTIMPL, }, | ||
86 | /* pmd23 */ { PFM_REG_NOTIMPL, }, | ||
87 | /* pmd24 */ { PFM_REG_NOTIMPL, }, | ||
88 | /* pmd25 */ { PFM_REG_NOTIMPL, }, | ||
89 | /* pmd26 */ { PFM_REG_NOTIMPL, }, | ||
90 | /* pmd27 */ { PFM_REG_NOTIMPL, }, | ||
91 | /* pmd28 */ { PFM_REG_NOTIMPL, }, | ||
92 | /* pmd29 */ { PFM_REG_NOTIMPL, }, | ||
93 | /* pmd30 */ { PFM_REG_NOTIMPL, }, | ||
94 | /* pmd31 */ { PFM_REG_NOTIMPL, }, | ||
95 | /* pmd32 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(33)|RDEP(36),0, 0, 0}, {RDEP(40),0, 0, 0}}, | ||
96 | /* pmd33 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(32)|RDEP(36),0, 0, 0}, {RDEP(40),0, 0, 0}}, | ||
97 | /* pmd34 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(35),0, 0, 0}, {RDEP(37),0, 0, 0}}, | ||
98 | /* pmd35 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(34),0, 0, 0}, {RDEP(37),0, 0, 0}}, | ||
99 | /* pmd36 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP(32)|RDEP(33),0, 0, 0}, {RDEP(40),0, 0, 0}}, | ||
100 | /* pmd37 */ { PFM_REG_NOTIMPL, }, | ||
101 | /* pmd38 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
102 | /* pmd39 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
103 | /* pmd40 */ { PFM_REG_NOTIMPL, }, | ||
104 | /* pmd41 */ { PFM_REG_NOTIMPL, }, | ||
105 | /* pmd42 */ { PFM_REG_NOTIMPL, }, | ||
106 | /* pmd43 */ { PFM_REG_NOTIMPL, }, | ||
107 | /* pmd44 */ { PFM_REG_NOTIMPL, }, | ||
108 | /* pmd45 */ { PFM_REG_NOTIMPL, }, | ||
109 | /* pmd46 */ { PFM_REG_NOTIMPL, }, | ||
110 | /* pmd47 */ { PFM_REG_NOTIMPL, }, | ||
111 | /* pmd48 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
112 | /* pmd49 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
113 | /* pmd50 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
114 | /* pmd51 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
115 | /* pmd52 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
116 | /* pmd53 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
117 | /* pmd54 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
118 | /* pmd55 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
119 | /* pmd56 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
120 | /* pmd57 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
121 | /* pmd58 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
122 | /* pmd59 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
123 | /* pmd60 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
124 | /* pmd61 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
125 | /* pmd62 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
126 | /* pmd63 */ { PFM_REG_BUFFER, 0, 0x0, -1, NULL, NULL, {RDEP_MONT_ETB,0, 0, 0}, {RDEP(39),0, 0, 0}}, | ||
127 | { PFM_REG_END , 0, 0x0, -1, NULL, NULL, {0,}, {0,}}, /* end marker */ | ||
128 | }; | ||
129 | |||
130 | /* | ||
131 | * PMC reserved fields must have their power-up values preserved | ||
132 | */ | ||
133 | static int | ||
134 | pfm_mont_reserved(unsigned int cnum, unsigned long *val, struct pt_regs *regs) | ||
135 | { | ||
136 | unsigned long tmp1, tmp2, ival = *val; | ||
137 | |||
138 | /* remove reserved areas from user value */ | ||
139 | tmp1 = ival & PMC_RSVD_MASK(cnum); | ||
140 | |||
141 | /* get reserved fields values */ | ||
142 | tmp2 = PMC_DFL_VAL(cnum) & ~PMC_RSVD_MASK(cnum); | ||
143 | |||
144 | *val = tmp1 | tmp2; | ||
145 | |||
146 | DPRINT(("pmc[%d]=0x%lx, mask=0x%lx, reset=0x%lx, val=0x%lx\n", | ||
147 | cnum, ival, PMC_RSVD_MASK(cnum), PMC_DFL_VAL(cnum), *val)); | ||
148 | return 0; | ||
149 | } | ||
150 | |||
151 | /* | ||
152 | * task can be NULL if the context is unloaded | ||
153 | */ | ||
154 | static int | ||
155 | pfm_mont_pmc_check(struct task_struct *task, pfm_context_t *ctx, unsigned int cnum, unsigned long *val, struct pt_regs *regs) | ||
156 | { | ||
157 | int ret = 0; | ||
158 | unsigned long val32 = 0, val38 = 0, val41 = 0; | ||
159 | unsigned long tmpval; | ||
160 | int check_case1 = 0; | ||
161 | int is_loaded; | ||
162 | |||
163 | /* first preserve the reserved fields */ | ||
164 | pfm_mont_reserved(cnum, val, regs); | ||
165 | |||
166 | tmpval = *val; | ||
167 | |||
168 | /* sanity check */ | ||
169 | if (ctx == NULL) return -EINVAL; | ||
170 | |||
171 | is_loaded = ctx->ctx_state == PFM_CTX_LOADED || ctx->ctx_state == PFM_CTX_MASKED; | ||
172 | |||
173 | /* | ||
174 | * we must clear the debug registers if pmc41 has a value which enable | ||
175 | * memory pipeline event constraints. In this case we need to clear the | ||
176 | * the debug registers if they have not yet been accessed. This is required | ||
177 | * to avoid picking stale state. | ||
178 | * PMC41 is "active" if: | ||
179 | * one of the pmc41.cfg_dtagXX field is different from 0x3 | ||
180 | * AND | ||
181 | * at the corresponding pmc41.en_dbrpXX is set. | ||
182 | * AND | ||
183 | * ctx_fl_using_dbreg == 0 (i.e., dbr not yet used) | ||
184 | */ | ||
185 | DPRINT(("cnum=%u val=0x%lx, using_dbreg=%d loaded=%d\n", cnum, tmpval, ctx->ctx_fl_using_dbreg, is_loaded)); | ||
186 | |||
187 | if (cnum == 41 && is_loaded | ||
188 | && (tmpval & 0x1e00000000000) && (tmpval & 0x18181818UL) != 0x18181818UL && ctx->ctx_fl_using_dbreg == 0) { | ||
189 | |||
190 | DPRINT(("pmc[%d]=0x%lx has active pmc41 settings, clearing dbr\n", cnum, tmpval)); | ||
191 | |||
192 | /* don't mix debug with perfmon */ | ||
193 | if (task && (task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL; | ||
194 | |||
195 | /* | ||
196 | * a count of 0 will mark the debug registers if: | ||
197 | * AND | ||
198 | */ | ||
199 | ret = pfm_write_ibr_dbr(PFM_DATA_RR, ctx, NULL, 0, regs); | ||
200 | if (ret) return ret; | ||
201 | } | ||
202 | /* | ||
203 | * we must clear the (instruction) debug registers if: | ||
204 | * pmc38.ig_ibrpX is 0 (enabled) | ||
205 | * AND | ||
206 | * ctx_fl_using_dbreg == 0 (i.e., dbr not yet used) | ||
207 | */ | ||
208 | if (cnum == 38 && is_loaded && ((tmpval & 0x492UL) != 0x492UL) && ctx->ctx_fl_using_dbreg == 0) { | ||
209 | |||
210 | DPRINT(("pmc38=0x%lx has active pmc38 settings, clearing ibr\n", tmpval)); | ||
211 | |||
212 | /* don't mix debug with perfmon */ | ||
213 | if (task && (task->thread.flags & IA64_THREAD_DBG_VALID) != 0) return -EINVAL; | ||
214 | |||
215 | /* | ||
216 | * a count of 0 will mark the debug registers as in use and also | ||
217 | * ensure that they are properly cleared. | ||
218 | */ | ||
219 | ret = pfm_write_ibr_dbr(PFM_CODE_RR, ctx, NULL, 0, regs); | ||
220 | if (ret) return ret; | ||
221 | |||
222 | } | ||
223 | switch(cnum) { | ||
224 | case 32: val32 = *val; | ||
225 | val38 = ctx->ctx_pmcs[38]; | ||
226 | val41 = ctx->ctx_pmcs[41]; | ||
227 | check_case1 = 1; | ||
228 | break; | ||
229 | case 38: val38 = *val; | ||
230 | val32 = ctx->ctx_pmcs[32]; | ||
231 | val41 = ctx->ctx_pmcs[41]; | ||
232 | check_case1 = 1; | ||
233 | break; | ||
234 | case 41: val41 = *val; | ||
235 | val32 = ctx->ctx_pmcs[32]; | ||
236 | val38 = ctx->ctx_pmcs[38]; | ||
237 | check_case1 = 1; | ||
238 | break; | ||
239 | } | ||
240 | /* check illegal configuration which can produce inconsistencies in tagging | ||
241 | * i-side events in L1D and L2 caches | ||
242 | */ | ||
243 | if (check_case1) { | ||
244 | ret = (((val41 >> 45) & 0xf) == 0 && ((val32>>57) & 0x1) == 0) | ||
245 | && ((((val38>>1) & 0x3) == 0x2 || ((val38>>1) & 0x3) == 0) | ||
246 | || (((val38>>4) & 0x3) == 0x2 || ((val38>>4) & 0x3) == 0)); | ||
247 | if (ret) { | ||
248 | DPRINT(("invalid config pmc38=0x%lx pmc41=0x%lx pmc32=0x%lx\n", val38, val41, val32)); | ||
249 | return -EINVAL; | ||
250 | } | ||
251 | } | ||
252 | *val = tmpval; | ||
253 | return 0; | ||
254 | } | ||
255 | |||
256 | /* | ||
257 | * impl_pmcs, impl_pmds are computed at runtime to minimize errors! | ||
258 | */ | ||
259 | static pmu_config_t pmu_conf_mont={ | ||
260 | .pmu_name = "Montecito", | ||
261 | .pmu_family = 0x20, | ||
262 | .flags = PFM_PMU_IRQ_RESEND, | ||
263 | .ovfl_val = (1UL << 47) - 1, | ||
264 | .pmd_desc = pfm_mont_pmd_desc, | ||
265 | .pmc_desc = pfm_mont_pmc_desc, | ||
266 | .num_ibrs = 8, | ||
267 | .num_dbrs = 8, | ||
268 | .use_rr_dbregs = 1 /* debug register are use for range retrictions */ | ||
269 | }; | ||