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-rw-r--r--arch/powerpc/kernel/power4-pmu.c89
1 files changed, 53 insertions, 36 deletions
diff --git a/arch/powerpc/kernel/power4-pmu.c b/arch/powerpc/kernel/power4-pmu.c
index 07bd308a5fa7..db90b0c5c27b 100644
--- a/arch/powerpc/kernel/power4-pmu.c
+++ b/arch/powerpc/kernel/power4-pmu.c
@@ -10,7 +10,9 @@
10 */ 10 */
11#include <linux/kernel.h> 11#include <linux/kernel.h>
12#include <linux/perf_counter.h> 12#include <linux/perf_counter.h>
13#include <linux/string.h>
13#include <asm/reg.h> 14#include <asm/reg.h>
15#include <asm/cputable.h>
14 16
15/* 17/*
16 * Bits in event code for POWER4 18 * Bits in event code for POWER4
@@ -179,22 +181,22 @@ static short mmcr1_adder_bits[8] = {
179 */ 181 */
180 182
181static struct unitinfo { 183static struct unitinfo {
182 u64 value, mask; 184 unsigned long value, mask;
183 int unit; 185 int unit;
184 int lowerbit; 186 int lowerbit;
185} p4_unitinfo[16] = { 187} p4_unitinfo[16] = {
186 [PM_FPU] = { 0x44000000000000ull, 0x88000000000000ull, PM_FPU, 0 }, 188 [PM_FPU] = { 0x44000000000000ul, 0x88000000000000ul, PM_FPU, 0 },
187 [PM_ISU1] = { 0x20080000000000ull, 0x88000000000000ull, PM_ISU1, 0 }, 189 [PM_ISU1] = { 0x20080000000000ul, 0x88000000000000ul, PM_ISU1, 0 },
188 [PM_ISU1_ALT] = 190 [PM_ISU1_ALT] =
189 { 0x20080000000000ull, 0x88000000000000ull, PM_ISU1, 0 }, 191 { 0x20080000000000ul, 0x88000000000000ul, PM_ISU1, 0 },
190 [PM_IFU] = { 0x02200000000000ull, 0x08820000000000ull, PM_IFU, 41 }, 192 [PM_IFU] = { 0x02200000000000ul, 0x08820000000000ul, PM_IFU, 41 },
191 [PM_IFU_ALT] = 193 [PM_IFU_ALT] =
192 { 0x02200000000000ull, 0x08820000000000ull, PM_IFU, 41 }, 194 { 0x02200000000000ul, 0x08820000000000ul, PM_IFU, 41 },
193 [PM_IDU0] = { 0x10100000000000ull, 0x80840000000000ull, PM_IDU0, 1 }, 195 [PM_IDU0] = { 0x10100000000000ul, 0x80840000000000ul, PM_IDU0, 1 },
194 [PM_ISU2] = { 0x10140000000000ull, 0x80840000000000ull, PM_ISU2, 0 }, 196 [PM_ISU2] = { 0x10140000000000ul, 0x80840000000000ul, PM_ISU2, 0 },
195 [PM_LSU0] = { 0x01400000000000ull, 0x08800000000000ull, PM_LSU0, 0 }, 197 [PM_LSU0] = { 0x01400000000000ul, 0x08800000000000ul, PM_LSU0, 0 },
196 [PM_LSU1] = { 0x00000000000000ull, 0x00010000000000ull, PM_LSU1, 40 }, 198 [PM_LSU1] = { 0x00000000000000ul, 0x00010000000000ul, PM_LSU1, 40 },
197 [PM_GPS] = { 0x00000000000000ull, 0x00000000000000ull, PM_GPS, 0 } 199 [PM_GPS] = { 0x00000000000000ul, 0x00000000000000ul, PM_GPS, 0 }
198}; 200};
199 201
200static unsigned char direct_marked_event[8] = { 202static unsigned char direct_marked_event[8] = {
@@ -249,10 +251,11 @@ static int p4_marked_instr_event(u64 event)
249 return (mask >> (byte * 8 + bit)) & 1; 251 return (mask >> (byte * 8 + bit)) & 1;
250} 252}
251 253
252static int p4_get_constraint(u64 event, u64 *maskp, u64 *valp) 254static int p4_get_constraint(u64 event, unsigned long *maskp,
255 unsigned long *valp)
253{ 256{
254 int pmc, byte, unit, lower, sh; 257 int pmc, byte, unit, lower, sh;
255 u64 mask = 0, value = 0; 258 unsigned long mask = 0, value = 0;
256 int grp = -1; 259 int grp = -1;
257 260
258 pmc = (event >> PM_PMC_SH) & PM_PMC_MSK; 261 pmc = (event >> PM_PMC_SH) & PM_PMC_MSK;
@@ -282,14 +285,14 @@ static int p4_get_constraint(u64 event, u64 *maskp, u64 *valp)
282 value |= p4_unitinfo[unit].value; 285 value |= p4_unitinfo[unit].value;
283 sh = p4_unitinfo[unit].lowerbit; 286 sh = p4_unitinfo[unit].lowerbit;
284 if (sh > 1) 287 if (sh > 1)
285 value |= (u64)lower << sh; 288 value |= (unsigned long)lower << sh;
286 else if (lower != sh) 289 else if (lower != sh)
287 return -1; 290 return -1;
288 unit = p4_unitinfo[unit].unit; 291 unit = p4_unitinfo[unit].unit;
289 292
290 /* Set byte lane select field */ 293 /* Set byte lane select field */
291 mask |= 0xfULL << (28 - 4 * byte); 294 mask |= 0xfULL << (28 - 4 * byte);
292 value |= (u64)unit << (28 - 4 * byte); 295 value |= (unsigned long)unit << (28 - 4 * byte);
293 } 296 }
294 if (grp == 0) { 297 if (grp == 0) {
295 /* increment PMC1/2/5/6 field */ 298 /* increment PMC1/2/5/6 field */
@@ -353,9 +356,9 @@ static int p4_get_alternatives(u64 event, unsigned int flags, u64 alt[])
353} 356}
354 357
355static int p4_compute_mmcr(u64 event[], int n_ev, 358static int p4_compute_mmcr(u64 event[], int n_ev,
356 unsigned int hwc[], u64 mmcr[]) 359 unsigned int hwc[], unsigned long mmcr[])
357{ 360{
358 u64 mmcr0 = 0, mmcr1 = 0, mmcra = 0; 361 unsigned long mmcr0 = 0, mmcr1 = 0, mmcra = 0;
359 unsigned int pmc, unit, byte, psel, lower; 362 unsigned int pmc, unit, byte, psel, lower;
360 unsigned int ttm, grp; 363 unsigned int ttm, grp;
361 unsigned int pmc_inuse = 0; 364 unsigned int pmc_inuse = 0;
@@ -429,9 +432,11 @@ static int p4_compute_mmcr(u64 event[], int n_ev,
429 return -1; 432 return -1;
430 433
431 /* Set TTMxSEL fields. Note, units 1-3 => TTM0SEL codes 0-2 */ 434 /* Set TTMxSEL fields. Note, units 1-3 => TTM0SEL codes 0-2 */
432 mmcr1 |= (u64)(unituse[3] * 2 + unituse[2]) << MMCR1_TTM0SEL_SH; 435 mmcr1 |= (unsigned long)(unituse[3] * 2 + unituse[2])
433 mmcr1 |= (u64)(unituse[7] * 3 + unituse[6] * 2) << MMCR1_TTM1SEL_SH; 436 << MMCR1_TTM0SEL_SH;
434 mmcr1 |= (u64)unituse[9] << MMCR1_TTM2SEL_SH; 437 mmcr1 |= (unsigned long)(unituse[7] * 3 + unituse[6] * 2)
438 << MMCR1_TTM1SEL_SH;
439 mmcr1 |= (unsigned long)unituse[9] << MMCR1_TTM2SEL_SH;
435 440
436 /* Set TTCxSEL fields. */ 441 /* Set TTCxSEL fields. */
437 if (unitlower & 0xe) 442 if (unitlower & 0xe)
@@ -456,7 +461,8 @@ static int p4_compute_mmcr(u64 event[], int n_ev,
456 ttm = unit - 1; /* 2->1, 3->2 */ 461 ttm = unit - 1; /* 2->1, 3->2 */
457 else 462 else
458 ttm = unit >> 2; 463 ttm = unit >> 2;
459 mmcr1 |= (u64)ttm << (MMCR1_TD_CP_DBG0SEL_SH - 2*byte); 464 mmcr1 |= (unsigned long)ttm
465 << (MMCR1_TD_CP_DBG0SEL_SH - 2 * byte);
460 } 466 }
461 } 467 }
462 468
@@ -519,7 +525,7 @@ static int p4_compute_mmcr(u64 event[], int n_ev,
519 return 0; 525 return 0;
520} 526}
521 527
522static void p4_disable_pmc(unsigned int pmc, u64 mmcr[]) 528static void p4_disable_pmc(unsigned int pmc, unsigned long mmcr[])
523{ 529{
524 /* 530 /*
525 * Setting the PMCxSEL field to 0 disables PMC x. 531 * Setting the PMCxSEL field to 0 disables PMC x.
@@ -583,16 +589,27 @@ static int power4_cache_events[C(MAX)][C(OP_MAX)][C(RESULT_MAX)] = {
583 }, 589 },
584}; 590};
585 591
586struct power_pmu power4_pmu = { 592static struct power_pmu power4_pmu = {
587 .n_counter = 8, 593 .name = "POWER4/4+",
588 .max_alternatives = 5, 594 .n_counter = 8,
589 .add_fields = 0x0000001100005555ull, 595 .max_alternatives = 5,
590 .test_adder = 0x0011083300000000ull, 596 .add_fields = 0x0000001100005555ul,
591 .compute_mmcr = p4_compute_mmcr, 597 .test_adder = 0x0011083300000000ul,
592 .get_constraint = p4_get_constraint, 598 .compute_mmcr = p4_compute_mmcr,
593 .get_alternatives = p4_get_alternatives, 599 .get_constraint = p4_get_constraint,
594 .disable_pmc = p4_disable_pmc, 600 .get_alternatives = p4_get_alternatives,
595 .n_generic = ARRAY_SIZE(p4_generic_events), 601 .disable_pmc = p4_disable_pmc,
596 .generic_events = p4_generic_events, 602 .n_generic = ARRAY_SIZE(p4_generic_events),
597 .cache_events = &power4_cache_events, 603 .generic_events = p4_generic_events,
604 .cache_events = &power4_cache_events,
598}; 605};
606
607static int init_power4_pmu(void)
608{
609 if (strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power4"))
610 return -ENODEV;
611
612 return register_power_pmu(&power4_pmu);
613}
614
615arch_initcall(init_power4_pmu);