* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
-#include <linux/perf_counter.h>
+#include <linux/perf_event.h>
+#include <linux/string.h>
#include <asm/reg.h>
+#include <asm/cputable.h>
/*
* Bits in event code for POWER5 (not POWER5++)
#define MMCR1_PMCSEL_MSK 0x7f
/*
- * Bits in MMCRA
- */
-
-/*
* Layout of constraint bits:
* 6666555555555544444444443333333333222222222211111111110000000000
* 3210987654321098765432109876543210987654321098765432109876543210
};
/* Masks and values for using events from the various units */
-static u64 unit_cons[PM_LASTUNIT+1][2] = {
- [PM_FPU] = { 0xc0002000000000ull, 0x00001000000000ull },
- [PM_ISU0] = { 0x00002000000000ull, 0x00000800000000ull },
- [PM_ISU1] = { 0xc0002000000000ull, 0xc0001000000000ull },
- [PM_IFU] = { 0xc0002000000000ull, 0x80001000000000ull },
- [PM_IDU] = { 0x30002000000000ull, 0x00000400000000ull },
- [PM_GRS] = { 0x30002000000000ull, 0x30000400000000ull },
+static unsigned long unit_cons[PM_LASTUNIT+1][2] = {
+ [PM_FPU] = { 0xc0002000000000ul, 0x00001000000000ul },
+ [PM_ISU0] = { 0x00002000000000ul, 0x00000800000000ul },
+ [PM_ISU1] = { 0xc0002000000000ul, 0xc0001000000000ul },
+ [PM_IFU] = { 0xc0002000000000ul, 0x80001000000000ul },
+ [PM_IDU] = { 0x30002000000000ul, 0x00000400000000ul },
+ [PM_GRS] = { 0x30002000000000ul, 0x30000400000000ul },
};
-static int power5_get_constraint(u64 event, u64 *maskp, u64 *valp)
+static int power5_get_constraint(u64 event, unsigned long *maskp,
+ unsigned long *valp)
{
int pmc, byte, unit, sh;
int bit, fmask;
- u64 mask = 0, value = 0;
+ unsigned long mask = 0, value = 0;
int grp = -1;
pmc = (event >> PM_PMC_SH) & PM_PMC_MSK;
bit = event & 7;
fmask = (bit == 6)? 7: 3;
sh = grsel_shift[bit];
- mask |= (u64)fmask << sh;
- value |= (u64)((event >> PM_GRS_SH) & fmask) << sh;
+ mask |= (unsigned long)fmask << sh;
+ value |= (unsigned long)((event >> PM_GRS_SH) & fmask)
+ << sh;
}
/*
* Bus events on bytes 0 and 2 can be counted
if (!pmc)
grp = byte & 1;
/* Set byte lane select field */
- mask |= 0xfULL << (24 - 4 * byte);
- value |= (u64)unit << (24 - 4 * byte);
+ mask |= 0xfUL << (24 - 4 * byte);
+ value |= (unsigned long)unit << (24 - 4 * byte);
}
if (grp == 0) {
/* increment PMC1/2 field */
- mask |= 0x200000000ull;
- value |= 0x080000000ull;
+ mask |= 0x200000000ul;
+ value |= 0x080000000ul;
} else if (grp == 1) {
/* increment PMC3/4 field */
- mask |= 0x40000000ull;
- value |= 0x10000000ull;
+ mask |= 0x40000000ul;
+ value |= 0x10000000ul;
}
if (pmc < 5) {
/* need a counter from PMC1-4 set */
- mask |= 0x8000000000000ull;
- value |= 0x1000000000000ull;
+ mask |= 0x8000000000000ul;
+ value |= 0x1000000000000ul;
}
*maskp = mask;
*valp = value;
}
static int power5_compute_mmcr(u64 event[], int n_ev,
- unsigned int hwc[], u64 mmcr[])
+ unsigned int hwc[], unsigned long mmcr[])
{
- u64 mmcr1 = 0;
- u64 mmcra = 0;
+ unsigned long mmcr1 = 0;
+ unsigned long mmcra = MMCRA_SDAR_DCACHE_MISS | MMCRA_SDAR_ERAT_MISS;
unsigned int pmc, unit, byte, psel;
unsigned int ttm, grp;
int i, isbus, bit, grsel;
continue;
if (ttmuse++)
return -1;
- mmcr1 |= (u64)i << MMCR1_TTM0SEL_SH;
+ mmcr1 |= (unsigned long)i << MMCR1_TTM0SEL_SH;
}
ttmuse = 0;
for (; i <= PM_GRS; ++i) {
continue;
if (ttmuse++)
return -1;
- mmcr1 |= (u64)(i & 3) << MMCR1_TTM1SEL_SH;
+ mmcr1 |= (unsigned long)(i & 3) << MMCR1_TTM1SEL_SH;
}
if (ttmuse > 1)
return -1;
unit = PM_ISU0_ALT;
} else if (unit == PM_LSU1 + 1) {
/* select lower word of LSU1 for this byte */
- mmcr1 |= 1ull << (MMCR1_TTM3SEL_SH + 3 - byte);
+ mmcr1 |= 1ul << (MMCR1_TTM3SEL_SH + 3 - byte);
}
ttm = unit >> 2;
- mmcr1 |= (u64)ttm << (MMCR1_TD_CP_DBG0SEL_SH - 2 * byte);
+ mmcr1 |= (unsigned long)ttm
+ << (MMCR1_TD_CP_DBG0SEL_SH - 2 * byte);
}
/* Second pass: assign PMCs, set PMCxSEL and PMCx_ADDER_SEL fields */
--pmc;
if ((psel == 8 || psel == 0x10) && isbus && (byte & 2))
/* add events on higher-numbered bus */
- mmcr1 |= 1ull << (MMCR1_PMC1_ADDER_SEL_SH - pmc);
+ mmcr1 |= 1ul << (MMCR1_PMC1_ADDER_SEL_SH - pmc);
} else {
/* Instructions or run cycles on PMC5/6 */
--pmc;
if (isbus && unit == PM_GRS) {
bit = psel & 7;
grsel = (event[i] >> PM_GRS_SH) & PM_GRS_MSK;
- mmcr1 |= (u64)grsel << grsel_shift[bit];
+ mmcr1 |= (unsigned long)grsel << grsel_shift[bit];
}
if (power5_marked_instr_event(event[i]))
mmcra |= MMCRA_SAMPLE_ENABLE;
return 0;
}
-static void power5_disable_pmc(unsigned int pmc, u64 mmcr[])
+static void power5_disable_pmc(unsigned int pmc, unsigned long mmcr[])
{
if (pmc <= 3)
mmcr[1] &= ~(0x7fUL << MMCR1_PMCSEL_SH(pmc));
},
};
-struct power_pmu power5_pmu = {
- .n_counter = 6,
- .max_alternatives = MAX_ALT,
- .add_fields = 0x7000090000555ull,
- .test_adder = 0x3000490000000ull,
- .compute_mmcr = power5_compute_mmcr,
- .get_constraint = power5_get_constraint,
- .get_alternatives = power5_get_alternatives,
- .disable_pmc = power5_disable_pmc,
- .n_generic = ARRAY_SIZE(power5_generic_events),
- .generic_events = power5_generic_events,
- .cache_events = &power5_cache_events,
+static struct power_pmu power5_pmu = {
+ .name = "POWER5",
+ .n_counter = 6,
+ .max_alternatives = MAX_ALT,
+ .add_fields = 0x7000090000555ul,
+ .test_adder = 0x3000490000000ul,
+ .compute_mmcr = power5_compute_mmcr,
+ .get_constraint = power5_get_constraint,
+ .get_alternatives = power5_get_alternatives,
+ .disable_pmc = power5_disable_pmc,
+ .n_generic = ARRAY_SIZE(power5_generic_events),
+ .generic_events = power5_generic_events,
+ .cache_events = &power5_cache_events,
};
+
+static int init_power5_pmu(void)
+{
+ if (!cur_cpu_spec->oprofile_cpu_type ||
+ strcmp(cur_cpu_spec->oprofile_cpu_type, "ppc64/power5"))
+ return -ENODEV;
+
+ return register_power_pmu(&power5_pmu);
+}
+
+arch_initcall(init_power5_pmu);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff