[PATCH 08/20] selftest/powerpc/pmu: Add macro to extract mmcr3 and mmcra fields
Kajol Jain
kjain at linux.ibm.com
Thu Jan 27 18:20:00 AEDT 2022
Add macro and utility functions to fetch individual
fields from Monitor Mode Control Register 3(MMCR3)and
Monitor Mode Control Register A(MMCRA) PMU registers
Signed-off-by: Kajol Jain <kjain at linux.ibm.com>
---
.../powerpc/pmu/sampling_tests/misc.h | 64 +++++++++++++++++++
1 file changed, 64 insertions(+)
diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
index fea029506aa3..b4995d4e6588 100644
--- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
+++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
@@ -15,6 +15,7 @@
#define MMCR0_FC56 0x00000010UL /* freeze counters 5 and 6 */
#define MMCR0_PMCCEXT 0x00000200UL /* PMCCEXT control */
#define MMCR1_RSQ 0x200000000000ULL /* radix scope qual field */
+#define BHRB_DISABLE 0x2000000000ULL /* MMCRA BHRB DISABLE bit */
extern int ev_mask_pmcxsel, ev_shift_pmcxsel;
extern int ev_mask_marked, ev_shift_marked;
@@ -178,9 +179,72 @@ static inline int get_mmcr2_l2l3(u64 mmcr2, int pmc)
return 0;
}
+static inline int get_mmcr3_src(u64 mmcr3, int pmc)
+{
+ if (pvr != POWER10)
+ return 0;
+ return ((mmcr3 >> ((49 - (15 * ((pmc) - 1))))) & 0x7fff);
+}
+
+static inline int get_mmcra_thd_cmp(u64 mmcra, int pmc)
+{
+ if (pvr == POWER10)
+ return ((mmcra >> 45) & 0x7ff);
+ return ((mmcra >> 45) & 0x3ff);
+}
+
+static inline int get_mmcra_sm(u64 mmcra, int pmc)
+{
+ return ((mmcra >> 42) & 0x3);
+}
+
+static inline int get_mmcra_bhrb_disable(u64 mmcra, int pmc)
+{
+ if (pvr == POWER10)
+ return mmcra & BHRB_DISABLE;
+ return 0;
+}
+
+static inline int get_mmcra_ifm(u64 mmcra, int pmc)
+{
+ return ((mmcra >> 30) & 0x3);
+}
+
+static inline int get_mmcra_thd_sel(u64 mmcra, int pmc)
+{
+ return ((mmcra >> 16) & 0x7);
+}
+
+static inline int get_mmcra_thd_start(u64 mmcra, int pmc)
+{
+ return ((mmcra >> 12) & 0xf);
+}
+
+static inline int get_mmcra_thd_stop(u64 mmcra, int pmc)
+{
+ return ((mmcra >> 8) & 0xf);
+}
+
+static inline int get_mmcra_rand_samp_elig(u64 mmcra, int pmc)
+{
+ return ((mmcra >> 4) & 0x7);
+}
+
+static inline int get_mmcra_sample_mode(u64 mmcra, int pmc)
+{
+ return ((mmcra >> 1) & 0x3);
+}
+
+static inline int get_mmcra_marked(u64 mmcra, int pmc)
+{
+ return mmcra & 0x1;
+}
+
#define GET_MMCR0(a, b, c) get_mmcr0_##c(a, b)
#define GET_MMCR1(a, b, c) get_mmcr1_##c(a, b)
#define GET_MMCR2(a, b, c) get_mmcr2_##c(a, b)
+#define GET_MMCR3(a, b, c) get_mmcr3_##c(a, b)
+#define GET_MMCRA(a, b, c) get_mmcra_##c(a, b)
/*
* Generic MMCR macro to get specific field value
--
2.27.0
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