From: Madhavan Srinivasan <ma...@linux.ibm.com>
Generic macro (GET_MMCR_FIELD) added to extract specific fields of
a given MMCRx. Along with it, patch also adds macro and utility
functions to fetch individual fields from
Monitor Mode Control Register 2(MMCR2) register.
Signed-off-by: Madhavan Srinivasan <ma...@linux.ibm.com>
---
.../powerpc/pmu/sampling_tests/misc.h | 70 +++++++++++++++++++
1 file changed, 70 insertions(+)
diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
index 3cfe98716b1e..0f5446b56463 100644
--- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
+++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
@@ -61,3 +61,73 @@ void *__event_read_samples(void *sample_buff, size_t *size,
u64 *sample_count);
int collect_samples(void *sample_buff);
u64 *get_intr_regs(struct event *event, void *sample_buff);
u64 get_reg_value(u64 *intr_regs, char *register_name);
+
+static inline int get_mmcr2_fcs(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (63 - (((pmc) - 1) * 9)))) >> (63 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_fcp(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (62 - (((pmc) - 1) * 9)))) >> (62 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_fcpc(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (61 - (((pmc) - 1) * 9)))) >> (61 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_fcm1(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (60 - (((pmc) - 1) * 9)))) >> (60 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_fcm0(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (59 - (((pmc) - 1) * 9)))) >> (59 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_fcwait(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (58 - (((pmc) - 1) * 9)))) >> (58 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_fch(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (57 - (((pmc) - 1) * 9)))) >> (57 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_fcti(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (56 - (((pmc) - 1) * 9)))) >> (56 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_fcta(u64 mmcr2, int pmc)
+{
+ return ((mmcr2 & (1ull << (55 - (((pmc) - 1) * 9)))) >> (55 - (((pmc) -
1) * 9)));
+}
+
+static inline int get_mmcr2_l2l3(u64 mmcr2, int pmc)
+{
+ if (pvr == POWER10)
+ return ((mmcr2 & 0xf8) >> 3);
+ return 0;
+}
+
+#define GET_MMCR2(a, b, c) get_mmcr2_##c(a, b)
+
+/*
+ * Generic MMCR macro to get specific field value
+ * from a specific MMCR.
+ *
+ * Input:
+ * 'x' - MMCRx
+ * 'a' - u64
+ * 'b' - PMC#
+ * 'c' - Field#
+ *
+ * Output:
+ * u32
+ */
+#define GET_MMCR_FIELD(x, a, b, c) \
+ GET_MMCR##x(a, b, c)
--
2.27.0
