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-rw-r--r--tools/testing/selftests/powerpc/include/reg.h4
-rw-r--r--tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c20
-rw-r--r--tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h3
3 files changed, 23 insertions, 4 deletions
diff --git a/tools/testing/selftests/powerpc/include/reg.h b/tools/testing/selftests/powerpc/include/reg.h
index c422be8a42b2..2ac7a4c7749c 100644
--- a/tools/testing/selftests/powerpc/include/reg.h
+++ b/tools/testing/selftests/powerpc/include/reg.h
@@ -55,6 +55,10 @@
#define PVR_VER(pvr) (((pvr) >> 16) & 0xFFFF)
#define SPRN_PVR 0x11F
+#define PVR_CFG(pvr) (((pvr) >> 8) & 0xF) /* Configuration field */
+#define PVR_MAJ(pvr) (((pvr) >> 4) & 0xF) /* Major revision field */
+#define PVR_MIN(pvr) (((pvr) >> 0) & 0xF) /* Minor revision field */
+
#define SPRN_DSCR_PRIV 0x11 /* Privilege State DSCR */
#define SPRN_DSCR 0x03 /* Data Stream Control Register */
#define SPRN_PPR 896 /* Program Priority Register */
diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c
index 5a26fc3a9706..eac6420abdf1 100644
--- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c
+++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.c
@@ -121,12 +121,10 @@ int check_extended_regs_support(void)
return -1;
}
-int check_pvr_for_sampling_tests(void)
+int platform_check_for_tests(void)
{
pvr = PVR_VER(mfspr(SPRN_PVR));
- platform_extended_mask = perf_get_platform_reg_mask();
-
/*
* Check for supported platforms
* for sampling test
@@ -138,19 +136,33 @@ int check_pvr_for_sampling_tests(void)
* Check PMU driver registered by looking for
* PPC_FEATURE2_EBB bit in AT_HWCAP2
*/
- if (!have_hwcap2(PPC_FEATURE2_EBB))
+ if (!have_hwcap2(PPC_FEATURE2_EBB) || !have_hwcap2(PPC_FEATURE2_ARCH_3_00))
goto out;
+ return 0;
+
+out:
+ printf("%s: Tests unsupported for this platform\n", __func__);
+ return -1;
+}
+
+int check_pvr_for_sampling_tests(void)
+{
+ SKIP_IF(platform_check_for_tests());
+
+ platform_extended_mask = perf_get_platform_reg_mask();
/* check if platform supports extended regs */
if (check_extended_regs_support())
goto out;
init_ev_encodes();
return 0;
+
out:
printf("%s: Sampling tests un-supported\n", __func__);
return -1;
}
+
/*
* Allocate mmap buffer of "mmap_pages" number of
* pages.
diff --git a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
index 874a1596add8..4181755cf5a0 100644
--- a/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
+++ b/tools/testing/selftests/powerpc/pmu/sampling_tests/misc.h
@@ -18,6 +18,8 @@
#define MMCR1_RSQ 0x200000000000ULL /* radix scope qual field */
#define BHRB_DISABLE 0x2000000000ULL /* MMCRA BHRB DISABLE bit */
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+
extern int ev_mask_pmcxsel, ev_shift_pmcxsel;
extern int ev_mask_marked, ev_shift_marked;
extern int ev_mask_comb, ev_shift_comb;
@@ -36,6 +38,7 @@ extern int ev_mask_mmcr3_src, ev_shift_mmcr3_src;
extern int pvr;
extern u64 platform_extended_mask;
extern int check_pvr_for_sampling_tests(void);
+extern int platform_check_for_tests(void);
/*
* Event code field extraction macro.