diff mbox series

[kvm-unit-tests,RFC,v2,1/5] arm64: Move get_id_aa64dfr0() in processor.h

Message ID 20201027171944.13933-2-alexandru.elisei@arm.com (mailing list archive)
State New, archived
Headers show
Series arm64: Statistical Profiling Extension Tests | expand

Commit Message

Alexandru Elisei Oct. 27, 2020, 5:19 p.m. UTC 
From: Eric Auger <eric.auger@redhat.com>

SPE support is reported in the ID_AA64DFR0_EL1 register. Move the function
get_id_aa64dfr0() from the pmu test to processor.h so it can be reused by
the SPE tests.

[ Alexandru E: Reworded commit ]

Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
---
 lib/arm64/asm/processor.h | 5 +++++
 arm/pmu.c                 | 1 -
 2 files changed, 5 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/lib/arm64/asm/processor.h b/lib/arm64/asm/processor.h
index 02665b84cc7e..11b756475494 100644
--- a/lib/arm64/asm/processor.h
+++ b/lib/arm64/asm/processor.h
@@ -88,6 +88,11 @@  static inline uint64_t get_mpidr(void)
 	return read_sysreg(mpidr_el1);
 }
 
+static inline uint64_t get_id_aa64dfr0(void)
+{
+	return read_sysreg(id_aa64dfr0_el1);
+}
+
 #define MPIDR_HWID_BITMASK 0xff00ffffff
 extern int mpidr_to_cpu(uint64_t mpidr);
 
diff --git a/arm/pmu.c b/arm/pmu.c
index 831fb6618279..5406ca3b31ed 100644
--- a/arm/pmu.c
+++ b/arm/pmu.c
@@ -167,7 +167,6 @@  static void test_overflow_interrupt(void) {}
 #define ID_DFR0_PMU_V3_8_5	0b0110
 #define ID_DFR0_PMU_IMPDEF	0b1111
 
-static inline uint32_t get_id_aa64dfr0(void) { return read_sysreg(id_aa64dfr0_el1); }
 static inline uint32_t get_pmcr(void) { return read_sysreg(pmcr_el0); }
 static inline void set_pmcr(uint32_t v) { write_sysreg(v, pmcr_el0); }
 static inline uint64_t get_pmccntr(void) { return read_sysreg(pmccntr_el0); }