[kvm-unit-tests PATCH v4 01/12] arm64: Provide read/write_sysreg_s

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From: Eric Auger <eric.auger@redhat.com>
To: eric.auger.pro@gmail.com, eric.auger@redhat.com, maz@kernel.org,
	kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
	qemu-devel@nongnu.org, qemu-arm@nongnu.org
Cc: drjones@redhat.com, andrew.murray@arm.com,
	andre.przywara@arm.com, peter.maydell@linaro.org,
	alexandru.elisei@arm.com
Subject: [kvm-unit-tests PATCH v4 01/12] arm64: Provide read/write_sysreg_s
Date: Fri,  3 Apr 2020 09:13:15 +0200	[thread overview]
Message-ID: <20200403071326.29932-2-eric.auger@redhat.com> (raw)
In-Reply-To: <20200403071326.29932-1-eric.auger@redhat.com>

From: Andrew Jones <drjones@redhat.com>

Sometimes we need to test access to system registers which are
missing assembler mnemonics.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
---
 lib/arm64/asm/sysreg.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/arm64/asm/sysreg.h b/lib/arm64/asm/sysreg.h
index a03830b..a45eebd 100644
--- a/lib/arm64/asm/sysreg.h
+++ b/lib/arm64/asm/sysreg.h
@@ -38,6 +38,17 @@
 	asm volatile("msr " xstr(r) ", %x0" : : "rZ" (__val));	\
 } while (0)
 
+#define read_sysreg_s(r) ({					\
+	u64 __val;						\
+	asm volatile("mrs_s %0, " xstr(r) : "=r" (__val));	\
+	__val;							\
+})
+
+#define write_sysreg_s(v, r) do {				\
+	u64 __val = (u64)v;					\
+	asm volatile("msr_s " xstr(r) ", %x0" : : "rZ" (__val));\
+} while (0)
+
 asm(
 "	.irp	num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30\n"
 "	.equ	.L__reg_num_x\\num, \\num\n"
-- 
2.20.1

WARNING: multiple messages have this Message-ID (diff)

From: Eric Auger <eric.auger@redhat.com>
To: eric.auger.pro@gmail.com, eric.auger@redhat.com, maz@kernel.org,
	kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
	qemu-devel@nongnu.org, qemu-arm@nongnu.org
Cc: peter.maydell@linaro.org, andrew.murray@arm.com,
	drjones@redhat.com, alexandru.elisei@arm.com,
	andre.przywara@arm.com
Subject: [kvm-unit-tests PATCH v4 01/12] arm64: Provide read/write_sysreg_s
Date: Fri,  3 Apr 2020 09:13:15 +0200	[thread overview]
Message-ID: <20200403071326.29932-2-eric.auger@redhat.com> (raw)
In-Reply-To: <20200403071326.29932-1-eric.auger@redhat.com>

From: Andrew Jones <drjones@redhat.com>

Sometimes we need to test access to system registers which are
missing assembler mnemonics.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
---
 lib/arm64/asm/sysreg.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/arm64/asm/sysreg.h b/lib/arm64/asm/sysreg.h
index a03830b..a45eebd 100644
--- a/lib/arm64/asm/sysreg.h
+++ b/lib/arm64/asm/sysreg.h
@@ -38,6 +38,17 @@
 	asm volatile("msr " xstr(r) ", %x0" : : "rZ" (__val));	\
 } while (0)
 
+#define read_sysreg_s(r) ({					\
+	u64 __val;						\
+	asm volatile("mrs_s %0, " xstr(r) : "=r" (__val));	\
+	__val;							\
+})
+
+#define write_sysreg_s(v, r) do {				\
+	u64 __val = (u64)v;					\
+	asm volatile("msr_s " xstr(r) ", %x0" : : "rZ" (__val));\
+} while (0)
+
 asm(
 "	.irp	num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30\n"
 "	.equ	.L__reg_num_x\\num, \\num\n"
-- 
2.20.1

WARNING: multiple messages have this Message-ID (diff)

From: Eric Auger <eric.auger@redhat.com>
To: eric.auger.pro@gmail.com, eric.auger@redhat.com, maz@kernel.org,
	kvmarm@lists.cs.columbia.edu, kvm@vger.kernel.org,
	qemu-devel@nongnu.org, qemu-arm@nongnu.org
Cc: andrew.murray@arm.com, andre.przywara@arm.com
Subject: [kvm-unit-tests PATCH v4 01/12] arm64: Provide read/write_sysreg_s
Date: Fri,  3 Apr 2020 09:13:15 +0200	[thread overview]
Message-ID: <20200403071326.29932-2-eric.auger@redhat.com> (raw)
In-Reply-To: <20200403071326.29932-1-eric.auger@redhat.com>

From: Andrew Jones <drjones@redhat.com>

Sometimes we need to test access to system registers which are
missing assembler mnemonics.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Alexandru Elisei <alexandru.elisei@arm.com>
---
 lib/arm64/asm/sysreg.h | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lib/arm64/asm/sysreg.h b/lib/arm64/asm/sysreg.h
index a03830b..a45eebd 100644
--- a/lib/arm64/asm/sysreg.h
+++ b/lib/arm64/asm/sysreg.h
@@ -38,6 +38,17 @@
 	asm volatile("msr " xstr(r) ", %x0" : : "rZ" (__val));	\
 } while (0)
 
+#define read_sysreg_s(r) ({					\
+	u64 __val;						\
+	asm volatile("mrs_s %0, " xstr(r) : "=r" (__val));	\
+	__val;							\
+})
+
+#define write_sysreg_s(v, r) do {				\
+	u64 __val = (u64)v;					\
+	asm volatile("msr_s " xstr(r) ", %x0" : : "rZ" (__val));\
+} while (0)
+
 asm(
 "	.irp	num,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30\n"
 "	.equ	.L__reg_num_x\\num, \\num\n"
-- 
2.20.1

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next prev parent reply	other threads:[~2020-04-03  7:13 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-03  7:13 [kvm-unit-tests PATCH v4 00/12] KVM: arm64: PMUv3 Event Counter Tests Eric Auger
2020-04-03  7:13 ` Eric Auger
2020-04-03  7:13 ` Eric Auger
2020-04-03  7:13 ` Eric Auger [this message]
2020-04-03  7:13   ` [kvm-unit-tests PATCH v4 01/12] arm64: Provide read/write_sysreg_s Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 02/12] arm: pmu: Let pmu tests take a sub-test parameter Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 03/12] arm: pmu: Don't check PMCR.IMP anymore Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 04/12] arm: pmu: Add a pmu struct Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 05/12] arm: pmu: Introduce defines for PMU versions Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 06/12] arm: pmu: Check Required Event Support Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 07/12] arm: pmu: Basic event counter Tests Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2022-09-19 14:30   ` Zenghui Yu
2022-09-19 14:30     ` Zenghui Yu via
2022-09-19 14:30     ` Zenghui Yu
2022-09-19 15:10     ` Andrew Jones
2022-09-19 15:10       ` Andrew Jones
2022-09-20  9:23     ` Eric Auger
2022-09-20  9:23       ` Eric Auger
2022-09-20 11:16       ` Zenghui Yu
2022-09-20 11:16         ` Zenghui Yu via
2022-09-20 11:16         ` Zenghui Yu
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 08/12] arm: pmu: Test SW_INCR event count Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2022-09-19 14:31   ` Zenghui Yu
2022-09-19 14:31     ` Zenghui Yu via
2022-09-19 14:31     ` Zenghui Yu
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 09/12] arm: pmu: Test chained counters Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 10/12] arm: pmu: test 32-bit <-> 64-bit transitions Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2022-09-19 14:31   ` Zenghui Yu
2022-09-19 14:31     ` Zenghui Yu via
2022-09-19 14:31     ` Zenghui Yu
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 11/12] arm: gic: Introduce gic_irq_set_clr_enable() helper Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13 ` [kvm-unit-tests PATCH v4 12/12] arm: pmu: Test overflow interrupts Eric Auger
2020-04-03  7:13   ` Eric Auger
2020-04-03  7:13   ` Eric Auger

find likely ancestor, descendant, or conflicting patches for this message:
dfblob:a03830b dfblob:a03830b dfblob:a03830b dfblob:a45eebd
dfblob:a45eebd dfblob:a45eebd
	(help)

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