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From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: catalin.marinas@arm.com, will@kernel.org, maz@kernel.org,
	mark.rutland@arm.com, suzuki.poulose@arm.com,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	linux-kernel@vger.kernel.org
Subject: [PATCH V4 15/17] arm64/cpufeature: Add remaining feature bits in ID_AA64DFR0 register
Date: Tue, 19 May 2020 15:10:52 +0530	[thread overview]
Message-ID: <1589881254-10082-16-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1589881254-10082-1-git-send-email-anshuman.khandual@arm.com>

Enable MTPMU and TRACEFILT features bits in ID_AA64DFR0 register as per ARM
DDI 0487F.a specification.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org

Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
 arch/arm64/include/asm/sysreg.h | 2 ++
 arch/arm64/kernel/cpufeature.c  | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index a572069ccf6e..4bcd21cc2d68 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -766,6 +766,8 @@
 #define ID_AA64MMFR2_CNP_SHIFT		0
 
 /* id_aa64dfr0 */
+#define ID_AA64DFR0_MTPMU_SHIFT		48
+#define ID_AA64DFR0_TRACEFILT_SHIFT	40
 #define ID_AA64DFR0_PMSVER_SHIFT	32
 #define ID_AA64DFR0_CTX_CMPS_SHIFT	28
 #define ID_AA64DFR0_WRPS_SHIFT		20
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 6338151f263c..986974be0178 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -366,6 +366,8 @@ static const struct arm64_ftr_bits ftr_id_mmfr0[] = {
 };
 
 static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = {
+	S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_MTPMU_SHIFT, 4, 0),
+	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_TRACEFILT_SHIFT, 4, 0),
 	S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 36, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64DFR0_PMSVER_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_CTX_CMPS_SHIFT, 4, 0),
-- 
2.20.1


WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com>
To: linux-arm-kernel@lists.infradead.org
Cc: mark.rutland@arm.com, suzuki.poulose@arm.com,
	catalin.marinas@arm.com,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	linux-kernel@vger.kernel.org, maz@kernel.org, will@kernel.org
Subject: [PATCH V4 15/17] arm64/cpufeature: Add remaining feature bits in ID_AA64DFR0 register
Date: Tue, 19 May 2020 15:10:52 +0530	[thread overview]
Message-ID: <1589881254-10082-16-git-send-email-anshuman.khandual@arm.com> (raw)
In-Reply-To: <1589881254-10082-1-git-send-email-anshuman.khandual@arm.com>

Enable MTPMU and TRACEFILT features bits in ID_AA64DFR0 register as per ARM
DDI 0487F.a specification.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Suzuki K Poulose <suzuki.poulose@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org

Suggested-by: Will Deacon <will@kernel.org>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
 arch/arm64/include/asm/sysreg.h | 2 ++
 arch/arm64/kernel/cpufeature.c  | 2 ++
 2 files changed, 4 insertions(+)

diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
index a572069ccf6e..4bcd21cc2d68 100644
--- a/arch/arm64/include/asm/sysreg.h
+++ b/arch/arm64/include/asm/sysreg.h
@@ -766,6 +766,8 @@
 #define ID_AA64MMFR2_CNP_SHIFT		0
 
 /* id_aa64dfr0 */
+#define ID_AA64DFR0_MTPMU_SHIFT		48
+#define ID_AA64DFR0_TRACEFILT_SHIFT	40
 #define ID_AA64DFR0_PMSVER_SHIFT	32
 #define ID_AA64DFR0_CTX_CMPS_SHIFT	28
 #define ID_AA64DFR0_WRPS_SHIFT		20
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 6338151f263c..986974be0178 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -366,6 +366,8 @@ static const struct arm64_ftr_bits ftr_id_mmfr0[] = {
 };
 
 static const struct arm64_ftr_bits ftr_id_aa64dfr0[] = {
+	S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_MTPMU_SHIFT, 4, 0),
+	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_TRACEFILT_SHIFT, 4, 0),
 	S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, 36, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64DFR0_PMSVER_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64DFR0_CTX_CMPS_SHIFT, 4, 0),
-- 
2.20.1


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  parent reply	other threads:[~2020-05-19  9:42 UTC|newest]

Thread overview: 80+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-19  9:40 [PATCH V4 00/17] arm64/cpufeature: Introduce ID_PFR2, ID_DFR1, ID_MMFR5 and other changes Anshuman Khandual
2020-05-19  9:40 ` Anshuman Khandual
2020-05-19  9:40 ` Anshuman Khandual
2020-05-19  9:40 ` [PATCH V4 01/17] arm64/cpufeature: Add explicit ftr_id_isar0[] for ID_ISAR0 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19  9:40 ` [PATCH V4 02/17] arm64/cpufeature: Drop TraceFilt feature exposure from ID_DFR0 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19  9:40 ` [PATCH V4 03/17] arm64/cpufeature: Make doublelock a signed feature in ID_AA64DFR0 Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 10:44   ` Suzuki K Poulose
2020-05-19 10:44     ` Suzuki K Poulose
2020-05-19  9:40 ` [PATCH V4 04/17] arm64/cpufeature: Introduce ID_PFR2 CPU register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19  9:40 ` [PATCH V4 05/17] arm64/cpufeature: Introduce ID_DFR1 " Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 10:46   ` Suzuki K Poulose
2020-05-19 10:46     ` Suzuki K Poulose
2020-05-19 10:46     ` Suzuki K Poulose
2020-05-19  9:40 ` [PATCH V4 06/17] arm64/cpufeature: Introduce ID_MMFR5 " Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 10:50   ` Suzuki K Poulose
2020-05-19 10:50     ` Suzuki K Poulose
2020-05-19 10:50     ` Suzuki K Poulose
2020-05-19  9:40 ` [PATCH V4 07/17] arm64/cpufeature: Add remaining feature bits in ID_PFR0 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19  9:40 ` [PATCH V4 08/17] arm64/cpufeature: Add remaining feature bits in ID_MMFR4 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 10:53   ` Suzuki K Poulose
2020-05-19 10:53     ` Suzuki K Poulose
2020-05-19  9:40 ` [PATCH V4 09/17] arm64/cpufeature: Add remaining feature bits in ID_AA64ISAR0 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 10:56   ` Suzuki K Poulose
2020-05-19 10:56     ` Suzuki K Poulose
2020-05-19  9:40 ` [PATCH V4 10/17] arm64/cpufeature: Add remaining feature bits in ID_AA64PFR0 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 11:11   ` Suzuki K Poulose
2020-05-19 11:11     ` Suzuki K Poulose
2020-05-19  9:40 ` [PATCH V4 11/17] arm64/cpufeature: Add remaining feature bits in ID_AA64PFR1 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 11:13   ` Suzuki K Poulose
2020-05-19 11:13     ` Suzuki K Poulose
2020-05-19  9:40 ` [PATCH V4 12/17] arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR0 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 13:32   ` Suzuki K Poulose
2020-05-19 13:32     ` Suzuki K Poulose
2020-05-24 23:08     ` Anshuman Khandual
2020-05-24 23:08       ` Anshuman Khandual
2020-05-19  9:40 ` [PATCH V4 13/17] arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR1 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19 13:44   ` Suzuki K Poulose
2020-05-19 13:44     ` Suzuki K Poulose
2020-05-24  1:09     ` Anshuman Khandual
2020-05-24  1:09       ` Anshuman Khandual
2020-05-19  9:40 ` [PATCH V4 14/17] arm64/cpufeature: Add remaining feature bits in ID_AA64MMFR2 register Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-20 13:56   ` Suzuki K Poulose
2020-05-20 13:56     ` Suzuki K Poulose
2020-05-19  9:40 ` Anshuman Khandual [this message]
2020-05-19  9:40   ` [PATCH V4 15/17] arm64/cpufeature: Add remaining feature bits in ID_AA64DFR0 register Anshuman Khandual
2020-05-20 13:57   ` Suzuki K Poulose
2020-05-20 13:57     ` Suzuki K Poulose
2020-05-24  1:08     ` Anshuman Khandual
2020-05-24  1:08       ` Anshuman Khandual
2020-05-25 10:46       ` Suzuki K Poulose
2020-05-25 10:46         ` Suzuki K Poulose
2020-05-19  9:40 ` [PATCH V4 16/17] arm64/cpufeature: Replace all open bits shift encodings with macros Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-19  9:40 ` [PATCH V4 17/17] arm64/cpuinfo: Add ID_MMFR4_EL1 into the cpuinfo_arm64 context Anshuman Khandual
2020-05-19  9:40   ` Anshuman Khandual
2020-05-20 13:58   ` Suzuki K Poulose
2020-05-20 13:58     ` Suzuki K Poulose
2020-05-21 15:19 ` [PATCH V4 00/17] arm64/cpufeature: Introduce ID_PFR2, ID_DFR1, ID_MMFR5 and other changes Will Deacon
2020-05-21 15:19   ` Will Deacon
2020-05-21 15:19   ` Will Deacon
2020-05-25 12:39   ` Anshuman Khandual
2020-05-25 12:39     ` Anshuman Khandual
2020-05-25 12:39     ` Anshuman Khandual

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