From: Anshuman Khandual <anshuman.khandual@arm.com> To: linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com Cc: Anshuman Khandual <anshuman.khandual@arm.com>, Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Mark Brown <broonie@kernel.org>, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] arm64/cpufeature: Replace custom macros with fields from ID_AA64PFR0_EL1 Date: Thu, 18 Apr 2024 11:08:04 +0530 [thread overview] Message-ID: <20240418053804.2573071-3-anshuman.khandual@arm.com> (raw) In-Reply-To: <20240418053804.2573071-1-anshuman.khandual@arm.com> This replaces custom macros usage (i.e ID_AA64PFR0_EL1_ELx_64BIT_ONLY and ID_AA64PFR0_EL1_ELx_32BIT_64BIT) and instead directly uses register fields from ID_AA64PFR0_EL1 sysreg definition. Finally let's drop off both these custom macros as they are now redundant. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mark Brown <broonie@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- arch/arm64/include/asm/cpufeature.h | 4 ++-- arch/arm64/include/asm/sysreg.h | 4 ---- arch/arm64/kernel/cpufeature.c | 4 ++-- 3 files changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 8b904a757bd3..558434267271 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -588,14 +588,14 @@ static inline bool id_aa64pfr0_32bit_el1(u64 pfr0) { u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_EL1_SHIFT); - return val == ID_AA64PFR0_EL1_ELx_32BIT_64BIT; + return val == ID_AA64PFR0_EL1_EL1_AARCH32; } static inline bool id_aa64pfr0_32bit_el0(u64 pfr0) { u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_EL0_SHIFT); - return val == ID_AA64PFR0_EL1_ELx_32BIT_64BIT; + return val == ID_AA64PFR0_EL1_EL0_AARCH32; } static inline bool id_aa64pfr0_sve(u64 pfr0) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 9e8999592f3a..1199185a3da9 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -872,10 +872,6 @@ /* Position the attr at the correct index */ #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8)) -/* id_aa64pfr0 */ -#define ID_AA64PFR0_EL1_ELx_64BIT_ONLY 0x1 -#define ID_AA64PFR0_EL1_ELx_32BIT_64BIT 0x2 - /* id_aa64mmfr0 */ #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN 0x0 #define ID_AA64MMFR0_EL1_TGRAN4_LPA2 ID_AA64MMFR0_EL1_TGRAN4_52_BIT diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 56583677c1f2..c041b0958f53 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -285,8 +285,8 @@ static const struct arm64_ftr_bits ftr_id_aa64pfr0[] = { S_ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_FP_SHIFT, 4, ID_AA64PFR0_EL1_FP_NI), ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL3_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL2_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL1_SHIFT, 4, ID_AA64PFR0_EL1_ELx_64BIT_ONLY), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL0_SHIFT, 4, ID_AA64PFR0_EL1_ELx_64BIT_ONLY), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL1_SHIFT, 4, ID_AA64PFR0_EL1_EL1_IMP), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL0_SHIFT, 4, ID_AA64PFR0_EL1_EL0_IMP), ARM64_FTR_END, }; -- 2.25.1
WARNING: multiple messages have this Message-ID (diff)
From: Anshuman Khandual <anshuman.khandual@arm.com> To: linux-arm-kernel@lists.infradead.org, catalin.marinas@arm.com Cc: Anshuman Khandual <anshuman.khandual@arm.com>, Will Deacon <will@kernel.org>, Mark Rutland <mark.rutland@arm.com>, Mark Brown <broonie@kernel.org>, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] arm64/cpufeature: Replace custom macros with fields from ID_AA64PFR0_EL1 Date: Thu, 18 Apr 2024 11:08:04 +0530 [thread overview] Message-ID: <20240418053804.2573071-3-anshuman.khandual@arm.com> (raw) In-Reply-To: <20240418053804.2573071-1-anshuman.khandual@arm.com> This replaces custom macros usage (i.e ID_AA64PFR0_EL1_ELx_64BIT_ONLY and ID_AA64PFR0_EL1_ELx_32BIT_64BIT) and instead directly uses register fields from ID_AA64PFR0_EL1 sysreg definition. Finally let's drop off both these custom macros as they are now redundant. Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Mark Brown <broonie@kernel.org> Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com> --- arch/arm64/include/asm/cpufeature.h | 4 ++-- arch/arm64/include/asm/sysreg.h | 4 ---- arch/arm64/kernel/cpufeature.c | 4 ++-- 3 files changed, 4 insertions(+), 8 deletions(-) diff --git a/arch/arm64/include/asm/cpufeature.h b/arch/arm64/include/asm/cpufeature.h index 8b904a757bd3..558434267271 100644 --- a/arch/arm64/include/asm/cpufeature.h +++ b/arch/arm64/include/asm/cpufeature.h @@ -588,14 +588,14 @@ static inline bool id_aa64pfr0_32bit_el1(u64 pfr0) { u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_EL1_SHIFT); - return val == ID_AA64PFR0_EL1_ELx_32BIT_64BIT; + return val == ID_AA64PFR0_EL1_EL1_AARCH32; } static inline bool id_aa64pfr0_32bit_el0(u64 pfr0) { u32 val = cpuid_feature_extract_unsigned_field(pfr0, ID_AA64PFR0_EL1_EL0_SHIFT); - return val == ID_AA64PFR0_EL1_ELx_32BIT_64BIT; + return val == ID_AA64PFR0_EL1_EL0_AARCH32; } static inline bool id_aa64pfr0_sve(u64 pfr0) diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h index 9e8999592f3a..1199185a3da9 100644 --- a/arch/arm64/include/asm/sysreg.h +++ b/arch/arm64/include/asm/sysreg.h @@ -872,10 +872,6 @@ /* Position the attr at the correct index */ #define MAIR_ATTRIDX(attr, idx) ((attr) << ((idx) * 8)) -/* id_aa64pfr0 */ -#define ID_AA64PFR0_EL1_ELx_64BIT_ONLY 0x1 -#define ID_AA64PFR0_EL1_ELx_32BIT_64BIT 0x2 - /* id_aa64mmfr0 */ #define ID_AA64MMFR0_EL1_TGRAN4_SUPPORTED_MIN 0x0 #define ID_AA64MMFR0_EL1_TGRAN4_LPA2 ID_AA64MMFR0_EL1_TGRAN4_52_BIT diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c index 56583677c1f2..c041b0958f53 100644 --- a/arch/arm64/kernel/cpufeature.c +++ b/arch/arm64/kernel/cpufeature.c @@ -285,8 +285,8 @@ static const struct arm64_ftr_bits ftr_id_aa64pfr0[] = { S_ARM64_FTR_BITS(FTR_VISIBLE, FTR_STRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_FP_SHIFT, 4, ID_AA64PFR0_EL1_FP_NI), ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL3_SHIFT, 4, 0), ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL2_SHIFT, 4, 0), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL1_SHIFT, 4, ID_AA64PFR0_EL1_ELx_64BIT_ONLY), - ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL0_SHIFT, 4, ID_AA64PFR0_EL1_ELx_64BIT_ONLY), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL1_SHIFT, 4, ID_AA64PFR0_EL1_EL1_IMP), + ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_LOWER_SAFE, ID_AA64PFR0_EL1_EL0_SHIFT, 4, ID_AA64PFR0_EL1_EL0_IMP), ARM64_FTR_END, }; -- 2.25.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2024-04-18 5:38 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-04-18 5:38 [PATCH 0/2] arm64: Drop ID_AA64PFR0_EL1_ELx_[64BIT_ONLY|32BIT_64BIT] Anshuman Khandual 2024-04-18 5:38 ` Anshuman Khandual 2024-04-18 5:38 ` [PATCH 1/2] KVM: arm64: Replace custom macros with fields from ID_AA64PFR0_EL1 Anshuman Khandual 2024-04-18 5:38 ` Anshuman Khandual 2024-04-18 7:39 ` Marc Zyngier 2024-04-18 7:39 ` Marc Zyngier 2024-04-29 2:23 ` Anshuman Khandual 2024-04-29 2:23 ` Anshuman Khandual 2024-05-10 18:09 ` Mark Rutland 2024-05-10 18:09 ` Mark Rutland 2024-05-13 5:28 ` Anshuman Khandual 2024-05-13 5:28 ` Anshuman Khandual 2024-04-18 5:38 ` Anshuman Khandual [this message] 2024-04-18 5:38 ` [PATCH 2/2] arm64/cpufeature: " Anshuman Khandual 2024-05-09 4:44 ` [PATCH 0/2] arm64: Drop ID_AA64PFR0_EL1_ELx_[64BIT_ONLY|32BIT_64BIT] Anshuman Khandual 2024-05-09 4:44 ` Anshuman Khandual
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20240418053804.2573071-3-anshuman.khandual@arm.com \ --to=anshuman.khandual@arm.com \ --cc=broonie@kernel.org \ --cc=catalin.marinas@arm.com \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=linux-kernel@vger.kernel.org \ --cc=mark.rutland@arm.com \ --cc=will@kernel.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes, see mirroring instructions on how to clone and mirror all data and code used by this external index.