From: Marc Zyngier <marc.zyngier@arm.com> To: linux-arm-kernel@lists.infradead.org, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Cc: Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com> Subject: [PATCH v4 06/19] arm64: insn: Add N immediate encoding Date: Thu, 4 Jan 2018 18:43:21 +0000 [thread overview] Message-ID: <20180104184334.16571-7-marc.zyngier@arm.com> (raw) In-Reply-To: <20180104184334.16571-1-marc.zyngier@arm.com> We're missing the a way to generate the encoding of the N immediate, which is only a single bit used in a number of instruction that take an immediate. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- arch/arm64/include/asm/insn.h | 1 + arch/arm64/kernel/insn.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h index 4214c38d016b..21fffdd290a3 100644 --- a/arch/arm64/include/asm/insn.h +++ b/arch/arm64/include/asm/insn.h @@ -70,6 +70,7 @@ enum aarch64_insn_imm_type { AARCH64_INSN_IMM_6, AARCH64_INSN_IMM_S, AARCH64_INSN_IMM_R, + AARCH64_INSN_IMM_N, AARCH64_INSN_IMM_MAX }; diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c index 2718a77da165..7e432662d454 100644 --- a/arch/arm64/kernel/insn.c +++ b/arch/arm64/kernel/insn.c @@ -343,6 +343,10 @@ static int __kprobes aarch64_get_imm_shift_mask(enum aarch64_insn_imm_type type, mask = BIT(6) - 1; shift = 16; break; + case AARCH64_INSN_IMM_N: + mask = 1; + shift = 22; + break; default: return -EINVAL; } -- 2.14.2
WARNING: multiple messages have this Message-ID (diff)
From: marc.zyngier@arm.com (Marc Zyngier) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 06/19] arm64: insn: Add N immediate encoding Date: Thu, 4 Jan 2018 18:43:21 +0000 [thread overview] Message-ID: <20180104184334.16571-7-marc.zyngier@arm.com> (raw) In-Reply-To: <20180104184334.16571-1-marc.zyngier@arm.com> We're missing the a way to generate the encoding of the N immediate, which is only a single bit used in a number of instruction that take an immediate. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- arch/arm64/include/asm/insn.h | 1 + arch/arm64/kernel/insn.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/arch/arm64/include/asm/insn.h b/arch/arm64/include/asm/insn.h index 4214c38d016b..21fffdd290a3 100644 --- a/arch/arm64/include/asm/insn.h +++ b/arch/arm64/include/asm/insn.h @@ -70,6 +70,7 @@ enum aarch64_insn_imm_type { AARCH64_INSN_IMM_6, AARCH64_INSN_IMM_S, AARCH64_INSN_IMM_R, + AARCH64_INSN_IMM_N, AARCH64_INSN_IMM_MAX }; diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c index 2718a77da165..7e432662d454 100644 --- a/arch/arm64/kernel/insn.c +++ b/arch/arm64/kernel/insn.c @@ -343,6 +343,10 @@ static int __kprobes aarch64_get_imm_shift_mask(enum aarch64_insn_imm_type type, mask = BIT(6) - 1; shift = 16; break; + case AARCH64_INSN_IMM_N: + mask = 1; + shift = 22; + break; default: return -EINVAL; } -- 2.14.2
next prev parent reply other threads:[~2018-01-04 18:43 UTC|newest] Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top 2018-01-04 18:43 [PATCH v4 00/19] KVM/arm64: Randomise EL2 mappings Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-04 18:43 ` [PATCH v4 01/19] arm64: asm-offsets: Avoid clashing DMA definitions Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-04 18:43 ` [PATCH v4 02/19] arm64: asm-offsets: Remove unused definitions Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-04 18:43 ` [PATCH v4 03/19] arm64: asm-offsets: Remove potential circular dependency Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 8:34 ` Christoffer Dall 2018-01-15 8:34 ` Christoffer Dall 2018-01-15 8:42 ` Marc Zyngier 2018-01-15 8:42 ` Marc Zyngier 2018-01-15 9:46 ` Christoffer Dall 2018-01-15 9:46 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 04/19] arm64: alternatives: Enforce alignment of struct alt_instr Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 9:11 ` Christoffer Dall 2018-01-15 9:11 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 05/19] arm64: alternatives: Add dynamic patching feature Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 11:26 ` Christoffer Dall 2018-01-15 11:26 ` Christoffer Dall 2018-01-04 18:43 ` Marc Zyngier [this message] 2018-01-04 18:43 ` [PATCH v4 06/19] arm64: insn: Add N immediate encoding Marc Zyngier 2018-01-15 11:26 ` Christoffer Dall 2018-01-15 11:26 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 07/19] arm64: insn: Add encoder for bitwise operations using literals Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 11:26 ` Christoffer Dall 2018-01-15 11:26 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 08/19] arm64: KVM: Dynamically patch the kernel/hyp VA mask Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 11:47 ` Christoffer Dall 2018-01-15 11:47 ` Christoffer Dall 2018-02-15 13:11 ` Marc Zyngier 2018-02-15 13:11 ` Marc Zyngier 2018-02-16 9:02 ` Christoffer Dall 2018-02-16 9:02 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 09/19] arm64: cpufeatures: Drop the ARM64_HYP_OFFSET_LOW feature flag Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 11:48 ` Christoffer Dall 2018-01-15 11:48 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 10/19] KVM: arm/arm64: Do not use kern_hyp_va() with kvm_vgic_global_state Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 15:36 ` Christoffer Dall 2018-01-15 15:36 ` Christoffer Dall 2018-02-15 13:22 ` Marc Zyngier 2018-02-15 13:22 ` Marc Zyngier 2018-02-16 9:05 ` Christoffer Dall 2018-02-16 9:05 ` Christoffer Dall 2018-02-16 9:33 ` Marc Zyngier 2018-02-16 9:33 ` Marc Zyngier 2018-02-19 14:39 ` Christoffer Dall 2018-02-19 14:39 ` Christoffer Dall 2018-02-20 11:40 ` Marc Zyngier 2018-02-20 11:40 ` Marc Zyngier 2018-01-04 18:43 ` [PATCH v4 11/19] KVM: arm/arm64: Demote HYP VA range display to being a debug feature Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 15:54 ` Christoffer Dall 2018-01-15 15:54 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 12/19] KVM: arm/arm64: Move ioremap calls to create_hyp_io_mappings Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-15 18:07 ` Christoffer Dall 2018-01-15 18:07 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 13/19] KVM: arm/arm64: Keep GICv2 HYP VAs in kvm_vgic_global_state Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-18 14:39 ` Christoffer Dall 2018-01-18 14:39 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 14/19] KVM: arm/arm64: Move HYP IO VAs to the "idmap" range Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-18 14:39 ` Christoffer Dall 2018-01-18 14:39 ` Christoffer Dall 2018-02-15 13:52 ` Marc Zyngier 2018-02-15 13:52 ` Marc Zyngier 2018-02-16 9:25 ` Christoffer Dall 2018-02-16 9:25 ` Christoffer Dall 2018-02-16 15:20 ` Marc Zyngier 2018-02-16 15:20 ` Marc Zyngier 2018-01-04 18:43 ` [PATCH v4 15/19] arm64; insn: Add encoder for the EXTR instruction Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-18 20:27 ` Christoffer Dall 2018-01-18 20:27 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 16/19] arm64: insn: Allow ADD/SUB (immediate) with LSL #12 Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-18 20:28 ` Christoffer Dall 2018-01-18 20:28 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 17/19] arm64: KVM: Dynamically compute the HYP VA mask Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-18 20:28 ` Christoffer Dall 2018-01-18 20:28 ` Christoffer Dall 2018-02-15 13:58 ` Marc Zyngier 2018-02-15 13:58 ` Marc Zyngier 2018-01-04 18:43 ` [PATCH v4 18/19] arm64: KVM: Introduce EL2 VA randomisation Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-18 20:28 ` Christoffer Dall 2018-01-18 20:28 ` Christoffer Dall 2018-02-15 15:32 ` Marc Zyngier 2018-02-15 15:32 ` Marc Zyngier 2018-02-16 9:33 ` Christoffer Dall 2018-02-16 9:33 ` Christoffer Dall 2018-01-04 18:43 ` [PATCH v4 19/19] arm64: Update the KVM memory map documentation Marc Zyngier 2018-01-04 18:43 ` Marc Zyngier 2018-01-18 20:28 ` Christoffer Dall 2018-01-18 20:28 ` Christoffer Dall
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=20180104184334.16571-7-marc.zyngier@arm.com \ --to=marc.zyngier@arm.com \ --cc=catalin.marinas@arm.com \ --cc=kvm@vger.kernel.org \ --cc=kvmarm@lists.cs.columbia.edu \ --cc=linux-arm-kernel@lists.infradead.org \ --cc=will.deacon@arm.com \ /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.