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Wed, 20 Jan 2021 09:17:52 -0800 (PST) X-Google-Smtp-Source: ABdhPJyeuYEC/fsaR3mx2YNIF8bssLZt2TpKGMHbhFlyb6NHHt6LAR5+Rk9Oh83U0NusT4UYuabgLQ== X-Received: by 2002:adf:df06:: with SMTP id y6mr10383126wrl.241.1611163072382; Wed, 20 Jan 2021 09:17:52 -0800 (PST) Received: from redfedo.redhat.com ([2a01:cb14:499:3d00:cd47:f651:9d80:157a]) by smtp.gmail.com with ESMTPSA id o124sm5444077wmb.5.2021.01.20.09.17.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 09:17:51 -0800 (PST) From: Julien Thierry To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH 2/5] arm64: aarch64-insn: Add SVE instruction class Date: Wed, 20 Jan 2021 18:17:42 +0100 Message-Id: <20210120171745.1657762-3-jthierry@redhat.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20210120171745.1657762-1-jthierry@redhat.com> References: <20210120171745.1657762-1-jthierry@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jthierry@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210120_121756_169647_1D44CD4E X-CRM114-Status: GOOD ( 14.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, catalin.marinas@arm.com, broonie@kernel.org, will@kernel.org, Julien Thierry Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org SVE has been public for some time now. Let the decoder acknowledge its existence. Signed-off-by: Julien Thierry --- arch/arm64/include/asm/aarch64-insn.h | 1 + arch/arm64/lib/aarch64-insn.c | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/aarch64-insn.h b/arch/arm64/include/asm/aarch64-insn.h index cead3be1a2d0..200bee726172 100644 --- a/arch/arm64/include/asm/aarch64-insn.h +++ b/arch/arm64/include/asm/aarch64-insn.h @@ -40,6 +40,7 @@ */ enum aarch64_insn_encoding_class { AARCH64_INSN_CLS_UNKNOWN, /* UNALLOCATED */ + AARCH64_INSN_CLS_SVE, /* SVE instructions */ AARCH64_INSN_CLS_DP_IMM, /* Data processing - immediate */ AARCH64_INSN_CLS_DP_REG, /* Data processing - register */ AARCH64_INSN_CLS_DP_FPSIMD, /* Data processing - SIMD and FP */ diff --git a/arch/arm64/lib/aarch64-insn.c b/arch/arm64/lib/aarch64-insn.c index df233a7790dc..95d9143aa9c6 100644 --- a/arch/arm64/lib/aarch64-insn.c +++ b/arch/arm64/lib/aarch64-insn.c @@ -17,7 +17,7 @@ static const int aarch64_insn_encoding_class[] = { AARCH64_INSN_CLS_UNKNOWN, AARCH64_INSN_CLS_UNKNOWN, - AARCH64_INSN_CLS_UNKNOWN, + AARCH64_INSN_CLS_SVE, AARCH64_INSN_CLS_UNKNOWN, AARCH64_INSN_CLS_LDST, AARCH64_INSN_CLS_DP_REG, From patchwork Wed Jan 20 17:17:43 2021 Content-Type: text/plain; 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Signed-off-by: Julien Thierry --- arch/arm64/include/asm/aarch64-insn.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/include/asm/aarch64-insn.h b/arch/arm64/include/asm/aarch64-insn.h index 200bee726172..d0fee47bbe6e 100644 --- a/arch/arm64/include/asm/aarch64-insn.h +++ b/arch/arm64/include/asm/aarch64-insn.h @@ -379,6 +379,9 @@ __AARCH64_INSN_FUNCS(eret_auth, 0xFFFFFBFF, 0xD69F0BFF) __AARCH64_INSN_FUNCS(mrs, 0xFFF00000, 0xD5300000) __AARCH64_INSN_FUNCS(msr_imm, 0xFFF8F01F, 0xD500401F) __AARCH64_INSN_FUNCS(msr_reg, 0xFFF00000, 0xD5100000) +__AARCH64_INSN_FUNCS(dmb, 0xFFFFF0FF, 0xD50330BF) +__AARCH64_INSN_FUNCS(dsb, 0xFFFFF0FF, 0xD503309F) +__AARCH64_INSN_FUNCS(isb, 0xFFFFF0FF, 0xD50330DF) #undef __AARCH64_INSN_FUNCS @@ -390,6 +393,12 @@ static inline bool aarch64_insn_is_adr_adrp(u32 insn) return aarch64_insn_is_adr(insn) || aarch64_insn_is_adrp(insn); } +static inline bool aarch64_insn_is_barrier(u32 insn) +{ + return aarch64_insn_is_dmb(insn) || aarch64_insn_is_dsb(insn) || + aarch64_insn_is_isb(insn); +} + enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn); bool aarch64_insn_uses_literal(u32 insn); bool aarch64_insn_is_branch(u32 insn); From patchwork Wed Jan 20 17:17:44 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Thierry X-Patchwork-Id: 12032969 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B079EC4332B for ; Wed, 20 Jan 2021 17:19:43 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5CF5A22CE3 for ; 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Wed, 20 Jan 2021 09:17:56 -0800 (PST) X-Google-Smtp-Source: ABdhPJx9/Da8tncM9FW1gM7j7pp0Cfvb9+o70yKYJdFyq5RTHywzEfimDcDdwKpOAUg8QvuwvF7OiQ== X-Received: by 2002:a1c:6308:: with SMTP id x8mr5127152wmb.108.1611163076301; Wed, 20 Jan 2021 09:17:56 -0800 (PST) Received: from redfedo.redhat.com ([2a01:cb14:499:3d00:cd47:f651:9d80:157a]) by smtp.gmail.com with ESMTPSA id o124sm5444077wmb.5.2021.01.20.09.17.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 09:17:55 -0800 (PST) From: Julien Thierry To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [RFC PATCH 4/5] arm64: aarch64-insn: Add some opcodes to instruction decoder Date: Wed, 20 Jan 2021 18:17:44 +0100 Message-Id: <20210120171745.1657762-5-jthierry@redhat.com> X-Mailer: git-send-email 2.25.4 In-Reply-To: <20210120171745.1657762-1-jthierry@redhat.com> References: <20210120171745.1657762-1-jthierry@redhat.com> MIME-Version: 1.0 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=jthierry@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210120_121800_932078_87D511D9 X-CRM114-Status: GOOD ( 11.61 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, catalin.marinas@arm.com, broonie@kernel.org, will@kernel.org, Julien Thierry Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add decoding capability for some instructions that objtool will need to decode. Signed-off-by: Julien Thierry --- arch/arm64/include/asm/aarch64-insn.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/include/asm/aarch64-insn.h b/arch/arm64/include/asm/aarch64-insn.h index d0fee47bbe6e..3a0e0ad51f5b 100644 --- a/arch/arm64/include/asm/aarch64-insn.h +++ b/arch/arm64/include/asm/aarch64-insn.h @@ -305,6 +305,12 @@ __AARCH64_INSN_FUNCS(adr, 0x9F000000, 0x10000000) __AARCH64_INSN_FUNCS(adrp, 0x9F000000, 0x90000000) __AARCH64_INSN_FUNCS(prfm, 0x3FC00000, 0x39800000) __AARCH64_INSN_FUNCS(prfm_lit, 0xFF000000, 0xD8000000) +__AARCH64_INSN_FUNCS(store_imm, 0x3FC00000, 0x39000000) +__AARCH64_INSN_FUNCS(load_imm, 0x3FC00000, 0x39400000) +__AARCH64_INSN_FUNCS(store_pre, 0x3FE00C00, 0x38000C00) +__AARCH64_INSN_FUNCS(load_pre, 0x3FE00C00, 0x38400C00) +__AARCH64_INSN_FUNCS(store_post, 0x3FE00C00, 0x38000400) +__AARCH64_INSN_FUNCS(load_post, 0x3FE00C00, 0x38400400) __AARCH64_INSN_FUNCS(str_reg, 0x3FE0EC00, 0x38206800) __AARCH64_INSN_FUNCS(ldadd, 0x3F20FC00, 0x38200000) __AARCH64_INSN_FUNCS(ldr_reg, 0x3FE0EC00, 0x38606800) @@ -313,6 +319,8 @@ __AARCH64_INSN_FUNCS(ldrsw_lit, 0xFF000000, 0x98000000) __AARCH64_INSN_FUNCS(exclusive, 0x3F800000, 0x08000000) __AARCH64_INSN_FUNCS(load_ex, 0x3F400000, 0x08400000) __AARCH64_INSN_FUNCS(store_ex, 0x3F400000, 0x08000000) +__AARCH64_INSN_FUNCS(stp, 0x7FC00000, 0x29000000) +__AARCH64_INSN_FUNCS(ldp, 0x7FC00000, 0x29400000) __AARCH64_INSN_FUNCS(stp_post, 0x7FC00000, 0x28800000) __AARCH64_INSN_FUNCS(ldp_post, 0x7FC00000, 0x28C00000) __AARCH64_INSN_FUNCS(stp_pre, 0x7FC00000, 0x29800000) @@ -345,6 +353,7 @@ __AARCH64_INSN_FUNCS(rev64, 0x7FFFFC00, 0x5AC00C00) __AARCH64_INSN_FUNCS(and, 0x7F200000, 0x0A000000) __AARCH64_INSN_FUNCS(bic, 0x7F200000, 0x0A200000) __AARCH64_INSN_FUNCS(orr, 0x7F200000, 0x2A000000) +__AARCH64_INSN_FUNCS(mov_reg, 0x7FE0FFE0, 0x2A0003E0) __AARCH64_INSN_FUNCS(orn, 0x7F200000, 0x2A200000) __AARCH64_INSN_FUNCS(eor, 0x7F200000, 0x4A000000) __AARCH64_INSN_FUNCS(eon, 0x7F200000, 0x4A200000) From patchwork Wed Jan 20 17:17:45 2021 Content-Type: text/plain; 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Signed-off-by: Julien Thierry --- arch/arm64/include/asm/aarch64-insn.h | 28 +++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/include/asm/aarch64-insn.h b/arch/arm64/include/asm/aarch64-insn.h index 3a0e0ad51f5b..f1b5b652c400 100644 --- a/arch/arm64/include/asm/aarch64-insn.h +++ b/arch/arm64/include/asm/aarch64-insn.h @@ -408,6 +408,34 @@ static inline bool aarch64_insn_is_barrier(u32 insn) aarch64_insn_is_isb(insn); } +static inline bool aarch64_insn_is_store_single(u32 insn) +{ + return aarch64_insn_is_store_imm(insn) || + aarch64_insn_is_store_pre(insn) || + aarch64_insn_is_store_post(insn); +} + +static inline bool aarch64_insn_is_store_pair(u32 insn) +{ + return aarch64_insn_is_stp(insn) || + aarch64_insn_is_stp_pre(insn) || + aarch64_insn_is_stp_post(insn); +} + +static inline bool aarch64_insn_is_load_single(u32 insn) +{ + return aarch64_insn_is_load_imm(insn) || + aarch64_insn_is_load_pre(insn) || + aarch64_insn_is_load_post(insn); +} + +static inline bool aarch64_insn_is_load_pair(u32 insn) +{ + return aarch64_insn_is_ldp(insn) || + aarch64_insn_is_ldp_pre(insn) || + aarch64_insn_is_ldp_post(insn); +} + enum aarch64_insn_encoding_class aarch64_get_insn_class(u32 insn); bool aarch64_insn_uses_literal(u32 insn); bool aarch64_insn_is_branch(u32 insn);