From mboxrd@z Thu Jan 1 00:00:00 1970 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=-18.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, 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 D669BC433E0 for ; Wed, 20 Jan 2021 17:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AF11C23358 for ; Wed, 20 Jan 2021 17:20:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391806AbhATRUF (ORCPT ); Wed, 20 Jan 2021 12:20:05 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:22582 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404213AbhATRTZ (ORCPT ); Wed, 20 Jan 2021 12:19:25 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1611163078; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=BuVvNIiTcLIwTMUtR2/AICUGs4023e5C4mwCuIOhLQ0=; b=OmD16cq3Ek7f7v5AcJZg9Gjbtxskryv7osUWxZ5by4LliV/kZGQGkeDY3CV+0bkl0iwov+ mcm36elD9AYYx1F/i+zi/dfkn3Up7xUl2oQAYaMbc5nsbYXBzTc096Md4+ZqHZ0QeKk+Ev zOI2Ffna6vTEYSgaFdkwBdONxo8q6UE= Received: from mail-wm1-f69.google.com (mail-wm1-f69.google.com [209.85.128.69]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-529-FnCTjPKbO-SFFi9uVqho1w-1; Wed, 20 Jan 2021 12:17:56 -0500 X-MC-Unique: FnCTjPKbO-SFFi9uVqho1w-1 Received: by mail-wm1-f69.google.com with SMTP id f16so1793355wmq.7 for ; Wed, 20 Jan 2021 09:17:55 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=BuVvNIiTcLIwTMUtR2/AICUGs4023e5C4mwCuIOhLQ0=; b=q7xohgpOIJ8f/yrhY2XFFXmHYv5TdMMxvqWrp/4lTuLsZgs0xmSIcalLEoE7Dg0s7I 42Sf4JRAI0lo9XoMM6+DRI0sl4uG8IOWWuSfZQjaoLtUo33qXqDrILVxxpP+oA2nKq09 EZyZVFTDtCRjvF95L6Tblc+Ef7GWbQIG0UgP0aWF+2WarhlMoVgOK73Sjm6IWniKMFTG 6d5U22wxzK1DHNT2D1kG6iyv8YWQrf4M8CtgjnlrPOalcGz8JeU61Xyyaotnvv7tw4VE DpcjN3cQStYOU8sqxPLSvUU2EcXkATqQ5c6iyymo4eulUCJ1VQUOBn6QyoXjfy1l0voR FJNA== X-Gm-Message-State: AOAM530rcylCPxDa9WhD4bhHYXAUXgTWCtuRJ0BQimibc4Gt5g5lFkpe NMwy4gOPRpQ3at5eK2fQqXoh51W9q8PNBVZYQ+c9NkZ/pwhPrvrNxk0iS0BkhVvVKCDloG8b1wQ Kv2h/+ZBqaia6Nzk40seHmWjB/ivdcGHHENMYKC+9OYS+izZLoZHUXNy1p56wUBKx+NBh4FjfRV 9G X-Received: by 2002:a1c:1b51:: with SMTP id b78mr4510286wmb.123.1611163074730; Wed, 20 Jan 2021 09:17:54 -0800 (PST) X-Google-Smtp-Source: ABdhPJxsYCMfhhEKjutOwxT3RZb6da21RtH1zNW+YSSWuEhWKikT8WABtWZyJvupULKIXKqtmJVmpA== X-Received: by 2002:a1c:1b51:: with SMTP id b78mr4510260wmb.123.1611163074473; Wed, 20 Jan 2021 09:17:54 -0800 (PST) Received: from redfedo.redhat.com ([2a01:cb14:499:3d00:cd47:f651:9d80:157a]) by smtp.gmail.com with ESMTPSA id o124sm5444077wmb.5.2021.01.20.09.17.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 09:17:54 -0800 (PST) From: Julien Thierry To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com, broonie@kernel.org, Julien Thierry Subject: [RFC PATCH 3/5] arm64: aarch64-insn: Add barrier encodings Date: Wed, 20 Jan 2021 18:17:43 +0100 Message-Id: <20210120171745.1657762-4-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 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Create necessary functions to encode/decode aarch64 data/instruction barriers. 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); -- 2.25.4