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 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 51BE3ECAAD3 for ; Mon, 5 Sep 2022 20:26:07 +0000 (UTC) Received: from localhost ([::1]:53788 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1oVIfW-0002Sd-Ee for qemu-devel@archiver.kernel.org; Mon, 05 Sep 2022 16:26:06 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37834) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1oVIck-0007Ez-VQ for qemu-devel@nongnu.org; Mon, 05 Sep 2022 16:23:15 -0400 Received: from mail-wr1-x432.google.com ([2a00:1450:4864:20::432]:39615) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1oVIcg-0004ZN-Tg for qemu-devel@nongnu.org; Mon, 05 Sep 2022 16:23:13 -0400 Received: by mail-wr1-x432.google.com with SMTP id az27so12626588wrb.6 for ; Mon, 05 Sep 2022 13:23:10 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=L7q2sisR9jXPO2g1tObtbxm8Q6qrnHqWQnHO8ESVRzQ=; b=JoXyapuA2sOqdU7HqTp/qhFiVhAbSCT0vMPIZcZwJtUAU0dkCrZq3Ju+v7jAt4YCev E4x3Hh4CJujgjCy8pBZlFuGoGMwqe4WAhcoq0upcshS28OfCS76VXLQiyMsu93UrIpmN ZPlvJkUgzjIY7SIBKgskvJ6hBBN6p69tKezsBZycbVKxvC6wYom6HxgSk4nY1lsFMwLZ ZN21alsarhmSBc7CgjWjdDjG/Wj/hXyFs6o5+BStvuRWeD9cblICCYJbORP0FmughMLs wM2vCiyRLdBLsdff9BvpNesuxEwljmuqbH3N0HjkgfUg0ORSf7hU7SFMFuB/FQK9oWD7 H20A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=L7q2sisR9jXPO2g1tObtbxm8Q6qrnHqWQnHO8ESVRzQ=; b=KtI72QhEU9TFvNnGoha6NDg7+vxuewtRqtpDFE6xG3k+mGzCdcoUNZ52SJClCqNLip Qn/Sw62RhJksrKHRAF81FLiVuTQOJoCz7Cr1AZ6rlxtE9Y5SVjYhpRuSTpPMyiWcI9Vr /6jqMJbirfRZS3WIlCfU9Lx9DE+0h12njtkJecGvx63LYOAzPlCJDS1UaOzn21/CjP4R jGWAcYPy7mU1J6aMqpasO7a+2JnmR8IraGw+eJ1GkM8oCWUAwYs6YCj795G4ZABMedwd xMmbRCXLskCBa9asBcdmqDW6Cf9sIjdgeJ+45SvCv+o5Y6+fm5XsF/+k0Gule8cxcWJw hr9w== X-Gm-Message-State: ACgBeo16ZLiON4sI5aMcKTcrJUKefHyZdfxbsAfa99S1CER/JoEv17At tyjXUnQjxhsZODYvCTmf+tQ06uAla/0pwtj4 X-Google-Smtp-Source: AA6agR42vX1E7Ajc/Q6xgoqRAFmPoFlm6L1EuBh/wQBKBOcrA0H8BCkctI8l0SdQ2Ge76e0LaS7XQA== X-Received: by 2002:a5d:4d12:0:b0:226:d878:e096 with SMTP id z18-20020a5d4d12000000b00226d878e096mr23055546wrt.377.1662409389551; Mon, 05 Sep 2022 13:23:09 -0700 (PDT) Received: from localhost.localdomain ([2a02:8084:a5c0:5a80:d0ad:82b5:d7a4:c0a9]) by smtp.gmail.com with ESMTPSA id m14-20020a5d56ce000000b00226d238be98sm9472404wrw.82.2022.09.05.13.23.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Sep 2022 13:23:09 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: f4bug@amsat.org, qemu-arm@nongnu.org, pbonzini@redhat.com Subject: [PATCH v3 6/6] include/exec: Introduce TARGET_PAGE_ENTRY_EXTRA Date: Mon, 5 Sep 2022 21:22:59 +0100 Message-Id: <20220905202259.189852-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220905202259.189852-1-richard.henderson@linaro.org> References: <20220905202259.189852-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::432; envelope-from=richard.henderson@linaro.org; helo=mail-wr1-x432.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Allow the target to cache items from the guest page tables. Signed-off-by: Richard Henderson --- include/exec/cpu-defs.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h index 5e12cc1854..67239b4e5e 100644 --- a/include/exec/cpu-defs.h +++ b/include/exec/cpu-defs.h @@ -163,6 +163,15 @@ typedef struct CPUTLBEntryFull { /* @lg_page_size contains the log2 of the page size. */ uint8_t lg_page_size; + + /* + * Allow target-specific additions to this structure. + * This may be used to cache items from the guest cpu + * page tables for later use by the implementation. + */ +#ifdef TARGET_PAGE_ENTRY_EXTRA + TARGET_PAGE_ENTRY_EXTRA +#endif } CPUTLBEntryFull; /* -- 2.34.1