From nobody Mon Feb 9 09:43:16 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1502150093012504.6941358847587; Mon, 7 Aug 2017 16:54:53 -0700 (PDT) Received: from localhost ([::1]:40043 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1derrH-0007GQ-MD for importer@patchew.org; Mon, 07 Aug 2017 19:54:51 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47770) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1derpM-0005yP-Ga for qemu-devel@nongnu.org; Mon, 07 Aug 2017 19:52:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1derpH-0005iZ-2G for qemu-devel@nongnu.org; Mon, 07 Aug 2017 19:52:52 -0400 Received: from out1-smtp.messagingengine.com ([66.111.4.25]:43859) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1derpG-0005hx-U4 for qemu-devel@nongnu.org; Mon, 07 Aug 2017 19:52:47 -0400 Received: from compute4.internal (compute4.nyi.internal [10.202.2.44]) by mailout.nyi.internal (Postfix) with ESMTP id 8B02F2192E; Mon, 7 Aug 2017 19:52:46 -0400 (EDT) Received: from frontend2 ([10.202.2.161]) by compute4.internal (MEProxy); Mon, 07 Aug 2017 19:52:46 -0400 Received: from localhost (flamenco.cs.columbia.edu [128.59.20.216]) by mail.messagingengine.com (Postfix) with ESMTPA id 49B30240B1; Mon, 7 Aug 2017 19:52:46 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=braap.org; h=cc :date:from:in-reply-to:message-id:references:subject:to :x-me-sender:x-me-sender:x-sasl-enc:x-sasl-enc; s=mesmtp; bh=f8u qGWkbNLWxkFdEgKvblypj/osyqGiXu8P4q7Rvoo8=; b=A5dMnUaIS8omjRMxQxt Fjpz9ElD3++EXM55wvbuTHI8g77hxhBU4OK8CMBV5uAuiTia0Wlkc71qNdDxlKga lCFv76n9B2V+iUApRE8kBylwUQQyzbN5dID9Ce2rnCsUOECrxl5NzVB9Pj+pgkA6 8guMGzs3eKsKMTifvHA/bqEQ= DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:date:from:in-reply-to:message-id :references:subject:to:x-me-sender:x-me-sender:x-sasl-enc :x-sasl-enc; s=fm1; bh=f8uqGWkbNLWxkFdEgKvblypj/osyqGiXu8P4q7Rvo o8=; b=Sco9q2E162vw8H5oORA8vIC6A8rin3hgu7NFDWV5h6EUO0Rj5YpK2syqe CsEUWFodoep1MP2b9mkHlTksQu+ccEgcqq5QEypL0aQlql7iSU6okgr34qu/t+Ek 3gI49IWeWlk179ZORa95u0LwrSZ28cwXrHdcB5Qn2sL2SN26qxyOui7m3cbUGjQk h3I6oa0gVwvrOkCv2ZZG+eoc83YnrXINSFxuaUlhz3HGP/4Tq7lV9TYp8AFJPMK8 vohIdjDTnT+xzP4Ffg+eOCu/sMWbRxgtgVYLMdMFse4ITk2tNnu9GLIOYYCznOyj tZzX9k1BnKxjE9uTSmUgSw2aa/7mA== X-ME-Sender: X-Sasl-enc: EloxF0xvZW4hrBJwVmvkxpEIXaqUo+A0xN0edYKZ+KJa 1502149966 From: "Emilio G. Cota" To: qemu-devel@nongnu.org Date: Mon, 7 Aug 2017 19:52:25 -0400 Message-Id: <1502149958-23381-10-git-send-email-cota@braap.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1502149958-23381-1-git-send-email-cota@braap.org> References: <1502149958-23381-1-git-send-email-cota@braap.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 66.111.4.25 Subject: [Qemu-devel] [PATCH 09/22] translate-all: introduce iterator macros for tagged TB lists X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" These will soon gain a couple of users. Signed-off-by: Emilio G. Cota --- accel/tcg/translate-all.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 8f6f8f1..396c10c 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -115,6 +115,25 @@ typedef struct PageDesc { #endif } PageDesc; =20 +/* list iterators for lists of tagged pointers in TranslationBlock */ +#define tb_for_each_tagged(head, tb, n, field) \ + for (n =3D (head) & 1, \ + tb =3D (TranslationBlock *)((head) & ~1); \ + tb; \ + tb =3D (TranslationBlock *)tb->field[n], \ + n =3D (uintptr_t)tb & 1, \ + tb =3D (TranslationBlock *)((uintptr_t)tb & ~1)) + +/* prev is a *uintptr_t. It allows us to safely remove tb */ +#define tb_for_each_tagged_safe(head, tb, n, field, prev) \ + for (prev =3D &(head), \ + n =3D *prev & 1, \ + tb =3D (TranslationBlock *)(*prev & ~1); \ + tb; \ + prev =3D &tb->field[n], \ + n =3D (uintptr_t)*prev & 1, \ + tb =3D (TranslationBlock *)(*prev & ~1)) + /* In system mode we want L1_MAP to be based on ram offsets, while in user mode we want it to be based on virtual addresses. */ #if !defined(CONFIG_USER_ONLY) --=20 2.7.4