{"id":2226451,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2226451/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422125250.1303100-8-alex.bennee@linaro.org/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260422125250.1303100-8-alex.bennee@linaro.org>","date":"2026-04-22T12:52:24","name":"[v3,07/32] target/arm: migrate BTI trap syndromes to registerfields","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"5b9671f7e63f41b6d485d36ee1a3dc313e08bb65","submitter":{"id":39532,"url":"http://patchwork.ozlabs.org/api/1.1/people/39532/?format=json","name":"Alex Bennée","email":"alex.bennee@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422125250.1303100-8-alex.bennee@linaro.org/mbox/","series":[{"id":501008,"url":"http://patchwork.ozlabs.org/api/1.1/series/501008/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501008","date":"2026-04-22T12:52:20","name":"target/arm: fully model WFxT instructions for A-profile","version":3,"mbox":"http://patchwork.ozlabs.org/series/501008/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2226451/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2226451/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=OJEzjJK0;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g0zgc4Wbmz1yD5\n\tfor ; Wed, 22 Apr 2026 22:54:04 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wFX4k-00060F-1w; Wed, 22 Apr 2026 08:53:06 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1wFX4i-0005yp-G7\n for qemu-devel@nongnu.org; Wed, 22 Apr 2026 08:53:04 -0400","from mail-wm1-x32f.google.com ([2a00:1450:4864:20::32f])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from )\n id 1wFX4f-0005U9-Ut\n for qemu-devel@nongnu.org; Wed, 22 Apr 2026 08:53:04 -0400","by mail-wm1-x32f.google.com with SMTP id\n 5b1f17b1804b1-488b0046078so49335995e9.1\n for ; Wed, 22 Apr 2026 05:53:00 -0700 (PDT)","from draig.lan ([185.124.0.195]) by smtp.gmail.com with ESMTPSA id\n 5b1f17b1804b1-48a5aa3ae83sm83315365e9.12.2026.04.22.05.52.53\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Wed, 22 Apr 2026 05:52:55 -0700 (PDT)","from draig.lan (localhost [IPv6:::1])\n by draig.lan (Postfix) with ESMTP id 7F987608C6;\n Wed, 22 Apr 2026 13:52:51 +0100 (BST)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1776862380; x=1777467180; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=EAtQqYAVHVvhu80r9xI/PSbLS4M6sLMvc1JPbP3qMzs=;\n b=OJEzjJK0nuK82qlMmGRpA4OlWGyh+T7K+WoRlW2a+ZB4s9NLWvXzbTPzby2ltG3dwZ\n fHu/j/7i05Ae84wCz6qDIDbfLyAvn8q3tkzWHYmtySl6zoiFk+j/6jXBGtwh/sefleFb\n s3yk4QTPR9JnjYgdkFU+DuxDEOwNT84jTs47i+2i4+ytBDMTyye6f9Np4ZckWFxJlvVN\n 1vpLvSrW+FAZyvoZJeU6OIyJ+qHhihC+7YI5wq2z2Vo1QC33ST2e+/TBrXlcUrXyStHg\n A1uRm25nhS65TUMwZ5E1254H7rtJI1wRzChCuxv/SfABs2NertYTqMP4Ib5I6sNpb0AN\n rdWw==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776862380; x=1777467180;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=EAtQqYAVHVvhu80r9xI/PSbLS4M6sLMvc1JPbP3qMzs=;\n b=aYaekNA5vHg7P5M8hLKy73xaQK6hLHPBfvDNHpgfHMWPr94+5Bmj1rxcqv+fItzile\n e3W7xYlE63q50tXHtB/r6lIaty56x0fAeRT5pIMS+iw8Piu/WaUBaNgcs7kptqhXgDVB\n gkY8+B6m2XBpGk60AqlX723EPn/hqhZX+5k/fkwR1/vcS0zK8hHD63RFkZxOcpmX3/yq\n 91BXaQU5NGs5iV7YRTI5VXYcIgqum3SbP7BQIBjfAjJcxBRREUmwwnja6bxiRDY6cas6\n Uey3hV+f7NVHriapmmkCNzYC9nFBE8w/3SImqc04GqKB0NQ3aT8c/fiZepP/b02Ns3bg\n y5xA==","X-Gm-Message-State":"AOJu0YzXGNLa4efnupxjrZe5ruBfecuRGvyP9PV3OIF3EFN3V06zqtZ2\n F9XwLkwKfNuYjAwgnbvrzyaEou+MoZeo7f68O+sFerelT3dVFbF161NkA2FHHKdI5J0=","X-Gm-Gg":"AeBDievXDnuGILN0iQ4VtffLbXBKyn3C04dBRdaMmDob8shjjm26O2+FRYOLaG0Zkdf\n YkvBFmQsFdLWY9TaTd8nY7/n4dwA38TEKCSHdwyM8vqp0tNLYCAvY4kIgFMBPfIJcaS3Dvjcz7W\n 4xMk25szG5EbmQbL0CHa4MBjuV8YfVqBoqWVPCdFhPqCtFQLhccjs+UOdTm3tr61d7GLr9ze7XS\n eZVlmnQEXNcCnX72wC09d4uu1oaXUTkW6fIAApR81YZeD2aGga3pdxQH91iLtXi69qatV34U0Mf\n UbNxJaCejzbrzkws4PRyIOMObx5UpEGUWjCULLDTNJoUHD+0htb5oxXcIRofpQI7fHfjv5drmgR\n ZE+ZUraWsR0O73Jv/flEJH666DOv49vz75V1dCSZ4aFR+kHI2Agbhkk23aAW4voV7VNDxuuR6uR\n EV1soPlc/UGn57CcQroddPOKjcZwxyo+V75g==","X-Received":"by 2002:a05:600c:19c8:b0:48a:554d:b9a2 with SMTP id\n 5b1f17b1804b1-48a554dba51mr117525785e9.6.1776862379611;\n Wed, 22 Apr 2026 05:52:59 -0700 (PDT)","From":"=?utf-8?q?Alex_Benn=C3=A9e?= ","To":"qemu-devel@nongnu.org","Cc":"Pedro Barbuda , Alexander Graf ,\n Peter Maydell ,\n Paolo Bonzini ,\n Mohamed Mediouni , kvm@vger.kernel.org,\n qemu-arm@nongnu.org, =?utf-8?q?Alex_Benn=C3=A9e?= ,\n Richard Henderson ","Subject":"[PATCH v3 07/32] target/arm: migrate BTI trap syndromes to\n registerfields","Date":"Wed, 22 Apr 2026 13:52:24 +0100","Message-ID":"<20260422125250.1303100-8-alex.bennee@linaro.org>","X-Mailer":"git-send-email 2.47.3","In-Reply-To":"<20260422125250.1303100-1-alex.bennee@linaro.org>","References":"<20260422125250.1303100-1-alex.bennee@linaro.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2a00:1450:4864:20::32f;\n envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x32f.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 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":"qemu development ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Reviewed-by: Richard Henderson \nSigned-off-by: Alex Bennée \n---\n target/arm/syndrome.h | 11 ++++++++++-\n 1 file changed, 10 insertions(+), 1 deletion(-)","diff":"diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h\nindex fd8639d4f07..52a6745cb23 100644\n--- a/target/arm/syndrome.h\n+++ b/target/arm/syndrome.h\n@@ -426,9 +426,18 @@ static inline uint32_t syn_pactrap(void)\n return res;\n }\n \n+/*\n+ * ISS encoding for an exception from a Branch Target Identification\n+ * instruction.\n+ */\n+FIELD(BTI_ISS, BTYPE, 0, 2)\n+\n static inline uint32_t syn_btitrap(int btype)\n {\n- return (EC_BTITRAP << ARM_EL_EC_SHIFT) | ARM_EL_IL | btype;\n+ uint32_t res = syn_set_ec(0, EC_BTITRAP);\n+ res = FIELD_DP32(res, SYNDROME, IL, 1);\n+ res = FIELD_DP32(res, BTI_ISS, BTYPE, btype);\n+ return res;\n }\n \n static inline uint32_t syn_bxjtrap(int cv, int cond, int rm)\n","prefixes":["v3","07/32"]}