Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2226136/?format=api
{ "id": 2226136, "url": "http://patchwork.ozlabs.org/api/patches/2226136/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422101043.1234229-7-alex.bennee@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260422101043.1234229-7-alex.bennee@linaro.org>", "list_archive_url": null, "date": "2026-04-22T10:10:17", "name": "[v2,06/31] target/arm: migrate PAC trap syndromes to registerfields", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "01a1277d157d3fd5065fdf45791ca6d9050a6d13", "submitter": { "id": 39532, "url": "http://patchwork.ozlabs.org/api/people/39532/?format=api", "name": "Alex Bennée", "email": "alex.bennee@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260422101043.1234229-7-alex.bennee@linaro.org/mbox/", "series": [ { "id": 500957, "url": "http://patchwork.ozlabs.org/api/series/500957/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500957", "date": "2026-04-22T10:10:11", "name": "target/arm: fully model WFxT instructions for A-profile", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/500957/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2226136/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2226136/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "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=nWQjJM1m;\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 4g0w573Pj9z1yCv\n\tfor <incoming@patchwork.ozlabs.org>; Wed, 22 Apr 2026 20:12:27 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wFUXq-0006sx-Eq; Wed, 22 Apr 2026 06:10:58 -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 <alex.bennee@linaro.org>)\n id 1wFUXl-0006pP-7b\n for qemu-devel@nongnu.org; Wed, 22 Apr 2026 06:10:53 -0400", "from mail-wm1-x330.google.com ([2a00:1450:4864:20::330])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <alex.bennee@linaro.org>)\n id 1wFUXi-0000iu-Vc\n for qemu-devel@nongnu.org; Wed, 22 Apr 2026 06:10:52 -0400", "by mail-wm1-x330.google.com with SMTP id\n 5b1f17b1804b1-4891c00e7aeso30006805e9.2\n for <qemu-devel@nongnu.org>; Wed, 22 Apr 2026 03:10:50 -0700 (PDT)", "from draig.lan ([185.124.0.195]) by smtp.gmail.com with ESMTPSA id\n 5b1f17b1804b1-488fc1393f5sm410399245e9.9.2026.04.22.03.10.45\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Wed, 22 Apr 2026 03:10:48 -0700 (PDT)", "from draig.lan (localhost [IPv6:::1])\n by draig.lan (Postfix) with ESMTP id E2F5F60469;\n Wed, 22 Apr 2026 11:10:43 +0100 (BST)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1776852649; x=1777457449; 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=/O57BXYHK8ET+Z6BA/YHEqhtOr337eupd637bkTh7l0=;\n b=nWQjJM1mTuQcRujdZTNx04U3WFqDDU7rwx+eyXVCIOZIZrqLFZW++o2MV0ZJNZRfU2\n 50uPZzlddAWcq0FphHFFBuE3RlFla7E/LOSRzolnSnbEDbliB3Pjf7YLMm7bggq7vbyR\n mB3sk3bqGx7zBhq/oNsVnPmfuaqJicwNxk9WqeRYoGRnsdn+MYtUypnOw4JDKEFgK7wL\n KkluszeDsqaSBIiFJEIvu6pSmNNWlBMhM4oMRFlNF13UxIAP4gDe+uMwMf/2KomSqiuh\n 8INrqs5UimOj9HpJe2486ZvvRdUu2yiDwoJR2M9w/rRwUHvaM/i+BchapwIhyyYrPB6g\n jc5Q==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776852649; x=1777457449;\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=/O57BXYHK8ET+Z6BA/YHEqhtOr337eupd637bkTh7l0=;\n b=KRQIscjGlrAsl4bQdFeDkcFzlvIzF4W8L7KbyJI3r3LUfTtoUyoFOnyiQ55AcjqsV+\n oLwGgpachBDZlMWHW2avGmxd4BqO8jKGTwqQWqbI9uiZVayTYswS3FyGPRpgIeWM64ff\n koldWSsQoRLHBluTSjx7XH6pqzU2aePttJ7PA0YNjdKy9KyXF38v38ebROjOaLgyXXhl\n OTMakoO6cku1lAbWeV8PTUg/fXeO6bDfYPBpFH3cZodN932TiLs0ml11TUw3R9g6i/Gh\n Bywsic1L3e/F+NNtFkjhzmK/0t5ET7CA27uZ8c3z4TfhLm28FfayAIayNc0M9Sa1KeL8\n 8m5A==", "X-Gm-Message-State": "AOJu0Yw7wchkaqgi5Q5/XFqmmKQ5eOOhRBpjYMiTtLzhXDVaiJxCXc5m\n TrhruvqTBik4jyQD+HXRwFIf8UarKhM1dn3xN/jxaUEDlNoytKysRi+OpbSKiSJAXww=", "X-Gm-Gg": "AeBDiesBFhCcINP0mrY48xcCUN3f6hf2hTAZLwQiSGiujESM4lAx5KSj7RIreYiTz/D\n YHWsChVy6wBNa16BNjU/col0ELadDqGfM51zj1AyB44vYMbQvX3qzttX6OWXcjJZYf6bX5vs3tP\n snBLZ+IYMg4xyIfuTh5/bnWhThRdWRkasGYUdr65Q8ka2VvX1C0rTVLiQgSynSsNSc6eUDTUhu9\n ZUbY4GfEOHl3Iiyi9+0ECjNyutkfm5k0nFQz4RvfKfsW7iAZuaE4ygAxYqHtvoEwI6sSirNzSNn\n QrnnbC6XsYOn7y4YeX92RseWfdcyiT+ATh2mjb+Edm+bZKjaVDBOv/zO5mZyuTh4GS0MeR4axMs\n uGDhVpBwEE3Luj+x90e2haYZIayXeaCBxwelHgb7DBx/sszx9u1RluTqGEMTX3J8pwbD/8PVZ95\n U1m5auhpLb9vVurubB/LlBx3nYeLfFmF7p4Q==", "X-Received": "by 2002:a05:600c:6289:b0:488:f941:aab2 with SMTP id\n 5b1f17b1804b1-488fb78a561mr299841095e9.30.1776852649323;\n Wed, 22 Apr 2026 03:10:49 -0700 (PDT)", "From": "=?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>", "To": "qemu-devel@nongnu.org", "Cc": "Alexander Graf <agraf@csgraf.de>, qemu-arm@nongnu.org,\n Peter Maydell <peter.maydell@linaro.org>,\n Paolo Bonzini <pbonzini@redhat.com>,\n Mohamed Mediouni <mohamed@unpredictable.fr>, kvm@vger.kernel.org,\n Pedro Barbuda <pbarbuda@microsoft.com>,\n =?utf-8?q?Alex_Benn=C3=A9e?= <alex.bennee@linaro.org>,\n Richard Henderson <richard.henderson@linaro.org>", "Subject": "[PATCH v2 06/31] target/arm: migrate PAC trap syndromes to\n registerfields", "Date": "Wed, 22 Apr 2026 11:10:17 +0100", "Message-ID": "<20260422101043.1234229-7-alex.bennee@linaro.org>", "X-Mailer": "git-send-email 2.47.3", "In-Reply-To": "<20260422101043.1234229-1-alex.bennee@linaro.org>", "References": "<20260422101043.1234229-1-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::330;\n envelope-from=alex.bennee@linaro.org; helo=mail-wm1-x330.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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "syn_pactrap is fairly simple as the ISS is all RES0.\n\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\nSigned-off-by: Alex Bennée <alex.bennee@linaro.org>\n---\n target/arm/syndrome.h | 23 ++++++++++++++++++++---\n 1 file changed, 20 insertions(+), 3 deletions(-)", "diff": "diff --git a/target/arm/syndrome.h b/target/arm/syndrome.h\nindex 61053475984..fd8639d4f07 100644\n--- a/target/arm/syndrome.h\n+++ b/target/arm/syndrome.h\n@@ -398,15 +398,32 @@ static inline uint32_t syn_smetrap(SMEExceptionType etype, bool is_16bit)\n return res;\n }\n \n+/*\n+ * ISS encoding for a PAC Fail exceptions\n+ */\n+FIELD(PACFAIL_ISS, BnA, 0, 1) /* B key or A key */\n+FIELD(PACFAIL_ISS, DnI, 1, 1) /* Data or Instruction */\n+\n static inline uint32_t syn_pacfail(bool data, int keynumber)\n {\n- int error_code = (data << 1) | keynumber;\n- return (EC_PACFAIL << ARM_EL_EC_SHIFT) | ARM_EL_IL | error_code;\n+ uint32_t res = syn_set_ec(0, EC_PACFAIL);\n+ res = FIELD_DP32(res, SYNDROME, IL, 1);\n+\n+ res = FIELD_DP32(res, PACFAIL_ISS, DnI, data);\n+ res = FIELD_DP32(res, PACFAIL_ISS, BnA, keynumber);\n+\n+ return res;\n }\n \n+/*\n+ * ISS encoding for an exception from a trapped Pointer\n+ * Authentication instruction is RES0\n+ */\n static inline uint32_t syn_pactrap(void)\n {\n- return (EC_PACTRAP << ARM_EL_EC_SHIFT) | ARM_EL_IL;\n+ uint32_t res = syn_set_ec(0, EC_PACTRAP);\n+ res = FIELD_DP32(res, SYNDROME, IL, 1);\n+ return res;\n }\n \n static inline uint32_t syn_btitrap(int btype)\n", "prefixes": [ "v2", "06/31" ] }