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GET /api/patches/2227693/?format=api
{ "id": 2227693, "url": "http://patchwork.ozlabs.org/api/patches/2227693/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260424043014.46305-14-richard.henderson@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": "<20260424043014.46305-14-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2026-04-24T04:29:47", "name": "[v2,13/40] target/arm: Trap direct acceses to FPMR", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "6034a607a0323c0609ffa5f49709afb21e3c6af4", "submitter": { "id": 72104, "url": "http://patchwork.ozlabs.org/api/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260424043014.46305-14-richard.henderson@linaro.org/mbox/", "series": [ { "id": 501300, "url": "http://patchwork.ozlabs.org/api/series/501300/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501300", "date": "2026-04-24T04:29:37", "name": "target/arm: Implement FEAT_FP8", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/501300/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2227693/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2227693/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=aZPv0wcW;\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 4g20Wg4hW7z1yJF\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 24 Apr 2026 14:35:43 +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 1wG8Cm-0008A0-IH; Fri, 24 Apr 2026 00:31:52 -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 <richard.henderson@linaro.org>)\n id 1wG8CJ-00072c-06\n for qemu-devel@nongnu.org; Fri, 24 Apr 2026 00:31:30 -0400", "from mail-oi1-x235.google.com ([2607:f8b0:4864:20::235])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <richard.henderson@linaro.org>)\n id 1wG8CH-0002pB-3d\n for qemu-devel@nongnu.org; Fri, 24 Apr 2026 00:31:22 -0400", "by mail-oi1-x235.google.com with SMTP id\n 5614622812f47-4670676ba03so2222130b6e.1\n for <qemu-devel@nongnu.org>; Thu, 23 Apr 2026 21:31:20 -0700 (PDT)", "from stoup.. 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helo=mail-oi1-x235.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=unavailable 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": "Signed-off-by: Richard Henderson <richard.henderson@linaro.org>\n---\n target/arm/tcg/translate-a64.c | 4 ++++\n 1 file changed, 4 insertions(+)", "diff": "diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c\nindex ef6038e98b..d132e051ca 100644\n--- a/target/arm/tcg/translate-a64.c\n+++ b/target/arm/tcg/translate-a64.c\n@@ -2898,6 +2898,10 @@ static void handle_sys(DisasContext *s, bool isread,\n }\n \n if (!skip_fp_access_checks) {\n+ if ((ri->type & ARM_CP_FPMR) && s->fpmr_el != 0) {\n+ gen_exception_insn_el(s, 0, EXCP_UDEF, syndrome, s->fpmr_el);\n+ return;\n+ }\n if ((ri->type & ARM_CP_FPU) && !fp_access_check_only(s)) {\n return;\n } else if ((ri->type & ARM_CP_SVE) && !sve_access_check(s)) {\n", "prefixes": [ "v2", "13/40" ] }