{"id":2223892,"url":"http://patchwork.ozlabs.org/api/covers/2223892/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260416-jmac-feat_rme_gdi-v1-0-d9fa0781ed58@linaro.org/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/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":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260416-jmac-feat_rme_gdi-v1-0-d9fa0781ed58@linaro.org>","list_archive_url":null,"date":"2026-04-16T11:12:37","name":"[0/3] FEAT_RME_GDI initial work","submitter":{"id":92076,"url":"http://patchwork.ozlabs.org/api/people/92076/?format=json","name":"Jim MacArthur","email":"jim.macarthur@linaro.org"},"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/cover/20260416-jmac-feat_rme_gdi-v1-0-d9fa0781ed58@linaro.org/mbox/","series":[{"id":500135,"url":"http://patchwork.ozlabs.org/api/series/500135/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500135","date":"2026-04-16T11:12:38","name":"FEAT_RME_GDI initial work","version":1,"mbox":"http://patchwork.ozlabs.org/series/500135/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/covers/2223892/comments/","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=JciiVvc8;\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 4fxFkt63pWz1yCv\n\tfor ; Thu, 16 Apr 2026 21:13:58 +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 1wDKeX-0005ox-7h; Thu, 16 Apr 2026 07:12:57 -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 1wDKeV-0005oc-ON\n for qemu-devel@nongnu.org; Thu, 16 Apr 2026 07:12:55 -0400","from mail-wr1-x431.google.com ([2a00:1450:4864:20::431])\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 1wDKeU-0004Bm-6S\n for qemu-devel@nongnu.org; Thu, 16 Apr 2026 07:12:55 -0400","by mail-wr1-x431.google.com with SMTP id\n ffacd0b85a97d-43d7650202fso3540798f8f.2\n for ; Thu, 16 Apr 2026 04:12:53 -0700 (PDT)","from [127.0.1.1] ([2a10:d582:31e:0:8f74:d82:f9ec:90cd])\n by smtp.gmail.com with ESMTPSA id\n ffacd0b85a97d-43ead2decafsm11513078f8f.0.2026.04.16.04.12.51\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Thu, 16 Apr 2026 04:12:51 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1776337972; x=1776942772; darn=nongnu.org;\n h=cc:to:content-transfer-encoding:mime-version:message-id:date\n :subject:from:from:to:cc:subject:date:message-id:reply-to;\n bh=VN+jDUrX4GWZ+biVA/W5Cql4Uc3y2Sb/xOJTXeGdJ6Q=;\n b=JciiVvc88SmcNUjMVEUL1deno5IFTlj57VgJ1rG2ad82XVadLczdd1kEC5C+35fU55\n gzzzYe5fg8y6RsE2hkBS2KWzzS5eGssQo4wu/YiDZsa7YuuzA8xpzyj5v6Er1Y1ZbpZT\n Lkdz4clwyyQ+omIHYmac2B4KdruRIc3Lw1ImYdQpXy9SpumyWBaz/ajw+Mf8w8hbDWoR\n T6nX3oF7F7hcFEaDNX1bQbqBZQZBDVlZtOBRGyjEHoya99gRPc+HUoYPo+498iJLq1pK\n +B9KZ52sBjoGfWgPZagETLToTA8WaRYuej4R3az+BVwZKSdkrdGtE8u3Xd+YHn81GiOb\n wuCQ==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776337972; x=1776942772;\n h=cc:to:content-transfer-encoding:mime-version:message-id:date\n :subject:from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date\n :message-id:reply-to;\n bh=VN+jDUrX4GWZ+biVA/W5Cql4Uc3y2Sb/xOJTXeGdJ6Q=;\n b=QjWFE1irjwVtJQU8VL7AigN4RqMq9rFyLJVvrjazl70TQs+O2NvQvKytGxsvUyvbsR\n xhBJEP8V0EzWv5EFbhnsGNqQ0xLipHcLpX6hOIAs5PWAmaH74tLVIzharaBAnZtCl4Qc\n EOhtgKOXtqT9oQvmr1rZnRCPWa9NgNe5kPnq9BAhu6szGmj8wDupooYqiYZRTjJbbem8\n /axxgEQMrAJewqvg5d2KCmEu6wtFpQfudxW+HHLw78vl+F0k0iLxM7SlfsW1CCM05qCY\n 6oBiNavHXUWlQ6nIEAMgUbJ7aFuF6FBJHLZakhen5eMbeAzz9ckPXbNXnV0Z40dKq1YR\n oPNQ==","X-Gm-Message-State":"AOJu0YyEj1Saxu5D9qijjQXEM+FDjLbKpx9Ot+dTsQdcE75Q89IBV9Zd\n ujhLgzibTx8Gd0Vn4pzalLbKaSkfPQDCIUn2gSfq0UB76XJAENWRKY+fi4tLwSgZd6w=","X-Gm-Gg":"AeBDiev1muZlTVK4UlYLlUuTy4ODXlG5iuh03SElmNL8DMY+tnxbJZNu6GNxAw68EIR\n Np0IqvoHAIJgR3Ti0bL4HscwBth8uv9rvULtfp72qbcly5ZutXCoYojMjvQbNUvmNIeteJDNwiN\n PWm8RA446LDuTOURI0EujOsfdoVx7sfELn0jVNiy+HJJ29PcKuL1M9UqKUzxUBUs4n3QdrsQvBu\n uWioHpEXzFUhXYKNHqyyfAJMW/skmwkjGg3hdEmFSYhcIauLTedDWu6R073h3quqFQd2iI2Ty4j\n W+5ZxbSvVUXO5W5NyCh2AkZs3EhMQTVD+6pFeNlwUxjoWHqLKdgDHnMcNnGiyGh1nfkA8TNjY5R\n JoXV5INKTiQFaexT8MM9e4aAH09uqg00TdydsLemCoPQn7zeDxiOYNwuygM/9dBfc/msuh0SEeB\n MSeK5xzqDXov5b6o7JiCshyjlwREFjG8LFTcYy","X-Received":"by 2002:a05:6000:1ac5:b0:439:b60a:b400 with SMTP id\n ffacd0b85a97d-43d642c8697mr38566918f8f.31.1776337972224;\n Thu, 16 Apr 2026 04:12:52 -0700 (PDT)","From":"Jim MacArthur ","Subject":"[PATCH 0/3] FEAT_RME_GDI initial work","Date":"Thu, 16 Apr 2026 12:12:37 +0100","Message-Id":"<20260416-jmac-feat_rme_gdi-v1-0-d9fa0781ed58@linaro.org>","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","X-B4-Tracking":"v=1; b=H4sIACXE4GkC/x3MTQqAIBBA4avIrBNUQqGrRIg4Y03QDxoRSHdPW\n n6L9yoUykwFBlEh082Fj71BdwLiEvaZJGMzGGWs6rWV6xaiTBQunzfyM7J0Oho0iNY5Ba07MyV\n +/uc4ve8HVstyyWMAAAA=","To":"qemu-devel@nongnu.org","Cc":"Peter Maydell , qemu-arm@nongnu.org,\n Jim MacArthur ","X-Mailer":"b4 0.13.0","Received-SPF":"pass client-ip=2a00:1450:4864:20::431;\n envelope-from=jim.macarthur@linaro.org; helo=mail-wr1-x431.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":"Adds FEAT_RME_GDI, some extra cases to arm_granule_protection_check,\nand a very basic TCG test to check the prerequisites of FEAT_RME_GDI:\nFEAT_RME and FEAT_RME_GPC2.\n\nFEAT_RME_GDI is not enabled yet as no functional support has been\nadded; it can easily be enabled in cpu_arm_set_rme in future.\n\nIn the future we should correctly set bits in the fault address\nregisters such as PFAR_EL2, but I don't see any apparent support for\nthese in the existing GPT mechanism. Testing this also gets tricky as\nI think this would have to be done from EL3 (e.g. by modifying\ntest_rme_virt.py)\n\nSigned-off-by: Jim MacArthur \n---\nJim MacArthur (3):\n target/arm/cpu-features.c: Add RMEGDI to AA64MMFR4\n target/arm/ptw.c: Add two new spaces to the granule protection case\n tests/tcg/aarch64/system/rme_gdi.c: Very basic test of GDI\n\n target/arm/cpu-features.h | 1 +\n target/arm/ptw.c | 5 ++++\n tests/tcg/aarch64/system/rme_gdi.c | 56 ++++++++++++++++++++++++++++++++++++++\n 3 files changed, 62 insertions(+)\n---\nbase-commit: da6c4fe60fee30dd77267764d55b38af9cb89d4b\nchange-id: 20260416-jmac-feat_rme_gdi-71c2d2dd6770\n\nBest regards,"}