{"id":2225740,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2225740/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421-jmac-feat_rme_gdi-v3-3-ecd20c77eae1@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":"<20260421-jmac-feat_rme_gdi-v3-3-ecd20c77eae1@linaro.org>","date":"2026-04-21T14:22:36","name":"[v3,3/4] target/arm/ptw.c: Add GDI spaces to the granule protection case","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"219e41083380ab6b28283d3676f2ced2ab61c629","submitter":{"id":92076,"url":"http://patchwork.ozlabs.org/api/1.1/people/92076/?format=json","name":"Jim MacArthur","email":"jim.macarthur@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260421-jmac-feat_rme_gdi-v3-3-ecd20c77eae1@linaro.org/mbox/","series":[{"id":500818,"url":"http://patchwork.ozlabs.org/api/1.1/series/500818/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=500818","date":"2026-04-21T14:22:37","name":"FEAT_RME_GDI initial work","version":3,"mbox":"http://patchwork.ozlabs.org/series/500818/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2225740/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2225740/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=dmP1FJQp;\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 4g0Pjs3kM0z1yGs\n\tfor ; Wed, 22 Apr 2026 00:24:01 +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 1wFBzz-0006DL-2c; Tue, 21 Apr 2026 10:22:47 -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 1wFBzv-0006Al-V9\n for qemu-devel@nongnu.org; Tue, 21 Apr 2026 10:22:43 -0400","from mail-wm1-x32a.google.com ([2a00:1450:4864:20::32a])\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 1wFBzt-0007Om-Fq\n for qemu-devel@nongnu.org; Tue, 21 Apr 2026 10:22:43 -0400","by mail-wm1-x32a.google.com with SMTP id\n 5b1f17b1804b1-48896199cbaso44407185e9.1\n for ; Tue, 21 Apr 2026 07:22:40 -0700 (PDT)","from [127.0.1.1] ([2a10:d582:31e:0:5364:f814:f749:9bf5])\n by smtp.gmail.com with ESMTPSA id\n 5b1f17b1804b1-4891cca5743sm164250465e9.9.2026.04.21.07.22.39\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Tue, 21 Apr 2026 07:22:39 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1776781360; x=1777386160; darn=nongnu.org;\n h=cc:to:in-reply-to:references:message-id:content-transfer-encoding\n :mime-version:subject:date:from:from:to:cc:subject:date:message-id\n :reply-to; bh=dQM2HEP97233tEtaNH4+9B/jRgcZaPr8e0DRwAenRrQ=;\n b=dmP1FJQp+l4xcx5/Edhm1gXzc6PeAzeP+Atg8b1MyHkSz1CcF569HSoL+4ip/qzfMw\n e7PcmE5/ZgPAqHGtHHBvttaDC5SnjOxCf2ZwyZHhhcKda39T9eyu/uqyl0ppD+1Ak1iw\n A5ELt2gfXWK6zRaRNrcF4KYXyLXtpHwRW/ZRUzWAVj9B1uvwdosE0c0RvbkTjOmqAWuo\n mU0GFqSxBjcUKR8/GTRmO6fZUDqi/cUizR2NEu8OyCPzOvDBFeQD7h6PwcQGwosRLdee\n jXErvJu2C+PsN7Pfhex46ngvJYPA+8uXdxec5NxJXO1tEoWmTjwMyhv9YLGYjr5H+DmJ\n ZwZA==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1776781360; x=1777386160;\n h=cc:to:in-reply-to:references:message-id:content-transfer-encoding\n :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to\n :cc:subject:date:message-id:reply-to;\n bh=dQM2HEP97233tEtaNH4+9B/jRgcZaPr8e0DRwAenRrQ=;\n b=eN2bs4fXLElVA9UqWq7zyG2X9rV6z505ok41kw2z6JCGFZ7E7KMG0XWe9tj032XehP\n PiMO9Ys6PyRXyAn9nbtDCIdn0o40zzgzsDIm+1+CCd/st8l98SgvxcO16mtDq/ivB37h\n DAMljsSwFsJzi9jK8Ibw7vPlrRdHifMM6YQovXmtX0f7dOeNljexfFJm/qOGZ0NEA1in\n 8bOzD6sZeGDTFhtdfpUGchrtlloe/bXpYr0n7LgDZSSnUv07d+1SotWKo/iatuXN+isd\n Xb+4KDgw36gPxl1rJpaDtsT8jINsY4Ix81dalRNsUW2bfYl6kRpgDc1vS+bxuNVfj6ba\n zAeA==","X-Gm-Message-State":"AOJu0YxImDCaUnf3fptDEHn3zJTg+oVegDWNp8hNAAWtnLH9lIyb1/cW\n VGiqwt5MNwiKrWWU6PuF3YyrQACi0wYWBtNB6FWCPcy2HQjCNgIlSBiVYGYDArsZvXzZmySTJAI\n FkW4V","X-Gm-Gg":"AeBDiev7iYLZ21wIcFnrweG6qzlAmIl0CKxAehjGbOp47TCwzXfAcimvjTrTxrBKmMH\n afKpiLw8qD+MeN+AeBYaEC/cZwSIJQRH7xMa38QzZUPLFZm2iuHN6RARE2pM1w9A0NHu+y45Vi9\n qcTY1f89PlGMQVfrF+Z1ebDlU5qQeFEo97EepV056vFK6g6SVHodYCL6vlgnmIDjdd51IXdD06p\n WX+9StawGmOFHwtIq07Q53HVqqIgqJ91yE1SFUk3UeXSGuZPC3I5cqjY/8pb8DNp9a68R6KUxLG\n eOvIXvFOpBReDQ+RYx+4xJgWyoQsW+CFEND6YiDkoY8jdRTdfnaIqYP/nPyndvXZbspwNia+oc6\n DF3VeJyzAmTUJ18syZYGHqFnFnJmhUkScA7BfgRM5LtFkMFlmzyn2+5Mmyefuqspm+THxsPTKpP\n /o+p8XS0m/4mFctyh4SXxg8ZBaYcdps6zbs0hhtg==","X-Received":"by 2002:a05:600c:c090:b0:488:9e54:94c0 with SMTP id\n 5b1f17b1804b1-488fb74e130mr189084085e9.8.1776781359688;\n Tue, 21 Apr 2026 07:22:39 -0700 (PDT)","From":"Jim MacArthur ","Date":"Tue, 21 Apr 2026 15:22:36 +0100","Subject":"[PATCH v3 3/4] target/arm/ptw.c: Add GDI spaces to the granule\n protection case","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"7bit","Message-Id":"<20260421-jmac-feat_rme_gdi-v3-3-ecd20c77eae1@linaro.org>","References":"<20260421-jmac-feat_rme_gdi-v3-0-ecd20c77eae1@linaro.org>","In-Reply-To":"<20260421-jmac-feat_rme_gdi-v3-0-ecd20c77eae1@linaro.org>","To":"qemu-devel@nongnu.org","Cc":"Peter Maydell ,\n Richard Henderson , qemu-arm@nongnu.org,\n Jim MacArthur ","X-Mailer":"b4 0.13.0","Received-SPF":"pass client-ip=2a00:1450:4864:20::32a;\n envelope-from=jim.macarthur@linaro.org; helo=mail-wm1-x32a.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":"System Agent, Non-secure Protected and two other GPI field encodings.\n\nThese are explicitly denied access for any processing element when\nthe relevant GPCCR bit is set, and reserved values when the relevant\nGPCCR bit is zero.\n\nReviewed-by: Richard Henderson \nSigned-off-by: Jim MacArthur \n---\n target/arm/ptw.c | 20 ++++++++++++++++++++\n 1 file changed, 20 insertions(+)","diff":"diff --git a/target/arm/ptw.c b/target/arm/ptw.c\nindex 7b993bb5b3..316e201cfe 100644\n--- a/target/arm/ptw.c\n+++ b/target/arm/ptw.c\n@@ -510,6 +510,26 @@ bool arm_granule_protection_check(ARMGranuleProtectionConfig config,\n break;\n case 0b1111: /* all access */\n return true;\n+ case 0b0100: /* system agent only */\n+ if (FIELD_EX64(gpccr, GPCCR, SA) == 0) {\n+ goto fault_walk;\n+ }\n+ break;\n+ case 0b0101: /* non-secure protected */\n+ if (FIELD_EX64(gpccr, GPCCR, NSP) == 0) {\n+ goto fault_walk;\n+ }\n+ break;\n+ case 0b0110: /* reserved if NA6==0, otherwise no access */\n+ if (FIELD_EX64(gpccr, GPCCR, NA6) == 0) {\n+ goto fault_walk;\n+ }\n+ break;\n+ case 0b0111: /* reserved if NA7==0, otherwise no access */\n+ if (FIELD_EX64(gpccr, GPCCR, NA7) == 0) {\n+ goto fault_walk;\n+ }\n+ break;\n case 0b1000: /* secure */\n if (!config.support_sel2) {\n goto fault_walk;\n","prefixes":["v3","3/4"]}