{"id":2221069,"url":"http://patchwork.ozlabs.org/api/1.0/patches/2221069/?format=json","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.0/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":"<20260408041953.1899532-18-brian.cain@oss.qualcomm.com>","date":"2026-04-08T04:19:42","name":"[v4,17/28] target/hexagon: extend hexagon_cpu_mmu_index() for sysemu","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"e03a80119aa2471ccbe034533493e2b6cdb1ed74","submitter":{"id":89839,"url":"http://patchwork.ozlabs.org/api/1.0/people/89839/?format=json","name":"Brian Cain","email":"brian.cain@oss.qualcomm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260408041953.1899532-18-brian.cain@oss.qualcomm.com/mbox/","series":[{"id":499179,"url":"http://patchwork.ozlabs.org/api/1.0/series/499179/?format=json","date":"2026-04-08T04:19:31","name":"Hexagon system emulation - Part 2/3","version":4,"mbox":"http://patchwork.ozlabs.org/series/499179/mbox/"}],"check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2221069/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=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=cmyG9EJW;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=HadKBqRD;\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=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (unknown [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 4frX680Bctz1yD3\n\tfor ; Thu, 09 Apr 2026 04:44:16 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wAXsf-0000vV-9V; Wed, 08 Apr 2026 14:44:05 -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 1wAXsW-0000LI-3Y\n for qemu-devel@nongnu.org; Wed, 08 Apr 2026 14:43:52 -0400","from mx0b-0031df01.pphosted.com ([205.220.180.131])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from )\n id 1wAKP2-0005bA-NA\n for qemu-devel@nongnu.org; Wed, 08 Apr 2026 00:20:35 -0400","from pps.filterd (m0279872.ppops.net [127.0.0.1])\n by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id\n 637M3Jsl1619682\n for ; Wed, 8 Apr 2026 04:20:26 GMT","from mail-dl1-f72.google.com (mail-dl1-f72.google.com\n [74.125.82.72])\n by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4ddacrgxj6-1\n (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT)\n for ; Wed, 08 Apr 2026 04:20:26 +0000 (GMT)","by mail-dl1-f72.google.com with SMTP id\n a92af1059eb24-12bf9974587so27824703c88.0\n for ; Tue, 07 Apr 2026 21:20:26 -0700 (PDT)","from hu-bcain-lv.qualcomm.com (Global_NAT1.qualcomm.com.\n [129.46.96.20]) by smtp.gmail.com with ESMTPSA id\n a92af1059eb24-12c14a371b1sm6480362c88.13.2026.04.07.21.20.24\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Tue, 07 Apr 2026 21:20:24 -0700 (PDT)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h=\n cc:content-transfer-encoding:content-type:date:from:in-reply-to\n :message-id:mime-version:references:subject:to; s=qcppdkim1; bh=\n KmLI/i8A+mCi29CsGc0G0ndA/gMGjKWNIKX8zxNuABc=; b=cmyG9EJWGlaOI7CH\n Dz36wM5wR4QaU4E9ex5M1aWvGEyJ/o1QCgsgcKbpIM/uuSdKWJnF1FLQRt+fBY/2\n EdB12L1+EOmUn8KqFahAHwliGtQlEkoKE3WChGgi0DlWgeJo7uirshwVihg2bCSu\n irX7A6UAi7auaLZegbjPeUy9+p7bi6buy44pLUvz4qj6h+7n7empYbmWSgNw9MeL\n x5xEZTQphf85zP+DIuGyI2ZBFBMeovrKuZGUADlRxTEnfHzvbJFa1qCAjWneaME3\n iPBMG1B4VHvoUr6f3+snRrF/msFSOeww4kz7d2zwAUlR5263js83fLXivLpahVvD\n gbQsPg==","v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=oss.qualcomm.com; s=google; t=1775622026; x=1776226826; 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=KmLI/i8A+mCi29CsGc0G0ndA/gMGjKWNIKX8zxNuABc=;\n b=HadKBqRDzyPmEVdUif6JVNRcMA0aFDTCDNuhzayaEqOM/MiTsSHVGE3sJEMBcMgpIx\n p2HW83Cyrxbf2fu02fpuwvIUXZqi5LnCObukTVw9KfrXO9dtJgXjKaDKCd5s71TnBRbD\n WZEU4bpPxorPilpBh0JQojL6sYBNil3LRyUjyj/rQ56viWY2RCChvTz+VRUdwHuXq5zD\n dRqHO8RjDTSJQ1GDFxXUrk++p0i+EOOSPZtY6vYRTkLOAXJiWfQcAihL5lRcGuJJ2E9I\n XzU0RqFmF+Gd6nTsf0VlYxFGdR5dIFZFvb20p8PBPPrbXZETtZHlndzOVdXIxeqI8fZk\n YQNQ=="],"X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1775622026; x=1776226826;\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=KmLI/i8A+mCi29CsGc0G0ndA/gMGjKWNIKX8zxNuABc=;\n b=Xzuul+MC945DxHyhb4rY2YY4c6wTHeAD5U10j5ina/mIQKZr+rKP/mEWymvWWuTAzZ\n JcJt36fsCk7VTfWCzJVBf+mHPs6Mi2lE8EcDJld+PBavvRhAQKfGFPjrd58rvSXmInip\n 2NRd3Lp3QhYs2kJdeTaxoqXP3CWQ1irQ9knt0jNsSuE4OtOXfpw521hRDDSSBWPZIU1X\n HJF7LPVuMtB7fRYPPeIlQyhM01WVpDCWlzVW92kMXH5KaB6lLwsSsFlUuHz90v4jfQ7w\n HwWcolYqh9A1yaX6ANJfc0+AAv7QMu4+HDETqrcx4NZgTl6Z84XNJPjfNhnw1186oWGq\n 9edg==","X-Gm-Message-State":"AOJu0YyXlm7CWAiSaNsdKdgpqa7MMRegPBZiKT8x1HoALfQoTg2VToq0\n 6wGpWvsy6B8HHfoncqqF4WVrjiWdYz4QhdWBOPGd49lnWrhhAn6dEjokM5S5fTZw/4ZKwD6dn32\n TAq7+S50gVRbTv5PcseLMJXB++pwH6Rjua6+ZfP/xsyjZ/oUHwAotrAGkXCW7g4w7AQ==","X-Gm-Gg":"AeBDiev/1i9i+bjPrr5ElPPYLsBZQy6PivLuasNOt8Vl8sY7t/PQDvVXjuelgDYZ7+P\n LcCSJV1CPNYPQAkkQdqShz9zFv8wejxs3RjZmAT7BzBI+WDdZTMMlfBB/skjkBXLoRU6TA41WVN\n 2JQEXvhTOc4NrHujEol+PUjvi4HVVIMdnJ01LaYh4CjNo+luhRsnS621cBy+sQLDICQKXQnwFIJ\n SIhigNGZEc6tWZLAjU5eYRmUmTU1DAo0rSR6yvxUfVwXHhQe6z4Tdlz9LRaN6deNDNwcRuRnRj4\n UCnVvSbYqzWXR6bqhcARy0HMWELv1HmsRTgA/JagINVz+jCVCtErgHS///7/sLaaocvYXZN33eV\n Brwtr//u4Rnekb2LT8wt6AwGBa33EPrKF59otgn1ICvAkcy5BFVIxc5GqdR9MTs2OyCCbEw==","X-Received":["by 2002:a05:7022:6713:b0:128:ca6f:adf0 with SMTP id\n a92af1059eb24-12bfb74c93fmr11349249c88.17.1775622025607;\n Tue, 07 Apr 2026 21:20:25 -0700 (PDT)","by 2002:a05:7022:6713:b0:128:ca6f:adf0 with SMTP id\n a92af1059eb24-12bfb74c93fmr11349225c88.17.1775622024933;\n Tue, 07 Apr 2026 21:20:24 -0700 (PDT)"],"From":"Brian Cain ","To":"qemu-devel@nongnu.org","Cc":"brian.cain@oss.qualcomm.com, philmd@linaro.org, ltaylorsimpson@gmail.com,\n matheus.bernardino@oss.qualcomm.com, marco.liebel@oss.qualcomm.com,\n quic_mburton@quicinc.com, sid.manning@oss.qualcomm.com, ale@rev.ng,\n anjo@rev.ng, Brian Cain ","Subject":"[PATCH v4 17/28] target/hexagon: extend hexagon_cpu_mmu_index() for\n sysemu","Date":"Tue, 7 Apr 2026 21:19:42 -0700","Message-Id":"<20260408041953.1899532-18-brian.cain@oss.qualcomm.com>","X-Mailer":"git-send-email 2.34.1","In-Reply-To":"<20260408041953.1899532-1-brian.cain@oss.qualcomm.com>","References":"<20260408041953.1899532-1-brian.cain@oss.qualcomm.com>","MIME-Version":"1.0","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","X-Proofpoint-ORIG-GUID":"QAY74xXZxgsrogORLxCux2HnW7XLWRXk","X-Proofpoint-GUID":"QAY74xXZxgsrogORLxCux2HnW7XLWRXk","X-Authority-Analysis":"v=2.4 cv=WZs8rUhX c=1 sm=1 tr=0 ts=69d5d78a cx=c_pps\n a=bS7HVuBVfinNPG3f6cIo3Q==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17\n a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10\n a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22\n a=COk6AnOGAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=hUoHZ09r4jABJgGRQWAA:9\n a=QEXdDO2ut3YA:10 a=vBUdepa8ALXHeOFLBtFW:22 a=TjNXssC_j7lpFel5tvFf:22","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDA4MDAzNiBTYWx0ZWRfX0mvC6LZPv+fO\n d6l6JfOjJA9Cjf2rwBuud5ERrLR66uMQP6XI8E2zc6ql92in/Rf3pUfPbIqt9hGCjGeOtbY6dsK\n z8oZxPQp5OSA+ESTw9kemVAnFaSgWErdSfOZpftX4pqk4un9gf7g5/qtkBNsuo2E38WYWwHHvML\n 5l5YzMyZl69ss+n9NyMryw9C1UrYCWOBQ2iJ11+nq8YvfV7T21zFmPgBdmBEQsFBpv2KdVg1Wti\n E1GDjrDhUiyGhSO+GK/zfopS9efzf3FFiv2KjQezewD0aEBRFNTkxuqfZTqPb70AAHYQFL/OA+m\n QUilJgaku6UkHL//yoVlqOSce2UfdOGuRMMKZMymBuJz47UMlKh0XJQOeDM+5xhO6KhWJlYPxli\n fwi331hGQ9874cgB9HsZ5X482PWbhDylC7e8n3lko1CGhW1NXl54uXoZoUZUu1g7b0eEQGUlfS8\n mruRkgZjFcaCR/T0AIA==","X-Proofpoint-Virus-Version":"vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-08_02,2026-04-07_05,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n suspectscore=0 malwarescore=0 adultscore=0 phishscore=0 clxscore=1015\n bulkscore=0 lowpriorityscore=0 spamscore=0 priorityscore=1501 impostorscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2604010000 definitions=main-2604080036","Received-SPF":"pass client-ip=205.220.180.131;\n envelope-from=brian.cain@oss.qualcomm.com; helo=mx0b-0031df01.pphosted.com","X-Spam_score_int":"-27","X-Spam_score":"-2.8","X-Spam_bar":"--","X-Spam_report":"(-2.8 / 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_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001,\n RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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":"From: Brian Cain \n\nReviewed-by: Taylor Simpson \nSigned-off-by: Brian Cain \n---\n target/hexagon/cpu_helper.h | 8 ++++++++\n target/hexagon/cpu.c | 24 ++++++++++++++++++++++++\n 2 files changed, 32 insertions(+)","diff":"diff --git a/target/hexagon/cpu_helper.h b/target/hexagon/cpu_helper.h\nindex 75a28fc10f9..d1767503156 100644\n--- a/target/hexagon/cpu_helper.h\n+++ b/target/hexagon/cpu_helper.h\n@@ -8,6 +8,14 @@\n #define HEXAGON_CPU_HELPER_H\n \n uint32_t hexagon_get_pmu_counter(CPUHexagonState *cur_env, int index);\n+void hexagon_modify_ssr(CPUHexagonState *env, uint32_t new, uint32_t old);\n+int get_cpu_mode(CPUHexagonState *env);\n+int get_exe_mode(CPUHexagonState *env);\n+void clear_wait_mode(CPUHexagonState *env);\n+void hexagon_ssr_set_cause(CPUHexagonState *env, uint32_t cause);\n+void hexagon_start_threads(CPUHexagonState *env, uint32_t mask);\n+void hexagon_stop_thread(CPUHexagonState *env);\n+void hexagon_resume_threads(CPUHexagonState *env, uint32_t mask);\n uint64_t hexagon_get_sys_pcycle_count(CPUHexagonState *env);\n uint32_t hexagon_get_sys_pcycle_count_high(CPUHexagonState *env);\n uint32_t hexagon_get_sys_pcycle_count_low(CPUHexagonState *env);\ndiff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c\nindex d130a02f5d5..89b41fb7851 100644\n--- a/target/hexagon/cpu.c\n+++ b/target/hexagon/cpu.c\n@@ -442,6 +442,30 @@ static void hexagon_cpu_realize(DeviceState *dev, Error **errp)\n \n static int hexagon_cpu_mmu_index(CPUState *cs, bool ifetch)\n {\n+#ifndef CONFIG_USER_ONLY\n+ CPUHexagonState *env = cpu_env(cs);\n+ HexagonCPU *cpu = HEXAGON_CPU(cs);\n+ int cpu_mode;\n+\n+ BQL_LOCK_GUARD();\n+ if (cpu->globalregs) {\n+ uint32_t syscfg =\n+ hexagon_globalreg_read(cpu->globalregs, HEX_SREG_SYSCFG,\n+ env->threadId);\n+ uint8_t mmuen = GET_SYSCFG_FIELD(SYSCFG_MMUEN, syscfg);\n+ if (!mmuen) {\n+ return MMU_KERNEL_IDX;\n+ }\n+ }\n+\n+ cpu_mode = get_cpu_mode(env);\n+ if (cpu_mode == HEX_CPU_MODE_MONITOR) {\n+ return MMU_KERNEL_IDX;\n+ } else if (cpu_mode == HEX_CPU_MODE_GUEST) {\n+ return MMU_GUEST_IDX;\n+ }\n+#endif\n+\n return MMU_USER_IDX;\n }\n \n","prefixes":["v4","17/28"]}