From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7F1D2ECD9B7 for ; Fri, 6 Feb 2026 00:24:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=FwgrjncfS/5J3TnrmmBytyyNXzx6SjpaqOli91c5iKw=; b=pGBj+T9dA4Fgxb C6REkNYPbBEg4MxLPmQN6aS5jnzWfwz8hJGoeg6uRl0l2B3vLdU7TJl8dLS46FG+M2d+Dqt7Eb5Uq Pw4oWzashRwojF4wQ+/LeCvEBY6HWh/KlEiw+Gk5IrqebGSNnPMtoqirMssynvyqHua7llgVrll6D Kl2hjh01LBj8W0qXzk776501fhaZzQWOJ8hBBlAIUaTX7lksx02WkEa/57wF90dWCgt+JhzAMdjvW WYS+HZ1bqb9eU0t/KyaIb3E88qf2Ofl7//672DfG+ojihC645Buz38zRyW3mYCQDgHu3qnLADTN3+ bhNSGQyRwPPTM4RjrWWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vo9ds-0000000AeAu-3pVp; Fri, 06 Feb 2026 00:24:12 +0000 Received: from mx0a-0031df01.pphosted.com ([205.220.168.131]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vo9dp-0000000Ae5a-3QUE for linux-riscv@lists.infradead.org; Fri, 06 Feb 2026 00:24:11 +0000 Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 615J1QYq4135732 for ; Fri, 6 Feb 2026 00:24:09 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=GRhkT6XuzXe TcgfvEvh6FIBCnEJ+12XAdAE/Omn9bwk=; b=KzRJR4GAbWKyjYj+jnu7+3Guohk Qd1yMN91F1ZZt4lVRpwn94YYyjbXoxosbdxcFPM1TM3v8L0o9MfqJxp0neiYBAX8 qSl+4qtSvtIDTOD4ZLDFinr1HfQ8mE+WTMHlr5PWNUM/7RYGqwrdcjTocvVHqdfE hmHo6DAvh1fOmGzDFXYDvfyDhbHn8e4bV1lViIa1WQ3Ek752FPWDCZ4cKYKuhyzy FVniluB3q0eyFcptcAxRuOW6BiEu8WXAraI14QvLiZmm/vXu2f5Izy4s/V4gVarN iVXaGL43m+SLVEw6qIElYIzUJafPjR2Q2ozHX/C6jhjFa8yPY8r3O+EPflQ== Received: from mail-dl1-f70.google.com (mail-dl1-f70.google.com [74.125.82.70]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4c4tn42e67-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Fri, 06 Feb 2026 00:24:09 +0000 (GMT) Received: by mail-dl1-f70.google.com with SMTP id a92af1059eb24-1233b91de6bso201993c88.1 for ; Thu, 05 Feb 2026 16:24:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1770337449; x=1770942249; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=GRhkT6XuzXeTcgfvEvh6FIBCnEJ+12XAdAE/Omn9bwk=; b=Y9JrLXmALYz565J55Pg409z8iBK53fqBt2gNPMmGJDY4ggImaHNtqArCfVpIRQ4dGZ bVQu1A2gYMpUoa1yzmJqNHTMAOUTZEuz1ZXc5UVdwMwFoTRu6fHMM3ovoXden8ghSPWx DNKW047+/H/kRO29YZbepxvH/+UlkelwN+7lba5/NiClPA110V0b9JTG6KYQAMpucKGF ri+DFvmYMed8lKA3mb8Br+olGB0y2Bt4Qqaxfs1wpw445IneHKz2eE/YY+5DYQZywe/T 9nYMU35djiwbOv3WDIn7m+P7ZlH6R15EFLhi0AXG1txQZ8R/x6Ww5YQdyPY1y1CyVEkI 7t6g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770337449; x=1770942249; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=GRhkT6XuzXeTcgfvEvh6FIBCnEJ+12XAdAE/Omn9bwk=; b=tFexmgq3Ju1OYA1FuMTdJ2ycFJQThY1PFKAy5DfKsv/OmV3oro+FiWu+nDKUlaLyP2 rTCCWsiTxP7hCsb7SXc3E8yNulKJWTLvRxgMARORRrke81XG4KiE3xT7Gqe7dvGbVlXk h6Yhbv/Bs0gPWLlOwjPoD2JEggOQ61v5QkDZkXdOWVgy9khyS6W6EOvTTvjQP4UPzShi uD9mEE9YU9QeRje6LjtSs9t8ioVKbLA5X+JAcJRdxAk3vJpaUzz7+Ow/43LFvJQziu98 4Fa4fschDP9520PY87JiKZ8e3L64+RWt2Ft41WCXiJjqdcfKwmcy0gpznizu5DFUIbAf +Egg== X-Forwarded-Encrypted: i=1; AJvYcCXqmONTadNuJooDXu9VSkLIyzYlog4l7KFGLfbWVLghPXZNDWW9ngurAGXll+nBYqC7pCc8Uc4MSa0CaA==@lists.infradead.org X-Gm-Message-State: AOJu0YxqHuwHcYeADsQNwrh1j4Z2Rfr8GtVw6EFRyz8x6/Bsszt45Ni3 bzfsMgUjG2P/JpLYk7bU6mxXGRecv0MS3oMdZ9sBxUJkNd56LizumS55zpb1yRY6UO7gUUBdg3t yh9OBNPyGdn7mGIdNv/Ca90ShvcW8s1lj1soklBLVa+nr5i1iiYteicTCM9bqxWgGM7F72MQ= X-Gm-Gg: AZuq6aLh4EeETqiM70TOW7S9ZflMloUd8Ci4KEeBJQ6sN3ZeSYajs7KqhDQiQiJgnnu iEf7Wn+YhGjTFaW308x6rcn8N2rF+779tgUYjD5/G6b3WpjEc2FHCnFKNdFxw7VcXFOX97ynWhl fWbH8rwg3Vu6kYbRCVAXUxb8+tTSog3btlHcomVoY8V6M4ao92bzc6hV65WR3D6kHvTJc3Lp3lK Nrl9LRVY0VTzVNV37fIFc8xTQzY2du8fj6YpC1GCClIzKadVzXT57Vu7ksOSeipXTrRU8EuUm+h YGlm+kEWpsICEpU9iN0aZswJUyjm5J2ezpbm0fTJANc/CsRnhOM6A8NbNXrS3ZC4IVUGZ+/FWJb vdm1N4yKV82dkXPnhBdo= X-Received: by 2002:a05:7022:2527:b0:123:2d4f:ef1c with SMTP id a92af1059eb24-12703ff4c81mr360682c88.26.1770337448579; Thu, 05 Feb 2026 16:24:08 -0800 (PST) X-Received: by 2002:a05:7022:2527:b0:123:2d4f:ef1c with SMTP id a92af1059eb24-12703ff4c81mr360665c88.26.1770337448020; Thu, 05 Feb 2026 16:24:08 -0800 (PST) Received: from localhost ([140.82.166.162]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-127041d94cesm605982c88.3.2026.02.05.16.24.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 05 Feb 2026 16:24:07 -0800 (PST) From: Andrew Jones To: linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, kvm-riscv@lists.infradead.org Cc: Paul Walmsley , Palmer Dabbelt , Anup Patel , =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Conor Dooley , Guodong Xu , Charlie Jenkins , Charlie Jenkins , Samuel Holland Subject: [RFC PATCH v1 09/11] riscv: selftests: hwprobe: Check rva23u64 consistency Date: Thu, 5 Feb 2026 18:23:47 -0600 Message-ID: <20260206002349.96740-10-andrew.jones@oss.qualcomm.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260206002349.96740-1-andrew.jones@oss.qualcomm.com> References: <20260206002349.96740-1-andrew.jones@oss.qualcomm.com> MIME-Version: 1.0 X-Proofpoint-GUID: L6rJ0hwhZ7Uon9BacciZ5cXsQtCoKBru X-Proofpoint-ORIG-GUID: L6rJ0hwhZ7Uon9BacciZ5cXsQtCoKBru X-Authority-Analysis: v=2.4 cv=Dfgaa/tW c=1 sm=1 tr=0 ts=698534a9 cx=c_pps a=SvEPeNj+VMjHSW//kvnxuw==:117 a=cvcws7F5//HeuvjG1O1erQ==:17 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Mpw57Om8IfrbqaoTuvik:22 a=GgsMoib0sEa3-_RKJdDe:22 a=EUspDBNiAAAA:8 a=y9hzm5t5Ul_F05FwlnYA:9 a=Kq8ClHjjuc5pcCNDwlU0:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA2MDAwMSBTYWx0ZWRfX3J5yrOI0ejDq WjLLt3pYqsRR8W/L9jfd68TO0apBnvh293WY5gcXrtcAfxdEarTSWEPmUnbWqgzyfB/msdTfNVU XWrFF1hX/7J2vXtjFZDNJi3st89PcGKau9Gs4pG1RdUV1v3C3z75lppxPPGdEny62EI8Ozf5ODb WzclypttpuxqGEcfZz7EHvRK6pejTmLNUQ6i6kPg03BCNID/FzYlgppC0CvNVqJG51HybJuieP3 BY7AiJ0R7GhPQVMjSAADaBv+RfO+UlQtxs0oJI8r8ybKErbe/SVa4Gx1pp/HxpffKxoTpk5dCx/ 5oxDw8ewIi94usCbYRqJ1aiLHb1MGz3cw9zr99UrIGSC7Xps6BbiUmhwajbQWvRvu+2anuTiQq7 wXUeMr7JNcDrdn0UQ8r4/ZkIRV3Tq+3NkFBYsf8leMoiWuYcGVUqth6yYGiHh2noDey5jPyCWoS JcFKCYCcCB1bIQl6A4A== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-05_06,2026-02-05_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 bulkscore=0 malwarescore=0 phishscore=0 priorityscore=1501 spamscore=0 impostorscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602060001 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260205_162409_891355_1F65F8D0 X-CRM114-Status: GOOD ( 15.91 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org When the rva23u64 base behavior is advertised ensure all its mandated extensions are also advertised. The prctl calls are necessary to ensure PMLEN=0 and PMLEN=7 are supported, as that's also mandated by the profiles spec for rva23u64. Signed-off-by: Andrew Jones --- .../testing/selftests/riscv/hwprobe/hwprobe.c | 112 +++++++++++++++++- 1 file changed, 111 insertions(+), 1 deletion(-) diff --git a/tools/testing/selftests/riscv/hwprobe/hwprobe.c b/tools/testing/selftests/riscv/hwprobe/hwprobe.c index 54c435af9923..780658867313 100644 --- a/tools/testing/selftests/riscv/hwprobe/hwprobe.c +++ b/tools/testing/selftests/riscv/hwprobe/hwprobe.c @@ -1,7 +1,115 @@ // SPDX-License-Identifier: GPL-2.0-only +#include +#include +#include +#include + #include "hwprobe.h" #include "kselftest.h" +#define RVA23U64_HWCAP ( \ + (1 << ('I' - 'A')) | \ + (1 << ('M' - 'A')) | \ + (1 << ('A' - 'A')) | \ + (1 << ('F' - 'A')) | \ + (1 << ('D' - 'A')) | \ + (1 << ('C' - 'A')) | \ + (1 << ('B' - 'A')) | \ + (1 << ('V' - 'A')) \ +) + +#define RVA23U64_EXT0 ( \ + RISCV_HWPROBE_IMA_FD | \ + RISCV_HWPROBE_IMA_C | \ + RISCV_HWPROBE_IMA_V | \ + RISCV_HWPROBE_EXT_ZBA | \ + RISCV_HWPROBE_EXT_ZBB | \ + RISCV_HWPROBE_EXT_ZBS | \ + RISCV_HWPROBE_EXT_ZICBOZ | \ + RISCV_HWPROBE_EXT_ZKT | \ + RISCV_HWPROBE_EXT_ZVBB | \ + RISCV_HWPROBE_EXT_ZVKT | \ + RISCV_HWPROBE_EXT_ZFHMIN | \ + RISCV_HWPROBE_EXT_ZIHINTNTL | \ + RISCV_HWPROBE_EXT_ZVFHMIN | \ + RISCV_HWPROBE_EXT_ZFA | \ + RISCV_HWPROBE_EXT_ZICNTR | \ + RISCV_HWPROBE_EXT_ZICOND | \ + RISCV_HWPROBE_EXT_ZIHINTPAUSE | \ + RISCV_HWPROBE_EXT_ZIHPM | \ + RISCV_HWPROBE_EXT_ZIMOP | \ + RISCV_HWPROBE_EXT_ZCB | \ + RISCV_HWPROBE_EXT_ZCMOP | \ + RISCV_HWPROBE_EXT_ZAWRS | \ + RISCV_HWPROBE_EXT_SUPM | \ + RISCV_HWPROBE_EXT_ZICBOM | \ + RISCV_HWPROBE_EXT_ZICBOP | \ + RISCV_HWPROBE_EXT_ZICCLSM \ +) + +#define RVA23U64_EXT1 ( \ + RISCV_HWPROBE_EXT_ZICCAMOA | \ + RISCV_HWPROBE_EXT_ZICCIF | \ + RISCV_HWPROBE_EXT_ZICCRSE | \ + RISCV_HWPROBE_EXT_ZA64RS \ +) + +static void check_rva23u64(unsigned long *cpus, size_t cpusetsize) +{ + struct riscv_hwprobe pairs[] = { + { .key = RISCV_HWPROBE_KEY_BASE_BEHAVIOR, }, + { .key = RISCV_HWPROBE_KEY_IMA_EXT_0, }, + { .key = RISCV_HWPROBE_KEY_IMA_EXT_1, }, + { .key = RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE, }, + { .key = RISCV_HWPROBE_KEY_ZICBOM_BLOCK_SIZE, }, + { .key = RISCV_HWPROBE_KEY_ZICBOP_BLOCK_SIZE, }, + }; + long ret, pmlen0, pmlen7; + unsigned long hwcap; + + ret = riscv_hwprobe(pairs, ARRAY_SIZE(pairs), cpusetsize, cpus, 0); + assert(ret == 0); + assert(pairs[0].key == RISCV_HWPROBE_KEY_BASE_BEHAVIOR); + assert(pairs[1].key == RISCV_HWPROBE_KEY_IMA_EXT_0); + assert(pairs[3].key == RISCV_HWPROBE_KEY_ZICBOZ_BLOCK_SIZE); + assert(pairs[4].key == RISCV_HWPROBE_KEY_ZICBOM_BLOCK_SIZE); + assert(pairs[5].key == RISCV_HWPROBE_KEY_ZICBOP_BLOCK_SIZE); + + if (!(pairs[0].value & RISCV_HWPROBE_BASE_BEHAVIOR_RVA23U64)) { + ksft_test_result_skip("rva23u64 check, no RVA23U64 base behavior\n"); + return; + } + + assert(pairs[2].key == RISCV_HWPROBE_KEY_IMA_EXT_1); + assert(pairs[0].value & RISCV_HWPROBE_BASE_BEHAVIOR_IMA); + + if (prctl(PR_SET_TAGGED_ADDR_CTRL, 0 << PR_PMLEN_SHIFT, 0, 0, 0)) { + ksft_test_result_skip("rva23u64 check, failed PR_SET_TAGGED_ADDR_CTRL\n"); + return; + } + ret = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0); + if (ret < 0) { + ksft_test_result_skip("rva23u64 check, failed PR_GET_TAGGED_ADDR_CTRL\n"); + return; + } + pmlen0 = (ret & PR_PMLEN_MASK) >> PR_PMLEN_SHIFT; + + ret = prctl(PR_SET_TAGGED_ADDR_CTRL, 7 << PR_PMLEN_SHIFT, 0, 0, 0); + assert(ret == 0); + ret = prctl(PR_GET_TAGGED_ADDR_CTRL, 0, 0, 0, 0); + assert(ret >= 0); + pmlen7 = (ret & PR_PMLEN_MASK) >> PR_PMLEN_SHIFT; + + hwcap = getauxval(AT_HWCAP); + + ksft_test_result((pairs[1].value & RVA23U64_EXT0) == RVA23U64_EXT0 && + (pairs[2].value & RVA23U64_EXT1) == RVA23U64_EXT1 && + pairs[3].value == 64 && pairs[4].value == 64 && pairs[5].value == 64 && + pmlen0 == 0 && pmlen7 == 7 && + (hwcap & RVA23U64_HWCAP) == RVA23U64_HWCAP, + "rva23u64 is consistent\n"); +} + int main(int argc, char **argv) { struct riscv_hwprobe pairs[8]; @@ -9,7 +117,7 @@ int main(int argc, char **argv) long out; ksft_print_header(); - ksft_set_plan(5); + ksft_set_plan(6); /* Fake the CPU_SET ops. */ cpus = -1; @@ -62,5 +170,7 @@ int main(int argc, char **argv) pairs[1].key == 1 && pairs[1].value != 0xAAAA, "Unknown key overwritten with -1 and doesn't block other elements\n"); + check_rva23u64(&cpus, 1); + ksft_finished(); } -- 2.43.0 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv