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dkim=none (message not signed) header.d=none;redhat.com; dmarc=none action=none header.from=amd.com; Received: from SN1PR12MB2560.namprd12.prod.outlook.com (2603:10b6:802:26::19) by SN6PR12MB2605.namprd12.prod.outlook.com (2603:10b6:805:6a::11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3890.20; Tue, 2 Mar 2021 21:20:02 +0000 Received: from SN1PR12MB2560.namprd12.prod.outlook.com ([fe80::8c0e:9a64:673b:4fff]) by SN1PR12MB2560.namprd12.prod.outlook.com ([fe80::8c0e:9a64:673b:4fff%5]) with mapi id 15.20.3825.040; Tue, 2 Mar 2021 21:20:02 +0000 Subject: [PATCH] i386: Add missing cpu feature bits in EPYC-Rome model From: Babu Moger To: pbonzini@redhat.com, richard.henderson@linaro.org, ehabkost@redhat.com Date: Tue, 02 Mar 2021 15:20:00 -0600 Message-ID: <161472000062.17527.13517059335871466534.stgit@bmoger-ubuntu> User-Agent: StGit/0.17.1-dirty X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: SA9PR13CA0004.namprd13.prod.outlook.com (2603:10b6:806:21::9) To SN1PR12MB2560.namprd12.prod.outlook.com (2603:10b6:802:26::19) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from [127.0.1.1] (165.204.77.1) by SA9PR13CA0004.namprd13.prod.outlook.com (2603:10b6:806:21::9) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3912.11 via Frontend Transport; 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envelope-from=Babu.Moger@amd.com; helo=NAM12-BN8-obe.outbound.protection.outlook.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, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, MSGID_FROM_MTA_HEADER=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: babu.moger@amd.com, pankaj.gupta@cloud.ionos.com, qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Found the following cpu feature bits missing from EPYC-Rome model. ibrs : Indirect Branch Restricted Speculation ssbd : Speculative Store Bypass Disable These new features will be added in EPYC-Rome-v2. The -cpu help output after the change. x86 EPYC-Rome (alias configured by machine type) x86 EPYC-Rome-v1 AMD EPYC-Rome Processor x86 EPYC-Rome-v2 AMD EPYC-Rome Processor Reported-by: Pankaj Gupta Signed-off-by: Babu Moger Signed-off-by: Pankaj Gupta --- target/i386/cpu.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 6a53446e6a..9b5a31783d 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4179,6 +4179,20 @@ static X86CPUDefinition builtin_x86_defs[] = { .xlevel = 0x8000001E, .model_id = "AMD EPYC-Rome Processor", .cache_info = &epyc_rome_cache_info, + .versions = (X86CPUVersionDefinition[]) { + { .version = 1 }, + { + .version = 2, + .props = (PropValue[]) { + { "ibrs", "on" }, + { "amd-ssbd", "on" }, + { "model-id", + "AMD EPYC-Rome Processor" }, + { /* end of list */ } + } + }, + { /* end of list */ } + } }, { .name = "EPYC-Milan",