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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: softfail client-ip=40.107.93.45; envelope-from=Babu.Moger@amd.com; helo=NAM10-DM6-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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @amd.com) 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 Reviewed-by: David Edmondson --- v2: Model-id remains same between EPYC-Rome-v1 and EPYC-Rome-v2. Removed model-id in the patch. target/i386/cpu.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 6a53446e6a..30e7188b0e 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4179,6 +4179,18 @@ static X86CPUDefinition builtin_x86_defs[] =3D { .xlevel =3D 0x8000001E, .model_id =3D "AMD EPYC-Rome Processor", .cache_info =3D &epyc_rome_cache_info, + .versions =3D (X86CPUVersionDefinition[]) { + { .version =3D 1 }, + { + .version =3D 2, + .props =3D (PropValue[]) { + { "ibrs", "on" }, + { "amd-ssbd", "on" }, + { /* end of list */ } + } + }, + { /* end of list */ } + } }, { .name =3D "EPYC-Milan",