From patchwork Fri Apr 9 20:22:45 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 12195021 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2BB49C433ED for ; Fri, 9 Apr 2021 20:29:13 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 97A8A610A8 for ; Fri, 9 Apr 2021 20:29:12 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 97A8A610A8 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:56856 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lUxkd-0005z4-Cz for qemu-devel@archiver.kernel.org; Fri, 09 Apr 2021 16:29:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:52626) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUxee-00005Z-Ae for qemu-devel@nongnu.org; Fri, 09 Apr 2021 16:23:00 -0400 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:25725) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lUxeb-0004BK-B3 for qemu-devel@nongnu.org; Fri, 09 Apr 2021 16:23:00 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1617999775; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=liB2Vx01UETRmR85jAnvUN5jWJXLjBT8ZS9U0KHp2kw=; b=UKr9XIueSL6paZF3XE9PngrJJn67QikJQJvNsNpdvUZn+D+FUMutBRBwLx467JOx59WgOJ sFq3zloy+MhAQ9hi+pfRljk5xKt/uPwBPngveT2SH3MUIkgwYENnQtkpoV3ZV1Z36x5+OY H3ldBMbmfTnflraJEKhWCZLS6S+6zgU= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-145-CELbe1VpNaaFzGi-ieajaQ-1; Fri, 09 Apr 2021 16:22:53 -0400 X-MC-Unique: CELbe1VpNaaFzGi-ieajaQ-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 6B8A1107ACCD; Fri, 9 Apr 2021 20:22:52 +0000 (UTC) Received: from localhost (ovpn-118-57.rdu2.redhat.com [10.10.118.57]) by smtp.corp.redhat.com (Postfix) with ESMTP id 32ADC5D6AD; Fri, 9 Apr 2021 20:22:52 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org, Peter Maydell Subject: [PULL 1/2] i386: Add missing cpu feature bits in EPYC-Rome model Date: Fri, 9 Apr 2021 16:22:45 -0400 Message-Id: <20210409202246.1857179-2-ehabkost@redhat.com> In-Reply-To: <20210409202246.1857179-1-ehabkost@redhat.com> References: <20210409202246.1857179-1-ehabkost@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=ehabkost@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=216.205.24.124; envelope-from=ehabkost@redhat.com; helo=us-smtp-delivery-124.mimecast.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, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: Eduardo Habkost , Richard Henderson , David Edmondson , Babu Moger , Pankaj Gupta , Paolo Bonzini , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Babu Moger 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 Signed-off-by: Eduardo Habkost Reviewed-by: David Edmondson Message-Id: <161478622280.16275.6399866734509127420.stgit@bmoger-ubuntu> Signed-off-by: Eduardo Habkost --- target/i386/cpu.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 6b3e9467f17..ad99cad0e7c 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -4179,6 +4179,18 @@ 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" }, + { /* end of list */ } + } + }, + { /* end of list */ } + } }, { .name = "EPYC-Milan",