From nobody Sun Feb 8 13:54:26 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=intel.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1537326913040495.0955712012004; Tue, 18 Sep 2018 20:15:13 -0700 (PDT) Received: from localhost ([::1]:43424 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g2SxI-0008RW-1n for importer@patchew.org; Tue, 18 Sep 2018 23:15:08 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33845) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g2Sv3-0007V6-Po for qemu-devel@nongnu.org; Tue, 18 Sep 2018 23:12:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g2Sv0-0005WL-0R for qemu-devel@nongnu.org; Tue, 18 Sep 2018 23:12:49 -0400 Received: from mga03.intel.com ([134.134.136.65]:1597) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g2Suz-0005TL-JF for qemu-devel@nongnu.org; Tue, 18 Sep 2018 23:12:45 -0400 Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by orsmga103.jf.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 18 Sep 2018 20:12:43 -0700 Received: from vmmtaopc.sh.intel.com ([10.239.13.30]) by FMSMGA003.fm.intel.com with ESMTP; 18 Sep 2018 20:12:42 -0700 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.53,392,1531810800"; d="scan'208";a="81564344" From: Tao Xu To: pbonzini@redhat.com, rth@twiddle.net, ehabkost@redhat.com Date: Wed, 19 Sep 2018 11:11:22 +0800 Message-Id: <20180919031122.28487-2-tao3.xu@intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20180919031122.28487-1-tao3.xu@intel.com> References: <20180919031122.28487-1-tao3.xu@intel.com> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 134.134.136.65 Subject: [Qemu-devel] [PATCH 1/1] i386: Add new model of Cascadelake-Server X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: jingqi.liu@intel.com, Tao Xu , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" New CPU models mostly inherit features from ancestor Skylake-Server, while addin new features: AVX512_VNNI, Intel PT. SSBD support for speculative execution side channel mitigations. Note: On Cascadelake, some capabilities (RDCL_NO, IBRS_ALL, RSBA, SKIP_L1DFL_VMENTRY and SSB_NO) are enumerated by MSR. These features rely on MSR based feature support patch.=20 Will be added later after that patch's in. http://lists.nongnu.org/archive/html/qemu-devel/2018-09/msg00074.html Signed-off-by: Tao Xu --- target/i386/cpu.c | 54 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index f24295e6e4..670898f32d 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -2386,6 +2386,60 @@ static X86CPUDefinition builtin_x86_defs[] =3D { .xlevel =3D 0x80000008, .model_id =3D "Intel Xeon Processor (Skylake, IBRS)", }, + { + .name =3D "Cascadelake-Server", + .level =3D 0xd, + .vendor =3D CPUID_VENDOR_INTEL, + .family =3D 6, + .model =3D 85, + .stepping =3D 5, + .features[FEAT_1_EDX] =3D + CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | + CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_M= CA | + CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | + CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | + CPUID_DE | CPUID_FP87, + .features[FEAT_1_ECX] =3D + CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | + CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | + CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | + CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | + CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE= | + CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, + .features[FEAT_8000_0001_EDX] =3D + CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP | + CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, + .features[FEAT_8000_0001_ECX] =3D + CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH, + .features[FEAT_7_0_EBX] =3D + CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | + CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | + CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCI= D | + CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | + CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_CLWB | + CPUID_7_0_EBX_AVX512F | CPUID_7_0_EBX_AVX512DQ | + CPUID_7_0_EBX_AVX512BW | CPUID_7_0_EBX_AVX512CD | + CPUID_7_0_EBX_AVX512VL | CPUID_7_0_EBX_CLFLUSHOPT | + CPUID_7_0_EBX_INTEL_PT, + .features[FEAT_7_0_ECX] =3D + CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE | + CPUID_7_0_ECX_AVX512VNNI, + .features[FEAT_7_0_EDX] =3D + CPUID_7_0_EDX_SPEC_CTRL | CPUID_7_0_EDX_SPEC_CTRL_SSBD, + /* Missing: XSAVES (not supported by some Linux versions, + * including v4.1 to v4.12). + * KVM doesn't yet expose any XSAVES state save component, + * and the only one defined in Skylake (processor tracing) + * probably will block migration anyway. + */ + .features[FEAT_XSAVE] =3D + CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC | + CPUID_XSAVE_XGETBV1, + .features[FEAT_6_EAX] =3D + CPUID_6_EAX_ARAT, + .xlevel =3D 0x80000008, + .model_id =3D "Intel Xeon Processor (Cascadelake)", + }, { .name =3D "Icelake-Client", .level =3D 0xd, --=20 2.17.1