From patchwork Mon Aug 12 10:14:31 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: EwanHai X-Patchwork-Id: 13760393 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 8DDCAC3DA7F for ; Mon, 12 Aug 2024 10:22:17 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sdSAt-0005Sq-72; Mon, 12 Aug 2024 06:21:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sdSAq-0005PS-GO for qemu-devel@nongnu.org; Mon, 12 Aug 2024 06:21:12 -0400 Received: from mx2.zhaoxin.com ([203.110.167.99]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sdSAo-0002F3-Pl for qemu-devel@nongnu.org; Mon, 12 Aug 2024 06:21:12 -0400 X-ASG-Debug-ID: 1723458064-1eb14e31a730430001-jgbH7p Received: from ZXSHMBX3.zhaoxin.com (ZXSHMBX3.zhaoxin.com [10.28.252.165]) by mx2.zhaoxin.com with ESMTP id OQAetbyA5AniMyGz (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NO); Mon, 12 Aug 2024 18:21:04 +0800 (CST) X-Barracuda-Envelope-From: EwanHai-oc@zhaoxin.com X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.165 Received: from ZXSHMBX1.zhaoxin.com (10.28.252.163) by ZXSHMBX3.zhaoxin.com (10.28.252.165) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.1.2507.39; Mon, 12 Aug 2024 18:21:03 +0800 Received: from ZXSHMBX1.zhaoxin.com ([fe80::dcd1:d46d:263:77e]) by ZXSHMBX1.zhaoxin.com ([fe80::dcd1:d46d:263:77e%7]) with mapi id 15.01.2507.039; Mon, 12 Aug 2024 18:21:03 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.165 Received: from ewan-server.zhaoxin.com (10.28.66.62) by zxbjmbx1.zhaoxin.com (10.29.252.163) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 12 Aug 2024 18:14:35 +0800 From: EwanHai To: , , CC: , , , , , , Subject: [PATCH v4 1/4] target/i386: Add support for Zhaoxin CPU vendor identification Date: Mon, 12 Aug 2024 06:14:31 -0400 X-ASG-Orig-Subj: [PATCH v4 1/4] target/i386: Add support for Zhaoxin CPU vendor identification Message-ID: <20240812101434.3804790-2-ewanhai-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240812101434.3804790-1-ewanhai-oc@zhaoxin.com> References: <20240812101434.3804790-1-ewanhai-oc@zhaoxin.com> MIME-Version: 1.0 X-Originating-IP: [10.28.66.62] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To zxbjmbx1.zhaoxin.com (10.29.252.163) X-Moderation-Data: 8/12/2024 6:21:02 PM X-Barracuda-Connect: ZXSHMBX3.zhaoxin.com[10.28.252.165] X-Barracuda-Start-Time: 1723458064 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.36:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 2488 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.128930 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Received-SPF: pass client-ip=203.110.167.99; envelope-from=EwanHai-oc@zhaoxin.com; helo=mx2.zhaoxin.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Zhaoxin currently uses two vendors: "Shanghai" and "Centaurhauls". It is important to note that the latter now belongs to Zhaoxin. Therefore, this patch replaces CPUID_VENDOR_VIA with CPUID_VENDOR_ZHAOXIN1. The previous CPUID_VENDOR_VIA macro was only defined but never used in QEMU, making this change straightforward. Additionally, the IS_ZHAOXIN_CPU macro has been added to simplify the checks for Zhaoxin CPUs. Signed-off-by: EwanHai Reviewed-by: Zhao Liu --- target/i386/cpu.h | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index c6cc035df3..29d554766f 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1044,7 +1044,16 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w); #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */ #define CPUID_VENDOR_AMD "AuthenticAMD" -#define CPUID_VENDOR_VIA "CentaurHauls" +#define CPUID_VENDOR_ZHAOXIN1_1 0x746E6543 /* "Cent" */ +#define CPUID_VENDOR_ZHAOXIN1_2 0x48727561 /* "aurH" */ +#define CPUID_VENDOR_ZHAOXIN1_3 0x736C7561 /* "auls" */ + +#define CPUID_VENDOR_ZHAOXIN2_1 0x68532020 /* " Sh" */ +#define CPUID_VENDOR_ZHAOXIN2_2 0x68676E61 /* "angh" */ +#define CPUID_VENDOR_ZHAOXIN2_3 0x20206961 /* "ai " */ + +#define CPUID_VENDOR_ZHAOXIN1 "CentaurHauls" +#define CPUID_VENDOR_ZHAOXIN2 " Shanghai " #define CPUID_VENDOR_HYGON "HygonGenuine" @@ -1054,6 +1063,15 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w); #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \ (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \ (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3) +#define IS_ZHAOXIN1_CPU(env) \ + ((env)->cpuid_vendor1 == CPUID_VENDOR_ZHAOXIN1_1 && \ + (env)->cpuid_vendor2 == CPUID_VENDOR_ZHAOXIN1_2 && \ + (env)->cpuid_vendor3 == CPUID_VENDOR_ZHAOXIN1_3) +#define IS_ZHAOXIN2_CPU(env) \ + ((env)->cpuid_vendor1 == CPUID_VENDOR_ZHAOXIN2_1 && \ + (env)->cpuid_vendor2 == CPUID_VENDOR_ZHAOXIN2_2 && \ + (env)->cpuid_vendor3 == CPUID_VENDOR_ZHAOXIN2_3) +#define IS_ZHAOXIN_CPU(env) (IS_ZHAOXIN1_CPU(env) || IS_ZHAOXIN2_CPU(env)) #define CPUID_MWAIT_IBE (1U << 1) /* Interrupts can exit capability */ #define CPUID_MWAIT_EMX (1U << 0) /* enumeration supported */ From patchwork Mon Aug 12 10:14:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: EwanHai X-Patchwork-Id: 13760391 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 20E99C52D7C for ; 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Mon, 12 Aug 2024 18:21:06 +0800 Received: from ZXSHMBX1.zhaoxin.com ([fe80::dcd1:d46d:263:77e]) by ZXSHMBX1.zhaoxin.com ([fe80::dcd1:d46d:263:77e%7]) with mapi id 15.01.2507.039; Mon, 12 Aug 2024 18:21:06 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.165 Received: from ewan-server.zhaoxin.com (10.28.66.62) by zxbjmbx1.zhaoxin.com (10.29.252.163) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 12 Aug 2024 18:14:36 +0800 From: EwanHai To: , , CC: , , , , , , Subject: [PATCH v4 2/4] target/i386: Add CPUID leaf 0xC000_0001 EDX definitions Date: Mon, 12 Aug 2024 06:14:32 -0400 X-ASG-Orig-Subj: [PATCH v4 2/4] target/i386: Add CPUID leaf 0xC000_0001 EDX definitions Message-ID: <20240812101434.3804790-3-ewanhai-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240812101434.3804790-1-ewanhai-oc@zhaoxin.com> References: <20240812101434.3804790-1-ewanhai-oc@zhaoxin.com> MIME-Version: 1.0 X-Originating-IP: [10.28.66.62] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To zxbjmbx1.zhaoxin.com (10.29.252.163) X-Moderation-Data: 8/12/2024 6:21:05 PM X-Barracuda-Connect: ZXSHMBX3.zhaoxin.com[10.28.252.165] X-Barracuda-Start-Time: 1723458066 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.35:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 1642 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.128930 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Received-SPF: pass client-ip=210.0.225.12; envelope-from=EwanHai-oc@zhaoxin.com; helo=mx1.zhaoxin.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Add new CPUID feature flags for various Zhaoxin PadLock extensions. These definitions will be used for Zhaoxin CPU models. Signed-off-by: EwanHai Reviewed-by: Zhao Liu --- target/i386/cpu.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 29d554766f..ff5551297d 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -1032,6 +1032,27 @@ uint64_t x86_cpu_get_supported_feature_word(X86CPU *cpu, FeatureWord w); /* CPUID[0x80000007].EDX flags: */ #define CPUID_APM_INVTSC (1U << 8) +/* "rng" RNG present (xstore) */ +#define CPUID_C000_0001_EDX_XSTORE (1U << 2) +/* "rng_en" RNG enabled */ +#define CPUID_C000_0001_EDX_XSTORE_EN (1U << 3) +/* "ace" on-CPU crypto (xcrypt) */ +#define CPUID_C000_0001_EDX_XCRYPT (1U << 6) +/* "ace_en" on-CPU crypto enabled */ +#define CPUID_C000_0001_EDX_XCRYPT_EN (1U << 7) +/* Advanced Cryptography Engine v2 */ +#define CPUID_C000_0001_EDX_ACE2 (1U << 8) +/* ACE v2 enabled */ +#define CPUID_C000_0001_EDX_ACE2_EN (1U << 9) +/* PadLock Hash Engine */ +#define CPUID_C000_0001_EDX_PHE (1U << 10) +/* PHE enabled */ +#define CPUID_C000_0001_EDX_PHE_EN (1U << 11) +/* PadLock Montgomery Multiplier */ +#define CPUID_C000_0001_EDX_PMM (1U << 12) +/* PMM enabled */ +#define CPUID_C000_0001_EDX_PMM_EN (1U << 13) + #define CPUID_VENDOR_SZ 12 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */ From patchwork Mon Aug 12 10:14:33 2024 Content-Type: text/plain; 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Mon, 12 Aug 2024 18:14:36 +0800 From: EwanHai To: , , CC: , , , , , , Subject: [PATCH v4 3/4] target/i386: Introduce Zhaoxin Yongfeng CPU model Date: Mon, 12 Aug 2024 06:14:33 -0400 X-ASG-Orig-Subj: [PATCH v4 3/4] target/i386: Introduce Zhaoxin Yongfeng CPU model Message-ID: <20240812101434.3804790-4-ewanhai-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240812101434.3804790-1-ewanhai-oc@zhaoxin.com> References: <20240812101434.3804790-1-ewanhai-oc@zhaoxin.com> MIME-Version: 1.0 X-Originating-IP: [10.28.66.62] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To zxbjmbx1.zhaoxin.com (10.29.252.163) X-Moderation-Data: 8/12/2024 6:21:09 PM X-Barracuda-Connect: ZXSHMBX1.zhaoxin.com[10.28.252.163] X-Barracuda-Start-Time: 1723458071 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.35:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 7693 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.01 X-Barracuda-Spam-Status: No, SCORE=-2.01 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests=UPPERCASE_75_100 X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.128930 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- 0.01 UPPERCASE_75_100 message body is 75-100% uppercase Received-SPF: pass client-ip=210.0.225.12; envelope-from=EwanHai-oc@zhaoxin.com; helo=mx1.zhaoxin.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, UPPERCASE_75_100=0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Introduce support for the Zhaoxin Yongfeng CPU model. The Zhaoxin Yongfeng CPU is Zhaoxin's latest server CPU. This new cpu model ensure that QEMU can correctly emulate the Zhaoxin Yongfeng CPU, providing accurate functionality and performance characteristics. Signed-off-by: EwanHai Reviewed-by: Zhao Liu --- target/i386/cpu.c | 124 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 124 insertions(+) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 85ef7452c0..95849c40ad 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -5256,6 +5256,130 @@ static const X86CPUDefinition builtin_x86_defs[] = { .model_id = "AMD EPYC-Genoa Processor", .cache_info = &epyc_genoa_cache_info, }, + { + .name = "YongFeng", + .level = 0x1F, + .vendor = CPUID_VENDOR_ZHAOXIN1, + .family = 7, + .model = 11, + .stepping = 3, + /* missing: CPUID_HT, CPUID_TM, CPUID_PBE */ + .features[FEAT_1_EDX] = + CPUID_SS | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | + CPUID_ACPI | CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | + CPUID_MCA | CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | + CPUID_CX8 | CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | + CPUID_PSE | CPUID_DE | CPUID_VME | CPUID_FP87, + /* + * missing: CPUID_EXT_OSXSAVE, CPUID_EXT_XTPR, CPUID_EXT_TM2, + * CPUID_EXT_EST, CPUID_EXT_SMX, CPUID_EXT_VMX + */ + .features[FEAT_1_ECX] = + CPUID_EXT_RDRAND | CPUID_EXT_F16C | CPUID_EXT_AVX | + CPUID_EXT_XSAVE | CPUID_EXT_AES | CPUID_EXT_TSC_DEADLINE_TIMER | + CPUID_EXT_POPCNT | CPUID_EXT_MOVBE | CPUID_EXT_X2APIC | + CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | CPUID_EXT_PCID | + CPUID_EXT_CX16 | CPUID_EXT_FMA | CPUID_EXT_SSSE3 | + CPUID_EXT_MONITOR | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3, + .features[FEAT_7_0_EBX] = + CPUID_7_0_EBX_SHA_NI | CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_ADX | + CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_INVPCID | CPUID_7_0_EBX_BMI2 | + CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_BMI1 | + CPUID_7_0_EBX_FSGSBASE, + /* missing: CPUID_7_0_ECX_OSPKE */ + .features[FEAT_7_0_ECX] = + CPUID_7_0_ECX_RDPID | CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_UMIP, + .features[FEAT_7_0_EDX] = + CPUID_7_0_EDX_ARCH_CAPABILITIES | CPUID_7_0_EDX_SPEC_CTRL, + .features[FEAT_8000_0001_EDX] = + CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_PDPE1GB | + CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, + .features[FEAT_8000_0001_ECX] = + CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM, + .features[FEAT_8000_0007_EDX] = CPUID_APM_INVTSC, + /* + * TODO: When the Linux kernel introduces other existing definitions + * for this leaf, remember to update the definitions here. + */ + .features[FEAT_C000_0001_EDX] = + CPUID_C000_0001_EDX_PMM_EN | CPUID_C000_0001_EDX_PMM | + CPUID_C000_0001_EDX_PHE_EN | CPUID_C000_0001_EDX_PHE | + CPUID_C000_0001_EDX_ACE2 | + CPUID_C000_0001_EDX_XCRYPT_EN | CPUID_C000_0001_EDX_XCRYPT | + CPUID_C000_0001_EDX_XSTORE_EN | CPUID_C000_0001_EDX_XSTORE, + .features[FEAT_XSAVE] = + CPUID_XSAVE_XSAVEOPT, + .features[FEAT_ARCH_CAPABILITIES] = + MSR_ARCH_CAP_RDCL_NO | MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY | + MSR_ARCH_CAP_MDS_NO | MSR_ARCH_CAP_PSCHANGE_MC_NO | + MSR_ARCH_CAP_SSB_NO, + .features[FEAT_VMX_PROCBASED_CTLS] = + VMX_CPU_BASED_VIRTUAL_INTR_PENDING | VMX_CPU_BASED_HLT_EXITING | + VMX_CPU_BASED_USE_TSC_OFFSETING | VMX_CPU_BASED_INVLPG_EXITING | + VMX_CPU_BASED_MWAIT_EXITING | VMX_CPU_BASED_RDPMC_EXITING | + VMX_CPU_BASED_RDTSC_EXITING | VMX_CPU_BASED_CR3_LOAD_EXITING | + VMX_CPU_BASED_CR3_STORE_EXITING | VMX_CPU_BASED_CR8_LOAD_EXITING | + VMX_CPU_BASED_CR8_STORE_EXITING | VMX_CPU_BASED_TPR_SHADOW | + VMX_CPU_BASED_VIRTUAL_NMI_PENDING | VMX_CPU_BASED_MOV_DR_EXITING | + VMX_CPU_BASED_UNCOND_IO_EXITING | VMX_CPU_BASED_USE_IO_BITMAPS | + VMX_CPU_BASED_MONITOR_TRAP_FLAG | VMX_CPU_BASED_USE_MSR_BITMAPS | + VMX_CPU_BASED_MONITOR_EXITING | VMX_CPU_BASED_PAUSE_EXITING | + VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS, + /* + * missing: VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING, + * VMX_SECONDARY_EXEC_TSC_SCALING + */ + .features[FEAT_VMX_SECONDARY_CTLS] = + VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES | + VMX_SECONDARY_EXEC_ENABLE_EPT | VMX_SECONDARY_EXEC_DESC | + VMX_SECONDARY_EXEC_RDTSCP | VMX_SECONDARY_EXEC_ENABLE_VPID | + VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE | + VMX_SECONDARY_EXEC_WBINVD_EXITING | + VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST | + VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT | + VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY | + VMX_SECONDARY_EXEC_RDRAND_EXITING | + VMX_SECONDARY_EXEC_ENABLE_INVPCID | + VMX_SECONDARY_EXEC_ENABLE_VMFUNC | + VMX_SECONDARY_EXEC_SHADOW_VMCS | + VMX_SECONDARY_EXEC_ENABLE_PML, + .features[FEAT_VMX_PINBASED_CTLS] = + VMX_PIN_BASED_EXT_INTR_MASK | VMX_PIN_BASED_NMI_EXITING | + VMX_PIN_BASED_VIRTUAL_NMIS | VMX_PIN_BASED_VMX_PREEMPTION_TIMER | + VMX_PIN_BASED_POSTED_INTR, + .features[FEAT_VMX_EXIT_CTLS] = + VMX_VM_EXIT_SAVE_DEBUG_CONTROLS | VMX_VM_EXIT_HOST_ADDR_SPACE_SIZE | + VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL | + VMX_VM_EXIT_ACK_INTR_ON_EXIT | VMX_VM_EXIT_SAVE_IA32_PAT | + VMX_VM_EXIT_LOAD_IA32_PAT | VMX_VM_EXIT_SAVE_IA32_EFER | + VMX_VM_EXIT_LOAD_IA32_EFER | VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER, + /* missing: VMX_VM_ENTRY_SMM, VMX_VM_ENTRY_DEACT_DUAL_MONITOR */ + .features[FEAT_VMX_ENTRY_CTLS] = + VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS | VMX_VM_ENTRY_IA32E_MODE | + VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL | + VMX_VM_ENTRY_LOAD_IA32_PAT | VMX_VM_ENTRY_LOAD_IA32_EFER, + /* + * missing: MSR_VMX_MISC_ACTIVITY_SHUTDOWN, + * MSR_VMX_MISC_ACTIVITY_WAIT_SIPI + */ + .features[FEAT_VMX_MISC] = + MSR_VMX_MISC_STORE_LMA | MSR_VMX_MISC_ACTIVITY_HLT | + MSR_VMX_MISC_VMWRITE_VMEXIT, + /* missing: MSR_VMX_EPT_UC */ + .features[FEAT_VMX_EPT_VPID_CAPS] = + MSR_VMX_EPT_EXECONLY | MSR_VMX_EPT_PAGE_WALK_LENGTH_4 | + MSR_VMX_EPT_WB | MSR_VMX_EPT_2MB | MSR_VMX_EPT_1GB | + MSR_VMX_EPT_INVEPT | MSR_VMX_EPT_AD_BITS | + MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT | MSR_VMX_EPT_INVEPT_ALL_CONTEXT | + MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT | MSR_VMX_EPT_INVVPID | + MSR_VMX_EPT_INVVPID_ALL_CONTEXT | MSR_VMX_EPT_INVVPID_SINGLE_ADDR | + MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS, + .features[FEAT_VMX_BASIC] = + MSR_VMX_BASIC_INS_OUTS | MSR_VMX_BASIC_TRUE_CTLS, + .features[FEAT_VMX_VMFUNC] = MSR_VMX_VMFUNC_EPT_SWITCHING, + .xlevel = 0x80000008, + .model_id = "Zhaoxin YongFeng Processor", + }, }; /* From patchwork Mon Aug 12 10:14:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: EwanHai X-Patchwork-Id: 13760394 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id D391EC52D7C for ; Mon, 12 Aug 2024 10:22:23 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sdSB0-0005uR-1M; Mon, 12 Aug 2024 06:21:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sdSAy-0005pb-OS for 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([fe80::dcd1:d46d:263:77e%7]) with mapi id 15.01.2507.039; Mon, 12 Aug 2024 18:21:14 +0800 X-Barracuda-RBL-Trusted-Forwarder: 10.28.252.165 Received: from ewan-server.zhaoxin.com (10.28.66.62) by zxbjmbx1.zhaoxin.com (10.29.252.163) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Mon, 12 Aug 2024 18:14:37 +0800 From: EwanHai To: , , CC: , , , , , , Subject: [PATCH v4 4/4] target/i386: Mask CMPLegacy bit in CPUID[0x80000001].ECX for Zhaoxin CPUs Date: Mon, 12 Aug 2024 06:14:34 -0400 X-ASG-Orig-Subj: [PATCH v4 4/4] target/i386: Mask CMPLegacy bit in CPUID[0x80000001].ECX for Zhaoxin CPUs Message-ID: <20240812101434.3804790-5-ewanhai-oc@zhaoxin.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240812101434.3804790-1-ewanhai-oc@zhaoxin.com> References: <20240812101434.3804790-1-ewanhai-oc@zhaoxin.com> MIME-Version: 1.0 X-Originating-IP: [10.28.66.62] X-ClientProxiedBy: zxbjmbx1.zhaoxin.com (10.29.252.163) To zxbjmbx1.zhaoxin.com (10.29.252.163) X-Moderation-Data: 8/12/2024 6:21:13 PM X-Barracuda-Connect: ZXSHMBX3.zhaoxin.com[10.28.252.165] X-Barracuda-Start-Time: 1723458075 X-Barracuda-Encrypted: ECDHE-RSA-AES128-GCM-SHA256 X-Barracuda-URL: https://10.28.252.36:4443/cgi-mod/mark.cgi X-Virus-Scanned: by bsmtpd at zhaoxin.com X-Barracuda-Scan-Msg-Size: 2287 X-Barracuda-BRTS-Status: 1 X-Barracuda-Bayes: INNOCENT GLOBAL 0.0000 1.0000 -2.0210 X-Barracuda-Spam-Score: -2.02 X-Barracuda-Spam-Status: No, SCORE=-2.02 using global scores of TAG_LEVEL=1000.0 QUARANTINE_LEVEL=1000.0 KILL_LEVEL=9.0 tests= X-Barracuda-Spam-Report: Code version 3.2, rules version 3.2.3.128930 Rule breakdown below pts rule name description ---- ---------------------- -------------------------------------------------- Received-SPF: pass client-ip=203.110.167.99; envelope-from=EwanHai-oc@zhaoxin.com; helo=mx2.zhaoxin.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Zhaoxin CPUs (including vendors "Shanghai" and "Centaurhauls") handle the CMPLegacy bit similarly to Intel CPUs. Therefore, this commit masks the CMPLegacy bit in CPUID[0x80000001].ECX for Zhaoxin CPUs, just as it is done for Intel CPUs. AMD uses the CMPLegacy bit (CPUID[0x80000001].ECX.bit1) along with other CPUID information to enumerate platform topology (e.g., the number of logical processors per package). However, for Intel and other CPUs that follow Intel's behavior, CPUID[0x80000001].ECX.bit1 is reserved. - Impact on Intel and similar CPUs: This change has no effect on Intel and similar CPUs, as the goal is to accurately emulate CPU CPUID information. - Impact on Linux Guests running on Intel (and similar) vCPUs: During boot, Linux checks if the CPU supports Hyper-Threading. For the Linux kernel before v6.9, if it detects X86_FEATURE_CMP_LEGACY, it assumes Hyper-Threading is not supported. For Intel and similar vCPUs, if the CMPLegacy bit is not masked in CPUID[0x80000001].ECX, Linux will incorrectly assume that Hyper-Threading is not supported, even if the vCPU does support it. Signed-off-by: EwanHai Reviewed-by: Zhao Liu --- target/i386/cpu.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/target/i386/cpu.c b/target/i386/cpu.c index 95849c40ad..eb55d92e8a 100644 --- a/target/i386/cpu.c +++ b/target/i386/cpu.c @@ -6995,12 +6995,11 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, /* The Linux kernel checks for the CMPLegacy bit and * discards multiple thread information if it is set. - * So don't set it here for Intel to make Linux guests happy. + * So don't set it here for Intel(and other processors + * following Intel's behavior) to make Linux guests happy. */ if (threads_per_pkg > 1) { - if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 || - env->cpuid_vendor2 != CPUID_VENDOR_INTEL_2 || - env->cpuid_vendor3 != CPUID_VENDOR_INTEL_3) { + if (!IS_INTEL_CPU(env) && !IS_ZHAOXIN_CPU(env)) { *ecx |= 1 << 1; /* CmpLegacy bit */ } }