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 <ewanhai-oc@zhaoxin.com>
---
 target/i386/cpu.c | 124 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 124 insertions(+)

diff --git a/target/i386/cpu.c b/target/i386/cpu.c
index 914bef442c..50edff077e 100644
--- a/target/i386/cpu.c
+++ b/target/i386/cpu.c
@@ -5211,6 +5211,130 @@ 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_ZHAOXIN,
+        .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",
+    },
 };
 
 /*
-- 
2.34.1