diff --git a/qemu/target/i386/cpu.c b/qemu/target/i386/cpu.c
index 69d353e6..39989242 100644
--- a/qemu/target/i386/cpu.c
+++ b/qemu/target/i386/cpu.c
@@ -2416,6 +2416,67 @@ static X86CPUDefinition builtin_x86_defs[] = {
         },
         "Intel Xeon Processor (Skylake, IBRS)",
     },
+    {
+        "KnightsMill",
+        0xd, 0x80000008,
+        CPUID_VENDOR_INTEL,
+        6,
+        133,
+        0,
+        {
+        // FEAT_1_EDX
+            CPUID_VME | CPUID_SS | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR |
+            CPUID_MMX | 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_FP87,
+        // FEAT_1_ECX
+            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_F16C | CPUID_EXT_RDRAND,
+        // FEAT_7_0_EBX
+            CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_AVX2 |
+            CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS |
+            CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | CPUID_7_0_EBX_AVX512F |
+            CPUID_7_0_EBX_AVX512CD | CPUID_7_0_EBX_AVX512PF |
+            CPUID_7_0_EBX_AVX512ER,
+        // FEAT_7_0_ECX
+            CPUID_7_0_ECX_AVX512_VPOPCNTDQ,
+        // FEAT_7_0_EDX
+            CPUID_7_0_EDX_AVX512_4VNNIW | CPUID_7_0_EDX_AVX512_4FMAPS,
+        // FEAT_8000_0001_EDX
+            CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP |
+            CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
+        // FEAT_8000_0001_ECX
+            CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
+        // FEAT_8000_0007_EDX
+            0,
+        // FEAT_8000_0008_EBX
+            0,
+        // FEAT_C000_0001_EDX
+            0,
+        // FEAT_KVM
+            0,
+        // FEAT_KVM_HINTS
+            0,
+        // FEAT_HYPERV_EAX
+            0,
+        // FEAT_HYPERV_EBX
+            0,
+        // FEAT_HYPERV_EDX
+            0,
+        // FEAT_SVM
+            0,
+        // FEAT_XSAVE
+            CPUID_XSAVE_XSAVEOPT,
+        // FEAT_6_EAX
+            CPUID_6_EAX_ARAT,
+        },
+        "Intel Xeon Phi Processor (Knights Mill)",
+    },
     {
         "Opteron_G1",
         5, 0x80000008,