diff --git a/tests/cputestdata/cpu-convert.py b/tests/cputestdata/cpu-convert.py
new file mode 100755
index 0000000000000000000000000000000000000000..898d42f107b4b121336ac115dc246e82ba59f030
--- /dev/null
+++ b/tests/cputestdata/cpu-convert.py
@@ -0,0 +1,249 @@
+#!/usr/bin/python2
+
+import sys
+import json
+
+# This is a list of x86 CPU features as of QEMU 2.8.50 and it won't need any
+# updates since in the future because query-cpu-model-expansion will be used
+# with newer QEMU.
+cpuidMap = [
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000001, "edx": 0, "names": ["pni", "sse3"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000002, "edx": 0, "names": ["pclmulqdq", "pclmuldq"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000004, "edx": 0, "names": ["dtes64"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000008, "edx": 0, "names": ["monitor"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000010, "edx": 0, "names": ["ds-cpl", "ds_cpl"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000020, "edx": 0, "names": ["vmx"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000040, "edx": 0, "names": ["smx"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000080, "edx": 0, "names": ["est"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000100, "edx": 0, "names": ["tm2"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000200, "edx": 0, "names": ["ssse3"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000400, "edx": 0, "names": ["cid"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00001000, "edx": 0, "names": ["fma"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00002000, "edx": 0, "names": ["cx16"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00004000, "edx": 0, "names": ["xtpr"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00008000, "edx": 0, "names": ["pdcm"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00020000, "edx": 0, "names": ["pcid"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00040000, "edx": 0, "names": ["dca"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00080000, "edx": 0, "names": ["sse4.1", "sse4-1", "sse4_1"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00100000, "edx": 0, "names": ["sse4.2", "sse4-2", "sse4_2"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00200000, "edx": 0, "names": ["x2apic"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00400000, "edx": 0, "names": ["movbe"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00800000, "edx": 0, "names": ["popcnt"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x01000000, "edx": 0, "names": ["tsc-deadline"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x02000000, "edx": 0, "names": ["aes"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x04000000, "edx": 0, "names": ["xsave"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x08000000, "edx": 0, "names": ["osxsave"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x10000000, "edx": 0, "names": ["avx"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x20000000, "edx": 0, "names": ["f16c"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x40000000, "edx": 0, "names": ["rdrand"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x80000000, "edx": 0, "names": ["hypervisor"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000001, "names": ["fpu"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000002, "names": ["vme"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000004, "names": ["de"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000008, "names": ["pse"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000010, "names": ["tsc"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000020, "names": ["msr"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000040, "names": ["pae"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000080, "names": ["mce"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000100, "names": ["cx8"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000200, "names": ["apic"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000800, "names": ["sep"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00001000, "names": ["mtrr"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00002000, "names": ["pge"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00004000, "names": ["mca"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00008000, "names": ["cmov"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00010000, "names": ["pat"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00020000, "names": ["pse36"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00040000, "names": ["pn"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00080000, "names": ["clflush"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00200000, "names": ["ds"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00400000, "names": ["acpi"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00800000, "names": ["mmx"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x01000000, "names": ["fxsr"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x02000000, "names": ["sse"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x04000000, "names": ["sse2"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x08000000, "names": ["ss"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x10000000, "names": ["ht"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x20000000, "names": ["tm"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x40000000, "names": ["ia64"]},
+    {"in_eax": 0x00000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x80000000, "names": ["pbe"]},
+    {"in_eax": 0x00000006, "in_ecx": 0, "eax": 0x00000004, "ebx": 0, "ecx": 0, "edx": 0, "names": ["arat"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000001, "ecx": 0, "edx": 0, "names": ["fsgsbase"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000002, "ecx": 0, "edx": 0, "names": ["tsc-adjust", "tsc_adjust"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000008, "ecx": 0, "edx": 0, "names": ["bmi1"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000010, "ecx": 0, "edx": 0, "names": ["hle"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000020, "ecx": 0, "edx": 0, "names": ["avx2"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000080, "ecx": 0, "edx": 0, "names": ["smep"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000100, "ecx": 0, "edx": 0, "names": ["bmi2"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000200, "ecx": 0, "edx": 0, "names": ["erms"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000400, "ecx": 0, "edx": 0, "names": ["invpcid"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00000800, "ecx": 0, "edx": 0, "names": ["rtm"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00004000, "ecx": 0, "edx": 0, "names": ["mpx"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00010000, "ecx": 0, "edx": 0, "names": ["avx512f"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00020000, "ecx": 0, "edx": 0, "names": ["avx512dq"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00040000, "ecx": 0, "edx": 0, "names": ["rdseed"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00080000, "ecx": 0, "edx": 0, "names": ["adx"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00100000, "ecx": 0, "edx": 0, "names": ["smap"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00200000, "ecx": 0, "edx": 0, "names": ["avx512ifma"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00400000, "ecx": 0, "edx": 0, "names": ["pcommit"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x00800000, "ecx": 0, "edx": 0, "names": ["clflushopt"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x01000000, "ecx": 0, "edx": 0, "names": ["clwb"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x04000000, "ecx": 0, "edx": 0, "names": ["avx512pf"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x08000000, "ecx": 0, "edx": 0, "names": ["avx512er"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x10000000, "ecx": 0, "edx": 0, "names": ["avx512cd"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x20000000, "ecx": 0, "edx": 0, "names": ["sha-ni"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x40000000, "ecx": 0, "edx": 0, "names": ["avx512bw"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0x80000000, "ecx": 0, "edx": 0, "names": ["avx512vl"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000002, "edx": 0, "names": ["avx512vbmi"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000004, "edx": 0, "names": ["umip"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000008, "edx": 0, "names": ["pku"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000010, "edx": 0, "names": ["ospke"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00004000, "edx": 0, "names": ["avx512-vpopcntdq"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00010000, "edx": 0, "names": ["la57"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00400000, "edx": 0, "names": ["rdpid"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000004, "names": ["avx512-4vnniw"]},
+    {"in_eax": 0x00000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000008, "names": ["avx512-4fmaps"]},
+    {"in_eax": 0x0000000d, "in_ecx": 1, "eax": 0x00000001, "ebx": 0, "ecx": 0, "edx": 0, "names": ["xsaveopt"]},
+    {"in_eax": 0x0000000d, "in_ecx": 1, "eax": 0x00000002, "ebx": 0, "ecx": 0, "edx": 0, "names": ["xsavec"]},
+    {"in_eax": 0x0000000d, "in_ecx": 1, "eax": 0x00000004, "ebx": 0, "ecx": 0, "edx": 0, "names": ["xgetbv1"]},
+    {"in_eax": 0x0000000d, "in_ecx": 1, "eax": 0x00000008, "ebx": 0, "ecx": 0, "edx": 0, "names": ["xsaves"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x00000001, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvmclock"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x00000002, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvm-nopiodelay", "kvm_nopiodelay"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x00000004, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvm-mmu", "kvm_mmu"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x00000008, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvmclock"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x00000010, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvm-asyncpf", "kvm_asyncpf"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x00000020, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvm-steal-time", "kvm_steal_time"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x00000040, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvm-pv-eoi", "kvm_pv_eoi"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x00000080, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvm-pv-unhalt", "kvm_pv_unhalt"]},
+    {"in_eax": 0x40000001, "in_ecx": 0, "eax": 0x01000000, "ebx": 0, "ecx": 0, "edx": 0, "names": ["kvmclock-stable-bit"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000001, "edx": 0, "names": ["lahf-lm", "lahf_lm"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000002, "edx": 0, "names": ["cmp-legacy", "cmp_legacy"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000004, "edx": 0, "names": ["svm"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000008, "edx": 0, "names": ["extapic"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000010, "edx": 0, "names": ["cr8legacy"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000020, "edx": 0, "names": ["abm"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000040, "edx": 0, "names": ["sse4a"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000080, "edx": 0, "names": ["misalignsse"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000100, "edx": 0, "names": ["3dnowprefetch"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000200, "edx": 0, "names": ["osvw"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000400, "edx": 0, "names": ["ibs"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00000800, "edx": 0, "names": ["xop"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00001000, "edx": 0, "names": ["skinit"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00002000, "edx": 0, "names": ["wdt"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00008000, "edx": 0, "names": ["lwp"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00010000, "edx": 0, "names": ["fma4"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00020000, "edx": 0, "names": ["tce"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00080000, "edx": 0, "names": ["nodeid-msr", "nodeid_msr"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00200000, "edx": 0, "names": ["tbm"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00400000, "edx": 0, "names": ["topoext"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x00800000, "edx": 0, "names": ["perfctr-core", "perfctr_core"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0x01000000, "edx": 0, "names": ["perfctr-nb", "perfctr_nb"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000800, "names": ["syscall"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00100000, "names": ["nx", "xd"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00400000, "names": ["mmxext"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x02000000, "names": ["fxsr-opt", "ffxsr", "fxsr_opt"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x04000000, "names": ["pdpe1gb"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x08000000, "names": ["rdtscp"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x20000000, "names": ["lm", "i64"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x40000000, "names": ["3dnowext"]},
+    {"in_eax": 0x80000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x80000000, "names": ["3dnow"]},
+    {"in_eax": 0x80000007, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000100, "names": ["invtsc"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000001, "names": ["npt"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000002, "names": ["lbrv"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000004, "names": ["svm-lock", "svm_lock"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000008, "names": ["nrip-save", "nrip_save"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000010, "names": ["tsc-scale", "tsc_scale"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000020, "names": ["vmcb-clean", "vmcb_clean"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000040, "names": ["flushbyasid"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000080, "names": ["decodeassists"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000400, "names": ["pause-filter", "pause_filter"]},
+    {"in_eax": 0x8000000A, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00001000, "names": ["pfthreshold"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000004, "names": ["xstore"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000008, "names": ["xstore-en"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000040, "names": ["xcrypt"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000080, "names": ["xcrypt-en"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000100, "names": ["ace2"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000200, "names": ["ace2-en"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000400, "names": ["phe"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00000800, "names": ["phe-en"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00001000, "names": ["pmm"]},
+    {"in_eax": 0xC0000001, "in_ecx": 0, "eax": 0, "ebx": 0, "ecx": 0, "edx": 0x00002000, "names": ["pmm-en"]},
+]
+
+
+def parseFeatureWords(path):
+    features = None
+
+    with open(path, "r") as f:
+        s = f.read()
+
+    props = {}
+    for i in range(5):
+        (data, pos) = dec.raw_decode(s)
+        if i == 0:
+            features = data["return"]
+        else:
+            keys = ["family", "model", "stepping", "model-id"]
+            props[keys[i - 1]] = data["return"]
+
+        while pos < len(s) and s[pos] != "{":
+            pos += 1
+        s = s[pos:]
+
+    if props["model-id"].find("Intel") != -1:
+        props["vendor"] = "GenuineIntel"
+    elif props["model-id"].find("AMD") != -1:
+        props["vendor"] = "AuthenticAMD"
+
+    cpuid = {}
+    for feat in features:
+        in_eax = feat["cpuid-input-eax"]
+        in_ecx = 0
+        if "cpuid-input-ecx" in feat:
+            in_ecx = feat["cpuid-input-ecx"]
+
+        if in_eax not in cpuid:
+            cpuid[in_eax] = {}
+        leaf = cpuid[in_eax]
+
+        if in_ecx not in leaf:
+            leaf[in_ecx] = {"eax": 0, "ebx": 0, "ecx": 0, "edx": 0}
+        leaf = leaf[in_ecx]
+
+        leaf[feat["cpuid-register"].lower()] = feat["features"]
+
+    return props, cpuid
+
+
+def propAdd(props, feature, value):
+    for name in feature["names"]:
+        props[name] = value
+
+
+dec = json.JSONDecoder()
+
+for path in sys.argv[1:]:
+    props, cpuid = parseFeatureWords(path)
+
+    for feature in cpuidMap:
+        in_eax = feature["in_eax"]
+        in_ecx = feature["in_ecx"]
+        eax = feature["eax"]
+        ebx = feature["ebx"]
+        ecx = feature["ecx"]
+        edx = feature["edx"]
+
+        if in_eax not in cpuid or in_ecx not in cpuid[in_eax]:
+            propAdd(props, feature, False)
+        else:
+            leaf = cpuid[in_eax][in_ecx]
+            propAdd(props, feature, ((eax > 0 and leaf["eax"] & eax > 0) or
+                                     (ebx > 0 and leaf["ebx"] & ebx > 0) or
+                                     (ecx > 0 and leaf["ecx"] & ecx > 0) or
+                                     (edx > 0 and leaf["edx"] & edx > 0)))
+
+    with open(path, "w") as f:
+        json.dump({"return": {"model": {"name": "base", "props": props}},
+                   "id": "model-expansion"},
+                  f, indent = 2, separators = (',', ': '))
+        f.write("\n")
diff --git a/tests/cputestdata/cpu-gather.sh b/tests/cputestdata/cpu-gather.sh
index c8439a661b1f27c751d522d0352dd439b856465a..83963557ec4075d351be09e17994ac5300bc5d1f 100755
--- a/tests/cputestdata/cpu-gather.sh
+++ b/tests/cputestdata/cpu-gather.sh
@@ -24,12 +24,39 @@ qom_get()
          '"property":"'$1'"},"id":"'$1'"}'
 }
 
+model_expansion()
+{
+    mode=$1
+    model=$2
+
+    echo '{"execute":"query-cpu-model-expansion","arguments":' \
+         '{"type":"'"$mode"'","model":'"$model"'},"id":"model-expansion"}'
+}
+
+model=$(
+    $qemu -machine accel=kvm -cpu host -nodefaults -nographic -qmp stdio <<EOF
+{"execute":"qmp_capabilities"}
+$(model_expansion static '{"name":"host"}')
+{"execute":"quit"}
+EOF
+)
+model=$(
+    echo "$model" | \
+    sed -ne 's/^{"return": {"model": {\(.*{.*}\)}}, .*/{\1}/p'
+)
+
 $qemu -machine accel=kvm -cpu host -nodefaults -nographic -qmp stdio <<EOF
 {"execute":"qmp_capabilities"}
-`qom_get feature-words`
-`qom_get family`
-`qom_get model`
-`qom_get stepping`
-`qom_get model-id`
+$(
+    if [ "x$model" != x ]; then
+        model_expansion full "$model"
+    else
+        qom_get feature-words
+        qom_get family
+        qom_get model
+        qom_get stepping
+        qom_get model-id
+    fi
+)
 {"execute":"quit"}
 EOF
diff --git a/tests/cputestdata/cpu-parse.sh b/tests/cputestdata/cpu-parse.sh
index 3db401daaa079c08531a4fce9ba1ba938f37487e..86bcb030d14839ed3c395af26170c455e606e595 100755
--- a/tests/cputestdata/cpu-parse.sh
+++ b/tests/cputestdata/cpu-parse.sh
@@ -52,6 +52,9 @@ echo $fname.xml
 json <<<"$data" >$fname.json
 if [[ -s $fname.json ]]; then
     echo $fname.json
+    if ! grep -q model-expansion $fname.json; then
+        $(dirname $0)/cpu-convert.py $fname.json
+    fi
 else
     rm $fname.json
 fi