/
sync_qemu_models_i386.py
executable file
·556 lines (486 loc) · 20.6 KB
/
sync_qemu_models_i386.py
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#!/usr/bin/env python3
import argparse
import copy
import os
import re
import xml.etree.ElementTree
import lark
def translate_vendor(name):
T = {
"CPUID_VENDOR_AMD": "AMD",
"CPUID_VENDOR_INTEL": "Intel",
"CPUID_VENDOR_HYGON": "Hygon",
}
if name in T:
return T[name]
print("warning: Unknown vendor '{}'".format(name))
return name
def translate_feature(name):
T = {
"CPUID_6_EAX_ARAT": "arat",
"CPUID_7_0_EBX_ADX": "adx",
"CPUID_7_0_EBX_AVX2": "avx2",
"CPUID_7_0_EBX_AVX512BW": "avx512bw",
"CPUID_7_0_EBX_AVX512CD": "avx512cd",
"CPUID_7_0_EBX_AVX512DQ": "avx512dq",
"CPUID_7_0_EBX_AVX512ER": "avx512er",
"CPUID_7_0_EBX_AVX512F": "avx512f",
"CPUID_7_0_EBX_AVX512IFMA": "avx512ifma",
"CPUID_7_0_EBX_AVX512PF": "avx512pf",
"CPUID_7_0_EBX_AVX512VL": "avx512vl",
"CPUID_7_0_EBX_BMI1": "bmi1",
"CPUID_7_0_EBX_BMI2": "bmi2",
"CPUID_7_0_EBX_CLFLUSHOPT": "clflushopt",
"CPUID_7_0_EBX_CLWB": "clwb",
"CPUID_7_0_EBX_ERMS": "erms",
"CPUID_7_0_EBX_FSGSBASE": "fsgsbase",
"CPUID_7_0_EBX_HLE": "hle",
"CPUID_7_0_EBX_INVPCID": "invpcid",
"CPUID_7_0_EBX_MPX": "mpx",
"CPUID_7_0_EBX_RDSEED": "rdseed",
"CPUID_7_0_EBX_RTM": "rtm",
"CPUID_7_0_EBX_SHA_NI": "sha-ni",
"CPUID_7_0_EBX_SMAP": "smap",
"CPUID_7_0_EBX_SMEP": "smep",
"CPUID_7_0_ECX_AVX512BITALG": "avx512bitalg",
"CPUID_7_0_ECX_AVX512VNNI": "avx512vnni",
"CPUID_7_0_ECX_AVX512_VBMI": "avx512vbmi",
"CPUID_7_0_ECX_AVX512_VBMI2": "avx512vbmi2",
"CPUID_7_0_ECX_AVX512_VPOPCNTDQ": "avx512-vpopcntdq",
"CPUID_7_0_ECX_BUS_LOCK_DETECT": "bus-lock-detect",
"CPUID_7_0_ECX_CLDEMOTE": "cldemote",
"CPUID_7_0_ECX_GFNI": "gfni",
"CPUID_7_0_ECX_LA57": "la57",
"CPUID_7_0_ECX_MOVDIR64B": "movdir64b",
"CPUID_7_0_ECX_MOVDIRI": "movdiri",
"CPUID_7_0_ECX_PKU": "pku",
"CPUID_7_0_ECX_RDPID": "rdpid",
"CPUID_7_0_ECX_UMIP": "umip",
"CPUID_7_0_ECX_VAES": "vaes",
"CPUID_7_0_ECX_VPCLMULQDQ": "vpclmulqdq",
"CPUID_7_0_EDX_AMX_BF16": "amx-bf16",
"CPUID_7_0_EDX_AMX_INT8": "amx-int8",
"CPUID_7_0_EDX_AMX_TILE": "amx-tile",
"CPUID_7_0_EDX_ARCH_CAPABILITIES": "arch-capabilities",
"CPUID_7_0_EDX_AVX512_4FMAPS": "avx512-4fmaps",
"CPUID_7_0_EDX_AVX512_4VNNIW": "avx512-4vnniw",
"CPUID_7_0_EDX_AVX512_FP16": "avx512-fp16",
"CPUID_7_0_EDX_CORE_CAPABILITY": "core-capability",
"CPUID_7_0_EDX_FSRM": "fsrm",
"CPUID_7_0_EDX_SERIALIZE": "serialize",
"CPUID_7_0_EDX_SPEC_CTRL": "spec-ctrl",
"CPUID_7_0_EDX_SPEC_CTRL_SSBD": "ssbd",
"CPUID_7_0_EDX_STIBP": "stibp",
"CPUID_7_0_EDX_TSX_LDTRK": "tsx-ldtrk",
"CPUID_7_1_EAX_AMX_FP16": "amx-fp16",
"CPUID_7_1_EAX_AVX512_BF16": "avx512-bf16",
"CPUID_7_1_EAX_AVX_VNNI": "avx-vnni",
"CPUID_7_1_EAX_FSRC": "fsrc",
"CPUID_7_1_EAX_FSRS": "fsrs",
"CPUID_7_1_EAX_FZRM": "fzrm",
"CPUID_7_1_EDX_PREFETCHITI": "prefetchiti",
"CPUID_7_2_EDX_MCDT_NO": "mcdt-no",
"CPUID_8000_0008_EBX_AMD_PSFD": "amd-psfd",
"CPUID_8000_0008_EBX_AMD_SSBD": "amd-ssbd",
"CPUID_8000_0008_EBX_CLZERO": "clzero",
"CPUID_8000_0008_EBX_IBPB": "ibpb",
"CPUID_8000_0008_EBX_IBRS": "ibrs",
"CPUID_8000_0008_EBX_STIBP": "amd-stibp",
"CPUID_8000_0008_EBX_STIBP_ALWAYS_ON": "stibp-always-on",
"CPUID_8000_0008_EBX_WBNOINVD": "wbnoinvd",
"CPUID_8000_0008_EBX_XSAVEERPTR": "xsaveerptr",
"CPUID_8000_0021_EAX_AUTO_IBRS": "auto-ibrs",
"CPUID_8000_0021_EAX_LFENCE_ALWAYS_SERIALIZING":
"lfence-always-serializing",
"CPUID_8000_0021_EAX_NULL_SEL_CLR_BASE": "null-sel-clr-base",
"CPUID_8000_0021_EAX_No_NESTED_DATA_BP": "no-nested-data-bp",
"CPUID_ACPI": "acpi",
"CPUID_APIC": "apic",
"CPUID_CLFLUSH": "clflush",
"CPUID_CMOV": "cmov",
"CPUID_CX8": "cx8",
"CPUID_DE": "de",
"CPUID_D_1_EAX_XFD": "xfd",
"CPUID_EXT2_3DNOW": "3dnow",
"CPUID_EXT2_3DNOWEXT": "3dnowext",
"CPUID_EXT2_FFXSR": "fxsr_opt",
"CPUID_EXT2_LM": "lm",
"CPUID_EXT2_MMXEXT": "mmxext",
"CPUID_EXT2_NX": "nx",
"CPUID_EXT2_PDPE1GB": "pdpe1gb",
"CPUID_EXT2_RDTSCP": "rdtscp",
"CPUID_EXT2_SYSCALL": "syscall",
"CPUID_EXT3_3DNOWPREFETCH": "3dnowprefetch",
"CPUID_EXT3_ABM": "abm",
"CPUID_EXT3_CR8LEG": "cr8legacy",
"CPUID_EXT3_FMA4": "fma4",
"CPUID_EXT3_LAHF_LM": "lahf_lm",
"CPUID_EXT3_MISALIGNSSE": "misalignsse",
"CPUID_EXT3_OSVW": "osvw",
"CPUID_EXT3_PERFCORE": "perfctr_core",
"CPUID_EXT3_SSE4A": "sse4a",
"CPUID_EXT3_SVM": "svm",
"CPUID_EXT3_TBM": "tbm",
"CPUID_EXT3_XOP": "xop",
"CPUID_EXT_AES": "aes",
"CPUID_EXT_AVX": "avx",
"CPUID_EXT_CX16": "cx16",
"CPUID_EXT_F16C": "f16c",
"CPUID_EXT_FMA": "fma",
"CPUID_EXT_MOVBE": "movbe",
"CPUID_EXT_PCID": "pcid",
"CPUID_EXT_PCLMULQDQ": "pclmuldq",
"CPUID_EXT_POPCNT": "popcnt",
"CPUID_EXT_RDRAND": "rdrand",
"CPUID_EXT_SSE3": "pni",
"CPUID_EXT_SSE41": "sse4.1",
"CPUID_EXT_SSE42": "sse4.2",
"CPUID_EXT_SSSE3": "ssse3",
"CPUID_EXT_TSC_DEADLINE_TIMER": "tsc-deadline",
"CPUID_EXT_X2APIC": "x2apic",
"CPUID_EXT_XSAVE": "xsave",
"CPUID_FP87": "fpu",
"CPUID_FXSR": "fxsr",
"CPUID_MCA": "mca",
"CPUID_MCE": "mce",
"CPUID_MMX": "mmx",
"CPUID_MSR": "msr",
"CPUID_MTRR": "mtrr",
"CPUID_PAE": "pae",
"CPUID_PAT": "pat",
"CPUID_PGE": "pge",
"CPUID_PSE": "pse",
"CPUID_PSE36": "pse36",
"CPUID_SEP": "sep",
"CPUID_SS": "ss",
"CPUID_SSE": "sse",
"CPUID_SSE2": "sse2",
"CPUID_SVM_NPT": "npt",
"CPUID_SVM_NRIPSAVE": "nrip-save",
"CPUID_SVM_SVME_ADDR_CHK": "svme-addr-chk",
"CPUID_SVM_VNMI": "vnmi",
"CPUID_TSC": "tsc",
"CPUID_VME": "vme",
"CPUID_XSAVE_XGETBV1": "xgetbv1",
"CPUID_XSAVE_XSAVEC": "xsavec",
"CPUID_XSAVE_XSAVEOPT": "xsaveopt",
"CPUID_XSAVE_XSAVES": "xsaves",
"MSR_ARCH_CAP_FBSDP_NO": "fbsdp-no",
"MSR_ARCH_CAP_IBRS_ALL": "ibrs-all",
"MSR_ARCH_CAP_MDS_NO": "mds-no",
"MSR_ARCH_CAP_PBRSB_NO": "pbrsb-no",
"MSR_ARCH_CAP_PSCHANGE_MC_NO": "pschange-mc-no",
"MSR_ARCH_CAP_PSDP_NO": "psdp-no",
"MSR_ARCH_CAP_RDCL_NO": "rdctl-no",
"MSR_ARCH_CAP_SBDR_SSDP_NO": "sbdr-ssdp-no",
"MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY": "skip-l1dfl-vmentry",
"MSR_ARCH_CAP_TAA_NO": "taa-no",
"MSR_CORE_CAP_SPLIT_LOCK_DETECT": "split-lock-detect",
# FEAT_VMX_PROCBASED_CTLS
"VMX_CPU_BASED_VIRTUAL_INTR_PENDING": "vmx-vintr-pending",
"VMX_CPU_BASED_USE_TSC_OFFSETING": "vmx-tsc-offset",
"VMX_CPU_BASED_HLT_EXITING": "vmx-hlt-exit",
"VMX_CPU_BASED_INVLPG_EXITING": "vmx-invlpg-exit",
"VMX_CPU_BASED_MWAIT_EXITING": "vmx-mwait-exit",
"VMX_CPU_BASED_RDPMC_EXITING": "vmx-rdpmc-exit",
"VMX_CPU_BASED_RDTSC_EXITING": "vmx-rdtsc-exit",
"VMX_CPU_BASED_CR3_LOAD_EXITING": "vmx-cr3-load-noexit",
"VMX_CPU_BASED_CR3_STORE_EXITING": "vmx-cr3-store-noexit",
"VMX_CPU_BASED_CR8_LOAD_EXITING": "vmx-cr8-load-exit",
"VMX_CPU_BASED_CR8_STORE_EXITING": "vmx-cr8-store-exit",
"VMX_CPU_BASED_TPR_SHADOW": "vmx-flexpriority",
"VMX_CPU_BASED_VIRTUAL_NMI_PENDING": "vmx-vnmi-pending",
"VMX_CPU_BASED_MOV_DR_EXITING": "vmx-movdr-exit",
"VMX_CPU_BASED_UNCOND_IO_EXITING": "vmx-io-exit",
"VMX_CPU_BASED_USE_IO_BITMAPS": "vmx-io-bitmap",
"VMX_CPU_BASED_MONITOR_TRAP_FLAG": "vmx-mtf",
"VMX_CPU_BASED_USE_MSR_BITMAPS": "vmx-msr-bitmap",
"VMX_CPU_BASED_MONITOR_EXITING": "vmx-monitor-exit",
"VMX_CPU_BASED_PAUSE_EXITING": "vmx-pause-exit",
"VMX_CPU_BASED_ACTIVATE_SECONDARY_CONTROLS": "vmx-secondary-ctls",
# FEAT_VMX_SECONDARY_CTLS
"VMX_SECONDARY_EXEC_VIRTUALIZE_APIC_ACCESSES": "vmx-apicv-xapic",
"VMX_SECONDARY_EXEC_ENABLE_EPT": "vmx-ept",
"VMX_SECONDARY_EXEC_DESC": "vmx-desc-exit",
"VMX_SECONDARY_EXEC_RDTSCP": "vmx-rdtscp-exit",
"VMX_SECONDARY_EXEC_VIRTUALIZE_X2APIC_MODE": "vmx-apicv-x2apic",
"VMX_SECONDARY_EXEC_ENABLE_VPID": "vmx-vpid",
"VMX_SECONDARY_EXEC_WBINVD_EXITING": "vmx-wbinvd-exit",
"VMX_SECONDARY_EXEC_UNRESTRICTED_GUEST": "vmx-unrestricted-guest",
"VMX_SECONDARY_EXEC_APIC_REGISTER_VIRT": "vmx-apicv-register",
"VMX_SECONDARY_EXEC_VIRTUAL_INTR_DELIVERY": "vmx-apicv-vid",
"VMX_SECONDARY_EXEC_PAUSE_LOOP_EXITING": "vmx-ple",
"VMX_SECONDARY_EXEC_RDRAND_EXITING": "vmx-rdrand-exit",
"VMX_SECONDARY_EXEC_ENABLE_INVPCID": "vmx-invpcid-exit",
"VMX_SECONDARY_EXEC_ENABLE_VMFUNC": "vmx-vmfunc",
"VMX_SECONDARY_EXEC_SHADOW_VMCS": "vmx-shadow-vmcs",
"VMX_SECONDARY_EXEC_ENCLS_EXITING": "vmx-encls-exit",
"VMX_SECONDARY_EXEC_RDSEED_EXITING": "vmx-rdseed-exit",
"VMX_SECONDARY_EXEC_ENABLE_PML": "vmx-pml",
"VMX_SECONDARY_EXEC_XSAVES": "vmx-xsaves",
"VMX_SECONDARY_EXEC_TSC_SCALING": "vmx-tsc-scaling",
"VMX_SECONDARY_EXEC_ENABLE_USER_WAIT_PAUSE": "vmx-enable-user-wait-pause",
# FEAT_VMX_PINBASED_CTLS
"VMX_PIN_BASED_EXT_INTR_MASK": "vmx-intr-exit",
"VMX_PIN_BASED_NMI_EXITING": "vmx-nmi-exit",
"VMX_PIN_BASED_VIRTUAL_NMIS": "vmx-vnmi",
"VMX_PIN_BASED_VMX_PREEMPTION_TIMER": "vmx-preemption-timer",
"VMX_PIN_BASED_POSTED_INTR": "vmx-posted-intr",
# FEAT_VMX_EXIT_CTLS
"VMX_VM_EXIT_SAVE_DEBUG_CONTROLS": "vmx-exit-nosave-debugctl",
"VMX_VM_EXIT_LOAD_IA32_PERF_GLOBAL_CTRL": "vmx-exit-load-perf-global-ctrl",
"VMX_VM_EXIT_ACK_INTR_ON_EXIT": "vmx-exit-ack-intr",
"VMX_VM_EXIT_SAVE_IA32_PAT": "vmx-exit-save-pat",
"VMX_VM_EXIT_LOAD_IA32_PAT": "vmx-exit-load-pat",
"VMX_VM_EXIT_SAVE_IA32_EFER": "vmx-exit-save-efer",
"VMX_VM_EXIT_LOAD_IA32_EFER": "vmx-exit-load-efer",
"VMX_VM_EXIT_SAVE_VMX_PREEMPTION_TIMER": "vmx-exit-save-preemption-timer",
"VMX_VM_EXIT_CLEAR_BNDCFGS": "vmx-exit-clear-bndcfgs",
"VMX_VM_EXIT_CLEAR_IA32_RTIT_CTL": "vmx-exit-clear-rtit-ctl",
"VMX_VM_EXIT_LOAD_IA32_PKRS": "vmx-exit-load-pkrs",
# FEAT_VMX_ENTRY_CTLS
"VMX_VM_ENTRY_LOAD_DEBUG_CONTROLS": "vmx-entry-noload-debugctl",
"VMX_VM_ENTRY_IA32E_MODE": "vmx-entry-ia32e-mode",
"VMX_VM_ENTRY_LOAD_IA32_PERF_GLOBAL_CTRL": "vmx-entry-load-perf-global-ctrl",
"VMX_VM_ENTRY_LOAD_IA32_PAT": "vmx-entry-load-pat",
"VMX_VM_ENTRY_LOAD_IA32_EFER": "vmx-entry-load-efer",
"VMX_VM_ENTRY_LOAD_BNDCFGS": "vmx-entry-load-bndcfgs",
"VMX_VM_ENTRY_LOAD_IA32_RTIT_CTL": "vmx-entry-load-rtit-ctl",
"VMX_VM_ENTRY_LOAD_IA32_PKRS": "vmx-entry-load-pkrs",
# FEAT_VMX_MISC
"MSR_VMX_MISC_STORE_LMA": "vmx-store-lma",
"MSR_VMX_MISC_ACTIVITY_HLT": "vmx-activity-hlt",
"MSR_VMX_MISC_ACTIVITY_SHUTDOWN": "vmx-activity-shutdown",
"MSR_VMX_MISC_ACTIVITY_WAIT_SIPI": "vmx-activity-wait-sipi",
"MSR_VMX_MISC_VMWRITE_VMEXIT": "vmx-vmwrite-vmexit-fields",
"MSR_VMX_MISC_ZERO_LEN_INJECT": "vmx-zero-len-inject",
# FEAT_VMX_EPT_VPID_CAPS
"MSR_VMX_EPT_EXECONLY": "vmx-ept-execonly",
"MSR_VMX_EPT_PAGE_WALK_LENGTH_4": "vmx-page-walk-4",
"MSR_VMX_EPT_PAGE_WALK_LENGTH_5": "vmx-page-walk-5",
"MSR_VMX_EPT_UC": "vmx-ept-uc",
"MSR_VMX_EPT_WB": "vmx-ept-wb",
"MSR_VMX_EPT_2MB": "vmx-ept-2mb",
"MSR_VMX_EPT_1GB": "vmx-ept-1gb",
"MSR_VMX_EPT_INVEPT": "vmx-invept",
"MSR_VMX_EPT_AD_BITS": "vmx-eptad",
"MSR_VMX_EPT_ADVANCED_VMEXIT_INFO": "vmx-ept-advanced-exitinfo",
"MSR_VMX_EPT_INVEPT_SINGLE_CONTEXT": "vmx-invept-single-context",
"MSR_VMX_EPT_INVEPT_ALL_CONTEXT": "vmx-invept-all-context",
"MSR_VMX_EPT_INVVPID": "vmx-invvpid",
"MSR_VMX_EPT_INVVPID_SINGLE_ADDR": "vmx-invvpid-single-addr",
"MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT": "vmx-invvpid-single-context",
"MSR_VMX_EPT_INVVPID_ALL_CONTEXT": "vmx-invvpid-all-context",
"MSR_VMX_EPT_INVVPID_SINGLE_CONTEXT_NOGLOBALS": "vmx-invvpid-single-context-noglobals",
# FEAT_VMX_BASIC
"MSR_VMX_BASIC_INS_OUTS": "vmx-ins-outs",
"MSR_VMX_BASIC_TRUE_CTLS": "vmx-true-ctls",
"MSR_VMX_BASIC_ANY_ERRCODE": "vmx-any-errcode",
# FEAT_VMX_VMFUNC
"MSR_VMX_VMFUNC_EPT_SWITCHING": "vmx-eptp-switching",
}
ignore = any([
name in ("0", "model", "model-id", "stepping"),
name in ("CPUID_EXT_MONITOR", "monitor"),
name in ("MSR_VMX_BASIC_DUAL_MONITOR", "dual-monitor"),
name in ("CPUID_EXT3_TOPOEXT", "topoext"),
])
if ignore:
return None
if name in T:
return T[name]
for v in T.values():
if name.replace("-", "_") == v.replace("-", "_"):
return v
print("warning: Unknown feature '{}'".format(name))
return name
def readline_cont(f):
"""Read one logical line from a file `f` i.e. continues lines that end in
a backslash."""
line = f.readline()
while line.endswith("\\\n"):
line = line[:-2] + " " + f.readline()
return line
def read_builtin_x86_defs(filename):
"""Extract content between begin_mark and end_mark from file `filename` as
string, while expanding shorthand macros like "I486_FEATURES"."""
begin_mark = re.compile(
"^static( const)? X86CPUDefinition builtin_x86_defs\\[\\] = {$")
end_mark = "};\n"
shorthand = re.compile("^#define ([A-Z0-9_]+_FEATURES) (.*)$")
lines = list()
shorthands = dict()
with open(filename, "rt") as f:
while True:
line = readline_cont(f)
if not line:
raise RuntimeError("begin mark not found")
match = begin_mark.match(line)
if match:
break
match = shorthand.match(line)
if match:
# TCG definitions are irrelevant for cpu models
newk = match.group(1)
if newk.startswith("TCG_"):
continue
# remove comments, whitespace and bit operators, effectively
# turning the bitfield into a list
newv = re.sub("([()|\t\n])|(/\\*.*?\\*/)", " ", match.group(2))
# resolve recursive shorthands
for k, v in shorthands.items():
newv = newv.replace(k, v)
shorthands[newk] = newv
while True:
line = readline_cont(f)
if line == end_mark:
break
if not line:
raise RuntimeError("end marker not found")
# apply shorthands
for k, v in shorthands.items():
line = line.replace(k, v)
lines.append(line)
return "".join(lines)
def transform(item):
"""Recursively transform a Lark syntax tree into python native objects."""
if isinstance(item, lark.lexer.Token):
return str(item)
if item.data == "list":
retval = list()
for child in item.children:
value = transform(child)
if value is None:
continue
retval.append(value)
return retval
if item.data == "map":
retval = dict()
for child in item.children:
if len(child.children) != 2:
raise RuntimeError("map entry with more than 2 elements")
key = transform(child.children[0])
value = transform(child.children[1])
if key is None:
raise RuntimeError("map entry with 'None' key")
if value is None:
continue
retval[key] = value
return retval
if item.data == "text":
retval = list()
for child in item.children:
value = transform(child)
if value is None:
continue
retval.append(value)
return " ".join(retval)
if item.data == "value":
if item.children:
raise RuntimeError("empty list is not empty")
return None
raise RuntimeError("unexpected item type")
def expand_model(model):
"""Expand a qemu cpu model description that has its feature split up into
different fields and may have differing versions into several libvirt-
friendly cpu models."""
result = {
"name": model.pop(".name"),
"vendor": translate_vendor(model.pop(".vendor")),
"features": set(),
"extra": dict()}
if ".family" in model and ".model" in model:
result["family"] = model.pop(".family")
result["model"] = model.pop(".model")
for k in [k for k in model if k.startswith(".features")]:
v = model.pop(k)
for feature in v.split():
translated = translate_feature(feature)
if translated:
result["features"].add(translated)
versions = model.pop(".versions", [])
for k, v in model.items():
result["extra"]["model" + k] = v
yield result
for version in versions:
result = copy.deepcopy(result)
result["name"] = version.pop(".alias", result["name"])
props = version.pop(".props", dict())
for k, v in props:
if k not in ("model-id", "stepping", "model"):
k = translate_feature(k)
if k is None:
continue
if v == "on":
result["features"].add(k)
elif v == "off" and k in result["features"]:
result["features"].remove(k)
else:
result["extra"]["property." + k] = v
for k, v in version.items():
result["extra"]["version" + k] = v
yield result
def output_model(f, model):
if model["extra"]:
f.write("<!-- extra info from qemu:\n")
for k, v in model["extra"].items():
f.write(" '{}': '{}'\n".format(k, v))
f.write("-->\n")
f.write("<cpus>\n")
f.write(" <model name='{}'>\n".format(model["name"]))
f.write(" <decode host='on' guest='on'/>\n")
f.write(" <signature family='{}' model='{}'/>\n".format(
model["family"], model["model"]))
f.write(" <vendor name='{}'/>\n".format(model["vendor"]))
for feature in sorted(model["features"]):
f.write(" <feature name='{}'/>\n".format(feature))
f.write(" </model>\n")
f.write("</cpus>\n")
def main():
parser = argparse.ArgumentParser(
description="Synchronize x86 cpu models from QEMU i386 target.")
parser.add_argument(
"cpufile",
help="Path to 'target/i386/cpu.c' file in the QEMU repository",
type=os.path.realpath)
parser.add_argument(
"outdir",
help="Path to 'src/cpu_map' directory in the libvirt repository",
type=os.path.realpath)
args = parser.parse_args()
builtin_x86_defs = read_builtin_x86_defs(args.cpufile)
ast = lark.Lark(r"""
list: value ( "," value )* ","?
map: keyvalue ( "," keyvalue )* ","?
keyvalue: IDENTIFIER "=" value
?value: text | "{" "}" | "{" list "}" | "{" map "}"
text: (IDENTIFIER | "\"" (/[^"]+/)? "\"")+
IDENTIFIER: /[\[\]\._&a-zA-Z0-9]/+
%ignore (" " | "\r" | "\n" | "\t" | "|" )+
%ignore "(" ( "X86CPUVersionDefinition" | "PropValue" ) "[])"
%ignore "//" /.*?/ "\n"
%ignore "/*" /(.|\n)*?/ "*/"
""", start="list").parse(builtin_x86_defs)
models_json = transform(ast)
models = list()
for model in models_json:
models.extend(expand_model(model))
for model in models:
name = os.path.join(args.outdir, "x86_{}.xml".format(model["name"]))
with open(name, "wt") as f:
output_model(f, model)
features = set()
for model in models:
features.update(model["features"])
try:
filename = os.path.join(args.outdir, "x86_features.xml")
dom = xml.etree.ElementTree.parse(filename)
known = [x.attrib["name"] for x in dom.getroot().iter("feature")]
unknown = [x for x in features if x not in known and x is not None]
except Exception as e:
unknown = []
print("warning: Unable to read libvirt x86_features.xml: {}".format(e))
for x in unknown:
print("warning: Feature unknown to libvirt: {}".format(x))
if __name__ == "__main__":
main()