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import unittest
from cpuinfo import *
import helpers
class MockASM(ASM):
is_first = False
def __init__(self, restype=None, argtypes=(), machine_code=[]):
super(MockASM, self).__init__(restype, argtypes, machine_code)
def compile(self):
self.func = self.run
def run(self):
machine_code = tuple(self.machine_code)
# get_max_extension_support
if machine_code == \
(b"\xB8\x00\x00\x00\x80" # mov ax,0x80000000
b"\x0f\xa2" # cpuid
b"\xC3",): # ret
return 0x8000001f
# get_cache
if machine_code == \
(b"\xB8\x06\x00\x00\x80" # mov ax,0x80000006
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3",): # ret))
return 0x2006140
# get_info
if machine_code == \
(b"\xB8\x01\x00\x00\x00", # mov eax,0x1"
b"\x0f\xa2" # cpuid
b"\xC3",): # ret
return 0x800f82
# get_processor_brand
if machine_code == \
(b"\xB8\x02\x00\x00\x80", # mov ax,0x80000002
b"\x0f\xa2" # cpuid
b"\x89\xC0" # mov ax,ax
b"\xC3",): # ret
return 0x20444d41
elif machine_code == \
(b"\xB8\x02\x00\x00\x80", # mov ax,0x80000002
b"\x0f\xa2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3",): # ret
return 0x657a7952
elif machine_code == \
(b"\xB8\x02\x00\x00\x80", # mov ax,0x80000002
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3",): # ret
return 0x2037206e
elif machine_code == \
(b"\xB8\x02\x00\x00\x80", # mov ax,0x80000002
b"\x0f\xa2" # cpuid
b"\x89\xD0" # mov ax,dx
b"\xC3",): # ret
return 0x30303732
elif machine_code == \
(b"\xB8\x03\x00\x00\x80", # mov ax,0x80000003
b"\x0f\xa2" # cpuid
b"\x89\xC0" # mov ax,ax
b"\xC3",): # ret
return 0x69452058
elif machine_code == \
(b"\xB8\x03\x00\x00\x80", # mov ax,0x80000003
b"\x0f\xa2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3",): # ret
return 0x2d746867
elif machine_code == \
(b"\xB8\x03\x00\x00\x80", # mov ax,0x80000003
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3",): # ret
return 0x65726f43
elif machine_code == \
(b"\xB8\x03\x00\x00\x80", # mov ax,0x80000003
b"\x0f\xa2" # cpuid
b"\x89\xD0" # mov ax,dx
b"\xC3",): # ret
return 0x6f725020
elif machine_code == \
(b"\xB8\x04\x00\x00\x80", # mov ax,0x80000004
b"\x0f\xa2" # cpuid
b"\x89\xC0" # mov ax,ax
b"\xC3",): # ret
return 0x73736563
elif machine_code == \
(b"\xB8\x04\x00\x00\x80", # mov ax,0x80000004
b"\x0f\xa2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3",): # ret
return 0x2020726f
elif machine_code == \
(b"\xB8\x04\x00\x00\x80", # mov ax,0x80000004
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3",): # ret
return 0x20202020
elif machine_code == \
(b"\xB8\x04\x00\x00\x80", # mov ax,0x80000004
b"\x0f\xa2" # cpuid
b"\x89\xD0" # mov ax,dx
b"\xC3",): # ret
return 0x202020
# get_vendor_id
if machine_code == \
(b"\x31\xC0", # xor eax,eax
b"\x0F\xA2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3",): # ret
return 0x68747541
elif machine_code == \
(b"\x31\xC0", # xor eax,eax
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3",): # ret
return 0x444d4163
elif machine_code == \
(b"\x31\xC0", # xor eax,eax
b"\x0f\xa2" # cpuid
b"\x89\xD0" # mov ax,dx
b"\xC3",): # ret
return 0x69746e65
# get_flags
if machine_code == \
(b"\xB8\x01\x00\x00\x00", # mov eax,0x1"
b"\x0f\xa2" # cpuid
b"\x89\xD0" # mov ax,dx
b"\xC3",): # ret
return 0x178bfbff
elif machine_code == \
(b"\xB8\x01\x00\x00\x00", # mov eax,0x1"
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3",): # ret
return 0x7ed8320b
elif machine_code == \
(b"\x31\xC9", # xor ecx,ecx
b"\xB8\x07\x00\x00\x00" # mov eax,7
b"\x0f\xa2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3",): # ret
return 0x209c01a9
elif machine_code == \
(b"\x31\xC9", # xor ecx,ecx
b"\xB8\x07\x00\x00\x00" # mov eax,7
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3",): # ret
return 0x0
elif machine_code == \
(b"\xB8\x01\x00\x00\x80" # mov ax,0x80000001
b"\x0f\xa2" # cpuid
b"\x89\xD8" # mov ax,bx
b"\xC3",): # ret
return 0x20000000
elif machine_code == \
(b"\xB8\x01\x00\x00\x80" # mov ax,0x80000001
b"\x0f\xa2" # cpuid
b"\x89\xC8" # mov ax,cx
b"\xC3",): # ret
return 0x35c233ff
# get_ticks
# 32 bit
if machine_code == \
(b"\x55", # push bp
b"\x89\xE5", # mov bp,sp
b"\x31\xC0", # xor ax,ax
b"\x0F\xA2", # cpuid
b"\x0F\x31", # rdtsc
b"\x8B\x5D\x08", # mov bx,[di+0x8]
b"\x8B\x4D\x0C", # mov cx,[di+0xc]
b"\x89\x13", # mov [bp+di],dx
b"\x89\x01", # mov [bx+di],ax
b"\x5D", # pop bp
b"\xC3",): # ret
raise Exception("FIXME: Add ticks for 32bit get_ticks")
# 64 bit
elif machine_code == \
(b"\x48", # dec ax
b"\x31\xC0", # xor ax,ax
b"\x0F\xA2", # cpuid
b"\x0F\x31", # rdtsc
b"\x48", # dec ax
b"\xC1\xE2\x20", # shl dx,byte 0x20
b"\x48", # dec ax
b"\x09\xD0", # or ax,dx
b"\xC3",): # ret
MockASM.is_first = not MockASM.is_first
if MockASM.is_first:
return 19233706151817
else:
return 19237434253761
raise Exception("Unexpected machine code")
def free(self):
self.func = None
class MockDataSource:
bits = '64bit'
cpu_count = 1
is_windows = platform.system().lower() == 'windows'
arch_string_raw = 'INVALID'
uname_string_raw = 'INVALID'
can_cpuid = True
class TestCPUID(unittest.TestCase):
def setUp(self):
helpers.backup_data_source(cpuinfo)
helpers.monkey_patch_data_source(cpuinfo, MockDataSource)
helpers.backup_asm(cpuinfo)
helpers.monkey_patch_asm(cpuinfo, MockASM)
def tearDown(self):
helpers.restore_data_source(cpuinfo)
helpers.restore_asm(cpuinfo)
# Make sure this returns {} on an invalid arch
def test_return_empty(self):
self.assertEqual({}, cpuinfo._get_cpu_info_from_cpuid())
def test_normal(self):
cpuid = CPUID()
self.assertIsNotNone(cpuid)
self.assertFalse(cpuid.is_selinux_enforcing)
max_extension_support = cpuid.get_max_extension_support()
self.assertEqual(0x8000001f, max_extension_support)
cache_info = cpuid.get_cache(max_extension_support)
self.assertEqual({'size_b': 64 * 1024, 'line_size_b': 512, 'associativity': 6}, cache_info)
info = cpuid.get_info()
self.assertEqual({'stepping': 2, 'model': 8, 'family': 23, 'processor_type': 0}, info)
processor_brand = cpuid.get_processor_brand(max_extension_support)
self.assertEqual("AMD Ryzen 7 2700X Eight-Core Processor", processor_brand)
hz_actual = cpuid.get_raw_hz()
self.assertEqual(3728101944, hz_actual)
vendor_id = cpuid.get_vendor_id()
self.assertEqual('AuthenticAMD', vendor_id)
flags = cpuid.get_flags(max_extension_support)
self.assertEqual(
['3dnowprefetch', 'abm', 'adx', 'aes', 'apic', 'avx', 'avx2', 'bmi1',
'bmi2', 'clflush', 'clflushopt', 'cmov', 'cmp_legacy', 'cr8_legacy',
'cx16', 'cx8', 'dbx', 'de', 'extapic', 'f16c', 'fma', 'fpu', 'fxsr',
'ht', 'lahf_lm', 'lm', 'mca', 'mce', 'misalignsse', 'mmx', 'monitor',
'movbe', 'msr', 'mtrr', 'osvw', 'osxsave', 'pae', 'pat', 'pci_l2i',
'pclmulqdq', 'perfctr_core', 'perfctr_nb', 'pge', 'pni', 'popcnt',
'pse', 'pse36', 'rdrnd', 'rdseed', 'sep', 'sha', 'skinit', 'smap',
'smep', 'sse', 'sse2', 'sse4_1', 'sse4_2', 'sse4a', 'ssse3', 'svm',
'tce', 'topoext', 'tsc', 'vme', 'wdt', 'xsave'
], flags)
|
