acrn-hypervisor/misc/config_tools/board_inspector/cpuparser/cpuids.py
Junjie Mao 0f4275b041 board-inspector: collect address bits of processors
This patch updates the board inspector to collect the bits of physical and
linear addresses of the processors and generate this information to the
board XML for further uses at configuration phase.

Tracked-On: #6292
Signed-off-by: Junjie Mao <junjie.mao@intel.com>
2021-08-09 09:05:01 +08:00

759 lines
28 KiB
Python

# Copyright (C) 2021 Intel Corporation. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#
"""CPUID register decoding."""
from cpuparser.platformbase import CPUID, cpuidfield
import struct
EAX = 0
EBX = 1
ECX = 2
EDX = 3
class LEAF_0(CPUID):
"""Basic CPUID information including vendor and max supported basic leaf."""
leaf = 0x0
max_leaf = cpuidfield(EAX, 31, 0, doc="Highest value the CPUID recognizes for returning basic processor information")
@property
def vendor(self):
"""Vendor identification string"""
return struct.pack('III', self.regs.ebx, self.regs.edx, self.regs.ecx)
class LEAF_1(CPUID):
"""Basic CPUID Information
Contains version type, family, model, and stepping ID; brand index; CLFLUSH
line size; maximum number of addressable IDs for logical processors in the
physical package; initial APIC ID; and feature information"""
leaf = 0x1
stepping = cpuidfield(EAX, 3, 0, doc="Stepping ID")
model = cpuidfield(EAX, 7, 4, doc="Model")
family = cpuidfield(EAX, 11, 8, doc="Family ID")
processor_type = cpuidfield(EAX, 13, 12, doc="Processor Type")
ext_model = cpuidfield(EAX, 19, 16, doc="Extended Model ID")
ext_family = cpuidfield(EAX, 27, 20, doc="Extended Family ID")
brand_index = cpuidfield(EBX, 7, 0, doc="Brand index")
CLFLUSH_line_size = cpuidfield(EBX, 15, 8, doc="CLFLUSH instruction cache line size (in 8-byte words)")
max_logical_processor_ids = cpuidfield(EBX, 23, 16, doc="The maximum number of addressable IDs for logical processors in the physical package.")
initial_apic_id = cpuidfield(EBX, 31, 24, doc="Initial APIC ID")
sse3 = cpuidfield(ECX, 0, 0)
pclmulqdq = cpuidfield(ECX, 1, 1)
dtes64 = cpuidfield(ECX, 2, 2)
monitor = cpuidfield(ECX, 3, 3)
ds_cpl = cpuidfield(ECX, 4, 4)
vmx = cpuidfield(ECX, 5, 5)
smx = cpuidfield(ECX, 6, 6)
est = cpuidfield(ECX, 7, 7)
tm2 = cpuidfield(ECX, 8, 8)
ssse3 = cpuidfield(ECX, 9, 9)
cnxt_id = cpuidfield(ECX, 10, 10)
sdbg = cpuidfield(ECX, 11, 11)
fma = cpuidfield(ECX, 12, 12)
cmpxchg16b = cpuidfield(ECX, 13, 13)
xtpr = cpuidfield(ECX, 14, 14)
pdcm = cpuidfield(ECX, 15, 15)
pcid = cpuidfield(ECX, 17, 17)
dca = cpuidfield(ECX, 18, 18)
sse4_1 = cpuidfield(ECX, 19, 19)
sse4_2 = cpuidfield(ECX, 20, 20)
x2apic = cpuidfield(ECX, 21, 21)
movbe = cpuidfield(ECX, 22, 22)
popcnt = cpuidfield(ECX, 23, 23)
tsc_deadline = cpuidfield(ECX, 24, 24)
aes = cpuidfield(ECX, 25, 25)
xsave = cpuidfield(ECX, 26, 26)
osxsave = cpuidfield(ECX, 27, 27)
avx = cpuidfield(ECX, 28, 28)
f16c = cpuidfield(ECX, 29, 29)
rdrand = cpuidfield(ECX, 30, 30)
hypervisor = cpuidfield(ECX, 31, 31)
fpu = cpuidfield(EDX, 0, 0)
vme = cpuidfield(EDX, 1, 1)
de = cpuidfield(EDX, 2, 2)
pse = cpuidfield(EDX, 3, 3)
tsc = cpuidfield(EDX, 4, 4)
msr = cpuidfield(EDX, 5, 5)
pae = cpuidfield(EDX, 6, 6)
mce = cpuidfield(EDX, 7, 7)
cx8 = cpuidfield(EDX, 8, 8)
apic = cpuidfield(EDX, 9, 9)
sep = cpuidfield(EDX, 11, 11)
mtrr = cpuidfield(EDX, 12, 12)
pge = cpuidfield(EDX, 13, 13)
mca = cpuidfield(EDX, 14, 14)
cmov = cpuidfield(EDX, 15, 15)
pat = cpuidfield(EDX, 16, 16)
pse36 = cpuidfield(EDX, 17, 17)
psn = cpuidfield(EDX, 18, 18)
clfsh = cpuidfield(EDX, 19, 19)
ds = cpuidfield(EDX, 21, 21)
acpi = cpuidfield(EDX, 22, 22)
mmx = cpuidfield(EDX, 23, 23)
fxsr = cpuidfield(EDX, 24, 24)
sse = cpuidfield(EDX, 25, 25)
sse2 = cpuidfield(EDX, 26, 26)
ss = cpuidfield(EDX, 27, 27)
htt = cpuidfield(EDX, 28, 28)
tm = cpuidfield(EDX, 29, 29)
pbe = cpuidfield(EDX, 31, 31)
@property
def display_family(self):
if self.family == 0xf:
return self.ext_family + self.family
return self.family
@property
def display_model(self):
if self.family == 0xf or self.family == 0x6:
return (self.ext_model << 4) + self.model
return self.model
capability_bits = [
"sse3",
"pclmulqdq",
"dtes64",
"monitor",
"ds_cpl",
"vmx",
"smx",
"est",
"tm2",
"ssse3",
"cnxt_id",
"sdbg",
"fma",
"cmpxchg16b",
"xtpr",
"pdcm",
"pcid",
"dca",
"sse4_1",
"sse4_2",
"x2apic",
"movbe",
"popcnt",
"tsc_deadline",
"aes",
"xsave",
"avx",
"f16c",
"rdrand",
"fpu",
"vme",
"de",
"pse",
"tsc",
"msr",
"pae",
"mce",
"cx8",
"apic",
"sep",
"mtrr",
"pge",
"mca",
"cmov",
"pat",
"pse36",
"psn",
"clfsh",
"ds",
"acpi",
"mmx",
"fxsr",
"sse",
"sse2",
"ss",
"htt",
"tm",
"pbe",
]
class LEAF_2(CPUID):
"""TLB, Cache, and Prefetch Information"""
leaf = 0x2
times_to_run = cpuidfield(EAX, 7, 0, doc="Number of times CPUID must be executed with EAX = 2 to retrieve a complete description of the processor's TLB, Cache, and Prefetch hardware")
class LEAF_4(CPUID):
"""Deterministic cache parameters
Returns encoded data that describes a set of deterministic cache parameters
for the cache level associated in ECX"""
leaf = 0x4
cache_type = cpuidfield(EAX, 4, 0, doc="Cache Type Field")
cache_level = cpuidfield(EAX, 7, 5, doc="Cache Level")
self_initializing = cpuidfield(EAX, 8, 8, doc="Self Initializing Cache Level")
fully_associative = cpuidfield(EAX, 9, 9, doc="Fully Associative Cache")
max_logical_processors_sharing_cache_z = cpuidfield(EAX, 25, 14, doc="Max number of addressable IDs for logical processors sharing this cache (zero based)")
max_cores_sharing_cache_z = cpuidfield(EAX, 31, 26, doc="Max number of addressable IDs for processor cores in the physical package (zero based)")
line_size_z = cpuidfield(EBX, 11, 0, doc="System Coherency Line Size (zero-based)")
partitions_z = cpuidfield(EBX, 21, 12, doc="Physical Line Partitions (zero-based)")
ways_z = cpuidfield(EBX, 31, 22, doc="Ways of associativity (zero-based)")
sets_z = cpuidfield(ECX, 31, 0, doc="Sets (zero-based)")
write_back_invalidate = cpuidfield(EDX, 0, 0, doc="Write-back Invalidate/Invalidate")
cache_inclusiveness = cpuidfield(EDX, 1, 1, doc="Cache Inclusiveness")
complex_cache_indexing = cpuidfield(EDX, 2, 2, doc="Complex Cache indexing")
@property
def max_logical_processors_sharing_cache(self):
"""Maximum number of addressable IDs for logical processors sharing this cache"""
return self.max_logical_processors_sharing_cache_z + 1
@property
def max_cores_sharing_cache(self):
"""Maximum number of addressable IDs for processor cores in the physical pacakge"""
return self.max_cores_sharing_cache_z + 1
@property
def partitions(self):
"""Number of physical line partitions"""
return self.partitions_z + 1
@property
def line_size(self):
"""System Coherency line size"""
return self.line_size_z + 1
@property
def ways(self):
"""Ways of associativity"""
return self.ways_z + 1
@property
def sets(self):
"""Number of sets"""
return self.sets_z + 1
@property
def cache_size(self):
"""Cache size in bytes"""
return self.ways * self.partitions * self.line_size * self.sets
class LEAF_5(CPUID):
"""MONITOR/MWAIT Leaf
Returns information about features available to MONITOR/MWAIT instructions"""
leaf = 0x5
smallest_monitor_line_size = cpuidfield(EAX, 15, 0, doc="Smallest monitor-line size in bytes")
largest_monitor_line_size = cpuidfield(EBX, 15, 0, doc="Largest monitor-line size in bytes")
monitor_mwait_supported = cpuidfield(ECX, 0, 0, doc="Enumeration of MONITOR/MWAIT extensions supported")
interrupt_break_event_supported = cpuidfield(ECX, 1, 1, doc="Supports treating interrupts as break-events for MWAIT, even when interrupts disabled")
c0 = cpuidfield(EDX, 3, 0, doc="Number of C0 sub C-states supported using MWAIT")
c1 = cpuidfield(EDX, 7, 4, doc="Number of C1 sub C-states supported using MWAIT")
c2 = cpuidfield(EDX, 11, 8, doc="Number of C2 sub C-states supported using MWAIT")
c3 = cpuidfield(EDX, 15, 12, doc="Number of C3 sub C-states supported using MWAIT")
c4 = cpuidfield(EDX, 19, 16, doc="Number of C4 sub C-states supported using MWAIT")
class LEAF_6(CPUID):
"""Thermal and Power Management leaf
Returns information about the maximum input values for sub-leaves that contain extended feature flags."""
leaf = 0x6
digital_temperature_sensor_supported = cpuidfield(EAX, 0, 0, doc = "Digital temperature sensor is supported if set")
turbo_boost_available = cpuidfield(EAX, 1, 1, doc = "Intel Turbo Boost technology available")
arat_supported = cpuidfield(EAX, 2, 2, doc = "APIC-Timer-always-running feature is supported if set")
pln_supported = cpuidfield(EAX, 4, 4, doc = "Power limit notification controls are supported if set")
ecmd_supported = cpuidfield(EAX, 5, 5, doc = "Clock modulation duty cycle extension is supported if set")
package_thermal_management_supported = cpuidfield(EAX, 6, 6, doc = "Package thermal management is supported if set")
num_interrupt_thresholds = cpuidfield(EBX, 3, 0, doc="Number of interrupt thresholds in digital thermal sensor")
hardware_coordination_feedback_capability = cpuidfield(ECX, 0, 0, doc="Hardware coordination feedback capability")
performance_energy_bias = cpuidfield(ECX, 3, 3, doc="Performance-energy bias preference support")
class LEAF_7(CPUID):
"""Structured Extended Feature Flags Enumeration Leaf
Returns information about the maximum input value for sub-leaves that contain
extended feature flags"""
leaf = 0x7
max_input_values = cpuidfield(EAX, 31, 0, doc="Reports the maximum input value for supported leaf 7 sub-leaves")
fsgsbase = cpuidfield(EBX, 0, 0, doc="Supports RDFSBASE/RDGSBASE/WRFSBASE/WRGSBASE if 1")
ia32_tsc_adjust_msr = cpuidfield(EBX, 1, 1, doc="IA32_TSC_ADJUST MSR is supported if 1")
sgx = cpuidfield(EBX, 2, 2, doc="Supports Intel® Software Guard Extensions (Intel® SGX Extensions) if 1")
bmi1 = cpuidfield(EBX, 3, 3)
hle = cpuidfield(EBX, 4, 4)
avx2 = cpuidfield(EBX, 5, 5)
fdp_excptn_only = cpuidfield(EBX, 6, 6, doc="x87 FPU Data Pointer updated only on x87 exceptions if 1")
smep = cpuidfield(EBX, 7, 7, doc="Supports Supervisor Mode Execution Protection if 1")
bmi2 = cpuidfield(EBX, 8, 8)
erms = cpuidfield(EBX, 9, 9, doc="Supports Enhanced REP MOVSB/STOSB if 1")
invpcid = cpuidfield(EBX, 10, 10, doc="Supports INVPCID instruction for system software that manages process-context identifiers if 1")
rtm = cpuidfield(EBX, 11, 11)
qm = cpuidfield(EBX, 12, 12, doc="Supports Quality of Service Monitoring capability if 1")
deprecate_fpu = cpuidfield(EBX, 13, 13, doc="Deprecates FPS CS and FPU DS values if 1")
mpx = cpuidfield(EBX, 14, 14, doc="Supports Intel® Memory Protection Extensions if 1")
rdt_a = cpuidfield(EBX, 15, 15, doc="Supports Intel® Resource Director Technology (Intel® RDT) Allocation capability if 1")
avx512f = cpuidfield(EBX, 16, 16)
avx512dq = cpuidfield(EBX, 17, 17)
rdseed = cpuidfield(EBX, 18, 18)
adx = cpuidfield(EBX, 19, 19)
smap = cpuidfield(EBX, 20, 20, doc="Supports Supervisor-Mode Access Prevention (and the CLAC/STAC instructions) if 1")
avx512_ifma = cpuidfield(EBX, 21, 21)
clflushopt = cpuidfield(EBX, 23, 23)
clwb = cpuidfield(EBX, 24, 24)
intel_pt = cpuidfield(EBX, 25, 25)
avx512pf = cpuidfield(EBX, 26, 26)
avx512er = cpuidfield(EBX, 27, 27)
avx512cd = cpuidfield(EBX, 28, 28)
sha = cpuidfield(EBX, 29, 29, doc="Supports Intel® Secure Hash Algorithm Extensions (Intel® SHA Extensions) if 1")
avx512bw = cpuidfield(EBX, 30, 30)
avx512vl = cpuidfield(EBX, 31, 31)
prefetchwt1 = cpuidfield(ECX, 0, 0)
avx512_vbmi = cpuidfield(ECX, 1, 1)
umip = cpuidfield(ECX, 2, 2, doc="Supports user-mode instruction prevention if 1")
pku = cpuidfield(ECX, 3, 3, doc="Supports protection keys for user-mode pages if 1")
ospke = cpuidfield(ECX, 4, 4, doc="If 1, OS has set CR4.PKE to enable protection keys (and the RDPKRU/WRPKRU instructions)")
waitpkg = cpuidfield(ECX, 5, 5)
avx512_vbmi2 = cpuidfield(ECX, 6, 6)
cet_ss = cpuidfield(ECX, 7, 7, doc="Supports CET shadow stack features if 1")
gfni = cpuidfield(ECX, 8, 8)
vaes = cpuidfield(ECX, 9, 9)
vpclmulqdq = cpuidfield(ECX, 10, 10)
avx512_vnni = cpuidfield(ECX, 11, 11)
avx512_bitalg = cpuidfield(ECX, 12, 12)
tme_en = cpuidfield(ECX, 13, 13)
avx512_vpopcntdq = cpuidfield(ECX, 14, 14)
la57 = cpuidfield(ECX, 16, 16, doc="Supports 57-bit linear addresses and five-level paging if 1")
mawau = cpuidfield(ECX, 21, 17, doc="The value of MAWAU used by the BNDLDX and BNDSTX instructions in 64-bit mode")
rdpid = cpuidfield(ECX, 22, 22, doc="RDPID and IA32_TSC_AUX are available if 1")
kl = cpuidfield(ECX, 23, 23, doc="Supports Key Locker if 1")
cldemote = cpuidfield(ECX, 25, 25, doc="Supports cache line demote if 1")
movdiri = cpuidfield(ECX, 27, 27, doc="Supports MOVDIRI if 1")
movdiri64b = cpuidfield(ECX, 28, 28, doc="Supports MOVDIRI64B if 1")
sgx_lc = cpuidfield(ECX, 30, 30, doc="Supports SGX Launch Configuration if 1")
pks = cpuidfield(ECX, 31, 31, doc="Supports protection keys for supervisor-mode pages if 1")
avx512_4vnniw = cpuidfield(EDX, 2, 2)
avx512_4fmaps = cpuidfield(EDX, 3, 3)
fast_short_rep_mov = cpuidfield(EDX, 4, 4)
avx512_vp2intersect = cpuidfield(EDX, 8, 8)
md_clear = cpuidfield(EDX, 10, 10)
hybrid = cpuidfield(EDX, 15, 15, doc="If 1, the processor is identified as a hybrid part")
pconfig = cpuidfield(EDX, 18, 18, doc="Supports PCONFIG if 1")
cet_ibt = cpuidfield(EDX, 20, 20, doc="Supports CET indirect branch tracking features if 1")
ibrs_ibpb = cpuidfield(EDX, 26, 26, doc="Enumerates support for indirect branch restricted speculation (IBRS) and the indirect branch predictor barrier (IBPB)")
stibp = cpuidfield(EDX, 27, 27, doc="Enumerates support for single thread indirect branch predictors (STIBP)")
l1d_flush = cpuidfield(EDX, 28, 28, doc="Enumerates support for L1D_FLUSH")
ia32_arch_capabilities = cpuidfield(EDX, 29, 29, doc="Enumerates support for the IA32_ARCH_CAPABILITIES MSR")
ia32_core_capabilities = cpuidfield(EDX, 30, 30, doc="Enumerates support for the IA32_CORE_CAPABILITIES MSR")
ssbd = cpuidfield(EDX, 31, 31, doc="Enumerates support for Speculative Store Bypass Disable (SSBD)")
capability_bits = [
"fsgsbase",
"ia32_tsc_adjust_msr",
"sgx",
"bmi1",
"hle",
"avx2",
"fdp_excptn_only",
"smep",
"bmi2",
"erms",
"invpcid",
"rtm",
"qm",
"deprecate_fpu",
"mpx",
"rdt_a",
"avx512f",
"avx512dq",
"rdseed",
"adx",
"smap",
"avx512_ifma",
"clflushopt",
"clwb",
"intel_pt",
"avx512pf",
"avx512er",
"avx512cd",
"sha",
"avx512bw",
"avx512vl",
"prefetchwt1",
"avx512_vbmi",
"umip",
"pku",
"waitpkg",
"avx512_vbmi2",
"cet_ss",
"gfni",
"vaes",
"vpclmulqdq",
"avx512_vnni",
"avx512_bitalg",
"tme_en",
"avx512_vpopcntdq",
"la57",
"mawau",
"rdpid",
"kl",
"cldemote",
"movdiri",
"movdiri64b",
"sgx_lc",
"pks",
"avx512_4vnniw",
"avx512_4fmaps",
"fast_short_rep_mov",
"avx512_vp2intersect",
"md_clear",
"hybrid",
"pconfig",
"cet_ibt",
"ibrs_ibpb",
"stibp",
"l1d_flush",
"ia32_arch_capabilities",
"ia32_core_capabilities",
"ssbd",
]
class LEAF_9(CPUID):
"""Direct Cache Access Information leaf
Returns information about Direct Cache Access capabilities"""
leaf = 0x9
platform_dca_cap = cpuidfield(EAX, 31, 0, doc="Value of bits of IA32_PLATFORM_DCA_CAP MSR (address 1F8H)")
class LEAF_A(CPUID):
"""Architectural Performance Monitoring Leaf
Returns information about support for architectural performance monitoring capabilities"""
leaf = 0xA
architectural_performance_monitor_version_id = cpuidfield(EAX, 7, 0, doc="Version ID of architectural performance monitoring")
gp_performance_monitor_counters = cpuidfield(EAX, 15, 8, doc="Number of general-purpose performance monitoring counter per logical processor")
gp_performance_counter_width = cpuidfield(EAX, 23, 16, doc="Bit width of general-purpose, performance monitoring counter")
ebx_bit_vector_length = cpuidfield(EAX, 31, 24, doc="Length of EBX bit vector to enumerate architectural performance monitoring events")
core_cycle_event = cpuidfield(EBX, 0, 0, doc="Core cycle event not available if 1")
instruction_retired_event = cpuidfield(EBX, 1, 1, doc="Instruction retired event not available if 1")
reference_cycles_event = cpuidfield(EBX, 2, 2, doc="Reference cycles event not available if 1")
llc_ref_event = cpuidfield(EBX, 3, 3, doc="Last-level cache reference event not available if 1")
llc_misses_event = cpuidfield(EBX, 4, 4, doc= "Last-level cache misses event not available if 1")
branch_instruction_retired_event = cpuidfield(EBX, 5, 5, doc="Branch instruction retired event not available if 1")
branch_mispredict_retired_event = cpuidfield(EBX, 6, 6, doc="Branch mispredict retired event not available if 1")
ff_performance_counters = cpuidfield(EDX, 4, 0, doc="Number of fixed-function performance counters")
ff_performance_counter_width = cpuidfield(EDX, 12, 5, doc="Bit width of fixed-function performance counters")
class LEAF_B(CPUID):
"""Extended Topology Enumeration Leaf
Returns information about extended topology enumeration data"""
leaf = 0xB
num_bit_shift = cpuidfield(EAX, 4, 0, doc="Number of bits to shift right on x2APID ID to get a unique topology ID of the next level type")
logical_proccessors_at_level = cpuidfield(EBX, 15, 0, doc="Number of logical processors at this level type.")
level_number = cpuidfield(ECX, 7, 0, doc="Level number")
level_type = cpuidfield(ECX, 15, 8, doc="Level type")
x2apic_id = cpuidfield(EDX, 31, 0, doc="x2APIC ID of the current logical processor")
class LEAF_D(CPUID):
"""Processor Extended State Enumeration Main Leaf and Sub-Leaves.
Returns information about the bit-vector representation of all processor
state extensions that are supported in the processor, and storage size
requirements of the XSAVE/XRSTOR area. Output depends on initial value of ECX."""
leaf = 0xD
valid_bits_xcr0_lower = cpuidfield(EAX, 31, 0, doc="Reports the valid bit fields of the lower 32 bits of XCR0. If a bit is 0, the corresponding bit field in XCR0 is reserved")
legacy_x87 = cpuidfield(EAX, 0, 0, doc="legacy x87")
sse_128_bit = cpuidfield(EAX, 1, 1, doc="128-bit SSE")
avx_256_bit = cpuidfield(EAX, 2, 2, doc="256-bit AVX")
max_size_enabled_xcr0 = cpuidfield(EBX, 31, 0, doc="Maximum size (bytes, from the beginning of the XSAVE/XRSTOR save area) required by enabled features in XCR0. May be different than ECX if some features at the end of the XSAVE save area are not enabled.")
max_size_supported_xcr0 = cpuidfield(ECX, 31, 0, doc="Maximum size (bytes, from the beginning of the XSAVE/XRSTOR save area) of the XSAVE/XRSTOR save area required by all supported features in the processor, i.e all the valid bit fields in XCR0.")
valid_bits_xcr0_upper = cpuidfield(EDX, 31, 0, doc="The valid bit fields of the upper 32 bits of XCR0. If a bit is 0, the corresponding bit field in XCR0 is reserved.")
def __getitem__(self, subleaf):
if subleaf == 0:
return self.read(self.cpu_id, subleaf)
elif subleaf == 1:
return LEAF_D_1.read(self.cpu_id, subleaf)
return LEAF_D_n.read(self.cpu_id, subleaf)
class LEAF_D_1(CPUID):
"""Processor Extended State Enumeration Main Leaf and Sub-Leaves.
Returns information about the bit-vector representation of all processor
state extensions that are supported in the processor, and storage size
requirements of the XSAVE/XRSTOR area. Output depends on initial value of ECX."""
leaf = 0xD
xsaveopt = cpuidfield(EAX, 0, 0, doc="XSAVEOPT is available")
class LEAF_D_n(CPUID):
"""Processor Extended State Enumeration Main Leaf and Sub-Leaves.
Returns information about the bit-vector representation of all processor
state extensions that are supported in the processor, and storage size
requirements of the XSAVE/XRSTOR area. Output depends on initial value of ECX."""
leaf = 0xD
size = cpuidfield(EAX, 31, 0, doc="The size in bytes (from the offset specified in EBX) of the save area for an extended state feature associated with a valid sub-leaf index")
offset = cpuidfield(EBX, 31, 0, doc="The offset in bytes of this extended state component's save area from the beginning of the XSAVE/XRSTOR area.")
class LEAF_F(CPUID):
"""Quality of Service Resource Type Enumeration Sub-Leaf and L3 Cache QoS Capability Enumeration Sub-leaf. Depends on value of ECX
Returns Quality of Service (QoS) Enumeration Information."""
leaf = 0xF
def __getitem__(self, subleaf):
if subleaf == 0:
return self.read(self.cpu_id, subleaf)
elif subleaf == 1:
return LEAF_F_1.read(self.cpu_id, subleaf)
return LEAF_F_n.read(self.cpu_id, subleaf)
max_range_rmid_z = cpuidfield(EBX, 31, 0, doc="Maximum range (zero-based) of RMID within this physical processor of all types.")
l3_cache_qos = cpuidfield(EDX, 1, 1, doc="Supports L3 Cache QoS if 1")
@property
def max_range_rmid(self):
"""Maximum range of RMID within this physical processor of all types."""
return self.max_range_rmid_z + 1
class LEAF_F_1(CPUID):
"""Quality of Service Resource Type Enumeration Sub-Leaf and L3 Cache QoS Capability Enumeration Sub-leaf. Depends on value of ECX
Returns L3 Cache QoS Capability Enumeration Information."""
leaf = 0xF
qm_ctr_conversion_factor = cpuidfield(EBX, 31, 0, doc="Conversion factor from reported IA32_QM_CTR value to occupancy metric (bytes).")
l3_occupancy_monitoring = cpuidfield(EDX, 0, 0, doc="Supports L3 occupancy monitoring if 1")
max_range_rmid_z = cpuidfield(ECX, 31, 0, doc="Maximum range (zero-based) of RMID of this resource type")
@property
def max_range_rmid(self):
"""Maximum range of RMID of this resource type"""
return self.max_range_rmid_z + 1
class LEAF_F_n(CPUID):
"""Quality of Service Resource Type Enumeration Sub-Leaf and L3 Cache QoS Capability Enumeration Sub-leaf. Depends on value of ECX
Returns Quality of Service (QoS) Enumeration Information."""
leaf = 0xF
class LEAF_10(CPUID):
"""Intel Resource Director Technology (Intel RDT) Allocation Enumeration Sub-leaf"""
leaf = 0x10
l3_cache_allocation = cpuidfield(EBX, 1, 1, doc="Supports L3 Cache Allocation Technology if 1.")
l2_cache_allocation = cpuidfield(EBX, 2, 2, doc="Supports L2 Cache Allocation Technology if 1.")
memory_bandwidth_allocation = cpuidfield(EBX, 3, 3, doc="Supports Memory Bandwidth Allocation if 1.")
class LEAF_10_1(CPUID):
"""L3/L2 Cache Allocation Technology Enumeration Sub-leaf"""
leaf = 0x10
capacity_mask_length_z = cpuidfield(EAX, 4, 0, doc="Length of the capacity bit mask for the corresponding ResID (zero based).")
isolation_map = cpuidfield(EBX, 31, 0, doc="Bit-granular map of isolation/contention of allocation units.")
code_and_data_prioritization = cpuidfield(ECX, 2, 2, doc="Code and Data Prioritization Technology supported if 1.")
clos_number_z = cpuidfield(EDX, 15, 0, doc="Highest COS number supported for this ResID.")
@property
def capacity_mask_length(self):
return self.capacity_mask_length_z + 1
@property
def clos_number(self):
return self.clos_number_z + 1
class LEAF_10_3(CPUID):
"""Memory Bandwidth Allocation Enumeration Sub-leaf"""
leaf = 0x10
max_throttling_value_z = cpuidfield(EAX, 11, 0, doc="Reports the maximum MBA throttling value supported for the corresponding ResID (zero based).")
linear_response_delay = cpuidfield(ECX, 2, 2, doc="Reports whether the response of the delay values is linear.")
clos_number_z = cpuidfield(EDX, 15, 0, doc="Highest COS number supported for this ResID.")
@property
def max_throttling_value(self):
return self.max_throttling_value_z + 1
@property
def clos_number(self):
return self.clos_number_z + 1
class LEAF_1A(CPUID):
"""Hybrid Information Enumeration Leaf"""
leaf = 0x1A
core_type_id = cpuidfield(EAX, 31, 24, doc="Core type")
native_model_id = cpuidfield(EAX, 23, 0, doc="Native model ID")
core_types = {
0x20: "Atom",
0x40: "Core",
}
@property
def core_type(self):
if self.core_type_id in self.core_types:
return self.core_types[self.core_type_id]
return "Reserved"
class LEAF_1F(LEAF_B):
"""Extened Topology Enumeration Leaf v2"""
leaf = 0x1F
class LEAF_80000000(CPUID):
"""Extended Function CPUID Information"""
leaf = 0x80000000
max_extended_leaf = cpuidfield(EAX, 31, 0, doc="Highest extended function input value understood by CPUID")
class LEAF_80000001(CPUID):
"""Extended Function CPUID Information"""
leaf = 0x80000001
ext_signature_feature_bits = cpuidfield(EAX, 31, 0, doc="Extended processor signature and feature bits")
lahf_sahf_64 = cpuidfield(ECX, 0, 0, doc="LAHF/SAHF available in 64-bit mode")
lzcnt = cpuidfield(ECX, 5, 5)
prefetchw = cpuidfield(ECX, 8, 8)
syscall_sysret_64 = cpuidfield(EDX, 11, 11, doc="SYSCALL/SYSRET available in 64-bit mode")
execute_disable = cpuidfield(EDX, 20, 20, doc="Execute Disable Bit available")
gbyte_pages = cpuidfield(EDX, 26, 26, doc="GByte pages are available if 1")
rdtscp_ia32_tsc_aux = cpuidfield(EDX, 27, 27, doc="RDTSCP and IA32_TSC_AUX are available if 1")
intel_64 = cpuidfield(EDX, 29, 29, doc="Intel(R) 64 Architecture available if 1")
capability_bits = [
"lahf_sahf_64",
"lzcnt",
"prefetchw",
"syscall_sysret_64",
"execute_disable",
"gbyte_pages",
"rdtscp_ia32_tsc_aux",
"intel_64",
]
class LEAF_80000002(CPUID):
"""Extended Function CPUID Information
Processor Brand String"""
leaf = 0x80000002
@property
def brandstring(self):
"""Processor Brand String"""
return struct.pack('IIII', self.regs.eax, self.regs.ebx, self.regs.ecx, self.regs.edx).rstrip(b"\x00")
class LEAF_80000003(CPUID):
"""Extended Function CPUID Information
Processor Brand String Continued"""
leaf = 0x80000003
@property
def brandstring(self):
"""Processor Brand String"""
return struct.pack('IIII', self.regs.eax, self.regs.ebx, self.regs.ecx, self.regs.edx).rstrip(b"\x00")
class LEAF_80000004(CPUID):
"""Extended Function CPUID Information
Processor Brand String Continued"""
leaf = 0x80000004
@property
def brandstring(self):
"""Processor Brand String"""
return struct.pack('IIII', self.regs.eax, self.regs.ebx, self.regs.ecx, self.regs.edx).rstrip(b"\x00")
class LEAF_80000006(CPUID):
"""Extended Function CPUID Information"""
leaf = 0x80000006
cache_line_size = cpuidfield(ECX, 7, 0, doc="Cache Line size in bytes")
l2_associativity = cpuidfield(ECX, 15, 12, doc="L2 Associativity field")
cache_size_k = cpuidfield(ECX, 31, 16, doc="Cache size in 1K units")
class LEAF_80000007(CPUID):
"""Misc Feature Flags"""
leaf = 0x80000007
invariant_tsc = cpuidfield(EDX, 8, 8, doc="Invariant TSC available if 1")
capability_bits = [
"invariant_tsc",
]
class LEAF_80000008(CPUID):
"""Returns linear/physical address size"""
leaf = 0x80000008
physical_address_bits = cpuidfield(EAX, 7, 0, doc="# Physical Address bits")
linear_address_bits = cpuidfield(EAX, 15, 8, doc="# Linear Address bits")
attribute_bits = [
"physical_address_bits",
"linear_address_bits",
]