330 lines
18 KiB
Rust
330 lines
18 KiB
Rust
#![cfg_attr(not(feature = "use_std"), no_std)]
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// TODO import x86 or x86_64
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// TODO no_std
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extern crate alloc;
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use alloc::vec::Vec;
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use core::arch::x86_64;
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//#[cfg(feature = "no_std")]
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//use cstr_core::{CStr, CString};
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use crate::CPUVendor::{Intel, Unknown};
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use crate::MicroArchitecture::{
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Airmont, Bonnell, Broadwell, CannonLake, CascadeLake, CoffeeLake, CooperLake, Core, Goldmont,
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GoldmontPlus, Haswell, HaswellE, IceLake, IvyBridge, IvyBridgeE, KabyLake, KnightsLanding,
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KnightsMill, Nehalem, NetBurst, Penryn, PentiumM, Saltwell, SandyBridge, Silvermont, Skylake,
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SkylakeServer, Tremont, Westmere, Yonah, P5, P6,
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};
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//#[cfg(feature = "std")]
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//use std::ffi::{CStr, CString};
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#[derive(Debug, Eq, PartialEq)]
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pub enum CPUVendor {
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None,
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Intel,
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AMD,
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Unknown,
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}
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impl CPUVendor {
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pub fn get_cpu_vendor() -> CPUVendor {
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// if has cpuid if x86_64::__cp
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if true {
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let r = unsafe { x86_64::__cpuid(0) };
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CPUVendor::decode_cpu_vendor(r)
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//let feature_string = (r.ebx, r.ecx, r.edx);
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//CPUVendor::Unknown
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} else {
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CPUVendor::None
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}
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// else
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}
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pub fn decode_cpu_vendor(cpuid_result: x86_64::CpuidResult) -> CPUVendor {
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let feature_string = [cpuid_result.ebx, cpuid_result.edx, cpuid_result.ecx]
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.iter()
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.map(|&u| u.to_le_bytes())
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.collect::<Vec<_>>()
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.concat();
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match feature_string.as_slice() {
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b"GenuineIntel" => Intel,
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// TODO add more vendors
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_ => Unknown,
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}
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}
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}
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#[derive(Debug, Eq, PartialEq)]
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pub enum MicroArchitecture {
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P5,
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P6, // Models:
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// P6 family processors are IA-32 processors based on the P6 family microarchitecture.
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// This includes the Pentium ®Pro, Pentium® II, Pentium® III, and Pentium® III Xeon® processors.
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NetBurst,
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// The Pentium® 4, Pentium® D, and Pentium® processor Extreme Editions are based on the Intel
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// NetBurst® microarchitecture. Most early Intel® Xeon® processors are based on the Intel
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// NetBurst® microarchitecture. Intel Xeon processor 5000, 7100 series are based on the Intel
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// NetBurst ® microarchitecture.
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PentiumM,
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Yonah,
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// The Intel® CoreTM Duo, Intel® CoreTM Solo and dual-core Intel® Xeon® processor LV are based
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// on an improved Pentium® M processor microarchitecture.
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Core,
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// The Intel® Xeon® processor 3000, 3200, 5100, 5300, 7200, and 7300 series, Intel® Pentium®
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// dual-core, Intel® CoreTM2 Duo, Intel® CoreTM2 Quad, and Intel® CoreTM2 Extreme processors
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// are based on Intel® CoreTM microarchitecture.
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Penryn, // aka enhanced core
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// The Intel® Xeon® processor 5200, 5400, 7400 series, Intel® CoreTM2 Quad processor Q9000
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// series, and Intel® CoreTM2 Extreme processors QX9000, X9000 series, Intel® CoreTM2 processor
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// E8000 series are based on Enhanced Intel® CoreTM microarchitecture.
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Saltwell,
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Bonnell, // split Atom early microarch in 2.
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// The Intel® AtomTM processors 200, 300, D400, D500, D2000, N200, N400, N2000, E2000, Z500, Z600, Z2000,
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// C1000 series are based on the Intel® AtomTM microarchitecture and supports Intel 64 architecture.
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/* P6 family, Pentium® M, Intel® CoreTM Solo, Intel® CoreTM Duo processors, dual-core Intel® Xeon® processor LV,
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and early generations of Pentium 4 and Intel Xeon processors support IA-32 architecture. The Intel® Atom TM
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processor Z5xx series support IA-32 architecture.
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The Intel® Xeon® processor 3000, 3200, 5000, 5100, 5200, 5300, 5400, 7100, 7200, 7300, 7400 series, Intel ®
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CoreTM2 Duo, Intel® CoreTM2 Extreme, Intel® CoreTM2 Quad processors, Pentium® D processors, Pentium® Dual-
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Core processor, newer generations of Pentium 4 and Intel Xeon processor family support Intel® 64 architecture.
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*/
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Nehalem,
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Westmere,
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// The Intel® CoreTM i7 processor and Intel® Xeon® processor 3400, 5500, 7500 series are based on 45 nm Nehalem
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// microarchitecture. Westmere microarchitecture is a 32 nm version of the Nehalem microarchitecture. Intel®
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// Xeon® processor 5600 series, Intel Xeon processor E7 and various Intel Core i7, i5, i3 processors are based on the
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// Westmere microarchitecture. These processors support Intel 64 architecture.
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SandyBridge,
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// The Intel® Xeon® processor E5 family, Intel® Xeon® processor E3-1200 family, Intel® Xeon® processor E7-
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// 8800/4800/2800 product families, Intel ® CoreTM i7-3930K processor, and 2nd generation Intel® CoreTM i7-2xxx,
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// Intel® CoreTM i5-2xxx, Intel® CoreTM i3-2xxx processor series are based on the Sandy Bridge microarchitecture and
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// support Intel 64 architecture.
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IvyBridge,
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// The Intel® Xeon® processor E7-8800/4800/2800 v2 product families, Intel® Xeon® processor E3-1200 v2 product
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// family and 3rd generation Intel ® CoreTM processors are based on the Ivy Bridge microarchitecture and support
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// Intel 64 architecture.
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IvyBridgeE,
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// The Intel® Xeon® processor E5-4600/2600/1600 v2 product families, Intel® Xeon® processor E5-2400/1400 v2
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// product families and Intel® CoreTM i7-49xx Processor Extreme Edition are based on the Ivy Bridge-E microarchitec-
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// ture and support Intel 64 architecture.
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Haswell,
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// The Intel® Xeon® processor E3-1200 v3 product family and 4th Generation Intel® CoreTM processors are based on
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// the Haswell microarchitecture and support Intel 64 architecture.
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HaswellE,
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// The Intel® Xeon® processor E5-2600/1600 v3 product families and the Intel® CoreTM i7-59xx Processor Extreme
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// Edition are based on the Haswell-E microarchitecture and support Intel 64 architecture.
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Airmont,
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// The Intel® AtomTM processor Z8000 series is based on the Airmont microarchitecture.
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Silvermont,
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// The Intel® AtomTM processor Z3400 series and the Intel® AtomTM processor Z3500 series are based on the Silver-
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// mont microarchitecture.
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Broadwell,
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// The Intel® CoreTM M processor family, 5th generation Intel® CoreTM processors, Intel® Xeon® processor D-1500
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// product family and the Intel® Xeon® processor E5 v4 family are based on the Broadwell microarchitecture and
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// support Intel 64 architecture.
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Skylake,
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// The Intel® Xeon® Processor Scalable Family, Intel® Xeon® processor E3-1500m v5 product family and 6th gener-
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// ation Intel® CoreTM processors are based on the Skylake microarchitecture and support Intel 64 architecture.
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KabyLake,
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// The 7th generation Intel® CoreTM processors are based on the Kaby Lake microarchitecture and support Intel 64
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// architecture.
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Goldmont,
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// The Intel® AtomTM processor C series, the Intel® AtomTM processor X series, the Intel® Pentium® processor J
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// series, the Intel® Celeron® processor J series, and the Intel® Celeron® processor N series are based on the Gold-
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// mont microarchitecture.
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KnightsLanding,
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// The Intel® Xeon PhiTM Processor 3200, 5200, 7200 Series is based on the Knights Landing microarchitecture and
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// supports Intel 64 architecture.
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GoldmontPlus,
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// The Intel® Pentium® Silver processor series, the Intel® Celeron® processor J series, and the Intel® Celeron®
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// processor N series are based on the Goldmont Plus microarchitecture.
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Tremont, // Atom ?
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CoffeeLake,
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// The 8th generation Intel® CoreTM processors, 9th generation Intel® CoreTM processors, and Intel® Xeon® E proces-
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// sors are based on the Coffee Lake microarchitecture and support Intel 64 architecture.
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KnightsMill,
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// The Intel® Xeon PhiTM Processor 7215, 7285, 7295 Series is based on the Knights Mill microarchitecture and
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// supports Intel 64 architecture.
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CascadeLake,
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CannonLake, // Only in volume 4 ??
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// The 2nd generation Intel® Xeon® Processor Scalable Family is based on the Cascade Lake product and supports
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// Intel 64 architecture.
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IceLake,
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// The 10th generation Intel® CoreTM processors are based on the Ice Lake microarchitecture and support Intel 64
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// architecture.
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SkylakeServer,
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// The Intel® Xeon® Processor Scalable Family is based on the Skylake Server microarchitecture. Proces-
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// sors based on the Skylake microarchitecture can be identified using CPUID’s DisplayFamily_DisplayModel
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// signature, which can be found in Table 2-1 of CHAPTER 2 of Intel® 64 and IA-32 Architectures Software
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// Developer’s Manual, Volume 4.
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CooperLake, // Future Xeon Scalable ?? (To be checked)
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// TODO: Check server architecture post Skylake (wikichip ?), add AMD
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}
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impl MicroArchitecture {
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pub fn from_family_model(
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vendor: CPUVendor,
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family_model_display: u32,
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stepping: u32,
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) -> Option<MicroArchitecture> {
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match vendor {
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Intel => Some(match family_model_display {
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0x06_85 => KnightsMill, // Intel® Xeon PhiTM Processor 7215, 7285, 7295 Series based on Knights Mill microarchitecture
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0x06_57 => KnightsLanding, // Intel® Xeon PhiTM Processor 3200, 5200, 7200 Series based on Knights Landing microarchitecture
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0x06_7D | 0x06_7E => IceLake, // 10th generation Intel® CoreTM processors based on Ice Lake microarchitecture
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0x06_66 => CannonLake, // Intel® CoreTM processors based on Cannon Lake microarchitecture
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// 7th generation Intel® CoreTM processors based on Kaby Lake microarchitecture, 8th and 9th generation
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// Intel® CoreTM processors based on Coffee Lake microarchitecture, Intel® Xeon® E processors based on
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// Coffee Lake microarchitecture
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0x06_8E => {
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if stepping <= 9 {
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KabyLake
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} else {
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CoffeeLake
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}
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}
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0x06_9E => {
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if stepping <= 9 {
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KabyLake
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} else {
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CoffeeLake
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}
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}
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// Future Intel® Xeon® processors based on Ice Lake microarchitecture
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0x06_6A | 0x06_6C => IceLake, // Check Server Ahem
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// Intel® Xeon® Processor Scalable Family based on Skylake microarchitecture, 2nd generation Intel®
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// Xeon® Processor Scalable Family based on Cascade Lake product, and future Cooper Lake product
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0x06_55 => {
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if stepping <= 4 {
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SkylakeServer
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} else if stepping <= 7 {
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CascadeLake
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} else {
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CooperLake
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}
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}
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// 6th generation Intel Core processors and Intel Xeon processor E3-1500m v5 product family and E3-
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// 1200 v5 product family based on Skylake microarchitecture
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0x06_4E | 0x06_5E => Skylake,
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0x06_56 => Broadwell, // Intel Xeon processor D-1500 product family based on Broadwell microarchitecture
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// Intel Xeon processor E5 v4 Family based on Broadwell microarchitecture, Intel Xeon processor E7 v4
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// Family, Intel Core i7-69xx Processor Extreme Edition
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0x06_4F => Broadwell,
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// 5th generation Intel Core processors, Intel Xeon processor E3-1200 v4 product family based on
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// Broadwell microarchitecture
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0x06_47 => Broadwell,
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// Intel Core M-5xxx Processor, 5th generation Intel Core processors based on Broadwell
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// microarchitecture
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0x06_3D => Broadwell,
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// Intel Xeon processor E5-4600/2600/1600 v3 product families, Intel Xeon processor E7 v3 product
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// families based on Haswell-E microarchitecture, Intel Core i7-59xx Processor Extreme Edition
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0x06_3F => HaswellE,
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// 4th Generation Intel Core processor and Intel Xeon processor E3-1200 v3 product family based on
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// Haswell microarchitecture
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0x06_3C | 0x06_45 | 0x06_46 => Haswell,
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// Intel Xeon processor E7-8800/4800/2800 v2 product families based on Ivy Bridge-E
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// microarchitecture
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// Intel Xeon processor E5-2600/1600 v2 product families and Intel Xeon processor E5-2400 v2
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// product family based on Ivy Bridge-E microarchitecture, Intel Core i7-49xx Processor Extreme Edition
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0x06_3E => IvyBridgeE,
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// 3rd Generation Intel Core Processor and Intel Xeon processor E3-1200 v2 product family based on Ivy
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// Bridge microarchitecture
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0x06_3A => IvyBridge,
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// Intel Xeon processor E5 Family based on Intel microarchitecture code name Sandy Bridge, Intel Core
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// i7-39xx Processor Extreme Edition
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0x06_2D => SandyBridge,
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0x06_2F => Westmere, //Intel Xeon Processor E7 Family
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// Intel Xeon processor E3-1200 product family; 2nd Generation Intel Core i7, i5, i3 Processors 2xxx
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// Series
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0x06_2A => SandyBridge,
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0x06_2E => Nehalem, // Intel Xeon processor 7500, 6500 series
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0x06_25 | 0x06_2C => Westmere, // Intel Xeon processors 3600, 5600 series, Intel Core i7, i5 and i3 Processors
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0x06_1E | 0x06_1F => Nehalem, // Intel Core i7 and i5 Processors
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0x06_1A => Nehalem, // Intel Core i7 Processor, Intel Xeon processor 3400, 3500, 5500 series
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0x06_1D => Penryn, // Intel Xeon processor MP 7400 series
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0x06_17 => Penryn, // Intel Xeon processor 3100, 3300, 5200, 5400 series, Intel Core 2 Quad processors 8000, 9000 series
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// Intel Xeon processor 3000, 3200, 5100, 5300, 7300 series, Intel Core 2 Quad processor 6000 series,
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// Intel Core 2 Extreme 6000 series, Intel Core 2 Duo 4000, 5000, 6000, 7000 series processors, Intel
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// Pentium dual-core processors
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0x06_0F => Core, // Merom
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0x06_0E => Yonah, // Intel Core Duo, Intel Core Solo processors - Yonah
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0x06_0D => PentiumM, // Intel Pentium M processor
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0x06_86 => Tremont, // Intel® AtomTM processors based on Tremont Microarchitecture
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0x06_7A => GoldmontPlus, // Intel Atom processors based on Goldmont Plus Microarchitecture
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0x06_5F => Goldmont, // Intel Atom processors based on Goldmont Microarchitecture (code name Denverton)
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0x06_5C => Goldmont, // Intel Atom processors based on Goldmont Microarchitecture
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0x06_4C => Airmont, // Intel Atom processor X7-Z8000 and X5-Z8000 series based on Airmont Microarchitecture
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0x06_5D => Silvermont, // Intel Atom processor X3-C3000 based on Silvermont Microarchitecture
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0x06_5A => Silvermont, // Intel Atom processor Z3500 series
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0x06_4A => Silvermont, // Intel Atom processor Z3400 series
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0x06_37 => Silvermont, //Intel Atom processor E3000 series, Z3600 series, Z3700 series
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0x06_4D => Silvermont, // Intel Atom processor C2000 series
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0x06_36 => Saltwell, // Intel Atom processor S1000 Series
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0x06_27 | 0x06_35 => Saltwell, // Intel Atom processor family, Intel Atom processor D2000, N2000, E2000, Z2000, C1000 series
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0x06_1C | 0x06_26 => Bonnell,
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0x0F_06 => NetBurst, // Intel Xeon processor 7100, 5000 Series, Intel Xeon Processor MP, Intel Pentium 4, Pentium D processors
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0x0F_03 | 0x0F_04 => NetBurst, // Intel Xeon processor, Intel Xeon processor MP, Intel Pentium 4, Pentium D processors
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0x06_09 => PentiumM, // Intel Pentium M processor
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0x0F_02 => NetBurst, // Intel Xeon Processor, Intel Xeon processor MP, Intel Pentium 4 processors
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0x0F_00 | 0x0F_01 => NetBurst, // Intel Xeon Processor, Intel Xeon processor MP, Intel Pentium 4 processors
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0x06_07 | 0x06_08 | 0x06_0A | 0x06_0B => P6, // Intel Pentium III Xeon processor, Intel Pentium III processor
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0x06_03 | 0x06_05 => P6, // Intel Pentium II Xeon processor, Intel Pentium II processor
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0x06_01 => P6, // Intel Pentium Pro processor
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0x05_01 | 0x05_02 | 0x05_04 => P5, // Intel Pentium processor, Intel Pentium processor with MMX Technology
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// TODO: Keep adding stuff in here
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_ => {
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return None;
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}
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}),
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_ => None,
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}
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}
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pub fn get_family_model_stepping() -> Option<(CPUVendor, u32, u32)> {
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// Warning this might not support AMD
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if true {
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// TODO refactor some of this into a separate function.
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// has cpuid
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let vendor = CPUVendor::get_cpu_vendor();
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let eax = unsafe { x86_64::__cpuid(1) }.eax;
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let stepping = eax & 0xf;
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let mut model = (eax >> 4) & 0xf;
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let mut family = (eax >> 8) & 0xf;
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if family == 0xf {
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family += (eax >> 20) & 0xff
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}
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if family == 0xf || family == 0x6 {
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model += (eax >> 12) & 0xf0
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}
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let family_model_display = family << 8 | model;
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Some((vendor, family_model_display, stepping))
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} else {
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None
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}
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}
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pub fn get_micro_architecture() -> Option<MicroArchitecture> {
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if let Some((vendor, family_model_display, stepping)) =
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MicroArchitecture::get_family_model_stepping()
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{
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MicroArchitecture::from_family_model(vendor, family_model_display, stepping)
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} else {
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None
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}
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}
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}
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// Family Model Stepping Processor Type -> leaf 0x1, in EAX, plus brand index in EBX,
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// sdm 3-226 2A or Brand string
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// 3B 16-1, 16-3,
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// 4 2-1 huge table to be cross referenced with 1-2
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