69 lines
2.0 KiB
Rust
69 lines
2.0 KiB
Rust
use {
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crate::{
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arch::{pci, x86_64::cpuid},
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device_tree::DeviceTree,
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kmain::DEVICE_TREE,
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},
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limine::SmpRequest,
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xml::XMLElement,
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};
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fn collect_cpu_info(device_tree: &mut DeviceTree) {
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use crate::alloc::string::ToString;
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static SMP: SmpRequest = SmpRequest::new(0);
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let smp_response = SMP.get_response().get().unwrap();
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let mut cpu = XMLElement::new("cpu");
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// Get the amount of cores on the CPU
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let core_count = smp_response.cpu_count.to_string();
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cpu.set_attribute("core count", core_count);
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for x in 0..smp_response.cpu_count {
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let core_name = alloc::format!("core_{}", x);
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let core = XMLElement::new(core_name);
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cpu.set_child(core);
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}
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let cpu_info = cpuid::master().unwrap();
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let brand_string = cpu_info.brand_string().unwrap_or("Unknown").to_string();
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cpu.set_attribute("brand string", brand_string);
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cpu.set_attribute("speed", "unknown");
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// Get CPU features and add them to the device tree entry.
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let mut cpu_features = XMLElement::new("CPU Features");
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for (feature_key, feature_enabled) in cpu_info.features() {
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cpu_features.set_attribute(feature_key, feature_enabled.to_string());
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}
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cpu.set_child(cpu_features);
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// CPU temperature
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if cpu_info.digital_temperature_sensor() {
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let mut temperature_child = XMLElement::new("Temperature");
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temperature_child.set_attribute("degrees", "Unknown");
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cpu.set_child(temperature_child);
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}
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// Add CPU to device tree
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let cpus = device_tree.devices.get_mut("CPUs").unwrap();
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cpus.push(cpu);
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}
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pub fn collect_device_info() {
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log::trace!("Collecting devices on x86_64");
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// Lock device tree
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unsafe {
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DEVICE_TREE.force_unlock();
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}
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let device_tree = &mut DEVICE_TREE.lock();
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// Generate device tree from PCI enumeration.
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pci::init(device_tree);
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// Collect CPU info and add it to the device tree
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collect_cpu_info(device_tree);
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}
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