64 lines
1.7 KiB
Rust
64 lines
1.7 KiB
Rust
// Copyright (c) 2025 shibedrill
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// SPDX-License-Identifier: GPL-3.0-or-later
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mod acpi;
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use fdt::*;
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use lazy_static::lazy_static;
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use limine::response::{DeviceTreeBlobResponse, RsdpResponse};
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use raw_cpuid::native_cpuid::CpuIdReaderNative;
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use raw_cpuid::*;
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use crate::boot::{DTB_REQUEST, RSDP_REQUEST};
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use crate::log::{LOGGER, LogLevel};
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use crate::{format, log_info, log_trace, log_warning};
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pub fn log_cpuid() {
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let cpuid: CpuId<CpuIdReaderNative> = CpuId::with_cpuid_reader(CpuIdReaderNative);
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log_trace!(
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"Device: CPU vendor: {}",
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cpuid.get_processor_brand_string().unwrap().as_str()
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)
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}
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lazy_static! {
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pub static ref DTB: Option<&'static DeviceTreeBlobResponse> = match DTB_REQUEST.get_response() {
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Some(resp) => {
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log_info!("Device: Got DTB pointer");
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Some(resp)
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}
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None => {
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log_warning!("Device: Did not get DTB pointer");
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None
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}
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};
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pub static ref RSDP: Option<&'static RsdpResponse> = match RSDP_REQUEST.get_response() {
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Some(resp) => {
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log_info!("Device: Got RSDP pointer");
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Some(resp)
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}
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None => {
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log_warning!("Device: Did not get RSDP pointer, ACPI unavailable");
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None
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}
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};
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}
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// Just to check
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pub fn init_statics() {
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let _ = DTB.is_some();
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let _ = RSDP.is_some();
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}
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#[allow(dead_code)]
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pub fn device_tree_parsed() -> Option<Fdt<'static>> {
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if let Some(ok_dtb) = *DTB
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&& let Ok(ok_parsed_dt) = unsafe { fdt::Fdt::from_ptr(ok_dtb.dtb_ptr() as *const u8) }
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{
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log_trace!("Device: Parsed device tree");
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Some(ok_parsed_dt)
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} else {
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None
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}
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}
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