LoGin 196b75dc17
把irqdesc添加到sysfs (#525)
* 把irqdesc添加到sysfs
2024-02-19 00:56:58 +08:00

143 lines
3.1 KiB
Rust
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#![no_main] // <1>
#![feature(alloc_error_handler)]
#![feature(allocator_api)]
#![feature(arbitrary_self_types)]
#![feature(asm_const)]
#![feature(const_for)]
#![feature(const_mut_refs)]
#![feature(const_trait_impl)]
#![feature(const_transmute_copy)]
#![feature(const_refs_to_cell)]
#![feature(core_intrinsics)]
#![feature(c_void_variant)]
#![feature(extract_if)]
#![feature(inline_const)]
#![feature(naked_functions)]
#![feature(panic_info_message)]
#![feature(ptr_internals)]
#![feature(trait_upcasting)]
#![feature(slice_ptr_get)]
#![feature(vec_into_raw_parts)]
#![feature(new_uninit)]
#![feature(ptr_to_from_bits)]
#![feature(concat_idents)]
#![cfg_attr(target_os = "none", no_std)]
#[cfg(test)]
#[macro_use]
extern crate std;
#[allow(non_upper_case_globals)]
#[allow(non_camel_case_types)]
#[allow(non_snake_case)]
use core::panic::PanicInfo;
/// 导出x86_64架构相关的代码命名为arch模块
#[macro_use]
mod arch;
#[macro_use]
mod libs;
#[macro_use]
mod include;
mod debug;
mod driver; // 如果driver依赖了libs应该在libs后面导出
mod exception;
mod filesystem;
mod init;
mod ipc;
mod misc;
mod mm;
mod net;
mod process;
mod sched;
mod smp;
mod syscall;
mod time;
#[cfg(target_arch = "x86_64")]
mod virt;
#[macro_use]
extern crate alloc;
#[macro_use]
extern crate atomic_enum;
#[macro_use]
extern crate bitflags;
extern crate elf;
#[macro_use]
extern crate lazy_static;
extern crate num;
#[macro_use]
extern crate num_derive;
extern crate smoltcp;
#[macro_use]
extern crate intertrait;
#[cfg(target_arch = "x86_64")]
extern crate x86;
extern crate klog_types;
extern crate uefi;
extern crate uefi_raw;
use crate::mm::allocator::kernel_allocator::KernelAllocator;
use crate::process::ProcessManager;
#[cfg(all(feature = "backtrace", target_arch = "x86_64"))]
extern crate mini_backtrace;
extern "C" {
fn lookup_kallsyms(addr: u64, level: i32) -> i32;
}
// 声明全局的分配器
#[cfg_attr(not(test), global_allocator)]
pub static KERNEL_ALLOCATOR: KernelAllocator = KernelAllocator;
/// 全局的panic处理函数
#[cfg(target_os = "none")]
#[panic_handler]
#[no_mangle]
pub fn panic(info: &PanicInfo) -> ! {
kerror!("Kernel Panic Occurred.");
match info.location() {
Some(loc) => {
println!(
"Location:\n\tFile: {}\n\tLine: {}, Column: {}",
loc.file(),
loc.line(),
loc.column()
);
}
None => {
println!("No location info");
}
}
match info.message() {
Some(msg) => {
println!("Message:\n\t{}", msg);
}
None => {
println!("No panic message.");
}
}
#[cfg(all(feature = "backtrace", target_arch = "x86_64"))]
{
unsafe {
let bt = mini_backtrace::Backtrace::<16>::capture();
println!("Rust Panic Backtrace:");
let mut level = 0;
for frame in bt.frames {
lookup_kallsyms(frame as u64, level);
level += 1;
}
};
}
println!("Current PCB:\n\t{:?}", *(ProcessManager::current_pcb()));
ProcessManager::exit(usize::MAX);
}