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// SPDX-License-Identifier: GPL-2.0
//! The `kernel` crate
#![no_std]
#![feature(allocator_api, alloc_error_handler)]
extern crate alloc;
use core::panic::PanicInfo;
mod allocator;
pub mod bindings;
pub mod c_types;
pub mod chrdev;
mod error;
pub mod file_operations;
pub mod prelude;
pub mod printk;
pub mod random;
pub mod sysctl;
mod types;
pub mod user_ptr;
pub use crate::error::{Error, KernelResult};
pub use crate::types::{CStr, Mode};
/// KernelModule is the top level entrypoint to implementing a kernel module. Your kernel module
/// should implement the `init` method on it, which maps to the `module_init` macro in Linux C API.
/// You can use this method to do whatever setup or registration your module should do. For any
/// teardown or cleanup operations, your type may implement [`Drop`].
///
/// [`Drop`]: https://doc.rust-lang.org/stable/core/ops/trait.Drop.html
pub trait KernelModule: Sized + Sync {
fn init() -> KernelResult<Self>;
}
extern "C" {
fn rust_helper_BUG() -> !;
}
#[panic_handler]
fn panic(_info: &PanicInfo) -> ! {
unsafe {
rust_helper_BUG();
}
}
#[global_allocator]
static ALLOCATOR: allocator::KernelAllocator = allocator::KernelAllocator;
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