Files
RedBear-OS/src/panic.rs
T
2022-02-01 16:58:53 -07:00

39 lines
848 B
Rust

//! Intrinsics for panic handling
use core::alloc::Layout;
use core::panic::PanicInfo;
#[lang = "eh_personality"]
#[no_mangle]
pub extern "C" fn rust_eh_personality() {}
/// Required to handle panics
#[panic_handler]
#[no_mangle]
pub extern "C" fn rust_begin_unwind(info: &PanicInfo) -> ! {
//println!("BOOTLOADER PANIC: {}", info);
loop {
unsafe {
llvm_asm!("hlt" : : : : "intel", "volatile");
}
}
}
#[lang = "oom"]
#[no_mangle]
#[allow(improper_ctypes_definitions)] // Layout is not repr(C)
pub extern fn rust_oom(_layout: Layout) -> ! {
panic!("kernel memory allocation failed");
}
#[allow(non_snake_case)]
#[no_mangle]
/// Required to handle panics
pub extern "C" fn _Unwind_Resume() -> ! {
loop {
unsafe {
llvm_asm!("hlt" : : : : "intel", "volatile");
}
}
}