kernel/src/testing/panic.rs


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use crate::io::{qemu, serial, vga_text};
use core::fmt::Write;
use core::panic::PanicInfo;
use qemu::{exit_qemu, QemuExitCode};
use serial::SerialStream;
use vga_text::OStream;
use x86_64::instructions::interrupts;

pub fn serial_should_panic(info: &PanicInfo) -> ! {
    interrupts::disable();
    let mut stdout = SerialStream::new();
    write!(stdout, "\nOK\nsuccessfully panicked\n").unwrap();
    exit_qemu(QemuExitCode::Success);
    loop {}
}

pub fn serial_panic(info: &PanicInfo) -> ! {
    interrupts::disable();
    crate::io::panic_screen::show(info.message());
    let mut stdout = SerialStream::new();
    write!(
        stdout,
        "\nERR\nPanicked execute without -serial for more details\n{}",
        info
    )
    .unwrap();
    exit_qemu(QemuExitCode::Failed);
    loop {}
}

pub fn should_panic(_info: &PanicInfo) -> ! {
    interrupts::disable();
    exit_qemu(QemuExitCode::Success);
    loop {}
}

pub fn panic(info: &PanicInfo) -> ! {
    interrupts::disable();
    crate::io::panic_screen::show(info.message());
    loop {}
}