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Gracefully fail if QEMU does not exit

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This commit is contained in:
pjht 2024-08-06 18:34:34 -05:00
parent fcf672a969
commit dcf82e0b32
Signed by: pjht
GPG Key ID: 7B5F6AFBEC7EE78E
1 changed files with 6 additions and 2 deletions
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8
src/qemu_exit.rs
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@ -1,6 +1,6 @@
use x86_64::instructions::port::Port;
use crate::{kernel_heap::HEAP, physical_memory::PHYSICAL_MEMORY};
use crate::{kernel_heap::HEAP, physical_memory::PHYSICAL_MEMORY, println};
pub fn exit_qemu() -> ! {
PHYSICAL_MEMORY.lock().print_stats();
@ -8,5 +8,9 @@ pub fn exit_qemu() -> ! {
unsafe {
Port::new(0xf4).write(0u32);
}
unreachable!();
println!("Failed to quit QEMU! Disabling interupts and halting CPU!");
x86_64::instructions::interrupts::disable();
loop {
x86_64::instructions::hlt();
}
}