Tateisi/rcore-tutorial
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Still a lot of bugs :(

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This commit is contained in:
Yifan Wu 2022-03-04 09:02:32 -08:00
parent 704eae3bb0
commit 26f44233f6
27 changed files with 308 additions and 95 deletions
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3
os/src/boards/qemu.rs
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@ -44,12 +44,15 @@ pub fn device_init() {
}
pub fn irq_handler() {
//crate::println!("->irq_handler");
let mut plic = unsafe { PLIC::new(VIRT_PLIC) };
let intr_src_id = plic.claim(0, IntrTargetPriority::Supervisor);
//crate::println!("intr_src={}", intr_src_id);
match intr_src_id {
1 => BLOCK_DEVICE.handle_irq(),
10 => UART.handle_irq(),
_ => panic!("unsupported IRQ {}", intr_src_id),
}
plic.complete(0, IntrTargetPriority::Supervisor, intr_src_id);
//crate::println!("irq_handler->");
}