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IRQ-based VirtIOBlk Access. Plz wait for the virtio-drivers crate to be updated.

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This commit is contained in:
Yifan Wu 2022-02-07 14:13:30 -08:00
parent 017758bf2b
commit c6db34e2c7
13 changed files with 258 additions and 22 deletions
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15
os/src/main.rs
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@ -29,9 +29,7 @@ mod task;
mod timer;
mod trap;
use core::arch::global_asm;
global_asm!(include_str!("entry.asm"));
core::arch::global_asm!(include_str!("entry.asm"));
fn clear_bss() {
extern "C" {
@ -44,6 +42,15 @@ fn clear_bss() {
}
}
use lazy_static::*;
use sync::UPSafeCell;
lazy_static! {
pub static ref DEV_NON_BLOCKING_ACCESS: UPSafeCell<bool> = unsafe {
UPSafeCell::new(false)
};
}
#[no_mangle]
pub fn rust_main() -> ! {
clear_bss();
@ -53,8 +60,10 @@ pub fn rust_main() -> ! {
trap::init();
trap::enable_timer_interrupt();
timer::set_next_trigger();
board::device_init();
fs::list_apps();
task::add_initproc();
*DEV_NON_BLOCKING_ACCESS.exclusive_access() = true;
task::run_tasks();
panic!("Unreachable in rust_main!");
}