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base: M-Labs:e7614d2e8e9739fd81305f688d27c49e9e7b54d8
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M-Labs:release-7
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compare: M-Labs:ccd3bf300351bca480a02427da3f1c378fe51724
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No commits in common. "e7614d2e8e9739fd81305f688d27c49e9e7b54d8" and "ccd3bf300351bca480a02427da3f1c378fe51724" have entirely different histories.
e7614d2e8e ... ccd3bf3003

2 changed files with 62 additions and 65 deletions
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112
src/runtime/src/comms.rs
View File

@ -696,6 +696,27 @@ async fn handle_connection(
}
}
async fn load_and_run_idle_kernel(
buffer: &Vec<u8>,
control: &Rc<RefCell<kernel::Control>>,
up_destinations: &Rc<RefCell<[bool; drtio_routing::DEST_COUNT]>>,
aux_mutex: &Rc<Mutex<bool>>,
routing_table: &drtio_routing::RoutingTable,
timer: GlobalTimer,
) {
info!("Loading idle kernel");
let res = handle_flash_kernel(buffer, control, up_destinations, aux_mutex, routing_table, timer).await;
match res {
Err(_) => warn!("error loading idle kernel"),
_ => (),
}
info!("Running idle kernel");
let _ = handle_run_kernel(None, control, up_destinations, aux_mutex, routing_table, timer)
.await
.map_err(|_| warn!("error running idle kernel"));
info!("Idle kernel terminated");
}
pub fn main(timer: GlobalTimer, cfg: Config) {
let net_addresses = net_settings::get_addresses(&cfg);
info!("network addresses: {}", net_addresses);
@ -756,6 +777,7 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
moninj::start(timer, &aux_mutex, &drtio_routing_table);
let control: Rc<RefCell<kernel::Control>> = Rc::new(RefCell::new(kernel::Control::start()));
let idle_kernel = Rc::new(cfg.read("idle_kernel").ok());
if let Ok(buffer) = cfg.read("startup_kernel") {
info!("Loading startup kernel...");
let routing_table = drtio_routing_table.borrow();
@ -781,27 +803,36 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
error!("Error loading startup kernel!");
}
}
let cfg = Rc::new(cfg);
let restart_idle = Rc::new(Semaphore::new(1, 1));
mgmt::start(cfg.clone(), restart_idle.clone());
mgmt::start(cfg);
task::spawn(async move {
let connection = Rc::new(Semaphore::new(1, 1));
let connection = Rc::new(Semaphore::new(0, 1));
let terminate = Rc::new(Semaphore::new(0, 1));
let can_restart_idle = Rc::new(Semaphore::new(1, 1));
let restart_idle = restart_idle.clone();
loop {
{
let control = control.clone();
let mut maybe_stream = select_biased! {
s = (async {
TcpStream::accept(1381, 0x10_000, 0x10_000).await.unwrap()
}).fuse() => Some(s),
_ = (async {
restart_idle.async_wait().await;
can_restart_idle.async_wait().await;
}).fuse() => None
};
let idle_kernel = idle_kernel.clone();
let connection = connection.clone();
let terminate = terminate.clone();
let up_destinations = up_destinations.clone();
let aux_mutex = aux_mutex.clone();
let routing_table = drtio_routing_table.clone();
task::spawn(async move {
let routing_table = routing_table.borrow();
select_biased! {
_ = (async {
if let Some(buffer) = &*idle_kernel {
load_and_run_idle_kernel(&buffer, &control, &up_destinations, &aux_mutex, &routing_table, timer).await;
}
}).fuse() => (),
_ = terminate.async_wait().fuse() => ()
}
connection.signal();
});
}
loop {
let mut stream = TcpStream::accept(1381, 0x10_000, 0x10_000).await.unwrap();
if connection.try_wait().is_none() {
// there is an existing connection
@ -809,58 +840,32 @@ pub fn main(timer: GlobalTimer, cfg: Config) {
connection.async_wait().await;
}
let maybe_idle_kernel = cfg.read("idle_kernel").ok();
if maybe_idle_kernel.is_none() && maybe_stream.is_none() {
control.borrow_mut().restart(); // terminate idle kernel if running
}
let control = control.clone();
let idle_kernel = idle_kernel.clone();
let connection = connection.clone();
let terminate = terminate.clone();
let can_restart_idle = can_restart_idle.clone();
let up_destinations = up_destinations.clone();
let aux_mutex = aux_mutex.clone();
let routing_table = drtio_routing_table.clone();
// we make sure the value of terminate is 0 before we start
let _ = terminate.try_wait();
let _ = can_restart_idle.try_wait();
task::spawn(async move {
let routing_table = routing_table.borrow();
select_biased! {
_ = (async {
if let Some(stream) = &mut maybe_stream {
let _ = handle_connection(stream, control.clone(), &up_destinations, &aux_mutex, &routing_table, timer)
.await
.map_err(|e| warn!("connection terminated: {}", e));
}
can_restart_idle.signal();
match maybe_idle_kernel {
Some(buffer) => {
loop {
info!("loading idle kernel");
match handle_flash_kernel(&buffer, &control, &up_destinations, &aux_mutex, &routing_table, timer).await {
Ok(_) => {
info!("running idle kernel");
match handle_run_kernel(None, &control, &up_destinations, &aux_mutex, &routing_table, timer).await {
Ok(_) => info!("idle kernel finished"),
Err(_) => warn!("idle kernel running error")
}
},
Err(_) => warn!("idle kernel loading error")
}
}
},
None => info!("no idle kernel found")
let _ = handle_connection(&mut stream, control.clone(), &up_destinations, &aux_mutex, &routing_table, timer)
.await
.map_err(|e| warn!("connection terminated: {}", e));
if let Some(buffer) = &*idle_kernel {
load_and_run_idle_kernel(&buffer, &control, &up_destinations, &aux_mutex, &routing_table, timer).await;
}
}).fuse() => (),
_ = terminate.async_wait().fuse() => ()
}
connection.signal();
if let Some(stream) = maybe_stream {
let _ = stream.flush().await;
let _ = stream.abort().await;
}
let _ = stream.flush().await;
let _ = stream.abort().await;
});
}
});
@ -908,9 +913,8 @@ pub fn soft_panic_main(timer: GlobalTimer, cfg: Config) -> ! {
};
Sockets::init(32);
let dummy = Rc::new(Semaphore::new(0, 1));
mgmt::start(Rc::new(cfg), dummy);
mgmt::start(cfg);
// getting eth settings disables the LED as it resets GPIO
// need to re-enable it here

15
src/runtime/src/mgmt.rs
View File

@ -6,7 +6,6 @@ use libasync::{smoltcp::TcpStream, task};
use libboard_artiq::logger::{BufferLogger, LogBufferRef};
use libboard_zynq::{slcr, smoltcp};
use libconfig::Config;
use libcortex_a9::semaphore::Semaphore;
use log::{self, debug, error, info, warn, LevelFilter};
use num_derive::FromPrimitive;
use num_traits::FromPrimitive;
@ -112,7 +111,7 @@ async fn read_key(stream: &mut TcpStream) -> Result<String> {
Ok(String::from_utf8(buffer).unwrap())
}
async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cfg: Rc<Config>, restart_idle: Rc<Semaphore>) -> Result<()> {
async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cfg: Rc<Config>) -> Result<()> {
if !expect(&stream, b"ARTIQ management\n").await? {
return Err(Error::UnexpectedPattern);
}
@ -201,9 +200,6 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
let value = cfg.write(&key, buffer);
if value.is_ok() {
debug!("write success");
if key == "idle_kernel" {
restart_idle.signal();
}
write_i8(stream, Reply::Success as i8).await?;
} else {
// this is an error because we do not expect write to fail
@ -217,9 +213,6 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
let value = cfg.remove(&key);
if value.is_ok() {
debug!("erase success");
if key == "idle_kernel" {
restart_idle.signal();
}
write_i8(stream, Reply::Success as i8).await?;
} else {
warn!("erase failed");
@ -236,17 +229,17 @@ async fn handle_connection(stream: &mut TcpStream, pull_id: Rc<RefCell<u32>>, cf
}
}
pub fn start(cfg: Rc<Config>, restart_idle: Rc<Semaphore>) {
pub fn start(cfg: Config) {
task::spawn(async move {
let pull_id = Rc::new(RefCell::new(0u32));
let cfg = Rc::new(cfg);
loop {
let mut stream = TcpStream::accept(1380, 2048, 2048).await.unwrap();
let pull_id = pull_id.clone();
let cfg = cfg.clone();
let restart_idle = restart_idle.clone();
task::spawn(async move {
info!("received connection");
let _ = handle_connection(&mut stream, pull_id, cfg, restart_idle)
let _ = handle_connection(&mut stream, pull_id, cfg)
.await
.map_err(|e| warn!("connection terminated: {:?}", e));
let _ = stream.flush().await;