forked from M-Labs/artiq-zynq
satman: revert async flag changes
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a30c7d1f3a
commit
0a19f8fb89
@ -81,12 +81,6 @@ fn drtiosat_tsc_loaded() -> bool {
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}
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}
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fn drtiosat_async_ready() {
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unsafe {
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csr::drtiosat::async_messages_ready_write(1);
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}
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}
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#[cfg(has_drtio_routing)]
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macro_rules! forward {
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($routing_table:expr, $destination:expr, $rank:expr, $repeaters:expr, $packet:expr, $timer:expr) => {{
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@ -245,14 +239,6 @@ fn process_aux_packet(
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#[cfg(not(has_drtio_routing))]
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drtioaux::Packet::RoutingSetRank { rank: _ } => drtioaux::send(0, &drtioaux::Packet::RoutingAck),
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drtioaux::Packet::RoutingRetrievePackets => {
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let packet = router
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.get_upstream_packet()
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.or(Some(drtioaux::Packet::RoutingNoPackets))
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.unwrap();
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drtioaux::send(0, &packet)
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}
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drtioaux::Packet::MonitorRequest {
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destination: _destination,
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channel,
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@ -1067,8 +1053,8 @@ pub extern "C" fn main_core0() -> i32 {
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}
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}
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if router.any_upstream_waiting() {
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drtiosat_async_ready();
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if let Some(packet) = router.get_upstream_packet() {
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drtioaux::send(0, &packet).unwrap();
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}
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}
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@ -119,16 +119,11 @@ impl Repeater {
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}
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}
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RepeaterState::Up => {
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self.process_unsolicited_aux();
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self.process_unsolicited_aux(routing_table, rank, destination, router);
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if !rep_link_rx_up(self.repno) {
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info!("[REP#{}] link is down", self.repno);
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self.state = RepeaterState::Down;
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}
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if self.async_messages_ready() {
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if let Err(e) = self.handle_async(routing_table, rank, destination, router, timer) {
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warn!("[REP#{}] Error handling async messages ({:?})", self.repno, e);
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}
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}
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}
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RepeaterState::Failed => {
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if !rep_link_rx_up(self.repno) {
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@ -139,9 +134,15 @@ impl Repeater {
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}
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}
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fn process_unsolicited_aux(&self) {
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fn process_unsolicited_aux(
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&self,
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routing_table: &drtio_routing::RoutingTable,
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rank: u8,
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destination: u8,
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router: &mut Router,
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) {
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match drtioaux::recv(self.auxno) {
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Ok(Some(packet)) => warn!("[REP#{}] unsolicited aux packet: {:?}", self.repno, packet),
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Ok(Some(packet)) => router.route(packet, routing_table, rank, destination),
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Ok(None) => (),
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Err(_) => warn!("[REP#{}] aux packet error", self.repno),
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}
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@ -186,34 +187,6 @@ impl Repeater {
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}
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}
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fn async_messages_ready(&self) -> bool {
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let async_rdy;
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unsafe {
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async_rdy = (csr::DRTIOREP[self.repno as usize].async_messages_ready_read)();
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(csr::DRTIOREP[self.repno as usize].async_messages_ready_write)(0);
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}
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async_rdy == 1
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}
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fn handle_async(
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&self,
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routing_table: &drtio_routing::RoutingTable,
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rank: u8,
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self_destination: u8,
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router: &mut Router,
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timer: &mut GlobalTimer,
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) -> Result<(), drtioaux::Error> {
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loop {
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drtioaux::send(self.auxno, &drtioaux::Packet::RoutingRetrievePackets).unwrap();
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let reply = self.recv_aux_timeout(200, timer)?;
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match reply {
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drtioaux::Packet::RoutingNoPackets => break,
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packet => router.route(packet, routing_table, rank, self_destination),
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}
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}
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Ok(())
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}
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fn recv_aux_timeout(&self, timeout: u32, timer: &mut GlobalTimer) -> Result<drtioaux::Packet, drtioaux::Error> {
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let max_time = timer.get_time() + Milliseconds(timeout.into());
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loop {
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@ -75,7 +75,6 @@ pub struct Router {
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local_queue: VecDeque<drtioaux::Packet>,
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#[cfg(has_drtio_routing)]
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downstream_queue: VecDeque<(usize, drtioaux::Packet)>,
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upstream_notified: bool,
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}
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impl Router {
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@ -85,7 +84,6 @@ impl Router {
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local_queue: VecDeque::new(),
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#[cfg(has_drtio_routing)]
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downstream_queue: VecDeque::new(),
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upstream_notified: false,
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}
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}
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@ -161,22 +159,8 @@ impl Router {
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}
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}
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pub fn any_upstream_waiting(&mut self) -> bool {
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let empty = self.upstream_queue.is_empty();
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if !empty && !self.upstream_notified {
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self.upstream_notified = true; // so upstream will not get spammed with notifications
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true
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} else {
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false
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}
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}
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pub fn get_upstream_packet(&mut self) -> Option<drtioaux::Packet> {
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let packet = self.upstream_queue.pop_front();
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if packet.is_none() {
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self.upstream_notified = false;
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}
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packet
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self.upstream_queue.pop_front()
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}
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#[cfg(has_drtio_routing)]
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