Ignore null bytes from pl011 uart

2022-08-25 20:10:35 -06:00
parent 6a3fc5a68a
commit fb1bdf7c3e
1 changed files with 4 additions and 1 deletions
--- a/src/arch/aarch64/device/uart_pl011.rs
+++ b/src/arch/aarch64/device/uart_pl011.rs
@@ -136,7 +136,10 @@ impl SerialPort {

    pub fn receive(&mut self) {
        while self.line_sts().contains(UartFrFlags::RXFF) {
-            debug_input(self.read_reg(self.data_reg) as u8);
+            let c = self.read_reg(self.data_reg) as u8;
+            if c != 0 {
+                debug_input(c);
+            }
        }
        debug_notify();
    }