rust: pl011: Add missing logging to match C version

Co-developed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Link: https://lore.kernel.org/r/20250615112037.11992-4-shentey@gmail.com
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/rust/hw/char/pl011/src/device.rs b/rust/hw/char/pl011/src/device.rs
index 92dc295540e123388df9fadc4bc9bf0ea8e0e6c5..5b53f2649f161287f40f79075afba47db6d9315c 100644 (file)
--- a/rust/hw/char/pl011/src/device.rs
+++ b/rust/hw/char/pl011/src/device.rs
@@ -305,6 +305,12 @@ impl PL011Registers {
     }
 
     fn write_data_register(&mut self, value: u32) -> bool {
+        if !self.control.enable_uart() {
+            log_mask_ln!(Log::GuestError, "PL011 data written to disabled UART");
+        }
+        if !self.control.enable_transmit() {
+            log_mask_ln!(Log::GuestError, "PL011 data written to disabled TX UART");
+        }
         // interrupts always checked
         let _ = self.loopback_tx(value.into());
         self.int_level |= Interrupt::TX;