diff options
Diffstat (limited to 'rust')
| -rw-r--r-- | rust/hw/char/pl011/src/device.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/rust/hw/char/pl011/src/device.rs b/rust/hw/char/pl011/src/device.rs index 92dc295540..5b53f2649f 100644 --- 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; |