Changeset 75314 in vbox for trunk/src/VBox

Timestamp:

Nov 7, 2018 6:58:50 PM (6 years ago)

Author:

vboxsync

Message:

Devices/Serial/UartCore: Fix interrupt generation for the transmit holding register empty case, only fire the interrupt if the generation is enabled in the IER register

File:

• trunk/src/VBox/Devices/Serial/UartCore.cpp (modified) (1 diff)

trunk/src/VBox/Devices/Serial/UartCore.cpp

@@ -304 +304 @@
                  || pThis->FifoRecv.cbUsed >= pThis->FifoRecv.cbItl))
         uRegIirNew = UART_REG_IIR_ID_SET(UART_REG_IIR_ID_RDA);
-    else if (   (pThis->uRegLsr & UART_REG_LSR_THRE)
+    else if (   (pThis->uRegIer & UART_REG_IER_ETBEI)
              && pThis->fThreEmptyPending)
         uRegIirNew = UART_REG_IIR_ID_SET(UART_REG_IIR_ID_THRE);