Changeset 28399 in vbox for trunk/src/VBox/Devices/Serial

Timestamp:

Apr 16, 2010 8:50:37 AM (15 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

60160

Message:

DevSerial: disabled r59817 as it causes regressions

File:

• trunk/src/VBox/Devices/Serial/DevSerial.cpp (modified) (2 diffs)

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

@@ -274 +274 @@
             s->divider = (s->divider & 0xff00) | val;
             serial_update_parameters(s);
+#if 0 /* disabled because this causes regressions */
         } else if (s->lsr & UART_LSR_THRE) {
             s->thr_ipending = 0;
@@ -287 +288 @@
         } else
             Log(("serial: THR not EMPTY!\n"));
+#else
+        } else {
+            s->thr_ipending = 0;
+            s->lsr &= ~UART_LSR_THRE;
+            serial_update_irq(s);
+            ch = val;
+            if (RT_LIKELY(s->pDrvChar))
+            {
+                Log(("serial_ioport_write: write 0x%X\n", ch));
+                int rc = s->pDrvChar->pfnWrite(s->pDrvChar, &ch, 1);
+                AssertRC(rc);
+            }
+            s->thr_ipending = 1;
+            s->lsr |= UART_LSR_THRE;
+            s->lsr |= UART_LSR_TEMT;
+            serial_update_irq(s);
+        }
+#endif
         break;
     case 1: