Commit: 5510f30955a75545e699c8d530139d05199e8b22 - qemu (git)

Commit MetaInfo

• Revision: 5510f30955a75545e699c8d530139d05199e8b22 (tree)
• Time: 2019-01-13 22:52:39
• Author: Yoshinori Sato <ysato@user...>
• Commiter: Yoshinori Sato

Log Message

SCI interrupt fix

Change Summary

• modified: hw/char/renesas_sci.c

Incremental Difference

--- a/hw/char/renesas_sci.c
+++ b/hw/char/renesas_sci.c
@@ -62,8 +62,8 @@ static void send_byte(RSCIState *sci)
 static void txend(void *opaque)
 {
     RSCIState *sci= RSCI(opaque);
-    if (sci->scr & 0x80 && (sci->ssr & 0x80) == 0)
-            send_byte(sci);
+    if ((sci->ssr & 0x80) == 0)
+        send_byte(sci);
     else {
         sci->ssr |= 0x04;
         if (sci->scr & 0x04)
@@ -104,8 +104,11 @@ static void sci_write(void *opaque, hwaddr addr, uint64_t val, unsigned size)
         break;
     case 2: /* SCR */
         sci->scr = val;
-        if ((sci->scr & 0x20) == 0)
+        if (sci->scr & 0x20) {
             sci->ssr |= 0x84;
+            qemu_set_irq(sci->irq[TXI], 1);
+            qemu_set_irq(sci->irq[TXI], 0);
+        }
         if ((sci->scr & 0x04) == 0)
             qemu_set_irq(sci->irq[TEI], 0);
         if ((sci->scr & 0x40) == 0)